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Maxlinear Inc patents


Recent patent applications related to Maxlinear Inc. Maxlinear Inc is listed as an Agent/Assignee. Note: Maxlinear Inc may have other listings under different names/spellings. We're not affiliated with Maxlinear Inc, we're just tracking patents.

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Method and system for optimizing bandwidth utilization in an in-home network

Methods and systems for optimizing bandwidth utilization in an in-home network may comprise determining usage and/or quality of communication links operating in accordance with first and second communication protocols in a multi-protocol wired and wireless network. Data communication may be routed from a first communication link operating in accordance with the first communication protocol to a second communication link operating in accordance with the second communication protocol, based on the determining. ... Maxlinear Inc

Digital-to-analog converter (dac) with enhanced dynamic element matching (dem) and calibration

Systems and methods are provided for managing dynamic element matching (dem) in digital-to-analog converters (dacs). One or more parameters associated with the dac and/or a signal being converted via the dac; and based on the one or more parameters, conditions affecting dynamic element matching in the dac may be assessed. ... Maxlinear Inc

Channel bonding for ultra-high definition video background

Systems and methods are provided for communication ultra-high definition (uhd) video. At the transmitter-side, a single packet stream that includes packets corresponding to a plurality of encoded content streams may be generated, and the single packet stream may be split into a plurality of sub-streams. ... Maxlinear Inc

Multi-zone data converters

Aspects of a method and system for data converters having a transfer function with multiple operating zones. In some embodiments, an operating zone of the multiple operating zones is characterized by more stringent performance criteria than the other operating zones. ... Maxlinear Inc

Clocking scheme in nonlinear systems for distortion improvement

Systems and methods are provided for clocking scheme to reduce nonlinear distortion. An example system may comprise at least two processing paths, each comprising at least one circuit exhibiting nonlinear behavior. ... Maxlinear Inc

Method and system for electro-absorption modulator drivers in cmos

Methods and systems for electro-absorption modulator drivers in cmos may comprise an electro-absorption modulator optically coupled to a laser source and electrically coupled to a modulator driver circuit that is in a complementary metal oxide semiconductor (cmos) chip. The electro-absorption modulator includes a summer for receiving a negative bias voltage and a programmable offset voltage, a voltage regulator for receiving the output of the summer and generating a negative dc voltage of lower magnitude than the negative bias voltage, level shifting circuitry for shifting a received data signal to a dc voltage level between the negative dc voltage from the voltage regulator and the negative bias voltage, and an electrical coupling structure for dc-coupling the level shifted data signal to the modulator. ... Maxlinear Inc

Method and system for a low-power client in a wide area network

A network device coupled to a network may be operable to receive an indication from the network that media access control (mac) management messages will be transmitted by the network at fixed intervals. Subsequent to receiving the indication, the network device may be operable to power down one or more components of the network device and set a sleep timer to a value equal to an integer multiple of the fixed interval minus a transition period. ... Maxlinear Inc

Configurable, highly-integrated satellite receiver

A direct broadcast satellite (dbs) reception assembly may comprise an integrated circuit that is configurable between or among a plurality of configurations based on content requested by client devices served by the dbs reception assembly. In a first configuration, multiple satellite frequency bands may be digitized by the integrated circuit as a single wideband signal. ... Maxlinear Inc

Satellite reception assembly installation and maintenance

A direct broadcast satellite (dbs) reception assembly may receive a desired satellite signal and process the desired satellite signal for output to a gateway. The dbs assembly may also receive one or more undesired satellite signals and determine a performance metric of the one or more undesired satellite signals. ... Maxlinear Inc

Digital-to-analog converter system and method

An interleaved radio frequency digital-to-analog converter (rf dac) suitable for use in cellular base stations and optimized to give both a wide rf tuning range and a wide rf bandwidth is disclosed. The rf dac uses two levels of interleaving, the first providing a direct conversion path from base band (bb) to rf, and the second providing a variable interleaving factor through the use of summation to optimize the output bandwidth as a function of the rf center frequency. ... Maxlinear Inc

Method and system for a sampled loop filter in a phase locked loop (pll)

Methods and systems for a sampled loop filter in a phase locked loop (pll) may comprise a phase locked loop (pll) comprising a phase frequency detector, a sampled loop filter comprising a plurality of capacitors and at least one switch, a plurality of voltage controlled oscillators (vcos) coupled to said sampled loop filter, and a frequency divider. The pll generates at least one clock signal, and the sampled loop filter samples an output signal from the phase frequency detector when an average of charge provided to a first of the plurality of capacitors in the sampled loop filter is zero. ... Maxlinear Inc

Method and system for a high capacity cable network

A cable modem termination system (cmts) may communicate with a plurality of cable modems using a plurality of orthogonal frequency division multiplexed (ofdm) subcarriers. The cmts may determine a performance metric of each of the cable modems. ... Maxlinear Inc

Modular microwave backhaul outdoor unit

A microwave backhaul system may comprise a monolithic integrated circuit comprising an on-chip transceiver, digital baseband processing circuitry, and auxiliary interface circuitry. The on-chip transceiver may process a microwave signal from an antenna element to generate a first pair of quadrature baseband signals and convey the first pair of phase-quadrature baseband signals to the digital baseband processing circuitry. ... Maxlinear Inc

Interference cancellation in microwave backhaul systems

A first microwave backhaul assembly comprises a first antenna, a front-end circuit, an inter-backhaul-assembly interface circuit, and an interference cancellation circuit. The first antenna is operable to receive a first microwave signal. ... Maxlinear Inc

06/21/18 / #20180176060

Peak to average power ratio suppression

A transmitter comprises a first peak-to-average-power ratio (papr) suppression circuit and a second peak-to-average-power ratio (papr) suppression circuit. The first papr suppression circuit may receive a first sequence of time-domain symbols to be transmitted, alter the first sequence based on each of a plurality of symbol ordering and/or inversion descriptors to generate a corresponding plurality of second sequences of time-domain symbols, measure a papr corresponding to each of the second sequences, select one of the plurality of symbol ordering and/or inversion descriptors based on the measurement of papr, and convey the selected one of the symbol ordering and/or inversion descriptors to the second papr suppression circuit. ... Maxlinear Inc

06/21/18 / #20180175921

Method and system for hybrid radio frequency digital beamforming

Methods and systems for hybrid radio frequency digital beamforming may include, in an electronic device comprising an antenna array including antennas arranged along first and second directions, beamforming signals in an analog domain along the first direction of the antenna array and in a digital domain along the second direction of the antenna array. The antenna array may include subsets of antennas, where each subset has a system-on-chip (soc) with analog and digital beamforming circuitry. ... Maxlinear Inc

06/14/18 / #20180167791

Method and system for broadband near-field communication utilizing full spectrum capture (fsc) supporting screen and application sharing

A wireless communication device (wcd) establishes an ad-hoc communication link with a second wcd within operating range. A replica of at least a portion of a display of the first wcd may be shared with the second wcd utilizing wireless broadband signals that are communicated via the established one or more ad-hoc communication links. ... Maxlinear Inc

06/14/18 / #20180167106

Method and system for providing an antenna that is optimized for near-field-communication (nfc) and reduces the effect of far-field-communication (ffc)

Methods and systems are provided for aligning devices separated by physical barriers. A first electronic device may be paired with a second electronic device, with the first electronic device and the second electronic device being on opposite sides of a physical barrier. ... Maxlinear Inc

06/07/18 / #20180160320

Digital full duplex over single channel solution for small cell backhaul applications

To provide for higher data rates, a wireless back haul network for connecting small cell base stations to a core network can be implemented using full-duplex over single channel communications. The difficulty with full-duplex over single channel communications, and the reason why it has not become common place in wireless and mobile communication standards to date, is the significant interference that the receiver of a full-duplex communication device will generally experience from the full-duplex communication device's own transmitter transmitting over the same channel that the receiver is to receive signals. ... Maxlinear Inc

06/07/18 / #20180160317

Autoconfigured backhaul transceiver

A microwave transceiver comprises a plurality of antenna arrays, each of which is oriented in a different direction, and circuitry operable to automatically select which of the antenna arrays to use for establishing a microwave backhaul link with a link partner. The circuitry may comprise a plurality of front-ends, each of which may be operable to perform beamforming of signals transmitted and received via a respective one of the antenna arrays. ... Maxlinear Inc

06/07/18 / #20180160202

Advanced fiber node

Circuitry of a hybrid fiber-coaxial network may comprise a first transceiver configured to connect the circuitry to an optical link, a second transceiver configured to connect the circuitry to an electrical link, a first processing path, a second processing path, and a switching circuit. In a first configuration, the switching circuit may couple the first transceiver to the second transceiver via the first processing path. ... Maxlinear Inc

06/07/18 / #20180159573

Method and system for a configurable low-noise amplifier with programmable band-selection filters

Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (lna) with first and second input terminals and differential output terminals; a low pass filter operably coupled to the lna; a high pass filter operably coupled to the second input terminal of the lna; and a signal source input coupled to the low pass filter and the high pass filter. The lna may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. ... Maxlinear Inc

06/07/18 / #20180159572

Method and system for a configurable low-noise amplifier with programmable band-selection filters

Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (lna) with first and second input terminals and differential output terminals; a low pass filter operably coupled to the lna; a high pass filter operably coupled to the second input terminal of the lna; and a signal source input coupled to the low pass filter and the high pass filter. The lna may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. ... Maxlinear Inc

06/07/18 / #20180159571

System and method for frequency reuse for wireless point-to-point backhaul

A system and method for frequency reuse for wireless point-to-point backhaul. Frequency reuse is enabled through the cancellation of interfering signals generated by interference sources. ... Maxlinear Inc

06/07/18 / #20180159554

Low-power low density parity check decoding

In an example implementation of this disclosure, a message passing low density parity check (ldpc) decoder may, during decoding of a first group of bits, lock a first variable node upon a bit-value probability of the first variable node reaching a determined threshold, and lock a first check node upon all variable nodes connected to the first check node being locked. The ldpc decoder may cease decoding the first group of bits upon all variable nodes of the ldpc decoder being locked, all check nodes of the ldpc decoder being locked, reaching a maximum number of iterations, or reaching a timeout. ... Maxlinear Inc

06/07/18 / #20180159470

Crystal (xtal) oscillator with high interference immunity

Systems and methods are provided for generating reference signals with high interference immunity. A signal source may generate reference signals having a particular reference frequency based on characteristics of the source of the reference signals, for use in driving at least one component in a system. ... Maxlinear Inc

06/07/18 / #20180157607

Method and system for buffer state based low power operation in a moca network

A first device of a multimedia over coax alliance (moca) network may communicate with a second device of the moca network to control power-save operation of the second moca device. The first device may control the power-save operation of the second moca device based on an amount of data stored in a buffer, wherein the data stored in the buffer is destined for the second device. ... Maxlinear Inc

05/31/18 / #20180152265

Method and system for improved cross polarization rejection and tolerating coupling between satellite signals

Methods and systems for improved cross polarization rejection and tolerating of coupling between satellite signals may comprise receiving radio frequency (rf) signals on a chip, where the rf signals comprising a desired signal and at least one crosstalk signal. The received rf signals may be down-converted to baseband frequencies, and the down-converted signals are converted to digital signals. ... Maxlinear Inc

05/31/18 / #20180151202

Method and apparatus for memory power and/or area reduction

A method and apparatus for memory power and/or area reduction. An array of memory cells may be scanned to detect faulty memory cells, if any, in the array. ... Maxlinear Inc

05/24/18 / #20180145727

Devices and methods for power consumption control in powerline communications systems and apparatus

Systems and methods are provided for optimizing power consumption for power line communication (plc). An example system may include a coupler that connects the system to a power line; an analog front end (afe) for handling communications over the power line via the coupler; and a processor for controlling power consumption of the afe. ... Maxlinear Inc

05/17/18 / #20180138943

Communication system for telephone line access with crosstalk stability

Methods and systems are provided for telephone line access with crosstalk stability. A transceiver device coupled to a telephone line, bundled with other telephone lines in a telephone cable, may determine when another transceiver device connected to the telephone cable is estimating signal to noise ratio on another telephone line in the telephone cable, and may control communications over on the telephone line, the controlling including forcing a transmission on the telephone line based on the estimation of signal to noise ratio by the other transceiver device. ... Maxlinear Inc

05/17/18 / #20180138912

Method and apparatus for controlling mismatch in a voltage controlled oscillator array

Methods and systems are provided for adaptively configuring voltage-controlled oscillator (vco) arrays, such as to reduce mismatches among the vcos. A plurality of voltage-controlled oscillators (vcos), connected in parallel to a common control input, and with each vco outputting an oscillating signal based on the common control input and an adjustment input, may be configured to reduce mismatches among the vcos. ... Maxlinear Inc

05/10/18 / #20180131567

Method and system for service group management in a cable network

A cable modem termination system (cmts) may determine, for a plurality of cable modems served by the cmts, a corresponding plurality of snr-related metrics. The cmts may assigning the modems among a plurality of service groups based on the snr-related metrics. ... Maxlinear Inc

05/03/18 / #20180124116

Method and apparatus for moca network with protected set-up

Systems and methods are disclosed for securing a network, for admitting new nodes into an existing network, and/or for securely forming a new network. As a non-limiting example, an existing node may be triggered by a user, in response to which the existing node communicates with a network coordinator node. ... Maxlinear Inc

04/19/18 / #20180109341

Method and system for a distributed receiver

A first semiconductor die may comprise an interface circuit and a demodulation circuit. The interface circuit may be operable to receive an externally generated signal and recover decisions of a symbol de-mapper carried in the externally generated signal. ... Maxlinear Inc

04/12/18 / #20180102925

Dynamically calibrated pre-distortion

Systems and methods are provided for adaptive control of pre-distortion during signal transmissions. While applying pre-distortion during processing of an input signal for transmission, feedback data may be generated based on a plurality of feedback signals, and adjustments to the pre-distortion may be applied to the pre-distortion based on the feedback data. ... Maxlinear Inc

04/12/18 / #20180102893

Microwave backhaul system having quadruple capacity

A microwave backhaul system having quadruple capacity. In one embodiment, an outdoor communication unit in a microwave backhaul system is provided, which includes a first and second dual channel processing modules that are each configured to process two transmission/reception channels. ... Maxlinear Inc

04/12/18 / #20180102855

Adaptive symbol mapping modulation

The continuous demand for capacity and the limited available spectrum in wireless and wired communication has led to reliance on advanced modulation techniques to dramatically increase the number of bits per hertz per second. This demand in capacity and using the higher order constellations shorten the link range, and as a result, system gain becomes an important characteristic. ... Maxlinear Inc

04/12/18 / #20180102833

Method and system for caching content for mobile distribution

Methods and systems are provided for local mobile content distribution. A satellite signal may be received and processed, to recover data carried in the satellite signal. ... Maxlinear Inc

04/12/18 / #20180102784

Method and system for gain control for time-interleaved analog-to-digital convertor (adc)

Methods and systems are provided for gain control during communications. A first electronic device may communicated data to a second electronic device; may monitor conditions and/or parameters affecting estimated reception performance at the second electronic device; and may communicated to the second electronic device, via a connection separate from and different than a connection used in communicating the data, information relating to the monitored conditions, to enable adjusting functions relating to reception of the data at the second electronic device. ... Maxlinear Inc

04/12/18 / #20180102780

Reference-frequency-insensitive phase locked loop

A phase locked loop may be operable to generate, utilizing a frequency multiplier, a reference clock signal whose frequency is an integer m times a frequency of a crystal clock signal and is keyed on both rising and falling edges of the crystal clock signal. The phase locked loop may enable usage of both rising and falling edges of the crystal clock signal, based on the reference clock signal. ... Maxlinear Inc

04/12/18 / #20180102778

System, method and apparatus for phase hits and microphonics cancellation

A system and method for system, method and apparatus for phase hits and microphonics cancellation. In addition to a first rf synthesizer source, a device also includes a second stable reference signal source that operates at a lower frequency as compared to the rf synthesizer source. ... Maxlinear Inc

04/12/18 / #20180102777

Detection and compensation of dielectric resonator oscillator frequency drift

Systems and methods are provided for detection and compensation of frequency drifts. Frequency related information may be determined for each of one or more channels in an input signal, and a frequency drift may be determined based on the determined frequency related information of the one or more channels. ... Maxlinear Inc

04/05/18 / #20180097666

Wireless backhaul

In the subject system, a receiver includes a feed forward circuit, a phase recovery circuit, and a feedback circuit. The feed forward circuit compensates for near reflections and provides an input to the phase recovery circuit and the feedback circuit. ... Maxlinear Inc

04/05/18 / #20180097524

Digital-to-analog converter (dac) with enhanced dynamic element matching (dem) and calibration

Systems and methods are provided for digital-to-analog converters (dacs) with enhanced dynamic element matching (dem) and calibration. Dem may be adapted based on assessment of one or more conditions that may affect the dacs or dem functions thereof. ... Maxlinear Inc

03/29/18 / #20180091933

Method and system for map generation for location and navigation with user sharing/social networking

Methods and systems for map generation for location and navigation with user sharing/social networking may comprise determining a position of a wireless communication device (wcd) and capturing images of the surroundings of the wcd. Data associated with objects in the surroundings of said wireless communication device may be extracted from the captured images, positions of the objects may be determined, and the determined positions and the data may then be uploaded to a database. ... Maxlinear Inc

03/29/18 / #20180091166

Radio frequency flash adc circuits

A system and method for sampling an rf signal are described. The system comprises a plurality of capacitors, a plurality of resistors, and a sampling circuit. ... Maxlinear Inc

03/29/18 / #20180091164

Localized dynamic element matching and dynamic noise scaling in digital-to-analog converters (dacs)

Methods and systems are provided for using localized dynamic element matching (dem) and/or dynamic noise scaling (dns) in digital-to-analog converters (dacs). Adaptive (localized) dem may be applied in a dac, by selecting one or more of a plurality dac elements in the dac, forcing the selected one or more of the plurality of dac elements not to switch during digital-to-analog conversions, and scrambling remaining one or more of plurality of dac elements when generating an output of the dac. ... Maxlinear Inc

03/29/18 / #20180091104

Method and system for a pseudo-differential low-noise amplifier at ku-band

Methods and systems for a pseudo-differential low-noise amplifier at ku-band may comprise a low-noise amplifier (lna) integrated on a semiconductor die, where the lna includes first and second differential pair transistors with an embedded inductor tail integrated on the semiconductor die. The embedded inductor tail may include: a first inductor with a first terminal capacitively-coupled to a gate terminal of the first differential pair transistor and a second terminal of the first inductor coupled to second, third, and fourth inductors. ... Maxlinear Inc

03/15/18 / #20180077656

Method and apparatus for determining moca beacon transmit power

Systems and methods for efficiently establishing beacon transmission power, for example in networks in which beacon transmission responsibility can be passed between nodes. As a non-limiting example, various aspects of the present disclosure provide systems and methods for establishing beacon transmission power in a node that has received beacon transmission responsibility in a network, for example by hand-off, failover, etc.. ... Maxlinear Inc

03/08/18 / #20180069620

Transceiver array synchronization

Aspects of methods and systems for transceiver array synchronization are provided. An array based communications system comprises a plurality of transceiver circuits and an array coordinator. ... Maxlinear Inc

03/08/18 / #20180069562

Method and system for time interleaved analog-to-digital converter timing mismatch estimation and compensation

Methods and systems for time interleaved analog-to-digital converter timing mismatch calibration and compensation may include receiving an analog signal on a chip, converting the analog signal to a digital signal utilizing a time interleaved analog-to-digital-converter (adc), and reducing a blocker signal that is generated by timing offsets in the time interleaved adc by estimating complex coupling coefficients between a desired digital output signal and the blocker signal utilizing a decorrelation algorithm on frequencies within a desired frequency bandwidth. The decorrelation algorithm may comprise a symmetric adaptive decorrelation algorithm. ... Maxlinear Inc

03/08/18 / #20180069512

Dynamic biasing of power amplifiers

Systems and methods are provided for dynamically biasing power amplifiers. In particular, dynamic biasing of a power amplifier may be controlled, with the controlling comprising receiving an input signal that is to be amplified; processing the input signal; generating based on said processing of the input signal input signal, a plurality of control signals comprising at least one biasing control signal; and applying the plurality of control signals to one or more control elements that are used in driving and/or control of the power amplifier. ... Maxlinear Inc

03/01/18 / #20180063570

Wideband tuner architecture

A wideband receiver system comprises a wideband analog-to-digital converter (adc) module and a digital frontend (dfe) module. The wideband adc is configured to concurrently digitize a band of frequencies comprising a plurality of desired channels and a plurality of undesired channels. ... Maxlinear Inc

03/01/18 / #20180062736

Method and system for monitoring, management and maintenance of an internet protocol lnb

Methods and systems for monitoring and maintenance of satellite dish assemblies. In a satellite dish assembly, baseline settings of the satellite dish assembly may be determined, and then current settings of the satellite dish assembly may be monitored, to identify deviations from the baseline settings. ... Maxlinear Inc

03/01/18 / #20180062663

Digital-to-analog converter (dac) with partial constant switching

Systems and methods are provided for adaptive configuration and control of digital-to-analog converters (dacs). Performance of a plurality of conversion elements in a digital-to-analog converter (dac) may be assessed based on particular input conditions associated with a digital input to the dac, and the dac may be configured based on the assessing of performance. ... Maxlinear Inc

02/22/18 / #20180054368

Method and apparatus for spectrum monitoring

A receiver is configured to be coupled to a television and data service provider headend via a hybrid fiber coaxial (hfc) network. The receiver comprises front-end circuitry operable to receive a signal that carries a plurality of television and/or data channels, and digitize the received signal to generate a digitized signal. ... Maxlinear Inc

02/22/18 / #20180054211

Successive approximation analog-to-digital converter (adc) with dynamic search algorithm

Aspects of a method and system for a successive approximation analog-to-digital converter with dynamic search algorithms are provided. In some embodiments, a successive approximation analog-to-digital converter includes a digital-to-analog converter, a comparator, and a search and decode logic modules which cooperate to generate a digital output code representative of the analog input voltage based on a dynamic search algorithm. ... Maxlinear Inc

02/15/18 / #20180048456

Using decision feedback phase error correction

Methods and systems are provided for using error related feedback during signal processing. During handling of an input signal, each of a plurality of sub-carriers in the input signal is processed, and error-related information for each one of the plurality of sub-carriers is determined based on the processing. ... Maxlinear Inc

02/15/18 / #20180048381

Method and system for guard band detection and frequency offset detection

Methods and systems are provided for guard band detection and frequency offset detection. For each of a plurality of downconverted signals, frequency related information associated with one or more corresponding circuits used in obtaining the plurality of downconverted signals may be determined; and based on the determined frequency related information, one or both of a band stacking operation and a channel stacking operation may be performed. ... Maxlinear Inc

02/15/18 / #20180048301

Method and system for reliable bootstrapping switches

Methods and systems for reliable bootstrapping switches may comprise sampling a received signal with a bootstrapping switch, where the bootstrapping switch comprises a switching metal-oxide semiconductor (mos) transistor having a pull-down path coupled to a gate terminal of the switching mos transistor, wherein: source terminals of both a diode-connected transistor and a second mos transistor are coupled to the gate terminal of the switching mos transistor; drain terminals of both the diode-connected transistor and the second mos transistor are coupled to a source terminal of a third mos transistor, the third mos transistor coupled in series with a fourth mos transistor; and a drain terminal of the fourth mos transistor is coupled to ground. The third and fourth mos transistors may be in series with the second mos transistor. ... Maxlinear Inc

02/08/18 / #20180041915

Method and system for optimizing bandwidth utilization in an in-home network

Methods and systems for optimizing bandwidth utilization in an in-home network may comprise determining usage and/or quality of communication links operating in accordance with first and second communication protocols in a multi-protocol wired and wireless network. Data communication may be routed from a first communication link operating in accordance with the first communication protocol to a second communication link operating in accordance with the second communication protocol, based on the determining. ... Maxlinear Inc

02/08/18 / #20180041370

Methods and apparatus for synchronization in multiple-channel communication systems

Methods and apparatus for processing multichannel signals in a multichannel receiver are described. In one implementation, a plurality of demodulators may provide a plurality of outputs to a processor, with the processor then simultaneously estimating noise characteristics based on the plurality of outputs and generating a common noise estimate based on the plurality of outputs. ... Maxlinear Inc

02/08/18 / #20180041251

Method and system for broadband near-field communication

A first mobile consumer electronic device comprises a broadband near-field communications (bnc) transceiver and is configured to operate as a main processing unit for a second mobile consumer electronic device that is configured as a thin-client. The first mobile consumer electronic device may capture, via the bnc transceiver, a signal over a range of frequencies that spans multiple frequency bands which are licensed by a regulatory authority. ... Maxlinear Inc

02/08/18 / #20180041219

Method and system for broadband analog to digital converter technology

Nonlinearity correction in a device that performs analog-to-digital conversion on received analog signals, may be calibrated by generating correction-parameters estimation which when applied to the total spectral content reduces distortion resulting from said nonlinearity in originally-unoccupied spectral regions. Digital signals generated based on sampling of the received analog signals may then be corrected, to remove nonlinearity related distortion, based on the estimated correction-parameters. ... Maxlinear Inc

02/01/18 / #20180035333

Method and system for providing reduced bandwidth acquisition latency

Methods and systems for providing reduced bandwidth acquisition latency may comprise communicating a reservation request for bandwidth allocation for devices operating under a wired network protocol, where the reservation request may be sent by wired network devices via a wireless network protocol over a wireless network. Bandwidth may be allocated in the wired network for the requesting devices by a network controller. ... Maxlinear Inc

01/18/18 / #20180019760

Method and system for an analog-to-digital converter with near-constant common mode voltage

Methods and systems for an analog-to-digital converter with near-constant common mode voltage may comprise, in an analog-to-digital converter (adc) having sampling switches on each of two input lines to the adc, n double-sided and m single-sided switched capacitors on each input line: sampling an input voltage by closing the sampling switches, opening the sampling switches and comparing voltage levels between the input lines, iteratively switching the double-sided switched capacitors between a reference voltage (vref) and ground, and iteratively switching the single-sided switched capacitors between ground and voltages that may equal vref/2x where x ranges from 0 to m−1 and m is a number of single-sided switched capacitors per input line. A common mode offset of the adc may be less than vadc_fs/128+vadc_fs/256+vadc_fs/512+vadc_fs/1024 when m equals 4 and where vadc_fs is the full-scale voltage of the adc.. ... Maxlinear Inc

01/18/18 / #20180019738

Method and system for high frequency signal selection

Aspects of methods and systems for high frequency signal selection are provided. The system for high frequency signal selection comprises a first driver and a second driver. ... Maxlinear Inc

01/11/18 / #20180014213

Management of backhaul nodes in a microwave backhaul

A communications network is disclosed that includes one or more microwave backhaul nodes for routing communications between one or more near end mobile communications devices and one or more far end mobile communications devices. The communications network includes a central monitoring and control infrastructure, a remote monitoring and control infrastructure and/or a local monitoring and control infrastructure. ... Maxlinear Inc

01/11/18 / #20180013595

Method and system for frequency multiplexer

Aspects of methods and systems for frequency multiplexing suitable for data over cable service interface specification (docsis) are provided. A system for multiplexing signals according to frequency comprises a docsis port interface, an upstream interface, a downstream interface, and a circulator subsystem. ... Maxlinear Inc

01/11/18 / #20180013495

High-speed, low-power optical communications

Aspects of a method and system for high-speed, low-power optical communications are provided. In one embodiment, a system for optical communications comprises a digital-to-analog converter (dac), a driver, and a transmit optical subsystem. ... Maxlinear Inc

01/11/18 / #20180013485

Method and system for a mesh network of satellite reception assemblies

A satellite reception assembly that provides satellite television and/or radio service to a customer premises may comprise a wireless interface via which it can communicate with other satellite reception assemblies. Wireless connections between satellite reception assemblies may be utilized for providing satellite content between different satellite customer premises. ... Maxlinear Inc

01/11/18 / #20180013446

Method and system for ldpc decoding

A low-density parity-check (ldpc) decoder and a method for ldpc decoding are provided. The ldpc decoder receives a soft-decision input codeword block in which the probability of a bit being a “0” or a “1” is represented as a log-likelihood ratio (llr). ... Maxlinear Inc

01/11/18 / #20180013442

Method and system for asynchronous successive approximation register (sar) analog-to-digital converters (adcs)

An asynchronous successive approximation register analog-to-digital converter (sar adc), which utilizes one or more overlapping redundant bits in each digital-to-analog converter (dac) code word, is operable to generate an indication signal that indicates completion of each comparison step and indicates that an output decision for each comparison step is valid. A timer may be initiated based on the generated indication signal. ... Maxlinear Inc

12/28/17 / #20170373912

Method and system for i/q mismatch calibration and compensation for wideband communication receivers

Methods and systems for i/q mismatch calibration and compensation for wideband communication receivers may comprise receiving a plurality of radio frequency (rf) channels, downconverting the received plurality of received rf channels to baseband frequencies, determining and removing average in-phase (i) and quadrature (q) gain and phase mismatch of the downconverted channels, determining a phase and amplitude tilt of the downconverted channels with removed average i and q gain and phase mismatch, and compensating for said phase and amplitude tilt i and q gain and phase mismatch of the downconverted channels. The determined phase tilt may be compensated utilizing a phase tilt correction filter, which may comprise one or more all-pass filters. ... Maxlinear Inc

12/28/17 / #20170373639

Method and system for a multi-core multi-mode voltage-controlled-oscillator (vco)

Methods and systems for a multi-core multi-mode voltage-controlled-oscillator (vco) may comprise generating a plurality of oscillating signals utilizing a plurality of voltage controlled oscillators (vcos) arranged symmetrically on an integrated circuit, where interconnects for the vcos may be arranged in quiet zones at locations equidistant from each pair of vcos. An interconnection ring may be centered within the arranged vcos that comprises at least two conductive lines that couple to output terminals each vco. ... Maxlinear Inc

12/14/17 / #20170359691

Method and system for location determination and navigation using textual information

. . Methods and systems for location determination and navigation using textual information may comprise capturing images of sources of textual information in the vicinity of a wireless communication device (wcd). Text may be extracted from the sources and a position of the wdc may be determined based on a comparison of the extracted text a stored database of textual information. ... Maxlinear Inc

12/14/17 / #20170359678

Method and system for broadband near-field communication utilizing full spectrum capture (fsc) supporting configuration and regulatory requirements

A wireless communication device generates and transmits wireless broadband signals at a power level that is below a spurious emissions mask such that the transmitted wireless broadband signals occupy a designated frequency spectrum band. A bandwidth of the wireless broadband signals may occupy approximately 800 mhz within a range of 0 hz to 1 ghz. ... Maxlinear Inc

12/14/17 / #20170359080

Digital-to-analog converter (dac) with digital offsets

Systems and methods are provided for digital-to-analog conversions with adaptive digital offsets. A digital offset may be determined and applied to a digital input to a digital-to-analog converter (dac), and digital-to-analog conversions are then applied via the dac to the digital input with the digital offset. ... Maxlinear Inc

11/30/17 / #20170346500

Method and system for asynchronous successive approximation analog-to-digital convertor (adc) architecture

A system for processing signals may be configured to detect occurrence of particular errors, comprising meta-stability events, during digital conversion to analog signals, and to handle any detected meta-stability event, such as by adjusting at least a portion of a corresponding digital output based on detection of the meta-stability event. The adjusting of the digital output may comprise setting at least the portion of the digital output, such as to one of a plurality of predefined digital values or patterns. ... Maxlinear Inc

11/23/17 / #20170338898

Adaptive symbol mapping

The continuous demand for capacity and the limited available spectrum in wireless and wired communication has led to reliance on advanced modulation techniques to dramatically increase the number of bits per hertz per second. This demand in capacity and using the higher order constellations shorten the link range, and as a result, system gain becomes an important characteristic. ... Maxlinear Inc

11/23/17 / #20170338897

Adaptive symbol mapping modulation

The continuous demand for capacity and the limited available spectrum in wireless and wired communication has led to reliance on advanced modulation techniques to dramatically increase the number of bits per hertz per second. This demand in capacity and using the higher order constellations shorten the link range, and as a result, system gain becomes an important characteristic. ... Maxlinear Inc

11/16/17 / #20170331566

Transceiver array

Each of a plurality of modules comprises a respective one of a plurality of antenna elements, and each of a subset of the plurality of modules comprising a respective one of a plurality of transceivers, wherein the plurality of modules are interconnected via one or more communication links. The circuitry may be operable to receive a calibration signal via the plurality of antenna elements, determine, for each one of the antenna elements, a time and/or phase of arrival of the calibration signal, calculate, based on the time and/or phase of arrival of the calibration signal at each of the plurality of antenna elements, electrical distances between the plurality of antenna elements on the one or more communication links, and calculate beamforming coefficients for use with the plurality of antenna elements based on the electrical distances.. ... Maxlinear Inc

11/16/17 / #20170331515

Communication system for telephone line access with crosstalk mitigation

The present disclosure includes systems and techniques relating to wired communication channels, such as telephone lines in a bundled telephone cable. In some implementations, a system includes telephone lines bundled together, electronic equipment including a first transceiver device for each of the telephone lines, which is configured to coordinate transmissions over a respective telephone line; and second transceiver devices coupled respectively with the telephone lines such that each second transceiver device is respectively paired with a first transceiver device; each pair of first and second transceiver devices is configured to communicate over the respective telephone line connecting the pair using a medium access control (mac) cycle split into predefined time slots for downstream communication and upstream communication; and the first transceiver devices are synchronized with each other to align the mac cycle and the predefined time slots across the telephone lines.. ... Maxlinear Inc

11/16/17 / #20170331482

System and method for voltage-controlled oscillator calibration

A system and method for calibrating a voltage-controlled oscillator (vco) having both fine-tuning control and coarse-tuning control. The vco frequency can vary monotonically with changes in each of one or more operational conditions. ... Maxlinear Inc

11/16/17 / #20170331438

Method and apparatus for changing the gain of a radio frequency signal

A method and electronic circuit for changing the gain of a radio frequency signal. The apparatus is an electronic circuit comprising one or more variable gain electronic elements, and one or more adjustable phase shifting elements. ... Maxlinear Inc

11/16/17 / #20170331170

Method and system for a mobile application (app) that assists with aiming or aligning a satellite dish or antenna

An app running on a communication device determines a current position of an antenna, which is to be aligned with a transmitter. The app determines a direction in which the antenna should be oriented so that the antenna is aligned with the transmitter when the communication device is placed by the antenna. ... Maxlinear Inc

11/09/17 / #20170325002

Method and system for power management in a frequency division multiplexed network

A network device may receive a signal from a headend, wherein a bandwidth of the received signal spans from a low frequency to a high frequency and encompasses a plurality of sub-bands. The network device may determine, based on communication with the headend, whether one of more of the sub-bands residing above a threshold frequency are available for carrying downstream data from the headend to the circuitry. ... Maxlinear Inc

11/09/17 / #20170324467

Method and system for femtocell positioning using low earth orbit satellite signals

Methods and systems for femtocell positioning using low earth orbit (leo) satellite signals may comprise receiving an initial position of a wireless communication device (wcd) as entered by as user, service provider, or manufacturer, wherein the wcd comprises a leo satellite signal receiver path (rx). The wcd may be operable to provide wireless communication services to other wcds. ... Maxlinear Inc

11/09/17 / #20170324466

Method and system for an internet protocol lnb supporting positioning

Methods and systems are provided for internet protocol low noise block downconverters (ip lnbs) supporting positioning. An ip lnb that is within a satellite reception assembly may determine based on signals received from at least two different sources, location information and corresponding time information for the ip lnb; and may communicate the determined location information and the corresponding time information to a wireless communication device communicatively coupled to the ip lnb. ... Maxlinear Inc

10/26/17 / #20170311263

Channel-sensitive power control

A communication receiver which applies signal processing for quantitatively estimating receive signal factors such as communication channel quality, signal characteristics, and overall system received bit error rate (ber) or packet error rate (per) and which applies a general algorithm for mapping these estimated factors to control receiver performance and minimize power consumption.. . ... Maxlinear Inc

10/26/17 / #20170310347

Method and system for crest factor reduction

Methods and systems for crest factor reduction may comprise generating an original waveform, generating a distortion signal by reducing a crest factor of the original waveform, generating an error signal by subtracting out the original waveform from the distortion signal, and generating a conditioned waveform by adding the error signal to the original waveform. The crest factor of the original waveform may be reduced based on spectral mask requirements. ... Maxlinear Inc

10/05/17 / #20170288929

Aliasing enhanced ofdm communications

A system comprises an analog front end (afe), an analog-to-digital converter (adc), and alias detection circuitry. The afe may be operable to receive an analog signal via a communication medium, wherein a first frequency band of the analog signal is occupied by an ofdm symbol and a second frequency band of the analog signal is occupied by first aliases generated during digital-to-analog conversion of the ofdm symbol. ... Maxlinear Inc

10/05/17 / #20170288908

Band translation with protection of in-home networks

Methods and systems are provided for band translation with protection. A signal processing circuitry (chip) may be configured to receive and process a plurality of input signals, and generate one or more output signals based on the plurality of input signals. ... Maxlinear Inc

09/28/17 / #20170279459

Successive approximation register analog-to-digital converter

Aspects of a method and apparatus for converting an analog input value to a digital output code are provided. One embodiment of the apparatus includes a digital-to-analog converter, a comparator, and control logic circuitry. ... Maxlinear Inc

09/21/17 / #20170272234

Multi-layer time-interleaved analog-to-digital convertor (adc)

A radio frequency (rf) receiver may comprise a first sampling module that is operable to sample in a first level at a particular main sampling rate; a plurality of second-level sampling modules, wherein each of the plurality of second-level sampling modules is operable to sample in a second level, an output of the first level, at a second sampling rate that is reduced compared to the main sampling rate; and a plurality of third-level modules, each comprising a plurality of third-stage sampling sub-modules that are operable to sample at a third sampling rate that is reduced compared to the second sampling rate, and a plurality of corresponding analog-to-digital conversion (adc) sub-modules.. . ... Maxlinear Inc

09/21/17 / #20170272227

Method and apparatus for moca network with protected set-up

Systems and methods are disclosed for securing a network, for admitting new nodes into an existing network, and/or for securely forming a new network. As a non-limiting example, an existing node may be triggered by a user, in response to which the existing node communicates with a network coordinator node. ... Maxlinear Inc

09/21/17 / #20170272091

Successive-approximation register (sar) analog-to-digital converter (adc) with ultra low burst error rate

Systems and methods are provided for a successive approximation register (sar) analog-to-digital converter (adc) with an ultra-low burst error rate. Analog-to-digital conversions may be applied via a plurality of successive conversion cycles, with each conversion cycle corresponding to a particular bit in a corresponding digital output. ... Maxlinear Inc

09/21/17 / #20170272089

Dynamic power switching in current-steering dacs

Methods and systems are provided for dynamic power switching in current-steering digital-to-analog converters (dacs). A dac circuit may be configured to apply digital-to-analog conversions based on current steering, and to particularly incorporate use of dynamic power switching during conversions. ... Maxlinear Inc

09/21/17 / #20170270979

Methods and systems for parallel column twist interleaving

Systems and methods are provided for parallel column twist interleaving. Parallel bit-interleaving with column twist may be applied to an input bitstream based on one or more interleaving parameters. ... Maxlinear Inc

09/14/17 / #20170264569

Method and system for an analog crossbar architecture

Methods and systems for an analog crossbar may comprise, in a wireless device comprising a receiver path with an analog crossbar: receiving a digital signal comprising a plurality of channels; amplifying the received signal; converting the amplified signal to an analog signal; separating the analog signal into a plurality of separate channels; and routing the plurality of separate channels to desired signal paths utilizing the analog crossbar. The analog crossbar may comprise an array of complementary metal-oxide semiconductor (cmos) transistors. ... Maxlinear Inc

09/14/17 / #20170264325

Outdoor unit resonator correction

A system comprises a microwave backhaul outdoor unit having a first resonant circuit, phase error determination circuitry, and phase error compensation circuitry. The first resonant circuit is operable to generate a first signal characterized by a first amount of phase noise and a first amount of temperature stability. ... Maxlinear Inc

09/07/17 / #20170257467

Method and system for serialization and deserialization (serdes) for inter-system communications

An integrated circuit may comprise a tuner operable to digitize a band of frequencies comprising a plurality of television channels, a crossbar operable to select one or more of the plurality of television channels output by the tuner, a plurality of demodulators operable to receive the selected one or more television channels from the crossbar and demodulate the selected one or more television channels to recover a plurality of transport streams, a transport module operable to multiplex the plurality of transport streams into a single packet stream, and a framer operable to: encapsulate packets of the plurality of transport streams into transport stream frames of a serial datastream, and insert filler frames into the serial datastream after every nth transport stream frame of the serial datastream, where n is an integer.. . ... Maxlinear Inc

09/07/17 / #20170256302

Dynamic random access memory for communications systems

An integrated circuit may comprise a digital logic circuit, a memory refresh circuit, and dram cells. A first portion of the dram cells may be refreshed by the memory refresh circuit. ... Maxlinear Inc

08/24/17 / #20170244425

System and method for low-power digital signal processing

A system and method for low-power digital signal processing, for example, comprising adjusting a digital representation of an input signal.. . ... Maxlinear Inc

08/17/17 / #20170238194

Autoconfigured backhaul transceiver

A microwave transceiver comprises a plurality of antenna arrays, each of which is oriented in a different direction, and circuitry operable to automatically select which of the antenna arrays to use for establishing a microwave backhaul link with a link partner. The circuitry may comprise a plurality of front-ends, each of which may be operable to perform beamforming of signals transmitted and received via a respective one of the antenna arrays. ... Maxlinear Inc

08/17/17 / #20170238049

Flexible channel stacking

A receiver includes a plurality of input paths for receiving and processing a plurality of input rf signals. The input paths isolate one or more portions of corresponding ones of the received input rf signals, and combine the isolated portions of the corresponding ones of the received input rf signals onto one or more output signals. ... Maxlinear Inc

08/17/17 / #20170237521

Apparatus & methods for symbol timing error detection, tracking and correction

Systems and methods for adjusting timing in a communication system, such as an ofdm system are described. In one implementation an error signal is generated to adjust the timing of a variable rate interpolator so as to adjust fft timing. ... Maxlinear Inc

08/10/17 / #20170230221

Peak to average power ratio reduction in multichannel digital front-ends (dfes)

Systems and methods are provided for peak to average power ratio (papr) reduction in multichannel digital front-ends (dfes). A transmitter may be configured to reduce papr during multichannel transmission, with the reducing comprising: generating a plurality of frequency-domain symbols, each of which corresponding to a particular one of a plurality of subcarriers; assigning the subcarriers to a plurality of channels, wherein a number of channels is less than a number of subcarriers; and generating a plurality of time-domain signals corresponding to the channels. ... Maxlinear Inc

08/03/17 / #20170222939

Adaptive inter-frame gap reduction in multimedia over coax alliance (moca) networks

Systems and methods are provided for utilizing adaptive inter-frame gap reduction in multimedia over coax alliance (moca®) networks. A network node that is configured as network controller within a multimedia over coax alliance (moca®) network may receive communication timing related information associated with each of a plurality of network nodes in the moca network; assess based on the communication timing related information, communication timing for each pair of network nodes in the plurality of network nodes; and adaptively configure communications between each pair of network nodes in the plurality of network nodes based on the assessing. ... Maxlinear Inc

08/03/17 / #20170222791

Enabling rx signal path synchronization and alignment signals in a highly integrated tx rfic

A transmit (tx) signal path circuit in a multiple-input, multiple-output (mimo) transceiver responsive to a digital front end (dfe) for generating receive (rx) path phase alignment signals is disclosed. A digital up-conversion block uses a first numerically-controlled oscillator (nco) for generating digital intermediate frequency (if) signals for ordinary tx signal generation, and a different, second nco for generating digital if signals for rx phase alignment signal generation. ... Maxlinear Inc

08/03/17 / #20170222760

Low latency, automatic repeat request ("arq") in a multi-device communications link

Systems and methods enable a plurality of modems in a microwave network receive a plurality of frames from a previous one of the plurality of modems and detect an error frame within the plurality of frames. The plurality of modems can be further configured to send a retransmission request to the previous modem upon detection of the error frame and transmit a dummy frame in place of the error frame to a next one of the plurality of modems.. ... Maxlinear Inc

07/27/17 / #20170215091

Steerable microwave backhaul transceiver

A first microwave backhaul transceiver may comprise a reflector and a signal processing subassembly. The signal processing subassembly may comprise a plurality of antenna elements positioned at a focal plane of the reflector. ... Maxlinear Inc

07/27/17 / #20170214478

Method and system for tunable upstream bandwidth utilizing an integrated multiplexing device

Methods and systems are provided for use of tunable bandwidths. An example system may comprises a plurality of filters, with each of filters being configured for filtering signals corresponding to a particular frequency band associated with a particular stream. ... Maxlinear Inc

07/27/17 / #20170214421

Method and system for a configurable low-noise amplifier with programmable band-selection filters

Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (lna) with first and second input terminals and differential output terminals; a low pass filter operably coupled to the lna; a high pass filter operably coupled to the second input terminal of the lna; and a signal source input coupled to the low pass filter and the high pass filter. The lna may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. ... Maxlinear Inc

07/20/17 / #20170208602

Coordinated access and backhaul networks

A communications network comprises performance determination circuitry and link control circuitry. The performance determination circuitry is operable to determine performance of a microwave backhaul link between a first microwave backhaul transceiver and a second microwave backhaul transceiver. ... Maxlinear Inc

07/20/17 / #20170207937

Automatic gain compression detection and gain control for analog front-end with nonlinear distortion

Methods and systems are provided for gain control in circuits. Gain applied in a circuit may be set to a baseline set gain. ... Maxlinear Inc

07/20/17 / #20170207936

Phase noise suppression

A system comprises a modulator circuit, a test signal generator circuit, and a control circuit. The modulator circuit is operable to generate a data-carrying signal based on a reference signal. ... Maxlinear Inc

07/06/17 / #20170195066

Adaptive symbol mapping modulation

The continuous demand for capacity and the limited available spectrum in wireless and wired communication has led to reliance on advanced modulation techniques to dramatically increase the number of bits per hertz per second. This demand in capacity and using the higher order constellations shorten the link range, and as a result, system gain becomes an important characteristic. ... Maxlinear Inc

06/29/17 / #20170187400

Remote spectrum analysis of transmit bands in communication systems

Systems and methods are provided for utilizing remote spectrum analysis of transmit bands in communication systems. A transmit band spectrum corresponding to a transmit band used in transmitting signals may be captured. ... Maxlinear Inc

06/22/17 / #20170179999

Split microwave backhaul transceiver architecture with coaxial interconnect

A communication system includes a conversion module configured to convert a signal between a radio frequency baseband (rf-bb) and an intermediate frequency (if). At least one rf front-end module converts the signal between the if and a radio frequency (rf). ... Maxlinear Inc

06/15/17 / #20170171569

Loop-through for multi-chip communication systems

Methods and systems are provided for loop-through for multi-chip receivers. An example system may comprise a plurality of receiver chips, with each one of the plurality of receiver chips being operable to generate a corresponding output, and a first one of the plurality of receiver chips is operable to generate a loop-through feed based on processing of an input feed to the system, and each of remaining one or more receiver chips may be operable to process the loop-through feed to generate its corresponding output. ... Maxlinear Inc

06/15/17 / #20170170976

Method and system for a high capacity cable network

A cable modem termination system (cmts) may communicate with a plurality of cable modems using a plurality of orthogonal frequency division multiplexed (ofdm) subcarriers. The cmts may determine a performance metric of each of the cable modems. ... Maxlinear Inc

06/15/17 / #20170170873

Powering multimedia over coax alliance (moca) devices and cable modems

Systems and methods are provided for powering multimedia over coax alliance (moca) devices. An electronic device that is configured for use in a multimedia over coax alliance (moca) network may comprise a communication circuit operable to communicate multimedia over coax alliance (moca) based signals over coax cabling in the moca network, and one or more power circuits operable to support supplying and/or drawing power over the coax cabling in the moca network, to enable powering the electronic device and/or one or more other electronic devices in the moca network. ... Maxlinear Inc

06/15/17 / #20170170818

Method and system for reliable bootstrapping switches

Methods and systems for reliable bootstrapping switches may comprise sampling a received signal with a bootstrapping switch, where the bootstrapping switch comprises a switching metal-oxide semiconductor (mos) transistor having a pull-down path coupled to a gate terminal of the switching mos transistor, wherein: source terminals of both a diode-connected transistor and a second mos transistor are coupled to the gate terminal of the switching mos transistor; drain terminals of both the diode-connected transistor and the second mos transistor are coupled to a source terminal of a third mos transistor, the third mos transistor coupled in series with a fourth mos transistor; and a drain terminal of the fourth mos transistor is coupled to ground. The third and fourth mos transistors may be in series with the second mos transistor. ... Maxlinear Inc

06/08/17 / #20170164059

Method and apparatus for communicating electronic service guide information in a satellite television system

Aspects of a method and apparatus for communicating electronic service guide information in a satellite television system are provided. A satellite communication system may receive a signal via an interface to a satellite dish, and receive data from a network via a second interface (e.g., an interface to a lan or a wan, such as the internet). ... Maxlinear Inc

06/08/17 / #20170163486

Method and system for service group management in a cable network

A cable modem termination system (cmts) may determine, for a plurality of cable modems served by the cmts, a corresponding plurality of snr-related metrics. The cmts may assigning the modems among a plurality of service groups based on the snr-related metrics. ... Maxlinear Inc

06/08/17 / #20170163277

Method and system for time interleaved analog-to-digital converter timing mismatch estimation and compensation

Methods and systems for time interleaved analog-to-digital converter timing mismatch calibration and compensation may include receiving an analog signal on a chip, converting the analog signal to a digital signal utilizing a time interleaved analog-to-digital-converter (adc), and reducing a blocker signal that is generated by timing offsets in the time interleaved adc by estimating complex coupling coefficients between a desired digital output signal and the blocker signal utilizing a decorrelation algorithm on frequencies within a desired frequency bandwidth. The decorrelation algorithm may comprise a symmetric adaptive decorrelation algorithm. ... Maxlinear Inc

06/08/17 / #20170162233

Method and apparatus for memory power and/or area reduction

A method and apparatus for memory power and/or area reduction. An array of memory cells may be scanned to detect faulty memory cells, if any, in the array. ... Maxlinear Inc

05/18/17 / #20170141965

Method and system for a wide-bandwidth, on-premises network

A network device comprising: a first connector for connecting to an external network from which data may be communicated using a first frequency band in accordance with a first communications protocol; a second connector for connecting to an on-premises network; and circuitry residing in a signal path between said first connector and said second connector. The circuitry may be operable to: permit a first portion of the first frequency band to pass from the first connector to the second connector; block a second portion of said first frequency band from passing from the first connector to the second connector; and communicate, via the second connector, signals that are normally communicated in frequency ranges not including the first frequency band, into the on-premises network using the first frequency band. ... Maxlinear Inc

05/18/17 / #20170141784

Method and system for an analog-to-digital converter with near-constant common mode voltage

Methods and systems for an analog-to-digital converter (adc) with constant common mode voltage may include in an adc comprising a sampling switch on a first input line to the adc, a sampling switch on a second input line to the adc, n switched capacitor pairs and m single switched capacitors on the first input line, and n switched capacitor pairs and m single switched capacitors on the second input line: sampling an input voltage by closing the sampling switches, opening the sampling switches and comparing voltage levels between the input lines, iteratively switching the switched capacitor pairs between a reference voltage (vref) and ground based on the compared voltage levels, and iteratively switching the single switched capacitors between ground and voltages that are a fraction of vref, which may equal vref/2x where x ranges from 0 to m−1 and m is a number of single switched capacitors per input line.. . ... Maxlinear Inc

05/11/17 / #20170134037

Digital-to-analog converter system and method

An interleaved radio frequency digital-to-analog converter (rf dac) suitable for use in cellular base stations and optimized to give both a wide rf tuning range and a wide rf bandwidth is disclosed. The rf dac uses two levels of interleaving, the first providing a direct conversion path from base band (bb) to rf, and the second providing a variable interleaving factor through the use of summation to optimize the output bandwidth as a function of the rf center frequency. ... Maxlinear Inc

05/11/17 / #20170134032

Method and system for asynchronous successive approximation register (sar) analog-to-digital converters (adcs)

An asynchronous successive approximation register analog-to-digital converter (sar adc), which utilizes one or more overlapping redundant bits in each digital-to-analog converter (dac) code word, is operable to generate an indication signal that indicates completion of each comparison step and indicates that an output decision for each comparison step is valid. A timer may be initiated based on the generated indication signal. ... Maxlinear Inc

05/04/17 / #20170127146

Noise suppression in a hybrid fiber coaxial network

A coupling device for use in a hybrid fiber coaxial (hfc) network may be configured to detect a control message and determine from the message a period for which a cable modem downstream is to be transmitting a desired transmission, disable an upstream path through it when there is only noise incident on the upstream path, and enable the upstream path during the period when a desired transmission from a cable modem downstream of the coupling device is incident on the upstream path. The coupling device may be a trunk amplifier, a distribution amplifier, or a splitter. ... Maxlinear Inc

05/04/17 / #20170126238

Stacked synthesizer for wide local oscillator generation using a dynamic divider

A stacked synthesizer for wide local oscillator (lo) generation using a dynamic divider. The phase locked loop can include a plurality of voltage controlled oscillators (vcos), and a selector that can be configured to select an output of one of the plurality of vcos. ... Maxlinear Inc

05/04/17 / #20170125913

Millimeter wave spatial crossbar for a millimeter-wave connected data center

A method and system comprises in a data center including a first server rack housing a first spatial crossbar, a second server rack housing a second spatial crossbar, performing by the first spatial crossbar: transmitting data to the second spatial crossbar via a first millimeter wave beam between the first spatial crossbar and the second spatial crossbar. The first millimeter wave beam may emanate from the first spatial crossbar at a first angle and be redirected toward the second spatial crossbar by a reflective surface in the data center. ... Maxlinear Inc

04/27/17 / #20170118657

Spatial routing among microwave backhaul transceivers

A first microwave backhaul transceiver may comprise a plurality of antenna elements. The transceiver may determine atmospheric conditions between it and one or more potential link partners, and adjust a radiation pattern of the plurality of antenna elements based on the determined atmospheric conditions. ... Maxlinear Inc

04/27/17 / #20170118505

Method and apparatus for an energy-efficient receiver

One or more circuits may comprise at least one first-type analog-to-digital converter (adc) and at least one second-type adc. The circuit(s) may be operable to receive a plurality of signals, each of which may comprise a plurality of channels. ... Maxlinear Inc

04/27/17 / #20170118059

Method and apparatus for converting analog radio frequency (rf) signals to the digital domain in a multiband and multicarrier wireless communication system

A method and system are provided for converting wideband analog radio frequency (rf) signals to a digital domain. In an implementation, the system comprises: an amplifier for receiving and amplifying a first wideband analog rf signal comprising one or more first narrowband analog rf signals, each first narrowband analog rf signal occupying a distinct non-overlapping spectral band within a spectrum of the first wideband analog rf signal; n down converter modules; n analog-to-digital converters (adcs); and a cross-connect for connecting any one of the n down converter modules to one or more of the n adcs to analog-to-digital convert only the first narrowband analog rf signals occupying the distinct non-overlapping spectral bands. ... Maxlinear Inc

04/27/17 / #20170115402

Method and system for power optimization for a global navigation satellite system

Methods and systems for power optimization of a global navigation satellite system may comprise receiving leo rf satellite signals utilizing a leo satellite signal receiver path (leo rx) in a wireless communication device (wcd). Circuitry in the leo rx may be configured in a powered down state based on a sleep schedule. ... Maxlinear Inc

04/20/17 / #20170111758

Method and system for broadband near-field communication utilizing full spectrum capture (fsc) supporting screen and application sharing

A wireless communication device (wcd) establishes an ad-hoc communication link with a second wcd within operating range. A replica of at least a portion of a display of the first wcd may be shared with the second wcd utilizing wireless broadband signals that are communicated via the established one or more ad-hoc communication links. ... Maxlinear Inc

04/20/17 / #20170111676

Method and system for diversity combining for high-performance signal reception

A terrestrial receiver at a premises includes a plurality of antennas and a corresponding plurality of tuners. The terrestrial receiver receives terrestrial television signals via the plurality of antennas and the plurality of tuners and diversity combines a corresponding plurality of terrestrial television channels within the received terrestrial television signals, for example, based on control signals received from one or more customer premises equipment (cpe). ... Maxlinear Inc

04/20/17 / #20170111190

Non-coherent multi-symbol-delay differential detector

An electronic receiver may generate a differential detection sequence based on a received symbol sequence and based on a m-symbol delayed version of the received symbol sequence, where m is an integer greater than 1. The particular differential detection sequence may be a result of an element-by-element multiplication of the particular received symbol sequence and the conjugate of an m-symbol delayed version of the particular received symbol sequence. ... Maxlinear Inc

04/20/17 / #20170111189

Wireless backhaul

In the subject system, a receiver includes a feed forward circuit, a phase recovery circuit, and a feedback circuit. The feed forward circuit compensates for near reflections and provides an input to the phase recovery circuit and the feedback circuit. ... Maxlinear Inc

04/20/17 / #20170111105

Method and system for a mesh network of satellite reception assemblies

A satellite reception assembly that provides satellite television and/or radio service to a customer premises may comprise a wireless interface via which it can communicate with other satellite reception assemblies. Wireless connections between satellite reception assemblies may be utilized for providing satellite content between different satellite customer premises. ... Maxlinear Inc

04/20/17 / #20170111052

Method and system for charge compenssation for switched capacitor circuits

Methods and systems for charge compensation for switched-capacitor circuits may comprise, in an electronics device comprising a first voltage source, a switched capacitor load, and a switched capacitor compensation circuit: switching a capacitor in the switched capacitor load from a first voltage to a second voltage; providing a charge to the switched capacitor load from the switched capacitor compensation circuit without requiring added charge from the first voltage source. A reference voltage may be generated utilizing the first voltage source. ... Maxlinear Inc

03/30/17 / #20170093497

Hybrid direct-modulated/external modulation optical transceiver

Aspects of a method and system for feedback during optical communications are provided. In one embodiment, a system for optical communications comprises a predistortion module, a feedback subsystem, a transmit optical subsystem, and an external modulator. ... Maxlinear Inc

03/30/17 / #20170093409

System and method for voltage-controlled oscillator calibration

A system and method for calibrating a voltage-controlled oscillator (vco) having both fine-tuning control and coarse-tuning control. The vco frequency can vary monotonically with changes in each of one or more operational conditions. ... Maxlinear Inc

03/16/17 / #20170078254

Method and apparatus for providing conditional access based on channel characteristics

A first network device may measure one or more values of one or more parameters corresponding to a plurality of links and/or devices of the network. The first network device may compare the measured one or more values of the one or more parameters to an expected one or more values of the one or more parameters. ... Maxlinear Inc

03/16/17 / #20170077953

Low-power low density parity check decoding

In an example implementation of this disclosure, a message passing low density parity check (ldpc) decoder may, during decoding of a first group of bits, lock a first variable node upon a bit-value probability of the first variable node reaching a determined threshold, and lock a first check node upon all variable nodes connected to the first check node being locked. The ldpc decoder may cease decoding the first group of bits upon all variable nodes of the ldpc decoder being locked, all check nodes of the ldpc decoder being locked, reaching a maximum number of iterations, or reaching a timeout. ... Maxlinear Inc








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