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Andrew Wireless Systems Gmbh patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Andrew Wireless Systems Gmbh-related inventors


Small cell network architecture for servicing multiple network operators

Systems are provided for managing a small cell telecommunication system servicing multiple network operators. In one aspect, a small cell telecommunication system can include management sub-system including a controller, multiple baseband processing units in communication with the controller, a transport module, and multiple remote antenna units. ... Andrew Wireless Systems Gmbh

System for determining the layout and absolute and relative positions of elements in a distributed antenna system and for use of those elements for measurement

A distributed antenna system including a plurality of remote antenna units, a passive element coupled to at least one of the remote antenna units and an rfid system located proximate the passive element. The rfid system includes processing circuitry and measurement circuitry and the processing circuitry is configured for receiving an interrogation signal and processing the interrogation signal and providing a response. ... Andrew Wireless Systems Gmbh

Distributed antenna system with improved uplink leveling

Uplink leveling systems and methods for a distribution antenna are provided. An uplink leveling system includes at least one communication path between a base station point of interface and a remote antenna unit. ... Andrew Wireless Systems Gmbh

Capacity optimization sub-system for distributed antenna system

Certain aspects are directed to a capacity optimization sub-system for a distributed antenna system. The capacity optimization sub-system includes a switch matrix and a controller. ... Andrew Wireless Systems Gmbh

Non-duplexer architectures for telecommunications system

A telecommunications system can include analog-to-digital converters in an uplink communication path or a downlink communication path. The analog-to-digital converters can have a high dynamic range and bandwidth to obviate a need for down-conversion of signals using an analog mixer. ... Andrew Wireless Systems Gmbh

Switching sub-system for distributed antenna systems using time division duplexing

A switching control module can optimize time division duplexing operations of a distributed antenna system (“das”). The switching control module can include a measurement receiver and a processor. ... Andrew Wireless Systems Gmbh

Telecommunication systems with distributed base station functionality

Examples of distributed base station functionality in a telecommunication system (e.g., a distributed antenna system) are disclosed. In some aspects, the telecommunication system can include an interface with circuitry configured to communicate with one or more base-station entities, base-station components (such as baseband units or remote radio heads), or core-network entities. ... Andrew Wireless Systems Gmbh

Hybrid ran/digital das repeater system with ethernet transport

One embodiment is directed to a system in which an end node and a boundary link optimizer node are communicatively coupled to an ethernet network. The end node is communicatively coupled to the ethernet network using a boundary link that is connected to an edge of the ethernet network. ... Andrew Wireless Systems Gmbh

Uplink path integrity detection in distributed antenna systems

Aspects and features are directed to an uplink integrity detection sub-system. In one aspect, a distributed antenna system is provided that includes at least one master unit; a plurality of remote antenna units each in communication with the at least one master unit; and a system controller configured to: determine a noise figure for an uplink path from at least one of the plurality of remote antenna units; and modify a gain of the uplink path when the noise figure exceeds a desired threshold, wherein the noise figure is determined as a function of a measured signal power of an undesirable signal component in the uplink path from the remote antenna unit.. ... Andrew Wireless Systems Gmbh

Transmit and receive combining using circulator with distortion cancellation

A telecommunications system may include a distortion cancellation subsystem for use with a circulator device coupling an antenna to a transmit path and a receive path. The distortion cancellation subsystem may include a correction circuit and a cancellation circuit. ... Andrew Wireless Systems Gmbh

System for characterizing a passive antenna network and elements in a distributed antenna system

A distributed antenna system includes a plurality of remote antenna units with a passive element coupled to at least one of the remote antenna units at a connection juncture. An rfid system is associated with the first passive element and has rfid data identifying the first passive element. ... Andrew Wireless Systems Gmbh

Synchronizing multiple-input/multiple-output signals in distributed antenna systems

The present disclosure describes devices, systems, and methods for synchronizing multiple-input/multiple-output (“mimo”) signals or other signals in telecommunication systems. Some aspects may involve transmitting signals between a head-end unit and remote units of a telecommunication system. ... Andrew Wireless Systems Gmbh

Interface device providing power management and load termination in distributed antenna system

Certain aspects involve an interface device for a distributed antenna system (“das”). In some aspects, the interface device can include an interface, a power detector, and a processor. ... Andrew Wireless Systems Gmbh

Frame start optimizing in telecommunications systems

The present disclosure describes devices, systems, and methods for frame start optimizing in telecommunication systems. Some aspects may involve receiving, by an aggregation device in the telecommunication system, frames from transmitter devices. ... Andrew Wireless Systems Gmbh

04/12/18 / #20180102830

Repeater system for use on a moveable object

A repeater system includes a first master unit and a second master unit located on the movable object, such as a train. The master units are each connected to an antenna for receiving a downlink rf signal from at least one base station outside of the movable object and for transmitting an uplink rf signal towards the base station. ... Andrew Wireless Systems Gmbh

04/12/18 / #20180102829

Digital repeater system

A digital repeater system for repeating rf signals can include a receiving section for receiving an rf input signal that includes a frequency band with at least one subband associated with a communication channel of a telecommunications network. The receiving section can digitize the rf input signal to obtain a digital signal. ... Andrew Wireless Systems Gmbh

04/05/18 / #20180097659

Uplink signal combiners for mobile radio signal distribution systems using ethernet data networks

One embodiment is directed to an uplink signal combiner that is configured to receive, via the data network, data packets from the remote antenna units. Each of the data packets includes respective control data and respective user data. ... Andrew Wireless Systems Gmbh

03/08/18 / #20180069741

Module for combining signals having different frequencies

Certain features relate to a telecommunications system with a modular frequency combiner combining multiple received signals at different frequency bands without using frequency-dependent multiplexers. The frequency combiner can include adjustable tuning elements for adjusting various signal-processing parameters of the frequency combiner while the frequency combiner is in the telecommunications system. ... Andrew Wireless Systems Gmbh

03/08/18 / #20180069607

Distributed antenna system for mimo communications

A method and apparatus for determining placement of a plurality of simulated antennas of a simulated distributed antenna system (das) for handling simulated mimo signals in a simulated environment includes: at a first simulated location, simulating communication of a first simulated mimo signal by a first remote unit over a first simulated air interface; at a second simulated location, simulating communication of a second simulated mimo signal by a second remote unit over a second simulated air interface; the first simulated location and the second simulated location arranged within the simulated environment to provide overlapping simulated signal coverage of both the first simulated mimo signal and the second simulated mimo signal at a third simulated location; and analyzing at least a first simulated received power of the first simulated mimo signal and a second simulated received power of the second simulated mimo signal at the third simulated location.. . ... Andrew Wireless Systems Gmbh

02/01/18 / #20180034530

Distributed antenna system for mimo signals

A distributed antenna system (das) includes a master unit; a plurality of remote units communicatively coupled with the master unit and distributed to provide coverage within a service area, each of the remote units remotely located from the master unit and other remote units; a coupler element coupled to receive a plurality of mimo signals, the mimo signals including first and second mimo signals, the coupler element configured to: introduce a phase shift in a first portion of the first mimo signal to generate a first phase shifted portion of the first mimo signal; combine the first phase shifted portion with a second portion of the second mimo signal to generate a combined mimo signal; and present the combined mimo signal at a first output port of the coupler element; at least one antenna coupled with each remote unit and configured to receive the combined mimo signal for transmission.. . ... Andrew Wireless Systems Gmbh

12/21/17 / #20170366246

Wireless communications network using frequency conversion of mimo signals

In one embodiment, a repeater for wireless communication is provided. The repeater comprises: circuitry configured to receive first and second mimo-coded information channels at a first frequency; a converting device configured to convert the first mimo-coded information channel to a second frequency using information from a test receiver configured to determine unused frequency ranges situated outside frequency bands allocated to mobile radio for wireless communication, the test receiver communicatively coupled with the converting device, the converting device configured to convert the first mimo-coded information channel to the second frequency in at least one communication direction, the second frequency within the unused frequency ranges situated outside the frequency bands allocated to mobile radio; and circuitry configured to transmit the first and second mimo-coded information channels in the at least one communication direction, wherein the first and second mimo-coded information channels are transmitted using different frequencies compared to each other.. ... Andrew Wireless Systems Gmbh

07/27/17 / #20170214376

Adaptive supply voltage for a power amplifier

In one embodiment, a signal-processing apparatus for generating an amplified output signal based on an input signal is provided. The apparatus comprises: an amplifier configured to generate the output signal, wherein the amplifier is configured to receive a supply voltage; and a limiter configured to inhibit increases in the input signal power level from being applied to the amplifier, wherein the limiter comprises: a variable attenuator configured to selectively attenuate the input signal before being applied to the amplifier; wherein the limiter integrates over a voltage difference between a current measure of attenuated input signal power level and a limiter threshold level to control a level of attenuation applied by the variable attenuator to the input signal.. ... Andrew Wireless Systems Gmbh

06/15/17 / #20170170536

Method for compensating a temperature drift of a microwave filter

A method for compensating a temperature drift of a microwave filter comprises: measuring a first frequency response of a microwave filter at a first temperature; determining values of elements of an equivalent circuit corresponding to the microwave filter such that a first modelled frequency response computed using the equivalent circuit matches the first measured frequency response to obtain a first model modelling the microwave filter at the first temperature: measuring a second frequency response of the microwave filter at a second temperature; determining values of elements of the equivalent circuit corresponding to the microwave filter anew such that a second modelled frequency response computed using the equivalent circuit matches the second measured frequency response to obtain a second model modelling the microwave filter at the second temperature; and adjusting an overall temperature drift of the microwave filter to adjust the temperature drifts of the resonant filter elements.. . ... Andrew Wireless Systems Gmbh

06/15/17 / #20170170535

Microwave filter having a fine temperature drift tuning mechanism

A microwave filter comprises at least one resonant filter element resonating at a resonant frequency and having a housing, a resonant filter cavity arranged in the housing and a resonator element arranged in the housing. At least two tuning elements are arranged on the housing of the resonant filter element and each extend into the cavity with a shaft portion, wherein the two tuning elements are movable with respect to the housing to adjust the length of the shaft portion extending into the housing and wherein the at least two tuning elements are constituted and designed such that by adjusting the length of the shaft portion of each tuning element extending into the housing a temperature drift of the resonant frequency is adjustable.. ... Andrew Wireless Systems Gmbh

05/11/17 / #20170134085

System and method for reducing desensitization of a base station transceiver for mobile wireless repeater systems

A repeater system including bi-directional amplifier circuitry that is configured for repeating signals between at least one device and a first signal source. Receiver circuitry is coupled with the amplifier circuitry provides at least one signal associated with at least one of a device or the first signal source or a second signal source. ... Andrew Wireless Systems Gmbh

01/26/17 / #20170026199

Scalable telecommunications system

One aspect is directed to a node unit for a scalable telecommunications system. The node unit is configured to have inserted therein a respective power amplifier module and duplexing module for each of a plurality universal digital rf transceiver modules. ... Andrew Wireless Systems Gmbh

01/26/17 / #20170025735

Microwave cavity resonator

One embodiment is directed to a microwave cavity resonator comprises a cavity housing forming a cavity. A resonator element is arranged in the cavity and extends longitudinally along a longitudinal axis, wherein the resonator element comprises, when viewed along the longitudinal axis, a first end connected to a first housing wall and a second end opposite the first end, the second end being arranged at a distance from a second housing wall. ... Andrew Wireless Systems Gmbh

01/19/17 / #20170017816

System for characterizing a passive antenna network and elements in a distributed antenna system

A distributed antenna system includes a plurality of remote antenna units with a passive element coupled to at least one of the remote antenna units at a connection juncture. An rfid system is associated with the first passive element and has rfid data identifying the first passive element. ... Andrew Wireless Systems Gmbh








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