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Adtran Inc
Adtran Inc A Delaware Corporation

Adtran Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Adtran Inc-related inventors


Broadband access devices having a radio link

Methods, systems, and apparatus for communicating over a radio link by devices with broadband connectivity are disclosed. In one aspect, a telecommunications device includes a first transceiver, a second transceiver, and a state monitor. The first transceiver communicates over a broadband link. The second transceiver communicates over a radio link.... Adtran Inc

Systems and methods for performing optical line terminal (olt) failover switches in optical networks

A system for performing failover switches in an optical network, such as a time and wavelength division passive optical networks (TWDM PON) like NG-PON2, includes a backup optical line terminal (OLT) for backing up communications of a primary OLT. The backup OLT is configured to allocate small upstream time slots,... Adtran Inc

System and securing privileged access to an electronic device

When a user requests root-level access to a device, the device generates a random public and private key pair and encrypts the public key into a request message using a remote server's public key. The encrypted request message is transmitted to the server. The server decrypts the request message using... Adtran Inc

Injected block code distortion

Methods, systems, and apparatus for automatically injecting symbol errors into a data stream prior to transmitting the data stream for timing recovery robustness are disclosed. In one aspect, a first telecommunications device determines that a data transition rate of a data stream exceeds a pre-specified rate. In response to the... Adtran Inc

System and accessing broadband connectivity over local wireless network

A system for broadband communication over a local wireless communication channel includes a router configured to wirelessly access a wireless communication network, and a wireless broadband access device having wireless access to a wireless broadband communication network, the wireless broadband access device configured to wirelessly access the wireless communication network... Adtran Inc

Pon wavelength bonding for providing higher-rate data services

Methods, systems, and apparatus for Passive Optical Network (PON) wavelength bonding are disclosed. In one aspect, a first frame of data to a first optical network unit (ONU) is transmitted by an optical line terminal (OLT) over a first wavelength. While the first frame of data is being transmitted to... Adtran Inc

Optical telecommunications devices, systems, and methods

Optical telecommunications devices, systems, and methods. In some implementations, an optical networking unit (ONU) includes a multi-rate receiver having an operating bandwidth that is selected operationally based on physical layer characteristics of received signals and information received from a MAC. The ONU can also include an upstream laser circuit having... Adtran Inc

Reference current source

Systems, methods, and apparatus for generating a reference current. A reference current source can include a current generator circuit; a first resistance circuit that has a positive temperature dependence; and a second resistance circuit that has a negative temperature dependence. The first resistance circuit and the second resistance circuit can... Adtran Inc

Telecommunication systems and methods using dynamic shaping for allocating network bandwidth

A telecommunication system employs dynamic shaping based on current load conditions for at least one congestion point in order to achieve a fair allocation of network bandwidth. In one exemplary embodiment, shaper control logic communicates with virtual scheduler/shapers to learn current load conditions for at least one congestion point. Using... Adtran Inc

Pon wavelength bonding for high-rate services

Methods, systems, and apparatus for Passive Optical Network (PON) wavelength bonding are disclosed. In one aspect, a first frame of data to a first optical network unit (ONU) is transmitted by an optical line terminal (OLT) over a first wavelength. While the first frame of data is being transmitted to... Adtran Inc

Systems and methods for communicating high speed signals in a communication device

A coupling module can be used to communicate high speed signals between an optical transceiver and a processing module of an optical communication device, such as an optical line termination (OLT) or an optical network unit (ONU). The coupling module can adjust the DC offset voltage level of the signal... Adtran Inc

Synchronous digital signal encapsulation

Methods and apparatus for communicating synchronous digital signals through an asynchronous domain are disclosed. In one aspect a method includes receiving a first synchronous digital signal of a first domain, wherein the first synchronous digital signal is generated by a first device for communication to a second device; encapsulating the... Adtran Inc

Hierarchical query response limiter

Methods, systems, and apparatus for automatically truncating a hierarchical query response are disclosed. In one aspect, a query for hierarchically arranged data about a telecommunications device is received by the telecommunications device. Creation of a response that includes at least a portion of the requested hierarchically arranged data is initiated.... Adtran Inc

Multicast connection admission control

Methods and apparatus for multicast connection admission control are disclosed. In one aspect a method includes measuring, at a forwarding plane of a telecommunications device, an actual amount of multicast bandwidth being used to deliver multicast data to multiple end user devices over a telecommunications link; controlling, by the telecommunications... Adtran Inc

Locating traffic origin in a network

The switch port at which traffic associated with a specified media access control (MAC) address originates is searched for in a local area network (LAN). One or more switches receive a broadcast discovery message on a LAN subnet. Each switch determines whether the MAC address identified by the discovery message... Adtran Inc

Telecommunications node configuration management

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for managing device firmware. In one aspect, a system includes a file server; a subtending device coupled to the file server, and a telecommunications node coupled to the subtending device. The subtending device can include one or... Adtran Inc

Telecommunications node configuration management

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for managing configurations of telecommunications nodes. In one aspect, a system includes a file server; a subtending device coupled to the file server, and a telecommunications node coupled to the subtending device. The subtending device can include... Adtran Inc

Telecommunications node configuration management

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for managing configurations of telecommunications nodes. In one aspect, a system includes a file server; a subtending device coupled to the file server, and a telecommunications node coupled to the subtending device. The subtending device can include... Adtran Inc








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