Abstract: A system and method for coordinating electronic devices in a wireless communications system are provided. A method for transmitting information by a controller includes computing a beam cycle based on transmissions from a plurality of mobile devices, receiving resource-specific channel quality indicators from the plurality of mobile devices, scheduling a transmission opportunity for a mobile device in the plurality of mobile devices, and transmitting information to the mobile device based on the scheduled transmission opportunity. The mobile devices are being served by the controller, and the scheduling is based on the beam cycle and the channel quality indicators.
Type:
Application
Filed:
April 28, 2010
Publication date:
October 28, 2010
Applicant:
FutureWei Technologies, Inc.
Inventors:
Cornelius van Rensburg, Oghenekome Oteri
Abstract: Method and system for providing system information in a communication network. According to an embodiment, the present invention provides a method for providing networking routing in compliance with a Mobile IP protocol. The method includes providing a mobile node, which includes a plurality of interfaces. The plurality of interfaces includes a first interface and a second interface. The first interface is associated with a first service, a second service, and a first address. The second interface is associated with a third service and a second address. The method also includes providing a home agent that is configured to store a plurality of entries associated with mobile nodes. The method additionally includes sending a first packet from the mobile node to the home agent. The first packet includes at least a first entry and a second entry.
Abstract: A processor, particularly a network processor, is designed by first writing code to be processed by the processor. That code is then electronically compiled to design hardware of the processor and to provide executable code for execution on the designed hardware. To facilitate compilation, the written code may be restricted by predefined functional units to be implemented in hardware, and the executable code may include very long instruction word code. The functional units may be implemented in reconfigurable circuitry or custom circuitry, and the designed hardware may include combinational logic in reconfigurable circuitry.
Abstract: A system and method for wireless communications with codebook adaptation with low feedback overhead are provided. A method for controller operations includes receiving a first channel information from a communications device, estimating channel statistics based on the first channel information, adapting a codebook using the channel statistics, and receiving a second channel information from the communications device. The method also includes constructing a precoding matrix from the second channel information and the adapted codebook, and transmitting information precoded by the precoding matrix to the communications device.
Abstract: A system and method for supporting a keep alive mechanism in a wireless communications system are provided. A method for communications device operation includes if the communications device is operating within an idle time window and if the communications device is in the idle state, initiating a keep alive procedure, and if the communications device is not operating within the idle time window and if an elapsed time since a last transmission by the communications device is greater than an upper boundary of the idle time window, initiating the keep alive procedure. The method further includes if the communications device is not operating within the idle time window and if the elapsed time since the last transmission by the communications device is less than a lower boundary of the idle time window, not initiating the keep alive procedure.
Abstract: A system and method for tunneling system error handling between communications systems are provided. A method for error handling by a controller in an interworking system includes receiving a notification of an occurrence of an error in a first communications system, determining if the error is a long-term error, causing a device in a second communications system with a session in the first communications system to halt communications with the first communications system if the error is a long-term error, and not causing the device in the second communications system with the session in the first communications system to halt communications with the first communications system if the error is not a long-term error.
Abstract: A method of rate-control for a group of ports in a communication network. Ramping is performed for allowed-rate of each of the group of ports, if sum of the ingress-rates of the group of ports is less than a given rate threshold; and adjusting is performed for allowed-rate of each of the group of ports, if sum of the ingress-rates of the group of ports is greater than or equal to the given rate threshold, such that the sum of allowed-rates of the group of ports is equal to the given rate threshold.
Type:
Grant
Filed:
January 12, 2007
Date of Patent:
October 19, 2010
Assignee:
Futurewei Technologies, Inc.
Inventors:
Robert Sultan, Stein Gjessing, Xuan Zhang, Zhusheng Deng, Xixiang Li, Jianfei He
Abstract: A system and method for supporting handovers between different radio access technologies is provided. A method for communications device operations includes sending a request to a controller of the communications device to change an operating mode of the communications device, and receiving a transmission responsive to the request. The method also includes in response to determining that the controller has granted the request to change the operating mode and that the communications device is operating in a border cell, changing the operating mode of the communications device, tuning at least one receiver of the communications device to an alternate radio access technology (RAT), and initiating a handover with the alternate RAT.
Type:
Application
Filed:
November 12, 2009
Publication date:
October 14, 2010
Applicant:
FutureWei Technologies, Inc.
Inventors:
Shuqing Xing, Young Hoon Kwon, Zhixian Xiang, Yali Qin, Zhiming Li
Abstract: In accordance with an embodiment, a method of operating a video server includes receiving a first video bitstream, storing the first bitstream in a memory, generating a second video bitstream from the first video bitstream, and storing the second video bitstream in the memory. The first video bitstream has a plurality of independently coded views and the second video bitstream has one of the plurality of independently coded views.
Abstract: A network component comprising a processor configured to implement a method comprising communicating a data stream to a destination over a plurality of links, the data stream comprising a high priority data and a plurality of low priority data, wherein the high priority data is duplicated over at least two of the links, and wherein the low priority data is distributed over at least some of the links. Also disclosed is a method comprising receiving a plurality of data streams, each data stream comprising a high priority data and a low priority data, wherein each data stream is received on one of a plurality of links in an aggregated link, and wherein the high priority data in each data stream is substantially identical.
Abstract: A system for rate management of communication services. The system comprises at least one group of ports sharing a guaranteed-rate; and each of the group of ports determines an allowed-rate using at least one rate management policy.
Abstract: A system and method for assigning backhaul resources is provided. A method for wireless relay network communications includes determining performance information regarding a plurality of relay nodes, allocating resource blocks in a subframe to relay nodes based on the information, and notifying relay nodes of the allocated RBs using a signaling message.
Type:
Application
Filed:
March 16, 2010
Publication date:
October 7, 2010
Applicant:
FutureWei Technologies, Inc.
Inventors:
Yufei Blankenship, Brian Classon, Philippe Sartori
Abstract: An apparatus comprising a transmitter configured to transmit a digital subscriber line (DSL) signal in a line from a plurality of subscriber lines according to a reference virtual noise power spectral density (PSD), wherein the reference virtual noise PSD is based on an upper bound for a worst-case far-end crosstalk (FEXT) PSD in the subscriber lines. Also included is an apparatus comprising at least one processor configured to implement a method comprising obtaining an upper bound for a worst-case FEXT PSD for a plurality of subscriber lines, obtaining a referred virtual noise PSD based on the worst-case FEXT PSD for the lines, and determining a bit-loading for the lines based on the referred virtual noise or a scaled version of the receiver-referred virtual noise.
Abstract: A network component comprising at least one processor configured to implement a method comprising initiating a synchronization window, and promoting the transmission of a frame comprising a control symbol, wherein the control symbol delineates a beginning of the frame, and wherein the control symbol is offset from the beginning of the synchronization window. Also disclosed is a system comprising an upstream node in communication with a downstream node, wherein the upstream node transmits a data stream comprising a plurality of frames to the downstream node, wherein the data stream is organized into a plurality of synchronization windows, and wherein the frames float within the synchronization windows. Included is a method comprising transmitting an Ethernet data stream comprising an Ethernet control symbol, wherein the Ethernet control symbol is transmitted within a synchronization window and delineates a start of a packet within the synchronization window.
Abstract: A system and method for probability-based resource allocation in a wireless communications system is provided. A method for centralized resource allocation includes coordinating spectrum sensing information with a set of cognitive radio (CR) user pairs, computing probability-based information for CR user pairs in the set of CR user pairs, computing adjustment values for each channel available for allocation, assigning a CR user pair to an unassigned channel in a set of channels available for allocation, the assigning based on the probability-based information, updating the adjustment values, repeating the assigning a CR user pair and the updating the adjustment values if the adjustment values have not converged, and transmitting a message to the set of CR user pairs, wherein the message comprises information regarding CR user pair to channel assignments.
Type:
Application
Filed:
March 22, 2010
Publication date:
September 30, 2010
Applicant:
FutureWei Technologies, Inc.
Inventors:
Dongdong Li, Dandan Wang, Mazin Al-Shalash, Anthony C.K. Soong
Abstract: A system and method for communications using spatial multiplexing with incomplete channel information are provided. A method for wireless communications includes receiving, at a controller, a reference signal transmitted by a communications device, computing channel statistics based on the received reference signal, computing a first beamforming vector and a second beamforming vector, and transmitting information to the communications device. The reference signal being transmitted using a subset of antennas used for data reception at the communications device, and the controller and the communications device utilize cross-polarized antennas. The computing being based on the channel statistics, the transmitting uses the first beamforming vector and the second beamforming vector, the first beamforming vector precodes information for a first antenna at the communications device, and the second beamforming vector precodes information for a second antenna at the communications device.
Abstract: A system and method for interference mitigation in a wireless communications system are provided. A method for interference mitigation in a controller includes coordinating with other controllers to establish a cooperative agreement, receiving information from a communications device served by the controller, scheduling a transmission opportunity for the communications device based on an indicator and the cooperative agreement, and receiving a transmission from the communications device at the scheduled transmission opportunity.
Abstract: A system and method for low overhead paging in a wireless communications system is provided. A method for controller operation includes generating a compressed map, receiving an incoming call intended for a communications device, and broadcasting the compressed map to communications devices served by the controller. The compressed map includes indications of paging groups of the controller.
Abstract: A system and method for cooperative spectrum sensing in cognitive radio (CR) systems is provided. A method for CR user operation includes coordinating with partner CR users to share spectrum sensing information, combining spectrum sensing information from partner CR users, and determining if a transmission opportunity exists based on the combined spectrum sensing information. The method also includes transmitting a message to a CR user if the transmission opportunity exists, and storing the message if the transmission opportunity does not exist.
Type:
Application
Filed:
March 19, 2010
Publication date:
September 30, 2010
Applicant:
FutureWei Technologies, Inc.
Inventors:
Dongdong Li, Dandan Wang, Mazin Al-Shalash, Anthony C.K. Soong, Guodong Zhao, Chenyang Yang
Abstract: A system and method for multiple input, multiple output (MIMO) uplink (UL) layer mapping is provided. A method for mapping modulation symbols to multiple input, multiple output (MIMO) layers includes receiving a first set of modulation symbols corresponding to a first transport block, partitioning the first set of modulation symbols into M1 parts, assigning each of the M1 parts to one of the M1 MIMO layers, and transmitting the modulation symbols mapped onto the M1 MIMO layers. The first transport block includes a plurality of code blocks, all modulation symbols of at least one code block belongs to a single part, and M1 is a positive integer value greater than one.