Patents Assigned to FutureWei Technologies
  • Patent number: 9231361
    Abstract: A monolithically integrated thermal tunable laser comprising a layered substrate comprising an upper surface and a lower surface, and a thermal tuning assembly comprising a heating element positioned on the upper surface, a waveguide layer positioned between the upper surface and the lower surface, and a thermal insulation layer positioned between the waveguide layer and the lower surface, wherein the thermal insulation layer is at least partially etched out of an Indium Phosphide (InP) sacrificial layer, and wherein the thermal insulation layer is positioned between Indium Gallium Arsenide (InGaAs) etch stop layers.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Hongmin Chen, Xuejin Yan, Rongsheng Miao, Xiao Shen, Zongrong Liu
  • Patent number: 9231726
    Abstract: A network component comprising at least one processor configured to implement a method comprising transmitting a request to compute a routing assignment, a wavelength assignment, or both for a signal in a wavelength switched optical network, wherein the request comprises a lightpath constraint and wherein the request is transmitted using a path computation element protocol. Also disclosed is a network comprising a first path computation element (PCE) and a path computation client (PCC) in communication with the PCE, wherein the PCC is configured to send a request to and receive a reply from the PCE using a PCE protocol, wherein the request comprises a lightpath constraint. Included is a method comprising sending a discovery advertisement to the at least one PCE that calculates a wavelength assignment, receiving a response comprising a PCE capability information from the PCE, wherein the request and the reply are communicated via a PCE protocol.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Young Lee, Greg Bernstein
  • Patent number: 9231851
    Abstract: Disclosed is an apparatus comprising a plurality of path computation elements (PCEs) associated with a plurality of inter-coupled domains and configured to communicate with a path computation client (PCC) associated with one of the domains and to implement a Forward Search Path Computation (FSPC) for a preferred path crossing the domains from a source node in a source domain of the plurality of inter-coupled domains to a destination node in a destination domain of the plurality of inter-coupled domains, wherein the preferred path is computed without using a determined order of the domains from the source domain to the destination domain.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventor: Huaimo Chen
  • Patent number: 9231861
    Abstract: A method for providing ingress fault protection in a label switched network, comprising sending data traffic from a source node to a first label switched path (LSP) via a first ingress node, detecting a first fault using a first fault detection link between the source node and the first ingress node, sending the data traffic from the source node to a second LSP via a second ingress node in response to detecting the first fault, detecting a second fault using a second fault detection link between the first ingress node and the second ingress node, and merging the data traffic from the second LSP into the first LSP at a next-hop node of the first ingress node, wherein the data traffic is no longer sent to the first LSP via the first ingress node after the first fault.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventor: Huaimo Chen
  • Patent number: 9232361
    Abstract: A method for transmitting to a plurality of responder stations includes transmitting a first direct link setup request message to a first responder station via an access point, the first direct link setup request message including a first group identifier, the first group identifier being received from a communications controller and being associated with the first responder station, and transmitting a second direct link setup request message to a second responder station via the access point, the second setup request message including a second group identifier, the second group identifier being received from the communications controller and being associated with the second responder station. The method also includes transmitting data to the first responder station and the second responder station in a single transmission.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: George Calcev, Osama Aboul-Magd, Bin Chen
  • Patent number: 9231667
    Abstract: A system and method for a LTE network device is provided. The system includes a first signal processing center configured to obtain a plurality of metrics from an LTE network device. The first signal processing center includes a plurality of processors configured to calculate interference based on the plurality of metrics. The signal processing system further includes a second signal processing center configured to receive the calculated interference from the first signal processing center.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventor: Yiqun Ge
  • Patent number: 9231848
    Abstract: Embodiments of the present invention provide a novel solution that enables traditional network management services to be automated without requiring the standard user oversight often required by conventional networking systems. Embodiments of the present invention are operable to utilize in-band communications used by network devices within an existing Layer 2 network to automatically generate a virtualized Layer 2 management network. By using MAC address learning procedures and/or generating a logical convergence state for an existing physical Layer 2 network, embodiments of the present invention can generate a virtual layer 2 network interface that facilitates automatic network connectivity for new and/or existing network devices. As such, embodiments of the present invention can enable communication between various network layers (e.g., Layer 3/Layer 4 networks) that allows network devices to be bootstrapped to an existing network infrastructure in a manner that requires no configuration.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventor: Fangping Liu
  • Patent number: 9231852
    Abstract: In an embodiment, the disclosure includes an apparatus comprising a data store which comprises cost data associated with use of a path in a communications network. The data store also comprises power consumption data associated with the use of the path. The apparatus further comprises at least one processor configured to determine a score for the path based on the cost data and the power consumption data. The disclosure also includes an apparatus comprising a path computation element (PCE) configured to receive data from a plurality of network elements (NEs). The data comprises cost and power consumption data for establishing a path between a plurality of the NEs. The PCE is configured to determine a score for the path based on the cost and power consumption data.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Mingui Zhang, Jie Dong, Sam K. Aldrin, Young Lee
  • Patent number: 9231754
    Abstract: An apparatus comprising a customer node configured to couple to an access node and to receive via a channel from the access node a time of day (TOD) value and a corresponding sample index (SNUM) value, wherein the TOD value and the SNUM value are used to estimate a second time of day (TOD?) value based on a propagation delay of the channel (L-Delay), and wherein the TOD value and the TOD? value are used to estimate a second SNUM value (SNUM?) based on L-Delay and a plurality of parameters.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Dong Wei, Guozhu Long, Jianhua Liu, Guijin Xu, Anni Wu
  • Patent number: 9232456
    Abstract: System and method embodiments are provided for transmitting a packet to a wireless device using a partial identifier. The embodiments enable communication using partial addresses with reduced risk of collision between two devices that share the same partial identifier. In an embodiment, a method includes determining at the first wireless station a scrambled identifier for a second wireless station according to a synchronized time and a partial identifier corresponding to one of the first wireless station and the second wireless station, wherein the synchronized time is synchronized with a time in the second wireless station, and wherein the partial identifier comprises a portion of a device identifier for at least one of the first wireless station and the second wireless station, and transmitting a packet to the second wireless station, wherein the packet comprises a payload and a header, and wherein the header comprises the scrambled identifier.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Younghoon Kwon, Yunsong Yang, Zhigang Rong, Zhiming Ding
  • Patent number: 9225984
    Abstract: A video codec comprising a processor computing an average of a plurality of reconstructed chroma samples located in neighboring blocks of a chroma block and adjacent to the chroma block, computing an intermediate variable by applying an integer function on the average of the reconstructed chroma samples, and generating a predicted chroma sample for the chroma block based on the intermediate variable.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: December 29, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventor: Lingzhi Liu
  • Patent number: 9226171
    Abstract: A wireless local area network (WLAN) device comprising a processor, a transceiver coupled to the processor, a switching mechanism coupled to the transceiver, a beamforming antenna assembly coupled to the switching mechanism, and a multiple input, multiple output (MIMO) antenna assembly coupled to the switching mechanism. Included is an apparatus comprising a processor and a memory coupled to the processor, wherein the memory comprises instructions that cause the processor to calibrate a WLAN device, select an optimal antenna configuration, track the WLAN device performance, and wait for a triggering event. Also included is an adaptive antenna method comprising calibrating a WLAN device, selecting an optimal antenna configuration, tracking the WLAN device performance, and waiting for a triggering event.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: December 29, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventor: Saeid Safavi
  • Patent number: 9225668
    Abstract: A method comprising advertising to a second node a total allocation of storage space of a buffer, wherein the total allocation is less than the capacity of the buffer, wherein the total allocation is partitioned into a plurality of allocations, wherein each of the plurality of allocations is advertised as being dedicated to a different packet type, and wherein a credit status for each packet type is used to manage the plurality of allocations, receiving a packet of a first packet type from the second node, and storing the packet to the buffer, wherein the space in the buffer occupied by the first packet type exceeds the advertised space for the first packet type due to the packet.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: December 29, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventors: Iulin Lih, Chenghong He, Hongbo Shi, Naxin Zhang
  • Patent number: 9223840
    Abstract: An embodiment computing device operating in a data storage system includes an object storage controller operable to divide an object into blocks and to create an object hash from hash values, and a network interface in communication with the object storage controller, the network interface operable to transmit the blocks to a storage subsystem that generates one of the hash values from each of the blocks, to receive the hash values from the storage subsystem, and to provide the hash values to the object storage controller for creation of the object hash from the hash values. In an embodiment, the object storage controller is operably coupled to a processor and a memory or stored on a computer readable medium.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: December 29, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventors: John Plocher, Xitao Zheng, James Hughes
  • Patent number: 9225453
    Abstract: An optical receiver comprises an optical port configured to receive an encoded optical signal, and a demodulation block indirectly coupled to the port and comprising a multiplexer, wherein the multiplexer is configured to receive an encoded electrical signal, wherein the encoded electrical signal is associated with the encoded optical signal, and wherein the encoded electrical signal is encoded using a code division multiple access (CDMA) scheme, receive a code associated with the scheme, perform a dot multiplication of the encoded electrical signal and the code, and generate a differential voltage based on the dot multiplication.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: December 29, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventor: Liming Fang
  • Publication number: 20150372384
    Abstract: A mobile device including a housing having a distal end, and electronics disposed in the housing configured to operate the mobile device. A connector is coupled to the electronics, and a Pi-shaped antenna has a coupling coupled to the connector to create a resonance using the connector. The Pi-shaped antenna and the connector are configured to wirelessly send and receive the wireless signals. An impedance matching network matches the impedance of the electronics to the Pi-shaped antenna. In some embodiments, the impedance matching network is switchable by the electronics and is configured to match an impedance of the electronics to the Pi-shaped antenna in at least two states, over multiple RF bands.
    Type: Application
    Filed: September 1, 2015
    Publication date: December 24, 2015
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Hongwei LIU, Ning MA
  • Publication number: 20150372762
    Abstract: An apparatus comprising a digital signal processor (DSP) configured to code a plurality of data sub-streams using a plurality of modulation formats to generate a plurality of coded data symbols, wherein each modulation format leads to a unique bit rate for coded data symbols associated with a modulation format, transform the coded data symbols into a frequency domain by applying Fourier transform on each coded data symbol, map the frequency-transformed data symbols onto a plurality of subcarrier signals associated with a plurality of frequency tones, wherein at least two of the subcarrier signals correspond to different modulation formats, and generate an electrical signal in a time domain based on the subcarrier signals.
    Type: Application
    Filed: May 5, 2014
    Publication date: December 24, 2015
    Applicant: Futurewei Technologies, Inc.
    Inventors: Zhuhong Zhang, Chuandong Li, Zhiping Jiang
  • Patent number: 9219614
    Abstract: An apparatus comprising a memory, and a processor coupled to the memory and configured to transmit a multicast Resource Reservation Protocol-Traffic Engineering (mRSVP-TE) path request (PATH) message upstream, wherein the PATH message requests reservation of a backup Label Switched Path (LSP) to protect an active LSP configured to transmit multicast data. The disclosure also includes a computer program product comprising computer executable instructions stored on a non-transitory computer readable medium such that when executed by a processor cause a network element (NE) to receive a multicast PATH message from a downstream node, wherein the NE acts as a Point of Local Repair (PLR) along an active LSP, wherein the active LSP is configured to transmit multicast data, and wherein the PATH message requests reservation of a backup LSP to protect the active LSP.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: December 22, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventors: Katherine Zhao, Ying Chen, Qianglin Quintin Zhao, Tao Zhou, Renwei Li, Lin Han
  • Patent number: 9219566
    Abstract: A system for supporting wavelength management in a passive optical network (PON), comprising an optical line terminal (OLT) configured to send an wavelength assignment for optical network unit (ONU) communications based on a wavelength tunability capability, and an ONU coupled to the OLT and configured to send the wavelength tunability capability to the OLT, wherein the wavelength assignment and the wavelength tunability capability are sent in media access control (MAC) messages. Also disclosed is an apparatus of an OLT for supporting wavelength management, comprising one or more component configured to couple to an ONU and exchange a wavelength assignment for transmission with the ONU based on a wavelength tunability of the ONU, wherein the wavelength indication and the wavelength tunability are exchanged via MAC layer frames.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: December 22, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventors: Yuanqiu Luo, Frank J. Effenberger
  • Patent number: 9213567
    Abstract: In accordance with an embodiment a method of running a virtual machine on a server includes controlling data path resources allocated to the virtual machine using a first supervisory process running on the server, controlling data path resources comprising controlling a data path of a hardware interface device coupled to the server, and controlling control path and initialization resources of the hardware interface device using a second process running on the server, where the second process is separate from the first supervisory process.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: December 15, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventor: Kaushik C. Barde