Patents Assigned to FutureWei Technologies
  • Radio frequency low noise amplifier load circuit
    Patent number: 8761707
    Abstract: A circuit comprising a transconductor amplifier, and a load connected to the transconductor amplifier, wherein the load comprises a load transistor that is passively biased.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: June 24, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventors: Lawrence Connell, William Roeckner, Terrie McCain, Matthew Miller
  • Link state fast flood with computed multi-protocol-label-switching (MPLS) broadcast tree
    Patent number: 8761053
    Abstract: A link state network comprising a plurality of interconnected nodes, and a multiprotocol label switching (MPLS) tree established amongst at least some of the interconnected nodes, wherein the MPLS tree is associated with an MPLS label, and wherein the interconnected nodes are configured to deterministically forward a plurality of link state update (LSU) packets comprising the MPLS label over the MPLS tree.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: June 24, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventor: Peter Ashwood-Smith
  • Relay backhaul in wireless communication
    Patent number: 8761074
    Abstract: In one embodiment, a method for wireless communication includes transmitting a first system information for a subframe structure from a controller to a relay node. The first system information includes radio resource configuration for a downlink backhaul link. The subframe structure includes a physical downlink control channel (PDCCH) region for user equipments and a separate relay physical downlink control channel (R-PDCCH) region for relay nodes.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: June 24, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventors: Yufei Blankenship, Jianmin Lu, Zhongfeng Li
  • Method for accounting information handling in an interworking
    Patent number: 8762232
    Abstract: A method for accounting information handling in an interworking is provided. A method for processing accounting information by a gateway device includes sending an accounting request message to a first electronic device, and receiving a response message from a first electronic device, the response message responsive to the accounting request message. The accounting request message is related to a communications device attached to the first network. The method also includes processing accounting information. The processing is based on the response message, the gateway device and the first electronic device are part of the first network, the communications device is accessing a second network through the first network, and the communications device has a subscription only with the second network.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: June 24, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventor: Hanan Ahmed
  • Method and apparatus for adaptive forwarding strategies in content-centric networking
    Patent number: 8762570
    Abstract: A named-data networking (NDN) node, comprising a plurality of faces each of which is coupled to a different node in a content-centric network, and a processor coupled to the faces, wherein the processor is configured to probe the performance of each of the faces for an interest, wherein the interest is associated with multiple ones of the faces, wherein a next-hop is identified by the face, wherein a one of the faces associated with the interest is used to forward the interest when the interest is received by the NDN node, and wherein the one of the faces used is determined based on a selection probability determined from feedback from the probe of the performance of the faces.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: June 24, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventors: Haiyang Qian, Ravishankar Ravindran, Guo-Qiang Wang
  • Wavelength assignment for multiple operator support
    Patent number: 8761611
    Abstract: An apparatus comprising a plurality of optical line terminals (OLTs) corresponding to different providers that share an optical distribution network (ODN), a plurality of optical network units (ONUs) coupled to the OLTs via the same ODN and configured to communicate with the different OLTs using different corresponding pairs of upstream and downstream channels, wherein the upstream and downstream channels are interleaved across a plurality of wavelength bands and comprise a sequence of alternating and contiguous upstream and downstream channels, are aligned with a plurality of wavelength division multiplexing (WDM) channels, and satisfy a plurality of design requirements for the OLTs and ONUs.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: June 24, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventor: Yuanqiu Luo
  • Method for collaborative caching for content-oriented networks
    Patent number: 8762477
    Abstract: A content router comprising a plurality of interfaces configured to receive and forward a plurality of interests for content and content data in a content oriented network (CON), a cache configured to store content data, and a memory component configured to maintain a forward information base (FIB) that associates content with one or more interfaces on which the interests and content data are received and forwarded, and an availability FIB (AFIB) that associates content data with one or more corresponding collaborative caching routers in the CON that cache the content data.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: June 24, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventors: Haiyong Xie, Guangyu Shi, Shuo Guo
  • Systems and Methods to Achieve Fairness in Wireless LANs for Cellular Offloading
    Publication number: 20140169339
    Abstract: System and method embodiments are included to provide various degrees of time allocation fairness to users using varying target transmission opportunity (TXOP) values. In one embodiment, a method for promoting various degrees of fairness for users in a wireless network includes assigning a target TXOP value for one or more users in the wireless network, wherein the target TXOP value indicates a number of time units for transmissions to be met on average over time by the one or more users, and transmitting the target TXOP value to the one or more users. In another embodiment, a method includes receiving a TXOP value from the wireless network, wherein the target TXOP value indicates a number of time units allocated for transmissions, and transmitting traffic over a plurality of time periods that have an average duration about equal to the number of time units.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 19, 2014
    Applicant: FutureWei Technologies, Inc.
    Inventors: Ho-Ting Cheng, Osama Aboul-Magd, Sheng Sun, Junghoon Suh, Kwok Shum Au
  • Power Efficiency of a Line Driver
    Publication number: 20140169552
    Abstract: An apparatus comprising a first line driver, a second line driver, a charge pump, and a control logic circuit coupled to the first line driver and the second line driver and configured to disable the charge pump when both a first control signal associated with the first line driver and a second control signal associated with the second line driver indicate a charge pump disable state. A network component comprising at least one processor configured to implement a method comprising receiving a first control signal and a second control signal, disabling a charge pump when both the first control signal and the second control signal indicate a charge pump disable state, and operating the charge pump to boost a voltage when the first control signal, the second control signal, or both indicate a charge pump active state.
    Type: Application
    Filed: January 28, 2014
    Publication date: June 19, 2014
    Applicant: Futurewei Technologies, Inc.
    Inventors: Ruijie Xiao, Guozhu Long, Zhilei Zhao
  • System and Method for Video Detection and Tracking
    Publication number: 20140169663
    Abstract: System and method embodiments are provided to enable features and functionalities for automatically detecting and localizing the position of an object in a video frame and tracking the moving object in the video over time. One method includes detecting a plurality of objects in a video frame using a combined Histograms of Oriented Gradients (HOG) and Local Binary Pattern (LBP) algorithm, highlighting the detected objects, and tracking one of the detected objects that is selected by a user in a plurality of subsequent video frames. Also included is a user device configured to detect a plurality of objects in a video frame displayed on a display screen coupled to the user device using a combined HOG and LBP algorithm, highlight the detected objects, and track one of the detected objects that is selected by a user in a plurality of subsequent video frames on the display screen.
    Type: Application
    Filed: December 19, 2012
    Publication date: June 19, 2014
    Applicant: FutureWei Technologies, Inc.
    Inventors: Xu Han, Dong-Qing Zhang, Hong Heather Yu
  • Systems and Methods for Open-loop Spatial Multiplexing Schemes for Radio Access Virtualization
    Publication number: 20140169409
    Abstract: System and method embodiments are provided for open-loop spatial multiplexing for radio access virtualization. In an embodiment, a system includes a plurality of antenna ports and a processor coupled to the plurality of antenna ports and configured to spread a spreading sequence over at least a portion of the plurality of antenna ports in a spatial domain, wherein the processor is configured to cause the antenna ports to transmit multiple spreading sequences simultaneously by sequence superposition.
    Type: Application
    Filed: May 22, 2013
    Publication date: June 19, 2014
    Applicant: FutureWei Technologies, Inc.
    Inventors: Jianglei Ma, Hosein Nikopour, Alireza Bayesteh, Ming Jia, Peiying Zhu
  • Method and Apparatus for Policy Based Routing in Information Centric Networking Based Home Networks
    Publication number: 20140173076
    Abstract: A network node, comprising a receiver configured to receive a request for a service, wherein the request comprises a hierarchically structured name comprising a root and a suffix, a data storage component comprising a network synchronized policy rule associated with a service name root, wherein the network synchronized policy rule is applied to any request for a service whose name comprises a root matching the service name root, and a processor coupled to the receiver and to the data storage component, wherein the processor is configured to apply the network synchronized policy rule to the request, wherein the processor is configured to synchronize service definitions and service policies with other nodes in a network based on the name of the service, and wherein the network synchronized policy rule is synchronized with the other nodes in the network using name-based routing.
    Type: Application
    Filed: December 31, 2012
    Publication date: June 19, 2014
    Applicant: Futurewei Technologies, Inc.
    Inventors: Ravishankar Ravindran, Guo-Qiang Wang, Xinwen Zhang, Asit Chakraborti, Trisha Biswas
  • System and Method for Terminal Cooperation Based on Sparse Multi-Dimensional Spreading
    Publication number: 20140169239
    Abstract: System and method embodiments are provided to achieve efficient Direct Mobile Communications (DMC) and device-to-device (D2D) communications for terminal based groups with improved spectrum efficiency, reduced interference, and virtual full duplex operation mode. The embodiments include a distributed mechanism for D2D communications that enables one or more cooperating UEs (CUEs) to help one or more target UEs (TUEs) with limited additional signaling overhead and relatively simple implementation. The mechanism comprises a grantless multi-dimensional multiplexing scheme that uses low density spreading (LDS) over time, frequency, and/or space domains to enable data forwarding between multiple half-duplex terminals or UEs while allowing the UEs to operate in virtual full-duplex mode.
    Type: Application
    Filed: April 12, 2013
    Publication date: June 19, 2014
    Applicant: FutureWei Technologies, Inc.
    Inventors: Amine Maaref, Mohammadhadi Baligh, Jianglei Ma
  • Content Based Traffic Engineering in Software Defined Information Centric Networks
    Publication number: 20140173018
    Abstract: A method implemented by a network controller, the method comprising obtaining metadata of a content, wherein the content is requested by a client device, allocating one or more network resources to the content based on the metadata of the content, and sending a message identifying the allocated network resources to a switch to direct the content to be served to the client device, wherein the switch is controlled by the network controller and configured to forward the content to the client device using the allocated network resources.
    Type: Application
    Filed: December 13, 2013
    Publication date: June 19, 2014
    Applicant: Futurewei Technologies, Inc.
    Inventors: Cedric Westphal, Abhishek Chanda
  • System and Method for Finding Partially Disjoint Paths for Spare Capacity Allocation in Shared Backup Path Protection for Dual Fiber Cuts
    Publication number: 20140169159
    Abstract: System and method embodiments are provided herein to obtain minimum or optimal spare capacity allocation (SCA) using partial disjoint paths (PDP) for bi-connected network topology. Both an integer linear programming (ILP) optimization model and an approximation algorithm, referred to herein as Successive Survivable Routing (SSR), are formulated for resolving the SCA with PDP. The embodiments include assigning a working path and a primary backup path on two disjoint routes between two end nodes, and assigning a plurality of secondary backup paths that are partially disjoint and that each pass through one fiber cut group on one of the two disjoint routes and all remaining fiber cut groups on the other one of the two disjoint routes. Each of the fiber cut groups includes all fiber cut pairs on both disjoint routes that have the same effect of interrupting a flow on both disjoint routes.
    Type: Application
    Filed: March 8, 2013
    Publication date: June 19, 2014
    Applicant: FutureWei Technologies, Inc.
    Inventor: Victor Yu Liu
  • System and method for compact descriptor for visual search
    Patent number: 8755605
    Abstract: A method and an apparatus for processing an image generates, using a linear embedding operator, a second set of feature points from a first set of feature points of the image, so that a pair-wise nearest neighbor (NN) topological relationship among the first set of feature points is preserved in the second set of feature points. The linear embedding operator is determined by an affinity model comprising a first affinity parameter, a second affinity parameter, and an affinity matrix, wherein a sparsity of the affinity matrix is controlled by the first affinity parameter and the second affinity parameter.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: June 17, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventors: Xin Xin, Zhu Li, Aggelos K. Katsaggelos
  • System and method for video caption re-overlaying for video adaptation and retargeting
    Patent number: 8754984
    Abstract: In accordance with an embodiment, a method of processing an electronic image having caption text includes receiving the electronic source image, detecting the caption text in the electronic source image, reformatting the electronic source image, reformatting the caption text, and overlaying the reformatted caption text on the reformatted electronic image to form a resultant image.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: June 17, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventors: Dong-Qing Zhang, Hong Heather Yu
  • Security mode for mobile communications devices
    Patent number: 8756669
    Abstract: A system and method of implementing a security mode in a mobile communications device, including a mobile communications device comprising a processor, and a computer readable storage medium storing programming for execution by the processor, the programming including instructions to activate a security mode of the mobile communications device, and pursuant to activation of the security mode, disable a first class of features of the mobile communications device, wherein other features of the mobile communications device remain enabled after activation of the mobile security.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: June 17, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventor: Richard Malinowski
  • Linearity improvement over temperature using temperature dependent common-mode voltages in active mixer
    Patent number: 8754700
    Abstract: A mixer comprising a Gilbert cell configured to receive a baseband signal and a local oscillator signal, wherein the Gilbert cell comprises a baseband transistor and a local oscillator transistor, and a biasing circuit configured to generate a bias voltage that is inversely related to temperature and coupled to the local oscillator transistor.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: June 17, 2014
    Assignee: Futurewei Technologies, Inc.
    Inventor: Yoonhyuk Ro
  • Enhanced Upstream Label Assignment (ULA) Mechanism For Point To Multi-Point (P2MP) and/or Multi-Point To Multi-Point (MP2MP) Facility Protection
    Publication number: 20140161124
    Abstract: A computer program product comprising computer executable instructions stored on a non-transitory medium of an upstream node in a network system comprising a plurality of nodes that when executed by a processor cause the node to advertise an upstream assigned label to a downstream node, receive a message from the downstream node, and if the received message confirms that no conflict with the upstream assigned label exists at the downstream node, assign the upstream-assigned label, or if the received message confirms that a conflict with the upstream-assigned label exists at the downstream node, either select a new upstream-assigned label or wait until indication is received that the label resource has become available.
    Type: Application
    Filed: January 25, 2013
    Publication date: June 12, 2014
    Applicant: Futurewei Technologies, Inc.
    Inventors: Qianglin Quintin Zhao, Katherine Zhao, Tao Zhou, Ying Chen