Patents Assigned to FutureWei Technologies
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Patent number: 9054767Abstract: A system is provided for optimizing throughput in a communication system. During operation, the system receives, at a first antenna, estimated channel state information (CSI) at least one channel between the first antenna and at least one second antenna. The system obtains antenna correlation information associated with the first antenna and the second antenna, respectively. The system further calculates a set of noise terms associated with random noise for the at least one channel, and optimizes a configuration of beamformers for the first antenna and the at least one second antenna that maximizes a throughput of all antennas, in accordance with the estimated CSI, the obtained antenna correlation information, and the noise terms.Type: GrantFiled: July 24, 2012Date of Patent: June 9, 2015Assignee: Futurewei Technologies, Inc.Inventors: Meisam Razaviyayn, Mohammadhadi Baligh, Aaron Callard, Zhi-Quan Luo
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Patent number: 9055578Abstract: Encoded control information can be mapped to an enhanced physical downlink control channel (ePDCCH) search space of a user equipment (UE) in accordance with an offset and aggregation level. The ePDCCH search space may include a physical resource block (PRB) set located in a data region of a downlink subframe. The encoded control information may be mapped into one or more enhanced control channel elements (eCCEs) of the ePDCCH search space beginning from a starting location. The starting location is an eCCE location within the PRB set. The PRB set, as well as the starting/eCCE location within the PRB set, are identified in accordance with an offset associated with the UE. A number of eCCEs carrying encoded information corresponds to an aggregation level.Type: GrantFiled: March 13, 2013Date of Patent: June 9, 2015Assignee: Futurewei Technologies, Inc.Inventors: Philippe Sartori, Vipul Desai, Brian Classon
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Patent number: 9054024Abstract: An integrated circuit package includes a substrate having a recess formed along at least a portion of a perimeter of the substrate, and an optical die having opto-electric circuitry, the optical die coupled to the substrate such that a portion of the optical die with the opto-electric circuitry overhangs the recess. The integrated circuit package also includes an optical unit disposed in the recess such that optical signals emitted by the opto-electric circuitry are reflected away from the substrate and incident optical signals are reflected onto the opto-electric circuitry.Type: GrantFiled: February 13, 2012Date of Patent: June 9, 2015Assignee: Futurewei Technologies, Inc.Inventors: Fei Yu, Qi Deng
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Publication number: 20150155835Abstract: A method for implementing envelope tracking (ET), the method comprising switching from a receiver (Rx) radio frequency (RF) path to a supply sensing path during factory calibration, sensing the power amplifier (PA)'s supply voltage via the supply sensing path, comparing the PA's supply voltage to a corresponding reference supply voltage, determining the difference between the PA's supply voltage and the corresponding reference supply voltage, and updating one or more parameters used to perform a PA load pre-distortion during factory calibration, wherein the PA load pre-distortion is used to match the PA's supply voltage to the corresponding reference supply voltage.Type: ApplicationFiled: December 2, 2013Publication date: June 4, 2015Applicant: Futurewei Technologies, Inc.Inventors: Wael Al-Qaq, Hong Jiang, Zhihang Zhang
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Publication number: 20150155836Abstract: An apparatus for providing envelope tracking (ET), comprising: a power amplifier (PA) load variation pre-distortion, and an open loop ET modulator operatively coupled to the PA load variation pre-distortion, wherein the PA load variation pre-distortion is configured to determine a load variation at a PA supply voltage path based on an input signal received by a PA, and generate a pre-distortion compensation signal using the load variation, and wherein the open loop ET modulator is configured to generate a PA supply voltage on the PA supply voltage path using the pre-distortion compensation signal.Type: ApplicationFiled: December 2, 2013Publication date: June 4, 2015Applicant: Futurewei Technologies, Inc.Inventors: Pallab Midya, Wael Al-Qaq, Hong Jiang
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Publication number: 20150154230Abstract: A computer program product comprising computer executable instructions stored on a non-transitory computer readable medium such that when executed by a processor, causes the processor to identify an object of interest in a visual media element, analyze the object of interest according to a defined set of rules to form a recommendation for improvement of the visual media element, and recommend the improvement to the visual media element to a user. A method comprising receiving a visual media element as an input, determining a relevant object of interest within the visual media element, analyzing an aesthetic appearance of the relevant object of interest according to a guideline, and recommending a change to the visual media element for conforming to the guideline.Type: ApplicationFiled: December 3, 2013Publication date: June 4, 2015Applicant: Futurewei Technologies, Inc.Inventors: John Wus, Dong-Qing Zhang, Zhenyu Wu, Hongbing Li, Hong Heather Yu
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Patent number: 9047666Abstract: A mobile device comprising a processor configured to merge a plurality of images each having a distinct focus position in a scene to generate a focus-stacked image that encompasses all focus positions of the plurality of images. Also, an apparatus comprising a camera configured to capture a plurality of color images for one scene each with a distinct focus distance and a processor configured to register the plurality of color images to generate a plurality of registered color images, generate a plurality of luminance (Y) channels from the plurality of registered color images, and stack the plurality of Y channels to generate a focus-stacked Y channel.Type: GrantFiled: March 12, 2013Date of Patent: June 2, 2015Assignee: Futurewei Technologies, Inc.Inventors: Lulin Chen, Meng Liu, Xudong Song
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Patent number: 9047875Abstract: In accordance with an embodiment, a method of decoding an encoded audio bitstream at a decoder includes receiving the audio bitstream, decoding a low band bitstream of the audio bitstream to get low band coefficients in a frequency domain, and copying a plurality of the low band coefficients to a high frequency band location to generate high band coefficients. The method further includes processing the high band coefficients to form processed high band coefficients. Processing includes modifying an energy envelope of the high band coefficients by multiplying modification gains to flatten or smooth the high band coefficients, and applying a received spectral envelope decoded from the received audio bitstream to the high band coefficients. The low band coefficients and the processed high band coefficients are then inverse-transformed to the time domain to obtain a time domain output signal.Type: GrantFiled: July 18, 2011Date of Patent: June 2, 2015Assignee: Futurewei Technologies, Inc.Inventor: Yang Gao
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Patent number: 9049653Abstract: In one embodiment of the invention, a method for wireless communication includes receiving a packet destined to a destination node at a first egress router. The destination node is supported by a second egress router. A destination address of the packet is the first egress router. The received packet is redirected to the second egress router.Type: GrantFiled: June 29, 2010Date of Patent: June 2, 2015Assignee: Futurewei Technologies, Inc.Inventors: Hinghung Anthony Chan, Justin Zengjun Xiang
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Patent number: 9049145Abstract: Methods and apparatuses are provided for searching a least-cost path between a source node and a destination node in a communication network. A set of costs associated with least-cost paths from the source node to a set of intermediate nodes is first determined. A least-cost path in a reverse direction from the destination node to an intermediate node is also determined. The intermediate node is selected based at least on a first cost associated with the least-cost path from the destination node to the intermediate node, and a second cost associated with a least-cost path from the source node to the intermediate node that was first determined. Accordingly, the least-cost path between the source node and the destination node might then be calculated by using the second cost as heuristic information.Type: GrantFiled: June 18, 2008Date of Patent: June 2, 2015Assignee: Futurewei Technologies, Inc.Inventors: Renwei Li, Bin Xiao
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Patent number: 9049251Abstract: An internet protocol (IP) content router, comprising a forwarding information base (FIB) engine comprising a data store comprising forwarding instructions, an IP packet classifier comprising a processor configured to classify a first incoming IP packet as an information centric networking (ICN) packet and a second incoming IP packet as a non-ICN packet, and an IP packet processor comprising a processor, wherein the IP packet processor is coupled to the FIB engine and to the IP packet classifier, wherein the IP packet processor is configured to intercept the ICN packet for further ICN processing in the IP content router, consult the FIB engine for forwarding instructions for the non-ICN packet, and forward the non-ICN packet according to the forwarding instructions.Type: GrantFiled: August 20, 2012Date of Patent: June 2, 2015Assignee: Futurewei Technologies, Inc.Inventors: Ravishankar Ravindran, Guo-Qiang Wang
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Publication number: 20150146623Abstract: A system and method for multiple point transmission in a communications system are provided. A method for multiple point transmission operation comprises modifying a configuration of a radio bearer for use in a multiple point transmission to a user equipment according to operating condition information of the user equipment, reconfiguring the radio bearer according to the modified configuration, and initiating a multiple point transmission to the user equipment using the reconfigured radio bearer.Type: ApplicationFiled: February 4, 2015Publication date: May 28, 2015Applicant: FUTUREWEI TECHNOLOGIES, INC.Inventors: Hao Bi, Yishen Sun
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Patent number: 9042933Abstract: For each base station, transmit power level variables (I values) for each resource block allocated by the base station are initialized. The I values are used in a model to find sub-gradients for each base station. Neighboring base stations exchange the sub-gradients. For each base station, the base station's sub-gradient and the base station's neighbors' sub-gradients are used in the model to update the I values. Neighboring base stations then exchange the updated I values. For each base station, the base station's updated I value and the base station's neighbors' updated I values are used in the model to update the initial sub-gradients. The updated sub-gradients are then exchanged and used for another update of the I values. After a number of iterations, the I values are used to establish a transmit power level per resource block.Type: GrantFiled: April 3, 2012Date of Patent: May 26, 2015Assignee: Futurewei Technologies, Inc.Inventors: Akram Bin Sediq, Rainer Schoenen, Halim Yanikomeroglu, Gamini Senarath, Zhijun Chao, Ho Ting Cheng, Peiying Zhu
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Patent number: 9042288Abstract: A system and method are provided for traffic signaling in wireless or sensor networks. The system and method use information or bits in a Signal Field (SIG) of Physical Layer (PHY) preamble in a packet to provide traffic control information. An embodiment method implemented by a network component comprises indicating a traffic direction and a traffic type for traffic control in a SIG in a frame and transmitting the frame including the SIG. Another method comprises receiving in a frame a SIG for traffic control that indicates a transmission type and decoding the SIG field to determine whether to process remaining information in the frame if the frame comprises data payload or a Media Access Control (MAC) header.Type: GrantFiled: November 30, 2012Date of Patent: May 26, 2015Assignee: Futurewei Technologies, Inc.Inventors: George Calcev, Bin Chen, Lin Cai
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Patent number: 9042397Abstract: An apparatus comprising a chip comprising a plurality of nodes, wherein a first node from among the plurality of nodes is configured to receive a first flit comprising a first timestamp, receive a second flit comprising a second timestamp, determine whether the first flit is older than the second flit based on the first timestamp and the second timestamp, transmit the first flit before the second flit if the first flit is older than the second flit, and transmit the second flit before the first flit if the first flit is not older than the second flit.Type: GrantFiled: December 1, 2011Date of Patent: May 26, 2015Assignee: Futurewei Technologies, Inc.Inventors: Rohit Sunkam Ramanujam, Sailesh Kumar, William Lynch
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Patent number: 9042294Abstract: A system and method for relaying transmissions in wireless communications is provided. A method for combined relay node operation includes determining an operating mode of the combined relay node, where the combined relay node includes a repeater and a relay. The method also includes if the operating mode is repeater on mode, amplifying and forwarding received signals, and storing subframes, where subframes are demodulated and decoded versions of the received signals. The method further includes if the operating mode is repeater off mode, amplifying and forwarding a control zone of signals received while the operating mode is repeater off mode, and transmitting subframes stored while the operating mode is repeater on mode.Type: GrantFiled: March 3, 2010Date of Patent: May 26, 2015Assignee: Futurewei Technologies, Inc.Inventors: Shiau-He Tsai, Yunsong Yang, Brian Classon
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Publication number: 20150139585Abstract: In one embodiment, a micro-electro-mechanical-system (MEMS) photonic switch includes a first plurality of collimators and a first minor array optically coupled to the first plurality of collimators, where the first minor array includes a first plurality of minors, and where a first minor of the first plurality of minors includes a first plurality of photodiodes integrated on the first mirror.Type: ApplicationFiled: November 21, 2013Publication date: May 21, 2015Applicant: FUTUREWEI TECHNOLOGIES, INC.Inventors: Alan Frank Graves, Dominic John Goodwill
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Publication number: 20150139036Abstract: 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: ApplicationFiled: November 18, 2013Publication date: May 21, 2015Applicant: FUTUREWEI TECHNOLOGIES, INC.Inventor: Fangping LIU
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Publication number: 20150143016Abstract: An apparatus for initialization. The apparatus includes a management I/O device controller for managing initialization of a plurality of I/O devices coupled to a PCI-Express (PCIe) fabric. The management I/O device controller is configured for receiving a request to register a target interrupt register address of a first worker computing resource, wherein the target interrupt register address is associated with a first interrupt generated by a first I/O device coupled to the PCIe fabric. A mapping module of the management I/O device controller is configured for mapping the target interrupt register address to a mapped interrupt register address of a domain in which the first I/O device resides. A translating interrupt register table includes a plurality of mapped interrupt register addresses in the domain that is associated with a plurality of target interrupt register addresses of a plurality of worker computing resources.Type: ApplicationFiled: November 18, 2013Publication date: May 21, 2015Applicant: Futurewei Technologies, Inc.Inventors: Norbert EGI, Robert LASATER, Thomas BOYLE, John PETERS, Guangyu SHI
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Publication number: 20150138623Abstract: In one embodiment, a micro-electro-mechanical-system (MEMS) photonic switch includes a first plurality of collimators including a first collimator configured to receive a first traffic optical beam having a traffic wavelength and a first control optical beam having a control wavelength, where a first focal length of the first collimators at the traffic wavelength is different than a second focal length of the first collimators at the control wavelength. The MEMS photonic switch also includes a first minor array optically coupled to the first plurality of collimators, where the first mirror array including a first plurality of first MEMS minors integrated on a first substrate and a first plurality of first photodiodes integrated on the first substrate, where the photodiodes are disposed in interstitial spaces between the MEMS mirrors.Type: ApplicationFiled: November 21, 2013Publication date: May 21, 2015Applicant: FutureWei Technologies, Inc.Inventors: Alan Frank Graves, Dominic John Goodwill