Patents by Inventor Yunsong Yang

Yunsong Yang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for relay node flow control in a wireless communications system
    Patent number: 8576714
    Abstract: A system and method for relay node flow control and/or congestion control in a wireless communications system are provided. A method for relay operation includes determining a buffer status of a buffer for data to be transmitted on a communications channel allocated from network resources controlled by a communications controller, computing buffer status information based on the buffer status, and transmitting the buffer status information to the communications controller.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: November 5, 2013
    Assignee: FutureWei Technologies, Inc.
    Inventors: Yunsong Yang, Weimin Xiao, Pengfei Xia, Jianmin Lu
  • System and Method for Direct Mobile Communications Link Establishment
    Publication number: 20130286862
    Abstract: A method of establishing a direct mobile communications (DMC) link between a first user equipment (UE) and a second UE, where at least one of the first UE and the second UE is communicating on a first cellular link includes requesting that at least one of the first UE and the second UE participate in an evaluation procedure to determine a potential quality of a DMC link proposed between the first UE and the second UE. The method also includes receiving a report from at least one of the first UE and the second UE indicating the potential quality of the DMC link proposed between the first UE and the second UE according to the evaluation procedure. The method further includes establishing the DMC link between the first UE and the second UE if the potential quality of the DMC link exceeds a predetermined threshold.
    Type: Application
    Filed: April 27, 2012
    Publication date: October 31, 2013
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Philippe Sartori, Wan Lei, Brian Classon, Yunsong Yang, Anthony C.K. Soong
  • System and Method for Beacon Transmission Timing Control
    Publication number: 20130279438
    Abstract: A method of broadcasting a first beacon by an access point of a communications system includes obtaining transmission times for second beacons broadcast by nearby access points, and adjusting a transmission time for the first beacon in accordance with the transmission times for the second beacons to group the first beacon and the second beacons together within a single channel. The method also includes broadcasting an indicator of the transmission time for the first beacon to stations operating in the communications system, and broadcasting the first beacon at the transmission time for the first beacon.
    Type: Application
    Filed: April 23, 2013
    Publication date: October 24, 2013
    Inventors: Young Hoon Kwon, Yunsong Yang, Zhigang Rong
  • Method and apparatus for enabling soft handoff in an OFDMA-based communication system
    Patent number: 8565773
    Abstract: A method of enabling a soft handoff in a communication system, wherein the communication system includes a plurality of sectors and each of the plurality of sectors includes at least one base station is disclosed. The method includes: providing at least one mobile station; setting identical resources for serving the mobile station from each of the plurality of base stations in each sector; designating at least a plurality of base stations in at least one sector to participate a soft handoff; and performing a soft handoff.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: October 22, 2013
    Assignee: FutureWei Technologies, Inc.
    Inventors: Anthony C. K. Soong, Yunsong Yang, Jianmin Lu, Jung Woon Lee
  • System and Method for Downlink Transmission in a Wireless Network
    Publication number: 20130272137
    Abstract: A method of communicating in a wireless network includes transmitting, by a station, a null data packet (NDP) power save (PS)-Poll frame including a short training field and a long training field. Also, the NDP PS-Poll frame includes a signaling field including a message type indicator, a transmitter address (TA), a receiver address (RA), and a cyclic redundancy check (CRC). Additionally, the method includes receiving, by the station, buffered data in accordance with the NDP PS-Poll frame.
    Type: Application
    Filed: March 13, 2013
    Publication date: October 17, 2013
    Inventors: Young Hoon Kwon, Yunsong Yang, Zhigang Rong
  • System and Method for Temporarily Reconfiguring a Communications System to Provide Selection Services
    Publication number: 20130267190
    Abstract: A system and method for temporarily reconfiguring a communications system to provide selected services are provided. A method for temporarily providing selected services by a cell of a communications system includes receiving a first command, changing an operating mode of the cell responsive to the first command, and indicating the operating mode to a first selected device and a first non-selected device. The cell operating in the operating mode serves the first selected device based on the first command, and the first non-selected device is a selected device prior to the change in the operating mode and is capable of accessing the cell before the cell changes the operating mode responsive to the first command and is not capable of accessing the cell after the cell changes the operating mode responsive to the first command.
    Type: Application
    Filed: May 3, 2013
    Publication date: October 10, 2013
    Inventor: Yunsong Yang
  • System and Method for Uplink Transmission in a Wireless Network
    Publication number: 20130235796
    Abstract: A method of communicating in a wireless network includes communicating, by a network element, a short clear-to-send (CTS) frame including a first short training field and a first long training field. Also, the short CTS frame includes a first signaling field including a first duration field and a first address of the station.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 12, 2013
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Young Hoon Kwon, Yunsong Yang, Zhigang Rong
  • System and Method for Allocating Network Resources
    Publication number: 20130223352
    Abstract: A method for operating a user equipment (UE) in a UE group including at least two UEs includes receiving, from a communications controller, network resources information about an allocation of a first set of network resources to the UE group and a transmission indication, where the transmission indication indicates that the UE is selected to transmit in a second set of network resources that is a subset of the first set of network resources. The method further includes transmitting, to other UEs in the UE group utilizing a direct mobile communications (DMC) link associated with the communications controller, a first message including a control indicator in a first subset of the second set of network resources, the control indicator indicating scheduling information for a second subset of the second set of network resources.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 29, 2013
    Applicant: FutureWei Technologies, Inc.
    Inventors: Philippe Sartori, Deping Liu, Brian Classon, Vipul Desai, Anthony C.K. Soong, Yunsong Yang
  • System and Method for Message Acknowledgment Feedback for Device-to-Device Communication Overlaid on a Cellular Network
    Publication number: 20130223318
    Abstract: An embodiment of a system for operating a communications controller for a group of user equipments engaged in a direct mobile communication (“DMC”) link in a wireless communications system is provided. The communications controller is configured to allocate a set of subframes to the group of UEs for the DMC link, signal the set of allocated subframes to the group of UEs, and signal a length of a sliding window to the group of UEs. In an embodiment, ACK/NACK feedback for communications over the DMC link is aggregated according to the length of the sliding window, and the ACK/NACK feedback for the communications over the DMC link is determined independently from ACK/NACK feedback for cellular transmission between the communication controller and the group of UEs. In an embodiment, the length of the sliding window is a number of subframes.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 29, 2013
    Applicant: FutureWei Technologies, Inc.
    Inventors: Deping Liu, Philippe Sartori, Yunsong Yang, Vipul Desai
  • System and method for temporarily reconfiguring a communications system to provide selected services
    Patent number: 8437799
    Abstract: A system and method for temporarily reconfiguring a communications system to provide selected services are provided. A method for temporarily providing selected services by a cell of a communications system includes receiving a first command, changing an operating mode of the cell responsive to the first command, and indicating the operating mode to a first selected device and a first non-selected device. The cell operating in the operating mode serves the first selected device based on the first command, and the first non-selected device is a selected device prior to the change in the operating mode and is capable of accessing the cell before the cell changes the operating mode responsive to the first command and is not capable of accessing the cell after the cell changes the operating mode responsive to the first command.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: May 7, 2013
    Assignee: FutureWei Technologies, Inc.
    Inventor: Yunsong Yang
  • System and method for adapting a source rate
    Patent number: 8427949
    Abstract: A system and method for adapting a source rate are provided. A method for operations at a communications device, where the communications device is a sender of information packets over a packet stream, includes determining a source rate of the packet stream, and marking information packets of the packet stream, where the information packets are marked with a first marking pattern if the source rate is equal to a minimum source rate, or the information packets are marked with a second marking pattern if the source rate is greater than the minimum source rate. The first marking pattern has a period of M information packets, where M is a positive integer value greater than or equal to two, and the second marking pattern has a period of M information packets. The method also includes transmitting the marked information packets over the packet stream to a receiver.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: April 23, 2013
    Assignee: Future Wei Technologies, Inc.
    Inventor: Yunsong Yang
  • Hybrid In-Band/Out-of-Band Relays
    Publication number: 20130077542
    Abstract: In accordance with an embodiment, a method of operating a wireless relay device includes establishing a first connection to a base station using a first set of frequency bands, establishing a second connection to a user device using the first set of frequency bands, and establishing a third connection to the base station using a second set of frequency bands.
    Type: Application
    Filed: September 21, 2012
    Publication date: March 28, 2013
    Applicant: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Yunsong Yang, Zhongfeng Li, Philippe Sartori
  • Method of conducting rate control, scheduling and acknowledgement in wireless communication system
    Patent number: 8380195
    Abstract: A method for transmitting control information from multiple base stations in an active set to a mobile device in a wireless communication system reduces resource consumption by routing information originating from a plurality of active base stations through a single serving base station. The serving base station pools and resolves the information from the active base stations and sends the resolution of the pooled information over a downlink control channel for evaluation and response by the mobile device.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: February 19, 2013
    Assignee: Alcatel Lucent
    Inventors: Subramanian Vasudevan, Yunsong Yang
  • System and method for adaptively controlling feedback information
    Patent number: 8359041
    Abstract: A system and method for adaptively controlling feedback information according to a loading condition of a communications cell is provided. A method comprises receiving an indication from a base station, computing an amount of feedback information to transmit back to the base station using the indication, locating a feedback resource assigned to the mobile station using the amount of feedback information and an identity of the mobile station, computing a feedback information, and transmitting the feedback information using the located feedback resource. The indication is for a set of candidate transmission formats that is based on loading conditions in the cell.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: January 22, 2013
    Assignee: FutureWei Technologies, Inc.
    Inventors: Yunsong Yang, Young Hoon Kwon
  • System and Method for Temporarily Reconfiguring a Communications System to Provide Selected Services
    Publication number: 20120309339
    Abstract: A system and method for temporarily reconfiguring a communications system to provide selected services are provided. A method for temporarily providing selected services by a cell of a communications system includes receiving a first command, changing an operating mode of the cell responsive to the first command, and indicating the operating mode to a first selected device and a first non-selected device. The cell operating in the operating mode serves the first selected device based on the first command, and the first non-selected device is a selected device prior to the change in the operating mode and is capable of accessing the cell before the cell changes the operating mode responsive to the first command and is not capable of accessing the cell after the cell changes the operating mode responsive to the first command.
    Type: Application
    Filed: August 16, 2012
    Publication date: December 6, 2012
    Applicant: FutureWei Technologies, Inc.
    Inventor: Yunsong Yang
  • System and Method for Monitoring Dropped Packets
    Publication number: 20120300648
    Abstract: A system and method for monitoring dropped packets are provided. A method for communications device operations includes receiving a sequence of packets from a transmitting station, where each packet in the sequence of packets includes a protocol layer packet for each protocol layer of multi-layered network. The method also includes determining if a packet in the sequence of packets has been dropped by the transmitting station, where the determining is based on at least two sets of sequence numbers associated with different protocol layers of packets in the sequence of packets. The method further includes updating a packet discard counter based on the determining.
    Type: Application
    Filed: May 25, 2011
    Publication date: November 29, 2012
    Applicant: FutureWei Technologies, Inc.
    Inventor: Yunsong Yang
  • System and Method for Multi-Cell Access
    Publication number: 20120282964
    Abstract: A system and method for multi-cell access are provided. A method includes transmitting at least one control channel to a communications device. The at least one control channel includes control information, and the transmitting is performed by at least one cell in a subset of a cooperating set. The method also includes transmitting to the communications device based on control information transmitted to the communications device, or receiving from the communications device based on control information transmitted to the communications device. The transmitting is performed by at least one other cell in the cooperating set, or the receiving is performed by the at least one other cell in the cooperating set.
    Type: Application
    Filed: May 6, 2011
    Publication date: November 8, 2012
    Applicant: FutureWei Technologies, Inc.
    Inventors: Weimin Xiao, Deping Liu, Yunsong Yang
  • ADDITIVES TO MITIGATE CATALYST LAYER DEGRADATION IN FUEL CELLS
    Publication number: 20120258382
    Abstract: Ligand additives having two or more coordination sites in close proximity can be used in the polymer electrolyte of membrane electrode assemblies in solid polymer electrolyte fuel cells in order to reduce the dissolution of catalyst, particularly from the cathode, and hence reduce fuel cell degradation over time.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 11, 2012
    Applicants: Ford Motor Company, Daimler AG
    Inventors: Jing Li, Keping Wang, Yunsong Yang, Scott McDermid, Sumit Kundu
  • System and method for temporarily reconfiguring a communications system to provide selected services
    Patent number: 8270977
    Abstract: A method for temporarily providing selected services by a base station cell of a communications system includes changing an operating mode of the cell in response to receiving a first command. The operating mode is indicated to a first selected device and a first non-selected device. The cell operating in the operating mode serves the first selected device based on the first command. The first non-selected device was a selected device and was capable of accessing the cell before the cell changed the operating mode. The first non-selected device is not capable of accessing the cell after the cell changed the operating mode.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: September 18, 2012
    Assignee: FutureWei Technologies, Inc.
    Inventor: Yunsong Yang
  • COMPOSITE PROTON CONDUCTING MEMBRANE WITH LOW DEGRADATION AND MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELLS
    Publication number: 20120231367
    Abstract: A small molecule or polymer additive can be used in preparation of a membrane electrode assembly to improve its durability and performance under low relative humidity in a fuel cell. Specifically, a method of forming a membrane electrode assembly comprising a proton exchange membrane, comprises providing an additive comprising at least two nitrogen atoms to the membrane electrode assembly.
    Type: Application
    Filed: November 10, 2010
    Publication date: September 13, 2012
    Applicants: FORD MOTOR COMPANY, DAIMLER AG
    Inventors: Yunsong Yang, Jing Li, Keping Wang