Patents by Inventor Neng Wang

Neng Wang 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).

  • Publication number: 20180375615
    Abstract: Polar codes may be generated with a variable block length utilizing puncturing. Some puncturing schemes consider punctured bits as unknown bits, and set the log likelihood ratio (LLR) for those bits to zero; while other puncturing schemes consider punctured bits as known bits, and set the LLR for those bits to infinity. Each of these puncturing schemes has been observed to provide benefits over the other under different circumstances, especially corresponding to different coding rates or different signal to noise ratio (SNR). According to aspects of the present disclosure, both puncturing schemes are compared, and the puncturing scheme resulting in the better performance is utilized for transmission.
    Type: Application
    Filed: August 17, 2016
    Publication date: December 27, 2018
    Inventors: Changlong XU, Jian LI, Jilei HOU, Neng WANG
  • Publication number: 20180367194
    Abstract: The present invention provides for an improved application of signal strength weightings in a SDMA sectorized cellular network. The improved signal strength weightings application is conducted through the improved selection of weightings from a new codebook subset or by the selection of weightings from a larger codebook subset. In a further embodiment, an antenna beam index or bit map can be used to select the best beam(s) in a SDMA sectorized cellular network. In another embodiment, a field or factor in an uplink or downlink transmission packet can designate which directional transmission beam is best suited for the transmission or when the directional transmission beam should be activated.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Inventors: Lai King Tee, Yi Song, Neng Wang
  • Publication number: 20180359750
    Abstract: Aspects of the present disclosure relate to techniques that may help enable the determination of uplink resource allocation in systems that support dynamic uplink-downlink subframe configurations. An example method generally includes receiving signaling indicating a dynamic uplink-downlink (UL-DL) subframe configuration, determining hybrid automatic repeat request (HARQ) acknowledgment/negative acknowledgment (ACK/NACK) timing based on a reference UL-DL subframe configuration, and determining HARQ resource allocation based on the dynamic UL-DL subframe configuration.
    Type: Application
    Filed: August 6, 2018
    Publication date: December 13, 2018
    Inventors: Chao WEI, Wanshi CHEN, Xiaoxia ZHANG, Neng WANG, Hao XU, Peter GAAL
  • Publication number: 20180316452
    Abstract: Techniques are described for wireless communications at a user equipment (UE). One method includes determining a first cell identifier (ID) associated with a first downlink transmission in a first radio frequency spectrum band of paired radio frequency spectrum bands, determining a second cell ID associated with a second downlink transmission in a second radio frequency spectrum band of the paired radio frequency spectrum bands, and communicating based on the first cell ID and the second cell ID. In some cases, the method may include determining a cell ID associated with a downlink transmission in an uplink radio frequency spectrum band, and receiving the downlink transmission in a subframe of the uplink radio frequency spectrum band. The downlink transmission may be based on the cell ID and a format of a physical uplink shared channel (PUSCH), and may include an eight layer single-user multiple-input multiple-output (SU-MIMO) transmission.
    Type: Application
    Filed: August 22, 2016
    Publication date: November 1, 2018
    Inventors: Wanshi CHEN, Peter GAAL, Neng WANG
  • Publication number: 20180310286
    Abstract: Certain aspects of the present disclosure relate to techniques and methods for reporting channel state information (CSI) feedback, for example, for UEs capable of supporting evolved interference management traffic adaptation (eIMTA).
    Type: Application
    Filed: June 25, 2018
    Publication date: October 25, 2018
    Inventors: Wanshi CHEN, Chao WEI, Neng WANG, Hao XU, Peter GAAL
  • Patent number: 10111188
    Abstract: Methods, systems, and-devices are described for interference mitigation in a time-division duplex(TDD)wireless communication system. First and second subframe types may be identified for TDD subframes to be transmitted using the system. Different power control parameters associated with each subframe type may be identified based on transmission directions in neighboring cells for the particular subframes. One or more TDD subframes to be transmitted may be identified as a first or second subframe type, and power control may be applied to the transmitted subframes according the power control parameter associated with the subframe type. The identification of subframes and power control parameters to be applied to each type of subframe may be transmitted, for example, to a user equipment(UE). The information may be transmitted to a UE, for example, via radio resource control(RRC)signaling or via a physical layer control channel.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: October 23, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Minghai Feng, Neng Wang, Chao Wei, Jilei Hou
  • Patent number: 10097247
    Abstract: To report feedback information regarding a wireless channel, a mobile station determines whether a predefined condition is satisfied. In response to determining that the predefined condition is satisfied, feedback information regarding an individual one of plural subbands of the wireless channel is included in a first report to be sent to a base station. In response to determining that the predefined condition is not satisfied, aggregate feedback information regarding the plural subbands is included in a second report to be sent to the base station.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: October 9, 2018
    Assignee: Apple Inc.
    Inventors: Sairamesh Nammi, Shankar Venkatraman, Gaurav Hemrajani, Ashvin Chheda, Lai King Tee, Neng Wang, Kathiravetpillai Sivanesan
  • Publication number: 20180278365
    Abstract: Certain aspects of the present disclosure relate to methods and apparatus for flexible resource mapping and modulation and coding scheme (MCS) determination in wireless communication systems. According to certain aspects, a method for wireless communications that may be performed by a transmitter is provided. The method generally includes determining MCSs to use for each of multiple portions of a transport block and transmitting the portions of the transport block according to the determined MCSs to a wireless node. Flexible MCS and resource mapping determination may improve demodulation performance for code blocks that are far from pilots.
    Type: Application
    Filed: December 9, 2015
    Publication date: September 27, 2018
    Inventors: Xiaohui LIU, Neng WANG, Yu ZHANG, Jilei HOU
  • Patent number: 10082558
    Abstract: Neighbor cell hearability can be improved by including an additional reference signal that can be detected at a low sensitivity and a low signal-to-noise ratio, by introducing non-unity frequency reuse for the signals used for a time difference of arrival (TDOA) measurement, e.g., orthogonality of signals transmitted from the serving cell sites and the various neighbor cell sites. The new reference signal, called the TDOA-RS, is proposed to improve the hearability of neighbor cells in a cellular network that deploys 3GPP EUTRAN (LTE) system, and the TDOA-RS can be transmitted in any resource blocks (RB) for PDSCH and/or MBSFN subframe, regardless of whether the latter is on a carrier supporting both PMCH and PDSCH or not. Besides the additional TDOA-RS reference signal, an additional synchronization signal (TDOA-sync) may also be included to improve the hearability of neighbor cells.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: September 25, 2018
    Assignee: Apple Inc.
    Inventors: Lai King Tee, Geng Wu, Jun Li, Yuqiang Tang, Neng Wang, Hua Xu, Jianglei Ma
  • Patent number: 10063298
    Abstract: The present invention provides for an improved application of signal strength weightings in a SDMA sectorized cellular network. The improved signal strength weightings application is conducted through the improved selection of weightings from a new codebook subset or by the selection of weightings from a larger codebook subset. In a further embodiment, an antenna beam index or bit map can be used to select the best beam(s) in a SDMA sectorized cellular network. In another embodiment, a field or factor in an uplink or downlink transmission packet can designate which directional transmission beam is best suited for the transmission or when the directional transmission beam should be activated.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: August 28, 2018
    Assignee: Apple Inc.
    Inventors: Lai King Tee, Yi Song, Neng Wang
  • Patent number: 10045339
    Abstract: Aspects of the present disclosure relate to techniques that may help enable the determination of uplink resource allocation in systems that support dynamic uplink-downlink subframe configurations. An example method generally includes receiving signaling indicating a dynamic uplink-downlink (UL-DL) subframe configuration, determining hybrid automatic repeat request (HARQ) acknowledgment/negative acknowledgment (ACK/NACK) timing based on a reference UL-DL subframe configuration, and determining HARQ resource allocation based on the dynamic UL-DL subframe configuration.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: August 7, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Chao Wei, Wanshi Chen, Xiaoxia Zhang, Neng Wang, Hao Xu, Peter Gaal
  • Publication number: 20180213517
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives, by a user equipment (UE) during a first subframe, an indication of a dynamic uplink/downlink (UL/DL) subframe configuration. The apparatus determines an uplink hybrid automatic repeat request (HARQ) timing based on an uplink reference subframe configuration and at least one of the dynamic UL/DL subframe configuration or a downlink reference subframe configuration. The apparatus selects an uplink subframe for communication based on the determined uplink HARQ timing.
    Type: Application
    Filed: March 20, 2018
    Publication date: July 26, 2018
    Inventors: Chao WEI, Neng WANG, Peng CHENG, Wanshi CHEN, Hao XU, Peter GAAL, Jilei HOU
  • Patent number: 10015782
    Abstract: Certain aspects of the present disclosure relate to techniques and methods for reporting channel state information (CSI) feedback, for example, for UEs capable of supporting evolved interference management traffic adaptation (eIMTA). In one aspect, a method generally includes receiving signaling of a first uplink/downlink (UL/DL) subframe configuration for communicating with a base station (BS), receiving signaling of at least one channel state information (CSI) reporting configuration indicating at least two subframe sets, where each subframe set is associated with an interference measurement resource (IMR) configuration, detecting a collision of CSI reporting for the at least two subframe sets in an uplink subframe, prioritizing one subframe set from the at least two subframe sets for CSI reporting in the uplink subframe, and reporting CSI in the uplink subframe based on the prioritization.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: July 3, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Wanshi Chen, Chao Wei, Neng Wang, Hao Xu, Peter Gaal
  • Patent number: 10009164
    Abstract: In aspects, methods and apparatus for utilizing a reconfiguration timer for updating TDD configuration are provided. Certain aspects of the present disclosure propose methods and apparatus for improving system performance while using adaptive uplink-downlink reconfiguration in a time division duplex (TDD) system. For certain aspects, a reconfiguration timer may be utilized along with a signaling scheme, in order to enjoy benefits of the adaptive uplink-downlink reconfiguration with minimum signaling overhead.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: June 26, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Jilei Hou, Minghai Feng, Neng Wang, Chao Wei
  • Patent number: 10009904
    Abstract: Interference mitigation solutions are disclosed for interference experienced based on asymmetric uplink (UL)/downlink (DL) slot configuration. The aggressor/victim network entities are identified using either measurement or static/semi-static means, such that the victim network entities that may be impacted by interference from aggressor network entity transmissions are identified. Inter Cell Interference Coordination (ICIC) mechanisms are extended to negotiate and address scheduling that intelligently mitigates interference that occurs in the colliding slots.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: June 26, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Neng Wang, Jilei Hou, Jiming Guo, Minghai Feng
  • Publication number: 20180167114
    Abstract: The present invention provides for an improved application of signal strength weightings in a SDMA sectorized cellular network. The improved signal strength weightings application is conducted through the improved selection of weightings from a new codebook subset or by the selection of weightings from a larger codebook subset. In a further embodiment, an antenna beam index or bit map can be used to select the best beam(s) in a SDMA sectorized cellular network. In another embodiment, a field or factor in an uplink or downlink transmission packet can designate which directional transmission beam is best suited for the transmission or when the directional transmission beam should be activated.
    Type: Application
    Filed: February 12, 2018
    Publication date: June 14, 2018
    Inventors: Lai King Tee, Yi Song, Neng Wang
  • Publication number: 20180160428
    Abstract: A mobile station receives a downlink control structure in a first carrier, where the downlink control structure indicates that control information for the mobile station is on a second, different carrier. The mobile station decodes the control information in the second carrier, where the control information specifies resource allocation of a wireless link for the mobile station. More specifically, according to some implementations, the control channel in the first carrier specifies the resource allocation for an extended control channel in the second carrier, where the extended control channel specifies the resource allocation for traffic data of a wireless link for the mobile station.
    Type: Application
    Filed: January 18, 2018
    Publication date: June 7, 2018
    Inventors: Lai King Tee, Yi Song, Jun Li, Yuqiang Tang, Neng Wang
  • Patent number: 9986501
    Abstract: Methods and apparatus are disclosed for interference management. The interference management is based on dynamic point selection or semi-static point selection. The method includes determining interference at a plurality of network nodes. The method includes selecting a transmission point from the plurality of network nodes for a transmission to at least one mobile entity based on the determined interference.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: May 29, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Minghai Feng, Neng Wang, Chao Wei, Jilei Hou
  • Patent number: 9961673
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives, by a user equipment (UE) during a first subframe, an indication of a dynamic uplink/downlink (UL/DL) subframe configuration. The apparatus determines an uplink hybrid automatic repeat request (HARQ) timing based on an uplink reference subframe configuration and at least one of the dynamic UL/DL subframe configuration or a downlink reference subframe configuration. The apparatus selects an uplink subframe for communication based on the determined uplink HARQ timing.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: May 1, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Chao Wei, Neng Wang, Peng Cheng, Wanshi Chen, Hao Xu, Peter Gaal, Jilei Hou
  • Publication number: 20180099018
    Abstract: The present invention discloses an application of a mahonia bealei extract alone serving as active ingredient in preparation of drugs for treating chronic inflammatory traumas. The chronic inflammatory traumas comprise traumas initiated by chronic mastitis, diabetic foot, burn, chronic ulcer or Crohn's disease. A preparation method of the mahonia bealei extract comprises steps: taking stems and leaves of a plant mahonia bealei as raw materials, extracting with water, ethanol or a water-containing alcohol, filtering, concentrating to a small volume, and performing freeze drying for later use. The present invention has beneficial effects as follows: a drug preparation process is simple and reasonable in operation; an application value of the mahonia bealei extract in treatment of a chronic inflammatory wound is clarified; and medicinal and drug efficacy study is developed, effective protection is realized on a utilization basis, and effects of off-site conservation and sustainable development can be achieved.
    Type: Application
    Filed: October 10, 2017
    Publication date: April 12, 2018
    Inventors: Yi LIN, Zhiyu WANG, Honglin SITU, Neng WANG