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).

  • Patent number: 9548803
    Abstract: The present disclosure provides for an improved application of signal strength weightings in an SDMA sectored 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 an SDMA sectored 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 4, 2013
    Date of Patent: January 17, 2017
    Assignee: Apple Inc.
    Inventors: Lai King Tee, Yi Song, Neng Wang
  • Patent number: 9520927
    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: September 9, 2014
    Date of Patent: December 13, 2016
    Assignee: Apple Inc.
    Inventors: Sairamesh Nammi, Shankar Venkatraman, Gaurav Hemrajani, Ashvin Chheda, Lai King Tee, Neng Wang, Kathiravetpillai Sivanesan
  • Patent number: 9520928
    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: September 9, 2014
    Date of Patent: December 13, 2016
    Assignee: Apple Inc.
    Inventors: Sairamesh Nammi, Shankar Venkatraman, Gaurav Hemrajani, Ashvin Chheda, Lai King Tee, Neng Wang, Kathiravetpillai Sivanesan
  • Patent number: 9515713
    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: September 9, 2014
    Date of Patent: December 6, 2016
    Assignee: Apple Inc.
    Inventors: Sairamesh Nammi, Shankar Venkatraman, Gaurav Hemrajani, Ashvin Chheda, Lai King Tee, Neng Wang, Kathiravetpillai Sivanesan
  • Publication number: 20160345332
    Abstract: The present disclosure relates generally to wireless communication, and more particularly, to methods and apparatus for dynamic time domain duplexing (TDD) subframe configurations.
    Type: Application
    Filed: February 20, 2015
    Publication date: November 24, 2016
    Inventors: Peng CHENG, Neng WANG, Chao WEI, Wanshi CHEN, Peter GAAL, Hao XU, Jilei HOU
  • Patent number: 9485755
    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: Grant
    Filed: August 23, 2013
    Date of Patent: November 1, 2016
    Assignee: Apple Inc.
    Inventors: Lai-King Tee, Yi Song, Jun Li, Yuqiang Tang, Neng Wang
  • Patent number: 9479239
    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: January 18, 2016
    Date of Patent: October 25, 2016
    Assignee: Apple Inc.
    Inventors: Lai King Tee, Yi Song, Neng Wang
  • Publication number: 20160254948
    Abstract: Certain aspects of the present disclosure relate to techniques for cross-carrier indication of TDD (Time Division Duplex) UL (Uplink)/DL (Downlink) subframe configuration. A UE may receive a configuration of a first index for a first cell, wherein the first index is mapped to a first position in a Downlink Control Information (DCI) message. The UE may receive the DCI message in a subframe and determine an indication of a UL/DL subframe configuration for the first cell based on the first index and the DCI message. The UE may communicate with the first cell based on the determined UL/DL subframe configuration for the first cell.
    Type: Application
    Filed: October 28, 2014
    Publication date: September 1, 2016
    Inventors: Wanshi CHEN, Chao WEI, Peter GAAL, Hao XU, Neng WANG
  • Patent number: 9423488
    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: October 8, 2014
    Date of Patent: August 23, 2016
    Assignee: Apple Inc.
    Inventors: Lai King Tee, Geng Wu, Jun Li, Yuqiang Tang, Neng Wang, Hua Xu, Jianglei Ma
  • Publication number: 20160205579
    Abstract: Methods, systems, and devices are described for providing periodic CSI reports and/or aperiodic CSI reports to provide CSI for both anchor and non-anchor TDD subframes in eIMTA. Periodic CSI reports may be provided based on a reference configuration, and aperiodic CSI reports may be provided based on a time of reception of a CSI request and a reference configuration. A UE may determine to report anchor or non-anchor CSI through explicit or implicit signaling. Aperiodic CSI may be used for transmission of anchor subframe CSI reports and periodic CSI may be used for transmission of non-anchor subframe CSI reports, or aperiodic CSI may be used for transmission of non-anchor subframe CSI reports and periodic CSI may be used for transmission of anchor subframe CSI reports. A determination of the reference subframe for aperiodic CSI estimation may be based on a time of receipt of an aperiodic CSI request.
    Type: Application
    Filed: September 22, 2014
    Publication date: July 14, 2016
    Applicant: QUALCOMM Incorporated
    Inventors: Peng Cheng, Neng Wang, Chao Wei, Wanshi Chen, Peter Gaal, Hao Xu, Jilei Hou
  • Publication number: 20160198450
    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: November 1, 2013
    Publication date: July 7, 2016
    Inventors: Chao WEI, Neng WANG, Peng CHENG, Wanshi CHEN, Hao XU, Peter GAAL, Jilei HOU
  • Patent number: 9386569
    Abstract: In general, according to an embodiment, a wireless transmitter includes a plurality of coding and modulation modules to apply corresponding coding and modulation algorithms to input information blocks. A discrete Fourier transform (DFT) precoder applies DFT processing to outputs of the coding and modulation modules, and an inverse fast Fourier transform (IFFT) module receives a DFT output of the DFT precoder, which is mapped to different subcarriers according to the resource allocation indicated by the base station, and applies IFFT processing to the DFT output. An output processing stage produces output signals based on the output of the IFFT module to transmit wirelessly to a wireless receiver. In a different implementation, the outputs of the coding and modulation modules can be provided to an IFFT module to produce IFFT-processed output information.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: July 5, 2016
    Assignee: Apple Inc.
    Inventors: Lai King Tee, Yi Song, Neng Wang, Chuandong Li
  • Publication number: 20160192354
    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: July 17, 2014
    Publication date: June 30, 2016
    Inventors: Chao WEI, Wanshi CHEN, Xiaoxia ZHANG, Neng WANG, Hao XU, Peter GAAL
  • Publication number: 20160173180
    Abstract: The present disclosure relates to systems and methods for a two-dimensional discrete Fourier transform based codebook for elevation beamforming. A two-dimensional discrete Fourier transform based codebook is determined for elevation beamforming. The codebook supports single stream codewords and multistream codewords. The two-dimensional discrete Fourier transform based codebook is generated by stacking the columns of the matrix product of two discrete Fourier transform codebook matrices. The codebook size may be flexibly designed based on required beam resolution in azimuth and elevation. A best codebook index is selected from the generated two-dimensional discrete Fourier transform based codebook. The selected codebook index is provided in a channel state information report. The channel state information report is transmitted to a base station.
    Type: Application
    Filed: June 12, 2014
    Publication date: June 16, 2016
    Inventors: Peng Cheng, Chao Wei, Neng Wang, Jilei Hou
  • Publication number: 20160134346
    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: January 18, 2016
    Publication date: May 12, 2016
    Inventors: Lai King Tee, Yi Song, Neng Wang
  • Publication number: 20160076086
    Abstract: Plasmonics-active nanoprobes are provided for detection of target biomolecules including nucleic acids, proteins, and small molecules. The nucleic acids that can be detected include RNA, DNA, mRNA, microRNA, and small nucleotide polymorphisms (SNPs). The nanoproprobes can be used in vito in sensitive detection methods for diagnosis of diseases and disorders including cancer. Multiplexing can be performed using the nanoprobes such that multiple targets can be detected simultaneously in a single sample. The methods of use of the nanoprobes include detection by a visible color change. The nanoprobes can be used in vivo for treatment of undesireable cells in a subject.
    Type: Application
    Filed: September 22, 2015
    Publication date: March 17, 2016
    Inventors: Tuan Vo-Dinh, Hsin-Neng Wang, Andrew Fales
  • Publication number: 20160065282
    Abstract: Certain aspects of the present disclosure provide methods and apparatus for linear precoding in full-dimensional MIMO (FD-MIMO) systems. According to aspects, an eNB may compress a larger number of antenna elements to a smaller number of antenna ports. The eNB may use a port precoding matrix to transmit reference signals to a UE, receive feedback regarding CSI based on the reference signals, and transmit data to the UE, based on a mapping of multiple data layers and mapping of antenna ports to the physical antenna elements. Further, aspects include performing elevation beamforming by dynamically forming one or more vertical sectors based on UE feedback in the elevation domain.
    Type: Application
    Filed: May 28, 2014
    Publication date: March 3, 2016
    Inventors: Yu ZHANG, Wei CHAO, Peng CHENG, Neng WANG, Jilei HOU
  • Publication number: 20160066288
    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: Application
    Filed: May 9, 2014
    Publication date: March 3, 2016
    Inventors: Minghai Feng, Neng Wang, Chao Wei, Jilei Hou
  • Publication number: 20160056907
    Abstract: Methods, systems, and devices are described for interference mitigation between neighboring cells through the use of cell clusters and virtual logical cell clusters. Cells may be added to a cell cluster with a first cell when a level of interference coupling between the first cell and one or more neighboring cells exceeds a first threshold. One or more other cells may be added to a virtual logical cell cluster with the first cell when the level of interference coupling is between a second threshold and the first threshold, the second threshold being less than the first threshold. Interference mitigation between cells of cell clusters and/or virtual logical cell clusters may be performed. Interference mitigation may be accomplished through, for example, coordination of TDD uplink-downlink (UL-DL) configurations for cell clusters and scheduling-dependent interference management (SDIM) for virtual logical cell clusters.
    Type: Application
    Filed: May 8, 2014
    Publication date: February 25, 2016
    Inventors: Chao Wei, Minghai Feng, Neng Wang, Jilei Hou
  • Patent number: 9270351
    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: December 5, 2014
    Date of Patent: February 23, 2016
    Assignee: Apple Inc.
    Inventors: Lai King Tee, Yi Song, Neng Wang