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    DEVICE, NETWORK, AND METHOD FOR CSI FEEDBACK OF HYBRID BEAMFORMING
    44.
    发明申请
    DEVICE, NETWORK, AND METHOD FOR CSI FEEDBACK OF HYBRID BEAMFORMING 审中-公开

    公开(公告)号：US20200252117A1

    公开(公告)日：2020-08-06

    申请号：US16782011

    申请日：2020-02-04

    Applicant: Futurewei Technologies, Inc.

    Inventor： Qian Cheng ,  Weimin Xiao ,  Jialing Liu

    IPC: H04B7/06 ,  H04B7/0417

    Abstract: Various methods and systems are provided to provide for Channel State Information (CSI) feedback of hybrid beamforming. In a first example embodiment, a method for signaling a beamforming reference signal (BFRS) is provided. A resource block is created for the BFRS, the resource block containing a plurality of resource elements, each resource element defined by a time-frequency resource within one subcarrier and one multiplexing symbol. A total number of analog transmit beams for the BFRS is then determined, along with grouping information for the analog transmit beams for the BFRS. Then, the resource block, the total number of analog beams, and the grouping information are transmitted from a first network controller to a user equipment (UE). Then the BFRS is transmitted from the first network controller to the UE.

    Systems and Methods for Adaptation in a Wireless Network
    45.
    发明申请
    Systems and Methods for Adaptation in a Wireless Network 审中-公开

    公开(公告)号：US20190149290A1

    公开(公告)日：2019-05-16

    申请号：US16242872

    申请日：2019-01-08

    Applicant: Futurewei Technologies, Inc.

    Inventor： Jialing Liu ,  Weimin Xiao ,  Qian Cheng

    IPC: H04L5/00 ,  H04L1/00 ,  H04W72/08 ,  H04L25/03 ,  H04B7/0456

    Abstract: An embodiment method of network node operation includes indicating, by a first network node, to a first UE, a first number of REs in a first set of RBs for a first reference signal, transmitting, by the first network node, to the first UE, the first reference signal in accordance with the first number of REs and a first precoding in a first subframe, receiving, by the first network node, from the first UE, a report indicating a first MCS in accordance with a level of signal and interference measured by the first UE, wherein the measurement is restricted to the first reference signal, and transmitting, by the first network node, a first data with the indicated first MCS and the first precoding in a second subframe, the first data being transmitted on a second number of REs in the first set of RBs in the second subframe.

    System and method for SRS switching, transmission, and enhancements
    46.
    发明授权
    System and method for SRS switching, transmission, and enhancements 有权

    公开(公告)号：US10270570B2

    公开(公告)日：2019-04-23

    申请号：US15477639

    申请日：2017-04-03

    Applicant: Futurewei Technologies, Inc.

    Inventor： Jialing Liu ,  Weimin Xiao ,  Qian Cheng ,  Murali Narasimha ,  Brian Classon

    IPC: H04L5/00 ,  H04L27/26 ,  H04W48/12 ,  H04W72/04 ,  H04L5/14

    Abstract: User Equipments (UEs) may be assigned a set of aggregated component carriers for downlink carrier aggregation and/or carrier selection. Some UEs may be incapable of transmitting uplink signals over all component carriers in their assigned set of aggregated component carriers. In such scenarios, a UE may need to perform SRS switching in order to transmit SRS symbols over all of the component carriers. Embodiments of this disclosure provide various techniques for facilitating SRS switching. For example, a radio resource control (RRC) message may be used to signal a periodic SRS configuration parameter. As another example, a downlink control indication (DCI) message may be used to signal an aperiodic SRS configuration parameter. Many other examples are also provided.

    DEVICE, NETWORK, AND METHOD FOR RECEIVING DATA TRANSMISSION UNDER SCHEDULING DECODING DELAY IN MMWAVE COMMUNICATION
    48.
    发明申请
    DEVICE, NETWORK, AND METHOD FOR RECEIVING DATA TRANSMISSION UNDER SCHEDULING DECODING DELAY IN MMWAVE COMMUNICATION 审中-公开

    公开(公告)号：US20190044595A1

    公开(公告)日：2019-02-07

    申请号：US16103848

    申请日：2018-08-14

    Applicant: Futurewei Technologies, Inc.

    Inventor： Qian Cheng ,  Weimin Xiao ,  Jialing Liu

    IPC: H04B7/06

    Abstract: In a first example embodiment, a control transmission portion of a mmWave communication is received at a user equipment. The control transmission portion is divided into a plurality of control transmission portion sub-regions, each sub-region scheduling a data transmission for a corresponding sub-region of a data transmission portion of the mmWave communication. Then a first of the control transmission portion sub-regions is demodulated and decoded. A receive analog antenna beamforming is armed according to the demodulated and decoded first of the control transmission portion sub-regions. Beamforming is performed on a first sub-region of the data transmission portion of the mmWave communication, the first sub-region of the data transmission portion corresponding to the first of the control transmission portion sub-regions. During the arming and performing, a second of the control transmission portion sub-regions is demodulated and decoded.

    Systems and methods for adaptation in a wireless network
    49.
    发明授权
    Systems and methods for adaptation in a wireless network 有权

    公开(公告)号：US10200168B2

    公开(公告)日：2019-02-05

    申请号：US15244783

    申请日：2016-08-23

    Applicant: Futurewei Technologies, Inc.

    Inventor： Jialing Liu ,  Weimin Xiao ,  Qian Cheng

    IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00 ,  H04L25/03 ,  H04W72/08 ,  H04B7/0456 ,  H04B7/10

    Abstract: An embodiment method of network node operation includes indicating, by a first network node, to a first UE, a first number of REs in a first set of RBs for a first reference signal, transmitting, by the first network node, to the first UE, the first reference signal in accordance with the first number of REs and a first precoding in a first subframe, receiving, by the first network node, from the first UE, a report indicating a first MCS in accordance with a level of signal and interference measured by the first UE, wherein the measurement is restricted to the first reference signal, and transmitting, by the first network node, a first data with the indicated first MCS and the first precoding in a second subframe, the first data being transmitted on a second number of REs in the first set of RBs in the second subframe.

    RADIO COMMUNICATIONS USING RANDOM ACCESS IN WIRELESS NETWORKS
    50.
    发明申请
    RADIO COMMUNICATIONS USING RANDOM ACCESS IN WIRELESS NETWORKS 审中-公开

    公开(公告)号：US20180368189A1

    公开(公告)日：2018-12-20

    申请号：US16008783

    申请日：2018-06-14

    Applicant: Futurewei Technologies, Inc.

    Inventor： Murali Narasimha ,  Weimin Xiao ,  Qian Cheng ,  Jialing Liu ,  Vipul Desai

    IPC: H04W74/08 ,  H04L5/00 ,  H04W72/04 ,  H04W74/00 ,  H04W56/00

    Abstract: An efficient random access procedure is provided for reduced control overhead of connections in random access systems. A base station transmits one or more synchronization signal (SS) blocks. A UE detects and determines a preferred SS block. The UE transmits multiple random access signals (e.g., PRACH signals) in a RACH occasion. Each PRACH signal is transmitted on a different beam and includes a RACH preamble. The base station receives one or more of the PRACH signals. The RACH occasion and optionally the RACH preamble identify the preferred SS block. The base station determines a preferred PRACH signal. The base station sends a RAR to the UE using the transmit beam of the preferred SS block. The RAR indicates the preferred PRACH signal and an uplink resource allocation. The UE receives the RAR and transmits a message using the transmit beam of the preferred PRACH signal and the uplink resource allocation.

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