公开(公告)号：US12095710B2

公开(公告)日：2024-09-17

申请号：US17888670

申请日：2022-08-16

Applicant: Futurewei Technologies, Inc.

Inventor： Bin Liu ,  Richard Stirling-Gallacher ,  Jian Wang ,  Lili Zhang

IPC: H04L5/14 ,  H04L1/00 ,  H04W52/04 ,  H04W52/36 ,  H04B1/525

CPC classification number: H04L5/14 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L5/1461 ,  H04W52/04 ,  H04W52/367 ,  H04B1/525

Abstract: A method for operating a communications controller adapted for full duplex (FD) operation includes receiving a measurement report from a user equipment served by the communications controller, the measurement report indicating a first power margin between a current transmit power and a transmit power break point and a second power margin between the current transmit power and a maximum transmit power capable of supporting FD operation, performing FD link adaptation (LA) in accordance with the first power margin and the second power margin to adjust one or more FD configuration parameters of a link between the communications controller and the user equipment, wherein the link includes a downlink and an uplink, and instructing the user equipment to communicate over the link in accordance with the one or more FD configuration parameters.

公开(公告)号：US20230291637A1

公开(公告)日：2023-09-14

申请号：US18188565

申请日：2023-03-23

Applicant: Futurewei Technologies, Inc.

Inventor： Pengfei Xia ,  Bin Liu

IPC: H04L41/0654 ,  H04L5/00 ,  H04B7/06 ,  H04W74/00 ,  H04W16/28 ,  H04B7/08 ,  H04W74/08 ,  H04W88/02 ,  H04W76/27

CPC classification number: H04L41/0654 ,  H04W72/23 ,  H04L5/0048 ,  H04B7/0695 ,  H04L5/0091 ,  H04W74/006 ,  H04L5/0023 ,  H04W16/28 ,  H04W72/0453 ,  H04W72/046 ,  H04B7/088 ,  H04W74/0833 ,  H04W88/02 ,  H04W76/27

Abstract: A method for operating an access node includes generating a configuration message including information specifying a set of reference signals of a first reference signal type and a set of reference signals of a second reference signal type used to identify a new beam, and information specifying random access channel resources allocated for transmitting preamble sequences, wherein each random access channel resource is associated with a reference signal of the first reference signal type, sending, to one or more user equipments (UEs), the configuration message, receiving, from a UE, a preamble sequence on one of the random access channel resources, and determining an identity of the UE in accordance with the preamble sequence and the one of the random access channel resources.

公开(公告)号：US11678381B2

公开(公告)日：2023-06-13

申请号：US17408628

申请日：2021-08-23

Applicant: Futurewei Technologies, Inc.

Inventor： Bin Liu ,  Yongbo Zeng ,  Jian Wang ,  Guorong Li ,  Yu Cai

IPC: H04W74/08 ,  H04W72/21

CPC classification number: H04W74/0833 ,  H04W72/21 ,  H04W74/0841

Abstract: A method of performing a random access procedure includes randomly selecting a backoff time from within a backoff window ranging from 0 to a specified multiple of a random access preamble unit, waiting until a time initialized with the backoff time expires, and retransmitting a random access preamble.

公开(公告)号：US20230041768A1

公开(公告)日：2023-02-09

申请号：US17888670

申请日：2022-08-16

Applicant: Futurewei Technologies, Inc.

Inventor： Bin Liu ,  Richard Stirling-Gallacher ,  Jian Wang ,  Lili Zhang

IPC: H04L5/14 ,  H04L1/00 ,  H04W52/04 ,  H04W52/36

Abstract: A method for operating a communications controller adapted for full duplex (FD) operation includes receiving a measurement report from a user equipment served by the communications controller, the measurement report indicating a first power margin between a current transmit power and a transmit power break point and a second power margin between the current transmit power and a maximum transmit power capable of supporting FD operation, performing FD link adaptation (LA) in accordance with the first power margin and the second power margin to adjust one or more FD configuration parameters of a link between the communications controller and the user equipment, wherein the link includes a downlink and an uplink, and instructing the user equipment to communicate over the link in accordance with the one or more FD configuration parameters.

公开(公告)号：US11522743B2

公开(公告)日：2022-12-06

申请号：US15139987

申请日：2016-04-27

Applicant: Futurewei Technologies, Inc.

Inventor： Richard Stirling-Gallacher ,  Nathan Edward Tenny ,  Bin Liu

IPC: H04L27/26 ,  H04B7/08 ,  H04L5/14 ,  H04L5/00 ,  H04B7/06

Abstract: A system and method of communicating sounding reference signals (SRSs) in a cellular time division duplex (TDD) mmWave system. A transmission point (TP) may transmit beamformed reference signals to a user equipment (UE), each of the beamformed reference signals having been transmitted according to a beam direction in a set of beam directions available to the TP. The TP may receive a feedback message from the UE that identifies one of the beamformed reference signals transmitted to the UE. The TP may select, from the set of beam directions available to the TP, a subset of beam directions for SRS reception based on the feedback message received from the UE, and receive uplink SRS signals according to beam directions in the subset of beam directions. The set of beam directions available to the TP includes at least one beam direction that is excluded from the subset of beam directions.

公开(公告)号：US20220352940A1

公开(公告)日：2022-11-03

申请号：US17663573

申请日：2022-05-16

Applicant: Futurewei Technologies, Inc.

Inventor： Pengfei Xia ,  Bin Liu

IPC: H04B7/06 ,  H04L5/00 ,  H04W72/04 ,  H04W16/28 ,  H04B7/08

Abstract: Embodiments of this disclosure provide techniques for determining a device's beam correspondence status. As used herein, a device is considered to have “beam correspondence” when the device's TX and RX antennas satisfy a calibration criteria. In one example, a device's TX and RX antennas satisfy the calibration criteria when a difference between quality parameters corresponding to reference signals transmitted and received using corresponding TX and RX beams is less than a threshold. In another example, a device's TX and RX antennas satisfy the calibration criteria when a list of indices ranking the device's TX beams matches a list of indices ranking the device's RX beams. The lists of indices may be derived by transmitting and receiving references signals according to the devices RX and TX beams, and then generating list of indices based on quality parameters of the respective RX and TX beams.

公开(公告)号：US11424809B2

公开(公告)日：2022-08-23

申请号：US16951412

申请日：2020-11-18

Applicant: Futurewei Technologies, Inc.

Inventor： Young Hoon Kwon ,  Pengfei Xia ,  Bin Liu

IPC: H04B7/06 ,  H04B7/185 ,  H04W56/00 ,  H04W74/08 ,  H04L5/00 ,  H04W16/28 ,  H04W72/04

Abstract: The disclosure relates to technology for assigning resources to user equipment for a beam failure recovery by a base station. The base station identifies a beam failure random access channel (BRACH) resource holding beam correspondence with a synchronization signal (SS) block resource covering the user equipment, and assigns the user equipment one or more BRACH preambles for each BRACH resource assigned to the user equipment, excluding the BRACH resource holding beam correspondence with the SS block resource covering the user equipment.

公开(公告)号：US11177982B2

公开(公告)日：2021-11-16

申请号：US16871876

申请日：2020-05-11

Applicant: Futurewei Technologies, Inc.

Inventor： Richard Stirling-Gallacher ,  Bin Liu ,  Pengfei Xia ,  Nathan Edward Tenny ,  Hongcheng Zhuang

IPC: H04L25/02 ,  H04L5/00

Abstract: A method for transmitting feedback includes generating explicit channel feedback for a plurality of transmit beam-receive beam combinations (TRBCs) between the user device and a transmit-receive point (TRP), generating a modified resource in accordance with explicit feedback configuration information, the modified resource configured to convey the explicit channel feedback, wherein an explicit channel feedback associated with each TRBC is conveyed on a different data symbol of the modified resource, and transmitting the modified resource to the TRP using a single TRBC.

公开(公告)号：US20210336740A1

公开(公告)日：2021-10-28

申请号：US17368497

申请日：2021-07-06

Applicant: FutureWei Technologies, Inc.

Inventor： Bin Liu ,  Pengfei Xia

IPC: H04L5/00 ,  H04B7/06 ,  H04W72/04

Abstract: Embodiments of this disclosure provide techniques for receiving reference signals by a user equipment (UE) from a base station in a downlink channel, as well as transmitting a linear combination index from the UE to the base station. In particular, the linear combination index identifies a combination of beams selected from a set of beams in accordance with the RS.

公开(公告)号：US11153917B2

公开(公告)日：2021-10-19

申请号：US16894297

申请日：2020-06-05

Applicant: Futurewei Technologies, Inc.

Inventor： Bin Liu ,  Yongbo Zeng ,  Jian Wang ,  Guorong Li ,  Yu Cai

IPC: H04W74/08 ,  H04W72/04

Abstract: A method of performing a random access procedure includes randomly selecting a backoff time from within a backoff window ranging from 0 to a specified multiple of a random access preamble unit, waiting until a time initialized with the backoff time expires, and retransmitting a random access preamble.