公开(公告)号：US11212156B2

公开(公告)日：2021-12-28

申请号：US16380804

申请日：2019-04-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xun Yang ,  Yi Luo

IPC: H04B7/0452 ,  H04L27/26 ,  H04B7/08 ,  H04L25/02 ,  H04B7/06

Abstract: A method for uplink multiuser data transmission and a system for uplink multiuser multiple input multiple output are provided. The method includes: sending, by an access point (AP), indication information to at least two stations (STAs), wherein the indication information is used for indicating that the at least two STAs perform an uplink multiuser data transmission; receiving, by the AP, uplink data sent by the at least two STAs through channels from the at least two STAs to the AP, respectively; and demodulating, by the AP, the uplink data sent by the at least two STAs using receiving beams corresponding to pre-estimated channels from the at least two STAs to the AP, respectively.

公开(公告)号：US11115991B2

公开(公告)日：2021-09-07

申请号：US16197906

申请日：2018-11-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xun Yang ,  Yi Luo ,  Jiayin Zhang

IPC: H04W72/12 ,  H04W16/14 ,  H04W72/04 ,  H04W88/02 ,  H04W88/08

Abstract: A method includes sending, by an access point, a scheduling request to a first scheduling server according to a data transmission requirement, where the scheduling request includes frequency band bandwidth information of a contention frequency band that is applied for and frequency band use time information of the contention frequency band that is applied for. The method also includes receiving, by the access point, a contention frequency band that is allocated by the first scheduling server to the access point according to a spectrum list and the scheduling request, where the spectrum list includes at least frequency band use information and interference information of the access point. The method also includes performing, by the access point, scheduling transmission by using the allocated contention frequency band.

公开(公告)号：US11026259B2

公开(公告)日：2021-06-01

申请号：US16220635

申请日：2018-12-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ming Gan ,  Jian Yu ,  Xun Yang

IPC: H04W74/08 ,  H04W76/11 ,  H04W72/04 ,  H04W88/08 ,  H04W84/12

Abstract: Embodiments of the present disclosure disclose a data communication method and apparatus. The data communication method includes: when receiving a PPDU, obtaining, by a network node, a BSS identifier in the PPDU; if the BSS identifier in the PPDU is different from a first BSS identifier, and the BSS identifier in the PPDU is the same as a second BSS identifier, determining whether the PPDU meets a preset spatial reuse condition, where the first BSS identifier is an identifier of a first BSS to which the network node belongs, the second BSS identifier is an identifier of an extended BSS to which a target relay belongs, and the target relay and the network node belong to the first BSS; and if the PPDU meets the preset spatial reuse condition, contending for an access channel, and communicating with a station other than the target relay in the first BSS.

公开(公告)号：US11012932B2

公开(公告)日：2021-05-18

申请号：US16397693

申请日：2019-04-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ming Gan ,  Meilu Lin ,  Xun Yang

IPC: H04W52/02 ,  H04W80/02 ,  H04W88/08 ,  H04W48/08 ,  H04W84/12

Abstract: A data communication method and apparatus are provided. The data communication method includes: receiving, by a station (STA), a wake-up packet sent by an access point (AP), where the wake-up packet includes basic service set (BSS) parameter indication information, the BSS parameter indication information includes BSS parameter change indication information or a target parameter of a primary BSS to which a primary transceiver of the STA currently belongs, and the BSS parameter change indication information is used to indicate whether a critical parameter of the primary BSS changes when the primary transceiver of the STA is in a sleep state; and communicating, by the primary transceiver of the STA, with the AP based on the BSS parameter indication information. The embodiments of the present application can be used to effectively ensure that the primary transceiver of the STA successfully communicates with the AP.

公开(公告)号：US10790891B2

公开(公告)日：2020-09-29

申请号：US16503284

申请日：2019-07-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jian Yu ,  Xun Yang ,  Ming Gan ,  Meilu Lin ,  Peter Loc

IPC: H04W4/00 ,  H04B7/06 ,  H04W24/10 ,  H04L1/16 ,  H04W24/00 ,  H04B7/0413 ,  H04L1/00 ,  H04W84/12

Abstract: A method for transmitting channel state information includes: sending a feedback indication message, a high-efficiency long training sequence, and a resource scheduling message, wherein the feedback indication message is used to indicate more than one target STAs that need to feed back channel state information, the high-efficiency long training sequence is used for determining the channel state information by the target STAs, and the first resource scheduling message is used to indicate a communication resource used by the target STAs when the target STAs feed back the channel state information; and receiving the channel state information sent by the target STAs by using the communication resource.

公开(公告)号：US10784985B2

公开(公告)日：2020-09-22

申请号：US15853937

申请日：2017-12-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian Yu ,  Xun Yang

IPC: H04W72/04 ,  H04L1/00 ,  H04W24/10 ,  H04L25/02 ,  H04L27/00

Abstract: A WLAN link adaptation method and a network device are provided, and can provide accurate link adaptation for each user in an OFDMA communications system. Embodiments of the present application include: obtaining, by a first network device, a target channel information measurement result, where the target channel information measurement result is a measurement result obtained by measuring channel information over target bandwidth; and determining, by the first network device, a modulation and coding scheme MCS of a link according to the target channel information measurement result.

公开(公告)号：US10677884B2

公开(公告)日：2020-06-09

申请号：US15920688

申请日：2018-03-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yanping Jiang ,  Yongjun Liu ,  Xun Yang

IPC: H04W28/02 ,  G01S5/04 ,  H04W4/02 ,  H04W4/33 ,  H04W52/02 ,  H04W64/00

Abstract: The present disclosure describes methods, terminals, and base stations for terminal positioning method. One example method applied to a baseband unit (BBU) in an indoor distributed NodeB system includes: receiving an uplink positioning signal forwarded by multiple remote radio units RRUs, where the uplink positioning signal is sent by a to-be-positioned terminal to the multiple RRUs; selecting, from the multiple RRUs, at least two RRUs as target RRUs according to the uplink positioning signal and a preset rule; and respectively obtaining signal angles of arrival corresponding to the target RRUs, and determining a location of the to-be-positioned terminal according to the signal angles of arrival, locations of the target RRUs, and a preset algorithm.

公开(公告)号：US10560936B2

公开(公告)日：2020-02-11

申请号：US15667157

申请日：2017-08-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jian Yu ,  Xun Yang

IPC: H04W4/00 ,  H04W72/04 ,  H04W72/12 ,  H04W88/08

Abstract: A resource indication method and an apparatus relating to the communications field provided to resolve a problem that overheads are extremely large when an access point indicates a resource to each station, and improve resource utilization in resource indication. The method includes generating, by an access point, resource mapping information, where the resource mapping information includes a plurality of mapping segments, each mapping segment is associated with a frame type, each mapping segment includes a plurality of resource indicators, and each resource indicator indicates a resource allocated to a station in a frame corresponding to a frame type associated with a mapping segment to which the resource indicator belongs, and sending, by the access point, the resource mapping information.

公开(公告)号：US10548156B2

公开(公告)日：2020-01-28

申请号：US15387265

申请日：2016-12-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jun Luo ,  Yingpei Lin ,  Jiayin Zhang ,  Xun Yang

IPC: H04W72/12 ,  H04W72/04 ,  H04L27/26 ,  H04W84/12

Abstract: A resource indication processing method, which is applied to a wireless local area network that uses an OFDMA technology, where the method includes sending or receiving a frame including a resource indication field, where the resource indication field includes an identifier of a user, and resource block information and modulation and coding scheme MCS information that are corresponding to the identifier of the user.

公开(公告)号：US10470223B2

公开(公告)日：2019-11-05

申请号：US15221241

申请日：2016-07-27

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Yalin Liu ,  Peter Loc ,  Xun Yang ,  Jun Zhu

IPC: H04W76/10 ,  H04L5/00 ,  H04L27/26 ,  H04W40/24 ,  H04W72/04 ,  H04W84/12 ,  H04W88/08

Abstract: The present invention provides a data transmission method and a communications device. The communications device includes: a transceiver, configured to send a transmission frame to a second communications device, so that the second communications device acquires data information in the transmission frame, where the transmission frame includes a first part and a second part, the transceiver sends the first part of the transmission frame by using a first quantity of subcarriers, the transceiver sends the second part of the transmission frame by using a second quantity of subcarriers, and the first quantity is not equal to the second quantity; and the transceiver, further configured to perform a next time of information transmission with the second communications device. A throughput can be effectively increased.