公开(公告)号：US20160269166A1

公开(公告)日：2016-09-15

申请号：US15160897

申请日：2016-05-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xun YANG ,  Chixiang MA ,  Yunbo LI

IPC: H04L5/00 ,  H04W28/06 ,  H04W24/02 ,  H04W74/08

CPC classification number: H04L5/0094 ,  H04L5/0053 ,  H04W24/02 ,  H04W28/065 ,  H04W74/08

Abstract: A data transmission method and a data transmission device are disclosed. The method comprises: sending, by a transmitting end, a channel request frame to a first receiving end on at least two sub-channels; parsing, by a receiving end after receiving a channel response frame from the first receiving end, the channel response frame to obtain second channel indication information; determining that the sub-channel on which the channel response frame is transmitted is idle; and sending data to the first receiving end on the sub-channel that is determined to be idle.

Abstract translation: 公开了一种数据传输方法和数据传输装置。 该方法包括：通过发送端将信道请求帧发送到至少两个子信道上的第一接收端; 在从第一接收端接收到信道响应帧之后由接收端进行解析，获得信道响应帧以获得第二信道指示信息; 确定发送信道响应帧的子信道是空闲的; 并将数据发送到被确定为空闲的子信道上的第一接收端。

公开(公告)号：US20180146469A1

公开(公告)日：2018-05-24

申请号：US15873297

申请日：2018-01-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jun LUO ,  Chixiang MA ,  Jiyong PANG ,  Peter LOC

IPC: H04W72/04 ,  H04L29/06 ,  H04L29/08

Abstract: The present disclosure provides a NAV (network allocation vector) setting method in a wireless communications system and a related device. The method includes: receiving, by a receiving node, a PPDU (physical layer protocol data unit) sent by a transmitting node; determining whether the receiving node satisfies a condition of allowing simultaneous transmission; and if the condition of allowing simultaneous transmission is satisfied, keeping a current NAV value unchanged; or if the condition of allowing simultaneous transmission is not satisfied, decoding the received PPDU to obtain a duration field, and updating the current NAV value of the receiving node according to a value of the duration field.

公开(公告)号：US20200288497A1

公开(公告)日：2020-09-10

申请号：US16825597

申请日：2020-03-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiayin ZHANG ,  Chixiang MA ,  Jun LUO

IPC: H04W74/00

Abstract: A method for indicating TXOP duration in a wireless communication system, comprising: generating, by a TXOP holder, a physical layer protocol data unit (PPDU), the High Efficiency Signal field A (HE-SIGA) in the PPDU carries a TXOP duration field, wherein the TXOP duration field is used to indicate the remaining time for using the channel by the station to other stations; wherein the TXOP duration field includes a first part which is used to indicate the granularity used, and a second part which is used to indicate the TXOP duration using the granularity indicated by the first part; so as that different granularities are able to be used to indicate different TXOP duration in the system; sending, the generated PPDU.

公开(公告)号：US20230059567A1

公开(公告)日：2023-02-23

申请号：US17971173

申请日：2022-10-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiayin ZHANG ,  Chixiang MA ,  Jun LUO

IPC: H04W74/00

Abstract: The present disclosure relates to transmission methods and apparatuses in Wireless Local Area Networks (WLANs). One example method for indicating transmission opportunity (TXOP) duration in a wireless communication system, comprising generating, by a TXOP holder, a physical layer protocol data unit (PPDU), where the High Efficiency Signal field A (HE-SIGA) in the PPDU carries a TXOP duration field, the TXOP duration field is used to indicate the remaining time for using the channel by the station to other stations, the TXOP duration field includes a first part which is used to indicate the granularity used, and a second part which is used to indicate the TXOP duration using the granularity indicated by the first part, and sending the generated PPDU.

公开(公告)号：US20220217690A1

公开(公告)日：2022-07-07

申请号：US17703728

申请日：2022-03-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rongkuan LIU ,  Peng ZHANG ,  Hua XU ,  Chixiang MA

IPC: H04W72/04 ,  H04W4/40

Abstract: This application discloses a communication method and apparatus. The communication method and apparatus are applicable to an Internet of Vehicles, or are applicable to fields such as D2D, intelligent driving, and intelligent network connected vehicles. The method includes: A network apparatus determines an ith sidelink transmission resource of an ith cooperation terminal apparatus, where the ith cooperation terminal apparatus belongs to N cooperation terminals, the ith sidelink transmission resource belongs to the 1st sidelink transmission resource to an Nth sidelink transmission resource, the ith sidelink transmission resource is different from a jth sidelink transmission resource, the jth sidelink transmission resource is a sidelink transmission resource that is of a jth cooperation terminal apparatus and that is determined by the network apparatus, the ith sidelink transmission resource is used by the ith cooperation terminal apparatus to send second data to a target terminal apparatus, the second data is determined based on first data sent by the network apparatus to the ith cooperation terminal apparatus, and the N cooperation terminal apparatuses and the target terminal apparatus belong to a same cooperative transmission group. The network apparatus sends the ith sidelink transmission resource to the ith cooperation terminal apparatus and the target terminal apparatus.

公开(公告)号：US20180331812A1

公开(公告)日：2018-11-15

申请号：US16045214

申请日：2018-07-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xun YANG ,  Chixiang MA ,  Yunbo LI

IPC: H04L5/00 ,  H04W74/08 ,  H04W24/02 ,  H04W28/06

CPC classification number: H04L5/0094 ,  H04L5/0053 ,  H04W24/02 ,  H04W28/065 ,  H04W74/08

Abstract: A data transmission method and a data transmission device are disclosed. The method comprises: sending, by a transmitting end, a channel request frame to a first receiving end on at least two sub-channels; parsing, by a receiving end after receiving a channel response frame from the first receiving end, the channel response frame to obtain second channel indication information; determining that the sub-channel on which the channel response frame is transmitted is idle; and sending data to the first receiving end on the sub-channel that is determined to be idle.

公开(公告)号：US20180324851A1

公开(公告)日：2018-11-08

申请号：US16034498

申请日：2018-07-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiayin ZHANG ,  Chixiang MA ,  Jun LUO

IPC: H04W74/00

Abstract: A method for indicating a transmission opportunity (TXOP) duration in a wireless communication system includes generating, by a TXOP holder, a physical layer protocol data unit (PPDU). The PPDU includes a High Efficiency Signal field A (HE-SIGA), and the HE-SIGA includes a TXOP duration field. The TXOP duration field is used to indicate to other stations a remaining time for using a channel by a station. The TXOP duration field includes a first part which indicates a granularity used, and a second part which indicates the TXOP duration using the granularity indicated by the first part. The TXOP holder sends the generated PPDU.

公开(公告)号：US20170127450A1

公开(公告)日：2017-05-04

申请号：US15408968

申请日：2017-01-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jun LUO ,  Chixiang MA ,  Yingpei LIN

IPC: H04W74/08 ,  H04L12/26 ,  H04L12/707 ,  H04B17/336

CPC classification number: H04W74/0816 ,  H04B7/04 ,  H04B17/336 ,  H04L43/0888 ,  H04L45/24 ,  H04W16/02 ,  H04W40/16 ,  H04W74/0808 ,  Y02D70/142 ,  Y02D70/34

Abstract: The present application provides a data transmission control method and device. The method includes: obtaining a first signal to interference plus noise ratio during serial data transmission performed by a sending node on a potential link, and obtaining a second signal to interference plus noise ratio during serial data transmission on each existing link that causes interference to the potential link; calculating, according to the first signal to interference plus noise ratio and all the second signal to interference plus noise ratios, a first system throughput during the serial data transmission performed by the sending node on the potential link and a second system throughput during parallel data transmission performed by the sending node on the potential link; and controlling, according to the first system throughput and the second system throughput, whether the sending node performs the parallel data transmission on the potential link.

公开(公告)号：US20160309492A1

公开(公告)日：2016-10-20

申请号：US15190893

申请日：2016-06-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chixiang MA ,  Jiayin ZHANG ,  Yingpei LIN ,  Tianyu WU

IPC: H04W72/12 ,  H04W72/04

CPC classification number: H04W72/12 ,  H04W72/0446 ,  H04W74/0808 ,  H04W84/12

Abstract: A multi-carrier aggregation method and apparatus, user equipment, and a network side device are disclosed. The method includes: determining, by a network side device according to information about a transmission resource that is obtained when at least one component carrier is successfully obtained through contention, start and end times of a scheduling phase corresponding to the at least one component carrier, where the scheduling phase is divided by an uplink-downlink switch point into an uplink phase of the scheduling phase and a downlink phase of the scheduling phase, the uplink-downlink switch point is used to divide a time to obtain an uplink time of the component carrier and a downlink time of the component carrier, and uplink-downlink switch points of two or more component carriers are aligned in time; and performing, by the network side device, downlink transmission with user equipment in the downlink phase of the scheduling phase.

Abstract translation: 公开了一种多载波聚合方法和装置，用户设备和网络侧设备。 该方法包括：根据关于当通过竞争成功获得至少一个分量载波获得的传输资源的信息，确定与所述至少一个分量载波对应的调度阶段的开始和结束时间， 其中调度阶段被上行链路 - 下行链路切换点划分为调度阶段的上行链路相位和调度阶段的下行链路相位，上行链路 - 下行链路切换点被用于划分时间以获得组件的上行链路时间 载波和分量载波的下行链路时间，并且两个或更多个分量载波的上行链路 - 下行链路切换点在时间上对齐; 并且由所述网络侧设备在所述调度阶段的下行链路阶段中执行与用户设备的下行链路传输。

公开(公告)号：US20160295612A1

公开(公告)日：2016-10-06

申请号：US15170670

申请日：2016-06-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yunbo LI ,  Chixiang MA

IPC: H04W74/08 ,  H04W76/04 ,  H04W74/00 ,  H04W84/12

Abstract: Embodiments of the present invention provide an information sending method and apparatus. The information sending method in the present invention includes: performing, by a transmit station, channel contention; sending, by the transmit station, indication information after successfully obtaining a channel through contention, where the indication information is used for indicating that a receive station cannot actively initiate data transmission in at least two discontinuous time periods; and sending, by the transmit station, data in the at least two discontinuous time periods. According to the embodiments of the present invention, multiple discontinuous time periods are flexibly reserved in some discontinuous data transmission scenarios, and channel resources are saved.

Abstract translation: 本发明的实施例提供一种信息发送方法和装置。 本发明的信息发送方法包括：通过发送台进行信道争用; 发送站发送通过争用成功获得信道之后的指示信息，其中指示信息用于指示接收站不能在至少两个不连续时间段内主动发起数据传输; 以及由所述发送站发送所述至少两个不连续时间段中的数据。 根据本发明的实施例，在一些不连续的数据传输场景中灵活地保留了多个不连续的时间段，并节省了信道资源。