Huawei Technologies Co., Limited

Ming Gan

Yunbo Li

Jian Yu

Xun Yang

Yuchen Guo

Dandan Liang

Mengshi Hu

Meilu Lin

Guogang Huang

Yiqing Li

Le Liu

Chenchen Liu

Xin Zuo

Shimon Shilo

Jia Ya Jia

Tao Wu

Oded Redlich

Genadiy Tsodik

Yan Xin

Peter Loc

Xiao Han

Mao Yang

Wei Bin Lin

Doron Ezri

Wei Lin

Yanchun Li

Jingjing Huang

Jian Ding

Jiayin Zhang

Bo Li

Osama S Aboul-Magd

Kwok Shum Au

Min Yan

Yun Liu

Jung Hoon Suh

Jun Zhu

Yifan Zhou

Leonid Epstein

Bo Gong

Yuxin Lu

Mengyao Ma

Yaron Ben-Arie

Xun Zhou

Xianfu Lei

Chenlong Jia

Kaifeng Xia

Zhengchun Zhou

Zhaoxia Liu

Guido Montorsi

Sergio Benedetto

Yang Yang

Xiaohu Tang

Zhongjiang Yan

Ezer Melzer

Meihong Zhang

Avi Weitzman

Yoav Levinbook

Osama Aboul-magd

Ju Cao

Zhi Gu

Ohad Klausner

Osama Aboul-Magd

Jinzhe Pan

Embodiments of this application provide a communication method between multi-link devices and an apparatus, and relate to the field of communications technologies, to reduce power consumption of a station multi-link device. The method includes: a multi-link device includes a plurality of STAs, one STA operates on one of a plurality of links, and the STA determines a primary link in the plurality of links. A STA operating on the primary link in the multi-link device may receive information sent by the AP indicating whether the STA operating on the primary link has a downlink traffic, and/or information indicating whether a STA operating on a link other than the primary link has a downlink traffic. Therefore, the STA operating on the primary link may determine a link on which the STA having a downlink traffic operates in the multi-link device.

Communication method between multi-link devices and apparatus

This application provides bandwidth indication methods and communication apparatuses and can be applied, for example, in a wireless local area network supporting IEEE 802.11be standard. In an example method, an access point generates a physical layer protocol data unit (PPDU), where a transmission bandwidth of the PPDU is divided into a plurality of segments, the PPDU includes a universal signal (U-SIG) field carried on a segment, the U-SIG field includes a bandwidth field, and the bandwidth field indicates a channel bandwidth of a resource unit allocated to a station parked in the segment. The access point sends the PPDU to the station.

Bandwidth indication method applied in wireless local area network and communication apparatus

A data transmission method and apparatus applied to the wireless communications field, where the method includes receiving, by a first access point (AP), cooperation configuration information from a second AP, where the cooperation configuration information of the second AP indicates basic cooperation information of the second AP to the first AP, and triggering, by the first AP based on a quantity of spatial streams allocated through cooperation, at least one cooperation station (STA) associated with the first AP to perform uplink data transmission using a quantity of spatial streams allocated by the first AP.

Data transmission method and apparatus

This application provides data transmission methods and apparatuses, to introduce a buffer status report (BSR) mechanism through multi-link (ML) cooperation, to improve performance of scheduling a station by an ML device. In an example method, a multi-link transmit end determines BSR signaling sent to a multi-link receive end, where the BSR signaling can enable the multi-link receive end to schedule a station of the multi-link transmit end over one or more links. Further, the multi-link transmit end sends the B SR signaling to the multi-link transmit end over the one or more links. This introduces a BSR mechanism through ML cooperation.

Data transmission method, data transmission apparatus and non-transitory computer-readable storage medium for tid-to-link mapping

Embodiments of this application provide data processing methods, computer program products, computer-readable storage medium and apparatuses. In an embodiment, a method includes: inputting bits in a coded bitstream into a first interleaver, wherein the coded bitstream is allocated to a first resource unit (RU) for a first user, wherein the first RU comprises M RUs, and M is an integer greater than 1, and reordering the bits in the coded bitstream by using the first interleaver, wherein a number Nof data subcarriers of the first interleaver is a positive integer within [N/Q, N/Q], wherein Nis a sum of data subcarriers comprised in the first RU, Nis a sum of subcarriers comprised in the first RU, and Q is a number of data subcarriers to which a bit is mapped.

Data processing method and apparatus

A link reachability determining method to enable a multi-link device to determine whether a link is reachable in an uplink direction, includes: a multi-link STA receives a first frame sent by a multi-link AP on a first link, where the first frame includes transmit power and antenna gain information of each AP of the multi-link AP; and then, the multi-link STA determines, based on the first frame, whether each of M links supported by the multi-link STA is reachable in an uplink direction.

Link reachability determining method and apparatus

A data transmission method and a communication apparatus are disclosed. The method includes: determining an aggregated physical layer protocol data unit (A-PPDU), where the A-PPDU includes at least two PPDUs belonging to different protocols, the A-PPDU includes a first sequence, the first sequence includes N segments of subsequences, any of the N segments of subsequences is obtained by performing phase rotation on a high efficiency-long training field (HE LTF) sequence and/or an extreme high throughput-long training field (EHT LTF) sequence based on a phase rotation parameter corresponding to the HE LTF sequence and/or a phase rotation parameter corresponding to the EHT LTF sequence, N phase rotation parameters corresponding to the N segments of subsequences include at least one phase rotation parameter whose value is −1, and N is a positive integer greater than or equal to 2; and sending the A-PPDU.

Data transmission method and communication apparatus

This application provides a communication method and an apparatus. One example method includes receiving, by a first device in a first device set, a measurement signal sent by a second device; and sending, by the first device, a feedback signal based on the measurement signal, wherein the feedback signal carries information that indicates, to a third device, a device that is in the first device set and that is paired with the second device, and the feedback signal carries a device identifier of the second device.

Full-duplex communication method and apparatus

This application relates to the wireless communication field, and in particular, to critical basic service set (BSS) parameter management method applicable to multiple links and a related apparatus that are applied to, for example, a wireless local area network supporting the 802.11be standard. A first access point (AP) in a first access point multi-link device (AP MLD) generates and sends a first frame, where the first frame indicates critical BSS parameter update count values corresponding to a plurality of APs in the first AP MLD and critical BSS parameter update count values corresponding to a plurality of APs in a second AP MLD, and the second AP MLD is an AP MLD to which a nontransmitted AP belongs in a multiple basic service set identifier (BSSID) set including the first AP.

Critical BSS parameter management method applicable to multiple link and related apparatus

This application describes resource unit indication methods, access points, and a stations. In an example method, a resource unit allocation subfield in a trigger frame includes a frequency band range indication and a resource unit indication. The resource unit indication is used to indicate a multiple resource unit (MRU) allocated to a station. The frequency band range indication is used to indicate a frequency band range in which a resource unit (RU) in the MRU is located. For example, the frequency band range indication is used to indicate 80 MHz in which a smallest RU in the MRU is located. The described techniques can be applied to, for example, 802.11ax, 802.11be, and future Wi-Fi systems.

Resource unit indication method, access point, and station

The technology of this disclosure relates to a signal modulating method, a signal demodulating method, a device, a storage medium, and a program product. In the signal modulating method according to a first aspect of this disclosure, a sending device modulates a bit sequence onto a plurality of subcarriers through binary phase shift keying (BPSK) constellation point mapping, dual carrier modulation (DCM), and a duplication (DUP) operation, where the plurality of subcarriers include a first group of subcarriers and a second group of subcarriers. Then, the sending device changes a phase of first data carried in the first group of subcarriers by 90 degrees or minus 90 degrees, and further generates a modulation signal based on the first data that is carried in the first group of subcarriers and whose phase has been changed and second data carried in the second group of subcarriers.

Signal modulating method, signal demodulating method, device, storage medium and program product

A data transmission method includes: generating a first data packet, where a signaling field in the first data packet includes bandwidth information and space-time stream information, the bandwidth information is used to indicate first bandwidth, and the space-time stream information is used to indicate k first space-time stream quantities corresponding to k receive ends, where k≥1; and sending the first data packet to the k receive ends, where a maximum value of the first bandwidth is greater than 160 MHz, and/or the k first space-time stream quantities meet a preset condition, where the preset condition includes: when k=1, a maximum value of the first space-time stream quantity indicated by the space-time stream information is greater than 8, and when k>1, a maximum value of a sum of the k first space-time stream quantities is greater than 8.

Data transmission method, apparatus, and system

Embodiments provide a resource scheduling method, which can support reduction of transmission resource overheads in resource scheduling. The method is applied to a wireless local area network, where a next generation protocol followed by the wireless local area network predefines locations of resource units possibly allocated from a to-be-assigned frequency domain resource. The method includes: generating, by a sending end, resource scheduling information, where the resource scheduling information includes a bit sequence to indicate an actual allocation of a resource unit(s) from the to-be-assigned frequency domain resource, and at least some bits in the bit sequence are to indicate whether one or more of said resource unit locations possibly allocated for the to-be-assigned frequency domain resource is\are the actually allocated resource unit(s).

Resource scheduling method, apparatus, and device

A method for transmitting an extremely high throughput long training field (EHT-LTF) sequence includes: A first communication device generates and sends an extremely high throughput physical layer protocol data unit (EHT PPDU), where the EHT PPDU includes an EHT-LTF; and correspondingly, a second communication device receives the EHT PPDU, and parses the EHT-LTF in the received EHT PPDU. In this way, an LTF sequence can be designed for the IEEE 802.11be standard, and a PAPR value of the LTF sequence on a resource unit can be reduced.

EHT-LTF sequence transmission method and related apparatus

This application discloses methods and apparatuses applicable to multiple links, for example, in a wireless local area network supporting an 802.11be standard. In an example, a first station (STA) of a first non-access-point multi-link device (non-AP MLD) receives individually addressed traffic indication information that indicates whether the first non-AP MLD associated with a first access point multi-link device (AP MLD) has a downlink individually addressed traffic and whether a second non-AP MLD associated with a second AP MLD has a downlink individually addressed traffic. The second AP MLD is an AP MLD to which a non-transmitted AP belongs, and the non-transmitted AP is in a multiple basic service set identifier (BSSID) set in which the first AP is located. The first STA determines whether the first non-AP MLD has a downlink individually addressed traffic according to the individually addressed traffic indication information.

Individually addressed traffic indication method applicable to multiple links and related apparatus

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Shenzhen, China

Ming Gan