公开(公告)号：US20240291588A1

公开(公告)日：2024-08-29

申请号：US18659114

申请日：2024-05-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chenchen LIU ,  Xun YANG

IPC: H04L1/00

CPC classification number: H04L1/0036 ,  H04L1/0033 ,  H04L1/0057

Abstract: An example data transmission method includes: generating a physical layer protocol data unit (PPDU), where the PPDU includes a physical layer payload field, the physical layer payload field is used to carry a first data bit, and the first data bit is determined based on a first mapping relationship and a to-be-transmitted data bit; and sending the PPDU. The data transmission method can improve a data transmission rate and enhance transmission performance of a system. A corresponding example data receiving method, and apparatuses are also described.

公开(公告)号：US20240188059A1

公开(公告)日：2024-06-06

申请号：US18438651

申请日：2024-02-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD

Inventor： Chenchen LIU ,  Mingjiang WU ,  Xianfu LEI ,  Xiaohu TANG

IPC: H04W72/0453 ,  H04L27/26 ,  H04W72/542

CPC classification number: H04W72/0453 ,  H04L27/2634 ,  H04W72/542

Abstract: This application provides a data transmission method and a communication apparatus. The method includes: A first device receives a trigger frame, where the trigger frame indicates a resource unit RU allocated to the first device; and the first device sends first data to a second device, where the first data occupies a discrete subcarrier in the RU. Based on the method provided by this application, a transmit power of a subcarrier can be increased, and transmission performance can be ensured.

公开(公告)号：US20240187153A1

公开(公告)日：2024-06-06

申请号：US18437472

申请日：2024-02-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian YU ,  Chenchen LIU ,  Mengshi HU ,  Ming GAN

IPC: H04L5/00 ,  H04L1/00 ,  H04W80/00

CPC classification number: H04L5/0023 ,  H04L1/0003 ,  H04L5/0053 ,  H04W80/00

Abstract: A method includes: A transmitter device generates a link adaptation physical layer protocol data unit LA PPDU, where a signal of the LAPPDU on some of resources is a null signal, and the resources include any one or more of the following: a time resource, a frequency resource, a space resource, a time-frequency resource, a time-space resource, a frequency-space resource, and a time-space-frequency resource; the transmitter device sends the LA PPDU to a receiver device; and the receiver device determines a link adaptation result based on the null signal of the LA PPDU on the some of the resources.

公开(公告)号：US20240163154A1

公开(公告)日：2024-05-16

申请号：US18410379

申请日：2024-01-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Baojian ZHOU ,  Chenchen LIU ,  Jiajin LUO ,  Xiaohui PENG ,  Xiaoyue HOU

IPC: H04L27/26

CPC classification number: H04L27/2646 ,  H04L27/26025

Abstract: Embodiments of the present invention disclose Orthogonal Frequency Division Multiplexing (OFDM) signal generation methods, related devices, and related application systems. An example method may include: obtaining parameter information of an OFDM signal; determining N first subcarriers and P second subcarriers from M subcarriers based on a preset parameter D; separately allocating signal power to the N first subcarriers and the P second subcarriers in two phases, to determine waveforms of the two phases, that is, a first waveform and a second waveform; and generating an OFDM signal including waveform symbols of the two phases.

公开(公告)号：US20240154748A1

公开(公告)日：2024-05-09

申请号：US18398660

申请日：2023-12-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yuxin LU ,  Chenchen LIU ,  Ming GAN ,  Yunbo LI

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0048 ,  H04L27/2613

Abstract: This application provides a method for sending data in a wireless network, and a related apparatus. The method includes: A first device determines a distributed RU allocated to the first device, where the distributed RU includes data subcarriers and pilot subcarriers, all subcarriers of one distributed RU are distributed on a first frequency band, a size of the first frequency band is 20 MHz, the first frequency band includes a maximum of 18 pilot subcarriers that are disposed at an interval, a quantity of pilot subcarriers included in one distributed RU is greater than or equal to 2, and at least two pilot subcarriers included in one distributed RU are spaced by at least M pilot subcarriers; and the first device sends a physical layer protocol data unit PPDU on the distributed RU.

公开(公告)号：US20240137177A1

公开(公告)日：2024-04-25

申请号：US18390551

申请日：2023-12-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Baojian ZHOU ,  Jiajin LUO ,  Yongxia LYU ,  Chenchen LIU ,  Xiaohui PENG ,  Xiaoyue HOU

IPC: H04L5/00

CPC classification number: H04L5/0051 ,  H04L5/0007 ,  H04L5/0094

Abstract: This application provides a wireless sensing method and an apparatus. The method includes: A first communication apparatus receives a first signal and a second signal based on a first transmission parameter set and a second transmission parameter set respectively, and performs sensing based on the first signal and the second signal, to obtain a sensing result. The first transmission parameter set corresponds to the first signal, at least one parameter in the first transmission parameter set meets a first condition, and the first condition is related to a targeted ranging coverage; and the second transmission parameter set corresponds to the second signal, at least one parameter in the second transmission parameter set meets a second condition, and the second condition is related to targeted sensing precision.

公开(公告)号：US20240121306A1

公开(公告)日：2024-04-11

申请号：US18541477

申请日：2023-12-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mengshi HU ,  Xiao HAN ,  Rui DU ,  Jian YU ,  Chenchen LIU ,  Yi LV ,  Xun YANG

IPC: H04L67/12 ,  H04W76/12

CPC classification number: H04L67/12 ,  H04W76/12

Abstract: This application provides a feedback indication method and apparatus, to more comprehensively indicate a feedback, so as to improve applicability of a sensing technology in a scenario of a plurality of devices and a plurality of interactions. The method and the apparatus may be applied to a communication system. The method includes: A first device generates a first frame, and sends the first frame. The first frame includes first information, and the first information indicates a feedback type of a first feedback and/or a feedback type of a second feedback. The first feedback and the second feedback are feedbacks at different levels.

公开(公告)号：US20240098753A1

公开(公告)日：2024-03-21

申请号：US18521920

申请日：2023-11-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bo GONG ,  Chenchen LIU ,  Mengshi HU ,  Jian YU ,  Ming GAN

IPC: H04W72/231 ,  H04L1/00 ,  H04W72/0453

CPC classification number: H04W72/231 ,  H04L1/0061 ,  H04W72/0453

Abstract: A method comprises: a second communication apparatus sends a trigger frame, to trigger at least one first communication apparatus that includes a first communication apparatus to transmit an uplink PPDU. After receiving the trigger frame, the at least one first communication apparatus sends the PPDU to the second communication apparatus based on the trigger frame. The PPDU includes a data field and an STF sequence, the data field is carried in a distributed RU, the distributed RU includes a plurality of subcarrier groups that are discrete in frequency domain, one of the subcarrier groups includes one subcarrier or includes at least two consecutive subcarriers, the STF sequence is carried on all subcarriers of a plurality of consecutive RUs, the plurality of consecutive RUs are consecutive RUs corresponding to the distributed RU, and each of the consecutive RUs includes a plurality of subcarriers that are consecutive in frequency domain.

公开(公告)号：US20240057059A1

公开(公告)日：2024-02-15

申请号：US18490529

申请日：2023-10-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian YU ,  Yunbo LI ,  Mengshi HU ,  Chenchen LIU ,  Ming GAN

IPC: H04W72/044 ,  H04L5/00

CPC classification number: H04W72/0466 ,  H04L5/0048

Abstract: A receiving device is disclosed that receives a non-EHT PPDU that includes a service field and that is sent by a sending device, where the service field includes a first field whose bit quantity is m, and m≥1; and the receiving device determines, based on the first field, an initialization state of a scrambling code sequence corresponding to an extremely-high throughput physical layer protocol data unit EHT PPDU, where a bit quantity of the initialization state of the scrambling code sequence is greater than the bit quantity of the first field.

公开(公告)号：US20240031050A1

公开(公告)日：2024-01-25

申请号：US18446764

申请日：2023-08-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rui DU ,  Qian ZHANG ,  Xiao HAN ,  Xun YANG ,  Chenchen LIU ,  Meihong ZHANG ,  Yingxiang SUN ,  Yun ZHANG ,  Yang LI

IPC: H04J13/00 ,  H04L25/02

CPC classification number: H04J13/0014 ,  H04L25/0242

Abstract: This application discloses a signal processing method and an apparatus. The method includes: A transmit device generates a PPDU, and sends the PPDU; and a receive device receives the PPDU, and processes M sequences carried in the PPDU. The PPDU shown in this application includes a first field, the first field is used for carrying M sequences, the M sequences correspond to M space-time streams, one sequence corresponds to one space-time stream, and M is a positive integer. According to the method provided in this application, sequence sending efficiency can be effectively improved.