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公开(公告)号:US20240019540A1
公开(公告)日:2024-01-18
申请号:US18338965
申请日:2023-06-21
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Rui DU , Xiao HAN , Chenchen LIU , Meihong ZHANG , Wei LIN , Xun YANG , Zhengchun ZHOU , Xianfu LEI , Xiaohu TANG
Abstract: A data transmission method. A physical layer protocol data unit (PPDU) is generated. The PPDU includes a training field. The training field includes a sequence used for target sensing. The PPDU is sent.
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公开(公告)号:US20230254061A1
公开(公告)日:2023-08-10
申请号:US18300506
申请日:2023-04-14
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Wei RUAN , Wei LIN , Tingwu WANG , Xuqiang SHEN , Qian WANG , Muhu LI
CPC classification number: H04L1/0003 , H04L27/2602 , H04W84/12
Abstract: In the field of communication technologies, a communication method for a wireless fidelity (Wi-Fi) system and an apparatus provide improved performance of demodulating a Wi-Fi frame by the apparatus. The communication method for the wireless fidelity (Wi-Fi) system includes: generating a Wi-Fi frame including a first preamble field, where the first preamble field indicates a modulation and coding scheme MCS of at least one symbol in a data field in the Wi-Fi frame, an MCS order of first m symbols in the at least one symbol is less than an MCS order of another symbol, and m is a positive integer greater than or equal to 1; and transmitting the Wi-Fi frame.
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公开(公告)号:US20230017934A1
公开(公告)日:2023-01-19
申请号:US17941552
申请日:2022-09-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Jiahui LI , Mengyao MA , Min YAN , Wei LIN
IPC: H04N19/34 , H04N19/124
Abstract: This application discloses image encoding and decoding methods and apparatuses. The image encoding method includes performing, by a source device, compression encoding on an image to obtain base layer information. The method further includes obtaining enhancement layer information based on the base layer information and the image. The method further includes obtaining control layer information. The method further includes performing encoding and modulation on the control layer information, the base layer information, and the enhancement layer information separately to obtain a plurality of symbol sets. The method further includes mapping the plurality of symbol sets to a resource for sending. Embodiments of this application may ensure robustness in a transmission process and improve overall compression efficiency and performance.
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公开(公告)号:US20220377745A1
公开(公告)日:2022-11-24
申请号:US17883369
申请日:2022-08-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Genadiy TSODIK , Shimon SHILO , Doron EZRI , Oded REDLICH , Wei LIN , Jun LUO
IPC: H04W72/04
Abstract: The method includes: receiving, by a second transmit end, policy information sent by a first transmit end, where the second transmit end belongs to a second BSS, the first transmit end is a transmit end that is in a first basis service set and that transmits data by using a first link, and the policy information is used to indicate a condition that the second transmit end needs to satisfy to transmit data by using a second link, or used to indicate whether the second transmit end is allowed to transmit data by using a second link; and determining, by the second transmit end based on the policy information, whether to transmit data by using the second link. According to the wireless communication method, a spatial reuse transmission policy can be adjusted dynamically based on an actual situation of a current network. This improves a system throughput.
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公开(公告)号:US20210336719A1
公开(公告)日:2021-10-28
申请号:US17372091
申请日:2021-07-09
Applicant: Huawei Technologies Co., Ltd.
Inventor: Yan XIN , Wei LIN , Kwok Shum AU
Abstract: Methods and devices are disclosed for transmitting data, including segmenting a group of information bits into a set of information blocks that each include a respective plurality of the information bits; encoding, using low density parity check (LDPC) encoding, each of the information blocks to generate corresponding codewords; transmitting the codewords to a destination station; receiving a feedback message indicating that at least one of the codewords has not been successfully decoded by the destination station; interleaving the information bits of the information block that corresponds to the at least one of the codewords; encoding, using low density parity check (LDPC) encoding, the interleaved information bits to generate an interleaved codeword; and transmitting the interleaved codeword to the destination station.
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公开(公告)号:US20210067394A1
公开(公告)日:2021-03-04
申请号:US17018769
申请日:2020-09-11
Applicant: Huawei Technologies Co., Ltd.
Inventor: Meilu LIN , Sheng LIU , Wei LIN , Jian YU , Le LIU , Xun YANG , Shimon SHILO , Doron EZRI , Genadiy TSODIK , Oded REDLICH
Abstract: Embodiments of the present invention provide a physical layer protocol data unit PPDU transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present invention enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.
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公开(公告)号:US20200344104A1
公开(公告)日:2020-10-29
申请号:US16870570
申请日:2020-05-08
Applicant: Huawei Technologies Co., Ltd.
Inventor: Wei LIN , Xin XUE , Ningjuan WANG , Le LIU
Abstract: An HE-LTF transmission method is provided, including: determining, based on a total number NSTS of space-time streams, a number NHELTF of OFDM symbols included in an HE-LTF field; determining a HE-LTF sequence in frequency domain according to a transmission bandwidth and a mode of the HE-LTF field, where the HE-LTF sequence in frequency domain includes but is not limited to a mode of the HE-LTF field sequence that is in a 1× mode and that is mentioned in implementations; and sending a time-domain signal according to the number NHELTF of OFDM symbols and the determined HE-LTF sequence in frequency domain. In the foregoing solution, a PAPR value is relatively low.
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公开(公告)号:US20190319709A1
公开(公告)日:2019-10-17
申请号:US16455426
申请日:2019-06-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Gang ZHENG , Xifeng WAN , Wei LIN
Abstract: A method for managing an optical network unit (ONU), an apparatus, and a system are disclosed. A message for obtaining a management mode supported by an ONU is sent, where the management mode supported by the ONU includes one or more of an OMCI mode, an OAM management mode, a NETCONF management mode, a TR069 management mode, and a SNMP management mode; a management mode sent by the ONU is received; a management mode to be used for the ONU is selected based on the management mode supported by the ONU, and is sent to the ONU. In this way, a plurality of existing management mechanisms of the ONU are compatible with each other, management of the ONU is simplified, and efficiency of managing the ONU is improved.
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公开(公告)号:US20180317233A1
公开(公告)日:2018-11-01
申请号:US16030644
申请日:2018-07-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Genadiy TSODIK , Shimon SHILO , Doron EZRI , Oded REDLICH , Wei LIN , Jun LUO
CPC classification number: H04W72/082 , H04W16/10 , H04W16/14 , H04W24/02 , H04W74/0808 , H04W76/10 , H04W76/15 , H04W84/12
Abstract: The method includes: receiving, by a second transmit end, policy information sent by a first transmit end, where the second transmit end belongs to a second BSS, the first transmit end is a transmit end that is in a first basis service set and that transmits data by using a first link, and the policy information is used to indicate a condition that the second transmit end needs to satisfy to transmit data by using a second link, or used to indicate whether the second transmit end is allowed to transmit data by using a second link; and determining, by the second transmit end based on the policy information, whether to transmit data by using the second link. According to the wireless communication method, a spatial reuse transmission policy can be adjusted dynamically based on an actual situation of a current network. This improves a system throughput.
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公开(公告)号:US20180309607A1
公开(公告)日:2018-10-25
申请号:US16017083
申请日:2018-06-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Genadiy TSODIK , Ningjuan WANG , Jian YU , Xin XUE , Shimon SHILO , Doron EZRI , Oded REDLICH , Le LIU , Wei LIN
Abstract: The present application provides a method for determining a CP. A STA performs channel estimation, determines a CP value according to the result of channel estimation, and sends indication information to an AP, wherein the indication information is used for indicating the CP value, so that the AP may choose a suitable CP according to the indication information. Therefore, overhead may be reduced and system throughput may be optimized.
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