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公开(公告)号：EP4050829A1
公开(公告)日：2022-08-31
申请号：EP20886709.3
申请日：2020-11-13
发明人： LIANG, Dandan , GU, Zhi , LIN, Wei , GAN, Ming , LEI, Xianfu , ZHOU, Zhengchun
摘要： This application provides a method and apparatus for transmitting a physical layer protocol data unit, so as to design a long training field sequence for a larger channel bandwidth. The method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a long training field, a length of a frequency domain sequence of the long training field is greater than a first length, and the first length is a length of a frequency domain sequence of a long training field of a PPDU transmitted over a channel whose bandwidth is 160 MHz; and sending the PPDU over a target channel, where a bandwidth of the target channel is greater than 160 MHz.
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公开(公告)号：EP4358479A3
公开(公告)日：2024-05-08
申请号：EP23213885.9
申请日：2020-11-13
发明人： LIANG, Dandan , GU, Zhi , LIN, Wei , GAN, Ming , LEI, Xianfu , ZHOU, Zhengchun
CPC分类号： H04L27/262 , H04L27/2613 , H04L27/26134 , H04L25/0226 , H04L5/0048 , H04L5/0007 , H04W84/12
摘要： This application provides a method and apparatus for transmitting a physical layer protocol data unit, so as to design a long training field sequence for a larger channel bandwidth. The method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a long training field, a length of a frequency domain sequence of the long training field is greater than a first length, and the first length is a length of a frequency domain sequence of a long training field of a PPDU transmitted over a channel whose bandwidth is 160 MHz; and sending the PPDU over a target channel, where a bandwidth of the target channel is greater than 160 MHz.
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公开(公告)号：EP4432636A1
公开(公告)日：2024-09-18
申请号：EP22906518.0
申请日：2022-12-12
发明人： DU, Rui , ZHOU, Zhengchun , SHEN, Bingsheng , TANG, Xiaohu , LIU, Chenchen , HAN, Xiao
IPC分类号： H04L69/323
CPC分类号： Y02D30/70 , H04L69/322 , H04L69/323 , H04L69/16
摘要： Embodiments of this application disclose a signal processing method and an apparatus, to effectively improve sequence sending efficiency. The method includes: A first communication apparatus generates a PPDU, and then sends the PPDU. Correspondingly, a second communication apparatus receives the PPDU, and performs processing based on M sequences in a first field included in the PPDU. The PPDU includes the first field, the first field includes the M sequences, cross correlation energy between one of the M sequences and each of m sequences is less than or equal to a first threshold in a reference range, the reference range indicates a range corresponding to a sequence in the M sequences constructed based on a Golay complementary sequence, M is an integer greater than or equal to 3, and m is an integer less than M and greater than or equal to 2.
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公开(公告)号：EP4387355A1
公开(公告)日：2024-06-19
申请号：EP22860243.9
申请日：2022-08-09
发明人： LIU, Chenchen , ZHOU, Yajing , ZHOU, Zhengchun , YANG, Yang
CPC分类号： H04W72/53 , H04W72/0453 , H04L25/02 , H04W72/04
摘要： A long training field sequence transmission method and a communication apparatus are provided, to send an LTF sequence on a discrete RU, and reduce a PAPR. The method includes: A STA determines an LTF sequence, where the LTF sequence is denoted as a first LTF sequence, the first LTF sequence is a sequence segment that is in a total LTF sequence corresponding to a channel bandwidth and that corresponds to a first RU, N subcarriers in the channel bandwidth are in a one-to-one correspondence with N components of the total LTF sequence, the first RU is M consecutive first subcarriers in the N subcarriers, the first LTF sequence is M components in the N components, and there is a correspondence between the M consecutive first subcarriers and the M components; and the STA sends the first LTF sequence to an AP on a discrete RU, where the discrete RU includes M inconsecutive second subcarriers, and the M components of the first LTF sequence are respectively sent on the M inconsecutive second subcarriers.
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公开(公告)号：EP4040821A1
公开(公告)日：2022-08-10
申请号：EP21818702.9
申请日：2021-06-07
发明人： LIANG, Dandan , GAN, Ming , YANG, Yang , LEI, Xianfu , LIU, Chenchen , ZHOU, Zhengchun , LIN, Wei , TANG, Xiaohu
摘要： This application provides a method for transmitting a physical layer protocol data unit, including: generating a physical layer protocol data unit (physical protocol data unit, PPDU), where the PPDU includes a long training field (long training field, LTF), a length of a frequency-domain sequence of the LTF is greater than a first length, and the first length is a length of a frequency-domain sequence of an LTF of a PPDU transmitted over a channel whose bandwidth is 160 MHz; and sending the PPDU over a target channel, where a bandwidth of the target channel is greater than 160 MHz. The frequency-domain sequence of the LTF provided in this embodiment of this application considers a phase rotation at a non-pilot location, a plurality of puncturing patterns for 240 MHz/320 MHz, and multiple RU combination, so that a finally provided frequency-domain sequence of the LTF has relatively small PAPR values on multiple RUs in the plurality of puncturing patterns for 240 MHz/320 MHz.
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公开(公告)号：EP4358479A2
公开(公告)日：2024-04-24
申请号：EP23213885.9
申请日：2020-11-13
发明人： LIANG, Dandan , GU, Zhi , LIN, Wei , GAN, Ming , LEI, Xianfu , ZHOU, Zhengchun
IPC分类号： H04L27/26
CPC分类号： H04L27/262 , H04L27/2613 , H04L27/26134 , H04L25/0226 , H04L5/0048 , H04L5/0007 , H04W84/12
摘要： This application provides a method and apparatus for transmitting a physical layer protocol data unit, so as to design a long training field sequence for a larger channel bandwidth. The method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a long training field, a length of a frequency domain sequence of the long training field is greater than a first length, and the first length is a length of a frequency domain sequence of a long training field of a PPDU transmitted over a channel whose bandwidth is 160 MHz; and sending the PPDU over a target channel, where a bandwidth of the target channel is greater than 160 MHz.
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公开(公告)号：EP4250864A1
公开(公告)日：2023-09-27
申请号：EP21905169.5
申请日：2021-09-17
发明人： DU, Rui , ZHANG, Mingxing , HAN, Xiao , LIU, Chenchen , SUN, Yingxiang , TAN, Danny Kai Pin , LIN, Wei , YANG, Xun , ZHOU, Zhengchun , YANG, Yang
摘要： This application relates to the field of sensing technologies, and may be used for speed measurement and ranging in a sensing system, and specifically, to a data transmission method. The method includes: generating a physical layer protocol data unit PPDU, where the PPDU includes a training field, and the training field includes a sequence used for target sensing; and sending the PPDU. According to technical solutions provided in this application, target sensing can be performed in an existing standard related to high frequency band, and sensing performance is improved.
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公开(公告)号：EP4167534A1
公开(公告)日：2023-04-19
申请号：EP21838819.7
申请日：2021-07-08
发明人： LIANG, Dandan , GAN, Ming , ZHOU, Zhengchun , LEI, Xianfu , LIU, Chenchen , YANG, Yang , LIN, Wei , TANG, Xiaohu
摘要： This application relates to the field of wireless communication, and in particular, to a method for transmitting a physical layer protocol data unit and a related apparatus. For example, this application is applied to a wireless local area network supporting the 802.11be standard. The method includes: A first communication device generates and sends a PPDU over a first bandwidth. The first bandwidth is greater than or equal to 80 MHz. Correspondingly, a second communication device parses the received PPDU to obtain an LTF sequence included in the PPDU. The LTF sequence is generated based on a first LTF sequence. The first LTF sequence is not a high efficiency LTF sequence. According to embodiments of this application, an LTF sequence applicable to channel estimation can be designed for a larger bandwidth. This provides a basis for subsequent channel estimation.
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公开(公告)号：EP4152671A1
公开(公告)日：2023-03-22
申请号：EP21822751.0
申请日：2021-06-08
发明人： LIANG, Dandan , GAN, Ming , LEI, Xianfu , ZHOU, Zhengchun , LIU, Chenchen , YANG, Yang , LIN, Wei , TANG, Xiaohu
摘要： This application provides a method for transmitting a physical layer protocol data unit. The method includes: generating a physical layer protocol data unit (physical layer protocol data unit, PPDU), where the PPDU includes a long training field (long training field, LTF), a length of a frequency-domain sequence of the LTF is greater than a first length, and the first length is a length of a frequency-domain sequence of an LTF of a PPDU transmitted over a channel whose bandwidth is 160 MHz; and sending the PPDU over a target channel, where a bandwidth of the target channel is greater than 160 MHz. A phase rotation at a non-pilot location, a plurality of puncturing patterns for 240 MHz/320 MHz, and multiple RU combination are considered for the frequency-domain sequence of the LTF provided in this embodiment of this application, so that the finally provided frequency-domain sequence of the LTF has a small PAPR value on multiple RU combination in the plurality of puncturing patterns for 240 MHz/320 MHz.
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公开(公告)号：EP4418580A2
公开(公告)日：2024-08-21
申请号：EP24169854.7
申请日：2021-06-07
发明人： LIANG, Dandan , GAN, Ming , YANG,, Yang , LEI, Xianfu , LIU, Chenchen , ZHOU, Zhengchun , LIN, Wei , TANG, Xiaohu
IPC分类号： H04L1/00
CPC分类号： H04W84/12 , H04L27/2613 , H04L27/2614 , H04L27/26132 , Y02D30/70
摘要： This application provides a method for transmitting a physical layer protocol data unit, including: generating a physical layer protocol data unit (physical protocol data unit, PPDU), where the PPDU includes a long training field (long training field, LTF), a length of a frequency-domain sequence of the LTF is greater than a first length, and the first length is a length of a frequency-domain sequence of an LTF of a PPDU transmitted over a channel whose bandwidth is 160 MHz; and sending the PPDU over a target channel, where a bandwidth of the target channel is greater than 160 MHz. The frequency-domain sequence of the LTF provided in this embodiment of this application considers a phase rotation at a non-pilot location, a plurality of puncturing patterns for 240 MHz/320 MHz, and multiple RU combination, so that a finally provided frequency-domain sequence of the LTF has relatively small PAPR values on multiple RUs in the plurality of puncturing patterns for 240 MHz/320 MHz.
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