-
公开(公告)号：US20240056852A1
公开(公告)日：2024-02-15
申请号：US18492609
申请日：2023-10-23
发明人： Mengshi HU , Yingxiang SUN , Chenchen LIU , Xiao HAN , Rui DU , Meihong ZHANG , Xun YANG
摘要： Embodiments of this application provide a communication method and apparatus, to improve robustness of a communication process and improve accuracy of a sensing result. The communication method includes: generating a first physical layer protocol data unit (PPDU), where the first PPDU includes a first field that indicates that a variation of a channel state does not exceed a threshold; and sending the first PPDU.
-
公开(公告)号：US20230016889A1
公开(公告)日：2023-01-19
申请号：US17951519
申请日：2022-09-23
发明人： Meihong ZHANG , Xiangwen GUO , Xiao HAN , Jiahui ZHANG , Rui DU , Chenchen LIU , Yan LONG , Yingxiang SUN
摘要： This provides a spatial multiplexing method and apparatus, to introduce WLAN sensing into a conventional spatial multiplexing mechanism and improve communication efficiency. The method includes: An AP sends a first request message to a first station and a second station, to request to measure channel quality in one or more sensing beam directions in a first SP; the AP sends a second request message to a third station and a fourth station, to request to measure channel quality in a communications beam direction in a second SP; the first station, the second station, the third station, and the fourth station separately perform measurement and report respective first measurement results; and the AP receives the first measurement results of the stations, and determines, based on the first measurement results, whether to perform spatial multiplexing on the first SP and the second SP.
-
公开(公告)号：US20220299629A1
公开(公告)日：2022-09-22
申请号：US17836659
申请日：2022-06-09
发明人： Chenchen LIU , Baojian ZHOU , Xiao HAN , Rui DU , Meihong ZHANG
摘要： The disclosure provides ranging methods and apparatuses. One example method includes that a first device sends a first signal on a first channel. The first device receives, on a second channel, a second signal from a second device, where the second signal is a signal obtained after frequency conversion is performed on the first signal. The first device calculates a distance between the first device and the second device based on a phase difference between carriers of the second signal.
-
公开(公告)号：US20240155702A1
公开(公告)日：2024-05-09
申请号：US18411798
申请日：2024-01-12
发明人： Rui DU , Zihan ZHENG , Lingling YANG , Meihong ZHANG , Xiao HAN , Mengshi HU , Xun YANG , Yan LONG , Rong HE
IPC分类号： H04W76/10
CPC分类号： H04W76/10
摘要： In a sensing session establishment process, an access point sends a first frame to a first station, where the first frame includes first information, the first information indicates a first role of the first station in a sensing session, the first role of the first station in the sensing session is a transmitter and/or a receiver, and the first station is a station participating in the sensing session in a second station associated with the access point; and the access point receives a second frame from the first station, where the second frame includes confirm information for the first frame.
-
公开(公告)号：US20230018459A1
公开(公告)日：2023-01-19
申请号：US17949453
申请日：2022-09-21
发明人： Rui DU , Xiao HAN , Chenchen LIU , Meihong ZHANG , Yingxiang SUN , Danny Kai Pin TAN
IPC分类号： H04W74/08 , H04B7/0452
摘要： A wireless local area network sensing method. The method includes: in a process in which a second network device performs high frequency MIMO channel access, a first network device sends indication information to a plurality of second network devices, where the indication information indicates the plurality of second network devices to send uplink sensing signals; and the first network device receives the uplink sensing signals from the second network devices and performs uplink sensing based on the uplink sensing signals.
-
公开(公告)号：US20220345188A1
公开(公告)日：2022-10-27
申请号：US17859093
申请日：2022-07-07
发明人： Chenchen LIU , Meihong ZHANG , Wei WANG , Shuyu SHI , Xiao HAN , Rui DU , Jian YU , Yunbo LI , Yingxiang SUN
摘要： A method includes: A first node sends a threshold and a first packet to a second node. Correspondingly, the second node receives the threshold and the first packet from the first node. Then, the second node determines first channel state information CSI based on the first packet. If a change amount of the first CSI relative to preset CSI exceeds the threshold, the second node sends a second packet to the first node. If the change amount of the first CSI relative to the preset CSI does not exceed the threshold, the second node does not need to send the second packet to the first node. The method is applied to a radio sensing process.
-
公开(公告)号：US20240031050A1
公开(公告)日：2024-01-25
申请号：US18446764
申请日：2023-08-09
发明人： Rui DU , Qian ZHANG , Xiao HAN , Xun YANG , Chenchen LIU , Meihong ZHANG , Yingxiang SUN , Yun ZHANG , Yang LI
CPC分类号： H04J13/0014 , H04L25/0242
摘要： 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.
-
公开(公告)号：US20240019540A1
公开(公告)日：2024-01-18
申请号：US18338965
申请日：2023-06-21
发明人： Rui DU , Xiao HAN , Chenchen LIU , Meihong ZHANG , Wei LIN , Xun YANG , Zhengchun ZHOU , Xianfu LEI , Xiaohu TANG
摘要： 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.
-
公开(公告)号：US20240007885A1
公开(公告)日：2024-01-04
申请号：US18366107
申请日：2023-08-07
发明人： Chenchen LIU , Xiao HAN , Rui DU , Meihong ZHANG , Yingxiang SUN
IPC分类号： H04W24/08
CPC分类号： H04W24/08
摘要： A method for sending a measurement packet and a communication apparatus. The method includes: a first wireless device sends a trigger frame, where the trigger frame is used to trigger a plurality of second wireless devices to send measurement packets in an orthogonal frequency division multiple access (OFDMA) manner; and the first wireless device receives the measurement packets sent by the plurality of second wireless devices in the OFDMA manner. Based on the method, the measurement packet sent by each second wireless device occupies only some tones of an uplink transmission bandwidth. This improves power spectral density of the measurement packet and improves precision of measuring channel information by the first wireless device.
-
10.发明申请公开(公告)号：US20220263640A1
公开(公告)日：2022-08-18
申请号：US17668207
申请日：2022-02-09
发明人： Chenchen LIU , Huangxun CHEN , Xiao HAN , Rui DU , Meihong ZHANG , Yunbo LI , Qian ZHANG , Jia HE
IPC分类号： H04L5/00
摘要： A method includes, in accordance with some implementations, sending, a measurement station, a trigger frame to a signal source station, where the trigger frame carries pilot format information, and the pilot format information is used to indicate a sending time point of a signal frame triggered by the trigger frame, a quantity of times for sending the signal frame, and a transmission mode of pilot information in the signal frame. The measurement station receives an illumination frame from the signal source station, where the illumination frame is the signal frame triggered by the trigger frame. The measurement station analyzes pilot information in the illumination frame to obtain sensing information in the illumination frame, where the sensing information is used to indicate physical information of an object surrounding the signal source station and the measurement station.
-
-
-
-
-
-
-
-
-
搜索结果
20 条记录 (耗时 0.019 秒)
