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公开(公告)号：US20170201944A1
公开(公告)日：2017-07-13
申请号：US15471768
申请日：2017-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei LIN , Le LIU , Jun ZHU , Weishan LU
CPC classification number: H04W52/0229 , H04L5/0048 , H04L5/0053 , H04L27/2613 , H04W84/12 , Y02D70/142 , Y02D70/144 , Y02D70/146
Abstract: The disclosure discloses a high-efficiency short training field sequence generation method, a signal sending method, a signal receiving method, and related apparatuses, where the high-efficiency short training sequence generation method includes: increasing frequency domain density of a frequency domain sequence corresponding to a first high-efficiency short training field sequence to generate a frequency domain sequence with increased frequency domain density; generating a second high-efficiency short training field sequence according to the frequency domain sequence with increased frequency domain density; and using the second high-efficiency short training field sequence as a high-efficiency short training field sequence in a preamble sequence of a data transmission frame in a wireless local area network WLAN. In embodiments of the disclosure, a cycle of a high-efficiency short training field sequence used for performing stage-2 AGC adjustment in the WLAN may be increased, and a maximum CSD value that can be used is further increased.
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公开(公告)号：US20200100180A1
公开(公告)日：2020-03-26
申请号：US16588454
申请日：2019-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei LIN , Le LIU , Jun ZHU , Weishan LU
Abstract: The disclosure discloses a high-efficiency short training field sequence generation method, a signal sending method, a signal receiving method, and related apparatuses, where the high-efficiency short training sequence generation method includes: increasing frequency domain density of a frequency domain sequence corresponding to a first high-efficiency short training field sequence to generate a frequency domain sequence with increased frequency domain density; generating a second high-efficiency short training field sequence according to the frequency domain sequence with increased frequency domain density; and using the second high-efficiency short training field sequence as a high-efficiency short training field sequence in a preamble sequence of a data transmission frame in a wireless local area network WLAN. In embodiments of the disclosure, a cycle of a high-efficiency short training field sequence used for performing stage-2 AGC adjustment in the WLAN may be increased, and a maximum CSD value that can be used is further increased.
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3.发明申请公开(公告)号：US20170141899A1
公开(公告)日：2017-05-18
申请号：US15417970
申请日：2017-01-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weishan LU , Doron Ezri , Le Liu
IPC: H04L5/00 , H04B7/0452 , H04W72/04
CPC classification number: H04L5/0048 , H04B7/0452 , H04L5/0051 , H04L25/0226 , H04L27/2613 , H04L27/2657 , H04W72/0453
Abstract: A method for transmitting information, a station, and an access point in a MU-MIMO system includes: determining, by a first station, multiple to-be-sent first long training sequences, where the multiple first long training sequences include at least one pilot for phase tracking; and sending, by the first station, the multiple first long training sequences to an access point on multiple symbols, where a second station sends multiple second long training sequences to the access point on the multiple symbols, the multiple second long training sequences include at least one pilot for phase tracking, and a first pilot for phase tracking and a second pilot for phase tracking occupy different time-frequency resources, where the at least one pilot for phase tracking included in the multiple first long training sequences includes the first pilot for phase tracking.
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公开(公告)号：US20170308710A1
公开(公告)日：2017-10-26
申请号：US15643720
申请日：2017-07-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Zhenguo DU , Weishan LU , Yunsong YANG , Zhigang RONG
CPC classification number: G06F21/606 , H04L5/0007 , H04L5/0023 , H04L5/0037 , H04L5/0044 , H04L5/0053 , H04L5/0094 , H04L25/03866 , H04L27/2602 , H04W28/16 , H04W72/042 , H04W84/12 , H04W88/08 , H04W92/10
Abstract: A data transmission protection method includes: receiving, by a station, resource allocation information sent by an access point; obtaining, according to a status of mutual overlap between an allocated transmission channel and multiple subchannels, at least one overlapping subchannel used by the station to send a transmission protection message; and sending the transmission protection message on a current overlapping subchannel according to a status of whether each overlapping subchannel in the at least one overlapping subchannel used by the station to send the transmission protection message is used only by the station to send the transmission protection message, where the transmission protection message is used to protect downlink data transmission from the access point to the station, the transmission protection message includes duration, and the duration is used to indicate an exclusive time of the station for the transmission channel allocated to the station.
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Patent Agency Ranking
5.发明申请公开(公告)号：US20170111893A1
公开(公告)日：2017-04-20
申请号：US15394301
申请日：2016-12-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weishan LU , Tao WU
CPC classification number: H04W72/042 , H04L1/16 , H04L1/1854 , H04L1/1861 , H04L1/1864 , H04L5/0023 , H04L5/0055 , H04L5/0092 , H04W72/0446 , H04W72/0453 , H04W84/12
Abstract: Embodiments of the present invention disclose a communication method: sending indication information to two or more user equipments, where the indication information includes timeslot indication information and frequency band indication information of the two or more user equipments, at least two user equipments in the two or more user equipments have same timeslot indication information, and the user equipments that have the same timeslot indication information have different frequency band indication information; and obtaining an acknowledgment frame sent by one or more user equipments of the two or more user equipments in a timeslot indicated by respective timeslot indication information and by using a frequency band indicated by respective frequency band indication information. The present invention is used for acknowledgment frame sending.
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6.发明申请公开(公告)号：US20150249488A1
公开(公告)日：2015-09-03
申请号：US14707618
申请日：2015-05-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tao WU , Weishan LU
CPC classification number: H04B7/0413 , H01Q19/32 , H01Q21/00 , H04B7/0617 , H04B7/0632
Abstract: The present application discloses an array antenna, a method and a device for transmitting and receiving a signal. The array antenna includes at least two active antennas, wherein each active antenna is surrounded by at least two different parasitic antennas, respective parasitic antennas are respectively coupled to controllable loads, and the controllable loads are respectively coupled to a control circuit. With the arrangement of at least two active antennas, when a channel is in a good state, channel capacity can be adjusted by adjusting the controllable loads coupled to the parasitic antennas; and when the channel is not in the good state, the bit error ratio can be reduced by both adjusting the controllable loads coupled to the parasitic antennas and adjusting transmitting directional diagrams of the active antennas according to an adjustment vector, meanwhile, miniaturization can also be realized.
Abstract translation: 本申请公开了一种用于发送和接收信号的阵列天线，方法和装置。 阵列天线包括至少两个有源天线，其中每个有源天线由至少两个不同的寄生天线包围，相应的寄生天线分别耦合到可控负载，并且可控负载分别耦合到控制电路。 利用至少两个有源天线的布置，当信道处于良好状态时，可以通过调整耦合到寄生天线的可控负载来调整信道容量; 并且当通道不处于良好状态时，通过调整耦合到寄生天线的可控负载并根据调整向量调整有源天线的发送方向图，可以减小误比特率，同时小型化也可以 实现了
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公开(公告)号：US20210258879A1
公开(公告)日：2021-08-19
申请号：US17187321
申请日：2021-02-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei LIN , Le LIU , Jun ZHU , Weishan LU
Abstract: The disclosure discloses a high-efficiency short training field sequence generation method, a signal sending method, a signal receiving method, and related apparatuses, where the high-efficiency short training sequence generation method includes: increasing frequency domain density of a frequency domain sequence corresponding to a first high-efficiency short training field sequence to generate a frequency domain sequence with increased frequency domain density; generating a second high-efficiency short training field sequence according to the frequency domain sequence with increased frequency domain density; and using the second high-efficiency short training field sequence as a high-efficiency short training field sequence in a preamble sequence of a data transmission frame in a wireless local area network WLAN. In embodiments of the disclosure, a cycle of a high-efficiency short training field sequence used for performing stage-2 AGC adjustment in the WLAN may be increased, and a maximum CSD value that can be used is further increased.
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8.发明申请公开(公告)号：US20190289583A1
公开(公告)日：2019-09-19
申请号：US16434797
申请日：2019-06-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weishan LU , Tao WU
Abstract: An example communication method of the present disclosure includes: sending indication information to two or more user equipments, where the indication information includes timeslot indication information and frequency band indication information of the two or more user equipments, at least two user equipments in the two or more user equipments have same timeslot indication information, and the user equipments that have the same timeslot indication information have different frequency band indication information; and obtaining an acknowledgment frame sent by one or more user equipments of the two or more user equipments in a timeslot indicated by respective timeslot indication information and by using a frequency band indicated by respective frequency band indication information.
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公开(公告)号：US20170244466A1
公开(公告)日：2017-08-24
申请号：US15587470
申请日：2017-05-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weishan LU , Jian Yu
CPC classification number: H04B7/08 , H04B7/0452 , H04L1/0031 , H04L5/0023 , H04L5/0048 , H04L5/0064 , H04L5/0091 , H04L27/26 , H04L27/2613 , H04L27/2626
Abstract: A method includes: determining a maximum orthogonal frequency division multiplexing OFDM symbol quantity of a frequency band used for downlink transmission, where the maximum OFDM symbol quantity of the frequency band is a maximum value of maximum OFDM symbol quantities of all subbands of the frequency band; determining, according to a value relationship between a maximum OFDM symbol quantity of a subband to which user equipment belongs and the maximum OFDM symbol quantity of the frequency band, additional long training field instruction information used to instruct whether to send an additional long training field to the user equipment; and sending an indication message to the user equipment, where the indication message includes the additional long training field instruction information.
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