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公开(公告)号：US11743821B2
公开(公告)日：2023-08-29
申请号：US18062978
申请日：2022-12-07
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 , H04L27/2603 , H04L27/26132 , H04W84/12 , Y02D30/70
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：US10673140B2
公开(公告)日：2020-06-02
申请号：US15726021
申请日：2017-10-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Halim Boutayeb , Paul Robert Watson , Weishan Lu , Tao Wu
Abstract: An electronically steerable antenna with dual polarization is provided, as well as a method for steering such an antenna. An example antenna may include a driven patch element having dual polarity for radiating or receiving a first beam with a first polarization and radiating or receiving a second beam with a second polarization. The antenna includes a parasitic patch element separated from the driven patch element and in a parasitic coupling arrangement to the driven patch element, as well as first and second tuning elements linked to the parasitic patch element to control first and second terminating impedances of the parasitic patch element, respectively. The first terminating impedance at least partly determines a direction of the first beam, and the second terminating impedance at least partly determines a direction of the second beam.
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公开(公告)号：US10448331B2
公开(公告)日：2019-10-15
申请号：US15471768
申请日：2017-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Lin , Le Liu , Jun Zhu , Weishan Lu
IPC: H04W76/16 , H04W24/08 , H04L12/26 , H04W80/06 , H04W84/04 , H04W84/12 , H04W88/06 , H04W4/44 , H04W4/90 , H04W48/18 , H04L29/08 , H04W52/02 , H04L5/00 , H04L27/26
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：US20170317868A1
公开(公告)日：2017-11-02
申请号：US15594185
申请日：2017-05-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Lin , Le Liu , Sergio Benedetto , Guido Montorsi , Weishan Lu
IPC: H04L27/26 , H04L12/801 , H04W72/04 , H04W84/12
CPC classification number: H04L27/2608 , H04L1/0042 , H04L1/0071 , H04L1/04 , H04L27/26 , H04L47/34 , H04W72/04 , H04W84/12
Abstract: Embodiments of the present disclosure provide an interleaving processing method and device in a WLAN system. The apparatus includes: a bit parsing unit, configured to allocate bits in a coded data stream to n sub resource block interleaving units according to a specific sequence, where n is a positive integer greater than 1, and a value of n is a quantity of resource blocks allocated to the user; and the sub resource block interleaving units, configured to perform discrete interleaving on input bits. According to the foregoing apparatus and method, system performance can be improved.
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公开(公告)号：US20170222855A1
公开(公告)日：2017-08-03
申请号：US15493675
申请日：2017-04-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu , Weishan Lu , Teyan Chen
IPC: H04L27/26 , H04B7/0452 , H04W72/04
CPC classification number: H04L27/2608 , H04B7/0452 , H04L27/26 , H04W72/0453
Abstract: Embodiments of the present application provide a signal processing method and apparatus, and a device. The embodiments relate to an MU-MIMO system. The signal processing apparatus includes: a signal obtaining module and a sending module. A signal includes N spatial flows, and the signal includes a training field, where the training field includes a first part and a second part. Sub-carriers of an OFDM symbol in the second part of the training field are divided into N training sub-carrier sets TSSs in a division manner that is the same as a division manner of sub-carriers of an OFDM symbol in the first part of the training field, and each spatial flow corresponds to at least one sub-carrier in a TSS, in each frequency domain location, of each OFDM symbol in the second part of the training field. So that precision of the channel estimation is improved.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20170018848A1
公开(公告)日：2017-01-19
申请号：US14843494
申请日：2015-09-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Halim Boutayeb , Paul Robert Watson , Weishan Lu , Tao Wu
CPC classification number: H01Q3/34 , H01Q3/446 , H01Q9/0407 , H01Q9/0435 , H01Q9/045 , H01Q19/005 , H01Q21/24 , H01Q21/29
Abstract: An electronically steerable antenna with dual polarization is provided, as well as a method for steering such an antenna. An example antenna may include a driven patch element having dual polarity for radiating or receiving a first beam with a first polarization and radiating or receiving a second beam with a second polarization. The antenna includes a parasitic patch element separated from the driven patch element and in a parasitic coupling arrangement to the driven patch element, as well as first and second tuning elements linked to the parasitic patch element to control first and second terminating impedances of the parasitic patch element, respectively. The first terminating impedance at least partly determines a direction of the first beam, and the second terminating impedance at least partly determines a direction of the second beam.
Abstract translation: 提供了具有双极化的电子导向天线，以及用于转向这种天线的方法。 示例性天线可以包括具有双极性的驱动贴片元件，用于辐射或接收具有第一偏振的第一光束并且辐射或接收具有第二偏振的第二光束。 天线包括与驱动贴片元件分离的寄生贴片元件以及与驱动贴片元件的寄生耦合装置，以及连接到寄生贴片元件的第一和第二调谐元件，以控制寄生贴片的第一和第二端接阻抗 元素。 第一端接阻抗至少部分地确定第一光束的方向，并且第二终端阻抗至少部分地确定第二光束的方向。
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公开(公告)号：US20230180129A1
公开(公告)日：2023-06-08
申请号：US18062978
申请日：2022-12-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Wei Lin , Le Liu , Jun Zhu , Weishan Lu
CPC classification number: H04W52/0229 , H04L5/0048 , H04L27/2613 , H04L5/0053 , Y02D30/70 , H04L27/2603 , H04L27/26132 , H04W84/12
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：US10326628B2
公开(公告)日：2019-06-18
申请号：US15493675
申请日：2017-04-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu , Weishan Lu , Teyan Chen
IPC: H04W4/00 , H04L27/26 , H04B7/0452 , H04W72/04
Abstract: Embodiments of the present application provide a signal processing method and apparatus, and a device. The embodiments relate to an MU-MIMO system. The signal processing apparatus includes: a signal obtaining module and a sending module. A signal includes N spatial flows, and the signal includes a training field, where the training field includes a first part and a second part. Sub-carriers of an OFDM symbol in the second part of the training field are divided into N training sub-carrier sets TSSs in a division manner that is the same as a division manner of sub-carriers of an OFDM symbol in the first part of the training field, and each spatial flow corresponds to at least one sub-carrier in a TSS, in each frequency domain location, of each OFDM symbol in the second part of the training field. So that precision of the channel estimation is improved.
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公开(公告)号：US10305572B2
公开(公告)日：2019-05-28
申请号：US15587470
申请日：2017-05-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Weishan Lu , Jian Yu
IPC: H04B7/08 , H04L1/00 , H04L5/00 , H04L27/26 , H04B7/0452
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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公开(公告)号：US09793606B2
公开(公告)日：2017-10-17
申请号：US14843494
申请日：2015-09-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Halim Boutayeb , Paul Robert Watson , Weishan Lu , Tao Wu
CPC classification number: H01Q3/34 , H01Q3/446 , H01Q9/0407 , H01Q9/0435 , H01Q9/045 , H01Q19/005 , H01Q21/24 , H01Q21/29
Abstract: An electronically steerable antenna with dual polarization is provided, as well as a method for steering such an antenna. An example antenna may include a driven patch element having dual polarity for radiating or receiving a first beam with a first polarization and radiating or receiving a second beam with a second polarization. The antenna includes a parasitic patch element separated from the driven patch element and in a parasitic coupling arrangement to the driven patch element, as well as first and second tuning elements linked to the parasitic patch element to control first and second terminating impedances of the parasitic patch element, respectively. The first terminating impedance at least partly determines a direction of the first beam, and the second terminating impedance at least partly determines a direction of the second beam.
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