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1. 发明授权

US10972977B2 Signal sending method, signal receiving method, and apparatuses 有权
公开(公告)号：US10972977B2
公开(公告)日：2021-04-06
申请号：US16588454
申请日：2019-09-30
申请人： Huawei Technologies Co., Ltd.
发明人： Wei Lin , Le Liu , Jun Zhu , Weishan Lu
IPC分类号： H04W52/02 , H04L5/00 , H04L27/26 , H04W84/12
摘要： 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.

2. 发明授权

US10389565B2 Interleaving processing method and device in OFMDA-based WLAN system 有权
公开(公告)号：US10389565B2
公开(公告)日：2019-08-20
申请号：US15594185
申请日：2017-05-12
申请人： Huawei Technologies Co., Ltd.
发明人： Wei Lin , Le Liu , Sergio Benedetto , Guido Montorsi , Weishan Lu
IPC分类号： H04W4/00 , H04L27/26 , H04L12/801 , H04W72/04 , H04L1/00 , H04W84/12 , H04L1/04
摘要： 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.

3. 发明授权

US09640874B2 Single radio frequency double-stream transmission apparatus, use method and antenna system 有权
公开(公告)号：US09640874B2
公开(公告)日：2017-05-02
申请号：US14744755
申请日：2015-06-19
申请人： Huawei Technologies Co., Ltd.
发明人： Weishan Lu , Tao Wu
IPC分类号： H01Q21/06 , H01Q3/44 , H01Q19/32 , H01Q5/314 , H01Q5/385 , H01Q21/20 , H04B7/04 , H04B7/0413
CPC分类号： H01Q21/06 , H01Q3/446 , H01Q5/314 , H01Q5/385 , H01Q19/32 , H01Q21/20 , H04B7/0413 , Y02D70/1262 , Y02D70/142 , Y02D70/444
摘要： Embodiments of the present disclosure provide a single radio frequency double-stream transmission apparatus, wherein the apparatus includes: a radio frequency link, a reactance control circuit, a parasitic reactor, an active antenna and an even number M of parasitic antennas, wherein M is larger than 2; the radio frequency link is configured to generate a radio frequency signal; the active antenna is connected with the radio frequency link, the parasitic antennas are respectively connected with the parasitic reactor, the distances from the parasitic antennas to the active antenna are the same, and the radian between adjacent parasitic antennas is 360 M ⁢ ⁢ degrees ; the parasitic reactor may be adjusted by the reactance control circuit to make the reactance values of any pair of parasitic antennas in mirror symmetry via the active antenna be different and the reactance values of the rest pairs of parasitic antennas in mirror symmetry via the active antenna be equal respectively.

4. 发明授权

US09281878B2 Array antenna, method and device for transmitting and receiving signal 有权
标题翻译：阵列天线，发送和接收信号的方法和装置
公开(公告)号：US09281878B2
公开(公告)日：2016-03-08
申请号：US14707618
申请日：2015-05-08
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Weishan Lu
IPC分类号： H04B7/02 , H04B7/04 , H01Q21/00 , H01Q19/32 , H04B7/06
CPC分类号： H04B7/0413 , H01Q19/32 , H01Q21/00 , H04B7/0617 , H04B7/0632
摘要： 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.
摘要翻译：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

5. 发明申请

US20150288076A1 SINGLE RADIO FREQUENCY DOUBLE-STREAM TRANSMISSION APPARATUS, USE METHOD AND ANTENNA SYSTEM 有权
标题翻译：单频无线电双向传输设备，使用方法和天线系统
公开(公告)号：US20150288076A1
公开(公告)日：2015-10-08
申请号：US14744755
申请日：2015-06-19
申请人： Huawei Technologies Co., Ltd.
发明人： Weishan Lu , Tao Wu
IPC分类号： H01Q21/06
CPC分类号： H01Q21/06 , H01Q3/446 , H01Q5/314 , H01Q5/385 , H01Q19/32 , H01Q21/20 , H04B7/0413 , Y02D70/1262 , Y02D70/142 , Y02D70/444
摘要： Embodiments of the present disclosure provide a single radio frequency double-stream transmission apparatus, wherein the apparatus includes: a radio frequency link, a reactance control circuit, a parasitic reactor, an active antenna and an even number M of parasitic antennas, wherein M is larger than 2; the radio frequency link is configured to generate a radio frequency signal; the active antenna is connected with the radio frequency link, the parasitic antennas are respectively connected with the parasitic reactor, the distances from the parasitic antennas to the active antenna are the same, and the radian between adjacent parasitic antennas is 360 M  degrees ; the parasitic reactor may be adjusted by the reactance control circuit to make the reactance values of any pair of parasitic antennas in mirror symmetry via the active antenna be different and the reactance values of the rest pairs of parasitic antennas in mirror symmetry via the active antenna be equal respectively.
摘要翻译：本公开的实施例提供单个射频双流传输装置，其中该装置包括：射频链路，电抗控制电路，寄生电抗器，有源天线和偶数个M的寄生天线，其中M是大于2; 射频链路被配置为产生射频信号; 有源天线与射频链路连接，寄生天线分别与寄生电抗器相连，从寄生天线到有源天线的距离相同，相邻寄生天线之间的弧度为360度; 可以通过电抗控制电路来调整寄生电抗器，以使得通过有源天线成反射镜对称的任何一对寄生天线的电抗值不同，并且通过有源天线以对称的其余寄生天线对的电抗值为相等。

6. 发明授权

US10673140B2 Dual polarized electronically steerable parasitic antenna radiator (ESPAR) 审中-公开
公开(公告)号：US10673140B2
公开(公告)日：2020-06-02
申请号：US15726021
申请日：2017-10-05
申请人： Huawei Technologies Co., Ltd.
发明人： Halim Boutayeb , Paul Robert Watson , Weishan Lu , Tao Wu
IPC分类号： H01Q19/00 , H01Q3/44 , H01Q9/04 , H01Q21/24 , H01Q21/29
摘要： 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.

7. 发明授权

US10448331B2 Signal sending method, signal receiving method, and apparatuses 有权
公开(公告)号：US10448331B2
公开(公告)日：2019-10-15
申请号：US15471768
申请日：2017-03-28
申请人： Huawei Technologies Co., Ltd.
发明人： Wei Lin , Le Liu , Jun Zhu , Weishan Lu
IPC分类号： 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
摘要： 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.

8. 发明申请

US20170317868A1 INTERLEAVING PROCESSING METHOD AND DEVICE IN OFMDA-BASED WLAN SYSTEM 审中-公开
公开(公告)号：US20170317868A1
公开(公告)日：2017-11-02
申请号：US15594185
申请日：2017-05-12
申请人： Huawei Technologies Co., Ltd.
发明人： Wei Lin , Le Liu , Sergio Benedetto , Guido Montorsi , Weishan Lu
IPC分类号： H04L27/26 , H04L12/801 , H04W72/04 , H04W84/12
CPC分类号： H04L27/2608 , H04L1/0042 , H04L1/0071 , H04L1/04 , H04L27/26 , H04L47/34 , H04W72/04 , H04W84/12
摘要： 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.

9. 发明申请

US20170222855A1 SIGNAL PROCESSING METHOD AND APPARATUS, AND DEVICE 审中-公开
公开(公告)号：US20170222855A1
公开(公告)日：2017-08-03
申请号：US15493675
申请日：2017-04-21
申请人： Huawei Technologies Co., Ltd.
发明人： Sheng Liu , Weishan Lu , Teyan Chen
IPC分类号： H04L27/26 , H04B7/0452 , H04W72/04
CPC分类号： H04L27/2608 , H04B7/0452 , H04L27/26 , H04W72/0453
摘要： 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.

10. 发明申请

US20170018848A1 Dual Polarized Electronically Steerable Parasitic Antenna Radiator (ESPAR) 有权
标题翻译：双极化电子导向寄生天线散热器（ESPAR）
公开(公告)号：US20170018848A1
公开(公告)日：2017-01-19
申请号：US14843494
申请日：2015-09-02
申请人： Huawei Technologies Co., Ltd.
发明人： Halim Boutayeb , Paul Robert Watson , Weishan Lu , Tao Wu
IPC分类号： H01Q3/34 , H01Q21/24 , H01Q21/29 , H01Q9/04
CPC分类号： H01Q3/34 , H01Q3/446 , H01Q9/0407 , H01Q9/0435 , H01Q9/045 , H01Q19/005 , H01Q21/24 , H01Q21/29
摘要： 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.
摘要翻译：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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