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1. 发明申请

US20180084582A1 Method for Transmission and Reception in Parallel on Dual Channels, and Apparatus 审中-公开
公开(公告)号：US20180084582A1
公开(公告)日：2018-03-22
申请号：US15829252
申请日：2017-12-01
申请人： Huawei Technologies Co., Ltd.
发明人： Yun Liu , Sheng Liu , Teyan Chen
IPC分类号： H04W74/08
摘要： A method for transmission and reception in parallel on dual channels includes, when detecting that a first channel is occupied by CSMA contention, determining, by an AP, first transmission duration of a first channel data packet. The method additionally includes determining, by means of CCA detection, that a second channel is idle, where the second channel is used to transmit a second channel data packet whose transmission direction is opposite to a transmission direction of the first channel. The method additionally includes determining, by using the first transmission duration, second transmission duration for transmitting the second channel data packet, and transmitting the second channel data packet according to the second transmission duration, where an end time of transmission of the second channel data is not later than an end time of transmission of the first channel data.

2. 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.

3. 发明申请

US20170047964A1 METHOD AND APPARATUS FOR INTERFERENCE CANCELLATION 有权
标题翻译：干扰消除的方法和装置
公开(公告)号：US20170047964A1
公开(公告)日：2017-02-16
申请号：US15337407
申请日：2016-10-28
申请人： Huawei Technologies Co., Ltd.
发明人： Sheng Liu , Teyan Chen , Hong Cheng
IPC分类号： H04B1/525 , H04W56/00 , H04B5/02
CPC分类号： H04B1/525 , H04B5/02 , H04B15/00 , H04W56/0015 , H04W88/02 , H04W88/08
摘要： A method for interference cancellation is provided. The method includes: determining, by a first base station, a channel parameter from a transmit antenna of a second base station to a receive antenna of the first base station; receiving, by the first base station, a first signal using a first resource, where the first signal includes: a first interference signal and an uplink wanted signal, and the first interference signal is an interference signal generated when a downlink second signal is sent by the second base station by using the first resource; receiving, by the first base station, reconstruction information that is of the second signal and that is sent by the second base station; and determining, by the first base station, the first interference signal in the first signal according to the channel parameter and the reconstruction information of the second signal, and canceling the first interference signal.
摘要翻译：提供了一种用于干扰消除的方法。该方法包括：由第一基站确定从第二基站的发射天线到第一基站的接收天线的信道参数; 由第一基站接收使用第一资源的第一信号，其中第一信号包括：第一干扰信号和上行链路有用信号，并且第一干扰信号是当下行链路第二信号被发送时产生的干扰信号第二基站使用第一资源; 由第一基站接收第二信号并由第二基站发送的重构信息; 以及由所述第一基站根据所述信道参数和所述第二信号的重构信息确定所述第一信号中的所述第一干扰信号，以及抵消所述第一干扰信号。

4. 发明申请

US20170041165A1 METHOD FOR ESTIMATING RESPONSE OF BASEBAND SELF-INTERFERENCE CHANNEL AND APPARATUS 审中-公开
标题翻译：估计基带自干扰信道和设备响应的方法
公开(公告)号：US20170041165A1
公开(公告)日：2017-02-09
申请号：US15332483
申请日：2016-10-24
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Hong CHENG , Teyan Chen , Sheng Liu
IPC分类号： H04L25/03 , H04L12/801 , H04L5/14
CPC分类号： H04L25/03159 , H04L1/00 , H04L5/0007 , H04L5/0048 , H04L5/14 , H04L5/1461 , H04L27/2601 , H04L47/29
摘要： The embodiments of present disclosure provide a method for estimating a response of a baseband self-interference channel and an apparatus, where the method includes: estimating a response of a baseband self-interference channel to obtain a first estimation response of the baseband self-interference channel; starting to perform first full duplex communication; canceling baseband self-interference in a first baseband received signal according to the first estimation response, where the first baseband received signal is a baseband signal received during the first full duplex communication; determining a first parameter of the baseband self-interference channel; determining an estimation policy of the baseband self-interference channel according to the first parameter; and estimating the response of the baseband self-interference channel according to the estimation policy.
摘要翻译：本公开的实施例提供了一种用于估计基带自干扰信道和装置的响应的方法，其中该方法包括：估计基带自干扰信道的响应以获得基带自干扰的第一估计响应渠道; 开始执行第一次全双工通信; 根据第一估计响应在第一基带接收信号中消除基带自干扰，其中第一基带接收信号是在第一全双工通信期间接收的基带信号; 确定所述基带自干扰信道的第一参数; 根据第一参数确定基带自干扰信道的估计策略; 以及根据估计策略估计基带自干扰信道的响应。

5. 发明申请

US20170005773A1 APPARATUS AND METHOD FOR SELF-INTERFERENCE CANCELLATION 审中-公开
标题翻译：自干扰取消装置及方法
公开(公告)号：US20170005773A1
公开(公告)日：2017-01-05
申请号：US15269313
申请日：2016-09-19
申请人： Huawei Technologies Co., Ltd.
发明人： Sheng Liu , Teyan Chen , Hong Cheng
IPC分类号： H04L5/00
CPC分类号： H04L5/0073 , H04B1/525 , H04L5/005
摘要： Embodiments of the present invention provide an apparatus for self-interference cancellation. The apparatus includes: a first splitter, configured to perform splitting processing on a local oscillator signal generated by a local oscillator to separately transmit the local oscillator signal to an up-converter and a delayer; the up-converter, configured to perform up-conversion processing on a baseband transmit signal according to the local oscillator signal to generate a transmit signal; the delayer, configured to perform delaying processing on the local oscillator signal according to a preset target delay; a first down-converter, configured to perform, based on the local oscillator signal obtained after the delaying processing, down-conversion processing on a receive signal to acquire a baseband receive signal, and transmit the baseband receive signal to a self-interference canceller; and the self-interference canceller, configured to perform self-interference cancellation processing on the baseband receive signal.
摘要翻译：本发明的实施例提供了一种用于自干扰消除的装置。该装置包括：第一分离器，被配置为对由本地振荡器产生的本地振荡器信号执行分离处理以将本地振荡器信号单独发送到上变频器和延迟器; 上变频器，被配置为根据本地振荡器信号对基带发送信号执行上变频处理，以产生发送信号; 延迟器，被配置为根据预设的目标延迟对本地振荡器信号执行延迟处理; 第一下变频器，被配置为基于在延迟处理之后获得的本地振荡器信号执行对接收信号的下变频处理以获取基带接收信号，并将基带接收信号发送到自干扰消除器; 以及所述自干扰消除器，被配置为对所述基带接收信号执行自干扰消除处理。

6. 发明授权

US10993262B2 Method for transmission and reception in parallel on dual channels, and apparatus 有权
公开(公告)号：US10993262B2
公开(公告)日：2021-04-27
申请号：US16513323
申请日：2019-07-16
申请人： Huawei Technologies Co., Ltd.
发明人： Yun Liu , Sheng Liu , Teyan Chen
IPC分类号： H04W74/08 , H04W28/20 , H04W84/12
摘要： A method for transmission and reception in parallel on dual channels includes, when detecting that a first channel is occupied by CSMA contention, determining, by an AP, first transmission duration of a first channel data packet; determining, by means of CCA detection, that a second channel is idle, where the second channel is used to transmit a second channel data packet whose transmission direction is opposite to a transmission direction of the first channel; determining, using the first transmission duration, second transmission duration for transmitting the second channel data packet, and transmitting the second channel data packet according to the second transmission duration, where an end time of transmission of the second channel data is not later than an end time of transmission of the first channel data.

7. 发明申请

US20200162934A1 Information Transmission Method and Apparatus 审中-公开
公开(公告)号：US20200162934A1
公开(公告)日：2020-05-21
申请号：US16749477
申请日：2020-01-22
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Teyan Chen
IPC分类号： H04W16/14 , H04W72/08 , H04W48/16 , H04W16/28 , H04W24/10
摘要： An information transmission method and apparatus, the method including determining, by a first communications apparatus, an area in which a terminal device is located, where the area includes overlapping coverage area between the first communications apparatus and at least one second communications apparatus, and, non-overlapping coverage area between the first communications apparatus and the at least one second communications apparatus, and the first communications apparatus is adjacent to the at least one second communications apparatus, and sending, by the first communications apparatus, information to the terminal device through a first channel if the terminal device is located in the overlapping coverage area, and sending, by the first communications apparatus, information to the terminal device through a second channel if the terminal device is located in the non-overlapping coverage areas.

8. 发明授权

US10461974B2 Multichannel-based signal transmission method and apparatus 有权
公开(公告)号：US10461974B2
公开(公告)日：2019-10-29
申请号：US16246761
申请日：2019-01-14
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Teyan Chen
IPC分类号： H04L27/20 , H04L5/00 , H04L27/18 , H04L27/26 , H04L27/34
摘要： This application provides a multichannel-based signal transmission method and apparatus. The method includes: combining N groups of lower-order modulation symbols into N groups of higher-order modulation symbols, where an ith higher-order modulation symbol in each group of higher-order modulation symbols is obtained by combining ith lower-order modulation symbols in all the N groups of lower-order modulation symbols, each group of lower-order modulation symbols includes M lower-order modulation symbols, i=1, 2, . . . , M, N is a positive integer greater than 1, and M is a positive integer greater than 1; determining N to-be-sent signals based on the N groups of higher-order modulation symbols; and sending a kth to-be-sent signal in the N to-be-sent signals by using a kth channel in N channels, where k=1, 2, . . . , N.

9. 发明授权

US10411871B2 Wireless communication method, device, and system 有权
公开(公告)号：US10411871B2
公开(公告)日：2019-09-10
申请号：US15440668
申请日：2017-02-23
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Sheng Liu , Teyan Chen
IPC分类号： H04L5/14 , H04W72/04
摘要： Embodiments of the present invention provide a wireless communication method, device, and system, which relate to the field of communications technologies, and can resolve a problem of low carrier utilization in a wireless communications system. In the method, a wireless access device communicates with user equipment on a first carrier by using at least three timeslots, where the at least three timeslots include at least one full-duplex timeslot, at least one downlink timeslot, and at least one uplink timeslot; the wireless access device performs one or more of signal sending or signal reception in the full-duplex timeslot; the wireless access device sends a downlink signal in the downlink timeslot; and the wireless access device receives an uplink signal in the uplink timeslot. The embodiments of the present invention are used for wireless communication.

10. 发明授权

US10193684B2 Method and apparatus for signal processing 有权
公开(公告)号：US10193684B2
公开(公告)日：2019-01-29
申请号：US15347633
申请日：2016-11-09
申请人： Huawei Technologies Co., Ltd.
发明人： Teyan Chen , Sheng Liu , Hong Cheng
IPC分类号： H04L5/14 , H04L27/38
摘要： The present embodiments relate to the field of communications, and discloses a signal processing method and apparatus, which can implement self-interference cancellation when in-phase quadrature (IQ) imbalance exists in a communications system. An embodiment is acquiring, a digital baseband reference signal, a self-interference reference signal, and a frequency-domain baseband signal. The method also includes obtaining, according to the digital baseband reference signal, a basic reference signal and an image reference signal that are image to each other and estimating an estimated value of a first comprehensive response and an estimated value of a second comprehensive response according to the basic reference signal, the image reference signal, and the self-interference reference signal. Additionally, the method includes calculating a self-interference signal according to the estimated value of the first comprehensive response, the estimated value of the second comprehensive response, the basic reference signal, and the image reference signal, so as to perform self-interference cancellation on the frequency-domain baseband signal.

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