公开(公告)号：US09510301B2

公开(公告)日：2016-11-29

申请号：US15081185

申请日：2016-03-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan Chen ,  Dafeng Tian ,  Jun Ma

IPC: H04B7/00 ,  H04W52/24 ,  H04W52/26 ,  H04W40/12 ,  H04W28/02 ,  H04W52/04 ,  H04W36/30

CPC classification number: H04W52/243 ,  H04W28/0236 ,  H04W36/30 ,  H04W40/12 ,  H04W52/04 ,  H04W52/241 ,  H04W52/245 ,  H04W52/246 ,  H04W52/26 ,  H04W52/265 ,  H04W52/42

Abstract: The present invention relates to the field of information communication and control, and discloses a method and an apparatus for adjusting transmit power and used to resolve a problem of interference between paths in a multipath system. The method provided by the present invention specifically includes: determining a path with worst signal quality according to signal quality information of each path; then, increasing transmit power of the path, or, decreasing transmit power of at least one path that produces strongest interference to the path with the worst signal quality; and finally, using a manner of cyclically adjusting signal transmit power to enable interference between the paths to meet a requirement of not affecting communications quality, thereby resolving a problem of interference between paths in a multipath system. Embodiments of the present invention are mainly used in a data transmission process in a multipath system.

Abstract translation: 本发明涉及信息通信和控制领域，并且公开了一种用于调整发射功率并用于解决多径系统中的路径之间的干扰问题的方法和装置。 本发明提供的方法具体包括：根据每个路径的信号质量信息确定具有最差信号质量的路径; 然后，增加路径的发射功率，或降低对具有最差信号质量的路径产生最强干扰的至少一个路径的发射功率; 最后，采用循环调整信号发送功率的方式，实现路径间的干扰，满足不影响通信质量的要求，从而解决多路径系统中路径间的干扰问题。 本发明的实施例主要用于多径系统中的数据传输过程。

公开(公告)号：US10177824B2

公开(公告)日：2019-01-08

申请号：US15668602

申请日：2017-08-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan Chen ,  Kun Li ,  Hao Long

IPC: H04L27/06 ,  H04B7/0408 ,  H04B7/26 ,  H04B1/10 ,  H04B7/08 ,  H04W56/00

Abstract: A signal processing method and a related device are provided. The signal processing method includes: determining that there are N directions for received signals corresponding to a same signal source; configuring beam directions of an antenna as the N directions; estimating delays of the N received signals received by using the antenna, and separately performing, by using the estimated delays of the N received signals, delay compensation on the N received signals to obtain N received signals obtained after delay compensation, where the N received signals are in a one-to-one correspondence with the N directions, and N is an integer greater than 1; and performing combining processing on the N received signals obtained after delay compensation. The technical solutions in embodiments of the present invention help increase a signal reception gain in a multipath scenario.

公开(公告)号：US09444664B2

公开(公告)日：2016-09-13

申请号：US14035873

申请日：2013-09-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan Chen ,  Dafeng Tian ,  Xiaodong Li ,  Qiao Liu

IPC: H04L27/00 ,  H04L25/02

CPC classification number: H04L27/0014 ,  H04L25/0202 ,  H04L2027/004 ,  H04L2027/0067

Abstract: Embodiments of the present invention provide a method, includes: performing channel estimation on a signal of a current channel to obtain channel information of the current channel, performing calculation processing on the channel information obtained in current channel estimation and channel information obtained in previous channel estimation to obtain a phase difference of the current channel information, dividing the phase difference of the current channel information by a time interval between two times of channel estimation to obtain residual frequency offset information of the current channel, adding the residual frequency offset information of the current channel and frequency offset information which is of the channel and obtained in a previous calculation to obtain frequency offset information of the current channel, and outputting the frequency offset information of the current channel, so as to perform frequency offset correction on the signal of the channel according to the current frequency offset information.

Abstract translation: 本发明的实施例提供一种方法，包括：对当前信道的信号进行信道估计，以获得当前信道的信道信息，对在当前信道估计中获得的信道信息进行计算处理，并在先前信道估计中获得的信道信息 为了获得当前信道信息的相位差，将当前信道信息的相位差除以两次信道估计之间的时间间隔，以获得当前信道的剩余频率偏移信息，将当前信道的剩余频率偏移信息相加 通道和频率偏移信息，以获得当前通道的频率偏移信息，并输出当前通道的频率偏移信息，以便对通道的信号进行频率偏移校正 根据 当前频率偏移信息。

公开(公告)号：US20160212715A1

公开(公告)日：2016-07-21

申请号：US15081185

申请日：2016-03-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan Chen ,  Dafeng Tian ,  Jun Ma

IPC: H04W52/24

CPC classification number: H04W52/243 ,  H04W28/0236 ,  H04W36/30 ,  H04W40/12 ,  H04W52/04 ,  H04W52/241 ,  H04W52/245 ,  H04W52/246 ,  H04W52/26 ,  H04W52/265 ,  H04W52/42

Abstract: The present invention relates to the field of information communication and control, and discloses a method and an apparatus for adjusting transmit power and used to resolve a problem of interference between paths in a multipath system. The method provided by the present invention specifically includes: determining a path with worst signal quality according to signal quality information of each path; then, increasing transmit power of the path, or, decreasing transmit power of at least one path that produces strongest interference to the path with the worst signal quality; and finally, using a manner of cyclically adjusting signal transmit power to enable interference between the paths to meet a requirement of not affecting communications quality, thereby resolving a problem of interference between paths in a multipath system. Embodiments of the present invention are mainly used in a data transmission process in a multipath system.

Abstract translation: 本发明涉及信息通信和控制领域，并且公开了一种用于调整发射功率并用于解决多径系统中的路径之间的干扰问题的方法和装置。 本发明提供的方法具体包括：根据每个路径的信号质量信息确定具有最差信号质量的路径; 然后，增加路径的发射功率，或降低对具有最差信号质量的路径产生最强干扰的至少一个路径的发射功率; 最后，采用循环调整信号发送功率的方式，实现路径间的干扰，满足不影响通信质量的要求，从而解决多路径系统中路径间的干扰问题。 本发明的实施例主要用于多径系统中的数据传输过程。

公开(公告)号：US09088442B2

公开(公告)日：2015-07-21

申请号：US14319350

申请日：2014-06-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Teng Ma ,  Zihuan Chen ,  Ning Liu

IPC: H04L27/00 ,  H04L1/00

CPC classification number: H04L27/0008 ,  H04L1/0003 ,  H04L1/0082 ,  H04L27/0012

Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for sending and receiving service data, where the method includes: first, obtaining, by a sending end, a target modulation mode different from a current modulation mode; and then, generating, by the sending end, invalid data, and temporarily storing service data at the same time; and then, performing encapsulation and mapping on the invalid data, switching the current modulation mode to the target modulation mode, modulating encapsulated and mapped invalid data according to the target modulation mode, and sending modulated invalid data to a receiving end; and finally, after the sending end completes the encapsulation and mapping on the invalid data, performing encapsulation and mapping on the temporarily stored service data, modulating encapsulated and mapped service data according to the target modulation mode, and sending modulated service data to the receiving end.

Abstract translation: 本发明的实施例公开了一种用于发送和接收服务数据的方法，装置和系统，其中该方法包括：首先，通过发送端获得与当前调制模式不同的目标调制模式; 然后由发送端生成无效数据，同时暂时存储业务数据; 然后对无效数据执行封装和映射，将当前调制模式切换到目标调制模式，根据目标调制模式调制封装和映射的无效数据，并将调制的无效数据发送到接收端; 最后，在发送端完成对无效数据的封装和映射后，对临时存储的业务数据进行封装和映射，根据目标调制模式调制封装和映射的业务数据，并将调制业务数据发送给接收端 。

公开(公告)号：US09510303B2

公开(公告)日：2016-11-29

申请号：US15048305

申请日：2016-02-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan Chen

IPC: H04B7/00 ,  H04W52/34 ,  H04W52/04 ,  H04W52/42 ,  H04W52/24 ,  H04L25/02 ,  H04B7/04 ,  H04B7/06 ,  H04W52/08

CPC classification number: H04W52/346 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04L25/0204 ,  H04W52/04 ,  H04W52/08 ,  H04W52/245 ,  H04W52/42

Abstract: The present invention discloses a method. The method includes: receiving, through N receive channels, N signals sent by a transmit end, where the N signals include a channel estimation sequence; determining a total receive power of an ith receive channel; determining a channel matrix according to a received channel estimation sequence; determining a useful receive power of the ith receive channel according to the channel matrix and the total receive power of the ith receive channel; determining, according to the channel matrix and a receive power that is required by single-channel communication, a receive power required by the ith receive channel; and sending a power adjustment message to the transmit end if the useful receive power of the ith receive channel does not match the receive power required by the ith receive channel, so that the transmit end adjusts a transmit power of an ith signal.

Abstract translation: 本发明公开了一种方法。 该方法包括：通过N个接收信道接收由发送端发送的N个信号，其中N个信号包括信道估计序列; 确定第i个接收信道的总接收功率; 根据接收的信道估计序列确定信道矩阵; 根据信道矩阵和第i个接收信道的总接收功率确定第i个接收信道的有用接收功率; 根据信道矩阵和单信道通信所需的接收功率确定第i个接收信道所需的接收功率; 以及如果所述第i个接收信道的有用接收功率与所述第i个接收信道所需的接收功率不匹配，则向所述发射端发送功率调整消息，以便所述发射端调整第i个信号的发射功率。

公开(公告)号：US08538474B2

公开(公告)日：2013-09-17

申请号：US13625638

申请日：2012-09-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan Chen ,  Dafeng Tian ,  Jun Ma

IPC: H04B1/00 ,  H04B7/00 ,  H04B1/04 ,  H01Q11/12 ,  H04W4/00 ,  G08C17/00 ,  H04K1/10 ,  H04L27/28 ,  H04L27/00 ,  H04N7/173

CPC classification number: H04W52/367 ,  H04L1/0003 ,  H04L1/0017 ,  H04L1/0025 ,  H04W52/241 ,  H04W52/247

Abstract: A method and an apparatus of adjusting transmission power are provided. Transmission power configuration information is acquired, where the transmission power configuration information includes a transmission power lower limit and a transmission power upper limit; modulation mode configuration information is acquired, where the modulation mode configuration information includes a lower limit modulation mode and an upper limit modulation mode; current channel information is acquired; calculation is performed according to the current channel information, the transmission power configuration information and the modulation mode configuration information to obtain first transmission power and a first modulation mode; and signal transmission is controlled according to the first transmission power and the first modulation mode.

Abstract translation: 提供了一种调节发射功率的方法和装置。 发送功率配置信息包含发送功率下限和发送功率上限的发送功率配置信息， 调制模式配置信息被获取，其中调制模式配置信息包括下限调制模式和上限调制模式; 获取当前频道信息; 根据当前信道信息，发送功率配置信息和调制模式配置信息进行计算，以获得第一发送功率和第一调制模式; 并且根据第一传输功率和第一调制模式来控制信号传输。

公开(公告)号：US20130023298A1

公开(公告)日：2013-01-24

申请号：US13625638

申请日：2012-09-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan Chen ,  Dafeng Tian ,  Jun Ma

IPC: H04W52/04

CPC classification number: H04W52/367 ,  H04L1/0003 ,  H04L1/0017 ,  H04L1/0025 ,  H04W52/241 ,  H04W52/247

Abstract: A method and an apparatus of adjusting transmission power are provided. Transmission power configuration information is acquired, where the transmission power configuration information includes a transmission power lower limit and a transmission power upper limit; modulation mode configuration information is acquired, where the modulation mode configuration information includes a lower limit modulation mode and an upper limit modulation mode; current channel information is acquired; calculation is performed according to the current channel information, the transmission power configuration information and the modulation mode configuration information to obtain first transmission power and a first modulation mode; and signal transmission is controlled according to the first transmission power and the first modulation mode.

Abstract translation: 提供了一种调节发射功率的方法和装置。 发送功率配置信息包含发送功率下限和发送功率上限的发送功率配置信息， 调制模式配置信息被获取，其中调制模式配置信息包括下限调制模式和上限调制模式; 获取当前频道信息; 根据当前信道信息，发送功率配置信息和调制模式配置信息进行计算，以获得第一发送功率和第一调制模式; 并且根据第一传输功率和第一调制模式来控制信号传输。