公开(公告)号：US20140314162A1

公开(公告)日：2014-10-23

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

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：US20170338865A1

公开(公告)日：2017-11-23

申请号：US15668602

申请日：2017-08-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zihuan CHEN ,  Kun LI ,  Hao LONG

IPC: H04B7/0408 ,  H04B1/10 ,  H04B7/08 ,  H04W56/00

CPC classification number: H04B7/0408 ,  H04B1/1081 ,  H04B7/086 ,  H04B7/0885 ,  H04B7/0897 ,  H04B7/26 ,  H04W56/005

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：US20140023094A1

公开(公告)日：2014-01-23

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

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。