公开(公告)号：US20160197745A1

公开(公告)日：2016-07-07

申请号：US15068502

申请日：2016-03-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiongshu YI ,  Chaochao ZHANG ,  Lu GUAN ,  Yun LIU

IPC: H04L25/02 ,  H04L5/12 ,  H04J11/00 ,  H04W72/04 ,  H04W16/18 ,  H04B7/04

CPC classification number: H04L25/0204 ,  H04B7/0413 ,  H04J11/00 ,  H04L5/12 ,  H04L25/0224 ,  H04L25/03343 ,  H04W16/18 ,  H04W72/042 ,  H04W88/02

Abstract: The present disclosure relates to a remote radio unit (RRU), which is connected to a baseband unit (BBU) and an antenna, comprising: a service transmit channel configured to transmit a first correction signal through the antenna, and a standing wave detecting circuit associated with the service transmit channel, wherein: a working frequency of the standing wave detecting circuit is consistent with the service transmit channel, and the standing wave detecting circuit is capable of detecting a standing wave ratio of the service transmit channel and is configured to receive a correction signal looped back by the antenna, and send the correction signal looped back by the antenna to the BBU, wherein the correction signal looped back by the antenna comprises a portion of the first correction signal reflected by the antenna and is used for a calculation of a correction coefficient of the service transmit channel.

Abstract translation: 本发明涉及连接到基带单元（BBU）和天线的远程无线单元（RRU），包括：被配置为通过天线发送第一校正信号的服务发射信道，以及驻波检测电路 与所述服务发送信道相关联，其中：所述驻波检测电路的工作频率与所述业务发送信道一致，所述驻波检测电路能够检测所述业务发送信道的驻波比，并且被配置为接收 由天线环回的校正信号，并将由天线回送的校正信号发送到BBU，其中由天线回送的校正信号包括由天线反射的第一校正信号的一部分，并用于计算 的服务发送信道的校正系数。