CN110024304A - 相位校正方法及装置 - Google Patents

相位校正方法及装置 Download PDF

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Publication number
CN110024304A
CN110024304A CN201680091163.2A CN201680091163A CN110024304A CN 110024304 A CN110024304 A CN 110024304A CN 201680091163 A CN201680091163 A CN 201680091163A CN 110024304 A CN110024304 A CN 110024304A
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China
Prior art keywords
value
bbu
time delay
unit
variation value
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CN201680091163.2A
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CN110024304B (zh
Inventor
王珏平
蒲涛
李兴文
谷扬
王学普
范茂斌
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

本发明实施例提供了一种相位校正方法及装置，以实现通过BBU对RRU进行快速的相位校正，弥补了空口校正的不足。所述相位校正方法，包括：基带单元BBU连续两次获取本地时钟和接收到的射频单元RRU的恢复时钟之间的时延值；所述基带单元根据所述两次时延值计算出时延变化值；所述基带单元根据所述时延变化值计算得到互易性相差校正系数，并利用所述互易性相差校正系数对子载波进行相位校正。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201680091163.2A 2016-12-02 2016-12-02 相位校正方法及装置 Active CN110024304B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/108403 WO2018098815A1 (zh) 2016-12-02 2016-12-02 相位校正方法及装置

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CN110024304A true CN110024304A (zh) 2019-07-16
CN110024304B CN110024304B (zh) 2021-04-09

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CN (1) CN110024304B (zh)
WO (1) WO2018098815A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117156499B (zh) * 2023-10-30 2024-01-02 ***紫金(江苏)创新研究院有限公司 分布式小区频率资源管理方法、装置及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101170399A (zh) * 2007-11-28 2008-04-30 中兴通讯股份有限公司 一种分布式基站中的时钟同步方法及分布式基站
CN101257343A (zh) * 2008-01-29 2008-09-03 北京北方烽火科技有限公司 一种用于天线校准射频远端单元端的数据同步方法
WO2012062080A1 (zh) * 2010-11-12 2012-05-18 中兴通讯股份有限公司 一种在分布式基站***中实现时延补偿的方法及***

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7653083B2 (en) * 2004-07-13 2010-01-26 Utstarcom Telecom Co., Ltd. Interface method between remote radio unit and centralized base transceiver station
CN101674589B (zh) * 2009-09-30 2012-01-25 中兴通讯股份有限公司 发射通道延时测量方法和装置、发射链路延时补偿方法
CN103188009B (zh) * 2011-12-31 2018-01-09 中兴通讯股份有限公司 信号接收方法及装置
CN105656815B (zh) * 2014-11-11 2019-01-25 华为技术有限公司 一种射频通道的校正方法及装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101170399A (zh) * 2007-11-28 2008-04-30 中兴通讯股份有限公司 一种分布式基站中的时钟同步方法及分布式基站
CN101257343A (zh) * 2008-01-29 2008-09-03 北京北方烽火科技有限公司 一种用于天线校准射频远端单元端的数据同步方法
WO2012062080A1 (zh) * 2010-11-12 2012-05-18 中兴通讯股份有限公司 一种在分布式基站***中实现时延补偿的方法及***

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CN110024304B (zh) 2021-04-09
WO2018098815A1 (zh) 2018-06-07

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