CN110024304A - 相位校正方法及装置 - Google Patents
相位校正方法及装置 Download PDFInfo
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- 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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- bbu
- time delay
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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)
- PCT国内申请,权利要求书已公开。
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 |
Publications (2)
Publication Number | Publication Date |
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CN110024304A true CN110024304A (zh) | 2019-07-16 |
CN110024304B CN110024304B (zh) | 2021-04-09 |
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CN201680091163.2A Active CN110024304B (zh) | 2016-12-02 | 2016-12-02 | 相位校正方法及装置 |
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CN (1) | CN110024304B (zh) |
WO (1) | WO2018098815A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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)
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)
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 |
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2016
- 2016-12-02 WO PCT/CN2016/108403 patent/WO2018098815A1/zh active Application Filing
- 2016-12-02 CN CN201680091163.2A patent/CN110024304B/zh active Active
Patent Citations (3)
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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Publication number | Publication date |
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CN110024304B (zh) | 2021-04-09 |
WO2018098815A1 (zh) | 2018-06-07 |
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