CN1457570A - 用于cdma通信系统接收机中的频率校正方法及装置 - Google Patents

用于cdma通信系统接收机中的频率校正方法及装置 Download PDF

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Publication number
CN1457570A
CN1457570A CN01815620A CN01815620A CN1457570A CN 1457570 A CN1457570 A CN 1457570A CN 01815620 A CN01815620 A CN 01815620A CN 01815620 A CN01815620 A CN 01815620A CN 1457570 A CN1457570 A CN 1457570A
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China
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frequency
signal
sudden
adder
frequency error
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CN01815620A
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Inventor
方莉
刘景波
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Linkair Communications Inc
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Linkair Communications Inc
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Publication of CN1457570A publication Critical patent/CN1457570A/zh
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Abstract

一种在码分多址通信系统接收机中的频率校正方法和装置,主要是通过定时时钟误差来获得收发端频率偏差,并用检测到的频率偏差来调整本地压控振荡器VCO,其中定时时钟误差的获得是利用一检测装置,通过比较匹配滤波器的输出时刻与正确时刻的偏差来获得。采用本发明的自动频率校正方法,能实现发送端和接收端之间的多个频率的快速同步于同一频率源,而且同步精度很高,方法简单,易于实现。

Description

PCT国内申请,说明书已公开。

Claims (1)

  1. PCT国内申请,权利要求书已公开。
CN01815620A 2001-07-23 2001-07-23 用于cdma通信系统接收机中的频率校正方法及装置 Pending CN1457570A (zh)

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EP01815620 2001-07-23

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CN1457570A true CN1457570A (zh) 2003-11-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102594766A (zh) * 2012-03-30 2012-07-18 福建京奥通信技术有限公司 一种移频机近远端载波同步方法及装置
CN104518839A (zh) * 2013-09-30 2015-04-15 华为技术有限公司 频偏检测方法和装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102594766A (zh) * 2012-03-30 2012-07-18 福建京奥通信技术有限公司 一种移频机近远端载波同步方法及装置
CN102594766B (zh) * 2012-03-30 2015-05-13 福建京奥通信技术有限公司 一种移频机近远端载波同步方法及装置
CN104518839A (zh) * 2013-09-30 2015-04-15 华为技术有限公司 频偏检测方法和装置
CN104518839B (zh) * 2013-09-30 2017-06-27 华为技术有限公司 频偏检测方法和装置
US9755820B2 (en) 2013-09-30 2017-09-05 Huawei Technologies Co., Ltd. Frequency offset detection method and apparatus

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