A Novel Matched Filter Structure of Primary Synchronous Channel in W-CDMA System

NIU Kai; WANG Shuang-quan; WU Wei-ling

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A Novel Matched Filter Structure of Primary Synchronous Channel in W-CDMA System

更新时间：2025-07-16

- A Novel Matched Filter Structure of Primary Synchronous Channel in W-CDMA System
- Acta Electronica Sinica Vol. 30, Issue 10, Pages: 1474-1476(2002)
- 作者机构：
  
  北京邮电大学信息工程学院,北京,100876
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN713+.6
- Published：2002
- 稿件说明：
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NIU Kai, WANG Shuang-quan, WU Wei-ling. A Novel Matched Filter Structure of Primary Synchronous Channel in W-CDMA System[J]. Acta Electronica Sinica, 2002, 30(10): 1474-1476.
DOI：

NIU Kai, WANG Shuang-quan, WU Wei-ling. A Novel Matched Filter Structure of Primary Synchronous Channel in W-CDMA System[J]. Acta Electronica Sinica, 2002, 30(10): 1474-1476. DOI：

摘要

W-CDMA系统中

各基站之间是异步时序关系.为了快速识别基站

3GPP协议引入了三步同步的小区搜索算法.第一步对主同步信道的搜索是极其重要的.采用传统的匹配滤波器结构占用的硬件资源非常庞大.主同步信道是由广义分层Golay序列构成的

根据其构造特性

我们提出一种新颖的广义分层Golay匹配滤波器(简称GHGMF).理论分析证明该结构大幅度降低了硬件实现的复杂度

对于工程应用具有重要价值.

Abstract

The timing relationship between base stations is asynchronous in W-CDMA system.So the three-step cell search algorithm is introduced in 3GPP protocols in order to fast identify the special base station.The first step

Primary Synchronous Channel(P-SCH) acquisition

is very important

but the conventional matched filter occupies much large hardware resources.Because the P-SCH is composed of the Generalised Hierarchical Golay(GHG) Sequence

we propose a novel GHG matched filter according to its structural property

which extremely reduces the hardware complexity.Generally speaking

such GHGMF structure is significant for engineering applications.

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Related Institution

National Lab of Radar Signal Processing,Xidian Univ.

The ATR laboratory of NUDT

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