Improved non-Rake receiver based on two dimensional spread spectrum for WCDMA systems

TANG You-xi; SHAO Shi-hai; PAN Wen-sheng; LI Shao-qian

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Improved non-Rake receiver based on two dimensional spread spectrum for WCDMA systems

更新时间：2024-10-14

- Improved non-Rake receiver based on two dimensional spread spectrum for WCDMA systems
- Issue 11, (2005)
- 作者机构：
  
  1. 电子科技大学通信抗干扰技术国家级重点实验室
  2. 电子科技大学通信抗干扰技术国家级重点实验室,四川,成都,610054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN851
- Published：2005
- 稿件说明：
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TANG You-xi, SHAO Shi-hai, PAN Wen-sheng, et al. Improved non-Rake receiver based on two dimensional spread spectrum for WCDMA systems[J]. 2005, (11).
DOI：

TANG You-xi, SHAO Shi-hai, PAN Wen-sheng, et al. Improved non-Rake receiver based on two dimensional spread spectrum for WCDMA systems[J]. 2005, (11). DOI：

摘要

针对WCDMA发射的扩频信号

不同于传统的Rake接收算法

本文采用变换域处理技术

提出了一种充分利用多径能量的二维扩频接收技术。分析了这种充分利用多径能量的二维扩频接收机的算法复杂度。通过计算机仿真

比较了传统的Rake接收算法、充分利用多径能量的二维扩频接收算法的误码率性能。结果表明

在Rake接收机难以精确分辨信道中的每条多径的情况下

使用充分利用多径能量的二维扩频接收机具有更好的误码率性能。

Abstract

A direct sequence spread spectrum receiver based on two dimensional spread spectrum for WCDMA systems was proposed. Unlike the conventional Rake receiver

the proposed receiver is motivated by idea of the transform domain design and makes full use of the multipath signals. And compared with the conventional Rake receiver

the proposed receiver is presented by computer simulations to support its bit error rate （BER） performance when it is difficult for the Rake receiver to distinguish each path accurately.

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