On the Performance of TCM DS／SSMA System over Urban Multipath Fading Channel

仰枫帆; 华光国

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On the Performance of TCM DS／SSMA System over Urban Multipath Fading Channel

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- On the Performance of TCM DS／SSMA System over Urban Multipath Fading Channel
- Acta Electronica Sinica Issue 7, (1997)
- 作者机构：
  
  1. 南京航空航天大学电子工程系
  2. 东南大学无线电工程系
  3. 南京航空航天大学电子工程系东南大学无线电工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN914.4
- Published：1997
- 稿件说明：
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[1]仰枫帆,华光国.市区多径衰落信道中的TCMDS／SSMA系统性能分析[J].电子学报,1997(07):50-55.

仰枫帆, 华光国. On the Performance of TCM DS／SSMA System over Urban Multipath Fading Channel[J]. Acta Electronica Sinica, 1997, (7).
[1]仰枫帆,华光国.市区多径衰落信道中的TCMDS／SSMA系统性能分析[J].电子学报,1997(07):50-55. DOI：

仰枫帆, 华光国. On the Performance of TCM DS／SSMA System over Urban Multipath Fading Channel[J]. Acta Electronica Sinica, 1997, (7). DOI：

摘要

本文将网络编码调制（ＴＣＭ）应用于市区多径衰落信道下的直接序列扩频多址（ＤＳ／ＳＳＭＡ）系统中．应用ＤＳ条件下市区多径衰落信道的等效模型，提出了一种采用理论分析和数值模拟相结合分析ＴＣＭＤＳ／ＳＳＭＡ系统在该信道下性能的新方法，并将传统的Ｕｎｇｅｒｂｏｅｃｋ型ＴＣＭ和本文所构造的若干种低码率ＴＣＭＤＳ／ＳＳＭＡ系统的性能进行比较．

Abstract

In this paper trellis-coded modulation（TCM）is applied to direct sequence spread spectrum multiple access （DS/SSMA）system over urban multipath fading channel. Based on the model of such a channel under DS conditions

we propose a new way which combines the theoretical analysis and numerical simulation to investigate the characteristics of TCM DS/SSMA systems and compare the performance of the DS/SSMA system with TCM of Ungerboeck＇s type and those of the systems with TCM of lower coding rate.

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