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A novel MC DS-CDMA system scheme with high spectral efficiency
  • ISSN号：1005-8885
  • 期刊名称：《中国邮电高校学报：英文版》
  • 时间：0
  • 分类：TN929.533[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]School of Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • 相关基金：Acknowledgments This study is supported by the National Natural Science Foundation of China （90604035）.
作者： MIAO De-shan LI Dao-ben[1]
关键词： MC, DS-CDMA, 码分多址, 载波频率, 通信技术, MC DS-CDMA, LS Code, subcarrier-group
中文摘要：

这篇文章多介绍一篇小说搬运人直接顺序 code-divisionmultiple-access (MC DS-CDMA ) 策划基于泛泛地同步(LS ) 编码，它能完成很高光谱效率。而不是在一个常规 MCDS-CDMA 计划的单个副载波调整，这个新奇计划介绍非直角的副载波组调整，其干扰在一个副载波组由非直角的间距引起了，能被 amulticode 减少察觉者。为这系统体系结构并且也的详细分析满足要求的 amultiple-input-multiple 输出(MIMO ) MC DS-CDMA 答案在 3Gmobile 通讯以外，系统被建议。模仿的结果证明这个计划能获得优秀小点错误率(BER ) 性能，以及非常完成两次光谱效率作为常规 MC DS-CDMA 系统的。

英文摘要：

This article presents a novel multicarrier direct sequence code-division multiple-access （MC DS-CDMA） scheme based on the loosely synchronous （LS） codes, which can achieve very high spectral efficiency. Instead of the single subcarrier modulation in a conventional MC DS-CDMA scheme, this novel scheme introduces the nonorthogonal subcarrier-group modulation, whose interferences caused by the non-orthogonal spacing in a subcarrier group can be reduced by a multicode detector. A detailed analysis for this system architecture and also a multiple-input-multiple output （MIMO） MC DS-CDMA solution to satisfy the requirement of beyond 3G mobile communication system are proposed. Simulated results demonstrate that this scheme can obtain excellent bit error rate （BER） performance, as well as achieve more than twice the spectral efficiency as that of conventional MC DS-CDMA systems.

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期刊信息
  • 《中国邮电高校学报：英文版》
  • 主管单位:高教部
  • 主办单位:北京邮电大学、南邮、重邮、西邮、长邮、石邮
  • 主编：LU Yinghua
  • 地址：北京231信箱（中国邮电大学）
  • 邮编：100704
  • 邮箱：jchupt@bupt.edu.cn
  • 电话：010-62282493
  • 国际标准刊号：ISSN：1005-8885
  • 国内统一刊号：ISSN：11-3486/TN
  • 邮发代号:2-629
  • 获奖情况:
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  • 被引量:127