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一种联合估计的有源校正高精度测向算法
  • ISSN号：1674-5620
  • 期刊名称：《飞行器测控学报》
  • 时间：0
  • 分类：TN919.81[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]清华大学无线与移动技术研究中心,北京100084
  • 相关基金：国家基础研究计划（2012CB316002）和自然科学基金（61021001）,国家重大专项课题（2010ZX03005-001-02）和国家863计划资助
作者： 陈云[1], 黄振[1]
关键词： MIMO, 非线性检测, 软信息, 限幅替代, MIMO non-linear detection soft-out amplitude-limit replacement
中文摘要：

新一代无线通信系统均采用多流空分复用、高阶调制、高码率信道编码等技术以提高吞吐量。针对使用高阶调制的高阶MIMO（Multiple Input Multiple Output）系统，研究低复杂度的检测算法和软输出算法是降低接收机整体复杂度的关键一环。选定了复杂度低、易于硬件实现的K—Best为MIMO检测的搜索方法，在探讨了几种近似的次优计算算法基础上，提出了一种复杂度低、性能较好的K—Best软信息简化算法——限幅替代法。仿真结果表明，该方法无论是性能还是复杂度都全面占优。因此，适合用于新一代无线通信系统的MIMO软输出检测。

英文摘要：

MIMO-OFDM technology with multiple layers spatial in new generation wireless communication systems as an important multiplexing and high-order QAM was adopted approach to increase spectral efficiency. Research on low complexity soft-out detection algorithms is key to reducing the complexity of MIMO receiver. The low-complexity is chosen, easy-to-implement K-Best as search method for MIMO detection. After discussing several approximation algorithms, a good approximation algorithm for K-Best soft-out detection, Amplitude-limit Replacement, is proposed. Simulation results show that the algorithm has low complexity and good performance. Therefore, it is suitable for soft-out MIMO detection in new generation wireless communication systems.

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期刊信息
  • 《飞行器测控学报》
  • 主管单位:北京跟踪与通信技术研究所
  • 主办单位:北京跟踪与通信技术研究所
  • 主编：徐向民
  • 地址：北京市5131信箱14号
  • 邮编：100094
  • 邮箱：spaceTTC@bittt.cn
  • 电话：010-66361267 66361274
  • 国际标准刊号：ISSN：1674-5620
  • 国内统一刊号：ISSN：11-4230/TV
  • 邮发代号:
  • 获奖情况:
  • 1986年获国防科工委科技进步三等奖,1991年获军队科技期刊三等奖,1996年获“优秀国防科技期刊”称号
  • 国内外数据库收录:
  • 被引量:2711