J4 ›› 2011, Vol. 38 ›› Issue (6): 134-139.doi: 10.3969/j.issn.1001-2400.2011.06.022

• 研究论文 • 上一篇    下一篇

带有预编码的准正交分组空频时发射技术

战金龙;卢建军;卢光跃   

  1. (西安邮电学院 通信与信息工程学院,陕西 西安  710061)
  • 收稿日期:2011-03-12 出版日期:2011-12-20 发布日期:2011-11-29
  • 通讯作者: 战金龙
  • 作者简介:战金龙(1979-),男,讲师,博士,E-mail: zhanjinlong@xupt.edu.cn
  • 基金资助:

    2010年科技部科研院所基金资助项目(2010EG126237);西安邮电学院中青年教师科研基金资助项目(0001284)

Quasi orthogonal group SFTBC transmit scheme with linear constellation precoding

ZHAN Jinlong;LU Jianjun;LU Guangyue   

  1. (Dept. of Telecommunication Eng., Xi'an Inst. of Posts and Telecommunications, Xi'an  710061, China)
  • Received:2011-03-12 Online:2011-12-20 Published:2011-11-29
  • Contact: ZHAN Jinlong

摘要:

基于线性星座图预编码提出了一种可以使准正交分组空频时编码获得满频率分集增益的多天线发射方案.该方案将线性星座图预编码和准正交分组空频时编码级联,从而使基于准正交设计的空频时编码获得满频率和空间分集增益.给出了成对错误概率的理论分析和误码率的仿真结果,可以看出,这种方法与传统方法相比至少有大约1dB的增益.

关键词: 线性星座图预编码, 分组空频时编码, 正交频分复用, 频率分集

Abstract:

Based on LCP(Linear Constellation Precoding), a novel multi-antenna transmit scheme is proposed to make the quasi orthogonal group SFTBC obtain full frequency diversity. In the scheme, LCP and quasi orthogonal group SFTBC are cascaded, thus making SFTBC based on quasi-orthogonal design obtain full frequency diversity and space diversity. Both theoretical analysis of pair-wise error probability and BER simulation results are given. Simulation results show that the proposed scheme has a performance gain of at least 1dB compared to traditional ones.

Key words: linear constellation precoding, group space-frequency-time block code, orthogonal frequency division multiplexing, frequency diversity

中图分类号: 

  • TN911.21