Space-time cooperative diversity scheme using full feedback

doi:10.1016/S1005-8885(08)60219-8

中国邮电高校学报(英文) ›› 2009, Vol. 16 ›› Issue (3): 8-13.doi: 10.1016/S1005-8885(08)60219-8

Space-time cooperative diversity scheme using full feedback

孙德春,易克初,李晓辉

State key laboratory of Integrated Service Networks, Xidian University, Xi’an 710071, china

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-06-30
通讯作者: 孙德春

Space-time cooperative diversity scheme using full feedback

SUN De-chun, YI Ke-chu, LI Xiao-hui

State key laboratory of Integrated Service Networks, Xidian University, Xi’an 710071, china

Received:1900-01-01 Revised:1900-01-01 Online:2009-06-30
Contact: SUN De-chun

摘要/Abstract

摘要：

This article proposes a new space-time cooperative diversity scheme called full feedback-based cooperative diversity scheme (FFBCD). In contrast to the conventional adaptive space-time cooperative diversity schemes that utilize the feedback from only the destination node, the new scheme utilizes the feedback from both the destination node and the cooperation node. With the feedback from the destination node, the occasional successful reception of the destination node in the information distribution stage can be detected, thus avoiding unnecessary retransmissions in the information delivery stage. The feedback from the cooperation node indicates the receiving state of the cooperation node in the information distribution stage, and the source node and the cooperation node will not perform cooperative retransmission during the information delivery stage unless the cooperation node is received successfully in the information distribution stage. In this way the new scheme can reduce the number of transmission attempt and improve the channel utilization. The expressions of the average number of transmission attempt are given. Numerical approximations and simulation results both show that the new scheme performs better than the non-cooperative scheme and the conventional adaptive space-time cooperative diversity scheme.

关键词:

space-time;cooperative;diversity,;simple;feedback,;adaptive;cooperative;diversity,;transmission;attempt

Abstract:

Key words:

space-time cooperative diversity;simple feedback;adaptive cooperative diversity;transmission attempt

SUN De-chun, YI Ke-chu, LI Xiao-hui. Space-time cooperative diversity scheme using full feedback[J]. Acta Metallurgica Sinica(English letters), 2009, 16(3): 8-13.

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Space-time cooperative diversity scheme using full feedback

Space-time cooperative diversity scheme using full feedback

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