BUFFER AIDED DISTRIBUTED SPACE TIME CODING TECHNIQUES FOR COOPERATIVE DS-CDMA SYSTEMS

被引：0
|
作者：
Gu, Jiaqi [1 ]
de Lamare, Rodrigo C. [2 ]
机构：
[1] Univ York, Dept Elect, Commun Res Grp, York YO10 5DD, N Yorkshire, England
[2] Pontificia Univ Catolica Rio de Janeiro, CETUC, Rio de Janeiro, Brazil
来源：
2016 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING PROCEEDINGS | 2016年
关键词：
DS-CDMA networks; cooperative systems; relay selection; greedy algorithms; space time coding; buffer; TRANSMIT DIVERSITY; RELAY SELECTION; PROTOCOLS; NETWORKS;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this work, we propose a buffer-aided distributed space-time coding (DSTC) scheme for cooperative direct-sequence code-division multiple access systems. We first devise a relay selection algorithm that can automatically select the optimum set of relays among both the source-relay phase and the relay-destination phase for DSTC transmission according to the signal-to-interference-plus-noise ratio (SINR) criterion. Multiple relays equipped with buffers are introduced in the network, which allows the relays to store data received from the sources and wait until the most appropriate time for transmission. Simulation results show that the proposed buffer-aided DSTC scheme and algorithm outperform prior art.
引用
收藏
页码：3626 / 3630
页数：5
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