A Practical Compress-and-Forward Relay Scheme Based on Superposition Coding

摘要：

　　Compress- andcooperative communication and has drawn much attention.In CF scheme,the relay compresses and transmits the received signals to the destination,where Wyner-Ziv coding is considered as an efficient way to compress the signal with side information available.Since the current research of superposition coding for Wyner-Ziv problem only remains in theory,we design a practical CF scheme in half-duplex mode by using the technique of superposition coding and provide specific coding strategy for it.The relay compresses the received signal by the quantization method based on superposition coding,and then the destination performs a joint decoding to recover the original message.Simulations show that our proposed scheme outperforms the conventional CF scheme with scalar quantization at the relay.This coding strategy can be easily extended to the scenarios of fading channels,which are more practical in wireless communication.

关键词： compress-and-forward relay channel superposition coding quantization Wyner-Ziv coding

作者: Yang Liu Wenbo Xu Kai Niu Zhiqiang He Baoyu Tian

作者单位: Key Laboratory of Universal Wireless Communication, Ministry of Education,Beijing University of Posts and Telecommunications Beijing, China

会议类型: 国际会议

会议名称: 2012 IEEE 14th International Conference on Communication Technology(2012年第十四届通信技术国际会议(ICCT 2012))

会议地点: 成都

会议语种:英文

页码: 1388-1392

在线出版日期: 2012-11-09（万方平台首次上网日期，不代表论文的发表时间）