A multi-relay transmission scheme using fountain codes and adaptive modulation

作者：Lei Wei Jia^*; Guo Xu Jing; Wang Huan Huan; Xie Xian Zhong

来源：Journal of Beijing University of Posts and Telecommunications, 2014, 37(2): 68-73.

DOI：10.13190/j.jbupt.2014.02.015

• Adaptive coding and modulation
• Adaptive modulation and coding
• Cooperative relay
• Fountain codes
• Modulation schemes
• Multi relays
• Selection algorithm
• Transmission schemes

A multi-relay transmission scheme using fountain codes and adaptive coding and modulation was proposed, also the corresponding multi-relay selection algorithm was proposed. First of all, the throughput of adaptive modulation with fountain codes was analyzed, the optimal modulation scheme was given in different SNR range, and the performance of adaptive modulation in fading channels was analyzed. Furthermore, fountain codes and adaptive modulation was applied in multi-relay transmission scheme, gave a relay selection algorithm, and the performance of transmission time and energy consumption for this scheme were analyzed in detail. At last, did the simulation. The result demonstrates that, comparing with other transmission schemes, this transmission scheme improves the data throughput obviously; decreases the transmission time.

• 出版日期2014