The combination of Device-to-Device (D2D) and social networks is one of the hot topics in the current and future communication industry. Cooperative communication is with characteristics of the high data rate and wide coverage range. In order to promote the confidence and the effectiveness between users, for such a cooperative D2D communication network, a comprehensive cooperative D2D relay model is firstly put forward which combines social factors and physical factors. Then, based on the optimization of the outage probability, a relay selection scheme is proposed to reduce the outage probability and improve the system throughput of D2D communication. Furthermore, optimal power allocation of the source and relay equipment is designed. Simulation results show that under the same conditions, the proposed algorithm is superior to other relay selection algorithms with respect to the interruption performance. Moreover, through optimal power allocation, the proposed algorithm can further reduce the outage probability in the D2D cooperative communication system.
徐少毅,张鹏. D2D协作通信网络中基于社交信息的中继选择和功率分配[J]. 电子与信息学报, 2017, 39(5): 1142-1149.
XU Shaoyi, ZHANG Peng. Social Network Information Based Relay Selection and Power Allocation in D2D Communication Systems. JEIT, 2017, 39(5): 1142-1149.
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