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D2D協(xié)作通信網(wǎng)絡(luò)中基于社交信息的中繼選擇和功率分配

徐少毅,  張鵬

徐少毅, 張鵬. D2D協(xié)作通信網(wǎng)絡(luò)中基于社交信息的中繼選擇和功率分配[J]. 電子與信息學(xué)報(bào), 2017, 39(5): 1142-1149. doi: 10.11999/JEIT160746
引用本文: 徐少毅, 張鵬. D2D協(xié)作通信網(wǎng)絡(luò)中基于社交信息的中繼選擇和功率分配[J]. 電子與信息學(xué)報(bào), 2017, 39(5): 1142-1149. doi: 10.11999/JEIT160746
XU Shaoyi, ZHANG Peng. Social Network Information Based Relay Selection and Power Allocation in D2D Communication Systems[J]. Journal of Electronics & Information Technology, 2017, 39(5): 1142-1149. doi: 10.11999/JEIT160746
Citation: XU Shaoyi, ZHANG Peng. Social Network Information Based Relay Selection and Power Allocation in D2D Communication Systems[J]. Journal of Electronics & Information Technology, 2017, 39(5): 1142-1149. doi: 10.11999/JEIT160746

D2D協(xié)作通信網(wǎng)絡(luò)中基于社交信息的中繼選擇和功率分配

doi: 10.11999/JEIT160746 cstr: 32379.14.JEIT160746
基金項(xiàng)目: 

國家自然科學(xué)基金(61571038)，國家科技重大專項(xiàng)(2016ZX03001011-004)，中央高?；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)(2016JBZ 003)

Social Network Information Based Relay Selection and Power Allocation in D2D Communication Systems

Funds: 

The National Natural Science Foundation of China (61571038), The Important National Science Technology Specific Projects of China (2016ZX03001011-004), The Fundamental Research Funds for the Central Universities (2016JBZ 003)

  • 摘要: D2D通信技術(shù)結(jié)合社交網(wǎng)絡(luò)的應(yīng)用是通信行業(yè)發(fā)展的熱點(diǎn)之一，而協(xié)作通信能夠滿足高數(shù)據(jù)速率、廣覆蓋范圍的通信需求。為了促進(jìn)用戶間協(xié)作通信的有效性和信任度，針對D2D協(xié)作通信網(wǎng)絡(luò)，該文首先提出一種綜合社交因素和物理因素的協(xié)作D2D中繼模型。進(jìn)而基于中斷概率提出一種中繼選擇方案，降低D2D通信的中斷概率，提高系統(tǒng)吞吐量；同時通過最優(yōu)化理論對源設(shè)備和中繼設(shè)備進(jìn)行最優(yōu)功率分配。仿真表明在相同條件下，該算法具有明顯優(yōu)于傳統(tǒng)中繼選擇算法的性能，經(jīng)過最優(yōu)功率分配能夠進(jìn)一步降低通信系統(tǒng)的中斷概率。
    Abstract: 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.
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出版歷程
  • 收稿日期:  2016-07-14
  • 修回日期:  2017-01-03
  • 刊出日期:  2017-05-19

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