能量收集双向中继网络的高能效联合中继选择和功率分配算法

doi:10.3969/j.issn.0372-2112.2017.05.015

电子学报 ›› 2017, Vol. 45 ›› Issue (5): 1124-1129.DOI: 10.3969/j.issn.0372-2112.2017.05.015

能量收集双向中继网络的高能效联合中继选择和功率分配算法

丁长文^1,2, 杨霖^1,2, 李高祥¹

1. 电子科技大学通信抗干扰国家级重点实验室, 四川成都 611731;
2. 中国电子科技集团公司第五十四所通信网信息传输与分发技术重点实验室, 河北石家庄 050081

收稿日期:2016-03-02 修回日期:2016-08-05 出版日期:2017-05-25
- 作者简介:
- 丁长文 男,1992年生于四川宣汉.电子科技大学通信抗干扰技术国家级重点实验室研究生.研究方向为双向中继网络的性能优化.E-mail:804388795@qq.com;杨霖男,1977年生于四川宜宾.电子科技大学通信抗干扰技术国家级重点实验室副教授.研究方向为无线与移动通信、现代通信中的信号处理;李高祥 男,1993年生于山西临汾.电子科技大学通信抗干扰技术国家级重点实验室研究生.研究方向为中继通信.
- 基金资助:
- 国家自然科学基金 (No.61370012）; 国家科技重大专项课题 (No.2013ZX03005010）; 通信网信息传输与分发技术重点实验室开放课题 (No.KX152600016/ITD-U15007）

Energy-Efficient Relay Selection and Power Allocation for Energy Harvesting Two-Way Relay Network

DING Chang-wen^1,2, YANG Lin^1,2, LI Gao-xiang¹

1. National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China;
2. Science and Technology on Information Transmission and Dissemination in Communication Networks Laboratory, the 54 th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang, Hebei 050081, China

Received:2016-03-02 Revised:2016-08-05 Online:2017-05-25 Published:2017-05-25
- Supported by:
- National Natural Science Foundation of China (No.61370012); Subject of National Science and Technology Major Project of the Ministry of Science and Technology (No.2013ZX03005010); Open Project of Key Laboratory of Transmission and Distribution Technology of Communication Network Information (No.KX152600016/ITD-U15007)

摘要/Abstract

摘要：

为了实现双向中继系统在满足传输速率要求时的最小功率消耗，基于功率分割中继协议，在完美和非完美的信道估计两种不同的情况下，提出了能量收集双向中继网络的高能效联合中继选择和功率分配算法，得到了两个信源的最优功率分配和中继节点最优的能量收集比例.仿真结果表明，信道估计误差会增加系统的功率消耗；与传统双向中继比较发现，能量收集双向中继能够实现更少的系统功率消耗.

关键词: 双向中继网络, 中继选择, 功率分配, 能量收集, 信道估计误差

Abstract:

To achieve the objective of minimizing the system transmit power consumption at required end-to-end rates,we propose the optimal energy-efficient relay selection and power allocation method for energy harvesting two-way relay network based on the power splitting-based relaying protocol when the system has perfect CSI and imperfect CSI,the optimal power allocation of two sources and optimal energy harvesting proportion at relays are formulated.Simulation results show that channel estimation error would increase the total transmit power consumption,and energy harvesting two-way relay network could achieve less power consumption compared to conventional two-way relay network.

Key words: two-way relay network, relay selection, power allocation, energy harvesting, channel estimation error

中图分类号:

TN925

丁长文, 杨霖, 李高祥. 能量收集双向中继网络的高能效联合中继选择和功率分配算法[J]. 电子学报, 2017, 45(5): 1124-1129.

DING Chang-wen, YANG Lin, LI Gao-xiang . Energy-Efficient Relay Selection and Power Allocation for Energy Harvesting Two-Way Relay Network[J]. Acta Electronica Sinica, 2017, 45(5): 1124-1129.

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能量收集双向中继网络的高能效联合中继选择和功率分配算法

Energy-Efficient Relay Selection and Power Allocation for Energy Harvesting Two-Way Relay Network

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