无线携能通信中一种能效优先的缓存队列机制中继选择方案

doi:10.11959/j.issn.1000-0801.2018111

电信科学 ›› 2018, Vol. 34 ›› Issue (3): 67-75.doi: 10.11959/j.issn.1000-0801.2018111

无线携能通信中一种能效优先的缓存队列机制中继选择方案

洪鑫龙,许晓荣(),姚英彪

杭州电子科技大学，浙江杭州 310018

修回日期:2018-02-02 出版日期:2018-03-01 发布日期:2018-04-02
作者简介:洪鑫龙（1993-），男，杭州电子科技大学硕士生，主要研究方向为能效优先的 SWIPT网络中缓存队列机制中继选择方案设计。|许晓荣（1982-），男，博士后，杭州电子科技大学副教授、硕士生导师，主要研究方向为 SWIPT 网络中缓存队列机制中继选择与资源调度、能效优先的认知无线网络资源分配等。|姚英彪（1976-），男，博士后，杭州电子科技大学教授、硕士生导师，主要研究方向为无线网络的能量有效性、无线资源管理等。
基金资助:
杭州电子科技大学“电子科学与技术”浙江省一流学科 A 类开放基金项目：“无线携能网络中缓存队列机制中继选择与资源调度方案研究”(GK178800207001/024);2017年度杭州电子科技大学“优秀骨干教师支持计划”人才项目，杭州电子科技大学通信工程学院专业学位研究生科研创新基金重点项目：“无线携能网络中缓存队列机制中继选择方案研究”(GK178800208018);浙江省科协青年科技人才培育工程资助项目(2016YCGC009)

Energy-efficiency based buffer-aided relay selection scheme in SWIPT

Xinlong HONG,Xiaorong XU(),Yingbiao YAO

Hangzhou Dianzi University,Hangzhou 310018,China

Revised:2018-02-02 Online:2018-03-01 Published:2018-04-02
Supported by:
The Open Project of “Electronic Science and Technology” Zhejiang First Class Discipline (Class A): “Research on buffer-aided relay selection and resource scheduling strategies in SWIPT”(GK178800207001/024);Excellent Backbone Teacher Support Program in Hangzhou Dianzi University in 2017,The Key Innovation Research Foundation for Graduate Students in School of Communication Engineering,Hangzhou Dianzi University: “Research on buffer-aided relay selection schemes in SWIPT”(GK178800208018);Excellent Backbone Teacher Support Program in Hangzhou Dianzi University in 2017,The Key Innovation Research Foundation for Graduate Students in School of Communication Engineering,Hangzhou Dianzi University: “Research on buffer-aided relay selection schemes in SWIPT”(2016YCGC009)

摘要/Abstract

摘要：

针对无线携能（SWIPT）中在节点能量受限情况下的缓存队列机制半双工（HD）中继选择的问题，研究了SWIPT中能效优先的缓存队列机制中继节点选择方案和所提策略的系统能效。给出了基于能效优先的缓存队列机制SWIPT最佳接收/转发中继节点选择方案。数值仿真结果表明，所提策略可以有效降低SWIPT网络的中断概率，实现缓存队列SWIPT中能效与中断性能的折中。

关键词: 无线携能, 缓存队列机制中继选择, 能效优先, 能量收集, 中断性能

Abstract:

Aiming at the problem of buffer-aided half-duplex (HD) relay selection in simultaneous wireless information and power transfer(SWIPT) with energy constraint,energy-efficiency priority based buffer-aided relay selection scheme in SWIPT was investigated.Moreover,SWIPT system energy efficiency was studied,and an appropriate mathematical model was constructed to perform energy efficiency based buffer-aided optimal receive/transmit relay selection in SWIPT.Numerical results show that the proposed scheme effectively reduces SWIPT outage probability and achieves the tradeoff between energy efficiency and outage performance in buffer-aided SWIPT.

Key words: SWIPT, buffer-aided relay selection, energy-efficiency priority, energy harvesting, outage performance

中图分类号:

TP393

洪鑫龙,许晓荣,姚英彪. 无线携能通信中一种能效优先的缓存队列机制中继选择方案[J]. 电信科学, 2018, 34(3): 67-75.

Xinlong HONG,Xiaorong XU,Yingbiao YAO. Energy-efficiency based buffer-aided relay selection scheme in SWIPT[J]. Telecommunications Science, 2018, 34(3): 67-75.

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第一阶段T/2	第二阶段T/2
R从S收集能量（(1-λ_i)P_S）	R用收集到的能量向D传输信息
S向D传输信息（λ_iP_S）

状态	S1	S2	S3	S4	S5	S6	S7	S8	S9
L₁L₂	00	01	02	10	11	12	20	21	22

无线携能通信中一种能效优先的缓存队列机制中继选择方案

Energy-efficiency based buffer-aided relay selection scheme in SWIPT

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