Multi relay node selection strategy for energy capture collaborative relay network

Xian-zhong TIAN; Min GUO; Jia-cun HE; Gao LIU; Yi-nan ZHU

doi:10.11959/j.issn.1000-436x.2017276

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Multi relay node selection strategy for energy capture collaborative relay network

Papers | 更新时间：2024-06-05

- Multi relay node selection strategy for energy capture collaborative relay network
- Journal on Communications Vol. 38, Issue Z2, Pages: 1-7(2017)
- 作者机构：
  
  浙江工业大学计算机科学系，浙江杭州 310023
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-436x.2017276
  CLC： TN925
- Online First：2017-11，
  
  Published：25 November 2017
- 稿件说明：
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Xian-zhong TIAN, Min GUO, Jia-cun HE, et al. Multi relay node selection strategy for energy capture collaborative relay network[J]. Journal on Communications, 2017, 38(Z2): 1-7.
DOI：

Xian-zhong TIAN, Min GUO, Jia-cun HE, et al. Multi relay node selection strategy for energy capture collaborative relay network[J]. Journal on Communications, 2017, 38(Z2): 1-7. DOI： 10.11959/j.issn.1000-436x.2017276.

摘要

研究了一种能量捕获协作中继网络，与传统协作中继网络不同，中继节点一般没有固定的能量供应但可以进行能量捕获。对于这种网络，一个自然的问题就是如何决定中继点是该进行能量捕获还是数据转发，以及如何选择中继节点以协助信息在源节点与目的节点间的传输。基于这个问题，提出一种多中继节点选择方案，该方案根据中继节点当前时隙的能量来选择其操作。在每个时隙中，满足电池阈值要求的中继节点会被选择进行协助传输。利用马尔可夫链对中继节点电池的充放电过程来进行建模化，得出该无线网络达到稳定状态时的中断概率以及吞吐率表达式，并对使吞吐率最大，即网络中断概率最小时的电池阈值的取值进行求解。最后，通过数值实验验证方案的优点。

Abstract

An energy capture cooperative relay network was studied.Unlike traditional cooperative relay networks

the relay nodes generally did not have a fixed energy supply but could carry out energy capture.For this network

a natural question was how to determine whether the relay nodes perform energy capture or data forwarding

and how to select the relay node to assist the information transmission between the source node and the destination node.Based on this problem

a multi-relay node selection scheme was proposed

which select the operation according to the energy of the current time slot of the relay node.In each time slot

the relay node that meet the battery threshold requirements was selected to assist in transmission.The Markov chain was used to model the charging and discharging process of the relay node battery

and the probability of interruption and throughput of the wireless network was obtained.And the value of the battery threshold when the throughput was maximized

that is

when the probability of network breakage was minimum was solved.Finally

the advantages of this scheme were verified by numerical experiments.

关键词

Keywords

references

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