基于终端电池状态信息的SWIPT公平传输策略

胡志蕊

doi:10.11959/j.issn.1000-436x.2020089

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基于终端电池状态信息的SWIPT公平传输策略

学术论文 | 更新时间：2024-06-05

- 基于终端电池状态信息的SWIPT公平传输策略
- Terminal battery status information based fairness-aware SWIPT strategy
- 通信学报 2020年41卷第5期页码：112-119
- 作者机构：
  
  杭州电子科技大学通信工程学院，浙江杭州 310018
- 作者简介：
  
  [ "胡志蕊（1987- ），女，山东德州人，博士，杭州电子科技大学讲师，主要研究方向为协作通信、资源分配、信能同传技术" ]
- 基金信息：
  
  浙江省自然科学基金资助项目(LQ18F010005);浙江省自然科学基金资助项目(LY20F010009);浙江省教育厅科研基金资助项目(Y201738005)
- DOI：10.11959/j.issn.1000-436x.2020089
  中图分类号： TN929.5
- 网络出版日期：2020-05，
  
  纸质出版日期：2020-05-25
- 稿件说明：
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胡志蕊. 基于终端电池状态信息的SWIPT公平传输策略[J]. 通信学报, 2020,41(5):112-119.

Zhirui HU. Terminal battery status information based fairness-aware SWIPT strategy[J]. Journal on communications, 2020, 41(5): 112-119.
胡志蕊. 基于终端电池状态信息的SWIPT公平传输策略[J]. 通信学报, 2020,41(5):112-119. DOI： 10.11959/j.issn.1000-436x.2020089.

Zhirui HU. Terminal battery status information based fairness-aware SWIPT strategy[J]. Journal on communications, 2020, 41(5): 112-119. DOI： 10.11959/j.issn.1000-436x.2020089.

摘要

针对终端电量耗尽的问题，提出将终端电池状态信息考虑到 SWIPT 传输策略中，并提供了一种速率公平传输策略。所提方案利用终端电池状态信息限制终端可容忍的最大速率及能量，以最大化最小用户速率为优化目标，以速率/能量需求以及终端可容忍的最大速率/能量为限制条件，优化发送功率与功率分流因子。为了求解该优化问题，首先根据电池电量对终端进行分类，然后利用提出的基于交替优化的算法进行求解。所提方案通过合理分配发送功率与功率分流因子，控制较低电量用户的接收速率，以避免其所需能量消耗超过电池电量。仿真结果表明，所提方案延长了用户电池寿命且避免了电池电量的耗尽，其用户速率公平性随着用户间电池电量差距的减小而提升。

Abstract

To solve the battery depletion problem

the terminals’ battery status information (BSI) was proposed to be taken into consideration in simultaneous wireless information and power transfer (SWIPT) strategies

and a SWIPT strategy to guarantee the rate fairness was provided.BSI determined the terminals’ sufferable received rate and harvested energy.The proposed scheme was formulated as an optimization problem to max-min user rate

with rate/energy requirement constraints and the sufferable rate/energy constraints.To solve optimization problem

the receivers were firstly classified with their battery level

then the optimal solutions were obtained by the proposed iteration optimization-based algorithm.With the proposed scheme

the transmit power and the power splitting factor would be controlled and the data rate at receivers

especially the receivers that with lower battery level would be restricted

avoiding the required battery consumption to exceed battery level.Simulation results reveal that the proposed scheme can prolong battery lifetime and avoid the battery depletion problem

and its fairness performance is strengthened with the difference decreasing among the receivers’ battery level.

关键词

Keywords

references

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崔苗 , 喻鑫 , 李学易 , 等 . 多载波无线携能通信的上下行链路联合资源分配 [J ] . 通信学报 , 2019 , 40 ( 3 ): 206 - 214 .

CUI M , YU X , LI X Y , et al . Joint downlink and uplink resource allocation for multi-carrier SWIPT system [J ] . Journal on Communications , 2019 , 40 ( 3 ): 206 - 214 .

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HU Z R , ZHANG T K , LOO J . Power allocation for coordinated multi-cell systems with imperfect channel and battery-capacity-limited receivers [J ] . IEEE Communications Letters , 2017 , 21 ( 12 ): 2746 - 2749 .

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