Communication between nodes in backscatter-assisted wireless powered communication network

Jie TAO; Haijiang GE; Minyuan WU; Qike SHAO; Kaikai CHI

doi:10.11959/j.issn.1000-0801.2021120

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Communication between nodes in backscatter-assisted wireless powered communication network

Research and Development | 更新时间：2024-06-05

- Communication between nodes in backscatter-assisted wireless powered communication network
- Telecommunications Science Vol. 37, Issue 6, Pages: 115-124(2021)
- 作者机构：
  
  1. 浙江省机电设计研究院有限公司，浙江杭州 310051
  2. 杭州职业技术学院信息工程学院，浙江杭州 310018
  3. 浙江工业大学计算机科学与技术学院，浙江杭州 310023
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2021120
  CLC： TP393
- Published Online：2021-06，
  
  Published：20 June 2021
- 稿件说明：
移动端阅览
Jie TAO, Haijiang GE, Minyuan WU, et al. Communication between nodes in backscatter-assisted wireless powered communication network[J]. Telecommunications science, 2021, 37(6): 115-124.
DOI：

Jie TAO, Haijiang GE, Minyuan WU, et al. Communication between nodes in backscatter-assisted wireless powered communication network[J]. Telecommunications science, 2021, 37(6): 115-124. DOI： 10.11959/j.issn.1000-0801.2021120.

摘要

目前几乎没有无线供能通信网络节点间的信息传输方案设计，研究了反向散射辅助无线供能通信网络节点间的高传输速率信息传输，节点有储能容量且可工作于反向散射通信和主动通信。提出了由节点反向散射/能量传输阶段和节点主动通信阶段构成的方案，并将总传输速率最大化建模为凸优化问题。然后基于反向散射总时长与节点能量捕获时长阈值的关系，将该问题分解为多个仅需优化两个反向散射时长的子问题，并设计高效的两层黄金分割搜索算法求解子问题，从子问题最优解得到原问题最优解。仿真结果表明，与纯主动通信方案和纯反向散射通信方案相比，所提出的方案能有效地提高传输速率。

Abstract

At present

there is almost no design on information transmission between the nodes in wireless powered communication network.The high-throughput information transmission between the nodes in backscatter assisted wireless powered communication network was studied.A scheme was proposed which consisted of backscattering/energy transmission phase and active communication phase.The maximum throughput was modeled as a convex optimization problem.Then

based on the relationship between the total backscatter communication duration and the threshold of node energy capture duration

the problem was decomposed into several sub problems that only need to optimize two backscatter durations.An efficient two-level golden section search algorithm was designed to solve the sub problems

and the optimal solution of the original problem was obtained from the optimal solutions of the sub problems.Simulation results show that

compared with pure active communication scheme and pure backscatter communication scheme

the proposed scheme can effectively improve the throughput.

关键词

Keywords

references

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