计算机科学 ›› 2022, Vol. 49 ›› Issue (7): 280-286.doi: 10.11896/jsjkx.210400067

• 计算机网络 • 上一篇    下一篇

一种面向全双工多中继协作SWIPT网络的功率消耗方案

单永峰1,2, 蒋锐1,2, 徐友云2 , 李大鹏1,2   

  1. 1 南京邮电大学通信与信息工程学院 南京210003
    2 南京邮电大学通信与网络技术国家工程研究中心 南京210003
  • 收稿日期:2021-04-07 修回日期:2021-09-04 出版日期:2022-07-15 发布日期:2022-07-12
  • 通讯作者: 蒋锐(j_ray@njupt.edu.cn)
  • 作者简介:(1219012415@njupt.edu.cn)
  • 基金资助:
    国家重点研发计划(2016YFE0200200);国家自然科学基金(61801240);南京邮电大学研究项目(NY220008);南京市栖霞区项目电能与数据无线同传及其装置

Power Consumption Scheme Oriented to Full-duplex Multi-relay Cooperative SWIPT Networks

SHAN Yong-feng1,2, JIANG Rui1,2, XU You-yun2, LI Da-peng1,2   

  1. 1 College of Telecommunications and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
    2 National Engineering Research Center for Communication and Network Technology,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
  • Received:2021-04-07 Revised:2021-09-04 Online:2022-07-15 Published:2022-07-12
  • About author:SHAN Yong-feng,born in 1996,postgraduate.His main research interest is simultaneous wireless information and power transfer.
    JIANG Rui,born in 1985,Ph.D,asso-ciate professor.His main research inte-rests include simultaneous wireless information and power transfer and wireless communications.
  • Supported by:
    National Key Research and Development Program (2016YFE0200200),National Natural Science Foundation of China(61801240),Research Project of Nanjing University of Posts and Telecommunications(NY220008) and Simultaneous Wireless Information and Power Transfer Technology and Device for the Project in Qixia District,Nanjing.

摘要: 在全双工多中继协作无线携能通信网络中,传统的中继选择算法未考虑到未被选择中继的闲置利用问题,导致中继数量增加时网络的性能浪费愈加严重,如何开发未被选择中继的剩余潜能成为提升网络性能的关键。对此,设计了一种新的HTT(Harvest then Transmit)功率消耗方案,在中继配备电池的情形下,通过充分利用中继处的能量收集模块增加了被选择中继处的发射功率,从而进一步提升了系统容量。此外,针对提出的新的HTT功率消耗方案,考虑了BIKT(Battery Information Known at Transmitter)和BIUT(Battery Information Unknown at Transmitter)两种应用场景。仿真实验的结果表明,3种中继选择算法,即单中继选择算法、贪婪中继选择算法和穷竭搜索算法,在采用提出的新的HTT功率消耗方案后,无论是应用于BIKT场景还是BIUT场景均能有效提升系统容量并降低中断概率。

关键词: SWIPT, 功率分割, 全双工, 中继协作, 中继选择

Abstract: In full-duplex multi-relay cooperative simultaneous wireless information and power transfer (SWIPT) networks,traditional relay selection algorithms have not taken into account the idle utilization of unselected relays.As a result,the performance waste of the network becomes more serious as the number of relays increases.How to exploit the remaining potential of unselec-ted relays becomes the key to improve network performance.For this,a new HTT (Harvest then Transmit) power consumption scheme is proposed,which increases the transmit power of the selected relay by making full use of the energy harvesting module at the relay,thereby further improving the system capacity.In addition,for the proposed HTT power consumption scheme,two practical scenarios,BIKT (Battery Information Known at Transmitter) and BIUT (Battery Information Unknown at Transmitter) are considered.The result of simulation experiments show that three relay selection algorithms,namely single relay selection,greedy relay selection and exhaustion search,can effectively benefit from the proposed HTT power consumption scheme in terms of system capacity and outage probability whether applied to BIKT scenarios or BIUT scenarios.

Key words: Full-duplex, Power splitting, Relay cooperation, Relay selection, Simultaneous wireless information and power transfer

中图分类号: 

  • TN915
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