认知无线电网络中四维资源协作的研究现状与未来方向

谢显中; 罗莹; 严可; 陈九九

doi:10.11959/j.issn.1000-436x.2018033

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认知无线电网络中四维资源协作的研究现状与未来方向

综述 | 更新时间：2024-06-05

- 认知无线电网络中四维资源协作的研究现状与未来方向
- Recent advances and future challenges of four key resources cooperation in cognitive radio network
- 通信学报 2018年39卷第2期页码：149-163
- 作者机构：
  
  重庆邮电大学个人通信研究所，重庆 400065
- 作者简介：
  
  [ "谢显中（1966-），男，四川通江人，博士，重庆邮电大学教授、博士生导师，主要研究方向为干扰对齐、认知无线电、协作通信技术等。" ]
  [ "罗莹（1994-），女，重庆人，重庆邮电大学硕士生，主要研究方向为认知无线电、能量收集与协作技术。" ]
  [ "严可（1995-），女，重庆人，重庆邮电大学硕士生，主要研究方向为认知无线电、信息与能量同传技术。" ]
  [ "陈九九（1994-），男，湖南岳阳人，重庆邮电大学硕士生，主要研究方向为信息与能量同传技术、全双工无线通信系统。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61271259);国家自然科学基金资助项目(61471076);国家自然科学基金资助项目(61601070);重庆市教委科学技术研究基金资助项目(KJ1600411);重庆市基础与前沿研究计划基金资助项目(CSTC2016jcyjA0455);长江学者和创新团队发展计划基金资助项目(IRT1299);重庆市教委重点实验室专项经费基金资助项目(JK12010000062)
- DOI：10.11959/j.issn.1000-436x.2018033
  中图分类号： TN929.53
- 网络出版日期：2018-02，
  
  纸质出版日期：2018-02-25
- 稿件说明：
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谢显中, 罗莹, 严可, 等. 认知无线电网络中四维资源协作的研究现状与未来方向[J]. 通信学报, 2018,39(2):149-163.

Xianzhong XIE, Ying LUO, Ke YAN, et al. Recent advances and future challenges of four key resources cooperation in cognitive radio network[J]. Journal on communications, 2018, 39(2): 149-163.
谢显中, 罗莹, 严可, 等. 认知无线电网络中四维资源协作的研究现状与未来方向[J]. 通信学报, 2018,39(2):149-163. DOI： 10.11959/j.issn.1000-436x.2018033.

Xianzhong XIE, Ying LUO, Ke YAN, et al. Recent advances and future challenges of four key resources cooperation in cognitive radio network[J]. Journal on communications, 2018, 39(2): 149-163. DOI： 10.11959/j.issn.1000-436x.2018033.

摘要

在认知无线电网络（CRN）中，主次用户之间可以有效地实现频谱共享（频谱协作），提高频谱利用率；主次用户之间共享频谱会导致相互干扰，从 RF 干扰信号中收集能量，可以变害（干扰）为利（绿色能源）；RF能量收集受多种因素影响随机变化而不稳定，通过主次用户之间能量传输（能量协作），可以进一步改进能量的利用效率；次用户帮助主用户协作中继传输数据（信息协作），这既改善了主用户传输性能，也为自己获得了更多的传输机会。系统总结和分析认知无线电网络中多维资源（频谱、能量、干扰、中继）的协作利用问题，主要包括四维资源协作模型与总体研究情况，CRN中能量收集与协作中继，CRN中能量协作和能量收集，CRN中同时能量协作、能量收集和协作中继及研究挑战与未来方向等，对新一代移动通信系统具有重要意义。

Abstract

Cognitive radio (CR) can improve spectrum utilization by spectrum sharing or cooperation between the primary user and secondary users.It is well known that energy

interference and relay are also three key resources in cognitive radio network (CRN).Energy cooperation or sharing between the primary user and secondary user will further promote energy efficiency.Energy harvesting from RF interference signal can turn bane (interference) into a boon (green energy).Secondary user relay data of the primary user can enhance QoS of the primary user

also get some opportunities for their own transmission.Thus

four resources cooperation (spectrum

energy

interference

relay) in CRN will improve simultaneously both spectrum efficiency and energy efficiency

and also increase throughput and QoS.The overviews for collaborative utilization problems of four key resources in CRN was given.Firstly

collaboration models of four key resources were analyzed.Then

recent research advances were summarized

including three kinds of resources collaborative utilization (both energy harvesting and relay transmission

both energy cooperation and energy harvesting) and four resources collaborative utilization (simultaneous relay transmission

energy harvesting and energy cooperation) in CRN.Further

some potential challenges of four key resources cooperation in CRN were discussed.Finally

some key future research directions was concluded.

关键词

Keywords

references

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