Cooperative spectrum sensing scheduling scheme based on discrete particle swarm optimization algorithm

Xing ZHANG; Ye WANG; Yi YANG; Qin-yu ZHANG

doi:10.11959/j.issn.1000-436x.2017046

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Cooperative spectrum sensing scheduling scheme based on discrete particle swarm optimization algorithm

Correspondences | 更新时间：2024-06-05

- Cooperative spectrum sensing scheduling scheme based on discrete particle swarm optimization algorithm
- Journal on Communications Vol. 38, Issue 7, Pages: 175-185(2017)
- 作者机构：
  
  哈尔滨工业大学（深圳）电子与信息工程学院，广东深圳 518055
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61501140)
- DOI：10.11959/j.issn.1000-436x.2017046
  CLC： TN925
- Online First：2017-07，
  
  Published：25 July 2017
- 稿件说明：
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Xing ZHANG, Ye WANG, Yi YANG, et al. Cooperative spectrum sensing scheduling scheme based on discrete particle swarm optimization algorithm[J]. Journal on Communications, 2017, 38(7): 175-185.
DOI：

Xing ZHANG, Ye WANG, Yi YANG, et al. Cooperative spectrum sensing scheduling scheme based on discrete particle swarm optimization algorithm[J]. Journal on Communications, 2017, 38(7): 175-185. DOI： 10.11959/j.issn.1000-436x.2017046.

摘要

采用CTMC模型分析了网络状态的统计特性，考虑各个次用户感知能力的差异性，分别从主用户和次用户的角度出发，建立了2个关于次用户调度方案的整数规划问题。提出了通过离散粒子群优化算法求解所建问题，并与传统的随机调度方案和基于信噪比的贪婪调度方案进行了比较。仿真结果表明，所提调度方案获得的感知性能更高。

Abstract

The statistical characteristics of the network state changes were analyzed by using the CTMC model.Considering the difference of each secondary user’s sensing ability

two integer programming problems on cooperative sensing scheduling scheme were established from two aspects:the primary users and the secondary users respectively.A discrete particle swarm optimization algorithm was proposed to solve the integer programming problems

and compared with the traditional random scheduling scheme and greedy scheduling scheme based on SNR.The simulation results show that the cooperative sensing scheduling scheme based on discrete particle swarm optimization algorithm is superior to random scheduling scheme and greedy scheduling scheme based on the SNR

which gets a higher spectrum sensing accuracy.

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references

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