| 优化型自适应频谱感知调度算法 |
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| 引用本文： | 刘全,高俊,刘思洋,关建新.优化型自适应频谱感知调度算法[J].华中科技大学学报(自然科学版),2011,39(11):24-28. |
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| 作者姓名： | 刘全 高俊 刘思洋 关建新 |
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| 作者单位： | 1. 海军工程大学通信工程系,湖北武汉430033／总参第六十一研究所,北京100141
2. 海军工程大学通信工程系,湖北武汉,430033 |
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| 基金项目： | 国家高技术研究发展计划资助项目(2009AAJ208,2009AAJ116) |
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| 摘 要： | 针对传统的周期性频谱感知机制对空闲频谱机会的有效利用率不高,且与主用户碰撞概率较大等问题,在多用户协作感知场景下,提出了一种优化型自适应感知调度（OASS）算法.利用部分可观测马尔可夫决策过程理论,将自适应感知调度建模为决策优化控制问题,当每个时隙开始时,从频谱感知、数据传输、休眠等待、信道切换4种可选策略中选择最优策...
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| 关 键 词： | 认知无线电 频谱感知 感知机制 感知调度 部分可观测马尔可夫决策过程 |
Optimized adaptive spectrum sensing schedule algorithm |
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| Liu Quan, Gao Jun Liu Siyang Guan Jianxin.Optimized adaptive spectrum sensing schedule algorithm[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2011,39(11):24-28. |
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| Authors: | Liu Quan Gao Jun Liu Siyang Guan Jianxin |
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| Institution: | Liu Quan1,2 Gao Jun1 Liu Siyang1 Guan Jianxin1(Department of Communication Engineering,Naval University of Engineering,Wuhan 430033,China,2 61st Research Institute,General Staff,Beijing 100141,China) |
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| Abstract: | The traditional mechanism of periodic spectrum sensing the effective utilization of idle spectrum opportunity is not high,and it has Greater probability of collision with the main users.An optimized adaptive sensing scheduling(OASS) algorithm under the multi-user-cooperation circumstance was proposed.On the basis of the partially observable Markov decision process(POMDP),the adaptive sensing schedule was modeled as a control problem of policy optimization by the algorithm.At the beginning of each slot,an op... |
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| Keywords: | cognitive radio spectrum sensing sensing mechanisms sensing scheduling partially observable Markov decision process |
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