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认知无线电网络中合作频谱感知参数优化
  • ISSN号：1007-5321
  • 期刊名称：《北京邮电大学学报》
  • 时间：0
  • 分类：TN912[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]泛网无线通信教育部重点实验室(北京邮电大学),北京100876, [2]北京邮电大学无线新技术研究所,北京100876
  • 相关基金：国家重点基础研究发展计划项目（2009CB320400）; 国家高技术研究发展计划项目（2009AA011802）; 国家科技重大专项项目（2009ZX03007-004）; 国家自然科学基金项目（60632030 60832009）
作者： 宋敬群[1,2], 薛剑韬[1,2], 冯志勇[1,2], 张平[1,2], 刘泽民[1]
关键词： 认知无线电, 合作频谱感知, 感知效率, 感知参数, cognitive radio, cooperative spectrum sensing, sensing efficiency, sensing parameters
中文摘要：

为提高频谱感知的效率,提出了一种在资源受限的认知无线电网络中合作频谱感知参数优化算法,在保证对授权用户的干扰不超过指定门限时,对信道利用效率与系统资源利用效率进行选择性加权,使认知无线电网络的感知效率最大化.针对不同使用特征的授权信道,该算法均可求解出相应的最优感知参数组合.仿真结果表明,在避免干扰授权用户的前提下,最优感知参数组合系统能最大化感知效率.

英文摘要：

To improve the efficiency of spectrum sensing and to maximize the system sensing efficiency with meeting interference avoidance constraint,a parameters optimization algorithm for cooperative spectrum sensing in resource-limited cognitive radio networks is proposed.By operating the optional weights between the channel utilization efficiency and system resources usage efficiency,the proposed algorithm can figure out the optimal sensing parameters for each licensed channel with the unique usage characteristic.Simulation shows that using the optimal sensing parameters can maximize the sensing efficiency and satisfy the interference avoidance requirement for protecting the primary users.

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期刊信息
  • 《北京邮电大学学报》
  • 北大核心期刊（2011版）
  • 主管单位:教育部
  • 主办单位:北京邮电大学
  • 主编：刘杰
  • 地址：北京海淀区西土城路10号195信箱
  • 邮编：100876
  • 邮箱：byxb@bupt.edu.cn
  • 电话：010-62281995 62282742
  • 国际标准刊号：ISSN：1007-5321
  • 国内统一刊号：ISSN：11-3570/TN
  • 邮发代号:2-648
  • 获奖情况:
  • 美国工程信息公司（Ei）数据库收录期刊,1999年全国优秀高等学校自然科学学报及教育部优秀...,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:7684