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Location Verification Systems in Emerging Wireless Networks 被引量:5
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作者 Shihao Yan Robert Malaney 《ZTE Communications》 2013年第3期3-10,共8页
As location-based techniques and applications have become ubiquitous in emerging wireless networks, the verification of location information has become more important. In recent years, there has been an explosion of a... As location-based techniques and applications have become ubiquitous in emerging wireless networks, the verification of location information has become more important. In recent years, there has been an explosion of activity related to lo- cation-verification techniques in wireless networks. In particular, there has been a specific focus on intelligent transport systems because of the mission-critical nature of vehicle location verification. In this paper, we review recent research on wireless location verification related to vehicular networks. We focus on location verification systems that rely on for- mal mathematical classification frameworks and show how many systems are either partially or fully encompassed by such frameworks. 展开更多
关键词 location verification wireless networks likelihood ratio test decision rule
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利用传感器判决门限联合优化的串行检测融合算法
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作者 相明 张亚明 葛新雷 《西安交通大学学报》 EI CAS CSCD 北大核心 2008年第10期1209-1212,1234,共5页
针对传感器观测相关的条件下最优分布式检测融合算法较为复杂这一问题,提出了一种基于似然比判决规则的系统性能优化方法.该方法的基本思想是,限定各部传感器采用似然比判决规则,并在此约束条件下,联合优化各部传感器的判决门限,以使系... 针对传感器观测相关的条件下最优分布式检测融合算法较为复杂这一问题,提出了一种基于似然比判决规则的系统性能优化方法.该方法的基本思想是,限定各部传感器采用似然比判决规则,并在此约束条件下,联合优化各部传感器的判决门限,以使系统检测性能达到最优.对于由N部传感器组成的分布式串行检测融合系统,在Bayes准则下推导了各部传感器判决门限联合最优化的必要条件,得到了最优传感器判决门限满足的系统方程,并在此基础上给出了求解最优传感器判决门限的数值迭代算法.由于将传感器判决规则的联合优化问题简化为了判决门限的联合优化问题,因此该算法计算量较小,收敛性较好,更加便于工程应用. 展开更多
关键词 分布式串行检测系统 检测融合 似然比判决规则
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