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Cognitive D2D communication method
Authors
于海斌
宋纯贺
+3 more
曾鹏
王照伟
许驰
Publication date
17 May 2019
Publisher
Abstract
本发明涉及一种安全高能效的认知D2D通信方法,小蜂窝基站和认知用户分别进行信道质量评估;建立关于无线充电功率和无线充电时间的联合资源分配模型;采用迭代优化算法计算最优资源分配结果;以最优无线充电功率发射射频信号;认知用户在最优无线充电时间内收集射频信号能量;小蜂窝基站以最优无线充电功率干扰窃听者,认知用户设置自身的最大可行发射功率,并进行认知D2D通信。本发明面向超密集小蜂窝网络,在利用认知无线电技术实现频谱共享,并采用能量收集技术为认知用户进行无线充电的同时,通过人工噪声对窃听者进行干扰,可以实现安全高能效的认知D2D通信,有效提高频谱效率、能量效率以及物理层安全
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 07/08/2019