Power control and channel access for physical-layer security of D2D underlay communication

Yijie Luo, Li Cui, Yang Yang, Bin Gao
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引用次数: 18

Abstract

Device-to-device (D2D) communication is a promising technology for 5G wireless communication system. Since D2D communication usually reuses the resource of cellular users, interference management and resource allocation of D2D are the mainly research directions in D2D communication underlay cellular networks. The physical-layer security problem of D2D link is rarely under studied. In this paper, we develop the Stackelberg game frame to model D2D underlay communication in cellular networks. We analyze the equilibrium solution and optimize the power control and channel access of D2D link to maximize the achievable rate of cellular users and the physical-layer secrecy rate of D2D link. We propose a power control and channel access algorithm of D2D link then. Finally, we perform numerical simulations to study the performance of the proposed algorithm.
D2D底层通信物理层安全的功率控制和信道访问
设备到设备(D2D)通信是5G无线通信系统的一项有前途的技术。由于D2D通信通常重用蜂窝用户的资源,因此D2D的干扰管理和资源分配是蜂窝网络下D2D通信的主要研究方向。D2D链路的物理层安全问题很少被研究。在本文中,我们开发了Stackelberg游戏框架来模拟蜂窝网络中的D2D底层通信。分析了D2D链路的均衡解,优化了D2D链路的功率控制和信道接入,以最大限度地提高蜂窝用户的可达速率和D2D链路的物理层保密率。然后提出了一种D2D链路的功率控制和信道接入算法。最后,我们进行了数值模拟来研究该算法的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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