CAJ | 학술논문

D2D（Device-to-Device）通信作为蜂窝网中的一种新型的通信方式，因其在提高传输速率和改善能效性能等方面的无可比拟的优势，受到人们越来越多的关注。但是，D2D通信技术在带来令人无法抗拒的优势的同时，亦会产生棘手的干扰问题。鉴于此，本文从降低干扰的不利影响、提高网络能效性的角度出发，综合蜂窝用户共享资源的主观性和客观性因素，探讨了无线资源共享机制的设计问题，即联合模式选择和链路资源分配。首先，分析了D2 D通信中的两种通信模式下用户的能量有效性。其次，将能量有效的无线资源共享问题建模为效用不可转移联盟形成博弈，分析了博弈性质，并基于合并-拆分准则和帕累托偏好关系提出一种分布式算法，依此确定无线资源共享策略。最后给出并分析了数值仿真结果，以验证所提机制的可行性。
D2D（Device-to-Device）통신작위봉와망중적일충신형적통신방식，인기재제고전수속솔화개선능효성능등방면적무가비의적우세，수도인문월래월다적관주。단시，D2D통신기술재대래령인무법항거적우세적동시，역회산생극수적간우문제。감우차，본문종강저간우적불리영향、제고망락능효성적각도출발，종합봉와용호공향자원적주관성화객관성인소，탐토료무선자원공향궤제적설계문제，즉연합모식선택화련로자원분배。수선，분석료D2 D통신중적량충통신모식하용호적능량유효성。기차，장능량유효적무선자원공향문제건모위효용불가전이련맹형성박혁，분석료박혁성질，병기우합병-탁분준칙화파루탁편호관계제출일충분포식산법，의차학정무선자원공향책략。최후급출병분석료수치방진결과，이험증소제궤제적가행성。
Device-to-Device (D2D)communications gain more and more attention,which can improve the transmit rate and enhance the energy efficiency of the users.However,D2D communications result in new problems and challenges,since the link resource of cellular users is reused and intracell interference can no longer be neglected.In this work,we study the resource sharing scheme about joint mode selection and uplink reusing allocation combining the positive and negative resource sharing willing of the cellular users,from the perspective of reducing the harmful influence of the interference between the cellular users and D2D pairs and enhancing the energy efficiency of the network.More precisely,we analyze the energy effi-ciency of the users of two modes in D2D communications.Then,we formulate the energy-efficient resource sharing problem as a nontransferable coalition formation game,with the characteristic function of that accounts for the gains in terms of energy ef-ficiency and the costs in terms of mutual interference.Moreover,we develop a distributed coalition formation algorithm based on the merge-and-split rules and the Pareto order,which is used to get the strategy of the uplink resource sharing.Extensive simulation results are provided to demonstrate the validity of our proposed game and model and algorithm.