摘要
Device-to-Device(D2D)是一种在LTE-A系统中通过重用小区内宏蜂窝用户的资源来实现端到端通信的新型技术。本文从实际应用的角度出发,首先对D2D技术的原理和应用进行了分析,然后讨论D2D技术应用于LTE-A系统中的优缺点,接着通过仿真验证了D2D技术在LTE-A系统中的优势。最后阐述了D2D技术在LTE-A系统中应用可研究的方向及技术展望。
Device-to-Device(D2D) communication in LTE-A system is a novel technology that can achieve the purpose of point-to-point communication through the reuse of macro users' resources.From the actual use point of view,the principle and some applications of D2D communication is analyzed first in this paper.The pros and cons of D2D communication in LTE-A are also discussed.After that,the advantages of D2D communication in LTE-A system are verified through simulation.Finally,this paper proposes some issues about the applications of D2D communication in LTE-A and the future prospects of D2D in cellular systems.
引文
[1]3GPP TR36.913 v8.0.0.Requirements for further advancements for E-UTRA.2008.
[2]K.Doppler,M.Rinne,P.J(a|¨)nis,C.Ribeiro,and K.Hugl.Device-to-Device Communications:Functional Prospects for LTE-Advanced Networks.IEEE ICC,Dresden,Germany,Jun.2009.