张刚,胡恒,陈婉

• 1:重庆邮电大学通信与信息工程学院

摘要(Abstract)：

由于车车通信(V2V)在基于终端直通技术(D2D)实现时对可靠性和时延要求更加严格,D2D的无线资源分配需要重新设计,因此,对一种基于竞争的资源池资源分配方式进行讨论和改进。设计了一种在授权频段下的信道检测机制,通过对不同检测窗口的设计与分析,实现了车载终端(V-UE)通过信道检测,尽可能避免在选择资源池资源时发生资源碰撞导致信道质量下降。同时通过对时延要求不同的业务设定不同窗口,实现了对信道资源不同优先级的占用。通过系统级仿真,证明了该机制在提高信道质量的同时,能够实现对不同业务占用信道的时延差异。

关键词(KeyWords)： V2V;资源分配;资源池;信道检测机制;资源碰撞;时延

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 张刚,胡恒,陈婉

DOI: 10.16652/j.issn.1004-373x.2018.07.033

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