通过下行与上行解耦接入实现低时延双向通信
信息论
2018-03-07 v1 网络与互联网体系结构
math.IT
摘要
在许多场景中,低时延无线通信假定为双向连接,使得接收到信息的节点能够迅速发送确认或其他响应。本文研究低时延双向通信问题,并通过提出一种基站(BS)协作方案加以解决。该方案基于下行(DL)与上行(UL)解耦接入(DUDA)。据我们所知,这是首次将解耦接入的思想用于降低时延。我们推导了平均时延的解析表达式,并基于随机几何分析通过中断概率验证了该时延表达式的有效性。解析与仿真结果均表明,采用 DUDA 相比传统耦合接入可将时延降低约 30–60%。
引用
@article{arxiv.1803.02243,
title = {Achieving Low Latency Two-Way Communication by Downlink and Uplink Decoupled Access},
author = {Dong Min Kim and Nuno K. Pratas and Petar Popovski},
journal= {arXiv preprint arXiv:1803.02243},
year = {2018}
}
备注
This paper has been submitted to SPAWC 2018. We have added more descriptions and figure that we could not include due to page limitation