作者
Jie Gao, Weihua Zhuang, Mushu Li, Xuemin Shen, Xu Li
发表日期
2021/1/12
期刊
IEEE Internet of Things Journal
卷号
8
期号
12
页码范围
9945-9957
出版商
IEEE
简介
In this two-part paper, we propose a novel medium access control (MAC) protocol for machine-type communications in the Industrial Internet of Things. The considered use case features a limited geographical area and a massive number of devices with sporadic data traffic and different priority types. We target supporting the devices while satisfying their Quality-of-Service (QoS) requirements with a single access point and a single channel, which necessitates a customized design that can significantly improve the MAC performance. In Part I of this paper, we present the MAC protocol that comprises a new slot structure, corresponding channel access procedure, and mechanisms for supporting high device density and providing differentiated QoS. A key idea behind this protocol is sensing-based distributed coordination for significantly improving channel utilization. To characterize the proposed protocol, we analyze …
引用总数
202020212022202320241710118
学术搜索中的文章