Massive Machine-Type Communications in 5G: Physical and MAC-Layer Solutions
Massive Machine-Type Communications in 5G: Physical and MAC-Layer Solutions
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DOI：
10.1109/mcom.2016.7565189
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发表时间：
2016-09-01
影响因子：
11.2
通讯作者：
Dekorsy, Armin
中科院分区：
文献类型：
--
作者：
Bockelmann, Carsten;Pratas, Nuno;Dekorsy, Armin
预计MTC将在未来的5G系统中发挥关键作用。在FP7项目METIS中，MTC被进一步划分为MMTC和UMTC。虽然MMTC是关于到数百亿机器类型终端的无线连接，而uMTC是关于可用性、低延迟和高可靠性。MMTC的主要挑战是为发送非常短的分组的大量设备提供可扩展和高效的连接，这在为人类类型通信而设计的蜂窝系统中是不够的。此外，MMTC解决方案需要实现广泛的区域覆盖和深入的室内渗透，同时具有低成本和高能效。在本文中，我们将介绍在METIS内部开发的PHY和MAC层解决方案，以应对这一挑战。
MTC are expected to play an essential role within future 5G systems. In the FP7 project METIS, MTC has been further classified into mMTC and uMTC. While mMTC is about wireless connectivity to tens of billions of machine-type terminals, uMTC is about availability, low latency, and high reliability. The main challenge in mMTC is scalable and efficient connectivity for a massive number of devices sending very short packets, which is not done adequately in cellular systems designed for human-type communications. Furthermore, mMTC solutions need to enable wide area coverage and deep indoor penetration while having low cost and being energy-efficient. In this article, we introduce the PHY and MAC layer solutions developed within METIS to address this challenge.