Towards Massive Connectivity Support for Scalable mMTC Communications in 5G networks
Carsten Bockelmann, Nuno K. Pratas, Gerhard Wunder, Stephan Saur,, Monica Navarro, David Gregoratti, Guillaume Vivier, Elisabeth de Carvalho,, Yalei Ji, Cedomir Stefanovic, Petar Popovski, Qi Wang, Malte Schellmann,, Evangelos Kosmatos, Panagiotis Demestichas
TL;DR
This paper reviews various physical and medium access techniques to support massive connectivity in 5G mMTC, aiming to improve scalability and reliability for numerous IoT devices.
Contribution
It provides a comprehensive overview and evaluation framework for physical and medium access solutions tailored for massive Machine Type Communications in 5G.
Findings
Different access techniques vary in scalability and reliability
Evaluation framework enables comparison of protocol performance
Insights into suitable solutions for large-scale mMTC deployments
Abstract
The fifth generation of cellular communication systems is foreseen to enable a multitude of new applications and use cases with very different requirements. A new 5G multiservice air interface needs to enhance broadband performance as well as provide new levels of reliability, latency and supported number of users. In this paper we focus on the massive Machine Type Communications (mMTC) service within a multi-service air interface. Specifically, we present an overview of different physical and medium access techniques to address the problem of a massive number of access attempts in mMTC and discuss the protocol performance of these solutions in a common evaluation framework.
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