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arXiv · 1709.00999

NarrowBand IoT Data Transmission Procedures for Massive Machine Type Communications

Pilar Andres-Maldonado·Pablo Ameigeiras·Jonathan Prados-Garzon·Jorge Navarro-Ortiz·Juan M. Lopez-Soler
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Abstract

Large-scale deployments of massive Machine Type Communications (mMTC) involve several challenges on cellular networks. To address the challenges of mMTC, or more generally, Internet of Things (IoT), the 3rd Generation Partnership Project has developed NarrowBand IoT (NB-IoT) as part of Release 13. NB-IoT is designed to provide better indoor coverage, support of a massive number of low-throughput devices, with relaxed delay requirements, and lower-energy consumption. NB-IoT reuses Long Term Evolution functionality with simplifications and optimizations. Particularly for small data transmissions, NB-IoT specifies two procedures to reduce the required signaling: one of them based on the Control Plane (CP), and the other on the User Plane (UP). In this work, we provide an overview of these procedures as well as an evaluation of their performance. The results of the energy consumption show both optimizations achieve a battery lifetime extension of more than 2 years for a large range in the considered cases, and up to 8 years for CP with good coverage. In terms of cell capacity relative to SR, CP achieves gains from 26% to 224%, and UP ranges from 36% to 165%. The comparison of CP and UP optimizations yields similar results, except for some specific configurations.

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Pilar Andres-Maldonado, Pablo Ameigeiras, Jonathan Prados-Garzon, Jorge Navarro-Ortiz, Juan M. Lopez-Soler. 2017-09-04. NarrowBand IoT Data Transmission Procedures for Massive Machine Type Communications. https://doi.org/10.1109/mnet.2017.1700081

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