Authors: Rashmi Sharan Sinha, Yiqiao Wei, Seung-Hoon Hwang

 
Journal Title: ICT Express
 
ISSN: 2405-9595 (Online)
 
Publisher: Elsevier
 
Society/Institution: The Korean Institute of Communications Information Sciences
 
Abstract
 
By 2020, more than twenty five billion devices would be connected through wireless communications. In accordance with the rapid growth of the internet of things (IoT) market, low power wide area (LPWA) technologies have become popular. In various LPWA technologies, narrowband (NB)-IoT and long range (LoRa) are two leading technologies. In this paper, we provide a comprehensive survey on NB-IoT and LoRa as efficient solutions connecting the devices. It is shown that unlicensed LoRa has advantages in terms of battery lifetime, capacity, and cost. Meanwhile, licensed NB-IoT offers benefits in terms of QoS, latency, reliability, and range.
 
Article published Under a Creative Commons license

Illustration Photo: To test the functionality of the IBM Long Range Signaling and Control (LRSC) software as well as the range of the Semtech LoRa radio, IBM scientists in Zurich developed a weather balloon payload capsule containing several sensors. The sensors recorded temperature, humidity and acceleration in addition to GPS data to an altitude of 35 km where the balloon burst. Location and temperature information was continuously transmitted via the IBM LRSC online service during the whole flight. (credits: IBM Research / Flickr Attribution-NoDerivs 2.0 Generic (CC BY-ND 2.0))

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