Evaluation of Antenna Dependent Wireless Communication Based on LoRa For Clear Line of Sight (CLOS) And Non-Clear Line of Sight (NC-CLOS) Applications (original) (raw)

Journal of Physics: Conference Series, 2021

Abstract

The emerging field of the internet of things (IoT) requires a low-power-low-range solution in remote and inaccessible places where connectivity in any form is not possible. There are many IoT devices like Zigbee, LoRa WAN, Sigfox, which operate within 5m to 5kms, with a change in bandwidth and power consumption. The difficulties in installing these types of IoT devices are critical because of connectivity issues and external hindrances like a non-clear line of sight (NC-LOS), frequency, bandwidth, time on Air (ToA), and power availability. The long-range (LoRa) is a portable, low-power wireless communication device that works on the principle of chirp spread spectrum (CSS) modulation. Its performance concerning frequency, power consumption, ToA, clear line of sight (CLOS), and NC-LOS depends on the type of antenna used for unknown distances. Therefore, in this paper, the 868MHz frequency is used to communicate between LoRa - end-transmitter node to LoRa-end receiver node with a fixe...

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