Preprint Article Version 1 This version is not peer-reviewed

Determinism through Modulation Diversity: Can Combining Multiple IEEE 802.15.4-2015 SUN Modulations Improve Communication Reliability?

Version 1 : Received: 27 February 2020 / Approved: 28 February 2020 / Online: 28 February 2020 (12:08:40 CET)

How to cite: Tuset-Peiró, P.; Adelantado, F.; Vilajosana, X.; Delgado Gomes, R. Determinism through Modulation Diversity: Can Combining Multiple IEEE 802.15.4-2015 SUN Modulations Improve Communication Reliability?. Preprints 2020, 2020020426 (doi: 10.20944/preprints202002.0426.v1). Tuset-Peiró, P.; Adelantado, F.; Vilajosana, X.; Delgado Gomes, R. Determinism through Modulation Diversity: Can Combining Multiple IEEE 802.15.4-2015 SUN Modulations Improve Communication Reliability?. Preprints 2020, 2020020426 (doi: 10.20944/preprints202002.0426.v1).

Abstract

The IEEE 802.15.4-2015 standard includes the SUN (Smart Utility Networks) modulations, i.e., SUN-FSK, SUN-OQPSK and SUN-OFDM, which provide long range communications and allow to trade data rate, occupied bandwidth and reliability. However, given the constraints of low-power devices and the challenges of the wireless channel, communication reliability cannot still meet the PDR (Packet Delivery Ratio) requirements of industrial applications, i.e., PDR>99%. Hence, in this paper we evaluate the benefits of improving communication reliability by combining packet transmissions with modulation diversity using multiple IEEE 802.15.4g SUN modulations. The results derived from a real-world deployment show that going from 1 to 3 packet transmissions with the same SUN modulation can increase PDR from 85.0/84.6/71.3% to 94.2/94.1/86.0% using SUN-FSK, SUN-OQPSK and SUN-OFDM, respectively. Combining the same number of packet transmissions with modulation diversity allows to further increase the average PDR to 97.1%, indicating its potential as a tool to help meeting the reliability requirements of industrial applications.

Subject Areas

IEEE 802.15.4g, Smart Utility Networks; Low-Power; Wireless; Modulation Diversity; Reliability; Availability

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