Impact of using CSS PHY and RTS/CTS Combined with Frame Concatenation in the IEEE 802.15.4 Non-beacon Enabled Mode Performance

Norberto Barroca; Luís M. Borges; Fernando José Velez; Periklis Chatzimisios

doi:10.20944/preprints202012.0744.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 28 December 2020 / Approved: 30 December 2020 / Online: 30 December 2020 (07:54:10 CET)
Version 2 : Received: 8 March 2022 / Approved: 9 March 2022 / Online: 9 March 2022 (08:11:56 CET)

This paper studies the performance improvement for the nonbeacon-enabled mode of IEEE 802.15.4 originated by the inclusion of the Request-To-Send/Clear-To-Send (RTS/CTS) handshake mechanism combined with frame concatenation. Under IEEE 802.15.4 employing RTS/CTS, the backoff procedure is not repeated for each data frame sent but only for each RTS/CTS set. The throughput and delay performance are mathematically derived for both the Chirp Spread Spectrum and Direct Sequence Spread Spectrum Physical layers for the 2.4 GHz band. The results show that the utilization of RTS/CTS significantly enhances the performance of IEEE 802.15.4 in terms of maximum throughput, minimum delay and bandwidth efficiency.

Wireless Sensor Networks; MAC sub-layer; RTS/CTS/ non-beacon mode; packet concatenation; channel use; IEEE 802.15.4

Engineering, Electrical and Electronic Engineering

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Impact of using CSS PHY and RTS/CTS Combined with Frame Concatenation in the IEEE 802.15.4 Non-beacon Enabled Mode Performance

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