Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

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

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)

How to cite: Barroca, N.; Borges, L.M.; Velez, F.J.; Chatzimisios, P. Impact of Using CSS PHY and RTS/CTS Combined with Frame Concatenation in the IEEE 802.15.4 Non-Beacon Enabled Mode Performance. Preprints 2020, 2020120744. https://doi.org/10.20944/preprints202012.0744.v2 Barroca, N.; Borges, L.M.; Velez, F.J.; Chatzimisios, P. Impact of Using CSS PHY and RTS/CTS Combined with Frame Concatenation in the IEEE 802.15.4 Non-Beacon Enabled Mode Performance. Preprints 2020, 2020120744. https://doi.org/10.20944/preprints202012.0744.v2

Abstract

This paper studies the performance improvement of the IEEE 802.15.4 nonbeacon-enabled mode originated by the inclusion of the Request-To-Send/Clear-To-Send (RTS/CTS) handshake mechanism resulting in 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 maximum throughput and minimum delay performance are mathematically derived for both the Chirp Spread Spectrum and Direct Sequence Spread Spectrum Physical layers for the 2.4 GHz band. Results show that the utilization of RTS/CTS significantly enhances the performance of IEEE 802.15.4 applied to healthcare in terms of bandwidth efficiency.

Keywords

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

Subject

Engineering, Electrical and Electronic Engineering

Comments (1)

Comment 1
Received: 9 March 2022
Commenter: Fernando J. Velez
Commenter's Conflict of Interests: Author
Comment: We have removed the section on PHY and included a contextualization of the framework of the need of the CSS PHY (1Mb/s - against 250 kb/s of the DSSS physical layer) in healthcare, and how IEEE 802.15.4 can compete with IEEE 802.15.6 in off-body and on-body WBAN communcations by introducing this new PHY (CSS).
Besides, we have included a section on the Lessons Learned and enhanced the Conclusions.
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