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Controlling sequence length of DS-IR-UWB to enhance performance of multi-WBAN systems Cover

Controlling sequence length of DS-IR-UWB to enhance performance of multi-WBAN systems

Open Access
|Dec 2018

Abstract

The international standard of wireless body area networks (WBANs), ie IEEE 802.15.6, was established in Feb. 2012, and this standard decided spreading code as a suppressing interference technology. However, the sequence length of spreading code is fixed, hence it is difficult to guarantee secure communications due to noise and interference from other WBANs. In this paper, we propose utilizing direct sequence impulse radio ultra wideband (DS-IR-UWB) for multi-WBAN systems, and then analyze multi-WBAN systems theoretically, derive equations of inter-WBAN interference, packet error rate (PER) and throughput. Furthermore, to guarantee secure communications, the desired PER is introduced, and then an algorithm is proposed to take the control of sequence length of DS-IR-UWB in order to ensure that the PER of system is always below the desired PER while maximizing the throughput. The numerical evaluation shows that the sequence length of proposed control method is changed according to the SNR and the number of WBANs, it lets the proposed algorithm of control of sequence length outperform the conventional fixed sequence length method.

DOI: https://doi.org/10.2478/jee-2018-0054 | Journal eISSN: 1339-309X | Journal ISSN: 1335-3632
Language: English
Page range: 373 - 378
Submitted on: Sep 27, 2018
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Published on: Dec 14, 2018
In partnership with: Paradigm Publishing Services
Publication frequency: 6 issues per year

© 2018 Nguyen Cong Dinh, Pham Thanh Hiep, Obinata Yua, Vu Van Son, published by Slovak University of Technology in Bratislava
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.