<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The international standard of wireless body area networks (WBANs), <italic>ie</italic> 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.</p></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.

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

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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...

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

Published Online: Dec 14, 2018

Page range: 373 - 378

Received: Sep 27, 2018

DOI: https://doi.org/10.2478/jee-2018-0054

Keywords
control of sequence length, Inter-WBAN interference, direct sequence impulse radio ultra wideband (DSIR-UWB), Packet error rate, throughput

© 2018 Nguyen Cong Dinh et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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

Published Online: Dec 14, 2018

Page range: 373 - 378

Received: Sep 27, 2018

DOI: https://doi.org/10.2478/jee-2018-0054

Keywordscontrol of sequence length, Inter-WBAN interference, direct sequence impulse radio ultra wideband (DSIR-UWB), Packet error rate, throughput

© 2018 Nguyen Cong Dinh et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
control of sequence length, Inter-WBAN interference, direct sequence impulse radio ultra wideband (DSIR-UWB), Packet error rate, throughput