Energy efficiency optimization for IR-UWB WBAN based on the IEEE 802.15.6 standard

Authors:
Heikki Karvonen;Jari Iinatti;Matti Hämäläinen
Affiliations:
University of Oulu, Oulu, Finland;University of Oulu, Oulu, Finland;University of Oulu, Oulu, Finland
Venue:
BodyNets '13 Proceedings of the 8th International Conference on Body Area Networks
Year:
2013

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Abstract

This paper describes a cross-layer energy efficiency optimization for the IEEE 802.15.6 standard based wireless body area networks. Studied physical layer is based on impulse radio ultra wideband signaling using non-coherent energy detection receiver and on-off keying modulation. Bose-Chaudhuri-Hocquenghem code is used for forward error correction and the analyzed medium access control layer is using slotted Aloha, which is a mandatory method for the contention based mode of the IEEE 802.15.6 standard. Proposed model can be used to explore the energy efficiency of uncoded and coded communication when using different payload lengths. Results clearly show the energy efficiency for different payload lengths as a function of signal-to-noise ratio in the additive white Gaussian noise channel.