Characterisation of on-body communications at 2.45 GHz

Authors:
Carla Oliveira;Carlos Lopes;Michal Mackowiak;Luis M. Correia
Affiliations:
IT/IST-TUL, Lisbon, Portugal;IST-TUL, Lisbon, Portugal;IT/IST-TUL, Lisbon, Portugal;IT/IST-TUL, Lisbon, Portugal
Venue:
Proceedings of the 6th International Conference on Body Area Networks
Year:
2011

Citing 2
Cited 0

Antennas And Propagation for Body-Centric Wireless Communications

Antennas And Propagation for Body-Centric Wireless Communications
Cooperative communications in ultra-wideband wireless body area networks: channel modeling and system diversity analysis

IEEE Journal on Selected Areas in Communications - Special issue on body area networking: Technology and applications

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Abstract

This work focuses on the characterisation of on-body communications using patch antennas at 2.45 GHz. An investigation on the effects of the body in the communication link is done, based on measurements, for a range of body postures and on-body links. Return reflection loss results show that, on average, the antenna performance is 0.6 dB worse than in free space, also presenting a small detuning (quasi-line-of-sight link into a non-line-of-sight one, increasing path loss up to 15 dB.