Abstract
In this paper, influence of human body motion on performance of Differential Chaos Shift Keying (DCSK) modulation over Human Body Communication (HBC) channel is analysed. In particular, DCSK modulation is robust non-coherent modulation, which can be implemented by using low-cost electronic circuitry. Therefore, it is suitable for implementation in low-cost, energy efficient HBC based Wireless Body Area Networks (WBAN). Furthermore, the analytical expression for Bit Error Rate (BER) is derived, in which the body motion fading, modeled with Nakagami distribution is considered. The influence of two body motions, walking and lateral arm movement up and down while a person is standing, on DCSK performance is simulated and discussed. The obtained results show the robustness of DCSK for corresponding body motions.
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