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Body area wireless sensor networks (BANs) are a key component to the ubiquitous healthcare revolution and perhaps one of its most challenging elements from a communications standpoint. The unique characteristics of the wireless channel, coupled with the need for extreme energy efficiency in many healthcare applications, require novel solutions in medium access control protocols. We present the main characteristics and challenges associated with BANs from a healthcare perspective, and present some MAC techniques based on studies of the BAN channel that could be used to address these challenges.
Boulis et al. (Tue,) studied this question.