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. This article presents 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.
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