Abstract

Wireless body area network is a special purpose wireless sensor network that employs wireless sensor nodes in, on, or around the human body, and makes it possible to measure biological parameters of a person for special applications. One of the most fundamental concerns in wireless body area networks is accurate routing in order to send data promptly and properly. Routing protocols used in wireless body area networks are affected by a large number of factors including energy, topology, temperature, posture, radio range of sensors and appropriate quality of service in sensor nodes. Among these, achieving energy efficiency in wireless body area networks (WBANs) is a major challenge, because energy efficiency ultimately affect the network lifetime. Several routing techniques have been adopted to increase the energy efficiency. This paper aims to study wireless body area sensor networks and the study of few energy efficient routing protocols in WBAN.

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