An Overview of IEEE 802.15.6 Standard Abstract—Wireless Body Area Networks (WBAN) has emergedas a key technology to provide real-time health monitoring ofa patient and diagnose many life threatening diseases. WBANoperates in close vicinity to, on, or inside a human body andsupports a variety of medical and non-medical applications. IEEE802 has established a Task Group called IEEE 802.15.6 forthe standardization of WBAN. The purpose of the group is toestablish a communication standar .