The present document describes the system description of Smart BAN. SmartBAN addresses the five major features below: 1) Smart Body Area Networks (SmartBAN) Unified data representation formats@ semantic and open data model. 2) SmartBAN Data representation and transfer@ service and application; Standardized interfaces@ APIs and infrastructure for heterogeneity and interoperability management. 3) SmartBAN Measurements and Modelling of SmartBAN RF environment. 4) Low complexity MAC and routing for SmartBAN. 5) Enhanced@ ultra-low power PHY for SmartBAN. The following technologies are also to be defined: ? smart control; ? network management; ? implant communications; ? security; and ? privacy mechanisms