ABSTRACT
Contents 23.1 Introduction ....................................................................................................................676 23.2 Wireless Body Area Networks ........................................................................................ 677
23.2.1 Types of WBAN Devices .................................................................................... 680 23.2.1.1 Wireless Sensor Node ........................................................................... 680 23.2.1.2 Wireless Actuator Node ........................................................................ 680 23.2.1.3 Wireless Personal Device ...................................................................... 680
23.2.2 WBANs Data Rates ............................................................................................ 680 23.2.3 Differences between WSN and WBAN .............................................................. 680 23.2.4 WBAN System Prototypes ................................................................................. 683
23.2.4.1 Physiological Monitoring ...................................................................... 683 23.2.4.2 Motion and Activity Monitoring .......................................................... 684 23.2.4.3 Large-Scale Physiological and Behavioral Studies ................................. 689
23.3 Available Sensors ............................................................................................................ 689 23.4 Benefits of Using WBAN ............................................................................................... 690 23.5 Challenges in a WBAN .................................................................................................. 690
23.5.1 Power ...................................................................................................................691 23.5.2 Computation .......................................................................................................691 23.5.3 Security and Interference .....................................................................................691 23.5.4 Material Constraints ............................................................................................692 23.5.5 Mobility ...............................................................................................................692 23.5.6 Robustness ...........................................................................................................692
674
