1.1 Introduction1.2 Background1.3 Typical m‐Health System Architecture1.4 Hardware Architecture of a Sensor Node1.5 Communication Medium1.6 Power Consumption Considerations1.7 Communication Standards1.8 Network Topologies1.9 Commercial Sensor Node Platforms1.10 Biophysiological Signals and Sensors1.11 BSN Application Domains1.12 SummaryReferences