A body area network (BAN) is a wireless network of small, low-power sensors worn on or implanted in the body to collect and communicate data. These r net- . works are used for, applications like health and wellness monitoring, personal safety, and sports training. They work by connecting wearable or implantable sensors to a central controller, which can be a smartphone or other device. How it works ‣ Sensors: Small,intelligent, and low- power sensors are placed on or inside the body. & ◦ Communi