WIRELESS BODY AREA SENSOR NETWORK FOR POSTURE DETECTION Sumi K C S7CS Roll No:
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Transcript of WIRELESS BODY AREA SENSOR NETWORK FOR POSTURE DETECTION Sumi K C S7CS Roll No:
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WIRELESS BODY AREA SENSOR NETWORK FOR POSTURE DETECTIONSumi K C
S7CS
Roll No:
![Page 2: WIRELESS BODY AREA SENSOR NETWORK FOR POSTURE DETECTION Sumi K C S7CS Roll No:](https://reader035.fdocuments.in/reader035/viewer/2022071808/56649ee95503460f94bfaa3e/html5/thumbnails/2.jpg)
INTRODUCTION
Body Area Network Makes use of user postures to implement
alternate input system Must be fast and real-time Flexibility
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WIMOCA
Distributed Posture Recognition Application Sensors are represented by Triaxial
Integrated MEMS accelerometers Use accelerometers to detect postures and
gestures Nodes are mounted on human body and are
connected to a base station Base station acts as a gateway that connects
network to a PC
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WBASN ARCHITECTURE
Wearable Low-power Modular Architecture
Fig 1 WiMOCA System Structure
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WBASN ARCHITECTURE
Three sections MCU/Sensors RF Power Supply
Microcontroller ATMega 8bit controller AVR RISC architecture
MEMS Tri-axial accelerometer Maximum Power 15mW and minimum 1μW
RF Operates at 800MHz
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WBASN ARCHITECTURE
Star Topology WiMoCA nodes are the endpoints Nodes are responsible for sensing and acquiring
data Gateway performs bridging functions
Fig 2 Node Structure