body area
DESCRIPTION
network zoneTRANSCRIPT
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Wireless Body Area Network (WBAN)EE (400) Presentation
Prepare byWael Ba-deghaishMohamed Ba-oum
For Dr Samir Al-Ghadban
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Presentation Outline:
1 Introduction 2 Stander
3 Archatcher4 OSI Layer
5 WBAN Drawback 6 Conclution
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introduction• What is WBAN?.• What is the benefit of using WBAN( Ali story).• Learn How this Tech work
• Figure 1:data follow into integrate in WBAN system[3]
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WBAN StanderNot yet specified. WBAN application of WPAN (WSN , Zigbee) 802-15
Figure 2: wireless group stander[2]
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Arctiture• Three Tire
Figure 3:WBAN architecture[1]
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Tire: WBAN Sensor• Consist of intelligent node ( sensing, sampling, processing,
and communicating)• Sensor Arcticture
Figure 4: Sensor node[3]
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Example of WBANs1 ECG(monitoring heart activity)Figure4:
2 EMG (electromyography)
3 For sensing motion ( activity)
figure5: Example of sensor node[3]
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Tire2: Personal server• interface the WBAN sensor nodes through Zigbee or Bluetooth.• Connected with the medical server through mobile telephone
networks (2G, GPRS, 3G) or WLANs—Internet• Implemented regularly at cell phone.• Functions:1-Register type and number sensor node .2-manages the network channel sharing, time synchronization,
and processing data.3-Send data to MS
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Tire3-Medical server
• Function:1-to authenticate users 2-Save patient data into medical records 3-analyze the data .4- recognize serious health cases in order to contact
emergency care givers , 5-forward new instruction to user.
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WBAN Layers
Why layering?
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Physical Layer
Radio Band figure6: Radio Band of WBAN [1]
Modulation
Data Rate table 1:modulation type of WBAN[1]
table 2: data rate of WBAN sensor[1]
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Data Link Layer Data Link Layer Objective DLL Responsible for Reliable Transfer of Frames from one node to the
other (no loss, no corruption, no duplication)
MAC• Control access to the shared medium (radio channel)• Avoid interference between transmissions
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Data Link Layer MAC protocol
(CSMA-CA) use with wireless LAN simplicity implementation lower system cost reliable data transmission
TDMA( Schedule Protocol) WWAN like (GSM) Figure 7: CSMA/CA protocol procedure [1]
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MAC protocol comparison:
table 3: comparison between TDMA and CSMA/CA
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Network LayerProtocol is IP
network topologies within WBAN
•Peer-to-peer communication (WLAN)Ad-Hoc Routing
•Infrastructure (WWAN)Access point (AP) or base station (BS)• Figure7: Two different network topologies are depicted: (a) ad hoc mode and
(b) infrastructure mode [3].
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Transport Layer
Objective
TCP protocol Reliable (because relate with human health) Acknowledgment
Application Layer Data from sensor send as email Use Simple Mail Transfer Protocol (SMTP)
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Summary WBAN Layers
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Drawback WBAN Battery Life factors affecting the battery life is The radio transmission update period battery live for months
Security To make WBAN more security: Authenticate figure 8: Battery live for WSN [2]
Verify Encrypt Key Management FHSS Figure9: FHSS protocol [2]
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Conclusion: WBAN serve patient and Doctor Improve WBAN to avoided security and interference problem In future may Build new stander WBAN In future improve WBAN to use with 4G (WI-MAX)
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Reference Jamil Y. Khan, Mehmet R. Yuce, and Farbood Karami (Performance Evaluation of a
Wireless Body Area Sensor Network for Remote Patient Monitoring)
Dr Ab-dulghani (P&CSD/PID/CNU) Handout Aramco coures, (wireless network and wireless plant application)
Katrin Bilstrup, A Preliminary Study of Wireless Body Area Networks, Halmstad University, School of Information Science.
4-Tomas H. Gorhm, Play Simplicity for Wireless Body Area Networks, IEEE Gornal,2008-11
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Thank you