Wireless Body Area Network (WBAN)

EE (400) Presentation

Prepare by

Wael Ba-deghaish

Mohamed Ba-oum

For

Dr Samir Al-Ghadban

Presentation Outline:

1 Introduction

2 Stander

3 Archatcher

4 OSI Layer

5 WBAN Drawback

6 Conclution

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]

WBAN Stander

Not yet specified.

WBAN application of WPAN (WSN , Zigbee) 802-15

Figure 2: wireless group stander[2]

Arctiture

• Three Tire

Figure 3:WBAN architecture[1]

Tire: WBAN Sensor

• Consist of intelligent node ( sensing, sampling, processing,

and communicating)

• Sensor Arcticture

Figure 4: Sensor node[3]

Example of WBANs

1 ECG(monitoring heart activity)

Figure4:

2 EMG (electromyography)

3 For sensing motion ( activity)

figure5: Example of sensor node[3]

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

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.

WBAN Layers

Why layering?

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]

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

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]

MAC protocol comparison:

table 3: comparison between TDMA and CSMA/CA

Network Layer

Protocol 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].

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)

Summary WBAN Layers

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]

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)

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

Thank you