1. BLUETOOTH 第七組 王文道

2. Outline What is “Bluetooth” Characteristic Security Comparison Application/ Conclusion

3. Wireless World IEEE 802.1X Home RF GSM 、 GPRS 、 3G ZigBee IrDA Bluetooth

5. About Bluetooth…… Where SIG,founded in September 1998 IBM, Intel, Ericsson, Nokia, Microsoft…… Why Danish King - Harald Bluetooth What Short range (10 meters) Frequency-hopping radio link

6. Outline What is “Bluetooth” Characteristic

7. Features 2.4GHz Range : 0.1~100 meters Low power

8. Features GFSK (Gaussian Frequency Shift Key) TDMA (Time Division Multiple Access) FHSS (Frequency Hopping Spread Spectrum)

9. FHSS 79 (23)channels Each one is 1MHz Hopping 1600/s

10. Features Max Bandwidth: 1Mb/s Average Rate: 720kb/s 1 Master connect to 7 Active Mode Slave ( or 255 Standby Mode ones ) to from a Piconet Extension : Piconet -> Scatternet

11. Topology PiconetScatternet

13. States Standby InquiryPage Connected

14. Modes FastestSlowestResponsiveness HighestLowest Power Consumption ActiveSniff/HoldPark

15. Transport Protocol

16. Outline Characteristic Security

17. Frequency hopping Stream cipher EO

18. Security Mode1: no security. 應用於不重要的資料 Mode2: service level-enforced security. 富有彈性, 建立連線後才根據應用的不同來決 定安全性的高低. Mode3: link level-enforced security. 在建連結 時就會啟用安全模式, 如果沒有通過則連結不 會被建立.

19. Outline Security Comparison

20. Bluetooth V.S IrDA Convenience Radio wave V.S Infrared light Range 0.1-100 meters V.S 1 meter Data rate 1 Mbps V.S 4 Mbps

22. Power 100 mW V.S 10 mW Safety Price $5.00 V.S <$1.00

23. Outline Comparison Application/ Conclusion

24. Bluetooth Products Mobile Phones

25. Bluetooth Products Computer Equipment

26. Bluetooth Products Home Environment

27. Bluetooth Products Automotive

28. Bluetooth Products Headset

29. THE END