overview the basics core specification version spectrum international radio frequency allocation...
Post on 20-Dec-2015
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TRANSCRIPT
Overview• The Basics• Core Specification
Version• Spectrum• International Radio
Frequency Allocation• Range• Power• Benefits• Protocol Stack
• Bluetooth Architecture• Bluetooth Profiles• Security• Pairing Bluetooth
Devices• Comparing With Other
Technologies• References• Questions or
Comments?
The Basics
• Short-range communication technology
• Key features
• Global acceptance
• Fundamental strength
Core Specification Versions
• Version 1.2
• Version 2.0 +
Spectrum
• Industrial, scientific and medical (ISM) band
• Adaptive frequency hopping (AFH)
International Radio Frequency Allocation
Range
• Class 1 radios
• Class 2 radios
• Class 3 radios
Power
• Class 2 – 2.5 mW of power
• Low power consumption
Benefits
• Why choose this technology?
• Globally available
• Range of devices
• Ease of use
• Secure connections
Protocol Stack
SDP
OBEX
RFCOMM
Applications and Profiles
L2CAP
HCI
Link Manager
Baseband/Link Controller
Radio
Bluetooth Architecture• Piconet• Scatternet
S1
S2
S3
S4 S5
S6
S7
M1 M2
Scatternet
Piconet A Piconet B
Bluetooth Profiles• What is a profile?
Generic Access Profile
Serial Port Profile
Telephony Control Protocol Specification
Service Discovery Application Profile
Cordless Telephony Profile
Intercom Profile
Headset Profile
LAN Access Profile
FAX Profile
Generic Object Exchange Profile
Dial Up Networking Profile
Object Push Profile
Synchronization
File Transfer Profile
Bluetooth Profiles
• The serial port profile group
Bluetooth Profiles
• The generic object exchange profile group
Bluetooth Profiles
• Telephony control protocol specification profile group
Security
• Bluejacking
• Bluesnarfing
• Passkeys / Bonding
• Security Modes– Security Mode 1– Security Mode 2– Security Mode 3
Security levels
• Trusted device
• Untrusted device
Services security
Three levels:
• Authorization and authentication
• Authentication only
• Open
Pairing Bluetooth Devices
Pairing Bluetooth Devices
Compare with Other Technologies• Wi-Fi (IEEE 802.11)
• Certified Wireless USB
• Infrared (IrDA)
References• www.bluetooth.com• http://electronics.howstuffworks.com• http://www.tutorial-reports.com/wireless/bluet
ooth/architecture.php• http://www.thebunker.net/security/bluetooth.h
tm• http://www.phptr.com/articles/article.asp?p=2
1336&rl=1
Questions or Comments?