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Bluetooth Technology Presentation outlines :
What is Bluetooth Technology?
Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Created by telecoms vendor Ericsson in 1994, it was originally conceived as a wireless alternative to RS-232 data cables. It can connect several devices, overcoming problems of synchronization.
Bluetooth Radio (Link Layer)
• 2.4 GHz
• 79 channels, 1 MHz spacing, 23 channels in some countries
• Gaussian Frequency Shift Keying
• RSSI (Receiver Signal StrengthIndicator)
Baseband (Physical Layer)
• Pseudorandom hopping sequence
• Synchronous Connection-Oriented (SCO)
• Asynchronous Connection-Less (ACL)
• Error Correction
– 1/3 rate FEC
– 2/3 rate FEC
– ARQ scheme
Link Manager Protocol (LMP)
- Manages connections and pairings
- Key change
- Power Control
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|Title||: Bluetooth Technology – PPT Slides Download|
|Date||: Tuesday, November 20th 2012.|
|Download||: Download Bluetooth Technology – PPT Slides Download PPT #621|