R K 2 Bluetooth Technologies

An Introduction to BLUETOOTH TECHNOLOGY

CONTENT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is Bluetooth? ,[object Object],One of the first modules (Ericsson) A recent module

Bluetooth Goals & Vision ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Overview of Bluetooth History ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Timeline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Technical features 8-128 bits (configurable) Data Security –Encryption Key 9 x 9 mm Module size Gaussian Frequency Shift Keying Modulation 8 devices Supported Stations 128 bit key Data Security –Authentication Key 30 ft Range Spread Spectrum (Frequency Hopping) & Time Division Duplex (1600 hops/sec) Connection Type 1 Mbps Data Rate 1 mw – 100 mw Transmission Power 2.4 GHz ISM Open Band (79 MHz of spectrum = 79 channels) Spectrum

Bluetooth FHSS ,[object Object],[object Object],[object Object],[object Object],[object Object]

Time-Division Duplex Scheme ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Classification ,[object Object],1 m 0 dBm CLASS III 10 m 0-4 dBm CLASS II 100 m 20 dBm CLASS I RANGE POWER

Typical Bluetooth Scenario ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],m s s s s m

Piconet Structure ,[object Object],[object Object],Master Active Slave Parked Slave Standby

Ad-hoc Network – the Scatternet ,[object Object],[object Object],[object Object],[object Object]

Baseband ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Packet Structure Voice No CRC Data CRC header ARQ FEC (optional) FEC (optional) 72 bits 54 bits 0 - 2744 bits Access Code Header Payload

Connection State Machine Standby Inquiry Page Connected Transmit data Park Hold Sniff

Channel Establishment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Connection State Machine

Channel Establishment (contd.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Link Manager Protocol ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],L2CAP

Middleware Protocol Group ,[object Object],[object Object],[object Object],RF Baseband Audio Link Manager L2CAP Data SDP RFCOMM IP Control Applications Middleware Protocol Group

Middleware Protocol Group (contd.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IP Over Bluetooth ,[object Object]

File Transfer Profile ,[object Object],[object Object],[object Object],[object Object]

Headset Profile ,[object Object],[object Object],[object Object],[object Object]

Core Bluetooth Products ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Other Products… ,[object Object],[object Object],[object Object],[object Object],[object Object]

Security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Bluetooth vs. IrD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Will Bluetooth become a household name?

Future of Bluetooth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

“ Things that think… don’t make sense unless they link.” - Nicholas Negroponte, MIT Media Laboratory

R K 2 Bluetooth Technologies

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