1. Bluetooth Still Waiting for the Tsunami!

2. Bluetooth History Ericsson initiative Special Industry Group: (Promoters) Ericsson, IBM, Intel, Nokia, and Toshiba. Very fast development of version 1.0 Today, about 3000 adopters Version 1.1 available at www.bluetooth.com (Royalty free)www.bluetooth.com IEEE 802.15.x

3. Design Objectives of Bluetooth Low power Low cost Full interoperability with no user intervention

4. Brain Storming How to connect two radio nodes?

5. Bluetooth Scenario Inquiry Search Inquiry Scan Learning about others

6. Bluetooth Scenario Page Page Scan Inquiry Scan Invitation to communicate

7. Bluetooth Scenario Master Slave Inquiry Scan Communicating

8. Bluetooth Logical View Application Group Middleware Protocol Group Transport Protocol Group

9. Application Group Middleware Protocol Group Transport Protocol Group Radio Link ManagerLink ControllerHost Controller

10. Transport Protocol Group Radio Link Controller Link Manager Radio Link Controller Link Manager Bluetooth Device 1 Bluetooth Device 2

11. Transport Protocol Group Radio Link Controller Link Manager -ISM Band (2.4 GHz to 2.483 GHz) -79 channels of 1 MHz each starting at 2,402 MHz -Frequency Hopping -1600 times per second (Tx/Rx) -3200 times per second (Pag/Inq) - Maximum raw datarate 1 Mbit/s

12. Transport Protocol Group Radio Link Controller Link Manager - 28-bit clock (3200 Hz) - Paging/Inquiring - Frequency Hop selection - Link types - MAC - Power modes - Security algorithms

13. Paging/Inquiring Master Slave

14. Frequency Hop Selection Radio Link Controller Link Manager Country Mode Frequency Selection Module Bluetooth address* Clock (Master) Frequency for Tx/Rx

15. Frequency Hopping TRTR 625µs Master Slave 1 Slave 2 Slave 3 Slot # 012345 RT RT T R R T

16. Synchronous Connection-Oriented links (SCO) High priority traffic real time traffic 64Kbits/s 3 max per piconets Asynchronous Connectionless Links (ACL) Gets left over bandwidth Link Types Radio Link Controller Link Manager

17. Master starts Tx on even slots Slaves starts Tx on odd slots (if Master just transmitted to this slave on previous slot) Exponential backoff when responses to inquiries collide Medium Access Control Radio Link Controller Link Manager

18. Power Modes Standby InquiryPage Connected Transmit Data ParkHold Unconnected Connecting Active Low Power

19. Transport Protocol Group Radio Link Controller Link Manager - Security Management - Power Management (States of node) - QoS Management

20. Transport Protocol Group Application Group Middleware Protocol Group L2CAP HCI Commands Transport Protocol Group HCI Driver Radio Link Controller Link Manager Host Controller Bluetooth Module SDPRFCOMM AT OBEX PPP IP TCPUDP