1. A SEMINAR PRESENTATION ON GROUP AWARENESS IN BLUETOOTH Presented By: Your Name. Guided by Guide Name Department of Computer Engineering. College Name

2. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.2/16 Outline Introduction. Context awareness. Groping and Towards group awareness Service awareness and its challenges. Conclusion.

3. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.3/16 GROUPING Grouping is a fundamental human cognitive process affecting on group awareness.The cognitive. The aspects of grouping are called Gestalt's law. E.g. similarities between location,distance and connection.

4. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.4/16 Context Awareness. An entity is a person,a place and object is relevant between the user and applications including the applications and applications themselves.Grouping awareness in context of computer supported collabrative work as communication collaboration awareness continum.Awareness gives an end user the abilty to see what another user is doing. It is the systems ability to use context to provide relevant information and services to user.

5. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.5/16 Task,Goal,Usability End user of the service has some goals when using a bluetooth service or device. Usability of the service increases,when the amount of the task needed to goal lowers,and the tasks are more closely connected to the goals in terms of the end user.

6. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.6/16 TOWARDS GROUP AWARENESS Bluetooth specification descries where items and services work as a group,there is no clear way for user or end user to know: 1) Which service are to be shown 2) Which services are to be used As a group.

7. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.7/16 GROUP MANAGEMENT Figure 2 Figure.1 Group level. Bluetooth telephony control ( BTC) describes group management in bluetooth..

8. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.8/16 Service discovery profile. Bluetooth specification offers some tools to Solve the problem of task /flow: 1. Bluetooth devices have unique identification number. 2. One bluetooth device may offer several services,that may be governed independently. At this stage,the applications group awareness must be built to be application independent.

9. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.9/16 Ambient awareness. we want to enable ambient awareness support, which enables users to focus on goal-directed interactions in certain situational contexts and: 1) Minimize or eliminate required user attention for managing dynamic changes in the user's computing and communication environment and 2) Maximize use attention for and interaction with entities/resources/artifacts that are relevant to the user's goals and situational context.

10. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.10/16 SCENARIO Figure 1 shows an example communication scenario with users A and B who carry several personal devices that interconnected in a Personal Area Network (PAN).

11. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.11/16 SERVICE AWARENESS Service awareness is concept which includes service discovery,advertisement server selection in mobile ad hoc environments. In the context of our concept the services thatare not pre-installed infrastructure in case of protocols.e.g.discovering a printer is not concept of service awareness.

12. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.12/16 Challenges of service awareness In general service discovery mechanism can be divided into three categories : 1.Central registry and lookup:Server registered their services to the central registry. 2. Service registration: Servers announce their services to other. 3. Server query:Client sends their requests for services and try to get replies from servers. Service awareness in mobile ad hoc network rise to new challenges.

13. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.13/16 Conclusion 1).Group management provided by the BTC does not provide group awareness to the end user. 2). Naming convention informative to end user(s) should be built. 3).Group management in bluetooth telephony does not necessarily provide for group awareness.

14. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.14/16 BIBOLOGRAPHY [1]. Jorno parkinen &Kristina karaoke, group awareness in Blue tooth,Helsinki University of technology, P.O.Box 5400, hut,December 29 th,2000. [2].Theo kanter, Co-operative mobile ambient awareness, Erisson, research, SE-16480, kista,Sweden, March 11 th,2003. [3]. Jading wu & Martina ziterbart, Institute of telemantics, University of kalsruhe, Germany, July 30 th, 2001.

15. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.15/16

16. B.E. COMPUTER SEMINAR Sep. 11, 2003 Yogesh V. Chaudhari.16/16