Handoff and its type

Handoff and its type

1. Presenting by: Shivani Soni Course : B-Tech(CSE 7th) Roll no.: 13/NR/UT/CS005 Presenting to: Mr . Gaurav Sharma HANDOFF AND ITS TYPE

2. Contents Handoff Why Handoff? Types of Handoff with reference to the network. Types of Handoff with reference to link Transfer.

3. Handoff Handoff refers to a process of transferring an ongoing call or data session from one channel connected to the core network to another. Process of transferring a MS from one base station to another. Also called as ‘ Handover ’.

4. Why there is need of Handoff Power Consideration Traffic Consideration Channel Quality Consideration Distance Consideration Administrative Consideration

5. Power Consideration

6. Traffic Consideration

7. Chanel Quality Consideration Continues (good ) Discontinues (weak )

8. Distance Consideration

9. Administrative Consideration

10. Types of Handoff…… Basically, There are two type of Handoff (Handover ). With Reference to the Network Intra-system handoff or Inter-BS handoff. Intersystem handoff or Inter-MSC handoff. With Reference to the Link Transfer Hard Handoff Soft Handoff

11. The new and the old BSs are connected to the same MSC. Intra-system OR Inter- BS Handoff

12. The new and the old BSs are connected to different MSCs. Inter-system OR Inter- MSC Handoff

13. Hard Handoff

14. OLd New Break-Before-Make

15. Soft Handoff The two BSs are briefly simultaneously connected to the MU while crossing the cell boundary. As soon as the mobile's link with the new BS is acceptable, the initial BS disengages from the MU . Simply, When the two Connections to the Cell Phone from Different base station .This ensure that no break ensure during the handoff.

16. OLd New Make-Before-Break