1. The Fundamentals of Cellular Concept and System Design Wireless Communications 06-88-440-01 These slides contains copyrighted materials from Prentice Hall Inc.. These figures are provided as instructor resources, and sources of these figures are: Wireless Communications and Networking, Jon W. Mark, Weihua Zhuang Wireless Communications: Principles and Practice, Theodore S. Rappaport

2. Single Cell K Channels = K simultaneous Users Capacity=K BS Pr Pt d

3. M Small Cells Capacity= M x K

4. Interference if all cells use same set of frequencies R R R 1 2 3 Which cell to use?

5. Single Cell Single Cell with K channelsCluster N cells, with Each cell J = K / N channels

6. Cellular Concept

7. 19-cell reuse example (N=19)

8. Handoffs – the basics

9. Umbrella Cells

10. Smaller N is greater capacity

14. Co-channel cells for 7-cell reuse

15. Key Definitions for Trunked Radio

16. Erlang B Trunking GOS

17. Erlang B

18. Erlang C

19. Cells are split to add channels with no new spectrum usage

20. Cell Splitting increases capacity

21. Sectoring improves S/I

23. In-building deployment is the next great growth phase

24. The Zone Cell Concept

25. Zone Cell Concept