© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Wireless Communications Principles and Practice 2 nd Edition T.S. Rappaport Chapter 3: The Cellular Concept – System Design Fundamentals

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. The Cellular Concept

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. 19-cell reuse example (N=19) Figure 3.2 Method of locating co-channel cells in a cellular system. In this example, N = 19 (i.e., I = 3, j = 2). (Adapted from [Oet83] © IEEE.)

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Handoffs – the basics

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Umbrella Cells

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Smaller N is greater capacity

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Co-channel cells for 7-cell reuse

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. AMPS Duopoly Channels

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Key Definitions for Trunked Radio

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Erlang B Trunking GOS

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Erlang B

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Erlang C

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Cells are split to add channels with no new spectrum usage

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Cell Splitting increases capacity

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Sectoring improves S/I

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Sectoring improves S/I

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. In-building deployment is the next great growth phase

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. The Zone Cell Concept

© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Zone Cell Concept