Chapter 3 The Cellular Concept System Design Fundamentals
- Slides: 19
Chapter 3: The Cellular Concept – System Design Fundamentals © 2002 Pearson Education, Inc. Commercial use, distribution, or Principles and Practice 2 nd Edition T. S. Rappaport sale prohibited. Wireless Communications
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. The Cellular Concept
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 [Oet 83] © IEEE. ) © 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. 19 -cell reuse example (N=19)
© 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
Co-channel cells for 7 -cell reuse Click for Description of Frequency Reuse Concept © 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Click for Description of Frequency Reuse Concept
© 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 click for definition of Erlang
© 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
System design fundamentals
Concept 5 cellular respiration
Hexagon shape is used for radio coverage for a cell because
Concept map cellular respiration
Chapter 23 computer system fundamentals
Hw
Logic and computer design fundamentals
Jk flip flop
Logic and computer design fundamentals
Logic and computer design fundamentals
Level design fundamentals
Design for testability basics
Fundamentals of computer design
Fundamentals of fashion photography
Pearson physics
Logo design fundamentals
Fundamentals of computer design
Campus network design fundamentals
Logic & computer design fundamentals
Design principles in software engineering
