Introduction To Mobile Telephone Systems[c] 1G, 2G, 2.5G, and 3G Wireless Technologies and Services

Introduction to Mobile Telephone Systems

Figure 1.1: Basic Cellular System

Figure 1.2: Global Cellular Market Growth 2003

Figure 1.3: Frequency Reuse

Figure 1.4: Analog Cellular System (1st Generation)

Figure 1.5: Digital Cellular System (2nd Generation)

Figure 1.6: Upgraded Digital Cellular System (2 1/2 Generation)

Figure 1.7: Wideband Digital Cellular System (3rd Generation)

Figure 1.8: Typical Mobile Telephone Voice Service Rate Plan

Figure 1.9: Spatial Division Multiple Access (SDMA)