 you can reuse frequencies as long as they are not in adjacent cells. Say that in the honeycomb configuration, 700 channels are available. Each of the cells could make use of 100 of those channels. The next honeycomb configuration could then reuse those 100 channels, as long as those channels were not adjacent to one another between cells. As the density of subscribers increases, the next step is to subdivide the cells into smaller coverage areas, based on accepted reuse patterns. The traditional analog cel- lular network uses macrocells (see Figure 13.4). This network was for fast-moving users, traveling distances of miles on their end-to-end journey. The coverage area was about 8 miles (13 km) in diameter, and the base station power was rather great-generally 10 watts or more. This network offered low deployment costs and a small number of handoffs. Depending on how many channels the spectrum agency gave the region, a cell could support up to about 60 users. Cell reuse pattern n = 7 AMPS cell capacity example: 832 channels/carrier = 416 full-duplex pairs = 59.43 pairs/cell Figure 13.3 Space division for spectrum reuse Spectrum Utilization Figure 13.4 Analog cellular reuse pattern As the demand for use increased, we started to migrate toward a microcell architecture. Users of this architecture were assumed to be moving more slowly than those in a macrocell approach; they were, for example, people trapped in a traffic grid, people on golf carts on a golf course, people riding bicycles in a city, pedestrians anywhere. These users traveled distances of less than 1 mile (1.5 km) end to end. Therefore, there are not as many handoffs involved with microcells as there are with macrocells. With macrocells and high-speed vehicles, in 1980, when processing power was significantly lower than it is today, if you were moving very rapidly through cell boundaries, there would be undue strain on the processing power of the systems, and calls might be dropped. But by the time microcells started to come about, handoffs were facil