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Digital Wireless Basics:


Wireless History


Basic Radio Principles

Cellular defined

Frequency reuse

Cell splitting

Cellular and PCS frequencies

Transmitting digital signals

Introducing wireless systems

The network elements

The main wireless categories

Basic digital principles


Turning speech into digital

Frames, slots and channels

IS-54: D or Digital AMPS

IS-136: TDMA based cellular

Call processing


Wireless' systems chart

Cellular and PCS frequencies chart

Cellular and PCS Frequencies

I didn't make this chart. It is archived on this server for your convenience only; if you want to read some of the best writing about wireless anywhere, go to the source:


And here's my presentation of the cellular frequencies: Home

E-mail me! West Sacramento, California USA