By Arthur H.M. Ross, Ph.D.
CDMA is a complex concept that can be viewed at many levels. We intend to offer
explanations suitable for a broad audience, from non-technical to expert.
Introduction to CDMA
... if you are totally new to this technology!
Multiple Access Wireless
An overview of the traditional systems - the old way . .
The CDMA Revolution
CDMA approaches optimal use of the electromagnetic spectrum.
Extraordinary capacity is its hallmark!
Principles of CDMA
CDMA is a form of Direct Sequence Spread Spectrum (DSSS)
- What does that mean?
The Air Interface
The common air interface is the common ground on which equipment
manufacturers and operators must agree. These pages survey
the cellular (TIA/EIA/IS-95A) and PCS (ANSI J-STD-008) air