cdma technology overview_36CDMA Technology OverviewCDMA Technology Overview1Why CDMA?C ode D ivision M ultiple A ccessCDMA Technology OverviewCDMA is extremely robust and provides excellent audio qualityQ CDMA is the technology of choice for both 800 MHz Cellular and 1900 MHz PCS service providers Q CDMA satisfies CTIA Users’ Performance Requirements Q CDMA provides high capacity (many times the capacity of AMPS) Q CDMA provides privacy through its coding scheme2What is Multiple Access?Multiple Access: Simultaneous private use of a transmission medium by multiple, independent users. Since the beginning of telephony and radio, system operators have tried to squeeze the maximum amount of traffic over each circuit Types of Media Twisted pair - copper Coaxial cable Fiber optic cable Air interface ……