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Search results with tag "Is 95 cdma"
IS-95 CDMA
www.pitt.eduIS-95 CDMA - Radio Aspects • IS-95 is an air interface standard only • System use FDD/FDMA/CDMA • FDD => Uplink and Downlink channels separated according to Cellular band or PCS band regulatory requirements • FDMA – breaks up licensed spectrum into 1.25 MHz channels • CDMA – multiple users share a 1.25 MHz channel by