(CDMA) (OR "spread spectrum") A fORm of multiplexing where the transmitter encodes the signal using a pseudo-random sequence which the receiver also knows and can use to decode the received signal. Each different random sequence cORresponds to a different communication channel. MotORola uses CDMA fOR digital cellular phones. Qualcomm pioneered the introduction of CDMA into wireless telephone services. (2001-03-28)