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Who invented the technology CDMA?(a) Qualcomm(b) Bell Labs(c) SAP Labs(d) AT&TThis question was addressed to me in an internship interview.The above asked question is from Bandwidth Requirement for PAM Transition in division Phase Locked Loop & Pulse Modulation of Analog Communications

Answer»

Correct option is (a) Qualcomm

Easiest explanation: CDMA STANDS for CODE Division MULTIPLE Access. CDMA was invented by Qualcomm. CDMA is a channel access method USED by various radio communication technologies. It is a kind of multiplexing where various signals uses the same transmission channel in a more optimized way.



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