Which of the following is not a software requirement required by CDMA?(a) Symbol integration(b) Blind equalization(c) Tracker(d) Viterbi decoderI got this question at a job interview.My enquiry is from Performance Management Tradeoffs topic in portion Technology Tradeoffs in Software Defined Radio of Cognitive Radio

Which of the following is not a software requirement required by CDMA?

1.	Which of the following is not a software requirement required by CDMA?(a) Symbol integration(b) Blind equalization(c) Tracker(d) Viterbi decoderI got this question at a job interview.My enquiry is from Performance Management Tradeoffs topic in portion Technology Tradeoffs in Software Defined Radio of Cognitive Radio
Answer» Correct answer is (a) Symbol integration The explanation: Carrier tracking is ACHIEVED by tracker. Viterbi decoder is a maximum likelihood majority decoder. Blind EQUALIZATION is implemented by weighted TAPPED delay line filter. These functionalities are accomplished using software. Although symbol integration is REQUIRED by CDMA, it is implemented using ASIC.

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