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FEC operations are ____

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FEC operations are ____

(a) byte-serial

(b) byte-parallel

(c) bit-serial

(d) bit-parallel

This question was posed to me by my school teacher while I was bunking the class.

This is a very interesting question from Digital Architecture Tradeoffs in portion Technology Tradeoffs in Software Defined Radio of Cognitive Radio

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Correct option is (c) bit-serial

Easy explanation: Forward error control operations are bit-serial. It involves bit-level manipulations. They are usually carried out in registers of length 11, 13 etc. Additional bit-masking is required to implement FEC functions.

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