Cyclic Redundancy Checks(CRC) R M=info bits k Data bits r Check bits R=check bits T codeword T=M2+R A CRC is implemented using a feedback shift register Bits in e Bits outCyclic Redundancy Checks (CRC) k Data bits r Check bits M R T T = M 2 r + R M = info bits R = check bits T = codeword • A CRC is implemented using a feedback shift register Bits in Bits out