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Table 1 Order of complexity in terms of number of multiplications

From: Carrier phase recovery of LDPC-coded systems based on the likelihood difference algorithm

Algorithm

Complexity

HDD algorithm

\(O\big (N\big )\)

Algorithm of [16]

\(O\big (N\big )\)

Algorithm of [6]

\(O\big ((n-k)u_iM\big )\)

Proposed algorithm

\(O\big ((n-k)u_iM\big )\)