Table 8 Achieved reduction values in terms of number of operations, read/write access memory for considering “3 IDem _0 EIDec ” rather than “6IDec” for different modulation schemes, code rates and erasure events
From: Complexity adaptive iterative receiver performing TBICM-ID-SSD
Modulation scheme | CASE1 (with recomputed Euclidean distances) | CASE2 (with stored Euclidean distances) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
R c =1/2 | R c =6/7 | R c =1/2 | R c =6/7 | |||||||||
Arith | Load | Store | Arith | Load | Store | Arith | Load | Store | Arith | Load | Store | |
QPSK | 28.9% | 32.6% | 45% | 37.2% | 39.6% | 47% | 43.3% | 29.8% | 35.4% | 45.9% | 38% | 41.4% |
QAM16 | −1.6% | 24.9% | 45% | 17.7% | 34.9% | 47% | 24.7% | 12.1% | 25.9% | 34.2% | 27.2% | 35.8% |
QAM64 | −78.8% | −8.6% | 45% | −38.3% | 13.7% | 47% | −25.1% | −44.3% | −5.9% | −1.5% | −8.5% | 17.1% |
QAM256 | −201.4% | −97.2% | 45% | −150.4% | −49.3% | 47% | −111.9% | −184.4% | −107.8% | −79% | −108.1% | −42.8% |