References

TCAS-II 2010 [17]

DATE

2009 [18]

TVLSI 2010 [19]

JSSC

2010 [20]

JSSC

2011 [21]

TVLSI

2011 [22]

TVLSI

2011 [9]

TVLSI

2013 [5]

Proposed Work

Modulation

16-QAM

64-QAM

64-QAM

(4-64) QAM

64-QAM

(16-64) QAM

64-QAM

64-QAM

64-QAM

Antenna

4 × 4

4 × 4

4 × 4

4 × 4 - 8x8

4 × 4

4 × 4

4 × 4

4 × 4

4 × 4

Method

SISO-SD

Sys. Like

Detection

K-Best

MBF-FD(SD)

SISO MMSE PIC

MMF-LSD

K-Best

Modified K-Best

MPED based K-Best

Domain

Complex

Complex

Real

Complex

Complex

Real

Real

Complex

Complex

K-value

N/A

N/A

5-64

N/A

N/A

N/A

10

10

8

Process size

90 nm

45 nm

65 nm

0.13 µm

90 nm

0.18 µm

0.13 µm

0.13 µm

0.13 µm

fmax (MHz)

250

574.7

158

198

568

250

282

417

435

Throughput (Mb/s)

90

215

732 - 100

285 - 431

757

31.7 - 146.3

675

1000

1100

Gate count (kG)

96

33.1

1760

350

410

25.4 - 48.2

114

340

328

NHE

1.6

0.45

4.81 - 35.2

1.23 - 0.81

0.78

0.58 - 0.24

0.17

0.34

0.3

Energy/bit

N/A

N/A

N/A

N/A

250 PJ/b

N/A

200 pJ/b

110 pJ/b

100 pJ/b

Power (mW)

N/A

N/A

165

57-74

189.1

57-90

135

1700

1684

Latency (µs)

N/A

N/A

N/A

N/A

N/A

N/A

0.6

0.36

0.27

Hard/soft

Soft

Soft

Hard

Soft

Soft

Soft

Hard

Hard

Hard