A System View on Iterative MIMO Detection: Dynamic Sphere Detection versus Fixed Effort List Detection

Table 1

ASIC implementations of recently reported MIMO detectors.

Publication	[3]	[4]	[5]	[6]	[7]	[8]
Algorithm	Hard-output	Soft-output	SISO	Soft-output	Hard-output	SISO
	sphere decoder	STS-SD	STS-SD	MBF-FD	K-best	MMSE-PIC
Antenna	4×4	4×4	4×4	8×8	4×4	4×4
Modulation	16-QAM	16-QAM	16-QAM	64-QAM	64-QAM	64-QAM
Iterative decoding	no	no	yes	no	no	yes
Constant throughput	no	no	no	no	yes	yes
Technology	250 nm	250 nm	90 nm	130 nm	130 nm	90 nm
Clock frequency	71 MHz	71 MHz	250 MHz	198 MHz	138 MHz	568 MHz
Core area	50 KG	57 KG	96 KG	350 KG	491 KG	410 KG
Max. throughput	169 Mbit/s	70 Mbit/s	72 Mbit/s	429 Mbit/s	1200 Mbit/s	757 Mbit/s
Power consumption	—	—	—	58.2 mW	185 mW	189.1 mW