Novel Receiver Architecture for LTE-A Downlink Physical Control Format Indicator Channel with Diversity

Table 2

Performance of proposed architectures based on folding and superscalar method.

Diversity	Method	Multipliers	Adders	DSP; elements	LUTs	Total delay; (ns)	Speed; (MHz)	Dynamic; power
SISO	Direct	125	245	125	5479	39.081	25.587	—
	Folding (16T)	8	81	16	2561	114.448	8.737	84
	Superscalar (4T)	32	182	66	2731	69.333	14.423	93
SIMO	Direct	250	494	250	10942	40.278	24.827	—
	Folding (16T)	16	165	32	5117	130.704	7.651	159
	Superscalar (4T)	64	318	130	5623	53.873	18.562	170
MISO	Direct	224	580	594	14880	43.023	23.243	—
	Folding (16T)	14	101	39	3950	255.264	3.917	173
	Superscalar (6T)	96	338	196	6156	80.495	12.423	208
MIMO	Direct	320	844	675	17380	56.962	17.555	—
	Folding (16T)	20	155	46	4395	256.528	3.898	374
	Superscalar (6T)	160	465	262	6932	85.822	11.652	382