EURASIP Journal on Embedded Systems

Table 1 Performance of an LDPC decoder for IEEE 802.11n with 12 iterations: and MHz.

From: Techniques and Architectures for Hazard-Free Semi-Parallel Decoding of LDPC Codes

Code lenght
Code rate


Original		2299	1763	1779	1486	2106	1715	1886	1653	2107	1775	1752	1603
		91	46	47	22	81	46	60	43	77	47	48	41
	idling %	47%	31%	31%	17%	46%	32%	38%	31%	44%	31%	32%	30%
	(Mbps)	101	176	197	262	74	121	124	157	111	175	200	243
EOP		1927	1691	1575	1462	1819	1643	1527	1377	1855	1691	1538	1352
		60	40	30	20	57	40	30	20	56	40	30	20
	idling %	37%	28%	23%	16%	37%	29%	23%	17%	36%	28%	23%	17%
	(Mbps)	121	184	222	266	85	126	153	188	126	184	228	288
ROP		1308	1216	1290	1403	1223	1168	1239	1330	1283	1228	1243	1305
		8	0	6	15	7	0	6	16	8	1	5	16
	idling %	7.3%	0%	5.5%	13%	6.8%	0%	5.5%	14%	7.4%	1%	4.8%	14%
	(Mbps)	178	256	271	277	127	178	188	195	182	253	282	298
UOP		1308	1216	1243	1380	1187	1168	1195	1260	1259	1216	1195	1164
		8	0	2	13	4	0	2	10	6	0	1	4
	idling %	7.3%	0%	1.9%	11%	4%	0%	2%	9.3%	5.6%	0%	0.9%	4%
	(Mbps)	178	256	282	282	131	178	195	206	185	256	293	334

Back to article page