Table 5: Comparison of Q-Factor at different input bit rate for different dispersion compensation techniques.

BIT RATE	DCF PRE	FBG PRE	DCF POST	FBG POST	DCF SYMM	FBG SYMM
2.5	50.5586	244.016	102.513	181.765	107.384	764.05
5	29.307	160.285	61.3955	133.87	63.9906	398.234
10	24.3904	109.517	50.0041	109.315	60.2869	269.221
20	11.4093	28.54	17.2627	35.0933	9.2257	14.3201
30	3.32346	10.8868	10.1764	6.50373	7.7794	3.48195
40	3.10637	3.24516	6.39088	2.89819	4.18212	1.92539