Table 1: Comparison of Q-Factor at different fiber length for different dispersion compensation techniques.

LENGTH (Km)	DCF PRE	FBG PRE	DCF POST	FBG POST	DCF SYMM	FBG SYMM
5	45.2005	223.822	78.462	260.772	80.2322	320.738
10	24.390	109.517	50.0041	109.315	60.2839	269.221
15	14.714	56.2247	47.3037	61.8682	12.1566	126.435
20	20.288	25.3462	20.988	32.5762	7.9788	78.5257
25	17.036	19.9368	9.76486	24.5826	6.17394	53.4323
30	20.223	8.6172	9.70943	24.217	5.97851	33.3471