PERFORMANCE EVALUATION OF 8 CHANNELS DWDM-PON NETWORK UNDER DIVERSE CONDITIONS

Abstract

This paper presents the performance evaluation of 8 channels (8X10 Gbps in downlink, 8X5Gbps in uplink) bidirectional DWDM-PON based network. The result demonstrates that at 10Gbps data rate (downstream), the bit error rate (BER) for user 1 & 8 (randomly selected) are 3.16e-14 and 1.57e-10, respectively. Similarly, at 5Gbps data rate (upstream), the BER for user 1 & 8 are 1.66e-20 and 2.331e-09, respectively. The QAM line coding has been proved to be the optimum format for downstream, whereas CRZ modulation format is optimum for upstream in the designed system. The impact of various design parameters and impairments has also been considered during performance optimization