A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Kaur, Harmandar
- Performance Analysis of Hybrid Dispersion Compensation Technique with Different Filters on 40 Gbps DWDM System
Authors
Source
Wireless Communication, Vol 8, No 6 (2016), Pagination: 227-232Abstract
DWDM (Dense Wavelength Division Multiplexing) is a fibre optic technology that can transmit multiple information streams simultaneously over a one fibre. The main focus of this paper on to implementation of 40 Gbps Dense Wavelength Division Multiplexing (DWDM) system with different filters (Bessel, Gaussian, Raised cosine filter) modulation format (NRZ) and mixed compensation (combination of all Pre, Post and symmetrical compensations) at same bit rate 40 Gbps with the standard and DCF(Dispersion Compensated Fibre) on the basis of Q-factor, eye –diagram and bit error rate for fixed gain EDFA and but length increases in both type of fibres SMF, DCF. On the basic comparison of that Symmetrical compensation Gives better results as compared to pre and post compensation schemes so in this paper main focus on mixed compensation and achieve better results even at high bit rate 40Gbps using various filters the best filter is Low Pass Bessel filter its transmission distance is 720 km with BER 10-16 and Q factor 7.96 with NRZ format.
Keywords
BER, Dense Wavelength Division Multiplexing, DCF, EDFA, MZI, NRZ Format, PIN, Filters, Q-Factor.
- Simulative Study on the Effects of Different Parameters in Polarization Interleaved 128 User Is-OWC System
Authors
1 GNDU R.C., Jalandhar, IN
Source
Wireless Communication, Vol 9, No 5 (2017), Pagination: 101-104Abstract
In this paper, the simulative study of varying different parameters on polarization interleaved 128 users DWDM system has been studied for Inter-satellite-Optical Wireless Communication. Is-OWC is a method to link two satellites revolving in space together by utilizing optical signals. Phase modulation DQPSK has been incorporated with DWDM systems. Polarization interleaving helps to reduce inter-channel interference between channels of DWDM system. It has also been incorporated in the proposed system. The effects of varying propagation delay, antenna aperture diameters, Optic efficiencies of transmitter and receiver ends has been studied here. Performance parameters like Q, BER and SNR have been considered for analysis of proposed system.
Keywords
DWDM, Is-OWC, DQPSK, Polarization Interleaving.References
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