1.6 Tbps Inter-Satellite Optical Wireless System (IsOWS) Using Double Sidebands Suppressed (DSS) DP-QPSK

1.6 Tbps Inter-Satellite Optical Wireless System (IsOWS) Using Double Sidebands Suppressed (DSS) DP-QPSK
Author(s):
AMANDEEP KAUR, LOVKESH, GURMEET KAUR, MANDEEP KAUR
Keywords:
IsOWS, DSS, DP-QPSK, OFDM, EVMP
Abstract
Dual polarization in coherent multilevel modulations is capacity enhancing technique and is center of choice of the researchers for IsOWS communication. In proposed work, a high capacity i.e. 16 × 100 Gbps system is demonstrated over 16000 km IsOWS link using DSS dual polarization Quadrature phase shifting keying (DP-QPSK) modulation. For the suppression of sidebands in the DP-QPSK carrier spectrum, a null biased Mach-Zehndar modulator (MZM) is considered with input radio frequency (RF) in millimetre range (3 GHz- 300 GHz). Further, a comparison of QPSK, DP-QPSK, DP-QPSK with orthogonal frequency division multiplexed modulation (OFDM), and proposed DSS-DP-QPSK is performed to find out optimal technique for IsOWS systems. Investigation is conducted for evaluation of systems in terms of following parameters such as error vector magnitude percentage (EVMP), received power, and log BER. Results revealed that QPSK, DP-QPSK and DP-QPSK-CO-OFDM covered distance 13200 km, 14500 km, and 15600 km respectively but proposed system surpassed their performance and covered 16000 km successfully.
Article Details
Unique Paper ID: 154858 Publication Volume & Issue: Volume 8, Issue 12 Page(s): 834 - 840
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