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Licensed Unlicensed Requires Authentication Published by De Gruyter August 24, 2018

Performance Estimation of Advanced Intensity Modulation Formats Using Hybrid SAC-OCDMA through IsOWC Channel

Himali Sarangal, Simrandeep Singh Thapar, Paramjot Singh, Isha Sharma and Harmandar Kaur


Spectral amplitude coding optical code division multiple access (SAC-OCDMA) is one of the most important multiplexing schemes of OCDMA that has turned out to be a stimulating investigating area in optical communication due to its increased privacy, network capacity and its flexibility in allocating the channels and asynchronous environment. On the other hand, Inter-satellite optical wireless communication (IsOWC) which is a favorable area of research in optical communication is useful for bursty transmissions and long-distance communications. In this paper, we have designed a hybrid SAC-OCDMA system through IsOWC channel using ZCC code for advanced intensity modulation formats (CSRZ, Db, and AMI). The investigation is done for four users at a bit rate of 40(4×10) Gb/s using a direct detection technique. Further, on comparing the proposed system using advanced intensity modulation formats, the result shows that system using CSRZ format is better in terms of BER, Q-factor, SNR and the eye diagram with respect to AMI and Db.


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Received: 2018-05-25
Accepted: 2018-08-14
Published Online: 2018-08-24
Published in Print: 2021-04-27

© 2018 Walter de Gruyter GmbH, Berlin/Boston