Design and performance analysis of novel signature code in two-dimensional optical CDMA systems

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http://eprints.org/relation/isVersionOf http://etheses.bham.ac.uk/id/document/20136 http://eprints.org/relation/isVolatileVersionOf http://etheses.bham.ac.uk/id/document/20136 http://eprints.org/relation/isIndexCodesVersionOf http://etheses.bham.ac.uk/id/document/20136 archive 4031 disk0/00/00/33/93 2012-06-11 13:51:50 2019-01-23 09:56:11 2012-06-11 13:51:50 thesis show 0 Zhang Mengsu Ghafouri-Shiraz H. University of Birmingham Design and performance analysis of novel signature code in two-dimensional optical CDMA systems unpub QA75 T1 TK 10col_ephy As a scheme of multiple access, Optical Code Division Multiple Access (OCDMA) technology has many outstanding advantages such as large capacity, high security and excellent anti-interference ability, which make OCDMA a forefront topic of research in all-optic access networks. In this thesis, we introduce OCDMA technology in detail, especially 2-Dimensional (2D) OCDMA system. A novel signature code named nMPHC (new-Modified Prime-Hop Code) is designed for 2D system and its performance is analyzed in different system configurations under various circumstances against two similar-structured codes named PHC (Prime-Hop Code) and MPHC (Modified Prime-Hop Code). Results show that nMPHC can reduce the same amount of system complexity by decreasing less supported users than MPHC and nMPHC outperforms MPHC in most cases, it is proved that nMPHC is a good candidate for future 2D OCDMA system. 2012-07 2012-03 graduation eng author unchecked This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder. public 115 University of Birmingham School of Engineering, Department of Electronic, Electrical and Systems Engineering m_ph na 2012-07 graduation