Performance Analysis of Multiple User Optical Code Division Multiple Access
نویسندگان
چکیده
منابع مشابه
Performance Analysis of Multiple User Optical Code Division Multiple Access
In this paper, we discuss and analyze an optical code division multiple access for multiple user system. Media access control implementation has been considered. For fulfilling the huge need of bandwidth services, technology tends to move to optical networks and three major optical systems come into existence. Code division of the optical network is most used and real concept interacted with us...
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With the concept of 3G services OCDMA is one of the important technology, that provides a very high speed communication. In this technology multiple users can communicate simultaneously to transfer different kind of data. OCDMA enables the best use of available bandwidth and the spectrum to represent a cost efficient network. But in a network there is always the requirement to increase the secu...
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The optical code division multiple access (optical CDMA) systems is a versatile multiple access technique as compared to time division multiple access (TDMA) and wavelength division multiple access (WDMA). In optical CDMA, the users are assigned unique codes whereas the WDMA and TDMA systems users are assigned different wavelengths or time slots so as to distinguish the data recovered at the re...
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1 CDMA Concept 4 1.1 Basic Principles of Spread Spectrum . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1.1 Direct Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1.2 Frequency Hopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1.3 Time Hopper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.1.4 Hybrid Systems . ....
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Optical code division multiple access system (OCDMA) exploits the advantages of CDMA and Optical communication. It has been gaining importance with increasing demands of high speed and large capacity for communication in optical networks. OCDMA encoding/decoding process provides a high level of security which is directly implemented in the physical layer. In OCDMA, type of coding technique play...
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ژورنال
عنوان ژورنال: Optics and Photonics Journal
سال: 2014
ISSN: 2160-8881,2160-889X
DOI: 10.4236/opj.2014.42004