NDLI: Variable Weight Optical Orthogonal Codes for Cdma Networks with Multiple Performance Requirements

Content Provider	IEEE Xplore Digital Library
Author	Guu-chang Yang
Copyright Year	1993
Description	Author affiliation: National Chung-Hsing University, Taiwan (Guu-chang Yang)
Abstract	An optical orthogonal code (OOC) is a collection of binary sequences with good auto- and cross-correlation properties; they were defined by Salehi and others as a means of obtaining code division multiple access (CDMA) on fiber optic networks. Up to now all work on OOC's have assumed that the weight of each codeword is the same. In this paper we develop bounds on the size of OOC'S when this assumption is removed. In addition, we demonstrate construction techniques for building such "variable weight" OOC'S. The results demonstrate that it is possible to assign codewords with different weights among the users. Changing the weight of a user's signature sequence affects that user's performance; therefore this approach is useful for CDMA fiber optic networks with multiule performance requirements among the users.
Starting Page	378
Ending Page	378
File Size	161429
Page Count	1
File Format	PDF
ISBN	0780308786
DOI	10.1109/ISIT.1993.748694
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-01-17
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fiber networks Multiaccess communication Autocorrelation Hamming weight Veins Binary sequences Buildings Personal communication networks Spread spectrum communication Interference
Content Type	Text
Resource Type	Article

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