Code performance in multi-rate CDMA for an optical fiber network

Author

Hamelin, é ; Fortier, P. ; Rusch, L.A.

Author_Institution

Dept. of Electr. & Comput. Eng., Laval Univ., Que., Canada

Volume

1

fYear

1997

fDate

25-28 May 1997

Firstpage

90

Abstract

We have developed analytical expressions for the cross-correlation between users at unequal bit rates (chip rates are equal), i.e. for multi-rate (multi-processing gain) CDMA high bandwidth LAN. These expressions for the cross-correlations were used to generate data for Gold and Kasami sequences. The results of our calculations show that Gold and Kasami sequences´ cross-correlation performance in a multi-rate scheme is very close to the performance calculated when assuming random sequences

Keywords

Gaussian noise; code division multiple access; correlation methods; optical fibre LAN; performance evaluation; phase shift keying; pseudonoise codes; spread spectrum communication; white noise; DS-CDMA; Gold sequences; Kasami sequences; code performance; cross-correlation performance; deterministic pseudorandom code sequences; high bandwidth LAN; homodyne coherent detection; multi-rate scheme; optical fiber network; random sequences; unequal bit rates; Bandwidth; Bit rate; Costs; Gold; Intelligent networks; Local area networks; Multiaccess communication; Optical fiber networks; Pulse shaping methods; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical and Computer Engineering, 1997. Engineering Innovation: Voyage of Discovery. IEEE 1997 Canadian Conference on

Conference_Location

St. Johns, Nfld.

ISSN

0840-7789

Print_ISBN

0-7803-3716-6

Type

conf

DOI

10.1109/CCECE.1997.614797

Filename

614797