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Code division multiple-access techniques in optical fiber networks. II. Systems performance analysis

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2 Author(s)
Salehi, J.A. ; Bell Commun. Res., Morristown, NJ, USA ; Brackett, C.A.

For pt.I see ibid., vol.37, no.8, p.824-33 (1989). In Part I a technique based on optical orthogonal codes was presented to establish a fiber-optic code-division multiple-access (FO-CDMA) communications system. The results are used to derive the bit error rate of the proposed FO-CDMA system as a function of data rate, code length, code weight, number of users, and receiver threshold. The performance characteristics for a variety of system parameters are discussed. A means of reducing the effective multiple-access interference signal by placing an optical hard-limiter at the front end of the desired optical correlator is presented. Performance calculations are shown for the FO-CDMA with an ideal optical hard-limiter, and it is shown that using an optical hard-limiter would, in general, improve system performance

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Communications, IEEE Transactions on  (Volume:37 ,  Issue: 8 )