NDLI: Performance of packet-switched fiber-optic frequency-hopping multiple-access networks

Content Provider	IEEE Xplore Digital Library
Author	Kiasaleh, K.
Copyright Year	1972
Abstract	A packet-switched frequency-hopping multiple-access (FO-FHMA) communication system based on bus topology is proposed and investigated. In this arrangement, access to the optical medium for the network subscribers is provided via frequency-hopping (FH). The proposed FH technique in this analysis takes advantage of the Reed-Solomon (RS) codes to encode information packets and, consequently, to combat possible burst errors at the receiver. At user locations, encoded subpackets are frequency-hopped with the aid of a phase modulator, using a preassigned FH pattern for transmission over the optical medium. At the receiver site, a balanced phase discriminator/detection device followed by a frequency-dehopping receiver is used to recover the desired information. An alternative receiver structure, where the received signal is heterodyned prior to dehopping, is also proposed. The implications of this coherent detection are consequently discussed. Performance measures in terms of throughput and probability of incorrect decoding for chip synchronous model with asynchronous transmission characteristic in the absence of side information are obtained to assess the viability of the proposed packet-switched fiber-optic multiple-access communication system. Numerical results are presented when short RS codes are utilized as FH assignment codes.<>
Starting Page	2241
Ending Page	2253
Page Count	13
File Size	1464294
File Format	PDF
ISSN	00906778
Volume Number	43
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency Optical receivers Optical fiber communication Optical mixing Optical packet switching Network topology Optical fiber networks Information analysis Reed-Solomon codes Phase modulation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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