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Adaptive quantised feedback equalisation for FSK heterodyne transmission at 150 Mbit/s and 1 Gbit/s

: Enning, B.; Vodhanel, R.S.

Electronics Letters 24 (1988), No.7, pp.397-9
ISSN: 0013-5194
Journal Article
Fraunhofer HHI ()
digital communication systems; distributed feedback lasers; equalisers; frequency shift keying; optical communication equipment; semiconductor junction lasers; optical fibre links; feedback equalisation; fsk heterodyne transmission; adaptive quantised feedback equaliser; fsk heterodyne receiver; nonuniform frequency modulation response; dfb laser transmitter; fsk transmission experiments; fibre spans; 150 mbit/s; 1 Gbit/s; 121 km; 136 km

An adaptive quantised feedback equaliser has been used in an FSK heterodyne receiver to overcome the nonuniform frequency modulation response of a DFB laser transmitter in FSK transmission experiments at 150 Mbit/s and 1 Gbit/s with fibre spans of 121 km and 136 km, respectively.