Title :
AMI-CPFSK heterodyne transmission experiment using a novel delay-line demodulation method
Author :
Tsushima, H. ; Sasaki, Seishi ; Kitajima, S. ; Kuboki, K. ; Uomi, K.
Author_Institution :
Hitachi Ltd., Tokyo, Japan
Abstract :
A novel delay-line demodulation method is proposed that can directly convert an AMI-CPFSK signal into a NRZ baseband signal. A pattern-independent 622 Mbit/s CPFSK heterodyne transmission experiment for a fibre span of 121 km is demonstrated by using AMI line coding and the proposed demodulation method.
Keywords :
demodulation; encoding; frequency shift keying; optical communication; 121 km; 622 Mbit/s; AMI line coding; AMI-CPFSK signal; NRZ baseband signal; alternate mark inversion; continuous phase FSK; delay-line demodulation method; demodulation; fibre span; heterodyne transmission experiment; optical fibre links; pattern independent transmission;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900817
