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Sensitivity degradation of conventional and balanced 3*3 port phase diversity DPSK receivers due to thermal and local oscillator intensity noise

: Patzak, E.; Lancenhorst, R.

Electronics Letters 25 (1989), No.8, pp.545-7
ISSN: 0013-5194
Journal Article
Fraunhofer HHI ()
digital communication systems; diversity reception; error statistics; optical communication equipment; phase shift keying; random noise; receivers; sensitivity analysis; thermal noise; bit error rate; digital transmission; conventional 3*3 port type; ber characteristics; balanced 3*3 port type; performance comparison; optical communications; phase diversity; dpsk receivers; local oscillator intensity noise; balanced configuration; gaussian approximation

The authors propose a balanced configuration for a 3*3 port phase diversity optical receiver. The performance of this receiver is compared with the conventional 3*3 port receiver. Since exact solutions are derived, a comparison of these with the Gaussian approximation is given.