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Effets de la dynamique des évanouissements sélectifs dans un égaliseur et une boucle de récupération de porteuse couplés
Olmos Bonafé, Juan José
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. GRCM - Grup de Recerca en Comunicacions Mòbils
The tracking behaviour of a decision-feedback equalizer coupled to a carrier recovery loop, in the presence of a dynamic multipath fading activity has been studied. Minimum phase¿non minimum phase type fading transitions with notch depth variation rates up to 120 dB/s, and fadings sweeping accross the signal band at 300 MHz/s have been considered. Free interaction between the two adaptive devices is allowed. Simulated tap gains are compared to those theoretically obtained in order to justify the observed rms error increase which can eventually lead to the system outage. The extra freedom degree arising in the recovered carrier seems not to disturb the correct behaviour of the coupled system.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Equalizers (Electronics)
Digital communications
Radio-relay link
Digital transmission
Equalizer
Equalitzadors (Electrònica)
Comunicacions digitals
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/publishedVersion
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