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Tehnika
2014, vol. 69, br. 2, str. 267-274
jezik rada: srpski
vrsta rada: pregledni članak
doi:10.5937/tehnika1402267M


Izračunavanje verovatnoće greške po simbolu na bazi MGF metode korišćenjem Rician feding kanala za MFSK modulaciju
aInstitut za telekomunikacije i elektroniku / IRITEL, Beograd
bUniverzitet u Beogradu, Mašinski fakultet

Projekat

Multiservisna opticka transportna platforma OTN10/40/100 Gbps sa DWDM/ROADM i Carrier Ethernet funkcionalnostima (MPNTR - 32007)

Sažetak

U ovom radu se analizira verovatnoća greške po simbolu za M-arnu ne-koherentnu frekvencijsku modulaciju (M-ary Frequency Shift Keying, MFSK) signala u ambijentu frekvencijsko-neselektivnog sporog Rician fadinga i prijemnika zasnovanog na tehnici kombinovanja maksimalnog odnosa (Maximal Ratio Combining, MRC). Verovatnoće greške po simbolu su dobijene na osnovu numeričkog izračunavanja baziranog na funkciji generisanja momenta (Moment Generating Function, MGF). Pretpostavlja se da je informacija na prijemnoj strani kanala poznata. Analiza verovatnoće greške po simbolu za MFSK modulacionu tehniku izvršena je za različite vrednosti Rician faktora K, diverziti reda N i nivoa modulacije M.

Ključne reči

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