Title :
FH/MFSK lump likelihood ratio decision method and its application for PLC
Author :
Tachikawa, Shin ; Maeda, Takuma
Author_Institution :
Dept. of Electr. Eng., Nagaoka Univ. of Technol., Niigata
Abstract :
This paper presents a novel method of frequency hopping/ multilevel FSK (FH/MFSK) pattern by lump likelihood ratio calculation decision and its application for power line communication (PLC). In the method, the whole likelihood ratio value from both time-axis and frequency-axis together is calculated for coherent detection or non-coherent detection, and the desirable value can be obtained against a fluctuated transmission line. Applying for high frequency PLC, it is shown bit error rate (BER) of the system by the proposed method can be much improved to compare with that by the conventional decision methods for coherent detection or non-coherent detection.
Keywords :
carrier transmission on power lines; error statistics; frequency hop communication; bit error rate; frequency hopping; lump likelihood ratio calculation decision; multilevel FSK; noncoherent detection; power line communication; Bit error rate; Fast Fourier transforms; Frequency diversity; Frequency domain analysis; Frequency shift keying; Iterative methods; Power system modeling; Power transmission lines; Programmable control; Spread spectrum communication; frequency hopping (FH); high frequency power line; lump likelihood ratio; multilevel FSK (MFSK);
Conference_Titel :
Power Line Communications and Its Applications, 2008. ISPLC 2008. IEEE International Symposium on
Conference_Location :
Jeju city, Jeju Island
Print_ISBN :
978-1-4244-1975-3
Electronic_ISBN :
978-1-4244-1976-0
DOI :
10.1109/ISPLC.2008.4510431
