Title :
On the optimum ring ratio determination for 16-DAPSK modulation in OFDM systems
Author :
Genc, Fatih ; Yengel, Emre ; Savascihabes, Asuman ; Ertug, Ozgur
Author_Institution :
Elektron. ve Haberlesme Muhendisligi Bolumu, Cankaya Univ., Ankara, Turkey
Abstract :
In this paper the multilevel modulation techniques of 16-Differential Amplitude Phase Shift Keying (16-DAPSK) with Orthogonal Frequency Division Multiplexing (OFDM) has been proposed with the optimum ring ratio in flat Rayleigh fading channel. By this way best Bit Error Rate (BER) performance is achieved in 16-DAPSK-OFDM systems. BER derivation and the proposed system simulation results show that optimum ring ratio is obviously different for flat Rayleigh fading channel than AWGN channel. It is concluded the proposed optimum ring ratio between [2.0, 2.6] can be a promising choice to achieve optimum BER performance for 16DAPSK-OFDM in flat Rayleigh fading channels.
Keywords :
OFDM modulation; Rayleigh channels; amplitude shift keying; error statistics; phase shift keying; 16-DAPSK modulation; 16-differential amplitude phase shift keying; BER derivation; OFDM systems; bit error rate performance; flat Rayleigh fading channel; multilevel modulation techniques; optimum ring ratio determination; orthogonal frequency division multiplexing; system simulation; Bit error rate; Conferences; Fading; OFDM; Phase shift keying; M-DAPSK; OFDM; Optimum Ring Ratio; Rayleigh Channel;
Conference_Titel :
Signal Processing and Communications Applications Conference (SIU), 2014 22nd
Conference_Location :
Trabzon
DOI :
10.1109/SIU.2014.6830336
