Title :
Log-likelihood metric for LDPC coded BDPSK-OFDM transmission
Author :
Cao, Shengjiao ; Kam, Pooi-Yuen ; Yu, Changyuan
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
We investigate the performance of LDPC codes with BDPSK-OFDM modulation over the AWGN channel with unknown carrier phase. The proposed A-TSOI-LLR metric is performing better and more tolerant to SNR estimation error than the Gaussian metric.
Keywords :
AWGN channels; OFDM modulation; differential phase shift keying; optical fibre networks; parity check codes; A-TSOI-LLR metric; AWGN channel; LDPC-coded BDPSK-OFDM transmission; SNR estimation error; additive white Gaussian noise channels; binary differential phase shift keying; log-likelihood metric; low density parity check codes; orthogonal frequency division multiplexing; AWGN channels; Bit error rate; Measurement; OFDM; Parity check codes; Phase noise; Signal to noise ratio;
Conference_Titel :
Opto-Electronics and Communications Conference (OECC), 2012 17th
Conference_Location :
Busan
Print_ISBN :
978-1-4673-0976-9
Electronic_ISBN :
2166-8884
DOI :
10.1109/OECC.2012.6276422
