Title :
LDPC coded OFDM modulation for high spectral efficiency transmission
Author :
Yang, Chih-Yuan ; Ku, Mong-Kai
Author_Institution :
Dept. of Comput. Sci. & Inf. Eng., Nat. Taiwan Univ., Taipei
Abstract :
This paper investigates efficient low-density parity-check (LDPC) coded orthogonal frequency division multiplexing (OFDM) modulation schemes for fixed wireless application. We use partially LDPC coded with double gray code labeling technique and Reed-Solomon code with LDPC Coded Modulation (RS-LCM) to achieve better performance than the conventional LDPC bit-interleaved coded modulation (BICM) scheme. RS-LCM scheme outperforms BICM scheme by 0.4 dB at a BER of 10-5.
Keywords :
Gray codes; OFDM modulation; Reed-Solomon codes; parity check codes; LDPC coded OFDM modulation; Reed-Solomon code; double gray code labeling technique; high spectral efficiency transmission; low-density parity-check code; orthogonal frequency division multiplexing; wireless application; Bit error rate; Decoding; Digital video broadcasting; Fading; Interleaved codes; Labeling; Modulation coding; OFDM modulation; Parity check codes; Proposals; LDPC coded modulation (LCM); Low-density parity-check (LDPC) code; RS-LCM; bit-interleaved coded modulation (BICM); coded modulation; orthogonal frequency division multiplexing (OFDM);
Conference_Titel :
Circuits and Systems for Communications, 2008. ECCSC 2008. 4th European Conference on
Conference_Location :
Bucharest
Print_ISBN :
978-1-4244-2419-1
Electronic_ISBN :
978-1-4244-2420-7
DOI :
10.1109/ECCSC.2008.4611693
