5Futaki H, Ohtsuki T. Low-density parity-check (LDPC) coded OFDM systems with M-PSK[A]. IEEE VTC2002[C]. 2002. 1035-1039.
6Chow P, et al. A practical discrete multitone transceiver loading algorithm for data transmission over spectrally shaped channels[J]. IEEE Trans. Comm., 1995, 43: 773-775.
7Bansal P, Brzezinski A. Adaptive loading in MIMO/OFDM systems[OL]. http://web.mit.edu/brzezin/www/359/359.pdf
8Li Y. Pilot-symbol-aided channel estimation for OFDM in wireless systems[J]. IEEE Trans. Vech.Technol., 2000, 49: 1207-1215.
9Proakis J G. Digital Communications[M]. 4th Editions. Prentice Hall, 2003.