1W T Webb, R Steels. Variable Rate QAM for Mobile Radio [ J]. IEEE Trans Communicafiom, 1995.7, 43:2223 - 2230.
2Richard DJ Van Nee. OFDM for Wireless Multimedia Communications. Ramjee Prasad Artech House, 2000. 1.
3Hughes Hartogs. Ensemble Modem Structure for Imperfect Transmission Media. U.S. Patents Nos. 4679227 (July 1987), 4731846(March 1988) and 4833706(May 1989).
4A Czylwik. Adaptive OFDM for Wideband Radio Channels. Proc IEEE Global Telecommunications Conf. (GLOBECOM' 96), London, U.K., 1996.11.713-718.
5P S Chow, J M Ciofi, and J C Bingham. A Practical Discrete Multitone Transceiver Loading Algorithm for Data Transmission over Spectrally Shaped Chanels [ J ] . IEEE Transaedon on Communications, 43(2) :773 - 775.
6F F H Fischer and J B Huber. A New Loading Algorithm for Discrete Mulfitone Transmission [ J ]. IEEE Proc GLOBECOM' 96. London, England, 1996.11:724-728.
7Thomas Keller, Lajos Hanzo. Adaptive Modulation Techniques for Duplex OFDM Transmission [ J ]. IEEE Transaction on Vehicular Technology, 2000.9,49(5).