Chun Cheung, Roger S. Cheng. Adaptive Modulation in Frequency Spreading OFDM System with Low Transmit Power Spectral Density Constraint. In IEEE Wireless Communications and Networking Conference, WCNC 2007, Hong Kong, China, 11-15 March, 2007. pages 1433-1438, IEEE, 2007. [doi]
Abstract is missing.