Adaptive Modulation in Frequency Spreading OFDM System with Low Transmit Power Spectral Density Constraint.
Chun CheungRoger S. ChengPublished in: WCNC (2007)
Keyphrases
- ofdm system
- modulation scheme
- power spectral density
- estimation algorithm
- recursive least squares
- spectral analysis
- fourier transform
- wireless communication
- multipath
- orthogonal frequency division multiplexing
- frequency band
- fading channels
- bit error rate
- low frequency
- power spectrum
- prediction error
- multiresolution
- multiscale
- communication systems
- frequency domain