Title :
Wavelets for waveform coding of digital symbols
Author :
Gandhi, Prashant P. ; Rao, Sathyanarayan S. ; Pappu, Ravikanth S.
Author_Institution :
Texas Instrum. Inc., Dallas, TX, USA
fDate :
9/1/1997 12:00:00 AM
Abstract :
A wavelet-based coder-decoder (codec) structure is defined for baseband waveform coding. Numerical results for bandwidth efficiency are given, and a comparison between several different wavelets is presented. Moreover, it is shown that wavelets obey the Nyquist pulse shaping condition and provide a unified framework for analog pulse shaping concepts of communications
Keywords :
Nyquist criterion; codecs; transform coding; wavelet transforms; Nyquist pulse shaping condition; analog pulse shaping concepts; bandwidth efficiency; baseband waveform coding; codec; digital symbols; wavelet-based coder-decoder; Algorithm design and analysis; Design methodology; Filter bank; Finite impulse response filter; Image coding; Image reconstruction; Lagrangian functions; Signal processing; Signal processing algorithms; Speech processing;
Journal_Title :
Signal Processing, IEEE Transactions on
