Beginning Visual Basic 2005 Published b Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright 2006 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada
OFDM Systems (N subcarriers) Frequency Available bandwidth is divided into N B subband.Each symbol△f (1kHz) occupies a narrow band but longer time Time