Frequency hopping ofdma method using symbols of comb pattern
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United States of America Patent
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Jun 2, 2009
Grant Date -
Apr 6, 2006
app pub date -
Nov 26, 2002
filing date -
Oct 26, 2002
priority date (Note) -
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Abstract
Method for providing frequency-hopping OFDMA using symbols of comb patter, the method including the steps of: a) assigning frequency domain signal X(k) of comb pattern (comb symbol, k is frequency index) to modulated data sequence, the comb symbol comprising predetermined number of sub carriers (sub carrier group) which are placed with predetermined interval in the whole available frequency band; b) getting the comb symbol hopped for the comb symbol to have independent frequency offset; and c) inverse fast fourier transforming the comb symbol to time domain signal x(n) (n is time index) and transmitting the signal.
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