DEVICE AND METHOD FOR PERFORMING COMMUNICATION IN A VARIABLE BAND

Title:

DEVICE AND METHOD FOR PERFORMING COMMUNICATION IN A VARIABLE BAND

Document Type and Number:

WIPO Patent Application WO/2007/148584

Kind Code:

A1

Abstract:

A transmission device includes: mapping means for converting data to be transmitted into a data group correlated to respective sub-carriers; inverse Fourier transform means for converting the data group into a time series signal; and means for creating a transmission symbol for radio transmission from the time series signal. The mapping means correlates data to be transmitted to a sub-carrier different from predetermined sub-carriers positioned at an identical interval on a frequency axis. De-mapping means of a reception device outputs the data correlated with a sub-carrier different from the predetermined sub-carriers positioned at an identical interval on the frequency axis, as data for restoration.

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Inventors:

KISHIYAMA YOSHIHISA (JP)
HIGUCHI KENICHI (JP)

Application Number:

PCT/JP2007/061932

Publication Date:

December 27, 2007

Filing Date:

June 13, 2007

Export Citation:

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Assignee:

NTT DOCOMO INC (JP)
KISHIYAMA YOSHIHISA (JP)
HIGUCHI KENICHI (JP)

International Classes:

H04J11/00

Foreign References:

JP2003249908A	2003-09-05
JP2005151481A	2005-06-09
JP2001313628A	2001-11-09
JP2006157421A	2006-06-15
JP2006169450A	2006-06-29

Other References: