Wireless terminal apparatus, control method for wireless...

Details Wireless terminal apparatus, control method for wireless... Wireless terminal apparatus, control method for wireless...

2006-06-28

2010-02-09

Payne, David C (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S260000, C375S346000, C370S206000, C370S208000

Reexamination Certificate

active

07660370

ABSTRACT:
The present invention provides a wireless terminal apparatus, including a reception unit for receiving a multi-carrier signal generated by applying an N-point (where N is a natural number) inverse fast Fourier transform (IFFT) to a plurality of sub-carriers to which transmission information for a plurality of wireless terminal apparatuses is allocated; a fast Fourier transform unit for extracting a plurality of the sub-carriers from the multi-carrier signal; a thin-out unit, being placed at the front stage of the fast Fourier transform unit, capable of changing, from the N points, a sampling number of the multi-carrier signals which are digitalized; and a judgment unit for discerning, based on sub-carrier allocation information accompanying the multi-carrier signal, whether or not the sub-carrier of another wireless terminal apparatus overlaps with that of the wireless terminal apparatus itself in the case of changing the sampling number from the N points, and determining a sampling number for the thin-out unit.

REFERENCES:
patent: 6973395 (2005-12-01), Yoshizawa et al.
patent: 7397859 (2008-07-01), McFarland
patent: 2003/0081695 (2003-05-01), Eilts et al.
patent: 2005/0180313 (2005-08-01), Kim et al.
patent: 2007/0242600 (2007-10-01), Li et al.
patent: A-H11-346203 (1999-12-01), None
patent: A-2005-244958 (2005-09-01), None

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