The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 2015
Filed:
Jan. 06, 2012
Kijun Kim, Anyang-si, KR;
Byounghoon Kim, Anyang-si, KR;
Joonho Cho, Pohang-Si, KR;
Yeohun Yun, Pohang-Si, KR;
Byungwook Han, Pohang-Si, KR;
Kijun Kim, Anyang-si, KR;
Byounghoon Kim, Anyang-si, KR;
Joonho Cho, Pohang-Si, KR;
Yeohun Yun, Pohang-Si, KR;
Byungwook Han, Pohang-Si, KR;
LG Electronics Inc., Seoul, KR;
Postech Academy-Industry Foundation, Pohang-Si, Gyeongsangbuk-Do, KR;
Abstract
The present invention relates to a method for modulating a signal, which is a signal modulation method for data communication, and the method comprises the steps of: forming a data symbol sequence to which a symbol 0 having the overall length of N are added, by adding M−1 symbols 0 to each symbol of a data symbol sequence; performing an N-point fast Fourier transform for the data symbol sequence to which said symbols 0 are added; performing precoding for said fast-Fourier-transformed data symbol sequence; and forming a final transmission symbol sequence by performing an inverse fast Fourier transform for said precoded data symbol sequence. Further, the present invention relates to a transmitter which comprises: a symbol adding unit that forms a data symbol sequence to which the symbol 0 having the overall length of N is added, by adding M−1 symbols 0 to each symbol of a data symbol sequence; a fast Fourier transform unit that performs an N-point fast Fourier transform for the data symbol sequence to which said symbols 0 are added; a precoding unit that performs precoding for said fast-Fourier-transformed data symbol sequence; and an inverse fast Fourier transform unit that forms a final transmission symbol sequence by performing an inverse fast Fourier transform for said precoded data symbol sequence.