Wireless communication device adopting OFDM modulation

Details Wireless communication device adopting OFDM modulation Wireless communication device adopting OFDM modulation

2011-08-16

2011-08-16

Ngo, Ricky (Department: 2464)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Quadrature carriers

C370S208000, C370S210000

Reexamination Certificate

active

08000222

ABSTRACT:
A wireless communication device includes a converting circuit, a discrete Fourier transformer, a separating circuit, a correcting unit. The converting circuit converts an analog signal having an in-phase component and a quadrature component into a digital signal having a real part and an imaginary part of complex number respectively. The discrete Fourier transformer converts the real part and the imaginary part of the digital signal obtained in the converting circuit from a time domain to a frequency domain. The separating circuit separates the digital signal into a first sum of a symmetrical component of the real part and an antisymmetrical component of the imaginary part of the digital signal and a second sum of the antisymmetrical component of the real part and the symmetrical component of the imaginary part of the digital signal. The correcting unit corrects a value of the second sum.

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patent: 6700515 (2004-03-01), Asami
patent: 7724162 (2010-05-01), Van de Sande et al.
patent: 2007/0071137 (2007-03-01), McCorkle
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patent: 2002-71723 (2002-03-01), None
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