91 search results - page 8 / 19 » Blind noise variance estimation for OFDMA signals |
104
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TWC
2010
14 years 6 months ago
2010
In this paper, we consider the problem of spectrum sensing by using multiple antenna in cognitive radios when the noise and the primary user signal are assumed as independent compl...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
We present a method for the removal of noise including nonGaussian impulses from a signal. Impulse noise is removed jointly a homogenous Gaussian noise floor using a Gabor regres...
96
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GLOBECOM
2006
IEEE
15 years 5 months ago
2006
IEEE
Abstract— This paper deals with the problem of blind multiuser detection in multirate direct-sequence code division multiple access (DS-CDMA). Direct-Sequence Spread Spectrum (DS...
GLOBECOM
2006
IEEE
15 years 5 months ago
2006
IEEE
— The optimum detection of binary antipodal signals in additive white Gaussian noise (AWGN) channels with Gaussian channel estimation error has been studied in prior work. In thi...
ICIP
2005
IEEE
16 years 1 months ago
2005
IEEE
Signal processing using over-complete representations has been an active research field in recent years. In this article, we study the following two related problems: (1) given tw...