78 search results - page 2 / 16 » A robust estimator and detector of circularity of complex si... |
ICC
2007
IEEE
13 years 12 months ago
2007
IEEE
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...
IBPRIA
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. The challenge of interest point detectors is to find, in an unsupervised way, keypoints easy to extract and at the same time robust to image transformations. In this pap...
ICC
2007
IEEE
13 years 12 months ago
2007
IEEE
— We focus on iterative detection for the uplink of a multi-carrier (MC) code division multiple access (CDMA) system based on orthogonal frequency division multiplexing (OFDM). T...
SIPS
2006
IEEE
13 years 11 months ago
2006
IEEE
Multiband orthogonal frequency-division multiplexing (MB-OFDM) systems employ frequencyhopping technology to achieve the capabilities of multiple access and frequency diversity. H...
TWC
2010
13 years 7 days 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...