691 search results - page 79 / 139 » Communicating Under Channel Uncertainty |
GLOBECOM
2007
IEEE
14 years 24 days ago
2007
IEEE
In this contribution1 , we investigate the idea of using cognitive radio to reuse locally unused spectrum to increase the total system capacity. We consider a multiband/wideband sy...
TWC
2010
13 years 3 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...
DATE
2008
IEEE
14 years 3 months ago
2008
IEEE
Chip reliability becomes a great threat to the design of future microelectronic systems with the continuation of the progressive downscaling of CMOS technologies. Hence increasing...
GLOBECOM
2007
IEEE
14 years 3 months ago
2007
IEEE
— Block diagonalization is one approach for linear precoding in the multiple-input multiple-output broadcast channel that sends multiple interference free data streams to differe...
VTC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— This paper presents a methodology for determining the capacity of coherently detected continuousphase frequency shift keying (CPFSK) modulation under the constraints of...