691 search results - page 42 / 139 » Communicating Under Channel Uncertainty |
GLOBECOM
2008
IEEE
13 years 9 months ago
2008
IEEE
In this paper, we first provide a joint source and channel coding (JSCC) approach in estimating Gaussian sources over Gaussian MAC channels, as well as its sufficient and necessary...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
A Gaussian interference channel (IC) with a relay is considered. The relay is assumed to operate over an orthogonal band with respect to the underlying IC, and the overall system i...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract--Proper admission control in cognitive radio networks is critical in providing QoS guarantees to secondary unlicensed users. In this paper, we study the admission control ...
VTC
2008
IEEE
14 years 3 months ago
2008
IEEE
— In this paper, a novel signal perturbation free transmit scheme is proposed for MIMO channel estimation. A perturbation analysis of the WR-based method is first conducted, sho...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
With the employment of cognitive radio technology, dynamic spectrum management has the potential to solve the underused spectrum problem. In this paper, we introduce and compare tw...