109 search results - page 11 / 22 » Optimal transmission strategies for rayleigh fading relay ch... |
TCOM
2010
13 years 5 months ago
2010
Bidirectional relaying is a promising approach to improve the performance in wireless networks such as sensor, ad-hoc, and even cellular systems. Bidirectional relaying applies to...
TWC
2011
13 years 2 months ago
2011
In cognitive radio networks, each cognitive transmission process typically requires two phases: the spectrum sensing phase and data transmission phase. In this paper, we investiga...
VTC
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract— Channel estimation (CE) plays an important role in determining the achievable performance of coherently detected communications systems. In this paper, the impact of im...
JSAC
2008
13 years 6 months ago
2008
The problem of transmitting a Gaussian source over a half-duplex fading relay channel with limited channel state feedback is studied. It is shown that under a short-term power cons...
DCC
2007
IEEE
14 years 7 months ago
2007
IEEE
We study the problem of maximizing the expected rate over a slowly fading channel with quantized channel state information at the transmitter (CSIT). This problem has been recentl...