386 search results - page 49 / 78 » Achievable Rates for the Gaussian Interference Relay Channel |
TWC
2008
13 years 7 months ago
2008
Wireless relays extend coverage, improve spectral efciency, and enhance reliability and rates of wireless cellular communication systems. In this work, we introduce the fundamental...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— This paper describes a combined modulation scheme for time hopping ultra wideband (TH-UWB) radio systems using on-off keying (OOK) and pulse shape modulation (PSM). For this sc...
WIOPT
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Future mobile communications systems demand for higher data rates and service quality compared to state-of-the-art systems. One way to achieve this ambitious goal is to use rel...
GLOBECOM
2009
IEEE
13 years 5 months ago
2009
IEEE
Abstract--Cooperative communications have been demonstrated to be effective in combating the multiple fading effects in wireless networks, and improving the network performance in ...