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MASS
2010
14 years 7 months ago
2010
With the popularity of wireless devices and the increase of computing and storage resources, there are increasing interests in supporting mobile computing techniques. Particularly...
ICC
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...
GLOBECOM
2008
IEEE
14 years 11 months ago
2008
IEEE
— In this work, we consider differential modulation in two-way relay channels (TWRC). In single antenna systems, we propose non-coherent schemes for both amplify-and forward (AF)...
GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
— The optimum resource allocation is an important method to improve the error performance and energy efficiency of wireless relay networks. In this paper, we consider the resour...
IWCMC
2010
ACM
15 years 3 months ago
2010
ACM
Adaptive modulation can improve the throughput of cooperative communications, which has been shown in previous research. So far the adaptive modulation is applied with respect to ...