25 search results - page 3 / 5 » Power and Bandwidth Allocation in Cooperative Dirty Paper Co... |
INFOCOM
2010
IEEE
13 years 3 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
TCOM
2010
13 years 3 months ago
2010
— Mobile users with single antennas can still take advantage of spatial diversity through cooperative space-time encoded transmission. In this paper, we consider a scheme in whic...
PIMRC
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract-- Due to the limited energy supplies of nodes in wireless networks, achieving energy efficiency is crucial for extending the lifetime of these networks. Thus, we study eff...
VTC
2010
IEEE
13 years 3 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...
CODES
2001
IEEE
13 years 8 months ago
2001
IEEE
Most research to date on energy minimization in DSP processors has focuses on hardware solution. This paper examines the software-based factors affecting performance and energy co...