57 search results - page 8 / 12 » Energy-Efficient Transmission in Frequency-Selective Channel... |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, training design is studied for a single relay amplify-and-forward cooperative network. The taps of the frequency selective channels are assumed to be correlated and...
PIMRC
2010
IEEE
13 years 5 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...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
We examine the application of current research in sparse signal recovery to the problem of channel estimation. Specifically, using an Orthogonal Frequency Division Multiplexed (O...
CORR
2010
Springer
13 years 2 months ago
2010
Springer
One of the main issues in the design of sensor networks is energy efficient communication of time-critical data. Energy wastage can be caused by failed packet transmission attempts...
PIMRC
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--Vandermonde-subspace frequency division multiplexing (VFDM) is a technique for interference cancellation in overlay networks that allows a secondary network to operate si...