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ICC
2009
IEEE
14 years 4 months ago
2009
IEEE
A graph-based framework for dynamic fractional frequency reuse (FFR) in multi-cell OFDMA networks is proposed in this work. FFR is a promising resource allocation technique that c...
ICC
2009
IEEE
14 years 4 months ago
2009
IEEE
Relay selection for cooperative communications has attracted considerable research interest recently. While several criteria have been proposed for selecting one or more relays an...
ICC
2009
IEEE
14 years 4 months ago
2009
IEEE
Relays play an important role for increasing rate and reducing energy consumption of wireless networks. In this paper we consider a three-node network (source, relay, destination)...
ICC
2009
IEEE
14 years 4 months ago
2009
IEEE
In this paper, we are concerned with a two-hop multi-input-multi-output (MIMO) amplify-andforward (AF) relay system consisting of a source node (SN), a relay node (RN), and a dest...
ICEIS
2009
IEEE
14 years 4 months ago
2009
IEEE
We propose two methods for constructing automated programs for extraction of information from a class of web pages that are very common and of high practical significance - varia...