247 search results - page 28 / 50 » Optimal wireless networks based on local channel state infor... |
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
—In many wireless ad-hoc networks it is important to find a route that delivers a message to the destination within a certain deadline (delay constraint). We propose to identify...
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
Coherent base station (BS) cooperative transmission provides high spectrum efficiency for cellular systems when channel state information (CSI) is perfectly known at the BSs. For...
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper considers the problem of selecting a subset of nodes in a two-hop wireless network to act as relays in aiding the communication between the source-destination pair. Opt...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
The problem of maximizing the average rate in a multicast network subject to a coverage constraint (minimum quality of service) is studied. Assuming the channel state information ...