247 search results - page 40 / 50 » Optimal wireless networks based on local channel state infor... |
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
In the OFDMA downlink, obtaining Channel State Information (CSI) from users is necessary for the Base Station (BS) to optimize network performance by intelligently allocating resou...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Routing protocols have traditionally been based on finding shortest paths under certain cost metrics. A conventional routing metric models the cost of a path as the sum of the...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
— Both fast scheduling and spatial signal processing have proven to be capacity-increasing methods in wireless communication systems. However, when applied in the downlink of a c...
TMC
2008
13 years 6 months ago
2008
Recently wireless sensor networks featuring direct sink access have been studied as an efficient architecture to gather and process data for numerous applications. In this paper, w...
TSP
2012
12 years 2 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...