33 search results - page 3 / 7 » Delay-Energy Tradeoffs in Wireless Ad-Hoc Networks with Part... |
TSP
2010
13 years 10 days ago
2010
Wireless amplify-and-forward relay networks in which the source communicates with the relays and destination in the first phase and the relays forward signals to the destination in...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
Abstract— Infrastructure based wireless communications systems as well as ad hoc networks experience a growing importance in present-day telecommunications. An increased density ...
CORR
2011
Springer
12 years 9 months ago
2011
Springer
The tremendous capacity gains promised by space division multiple access (SDMA) depend critically on the accuracy of the transmit channel state information. In the broadcast chann...
JSAC
2008
13 years 5 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
A wireless system with multiple channels is considered, where each channel has several transmission states. A user learns about the instantaneous state of an available channel by ...