198 search results - page 21 / 40 » Opportunistic interference alignment in MIMO interference ch... |
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Channel inversion is one of the simplest techniques for multiuser downlink systems with single-antenna users. In this paper, we extend the regularized channel inversion techniq...
PIMRC
2010
IEEE
13 years 5 months ago
2010
IEEE
We propose an opportunistic channel access scheme for cognitive radio-enabled secondary networks. In our work, we model the channel occupancy due to Primary User (PU) activity as a...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract--A common concept to mitigate the effects of spectrum scarcity is to allow opportunistic dynamic spectrum access (DSA) to licensed frequency bands. In this context, the li...
CISS
2007
IEEE
14 years 2 months ago
2007
IEEE
AbstractWe consider a wireless network consisting of multiple sources communicating with their corresponding destinations utilizing a single half-duplex relay. The goal is to min...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
In the multiple-input multiple-output (MIMO) broadcast channel with imperfect channel state information (CSI), neither the capacity nor the optimal transmission technique have been...