36 search results - page 2 / 8 » Opportunistic power allocation for fading channels with non-... |
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
GLOBECOM
2009
IEEE
13 years 9 months ago
2009
IEEE
In this paper, we consider the optimal rate and power allocation that maximizes a general utility function of average user rates in a fading multiple-access or broadcast channel. B...
JSAC
2006
13 years 5 months ago
2006
In mobile wireless networks, dynamic allocation of resources such as transmit powers, bit-rates, and antenna beams based on the channel state information of mobile users is known t...
TWC
2008
13 years 5 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
CORR
2010
Springer
13 years 4 days ago
2010
Springer
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...