235 search results - page 36 / 47 » Rate and Power Allocation in Fading Multiple Access Channels |
SIGMETRICS
2008
ACM
13 years 7 months ago
2008
ACM
We consider a wireless collision channel, shared by a finite number of mobile users who transmit to a common base station using a random access protocol. Mobiles are selfoptimizin...
SECON
2007
IEEE
14 years 2 months ago
2007
IEEE
— Cooperative communications can help combat fading and hence can significantly increase the capacity of wireless networks. Although various schemes have been proposed to levera...
CORR
2006
Springer
13 years 7 months ago
2006
Springer
This work considers the problem of communication from a single transmitter, over a network with colocated users, through an independent block Rayleigh fading channel. The colocati...
JSAC
2011
13 years 2 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
PIMRC
2010
IEEE
13 years 5 months ago
2010
IEEE
In a multiuser system, independent time-varying channels among different users can be exploited to provide multiuser diversity (MUD) gain and increase the system throughput. For th...