112 search results - page 2 / 23 » Adaptive Bandwidth Allocation Scheme for Cognitive Radios |
GLOBECOM
2007
IEEE
13 years 6 months ago
2007
IEEE
— Future mobile communication systems such as IEEE 802.16 are expected to deliver a variety of multimedia services with diverse QoS requirements. To guarantee the QoS provision, ...
MASS
2010
13 years 2 months ago
2010
Cognitive radio, which enables dynamic access of under-utilized licensed spectrums, is a promising technology for more efficient spectrum utilization. Since cognitive radio enables...
ICASSP
2011
IEEE
12 years 8 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...
PIMRC
2010
IEEE
13 years 2 months ago
2010
IEEE
In this paper, we propose an interference aware throughput maximizing scheduler for cognitive radio networks (CRNs) as part of a MAC layer resource allocation framework. In the con...
TWC
2008
13 years 4 months ago
2008
In this paper, we investigate an optimal power loading algorithm for an OFDM-based cognitive radio (CR) system. The downlink transmission capacity of the CR user is thereby maximiz...