112 search results - page 1 / 23 » Adaptive Bandwidth Allocation Scheme for Cognitive Radios |
IJACTAICIT
2010
13 years 1 months ago
2010
In recent past, cognitive radio has come out to as a promising solution to the spectrum scarcity problem. It tends to increase the spectrum utilization by making use of underutili...
WCNC
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract—Cognitive radio networks (CRN) may greatly enhance the throughput based on a given bandwidth. CRN has a unique feature, consisting of uni-directional opportunistic wirel...
ICC
2007
IEEE
13 years 8 months ago
2007
IEEE
As the radio spectrum usage paradigm shifting from the traditional command and control allocation scheme to the open spectrum allocation scheme, wireless mesh networks meet new opp...
JSAC
2011
12 years 11 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...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Efficient design of cognitive radio networks calls for secondary users implementing adaptive resource allocation, which requires knowledge of the channel state information in ord...