112 search results - page 10 / 23 » Adaptive Bandwidth Allocation Scheme for Cognitive Radios |
TCOM
2010
14 years 7 months ago
2010
Abstract— In this paper, we study the coexistence and optimization of a multicell cognitive radio network (CRN) which is overlaid with a multicell primary radio network (PRN). We...
95
Voted
JSAC
2011
14 years 3 months ago
2011
—In this paper, opportunistic multiple access to the under-utilized channel resources is investigated. Exploiting source burstiness, secondary cognitive nodes utilizes primary no...
MUE
2008
IEEE
15 years 3 months ago
2008
IEEE
Denial of service attacks occur when the attacks are from a single host, whereas distributed denial of service attacks occur when multiple affected systems flood the bandwidth or ...
SECON
2010
IEEE
14 years 7 months ago
2010
IEEE
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...
82
Voted
INFOCOM
2012
IEEE
12 years 12 months ago
2012
IEEE
—In this paper, we tackle the spectrum allocation problem in cognitive radio (CR) networks with time-frequency flexibility consideration using combinatorial auction. Different f...