134 search results - page 22 / 27 » Cooperative Adaptive Spectrum Sharing in Cognitive Radio Net... |
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
— We propose and analyze a novel decentralized mechanism that motivates otherwise non-cooperative stations to participate as relays in cooperative ARQ protocol. Cooperation incen...
CN
2008
13 years 7 months ago
2008
Cognitive radios (CR) have the ability to dynamically adapt to local spectrum availability. In a network comprised of CR-enabled devices, layer-2 auto-configuration involves deter...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
Cognitive radio (CR) techniques improve the spectrum utilization by exploiting temporarily-free frequency bands (i.e., in the time domain). The spectrum utilization can be boosted...
WOWMOM
2009
ACM
14 years 2 months ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper considers the problem of finding sparse solutions from multiple measurement vectors (MMVs) with joint sparsity. The solutions share the same sparsity structure, and th...