4714 search results - page 134 / 943 » Cognitive Packet Networks |
147
Voted
INFOCOM
2012
IEEE
13 years 6 months ago
2012
IEEE
—In this paper we study the resource allocation in OFDM-based cognitive radio (CR) networks, under the consideration of many practical limitations such as imperfect spectrum sens...
151
Voted
INFOCOM
2012
IEEE
13 years 6 months ago
2012
IEEE
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
159
Voted
INFOCOM
2009
IEEE
15 years 10 months ago
2009
IEEE
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
177
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JSAC
2011
14 years 10 months ago
2011
Abstract—In decentralized cognitive radio (CR) networks, enabling the radios to establish a control channel (i.e., “rendezvous” to establish a link) is a challenging problem....
172
Voted
PIMRC
2010
IEEE
15 years 1 months ago
2010
IEEE
This paper presents an efficient and fair uplink resource allocation algorithm in multicarrier based cognitive radio systems. The proposed resource allocation is divided into two s...