272 search results - page 15 / 55 » Routing in cognitive radio networks: Challenges and solution... |
CORR
2008
Springer
14 years 12 months ago
2008
Springer
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
MOBISYS
2004
ACM
15 years 11 months ago
2004
ACM
In this paper, we investigate the impact of radio irregularity on the communication performance in wireless sensor networks. Radio irregularity is a common phenomenon which arises...
102
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AINA
2011
IEEE
14 years 3 months ago
2011
IEEE
— Next generation wireless networks will be heterogeneous, where several primary users (PU e.g. licensed users) and secondary users (SU e.g. unlicensed users) can operate in the ...
108
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ICC
2008
IEEE
15 years 6 months ago
2008
IEEE
—To improve the performance of spectrum sensing, cooperation among Cognitive Radios (CRs) has been proposed recently as an effective solution. Most existing works require either ...
81
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CORR
2008
Springer
14 years 12 months ago
2008
Springer
In wireless sensor networks, bandwidth is one of precious resources to multimedia applications. To get more bandwidth, multipath routing is one appropriate solution provided that ...