715 search results - page 10 / 143 » An Analysis of Performance Interference Effects in Virtual E... |
TWC
2008
13 years 8 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
WSC
2004
13 years 10 months ago
2004
This paper presents the results of an effort to compare results of an experiment performed in both a virtual and a real environment. The research question addressed is if virtual ...
PAM
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. The use of power control in wireless networks can lead to two conflicting effects. An increase in the transmission power on a link may (i) improve the quality and thus t...
WCNC
2010
IEEE
14 years 24 days ago
2010
IEEE
—It is well known that symbol timing offsets larger than the cyclic prefix as well as carrier frequency offsets between transmitter and receiver stations destroy the orthogonali...
WCNC
2008
IEEE
14 years 3 months ago
2008
IEEE
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...