375 search results - page 8 / 75 » Accessible Capacity of Secondary Users |
GLOBECOM
2008
IEEE
15 years 7 months ago
2008
IEEE
Abstract—We analyze the capacity of an opportunistic scheduling system in a spectrum sharing environment where multiple secondary users can share a frequency spectrum with multip...
122
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ICASSP
2011
IEEE
14 years 4 months ago
2011
IEEE
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
TMC
2010
14 years 10 months ago
2010
—In this paper, we consider DS-CDMA/OFDM spectrum sharing systems and obtain the achievable capacity of the secondary service under different subchannel selection policies in the...
WCNC
2008
IEEE
15 years 6 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.,...
154
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VTC
2008
IEEE
15 years 6 months ago
2008
IEEE
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...