375 search results - page 19 / 75 » Accessible Capacity of Secondary Users |
174
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INFOCOM
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract—The queueing performance of a (secondary) cognitive user is investigated for a hierarchical network where there are N independent and identical primary users. Each prima...
152
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WCNC
2008
IEEE
16 years 11 days ago
2008
IEEE
— In this paper, we compare the performance of wireless local area networks (WLANs) with single-user MIMO (SU-MIMO) and multi-user MIMO (MU-MIMO) in terms of collision probabilit...
153
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VTC
2006
IEEE
16 years 14 hour ago
2006
IEEE
— In this paper, we consider the uplink capacity of an integrated high altitude platform station (HAPS)-terrestrial code division multiple access (CDMA) system in which sharing b...
131
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WCNC
2008
IEEE
16 years 11 days ago
2008
IEEE
— We consider a cognitive wireless relay system that operates on secondary spectrum sharing basis using spectrum pooling. A spectrum pool comprises of a set of available narrowba...
168
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GLOBECOM
2006
IEEE
16 years 2 days ago
2006
IEEE
Abstract— We consider communication over the Gaussian multiple access channel (MAC) with unknown set of active users. The proposed multiple access strategy is distributed and ach...