375 search results - page 32 / 75 » Accessible Capacity of Secondary Users |
94
Voted
INFOCOM
2003
IEEE
15 years 5 months ago
2003
IEEE
— Multiuser diversity refers to a type of diversity present across different users in a fading environment. This diversity can be exploited by scheduling transmissions so that us...
134
Voted
GLOBECOM
2007
IEEE
15 years 2 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...
CORR
2010
Springer
15 years 18 days ago
2010
Springer
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
117
Voted
COMCOM
2008
15 years 18 days ago
2008
Code allocation has a significant impact on the performance of Code Division Multiple Access (CDMA) systems. For the uplink direction, in 3G Wideband CDMA (WCDMA) cellular systems...
ASMTA
2008
Springer
15 years 2 months ago
2008
Springer
In this paper we analytically derive the sojourn time of a user accessing an online IPTV recording service. Basically, the system consists of a server (or server farm) and the band...