375 search results - page 36 / 75 » Accessible Capacity of Secondary Users |
WIOPT
2011
IEEE
14 years 4 months ago
2011
IEEE
—Cellular operators have been offloading data traffic from their licensed bands to unlicensed bands through a large number of WiFi hotspots over the past years. Although this a...
115
Voted
ICC
2008
IEEE
15 years 7 months ago
2008
IEEE
— In this paper, we propose the novel concept of Repeat Accumulate Code Division Multiple Access (RA-CDMA), which employs unique, user-specific channel code generator matrices (...
97
Voted
VTC
2006
IEEE
15 years 6 months ago
2006
IEEE
— HSDPA (High-Speed Downlink Packet Access) is an evolved UMTS packet scheme that delivers increased user peak data rates and supports quality of service. A key technique support...
93
Voted
TIT
1998
15 years 5 days ago
1998
—The Poisson multiple-access channel (MAC) models many-to-one optical communication through an optical fiber or in free space. For this model we compute the capacity region for ...
CISS
2008
IEEE
15 years 7 months ago
2008
IEEE
—This paper provides a comparative study of the distributed antenna system (DAS) and the conventional colocated antenna system (CAS) in the multi-user scenario. It is demonstrate...