138 search results - page 13 / 28 » Providing Secondary Access in a Cellular Network |
MOBICOM
1998
ACM
13 years 12 months ago
1998
ACM
In this paper we introduce universal mobile channels, a le communications abstraction that enables users and service providers to program application-speci c adaptive mobile servi...
WWW
2011
ACM
13 years 2 months ago
2011
ACM
As information technology supports more aspects of modern life, digital access has become an important tool for developing regions to lift themselves from poverty. Though broadban...
JSAC
2008
13 years 7 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—In cognitive wireless networks where secondary users (SUs) opportunistically access spectral white spaces of primary users (PUs), there exists an inherent tradeoff between sensi...
NETWORKING
2000
13 years 9 months ago
2000
Packet-oriented access to cellular networks enables us to deliver multimedia content to mobile users. As cellular networks will continue to deliver circuit switched voice for some ...