691 search results - page 112 / 139 » Communicating Under Channel Uncertainty |
GLOBECOM
2009
IEEE
14 years 4 months ago
2009
IEEE
Abstract—Recent studies have been conducted to indicate the ineffective usage of licensed bands due to the static spectrum allocation. In order to improve the spectrum utilizatio...
INFOCOM
2009
IEEE
14 years 4 months ago
2009
IEEE
—Wireless networks are increasingly used to carry applications with QoS constraints. Two problems arise when dealing with traffic with QoS constraints. One is admission control,...
ICC
2008
IEEE
14 years 4 months ago
2008
IEEE
– According to the commons model of cognitive radio, the activity of secondary (unlicensed) nodes is required to guarantee quality-of-service (QoS) constraints on the transmissio...
ICCCN
2008
IEEE
14 years 4 months ago
2008
IEEE
—Flow aggregation has been proposed as a technique to improve the scalability of QoS scheduling in the core of the Internet, by reducing the amount of per-flow state necessary a...
NOMS
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract—Rapid and unpredictable topology changes and resource constraints make delivering packets in a MANET (Mobile Ad hoc Network) a challenging task. Routing information has ...