74 search results - page 3 / 15 » Voice Service Support over Cognitive Radio Networks |
CDC
2008
IEEE
14 years 2 months ago
2008
IEEE
— We study the problem of pricing uplink power in wide-band cognitive radio networks under the objective of revenue maximization for the service provider and while ensuring incen...
IIWAS
2008
13 years 9 months ago
2008
In mobile commerce, short-message-service (SMS) is an important technique for delivering payment instruction. A payment model "SMS Credit" was proposed earlier [1]. Such...
FGCN
2007
IEEE
13 years 9 months ago
2007
IEEE
Recently, Voice over IP (VoIP) has become an important service for the future internet. However, for ubiquitous wireless VoIP services, greater coverage will be necessary as promi...
JSAC
2011
13 years 2 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
GLOBECOM
2010
IEEE
13 years 4 months ago
2010
IEEE
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...