109 search results - page 19 / 22 » Modeling and performance evaluation of transmission control ... |
TMC
2011
13 years 1 months ago
2011
We consider the problem of optimal channel access to provide quality of service (QoS) for data transmission in cognitive vehicular networks. In such a network the vehicular nodes ...
JSAC
2011
13 years 1 months ago
2011
In this paper, we characterize the joint network capacity region for a licensed broadcast (primary) and ad hoc cognitive (secondary) network in a heterogeneous environment, includ...
ICPADS
2002
IEEE
13 years 11 months ago
2002
IEEE
Wireless technologies and applications received great attention in recent years. The medium access control (MAC) protocol is the main element that determines the efficiency in sha...
INFOCOM
2012
IEEE
11 years 8 months ago
2012
IEEE
Cognitive radio gives users the ability to switch channels and make use of dynamic spectral opportunities. However, switching channels takes time, and may disrupt the quality of a...
MSWIM
2006
ACM
14 years 6 days ago
2006
ACM
Third generation wireless systems can simultaneously accommodate flow transmissions of users with widely heterogeneous applications. As resources are limited (particularly in the...