629 search results - page 21 / 126 » Design of a Medium Access Control Protocol for Dynamic Spect... |
MOBIHOC
2002
ACM
14 years 7 months ago
2002
ACM
Due to hidden terminals and a dynamic topology, contention among stations in an ad-hoc network is not homogeneous. Some stations are at a disadvantage in opportunity of access to ...
IPPS
2006
IEEE
14 years 1 months ago
2006
IEEE
Recently there have been considerable interests focusing on the performance evaluation of IEEE 802.11e Medium Access Control (MAC) protocols, which were proposed for supporting Qu...
JSAC
2011
12 years 10 months ago
2011
—Several contention-based Medium Access Control (MAC) protocols have been proposed for the vehicles to gain the radio channels to distribute active safety messages timely, e.g., ...
TWC
2008
13 years 7 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...