629 search results - page 69 / 126 » Design of a Medium Access Control Protocol for Dynamic Spect... |
MOBIHOC
2006
ACM
14 years 7 months ago
2006
ACM
Existing multi-channel protocols have been demonstrated to significantly increase aggregate throughput compared to single-channel protocols. However, we show that despite such imp...
DSN
2003
IEEE
14 years 1 months ago
2003
IEEE
Wireless Medium Access Control (MAC) protocols such as IEEE 802.11 use distributed contention resolution mechanisms for sharing the wireless channel. In this environment, selfish...
PIMRC
2010
IEEE
13 years 5 months ago
2010
IEEE
This study addresses the general problem of efficient resource management in wireless networks with arbitrary timevarying topologies. Communication channels are assumed to generall...
SACMAT
2010
ACM
13 years 6 months ago
2010
ACM
Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
JCIT
2008
13 years 7 months ago
2008
Transmitting voice through IP data network can provide significant cost savings. However if not managed properly, voice quality can degrade due to data network congestion. Voice o...