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JSAC
2011
171views more  JSAC 2011»
14 years 24 days ago
QoS Provisioning for Heterogeneous Services in Cooperative Cognitive Radio Networks
—In this paper, we propose a spectrum allocation framework that jointly considers the Quality-of-Service (QoS) provisioning for heterogeneous secondary Real-Time (RT) and Non-Rea...
Ammar Alshamrani, Xuemin (Sherman) Shen, Liang-Lia...
SACMAT
2006
ACM
15 years 3 months ago
The secondary and approximate authorization model and its application to Bell-LaPadula policies
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
Jason Crampton, Wing Leung, Konstantin Beznosov
COMCOM
2006
112views more  COMCOM 2006»
14 years 10 months ago
Performance modelling and evaluation of IEEE 802.11 distributed coordination function in multihop wireless networks
Initially designed for WLAN's, IEEE 802.11 medium access control (MAC) has also been widely used in the research of multihop wireless networks. The core MAC technique of IEEE ...
Jun He, Hung Keng Pung
IPCCC
2005
IEEE
15 years 3 months ago
MMAC: a mobility-adaptive, collision-free MAC protocol for wireless sensor networks
Mobility in wireless sensor networks poses unique challenges to the medium access control (MAC) protocol design. Previous MAC protocols for sensor networks assume static sensor no...
Muneeb Ali, T. Suleman, Zartash Afzal Uzmi
WIOPT
2006
IEEE
15 years 3 months ago
On the macroscopic effects of local interactions in multi-hop wireless networks
Abstract— The objective of the paper is to provide qualitative insight into the global effects of distributed mechanisms, such as carrier sense multiple access (CSMA) and rate co...
Venkatesh Saligrama, David Starobinski