Reliability: probabilistic models and statistical methods
Reliability: probabilistic models and statistical methods
A comparison study of the two-tier and the single-tier personal communications services systems
Mobile Networks and Applications - Special issue: mobility management
Inside risks: evolving telephone networks
Communications of the ACM
Emerging mobile and wireless networks
Communications of the ACM
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Architectures for ATM network survivability
IEEE Communications Surveys & Tutorials
A management framework for ambient systems operating in wireless B3G environments
Mobile Networks and Applications
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Network dependability is an important issue forservice providers, vendors, and users.Although somework has been done in wireline networks for improvingreliability, availability, and survivability aspects ofnetwork dependability, very little work has been done todo the same for wireless networks.As wireless networksare more likely to have dependability problems, webelieve that some work is necessary to address thedependability issues in wireless networks.In this paper,we propose an integrated approach using design changesand fault-tolerance to improve the dependability ofwireless networks.More specifically, we present severalarchitectures to improve the dependability of wirelessnetworks, a simulation model for evaluating one or moreof these architectures, and detailed performance results.The results show that significant improvements arepossible in the wireless dependability attributes of thecurrent and emerging wireless networks.We have alsoobtained results for fault-tolerant architectures of varyingsize, showing substantial improvements in both networkavailability and survivability attributes.