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—This work presents an analysis of a cluster of finite population of low cost sensor nodes operating in a p-persistent S-Aloha framework with multipacket messages. Using this analytical framework, we consider the issue of partitioning the nodes and available frequencies into groups so as to maximize the system throughput. Assigning the nodes and frequencies(More)
Secure mobile wireless ad-hoc networks are frequently described in the technical literature as highly-desired and feasible. However only few stable and scalable physical realizations of such MANETs were actually reported. Here, we describe SWAT (a secure wireless agent-based testbed), a physical network of handheld and stationary computing nodes that(More)
In this paper, we consider the problem of placing, with course-grained control, a large number of wireless networked sensor nodes employing a clustering network architecture. The goal of the deployment strategy is to maximize the lifetime while ensuring connectivity between cluster-heads so that samples from the monitored area may be forwarded to a fusion(More)
This work proposes a framework for jamming wireless networks that incorporates probabilistic models of internal states and observable characteristics of link protocols, where protocols are divided into two general classes: random access (RA) or channelized access (CA). Without exact knowledge of network parameters and internal state, the proposed(More)
The distribution of data in large dynamic wireless sensor networks presents a difficult problem due to node mobility , link failures, and traffic congestion. In this paper, we propose a framework for adaptive flooding protocols suitable for disseminating data in large-scale dynamic networks without a central controlling entity. The framework consists of(More)
In this paper we describe a behavioral state classifier employing a three-factor node reliability measure based upon inferred Ability, Integrity, and Benevolence (AIB) to assess node reliability. In contrast to typical scalar measures, this multi-metric index creates a reliability space that is more descriptive and in which distinctions can be drawn between(More)
Distribution Statement A—Approved for public release; distribution is unlimited. ii Dedications To Ryan, and all who have served. Eternal Father, strong to save, Whose arm hath bound the restless wave, Who bidd'st the mighty ocean deep Its own appointed limits keep; O hear us when we cry to Thee For those in peril on the sea! Eternal Father, Faithful(More)
The distribution of data in large-scale dynamic wireless networks presents a difficult problem for network designers due to node mobility, unreliable links, and traffic congestion. In this work, we propose a framework for adaptive data dissemination protocols suitable for distributing data in large-scale dynamic networks without a central controlling(More)