Abstract
Target tracking using wireless sensor networks offers multiple challenges because it usually involves intensive computation and requires accurate methods for tracking and energy consumption. Above all, scalability, energy optimization, efficiency, and overhead reduction are some among the key tasks for any protocol designed to perform target tracking using large scale sensor networks. Border surveillance systems, on the other side, need to report border crossings in a real time manner. They should provide large coverage, lower energy consumption, real time crossing detection, and use efficient tools to report crossing information. In this paper, we present a scheme, called Border Cooperative and Predictive Tracking protocol (BCTP), capable of energyaware surveillance and continuous tracking of objects and individuals’ crossing a country border and anticipating target motion within a thick strip along the border and estimating the target exit zone and time.
Highlights
The large scale evolution in wireless sensor network technology makes it possible to implement wireless sensor networks (WSNs) within a wide range of applications including healthcare monitoring, battlefield surveillance, and physical or environmental conditions observation [1] [2]
We propose a distributed and prediction capable scheme, called Border Cooperative Predictive Tracking protocol (BCTP), to accurately track mobile targets within a given area, which has the form of large thin strip along a borderline
Several recent works have discussed the design of country border surveillance systems based on WSNs
Summary
The large scale evolution in wireless sensor network technology makes it possible to implement wireless sensor networks (WSNs) within a wide range of applications including healthcare monitoring, battlefield surveillance, and physical or environmental conditions observation [1] [2]. The contribution of this paper is three-fold: a) Given the number of targets to detect, the protocol provides a distributed mechanism for determining the set of sensors to wake up in the vicinity of the future positions of the detected targets, until complete area crossing; b) to minimize the energy consumption during tracking, the protocol reduces the number of sensors to only some among those that are expected to have the target in their range at the moment of wakeup; c) a mathematical model is developed to control tracking continuity and estimate the exit time and exit segment of any target from the strip built along the frontier; and d) a mathematical model is built to control the deployment scheme of the WSN capable of guaranteeing a high probability of tracking continuity.
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