Autonomous Tracking of Intermittent RF Source Using a UAV Swarm

The localization of a radio-frequency transmitter with intermittent transmissions is considered via a group of unmanned aerial vehicles (UAVs) equipped with omnidirectional received signal strength sensors. This group embarks on an autonomous patrol to localize and track the target with a specified...

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Main Authors: Farshad Koohifar, Ismail Guvenc, Mihail L. Sichitiu
Format: Article
Language:English
Published: IEEE 2018-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8304570/
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author Farshad Koohifar
Ismail Guvenc
Mihail L. Sichitiu
author_facet Farshad Koohifar
Ismail Guvenc
Mihail L. Sichitiu
author_sort Farshad Koohifar
collection DOAJ
description The localization of a radio-frequency transmitter with intermittent transmissions is considered via a group of unmanned aerial vehicles (UAVs) equipped with omnidirectional received signal strength sensors. This group embarks on an autonomous patrol to localize and track the target with a specified accuracy, as quickly as possible. The challenge can be decomposed into two stages: 1) estimation of the target position given previous measurements (localization) and 2) planning the future trajectory of the tracking UAVs to get lower expected localization error given current estimation (path planning). For each stage, we compare two algorithms in terms of performance and computational load. For the localization stage, we compare a detection-based extended Kalman filter (EKF) and a recursive Bayesian estimator. For the path planning stage, we compare a steepest descent posterior Cramer–Rao lower bound path planning and a bioinspired heuristic path planning. Our results show that the steepest descent path planning outperforms the bioinspired path planning by an order of magnitude, and recursive Bayesian estimator narrowly outperforms detection-based EKF.
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spelling doaj.art-16ebb9fccfa5489d89141644ff902aa82022-12-21T20:01:55ZengIEEEIEEE Access2169-35362018-01-016158841589710.1109/ACCESS.2018.28105998304570Autonomous Tracking of Intermittent RF Source Using a UAV SwarmFarshad Koohifar0https://orcid.org/0000-0002-6710-1370Ismail Guvenc1Mihail L. Sichitiu2Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USADepartment of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USADepartment of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, USAThe localization of a radio-frequency transmitter with intermittent transmissions is considered via a group of unmanned aerial vehicles (UAVs) equipped with omnidirectional received signal strength sensors. This group embarks on an autonomous patrol to localize and track the target with a specified accuracy, as quickly as possible. The challenge can be decomposed into two stages: 1) estimation of the target position given previous measurements (localization) and 2) planning the future trajectory of the tracking UAVs to get lower expected localization error given current estimation (path planning). For each stage, we compare two algorithms in terms of performance and computational load. For the localization stage, we compare a detection-based extended Kalman filter (EKF) and a recursive Bayesian estimator. For the path planning stage, we compare a steepest descent posterior Cramer–Rao lower bound path planning and a bioinspired heuristic path planning. Our results show that the steepest descent path planning outperforms the bioinspired path planning by an order of magnitude, and recursive Bayesian estimator narrowly outperforms detection-based EKF.https://ieeexplore.ieee.org/document/8304570/Cramer Rao lower bounddroneFisher informationintermittent transmitterjammerlocalization
spellingShingle Farshad Koohifar
Ismail Guvenc
Mihail L. Sichitiu
Autonomous Tracking of Intermittent RF Source Using a UAV Swarm
IEEE Access
Cramer Rao lower bound
drone
Fisher information
intermittent transmitter
jammer
localization
title Autonomous Tracking of Intermittent RF Source Using a UAV Swarm
title_full Autonomous Tracking of Intermittent RF Source Using a UAV Swarm
title_fullStr Autonomous Tracking of Intermittent RF Source Using a UAV Swarm
title_full_unstemmed Autonomous Tracking of Intermittent RF Source Using a UAV Swarm
title_short Autonomous Tracking of Intermittent RF Source Using a UAV Swarm
title_sort autonomous tracking of intermittent rf source using a uav swarm
topic Cramer Rao lower bound
drone
Fisher information
intermittent transmitter
jammer
localization
url https://ieeexplore.ieee.org/document/8304570/
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