2021
Y. Spyridis, T. Lagkas, P. Sarigiannidis; J. Zhang
Modelling and simulation of a new cooperative algorithm for UAV swarm coordination in mobile RF target tracking Journal Article
In: Simulation Modelling Practice and Theory, vol. 107, pp. 102232, 2021.
Abstract | BibTeX | Tags: Mobile target tracking, Modelling, RSSI, Simulation, UAV swarm, unmanned aerial vehicles, wireless sensor networks | Links:
@article{Spyridis2021,
title = {Modelling and simulation of a new cooperative algorithm for UAV swarm coordination in mobile RF target tracking},
author = { Y. Spyridis, T. Lagkas, P. Sarigiannidis and J. Zhang},
url = {https://www.researchgate.net/publication/346563683_Modelling_and_simulation_of_a_new_cooperative_algorithm_for_UAV_swarm_coordination_in_mobile_RF_target_tracking},
doi = {10.1016/j.simpat.2020.102232},
year = {2021},
date = {2021-02-01},
journal = {Simulation Modelling Practice and Theory},
volume = {107},
pages = {102232},
publisher = {Elsevier BV},
abstract = {Recent advancements in sensor technology have allowed unmanned aerial vehicles (UAVs) to function as sensing devices in cooperative aerial communication networks, offering novel solutions in applications of environment inspection, disaster detection and search and rescue operations. Towards this trend, the efficient deployment and coordination of UAV networks is of vital importance. Generating controlled experimental conditions to implement and evaluate different approaches in this context can be impractical and costly and thus the solution of modelling is often preferred. This paper introduces a tracking model in which multirotor UAVs, equipped with received signal strength indicator (RSSI) sensors, are organized in a swarm and cooperate to approximate and trail a moving target. The proposed algorithm is able to offer autonomous tracking in large scale environments, by utilising just the strength of the communication signal emitted by a radio frequency transmitter carried by the target. A model of the proposed algorithm is created, and its performance is thoroughly evaluated in a specialized simulator developed in the Processing IDE. Results demonstrate the increased tracking efficiency of the proposed solution compared to a trilateration method. © 2020 Elsevier Ltd},
keywords = {Mobile target tracking, Modelling, RSSI, Simulation, UAV swarm, unmanned aerial vehicles, wireless sensor networks},
pubstate = {published},
tppubtype = {article}
}
Recent advancements in sensor technology have allowed unmanned aerial vehicles (UAVs) to function as sensing devices in cooperative aerial communication networks, offering novel solutions in applications of environment inspection, disaster detection and search and rescue operations. Towards this trend, the efficient deployment and coordination of UAV networks is of vital importance. Generating controlled experimental conditions to implement and evaluate different approaches in this context can be impractical and costly and thus the solution of modelling is often preferred. This paper introduces a tracking model in which multirotor UAVs, equipped with received signal strength indicator (RSSI) sensors, are organized in a swarm and cooperate to approximate and trail a moving target. The proposed algorithm is able to offer autonomous tracking in large scale environments, by utilising just the strength of the communication signal emitted by a radio frequency transmitter carried by the target. A model of the proposed algorithm is created, and its performance is thoroughly evaluated in a specialized simulator developed in the Processing IDE. Results demonstrate the increased tracking efficiency of the proposed solution compared to a trilateration method. © 2020 Elsevier Ltd
2014
T.D. Lagkas; P. Sarigiannidis; M. Louta
Analyzing the mobile WiMAX system resource exploitation of the downlink direction Journal Article
In: Wireless Personal Communications, vol. 77, no. 2, pp. 1117-1127, 2014.
Abstract | BibTeX | Tags: IEEE 802.16e, mapping, OFDMA, Performance analysis, Resource utilization, Simulation, WiMAX | Links:
@article{Lagkas20141117,
title = {Analyzing the mobile WiMAX system resource exploitation of the downlink direction},
author = { T.D. Lagkas and P. Sarigiannidis and M. Louta},
url = {https://www.researchgate.net/publication/259442681_Analyzing_the_Mobile_WiMAX_System_Resource_Exploitation_of_the_Downlink_Direction},
doi = {10.1007/s11277-013-1557-2},
year = {2014},
date = {2014-01-01},
journal = {Wireless Personal Communications},
volume = {77},
number = {2},
pages = {1117-1127},
abstract = {Worldwide interoperability for microwave access (WiMAX) constitutes a viable networking technology, providing wireless connectivity in an efficient mannerIn this work, on the grounds of the defined frame structure, a novel performance analysis of the mobile WiMAX standard in terms of the downlink resource utilization is presentedThe analysis is validated via simulation, the results of which are also provided along with numerical results, studying the effectiveness of the OFDMA-based downlink mappingThe results reveal the relationship among the frame dimensions, the mapped request size, and the number of unexploited OFDMA slots. © 2013 Springer Science+Business Media New York.},
keywords = {IEEE 802.16e, mapping, OFDMA, Performance analysis, Resource utilization, Simulation, WiMAX},
pubstate = {published},
tppubtype = {article}
}
Worldwide interoperability for microwave access (WiMAX) constitutes a viable networking technology, providing wireless connectivity in an efficient mannerIn this work, on the grounds of the defined frame structure, a novel performance analysis of the mobile WiMAX standard in terms of the downlink resource utilization is presentedThe analysis is validated via simulation, the results of which are also provided along with numerical results, studying the effectiveness of the OFDMA-based downlink mappingThe results reveal the relationship among the frame dimensions, the mapped request size, and the number of unexploited OFDMA slots. © 2013 Springer Science+Business Media New York.
2011
T. Lagkas; D.G. Stratogiannis; G.I. Tsiropoulos; P. Sarigiannidis; M. Louta
2011.
Abstract | BibTeX | Tags: Buffer load, Cooperative wireless network, delay, MAC, QoS, Simulation | Links:
@conference{Lagkas2011185,
title = {Load dependent resource allocation in cooperative multiservice wireless networks: Throughput and delay analysis},
author = { T. Lagkas and D.G. Stratogiannis and G.I. Tsiropoulos and P. Sarigiannidis and M. Louta},
url = {https://www.researchgate.net/publication/221505003_Load_dependent_resource_allocation_in_cooperative_multiservice_wireless_networks_Throughput_and_delay_analysis},
doi = {10.1109/ISCC.2011.5983838},
year = {2011},
date = {2011-01-01},
journal = {Proceedings - IEEE Symposium on Computers and Communications},
pages = {185-190},
abstract = {Cooperative wireless networks supporting multiple services necessitate the application of a robust bandwidth allocation policy to ensure Quality of Service (QoS) provision to different applications. In this work, a load dependent bandwidth allocation technique is presented considering traffic priority and buffer load in the relay nodes of a cooperative communication network. An analytical approach for bandwidth sharing is provided along with a delay analysis, verifying that the proposed scheme can efficiently provide traffic differentiation, satisfying, also, the QoS requirements in terms of bandwidth, packet transmission rate and delay. The results obtained by the analysis are validated via simulations, confirming the improved network performance in terms of throughput and delay. © 2011 IEEE.},
keywords = {Buffer load, Cooperative wireless network, delay, MAC, QoS, Simulation},
pubstate = {published},
tppubtype = {conference}
}
Cooperative wireless networks supporting multiple services necessitate the application of a robust bandwidth allocation policy to ensure Quality of Service (QoS) provision to different applications. In this work, a load dependent bandwidth allocation technique is presented considering traffic priority and buffer load in the relay nodes of a cooperative communication network. An analytical approach for bandwidth sharing is provided along with a delay analysis, verifying that the proposed scheme can efficiently provide traffic differentiation, satisfying, also, the QoS requirements in terms of bandwidth, packet transmission rate and delay. The results obtained by the analysis are validated via simulations, confirming the improved network performance in terms of throughput and delay. © 2011 IEEE.
2010
P.G. Sarigiannidis; M.D. Louta; P. Chatzimisios
A novel fair mapping scheme for IEEE 802.16 downlink sub-frame Conference
2010.
Abstract | BibTeX | Tags: Fairness, IEEE 802.16, mapping, OFDMA, Simulation | Links:
@conference{Sarigiannidis2010763,
title = {A novel fair mapping scheme for IEEE 802.16 downlink sub-frame},
author = { P.G. Sarigiannidis and M.D. Louta and P. Chatzimisios},
url = {https://www.researchgate.net/publication/221003449_A_novel_fair_mapping_scheme_for_IEEE_80216_downlink_sub-frame},
doi = {10.1109/ICUMT.2010.5676550},
year = {2010},
date = {2010-01-01},
journal = {2010 International Congress on Ultra Modern Telecommunications and Control Systems and Workshops, ICUMT 2010},
pages = {763-768},
abstract = {A novel fair mapping scheme is proposed in this paper for the IEEE 802.16 downlink sub-frame. The mapping process is critical since it allocates the users' requests into the downlink sub-frame in order to be sent to the mobile stations. One of the most noticeable issues in this area lies on the fairness aspect. Giving that the mapping process defines the order and the way that the users' requests are being serviced, some users may be treated unfairly. In this work this issue is considered and a new mapping scheme is introduced. The proposed scheme encloses fair and more efficient mapping process, compared to the leading scheme, according to the presented simulation results. ©2010 IEEE.},
keywords = {Fairness, IEEE 802.16, mapping, OFDMA, Simulation},
pubstate = {published},
tppubtype = {conference}
}
A novel fair mapping scheme is proposed in this paper for the IEEE 802.16 downlink sub-frame. The mapping process is critical since it allocates the users' requests into the downlink sub-frame in order to be sent to the mobile stations. One of the most noticeable issues in this area lies on the fairness aspect. Giving that the mapping process defines the order and the way that the users' requests are being serviced, some users may be treated unfairly. In this work this issue is considered and a new mapping scheme is introduced. The proposed scheme encloses fair and more efficient mapping process, compared to the leading scheme, according to the presented simulation results. ©2010 IEEE.
P.G. Sarigiannidis; M. Louta; D.G. Stratogiannis; G.I. Tsiropoulos
Towards a QoS-aware IEEE 802.16 downlink sub-frame mapping scheme Conference
2010.
Abstract | BibTeX | Tags: Downlink mapping, IEEE 802.16, OFDMA, QoS, Simulation | Links:
@conference{Sarigiannidis20101243,
title = {Towards a QoS-aware IEEE 802.16 downlink sub-frame mapping scheme},
author = { P.G. Sarigiannidis and M. Louta and D.G. Stratogiannis and G.I. Tsiropoulos},
url = {https://www.researchgate.net/publication/233833066_Towards_a_QoS-Aware_IEEE_80216_downlink_sub-frame_mapping_scheme},
doi = {10.1109/GLOCOMW.2010.5700136},
year = {2010},
date = {2010-01-01},
journal = {2010 IEEE Globecom Workshops, GC'10},
pages = {1243-1247},
abstract = {IEEE 802.16 (WiMAX) is considered as one of the most promising wireless access technologies supporting high-capacity and long-distance communications as well as user mobility. A problem that should be addressed in the context of multi-access communications is the efficient accommodation of traffic requests to the downlink subframe. The allocation operation in downlink sub-frame is not standardized, while only restrictions on the usage of downlink sub-frame's bandwidth are defined. The most noticeable restriction is the rectangular restriction, requiring all downlink allocations to be mapped in a two-dimensions rectangular shaping. This study is a first step towards defining a QoS-aware mapping scheme, prioritizing traffic requests in accordance with the strict delay requirements they pose. The mapping scheme applies horizon scheduling, permitting bursts to be scheduled efficiently and in a simple way, following the horizons as pilots. The QoS-aware mapping scheme is evaluated by means of simulation experiments, which indicate that the proposed scheme operates effectively and efficiently, by reducing the number of unserviced users and traffic requests, and the portion of the dropped real-time traffic. ©2010 IEEE.},
keywords = {Downlink mapping, IEEE 802.16, OFDMA, QoS, Simulation},
pubstate = {published},
tppubtype = {conference}
}
IEEE 802.16 (WiMAX) is considered as one of the most promising wireless access technologies supporting high-capacity and long-distance communications as well as user mobility. A problem that should be addressed in the context of multi-access communications is the efficient accommodation of traffic requests to the downlink subframe. The allocation operation in downlink sub-frame is not standardized, while only restrictions on the usage of downlink sub-frame's bandwidth are defined. The most noticeable restriction is the rectangular restriction, requiring all downlink allocations to be mapped in a two-dimensions rectangular shaping. This study is a first step towards defining a QoS-aware mapping scheme, prioritizing traffic requests in accordance with the strict delay requirements they pose. The mapping scheme applies horizon scheduling, permitting bursts to be scheduled efficiently and in a simple way, following the horizons as pilots. The QoS-aware mapping scheme is evaluated by means of simulation experiments, which indicate that the proposed scheme operates effectively and efficiently, by reducing the number of unserviced users and traffic requests, and the portion of the dropped real-time traffic. ©2010 IEEE.
Address
Internet of Things and Applications Lab
Department of Electrical and Computer Engineering
University of Western Macedonia Campus
ZEP Area, Kozani 50100
Greece
Contact Information
tel: +30 2461 056527
Email: ithaca@uowm.gr
