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Resource handling for military training networks
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES). Saab Training and Simulation, Huskvarna, Sweden.ORCID iD: 0000-0002-3933-285X
2015 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Connected devices are increasing steadily and the number of devices will in soon future be so massive that they are impacting the next generation of wireless standards and are already being considered in them. Machine-to-Machine (M2M) communications and Internet of Things (IoT) sub fields of wireless communications have developed lately with their own research fields and forums. 

Military training systems are using radio networks of connected devices to provide realistic combat training with new trends of multimedia streaming and lower traffic latency requirements. To facilitate further development of the networks a research goal is formulated to target the improvement of the network in the desired direction. The research goal is to answer how to provide energy efficient wireless communications within the framework of the military training application, meeting requirements of delay, number of network nodes and power efficiency for mobile devices and is broken down to three separate research questions that are each targeted separately as below.

We have developed an admission control with real-time analysis for a single-frequency base station for mobile nodes with real-time traffic. This scope has been extended to an admission control for a multichannel base station where we also proposed a method on how to maximize the number of mobile nodes, with different traffic requirements including multimedia traffic, in the network. Finally a probabilistic model has been proposed for the Discontinuous Reception (DRX) power saving mechanism for LTE/LTE-A in the 4:th Generation (4G) telecommunications standard. It was also shown how to meet traffic delays while maximizing the power saving factor in the mobile nodes.

Place, publisher, year, edition, pages
Halmstad: Halmstad University Press , 2015. , 15 p.
Series
Halmstad University Dissertations, 16
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:hh:diva-29337Libris ID: 18468263ISBN: 978-91-87045-34-9 ISBN: 978-91-87045-35-6 OAI: oai:DiVA.org:hh-29337DiVA: diva2:850105
Presentation
2015-09-21, Haldasalen, House Visionen, Kristian IV:s väg 3, Halmstad, 10:15 (English)
Opponent
Supervisors
Note

Examiner: Professor Walid Taha, Halmstad University

Available from: 2015-09-15 Created: 2015-08-31 Last updated: 2016-06-09Bibliographically approved
List of papers
1. Military Training Network with Admission Control using Real-Time Analysis
Open this publication in new window or tab >>Military Training Network with Admission Control using Real-Time Analysis
2014 (English)In: 2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Piscataway, NJ: IEEE Press, 2014, 249-254 p., 7033244Conference paper, Published paper (Refereed)
Abstract [en]

Military training radio networks typically consist of large numbers of mobile nodes and have to provide real-time (RT) communication between these nodes. This paper introduces a method on how to manage radio resources and provide Quality of Service (QoS) guarantees for heterogeneous traffic by using admission control, deterministic queuing, and scheduling methods. The proposed solution is based on the use of a RT feasibility test in the admission control and earliest deadline first (EDF) scheduling and queuing. This deterministic solution handles heterogeneous traffic through a novel combination of RT downlink and two types of RT uplink dynamic scheduling mechanisms. The uplink scheduling consists of a control packet based mechanism for sporadic RT traffic and a periodic short-latency mechanism for periodic RT traffic. The method presented in this paper is investigated by computer simulation, evaluating its performance and determining the maximum number of nodes supported, given a worst-case user scenario. To the best of our knowledge this is the first centralized protocol designed for a military training network providing application-specific RT support for heterogeneous traffic. ©2014 IEEE.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Press, 2014
Keyword
Military training radio networks, real-time guarantees, admission control, EDF scheduling, MAC
National Category
Telecommunications
Identifiers
urn:nbn:se:hh:diva-27413 (URN)10.1109/CAMAD.2014.7033244 (DOI)000380484700051 ()2-s2.0-84949928539 (Scopus ID)978-1-4799-5725-5 (ISBN)
Conference
2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Athens, Greece, December 1-3, 2014
Available from: 2015-01-06 Created: 2015-01-06 Last updated: 2017-12-11Bibliographically approved
2. Multichannel admission control for military training network
Open this publication in new window or tab >>Multichannel admission control for military training network
2015 (English)In: 2015 IEEE 18th International Symposium on Real-Time Distributed Computing (ISORC) / [ed] Lisa O’Conner, Los Alamitos, CA: IEEE Computer Society, 2015, 150-157 p.Conference paper, Published paper (Refereed)
Abstract [en]

A military training radio network requires support for a large number of mobile nodes with heterogeneous traffic and real-time requirements. We propose a deterministic protocol and an admission control using real-time analysis for a centralized radio network with a multichannel base station. The admission control implements an algorithm for frequency allocation to mobile nodes, and guarantees timely treatment of real-time traffic. The proposed online heuristic frequency allocation algorithm is compared to other known heuristic algorithms: round robin over channels and fill one channel first. The goal with the heuristic algorithms is to maximize the number of supported mobile nodes. Our results show that when the high utilization part of the traffic have shorter deadlines it is advantageous to differentiate different types of nodes onto separate frequencies, whilst if the deadline is increased it is advantageous to mix different types of nodes on each frequency. © Copyright 2015 IEEE

Place, publisher, year, edition, pages
Los Alamitos, CA: IEEE Computer Society, 2015
Keyword
Military training radio networks, real-time guarantees, admission control, EDF scheduling, MAC, multichannel
National Category
Engineering and Technology
Identifiers
urn:nbn:se:hh:diva-29203 (URN)10.1109/ISORC.2015.28 (DOI)000380606500019 ()2-s2.0-84962891450 (Scopus ID)978-1-4799-8781-8 (ISBN)
Conference
2015 IEEE 18th International Symposium on Real-Time Distributed Computing (IEEE ISORC), Auckland, New Zealand, Apr. 13-17, 2015
Available from: 2015-08-15 Created: 2015-08-15 Last updated: 2017-12-11Bibliographically approved
3. Performance Evaluation of LTE/LTE-A DRX: A Markovian Approach
Open this publication in new window or tab >>Performance Evaluation of LTE/LTE-A DRX: A Markovian Approach
2015 (English)In: IEEE Internet of Things Journal, ISSN 2327-4662, Vol. 3, no 3, 386-397 p., 7303883Article in journal (Refereed) Published
Abstract [en]

LTE/LTE-A are emerging communication technologies on the way towards 5G telecommunication systems. Ubiquitous adoption of connectivity in between different kinds of sensors, wearable devices and other low-power equipment raises an importance of the energy-efficient wireless communications. In LTE/LTE-A the Discontinuous Reception Mechanism (DRX) aims at power saving of User Equipment (UE) devices. In the paper we present an analysis of DRX, which is novel in two dimensions. First, our analytical approach is different to existing ones due to the use of Markov chain instead of a semi-Markov ones. Secondly, along with the generic traffic models we also analyze the efficiency of DRX for military training application systems, what has not been done before. We suggest few practical recommendations regarding the DRX parameters tuning also. © 2015 IEEE.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Press, 2015
Keyword
LTE/LTE-A, DRX, power saving, energy efficiency, wake-up delay, machine-to-machine communication, military training, IoT
National Category
Communication Systems
Identifiers
urn:nbn:se:hh:diva-29336 (URN)10.1109/JIOT.2015.2493370 (DOI)000377481700013 ()2-s2.0-84969821510 (Scopus ID)
Available from: 2015-08-31 Created: 2015-08-31 Last updated: 2017-12-11Bibliographically approved

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