hh.sePublikationer
Ändra sökning
Länk till posten
Permanent länk

Direktlänk
BETA
Publikationer (10 of 29) Visa alla publikationer
Kunert, K., Jonsson, M., Böhm, A. & Nordström, T. (2017). Providing Efficient Support for Real-Time Guarantees in a Fibre-Optic AWG-Based Network for Embedded Systems. Optical Switching and Networkning Journal, 24, 47-56
Öppna denna publikation i ny flik eller fönster >>Providing Efficient Support for Real-Time Guarantees in a Fibre-Optic AWG-Based Network for Embedded Systems
2017 (Engelska)Ingår i: Optical Switching and Networkning Journal, ISSN 1573-4277, E-ISSN 1872-9770, Vol. 24, s. 47-56Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

High-performance embedded systems running real-time applications demand communication solutions providing high data rates and low error probabilities, properties inherent to optical solutions. However, providing timing guarantees for deadline bound applications in this context is far from basic due to the parallelism inherent in multiwavelength networks and often bound to include a large amount of pessimism. Assuming deterministic medium access, an admission control algorithm using a schedulability analysis can ensure deadline guarantees for real-time communication. The traffic dependency analysis presented in this paper is specifically targeting a multichannel context, taking into consideration the possibility of concurrent transmissions in these types of networks. Combining our analysis with a feasibility analysis in admission control, the amount of guaranteed hard real-time traffic could be shown to increase by a factor 7 in a network designed for a radar signal processing case. Using this combination of analysis methods will render possible an increased amount of hard real-time traffic over a given multichannel network, leading to a more efficient bandwidth utilization by deadline dependent applications without having to redesign the network or the medium access method.

Ort, förlag, år, upplaga, sidor
Amsterdam: Elsevier, 2017
Nyckelord
Real-time communication, Embedded system, Worst-case analysis, Multiwavelength network, Arrayed waveguide grating
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
urn:nbn:se:hh:diva-32469 (URN)10.1016/j.osn.2016.11.004 (DOI)000392776500006 ()2-s2.0-85006944209 (Scopus ID)
Tillgänglig från: 2016-11-22 Skapad: 2016-11-22 Senast uppdaterad: 2018-03-23Bibliografiskt granskad
Böhm, A. & Kunert, K. (2016). Data age based MAC scheme for fast and reliable communication within and between platoons of vehicles. In: International Conference on Wireless and Mobile Computing, Networking and Communications: . Paper presented at 12th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2016, New York, United States, 17 October 2016 through 19 October 2016. Piscataway: IEEE
Öppna denna publikation i ny flik eller fönster >>Data age based MAC scheme for fast and reliable communication within and between platoons of vehicles
2016 (Engelska)Ingår i: International Conference on Wireless and Mobile Computing, Networking and Communications, Piscataway: IEEE, 2016Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Heavy vehicles driving as platoon with highly reduced inter-vehicle gaps has shown considerable fuel saving potential, but put high timing and reliability requirements on the underlying control data exchange. The recently standardized IEEE 802.11p protocol suite for Vehicular Ad-Hoc Networks (VANETs) and its message types do neither support the demands of a platooning application nor take advantage of its properties. We therefore propose a framework for centralized channel access with retransmission capabilities for safety critical control data exchange based on the data age of earlier received messages, DA-RE (Data Age based REtransmission scheme). A simulation comparison to the 802.11p random access Medium Access Control (MAC) protocol shows that the intelligent assignment of retransmission opportunities considerably improves the reliability of platooning control data. We also propose a power control based scheme for early platoon detection allowing several platoons to temporarily share a channel and show that the safe and reliable operation of their vehicles is not compromised. © 2016 IEEE.

Ort, förlag, år, upplaga, sidor
Piscataway: IEEE, 2016
Nyckelord
Access control, Ad hoc networks, Electronic data interchange, Fuel economy, Medium access control, Mobile computing, Power control, Safety engineering, Vehicles, Medium access control protocols, Reliability requirements, Reliable communication, Reliable operation, Retransmission scheme, Retransmissions, Simulation comparison, Vehicular Adhoc Networks (VANETs), Vehicular ad hoc networks
Nationell ämneskategori
Kommunikationssystem Datorteknik Telekommunikation
Identifikatorer
urn:nbn:se:hh:diva-37785 (URN)10.1109/WiMOB.2016.7763224 (DOI)2-s2.0-85014161477 (Scopus ID)978-1-5090-0724-0 (ISBN)978-1-5090-0725-7 (ISBN)
Konferens
12th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2016, New York, United States, 17 October 2016 through 19 October 2016
Tillgänglig från: 2018-08-27 Skapad: 2018-08-27 Senast uppdaterad: 2018-08-27Bibliografiskt granskad
Jonsson, M., Kunert, K. & Kallerdahl, A. (2015). Analysing AFDX Networks Using End-to-end Response Time Analysis. Journal of Interconnection Networks (JOIN), 14(4), Article ID 1350017.
Öppna denna publikation i ny flik eller fönster >>Analysing AFDX Networks Using End-to-end Response Time Analysis
2015 (Engelska)Ingår i: Journal of Interconnection Networks (JOIN), ISSN 0219-2659, Vol. 14, nr 4, artikel-id 1350017Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper, we present a novel real-time analysis framework for AFDX (Avionics Full Duplex Switched Ethernet) networks. The framework, based on end-to-end response time analysis, calculates not only delay bounds, but also the maximum jitter for each VL (Virtual Link) at each hop, which is necessary according to the AFDX standard. Moreover, the framework supports multicasting, i.e., VLs with several paths, and VLs with arbitrary delay bounds, i.e., shorter, longer, or equal to their periods. An analysis method to calculate the worst-case buffer population is included in the framework, as it is important to guarantee that no buffer-overflow occurs. With a performance surpassing that of Network Calculus and comparable with Trajectory Approach, our framework presents a good choice due to its many features and its foundation in well-accepted analysis methods.

Ort, förlag, år, upplaga, sidor
Singapore: World Scientific, 2015
Nyckelord
AFDX, response time analysis
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
urn:nbn:se:hh:diva-29206 (URN)10.1142/S0219265913500175 (DOI)
Anmärkning

Accepted Dec. 2014 and published online Feb. 2015. According to the publisher, it has the publication year 2013 instead.

Tillgänglig från: 2015-08-15 Skapad: 2015-08-15 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Böhm, A. & Kunert, K. (2015). Data age based retransmission scheme for reliable control data exchange in platooning applications. In: 2015 IEEE International Conference on Communication Workshop (ICCW): . Paper presented at IEEE International Conference on Communication Workshop, ICCW 2015, London, United Kingdom, 8-12 June, 2015 (pp. 2412-2418). Piscataway, NJ: IEEE Press
Öppna denna publikation i ny flik eller fönster >>Data age based retransmission scheme for reliable control data exchange in platooning applications
2015 (Engelska)Ingår i: 2015 IEEE International Conference on Communication Workshop (ICCW), Piscataway, NJ: IEEE Press, 2015, s. 2412-2418Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Recent advances in cooperative driving hold the potential to significantly improve safety, comfort and efficiency on our roads. Platooning of heavy vehicles, where automated or semi-automated driving allows minimal inter-vehicle gaps, has shown considerable reductions in fuel consumption. Although using the same wireless communication technology, a platoon differs from a VANET (Vehicular Ad-hoc NETwork) in several points. It is centralized in its nature, with a well-defined group leader, its topology is fairly stable and it has very challenging requirements on timeliness and reliability of its control data exchange. Therefore, the IEEE 802.11p protocol suite and its recently defined message types do neither support the needs of a platooning application nor take advantage of its properties. A platoons control loop must continuously be fed with fresh data, so the information age is an important parameter to be closely monitored. In this paper, we therefore propose a framework for centralized channel access and retransmission capabilities for safety critical inter-platoon control data based on the data age of earlier received messages. A simulation evaluation compares our solution to a) the decentralized, standard-compliant IEEE 802.11p MAC (Medium Access Control) method, and a time-slotted scheme b) with and c) without retransmissions and shows that the centralized, data age based retransmission scheme clearly outperforms its competitors in terms of maintained data age. © 2015 IEEE.

Ort, förlag, år, upplaga, sidor
Piscataway, NJ: IEEE Press, 2015
Nyckelord
Protocols, Reliability, Safety, Standardization, Topology, Vehicles, Vehicular ad hoc networks
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
urn:nbn:se:hh:diva-30164 (URN)10.1109/ICCW.2015.7247542 (DOI)000380459900396 ()2-s2.0-84947773393 (Scopus ID)978-146736305-1 (ISBN)
Konferens
IEEE International Conference on Communication Workshop, ICCW 2015, London, United Kingdom, 8-12 June, 2015
Forskningsfinansiär
KK-stiftelsen
Anmärkning

Article number: 7247542

Tillgänglig från: 2016-01-14 Skapad: 2016-01-14 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Böhm, A., Jonsson, M., Kunert, K. & Vinel, A. (2014). Context-Aware Retransmission Scheme for Increased Reliability in Platooning Applications. In: Communication Technologies for Vehicles: 6th International Workshop, Nets4Cars/Nets4Trains/Nets4Aircraft 2014, Offenburg, Germany, May 6-7, 2014. Proceedings. Paper presented at 6th International Workshop on Communication Technologies for Vehicles, Nets4Cars/Nets4Trains/Nets4Aircraft 2014, Offenburg, Germany, May 6-7, 2014 (pp. 30-42). Cham: Springer
Öppna denna publikation i ny flik eller fönster >>Context-Aware Retransmission Scheme for Increased Reliability in Platooning Applications
2014 (Engelska)Ingår i: Communication Technologies for Vehicles: 6th International Workshop, Nets4Cars/Nets4Trains/Nets4Aircraft 2014, Offenburg, Germany, May 6-7, 2014. Proceedings, Cham: Springer, 2014, s. 30-42Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Recent advances in cooperative driving hold the potential to significantly improve safety, comfort and efficiency on our roads. An application of particular interest is platooning of vehicles, where reduced inter-vehicle gaps lead to considerable reductions in fuel consumption. This, however, puts high requirements on timeliness and reliability of the underlying exchange of control data. Considering the difficult radio environment and potentially long distances between communicating platoon members, as well as the random channel access method used by the IEEE 802.11p standard for short-range inter-vehicle communication, those requirements are very difficult to meet. The relatively static topology of a platoon, however, enables us to preschedule communication within the platoon over a dedicated service channel. Furthermore, we are able to set aside parts of the available bandwidth for retransmission of packets in order to fulfil the reliability requirements stated by the platoon control application. In this paper, we describe the platooning framework along with the scheduling algorithm used to assign retransmission slots to control packets that are most likely to need them. This retransmission scheduling scheme offers a valuable tool for system designers when answering questions about the number of safely supported vehicles in a platoon, achievable reductions in inter-vehicle gaps and periodicity of control packets. © 2014 Springer International Publishing.

Ort, förlag, år, upplaga, sidor
Cham: Springer, 2014
Serie
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), ISSN 0302-9743 ; 8435
Nyckelord
Platooning, cooperative driving, VANETs, real-time communication, vehicular communication, retransmission scheme, scheduling
Nationell ämneskategori
Telekommunikation
Identifikatorer
urn:nbn:se:hh:diva-27395 (URN)10.1007/978-3-319-06644-8_4 (DOI)000342904600004 ()2-s2.0-84901650581 (Scopus ID)978-3-319-06643-1 (ISBN)978-3-319-06644-8 (ISBN)
Konferens
6th International Workshop on Communication Technologies for Vehicles, Nets4Cars/Nets4Trains/Nets4Aircraft 2014, Offenburg, Germany, May 6-7, 2014
Tillgänglig från: 2015-01-05 Skapad: 2015-01-05 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Ramazanali, H., Jonsson, M., Kunert, K. & Bilstrup, U. (2014). Military Training Network with Admission Control using Real-Time Analysis. In: 2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD): . Paper presented at 2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Athens, Greece, December 1-3, 2014 (pp. 249-254). Piscataway, NJ: IEEE Press, Article ID 7033244.
Öppna denna publikation i ny flik eller fönster >>Military Training Network with Admission Control using Real-Time Analysis
2014 (Engelska)Ingår i: 2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Piscataway, NJ: IEEE Press, 2014, s. 249-254, artikel-id 7033244Konferensbidrag, Publicerat paper (Refereegranskat)
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.

Ort, förlag, år, upplaga, sidor
Piscataway, NJ: IEEE Press, 2014
Nyckelord
Military training radio networks, real-time guarantees, admission control, EDF scheduling, MAC
Nationell ämneskategori
Telekommunikation
Identifikatorer
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)
Konferens
2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Athens, Greece, December 1-3, 2014
Tillgänglig från: 2015-01-06 Skapad: 2015-01-06 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Ganjalizadeh, M., Jonsson, M. & Kunert, K. (2014). Reliability Enhancement for Hard Real-Time Communication in Industrial Packet-Switched Networks. In: Magnus Jonsson, Alexey Vinel, Boris Bellalta & Evgeny Belyaev (Ed.), Multiple Access Communications: 7th International Workshop, MACOM 2014, Halmstad, Sweden, August 27-28, 2014. Proceedings. Paper presented at 7th International Workshop on Multiple Access Communications (MACOM 2014), Halmstad, Sweden, Aug. 27-28, 2014 (pp. 59-74). Cham: Springer, 8715
Öppna denna publikation i ny flik eller fönster >>Reliability Enhancement for Hard Real-Time Communication in Industrial Packet-Switched Networks
2014 (Engelska)Ingår i: Multiple Access Communications: 7th International Workshop, MACOM 2014, Halmstad, Sweden, August 27-28, 2014. Proceedings / [ed] Magnus Jonsson, Alexey Vinel, Boris Bellalta & Evgeny Belyaev, Cham: Springer, 2014, Vol. 8715, s. 59-74Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Large industrial control and automation applications require reliable communication with strict timing constraints between distributed communication equipment. Packet-switched networks are widely used as a high-speed, deterministic, and low-cost solution to handle these types of distributed real-time systems. Although research on guaranteeing timing requirements in packet-switched networks has been done, communication reliability is still an open problem for hard real-time applications. In this paper, a framework for enhancing the reliability in multihop packet-switched networks is presented. Moreover, an admission control mechanism using a real-time analysis is suggested to provide deadline guarantees for hard real-time traffic. The performance evaluation of the proposed solution shows a possible enhancement of the message error rate by several orders of magnitude while the decrease in network utilization stays at a reasonable level. © Springer International Publishing Switzerland 2014

Ort, förlag, år, upplaga, sidor
Cham: Springer, 2014
Serie
Lecture Notes in Computer Science, ISSN 0302-9743 ; 8715
Nyckelord
Distributed real-time systems, reliability, packet-switched network, hard real-time, industrial control
Nationell ämneskategori
Telekommunikation
Identifikatorer
urn:nbn:se:hh:diva-27412 (URN)10.1007/978-3-319-10262-7_6 (DOI)2-s2.0-84927602758 (Scopus ID)978-3-319-10261-0 (ISBN)978-3-319-10262-7 (ISBN)
Konferens
7th International Workshop on Multiple Access Communications (MACOM 2014), Halmstad, Sweden, Aug. 27-28, 2014
Tillgänglig från: 2015-01-06 Skapad: 2015-01-06 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Jonsson, M., Kunert, K. & Bilstrup, U. (2013). A real-time medium access protocol supporting dynamic spectrum allocation in industrial networks. In: Magnus Jonsson, Alexey Vinel, Boris Bellalta, Ninoslav Marina, Desislava Dimitrova, Dieter Fiems (Ed.), Multiple Access Communications: 6th International Workshop, MACOM 2013, Vilnius, Lithuania, December 16-17, 2013. Proceedings. Paper presented at 6th International Workshop on Multiple Access Communications (MACOM 2013), Vilnius, Lithuania, Dec. 16-17 (pp. 54-69). Heidelberg: Springer
Öppna denna publikation i ny flik eller fönster >>A real-time medium access protocol supporting dynamic spectrum allocation in industrial networks
2013 (Engelska)Ingår i: Multiple Access Communications: 6th International Workshop, MACOM 2013, Vilnius, Lithuania, December 16-17, 2013. Proceedings / [ed] Magnus Jonsson, Alexey Vinel, Boris Bellalta, Ninoslav Marina, Desislava Dimitrova, Dieter Fiems, Heidelberg: Springer, 2013, s. 54-69Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Cognitive radio with spectrum sensing and spectrum reuse has great opportunities for industrial networking. Adapting to the current interference situation and utilising the available frequencies in an effective manner can greatly improve the data delivery capabilities. At the same time, real-time demands must be met. In this paper, we present a medium access control protocol supporting dynamic spectrum allocation as done in cognitive radio networks, providing deterministic medium access for heterogeneous traffic. The possibility of spectrum sensing in the nodes opens up for the possibility of increasing successful data transmissions, and a real-time analysis framework with three formalized constraints to be tested provides support for guaranteed timely treatment of hard real-time traffic. The real-time analysis framework includes a new type of delay check that more exactly bounds the delay compared to earlier work. Simulation experiments and performance comparisons are provided. © 2013 Springer International Publishing

Ort, förlag, år, upplaga, sidor
Heidelberg: Springer, 2013
Serie
Lecture Notes in Computer Science, ISSN 0302-9743 ; 8310
Nyckelord
Real-Time Guarantees, Medium Access Control, Cognitive radio
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
urn:nbn:se:hh:diva-24280 (URN)10.1007/978-3-319-03871-1_6 (DOI)2-s2.0-84893120139 (Scopus ID)978-3-319-03870-4 (ISBN)978-3-319-03871-1 (ISBN)
Konferens
6th International Workshop on Multiple Access Communications (MACOM 2013), Vilnius, Lithuania, Dec. 16-17
Forskningsfinansiär
KK-stiftelsen
Tillgänglig från: 2014-01-03 Skapad: 2014-01-03 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Jonsson, M., Kunert, K. & Böhm, A. (2013). Increased communication reliability for delay-sensitive platooning applications on top of IEEE 802.11p. In: Marion Berbineau, Magnus Jonsson, Jean-Marie Bonnin, Soumaya Cherkaoui, Marina Aguado, Cristina Rico-Garcia, Hassan Ghannoum, Rashid Mehmood, Alexey Vinel (Ed.), Communication Technologies for Vehicles: 5th International Workshop, Nets4Cars/Nets4Trains 2013, Villeneuve d’Ascq, France, May 14-15, 2013. Proceedings. Paper presented at 5th International Workshop on Communication Technologies for Vehicles, Nets4Cars/Nets4Trains 2013, Villeneuve d’Ascq, France, May 14-15, 2013 (pp. 121-135). Heidelberg: Springer Berlin/Heidelberg
Öppna denna publikation i ny flik eller fönster >>Increased communication reliability for delay-sensitive platooning applications on top of IEEE 802.11p
2013 (Engelska)Ingår i: Communication Technologies for Vehicles: 5th International Workshop, Nets4Cars/Nets4Trains 2013, Villeneuve d’Ascq, France, May 14-15, 2013. Proceedings / [ed] Marion Berbineau, Magnus Jonsson, Jean-Marie Bonnin, Soumaya Cherkaoui, Marina Aguado, Cristina Rico-Garcia, Hassan Ghannoum, Rashid Mehmood, Alexey Vinel, Heidelberg: Springer Berlin/Heidelberg, 2013, s. 121-135Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Cooperative driving in platooning applications has received much attention lately due to its potential to lower fuel consumption and improve safety and efficiency on our roads. However, the recently adopted standard for vehicular communication, IEEE 802.11p, fails to support the level of reliability and real-time properties required by highly safety-critical applications. In this paper, we propose a communication and real-time analysis framework over a dedicated frequency channel for platoon applications and show that our retransmission scheme is able to decrease the message error rate of control data exchange within a platoon of moderate size by several orders of magnitude while still guaranteeing that all delay bounds are met. Even for long platoons with up to seventeen members the message error rate is significantly reduced by retransmitting erroneous packets without jeopardizing the timely delivery of regular data traffic. © 2013 Springer-Verlag.

Ort, förlag, år, upplaga, sidor
Heidelberg: Springer Berlin/Heidelberg, 2013
Serie
Lecture Notes in Computer Science, ISSN 0302-9743 ; 7865
Nyckelord
Platooning, real-time communication, vehicular communication, retransmission scheme, real-time scheduling analysis
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
urn:nbn:se:hh:diva-24282 (URN)10.1007/978-3-642-37974-1_10 (DOI)2-s2.0-84883424353 (Scopus ID)978-3-642-37973-4 (ISBN)978-3-642-37974-1 (ISBN)
Konferens
5th International Workshop on Communication Technologies for Vehicles, Nets4Cars/Nets4Trains 2013, Villeneuve d’Ascq, France, May 14-15, 2013
Forskningsfinansiär
KK-stiftelsen
Tillgänglig från: 2014-01-03 Skapad: 2014-01-03 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Kunert, K., Jonsson, M. & Bilstrup, U. (2012). Deterministic real-time medium access for cognitive industrial radio networks. In: Thomas Nolte & Andreas Willig (Ed.), 2012 9th IEEE International Workshop Factory Communication Systems: WFWC 2012, Proceedings. Paper presented at IEEE International Workshop on Factory Communication Systems (WFCS 2012), May 21-24, Lemgo/Detmold, Germany (pp. 91-94). Piscataway: IEEE Press
Öppna denna publikation i ny flik eller fönster >>Deterministic real-time medium access for cognitive industrial radio networks
2012 (Engelska)Ingår i: 2012 9th IEEE International Workshop Factory Communication Systems: WFWC 2012, Proceedings / [ed] Thomas Nolte & Andreas Willig, Piscataway: IEEE Press, 2012, s. 91-94Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Industrial communication often has to work in an environment where other networks or radiation create different levels of interference for the data traffic. Additionally, industrial applications often demand predictable real-time performance of the network. One way of trying to utilise the available frequencies in an effective manner is to include cognitive functionality in the network. We present a medium access control protocol for a cognitive radio network, providing deterministic medium access for heterogeneous traffic and dynamic spectrum allocation. Spectrum sensing abilities in the nodes open up for the possibility of increasing successful data transmissions, and a real-time analysis framework provides upper-bounded medium access delay in order to guarantee timely treatment of hard real-time traffic. © 2012 IEEE.

Ort, förlag, år, upplaga, sidor
Piscataway: IEEE Press, 2012
Nyckelord
access protocols, cognitive radio, radiofrequency interference
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
urn:nbn:se:hh:diva-19509 (URN)10.1109/WFCS.2012.6242549 (DOI)2-s2.0-84866487593 (Scopus ID)978-1-4673-0692-8 (ISBN)978-1-4673-0693-5 (ISBN)978-1-4673-0691-1 (ISBN)
Konferens
IEEE International Workshop on Factory Communication Systems (WFCS 2012), May 21-24, Lemgo/Detmold, Germany
Tillgänglig från: 2012-09-07 Skapad: 2012-09-07 Senast uppdaterad: 2018-03-22Bibliografiskt granskad
Projekt
Pålitliga inbyggda trådlösa infrastrukturer [2014-00854_Vinnova]; Högskolan i HalmstadECSEL 2016 IA Secure COnnected Trustable Things (SCOTT) [2017-01947_Vinnova]; Högskolan i Halmstad
Organisationer
Identifikatorer
ORCID-id: ORCID iD iconorcid.org/0000-0001-7730-094X

Sök vidare i DiVA

Visa alla publikationer