On the performance, availability and energy consumption modelling of clustered IoT systems

Article

Ever, E., Shah, P., Mostarda, L., Omondi, F. and Gemikonakli, O. 2019. On the performance, availability and energy consumption modelling of clustered IoT systems. Computing. 101 (12), pp. 1935-1970. https://doi.org/10.1007/s00607-019-00720-9
TypeArticle
TitleOn the performance, availability and energy consumption modelling of clustered IoT systems
AuthorsEver, E., Shah, P., Mostarda, L., Omondi, F. and Gemikonakli, O.
Abstract

Wireless sensor networks (WSNs) form a large part of the ecosystem of the Internet of Things (IoT), hence they have numerous application domains with varying performance and availability requirements. Limited resources that include processing capability, queue capacity, and available energy in addition to frequent node and link failures degrade the performance and availability of these networks. In an attempt to efficiently utilise the limited resources and to maintain the reliable network with efficient data transmission; it is common to select a clustering approach, where a cluster head is selected among the diverse IoT devices. This study presents the stochastic performance as well as the energy evaluation model for WSNs that have both node and link failures. The model developed considers an integrated performance and availability approach. Various duty cycling schemes within the medium-access control of the WSNs are also considered to incorporate the impact of sleeping/idle states that are presented using analytical modeling. The results presented using the proposed analytical models show the effects of factors such as failures, various queue capacities and system scalability. The analytical results presented are in very good agreement with simulation results and also present an important fact that the proposed models are very useful for identification of thresholds between WSN system characteristics.

KeywordsWSNs; IoT; Energy consumption; Stochastic models; Performability; Clustering
PublisherSpringer
JournalComputing
ISSN0010-485X
Electronic1436-5057
Publication dates
Online02 May 2019
PrintDec 2019
Publication process dates
Deposited08 Jul 2019
Accepted22 Apr 2019
Output statusPublished
Accepted author manuscript
Copyright Statement

This is a post-peer-review, pre-copyedit version of an article published in Computing. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00607-019-00720-9

Digital Object Identifier (DOI)https://doi.org/10.1007/s00607-019-00720-9
Web of Science identifierWOS:000491601200008
LanguageEnglish
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Trestian, R., Vien, Q., Shah, P. and Mapp, G. 2015. Exploring energy consumption issues for multimedia streaming in LTE HetNet small cells. 2015 IEEE 40th Conference on Local Computer Networks (LCN 2015). Clearwater Beach, Florida, USA 26 - 29 Oct 2015 IEEE. pp. 498-501 https://doi.org/10.1109/LCN.2015.7366362
On the coverage and power allocation for downlink in heterogeneous wireless cellular networks
Vien, Q., Akinbote, T., Nguyen, H., Trestian, R. and Gemikonakli, O. 2015. On the coverage and power allocation for downlink in heterogeneous wireless cellular networks. IEEE International Conference on Communications (ICC 2015). London, UK 08 - 12 Jun 2015 IEEE. pp. 4641-4646 https://doi.org/10.1109/ICC.2015.7249055
Disaster management communication networks: challenges and architecture design
Ali, K., Nguyen, H., Vien, Q. and Shah, P. 2015. Disaster management communication networks: challenges and architecture design. 2015 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops 2015). St. Louis, Missouri, USA 23 - 27 Mar 2015 IEEE. pp. 537-542 https://doi.org/10.1109/PERCOMW.2015.7134094
Packet arrival analysis in wireless sensor networks
Doddapaneni, K., Shah, P., Ever, E., Tasiran, A., Omondi, F., Mostarda, L. and Gemikonakli, O. 2015. Packet arrival analysis in wireless sensor networks. IEEE 29th International Conference on Advanced Information Networking and Applications Workshops (WAINA), 2015. Gwangiu, South Korea 24 - 27 Mar 2015 IEEE. pp. 164-169 https://doi.org/10.1109/WAINA.2015.101
A framework for energy based performability models for wireless sensor networks
Omondi, F., Shah, P., Gemikonakli, O. and Ever, E. 2015. A framework for energy based performability models for wireless sensor networks. IEEE 29th International Conference on Advanced Information Networking and Applications Workshops (WAINA-2015). Gwangju, South Korea 24 - 27 Mar 2015 IEEE. pp. 175-180 https://doi.org/10.1109/WAINA.2015.111
On the impact of video content type on the mobile device energy consumption
Trestian, R., Vien, Q., Nguyen, H. and Gemikonakli, O. 2015. On the impact of video content type on the mobile device energy consumption. 2015 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB 2015). Ghent, Belgium 17 - 19 Jun 2015 https://doi.org/10.1109/BMSB.2015.7177206
ECO-M: energy-efficient cluster-oriented multimedia delivery in a LTE D2D environment
Trestian, R., Vien, Q., Nguyen, H. and Gemikonakli, O. 2015. ECO-M: energy-efficient cluster-oriented multimedia delivery in a LTE D2D environment. IEEE International Conference on Communications (ICC 2015). London, UK 08 - 12 Jun 2015 IEEE. pp. 55-61 https://doi.org/10.1109/ICC.2015.7248298
Low complexity sub-block perceptual distortion assessment for mode decision and rate-control
Joshi, Y., Loo, J., Shah, P., Rahman, S. and Tasiran, A. 2015. Low complexity sub-block perceptual distortion assessment for mode decision and rate-control. 2015 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB 2015). Ghent, Belgium 17 - 19 Jun 2015 IEEE. pp. 1-9 https://doi.org/10.1109/BMSB.2015.7177262
Secure live virtual machines migration: issues and solutions
Aiash, M., Mapp, G. and Gemikonakli, O. 2014. Secure live virtual machines migration: issues and solutions. IEEE AINA 2014. Victoria, BC, Canada 13 - 16 May 2014
Comparison between resource reservation protocol and next steps in signalling in mobile IP networks
Mirzamany, E., Lasebae, A. and Gemikonakli, O. 2014. Comparison between resource reservation protocol and next steps in signalling in mobile IP networks. IET Networks. https://doi.org/10.1049/iet-net.2013.0028
SLA based MT-routing for future internet
Mirzamany, E., Lasebae, A. and Gemikonakli, O. 2014. SLA based MT-routing for future internet. Wireless World Research Forum Meeting 32. Marrakech, Morocco 18 - 22 May 2014
An efficient traffic engineering based on multi-topology routing for future internet
Mirzamany, E., Lasebae, A. and Gemikonakli, O. 2014. An efficient traffic engineering based on multi-topology routing for future internet. Computer Networks. https://doi.org/10.1016/j.comnet.2014.05.008
Distributed space-time-frequency block code for cognitive wireless relay networks
Vien, Q., Stewart, B., Nguyen, H. and Gemikonakli, O. 2014. Distributed space-time-frequency block code for cognitive wireless relay networks. IET Communications. 8 (5), pp. 754-766. https://doi.org/10.1049/iet-com.2013.0374
Performance analysis of cooperative spectrum sensing for cognitive wireless radio networks over Nakagami-m fading channels
Vien, Q., Nguyen, H., Trestian, R., Shah, P. and Gemikonakli, O. 2014. Performance analysis of cooperative spectrum sensing for cognitive wireless radio networks over Nakagami-m fading channels. 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC). Washington DC, DC, USA 02 - 05 Sep 2014 Institute of Electrical and Electronics Engineers (IEEE). pp. 738-742 https://doi.org/10.1109/PIMRC.2014.7136262
On demand multicast routing in wireless sensor networks
Sule, C., Shah, P., Doddapaneni, K., Gemikonakli, O. and Ever, E. 2014. On demand multicast routing in wireless sensor networks. Advanced Information Networking and Applications Workshops (WAINA 2014). Victoria, BC, Canada 13 - 16 May 2014 Institute of Electrical and Electronics Engineers (IEEE). pp. 233-238 https://doi.org/10.1109/WAINA.2014.47
Deployment challenges and developments in wireless sensor networks clustering
Doddapaneni, K., Omondi, F., Ever, E., Shah, P., Gemikonakli, O. and Gagliardi, R. 2014. Deployment challenges and developments in wireless sensor networks clustering. Advanced Information Networking and Applications Workshops (WAINA), 2014 28th International Conference on. Victoria, Canada 13 - 16 May 2014 IEEE. pp. 227-232 https://doi.org/10.1109/WAINA.2014.46
Relay selection for efficient HARQ-IR protocols in relay-assisted multisource multicast networks
Vien, Q., Nguyen, H., Shah, P., Ever, E. and To, D. 2014. Relay selection for efficient HARQ-IR protocols in relay-assisted multisource multicast networks. IEEE 79th Vehicular Technology Conference: VTC2014-Spring. Seoul, Korea (South) 18 - 21 May 2014 IEEE. pp. 1-5 https://doi.org/10.1109/VTCSpring.2014.7023073
Exploring efficient seamless handover in VANET systems using network dwell time
Ghosh, A., Parathaman, V., Mapp, G. and Gemikonakli, O. 2014. Exploring efficient seamless handover in VANET systems using network dwell time. EURASIP Journal on Wireless Communications and Networking. 2014 (1), pp. 1-19. https://doi.org/10.1186/1687-1499-2014-227
An efficient cooperative spectrum sensing under bandwidth constraint with user selection
Vien, Q., Nguyen, H., Gemikonakli, O. and Barn, B. 2014. An efficient cooperative spectrum sensing under bandwidth constraint with user selection. 2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall). Vancouver, BC, Canada 14 - 17 Sep 2014 IEEE. pp. 1-5 https://doi.org/10.1109/VTCFall.2014.6965868
Performance analysis of cooperative transmission for cognitive wireless relay networks
Vien, Q., Nguyen, H., Gemikonakli, O. and Barn, B. 2013. Performance analysis of cooperative transmission for cognitive wireless relay networks. 2013 IEEE Global Communications Conference (GLOBECOM). Atlanta, GA, USA 09 - 13 Dec 2013 IEEE. pp. 4186-4191 https://doi.org/10.1109/GLOCOM.2013.6831730
Performability modelling of handoff in wireless cellular networks with channel failures and recovery
Kirsal, Y. and Gemikonakli, O. 2009. Performability modelling of handoff in wireless cellular networks with channel failures and recovery. in: 11th International Conference on Computer Modelling and Simulation (UKSIM '09) IEEE. pp. 544-547
Modelling mixed access-patterns in network-based systems
Thakker, D., Mapp, G. and Gemikonakli, O. 2009. Modelling mixed access-patterns in network-based systems. in: 11th International Conference on Computer Modelling and Simulation (UKSIM '09) IEEE. pp. 514-519
Effects of IDSs on the WSNs lifetime: evidence for the need of new approaches
Doddapaneni, K., Ever, E., Gemikonakli, O. and Mostarda, L. 2012. Effects of IDSs on the WSNs lifetime: evidence for the need of new approaches. The 11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom-12). Liverpool, United Kingdom 25 - 27 Jun 2012 IEEE. pp. 907-912 https://doi.org/10.1109/TrustCom.2012.137
Exploring service and buffer management issues to provide integrated voice and data services in single and multi channel wireless networks
Gemikonakli, E., Mapp, G., Gemikonakli, O. and Ever, E. 2013. Exploring service and buffer management issues to provide integrated voice and data services in single and multi channel wireless networks. The 27th IEEE International Conference on Advanced Information Networking and Applications (AINA-2013). Barcelona, Spain 25 - 28 Mar 2013
Enhancing the modelling of vertical handover in integrated cellular/WLAN environments
Kirsal, Y., Ever, E., Mapp, G. and Gemikonakli, O. 2013. Enhancing the modelling of vertical handover in integrated cellular/WLAN environments. The 27th IEEE International Conference on Advanced Information Networking and Applications (AINA-2013). Barcelona, Spain 25 - 28 Mar 2013
An efficient resource reservation for domain based mobile IP networks: analytical approach
Mirzamany, E., Lasebae, A. and Gemikonakli, O. 2013. An efficient resource reservation for domain based mobile IP networks: analytical approach. IEEE 77th Vehicular Technology Conference (VTC2013-Spring). Dresden, Germany 02 - 05 Jun 2013
A novel low complexity local hybrid pseudo-SSIM-SATD distortion metric towards perceptual rate control
Joshi, Y., Loo, J., Shah, P., Rahman, S. and Chang, Y. 2013. A novel low complexity local hybrid pseudo-SSIM-SATD distortion metric towards perceptual rate control. 8th IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB 2013). London, UK 05 - 07 Jun 2013 IEEE. pp. 1-6 https://doi.org/10.1109/BMSB.2013.6621695
Exploring service and buffer management issues to provide integrated voice and data services in single and multi-channel wireless networks
Gemikonakli, E., Mapp, G., Gemikonakli, O. and Ever, E. 2013. Exploring service and buffer management issues to provide integrated voice and data services in single and multi-channel wireless networks. in: 2013 IEEE 27th International Conference on Advanced Information Networking and Applications (AINA) IEEE. pp. 1056-1063
Efficient NSIS mobility support for mobile networks
Mirzamany, E., Lasebae, A. and Gemikonakli, O. 2013. Efficient NSIS mobility support for mobile networks. IEEE 24th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC). London, UK 08 - 11 Sep 2013 IEEE. pp. 3354-3359 https://doi.org/10.1109/PIMRC.2013.6666727
Review of standard traditional distortion metrics and a need for perceptual distortion metric at a (sub) macroblock level
Joshi, Y., Shah, P., Loo, J. and Rahman, S. 2013. Review of standard traditional distortion metrics and a need for perceptual distortion metric at a (sub) macroblock level. 8th IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB 2013). London, UK 05 - 07 Jun 2013 IEEE. https://doi.org/10.1109/BMSB.2013.6621755
Modelling wireless sensor networks for performability evaluation
Omondi, F., Ever, E., Shah, P. and Gemikonakli, O. 2013. Modelling wireless sensor networks for performability evaluation. The 12th International Conference on Ad Hoc Networks and Wireless, (ADHOC-NOW 2013). Wrocław, Poland 08 - 10 Jul 2013 Springer. pp. 172-184 https://doi.org/10.1007/978-3-642-39247-4_15
A hybrid approach to minimize state space explosion problem for the solution of two stage tandem queues
Ever, E., Gemikonakli, O., Kocyigit, A. and Gemikonakli, E. 2013. A hybrid approach to minimize state space explosion problem for the solution of two stage tandem queues. Journal of Network and Computer Applications. 36 (2), pp. 908-926. https://doi.org/10.1016/j.jnca.2012.10.006
Using aggregated RSVP in nested HMIPv6
Mirzamany, E., Lasebae, A. and Gemikonakli, O. 2012. Using aggregated RSVP in nested HMIPv6. Wireless Communications and Mobile Computing Conference (IWCMC), 2012 8th International. IEEE. pp. 716 -721 https://doi.org/10.1109/IWCMC.2012.6314292
Critical review of analytical modelling approaches for performability evaluation of the handover phenomena in mobile communication systems
Kirsal, Y., Ever, E., Gemikonakli, O. and Mapp, G. 2011. Critical review of analytical modelling approaches for performability evaluation of the handover phenomena in mobile communication systems. IEEE International Conference on Computer and Information Technology (CIT 2011). pp. 132-137 https://doi.org/10.1109/CIT.2011.45
The use of Markov Modulated Poisson Process (MMPP) in open queuing systems with breakdowns and repairs
Ever, E., Gemikonakli, O., Chakka, R. and Do, T. 2005. The use of Markov Modulated Poisson Process (MMPP) in open queuing systems with breakdowns and repairs. Prep 2005.
Modelling and performability analysis of WLANs as a queuing model with channel/access point failures and reconfiguration
Kirsal, Y., Ever, E., Gemikonakli, O. and Mapp, G. 2011. Modelling and performability analysis of WLANs as a queuing model with channel/access point failures and reconfiguration. EMS. Los Alamitos, CA IEEE Computer Society. pp. 440-445 https://doi.org/10.1109/EMS.2011.33
UHEED - an unequal clustering algorithm for wireless sensor networks
Ever, E., Luchmun, R., Mostarda, L., Navarra, A. and Shah, P. 2012. UHEED - an unequal clustering algorithm for wireless sensor networks. Sensornets 2012. Rome, Italy 24 - 26 Feb 2012
Approximate solution for two stage open networks with Markov-modulated queues minimizing the state space explosion problem
Gemikonakli, O., Ever, E. and Kocyigit, A. 2009. Approximate solution for two stage open networks with Markov-modulated queues minimizing the state space explosion problem. Journal of Computational and Applied Mathematics. 223 (1), pp. 519-533. https://doi.org/10.1016/j.cam.2008.02.009
Analytical modelling and simulation of small scale, typical and highly available Beowulf clusters with breakdowns and repairs
Ever, E., Gemikonakli, O. and Chakka, R. 2009. Analytical modelling and simulation of small scale, typical and highly available Beowulf clusters with breakdowns and repairs. Simulation modelling practice and theory. 17 (2), pp. 327-347. https://doi.org/10.1016/j.simpat.2008.08.016
Traffic modelling in WLANs and cellular networks.
Gemikonakli, E., Mapp, G., Gemikonakli, O., Ever, E. and Middlesex University 2011. Traffic modelling in WLANs and cellular networks. First Global Conference on Communication, Science and Information Engineering (CCSIE 2011). Middlesex University 25 - 27 Jul 2011
The development of a dynamic and robust event-based routing protocol in wireless sensor networks for environment monitoring.
Rantisi, M., Maquosi, A., Mapp, G., Gemikonakli, O., PSUT University, Petra University and Middlesex University 2011. The development of a dynamic and robust event-based routing protocol in wireless sensor networks for environment monitoring. First Global Conference on Communication, Science and Information Engineering (CCSIE 2011). Middlesex University 25 - 27 Jul 2011
Balancing streaming and demand accesses in a network based storage environment.
Thakker, D., Mapp, G., Gemikonakli, O. and Middlesex University 2010. Balancing streaming and demand accesses in a network based storage environment. in: Sobh, T., Elleithy, K. and Mahmood, A. (ed.) Novel algorithms and techniques in telecommunications and networking. London, New York Springer. pp. 403-408
Ultra-high density scanning electrical probe phase-change memory for archival storage.
Wang, L., Shah, P., Wright, C., Aziz, M., Sebastian, A., Pozidis, H. and Pauza, A. 2010. Ultra-high density scanning electrical probe phase-change memory for archival storage. International Symposium on Optical Memory. Taiwan Oct 2010
Asymmetric MAP decoding for perpendicular magnetic recording
Ahmed, M., Farhner, A. and Shah, P. 2005. Asymmetric MAP decoding for perpendicular magnetic recording. International Symposium on Physics of Magnetic Materials (ISPMM 2005). Singapore 14 - 16 Sep 2005
Novel multi-level magnetic recording using modern error correction.
Shah, P., Ahmed, M., Ambroze, M., Tjhai, C. and Davey, P. 2006. Novel multi-level magnetic recording using modern error correction. European Phase Change and Ovonic Symposium. Grenoble, France
New method for generalised PR target design for perpendicular magnetic recording
Shah, P., Ahmed, M. and Kurihara, Y. 2007. New method for generalised PR target design for perpendicular magnetic recording. The Eighth Perpendicular Magnetic Recording Conference (PMRC 2007). Tokyo International Forum, Tokyo, Japan
Impacts of buffering voice calls in integrated voice and data services
Gemikonakli, E., Gemikonakli, O., Ever, E., Mapp, G. and Institute of Electrical and Electronics Engineers 2011. Impacts of buffering voice calls in integrated voice and data services. Al-Dabass, D., Orsoni, A., Cant, R. and Abraham, A. (ed.) IEEE. pp. 507-512 https://doi.org/10.1109/UKSIM.2011.103
Optimisation of the recording and readout performance of phase-change media for scanning probe storage applications
Wright, C., Aziz, M., Wang, L. and Shah, P. 2009. Optimisation of the recording and readout performance of phase-change media for scanning probe storage applications. European Phase Change and Ovonic Symposium. Aachen, Germany Sep 2009
Towards ultra-high density scanning-probe memory using rewritable phase-change media
Wang, L., Shah, P., Wright, C. and Aziz, M. 2010. Towards ultra-high density scanning-probe memory using rewritable phase-change media. European Phase Change and Ovonic Conference. Milan, Italy 05 - 07 Sep 2010
Phase-change technologies: from PCRAM to probe-storage to processors
Wright, C., Ashawaraya, P., Ashwin, P., Aziz, M., Hicken, R., Kohary, K., Liu, Y., Marmier, A., Shah, P., Vazquez, J. and Wang, L. 2010. Phase-change technologies: from PCRAM to probe-storage to processors. European Phase Change and Ovonic Conference. Milano 05 - 07 Sep 2010
DALICA: intelligent agents for user profile deduction.
Costantini, S., Mostarda, L., Tocchio, A., Tsintza, P. and Knowledge Systems Institute Graduate School. 2007. DALICA: intelligent agents for user profile deduction. I. Illinois Knowledge Systems Institute Graduate School,.
Agents and security in a cultural assets transport scenario.
Costantini, S., Mostarda, L., Tocchio, A. and Tsintza, P. 2007. Agents and security in a cultural assets transport scenario. Workshop from Objects to Agents.. Genova, Italy 24 - 25 Sep 2007
A geo time authentication system.
Mostarda, L., Tocchio, A., Inverardi, P. and Costantini, S. 2007. A geo time authentication system. Springer. https://doi.org/10.1007/978-0-387-73655-6_9
Place and time authentication of cultural assets.
Mostarda, L., Dong, C. and Dulay, N. 2008. Place and time authentication of cultural assets. Springer.
A state machine-based approach for reliable adaptive distributed systems.
Mostarda, L., Sykes, D. and Dulay, N. 2010. A state machine-based approach for reliable adaptive distributed systems. Sterritt, R. and McCann, J. (ed.) IEEE. https://doi.org/10.1109/EASe.2010.19
A policy-based publish/subscribe middleware for sense-and-react applications
Russello, G., Mostarda, L. and Dulay, N. 2011. A policy-based publish/subscribe middleware for sense-and-react applications. Journal of Systems and Software. 84 (4), pp. 638-654. https://doi.org/10.1016/j.jss.2010.10.023
A distributed intrusion detection approach for secure software architecture.
Inverardi, P. and Mostarda, L. 2005. A distributed intrusion detection approach for secure software architecture. Springer. https://doi.org/10.1007/11494713_12
Synthesis of correct and distributed adaptors for component-based systems: an automatic approach.
Inverardi, P., Mostarda, L., Tivoli, M. and Autili, M. 2005. Synthesis of correct and distributed adaptors for component-based systems: an automatic approach. IEEE. pp. 405-409
A distributed monitoring system for enhancing security and dependability at architectural level.
Inverardi, P. and Mostarda, L. 2007. A distributed monitoring system for enhancing security and dependability at architectural level. Springer. https://doi.org/10.1109/AINA.2006.145
Distributed IDSs for enhancing security in mobile wireless sensor networks.
Inverardi, P., Mostarda, L. and Navarra, A. 2006. Distributed IDSs for enhancing security in mobile wireless sensor networks. 20th International Conference on Advanced Information Networking and Applications (AINA). IEEE. pp. 116-120 https://doi.org/10.1109/AINA.2006.145
DESERT: a decentralized monitoring tool generator.
Inverardi, P. and Mostarda, L. 2007. DESERT: a decentralized monitoring tool generator. IEEE.
Synthesis of decentralized and concurrent adaptors for correctly assembling distributed component-based systems
Autili, M., Mostarda, L., Navarra, A. and Tivoli, M. 2008. Synthesis of decentralized and concurrent adaptors for correctly assembling distributed component-based systems. Journal of Systems and Software. 81 (12), pp. 2210-2236. https://doi.org/10.1016/j.jss.2008.04.006
Distributed intrusion detection systems for enhancing security in mobile wireless sensor networks.
Mostarda, L. and Navarra, A. 2008. Distributed intrusion detection systems for enhancing security in mobile wireless sensor networks. International Journal of Distributed Sensor Networks. 4 (2), pp. 83-109. https://doi.org/10.1080/15501320802001119
DALICA: Agent-based ambient intelligence for cultural-heritage scenarios
Costantini, S., Mostarda, L., Tocchio, A. and Tsintza, P. 2008. DALICA: Agent-based ambient intelligence for cultural-heritage scenarios. IEEE Intelligent Systems. 23 (2), pp. 34-41. https://doi.org/10.1109/MIS.2008.24
ESCAPE: a component-based policy framework for sense and react applications.
Russello, G., Mostarda, L. and Dulay, N. 2008. ESCAPE: a component-based policy framework for sense and react applications. Springer. https://doi.org/10.1007/978-3-540-87891-9_14
Policies for self tuning home networks.
Pediaditakis, D., Mostarda, L., Dong, C. and Dulay, N. 2009. Policies for self tuning home networks. POLICY 2009, IEEE International Symposium on Policies for Distributed Systems and Networks.. London 20 - 22 Jul 2009 pp. 29-32
Context-based authentication and transport of cultural assets.
Mostarda, L., Dong, C. and Dulay, N. 2010. Context-based authentication and transport of cultural assets. Personal and Ubiquitous Computing. 14 (4), pp. 321-334. https://doi.org/10.1007/s00779-009-0233-8
An architectural framework for analyzing tradeoffs between software security and performance.
Cortellessa, V., Trubiani, C., Mostarda, L. and Dulay, N. 2010. An architectural framework for analyzing tradeoffs between software security and performance. ISARCS 2010: 1st International Symposium on Architecting Critical Systems Federated with CompArch 2010. Prague 23 - 25 Jun 2010 pp. 1-18
Distributed fault tolerant controllers
Mostarda, L., Ball, R. and Dulay, N. 2010. Distributed fault tolerant controllers. Springer. https://doi.org/10.1007/978-3-642-13645-0_11
Distributed orchestration of pervasive services.
Mostarda, L., Marinovic, S. and Dulay, N. 2010. Distributed orchestration of pervasive services. and Applications. IEEE. pp. 166-173 https://doi.org/10.1109/AINA.2010.100
Implementation of non-pipelined and pipelined data encryption standard (DES) using Xilinx Virtex-6 FPGA technology.
Ever, E., Taherkhani, S. and Gemikonakli, O. 2010. Implementation of non-pipelined and pipelined data encryption standard (DES) using Xilinx Virtex-6 FPGA technology. IEEE. pp. 1257-1262 https://doi.org/10.1109/CIT.2010.227
Performance modelling of virtualized servers.
Gemikonakli, O., Ever, E. and Gemikonakli, E. 2010. Performance modelling of virtualized servers. IEEE. pp. 434-440 https://doi.org/10.1109/UKSIM.2010.86
Performability modelling of a Kerberos server with frequent key renewal under pseudo-secure conditions for increased security
Ever, E., Kirsal, Y. and Gemikonakli, O. 2009. Performability modelling of a Kerberos server with frequent key renewal under pseudo-secure conditions for increased security. in: 2009 International Conference on the Current Trends in Information Technology (CTIT 2009) IEEE.
Performability modelling of handoff in wireless cellular networks and the exact solution of system models with service rates dependent on numbers of originating and handoff calls.
Ever, E., Kirsal, Y. and Gemikonakli, O. 2009. Performability modelling of handoff in wireless cellular networks and the exact solution of system models with service rates dependent on numbers of originating and handoff calls. Kunovsky, J., Hanacek, P., Zboril, F., Al-Dabass, D. and Abraham, A. (ed.) IEEE. pp. 282-287 https://doi.org/10.1109/CSSim.2009.44
The design of rewritable ultrahigh density scanning-probe phase-change memories
Wright, C., Wang, L., Shah, P., Aziz, M., Varesi, E., Bez, R., Moroni, M. and Cazzaniga, F. 2011. The design of rewritable ultrahigh density scanning-probe phase-change memories. IEEE Transactions on Nanotechnology. 10 (4), pp. 900-912. https://doi.org/10.1109/TNANO.2010.2089638
Ultra high density scanning electrical probe phase-change memory for archival storage
Wang, L., Wright, C., Shah, P., Aziz, M., Sebastian, A., Pozidis, H. and Pauza, A. 2011. Ultra high density scanning electrical probe phase-change memory for archival storage. Japanese Journal of Applied Physics. 50 (9S1), pp. 1-2. https://doi.org/10.1143/JJAP.50.09MD04
Multi-channel distributed coordinated function over single radio in wireless sensor networks
Campbell, C., Loo, J., Gemikonakli, O., Khan, S. and Singh, D. 2011. Multi-channel distributed coordinated function over single radio in wireless sensor networks. Sensors. 11 (1), pp. 964-991. https://doi.org/10.3390/s110100964
Scanning probe memories - Technology and applications
Wright, C., Aziz, M., Shah, P. and Wang, L. 2011. Scanning probe memories - Technology and applications. Current Applied Physics. 11 (2, Supplement), pp. e104-e109. https://doi.org/10.1016/j.cap.2010.11.130
Write strategies for multiterabit per square inch scanned-probe phase-change memories
Wright, C., Shah, P., Wang, L., Aziz, M., Sebastian, A. and Pozidis, H. 2010. Write strategies for multiterabit per square inch scanned-probe phase-change memories. Applied Physics Letters. 97 (17). https://doi.org/10.1063/1.3506584
Exploring gate-limited analytical models for high-performance network storage servers
Mapp, G., Thakker, D., Gemikonakli, O. and Middlesex University 2011. Exploring gate-limited analytical models for high-performance network storage servers. Journal of Computer and System Sciences. 77 (5). https://doi.org/10.1016/j.jcss.2010.08.002
An analytical approach for performance analysis of handoffs in the next generation integrated cellular networks and WLANs
Kirsal, Y., Gemikonakli, E., Ever, E., Mapp, G., Gemikonakli, O. and Middlesex University 2010. An analytical approach for performance analysis of handoffs in the next generation integrated cellular networks and WLANs. IEEE. https://doi.org/10.1109/ICCCN.2010.5560093
Exploring a new Markov chain model for multiqueue systems.
Mapp, G., Thakker, D. and Gemikonakli, O. 2010. Exploring a new Markov chain model for multiqueue systems. Al-Dabass, D., Orsoni, A., Cant, R. and Abraham, A. (ed.) IEEE Computer Society. pp. 592-597 https://doi.org/10.1109/UKSIM.2010.113
The design of re-writeable ultra-high density scanning-probe phase-change memories
Wright, C., Wang, L., Shah, P., Aziz, M., Varesi, E., Bez, R., Moroni, M. and Cazzaniga, F. 2010. The design of re-writeable ultra-high density scanning-probe phase-change memories. IEEE Transactions on Nanotechnology. https://doi.org/10.1109/TNANO.2010.2089638
Level dependent band QBD processes: Steady state solution and applications.
Gemikonakli, O., Chakka, R., Papp, D. and Do, T. 2004. Level dependent band QBD processes: Steady state solution and applications. in: Exploring the effect of inter-flow interference on TCP performance in http://www.comp.brad.ac.uk/het-net/HET-NETs04/CameraPapers/WP8.pdf. Glasgow University of Glasgow, Department of Computing Science. pp. WP8/1-WP8/6
A solution for the problem of trusted third party for IEEE 802.11b networks
Gemikonakli, O., Kirsal, Y. and Eneh, A. 2005. A solution for the problem of trusted third party for IEEE 802.11b networks. in: Merabti, M. (ed.) 6th Annual postgraduate symposium on the convergence of telecommunications, networking and broadcasting: PGNET 2005. Liverpool Liverpool John Moores University, School of Computing & Mathematical Sciences. pp. 333-338
Improving Kerberos security through the combined use of the timed authentication protocol and frequent key renewal
Gemikonakli, O. and Kirsal, Y. 2008. Improving Kerberos security through the combined use of the timed authentication protocol and frequent key renewal. in: Cybernetics and intelligent systems: 2008 IEEE Conference Institute of Electrical and Electronics Engineers. pp. 153-158
Further improvements to the Kerberos timed authentication protocol
Gemikonakli, O. and Kirsal, Y. 2008. Further improvements to the Kerberos timed authentication protocol. in: Sobh, T. (ed.) Advances in computer and information sciences and engineering. Dordrecht Springer.
Frequent key renewal under pseudo-secure conditions for increased security in kerberos authentication and its impact on system performability
Gemikonakli, O. and Kirsal, Y. 2007. Frequent key renewal under pseudo-secure conditions for increased security in kerberos authentication and its impact on system performability. in: Jahankhani, H. (ed.) Global e-Security: proceedings of the 3rd Annual International Conference, 2007 ICGeS.
An authentication protocol to address the problem of the trusted 3rd Party authentication protocols
Gemikonakli, O. and Kirsal, Y. 2007. An authentication protocol to address the problem of the trusted 3rd Party authentication protocols. in: Elleithy, K. (ed.) Advances and innovations in systems, computing sciences and software engineering. Springer.
Modelling and performability analysis of network memory servers.
Gemikonakli, O., Mapp, G., Thakker, D., Ever, E. and Society for Modeling and Simulation International 2006. Modelling and performability analysis of network memory servers. in: 39th Annual Simulation Symposium: proceedings. California IEEE Computer Society. pp. 127-134
Modelling network memory servers with parallel processors, break-downs and repairs.
Gemikonakli, O., Mapp, G., Ever, E. and Thakker, D. 2007. Modelling network memory servers with parallel processors, break-downs and repairs. California IEEE Computer Society. pp. 11-20 https://doi.org/10.1109/ANSS.2007.29
Analysis of a phase-shift technique for inter-modulation cancellation proposed for 2-Carrier QPSK Systems.
Gemikonakli, O. 2006. Analysis of a phase-shift technique for inter-modulation cancellation proposed for 2-Carrier QPSK Systems. in: ICCTA '06: International conference on information and communication technologies; from theory to applications, 24-28 April 2006, Damascus, Syria. Institute of Electrical and Electronics Engineers.
E-Government and its Applications.
Gemikonakli, O. 2006. E-Government and its Applications. The Chamber of Architects and Engineers, TRNC. Nicosia, Cyprus, Aug 2006
A phase-shift technique for intermodulation cancellation.
Gemikonakli, O. and Institution of Electrical Engineers 2003. A phase-shift technique for intermodulation cancellation. in: Ninth international conference on HF radio systems and techniques. London IEEE. pp. 75-77
Analysis of security protocols for authentication in distributed systems
Gemikonakli, O. and Eneh, A. 2006. Analysis of security protocols for authentication in distributed systems. in: Cardoso, J. (ed.) Special issue: applied reconfigurable computing: papers selected from the First International Workshop on Applied Reconfigurable Computing (ARC 2005), held in conjunction with the IADIS International Conference Applied Computing (AC2005) in Algarve. London Taylor and Francis. pp. 301-305
The pre-emptive protocol design and analysis: hope for secure communication in societies with economic deprivation.
Gemikonakli, O. and Eneh, A. 2005. The pre-emptive protocol design and analysis: hope for secure communication in societies with economic deprivation. International journal of technology, knowledge and society.. 1 (5), pp. 35-42.
A new performance model for web servers.
Gemikonakli, O., Chakka, R., Do, T., Le Xhat, T. and École Supérieure d'Ingénieurs en Électronique et Électrotechnique. 2004. A new performance model for web servers. in: Attiya, G. and Hamam, Y. (ed.) 5th EUROSIM congress on modeling and simulation. Paris ESIEE.
Approaches to modelling open networks with bursty arrivals.
Gemikonakli, O., Chakka, R. and Harrison, P. 2002. Approaches to modelling open networks with bursty arrivals. in: Kouvatsos, D. (ed.) Performance modelling and evaluation of ATM & IP networks: [15 papers selected from those originally accepted at the eighth IFIP workshop on 'performance modelling and evaluation of ATM&IP networks']. Amsterdam Elsevier.
Modelling multiserver systems with time or operation dependent breakdowns, alternate repair strategies, reconfiguration and rebooting delays
Gemikonakli, O., Chakka, R. and Basappa, P. 2002. Modelling multiserver systems with time or operation dependent breakdowns, alternate repair strategies, reconfiguration and rebooting delays. in: Obaidat, M. (ed.) Proceedings of the 2002 international symposium on performance evaluation of computer and telecommunication systems, SPECTS 2002. San Diego, Calif. Society for Modeling and Simulation International.
Analytical modelling of large scale multi-server systems with deferred repairs: a reward rate approach.
Kocyigit, A., Ever, E., Gemikonakli, O. and Institute of Electrical and Electronics Engineers 2008. Analytical modelling of large scale multi-server systems with deferred repairs: a reward rate approach. in: Computer modeling and simulation , 2008 . EMS '08 . Second UKSIM European symposium. IEEE Computer Society. pp. 447-452
Cost reduction in high power computing using a deferred repair strategy: a simulation study
Kocyigit, A., Gemikonakli, O. and Ever, E. 2008. Cost reduction in high power computing using a deferred repair strategy: a simulation study. in: Al-Dabass, D. (ed.) UKSIM 2008: Tenth International Conference on Computer Modelling and Simulation: proceedings. Los Alamitos, California IEEE Computer Society. pp. 354-359
Numerical solution to the performability of a multiprocessor system with reconfiguration and rebooting delays.
Ever, E., Gemikonakli, O., Chakka, R., Do, T. and European conference on modelling and simulation (19th) 2005. Numerical solution to the performability of a multiprocessor system with reconfiguration and rebooting delays. in: Merkuryev, Y., Zobel, R. and Kerchoffs, E. (ed.) Simulation in wider Europe: 19th European conference on modelling and simulation ECMS 2005. ECMS. pp. 766-770
Approximate solution for the performability of Markovian queuing networks with a large number of servers.
Gemikonakli, O., Sanei, H. and Ever, E. 2007. Approximate solution for the performability of Markovian queuing networks with a large number of servers. 5th International Workshop on Signal Processing for Wireless Communication SPWC 2007,. London, UK 06 - 08 Jun 2007
An analytical approach for optimising the number of repairmen for large scale, homogeneous, multi-server systems
Ever, E., Gemikonakli, O., Sanei, H. and Kocyigit, A. 2008. An analytical approach for optimising the number of repairmen for large scale, homogeneous, multi-server systems. EMSS 2008: 20th European modeling and simulation symposium. Briatico, Italy
A mathematical model for performability evaluation of heterogeneous multiprocessor systems with reconfiguration and rebooting delays.
Ever, E., Gemikonakli, O., Chakka, R. and Do, T. 2005. A mathematical model for performability evaluation of heterogeneous multiprocessor systems with reconfiguration and rebooting delays. in: Teixeira, J. (ed.) Modelling and simulation 2005: the European simulation and modelling conference 2005, ESM 2005. Ghent EUROSIS.
Performability analysis of highly available clusters with break-downs and deferred repairs.
Ever, E., Gemikonakli, O. and Chakka, R. 2006. Performability analysis of highly available clusters with break-downs and deferred repairs. HET-NETs '06 : 4th International working conference on performance modelling and evaluation of heterogeneous networks.. Ilkley, West Yorkshire, U.K pp. 05/1-05/9
A mathematical model for performability of Beowulf clusters.
Ever, E., Gemikonakli, O. and Chakka, R. 2006. A mathematical model for performability of Beowulf clusters. in: 39th Annual Simulation Symposium: proceedings. California IEEE Computer Society. pp. 118-126
A mathematical model for highly available clusters with one head and several identical computing nodes.
Ever, E., Gemikonakli, O. and Chakka, R. 2006. A mathematical model for highly available clusters with one head and several identical computing nodes. in: Al-Begain, K., Al-Dabass, D. and Orsoni, A. (ed.) UKSIM 2006: 9th International conference on computer modelling and simulation. Oxford United Kingdom Society for Modelling and Simulation. pp. 32-37
Mathematical modelling for performability analysis of homogeneous multi-server systems with deferred repairs.
Ever, E. and Gemikonakli, O. 2006. Mathematical modelling for performability analysis of homogeneous multi-server systems with deferred repairs. in: The proceedings of the European Modelling Symposium: 11-12 September 2006. London UCL. pp. 84-88
Joint-state modeling for open queuing networks with breakdowns, repairs and finite buffers.
Chakka, R., Ever, E. and Gemikonakli, O. 2007. Joint-state modeling for open queuing networks with breakdowns, repairs and finite buffers. MASCOTS 2007: 15th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems.. Istanbul, Turkey 24 - 26 Oct 2007 IEEE. pp. 260-266 https://doi.org/10.1109/MASCOTS.2007.29
Modelling open networks with breakdowns, repairs and finite buffers: using an IPP departure process model
Chakka, R., Ever, E. and Gemikonakli, O. 2006. Modelling open networks with breakdowns, repairs and finite buffers: using an IPP departure process model. 10th International Conference on Computers. Athens, Greece 13 - 15 Jul 2006
An approach to modelling open networks with unreliable servers and finite buffers.
Chakka, R., Ever, E. and Gemikonakli, O. 2006. An approach to modelling open networks with unreliable servers and finite buffers. WSEAS Transactions on Computers. 5 (11), pp. 2536-2543.
Novel soft-feedback equalization method for multilevel magnetic recording
Shah, P., Ahmed, M., Ambroze, M., Tjhai, C. and Davey, P.J. 2007. Novel soft-feedback equalization method for multilevel magnetic recording. Tenth joint Magnetism and Magnetic Materials - International Magentics (MMM–INTERMAG) conference. Baltimore, Maryland, USA 07 - 11 Jan 2007 IEEE. https://doi.org/10.1109/TMAG.2007.894010
An overview of analysis of security standards for authentication in distributed systems.
Gemikonakli, O. and Eneh, A. 2005. An overview of analysis of security standards for authentication in distributed systems. in: Weghorn, H. (ed.) Proceedings : and the proceedings of workshops: WIS '05, MSVVEIS '05, NLUCS '05, IWUC '05, WOSIS '05, CSAC '05, PRIS '05, WSMDEIS '05 and DCEIS '05 ; Miami, U.S.A., May 24 - 28, 2005 Setúbal Institute for Systems and Technologies of Information, Control and Communication.