Dr Orhan Gemikonakli

NameDr Orhan Gemikonakli
Job titleProfessor of Telecommunications
Research institute
Primary appointmentS&T School Leadership
Contact categoryAcademic staff (past)

Research outputs

REDO: a reinforcement learning-based dynamic routing algorithm selection method for SDN

Al-Jawad, A., Comsa, I., Shah, P., Gemikonakli, O. and Trestian, R. 2021. REDO: a reinforcement learning-based dynamic routing algorithm selection method for SDN. 2021 IEEE NFV-SDN. Virtual Conference 09 - 11 Nov 2021 IEEE. pp. 54-59 https://doi.org/10.1109/NFV-SDN53031.2021.9665140

An innovative reinforcement learning-based framework for quality of service provisioning over multimedia-based SDN environments

Al-Jawad, A., Comsa, I., Shah, P., Gemikonakli, O. and Trestian, R. 2021. An innovative reinforcement learning-based framework for quality of service provisioning over multimedia-based SDN environments. IEEE Transactions on Broadcasting. 67 (4), pp. 851-867. https://doi.org/10.1109/TBC.2021.3099728

Performance evaluation of routing strategies over multimedia-based SDNs under realistic environments

Al-Jawad, A., Shah, P., Gemikonakli, O., Comsa, I. and Trestian, R. 2020. Performance evaluation of routing strategies over multimedia-based SDNs under realistic environments. 6th IEEE NetSoft 2020. Virtual Conference (originally planned for Ghent, Belgium, Belgium) 29 Jun - 03 Jul 2020 Institute of Electrical and Electronics Engineers (IEEE). pp. 160-164 https://doi.org/10.1109/NetSoft48620.2020.9165521

A study of the effectiveness of Edmodo on Preservice classroom teachers' views of web-assisted collaborative learning environments, sense of community of classroom, and perceived learning

Hamutoglu, N., Gemikonakli, O. and Gezgin, D. 2019. A study of the effectiveness of Edmodo on Preservice classroom teachers' views of web-assisted collaborative learning environments, sense of community of classroom, and perceived learning. Science Education International. 30 (2), pp. 128-137. https://doi.org/10.33828/sei.v30.i2.6

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

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

Policy-based QoS management framework for software-defined networks

Al-Jawad, A., Shah, P., Gemikonakli, O. and Trestian, R. 2018. Policy-based QoS management framework for software-defined networks. ISNCC 2018: International Symposium on Networks, Computers and Communications. Rome, Italy 19 - 21 Jun 2018 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ISNCC.2018.8530994

LearnQoS: a learning approach for optimizing QoS over multimedia-based SDNs

Al-Jawad, A., Shah, P., Gemikonakli, O. and Trestian, R. 2018. LearnQoS: a learning approach for optimizing QoS over multimedia-based SDNs. 13th IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB). Valencia, Spain 06 - 08 Jun 2018 IEEE. pp. 1-6 https://doi.org/10.1109/BMSB.2018.8436781

An active tangible user interface framework for teaching and learning artificial intelligence

De Raffaele, C., Smith, S. and Gemikonakli, O. 2018. An active tangible user interface framework for teaching and learning artificial intelligence. ACM IUI 2018: 23rd ACM Conference on Intelligent User Interfaces. Tokyo, Japan 07 - 11 Mar 2018 Association for Computing Machinery (ACM). pp. 535-546 https://doi.org/10.1145/3172944.3172976

Does the assumption of exponential arrival distributions in wireless sensor networks hold?

Doddapaneni, K., Tasiran, A., Omondi, F., Ever, E., Shah, P., Mostarda, L. and Gemikonakli, O. 2018. Does the assumption of exponential arrival distributions in wireless sensor networks hold? International Journal of Sensor Networks. 26 (2), pp. 81-100. https://doi.org/10.1504/IJSNET.2018.089258

Enabling the effective teaching and learning of advanced robotics in higher education using an active TUI framework

De Raffaele, C., Smith, S. and Gemikonakli, O. 2017. Enabling the effective teaching and learning of advanced robotics in higher education using an active TUI framework. 3rd Africa and Middle East Conference on Software Engineering. Cairo, Egypt 12 - 13 Dec 2017 Association for Computing Machinery (ACM). pp. 7-12 https://doi.org/10.1145/3178298.3178299

Social networks users: fear of missing out in preservice teachers

Gezgin, D., Hamutoglu, N., Gemikonakli, O. and Raman, I. 2017. Social networks users: fear of missing out in preservice teachers. Journal of Education and Practice. 8 (17), pp. 156-168.

A smart sensor grid to enhance irrigation techniques in Jordan using a novel event-based routing protocol

Rantisi, M., Mapp, G. and Gemikonakli, O. 2017. A smart sensor grid to enhance irrigation techniques in Jordan using a novel event-based routing protocol. Multimodal Technologies and Interaction. 1 (2). https://doi.org/10.3390/mti1020009

Explaining multi-threaded task scheduling using tangible user interfaces in higher educational contexts

De Raffaele, C., Smith, S. and Gemikonakli, O. 2017. Explaining multi-threaded task scheduling using tangible user interfaces in higher educational contexts. 2017 IEEE Global Engineering Education Conference (EDUCON). Athens, Greece 25 - 28 Apr 2017 IEEE. pp. 1383-1390 https://doi.org/10.1109/EDUCON.2017.7943028

The application of Tangible User Interfaces of teaching and learning in Higher Education

De Raffaele, C., Smith, S. and Gemikonakli, O. 2017. The application of Tangible User Interfaces of teaching and learning in Higher Education. in: Branch, J., Hayes, S., Hørsted, A. and Nygaard, C. (ed.) Innovative Teaching and Learning in Higher Education Oxfordshire, UK Libri Publishing. pp. 215-226

Admission control and buffer management of wireless communication systems with mobile stations and integrated voice and data services

Gemikonakli, E., Ever, E., Mapp, G. and Gemikonakli, O. 2017. Admission control and buffer management of wireless communication systems with mobile stations and integrated voice and data services. Telecommunication Systems. 65 (4), pp. 663-675. https://doi.org/10.1007/s11235-016-0259-y

Teaching and learning queueing theory concepts using Tangible User Interfaces

De Raffaele, C., Smith, S. and Gemikonakli, O. 2016. Teaching and learning queueing theory concepts using Tangible User Interfaces. 2016 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE 2016). Bangkok, Thailand 07 - 09 Dec 2016 IEEE. pp. 194-201 https://doi.org/10.1109/TALE.2016.7851794

Building a prototype VANET testbed to explore communication dynamics in highly mobile environments

Paranthaman, V., Ghosh, A., Mapp, G., Iniovosa, V., Shah, P., Nguyen, H., Gemikonakli, O. and Rahman, S. 2017. Building a prototype VANET testbed to explore communication dynamics in highly mobile environments. Guo, S., Wei, G., Xiang, Y., Lin, X. and Lorenz, P. (ed.) International Conference on Testbeds and Research Infrastructures (TridentCom 2016). Hangzhou, china 14 - 15 Jun 2016 Springer, Cham. pp. 81-90 https://doi.org/10.1007/978-3-319-49580-4_8

The aptness of tangible user interfaces for explaining abstract computer network principles

De Raffaele, C., Smith, S. and Gemikonakli, O. 2016. The aptness of tangible user interfaces for explaining abstract computer network principles. FIE 2016 -The 46th Annual Frontiers in Education (FIE) Conference. Erie, PA, USA 12 - 15 Oct 2016 IEEE. https://doi.org/10.1109/FIE.2016.7757573

Towards connecting people, locations and real-world events in a cellular network

Trestian, R., Shah, P., Nguyen, H., Vien, Q., Gemikonakli, O. and Barn, B. 2017. Towards connecting people, locations and real-world events in a cellular network. Telematics and Informatics. 34 (1), pp. 244-271. https://doi.org/10.1016/j.tele.2016.05.006

Compression-based technique for SDN using sparse-representation dictionary

Al-Jawad, A., Shah, P., Gemikonakli, O. and Trestian, R. 2016. Compression-based technique for SDN using sparse-representation dictionary. 15th IEEE/IFIP Network Operations and Management Symposium (NOMS 2016). Istanbul, Turkey 25 - 29 Apr 2016 IEEE. pp. 754-758 https://doi.org/10.1109/NOMS.2016.7502892

Enabling seamless V2I communications towards developing cooperative automotive applications in VANET systems

Ghosh, A., Paranthaman, V., Mapp, G., Gemikonakli, O. and Loo, J. 2015. Enabling seamless V2I communications towards developing cooperative automotive applications in VANET systems. IEEE Communications Magazine. 53 (12), pp. 80-86. https://doi.org/10.1109/MCOM.2015.7355570

A hybrid double-threshold based cooperative spectrum sensing over fading channels

Vien, Q., Nguyen, H., Trestian, R., Shah, P. and Gemikonakli, O. 2016. A hybrid double-threshold based cooperative spectrum sensing over fading channels. IEEE Transactions on Wireless Communications. 15 (3), pp. 1821-1834. https://doi.org/10.1109/TWC.2015.2496598

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

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

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

BaProbSDN: A probabilistic-based QoS routing mechanism for software defined networks

Al-Jawad, A., Trestian, R., Shah, P. and Gemikonakli, O. 2015. BaProbSDN: A probabilistic-based QoS routing mechanism for software defined networks. 1st IEEE Conference on Network Softwarization (NetSoft 2015). London, United Kingdom 13 - 17 Apr 2015 IEEE. pp. 1-5 https://doi.org/10.1109/NETSOFT.2015.7116128

Towards connecting people, locations and real-world events in a cellular network [conference item]

Trestian, R., Shah, P., Nguyen, H., Vien, Q., Gemikonakli, O. and Barn, B. 2015. Towards connecting people, locations and real-world events in a cellular network [conference item]. The main conference on the scientific analysis of mobile phone datasets (NetMob), Orange D4D Challenge. MIT Media Lab, USA 07 - 10 Apr 2015

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

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 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. in: 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communication (PIMRC) IEEE. pp. 738-742

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

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

Providing ubiquitous communication using handover techniques in VANET systems

Ghosh, A., Paranthaman, V., Mapp, G. and Gemikonakli, O. 2014. Providing ubiquitous communication using handover techniques in VANET systems. 2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET). Piran, Slovenia 02 - 04 Jun 2014 Institute of Electrical and Electronics Engineers (IEEE). pp. 195-202 https://doi.org/10.1109/MedHocNet.2014.6849124

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

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

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

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 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

Providing ubiquitous communication using road-side units in VANET systems: unveiling the challenges

Ghosh, A., Vardhan, V., Mapp, G., Gemikonakli, O. and Loo, J. 2013. Providing ubiquitous communication using road-side units in VANET systems: unveiling the challenges. 13th International Conference on ITS Telecommunications (ITST) 2013. Finland, Tampere 05 - 07 Nov 2013 pp. 74-79 https://doi.org/10.1109/ITST.2013.6685524

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

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

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

Implementing adaptation and reconfiguration strategies in heterogeneous WSN

Di Marco, A., Gallo, F., Gemikonakli, O., Mostarda, L. and Raimondi, F. 2013. Implementing adaptation and reconfiguration strategies in heterogeneous WSN. 27th IEEE International Conference on Advanced Information Networking and Applications (AINA-2013). Barcelona, Spain 25 - 28 Mar 2013 IEEE. pp. 477-483 https://doi.org/10.1109/AINA.2013.102

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

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

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

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

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

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

A model-driven engineering framework for architecting and analysing Wireless Sensor Networks

Doddapaneni, K., Ever, E., Gemikonakli, O., Malavolta, I., Mostarda, L. and Muccini, H. 2012. A model-driven engineering framework for architecting and analysing Wireless Sensor Networks. Third International Workshop on Software Engineering for Sensor Network Applications (SESENA'12). Zurich, Switzerland 02 Jun 2012 IEEE Press Piscataway, NJ, USA. pp. 1-7 https://doi.org/10.1109/SESENA.2012.6225729

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

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

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

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

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

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

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

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

Governance and risk management of network and information security: the role of public private partnerships in managing the existing and emerging risks

Navare, J. and Gemikonakli, O. 2010. Governance and risk management of network and information security: the role of public private partnerships in managing the existing and emerging risks. in: Jahankhani, H. and Hessami, A. (ed.) Communications in Computer and Information Science Berlin, Heidelberg Springer.

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

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

E-Government and its Applications.

Gemikonakli, O. 2006. E-Government and its Applications. The Chamber of Architects and Engineers, TRNC. Nicosia, Cyprus, Aug 2006

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

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

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

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

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

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.

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

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 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

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

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.

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

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.

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

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

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

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.

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

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.

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.

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 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.

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

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.
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