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For a list of publications sorted by area and a description of research work, please follow this link 


PUBLICATIONS LIST ( 750 citations as of September 2011, H-index = 12 – source: GOOGLE SCHOLAR)


Journal Publications

[J18] G. Iosifidis and I. Koutsopoulos, “Challenges in Auction theory driven Spectrum Management”, IEEE Communications Magazine, vol.49, no.8, pp.128-135, Aug. 2011. 

[J17] I. Koutsopoulos and L. Tassiulas, “Challenges in Demand load control for the Smart Grid”, to appear, IEEE Network Magazine, Sept. 2011.

[J16] I. Koutsopoulos and L. Tassiulas, “Fast Neighbor Positioning and Medium Access in Wireless Networks with Directional Antennnas”, Elsevier Ad hoc Networks, (Special Issue on Cross-layer design in Ad-hoc and Sensor Networks), accepted, Minor Revision.

[J15] R. Oliveira and I. Koutsopoulos, “Maximum throughput Access control in wireless LANs through Max-weight inspired policies”, IEEE Transactions on Vehicular Technology, vol.59, no.6, pp.3036-3046, July 2010.

 [J14] G. Iosifidis and I. Koutsopoulos, “Double auction mechanisms for resource allocation in autonomous networks”, IEEE Journal on Selected Areas in Communications (Special Issue on Recent Advances on Autonomic Networks), vol.28, no.1, pp.95-102, Jan. 2010.

[J13] I. Koutsopoulos and G. Iosifidis, “A framework for distributed bandwidth allocation in peer-to-peer networks”, Elsevier Performance Evaluation Journal, vol.67, no.4, pp.285-298, April 2010

[J12] M. Li, I. Koutsopoulos and R. Poovendran, “Optimal jamming attacks and network defense strategies in wireless sensor networks”, IEEE Transactions on Mobile Computing, vol.9, no,8, pp.1119-1133, Aug.  2010.

[J11] I. Koutsopoulos and L. Tassiulas, ''Optimal transmission rate control policies in a wireless link under partial state information'', IEEE Transactions on Automatic Control, vol.55,no.1, pp.127-131, Jan. 2010.

[J10] I. Koutsopoulos and L. Tassiulas, ''Carrier assignment algorithms for OFDM-based multi-carrier wireless networks with channel adaptation'', IEEE Transactions on Communications, vol. 56, no.12, pp.2190-2199, Dec. 2008.

 [J9] S. Radosavac, G. Moustakides, J.S. Baras and I. Koutsopoulos, "An analytic framework for modeling and detecting access layer misbehavior in wireless networks", ACM Transactions on Information and System Security, vol.11, no.4, pp.1-26, July 2008. 

 [J8] I. Koutsopoulos and L. Tassiulas, "The impact of space division multiplexing on resource allocation: a unified treatment of TDMA, OFDMA and CDMA'', IEEE Transactions on Communications, vol. 56, no.2, pp. 260-269, Feb. 2008.

[J7] I. Koutsopoulos and L. Tassiulas, ''Joint optimal access point selection and channel assignment in wireless networks'', IEEE/ACM Transactions on Networking, vol. 15, no.3, pp.521-532, June 2007.

[J6] I. Koutsopoulos, Ulas C. Kozat and L. Tassiulas, ''Dynamic resource allocation in deterministic-code CDMA systems with multi-rate provisioning'', IEEE Transactions on Mobile Computing, vol.5, no.12, pp.1780-1792, December 2006.

[J5] Ulas C. Kozat, I. Koutsopoulos and L. Tassiulas, ''Cross-layer design and power-efficiency considerations for QoS provisioning in multi-hop wireless networks'', IEEE Transactions on Wireless Communications, vol.5, no.11, pp.3306-3315, November 2006.

[J4] I. Koutsopoulos and L. Tassiulas, ''Cross-layer adaptive techniques for throughput enhancement in wireless OFDM-based networks'', IEEE/ACM Transactions on Networking, vol.14,  no.5,  pp.1056-1066,  October 2006.

[J3] I. Koutsopoulos and L. Tassiulas, ''Adaptive channel assignment in SDMA-based wireless LANs with transceiver resource limitations'', EURASIP Journal on Signal Processing, Special Issue on signal processing-assisted cross-layer designs, vol.86, no.8, pp.1879-1895, August 2006.

[J2] I. Koutsopoulos, K.P. Tsoukatos and K. Aggelis, ''Physical layer techniques and maximum throughput scheduling with antenna arrays'', IEEE Communications Letters,  vol.10,  no.6,  pp.465-467, June 2006.

[J1] I. Koutsopoulos and L. Tassiulas, ''Efficient resource utilization through carrier grouping for half-duplex communication in GSM-based MEO mobile satellite networks'', IEEE Transactions on Wireless Communications, vol.1, no.2, pp.342-352, April 2002.


Conference Publications

[C45]  L. Gatzikis, G.S. Paschos and I. Koutsopoulos, “Medium Access Games: The impact of energy constraints”, to appear, Proceedings of NETGCOOP, 2011.

[C44] I. Koutsopoulos, V. Hatzi and L. Tassiulas, “Optimal Energy Storage Control Policies for the Smart Power Grid”, Proceedings of IEEE SmartGridComm 2011.

[C43] Y. Kasdaridis, S. Keranidis, A. Fiamegkos, T. Korakis, I. Koutsopoulos and L. Tassiulas, ”Novel metrics and Experimentation insights for Dynamic Frequency Selection in wireless LANs”, ACM Mobicom Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization (WinTECH), 2011.

[C42] M. Halkidi and I. Koutsopoulos, “A game theoretic framework for data privacy preservation in Recommender systems", Proceedings of European Conference on Machine Learning and Principles and Practice of knowledge discovery in databases (ECML/PKDD), 2011.

[C41] I. Koutsopoulos and L. Tassiulas, “Control and Optimization meet the Smart Power Grid: Scheduling of power demands for optimal energy management”, Proceedings of 2nd International Conference on Energy-Efficient Computing and Networking (E-Energy), 2011.

[C40] I. Koutsopoulos, “Competition and Cooperation in Wireless Access Misbehavior”, Proceedings of WiOpt, 2011.

[C39] S. Keranidis, T. Korakis, I. Koutsopoulos and L. Tassiulas, “Contention and Traffic Load-aware Association in IEEE 802.11 WLANs: Algorithms and Implementation”, Proceedings of International Workshop on Wireless Network Measurements (WinMEE) (in WiOpt 2011), Princeton, USA.

[C38] M. Halkidi and I. Koutsopoulos, “Online Clustering of Distributed Streaming Data using Belief Propagation Techniques”, Proceedings of 12th International Conference on Mobile Data Management 2011, Lulea, Sweden.

[C37] G. Kyriakou, D. Stavropoulos, I. Koutsopoulos, T. Korakis and L. Tassiulas, “A framework and experimental study for discrimination of collision and channel errors in wireless LANs”, Proceedings of International Conference on Test-beds and Research Infrastructures for the Development of Networks and Communities (TridentCom), 2011.

[C36] G. Iosifidis, I. Koutsopoulos and G. Smaragdakis, “The impact of storage capacity on end-to-end delay in dynamic networks”,  Proceedings of IEEE INFOCOM 2011, Shanghai.

[C35] I. Koutsopoulos, S. Stanczak and A. Feistel, “Transmit rate control for energy efficient estimation in wireless sensor networks”, Proceedings of IEEE Global Telecommunications Conference (GLOBECOM) 2010, Miami. FL.

[C34] I. Koutsopoulos and G. Iosifidis, “Auction mechanisms for Network Resource allocation”, Proceedings of Workshop on Resource Allocation in Wireless Networks (RAWNET),  (in WiOpt 2010), Avignon, France. (invited paper)

[C33] I. Koutsopoulos and M. Halkidi, “Measurement aggregation and routing techniques for Energy-efficient Estimation in Wireless Sensor Networks”, Proceedings of IEEE WiOpt, 2010, Avignon, France.

[C32] L. Gatzikis and I. Koutsopoulos, “Low complexity algorithms for Relay Selection and power control in interference-limited environments”, Proceedings of IEEE WiOpt, 2010, Avignon, France.

[C31] I. Koutsopoulos and M. Halkidi, “Lifetime maximization in wireless sensor networks with an Estimation mission”, Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), 2009, Hawaii, USA.

[C30] K. Pelechrinis, I. Koutsopoulos, I. Broustis, and S. Krishnamurthy, “Lightweight Jammer Localization in wireless networks: System design and implementation”, Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), 2009, Hawaii, USA.

[C29] C. Papathanasiou, I. Koutsopoulos and L. Tassiulas, “Low complexity beam-forming techniques for IEEE 802.11 WLANs”, Proceedings of IEEE Vehicular Technology Conference (VTC) 2009 Fall, Anchorage, Alaska, 2009.

[C28] I. Koutsopoulos, L. Tassiulas and L. Gatzikis, “Client and server games in peer-to-peer networks”, Proceedings of IEEE International Workshop on QoS (IWQoS), 2009, Charleston, SC, USA

[C27] C. Papathanasiou, I. Koutsopoulos and L. Tassiulas, “Interference mitigation in co-existing 802.11n WLANs”, Proceedings of Wireless Telecommunications Symposium (WTS), 2009, Prague, Czech Republic.

[C26] R. Oliveira and I. Koutsopoulos, “Queue and channel state awareness for maximum throughput Access control in CSMA/CA based wireless LANs”, Proceedings of IEEE Wireless Communications and Networking Conference (WCNC), 2009, Budapest, Hungary.  

[C25] I. Koutsopoulos and G. Iosifidis, ''Distributed resource allocation algorithms for peer-to-peer networks'', Proceedings of ACM International Conference on Performance Evaluation and Tools (VALUETOOLS), 2008, Athens, Greece.

[C24] G.Iosifidis and I. Koutsopoulos, ''Reputation-assisted utility maximization algorithms for peer-to-peer networks'', Proceedings of IEEE International Workshop on QoS (IWQoS) 2008, Twente, Netherlands.

[C23] R. Oliveira, L. Bernardo, P. Pinto and I. Koutsopoulos, ''On service time estimation in 802.11 WLANs with heterogeneous sources'', Proceedings of IEEE International Symposium on Wireless Communication Systems (ISWCS) 2008, Reykjavik, Iceland.

[C22] M. Li, I. Koutsopoulos and R. Poovendran, "Optimal jamming attacks and defense strategies in wireless sensor networks", Proceedings of IEEE INFOCOM 2007, Anchorage, Alaska.

[C21] C. Verikoukis, L. Alonso and I. Koutsopoulos, ''Performance evaluation of directional antenna-assisted MAC protocols in the presence of mobility'', Proceedings of IST Mobile Summit 2006, Mykonos, Greece.

[C20] S. Radosavac, J.S. Baras and I. Koutsopoulos, "A framework for MAC layer misbehavior detection in wireless networks", Proceedings of ACM Workshop on Wireless Security (WiSe)  2005, Cologne, Germany.

[C19] I. Koutsopoulos, S. Toumpis and L. Tassiulas, ''On the relation between source and channel coding and sensor network deployment", International Workshop on Wireless Ad-hoc networks (IWWAN) 2005, London UK. 

[C18] A. Penttinen, I. Koutsopoulos and L. Tassiulas, "Low-complexity distributed fair scheduling for wireless multi-hop networks", First Workshop on Resource Allocation in Wireless Networks (RAWNET), WiOpt 2005, Riva del Garda, Italy.

[C17] U. C. Kozat,  I. Koutsopoulos and L. Tassiulas,  ''A framework for cross-layer design of  Energy-Efficient Communication with QoS provisioning in Multi-hop wireless networks'',  Proceedings of IEEE INFOCOM 2004, Hong Kong.

[C16] I. Koutsopoulos and L. Tassiulas, ''Adaptive channel allocation in OFDM/SDMA wireless LANs with limited transceiver resources'', Third IFIP-TC6 Networking Conference 2004, Athens, Greece and Lecture Notes in Computer Science, vol.3042, pp.1384-1389, 2004

[C15] I. Koutsopoulos, T. Ren and L. Tassiulas, ''The impact of Space Division Multiplexing οn resource allocation: Α unified approach'', Proceedings of IEEE INFOCOM 2003, San Francisco.

[C14]  I. Koutsopoulos and L. Tassiulas, ''Adaptive resource allocation in SDMA-based wireless broadband networks with OFDM signaling'', Proceedings of IEEE INFOCOM 2002, vol.3, pp.1376 -1385, New York.

[C13] U.C. Kozat, I. Koutsopoulos and L. Tassiulas, ''Dynamic code assignment and spreading gain adaptation for synchronous CDMA wireless networks'', Proceedings of IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA) 2002, vol.2, pp.593-597, Prague, Czech Republic.

[C12] I. Koutsopoulos, T. Ren and L. Tassiulas, ''Efficient media access protocols for wireless LANs with smart antennas'', Proceedings of IEEE Wireless Communications and Networking Conference 2003, New Orleans.

[C11] T. Ren, I. Koutsopoulos and L. Tassiulas, ''QoS provisioning for real-time traffic in wireless packet networks'', Proceedings of IEEE Global Telecommunications Conference (GLOBECOM) 2002, Taipei, Taiwan.

[C10] I. Koutsopoulos and L. Tassiulas, ''Link adaptation policies for wireless broadband networks'', Proceedings of IEEE Global Telecommunications Conference (GLOBECOM) 2001, vol.1, pp.572-576, San Antonio, Texas.

[C9] I. Koutsopoulos and L. Tassiulas, ''Channel-state adaptive techniques for throughput enhancement in wireless broadband networks'', Proceedings of IEEE INFOCOM 2001, vol.2, pp.757-766, Anchorage, Alaska.

[C8] I. Koutsopoulos and L. Tassiulas, ''Carrier assignment algorithms in wireless broadband networks with channel adaptation'', Proceedings of IEEE International Communications Conference (ICC) 2001, vol.5, pp.1401-1405, Helsinki, Finland.

[C7] I. Koutsopoulos and L. Tassiulas, ''A synchronization-based scheme for simultaneous full- and half-duplex communication in GSM-based MEO mobile satellite networks'', Proceedings of IEEE Global Telecommunications Conference (GLOBECOM) 1999, vol.1A, pp.276-280, Rio de Janeiro, Brazil.

[C6] I. Koutsopoulos and L. Tassiulas, ''Joint base station and channel allocation in mobile cellular networks'', Proceedings of International Communications Conference (ICC) 2000, vol.3, pp.1558-1562, New Orleans.

[C5] I. Koutsopoulos, A. Savvides, D. Connors and S.K. Dao, ''Intra-team multi-hop broadcasting (ITMB): a MAC layer protocol for efficient control signaling in wireless ad-hoc networks'', Proceedings of International Communications Conference (ICC) 2000, vol.3, pp.1723-1727, New Orleans.

[C4] I. Koutsopoulos and L. Tassiulas, ''Reliable handover prediction and resource allocation in MEO mobile satellite networks'', Proceedings of IEEE/IMACS Circuits, Systems and Communications Conference 1999, Athens, Greece.

[C3] I. Koutsopoulos and L. Tassiulas, ''A unified framework for handover prediction and resource allocation in non-geostationary mobile satellite networks'', Proceedings of IEEE Vehicular Technology Conference (VTC) 1999 Fall, vol.4, pp.2106-2110, Amsterdam, Netherlands.

[C2] I. Koutsopoulos and P. Constantinou,  ''Joint channel estimation and satellite antenna power control in mobile satellite networks using ray tracing'', Proceedings of IEEE Vehicular Technology Conference (VTC) 2000 Spring, vol.2, pp.1586-1590, Tokyo, Japan.

[C1]  T. Sofos, I. Koutsopoulos and P. Konstantinou, "A deterministic ray-tracing based model for land mobile satellite channel in urban environment'', Proceedings of IEEE Vehicular Technology Conference (VTC) 1998, vol.1, pp. 658-660, Vancouver, Canada.


Theses

[Th1] I. Koutsopoulos, "Resource allocation issues in wireless broadband networks with OFDM signaling", Ph.D dissertation thesis, University of Maryland, College Park, December 2002.

[Th2] I. Koutsopoulos, "Handover and channel allocation issues in mobile satellite networks", MSc Thesis, University of Maryland, College Park, May 1999. 

[Th3] I. Koutsopoulos, "Study, analysis and implementation of an analytical algorithm, based on ray tracing, for the modeling of a mobile satellite communications channel", Diploma Thesis, National Technical University of Athens, July 1997.


Patents

[P1] D. Connors and I. Koutsopoulos, ''Apparatus and method for intra-team multi-hop broadcasting for efficient control signaling in wireless ad-hoc networks'', Patent No.7542426, (Application No. 11/090,639), United States Patent and Trademark Office, 2009.


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