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61 Publications
2024 | Journal Article | LibreCat-ID: 53531
IPA: Inference Pipeline Adaptation to Achieve High Accuracy and Cost-Efficiency
S. Ghafouri, K. Razavi, M. Salmani, A. Sanaee, T. Lorido Botran, L. Wang, J. Doyle, P. Jamshidi, Journal of Systems Research (JSys) (n.d.).
LibreCat
S. Ghafouri, K. Razavi, M. Salmani, A. Sanaee, T. Lorido Botran, L. Wang, J. Doyle, P. Jamshidi, Journal of Systems Research (JSys) (n.d.).
2022 | Journal Article | LibreCat-ID: 32854
Practical Network Conditions for the Convergence of Distributed Optimization
A. Redder, A. Ramaswamy, H. Karl, IFAC-PapersOnLine 55 (2022) 133–138.
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A. Redder, A. Ramaswamy, H. Karl, IFAC-PapersOnLine 55 (2022) 133–138.
2021 | Journal Article | LibreCat-ID: 21808 | 
Self-Learning Multi-Objective Service Coordination Using Deep Reinforcement Learning
S.B. Schneider, R. Khalili, A. Manzoor, H. Qarawlus, R. Schellenberg, H. Karl, A. Hecker, Transactions on Network and Service Management (2021).
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| Files available
| DOI
S.B. Schneider, R. Khalili, A. Manzoor, H. Qarawlus, R. Schellenberg, H. Karl, A. Hecker, Transactions on Network and Service Management (2021).
2020 | Journal Article | LibreCat-ID: 16278
A UAV-based moving 5G RAN for massive connectivity of mobile users and IoT devices
N. Nomikos, E.T. Michailidis, P. Trakadas, D. Vouyioukas, H. Karl, J. Martrat, T. Zahariadis, K. Papadopoulos, S. Voliotis, Vehicular Communications (2020).
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| DOI
N. Nomikos, E.T. Michailidis, P. Trakadas, D. Vouyioukas, H. Karl, J. Martrat, T. Zahariadis, K. Papadopoulos, S. Voliotis, Vehicular Communications (2020).
2020 | Journal Article | LibreCat-ID: 16280
Multi-Armed-Bandit-Based Spectrum Scheduling Algorithms in Wireless Networks: A Survey
F. Li, D. Yu, H. Yang, J. Yu, H. Karl, X. Cheng, IEEE Wireless Communications (2020) 24–30.
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| DOI
F. Li, D. Yu, H. Yang, J. Yu, H. Karl, X. Cheng, IEEE Wireless Communications (2020) 24–30.
2020 | Journal Article | LibreCat-ID: 13770
A Case for a New IT Ecosystem: On-The-Fly Computing
H. Karl, D. Kundisch, F. Meyer auf der Heide, H. Wehrheim, Business & Information Systems Engineering 62 (2020) 467–481.
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| DOI
H. Karl, D. Kundisch, F. Meyer auf der Heide, H. Wehrheim, Business & Information Systems Engineering 62 (2020) 467–481.
2019 | Journal Article | LibreCat-ID: 8113 |
Joint testing and profiling of microservice-based network services using TTCN-3
M. Peuster, C. Dröge, C. Boos, H. Karl, ICT Express (2019).
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M. Peuster, C. Dröge, C. Boos, H. Karl, ICT Express (2019).
2019 | Journal Article | LibreCat-ID: 8795 |
A flow handover protocol to support state migration in softwarized networks
M. Peuster, H. Küttner, H. Karl, International Journal of Network Management (2019).
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M. Peuster, H. Küttner, H. Karl, International Journal of Network Management (2019).
2019 | Journal Article | LibreCat-ID: 9823
Empowering Network Service Developers: Enhanced NFV DevOps and Programmable MANO
T. Soenen, W. Tavernier, M. Peuster, F. Vicens, G. Xilouris, S. Kolometsos, M.-A. Kourtis, D. Colle, IEEE Communications Magazine (2019) 89–95.
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T. Soenen, W. Tavernier, M. Peuster, F. Vicens, G. Xilouris, S. Kolometsos, M.-A. Kourtis, D. Colle, IEEE Communications Magazine (2019) 89–95.
2019 | Journal Article | LibreCat-ID: 9824 |
Introducing Automated Verification and Validation for Virtualized Network Functions and Services
M. Peuster, S.B. Schneider, M. Zhao, G. Xilouris, P. Trakadas, F. Vicens, W. Tavernier, T. Soenen, R. Vilalta, G. Andreou, D. Kyriazis, H. Karl, IEEE Communications Magazine (2019) 96–102.
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M. Peuster, S.B. Schneider, M. Zhao, G. Xilouris, P. Trakadas, F. Vicens, W. Tavernier, T. Soenen, R. Vilalta, G. Andreou, D. Kyriazis, H. Karl, IEEE Communications Magazine (2019) 96–102.
2019 | Journal Article | LibreCat-ID: 15741
Deep reinforcement learning for wireless sensor scheduling in cyber–physical systems
A.S. Leong, A. Ramaswamy, D.E. Quevedo, H. Karl, L. Shi, Automatica (2019).
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| DOI
A.S. Leong, A. Ramaswamy, D.E. Quevedo, H. Karl, L. Shi, Automatica (2019).
2019 | Journal Article | LibreCat-ID: 10325 |
Automated testing of NFV orchestrators against carrier-grade multi-PoP scenarios using emulation-based smoke testing
M. Peuster, M. Marchetti, G. García de Blas, H. Karl, EURASIP Journal on Wireless Communications and Networking (2019).
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M. Peuster, M. Marchetti, G. García de Blas, H. Karl, EURASIP Journal on Wireless Communications and Networking (2019).
2018 | Journal Article | LibreCat-ID: 3152 |
JASPER: Joint Optimization of Scaling, Placement, and Routing of Virtual Network Services
S. Dräxler, H. Karl, Z.A. Mann, IEEE Transactions on Network and Service Management (2018).
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S. Dräxler, H. Karl, Z.A. Mann, IEEE Transactions on Network and Service Management (2018).
2017 | Journal Article | LibreCat-ID: 58 |
Specification, Composition, and Placement of Network Services with Flexible Structures
S. Dräxler, H. Karl, International Journal of Network Management (2017) 1--16.
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| Files available
| DOI
S. Dräxler, H. Karl, International Journal of Network Management (2017) 1--16.
2017 | Journal Article | LibreCat-ID: 64
Response-Time-Optimised Service Deployment: MILP Formulations of Piece-wise Linear Functions Approximating Non-linear Bivariate Mixed-integer Functions
M. Keller, H. Karl, IEEE Transactions on Network and Service Management (2017) 121--135.
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| DOI
M. Keller, H. Karl, IEEE Transactions on Network and Service Management (2017) 121--135.
2016 | Journal Article | LibreCat-ID: 714 |
DevOps for network function virtualisation: an architectural approach
H. Karl, S. Dräxler, M. Peuster, A. Galis, M. Bredel, A. Ramos, J. Martrat, M.S. Siddiqui, S. van Rossem, W. Tavernier, G. Xilouris, Transactions on Emerging Telecommunications Technologies 27 (2016) 1206–1215.
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H. Karl, S. Dräxler, M. Peuster, A. Galis, M. Bredel, A. Ramos, J. Martrat, M.S. Siddiqui, S. van Rossem, W. Tavernier, G. Xilouris, Transactions on Emerging Telecommunications Technologies 27 (2016) 1206–1215.
2016 | Journal Article | LibreCat-ID: 726
DCT²Gen: A traffic generator for data centers
P. Wette, H. Karl, Computer Communications (2016) 45--58.
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P. Wette, H. Karl, Computer Communications (2016) 45--58.
2016 | Journal Article | LibreCat-ID: 1373
Delayed (de-)activation in servers with a sleep mode
M. Herlich, N. Bredenbals, H. Karl, Sustainable Computing: Informatics and Systems 10 (2016) 48–55.
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| DOI
M. Herlich, N. Bredenbals, H. Karl, Sustainable Computing: Informatics and Systems 10 (2016) 48–55.
2014 | Journal Article | LibreCat-ID: 467
A Game-Theoretic Approach to the Financial Benefits of Infrastructure-as-a-Service
J. Künsemöller, H. Karl, Future Generation Computer Systems (2014) 44--52.
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| DOI
J. Künsemöller, H. Karl, Future Generation Computer Systems (2014) 44--52.
2014 | Journal Article | LibreCat-ID: 753
Power model design for ICT systems -- A generic approach
F. Beister, M. Dräxler, J. Aelken, H. Karl, Computer Communications (2014) 77--85.
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| DOI
F. Beister, M. Dräxler, J. Aelken, H. Karl, Computer Communications (2014) 77--85.
2014 | Journal Article | LibreCat-ID: 754
MAC Protocols for Cooperative Diversity in Wireless LANs and Wireless Sensor Networks
R. Azeem M. Khan, H. Karl, IEEE Communications Surveys and Tutorials (2014) 46--63.
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| DOI
R. Azeem M. Khan, H. Karl, IEEE Communications Surveys and Tutorials (2014) 46--63.
2014 | Journal Article | LibreCat-ID: 1375
Power model design for ICT systems – A generic approach
F. Beister, M. Dräxler, J. Aelken, H. Karl, Computer Communications 50 (2014) 77–85.
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F. Beister, M. Dräxler, J. Aelken, H. Karl, Computer Communications 50 (2014) 77–85.
2013 | Journal Article | LibreCat-ID: 770
Network of Information (NetInf) - An information-centric networking architecture
C. Dannewitz, D. Kutscher, B. Ohlman, S. Farrell, B. Ahlgren, H. Karl, Computer Communications (2013) 721--735.
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| DOI
C. Dannewitz, D. Kutscher, B. Ohlman, S. Farrell, B. Ahlgren, H. Karl, Computer Communications (2013) 721--735.
2013 | Journal Article | LibreCat-ID: 771
Improving Cooperative Transmission Feasibility by Network Reconfiguration in Limited Backhaul Networks
M. Dräxler, T. Biermann, H. Karl, International Journal of Wireless Information Networks (2013) 183--194.
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M. Dräxler, T. Biermann, H. Karl, International Journal of Wireless Information Networks (2013) 183--194.
2013 | Journal Article | LibreCat-ID: 769
How backhaul networks influence the feasibility of coordinated multipoint in cellular networks
T. Biermann, L. Scalia, C. Choi, W. Kellerer, H. Karl, {IEEE} Communications Magazine (2013).
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T. Biermann, L. Scalia, C. Choi, W. Kellerer, H. Karl, {IEEE} Communications Magazine (2013).
2012 | Journal Article | LibreCat-ID: 782
CoMP clustering and backhaul limitations in cooperative cellular mobile access networks
T. Biermann, L. Scalia, C. Choi, H. Karl, W. Kellerer, Pervasive and Mobile Computing (2012) 662--681.
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T. Biermann, L. Scalia, C. Choi, H. Karl, W. Kellerer, Pervasive and Mobile Computing (2012) 662--681.
2012 | Journal Article | LibreCat-ID: 783
Segment-based packet combining: how to schedule a dense relayer cluster?
A. Willig, H. Karl, D. Kipnis, Wireless Networks (2012) 199--213.
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A. Willig, H. Karl, D. Kipnis, Wireless Networks (2012) 199--213.
2011 | Journal Article | LibreCat-ID: 793
Content, connectivity, and cloud: ingredients for the network of the future
B. Ahlgren, P. A. Aranda-Gutierrez, P. Chemouil, S. Oueslati, L. M. Correia, H. Karl, M. Söllner, A. Welin, IEEE Communications Magazine (2011) 62--70.
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| DOI
B. Ahlgren, P. A. Aranda-Gutierrez, P. Chemouil, S. Oueslati, L. M. Correia, H. Karl, M. Söllner, A. Welin, IEEE Communications Magazine (2011) 62--70.
2011 | Journal Article | LibreCat-ID: 794
Research challenges towards the Future Internet
M. Conti, S. Chong, S. Fdida, W. Jia, H. Karl, Y.-}Dar Lin, P. M{\, M. Maier, R. Molva, S. Uhlig, M. Zukerman, Computer Communications (2011) 2115--2134.
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| DOI
M. Conti, S. Chong, S. Fdida, W. Jia, H. Karl, Y.-}Dar Lin, P. M{\, M. Maier, R. Molva, S. Uhlig, M. Zukerman, Computer Communications (2011) 2115--2134.
2011 | Journal Article | LibreCat-ID: 1615
Load Balancing in P2P Networks: Using Statistics to Fight Data and Execution Skew
D. Warneke, C. Dannewitz, Journal of Advances in Information Technology 2 (2011).
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D. Warneke, C. Dannewitz, Journal of Advances in Information Technology 2 (2011).
2011 | Journal Article | LibreCat-ID: 1376
Complex Queries in P2P Networks with Resource-Constrained Devices
C. Dannewitz, T. Biermann, M. Dräxler, H. Karl, Journal of Advances in Information Technology 2 (2011).
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C. Dannewitz, T. Biermann, M. Dräxler, H. Karl, Journal of Advances in Information Technology 2 (2011).
2010 | Journal Article | LibreCat-ID: 1831
Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study
S. Valentin, H. Karl, European Transactions on Telecommunications 21 (2010) 714–724.
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| DOI
S. Valentin, H. Karl, European Transactions on Telecommunications 21 (2010) 714–724.
2010 | Journal Article | LibreCat-ID: 805
Cooperative feedback to improve capacity and error rate in multiuser diversity systems - an OFDM case study
S. Valentin, H. Karl, European Transactions on Telecommunications (2010) 714--724.
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| DOI
S. Valentin, H. Karl, European Transactions on Telecommunications (2010) 714--724.
2010 | Journal Article | LibreCat-ID: 806
Expected interference in wireless networks with geometric path loss: a closed-form approximation
H. S. Lichte, S. Valentin, H. Karl, IEEE Communications Letters (2010) 130--132.
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H. S. Lichte, S. Valentin, H. Karl, IEEE Communications Letters (2010) 130--132.
2010 | Journal Article | LibreCat-ID: 807
Automated Development of Cooperative MAC Protocols - A Compiler-Assisted Approach
H. Simon Lichte, S. Valentin, H. Karl, Mobile Networks and Applications (2010) 769--785.
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H. Simon Lichte, S. Valentin, H. Karl, Mobile Networks and Applications (2010) 769--785.
2009 | Journal Article | LibreCat-ID: 814
Flow Synchronization for Network Coding
T. Biermann, M. Dräxler, H. Karl, Journal of Communications (2009) 873--884.
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| DOI
T. Biermann, M. Dräxler, H. Karl, Journal of Communications (2009) 873--884.
2009 | Journal Article | LibreCat-ID: 815
Cooperative Wireless Networking Beyond Store-and-Forward
S. Valentin, H. S. Lichte, H. Karl, G. Vivier, S. Simoens, J. Vidal, A. Agustin, Wireless Personal Communications (2009) 49--68.
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S. Valentin, H. S. Lichte, H. Karl, G. Vivier, S. Simoens, J. Vidal, A. Agustin, Wireless Personal Communications (2009) 49--68.
2007 | Journal Article | LibreCat-ID: 830
Investigation of multicast-based mobility support in all-IP cellular networks
A. Festag, H. Karl, A. Wolisz, Wireless Communications and Mobile Computing (2007) 319--339.
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A. Festag, H. Karl, A. Wolisz, Wireless Communications and Mobile Computing (2007) 319--339.
2007 | Journal Article | LibreCat-ID: 1018
Implementing cooperative wireless networks
S. Valentin, H.S. Lichte, H. Karl, S. Simoens, G. Vivier, J. Vidal, A. Agustin, Cognitive Wireless Networks (2007) 155--178.
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S. Valentin, H.S. Lichte, H. Karl, S. Simoens, G. Vivier, J. Vidal, A. Agustin, Cognitive Wireless Networks (2007) 155--178.
2006 | Journal Article | LibreCat-ID: 837
A perceptual quality model intended for adaptive VoIP applications
C. Hoene, H. Karl, A. Wolisz, Int. J. Communication Systems (2006) 299--316.
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C. Hoene, H. Karl, A. Wolisz, Int. J. Communication Systems (2006) 299--316.
2006 | Journal Article | LibreCat-ID: 838
Performance analysis of dynamic OFDMA systems with inband signaling
J. Gross, H.-}Florian Geerdes, H. Karl, A. Wolisz, IEEE Journal on Selected Areas in Communications (2006) 427--436.
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J. Gross, H.-}Florian Geerdes, H. Karl, A. Wolisz, IEEE Journal on Selected Areas in Communications (2006) 427--436.
2006 | Journal Article | LibreCat-ID: 839
A Distributed End-to-End Reservation Protocol for IEEE 802.11-Based Wireless Mesh Networks
E. Carlson, C. Prehofer, C. Bettstetter, H. Karl, A. Wolisz, IEEE Journal on Selected Areas in Communications (2006) 2018--2027.
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E. Carlson, C. Prehofer, C. Bettstetter, H. Karl, A. Wolisz, IEEE Journal on Selected Areas in Communications (2006) 2018--2027.
2005 | Journal Article | LibreCat-ID: 842
Does Multi-Hop Communication Reduce Electromagnetic Exposure?
J.-P. Ebert, D. Hollos, H. Karl, M. Löbbers, Comput. J. (2005) 72--83.
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| DOI
J.-P. Ebert, D. Hollos, H. Karl, M. Löbbers, Comput. J. (2005) 72--83.
2005 | Journal Article | LibreCat-ID: 843
Analysis and performance evaluation of the EFCM common congestion controller for TCP connections
M. Savoric, H. Karl, M. Schläger, T. Poschwatta, A. Wolisz, Computer Networks (2005) 269--294.
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| DOI
M. Savoric, H. Karl, M. Schläger, T. Poschwatta, A. Wolisz, Computer Networks (2005) 269--294.
2005 | Journal Article | LibreCat-ID: 844
A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system
J. Gross, S. Valentin, H. Karl, A. Wolisz, European Transactions on Telecommunications (2005) 37--49.
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| DOI
J. Gross, S. Valentin, H. Karl, A. Wolisz, European Transactions on Telecommunications (2005) 37--49.
2005 | Journal Article | LibreCat-ID: 845
Drahtlose Sensornetze
H. Karl, T. Lentsch, H. Ritter, Praxis Der Informationsverarbeitung Und Kommunikation (2005) 66--67.
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| DOI
H. Karl, T. Lentsch, H. Ritter, Praxis Der Informationsverarbeitung Und Kommunikation (2005) 66--67.
2005 | Journal Article | LibreCat-ID: 846
Data Transport Reliability in Wireless Sensor Networks. A Survey of Issues and Solutions
A. Willig, H. Karl, Praxis Der Informationsverarbeitung Und Kommunikation (2005) 86--92.
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| DOI
A. Willig, H. Karl, Praxis Der Informationsverarbeitung Und Kommunikation (2005) 86--92.
2005 | Journal Article | LibreCat-ID: 1378
A study of impact of inband signalling and realistic channel knowledge for an example dynamic OFDM-FDMA system
J. Gross, S. Valentin, H. Karl, A. Wolisz, European Transactions on Telecommunications 16 (2005) 37–49.
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| DOI
J. Gross, S. Valentin, H. Karl, A. Wolisz, European Transactions on Telecommunications 16 (2005) 37–49.
2004 | Journal Article | LibreCat-ID: 850
Cross-layer optimization of OFDM transmission systems for MPEG-4 video streaming
J. Gross, J. Klaue, H. Karl, A. Wolisz, Computer Communications (2004) 1044--1055.
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| DOI
J. Gross, J. Klaue, H. Karl, A. Wolisz, Computer Communications (2004) 1044--1055.
2004 | Journal Article | LibreCat-ID: 851
Ambient networks: An architecture for communication networks beyond 3G
N. Niebert, A. Schieder, H. Abramowicz, G. Malmgren, J. Sachs, U. Horn, C. Prehofer, H. Karl, IEEE Wireless Communications (2004) 14--22.
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| DOI
N. Niebert, A. Schieder, H. Abramowicz, G. Malmgren, J. Sachs, U. Horn, C. Prehofer, H. Karl, IEEE Wireless Communications (2004) 14--22.