Dublin, Ireland & Murray Hill, NJ, USA

Holger Claussen

Department Head - Wireless Communications Research
_imported_https://media-bell-labs-com.s3.amazonaws.com/bell_labs/users/2014/12/06/Holger_Claussen_500x500.jpg

Biography

Dr. Holger Claussen lead the Wireless Communications Research Department of Nokia Bell Labs located in Ireland and the US until 2020. In this role, he and his team innovated in all areas related to future evolution, deployment, and operation of wireless networks to enable exponential growth in mobile data traffic and reliable low latency communications. His research in this domain has been commercialised in Nokia's (formerly Alcatel-Lucent's) Small Cell product portfolio and continues to have significant impact. He received the 2014 World Technology Award in the individual category Communications Technologies for innovative work of “the greatest likely long-term significance”. Prior to this, Holger directed research in the areas of self-managing networks to enable the first large scale femtocell deployments from 2009 onward. Holger joined Bell Labs in 2004, where he began his research in the areas of network optimisation, cellular architectures, and improving energy efficiency of networks. Holger received his Ph.D. degree in signal processing for digital communications from the University of Edinburgh, United Kingdom in 2004. He is author of the book "Small Cell Networks: Deployment, Management, and Optimization", more than 130 publications, 78 granted patent families, and 46 filed patent applications pending. He is Fellow of the World Technology Network, senior member of the IEEE, and member of the IET.

 

Education

Ph.D. degree, February 2001 - February 2004
The University of Edinburgh, UK, in collaboration with Bell Labs.
Thesis title: "Low Complexity Receiver Architectures for High-Speed Wire-
less Multiple Input Multiple-Output (MIMO) Systems".

Dipl.Ing.(FH) and M.Eng. degree, October 1995 - July 2000
The University of Applied Sciences Kempten, Germany, and The University
of Ulster, United Kingdom.
 

Selected articles and publications

  1.  K. Doppler, D. López-Pérez, S. Muniraju, T. Abrudan, S. Kucera, H. Claussen, H. Huang, H. Gacanin,    V.-M. Kolmonen, and E. Rantala, “Future indoor networks with a sixth sense: Requirements, challenges and  enabling technologies,” BLTJ, 2020, (under review).    
  2. P. Basaras, S. Kucera, H. Claussen, and G. Iosifidis, “Multi-RAT multicast 360° video delivery,” in Proc. IEEE Vehicular Technology Conference (VTC-Spring), (under review), Globecom, Taipei, Dec. 2020.   
  3. T. Abrudan, D. Fang, S. Kucera, and H. Claussen, “Unitary checkerboard precoded OFDM for low-PAPR visible light communication,” 2020, (under review).   
  4. K. Fahmi, D. J. Leith, S. Kucera, and H. Claussen, “Low delay scheduling of objects over multiple wireless paths,”IEEE Transaction on Mobile Computing, 2020, (under review).   
  5. R. O’Driscoll, M. Dashti, and H. Claussen, “An autonomous RF site surveying robot: Design and implementation,” Elsevier journal of robotics and autonomous systems, 2020, (under review).   
  6. P. Basaras, G. Iosifidis, S. Kucera, and H. Claussen, “Multicast optimization for video delivery in multi-RAT networks,” in IEEE Transactions on Communications, (accepted for publication), 2020.   
  7. J. Kibiłda, A. B. MacKenzie, M. J. Abdel-Rahman, S. K. Yoo, L. G. Giordano, S. L. Cotton, N. Marchetti, W. Saad, W. G. Scanlon, A. Garcia-Rodriguez, D. López-Pérez, H. Claussen, and L. A. DaSilva, “Indoor millimeter-wave systems: Design and performance evaluation,” Proceedings of the IEEE, vol. 108, no. 6, pp. 923–944, 2020.  
  8. D. Fang, Y. Huang, G. Geraci, Z. Ding, and H. Claussen, “Enhanced multiuser superposition transmission through structured modulation,” IEEE Transactions on Wireless Communications,vol. 18, no. 5, pp. 2765–2776, 2019.   
  9. A. Zakrzewska, D. López-Pérez, L. Ho, H. Claussen, and H. Gacanin, “Cell ID management in multi-vendor and multi-rat heterogeneous networks,” IEEE Transactions on Network and Service Management,vol. 16, no. 2, pp. 417–429, 2019.  
  10. T. Saber, D. Fagan, D. Lynch, S. Kucera, H. Claussen, and M. O’Neill, “A multi-level grammar approach to grammar-guided genetic programming: The case of scheduling in heterogeneous networks,” Genetic Programming and Evolvable Machines,vol. 20, pp. 245–283, 2019. 
  11. D. Lynch, M. Fenton, D. Fagan, S. Kucera, H. Claussen, and M. O’Neill, “Automated self-optimization in 5G heterogeneous wireless communications networks,” IEEE/ACM Transactions on Networking, vol. 27, no. 1, pp. 419–432, 2019.   
  12. F. Chiariotti, S. Kucera, A. Zanella, and H. Claussen, “Analysis and design of a latency control protocol for multi-path data delivery with pre-defined qos guarantees,” IEEE Transaction on Mobile Computing, vol. 27, no. 3, pp. 1165–1178, 2019.   
  13. R. Zhang, Y. Cui, H. Claussen, H. Haas, and L. Hanzo, “Anticipatory association for indoor visible light communications: Light, follow me!” IEEE Transactions on Wireless Communications,vol. 17, no. 4, pp. 2499–2510, Apr. 2018.   
  14. S. Ferlin, S. Kucera, H. Claussen, and Ö. Alay, “MPTCP meets FEC: Supporting latency-sensitive applications over heterogeneous networks,” IEEE/ACM Transactions on Networking, vol. 26, no. 5, pp. 2005–2018, Oct. 2018.   
  15. D. Lynch, M. Fenton, D. Fagan, S. Kucera, H. Claussen, and M. O’Neill, “Managing quality of service through intelligent scheduling in heterogeneous wireless communications networks,” in Proc. 2018 IEEE Congress on Evolutionary Computation (CEC), Rio de Janeiro, Brazil, Jul. 2018, pp. 8–13.   
  16. T. M. Pham, R. Farrell, H. Claussen, M. Flanagan, and L.-N. Tran, “On the MIMO capacity with multiple linear transmit covariance constraints,” in IEEE VTC, Porto, Portugal, Jun. 2018.    
  17. T. M. Pham, R. Farrell, H. Claussen, M. Flanagan, and L.-N. Tran, “Weighted sum rate maximization for zero-forcing methods with general linear covariance constraints,” in Proc. IEEE Int. Conf. Commun. (ICC), Kansas City, USA, May 2018.
  18. G. Geraci, A. G. Rodriguez, D. López-Pérez, L. G. Giordano, P. Baracca, and H. Claussen, “Indoor massive MIMO deployments for uniformly high wireless capacity,” in Proc. IEEE Wireless Commun. and Network. Conf. (WCNC), Barcelona, Spain, Apr. 2018.
  19. F. Chiariotti, S. Kucera, A. Zanella, and H. Claussen, “LEAP: A latency control protocol for multi-path data delivery with pre-defined QoS guarantees,” in Proc. IEEE Infocom,Honolulu, HI, USA, Apr. 2018, pp. 166–171.   
  20. M. Fenton, D. Lynch, D. Fagan, S. Kucera, H. Claussen, and M. O’Neill, “Towards automation & augmentation of the design of schedulers for cellular communications networks,” Evolutionary Computation (MIT Press), pp. 1–31, Mar. 2018.
  21. S. Takfarinas, D. Fagan, D. Lynch, S. Kucera, H. Claussen, and M. O’Neill, “Multi-level grammar genetic programming for scheduling in heterogeneous networks,” in Genetic Programming, ser. Lecture Notes in Computer Science,M. Castelli, L. Sekanina, S. C. M. Zhang, and P. García-Sánchez, Eds., vol. 10781, Springer, Cham, Mar. 2018, pp. 118–134.  
  22. A. Zakrzewska, L. Ho, H. Gacanin, and H. Claussen, “Coordination of SON functions in multi-vendor femtocell networks,” IEEE Communications Magazine, vol. 55, no. 7, pp. 165–171, 2017.   
  23. G. Geraci, A. G. Rodriguez, D. López-Pérez, A. Bonfante, L. G. Giordano, and H. Claussen, “Operating massive MIMO in unlicensed bands for enhanced coexistence and spatial reuse,”IEEE Journal on Selected Areas in Communications, vol. 35, no. 6, pp. 1282–1293, 2017.  
  24. A. G. Rodriguez, G. Geraci, D. López-Pérez, L. G. Giordano, M. Ding, and H. Claussen, “Massive MIMO unlicensed for high-performance indoor networks,” in Proc. IEEE Vehicular Technology Conference (VTC-Spring), Globecom, Singapore, Dec. 2017.
  25. D. Lynch, M. Fenton, S. Kucera, H. Claussen, and M. O’Neill, “Ensemble techniques for scheduling in heterogeneous wireless communications networks,” in Operations Research Proceedings 2016, ser. Operations Research Proceedings (GOR (Gesellschaft für Operations Research e.V.)) M. G. A. Fink A. Fügenschuh, Ed., Springer, Cham, Jul. 2017, pp. 399–404.
  26. G. Geraci, D. Fang, and H. Claussen, “A new method of MIMO-based non-orthogonal multiuser downlink transmission,” in Proc. IEEE Vehicular Technology Conference (VTC-Spring), Sydney, Australia, Jun. 2017.
  27. G. Geraci, A. G. Rodriguez, D. López-Pérez, A. Bonfante, L. G. Giordano, and H. Claussen, “Enhancing coexistence in the unlicensed band with massive MIMO,” in Proc. IEEE Int. Conf. Commun. (ICC), Paris, France, May 2017. 
  28. D. Fagan, M. Fenton, D. Lynch, S. Kucera, H. Claussen, and M. O’Neill, “Deep learning through evolution: A hybrid approach to scheduling in a dynamic environment,” in Proc. International Joint Conference on Neural Networks (IJCNN),Anchorage, Alaska, USA, May 2017, pp. 775–782.  
  29. D. Lynch, M. Fenton, S. Kucera, H. Claussen, and M. O’Neill, “Configuring dynamic heterogeneous wireless communications networks using a customised genetic algorithm,” in Applications of Evolutionary Computation (EvoApplications 2017), ser. Lecture Notes in Computer Science (LNCS), G. Squillero and K. Sim, Eds., vol. 10199, Springer, Apr. 2017, pp. 205–220.
  30. M. Fenton, D. Lynch, S. Kucera, H. Claussen, and M. O’Neill, “Multilayer optimization of heterogeneous networks using grammatical genetic programming,” IEEE Transactions on Cybernetics, vol. 47, no. 9, pp. 2938–2950, 2017.
  31. S. Yiu, M. Dashti, F. Perez-Cruz, and H. Claussen, “Wireless RSSI fingerprinting localization,” Elsevier Signal
    Processing Journal,
    vol. 131, pp. 235–244, 2017.
  32. C. Cano, D. López-Pérez, H. Claussen, and D. J. Leith, “Using LTE in unlicensed bands: Potential benefits and coexistence issues,” IEEE Communications Magazine,vol. 54, no. 12, pp. 116–123, Dec. 2016.
  33. J. He, W. Chen, Z. Tang, D. López-Pérez, and H. Claussen, “Analytical evaluation of higher order sectorization, frequency reuse and user classification methods in OFDMA networks,” IEEE Transaction on Wireless Communications, vol. 15, no. 12, pp. 8209–8222, Dec. 2016.
  34. M. Dashti and H. Claussen, “Extracting location information from RF fingerprints,” in Proc. IEEE Global Communications Conference (Globecom), Washington, USA, Dec. 2016.
  35. D. Fang, Y.-C. Huang, Z. Ding, G. Geraci, S.-L. Shieh, and H. Claussen, “Lattice partition multiple access: A new method of downlink non-orthogonal multiuser transmissions,” in Proc. IEEE Global Communications Conference (Globecom), Washington, USA, Dec. 2016.
  36. M. Dashti and H. Claussen, “A metric to describe access point significance in location estimation,” inProc. IEEE 14th Workshop on Positioning,Navigation and Communications (WPNC), Bremen, Germany, Oct. 2016.
  37. L. Ho, H. Claussen, and H. Gacanin, “Self-optimization of coverage and sleep modes of multi-vendor enterprise femtocells,” in Proc. IEEE Int. Symp. Personal, Indoor and Mobile Radio Commun. (PIMRC), Valencia, Spain, Sep. 2016.
  38. J. Fakidis, S. Videv, S. Kucera, H. Claussen, and H. Haas, “Indoor optical wireless power transfer to small cells at nighttime,” IEEE Journal of Lightwave Technology, vol. 34, no. 13, pp. 3236–3258, Jul. 2016.
  39. D. Lynch, M. Fenton, S. Kucera, H. Claussen, and M. O’Neill, “Evolutionary learning of scheduling heuristics for heterogeneous wireless communications networks,” in Proc. ACM Genetic and Evolutionary ComputationConference (GECCO),New York, USA, Jul. 2016, pp. 949–956.
  40. D. Lynch, M. Fenton, S. Kucera, H. Claussen, and M. O’Neill, “Scheduling in heterogeneous networks using grammar-based genetic programming,” in Genetic Programming, ser. Lecture Notes in Computer Science (LNCS), M. H. M, J. McDermott, M. Castelli, E. Costa, and K. Sim, Eds., vol. 9594, Springer, Feb. 2016, pp. 83–98.
  41. A. Wielgoszewska, D. López-Pérez, H. Claussen, and H. Gacanin, “A centralized method for PCI assignment with common reference signal frequency shift control,” in Proc. IEEE Int. Conf. Commun. (ICC), Kuala Lumpur, Malaysia, May 2016.
  42. S. Yiu, M. Dashti, F. Perez-Cruz, and H. Claussen, “Locating user equipments and access points using RSSI fingerprints: A gaussian process approach,” in Proc. IEEE Int. Conf. Commun. (ICC), Kuala Lumpur, Malaysia, May 2016.
  43. L. Ho, D. López-Pérez, and H. Claussen, “Downward facing directional antennas for ultra high density indoor small cells,” Journal of Signal Processing Systems, Springer, vol. 83, no. 2, pp. 255–263, May 2016.
  44. R. Zhang, H. Claussen, H. Haas, and L. Hanzo, “Energy efficient visible light communications relying on amorphous cells,” IEEE Journal on Selected Areas in Communications,vol. 34, no. 4, pp. 894–906, Apr. 2016.
  45. A. Wielgoszewska, D. López-Pérez, L. Ho, H. Claussen, D. Lugones, and H.-P. Mayer, “Towards converged 5G mobile networks; challenges and current trends,” Alcatel-Lucent White Paper,vol. 2015.
  46. D. López-Pérez, H. Claussen, and L. Ho, “The sector offset concept and its applicability to heterogeneous cellular networks,” IEEE Communication Magazine, vol. 53, no. 3, pp. 190–198, 2015.
  47. D. López-Pérez, M. Ding, H. Claussen, and A. Jafari, “Towards 1Gbps/UE in cellular systems: Understanding ultra-dense small cell deployments,” IEEE Communications Surveys and Tutorials,vol. 18, no. 6, pp. 983–986, 2015.
  48. R. Razavi, L. Ho, H. Claussen, and D. López-Pérez, “Improving small cell performance through switched multi-element antenna systems in heterogeneous networks,” IEEE Transaction on Vehicular Technology,vol. 64, no. 7, pp. 3140–3151, 2015.
  49. A. H. Jafari, D. López-Pérez, H. Song, H. Claussen, L. Ho, and J. Zhang, “Small cell backhaul: Challenges and prospective solutions,” EURASIP Journal on Wireless Communications and Networking,2015.
  50. S. Kucera and H. Claussen, “Uplink-oriented deployment guidelines and auto-configuration for co-channel W-CDMA heterogeneous networks,” IEEE Transactions on Wireless Communications, vol. 14, no. 7, pp. 3752–3763, Jul. 2015.
  51. M. Dashti, S. Yiu, S. Yousefi, F. Perez-Cruz, and H. Claussen, “RSSI localization with gaussian processes and tracking,” in Proc. IEEE Global Communications Conference (Globecom), San Diego, USA, Dec. 2015.
  52. D. Finn, H. Ahmadi, R. Razavi, H. Claussen, and L. DaSilva, “Energy and spectral efficiency gains from multi-user
    MIMO-based small cell reassignments,” in Proc. IEEE Global Communications Conference (Globecom), San Diego,
    USA, Dec. 2015.
  53. H. Ahmadi, D. Finn, R. Razavi, H. Claussen, and L. DaSilva, “Optimization of demand hotspot capacities using switched multi-element antenna equipped small cells,” in Proc. IEEE Vehicular Technology Conference (VTC) fall, Boston, USA, Sep. 2015. 
  54. M. Dashti, M. A. A. Rahman, H. Mahmoudi, and H. Claussen, “Detecting co-located mobile users,” in Proc. IEEE Int.
    Conf. Commun. (ICC), London, UK, Jun. 2015.
  55. M. Ding, M. Zhang, D. López-Pérez, and H. Claussen, “Correlated shadow fading for cellular network system-level simulations with wrap-around,” in Proc. IEEE Int. Conf. Commun. (ICC), London, UK, Jun. 2015.
  56. B. Partov, D. Leith, R. Razavi, and H. Claussen, “Dynamic idle mode control in small cell networks,” in Proc. IEEE Int. Conf. Commun. (ICC), London, UK, Jun. 2015.
  57. J. Fakidis, S. Kucera, H. Claussen, and H. Haas, “On the design of a free space optical link for small cell backhaul
    communication and power supply,” in Proc. IEEE Int. Conf. Commun. (ICC),London, UK, Jun. 2015.
  58. M. Fenton, D. Lynch, S. Kucera, H. Claussen, and M. O’Neill, “Load balancing in heterogeneous networks using grammatical evolution,” in Proc. IEEE Congress on Evolutionary Computation (CEC),Sendai, Japan, May 2015.
  59. Y. Liu, M. Dashti, J. Zhang, and H. Claussen, “Semi-automatic site-survey for indoor localization,” in Proc. 12th IEEE Workshop on Positioning, Navigation and Communication (WPNC),Dresden, Germany, Mar. 2015.
  60. X. Wu, H. Claussen, M. D. Renzo, and H. Haas, “Channel estimation for spatial modulation,”IEEE Transactions on Communications, vol. 62, no. 12, pp. 4362–4372, Dec. 2014.
  61. T. Mastelic, A. Oleksiak, H. Claussen, I. Brandic, J.-m. Pierson, and A. V. Vasilakos, “Cloud computing: Survey on energy efficiency,” ACM Computing Surveys, vol. 47, no. 2, Dec. 2014.
  62. J. Fakidis, M. Ijaz, S. Kucera, H. Claussen, and H. Haas, “On the design of an optical wireless link for small cell backhaul communication and energy,” in Proc. IEEE Int. Symp. Personal, Indoor and Mobile Radio Commun. (PIMRC), Washington, DC, USA, Sep. 2014.
  63. R. Razavi and H. Claussen, “Digital fountain codes with reduced latency, complexity and buffer requirements for wireless communications,” in Proc. IEEE Vehicular Technology Conference 2014 Spring, Seoul, South Korea, May 2014.
  64. S. Kucera, L. Ho, R. Razavi, and H. Claussen, “Coverage optimization tradeoffs in heterogeneous W-CDMA networks with co-channel small cells,” in Proc. IEEE Vehicular Technology Conference 2014 Spring, Seoul, South Korea, May 2014.
  65. S. Kucera and H. Claussen, “Impact of co-channel small cell deployments on uplink capacity of W-CDMA cellular networks,” in Proc. IEEE Vehicular Technology Conference 2014 Spring,Seoul, South Korea, May 2014.
  66. D. López-Pérez, X. Chu, A. Vasilakos, and H. Claussen, “Power minimization based resource allocation for interference mitigation in OFDMA femtocell networks,” IEEE Journal on Selected Areas in Communications, vol. 32, no. 12, pp. 333–344, Feb. 2014.
  67. D. López-Pérez and H. Claussen, “Improved frequency reuse schemes through sector offset configuration in LTE heterogeneous networks,” in Proc. IEEE Int. Conf. Commun. (ICC), Sydney, Australia, Jun. 2014.
  68. S. Kucera and H. Claussen, “Uplink-oriented deployment guidelines and optimization in W-CDMA heterogeneous networks,” in Proc. IEEE Globecom 2013, Atlanta, USA, Dec. 2013.
  69. R. Razavi, D. López-Pérez, and H. Claussen, “A new approach for scrambling and spreading code reuse in WCDMA networks,” in Proc. IEEE Globecom 2013,Atlanta, USA, Dec. 2013.
  70. A. Zakrzewska, D. López-Pérez, S. Kucera, and H. Claussen, “Dual connectivity in LTE HetNets with split control-and user-plane,” in Proc. IEEE Globecom 2013, Atlanta, USA, Dec. 2013.
  71. D. López-Pérez, H. Claussen, and L. Ho, “Sector offset configuration with static vertical beam-forming for LTE,” in Proc. IEEE Globecom 2013,Atlanta, USA, Dec. 2013.
  72. D. López-Pérez and H. Claussen, “Duty cycles and load balancing in HetNets with eICIC almost blank subframes,” in Proc. IEEE PIMRC Workshops 2013,London, UK, Sep. 2013, pp. 173–178.
  73. H. Claussen and L. Ho, “Multi-carrier cell structures with vertical and horizontal sector offset using static beamforming,” in Proc. IEEE PIMRC 2013,London, UK, Sep. 2013, pp. 835–840.
  74. D. López-Pérez, H. Claussen, and L. Ho, “Improved frequency reuse schemes with horizontal sector offset for LTE,” in Proc. IEEE PIMRC 2013, London, UK, Sep. 2013, pp. 2159–2164.
  75. L. Ho, H. Claussen, and D. Cherubini, “Online evolution of femtocell coverage algorithms using genetic programming,” in Proc. IEEE PIMRC 2013,London, UK, Sep. 2013, pp. 3033–3038.
  76. D. López-Pérez, X. Chu, A. V. Vasilakos, and H. Claussen, “On distributed and coordinated resource allocation for interference mitigation in self-organizing LTE networks,” IEEE/ACM Transactions on Networking, vol. 21, no. 4, pp. 1145–1158, Aug. 2013.
  77. E. Hemberg, L. Ho, M. O’Neill, and H. Claussen, “Representing communication and learning in femtocell pilot power control algorithms,” in Genetic Programming Theory and Practice X, R. Riolo, E. Vladislavleva, M. D. Ritchie, and J. H. Moore, Eds., Springer, 2013, ch. 15, pp. 223–238.
  78. D. López-Pérez, X. Chu, and H. Claussen, “Uncoordinated femtocell deployments,” in Heterogeneous Cellular Networks: Theory, Simulation and Deployment,X. Chu, D. López-Pérez, Y. Yang, and F. Gunnarsson, Eds., Cambridge University Press, Jul. 2013, pp. 217–242.
  79. H. Claussen, L. T. W. Ho, F. Pivit, and L. G. Samuel, “Femtocell coverage optimization,” in Small Cell Networks: Deployment, PHY Techniques, and Resource Management, T. Q. S. Quek, G. de la Roche, I. Guvenc, and M. Kountouris, Eds., Cambridge University Press, Jul. 2013, pp. 161–186.
  80. H. Claussen and L. T. W. Ho, “Multi-carrier cell structures with offset sectorization for heterogeneous networks,” in Proc. IEEE International Conference on Communications (ICC),Budapest, Hungary, May 2013, pp. 1215–1220.
  81. R. Razavi and H. Claussen, “Improved fuzzy reinforcement learning for self-optimisation of heterogeneous wireless networks,” in Proc. IEEE International Conference on Telecommunications (ICT),Casablanca, Morocco, May 2013.
  82. R. Razavi, D. López-Pérez, and H. Claussen, “Neighbour cell list management in wireless heterogeneous networks,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC), Shanghai, China, Apr. 2013, pp. 1220–1225.
  83. E. Hemberg, L. T. W. Ho, M. O’Neill, and H. Claussen, “A comparison of grammatical genetic programming grammars for controlling femtocell network coverage,” Genetic Programming and Evolvable Machines,Springer, pp. 1–29, Oct. 2012.
  84. E. Hemberg, L. Ho, M. O’Neill, and H. Claussen, “Evolving femtocell algorithms with dynamic & stationary training scenarios,” in Proc. 12th Int. Conf. on Parallel Problem Solving from Nature (PPSN),Taormina, Italy, Sep. 2012.
  85. A. Checco, R. Razavi, D. J. Leith, and H. Claussen, “Self-configuration of scrambling codes for WCDMA small cell networks,” in Proc. 23rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sydney, Australia, Sep. 2012, pp. 149–154.
  86. H. Claussen and L. T. W. Ho, “Multi-carrier cell structures with angular offset,” in Proc. 23rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Sydney, Australia, Sep. 2012, pp. 1179–1184.
  87. R. Razavi, C. Androne, and H. Claussen, “Handover optimization for co-channel WCDMA heterogeneous networks,” in Proc. 23rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sydney, Australia, Sep. 2012, pp. 905–909.
  88. R. Razavi and H. Claussen, “Controlling local service access in wireless cellular networks,” in Proc. 23rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Sydney, Australia, Sep. 2012, pp. 1126–1130.
  89. R. Razavi, S. Kucera, C. Androne, and H. Claussen, “Characterisation of other cell interference in co-channel WCDMA small cell networks,” in Proc. IEEE 75th Vehicular Technology Conference (VTC), Yokohama, Japan, May 2012.
  90. J. G. Andrews, H. Claussen, M. Dohler, S. Ragan, and M. C. Reed, “Femtocells: Past, present, and future,” IEEE Journal on Selected Areas in Communications (JSAC), Special Issue: Femtocell Networks, vol. 30, no. 3, pp. 497–508, Apr. 2012.
  91. R. Razavi and H. Claussen, “Urban small cell deployments: Impact on the network energy consumption,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC), Paris, France, Apr. 2012, pp. 47–52.
  92. R. Razavi and H. Claussen, “Self-configuring switched multi-element antenna system for interference mitigation in femtocell networks,” in Proc. 22nd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Toronto, Canada, Sep. 2011, pp. 237–242.
  93. D. López-Pérez, X. Chu, T. Vasilakos, and H. Claussen, “Minimising cell transmit power: Towards self-organized resource allocation in OFDMA femtocells,” in Proc. ACM SIGCOMM,Toronto, Canada, Aug. 2011, pp. 410–411.
  94. E. Hemberg, L. T. W. Ho, M. O’Neill, and H. Claussen, “A symbolic regression approach to manage femtocell coverage using grammatical genetic programming,” in Proc. 20th ACM Genetic and Evolutionary Computation Conference (GECCO), Dublin, Ireland, Jul. 2011, pp. 639–646.
  95. R. Razavi, S. Klein, and H. Claussen, “A fuzzy reinforcement learning approach for self-optimization of wireless coverage in LTE networks,” Bell Labs Technical Journal,vol. 15, no. 3, pp. 153–176, Nov. 2010.
  96. H. Claussen and L. G. Samuel, “The future of small cell networks,” IEEE COMSOC MMTC E-Letter, vol. 5, no. 5, pp. 32–36, Sep. 2010.
  97. R. Razavi, S. Klein, and H. Claussen, “Self-optimization of capacity and coverage in LTE networks using a fuzzy reinforcement learning approach,” in Proc. 21th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Istanbul, Turkey, Sep. 2010, pp. 1865–1870.
  98. V. M. Nguyen and H. Claussen, “Efficient self-optimization of neighbour lists in macrocellular networks,” in Proc. 21th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Istanbul, Turkey, Sep. 2010, pp. 1923–1928.
  99. I. Ashraf, H. Claussen, and L. T. W. Ho, “Distributed radio coverage optimization in enterprise femtocell networks,” in Proc. IEEE International Conference on Communications (ICC), Cape Town, South Africa, May 2010.
  100. I. Guvenc, S. Saunders, O. Oyman, H. Claussen, and A. Gatherer, “Editorial - femtocell networks,” EURASIP Journal on Wireless Communications and Networking, pp. 1–2, 2010.
  101. H. Claussen, I. Ashraf, and L. T. W. Ho, “Dynamic idle mode procedures for femtocells,” Bell Labs Technical Journal, vol. 15, no. 2, pp. 95–116, Aug. 2010.
  102. I. Ashraf, L. T. W. Ho, and H. Claussen, “Improving energy efficiency of femtocell base stations via user activity detection,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC),Sydney, Australia, Apr. 2010.
  103. D. Calin, H. Claussen, and H. Uzunalioglu, “On femto deployment architectures and macrocell offloading benefits in joint macro-femto deployments,” IEEE Communications Magazine, vol. 48, no. 1, pp. 26–32, Jan. 2010.
  104. L. T. W. Ho, I. Ashraf, and H. Claussen, “Evolving femtocell coverage optimization algorithms using genetic programming,” in Proc. 20th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Tokyo, Japan, Sep. 2009, pp. 2132–2136.
  105. H. Claussen and D. Calin, “Macrocell offloading benefits in joint macro- and femtocell deployments,” in Proc. 20th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Tokyo, Japan, Sep. 2009, pp. 350–354.
  106. J. O’Carrol, H. Claussen, and L. Doyle, “Partial GSM spectrum reuse for femtocells,” in Proc. 20th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Tokyo, Japan, Sep. 2009, pp. 2111–2116.
  107. H. Claussen, L. T. W. Ho, and F. Pivit, “Self-optimization of femtocell coverage to minimize the increase in core network mobility signalling,” Bell Labs Technical Journal, vol. 14, no. 2, pp. 155–184, Aug. 2009.
  108. H. Claussen, “Autonomous self-deployment of wireless access networks,” Bell Labs Technical Journal,vol. 14, no. 1, pp. 55–72, May 2009.
  109. H. Claussen and F. Pivit, “Femtocell coverage optimization using switched multi-element antennas,” in Proc. IEEE International Conference on Communications (ICC), Dresden, Germany, Jun. 2009.
  110. J. D. Hobby and H. Claussen, “Deployment options for femtocells and their impact on existing macrocellular networks,” Bell Labs Technical Journal, vol. 13, no. 4, pp. 145–160, Feb. 2009.
  111. H. Claussen, L. T. W. Ho, and F. Pivit, “Leveraging advances in mobile broadband technology to improve environmental sustainability,” Telecommunications Journal of Australia,vol. 59, no. 1, pp. 4.1–4.18, Feb. 2009.
  112. H. Claussen, L. T. W. Ho, and F. Pivit, “Effects of joint macrocell and residential picocell deployment on the network energy efficiency,” inProc. 19th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Cannes, France, Sep. 2008.
  113. H. Claussen, L. T. W. Ho, and L. G. Samuel, “Self-optimization of coverage for femtocell deployments,” in Proc. Wireless Telecommunications Symposium (WTS),Los Angeles, USA, Apr. 2008, pp. 278–285.
  114. H. Claussen, L. T. W. Ho, and L. G. Samuel, “An overview of the femtocell concept,” Bell Labs Technical Journal,vol. 15, no. 3, pp. 137–147, Dec. 2008.
  115. H. Claussen, “Performance of macro- and co-channel femtocells in a hierarchical cell structure,” in Proc. 18th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Athens, Greece, Sep. 2007.
  116. L. T. W. Ho and H. Claussen, “Effects of user-deployed, co-channel femtocells on the call drop probability in a residential scenario,” in Proc. 18th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Athens, Greece, Sep. 2007.
  117. H. Claussen, L. T. W. Ho, and L. G. Samuel, “Financial analysis of a pico-cellular home network deployment,” in Proc. IEEE International Conference on Communications (ICC),Glasgow, UK, Jun. 2007, pp. 5604–5609.
  118. H. R. Karimi, L. T. W. Ho, H. Claussen, and L. G. Samuel, “Evolution towards dynamic spectrum sharing in mobile communications,” in Proc. 17th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Helsinki, Finland, Sep. 2006.
  119. H. Claussen, “Distributed algorithms for robust self-deployment and load balancing in autonomous wireless access networks,” in Proc. IEEE International Conference on Communications (ICC), Istanbul, Turkey, Jun. 2006, pp. 1927–1932.
  120. H. Claussen, “Autonomous self-deployment of wireless access networks in an airport environment,” in Autonomic Communication, ser. Lecture Notes in Computer Science (LNCS), I. Stavrakakis and M. Smirnov, Eds., vol. 3854,
    Springer, Berlin, Heidelberg, New York, Feb. 2006, pp. 86–98.
  121. H. Claussen, L. T. W. Ho, H. R. Karimi, F. J. Mullany, and L. G. Samuel, “I, base station: Cognisant robots and future wireless access networks,” in Proc. 3rd IEEE Consumer Communications and Networking Conference (CCNC), Las Vegas, USA, Jan. 2006, pp. 595–599.
  122. H. Claussen, H. R. Karimi, and B. Mulgrew, “Low complexity detection of high-order modulations in multiple antenna systems,” IEE Proceedings Communications,vol. 152, no. 6, pp. 789–796, Dec. 2005.
  123. H. Claussen, “Efficient modelling of channel maps with correlated shadow fading in mobile radio systems,” in Proc. 16th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Berlin, Germany, Sep. 2005, pp. 512–516.
  124. H. Claussen, H. R. Karimi, and B. Mulgrew, “Improved Max-Log MAP turbo decoding by maximization of mutual information transfer,” EURASIP Journal on Applied Signal Processing,vol. 2005, no. 6, pp. 820–827, May 2005.
  125. L. T. W. Ho, F. J. Mullany, H. Claussen, and L. G. Samuel, “Autonomous organization of wireless network transport in a multi-provider environment,” in Proc. International Symposium on Autonomous Decentralized Systems (ISADS), Chengdu, China, Apr. 2005, pp. 719–724.
  126. F. J. Mullany, L. T. W. Ho, L. G. Samuel, and H. Claussen, “Self-deployment, self-organization: Critical future paradigms for wireless access networks,” in Autonomic Communication, ser. Lecture Notes in Computer Science (LNCS), M. Smirnov, Ed., vol. 3457, Springer, Berlin, Heidelberg, New York, Jul. 2005, pp. 58–68.
  127. H. Claussen, H. R. Karimi, and B. Mulgrew, “Layered encoding for low complexity detection of high-order modulations in MIMO channels,” in Proc. 8th IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA), Sydney, Australia, Sep. 2004, pp. 7–11.
  128. H. Claussen, “Low complexity receiver architectures for high-speed wireless multiple input multiple-output (MIMO) systems,” Ph.D. dissertation,The University of Edinburgh, UK, Mar. 2004.
  129. H. R. Karimi and H. Claussen, “Impact of modelling errors on the performance of MIMO receivers with APP and PIC detection,” in Proc. IEEE Globecom, San Francisco, USA, Dec. 2003, pp. 1231–1236.
  130. H. Claussen, H. R. Karimi, and B. Mulgrew, “High-performance MIMO receivers based on multi-stage partial parallel interference cancellation,” in Proc. 58th IEEE Vehicular Technology Conference (VTC), Orlando, USA, Oct. 2003, pp. 414–418.
  131. H. Claussen, H. R. Karimi, and B. Mulgrew, “Improved Max-Log MAP turbo decoding using maximum mutual information combining,” in Proc. 14th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC),Beijing, China, Sep. 2003, pp. 424–428.
  132. H. Claussen, H. R. Karimi, and B. Mulgrew, “Layerered enconding for 16- and 64-QAM iterative MIMO receivers,” in Proc. 5th European Personal Mobile Communications Conference (EPMCC), Glasgow, UK, Apr. 2003, pp. 511–515.
  133. H. Claussen, H. R. Karimi, and B. Mulgrew, “A low complexity iterative receiver based on successive interference cancellation,” in Proc. Conference on Personal Wireless Communications (PWC),Singapore, Oct. 2002, pp. 105–112.
  134. H. Claussen, H. R. Karimi, and B. Mulgrew, “Performance optimization of successive interfererence cancellation detectors,” in Proc. World Wireless Congress, San Francisco, USA, May 2002.                                                                  

Patents

  1. S. Kucera, H. Claussen, and S. F. Oliveira, “Multipath error correction,” Patent EP3389206B1, Apr. 2017.   
  2. D. Fang and H. Claussen, “Non-orthogonal downlink signals for multiple users,” Patent EP3206319B1, Feb. 2016.  
  3. D. Fang and H. Claussen, “Non-orthogonal multiple uplink communications,” Patent EP3206318B1, Feb. 2016.   
  4. L. Ho, H. Claussen, and H. Gacanin, “A telecommunication controller, and method of controlling multiple small cell base stations,” Patent ES2718064T3, PL3160192T3, EP3160192B1, Oct. 2015.          
  5. D. Fang, S. Kucera, and H. Claussen, “Receiver, a plurality of transmitters, a method of receiving user data from multiple transmitters, and a method of transmitting user data,” Patent EP3136632A1, JP6530560B2, WO2017032625A1, CN108352918B, US10693701B2, Aug. 2015.                                                                   
  6. L. Ho, D. López-Pérez, and H. Claussen, “A wireless communications node, and method of reserving a time period for communications on a spectrum band shared between two different wireless network technologies,” Patent EP3113530B1, Jun. 2015.
  7. L. E. Li and H. Claussen, “Channel estimation techniques for LSAS backhaul and the like,” Patent US9866301B2, TW201644208A, WO2016156986A1, Mar. 2015.  
  8. A. Wielgoszewska, L. Ho, D. López-Pérez, H. Claussen, and H. Gacanin, “Network node and method for cell identifiers determination,” Patent EP3068158B1, Oct. 2015.                                                         
  9. D. López-Pérez, V. Venkateswaran, and H. Claussen, “Method and apparatus to mitigate pilot power contamination in large scalable antenna systems,” Patent EP3035620B1, Dec. 2014.                                                  
  10. D. López-Pérez, H. Claussen, and L. T. W. Ho, “Reducing collision between cellular and non-cellular transmissions,” Patent PL3035764T3, ES2699429T3, EP3035764B1, Dec. 2014.                                                                 
  11. D. López-Pérez and H. Claussen, “Mitigating UL-To-DL interference,” Patent EP2930994B1, JP6431091B2, WO2015154935A1, CN106165518B, US10368357B2, Apr. 2014.                                                                  
  12. D. López-Pérez and H. Claussen, “Mitigating dl-ul interference,” Patent EP2930982B1, US20170034790A1, JP6416930B2, CN106165502B, WO2015154934A1, Apr. 2014.                                                                      
  13. M. Dashti, L. T. W. Ho, and H. Claussen, “A user terminal, a base station, and a method of determining received signal power and location of a user terminal,” Patent EP2928244B1, Mar. 2014.                         
  14. H. Claussen and D. López-Pérez, “Method for full duplex communication, network, node and computer program product,” Patent EP2919411B1, Mar. 2014.                                                                             
  15. F. Pivit and H. Claussen, “A small cell base station, communications network and communications method,” Patent PL2858430T3, EP2858430B1, ES2686819T3, Oct. 2013.                                                                   
  16. R. Razavi and H. Claussen, “Proxy node and method,” Patent EP2827555A1, JP6181298B2, WO2015007370A1, US9918349B2, Jul. 2013.
  17. R. Razavi and H. Claussen, “Rateless encoding,” Patent EP2827503A1, WO2015007357A1, US10135576B2, Jul. 2013.
  18. D. López-Pérez, H. Claussen, and S. Kucera, “Wireless telecommunications network nodes and methods,” Patent EP2824958B1, WO2015003768A1, Jul. 2013.
  19. D. López-Pérez and H. Claussen, “Load balancing between antennas and scheduling to improve throughput of cell edge users,” Patent EP2816854B1, Jun. 2013.
  20. D. López-Pérez and H. Claussen, “Heterogeneous network,” Patent EP2816832B1, Jun. 2013.
  21. H. Claussen, F. Pivit, and V. Venkateswaran, “Two stage leakage cancellation in full duplex communication,” Patent EP2814184B1, Jun. 2013.
  22. R. Razavi and H. Claussen, “Cell failure compensation method and network node,” Patent EP2770772B1, Feb. 2013.
  23. D. López-Pérez, H. Claussen, and L. T. W. Ho, “Interference coordination in hetnet,” Patent EP2768266B1, Feb. 2013.
  24. D. López-Pérez and H. Claussen, “Scheduling in a cooperative heterogenous network,” Patent EP2736296B1, Nov. 2012.
  25. R. Razavi and H. Claussen, “Neighbouring cell list creation in a heterogenous network,” Patent EP2731378B1, Nov. 2012.
  26. H. Claussen, “Multi-beam radio base station,” Patent EP2709396A1, US10057778B2, WO2014040712A1, CN104641672A, TWI486086B, Sep. 2012.
  27. H. Claussen and L. T. W. Ho, “Frequency band selection in heterogeneous networks,” Patent EP2709393B1, CN104620619B, WO2014040711A1, JP6041990B2, US9763103B2, KR20150042822A, Sep. 2012.
  28. R. Razavi and H. Claussen, “Small cell base station control,” Patent EP2677794B1, Jun. 2012.
  29. R. Razavi and H. Claussen, “Method, apparatus and computer program product for selecting a primary scrambling code in a femto cell,” Patent EP2661114B1, May 2012.
  30. R. Razavi and H. Claussen, “Proactive uplink transmit power increase in small cells upon outbound handovers,” Patent PL2640127T3, ES2635214T3, EP2640127B1, TWI486077B, CN104170458B, US9319995B2, JP5993035B2, WO2013135797A1, KR101751219B1, Mar. 2012.
  31. S. Kucera and H. Claussen, “Communication control,” Patent EP2635064B1, Feb. 2012.
  32. H. Claussen, S. Bulja, and I. Kennedy, “Distance estimation,” Patent EP2592433B1, CN103917888A, KR20140069165A, JP2015507172A, WO2013068095A1, US20140323151A1, IN2014DN03411A, Nov. 2011.
  33. M. Shahid, H. Claussen, L. T. W. Ho, and L. G. Samuel, “Reduction of interference in mobile telecommunications systems,” Patent CN103210595B, US20130295916A1, EP2638636B1, WO2012062427A1, Nov. 2010.
  34. H. Claussen, I. Kennedy, and S. Samuel, “Authentication,” Patent EP2530962B1, May 2011.
  35. H. Claussen, “Device control,” Patent EP2528396B1, May 2011.
  36. I. Kennedy and H. Claussen, “Femto cell device,” Patent EP2528408B1, WO2012159886A1, US9635548B2, CN103609191B, JP5813216B2, May 2011.
  37. R. Razavi and H. Claussen, “A small cell base station comprising multiple antennas, and a method of controlling reception pattern by selecting a subset of the antennas for use,” Patent EP2506625B1, KR20130138828A, WO2012130371A1, US9451623B2, JP5789040B2, CN103518394B, Mar. 2011.
  38. I. Kennedy and H. Claussen, “Interrogation unit,” Patent EP2451219B1, WO2012059213A1, Nov. 2010.
  39. E. Jul and H. Claussen, “Network nodes and methods,” Patent EP2600550B1, EP2451104B1, PL2451104T3, KR20130090910A, CN103190104B, US9894530B2, JP5897022B2, WO2012059214A2, Nov. 2010.
  40. E. Jul and H. Claussen, “A femtocell base station, and a method of selecting carrier frequency band of a femtocell base station,” Patent EP2426974B1, CN103210677A, WO2012028254A1, US9179378B2, Sep. 2010.
  41. H. Claussen, F. Pivit, I. Kennedy, and F. Mullany, “Detector,” Patent EP2403277B1, JP5907960B2, WO2012000613A1, US20130178232A1, CN102986255B, TWI447654B, Jul. 2010.
  42. R. Razavi, H. Claussen, and L. T. W. Ho, “A method of reinforcement learning, corresponding computer program product, and data storage device therefor,” Patent EP2381394B1, Apr. 2010.
  43. R. Razavi, H. Claussen, and L. T. W. Ho, “A method of reinforcement learning, corresponding computer program product, and data storage device therefor,” Patent EP2386987B1, EP2381393A1, Apr. 2010.
  44. L. G. Samuel, H. Claussen, L. T. W. Ho, and M. Shahid, “Handover control,” Patent EP2330850B1, CN102754480B, US9078178B2, WO2011069612A1, KR20130139380A, JP5762436B2, KR101473683B1, JP6009014B2, Dec. 2009.
  45. I. Ashraf and H. Claussen, “Base station, method and computer program product for load balancing in a group of base stations,” Patent EP2296394B1, US9002363B2, WO2011029497A1, KR20120053069A, CN102577467B, JP5450822B2, US20140295846A1, Sep. 2009.
  46. L. T. W. Ho and H. Claussen, “Telecommunications network node and methods,” Patent EP2296410B1, JP5415620B2, KR101410295B1, US8942753B2, CN102640545B, WO2011029503A1, Sep. 2009.
  47. L. T. W. Ho, L. G. Samuel, H. Claussen, and I. Ashraf, “Evolving algorithms for telecommunications network nodes by genetic programming,” Patent EP2261841A1, CN102576424A, KR101378325B1, WO2010142464A1, JP5415615B2, US9047570B2, Jun. 2009.
  48. M. Portolan, H. Claussen, L. T. W. Ho, S. Goyal, and L. G. Samuel, “Fault detection among base stations,” Patent EP2230864B1, Mar. 2009.
  49. L. T. W. Ho, I. Ashraf, H. Claussen, and L. G. Samuel, “Evolving algorithms for network node control in a telecommunications network by genetic programming,” Patent EP2230634A1, KR20110126181A, CN102356399A, WO2010105781A1, US8880052B2, Mar. 2009.
  50. M. Shahid, L. G. Samuel, and H. Claussen, “Local network timing reference signal,” Patent EP2211581B1, Jan. 2009.
  51. V. M. Nguyen and H. Claussen, “Automatic configuration of a neighbor cell list for a base station in a cellular wireless network,” Patent AT545299T, EP2205023B1, US8780801B2, CN102273266B, WO2010075990A1, JP5330542B2, KR101307180B1, Dec. 2008.
  52. P. Sapiano, H. Claussen, and N. Bradley, “Method of identification of a femtocell base station as a handover target, and apparatus therefore,” Patent AT528938T, EP2197228B1, CN101754303B, US8345633B2, Dec. 2008.
  53. M. Shahid and H. Claussen, “Providing location information,” Patent EP2194739B1, US8606244B2, JP5276180B2, KR101265509B1, WO2010063469A1, CN102308607B, Dec. 2008.
  54. H. Claussen and I. Kennedy, “Femtocell base station, and a method of radio communication in a network comprising a femtocell base station,” Patent EP2190236A1, WO2010057563A1, CN101742520A, US8285293B2, Nov. 2008.
  55. H. Claussen and F. Pivit, “Base station coverage optimization using switched multi-element antennas,” Patent EP2161851B1, Sep. 2008.
  56. M. Shahid, H. Claussen, and L. G. Samuel, “Base station and method of determining whether to set up a call,” Patent DE602008004763D1, EP2148550B1, AT497343T, Jun. 2008.
  57. J. K. Burgess and H. Claussen, “User initiated mobile learning of preferred femtocell,” Patent US8000709B2, CN102067680B, WO2009157972A1, KR101230943B1, PL2301280T3, EP2301280B1, JP5149441B2, Jun. 2008.
  58. H. Claussen and L. T. W. Ho, “Allocating base stations to location areas in cellular telecommunications networks,” Patent EP2120491B1, AT509484T, JP5232297B2, WO2009138161A1, KR101165585B1, US8179854B2, CN101583133B, May 2008.
  59. H. Claussen and L. T. W. Ho, “A picocell base station for wireless telecommunications providing radio coverage lobes as well as a method of identifying which subset of the lobes covers a user terminal,” Patent EP2111068B1, KR101173534B1, JP5036905B2, WO2009127306A1, US8265701B2, CN101562818B, Apr. 2008.
  60. L. T. W. Ho and H. Claussen, “Automatic allocation of area codes for femtocell deployment,” Patent EP2079258B1, KR101202213B1, JP5106642B2, WO2009087083A1, US20090181688A1, CN101511080B, Jan. 2008.
  61. H. Claussen and L. T. W. Ho, “Co-channel operation of submacrocells with restricted access,” Patent DE602008004207D1, AT493854T, EP2077685B1, Jan. 2008.
  62. L. T. W. Ho, H. Claussen, and L. G. Samuel, “A picocell base station and method of adjusting transmission power of pilot signals therefrom,” Patent EP2071738B1, JP5265699B2, KR101463725B1, WO2009074221A2, US8229491B2, CN101459957B, Dec. 2007.
  63. L. T. W. Ho, L. G. Samuel, H. Claussen, and P. Polakos, “Method of automatically configuring a home base station router,” Patent US9497642B2, Jun. 2007.
  64. L. T. W. Ho, H. Claussen, and L. G. Samuel, “A method of adjusting the position of a picocell base station, as well as apparatus therefor,” Patent EP2009941B1, DE602007002803D1, WO2009003665A1, Aug. 2007.
  65. H. Claussen, L. T. W. Ho, and L. G. Samuel, “Detecting and reporting a picocell by a mobile station,” Patent US9326201B2, WO2008079203A1, JP5039792B2, EP2127452B1, CN101563947B, KR101203930B1, Dec. 2006.
  66. L. T. W. Ho, H. Claussen, and L. G. Samuel, “Device for facilitating overlay network operation in an underlay network environment,” Patent US8355726B2, WO2008088521A1, KR101145198B1, EP2092778B1, PL2092778T3, JP5021039B2, CN101548560A, ES2647268T3, Dec. 2006.
  67. H. Claussen, H. R. Karimi, L. T. W. Ho, and L. G. Samuel, “Establishing cell codes for picocells within a macrocell,” Patent US7835740B2, WO2008076222A1, JP5031848B2, KR101106028B1, CN101574001B, EP2095659B1, Dec. 2006.
  68. H. Claussen, L. G. Samuel, and L. T. W. Ho, “Controlling uplink power for picocell communications within a macrocell,” Patent US9629096B2, KR101176375B1, JP5465010B2, ES2711310T3, EP2095531B1, WO2008076219A2, CN101574000A, Dec. 2006.
  69. I. Kennedy, H. Claussen, L. T. W. Ho, and Z. Ma, “Wireless communications using overlay network devices within coverage areas of underlay network devices,” Patent US20080117866A1, WO2008066726A2, EP2098094B1, JP5031845B2, KR101036447B1, CN101543115A, US9402214B2, Nov. 2006.
  70. H. Claussen, L. T. W. Ho, L. G. Samuel, and H. R. Karimi, “Automated configuration of a base station router device,” Patent US7808946B2, CN101491131B, EP2044785B1, JP5063692B2, WO2008008452A2, KR101086211B1, ES2697505T3, Jul. 2006.
  71. H. R. Karimi, H. Claussen, L. T. W. Ho, and L. G. Samuel, “Controlling transmit power of picocell base units,” Patent US8369859B2, CN101449606A, EP2027733B1, KR20090006200A, JP5302188B2, JP5302188B2, May 2006.
  72. L. T. W. Ho, H. Claussen, H. R. Karimi, and L. G. Samuel, “Method of managing interference in a wireless communication system,” Patent US8958752B2, KR101059610B1, CN101449518B, JP5220729B2, EP2018735B1, WO2007133432A2, US9215722B2, May 2006.
  73. H. Claussen, H. R. Karimi, L. T. W. Ho, and L. G. Samuel, “Automatically configuring a neighbor set for a base station,” Patent US7603124B2, US7970404B2, Mar. 2006.
  74. H. R. Karimi, H. Claussen, L. T. W. Ho, and L. G. Samuel, “Controlling base station router device definition codes,” Patent US8108003B2, Mar. 2006.
  75. H. Claussen, “Adapting a communications network of wireless access nodes to a changing environment,” Patent US7299069B2, EP1864528A1, WO2006107555A1, Mar. 2005.
  76. H. Claussen and R. H. Karimi, “Decoding method and apparatus,” Patent US7391826B2, EP1507332A1, KR20050019014A, JP2005065271A, Aug. 2003.
  77. H. Claussen and R. H. Karimi, “A MIMO radio telecommunication system using multilevel-coded modulation operative by iterative determination of soft estimates, and a corresponding method,” Patent EP1392017B1, DE60215153T2, US7248647B2, Aug. 2002.
  78. H. Claussen and R. H. Karimi, “Receiver and method for multi-input multi-output iterative detection using feedback of soft estimates,” Patent EP1337082, DE60206873T2, US7212579B2, Feb. 2002.
  79. T. E. Abrudan, V.-M. Kolmonen, and H. Claussen, “Location estimation,” Patent application WO2020074071A1, Oct. 2018.
  80. T. E. Abrudan, V.-M. Kolmonen, and H. Claussen, “Positioning system and method,” Patent application WO2020074070A1, Oct. 2018.
  81. S. Kucera, H. Claussen, D. Lynch, D. Fagan, M. Fenton, and M. O’Neill, “Methods and systems for network self-optimization using deep learning,” Patent application US20200015101A1, WO2018149898A2, CN110521234A, EP3583797A2, Feb. 2017.
  82. T. Abrudan, S. Kucera, and H. Claussen, “Single carrier like transceiver which mainatins null subcarriers,” Patent application WO2018196996A1, Apr. 2017.
  83. T. Abrudan, S. Kucera, and H. Claussen, “Processing multiple carrier visible light communication signals,” Patent application CN110506398A, WO2018188758A1, EP3610586A1, Apr. 2017.
  84. D. Fang, L. Guan, H. Claussen, and A. Bonfante, “Processing wireless communication signals,” Patent application EP3324592A1, WO2018091528A1, Nov. 2016.
  85. G. Geraci, D. López-Pérez, and H. Claussen, “Allocation of orthogonal resources to user equipment,” Patent application EP3300284A1, WO2018055163A1, CN109792345A, US20190239231A1, Sep. 2016.
  86. G. Geraci, D. López-Pérez, and H. Claussen, “Allocation of resources for a renewed wireless channel estimation depending on validity of current estimation,” Patent application EP3297376A1, US20190254044A1, WO2018050703A1, CN109716846A, Sep. 2016.
  87. G. Geraci, D. Fang, and H. Claussen, “Multiple antenna multiuser downlink transmission,” Patent application EP3276846A1, Jul. 2016.
  88. D. Fang and H. Claussen, “A controller, a transmitting network, a user terminal, and a method of multipoint joint transmission downlink,” Patent application EP3168998A1, WO2017081075A1, Nov. 2015.
  89. D. Fang, S. Kucera, and H. Claussen, “A wireless communications node, and method of reserving a time period for communications on a spectrum band shared between two different wireless network technologies,” Patent application EP3160054A1, Oct. 2015.
  90. M. Dashti, H. Claussen, and H. Mahmoodi, “A method for use in determining the location of user equipment within a region, a location server and a computer program product,” Patent application EP3096155A1, May 2015.
  91. H. Gacanin, L. T. W. Ho, and H. Claussen, “Femtocells,” Patent application EP3068176A1, Mar. 2015.     
  92. D. López-Pérez, H. Claussen, and L. T. W. Ho, “Coexistence of cellular and non-cellular systems,” Patent application EP3035758A1, Dec. 2014.
  93. M. Dashti and H. Claussen, “Method for determining the relative position of user equipment in a wireless telecommunication network, a node and a computer program product,” Patent application EP3001215A1, Sep. 2014.
  94. D. López-Pérez, S. Kucera, and H. Claussen, “Cell identification,” Patent application EP2988542A1, Aug. 2014.
  95. R. Razavi and H. Claussen, “Method for resource allocation, a node, a controller and user equipment,” Patent application EP2988453A1, Aug. 2014.
  96. R. Razavi and H. Claussen, “Small cell base station deployment in cellular networks,” Patent application EP2943003A1, May 2014.
  97. M. Dashti and H. Claussen, “Method, base station, system and computer-readable medium to localize a user device,” Patent application EP2934052A1, Apr. 2014.
  98. R. Razavi and H. Claussen, “A telecommunications method, telecommunications system, node and user equipment,” Patent application EP2924883A1, Mar. 2014.
  99. R. Razavi and H. Claussen, “Method for selecting an antenna pattern, node, network, antenna and computer program product,” Patent application EP2922330A1, Mar. 2014.
  100. H. Claussen and R. Razavi, “Idle mode control for wireless communication network nodes,” Patent application EP2887724A1, Dec. 2013.
  101. R. Razavi and H. Claussen, “Rateless decoding,” Patent application EP2858286A1, US20160218825A1, WO2015049042A1, Oct. 2013.
  102. R. Razavi and H. Claussen, “Rateless encoding,” Patent application EP2846469A1, WO2015036086A1, Sep. 2013.
  103. R. Razavi and H. Claussen, “Data transmission using rateless coding,” Patent application EP2782281A1, Mar. 2013.
  104. R. Razavi and H. Claussen, “Optimizing configuration parameters of a cluster of base stations,” Patent application EP2782381A1, Mar. 2013.
  105. H. Claussen and R. Razavi, “Base station and methods,” Patent application EP2775782A1, Mar. 2013.              
  106. H. Claussen and L. T. W. Ho, “Radio cells with angularly shifted beam patterns,” Patent application EP2635063A1, Mar. 2012.
  107. D. Cherubini, P. Bosch, and H. Claussen, “Multi-operator radio cells,” Patent application EP2496050A1, Mar. 2011.
  108. R. Razavi and H. Claussen, “Controller,” Patent application EP2413269A1, Jul. 2010.
  109. M. Portolan, D. Cherubini, and H. Claussen, “Telecommunications network node and methods,” Patent application EP2418889A1, WO2012010283A1, Jul. 2010.
  110. I. Kennedy and H. Claussen, “A sensor, and a method of a sensor detecting a user terminal that is in idle mode connected to a base station,” Patent application EP2367161A1, WO2011113525A1, TW201214344A, Mar. 2010.
  111. H. Claussen and F. Pivit, “Spectrum reuse,” Patent application EP2337390A1, Dec. 2009.                   
  112. M. Shahid, M. Fuente, H. Claussen, and L. G. Samuel, “A femtocell base station, and a method of triggering transfer of a radio connection with a user terminal from a macrocell base station to a femtocell base station,” Patent application EP2320699A1, US20130079020A1, KR20120091316A, WO2011057717A1, CN102668635A, JP2013510528A, Nov. 2009.
  113. H. Claussen, I. Ashraf, and M. Shahid, “A femtocell base station, and method of controlling a femtocell base station,” Patent application EP2299759A1, Sep. 2009.
  114. J. O’Carroll and H. Claussen, “Allocating frequency channels of a femto cell,” Patent application EP2219399A1, Feb. 2009.
  115. L. T. W. Ho and H. Claussen, “A user terminal for connection to a picocell base station as well as a method of radio connection of a user terminal,” Patent application EP2071878A1, Dec. 2007.
  116. P. Bosch, R. McLellan, P. Polakos, L. G. Samuel, H. Claussen, and J. M. Graybeal, “Method of confirming authorized microcell base station use,” Patent application US20090124235A1, Nov. 2007.
  117. H. Claussen, L. T. W. Ho, L. G. Samuel, and P. Bosch, “Method of modifying pilot power for a home base station router based on user demand,” Patent application US20090111499A1, Oct. 2007.
  118. L. T. W. Ho, H. Claussen, and L. G. Samuel, “Method of administering call handover between cells in a communications system,” Patent application US20080070575A1, EP2062454A2, WO2008033259A2, CN101518123A, KR20090045341A, Sep. 2006.
  119. H. Claussen and L. G. Samuel, “Changing the scrambling code of a base station for wireless telecommunications,” Patent application US20080039141A1, EP2050293A2, WO2008020969A2, Aug. 2006.
  120. F. J. Mullany, L. T. W. Ho, L. G. Samuel, H. Claussen, T. Klein, and G. Rittenhouse, “Radio access architecture withresource coordination of a plurality of base stations owned by different entities,” Patent application US20060223539A1, CN101156464A, JP2008535382A, KR20080002791A, EP1869910A2, WO2006107558A2, Mar. 2005.               
  121. F. J. Mullany, L. T. W. Ho, H. Claussen, and L. G. Samuel, “Bidding a price for goods and/or services in an auction of wireless communication access requests within a marketplace,” Patent application US20060167785A1, Jan. 2005.          
  122. H. Claussen, “Brokering services between wireless device users and operators,” Patent application US20060166669A1, Jan. 2005.                                                                                         
  123. H. Claussen, F. J. Mullany, L. T. W. Ho, and L. G. Samuel, “Transferring between or within networks a telecommunication service to a user terminal,” Patent application US20060135118A1, Dec. 2004.                  
  124. H. Claussen and R. H. Karimi, “Modulation in a mobile telecommunications system,” Patent application US20050201478A1, Mar. 2004.