hapcos
 

Technical Publications

Recent or Interesting Papers.

An article from NASA concerning HAP Airships for Coastal Surveillance.
http://gltrs.grc.nasa.gov/reports/2005/TM-2005-213427.pdf

An interesting report from NASA on Initial Feasibility Assessment of a High Altitude Long Endurance Airship
http://gltrs.grc.nasa.gov/reports/2003/CR-2003-212724.pdf

Also by the same author, a very futuristic presentation on 'Solid State Aircraft' - which might flap their wings on Venus and Mars as well!
Click here to download

Here are some articles relating to Lenticular Airships. Further details from Charles Luffman, (see articles for contact information).

Kevin Reed has now updated his article concerning thin solar cells and is available here: Kevin has also found and interesting paper on mechanical power harvesting using EAP actuators, which is available here:
An interesting paper on HAPs has recently come to our attention from the RAND Corporation in USA. This is a public domain document, and you can download it here.



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All Publications.

     K Reed, "ULTRA-LIGHT AMORPHOUS SILICON CELL FOR SPACE APPLICATIONSUltra-light amorphous silicon cell for space applications", March 2007.  
 

Journal papers.

     D. Grace, J. Thornton, G. Chen, G.P. White, T.C. Tozer, "Improving the System Capacity of Broadband Services Using Multiple High Altitude Platforms", IEEE Transactions on Wireless Communications, Vol. 4, No. 2, pp. 700-9 March 2005.  
 
     D, Grace, M. Mohorcic, M. H. Capstick, M. Bobbio Pallavicini, M. Fitch, "Integrating Users into the Wider Broadband Network via High Altitude Platforms", IEEE Wireless Communications, Vol. 12, No. 5, pp. 98-105 October 2005.  
 
     C. E. Palazzi, C. Roseti, M. Luglio, M. Gerla, M. Y. Sanadidi, J. Stepanek, "Enhancing Transport Layer Capability in HAPS-Satellite Integrated Architecture", International Journal in Wireless Personal Communications special issue on "High Altitude Platforms: Research and Application Activities", vol. 32, 2005, pp. 339-356 May 2005.  
 
     John Thornton , David Grace, "Effect of Lateral Displacement of a High Altitude Platform on Cellular Interference and Handover", IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, Vol 4. No.4 July 2005. pp. 1483-90. July 2005.  
 
     John Thornton, D.A.J.Pearce, D.Grace, M.Oodo, K.Katzis,T.C.Tozer, "Effect of Antenna Beam Pattern and Layout on Cellular Performance in High Altitude Platform Communications", International Journal of Wireless Personal Communications. Vol. 35 No. 1-2, October 2005, pp.35-51 October 2005.  
 
     J. Thornton, D. Grace, "Effect of Antenna Aperture Field on Co-Channel Interference, Capacity and Payload Mass in High Altitude Platform Communications", ETRI Journal.Vol. 26, Number 5, October 2004, pp.467 - 474 October 2004.  
 
     J. Thornton, "A Low Sidelobe Asymmetric Beam Antenna for High Altitude Platform Communications", IEEE Microwave and Wireless Components Letters. Vol. 14, No. 2, February 2004, pp.59-61 February 2004.  
 
     J. Thornton, D. Grace, M. H. Capstick, T. C. Tozer, "Optimising an Array of Antennas for Cellular Coverage from a High Altitude Platform", IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, VOL. 2, NO. 3, MAY 2003 pp.484 - 492 May 2003.  
 
     Y. Liu, D. Grace, P.D. Mitchell, "Effective System Spectral Efficiency Applied to a Multiple High Altitude Platform System", IEE Proceedings-Communications, Vol 152, No. 6, pp. 855-60 December 2005.  
 
     G. Chen, D. Grace, T.C. Tozer, "Performance of Multiple HAPs using Directive HAP and User Antennas", International Journal of Wireless Personal Communications – Special issue on High Altitude Platforms, Vol. 32, No. 3-4, pp. 275 –299 February 2005.  
 
     M. H. Capstick, D. Grace, "High Altitude Platform mm-wave Aperture Antenna Steering Solutions", International Journal of Wireless Personal Communications – Special issue on High Altitude Platforms, Vol. 32, No. 3-4, pp. 215 – 236 February 2005.  
 
     T.C. Tozer, D. Grace, "High Altitude Platforms for Wireless Communications", IEE Electronics and Communications Engineering Jnl, Vol. 13, No. 3 June 2001.  
 
     K. Katzis, D.A.J. Pearce, D. Grace, "Fairness in Channel Allocation in a High Altitude Platform Communication System exploiting Cellular Overlap", Wireless Personal Multimedia Communications (WPMC)’04 September 2004.  
 
     T. Konefal, C. Spillard, D. Grace, "Site diversity for High Altitude Platforms: A method for the prediction of joint site attenuation statistics", IEE Proc Ant and Prop April 2002.  
 
     J. Holis, P. Pechac, "Elevation Dependent Shadowing Model for Mobile Communications via High Altitude Platforms in Built-Up Areas", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 56, NO. 4, APRIL 2008, pp. 1078-1084 April 2008.  
 
     J. Holis, P. Pechac, "Penetration Loss Measurement and Modeling for HAP Mobile Systems in Urban Environment", EURASIP Journal on Wireless Communications and Networking Volume 2008 (2008), Article ID 543290, doi:10.1155/2008/543290 April 2008.  
 
     J. Holis, P. Pechac, "Provision of 3G Mobile Services in Sparsely Populated Areas Using High Altitude Platforms", RADIOENGINEERING, VOL. 17, NO. 1, APRIL 2008, pp. 43-49. April 2008.  
 
     S. Zvanovec, P. Piksa, M. Mazanek, and P. Pechac, "A Study of Gas and Rain Propagation Effects at 48&#8201,GHz for HAP Scenarios", EURASIP Journal on Wireless Communications and Networking, vol. 2008, Article ID 734216, 7 pages, 2008. doi:10.1155/2008/734216 April 2008.  
 
     A. Boch, F. Daneshgaran, M. Laddomada, and M. Mondin, "Advanced Channel Coding Solutions for the Provision of Broadband Services from HAPs within the CAPANINA Project", Aerospace and Electronic Systems Magazine, IEEE Volume 22, Issue 9, Part 1, Sept. 2007 Page(s):C-7 - C-16 September 2007.  
 
     Emanuela Falletti, Massimiliano Laddomada, Marina Mondin, and Fabrizio Sellone, "Integrated Services from High Altitude Platforms: a Flexible Communication System", IEEE Communications Magazine, No.2, pp.124-133, February 2006. February 2006.  
 
     Fabio Dovis, Roberto Fantini, Marina Mondin, and Patrizia Savi, "Small-Scale Fading for High-Altitude Platform (HAP) Propagation Channels", IEEE Journal on Selected Areas in Communications, Vol.20, No.3, pp.641-647, Apr. 2002 April 2002.  
 
     Marina Mondin, Fabio Dovis, and Paolo Mulassano, "On The Use of HALE Platforms as GSM Base Stations", IEEE Personal Communications, Vol.8, No.2, pp.37-44, April 2001 April 2001.  
 
     J. Holis, P. Pechac, "Coexistence of Terrestrial and HAP 3G Networks during Disaster Scenarios", RADIOENGINEERING, VOL. 17, NO. 4, Part II, pp. 1-7. December 2008.  
 

Letters.

     P. Likitthanasate, D. Grace, P.D. Mitchell, "Coexistence performance of high altitude platform and terrestrial systems sharing a common downlink WiMAX frequency band", Electronics Letters,Vol. 41, No. 15, pp. 858-60 July 2005.  
 
     C.L. Spillard, D. Grace, J. Thornton and T.C. Tozer, "Effect of ground station antenna beamwidth on rain scatter interference in high-altitude platform links", Electronics Letters, Vol. 38, No 20, pp. 1211-3 September 2002.  
 

Book chapters.

     Wojciech J. Krzysztofik, ""Printed Multiband Fractal Antennas", Chapter 4", David A. Sanchez-Hernandez (ed.), "Multiband Integrated Antennas for 4G Terminals",ARTECH HOUSE,INC., ISBN-13: 978-1-59693-331-6,Boston / London, 2008 August 2008.  
 

Conference papers.

     C. E. Palazzi, C. Roseti, M. Luglio, M. Gerla, M. Y. Sanadidi, J. Stepanek, "Satellite coverage in urban areas using Unmanned Airborne Vehicles (UAVs) ", IEEE 59th Vehicular Technology Conference, 2004, Milan, Italy, 17-19 May 2004, vol. 5, pp. 2886 - 2890. May 2004.  
 
     Cesare Roseti, Giorgos Theodoridis, Michele Luglio, Niovi Pavlidou, "TCP driven CAC scheme for HAPS and satellite integrated scenario", WHAPS 2005, Athens, September 5th 2005 September 2005.  
 
     J.Thornton, "Scanning Ka-band Vehicular Lens Antennas for Satellite and High Altitude Platform Communications", 11th European Wireless Conference, Nicosia, 10-13 April 2005 April 2005.  
 
     J. Thornton, "Properties of Spherical Lens Antennas for High Altitude Platform Communications", 6th European Workshop on Mobile/Personal Satcoms & 2nd Advanced Satellite Mobile Systems (EMPS & ASMS). 21-22 September 2004 ESTEC, European Space Agency September 2004.  
 
     J. Thornton, T. Tozer, "Adaptation of ITU Recommended Antenna Pattern for Prediction of Multi-Cell Co-Channel Interference in High Altitude Platform Communications in the 47/48 GHz Band", The Seventh International Symposium on WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS (WPMC) 2004, Abano Terme, Italy, 12-15 September 2004 September 2004.  
 
     D. Grace, C. Spillard, T.C. Tozer, "High Altitude Platform Resource Management Strategies with improved Connection Admission Control", Wireless Personal Mobile Conference 2003 October 2003.  
 
     Y. Liu, D. Grace, P.D. Mitchell, "Interference Based Radio Resource Management for Configurations of Multiple HAPs", Wireless Personal Multimedia Communications (WPMC)’04 September 2004.  
 
     Z. Yang, D. Grace, P.D. Mitchell, "Downlink Performance of WiMAX Broadband from High Altitude Platform and Terrestrial Deployments sharing a common 3.5GHz band", IST Mobile and Wireless Summit June 2005.  
 
     Z. Yang, D. Grace, P.D. Mitchell, "Coexistence Performance of WiMAX in HAP and Multiple-Operator Terrestrial Deployments in Shared Frequency Bands", Wireless Personal Multimedia Communications (WPMC'05) September 2005.  
 
     Y. Zhang, D. Grace, G.P. White, "Exploiting Multiple HAP Constellations in frequency bands below 11GHz", Wireless Personal Multimedia Communications (WPMC)’05 September 2005.  
 
     Y. Liu, D. Grace and P.D. Mitchell, "Bandwidth Broker based Architecture for a Multi-HAP System with Overlapping Coverage Area", 1st Workshop on High Altitude Platforms (WHAPS) September 2005.  
 
     K. Katzis, D. Grace, D.A.J. Pearce, "Impact of High Altitude Platform Movements on Cellular Handover", 1st Workshop on High Altitude Platforms (WHAPS) September 2005.  
 
     P. Likitthansate, D. Grace, P.D. Mitchell, "Dynamic spectrum sharing for High Altitude Platform and terrestrial WiMAX systems sharing a common downlink frequency band", 1st Workshop on High Altitude Platforms (WHAPS) September 2005.  
 
     K. Akalestos, T.C. Tozer, D. Grace, "Emergency Communications from High Altitude Platforms", 1st Workshop on High Altitude Platforms (WHAPS) September 2005.  
 
     L. Dong, P.D. Mitchell, D. Grace, "Advanced On-board Buffering for Outage Mitigation in Broadband Service Delivery to Trains from High Altitude Platforms", 1st Workshop on High Altitude Platforms (WHAPS) September 2005.  
 
     Markus Knapek, Joachim Horwath, Nicolas Perlot, Karl Zettl, Dirk Giggenbach, "Transportable Optical Ground Station for Free-Space Laser Communications", 3rd Advanced Satellite Mobile Systems Conference (ASMS 2006), Herrsching, May 2006. May 2006.  
 
     Harsha Prahlad, Roy Kornbluh, Ron Pelrine, Scott Stanford, Joseph Eckerle, Seajin Oh, "Polymer Power: Dielectric Elastomers and Their Applications in Distributed Actuation and Power Generation", Proceedings of ISSS 2005 International Conference on Smart Materials Structures and Systems, Bangalore, India July 2005.  
 
     V. Kvicera, M. Grabner, O. Fiser, "Hydrometeor attenuation distributions at 58 GHz and 93 GHz obtained on an 850 m path", Proc. of the Fourth IASTED International Conference on Antennas, Radar, and Wave Propagation, Montreal, Canada, 2007, pp. 164-169. ISBN 978-0-88986-661-4 May 2007.  
 
     V. Kvicera, M. Grabner, "Attenuation due to hydrometeors at 93 GHz on an 850m path – first results", Proc. of the 8th MINT-MIS2007, Seoul, Korea, pp. 223-226, 2007. February 2007.  
 
     M. Grabner, V. Kvicera, "Clear-air propagation simulations for HAPS using radiosonde data", Proc. of EuCAP 2007, Nopvember 2007, Edinburgh, UK November 2007.  
 
     V. Kvicera, M. Grabner, O. Fiser, "Path diversity characteristics on two nearly perpendicular mm wave paths", Proc. of EuCAP 2007, November 2007, Edinburgh, UK November 2007.  
 
     V. Kvicera, M. Grabner, "Processing radiometeorological data for terrestrial electromagnetic wave propagation above 10 GHz", Proc. of the Third IASTED International Conference on Antennas, Radar, and Wave Propagation, Banff, Canada, 2006, pp. 44-49. September 2007.  
 
     V. Kvicera, M. Grabner, O. Fiser, "Influence of visibility on availability of free space optical link", Proc. of the Sixth IASTED International Multi-Conference on Wireless and Optical Communications, Banff, Canada, 2006, pp. 291-296. September 2007.  
 
     V. Kvicera, M. Grabner, "Attenuation due to hydrometeors at 58 GHz on 850 m path", Proc. of European Conference on Antennas and Propagation 2006, [CD ROM], Nice, France, 2006. September 2007.  
 
     V. Kvicera, M. Grabner, "Comparison of Availability Performances of Simulated 850 nm/58 GHz and 850 nm/93 GHz Hybrid Systems", Proc. of the 2007 Summer Simulation Multiconference (SPECTS 2007), San Diego, CA, USA, 2007. September 2007.  
 
     V. Kvicera, M. Grabner, O. Fiser, P. Pechac, O. Wilfert, "Electromagnetic Wave Propagation Research on Terrestrial Paths over 1 GHz in the Czech Republic – state of the art", Proc. of the 12th MICROCOLL, Budapest, Hungary, pp. 103-108, May 14-16, 2007 September 2007.  
 
     N. Wyrsch, (several), "ULTRA-LIGHT AMORPHOUS SILICON CELL FOR SPACE APPLICATIONS", 4th World Conference and Exhibition on Photovoltaic Solar Energy Conversion, May 2006, Waikoloa, Hawaii May 2006.  
 
     N. Wyrsch, (several), "ULTRA-LIGHT AMORPHOUS SILICON CELL FOR SPACE APPLICATIONS", 4th World Conference and Exhibition on Photovoltaic Solar Energy Conversion, May 2006, Waikoloa, Hawaii May 2006.  
 
     Claude Oestges, "Impact of Tropospheric Depolarization on the
Performance of Dual-Polarized High-Altitude
Platform Systems", 67th IEEE Semi-annual Vehicular Technology Conference Spring, VTC-Spring ‘07 May 2008.  
 
     Simone Quaglieri, Mauro De Sanctis, Ernestina Cianca, Marina Ruggieri, Marina Mondin, "Performance and Energy Efficiency of Hybrid ARQ Over Ground-HAP Links", Aerospace Conference, 2005 IEEE 5-12 March 2005 Page(s):1313 - 1321 March 2005.  
 
     Fabio Dovis, Roberto Fantini, Marina Mondin, Patrizia Savi, "4G Communications Based on High Altitude Stratospheric Platforms: Channel Modeling and Performance Evaluation", Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE Volume 1, 25-29 Nov. 2001 Page(s):557 - 561 vol.1
November 2001.  
 
     Tero Isotalo, Panu Lähdekorpi, Javier Cazorla, Jukka Lempiäinen, "Impact Of Antenna Configuration On UMTS Performance In High Altitude Platforms", Proc. 18th IEEE Annual International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2007), Athens, September 2007. September 2007.  
 

Other publication.

     L. Jamison, G.S. Sommer, I.R. Porche III, "High-Altitude Airships for the Future Force Army", Technical Report 234, RAND Arroyo Center January 2005.  
 
     C.R. Luffman, "Aspects to consider for a Lighter-than-air High Altitude Platform Development in Europe", Publication of LTA Solutions, Germany November 2005.  
 
     C.R. Luffman, "Lighter-Than-Air High Altitude Platform Feasibility Study", Publication of LTA Solutions, Germany May 2004.  
 
     C.R. Luffman, "AeroRaft™ - A Brief Insight", Publication of LTA Solutions, Germany March 2005.  
 
     Kevin Reed, "Market Potential of CP1/a-Si:H Thin Film Solar Cells for Space and HAA Applications", January 2006.  
 
     Anthony Colozza, "Solid State Aircraft", Presentation at NIAC 6th Annual Meeting October 19-20, 2004, Seattle, Washington. October 2004.  
 
     Various, "Exploiting Research Through Standardization - a best practice guide", Maxiquest-Norm Project Publication September 2003.  
 
     Kevin Reed, Harvey Willenberg, "Early Commercial Demonstration of Space Solar Power using Ultra-lightweight arrays", 58th International Astronautical Congrees, Hyderabad, India, 25 Sept 2007 September 2007.  
 
     Kevin Reed, Harvey Willenberg, "Early commercial demonstration of space solar power using ultra-lightweight arrays (paper)", 58th International Astronautical Congress
Hyderabad, India
25 September 2007
September 2007.  
 
     Marco Francesco Urso, Shlomi Arnon, Marina Mondin, Emanuela Falletti, Fabrizio Sellone, "Wireless Sensor Networks for HAP Communications", HAPCOS Workshop, Friedrichshafen, Germany, 8-10 October, 2008. October 2008.