Publications
TV White Space Broadband for Rural Communities Using Solar Powered High Altitude Platform and Terrestrial Infrastructures
This white paper introduces the delivery of low cost, high availability wireless communications for tropical rural areas, from a meshed network of limited availability high altitude platform (HAP) and terrestrial wireless links and infrastructure.
Jialu Lun, David Grace, Nils Morozs, Paul Mitchell, Yi Chu, Abimbola Fisusi, Olusegun Awe and Ray E Sheriff, TV White Space Broadband for Rural Communities Using Solar Powered High Altitude Platform and Terrestrial Infrastructures (PDF 
, 936kb)
Broadband Communications via High-Altitude Platforms
A thorough overview and state of the art of the HAP enabling technologies, as well as describing research activities with the most promising results. It outlines the roadmap for future development of HAPs.
David Grace and Mihael Mohorčič, Broadband Communications via High Altitude Platforms, John Wiley and Sons, Hardcover 398 pages, ISBN: 978-0-470-69445-9, October 2010
Contact us
David Grace, Director
Director, Centre for High Altitude Platform Applications
Related links
The CAPANINA project is developing low-cost broadband using HAP technology:
Selected journal articles
2017
Harris, N.R., L.J. Carpenter, J.D. Lee, G. Vaughan, M.T. Filus, R.L. Jones, B. OuYang, J.A. Pyle, A.D. Robinson, S.J. Andrews, A.C. Lewis, J. Minaeian, A. Vaughan, J.R. Dorsey, M.W. Gallagher, M. Le Breton, R. Newton, C.J. Percival, H.M. Ricketts, S.J. Bauguitte, G.J. Nott, A. Wellpott, M.J. Ashfold, J. Flemming, R. Butler, P.I. Palmer, P.H. Kaye, C. Stopford, C. Chemel, H. Boesch, N. Humpage, A. Vick, A.R. MacKenzie, R. Hyde, P. Angelov, E. Meneguz, and A.J. Manning, 2017: Coordinated Airborne Studies in the Tropics (CAST). Bull. Amer. Meteor. Soc., 98, 145–162, https://doi.org/10.1175/BAMS-D-14-00290.1
Pan, L.L., E.L. Atlas, R.J. Salawitch, S.B. Honomichl, J.F. Bresch, W.J. Randel, E.C. Apel, R.S. Hornbrook, A.J. Weinheimer, D.C. Anderson, S.J. Andrews, S. Baidar, S.P. Beaton, T.L. Campos, L.J. Carpenter, D. Chen, B. Dix, V. Donets, S.R. Hall, T.F. Hanisco, C.R. Homeyer, L.G. Huey, J.B. Jensen, L. Kaser, D.E. Kinnison, T.K. Koenig, J. Lamarque, C. Liu, J. Luo, Z.J. Luo, D.D. Montzka, J.M. Nicely, R.B. Pierce, D.D. Riemer, T. Robinson, P. Romashkin, A. Saiz-Lopez, S. Schauffler, O. Shieh, M.H. Stell, K. Ullmann, G. Vaughan, R. Volkamer, and G. Wolfe, 2017: The Convective Transport of Active Species in the Tropics (CONTRAST) Experiment. Bull. Amer. Meteor. Soc., 98, 106–128, https://doi.org/10.1175/BAMS-D-14-00272.1
2016
Andrews, S. J., Carpenter, L. J., Apel, E. C., Atlas, E., Donets, V., Hopkins, J. R., Hornbrook, R. S., Lewis, A. C., Lidster, R. T., Lueb, R., Minaeian, J., Navarro, M., Punjabi, S., Riemer, D., and Schauffler, S.: A comparison of very short lived halocarbon (VSLS) and DMS aircraft measurements in the tropical west Pacific from CAST, ATTREX and CONTRAST, Atmos. Meas. Tech., 9, 5213-5225, https://doi.org/10.5194/amt-9-5213-2016, 2016.
2016
N. Morozs, T. Clarke, D. Grace, Cognitive Spectrum Management in Dynamic Cellular Environments: A Case-Based Q-Learning Approach, Engineering Applications of Artificial Intelligence, Vol. 55, October 2016, pp. 239-249, doi: 10.1016/j.engappai.2016.07.002
C. Sathyanarayanan, K. Gomez, A. Al-Hourani, K. Sithamparanathan, T. Rasheed, L. Goratti, L. Reynaud, D. Grace, I. Bucaille, T. Wirth, S. Allsop, Designing and Implementing Future Aerial Communication Networks, IEEE Comms. Mag., Vol. 54, Iss. 5, pp. 26-34, May 2016, doi: 10.1109/MCOM.2016.7470932
K. Gomez, K. Sithamparanathan, M. Vidal, V. Boussemart, R. Ramos, R. Hermenier, T. Rasheed, L. Goratti, L. Reynaud, D. Grace, Q. Zhao, Y. Han, S. Rehan, N. Morozs, T. Jiang, I. Bucaille, P. Charpentier, R. Campo, T. Wirth, R. Campo, T. Javornik, Aerial Base Stations with Opportunistic Links for next Generation Emergency Communications, IEEE Comms. Mag., April 2016, pp. 31-39, doi: 10.1109/MCOM.2016.7452263
2015
N. Morozs, T. Clarke, D. Grace, Heuristically Accelerated Reinforcement Learning for Dynamic Secondary Spectrum Sharing, IEEE Access, December 2015, doi: 10.1109/ACCESS.2015.2507158
N. Morozs, T. Clarke, D. Grace, Distributed Heuristically Accelerated Q-Learning for Robust Cognitive Spectrum Management in LTE Cellular Systems, IEEE Trans Mobile Computing, Published online 17 June 2015, doi: 10.1109/TMC.2015.2442529
2011
S. Li, D. Grace, Y. Liu, J. Wei, D. Ma, Overlap Area Assisted Connection Admission Control Scheme for High Altitude Platform-based Communications Systems, IEEE Trans. Aerospace and Electronic Systems, Vol. 47, No 4, pp. 2911 – 2920, October 2011, doi: 10.1109/TAES.2011.6034673
S. Li, D. Grace J. Wei, Inter-HAP Handoff Analysis for Multi-Cell Short Endurance HAP Communications Systems, Int. J. Satellite Communications and Networking, Vol. 29, Issue 4, pp.367-81, July/August 2011
2010
D. Kedar, D. Grace, S. Arnon, Laser Nonlinearity Effects on Hybrid Millimeter-wave/Optical Broadband Backhaul Communication Links for a Multiple High Altitude Platform Architecture, IEEE Trans. Aerospace and Electronic Systems, Vol. 46, Iss. 4, pp. 1797-1804, October 2010, doi: 10.1109/TAES.2010.5595595
J. Holis, D. Grace, P. Pechac, The Effect of Antenna Power Roll-Off on the Performance of 3G Cellular Systems from High Altitude Platforms, IEEE Trans. Aerospace and Electronics Systems, Volume 46, Issue 3, July 2010, doi: 10.1109/TAES.2010.5545201
K. Katzis, D. Grace, Inter-High Altitude Platform Handoff for Communications Systems with Directional Antennas, URSI Radio Science Bulletin – HAPs Special Issue, June 2010
D. Grace, K. Katzis, D.A.J. Pearce, P.D. Mitchell, Low-Latency MAC-Layer Handoff for a High Altitude Platform delivering Broadband Communications, URSI Radio Science Bulletin – HAPs Special Issue, pp. 39-50, March 2010
P.D. Mitchell, J. Qiu, H. Li, D. Grace, Use of Aerial Platforms for Energy Efficient Medium Access Control in Wireless Sensor Networks, Computer Communications, Vol. 33, Issue 4, pp. 500-12, March 2010
2009
J. Gavan, S. Tapuchi, D. Grace, Concepts and Main Applications of High Altitude Platform Relays, URSI Radio Science Bulletin, No. 330, pp. 20 – 31, September 2009 (invited)
Y. Liu, D. Grace, P. D. Mitchell, Exploiting platform diversity for GoSimprovement for users with different high altitude platform availability, IEEE Trans. Wireless Communications, Vol 8, No. 1, pp.196-203, January 2009.
2008
P. Likitthanasate, D. Grace, P.D. Mitchell, Spectrum Etiquettes for Terrestrial and High Altitude Platform based Cognitive Radio Systems with Directional User Antennas, IET Communications - Special Issue on Cognitive Spectrum Access, Vol. 2, No. 6, pp. 846-55, July 2008
T. Hult, A. Mohammed, Z. Yang, D. Grace, Performance of a Multiple HAPSystem Employing Multiple Polarization, Int. J. Wireless Personal Communications, (Invited), June 2008.
2007
G. Chen, D. Grace, T.C. Tozer, Evaluation of the Effects of User Antenna Pointing Error in Multiple High Altitude Platform Systems, IET Communications, Vol. 1 No. 3, June 2007, pp. 424-9.
D.A.J. Pearce and D. Grace, Optimum Antenna Configurations for High-Altitude Platforms, IET Communications, Vol. 1 No. 3, June 2007, pp. 359-64.
2006
E. Falletti, F. Sellone, C.L. Spillard, D. Grace, A Transmit and Receive Multi-Antenna Channel Model and Simulator for Communications from High Altitude Platforms, Int. J. Wireless Information Networks, Vol. 13 No. 1, January 2006, pp. 59-75.
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, October 2005, pp. 98-105.
J. Thornton and D. Grace, Effect of Lateral Displacement of a High Altitude Platform on Cellular Interference and Handover, IEEE Trans. Wireless Communications, Vol. 4 No. 4, July 2005, pp. 1483-90.
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 Trans. Wireless Communications, Vol. 4 No. 2, March 2005, pp. 700-9.
M. H. Capstick and D. Grace, High Altitude Platform mm-wave Aperture Antenna Steering Solutions, Int. J. Wireless Personal Communications, Vol. 32 No. 3, February 2005, pp. 215-36.
2004
J. Thornton and D. Grace, Effect of Antenna Aperture Field on Co-Channel Interference, Capacity and Payload Mass in High Altitude Platform Communications. also "Paper of the Year 2004, ETRI Journal", ETRI Journal, Vol. 26 No. 5, October 2004, pp. 467 - 474.
2003
J. Thornton, D. Grace, M. H. Capstick, T. C. Tozer., Optimising an Array of Antennas for Cellular Coverage from a High Altitude Platform, IEEE Trans. Wireless Communications, Vol. 2 No. 3, May 2003, pp. 484-492.
E. Falletti, M. Mondin, F. Dovis and D. Grace, Integration of a HAP within a Terrestrial UMTS network: interference analysis and cell dimensioning, Int. J. Wireless Personal Communications, Vol. 24 No. 2, February 2003.
2002
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, Vol. 149 No. 2, April 2002, pp. 124-128.
2001
D. Grace, N. E. Daly, T. C. Tozer, A. G. Burr, and D. A. J. Pearce, Providing Multimedia Communications Services from High Altitude Platforms, International Journal of Satellite Communications, Vol. 19 No. 19, November 2001, pp. 559-580.
J. Thornton, D. Grace, C. Spillard, T. Konefal and T. C. Tozer, Broadband Communications from a High-Altitude Platform: The European HeliNet Programme, Electronics & Communications Engineering Journal (ECEJ), Vol. No. 3, June 2001, pp. 138-144.
T. C. Tozer and D. Grace, High-Altitude Platforms for Wireless Communications, Electronics & Communications Engineering Journal (ECEJ), Vol. 13 No. 3, June 2001, pp. 127-137.
Contact us
David Grace, Director
Director, Centre for High Altitude Platform Applications
Related links
The CAPANINA project is developing low-cost broadband using HAP technology: