Journals, Letters and Invited Papers
Y Liu, D Grace, P D Mitchell, Exploiting Platform Diversity for
GoS Improvement for Users with Different High Altitude Platform
Availability, IEEE Transactions on Wireless Communications,
Accepted 14th April 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, Accepted 28 Feb 2008
G Chen, D Grace, T C Tozer, Evaluation of the Effects of User
Antenna Pointing Error in Multiple High Altitude Platform Systems,
IET Communications, Volume 1, Issue 3, pp. 424-9, June 2007
D A J Pearce and D Grace, Optimum Antenna Configurations for
High-Altitude Platforms, IET Communications, Volume 1, Issue 3,
pp. 359-64, June 2007
D Grace and P Likitthanasate, A Business Modelling Approach for
Broadband Services from High Altitude Platforms, Invited Paper to
International Conference on Telecommunications (ICT'06), Madeira, Portugal,
May 2006
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
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
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
J Thornton and D 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.
D Grace, J Thornton, G Chen, G P White, T C Tozer, Improving
System Capacity of Broadband Services Using Multiple High Altitude
Platforms, IEEE Transactions on Wireless Communications, vol 4, No 2, pp. 700-9, March 2005
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
D Grace, M Mohorcic, M Oodo, J Horwath, M H Capstick, M Bobbio
Pallavicini, M Lalovic, An Overview of the European CAPANINA
Project – Broadband for All from High Altitude Platforms,
Invited paper for 5th Stratospheric Platforms Systems Workshop, Tokyo,
Japan, February 2005
J Thornton, D Grace, K Katzis, M Oodo, D A J Pearce, T C Tozer, Effect
of Antenna Beam Pattern and Layout on Cellular Performance in High
Altitude Platform Communications, Invited Paper to International
Journal of Wireless Personal Communications, Vol. 35 No. 1-2, October
2005, pp.35-51 October 2005
D Grace, M Mohorcic, J Horwath, M H Capstick, M Bobbio Pallavicini, M
Fitch, Communications from Aerial Platform Networks delivering
Broadband for All – An Overview of the CAPANINA Project,
Invited Paper for Korean Workshop on HAPs, November 2004.
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 (040604-01), Vol. 32, No. 3-4, pp. 275 –299 February 2005.
M H Capstick and 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.
J Thornton and D Grace, Effect of Antenna Aperture Field on
Co-Channel Interference, Capacity and Payload Mass in High Altitude
Platform Communications, ETRI Journal, vol. 26, no. 5, pp.
467-474, October 2004.
M Mohorcic, G Kandus, and D Grace, Provision of Fixed Broadband
Wireless Access Over Stratospheric Platforms, Slovene
Telecommunications Review, Elektrotehniški vestnik / Electrotechnical
Review, vol. 71, no. 3, pp. 89-95, Ljubljana, Slovenija, 2004.
T. C. Tozer, Communications from High Altitude Platforms –
Challenges and Opportunities, Invited paper for the Wireless
Personal Multimedia Communications Conference (WPMC), Yokosuka, Japan,
October 2003.
T. C. Tozer, Broadband Communications from Aerial Platforms,
Invited paper for UAVNET Civil Applications Symposium, Paris, France, June
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 Transactions on Wireless Communications, vol. 2, no.
3, pp. 484-92, May 2003
E. Falletti, M. Mondin, F. Dovis and D. Grace, Integration of a HAP within a Terrestrial UMTS network:
interference analysis and cell dimensioning, International
Journal on Wireless Personal Communications - Special Issue on Broadband
Mobile Terrestrial-Satellite Integrated Systems, vol. 24, no 2, February
2003.
D. Grace, J. Thornton, G. P. White, C. L. Spillard, D. A. J. Pearce
et al, The European HeliNet Broadband Communications Application -
An Update on Progress, Japanese Stratospheric Platforms Systems
Workshop, (Invited Paper), February 2003.
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, 26th September 2002, pp 1211-1213
T. Konefal, C. Spillard, and D. Grace, Site diversity for High Altitude Platforms: A method for the
prediction of joint site attenuation statistics, IEE
Proceedings, Microwave Antennas and Propagation, April 2002.
J. Thornton, Dimensioning a Retro-Directive Array for
Communications vi a Stratospheric Platform, ETRI Journal, Vol. 24,
No. 2, pp. 153-160, April 2002
T C Tozer, Broadband Communications from Aerial Platforms,
Proc. UAVNET 2002, Capua, Italy, 11-12 February 2002 (Invited conference
presentation)
T. C. Tozer and D. Grace, HeliNet
- The European Solar-Powered HAP Project, UVS Tech 2001, Euro
UVS, Brussels, Belgium, December 2001 (Invited Paper)
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
2001, No 19, pp.559-580, November 2001
D. Grace, J. Thornton, T. Konefal, C. Spillard, and T.C. Tozer, Broadband
Communications from High Altitude Platforms - The HeliNet Solution, Wireless Personal Mobile Conference, Aalborg, Denmark,
September 2001 (Invited Paper)
T.C. Tozer and D. Grace, High Altitude Platforms for Wireless
Communications, IEE Electronics and
Communications Engineering Journal, Vol. 13, No. 3, pp. 127-37, June 2001
J. Thornton, D. Grace, C. Spillard, T. Konefal, T.C. Tozer, Broadband
Communications from High Altitude Platforms, IEE
Electronics and Communications Engineering Journal, Vol 13, No. 3, pp. 138-144, June 2001
T.C. Tozer, D. Grace, High Altitude Platforms - The future for Broadband
Communications, Communicate 2000 Online Conference, October 2000 (Invited
Paper)
D. Grace, T. C. Tozer, N.E. Daly, Communications from High Altitude
Platforms - A European Perspective, 2nd Stratospheric Platforms System
Workshop, Tokyo, Japan, September 2000 (Invited Paper)
J. Bandera, A. D. Papatsoris, P. A. Watson, T. C. Tozer, J. Tan and J. W. Goddard, Vertical
path reduction factor for high elevation communication systems, Electronics
Letters, Vol. 35, No. 18, pp. 1584-5 September 1999.
J. Bandera, A. D. Papatsoris, P. A. Watson, T. C. Tozer, J. Tan and J. W. Goddard, Vertical
variation of reflectivity and specific attenuation in stratiform and convective
rainstorms, Electronics Letters, 35(7): 599 - 600, 1 Apr 1999.
Conference Papers
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 Likitthanasate, 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.
D Grace, M Mohorcic, M Oodo, M H Capstick, M Bobbio Pallavicini, M
Lalovic, CAPANINA – Communications from Aerial Platform Networks
Delivering Broadband Information for All, IST Mobile and
Wireless Summit 2005, June 2005
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
2005, June 2005
C L Spillard, P D Mitchell, D Grace, T C Tozer, The
effectiveness of link outage tolerance as a Fade Mitigation Technique,
European Wireless 2005, Cyprus, April 2005
G Chen, D Grace, and T C Tozer, Controlling the Capacity and
QoS of Multiple HAP Configurations, Wireless Personal Multimedia
Communications Conference (WPMC), Abano Terme, Italy, September 2004.
K Katzis, D A J Pearce, and D Grace, Fairness in Channel
Allocation in a High Altitude Platform Communication System exploiting
Cellular Overlap, Wireless Personal Multimedia Communications
Conference (WPMC), Abano Terme, Italy, September 2004.
Y Liu, D Grace, and P D Mitchell, Interference Based Radio
Resource Management for Configurations of Multiple HAPs,
Wireless Personal Multimedia Communications Conference (WPMC), Abano
Terme, Italy, September 2004.
Y Lu, D Grace, P D Mitchell, and D A J Pearce, Performance of
Minimum Impact Routing for Multihop Wireless ad hoc Networks,
Wireless Personal Multimedia Communications Conference (WPMC), Abano
Terme, Italy, September 2004.
P D Mitchell, D Grace, and T C Tozer, Adaptive burst targeted
demand assignment multiple access (BTDAMA) for geostationary satellite
systems, IEEE Personal, Indoor and Mobile Radio Communications
Conference (PIMRC), September 2004.
C L Spillard, B Gremont, D Grace, T C Tozer, The Performance of
High Altitude Platform Networks in Rainy Conditions, AIAA
International Communications Satellite Systems Conference, May 2004
J Horwath, H Henniger, M Knapek and N Perlot, D Grace, D Giggenbach, Optical
communication from HAPs - Overview of the Stratospheric Optical Payload
Experiment (STROPEX), AIAA International Communications
Satellite Systems Conference, May 2004
K Katzis, D A J Pearce, D Grace, Fixed Channel Allocation
Techniques Exploiting Cell Overlap for High Altitude Platforms,
European Wireless 2004, February 2004
C L Spillard, D Grace, J Thornton, GP White and T C Tozer, High
Altitude Platforms at York: HeliNet and Beyond, NEW2AN
Conference in St Petersburg, February 2004
D. Grace, G. Chen, G. P. White, J. Thornton, and T. C. Tozer, Improving
the System Capacity of mm-Wave Broadband Services Using Multiple High
Altitude Platforms, IEEE Global Communications Conference (GLOBECOM),
San Francisco, USA. December 2003.
G. Chen, D. Grace, and T. C. Tozer, Exploiting HAP antenna
directivity in multiple HAP constellations, IEEE Wireless
Personal Multimedia Communications Conference (WPMC), Yokosuka,
Japan. October 2003.
D. Grace, C. Spillard, and T. C. Tozer, High Altitude Platform
Resource Management Strategies with Improved Connection Admission
Control, IEEE Wireless Personal Multimedia Communications
Conference (WPMC), Yokosuka, Japan. October 2003.
M. Pent, T. Tozer, and J.A. Delgado-Penin, HAPs for
telecommunications and surveillance applications, Proc 32nd
European Microwave Conference, Milan, 24-26 Sept, 2002
D. Grace, J. Thornton, G.P. White, T.C. Tozer, Improving spectrum utilisation for broadband services in
the mm-Wave bands using multiple high altitude platforms, IEE Conference - Getting the most out of the Radio
Spectrum, 24-25 October 2002
D. Grace, C. Spillard, J. Thornton, T.C. Tozer, Channel Assignment Strategies for a High Altitude
Platform Spot-Beam Architecture, IEEE
PIMRC 2002, Lisbon, September 2002
J. Thornton, Antenna Technologies for Communications Services from
Stratospheric Platforms, Airship Convention 2002, Cambridge, UK,
28-31 July 2002
J. Thornton, G. White, C. Spillard, T.C. Tozer and D. Grace, Broadband
Communications from The European HeliNet High Altitude Platform - Two Years
On,
Accepted for publication, Airship Convention 2002, Cambridge, UK, 28-31 July
2002
C. Spillard, D. Grace, J. Thornton, G.P. White, M. Mohorcic, E. Falletti
and T.C. Tozer, Broadband Communications from HeliNet High Altitude Platforms,
DASIA, Dublin, Ireland, 13-16
May 2002
C. Spillard, J. Thornton, D. Grace and T.C. Tozer, Calculation
of Interference Levels Due to Rain Scatter on a High-Altitude Platform Link,
IEEE APS/URSI Symposium Boston, 9-13 July 2001
C. Spillard, J. Thornton, D. Grace, and T.C. Tozer, Calculation of
Interference Levels due to Rain Scatter on High-Altitude Platform Links,
ICAP01, Manchester, April 2001
N.E. Daly, T.C. Tozer, D. Grace, and D.A.J. Pearce, Frequency
Re-use from High Altitude Platforms, Proc. Wireless Personal
Multimedia Communications, WPMC 2000, Bangkok, November 2000
N. E. Daly, T. C. Tozer, D. Grace, C.L. Spillard, D. A. J. Pearce, C. Brown, J. Jones, Frequency
Re-use from High Altitude Platforms Using Various Antenna Array Configurations,
IST Mobile Communications Summit, Galway, Ireland, October 2000
D. Grace, T. C. Tozer, N.E. Daly, Communications from High Altitude
Platforms - A Complementary or Disruptive Technology?, IEE Colloquium
"New Access Network Technologies", October 2000
D. Grace, N. E. Daly, T. C. Tozer, D. A. J. Pearce, and A. G. Burr, Communications
Performance of High Altitude Platforms Networks operating in the mm-Wave Bands,
Airship Convention 2000, July 2000
N. E. Daly, D. Grace, T. C. Tozer, D. A. J. Pearce, and A. G. Burr, Prediction
of Frequency Reuse Behaviour for High Altitude Platforms, Airship Convention
2000, July 2000
G. Olmo, T. C. Tozer, and D. Grace, The European HeliNet Project,
Airship Convention 2000, July 2000
T. C. Tozer, D. Grace, J. Thompson, and P. Baynham, UAVs and HAPs - Potential
Convergence for Military Communications, IEE Colloquium on "Military
Satellite Communications", 6th June 2000
D. Grace, N. E. Daly, T. C. Tozer and A. G. Burr, LMDS from High Altitude
Aeronautical Platforms, GLOBECOM 99, Rio de Janeiro, Brazil,
December 1999.
D. Grace, N. E. Daly, T. C. Tozer, and A. G. Burr, LMDS from High Altitude
Aeronautical Platforms, UK URSI Meeting, University of York, March 1999.