1 Technical Overview David Grace (UOY) First Annual Review, Brussels 10 February 2005

2 Introduction CAPANINA Overview The Scenario Progress on the project objectives The three strand approach Applications and Infrastructure System Testbed High-speed vehicle application Conclusions

3 The CAPANINA Scenario Not to Scale! Up to 120Mbit/s 31/28GHz, (47/48GHz) + optical backhaul & interplatform 17-22km Fixed BFWA particularly for rural locations Moving Train Up to 300km/h WLAN

4 The CAPANINA Consortium €5.6M total, €3.1M EU Contribution 64 people involved Balanced research, development and exploitation activities 1 Overseas collaborator National Institute of Information and Communications Technology of Japan

5 Project Objectives 1 HAP broadband systems, applications, and services. To develop technologies for low-cost broadband from HAPs for hard to reach users Work underway across the project To perform trials of broadband from aerial platforms – e.g. High-speed Internet, VOD Already completed for Trial 1 To construct an outline system design for broadband delivery from HAPs to high-speed vehicle users. Work will be presented in a new Deliverable due month 35 To inform regulatory/standardisation bodies such as the ITU on HAP broadband ITU submission on spectrum sharing scheduled for April FP6 COPRAS helping with setting a roadmap to influence standards bodies

6 Project Objectives 2 Broadband links, networking, and support infrastructure for HAP systems. To assess the mm-wave propagation environment from aerial platform architectures. Use models and data sets from terrestrial and satellite models Basic propagation data from trial 1 To develop multiple HAP constellation strategies, so as to increase capacity/diversity Work underway in WP2.4 To construct an effective resource management methodology for a single HAP system. Work has just commenced at UOY To develop/evaluate HAP network architecture(s) for mm-wave band and free space optical transmission technologies. WP2.5 just started in month 15

7 Project Objectives 3 Broadband communications node technology for HAP systems. To evaluate mm-wave band steerable antenna technology Work well underway in WP3.2 and WP3.3 To develop cutting-edge signal processing technology for mm-wave smart antennas. Work well underway in WP2.3 and WP3.3 To evaluate/test free space optics technology for the eventual delivery of broadband interplatform and backhaul links from aerial platforms. Work well underway in WP3.4, Trial 1 FSO was a complete success

8 Broadband Applications Select applications that are most compelling for HAPs Applications Broadband Internet Access to residential/SOHO market Broadcast based Broadband Special Events and Disaster Recovery broadband connections WiFi on trains and bus-coaches Internet backhauling More Later!

9 HAP Cellular Architecture 60km Backhaul via satellite for remote areas Fibre Network Broadband Services Fibre Network Local Backhaul to Hub for less remote areas

10 Multiple HAP Single Cell Architecture User Group 1 HAP 1 Service area, served by overlapping HAP coverage User Group 2 HAP 2 Same coverage area – same spectrum Increase capacity Incremental deployment

11 ITU – Spectrum Sharing in 31/28GHz Bands European HAPS Model Preliminary Draft Revision to Recommendation (PDRR) More stringent antenna masks Reduced Coverage Area Spectrum sharing studies, including HAPS Ground Station into BFWA Ground Station More Later!

12 System Testbed Undertake trials under a common framework Enables multiple partners to work together efficiently Common measurement criteria Efficient system integration Payloads Broadband Wireless Free Space Optics Test Timetable Aug–Oct 2004Tethered Aerostat, Pershore, UK (August 2004Supplementary Trial: WLAN on trains, UK) Summer 2005Stratospheric Balloon, Kiruna, Sweden 2006High Altitude Platform, Japan/Hawaii, USA

13 Trial 1 – Tethered Platform ‘Pershore, UK’ Trial August-October m tethered aerostat FWA test + applications, Optical comms test

14 Tethered Platform System

15 Trial 2 – Stratospheric Balloon ‘Kiruna, Sweden’ Trial Scheduled for Summer 2005 FSO – Platform - Ground mm-wave Broadband apps Examples of Previous Trials

16 Trial 3 – High Altitude Platform ‘Japanese’ Trial Scheduled for 2006 Planning in Progress Pathfinder Plus HAP Wireless tests (NICT) FSO – platform to ground Attitude Measurements Examples of Previous Trials

17 WLAN The High-Speed Mobile Application 300km/h Up to 120Mbit/s (aggregate) Phased Array, Smart Antenna/Mechatronic Down conversion, signal processing, general processing, on board caching, distribution to carriage WLANs Possible standards: IEEE IEEE HIPERACCESS DVB-S, DVB-RCS DVB-T Possible Services: High speed Internet Video-on-demand Corporate Services

18 High Speed Train - Standard Selection Range of standards have been examined IEEE Family ETSI BRAN – HIPERACCES, HIPERMAN DVB Family No single standard appropriate for high-speed train scenario IEEE802.16SC is the best overall choice Will form the basis for future work COPRAS Project provided assistance

19 Ongoing Propagation Activity Channel Simulator for 31/28GHz Models both short term and long term effects Outages and appropriate mitigation strategies Railway Infrastructure Effect of Tunnels Bridges, Gantries Rain Doppler Shift/Doppler spread Scintillation Are high order modulation schemes affected? Multipath Where is it an issue at 28/31GHz, for data rates in question?

20 Train and HAP Antennas Major Issue - How to cope with movement? HAP station keeping Moving train (or other vehicle) Mechatronic Antennas Smart Antennas

21 Ongoing HAP Smart Antenna Activity 8x8 antenna array Desired user (black dot), 31 interferers (white dots) Capon beamforming to place interferers in nulls

22 Lens Antenna Example For HAP or train use Tests at York

23 Conclusions CAPANINA - ‘Broadband for All’ Hard to reach areas – rural, trains Mix of near term development and long term research Applications and Architectures E.g. high speed internet, broadcast based broadband Single and multiple HAP architectures Trials and Equipment Stepped trials of the technology (UK, Sweden, Hawaii/Okinawa?) Mm-wave band and free space optical technologies High-speed Mobile – Users on a train Standards selection, propagation impairments Smart and steerable antennas

24 Document Properties