National Autonomy in the use of spectrum in the UK – Part 1 Technical options Final report to Ofcom March 2004 Contributors: Chris Davis John Berry Nick Kirkman Charles Chambers Quotient Associates Limited ATDI Limited PO Box 716 15 Kingsland Court Comberton Three Bridges Road, Crawley Cambridge, CB3 7UW West Sussex, RH10 1HL E-mail: [email protected] E-mail: [email protected] Web: www.QuotientAssociates.com Web: www.atdi.co.uk National Autonomy – Technical options Contents CONTENTS Page 1. Introduction .........................................................................................................1 1.1 Project objectives....................................................................................1 1.2 Our approach ..........................................................................................1 1.3 Technical options ....................................................................................3 2. Development of scenarios ..................................................................................4 2.1 Initial ideas ..............................................................................................4 2.2 Selection of scenarios.............................................................................5 2.3 The Workshop.........................................................................................6 3. Broadcasting on Public Correspondence channels ............................................9 3.1 Objective .................................................................................................9 3.2 Background.............................................................................................9 3.3 The scenario ...........................................................................................9 3.4 Results ..................................................................................................11 3.5 Conclusions ..........................................................................................11 3.6 Tentative assertions..............................................................................12 4. VHF sound broadcasting in the 68 - 88 MHz band ...........................................13 4.1 Objective ...............................................................................................13 4.2 Background...........................................................................................13 4.3 The scenario .........................................................................................13 4.4 Results ..................................................................................................15 4.5 Conclusion ............................................................................................18 4.6 Tentative assertions..............................................................................18 5. Wide band PMR in Band III...............................................................................19 5.1 Objective ...............................................................................................19 5.2 Background...........................................................................................19 5.3 The scenario .........................................................................................20 5.4 Results ..................................................................................................21 5.5 Conclusion ............................................................................................23 5.6 Tentative assertions..............................................................................23 6. Unrestricted wide band PMR at 450 - 470 MHz................................................24 6.1 Objective ...............................................................................................24 6.2 Background...........................................................................................24 6.3 The scenario .........................................................................................25 6.4 Results ..................................................................................................26 6.5 Tentative assertions..............................................................................29 7. UTRA TDD in spare DVB-T channels...............................................................30 Quotient/report/qa0292 i © 2004. Hard copies or higher resolution versions of the documents are available on application to the Ofcom Contact Centre, Riverside House, 2a Southwark Bridge Road, London SE1 9HA. National Autonomy – Technical options Contents CONTENTS Page 7.1 Objective ...............................................................................................30 7.2 Background...........................................................................................30 7.3 The scenario .........................................................................................31 7.4 Results ..................................................................................................32 7.5 Tentative assertions..............................................................................35 8. Fixed wireless access in the 900 MHz TETRA band ........................................36 8.1 Objective ...............................................................................................36 8.2 Background...........................................................................................36 8.3 The scenario .........................................................................................36 8.4 Results ..................................................................................................37 8.5 Conclusion ............................................................................................39 8.6 Tentative assertions..............................................................................40 9. Refarming of GSM spectrum to UTRA..............................................................41 9.1 Objective ...............................................................................................41 9.2 Background...........................................................................................41 9.3 The scenario .........................................................................................42 9.4 Results ..................................................................................................43 9.5 Conclusions ..........................................................................................49 9.6 Tentative assertions..............................................................................49 10. Terrestrial DAB local radio at 1800 MHz...........................................................50 10.1 Objective ...............................................................................................50 10.2 Background...........................................................................................50 10.3 The scenario .........................................................................................50 10.4 Results ..................................................................................................51 10.5 Conclusion ............................................................................................54 10.6 Tentative assertions..............................................................................55 11. Part of the 1800 MHz band re-allocated to Fixed Links ....................................56 11.1 Objective ...............................................................................................56 11.2 Background...........................................................................................56 11.3 The scenario .........................................................................................56 11.4 Results ..................................................................................................57 11.5 Conclusion ............................................................................................61 11.6 Tentative assertions..............................................................................61 12. Portable wireless DSL in the 2010 to 2025 MHz band......................................62 12.1 Objective ...............................................................................................62 12.2 Background...........................................................................................62 12.3 The scenario .........................................................................................63 12.4 Results ..................................................................................................64 Quotient/report/qa0292 ii © 2004. Hard copies or higher resolution versions of the documents are available on application to the Ofcom Contact Centre, Riverside House, 2a Southwark Bridge Road, London SE1 9HA. National Autonomy – Technical options Contents CONTENTS Page 12.5 Coordination with fixed links in France .................................................67 12.6 Conclusion ............................................................................................67 12.7 Tentative assertions..............................................................................68 13. Fixed links in the 2.7 - 2.9 GHz Aeronautical band...........................................69 13.1 Objective ...............................................................................................69