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The Future of Spectrum Allocation Efficiency and Balance

Explore the increasing demand for spectrum allocation and ways to optimize its value in the digital age. Discuss the specifics of broadcast spectrum, consumer demands, and potential technology solutions. Learn about the strengths of current television broadcast spectrum and the transition to digital services. Understand the implications of spectrum re-stacking post-analog closure.

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The Future of Spectrum Allocation Efficiency and Balance

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  1. The Future of Spectrum AllocationEfficiency and Balance Stephen Farrugia Engineering Director

  2. Overview • General Discussion • Demand for Spectrum is increasing • Who wants to use it? • How can we maximise it’s “value”? • Broadcast Spectrum Specifics

  3. Demand from consumers is increasing • More media content • Better quality • When I want it • Anywhere I want it

  4. How to satisfy these demands? • Cable/Fibre • Satellite • Terrestrial

  5. Consumer Score Card Technology Service 0 1

  6. Who wants to use Spectrum? • Community groups • Broadcasters • Telecommunications operators • Internet Service Providers • Government

  7. How can we maximise it’s value? • Make the most of the digital era • Match spectrum to desired purpose • Minimise guard bands

  8. Technology is improving • Processing power • Receiver battery consumption • Displays • Storage

  9. Matching terrestrial spectrum with its best use • Lower frequencies are bandwidth limited but have great wide area propagation • High and Ultra high frequencies provide good point to multi-point coverage at a usable bandwidth • UHF and above incur high obstruction losses so best used for point to point

  10. Minimising guards bands • Application specific • Can be managed by restricting equipment performance

  11. What about the Broadcast Spectrum? • MF • HF • VHF Band 1 • VHF Band 2 (plus 5A) • VHF Band 3 • UHF

  12. What strengths does the current Television Broadcast Spectrum have? • One to many coverage • Portable/mobile coverage • Local content • “Wide-area” coverage

  13. Digital television provides an opportunity • More or higher quality services in the same bandwidth or less bandwidth required • Better frequency management through use of SFNs and adjacent channel use • Allows analog services to switch off as the Australian framework has been implemented as a replacement technology

  14. The “Cliff-effect” Digital Quality PROBLEM Analog Distance

  15. So who’s interested in the current Broadcast Spectrum? • Broadcasters – they want to keep it • Some Telco’s see value in it for 4G • Government sees value in broadening its use • For example the use of Channels A and B

  16. Digital Dividend • Existing assignments versus re-stacking the spectrum

  17. To maximise the value of the spectrum post analog closure, some re-stacking of the spectrum will be required • This will have cost impacts on broadcasters and the general public • Who pays for it? Presumably those who get the benefit, ie Government or the new spectrum owners?

  18. Conclusion • Demand for spectrum is increasing • The use of digital technology provides the opportunity for greater spectrum efficiency

  19. Conclusion • There will be a Digital Dividend after the closure of analog television but beware of the cliff effect • The value of the dividend needs to take into account the costs to incumbent operators and consumers

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