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Cognitive Radio: A Broadcaster’s Perspective (RTE) [Johnny Evans]


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Johnny Evans, Head of Frequency Planning in RTÉ Transmission Network Limited presents a brief overview of what cognitive radio means to a national broadcaster as a 'new neighbour' in the UHF bands

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Cognitive Radio: A Broadcaster’s Perspective (RTE) [Johnny Evans]

  1. 1. Cognitive Radio: A Broadcaster’s Perspective July 21 st 2010 [email_address]
  2. 2. ComReg’s innovative approach <ul><li>Early identification of potential of cognitive radio </li></ul><ul><ul><li>2007 document Dynamic Spectrum Access </li></ul></ul><ul><ul><li>2001 Cognitive radio identified along with Software Radio </li></ul></ul><ul><li>Wireless test and trial </li></ul><ul><li>Digital Dividend </li></ul><ul><li>Statement of strategy Consultation 2010 </li></ul><ul><li>Spectrum liberalisation </li></ul>
  3. 3. Cognitive Radio and Broadcasting <ul><li>Cognitive approach is not yet needed/possible for terrestrial broadcasting: </li></ul><ul><ul><li>High powers, high sites </li></ul></ul><ul><ul><li>requires stability </li></ul></ul><ul><ul><li>regulatory certainty </li></ul></ul>
  4. 4. Cognitive Radio and Broadcasting <ul><li>Cognitive technology a good fit for services ancillary to broadcasting: </li></ul><ul><ul><li>Short term use </li></ul></ul><ul><ul><li>Portable/Mobile </li></ul></ul><ul><ul><li>Low Power </li></ul></ul><ul><li>Some of the related technologies could drive innovation in broadcasting: </li></ul><ul><ul><li>Opportunity to integrate broadcast platforms into mobile/portable devices </li></ul></ul><ul><ul><li>Multi-standard broadcast receivers (DAB, DMB, DVB, DVB-T2, etc) </li></ul></ul>
  5. 5. New Neighbours for Broadcasters <ul><li>Broadcasters are naturally worried about their new neighbours in the UHF band: </li></ul><ul><ul><li>Will there be interference? (Co-channel, adjacent channel, blocking) </li></ul></ul><ul><ul><li>Will the interference be transient? </li></ul></ul><ul><ul><li>Will this limit the ability of broadcasting to develop/innovate? </li></ul></ul>
  6. 6. Regulatory Developments <ul><li>Spectrum management – some welcome developments: </li></ul><ul><ul><li>Geolocation database approach should be applied first, ahead of autonomous sensing (CEPT SE43) </li></ul></ul><ul><ul><li>Careful management needed by regulators </li></ul></ul><ul><ul><li>Resource implications </li></ul></ul><ul><ul><li>Further studies/recommendations on cognitive radio (ITU WRC-2012) </li></ul></ul>
  7. 7. Managing Spectrum For Broadcasting <ul><li>Social/Cultural Value of Spectrum – effective spectrum use </li></ul><ul><li>Importance of public service broadcasting </li></ul><ul><li>Further development of terrestrial broadcast services: </li></ul><ul><ul><li>DTT just getting started </li></ul></ul><ul><ul><li>HDTV forthcoming </li></ul></ul><ul><ul><li>3D TV ? (Trials in UK on DTT) </li></ul></ul><ul><ul><li>Digital Text and Interactive services </li></ul></ul><ul><ul><li>Mobile TV </li></ul></ul>
  8. 8. [email_address]