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Updates on the 863MHz SRD band and 872MHz Award

IEEE802 Interim Meeting Atlanta 2009. Updates on the 863MHz SRD band and 872MHz Award. Andy Gowans, SPG, Ofcom UK 12th May 2009. Contents. 863 – 872 MHz licence exempt band EC Decision & ECC Recommendation Content New ETSI Harmonised Standard proposals Next steps

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Updates on the 863MHz SRD band and 872MHz Award

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  1. IEEE802 Interim Meeting Atlanta 2009 Updates on the 863MHz SRD band and 872MHz Award Andy Gowans, SPG, Ofcom UK 12th May 2009

  2. Contents • 863 – 872 MHz licence exempt band • EC Decision & ECC Recommendation Content • New ETSI Harmonised Standard proposals • Next steps • Ofcom Consultation on the way forward for the future use of the band 872 - 876 MHz paired with 917 - 921 MHz.

  3. Technical parameters from ECC Recommendation 70 - 03 BAND POWER MITIGATION CHANNEL SPACE NOTES 863-870 MHz 25 mW e.r.p. 0.1% duty cycle or 100 kHz for 47 FHSS LBT(note 1 and 5) or more channels modulation (note 2) (note 3,4 & 6) 25 mW e.r.p. 0.1% duty cycle or No spacing DSSS and (note 6) or LBT (note 1,5 & 6) other wideband PSD:- 4.5 dBm/100kHz modulation not (note 8) FHSS 25 mW e.r.p. 0.1% duty cycle or 100 kHz for 1 or Narrow or LBT (note 1 and 5) more channels wide-band (note 2 and 7) modulation Note 1: For frequency agile devices the duty cycle limit applies to the total transmission unless LBT is used. For LBT devices without frequency agility, the duty cycle limit applies. Note 2: The preferred channel spacing is 100 kHz allowing for a subdivision into 50 kHz or 25 kHz. Note 3: Sub-bands for alarms are excluded (see ERC/REC 70-03 Annex 7). Note 4: The duty cycle, LBT or equivalent technique shall not be user dependent and shall therefore be guaranteed by appropriate technical means. Note 4bis: Audio applications should be excluded. Voice applications allowed with spectrum access technique such as LBT or equivalent technique, the transmitter shall include a power output sensor controlling the transmitter to a maximum transmit period of 1 minute. Note 5: Duty cycle may be increased to 1% if the band is limited to 865-868 MHz. Note 6: For other wide-band modulation than FHSS and DSSS with a bandwidth of 200 kHz to 3 MHz, duty cycle can be increased to 1% if the band is limited to 865-868 MHz and power to ≤10 mW e.r.p. Note 7: For other narrow-band modulation with a bandwidth of 50 kHz to 200 kHz, the band is limited to 865.5-867.5 MHz.

  4. Revised version of EN 300 220 • EN 300 220 covers Short Range Devices (SRD); Radio equipment to be used in the 25 MHz to 1 000 MHz. • New draft version 2.3.1includes changes to the requirements for the 863 – 870 MHz Band. Currently going through the final stage of a two step approval process. • Includes additional duty cycle restrictions (approx 3% in an hour) when employing Listen Before Talk (LBT) and Adaptive Frequency Agility (AFA) • How will this effect current or future IEEE 802.15 products and or devices?

  5. Revised version of EN 300 220 Next Steps • ETSI ERM are looking to approve Draft EN 300 220 version 2.3.1 which includes changes to the requirements for the 863 – 870 MHz Band this week. • If approved this week the draft standard will be going for the final stage of approval (National Vote). • After National vote version 2.3.1 would then be published in the OJEC. • It has been proposed that the previous version of the standard EN300 220 v 1.3.1 should be eligible for declarations of compliance for up to 3 years (normally 18 months) from the publication of the new version.

  6. Contents • 863 – 872 MHz licence exempt band • EC Decision & ECC Recommendation Content • New ETSI Harmonised Standard proposals • Next steps • Ofcom Consultation on the way forward for the future use of the band 872 - 876 MHz paired with 917 - 921 MHz.

  7. Proposals on the way forward for the future use of the band 872 – 876 MHz paired with 917 - 921 MHz • The consultation was held between 11/08/09 to 03/11/09. • The purpose of this consultation was to gather input from stakeholders that will inform our approach as to the manner in which this band could be released. In particular, we wanted stakeholder views on: • The technical conditions that would need to apply to the 872/917 MHz bands, both for the full licensing approach and for the light regulatory approach; • The candidate uses for the band and the suitability of each approach, taking account of any associated technical conditions, and the potential values associated with these candidate uses.

  8. Proposals on the way forward for the future use of the band 872 – 876 MHz paired with 917 - 921 MHz • The consultation was open on the types of application that could be used in the band but set two possible methods for awarding the spectrum: • A full licensing approach: under which a small number of licences are awarded e.g. a national wide area licence suitable for mobile broadband type use awarded via an auction; • A light regulatory approach: in which radio equipment is authorised without limitation on numbers, e.g. suitable for SRD / RFID use (either under a licence exempt regime, or under a light licensing regime). • 17 non-confidential responses received and are on our website : http://www.ofcom.org.uk/consult/condocs/872_876_mhz/responses/ • We are now working through the responses and will issue a update in the near future.

  9. andrew.gowans@ofcom.org.uk

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