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Terrestrial and Satellite Sharing Panel Discussion NSMA Annual Conference

Terrestrial and Satellite Sharing Panel Discussion NSMA Annual Conference Moderator - Ken Ryan, Comsearch 5/23/01 Rosslyn, VA. Satellite and Terrestrial Sharing. Tom Stanley – Chief Engineer, Policy Division, Wireless Telecommunications Bureau

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Terrestrial and Satellite Sharing Panel Discussion NSMA Annual Conference

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  1. Terrestrial and Satellite Sharing Panel Discussion NSMA Annual Conference Moderator - Ken Ryan, Comsearch 5/23/01 Rosslyn, VA

  2. Satellite and Terrestrial Sharing Tom Stanley – Chief Engineer, Policy Division, Wireless Telecommunications Bureau Ron Repasi – Chief, Satellite Engineering Branch, International Bureau Karis Hastings – Hogan & Hartson, Representing the Satellite Industry Association Ron Coles – Director, Regulatory Affairs & Government Relations, DMC Stratex Networks, Representing the Fixed Wireless Coalition Committee

  3. Summary of the Main Issues? • Satellite Earth Stations typically coordinate full band access • Earth Stations coordinate for full-arc access creating a worst-case horizon gain • First-in-time rights generally apply when coordinating new paths and earth stations • RFI and shielding data used to resolve interference cases into earth stations not available to FS operators trying to coordinate new paths • If an interference case exists into an earth station the FS operator often finds it too expensive and time consuming to pursue a detailed resolution effort

  4. Recent FCC Actions • FWCC “Full-band, Full-Arc” Petition NPRM IB Docket 00-203 • NGSO-FSS Ku-band Report and Order ET Docket 98-206

  5. IB Docket 00-203: FWCC Petition • Fixed Wireless Communication Coalition Petition on Partial-Band Licensing of FSS Earth Stations • Require, after being licensed for 24 months if an FSS denies an FS coordination, that the FSS demonstrate that the FSS E/S is using, has recently used, or has imminent plans to use the requested spectrum • If FSS cannot show such use then FS can take frequencies and be afforded full protection rights • Coordinators would maintain band usage data

  6. IB Docket 00-203: FWCC Petition • E/S Stations using less than 40 MHz exempt • Shorten loading period for FS licensees in shared C and Ku-band from 30 to 24 months • Asks for comment on applying this loading requirement to other shared FSS-FS bands • Require FSS E/S accepting a particular interference analysis model during coordination accept use of same model for subsequent coordinations • Require C or Ku-band FSS E/S that has accepted interference on a set of azimuths not claim protection along same azimuth for same frequency during subsequent coordinations

  7. ET Docket No. 98-206: Summary • Amendment of Rules to Permit NGSO FSS Systems in the Ku-band • Amendment of Rules to Authorize Subsidiary Terrestrial Use of the 12.2-12.7 GHz

  8. ET Docket No. 98-206: Summary • NGSO FSS Gateway Earth Station Bands • Gateway E/S Downlink Band 10.7-11.7 GHz • NGSO Downlink PFD Limits • Gateway E/S - FS Sharing and Coordination • GSO Operations in NGSO Gateway Downlink Band • NGSO/GSO Band Sharing EPFD Limits • NGSO Gateway E/S Uplink Band 12.75-13.25 GHz • NGSO Gateway ES Uplink Band 13.75 - 14.5 GHz • NGSO Service Link Bands • NGSO Service Link Downlink Band 11.7-12.2 GHz • NGSO Service Link Downlink Band 12.2-12.7 GHz • NGSO Service Link Uplink Band 14.0-14.4 GHz • NGSO/GSO Band Sharing EPFD Limits

  9. ET Docket 98-206: 10.7 - 11.7 GHz Band • Only Gateway NGSO FSS Earth Stations in Band • Part 25 and 101 Coordination Required • NSMA Encouraged to Examine NSGO E/S Coordination Rules • Mandatory Site Shielding Not Required • Growth Zones Will Be Addressed in Separate Proceeding but are likely • GSO to Remain for International Use Only in 10.7-11.7 GHz band • NGSO Downlink EPFD Limits Set

  10. What Can be Done? • Develop the ability to store and easily forward site blockage/RFI measurement data between coordinators • Accommodate single channel FS links • Resolve interference conflicts quickly • Follow sound engineering/coordination practices • Work within the NSMA

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