Mobile VSATs An Overview of Ku-Band Mobile Satellite Services

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Presentation transcript:

Mobile VSATs An Overview of Ku-Band Mobile Satellite Services Presentation to NSMA Spectrum Management 2008 May 21, 2008 Carlos M. Nalda Squire, Sanders & Dempsey L.L.P.

Mobile VSATs Earth Stations onboard Vessels (ESVs) Vehicle-Mounted Earth Stations (VMESs) Aeronautical Mobile-Satellite Service (AMSS) Aircraft Earth Stations (AESs) Many similarities from a spectrum management perspective Off-axis e.i.r.p. spectral density, pointing accuracy and automatic shut-off requirements Coordination with co-frequency users Network control functionality Regulatory status (co-primary vs. secondary)

Mobile VSATs ESV VMES/LMSS AMSS

Ku-Band ESV Rules ESV Order released Jan. 6, 2005 (FCC 04-286, IB Docket No. 02-10) Rules set forth in 47 CFR §25.222 Co-primary status in 14.0-14.5 GHz (uplink) and 11.7-12.2 GHz (downlink) bands; unprotected use of 10.95-11.2 an 11.45-11.7 GHz (extended Ku-band downlink) Coordination requirements near NASA TDRSS facilities in 14.0-14.2 GHz and RAS facilities in 14.47-14.5 GHz Reconsideration Pending Higher power operations, non-conforming antennas Pointing error considerations Resolution 902 minimum distance (125km vs. 300km)

VMES Rulemaking General Dynamics’ VMES Petition Petition filed May 24, 2006, NPRM May 15, 2007 (FCC 07-36, IB Docket No. 07-101; ) Proposes co-primary status in 14.0-14.5 GHz (uplink) and 11.7-12.2 GHz (downlink) bands; unprotected use of 10.95-11.2 an 11.45-11.7 GHz (extended Ku-band downlink) Coordination requirements near NASA TDRSS facilities in 14.0-14.2 GHz and RAS facilities in 14.47-14.5 GHz Comment cycle closed; FCC preparing an R&O Still an opportunity to license LMSS systems on a secondary basis (e.g., Raysat Antenna Systems, LLC)

AMSS Rulemaking Petition for rulemaking filed July 21, 2003 by Boeing in support of the Connexion system NPRM released Feb. 9, 2005 (FCC 05-14, IB Docket No. 05-20), comment cycle closed Connexion ceased commercial operations December 31, 2006; Boeing continues to serve U.S. government customers Proceeding is dormant, but…. Additional AMSS licenses issued to ARINC and ViaSat New players: Row 44, Panasonic Avionics, etc.

Mobile VSAT Issues Primary technical issue is avoiding interference to traditional Ku-band FSS operations Requirement to coordinate with other incumbent users of the band (TDRSS and RAS, minimal use by other services) Commercial vs. experimental licensing Effect of UTC Petition? VMES operations along rail lines and roadways ESV operations along the coast and inland waterways AMSS operations in certain stages of flight

Mobile VSATs Thank you! Please feel free to contact me with any questions: Carlos M. Nalda Squire, Sanders & Dempsey L.L.P. 1201 Pennsylvania Avenue, N.W. Suite 500 Washington, DC 20004-2401 +1.202.626.6659 cnalda@ssd.com