Nationwide AirtoGround Communications Network Use Case Michael Gagne AURA Network Systems Doc802 1520005900016t Title 47 Telecommunications Part 22 Public Mobile Service Subpart G AirGround Radiotelephone Service ID: 774685
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AURA Network SystemsNext Generation Nationwide Air-to-Ground Communications Network Use Case
Michael Gagne – AURA Network Systems
Doc.802.
15-20-0059-00-016t
Slide2Title 47 – TelecommunicationsPart 22 – Public Mobile ServiceSubpart G –Air-Ground Radiotelephone ServiceGeneral AviationIndividual Site LicenseSignal Channel (20KHz) and Traffic Channel (20KHz)325KHz Paired (650KHz total)497 Mile Co-Channel Protection217 Mile Service AreaPower RequirementsGround Min 50 Watts, Max 100 Watts ERPMobile Min 4 Watts, Max 25 Watts ERPSpectrum utilization allows for spectrum to be used as a block
1. Introduction / Band Plan
Michael Gagne – AURA Network Systems
Doc.802.
15-20-0059-00-016t
Slide32. Site Licenses
67 licenses cover 69 transmitter locationsSecures all spectrum nationwideIncluding Alaska, Puerto Rico and HawaiiThe 450 MHz spectrum has strong propagation characteristics Operation permitted at all elevation
Michael Gagne – AURA Network Systems
Doc.802.
15-20-0059-00-016t
Slide42. Site Licenses
Licensee of 67 General Aviation Air-Ground Radiotelephone Service licenses that together cover the entire United States and its territories, including Alaska, Hawaii and Puerto Rico
The 67 licenses cover 69 transmitter site locations
Michael Gagne – AURA Network Systems
Doc.802.
15-20-0059-00-016t
Slide52. Site Licenses
TX - 12.5KHz 7W ERP
RX - 50KHz 3500 W ERPNot Aviation - Alternative Use
Michael Gagne – AURA Network Systems
Doc.802.
15-20-0059-00-016t
Slide63. Critical Aviation and Unmanned Systems
RegulatoryManaged under the FAA General Aviation OfficeCommercial Beyond Visual Line of Site (BVLOS)Part 107 – Visual Line of Site below 400’, not over peoplePart 87 - PilotsPart 90 – Certified AviationPart 135 – Cargo for Hire/HEMSRTCA SC-228Working Group 1 – Detect and AvoidWorking Group 2 – Command Non-Payload CommunicationsASTM F38Small UAS2018 FAA Reauthorization Act Section 373 (October 2019)UAS Spectrum AvailabilityL – Band (960-1164MHz)Congested FAA, Military UseNo Service RulesC – Band (5031-5090MHz)UnencumberedNo Service Rules
UAS CNPC Capacity on 450MHz (650KHz)Pilot to UAS Communication is done as needed to re-task AutopilotUAS to Pilot Communication is streaming data at 5kbps or less315KHz of return link spectrum offers 630kbps with a 2 b/Hz spectral efficiencyOver 50 simultaneous UAS per site802.16 based/Slim LTE/Other Air InterfaceUAS benefits to 450MHz spectrumFCC Designated Aviation SpectrumAviation Service RulesNationwide FootprintLow cost of deploymentLarge coverage areaHighly ReliableGreat Anchor Spectrum for higher bands to add capacityAvailable today
RegulatoryFCC Technological Advisory Counsel (TAC)Unmanned Aircraft System – Working Group (UAS-WG)
Michael Gagne – AURA Network Systems
Doc.802.
15-20-0059-00-016t
Slide74. Air Interface Requirements and Use
Spectrum UtilizationSpectrum efficiency of 2 bits/Hz or betterSpectrum Bandwidth size of 15KHz Min to 325KHz MaxSub-carrier size of 5 KHz MinimumPhysical sectorization of spectrum to increase Reuse and CapacityMobilityHandoversDoppler (Speed of Sound)Elevation from Ground to 60,000 feetDistance up to 200 MilesRemote dynamic power controlPerformanceAvailability, Reliability, Continuity, and IntegrityHow many 9’s.RTCA Standards still in developmentLatency – Base to Remote of less than 50ms
DataMessages delivered from Remote to Base at 1 Message per SecondMessage size from 5kb to 100kbMessages delivered from Base to Remote as neededMessage size from 20kb to 1mb
Michael Gagne – AURA Network Systems
Doc.802.
15-20-0059-00-016t