Att J-1 Alaskan Satellite Space Segment Technical Specification.pdf
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- Attached to
- ALASKAN SATELLITE SPACE SEGMENT
- Solicitation number
- 693KA8-25-R-00006
About this file
This document is Section J-1, a technical specification attachment detailing the requirements for the Alaskan Satellite Space Segment procurement by the Federal Aviation Administration (FAA). The specification outlines requirements for replacing the existing Alaskan NAS Interfacility Communications System (ANICS) Space Segment as part of the Alaskan Satellite Telecommunications Infrastructure (ASTI) modernization.
The technical requirements specify that C-Band service must be provided on two satellites (Primary and Alternate) with simultaneous full-period operation and minimum 10-degree spacing. Key parameters include: EIRP of 37 dBW or greater, G/T ratio of -2 dB/K or greater, and SFD of -97 to -80 dBW/m2. The satellites must support multiple modulation schemes including QPSK, 8-QAM, 8-PSK, 16-QAM, and paired carrier multiple access modes. Coverage must serve all of Alaska including the Aleutian Islands, Seattle/Auburn (WA), Oklahoma City (OK), and Anadyr (Russia). Additional requirements include non-preemptible transponders, 36 MHz usable bandwidth between guard bands, and maximum one-way propagation delay of 135 milliseconds. Both C-Band CONUS coverage and KU Band service with similar technical specifications are also required.
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Alaskan Satellite Space Segment SIR # 693KA8-25-R-00006
SECTION J-1: ALASKAN SATELLITE SPACE SEGMENT TECHNICAL SPECIFICATION
ATTACHMENT J-1
ALASKAN SATELLITE SPACE SEGMENT
TECHNICAL SPECIFICATION
Alaskan Satellite Space Segment SIR # 693KA8-25-R-00006
SPEC.1 ALASKAN SATELLITE SPACE SEGMENT TECHNICAL SPECIFICATIONS 2
SPEC.1.1 Purpose of the Alaskan Satellite Space Segment Technical Specification SPEC.1.2 Space Segment Technical Requirements
Alaskan Satellite Space Segment SIR # 693KA8-25-R-00006
SPEC.1 ALASKAN SATELLITE SPACE SEGMENT TECHNICAL
SPECIFICATIONS
SPEC.1.1 Purpose of the Alaskan Satellite Space Segment Technical Specification
This document describes the technical requirements and performance requirements the Alaskan Satellite Space Segment replacement of the Federal Aviation Administration’s (FAA) Alaskan Satellite Telecommunications Infrastructure (ASTI). This procurement will replace the existing Alaskan NAS Interfacility Communications System (ANICS) Space Segment undergoing modernization.
SPEC.1.2 Space Segment Technical Requirements
SPEC.1.2.1 C Band Alaska Requirements
Transponder bandwidth must be provided on two satellites (referred to as Primary and Alternate herein, both of which are full period and in simultaneous use).
There must be a minimum of 10 degrees spacing in geostationary orbit between the Primary and Alternate satellites to eliminate the effects of sun outage overlap between the two satellites and Radio Frequency Interference (RFI).
Satellites must have industry standard station keeping limits of +/-0.05 deg E/W and +/- 0.05 deg N/S.
Satellites must provide a beacon signal capable of interfacing with existing beacon receivers for antenna tracking, i.e., Satellite Systems Corporation, Model 3430-CH. An un-modulated beacon is preferred.
Satellite Downlink Beam parameters shall meet or exceed the following specifications to serve ALL of the State of Alaska including the Aleutian Island chain; Seattle/Auburn, Washington; Oklahoma City, Oklahoma, and Anadyr, Russia:
SPEC.1.2.1.5.1 Effective Isotropic Radiated Power (EIRP): 37 dBW or greater
SPEC.1.2.1.5.2 Gain-to-Noise Temperature (G/T) Ratio: -2 dB/K or greater
SPEC.1.2.1.5.3 Saturated Flux Density (SFD): -97 dBW/m2 to -80 dBW/m2 nominally adjusted in 1 dB steps. The satellite operator shall cooperate with the FAA to set the SFD appropriately for the transmission plan to provide a good tradeoff between uplink thermal
Alaskan Satellite Space Segment SIR # 693KA8-25-R-00006 noise and transmit power requirements, as reasonably determined by the FAA.
SPEC.1.2.1.5.3.1 For fully leased transponders the government shall have the ability to change the transponder gain (SFD) setting by ±3dB from the nominal value upon request
SPEC.1.2.1.5.4 Co-Channel Interference: The Co-Channel Interference ratio due to interference from co-frequency carriers on the satellite shall be a minimum 30 dB (assuming the desired carrier is operating at its bandwidth equivalent power corresponding to the nominal Input Back-off (IBO) and Output Back-off (OBO) for a full multi-carrier transponder.
SPEC.1.2.1.5.5 Change Due to Satellite Redundant Power Amplifier or Redundant Receiver: When a transponder path is reconfigured from a primary to a redundant configuration, the EIRP, G/T, and SFD specifications in SPEC.1.2.1.5.1.1, SPEC.1.2.1.5.1.2, and SPEC.1.2.1.5.1.3., shall continue to be met, and the operator shall be required to inform the FAA prior to making such change, or as soon as reasonably possible in the event of an emergency.
SPEC.1.2.1.5.6 The maximum one-way (earth station-to-satellite or satellite-to-earth station) satellite propagation delay shall be 135 milliseconds (270 ms for end-to-end propagation delay to the same earth station location).
Transponders provided on a satellite, backup transponders on that satellite, and the associated backup satellite, (e.g. primary and primary backup or alternate and alternate backup) must have the same polarity to allow for earth stations to move without changing polarities.
Polarities must be either vertical or horizontal.
SPEC.1.2.1.6.1 Transponder failures that require a change of transponder or satellite to restore service must not require a change of polarity by the ASTI antennas.
Transponders or portions of transponders on satellites must be suitable for the following range of modulation schemes:
a. Quadrature Phase Shift Keying (QPSK), modulation,
b. 8 Quadrature Amplitude Modulation (8-QAM),
c. 8 Phase Shift Key (8-PSK),
d. 16 Quadrature Amplitude Modulation (16-QAM),
e. Paired carrier multiple access modes.
Alaskan Satellite Space Segment SIR # 693KA8-25-R-00006
Transponders must be non-preemptible.
Full transponders must be 36 MHz usable between guard bands.
Fractional transponder allocations must be contiguous unless approved by the government.
SPEC.1.2.2 C Band CONUS Requirements
Transponder bandwidth must be provided on one of the two satellites provided for the state of Alaska C-band coverage.
SPEC.1.2.3 KU Band Requirements
Satellite must have industry standard station keeping limits of +/-0.05 deg E/W and +/- 0.05 deg N/S.
Satellite must provide a beacon signal.
Satellite Downlink Beam parameters shall meet or exceed the following specifications to serve the majority of the State of Alaska and majority of the CONUS:
SPEC.1.2.3.3.1 Effective Isotropic Radiated Power (EIRP): 37 dBW or greater
SPEC.1.2.3.3.2 Gain-to-Noise Temperature (G/T) Ratio: -2 dB/K or greater
SPEC.1.2.3.3.3 Saturated Flux Density (SFD): -97 dBW/m2 to -80 dBW/m2 nominally adjusted in 1 dB steps. The satellite operator shall cooperate with the FAA to set the SFD appropriately for the transmission plan to provide a good tradeoff between uplink thermal noise and transmit power requirements, as reasonably determined by the FAA.
SPEC.1.2.3.3.4 Co-Channel Interference: The Co-Channel Interference ratio due to interference from co-frequency carriers on the satellite shall be a minimum 30 dB (assuming the desired carrier is operating at its bandwidth equivalent power corresponding to the nominal Input Back-off (IBO) and Output Back-off (OBO) for a full multi-carrier transponder.
SPEC.1.2.3.3.5 Change Due to Satellite Redundant Power Amplifier or Redundant Receiver: When a transponder path is reconfigured from a primary to a redundant configuration, the EIRP, G/T, and SFD specifications in SPEC.1.2.3.3.1.1, SPEC.1.2.3.3.1.2, and SPEC.1.2.3.3.1.3., shall continue to be met, and the operator shall be required to inform the FAA prior to making such change, or as soon as reasonably possible in the event of an emergency.
Alaskan Satellite Space Segment SIR # 693KA8-25-R-00006
SPEC.1.2.3.3.6 The maximum one-way (earth station-to-satellite or satellite-to-earth station) satellite propagation delay shall be 135 milliseconds (270 ms for end-to-end propagation delay to the same earth station location).
Transponders or portions of transponders on satellites must be suitable for the following range of modulation schemes:
a. Quadrature Phase Shift Keying (QPSK), modulation,
b. 8 Quadrature Amplitude Modulation (8-QAM),
c. 8 Phase Shift Key (8-PSK),
d. 16 Quadrature Amplitude Modulation (16-QAM),
e. Paired carrier multiple access modes.
| SPEC.1 ALASKAN SATELLITE SPACE SEGMENT TECHNICAL SPECIFICATIONS |
| SPEC.1.1 Purpose of the Alaskan Satellite Space Segment Technical Specification |
| SPEC.1.2 Space Segment Technical Requirements |
| SPEC.1.2.1 C Band Alaska Requirements |
| SPEC.1.2.1.1 Transponder bandwidth must be provided on two satellites (referred to as Primary and Alternate herein, both of which are full period and in simultaneous use). |
| SPEC.1.2.1.2 There must be a minimum of 10 degrees spacing in geostationary orbit between the Primary and Alternate satellites to eliminate the effects of sun outage overlap between the two satellites and Radio Frequency Interference (RFI). |
| SPEC.1.2.1.3 Satellites must have industry standard station keeping limits of +/-0.05 deg E/W and +/- 0.05 deg N/S. |
| SPEC.1.2.1.4 Satellites must provide a beacon signal capable of interfacing with existing beacon receivers for antenna tracking, i.e., Satellite Systems Corporation, Model 3430-CH. An un-modulated beacon is preferred. |
| SPEC.1.2.1.5 Satellite Downlink Beam parameters shall meet or exceed the following specifications to serve ALL of the State of Alaska including the Aleutian Island chain; Seattle/Auburn, Washington; Oklahoma City, Oklahoma, and Anadyr, Russia: |
| SPEC.1.2.1.5.1 Effective Isotropic Radiated Power (EIRP): 37 dBW or greater |
| SPEC.1.2.1.5.2 Gain-to-Noise Temperature (G/T) Ratio: -2 dB/K or greater |
| SPEC.1.2.1.5.3 Saturated Flux Density (SFD): -97 dBW/m2 to -80 dBW/m2 nominally adjusted in 1 dB steps. The satellite operator shall cooperate with the FAA to set the SFD appropriately for the transmission plan to provide a good tradeoff between uplin... |
| SPEC.1.2.1.5.3.1 For fully leased transponders the government shall have the ability to change the transponder gain (SFD) setting by ±3dB from the nominal value upon request |
| SPEC.1.2.1.5.4 Co-Channel Interference: The Co-Channel Interference ratio due to interference from co-frequency carriers on the satellite shall be a minimum 30 dB (assuming the desired carrier is operating at its bandwidth equivalent power correspondi... |
| SPEC.1.2.1.5.5 Change Due to Satellite Redundant Power Amplifier or Redundant Receiver: When a transponder path is reconfigured from a primary to a redundant configuration, the EIRP, G/T, and SFD specifications in SPEC.1.2.1.5.1.1, SPEC.1.2.1.5.1.2, a... |
| SPEC.1.2.1.5.6 The maximum one-way (earth station-to-satellite or satellite-to-earth station) satellite propagation delay shall be 135 milliseconds (270 ms for end-to-end propagation delay to the same earth station location). |
| SPEC.1.2.1.6 Transponders provided on a satellite, backup transponders on that satellite, and the associated backup satellite, (e.g. primary and primary backup or alternate and alternate backup) must have the same polarity to allow for earth stations ... |
| SPEC.1.2.1.6.1 Transponder failures that require a change of transponder or satellite to restore service must not require a change of polarity by the ASTI antennas. |
| SPEC.1.2.1.7 Transponders or portions of transponders on satellites must be suitable for the following range of modulation schemes: |
| SPEC.1.2.1.8 Transponders must be non-preemptible. |
| SPEC.1.2.1.9 Full transponders must be 36 MHz usable between guard bands. |
| SPEC.1.2.1.10 Fractional transponder allocations must be contiguous unless approved by the government. |
| SPEC.1.2.2 C Band CONUS Requirements |
| SPEC.1.2.2.1 Transponder bandwidth must be provided on one of the two satellites provided for the state of Alaska C-band coverage. |
| SPEC.1.2.3 KU Band Requirements |
| SPEC.1.2.3.1 Satellite must have industry standard station keeping limits of +/-0.05 deg E/W and +/- 0.05 deg N/S. |
| SPEC.1.2.3.2 Satellite must provide a beacon signal. |
| SPEC.1.2.3.3 Satellite Downlink Beam parameters shall meet or exceed the following specifications to serve the majority of the State of Alaska and majority of the CONUS: |
| SPEC.1.2.3.3.1 Effective Isotropic Radiated Power (EIRP): 37 dBW or greater |
| SPEC.1.2.3.3.2 Gain-to-Noise Temperature (G/T) Ratio: -2 dB/K or greater |
| SPEC.1.2.3.3.3 Saturated Flux Density (SFD): -97 dBW/m2 to -80 dBW/m2 nominally adjusted in 1 dB steps. The satellite operator shall cooperate with the FAA to set the SFD appropriately for the transmission plan to provide a good tradeoff between uplin... |
| SPEC.1.2.3.3.4 Co-Channel Interference: The Co-Channel Interference ratio due to interference from co-frequency carriers on the satellite shall be a minimum 30 dB (assuming the desired carrier is operating at its bandwidth equivalent power correspondi... |
| SPEC.1.2.3.3.5 Change Due to Satellite Redundant Power Amplifier or Redundant Receiver: When a transponder path is reconfigured from a primary to a redundant configuration, the EIRP, G/T, and SFD specifications in SPEC.1.2.3.3.1.1, SPEC.1.2.3.3.1.2, a... |
| SPEC.1.2.3.3.6 The maximum one-way (earth station-to-satellite or satellite-to-earth station) satellite propagation delay shall be 135 milliseconds (270 ms for end-to-end propagation delay to the same earth station location). |
SPEC.1.2.3.4 Transponders or portions of transponders on satellites must be suitable for the following range of modulation schemes:
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