RFI Appendix B.pdf
PDF 79 KB Posted
- Attached to
- RFI -- Complementary Positioning, Navigation, and Timing (PNT) Federal contract opportunity
- Solicitation number
- 6913G6-23-RFI-1001
About this file
This document contains additional questions and answers regarding an RFI from the Department of Transportation seeking Complementary Positioning, Navigation, and Timing solutions. The RFI is assessing both fixed infrastructure and mobile applications for CPNT technologies that can operate without GNSS signals. Standard outputs such as NMEA format through serial or Ethernet are sufficient for testing. Although holdover technologies have value, the focus is on solutions that can function completely in a GNSS-denied environment. While technologies at TRL 7 may be discussed, the objective is adoption of very mature and commercially available CPNT technologies at TRL 8 or above.
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| File | Type | Posted |
|---|---|---|
| RFI Appendix A.pdf |
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9/27/2023 Appendix B: Additional information that may be helpful in submitting responses:
The RFI outline generalizes transportation and critical infrastructure applications. Is it accurate to infer that both fixed infrastructure and mobile applications will be assessed?
Yes
Are there any specific systems output needs (i.e. should systems provide RF, serial data, NMEA, ethernet, etc to end clients)?
It’s dependent on the use case/application being tested. However, standard outputs would be sufficient for our testing (e.g. NMEA format through serial or ethernet).
The RFI request makes clear that CPNT testing will assess PNT solutions in complete absence of GNSS signals. However, what interest does Volpe have in assessing a system which provides some mitigation of GPS/GNSS interference before becoming completely reliant on backup / alternate sources?
There are other efforts within Volpe looking at mitigation of GPSS/GNSS interference, so the primary focus is on CPNT technology.
In the same vein, is there an appetite for holdover-style systems or are you looking specifically for systems which can “come up” in a completely GNSS-denied environment?
Although holdover has value, in the context of CPNT we are looking for completely GNSS-denied environments and solutions in those environments.
Is the TRL 8 threshold firm or would you be interested in hearing about a system which is close to qualification, but not quite(TRL 7)? A main objective is user adoption of CPNT technologies. Therefore, we are interested in technologies that are very mature and commercially available to users.
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