The Technical Challenges of Developing Effective and Reliable A-PNT Solutions
Designing and developing an Assured Position, Navigation and Timing (A-PNT) solution that relies on information from multiple complementary sources and provides the same level of performance as GPS is not an easy task. From a design and engineering perspective, there are, quite literally, a lot of moving parts to consider and combine to arrive at a PNT truth.
In addition, solutions must be easy to integrate into the existing available space on the ground-, air-, and water-based platforms. And they must provide reliable positioning information in GPS-degraded environments where tall buildings, heavy foliage, and underground positions can affect signal quality, as well as in GPS-denied environments where adversaries have intervened to jam or compromise GPS signals.
The following summaries provide a brief overview of just a few of the technical challenges involved in developing effective and reliable A-PNT solutions.
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