# FR3 Modeling

Canonical URL: https://fr3modeling.com/
Publication status: staged
Deployment status: preview-only
Version: 2.2.0-preview.1
Last modified: 2026-07-31
Managed by: LJP Asset Group LLC
Publisher: https://ljpassetgroup.com/
Contact: support@ljpassetgroup.com

## Governing question

How should FR3 radio behavior and deployment conditions be represented so simulations and engineering evaluations use explicit, traceable assumptions?

## Direct answer

FR3 modeling defines representations of radio channels, propagation conditions, antennas, environments, geometry, mobility, blockage, and system parameters for upper-mid-band engineering analysis. A model is an abstraction whose usefulness depends on its scope, assumptions, calibration, version, and intended application.

## Why it matters

Simulation, ray tracing, emulation, and performance assessment can produce misleading conclusions when underlying assumptions are implicit or inconsistent. Governed modeling makes those assumptions visible, comparable, versioned, and reviewable.

## Definition

Governed representation of radio channels, propagation conditions, antennas, environments, geometry, mobility, blockage, and system parameters for upper-mid-band engineering analysis.


## Capability relationships

Modeling defines representations and assumptions; simulation applies them to evaluate scenarios.

## Standards and authority context

The two 3GPP records support radio-channel and propagation-model context. They do not define or endorse the LJP FR3 Modeling namespace or prescribe a complete implementation.
- Study on channel model for frequencies from 0.5 to 100 GHz — 3rd Generation Partnership Project (3GPP), 3GPP TR 38.901; Release 14; under change control: https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3173
- Channel model validation of TR 38.901 for 7–24 GHz — 3rd Generation Partnership Project (3GPP), 3GPP Release 19 work item 1020081; RAN1: https://portal.3gpp.org/DesktopModules/CRs/CrDetails.aspx?CrId=586752

## Package

FR3 Modeling is one peer Capability Namespace within FR3 Engineering Foundation at https://fr3simulation.com/.

## Credibility boundary

This namespace does not prescribe a complete model, calibration method, model version, implementation, conformance procedure, or performance guarantee.

## Resources

- Namespace manifest: https://fr3modeling.com/namespace.json
- Public ontology: https://fr3modeling.com/ontology.jsonld
- Sitemap: https://fr3modeling.com/sitemap.xml