Channel Studio Modeling Software Real-World Radio Wave Propagation Modeling for RF Performance Testing

The F9860000A Channel Studio Geometric Channel Modeling (GCM) Tool provides flexible, high-fidelity stochastic channel modeling and enables the creation of virtual RF environments in which all transmitters and receivers are assigned physical locations and RF characteristics. The positions, speeds, and orientations of radios can be dynamically updated, allowing devices to move along predefined trajectories with configurable velocities and orientations. The tool supports the 3GPP spatial channel models specified in TR 38.901.

The GCM Tool offers an intuitive and efficient way to create dynamic test scenarios. With just a few mouse clicks, users can add or remove radios and define channel conditions and interactions between any combination of transmitters and receivers. The optional antenna array modeling capability enables the simulation of a wide range of real-world antenna systems, from simple dipole antennas to advanced Massive MIMO antenna arrays.

The tool supports both cabled and over-the-air (OTA) test scenarios, providing flexibility across a variety of development and validation workflows. In addition, the GCM Tool can generate geometry-based stochastic channel model datasets for AI / ML model training and on-target benchmarking of AI RAN and AI Device use cases.

RF Ray Tracing Channel Modeling

The F9860500A Channel Studio RaySim Tool (RaySim) is a state-of-the-art RF ray tracing solution designed for quick and accurate site-specific RF propagation scenario creation for complex new wireless technologies in 5G Advanced and 6G. The solution supports link-level, system-level, and network-level RF scenario simulations for Keysight’s or customer digital twins. This allows the seamless creation of real-time emulations for hardware-in-the-loop testing using Keysight's end-to-end emulation portfolio for device and radio access networks testing with RF channel emulation.

RaySim enables the seamless virtualization of drive test routes with high RF fidelity, facilitating realistic and effective 24 / 7 continuous integration testing of new software releases or network configurations. The solution supports MIMO and Massive MIMO radios, multiple UEs, and antenna beam pattern embedding. Wireless system parameters can be easily adjusted to evaluate various scenarios quickly in the lab. RaySim is the ideal solution to generate site-specific datasets for AI / ML model training and on-target benchmarking of AI-RAN and AI-Device use cases.

The F9860020A Channel Studio Non-Terrestrial Network (NTN) Tool provides flexible propagation channel modeling for communications between ground stations and LEO, MEO, and GEO satellites. It supports dynamic, phase-coherent delay, Doppler, and path loss modeling, including atmospheric rain attenuation based on ITU-R P.618, as well as 3GPP TR 38.811 TDL and CDL multipath fading channel models for NTN testing. When used in conjunction with the F9860000A Channel Studio GCM Tool, the solution supports the modeling of mixed terrestrial and non-terrestrial handover scenarios, as well as multi-satellite handover testing. The tool also enables NTN channel modeling for 2x2 and 2x4 MIMO multi-element antenna systems.

To simplify satellite scenario creation, the NTN Tool supports the import of satellite ephemeris data and Two-Line Element (TLE) files, allowing orbital parameters for Earth-orbiting satellites to be accurately defined at specific points in time, together with user equipment (UE) and/or ground gateway locations. In addition, it supports OpenStreetMap integration, GPS coordinate-based scenario definition, and both transparent (bent-pipe) and regenerative (Sat-gNB) satellite architectures, including single-link and multi-link communication scenarios.

The F9860060A Wireless Sensing Modeling Tool enables accurate integrated sensing and communications (ISAC) channel modeling by combining sensing target effects and background propagation characteristics within a unified simulation environment. Based on the 3GPP TR 38.901 Release 19 modeling framework, it extends standard channel modeling capabilities to support micro-Doppler effects and a wider range of sensing target types.

The F9860060A allows users to configure target trajectories, orientations, and radar cross-section (RCS) patterns to create realistic sensing scenarios, while preserving full communication channel fidelity, including multipath propagation, Doppler effects, and beamforming. The tool accelerates the development and validation of 5G-Advanced and 6G ISAC use cases by enabling early-stage design evaluation and facilitating a seamless transition from simulation to hardware emulation for comprehensive system testing.

With the F9860200A Channel Studio RF Field-to-Lab Tool, users can easily bridge the gap between laboratory and field testing by recreating realistic over-the-air conditions based on measured real-world environments. This capability accelerates the validation of wireless devices and network equipment by enabling accurate and repeatable testing under representative air-interface conditions. The RF Field-to-Lab Tool provides a realistic, repeatable, and cost-effective laboratory testing methodology that allows multiple designs, as well as successive design revisions, to be verified quickly and efficiently. Users can also create and maintain a library of RF Field-to-Lab test cases based on measurements collected from various locations around the world, supporting consistent benchmarking and regression testing. The RF Field-to-Lab Tool imports radio channel parameters - such as Cell ID, Reference Signal Received Power (RSRP), Signal-to-Noise Ratio (SNR), and MIMO correlation - from measurement files to automatically generate channel models for use with the channel emulator. It delivers reliable reproduction of recorded field conditions without requiring additional channel modeling or manual user intervention.

Today's chipset and device manufacturers, as well as test laboratories, are validating the performance of advanced IEEE 802.11ax and 802.11be WLAN features under standardized IEEE propagation channel conditions.

The F9860300A Channel Studio WLAN Modeling Tool is an easy-to-use application for generating standard IEEE 802.11 WLAN channel models. It supports both single-user MIMO (SU-MIMO) and multi-user MIMO (MU-MIMO) configurations across a variety of antenna setups, enabling realistic emulation and performance evaluation of WLAN devices and systems under standardized propagation conditions.

The F9860400A Channel Studio Tapped Delay Line (TDL) Modeling Tool is a comprehensive application for creating custom fading models. The generated models can be used across a wide range of applications, including cellular wireless communications, defense systems, broadcasting, and general-purpose communication link and receiver testing.

The TDL Modeling Tool is available as an optional feature for the M9484C VXG Vector Signal Generator and the E7515B UXM 5G Wireless Test Platform. It is also included as part of the PROPSIM Standard Tools software suite. The tool provides access to all key fading profile parameters through a simple and intuitive user interface, enabling efficient creation and configuration of custom channel models.

Designed for ease of use and high productivity, the TDL Modeling Tool offers fast model development and supports multiple Keysight hardware platforms, providing a flexible and consistent solution for fading channel emulation and wireless system testing.