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Provides the basic information required for remote control connections via SCPI.

English - 16 Jul 2025

RSCommander is a versatile software tool for a wide range of Rohde & Schwarz spectrum-, network analyzers, signal generators and oscilloscopes. It allows for automatic instrument discovery, making screenshots, reading traces, file transfer and simple script creation.

English - 24 Dec 2017

Describes all functions of instrument security service applications to secure communication with Rohde & Schwarz instruments over LAN.

English - 18 Nov 2025

Describes the health and utilization monitoring service (HUMS).

English - 5 Sept 2025

The evolution of mobile communication enters 5G New Radio (NR) era with pivotal features. Voice call service is however still considered as an indispensable element for mobile devices and worldwide network operators continue to maintain the voice service for their subscribers. In comparison to other Over-the-Top (OTT) voice services, such as WhatsApp©, Teams© etc., Voice over NR (VoNR) and Voice over LTE (VoLTE) maintain QoS, support well established handover mechanism and emergency call, and do not require to pre-install OTT app on the phone.In order to provide premium voice service and enhance the superb user experience, audio tests on mobile devices are essential before the product launch. Different audio test aspects among which acoustic, functional, performance and field tests need to be considered.This application note describes the performance test with focus on VoNR audio quality measurement via electrical interface of the mobile device. The test solution is based on R&S®CMX500 with its integrated POLQA algorithm.

English - 26 Jul 2023

Although data services in the context of eMBB, URLLC and mMTC are the pivotal drivers behind the 5G evolution, legacy services like voice and video communications still represent important services that operators want to offer to their subscribers. As part of the technology evolution, we have seen a major change from circuit-switched 2G networks with an initial focus on telephony to fully packet-switched 4G networks focused on internet data communications.This application note focuses on different details of voice services in 5G networks. Besides some theoretical background this document describes the procedure to setup a 5G network with R&S®CMW500 and R&S®CMX500 radio communication testers and how to carry out different functional voice call tests for 5G networks.

English - 6 Oct 2021

English - 31 Jul 2024

5G New Radio (NR) is a radio technology specified by 3GPP and was first released in 3GPP release 15. It is designed to target three use cases, i.e. enhanced mobile broadband (eMBB), massive machine type communication (mMTC) and ultra-reliable low latency communication (URLLC). Among these three use cases, eMBB represents actually a further evolution of mobile broadband communication from LTE standard. According to the technical performance requirement defined by IMT-2020, by deploying 5G technology, peak data rates of eMBB application are expected to reach 20 Gbps in downlink (DL) and 10 Gbps in uplink (UL) direction, respectively. Typical use cases of eMBB are data hungry applications, such as high resolution 8K video streaming, virtual reality (VR), augmented reality (AR) etc.Verification of a 5G capable user equipment (UE) with respect to its achievable maximum data throughput under controllable and deterministic test conditions is an essential process during the design phase of the product. Performance centric verification through identification of the data throughput bottleneck, product benchmarking against a golden device enhances tremendously the user experience in the end.This document focuses on 5G NR frequency range 1 (FR1) with TDD duplex mode in E-UTRAN New-radio Dual Connectivity (ENDC) operating mode. As 5G NR physical layer offers a plethora of flexibility, the motivation here is to provide a kind of guideline of relevant parameter settings to stimulate device under test (DUT)'s max throughput capacity. The status quo of the R&S solutions at the time when the application note is created are described. Shown feature sets are constantly evolving, so the screenshots used and the parameters shown may change.

English - 7 Jul 2022

In this day and age of internet of things, more and more devices are connected to the local network, making it even more difficult for the IT department to monitor them. Rohde & Schwarz instruments are also increasingly accessed via their LAN interface, which provides additional convenience features such as remote desktop, SMB file transfer or a web interface. To make it easier to monitor the use and status of instruments, some devices offer a software option, the Health and Utilization Monitoring Service (HUMS).HUMS can be accessed via SNMP and REST (HTTP) and provides all necessary information about the health status and utilization over time in many details.This application note describes how to access HUMS and what data is provided.

English - 11 Jan 2021

Comprehensive test and validation of network slicing in 5G devices with dynamic resource allocation thanks to the CMX500 radio communication tester.

English - 8 May 2025

End-to-end conformance testing of 4G and 5G next generation eCall (NG eCall) modules under controlled network conditions

English - 13 May 2024

Compliance and Pre-compliance testing are very important topics during the development of any Wireless DeviceIn this document the differences between Conformance testing vs. Pre-conformance tests will be explored as well as the Rohde & Schwarz offerings to conduct these tests

English - 5 Jun 2025

English - 30 Apr 2025

The R&S®CMX500 radio communication tester is ideal for analyzing VoNR and VoLTE voice quality and performance in mobile devices.

English - 21 Feb 2023

The R&S®CMX500 radio communication tester is ideal for testing the maximum possible IP throughput for mobile device transmitters and receivers.

English - 13 Jun 2022

The CMW500 wideband radio communication tester and the CMX500 radio communication tester are ideal for testing smartphones and tablets to meet EU energy efficiency index standards.

English - 28 Feb 2025

Device certification for compliance with 3GPP specifications is a crucial step in the launch of 5G NR user equipment (UE). As the demand for high-performance connectivity continues to rise, ensuring that devices meet industry standards is essential for delivering reliable and efficient service. To ensure optimal modem performance, RF pre-conformance testing, also known as design verification, needs to be initiated early in the product development process. This approach enables teams to swiftly identify and address potential issues, minimizing delays and enhancing the overall quality of the final product.The R&S®CMX500 3GPP RF pre-conformance WebGUI solution offers a fast and intuitive platform for executing NR-FR1 Standalone (SA) test cases based on the 3GPP 38.521-1 specification. Its manual verification capabilities make it particularly well-suited for early-stage validation, debugging, and step-by-step verification of test cases, leveraging the comprehensive toolset provided by the R&S®CMX500 WebGUI. Test case procedures are optimized for R&D use cases, while using the most relevant configurations from the specification.This application note serves as a comprehensive guide for R&D professionals, detailing the setup, configuration, execution, and verification of selected 3GPP pre-conformance test cases with just a few clicks in the GUI. Please note that the test steps outlined in this document require the CMX-KC661B license (SA FR1 3GPP RF Test Scenarios), in addition to the NR signaling license CMX-KS600B and the NR FR1 measurement license CMX-KM600. All descriptions, configurations and limits are based on 3GPP TS38.521-1 V18.4.0 (2024-11).

English - 25 Jun 2025

5G New Radio (NR) is a radio access technology (RAT) specified by 3rd Generation Partnership Project (3GPP) in release 15 technical standard which was first published in 2018. It is designed to enhance the spectrum efficiency to meet the diverse needs of wireless communication applications, such as enhanced mobile broadband (eMBB), massive machine type communications (mMTC) and ultra-reliable and low latency communications (URLLC).Two deployment modes are defined for 5G NR technology► non-standalone (NSA) mode involving both E-UTRA (access technology used for LTE) and 5G NR RAT► standalone (SA) mode allows the user equipment (UE) to access 5G core network (5GC) over LTE or 5G NR RATAll 5G NR air interface related core specifications as well as associated test specifications are included in the 3GPP 38 series specifications. In an UE product lifecycle, UE vendor is obliged to go through the device certification process by passing all the required conformance tests which include RF, protocol, performance tests before official launch of the product. RF conformance testing is of course essential for the market access. The conformity of 3GPP specification has to be ensured even in the early product R&D phase.This application note aims to guide the R&D reader through the 5G NR Frequency Range 1 (FR1) NSA RF UE conformance test according to 3GPP38.521-3 based on mobile radio tester R&S®CMX and associated web user interface R&S®CMsquares in interactive operation mode, i.e. manual operation mode, through test configuration examples. After reading this application note, the reader should be able to conduct 3GPP RF conformance tests with proper settings manually and understand measurement results in R&S®CMsquares.

English - 25 Jun 2021

This application note provides a detailed guide on performing FCC KDB987594 D02 Test Cases K&L using R&S®CMX500 OBT, focusing on FCC regulatory compliance testing for devices operating in the 6 GHz band in US.It begins by discussing the FCC's initiatives to open the 6 GHz band for unlicensed use, emphasizing the importance of Automated Frequency Coordination (AFC) systems to manage power levels and avoid interference with incumbent services.The guide outlines specific requirements for device types 6CD and 6FX, which must adjust their power levels based on information in beacon of access point. It also delves into the technical aspects of WLAN power control mechanism according to IEEE 802.11 specifications, highlighting the complexity of power adjustment features for devices operating in the 6 GHz band.This guide explains the advantages of using the CMX500 OBT tester, which can emulate various WLAN signaling scenarios, including standard and low-power access points. It provides detailed procedures for conducting Test Cases K and L, which focus on demonstrating proper power adjustment based on associated access points and ensuring client devices adjust its power appropriately.

English - 30 Jul 2025