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Application Notes for R&S®TSMx

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Spectrum-based RAN insights in 5G NR TDD networks

Spectrum scans are beneficial for many use-cases such as troubleshooting, interference detection and interference hunting, or verification tasks like scheduler verification or other engineering tasks. A time-gated spectrum scan, which is a power spectrum scan which applies a time gate on uplink/downlink slots/symbols and/or the guard period reveals even more details in uplink/downlink or guard period power spectrum. This allows to focus on the uplink / downlink or guard period power spectrum in 5G NR TDD networks. This educational note explains use cases for spectrum measurements, the complexity in 5G TDD and its technology basics, and which problems can be solved with the described solution. The software used is R&S®ROMES4 together with a R&S®TSMx6 drive and walk test scanner.

21-Sep-2023 | AN-No. 8NT08

Ensure high performance of private 5G networks

Modern societies worldwide depend on the performance, reliability and security of critical infrastructures and networks. There is a plethora of “new verticals” such as manufacturing, warehouse, mining, ports or other critical infrastructure, just to name a few. These “new vertical” use cases all have one common requirement: the mobile network needs to provide a superior performance compared to a commercial mobile network. In such environments 5G brings new capabilities to build fast and secure campus or private networks tuned to higher performance, which can increase productivity and efficiency. To be successful in these business-critical use cases, the wireless networks need to be as reliable as the wired ones. This educational note describes the different test methods to be able to verify the superior network performance and to help finding root causes of potential problems limiting the performance. We distinguish between passive tests and active tests.

11-Aug-2023 | AN-No. 8NT09

How network scanners verify C-V2X communication

For several years, vehicle manufacturers and government agencies have sought ways to increase road safety, manage traffic efficiently and, in the future, make driving more comfortable, convenient and safe. Vehicle-to-everything (V2X) is a new generation of information and communication technology that connects vehicles to everything and can support these objectives. V2X is designed to offer low-latency vehicle-to-vehicle (V2V), vehicle-to-roadside infrastructure (V2I) and vehicle-to-pedestrian (V2P) communications to add a new dimension to future driver assistance systems.Cellular V2X (C-V2X) is defined as the communications standard by 3GPP in Release 14 and uses LTE technology as the physical interface for communications.The LTE C-V2X Scanner provides customers an opportunity to verify, test, and optimize ITS traffic systems that are being deployed or are already established. The scanner accomplishes this by passively listening to PC (5.9GHz) messages that are being broadcast from RSU (roadside units), vehicles or any other C-V2X enabled device. Traditional scanner measurements regarding RF signal power and quality such as RSRP, RS-CINR and RSSI, are provided for each physical channel (PSCCH and PSSCH) as well as decoded ITS message content for all three regions (North America, EU, China).

21-Oct-2022 | AN-No. 8NT07

Scenario based testing of C-V2X applications in lab and field environments

Create and simulate detailed traffic situations for the verification of cellular V2X (C-V2X) connectivity

30-Jun-2022

Automated spectrum clearance in LTE and 5G mobile networks

Spectrum clearance in mobile networks is becoming ever more important as operators use new bands that previously contained other services. This is particularly important for the rollout of 5G NR.

28-Dec-2018

Accurate and fast NB-IoT network measurements

For NB-IoT applications to function correctly, sufficient network coverage is required. Coverage must be measured to ensure a robust NB-IoT connection. Rohde & Schwarz mobile network testing provides a unique combined test solution that accurately measures the DL coverage using network scanners. It measures the device/network interaction, UL behavior, protocol, signaling load and energy efficiency during communications using NB-IoT devices connected to R&S®ROMES.

20-Feb-2018

Enabling smart macro network enhancements

Rohde & Schwarz mobile network testing solutions enable operators to efficiently increase network capacity via hardware-related, capacity-enhancing features such as antenna tilt optimization, carrier aggregation, 4x4 MIMO and 6-sector sites.

09-Aug-2016

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Rohde & Schwarz USA, Inc.

Rohde & Schwarz is one of the world’s leading manufacturers of Test & Measurement, Secure Communications, Monitoring and Network Testing, and Broadcasting equipment. Founded more than 80 years ago, the independent company has an extensive sales and service network with subsidiaries and representatives in more than 70 countries. Incorporated in the United States since 1978, Rohde & Schwarz USA, Inc. has a large team of sales and application engineers throughout North America with regional offices in Maryland, Texas, California, and Oregon. We have a world-class service facility in Columbia, Maryland and our customers can expect extensive after-sales support, including training, free technical support and close personal contact from our engineers out in the field.

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