5G network testing

A concise introduction to O-RAN technology

Watch this video and discover the technology and test aspects of Open RAN radio access networks (O-RAN).

Introduction to O-RAN radio unit testing

Watch this video and learn how to verify the interoperability of your O-RAN network equipment.

Demystifying 5G – Testing dynamic spectrum sharing (DSS) on a device

This video explores testing of an LTE-capable device in presence of 5G NR SSB’s while enabling MBSFN subframes.

Demystifying 5G – 5G NR signal generation in the new 47 GHz frequency band

Watch this video to explore its underlying performance while measuring error vector magnitude (EVM) of a 100 MHz wide 5G NR signal at 47.2 GHz.

Demystifying 5G – RF sampling ADCs: how to verify modulation performance?

The video demonstrates how to verify the modulation performance of a high speed ADC on the digital side.

Demystifying 5G – 5G NR coexistence with LTE based on dynamic spectrum sharing (DSS)

The video explores the technological fundamentals that enables DSS between 5G NR and LTE.

Demystifying 5G – 5G NR coexistence with LTE – testing dynamic spectrum sharing (DSS), part 2

The video shows how to configure and measure dynamic spectrum sharing (DSS) based on 5G NR signal components using MBSFN subframes of an LTE signal.

Demystifying 5G – 5G NR coexistence with LTE – testing dynamic spectrum sharing (DSS), part 1

The video demonstrates the configuration of an LTE signal including MBSFN subframes based on the R&S SMW200A vector signal generator.

Demystifying 5G - 5G NR throughput testing, dynamic scheduling and power control

Data throughput and dynamic scheduling are important parameters for 5G devices and require thorough testing during design phase. The video demonstrates how easy it is to setup and carry out these measurements with the unified user experience R&S®CMsquares.

Demystifying 5G – Parallel 5G NR RF measurements and E2E testing

The new unified user interface R&S®CMsquares controls the R&S®CMX500 radio communication test platform and enables an easy setup and measurement of RF parametric tests and end-to-end tests, such as ping measurements, in parallel.

Demystifying 5G – Unified user experience with the R&S®CMsquares

CMsquares, a unified user experience concept, simplifies 5G NR device testing. It controls the R&S®CMX500 and allows to combine various measurement tasks.

Demystifying 5G – 5G NR device testing made simple with the R&S®CMX500

In this video we explore the test setup required to test 5G NR devices in non-standalone (NSA) mode using the R&S®CMX500 mobile radio tester from Rohde & Schwarz.

Demystifying 5G – How a 5G UE accesses the 5G network

The video explains the 5G-LTE dual connectivity, how a 5G phone accesses the 5G network and shows the measurement software to follow the process.

Demystifying 5G – How fast is 5G in commercial networks?

The video shows data throughput measurements of a 5G router (connected to ROMES) and a 5G phone (with QualiPoc Android) in mmwave 5G networks with 4 times 100MHz bandwidth.

Demystifying 5G - What are the challenges?

Get an overview of the topics that we will cover during the seminar.

Demystifying 5G – How to generate and analyze 5G NR TDD signals?

The video demonstrates how to generate the uplink portion of a 5G NR TDD signal.

Demystifying 5G – How are slot formats defined in 5G NR?

Slot formats are a fundamentally new concept in 5G NR.

Demystifying 5G – 5G NR PTRS and how to emulate phase noise

The video explains the concept of PTRS and how they are used to compensate for the typical phase error (CPE) - caused by the impact of phase noise at higher frequencies (mmWave, FR2).

Demystifying 5G – 5G NR test model (TM) support for FR1 and FR2

The example in the video shows the test model required to perform signal quality measurements such as error vector magnitude (EVM)

Demystifying 5G – System calibration basics for over-the-air (OTA) testing

The video provides high-level insights and theoretical background on system calibration.

Demystifying 5G – Antenna array calibration using the R&S®SMW200A and R&S®FSW

The video demonstrates a direct measurement method for antenna array calibration to correct for relative amplitude and phase offsets.

Demystifying 5G – Calibrating OTA test systems using gain transfer method

The video demonstrates the gain transfer method in order to carry out repeatable and reliable over-the-air (OTA) measurements.

Demystifying 5G – Antenna array calibration methods for OTA testing

The video explains the theoretical background of antenna array calibration and discusses various methodologies including direct and indirect measurements.

Demystifying 5G – Backpack for simultaneous 5G NR and LTE coverage measurements

The video introduces a compact backpack that is ideal to perform simultaneous network measurements of 5G NR in mmWave and sub 6 GHz frequencies.

Demystifying 5G – Concept of SSB beamforming in mmWave frequencies

The video explains the concept of synchronization signal blocks (SSB), how SSB beamforming works in sub 6 GHz and mmWave frequencies and how many different beams can be realized by the network infrastructure.

Demystifying 5G – Simultaneous coverage measurements on LTE and 5G NR at 28 GHz

The video demonstrates the simultaneous measurement of 5G NR signals in the mmWave frequency range at 28 GHz and LTE in sub 6 GHz using a single network scanner in a 5G backpack for coverage and beamforming tests.

Demystifying 5G – Frequency settings in 5G NR

The video provides insights into the channel raster and synchronization raster in 5G NR in order to explain how to perform coverage measurements for 5G non-standalone and standalone mode.

Demystifying 5G – Automatic channel detection (ACD) measurement for 5G NR

The video demonstrates how the automatic channel detection (ACD) option eases 5G coverage measurements even in the mmWave frequency range.

Demystifying 5G – Phase noise of clock and LO components in 5G base stations

The video demonstrates a clock generator and an RF synthesizer from IDT and shows the measurement of the phase noise, contributed by these components.

Demystifying 5G – Clock input monitoring, holdover and relocking in 5G base stations

The video demonstrates an IDT clock generator and shows the measurement of phase transient during a locked-holdover-relocking-locked cycle. A clock signal with a defined phase noise profile is used to emulate the effect of a real-world clock with a non-ideal phase noise performance.

Demystifying 5G – Timing alignment and delay adjustment of SYSREF and sampling clock signals in 5G base stations

The video demonstrates a clock generator from IDT and shows the measurement of time alignment and delay adjustment of SYSREF and sampling clock signals.

Demystifying 5G - How to flexibly measure multiple SSB transmissions

The video demonstrates how to measure all synchronization signal blocks (SSBs) in different frequencies with all SSB indices.

Demystifying 5G – Configuring a 5G NR network measurement setup

This video explains how easy it is to configure the R&S®TSME6 network scanner.

Demystifying 5G - 5G NR network measurements at 3.5 GHz

The video demonstrates how to perform 5G NR network measurements at 3.5 GHz. In the example shown, the R&S®SMW200A vector signal generator generates a 5G NR signal

Demystifying 5G - How does 5G NR devices identify the network?

Learn how a UE is identified to be “5G NR capable” via an LTE base station and is informed where to search for a 5G NR base station (gNB) signal.

Demystifying 5G - Over the air (OTA) testing for 5G NR in far-field and near-field

This video answers common questions that arise with 5G over the air testing.

Demystifying 5G – Repeatable and temperature-based 5G NR OTA testing

The video discusses various solutions for over-the-air (OTA) testing for 5G NR devices and base stations based on test solutions from Rohde & Schwarz.

Demystifying 5G – Creating far-field conditions at short distances for 5G over the air testing

The video discusses various solutions to significantly reduce the measurement distances in order to achieve a compact test setup for mobile device and base station OTA testing.

Demystifying 5G – External harmonic mixer vs. spectrum analyzer

How to extend the frequency range of your spectrum analyzer? You can either use external harmonic mixers or invest in a new spectrum analyzer that covers the required frequency range. This video explains the differences between both methods and why a spectrum analyzer has a clear advantage compared to an external harmonic mixer.

Demystifying 5G – PAPR: Difference for 5G PHY layer concepts vs. LTE

In this video we explore the PAPR for these waveforms and compare them to LTE, a fully standardized technology including scrambling and channel coding methods.

Demystifying 5G – waveform candidates

Comparison of an OFDM-based LTE waveform with 5G waveform candidates such as UFMC, FBMC, GFDM and f-OFDM.

Demystifying 5G – 2 GHz modulation bandwidth for 5G signal generation

To enable the industry to study wider bandwidths at higher frequencies, Rohde & Schwarz implemented a unique 2 GHz modulation bandwidth in the R&S®SMW200A vector signal generator enabling 5G signal evaluation up to 40 GHz carrier frequency.

Demystifying 5G – 5G New Radio (NR) waveform analysis

This video demonstrates how to create a configuration file with the R&S®FS-K96PC OFDM vector signal analysis software from Rohde & Schwarzto analyze an OFDM-based waveform that follows the physical layer parameterization for 5G NR.

Demystifying 5G – 5G New Radio (NR) waveform generation

In this example the 5G waveform uses one of the physical layer parameterization currently discussed in 3GPP RAN1.

Demystifying 5G – 5G waveform defined by Verizon Wireless

How to configure a waveform that follows the Verizon Wireless 5G specification is the topic of this video. The focus is on downlink and synchronization signals, broadcast channels and beamforming reference signals.

Demystifying 5G – Signal analysis of Verizon Wireless 5G waveforms

The analysis of a 5G signal following the Verizon Wireless 5G specification is demonstrated in this video.

Demystifying 5G – Where 5G waveform candidates lose their advantage

5G waveform candidates, such as FBMC, UFMC and GFDM, are designed to overcome limitations of LTE. For example, FBMC, UFMC and GFDM outperform LTE in spectral regrowth. Their much sharper power spectrum is a clear advantage over LTE. But what happens, if a non-linear device such as a power amplifier is used to amplify the signal? This video explores this behavior and provides interesting results.

Demystifying 5G – 3GPP RAN1 status for 5G New Radio (NR)

This video shows the current status of 5G New Radio (NR) in 3GPP with focus on RAN1 – the group within 3GPP that is responsible for physical layer aspects.

Demystifying 5G – PAPR: Scrambled payload sequences for 5G waveform candidates

In this video we explain how to use a scrambled bit sequence as payload in form of a data list for 5G waveform candidates, such as FBMC, UFMC or GFDM, using the R&S®SMW200A vector signal generator.

Demystifying 5G – US is leading the race for 5G frequency candidates

In July 2016 the Federal Communication Commission (FCC), the US regulator, decided to open up additional spectrum for future 5G wireless communications. This video provides a summary on the intended frequency bands for 5G in the US and explains the potential auction principles.

Demystifying 5G – PAPR: Generating a scrambled payload sequence

In this video we describe how to generate a scrambled bit sequence using the LTE standard.

Demystifying 5G – 28 GHz PA characterization with Verizon Wireless 5G waveform

This video demonstrates how to test a power amplifier that operates at 28 GHz. We use a downlink signal characteristic based on a waveform that follows the Verizon Wireless 5G specification.

Demystifying 5G – 5G specification published by Verizon Wireless

This video provides some background information and compares the Verizon Wireless 5G standard with the current LTE specification from a physical layer point of view.

Demystifying 5G – V5GTF crest factor reduction (CFR) - a simple way out?

This video demonstrates a simple method to clip (any) waveform, including the Verizon Wireless 5GTF signal, using software tools for signal generation and analysis from Rohde & Schwarz.

Demystifying 5G - How about clipping a V5GTF signal?

This video compares the performance of a V5GTF standard-compliant signal showing a standard-dependent high peak-to-average power ratio (PAPR) with a clipped version of such a signal. Did the crest factor improve? How about the error vector magnitude (EVM)?

Demystifying 5G - What causes the high PAPR in the V5GTF signal?

Implementing the Verizon Wireless 5GTF specification reveals a high overall peak-to-average power ratio (PAPR) for a downlink only signal. In this video, we look at what causes the high signal peaks.

Demystifying 5G - How mobile is 5G at mmWave frequencies?

In this video we explore the fundamentals for mobility in a cellular system and show how (pre-)5G and 5G systems eventually tackle this challenge.

Demystifying 5G - Enable mobility in 5G systems

Dual connectivity is the method of choice for (pre-)5G and 5G NR to enable full mobility using LTE as an anchor technology. However, there are quite some differences between the 3GPP-based version of dual connectivity and how (pre-)5G standards are planning to utilize this methodology. In this video we explore the differences between the two.

c – frequency candidates

A future 5G mobile communication standard shall support among other things a feature defined as enhanced mobile broadband (eMBB). eMBB calls for Gbps peak data rates and hundreds of Mbps average user data rates.

Demystifying 5G – limitations of LTE

What limitations of LTE have been identified from a waveform perspective and related to 5G? How do new 5G waveform candidates cope with these limitations?

Demystifying 5G – requirements and timeline

In this video we answer the questions: what is 5G, what are the targeted applications and resulting requirements and what is the anticipated timeline?

Demystifying 5G - Ready for testing 5G NR sub-6 GHz devices in production with the R&S CMW100

The R&S®CMW100 communications manufacturing test set with a supported bandwidth of 160 MHz is ready for testing initial 5G NR sub-6 GHz wireless devices in production.

Demystifying 5G – Testing a 5G IF transceiver

This video demonstrates how to test a discrete transceiver for 5G NR based on the latest data converters from Texas Instruments.

Demystifying 5G - Testing the true performance of ADCs

The R&S®SMA100B RF and microwave analog signal generator from Rohde & Schwarz combines highest output power, lowest phase noise and lowest wideband noise making it ideal for high-resolution ADC/DAC testing as demonstrated in this video.

Demystifying 5G - Wideband noise and its impact on testing the true performance of ADCs

We compare the wideband noise performance of conventional signal generators with the R&S®SMA100B RF and microwave analog signal generator from Rohde & Schwarz that offers an improved wideband noise performance of more than 10 dB.

Webinar: Demystifying 5G – Numerology and initial access concept for 5G NR

Get an overview on the current discussions within the standardization organization.

Demystifying 5G – How about 5G EVM measurements better than 40 dB at 28 GHz?

The 28 GHz band is one of the 5G frequency candidates that gains a lot of attention in South Korea and the USA. Signal bandwidths of up to 500 MHz are under discussion.

Demystifying 5G - Minimizing the impact of accessories when testing 5G RF components

The R&S®SMW200A vector signal analyzer and R&S®FSW signal and spectrum analyzer from Rohde & Schwarz make the calibration of the signal path towards the device under test (DUT) simple and easy, as demonstrated in this video

Demystifying 5G – UFMC signal demodulation

How to demodulate UFMC signals? Universal filter multi carrier (UFMC) is one of the deliverables of the EU-funded 5GNOW project. Rohde & Schwarz implemented UFMC and other 5G waveform candidates in their signal generator and signal analyzer solutions.

Demystifying 5G - Full power frequency sweep for 5G PA characterization

This video demonstrates a power vs. frequency sweep while measuring error vector magnitude (EVM), crest factor, adjacent channel leakage power ratio (ACLR) and other relevant parameters using the R&S®SMW200A vector signal generator and R&S®FSW signal and spectrum analyzer from Rohde & Schwarz.

Demystifying 5G – 5G power amplifier characterization

In this video we explore how to set up Rohde & Schwarz signal generators and spectrum analyzers to characterize a 5G power amplifier using 5G waveform candidates, such as FBMC, UFMC or GFDM.

Demystifying 5G – Signal generation and analysis of cm- and mm-wave frequencies

The video demonstrates high frequency signal generation and analysis using signal generator and analyzer solutions from Rohde & Schwarz.

Demystifying 5G - UFMC signal generation

How to generate UFMC signals? Universal filter multi carrier (UFMC) is one of the deliverables of the EU-funded 5GNOW project. Rohde & Schwarz implemented UFMC and other 5G waveform candidates in their signal generator and signal analyzer solutions.

Demystifying 5G - Full test support of Verizon Wireless 5GTF specification

In July 2016, Verizon Wireless and its partners published a 5G technology standard based on 3GPP's Release 12 specification for LTE. Known as 5GTF, the specification targets Fixed Wireless Access (FWA) as application scenario with no mobility.

Webinar: Demystifying the 5G NR physical layer

This webinar provides an overview of the latest 5G NR physical layer specification, discusses the test challenges related to 5G and demonstrates practical test solutions. The webinar concludes with a look at the challenges involved in SA operation.

Webinar: Demystifying 5G and the evolution to massive MIMO for increased capacity and profit

In this webinar, the challenges facing massive MIMO deployment and measurement will be briefly addressed, and over-the-air (OTA) measurements for 5G mmWave radio equipment based on Rohde & Schwarz benchtop OTA solutions will be demonstrated.