A turnkey 5G Field-to-Lab solution based on R&S®CMX500 Application Note
■5G New Radio (NR)is the fifth-generation radio interface and radio access technology (RAT) which was officially published by 3GPP in release 15. With the 5G technology, it enters a new era to meet the ever-increasing demands of mobile communications not only in the conventional cellular communication world, but also in the vertical industries.
■As per 3GPP definition, 5G NR is designed to support broadband mobile communications to serve bandwidth hungry applications like 3D video streaming with demanding of Gigabytes per second,as well as low bandwidth transmissions required in machine-to-machine (M2M) communication at a massive deployment scale. In addition, 5G NR should provide the ultra-reliable low latency communication (URLLC) services that meet the requirements of time critical applications, such as autonomous driving.
■Since the commercialization of 5G NR, worldwide 162 networks have been deployed as per the report of GSA[1]. On the path to the 5G NR network commercialization and service launch, field test is one of the essential user centric processes that User Equipment (UE)vendors should go through. Sophisticated features and versatile deployment options have to be thoroughly checked to ensure the reaching of certain confidence level before the official launch.
■However, field test is often linked with some challenges, such as
▲High costs due to the extensive drive tests
▲Time tedious analysis of a drive test that lowers the efficiency
▲Lack of test repeatability that makes the regressing tests impossible
■What if providing an alternative solution in a laboratory environment to cope with all above mentioned challenges during the field test? R&S®as a world-wide well established test measurement equipment manufacturer and solution provider developed a 5G field-to-lab (F2L) turn-key solution, R&S®CM360°. It features
▲the simulation of the network with the real network configurations to avoid the cost intensive drive test by utilizing mobile radio tester R&S®CMX500
▲intuitive tools to visualize, drill down the problems and therefore enhance the debugging efficiency based on R&S®SmartAnlytics
▲the specialized key performance indicator(KPI)tests configured through real network data offered on R&S®CMX500 that guarantee the test reliability and repeatability
■This application note aims to demonstrate the status of quo R&S®CM360°F2L solution. It has the structure as follows
■Chapter 1 gives an overview of the R&S®CM360°test solution with respect to its system components
■Chapter 2 describes more in details about the working flow of R&S®CM360°
■Last but not least, chapter 3 provides an outlook of R&S®CM360° solution to show its dynamic feature development.
■Following R&S®product abbreviations are used in the subsequent text.
▲R&S®CM360° 5G Field-to-Lab solution is referred as CM360°
▲R&S®CMW500 mobile radio tester is referred as CMW
▲R&S®CMX500 mobile radio tester is referred as CMX
▲R&S®CMsquares user interface and control center of CMX is referred as CMsquares
▲R&S®CMsequencer graphical scripting interface is referred as CMsequencer
▲R&S®SmartAnalytics data analytics software is referred as SmartAnalytics
▲R&S®XLAPI scripting interface is referred to XLAPI
●System Description：
■CM360°solution, a turn key Field-to-Lab (F2L) solution, typically offers the following use cases
▲Reproduce the failure from the field in the laboratory environment by importing, analyzing the logfile captured during the field test and generating test script for execution on CMX by applying both automatically generated script and extracted network configurations
▲Benchmarking the UE performance by applying the live network configuration obtained in the field test logfile to the off-the-shelf device verification test case package
■The overall setup requirement of CM360°solution contains following hardware and software components Hardware
▲Intel®Next Unit of Computing (NUC) Mini PC-Kits
▲Mobile radio network simulator
◆─ 1xCMW plus 1xCMX as minimum footprint setup, or
◆─ up to four CMWs plus 1xCMX as extended setup Software
▲SmartAnalytics
▲F2L engine
▲CMX composite software, including CMsquares, CMsequencer and XLAPI environment etc.
▲CMX F2L device verification test cases
■Except CMW and CMX, all the other hardware and software components are included inCM360°solution bundle offer and pre-installed on the NUC at the product distribution.
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1900.6478.17 、 R&S®CM360° 、 R&S®CMsquares 、 R&S®CMW500 、 R&S®SmartAnalytics 、 R&S®CMX500 、 R&S®XLAPI 、 R&S®CMsequencer 、 R&S®ROMES4 |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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06.2021 |
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Version 0e |
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1SL369 |
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3.5 MB |
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