Problem
Complexity and scalability
Legacy walk testing equipment is complex, requiring specialised skills, time-consuming setup and challenging test administration. It often scales poorly, typically limited to testing a maximum of eight networks or bands at once. This makes it inefficient to test large sites without multiple walks or supplementing UE-test gear with costly, complex scanners
Problem
Poor reliability
Reliability issues further hamper testing, with freezes, disconnections and unexpected reboots commonplace. These interruptions not only disrupt testing workflow but also lead to delays and increased costs, as technicians must waste time troubleshooting and restarting tests.
Problem
time consuming processes
Preparing equipment and configuring tests is often time-consuming. Administrators must set up tests on each UE, understand spectrum allocation, manually program every channel to be tested and configure test scripts individually. When equipment fails during a test, configurations and measurement data are often lost or corrupted, leading to restarts and further delays
Problem
slow data processing
The challenges extend beyond on-site testing. Processing log files and generating detailed reports is also complex and time-consuming, frustrating your skilled technicians and engineers as they transfer data between processing software, Excel and Word to manually compile lengthy reports. It can often take several days after deploying your tester on-site before the walk test report is finally received.
CERNOᵀᴹ is a completely self-contained mobile network test device that’s no larger than a standard laptop, and supports idle and fully-scripted UE-based active testing of up to 6 networks or bands, producing the same industry-standard QMDL log files that you’re familiar with.
highly scalable
CERNO is engineered to be highly scalable. Supporting up to 4 cellular modules, each containing 6 individually configurable Qualcomm Snapdragon-based UEs, a single CERNO supports simultaneous testing of up to 24 networks or bands on a single walk test. This not only provides you with the ability to undertake band locked testing of all deployed networks, but eliminates the need for a scanner.
unmatched performance
Unlike legacy testing tools, CERNO captures all raw measurement data output directly from the Qualcomm modem at the modem’s output rate of between 50 and 100 samples per second, without binning or averaging. QMDL log files produced by CERNO are the highest resolution in the industry.
versatile solution
The very same CERNO device that you use for walk testing can be installed on a car and configured for drive testing within seconds, eliminating the cost and the operational complexity that comes with buying, maintaining, managing and operating 2 entirely different sets of test equipment.
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With the lightweight Ranlytics backpack, industry-leading reliability and operational simplicity, walk testers don’t require specialised technical skills – eliminating resource bottlenecks and reducing cost.
easy and efficient setup
With CERNO’s persistent test config file storage, full active test configurations and scripts for up to 24 UEs can be built within minutes via a single administration screen before the tester leaves the office. So, testing can begin within minutes of the tester’s arrival on site. And with auto-scanning and channel identification, the tester doesn’t require knowledge of spectral allocation, eliminating channel programming errors. CERNO’s ease-of-use and reliability means you no longer have to deploy you skilled technicians and engineers to walk test, allowing them to remain focused on higher value design and engineering tasks.
unrivalled reliability
While legacy test equipment often struggles with only 80% reliability, CERNO operates at an impressive 99% reliability level. Even in the event of a power interruption, CERNO’s unique fault-tolerant design ensures that all test configurations and scripts are preserved, and no more than 5 seconds of test data is lost. So, testing can resume in less than a minute.
lightweight and ergonomic design
The unique, lightweight Ranlytics backpack accommodates a CERNO with up to 4 cellular modules in a fully-loaded rig that weighs just 12.1kg (or under 25lb). And because the backpack has been designed for even weight distribution, both physical strain and the risk of injury to testers are both reduced.
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Generate complete reports on the same day as the test
CERNO is complemented by the RAN-DPS cloud-based data processing, storage, reporting, and analysis system to provide a complete, fully-integrated full stack walk testing solution.
fully automated log file processing & report generation
At the end or the walk, log files can be quickly uploaded to the RAN-DPS from site. The logs are automatically processed, the RF metric data extracted and stored in the hyperscale datastore, and fully-customisable customer-ready reports automatically generated – all before the tester leaves the site.
RICH AND POWERFUL INBUILT REPORT GENERATOR
Not only can report formatting be easily customised, with customer logos, colours and layouts; but the report generator can automatically build, size and embed KPI summary tables, plots, histograms and distribution curves, together with derived metrics and other report elements. And because all of your walk test data is always instantly available in the hyper-scale datastore, reports can include data and metrics from multiple walk tests, conducted at any time. Therefore, ‘before-and-after’ plots and other report elements are now easy to incorporate into the highest quality walk test reports available.
ELIMINATE RE-WALKS RESULTING FROM INCOMPLETE TESTS
Because complete customer-ready reports can be generated before the walk tester leaves the site, any areas that were missed can be quickly identified and walked, eliminating costly and time-consuming re-walks.
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