
TEMS Investigation is an active, end-to-end testing solution, used to verify, optimize and troubleshoot Heterogeneous RAN services.
It enables mobile operators and infrastructure suppliers to test quality, from the perspective of subscribers (QoE) and from the perspective of the network (QoS), covering in-vehicle, in-building and pedestrian test scenarios. It focuses on early availability of new technologies, features and devices. Scalable, adaptable and constantly updated to meet evolving needs.
Discover more about TEMS Investigation or contact us for a demo.
Related resources and publications

TEMS™ Cloud – Orchestrate, monitor, analyze and report on your network testing projects
Optimize your network testing projects with enhanced efficiency, control, and analytics available with TEMS Cloud

March 2025 | New releases, innovations, and success stories
Discover our latest product releases and new capabilities, inspiring customer success stories, and key insights from our testing experiment at MWC

Sweet Spot Detection in TEMS™ Pocket
Discover how Sweet Spot Detection in TEMS™ Pocket helps you find optimal testing spots and simplifies your site verification process

Testing network experience at MWC25 with TEMS™ Pocket Backpack
Discover how we tested network performance at Mobile World Congress Barcelona 2025 with TEMS Pocket Backpack

Collecting structured data in TEMS™ Paragon
Discover how to ensure a structured execution of your testing workflow, from work order creation to field data collection and results processing

TEMS™ Cloud – Orchestrate, monitor, analyze and report on your network testing projects
Optimize your network testing projects with enhanced efficiency, control, and analytics available with TEMS Cloud

TEMS™ Discovery – Post-process and analyze large network testing data sets
Optimize your network based on actionable insights from large network testing data sets with TEMS Discovery

TEMS™ Sense – Remotely monitor your wireless network services end-to-end
Continuously validate your subscriber experience with 24x7 active network monitoring

TEMS™ Paragon – Streamlined mobile network benchmarking campaigns
Benchmark your mobile network against your competitors with TEMS Paragon

TEMS™ Pocket – Portable network testing and troubleshooting solution
Optimize your subscriber experience with our portable network testing and troubleshooting solution

RCR Wireless: The evolution of testing in cloud-native, disaggregated network
RCR Wireless News report on the evolution of testing in cloud-native, disaggregated networks and why automation and centralization of 5G testing is ke...

Senza Fili report: The evolution from drive testing to multi-level automated testing in 5G
Senza Fili report on the evolution of 5G network testing, from drive-testing to automated multi-level testing

Frost & Sullivan Market Leadership Award: Global 5G NR Drive Test
Frost & Sullivan recognizes Infovista as 2022 Global Market Leader in 5G drive test solutions.

The new look of drive testing in 5G networks
Read through our Sparring Partners transcript on testing in 5G Networks to learn more about the modern perspective on testing and optimizing networks

Mapping a path to telco revenue growth
To understand the revenue potential of new ICT services, we must review the current financial state of CSPs’ businesses, as examined in this report

Sweet Spot Detection in TEMS™ Pocket
Discover how Sweet Spot Detection in TEMS™ Pocket helps you find optimal testing spots and simplifies your site verification process

Testing network experience at MWC25 with TEMS™ Pocket Backpack
Discover how we tested network performance at Mobile World Congress Barcelona 2025 with TEMS Pocket Backpack

Collecting structured data in TEMS™ Paragon
Discover how to ensure a structured execution of your testing workflow, from work order creation to field data collection and results processing

Dual SIM testing with TEMS™ Pocket
Discover TEMS Pocket's Dual SIM Dual Standby feature for efficient testing. Manage, control, and record data from two SIMs seamlessly

Generating Instant Reports from your device in TEMS™ Pocket
How to generate instant PDF reports in TEMS Pocket for quick network test results. Simplify workflows with on-device reporting and detailed insights

How to successfully test the user experience of OTT video streaming on mobile networks
Learn how to successfully and cost-effectively validate the user experience of OTT video streaming services on your network

OTT telephony application testing (2/2)
See how Infovista’s generic OTT telephony application testing approach was validated to be a representative benchmark for native OTT telephony app tes...

OTT telephony application testing (1/2)
Explore the generic OTT telephony application concept, its codec/client adaptation and settings, and recommended KPIs to be used for testing.

Mobile gaming user experience
Find out how to test UX interactivity for one of the most rapidly growing application areas: cloud gaming over mobile networks

Introduction to POLQA v3
POLQA is an objective perceptual QoE metric that predicts the overall listening speech quality of narrowband (NB) to super-wideband (SWB) telecommunic...