The Full Form of TEMS is‍ Test Mobile System.

Test Mobile System (TEMS) is a technology used by telecom operators to measure, analyze and optimize their mobile networks. It is considered as the basic tool to perform wireless network drive testing, benchmarking, monitoring and analysis. Originally part of Field Measurement Systems and Network Planning Software divisions of Virginia, US-based LCC International Inc., it was acquired by Ericsson in 1999 . The TEMS Products business was divested from Ericsson to Ascom on June 2, 2009. The TEMS Products business has been then divested to InfoVista, effective October 3, 2016.

Don’t assume your mobile network is delivering a quality user experience – or that your connected mobile applications work everywhere, all the time. Know it with TEMS™ Network Testing Solutions.

The TEMS™ Network Testing Portfolio allows you to optimize mobile network quality and application performance by measuring end user experience. For Network Operators, TEMS delivers the ability to walk test, drive test, and dynamically analyze service performance under real-life conditions—indoors, outdoors, and around the clock.

For industries leveraging connected mobile applications for automation, remote control and Industrial IoT, TEMS delivers the ability to measure and track connectivity and provides visibility into factors that affect application performance. 

TEMS Solutions for: 

• Mobile Network Operators, Equipment Vendors, Contractors
• Connected Car, Automotive, Fleets, Transportation 
• Autonomous and Remote Control Operations, Private 4G/5G, Industry 4.0, Ports, Mines