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LTE test device supports enhanced MBMS

Posted: 29 Nov 2011 ?? ?Print Version ?Bookmark and Share

Keywords:LTE? demodulation? multicast data transmission?

Aeroflex Ltd has revealed that the TM500 LTE Test Mobile now supports enhanced Multimedia Broadcast Multicast Services (eMBMS). According to the company, the TM500 platform is the industry's de facto standard test mobile that enables verification of the functionality and performance of eMBMS.

With the addition of the eMBMS feature, the Aeroflex TM500 now supports all the headline features announced with Release 9 of the Third Generation Partnership Project (3GPP) LTE standard. The TM500 provides demodulation and decoding of eMBMS signalsincluding videofor both FDD and TDD versions of LTE, and will include dedicated measurements for low level debugging, stated the company.

eMBMS allows LTE mobile network operators to maximize Return on Investment (RoI) by providing high end services such as mobile TV, localized news and traffic updates without making large additional investments in network infrastructure. eMBMS is the most viable technique for providing IP multicast data transmission over an LTE network in a scalable manner, added Aeroflex. It allows for efficient sharing of the resources of a single network between multicast broadcast traffic and more traditional data services. This is achieved by dynamically changing the resource usage between the two types of traffic depending on their instantaneous needs.

The eMBMS testing capability of the TM500 includes demodulation and decoding of IP multicast transmission from different cells; reception of simultaneous unicast and multicast transmissions; MBMS protocol logging and validation; and power measurement of the eMBMS-specific reference signal. Verification of both eMBMS signal quality and synchronized cells within a Multimedia Broadcast Single Frequency Network (MBSFN) area is also performed. Multiple multicast channels (MCH) from different MBMS service areas can likewise be demodulated, described Aeroflex.

"The Aeroflex TM500 is leading the market with full support for3GPP Release 9 headline features including support for eMBMS measurements," said Nicola Logli, product manager at Aeroflex. "The TM500 provides a fully software-upgradeable path for the test of LTE eNodeBs. This includes everything from functional single-UE test through multiUE to load testing based on the emulation of thousands of UEs working in multiple cells."





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