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Understanding dynamic BTS/UE signals with wireless link analysis

Posted: 10 Feb 2012 ?? ?Print Version ?Bookmark and Share

Keywords:LTE? PHY? MAC?

For system-integration engineers and verification engineers, troubleshooting new BTS and UE designs will only get tougher as wireless standards become more advanced. Within standards such as LTE, the biggest challenges stem from the complex interactions between the physical (PHY) and media access control (MAC) layers during signaling operations.

Those who typically work at the PHY layer tend to rely on two tools of choice: signal analyzers such as the Agilent PXA (N9030A) and vector signal analysis software such as the Agilent 89600 VSA. As a complement to the 89600 VSA, Agilent has created the 89600 wireless link analysis (WLA) software.

Wireless link analysis correlates control messages with the wireless links they manage, giving PHY-savvy engineers greater visibility into the autonomous MAC-layer messaging that occurs between devices. In both system integration and verifi cation the ultimate benefi t is a deeper level of insight that accelerates day-today troubleshooting and ultimately improves time to market.

This application note provides a brief look at four key topics: link operation, wireless link analysis, a graphical approach to WLA, and dynamic measurements. It also presents an overview of additional capabilities specifi c to the analysis of LTE devices.

View the PDF document for more information.

Originally published by Agilent Technologies at as "Gaining Deeper Insights into Dynamic BTS/UE Signals with Wireless Link Analysis Agilent 89600 WLA Software".

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