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Base station analyser handles WiMAX, LTE

Posted: 14 Jul 2009     Print Version  Bookmark and Share

Keywords:base station analyser  4G network  handheld analyser 3G 

Anritsu Co. is introducing the BTS Master MT8221B, a handheld base station analyser that has been developed to support emerging 4G standards and installed 2G/3G networks. The MT8221B's platform provides a 20MHz demodulation capability to measure technologies such as LTE and WiMAX, and a 30MHz Zero-Span IF output for external demodulation of virtually any other wideband signal. In addition, a vector signal generator option with the flexibility to generate two modulated signals plus noise is available for comprehensive receiver testing.

Senior cell site technicians and RF engineers can use the BTS Master MT8221B to accurately and quickly test, and verify the installation and commissioning of base stations and cell sites. It is suited for ongoing maintenance and troubleshooting to help ensure the operation of wireless network infrastructure. Key performance indicators (KPIs) such as dropped calls, call denial or call blocking rates due to a malfunction at the cell site or interference can be easily and accurately detected with the BTS Master MT8221B.

Existing 2G/3G networks and 4G networks being rolled out can be tested with the BTS Master MT8221B. The analyser can measure the RF quality and modulation quality of a wireless signal to verify the performance of virtually every sub-system in a base station's transmitter. Downlink over-the-air (OTA) quality tests verify the performance of the downlink with the OTA scanners.

The BTS Master comes with Master Software Tools (MST) that allows data acquired by the analyser to be easily transferred to a computer. MST saves time generating reports by using the Trace Rename Utility and Group Edit. Review of up to a week's worth of data collected by the BTS Master can be consolidated into one file through MST's Folder Spectrogram's 3D view, which allows users to zoom into acquired data and provides independent 3-axis rotation control.

MST also provides a remote access tool (RAT) to monitor and control the BTS Master remotely over the Internet. With the tool, supervisors can remotely verify measurements that have been taken in the field. RAT also saves cost by creating un-staffed remote listening posts for interference analysis, thus freeing up technicians for other trouble spots.

The BTS Master MT8221B measures 315mm x 211mm x 94mm and weighs 4.9kg. It is battery-operated, making it easy for technicians to use it anywhere at a cell site. The analyser uses the field-proven design of all Anritsu handheld instruments, which means the BTS Master MT8221B will deliver reliable performance in rugged outdoor environments.

All key field measurements can be made with the BTS Master MT8221B. Technicians and engineers can conduct line sweeps, analyse components and antennas, troubleshoot down to a field replaceable unit in the base station, verify the performance of the cell site's backhaul lines and locate hard-to-find interference problems with the BTS Master MT8221B. Delivery is six to eight weeks.





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