Signalion SIQMA CPRI data stream analyser

Signalion’s SIQMA is used for wireless radio equipment testing via the CPRI interface, including R&D in diverse lab applications, basic conformance testing and basic acceptance testing of eNodeB in the field. It is also used for eNodeB maintenance and troubleshooting services; analysis of uplink interference in live cells; detection of remote radio head/unit (RRH/RRU) malfunction and misconfiguration.

The solution enables users to plug in the optical link between RRH/RRU and base station and to analyse the data on this link. Different wavelengths on the optical link are supported by exchangeable SFP modules. CPRI demapping is provided to allow digital I/Q analysis on a PC. CPRI to RF conversion is also supported to allow use of traditional spectrum analysers. W-CDMA and LTE for different network equipment are supported.

The product provides quick analysis of the CPRI data stream and a graphical display of the analysis. It has a CPRI-to-RF conversion (RF output) facility for the additional use of available standard RF test and measurement equipment. It can provide data capture/analysis while the eNodeB is in operation and there are means for remote access via a standard ethernet interface.

The device provides all-in-one functionality and vendor-independent analysis. Optional wireless standards W-CDMA/LTE are available for different vendors and vendor formats. Due to the RF option, an operator is able to use its current standard measurement. Different formats of the various base stations/RRH combinations are supported for W-CDMA/UMTS and LTE.

The product provides savings in cost, time and resources because tests are facilitated at ground level, eg, in the base station cabinet, without mast climbing to connect to the RF at the antenna. The robust hardware is designed for deployment in the field and the product is easy to install. It allows access to the original data between base station and RRH to analyse directly in digital form. There is no distortion caused by measurement.