Rohde & Schwarz drive test solution now offers complete MIMO measurements in real LTE networks. Network operators want to take full advantage of their new and existing resources when they upgrade to LTE. To support this objective, Rohde & Schwarz has added MIMO-specific measurements to its R&S ROMES4.65 drive test software. Using this feature, the R&S TSMW network scanner can quickly identify interferers that reduce MIMO performance in LTE networks.
Munich, January 9, 2012 — MIMO technology can increase the capacity of LTE networks. The latest R&S ROMES software version for the proven drive test solution from Rohde & Schwarz allows network operators and infrastructure manufacturers to collect important MIMO data during a drive test. The data can be essential in determining where an investment in MIMO pays off in their coverage area and where MIMO can be implemented smoothly and efficiently.
When used with the R&S TSMW network scanner with its two integrated receivers, the R&S ROMES software can measure the MIMO channel matrix for both 4x2 and 2x2 systems. From the matrix, the software calculates a parameter known as the condition number, which indicates the capacity gain that can be achieved with MIMO. A GPS receiver assigns this data to the exact position and clearly displays it on a map. The R&S ROMES software performs MIMO measurements on all bandwidths up to 20 MHz. Interference can be detected over the entire bandwidth used by the LTE signal.
MIMO-specific measurements are saved in the complex channel matrix with a time component, the phase shift. The measurement data can be exported for later field-to-lab applications. Using fading emulators, a complete mobile radio network can be reproduced in the lab simulating real field conditions.
Network operators can test all their mobile radio networks with a single instrument because the R&S TSMW combined with the R&S ROMES drive test software covers LTE as well as UMTS, GSM and CDMA standards. The R&S TSMW supports all frequencies from 30 MHz to 6 GHz. The test solution therefore covers existing and future frequency bands, which makes it a cost-effective investment for today and tomorrow.
The new version of the R&S ROMES4.65 drive test software is now available from Rohde & Schwarz.
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Rohde & Schwarz
Rohde & Schwarz is an independent group of companies specializing in electronics. It is a leading supplier of solutions in the fields of test and measurement, broadcasting, radiomonitoring and radiolocation, as well as secure communications. Established more than 75 years ago, Rohde & Schwarz has a global presence and a dedicated service network in over 70 countries. It has approx. 8400 employees and achieved a net revenue of € 1.6 billion (US$ 2.2 billion) in fiscal year 2010/2011 (July 2010 to June 2011). Company headquarters are in Munich, Germany.
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