Munich - Rohde & Schwarz has launched a new version of R&S ROMES, a comprehensive drive test solution for LTE. The software accesses data from the R&S TSMW LTE scanner and the LTE USB test terminal. When performing drive tests for network optimization, test engineers are able to measure the transmission rate and transmission quality at the test point. The LTE test terminals have multiple antennas and support multiple input multiple output (MIMO) transmission technology.
Field tests and first rollouts of LTE networks are currently underway in many countries. LTE networks are already up and running in Sweden and the USA, for example. As a result of the rollouts, installers and operators of LTE infrastructures and their service providers now need to be able to check the data throughput and transmission quality of the new wireless communications networks. Moreover, handover tests ensure smooth transitions between networks that use different wireless communications standards.
With the LTE USB test terminal and the R&S ROMES4.50 drive test software, users can also check how effective MIMO technology is under real conditions. For example, they can determine the regions where test terminals switch to MIMO transmission. MIMO utilization is an important factor in network optimization because it is not always possible to substantially increase data throughput by transmitting the wireless communications signal over multiple transmit and receive antennas in parallel.
Test engineers can use the R&S TSMW LTE scanner to identify problems that occur during LTE network operation. Even in a real network featuring many base stations, the drive test solution from Rohde & Schwarz quickly detects trouble spots so that faults can be promptly eliminated. The result is a consistently high level of network coverage. Network quality and capacity can be optimized, as well.
R&S ROMES4.50 also features a Google Earth export function. Users can transfer LTE measurement data from the drive test software to Google Earth maps and pass the combined information on as Google Earth files. This is especially valuable for infrastructure and service providers because it allows them to easily create clear and comprehensible reports for network operators.
The R&S ROMES4.50 drive test software, which now also supports the LTE test terminal, is now available from Rohde & Schwarz. The R&S TSMW LTE scanner is already on the market. Detailed information is available at www.rohde-schwarz.com/product/romes.
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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. 7400 employees and achieved a net revenue of 1.3 billion (US$ 1.6 billion) in fiscal year 2009/2010 (July 2009 to June 2010). Company headquarters are in Munich, Germany.