DRM Digital Radio Mondiale: International Acceptance through Field Test Platform in Hanover
Ampegon supports one of the worldwide leading DRM test locations with a solid state low power transmission system to enable verified measurements, tests and reports
Turgi, Switzerland, March20, 2015. Ampegon has granted a solid state low power (500 W) transmission solution to RFmondial GmbH in Hannover, Germany. In cooperation with the Institute of Communication Technology (IKT) at the Leibniz Universität Hannoverthe transmitter enables technologists to continue expert measurements and demonstrations of the DRM standard on regular city environmental broadcasting conditions. A broadcast license for 26.045 MHz shortwave has been given to the Leibniz Universität Hannover.
The installation will bring DRM technology and research equipment to the campus laboratory allowing technical demonstrations for professional listeners and reception results. The use of the equipment in mobile configuration enables a testing environment for improved car radio receivers with live reception inside a city. The unlimited access and the flexible operation of the broadcast chain including all possible configurations and power levels will help to test and demonstrate DRM live broadcast and will show the technical strength of the technology. The equipment is fully remote accessible for unmanned operation.
New algorithms, coding and power improvements will be tested and verified. System linearization and coverage conditions for several operation modes are under examination. The measurements and reports are well received in international technical publications and conferences.
This DRM installation is a complete DRM service chain maintained and operated by RFmondial together with the Leibniz Universität Hannoverandthe support of Fraunhofer IIS. It co-exists next to a DRM transmission in the FM band at 95.2 MHz. In parallel to experiments under their own supervision, the service is offered to receiver, module or chip-set manufacturers to verify and improve their implementations under real environmental conditions.
Ampegon is a new brand established in autumn 2012 to merge the former Thomson Broadcast radio activities and newly acquired companies in one powerful and market leading group of companies. The group consists of Ampegon AG, Turgi (Switzerland), Ampegon Antenna Systems GmbH, Schifferstadt (Germany) and Ampegon PPT GmbH, Dortmund (Germany) with sales and service offices in China, Australia, UK and Nigeria. Ampegon serves the global Radio Transmission markets including Antenna Systems as well as Scientific Applications and Green Technologies with an extensive product range tailored to all needs of the customers in these strategic fields. The products and services stand for innovation, advanced technology and premium quality systems. As the leading designer, manufacturer and system integrator of AM/DRM Radio Transmission Systems worldwide Ampegon offers the complete system including transmitters, antennas and a wide range of auxiliary equipment. In addition the group is developing world-class technology and fully integrated solutions to serve scientific institutions with best overall performance: RF amplifier systems, high voltage as well as high current power supplies and modulators. A clear focus lies on Green Technologies for the benefit of our environment and to improve climate protection, offering photovoltaic power plants based on the company’s extensive turnkey experience and system approach.
About Leibniz Universität Hannover
The scope of the department of Communication Systems at the Institute of Communications Technology of the Leibniz Universität Hannover covers industrial, public & safety and multimedia communications as well as acoustics, audio and biomedical signal processing in combination with development of algorithms for medical technology and telemetry applications. The core area is in transmission and signal processing techniques for todays and future radio systems and medical technology. One part is the development and evaluation spectrally efficient modulation techniques for5th generation cellular mobile radio (5G), for local radio systems providing high data rates as well as for special applications with strict latency and resilience requirements. Current topics are the investigations on new transmission techniques for 5G, statistical signal analysis as well as synchronization and adaption aspects of multicarrier schemes (FBMC / OQAM-OFDM) with excellent coexistence capabilities for application in MTC and multi-service scenarios. The scientific work within the institute is analytic and measurement based, where for the latter one testbeds, demonstrators and prototype systems are used, and is usually done in cooperation with scientific and industrial partners (radio equipment providers, wireless entertainment equipment).
RFmondial offers professional products and services for digital broadcasters and network operators as well as chip and radio manufacturers. RFmondial possesses a wide record of experience and know-how in the field of digital audio broadcasting. Research, development and prototype implementation for transmitter and receiver technology as well as services in the field of digital radio broadcasting are part of the core business of RFmondial. Current products comprise DRM (DRM30 and DRM+) transmitter and professional receiver products, monitoring and archiving solutions for DAB, DRM, FM, AM as well as IP licensing.