tividoo GmbH

• Mobile usage throughout Europe
• Maximum throughput by aggregation of the bandwidths of all available mobile phone connections with satellite radio based on Eutelsat Ka-Band
• Sophisticated latency management for smooth transmissions with professional demands

When live-broadcasting events, sufficient bandwidth is especially important due to the amount of data being transmitted. By now, professional video encoders and codecs are very efficient in achieving very good video and audio quality even with lower data transfer rates via e.g. 3G and 4G connections. However, mobile radio is a shared medium, meaning the achievable bandwidth differs from one radio cell to another depending on the number of logged-in devices, and on how the radio cell itself is connected to the Internet. A more economical connection solution should enable bonding several mobile phone links in order to provide the necessary bandwidth. A suitable satellite link has to be integrated to guarantee a certain minimum bandwidth, e.g. by using the new mobile Ka-Band satellite technology. This way, video and data transmission is possible everywhere in Europe – always at the most favorable conditions.

At first, a self-directional satellite antenna was mounted on top of a subcompact car, as well as several mobile phone and W-LAN omni-directional antennas. A Multichannel VPN Router 500 was then installed in the car, equipped with four UMTS/HSPA+ modems as well as a connector for Gigabit Ethernet. Due to its robust design without any movable parts, model 500 is especially suited for installation in vehicles. For the router, Streaming Optimization was activated which ensures that the data stream is not interrupted despite high latencies due to the satellite transmission. In addition, a HD-SDI encoder is used for streaming which is specially adapted to the technology of the Streaming Optimization and to the high latencies of a satellite link. This further increases the experienced broadcast quality.