TVBEurope 33 IBC Wrap-Up “New satellites, including
wideband and Ka-band multi- spotbeam satellites, the emergence of modulation technology with higher efficiency — so-called DVB-S2 extensions — and cross- layer optimisation techniques across different layers in the OSI protocol stack have opened up many new perspectives for our industry,” he said. “Satellite capacity remains a constrained resource. The most exciting development we have seen in the industry are the efficiency gains of the space segment usage. The vast majority of those gains are the result of using the network in a smart way combined with higher modulation efficiency.” He goes on to describe the principle of the multi-service network: a smart network capable of delivering guaranteed Quality of Service (QoS) for many simultaneous broadcast applications and workflows, types of content (radio, TV, internet data, VoIP and so on) towards multiple VNOs and customers, citing Newtec’s multi-lateral MENOS exchange network extension, deployed by ASBU with anticipated extensions to Europe and Africa, as a real example of the technology and the business case for this type of network.
Key themes for the satellite industry at IBC
The growing significance of Ka-band n The progressive importance of HD, and the higher resolutions that look likely to follow n New compression algorithms such as HEVC (Allegro, Ateme, Ericsson and Fujitsu were just some of the companies to demonstrate the technology at IBC) n How greater capacity is enabling not only higher resolution and more channels, but also content localisation n Multiservice and IP n Managed services
Ka-band: universal panacea? As broadcasters and consumers look to a world that is becoming more content-rich by the second, the much greater bandwidth Ka-band can provide — up to 24x the bandwidth of C-band and 8x the bandwidth of Ku-band — makes it, on the surface at least, hugely attractive. But the frequencies at which it operates make it susceptible to significant attenuation by rainfall. As such, many believe that it is inherently more suited to IP-based traffic.
“Satellite capacity remains a constrained
resource. The most exciting development we have seen is efficiency gain of space segment usage”
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Steven Soenens, Newtec “Today,” continued Soenens,
“following this example, we see broadcasters considering the purchase of managed services rather than operating the network themselves. Similarly, we have seen interest by industry-leading