Frédéric Gabin

Check out page 14, for news from SES Satellites about DVB-NIP, join us at #DVBWorld on 17 March 2026, for more insights

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We’re happy to share the news that France is preparing a DVB-I trial. Led by the Forum Audiovisuel Numérique (FAVN) and uniting broadcasters, operators, and receiver manufacturers, it underscores the growing momentum around DVB-I, joining significant activities in Germany, Italy, Ireland, Spain, China and elsewhere. Check out the full announcement on the DVB website: https://lnkd.in/e4QdNZYy You'll find lots of DVB-I-related action at #IBC2025 this year, including demos throughout the exhibition and several meetups and presentations on the DVB stand (1.B71). Show guide: https://lnkd.in/eqYFVbzj Meetup schedule: https://lnkd.in/gyi8fkvu #DVB #DVBI #FutureOfTV #TVInnovation

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Is 6GHz good for your home WiFi? Orange France seems to think it is not. Numerama reports: “The new Livebox S and Livebox 7, announced on April 10, do without the 6 GHz band for Wi-Fi. This is a decision made by Orange, which explains that this technology, which it had launched in April 2022, is not useful and deteriorates network quality.”(translated from French) That is quite a change. After three years of field deployment, Orange has concluded that the disadvantages of 6 GHz WiFi exceed the benefits. Three things stand up from Orange´s experience with WiFi6E home routers: - Low use. Only 5% of connections are in the 6GHz band. 5GHz is by a very large margin the most used  - The range in 6GHz is short, high throughput can only be achieved when in front of the router - 5GHz WiFi and 6GHz WiFi interfere with each other, causing degradation to performance in both bands. The last point might have been particularly irritating for Orange since 5 GHz is used most, and led to radical action. Numerama indicates: “By removing the 6 GHz card and optimizing the 5 GHz antennas, Orange says its internal tests show a 70% improvement in Wi-Fi quality, on average, in a home.” So, users are actually better off without 6 GHz? An interesting development indeed The technical side looks particularly remarkable to me. The 5 GHz and 6 GHz Wi-Fi bands are not too close: in Europe, 6GHz lower boundary is at 5945 MHz and 5 GHz upper boundary is at 5725 MHz. Shouldn´t it be possible to reduce interference with filters? Well Orange tried that and concluded that the additional filtering degraded the 5GHz performance too much. It makes you wonder how it got to this. It seems something that the standards or the regulations should have covered. I don’t know, but isn´t a typical deployment scenario of 6 GHz Wi-Fi to have 5 GHz Wi-Fi nearby? I mean, even in the same box? It will be interesting to see the experiences of other European operators with this. In any case, it doesn’t help much the cause of 6 GHz Wi-Fi. https://lnkd.in/epRB8Pw6

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IP-Based Broadcasting As broadcasting continues its shift toward IP and software-defined infrastructures, operational visibility is becoming more complex — and more important. Traditional monitoring approaches that worked well in baseband environments are no longer sufficient for modern broadcast systems. In conventional broadcast facilities, signal paths were largely deterministic. Engineers could trace faults through defined hardware routes, and system behaviour was relatively predictable. IP-based environments introduce a different reality. Video, audio, and data now travel across shared network infrastructure alongside multiple services and protocols. Packet loss, latency variations, timing drift, and software interactions can influence broadcast quality in ways that are not always immediately visible. This is where observability becomes critical. Monitoring typically answers the question: Is the system working? Observability goes further by helping teams understand why something is happening within the system. In IP broadcasting, this means visibility into network performance, packet behaviour, timing synchronization, system logs, and application-level metrics. When these insights are integrated effectively, engineers can detect anomalies early and resolve issues before they affect live transmission. For executives, observability supports operational confidence. Reliable insights enable better decision-making, reduce downtime risk, and strengthen accountability across technical teams. For engineers, it provides the context needed to troubleshoot complex systems where problems may not originate from a single device but from interactions across multiple layers. The transition from monitoring to observability reflects a broader shift in broadcast operations. As infrastructures become more distributed and software-driven, understanding system behaviour becomes just as important as maintaining equipment. IP broadcasting offers remarkable flexibility and scalability. But without strong operational visibility, complexity can easily outpace control. The organisations that succeed in this new environment will be those that invest not only in infrastructure — but also in the tools and practices that make that infrastructure understandable. — Broadcast Technology Executive | Satellite, IP & OB Systems © OWASPACE | Original Content #OWASPACE #OWASPACEBroadcast #OWASPACEInsights #IPBroadcasting #BroadcastMonitoring #Observability #MediaTechnology #BroadcastEngineering

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Certificate lifecycle at SBA scale: the blast-radius problem In a lab, certificate rotation is a script. In a live 5G Service-Based Architecture, it is a network event. Because a single trust anchor influences: • NF ↔ NF service communication • SCP mediation paths • SEPP inter-PLMN interfaces • NRF discovery & OAuth token validation • CI/CD supply chain • Day-2 observability and telemetry Now multiply that by: 👉 hundreds of NF instances 👉 multi-vendor stacks 👉 geo-distributed clusters This is where the real problem begins. 💥 Rotation blast radius A routine renewal can trigger: • Mass NF re-registration • TLS session churn • Policy re-validation storms • Control-plane signaling spikes Your crypto hygiene becomes a load test of the core. 🔁 The coordinated upgrade problem You are no longer rotating a certificate. You are synchronizing: • CA hierarchies • NF trust stores • Container images • Helm charts • Onboarding workflows Across environments that never move in lock-step. 🧪 The interop test-matrix explosion Each change creates new permutations: vendor × release × CA × cipher policy × environment Most combinations are never tested together — until production does it for you. ⚠️ The uncomfortable truth At SBA scale: Certificate lifecycle is not a security task. It is a service-continuity risk domain. The industry still treats PKI as a compliance function. In cloud-native 5G, it is a control-plane stability problem. Crypto-agility without service-continuity is not agility — it is a risk multiplier. #CryptoAgileTrustPlane #5GCore #SBA #TelcoCloud #CloudNativeTelco #NetworkSecurity #ZeroTrust #PKI #CryptoAgility #3GPP #ETSI #PlatformEngineering #CarrierGrade

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What does “wideband” really mean in the UHF bands 470–694 MHz and 1350–1525 MHz – and why should we care about the wireless channel? ETSI TR 103 450 defines this very clearly: a signal is narrowband if it is much narrower than the channel’s coherence bandwidth (the frequency range where the channel looks almost the same), and wideband if it is wider than that range. In the narrowband case, all parts of the signal fade together; in the wideband case, different parts can fade differently at the same time. A picture helps. Imagine a multi‑lane bike path. The surface is the wireless channel: some “lanes” are smooth, others rough, some with potholes. A bike uses one narrow lane – this is like a narrowband signal: it only ever feels one “lane condition” at a time, so the whole signal shares the same fading. Now think of a car that spans several bike lanes at once. Its left wheels can hit a pothole while the right wheels are on smooth asphalt. One and the same car is experiencing different road conditions simultaneously. That is what a wideband, frequency‑selective channel looks like: different frequency components of a single wideband signal see different fading at the same time. Measurements in 470–694 MHz and in 1350–1525 MHz show very small multipath delay spreads (typically tens to a few hundred nanoseconds), which correspond to coherence bandwidths of roughly one to several megahertz. At the same time, path loss and body loss are more favourable in 470–694 MHz and higher in 1350–1525 MHz, even though the delay‑spread behaviour is similar. WMAS, as described in TR 103 450, uses one RF channel of 6–8 MHz (up to 20 MHz) in both bands. That single WMAS channel is therefore wider than the coherence bandwidth, so it behaves like the car spanning several lanes: different frequency components see different fading at the same time – a genuinely wideband channel. Multicarrier waveforms such as OFDM address this by splitting the wide WMAS channel into many narrow “sub‑lanes” (subcarriers). Each sub‑lane is equalised separately by a whole set of narrower wheels under the car, not just by the left and right wheels at the edges. The people inside the car – the individual audio channels – feel far fewer “turbulences”, because the suspension is constantly compensating for the different bumps under each wheel. In other words, the wideband channel is decomposed into many small, almost flat pieces in frequency, and the receiver adjusts each piece individually before combining them into one robust, smooth‑riding link for all audio channels. For non‑technical readers, the key point is that the wireless channel – the real “road” the signal travels on – sets the rules. For technical readers, in 470–694 MHz and 1350–1525 MHz the combination of delay spread, coherence bandwidth, path loss and body loss fully justifies treating a WMAS RF channel as truly wideband and designing waveform and receiver architecture accordingly. #Spectera #WMAS #Sennheiser #ProAudio

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It's great to see this announcement. It's increasingly clear that DVB-I is being seen as an important component in the future of broadcast content delivery.

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I am pleased to share that ECC Report 369 has been finalised within SE7, under WG SE. The Report — “Technical Feasibility and Implications of Increasing Power for Private Mobile Radio in the 446.0–446.2 MHz Frequency Band” — addresses a precise engineering question: Is it technically feasible to increase transmit power in the PMR 446 band while maintaining coexistence and cross-border compatibility? This was not approached as a purely theoretical modelling exercise. ECC Report 369 combines: analytical compatibility studies, structured interference scenario assessments, and critically, real-world measurement campaigns. Field measurements were provided by several administrations, including Romania, France and the Netherlands. These empirical datasets were essential to: validate propagation and field-strength assumptions in the 446 MHz range, assess actual emission behaviour under operational conditions, verify interference margins beyond worst-case theoretical envelopes, and calibrate modelling parameters against measured performance. The integration of measurement results alongside simulation work significantly strengthens the technical credibility of the conclusions. From a spectrum management perspective, the Report provides administrations with a robust engineering basis when evaluating potential adjustments to PMR 446 technical conditions, ensuring that any evolution remains proportionate and technically justified. ECC Report 369 demonstrates a clear engineering principle within SE7: where regulatory implications are tangible, analytical modelling should be supported by measured evidence. My appreciation goes to all experts and administrations that contributed — particularly those who invested in field measurement campaigns to anchor the study in operational reality.

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INSIGHT: DVB-I Trial Starting in France, Is This the Sign of the Revival of “Freely à la Française”?   Back in February 2024, I wrote a post about ARCOM’s call for French broadcasters to collaborate on a unified app that would bring together all French DTT (TNT) channels, free and accessible to everyone on all TVs. In that article, I described the evolution of this idea through five “seasons.” We are now entering the sixth, marked by FAVN’s announcement of a DVB-I trial, a milestone worth unpacking. DVB-I, standardized by the DVB Project, enables a single application to aggregate all free-to-air (FTA) channels over the Internet, to put it simply. So, what’s new this time? The UK Precedent: “Freely” In the UK, a similar concept already exists under the name Freely — a unified app that gathers all DTT UK services into one platform available on all TVs. It relies on HbbTV OpApp, a technology that predates DVB-I but laid the groundwork for it. The French Challenge For FAVN, the goal is to demonstrate that broadcasters — each currently operating their own app (e.g. France.tv for France Télévisions, TF1+ for TF1, M6+ for M6, etc.) — can now be brought together under a single DVB-I umbrella. Today, Molotov TV remains the only free app offering all these channels in one place, but you must pay to access TF1 and M6,  hardly a universal solution. What Has Changed Since Last Year? 1. Cross-Platform Deals: Ahead of IBC, we saw a wave of announcements, for example, TF1 licensing content to Netflix (business model still unclear) and France TV to Amazon Prime Video. This raises a fair question from policymakers: “If you make your content available to FAANG companies, why not to the French public?” 2. New Mini-Silos Forming: Smaller channels like L’Équipe TV and ARTE are now part of the TF1+ app, recreating yet another silo — a reminder of how Salto, the previous joint venture between France TV, TF1, and M6, failed to deliver a unified streaming service. 3. Piracy Pressure: Meanwhile, IPTV pirate sites continue to offer all French DTT channels for free. These are highly convenient for viewers — but generate zero revenue for broadcasters. The question is: will they finally wake up? A Defining Moment At stake is the creation of a universal, native app that works on all TVs, the natural evolution of DTT, especially as France’s Parliament debates a mandatory UHD transition by 2030 ich (as discussions keep being postponed due to political instability). I am a strong believer that the "French DTT modernization" will not only come with UHD but also with IP mirroring of DTT services, possibly even in UHD. I believe the ducks are finally aligning, slowly, yes, but in the right direction. Jacques Donat-Bouillud Vincent Grivet CEDRIC DAVY Ludovic Bostral DVB Project HbbTV Association Ian Nock https://lnkd.in/gDm-KxGN

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𝗕𝗶𝗴 𝗡𝗲𝘄𝘀: 𝗣𝗮𝘁𝗰𝗵𝗔𝗺𝗽’𝘀 𝗙𝗿𝗮𝗺𝗲 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗥𝗠𝗦) 𝗶𝘀 𝗻𝗼𝘄 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝗶𝗻𝘁𝗼 𝗦𝗸𝘆𝗹𝗶𝗻𝗲 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀’ 𝗗𝗮𝘁𝗮𝗠𝗶𝗻𝗲𝗿 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺. What does this mean for broadcasters and engineers? ✅ Real-time visibility across coax & fiber signals ✅ Custom dashboards + SNMP alarms ✅ Faster diagnostics with card-level insights This collaboration makes signal health easier to track, troubleshoot, and automate—without adding complexity. The PatchAmp Frame Monitor connector is live in the DataMiner Catalog today. 👉Read the full press release here: https://lnkd.in/ebPZbVy4 #PatchAmp #DataMiner #Broadcasting #Monitoring #SkylineCommunications

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Fibre Systems' Keely Blakeman speaks to Vincent GARNIER, Director General at the FTTH Council Europe, to discuss the state of play for European rollouts, the technical leap toward 50G PON, and why the industry is shifting its focus from coverage to #value creation. As the industry prepares for the FTTH Conference 2026 in London this April, the narrative surrounding fibre deployment is changing. No longer just a race to pass homes, the conversation has matured into a debate over #performance, #migration, and the role of #fibre as a critical national asset. Read more ➡️ https://lnkd.in/eck39E-9

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“Field” or “office” sounds simple — but in telecom, the same role can feel completely different depending on where you work. Full career-path breakdown in the main video 👇 in comment

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Check out the new fiber development index report for 2025 from Omdia with exclusive access to Ookla’s Speedtest Intelligence data. Impressive results across many countries this year.

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Standing on an industry stage as a keynote with experts in the audience always makes me nervous. But it has never been more important for us to build a shared understanding of what the future production and distribution landscape might look like. My sincere thanks for the trust — at DVB Project #dvbworld and Eoghan O'Sullivan next week at #mediatechfestival MediaCity Odense for those attending in Odense, you will get an extended version. We need to challenge our established production standards and rethink how a unified production‑and‑distribution framework should evolve in the years ahead. The focus must remain on the viewer experience. #broadcast #svt -

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Multicast networks — those digital channels in-between major broadcast networks on the dial — are becoming a bigger part of overall TV viewership, especially among households that use an antenna. https://lnkd.in/gqziECXR

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