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Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)

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AI, Sustainability and Trustworthy Digital Infrastructures

As AI‑driven services scale across networks, devices and data centers, understanding their hidden impacts and redesigning architectures for sustainability and sovereignty becomes critical. CTTC addresses this challenge through eco‑friendly AIoT platforms, energy‑efficient digital twins and next‑generation Agentic AI architectures for 6G.

Meet GAIA: Eco-Friendly AI...

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Advanced Standards for 6G Spectrum, AI Data Centers and Autonomous Transport Networks

Next‑generation networks will rely on tightly integrated radio, optical and transport layers that are scalable, energy‑efficient and automation‑ready by design. CTTC is helping define this foundation through advanced multiple access techniques for 6G, intelligent optical networking for AI data centers, and the ETSI TeraFlowSDN controller for autonomous transport networks.

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Unsolicited Ads Generate Nearly 30% of Social Media App Traffic

In a joint study with the GSMA, CTTC quantifies the share of mobile data generated by a popular social media app that is not explicitly requested by users. Results show that advertising and related background activities can account for up to 28% of session traffic, adding several megabytes of data per user session and increasing pressure on network capacity and user data pla...


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When 5G TN/NTN Meets Humanitarian Action: From the Sea with Open Arms to the Field with the Italian Red Cross

The CTTC is reshaping mission-critical communications for humanitarian and emergency response through the seamless integration of 5G and NTN (satellite) networks, and deployable edge/cloud capabilities to deliver resilient, secure, and high-capacity connectivity in areas where infrastructure is unavailable or damaged. A solution that has been validated in the frame...


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Certified, Secure and Green Networks for the AI Era

Industrial AI, quantum computing and next‑generation fixed networks demand security and trust models that go far beyond traditional ICT certification. CTTC is contributing to this transformation through unified cybersecurity certification frameworks for Industrial AI and Quantum, advanced F5G architectures with built‑in energy efficiency, and key ETSI standards supporting Eur...


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