{"guid":"725733e7-b96f-400d-a2d5-769d967236c1","title":"Der Pfad von 4G zu 5G","subtitle":" Die Luftschnittstelle und das Core im Wandel der Zahlen","slug":"36c3-10542-der_pfad_von_4g_zu_5g","link":"https://fahrplan.events.ccc.de/congress/2019/Fahrplan/events/10542.html","description":"Mit 4G wurde gegenüber früheren Mobilfunktechnologien das Air-Interface komplett neu gestaltet. Mit 5G wird dieses nun auf mögliche Zukunftstechnologien erweitert. Wir stellen die Neuerungen und die Möglichkeiten auf dem 5G-Air-Interface und im Core-Netz gegenüber 4G vor.\n\nDie folgenden Themen werden behandelt:\n\nDie 5G-Luftschnittstelle:\n\n- Subcarrier, Subcarrierspacing, Symbolzeit\n- OFDMA bei 4G\n- Guard Period\n- Resource Block und Referenzsignal\n- Resource Grid und die Aufgaben der physikalischen Kanäle\n- Grenzen von 4G und Möglichkeiten mit 5G\n- Kanalbandbreiten und Frequenzbereiche 5G\n- Subcarrier-Spacing und Änderungen im Resource Block (MBMS, NBIoT, Data, Low Latency, etc.)\n- Beispiele von Resource Grids\n- 5G auf 3,5 GHz und 700 MHz\n- Berechnung der maximalen Datenrate\n- TDD und dessen Vorteile und Einschränkungen (Sync, Laufzeit)\n- Massive MIMO, Multi-User MIMO\n- statische Beams und Traffic Beams\n- Mixed Mode - Dynamic Spectrum Sharing\n- Messung von Antennen bei 5G\n\nNetzarchitektur:\n\n- Aktueller Stand von 5G (NSA, Anker bei 4G, TDD, CA mit 4G)\n- 5G NSA und SA\n- Core-Netzelemete, Schnittstellen und deren Aufgaben\n- Radionetzwerk, eNB, gNB, Schnittstellen ((e)CPRI, S, X, ...)\n- Backhaul, 10 Gbit/s Fiber und Richtfunk\n- Vorstellung 3GPP Specs\n","original_language":"deu","persons":["Peter Schmidt","Heurekus"],"tags":["36c3","10542","2019","Science","Main"],"view_count":5803,"promoted":false,"date":"2019-12-28T11:30:00.000+01:00","release_date":"2019-12-29T01:00:00.000+01:00","updated_at":"2026-03-01T16:45:06.131+01:00","length":3635,"duration":3635,"thumb_url":"https://static.media.ccc.de/media/congress/2019/10542-hd.jpg","poster_url":"https://static.media.ccc.de/media/congress/2019/10542-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/congress/2019/10542-hd.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/congress/2019/10542-hd.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/36c3-10542-der_pfad_von_4g_zu_5g","url":"https://api.media.ccc.de/public/events/725733e7-b96f-400d-a2d5-769d967236c1","conference_title":"36C3: Resource 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