All Dr. Alex Jinsung Choi articles
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Strategy & ChangeDeutsche Telekom reveals new CTO; Choi switches to R&D
Head of Technology & Innovation Claudia Nemat making a New Year refresh of her top team. Open RAN point man Abdurazak Mudesir takes over as CTO as Group increases bet on network disaggregation. Current CTO Dr. Alex Jinsung Choi moves to a potentially more free-wheeling position overseeing R&D and ...
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Network & Infrastructure
DT, Ericsson demo “on-demand” 5G network slicing
Bonn lab showcases “network exposure” capabilities over 5G SA. Purportedly allows “slice service on‑demand”, whereby app performance requirements are configured automatically. Choi says proof of concept lays “technical foundation for 5G service innovation”. Keen to explore further “customer‑centric network‑as‑a‑service models”.
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Partnerships & Alliances
DT and SK Telecom’s Techmaker JV launches first product
Indoor Booster 5G goes on sale in Bavaria initially. SK Telecom completes reorganisation into SKT and SK Square.
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Network & Infrastructure
Deutsche Telekom’s Choi sees open RAN deployments from 2023
Group’s tech boss likens RAN disaggregation complexity to landing a space rocket booster. Delayed SD‑RAN trial one of many remaining legs on “journey” towards open RAN maturity. DT acknowledges geopolitical challenges around O‑RAN ecosystem. Call-to-action made on collaboration.
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Network & Infrastructure
Nokia resumes O-RAN Alliance activity
Group revises procedures to alleviate concerns over US export rules. Deutsche Telekom is “fully committed” to the Alliance. USA considering clarifications for standards organisations.
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Products & Services
MobiledgeX updates platform, switches on revenue taps
Deutsche Telekom edge compute spinout unveils MobiledgeX Edge‑Cloud 3.0 . Latest platform iteration aimed at enabling greater collaboration between telcos and hyperscalers. DT–Mavenir tie-up demos cloud-native 5G user plane function to support MEC applications. CEO Hoffman says MobiledgeX making money; aims to increase ...
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Innovation (R&D)
DT pressure‑tests Niantic’s multiplayer AR tech
Artificial reality developer Niantic taps MobiledgeX for social AR gaming. DT among carrier partners to conduct network tests for latest 5G‑enabled mobile game.
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Network & Infrastructure
TDE moves into next phase of 5G journey with SA call
Telekom Deutschland conducts 5G SA video call between antenna-site near Munich to Bonn. Recorded latency times of 13ms. Nemat views the tech as essential if network slicing and edge computing are to realise full 5G potential.
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Partnerships & Alliances
‘Techmaker’: DT’s South Korean 5G JV surfaces
New venture’s executive team to build 5G innovation pipeline from South Korea to Europe. JV initially aims to build go-to-market around 5G in‑building solutions, and then spread to import and development of other systems. Working name chimes with mandate to commercialise Asian 5G tech in western markets. ...
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Network & Infrastructure
Deutsche Telekom tests 5G SA waters in Germany
Operator sets up antenna site near Munich to gain 5G standalone experience before commercial deployment. Plans afoot to run 5G SA core network in Telekom cloud infrastructure. Nemat views the tech as essential if network slicing and edge computing are to realise their full 5G potential.
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Network & Infrastructure
Deutsche Telekom, Samsung team up on standalone 5G
Samsung massive MIMO radio put through its paces in Czech city of Pilsen. Project enables first massive MIMO call on end-to-end 5G architecture within Deutsche Telekom’s European footprint. Tie‑up marks another (but still rare) appearance for the South Korean vendor in DT’s orbit.
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Partnerships & Alliances
Deutsche Telekom sheds its TIP spectator tag
Group backs OpenBNG, a new transport initiative from OOPT project group, champions new O‑RAN/TIP lab in Berlin, and involved in technical RFI for OpenSoftHaul solution. DT is absent, however, from new Solution Groups, focused on “ end‑to‑end ” virtualised networks.
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Partnerships & Alliances
Vodafone emerging as TIP’s most valuable player
Leads way in sourcing ‘open’ radio hardware suppliers. Targets DU/CU disaggregation and white‑box base stations. Involved in raft of new TIP initiatives, including Solution Groups, OpenBNG, and MUST. Tenorio insists commercial deployments to date are “tip of the iceberg”.
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Innovation (R&D)
Deutsche Telekom champions new TIP/O‑RAN lab in Berlin
Choi talks of “ new level of collaboration ”, as joint O‑RAN/TIP lab becomes available for open RAN testing at DT’s facilities in Berlin. Hails recent European O‑RAN/TIP plugfest a success. Berlin lab available for open BNG testing, “ as soon as systems are available ”. ...
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Network & Infrastructure
Deutsche Telekom’s bumpy journey to software telco: Part II
First commercial Access 4.0 deployments imminent, but project far from completion. Silicon not yet ready for speedy service introduction. Prototypes of a converged Access 4.0 architecture not expected until 2022. Making sure organisational change keeps up with technology advances a constant challenge.
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Network & Infrastructure
Deutsche Telekom’s bumpy journey to software telco: Part I
Choi highlights importance of end-to-end service orchestration and automation… but accuses some open-source industry bodies of work duplication and low ambition. Resistance to disaggregation from established vendors still a problem… but promise of new business models, lower TCO, and faster time-to-market convince DT that software journey is necessary. ...
