We are pleased to share with you all an interesting article contributed by Thierry Van de Velde who is technology specialist in Mobile Internet networks, architecture and solutions. Thierry Van de Velde​ Consulting Technology Specialist at Nokia, IP & Optical Networking All Articles by...

We are pleased to share with you all an interesting article contributed by Mojtaba HOUSHMAND. Mojtaba HOUSHMAND Policy, AAA & Charging solutions Technical Manager at dorTECH All Articles by Mojtaba HOUSHMAND...

As noted in the previous post, currently there are two types of user authentication in the Wi-Fi networks operated by Korean operators: IEEE 802.1X-based and captive portal-based authentication. 802.1X-based authentication targets primarily mobile devices with an operator's USIM card, whereas captive portal-based authentication to be discussed here is used to attract users without a permane...

We will talk about call flow in IEEE 802.1X-based user authentication used in Korean network operators' Wi-Fi networks. Before we continue, let's take a look at what Korean operators' current Wi-Fi authentication are like first. KT provides the following SSIDs in its Wi-Fi Hotspots: ollehWiFi (with lock icon): Users are authenticated based on the IMSI stored in USIM of their...

All wireless telecommunication networks (e.g. Wi-Fi, WiBro and LTE provide “user authentication” and “security over radio link (integrity check (protection/verification) and ciphering (or encryption))” features. User authentication is required for network operators to ensure that only those who subscribe to them (i.e. paid subscribers) can access their networks. In wir...