We are pleased to share with you all an interesting article contributed by Dean Bubley who is mobile & telecom sector analyst, expert consultant & conference speaker. Dean Bubley Founder and Director at Disruptive Analysis All Articles by Dean Bubley...

According to the recently amended Telecommunication Business Act (Article 56-2), telecommunication service providers now are required to release information needed for their subscribers to select wired and wireless Internet service, including which areas are covered, how service is provided, etc. To comply with the regulation, on the 28th of July, the South Korea’s big 3 operators ha...

We are pleased to share with you all an interesting article contributed by Rajat Kochhar who is a seasoned telecom executive and strategist with around 13 years of experience in the industry. Rajat Kochhar Wireless and Wireline Networks Consultant at Ericsson https://in.linkedin.com/in/rajatkochhar...

[Man speaks as the same is written on the screen] Only 1 minute before the gate is closed. My daughter is upset. And I am called on the intercom. I am running to the gate. [Girl cries] Dad! Animation movie! [Man speaks as the same is written on the screen] Oh no! I forgot to download the movie. Olleh GiGA LTE! Can you please do something? Anything? [Female narrator s...

KT announced that it succeeded in commercialization of the world’s first wireless 1 Giga service, called “GiGA LTE". The service is known to have achieved speeds 15 times faster than the current LTE, through combining two heterogeneous networks: LTE and WiFi. Previously, the company has released “GiGA Internet” in October 2014, and “GiGA WiFi Home” in March 2...

It has been over a year since KT Chairman Hwang Chang Kyu’s declaration of his vision GiGAtopia on May 20, last year. The main idea of GiGAtopia was that the company would make both of its wired and wireless networks giga-class, through investment of KRW4.5 trillion for three years to come. We thought it would be a good time to check how they did for the past one year, and what innovation...

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here 6 things you should know about enterprise WLAN IEEE 802.11 wireless LAN (“WLAN”) technology, commonly...

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...

This article was published in Korea Communication Review magazine (KCR Q1 2015). For the rest of the Q1 2015 issue of Korea Communication Review magazine please click here 1. What is "LTE-Unlicensed"? And what's the big deal about it? 2. Korean Operators' Position (KT, SK Telecom and LG U+) 3. Discussion on Regulatory Requirements 4. LTE Advocates vs. Wi-Fi Advocates 1. W...

KT’s Vision: GiGAtopia Source: KT What? Chairman Chang-gyu Hwang of KT (with sales of KRW 23.8 trillion in 2013), at a press conference held at KT Olleh Square in Gwanghwamun, Seoul on May 20, announced that "KT will open up a new age of GiGAtopia by investing KRW 4.5 trillion (USD 4.4 billion) in GiGA FTTH, GiGA Path (heterogeneous networks convergence technology that combines...