It's been only a year and a half since we excitedly introduced the Evolution of Mobile RAN Architecture in LTE/LTE-A Era (C-RAN) last April. And today we are discussing the same for 5G era already. Key transitions from 3G to 4G included i) network architecture change from coverage-based to capacity-based, and ii) introduction of new 4G element, X2 interface. Specifically, cells became s...

Mobile ARPU Comparison: AT&T, KDDI, KT, LG U+, SK Telecom, Verizon

Currently, of all 3 IPTV service providers in Korea, KT is the only one offering UHD channels, three of all: SkyUHD, the world's first UHD, launched in September 2014, and SkyUHD2 and UXN, both launched in June 2015. SK Broadband and LG U+ are currently offering UHD VoD service only, but are working hard for UHD channel launch in the second half of the year. KT has been using Elemental&...

손장우 (Harrison J. Son) 넷매니아즈 | (주)엔앰씨컨팅그룹 대표이사 son@netmanias.com 현재 국내 IPTV 3사 중 유일하게 KT가 UHD 방송 채널(SkyUHD1, SkyUHD2, UXN)을 제공하고 있다. 작년 9월에 IPTV사업자로는 세계 최초로 UHD 방송 채널 (SkyUHD)을 제공하였고 올해 6월 SkyUHD2와 UXN 채널을 추가하여 현재 3개의 UHD 방송 채널을 서비스하고 있다. SK Broadband와 LG U+는 올 하반기를 목표로 UHD 채널을 제공하기 위해 준비하고 있으며 현재는 UHD VoD 서비스만 제공하고 있다. KT는 Elemental사의 UHD live encoder를 이용하여 상용 서비스를 하고...

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...

손장우 (Harrison J. Son) 넷매니아즈 | (주)엔앰씨컨팅그룹 대표이사 son@netmanias.com 기가토피아라는 비전을 선언한지 1년이 넘은 지금, 그 동안 KT가 어떠한 혁신들을 이루어 냈는 지 정리해보자. 무엇을 하겠다고 했나? 작년 5월 KT가 제시한 기가토피아: 속도전 선포 - 빠른 것은 여전히 옳다. • 기가 인터넷: 기존 100Mbps인 가정에 기가급 인터넷 접속 속도를 제공하겠다 - 기가 FTTH: 광케이블이나 UTP가 인입되어 있는 가구는 1Gbps, 500Mbps를 제공하겠다. - 기가 와이어: 전화선만 인입되어 있는 가구도 대략 300Mbps를 제공하겠다...

Table of Content LG U+ achieved 600 Mbps in its Second LTE-U Demonstration We had a chance to discuss with a member of LG U+ Access Network Development Team who conducted the LTE-U demonstration last month. Below we will briefly review what we learned from him about their LTE-U demonstration, target areas, and commercialization plan, one at a time....

KT IPTV (4K UHD) Service (1) UHD Live TV (2) 'Most Popular Channels Now' (9-Channel View) (3) 4-channel View (4) UHD VoD Success or failure of UHD service lies in how much UHD contents the service provided can offer. Being well aware of that, KT has gradually secured more contents, for example, through upscaling of Full HD movies to UHD quality (e.g. 'The Admiral: Roarin...

KT IPTV (4K UHD) Service (1) UHD Live TV (2) 'Most Popular Channels Now' (9-Channel View) (3) 4-channel View (4) UHD VoD KT also offers 4-channel view service. This service is pretty similar to LG U+'s and has the following two options: Operator-selected channels: Offers a set of 4 channels selected by operator (sports, shopping, over-the-air and movies). User-selected...

KT IPTV (4K UHD) Service (1) UHD Live TV (2) 'Most Popular Channels Now' (9-Channel View) (3) 4-channel View (4) UHD VoD You probably have been switching channels, looking for something interesting to watch, until you finally settle down for one. For viewers like you, KT offers a new way of selecting channels through a service called "Most Popular Channels Now". At the company...

KT IPTV (4K UHD) Service (1) UHD Live TV (2) 'Most Popular Channels Now' (9-Channel View) (3) 4-channel View (4) UHD VoD KT launched the world's first UHD IPTV service in September 2014. Now it has over 100,000 subscribers as of April 2015, closing trailing LG U+ who has attracted around 125,000 UHD subscribers over the same period of time. What differentiates KT's UHD...

KT IPTV (olleh GiGA UHD tv) 서비스 (1): 실시간 방송 서비스 KT IPTV (olleh GiGA UHD tv) 서비스 (2): 실시간 인기채널 KT IPTV (olleh GiGA UHD tv) 서비스 (3): 4 채널 동시 시청 ► KT IPTV (olleh GiGA UHD tv) 서비스 (4): 4K UHD VoD KT는 2014년 9월에 UHD(3840x2160) IPTV 서비스를 시작하면서 국내 IPTV 사업자로는 유일하게 UHD 방송과 UHD VoD 서비스를 함께 제공하고 있다. 본 블로그에서는 UHD VoD에 관해 살펴보자. UHD 서비스의...