During the 2018 Pyeongchang Winter Olympics, 5G pilot service will be offered by means of 8-band CA that combines 8 100MHz carriers, supporting over 10Gbps on devices - more than 33 times faster than the current LTE's maximum 300Mbps. The drastic speed improvement will make features like 360 degree realistic videos, realistic content services powered by VR and AR, etc. a reality. In additio...

On June 20th, SK Telecom unveiled its strategies for utilizing the frequencies in 2.6GHz that it acquired at the last auction, and for developing more evolved next-generation network. The company has become an operator with most frequency in 2.6GHz band in the nation after acquiring additional frequency at the auction held earlier this year. Once new network utilizing these wider bandwidth...

Around this time of year, network operators and vendors are in fierce competition in introducing innovative next generation technologies and services with Mobile World Congress (MWC) fast approaching. This year, KT and SK Telecom have already been battling to present the world's first 5G technologies and services faster. On February 15th, with the MWC 2016 just one week away, Mr. Sun...

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 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...

Before you read this post, we recommend you read the following articles first: Mobile Network Architecture for 5G Era - New C-RAN Architecture and Distributed 5G Core 5G network as envisioned by KT - Analysis of KT's 5G network architecture 5G and Network Slicing With 5G being actively discussed everywhere, Network Slicing certainly is one of the most discussed technologies t...

I recently heard someone in the industry saying "While LG U+'s Vice President Sang-chul Lee is into IoT, KT's Chairman Chang-kyu Hwang is so into 5G. Whatever solution you propose, if it is for KT, it has to have "5G" in its title to, at least, get attention." Of the Korea's big 3 operators, KT has been most aggressive in sharing its strategies, network architecture, core technologi...

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...

Netmanias interview with China Mobile at MWCS 2015: 4G evolution (LTE-Advanced, 4.5G) technologies Part 1. LTE-Advanced ► Part 2. 4.5G (TDD+) 4.5G (TDD Evolution, TDD+) China Mobile also introduced some TDD+ (also known as TDD evolution), which can be called "not quite 5G yet, but 4.5G" technologies, in cooperation with Huawei. The figure below shows the concept of 4.5G, along...

Netmanias interview with China Mobile at MWCS 2015: 4G evolution (LTE-Advanced, 4.5G) technologies ► Part 1. LTE-Advanced Part 2. 4.5G (TDD+) Earlier in July, China hosted MWC Shanghai 2015 (MWCS 2015), and Netmanias was there as a media partner of the event, analyzing LTE evolution and 5G strategies of many global leading operators and vendors. Today, we will look into 4G and 5G...

For the rest of the Q3 2015 issue of Korea Communication Review magazine please click here Hear from CTO of Korean Telcos 1. Dr. Dongmyun Lee, CTO of KT: Leading 5G through wired/wireless Integration 2. Mr. Changwoo Lee, CTO of LG U+: LG U+'s Mobile Network Evolution Strategies ► 3. Dr. Jingsung Choi, CTO of SK Telecom: SK Telecom's 5G Evolution Strategies Dr....

For the rest of the Q3 2015 issue of Korea Communication Review magazine please click here Hear from CTO of Korean Telcos 1. Dr. Dongmyun Lee, CTO of KT: Leading 5G through wired/wireless Integration ► 2. Mr. Changwoo Lee, CTO of LG U+: LG U+'s Mobile Network Evolution Strategies 3. Dr. Jingsung Choi, CTO of SK Telecom: SK Telecom's 5G Evolution Strategies...

For the rest of the Q3 2015 issue of Korea Communication Review magazine please click here Hear from CTO of Korean Telcos ► 1. Dr. Dongmyun Lee, CTO of KT: Leading 5G through wired/wireless Integration 2. Mr. Changwoo Lee, CTO of LG U+: LG U+'s Mobile Network Evolution Strategies 3. Dr. Jingsung Choi, CTO of SK Telecom: SK Telecom's 5G Evolution Strategies...

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here At Mobile World Congress (MWC) 2015, SK Telecom showcased Quantum Cryptography System (QCS) it had developed for secure data transmission in ultra-capacity, ultra-high-speed networks of 5G era. SK Telecom presented Quantum Cryptography System (QCS) at MWC 2015 Unlike the traditional crypto...

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here As a sequel to the previous post (KT's demonstration of LTE-H and LTE-U), this post will introduce another pre-5G/5G technology, LTE-TDD, showcased by KT at MWC 2015, covering three relevant demonstrations: 9-carrier CA, LTE-UL/DL CA, and triple mode cell. 3. LTE-B (LTE-Beyond) Figure...

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here SKT and LG U+ to create more customer value, and KT to lead technology innovation through standardization...

[Netmanias] Dr. Heung-Ryeol You, General Manager at KT's Network Strategy BU, is in charge of spectrum strategies, and is sharing here what he learned at the 21st ITU-R WP 5D meeting closed early February. One of the main topics at the meeting was the 8 key parameters for 5G. Below let's see what has been discussed at the meeting. Before we begin, we would like to thank Dr. You for shar...

For the rest of the Q1 2015 issue of Korea Communication Review magazine please click here 3. 5G Strategies by LG U+ LG U+, acknowledging service as a more important factor in 5G than speed, is putting more efforts into developing differentiated services than mere technologies competition. That is, it is taking a stance that it would develop 5G services first, and then take care of t...

For the rest of the Q1 2015 issue of Korea Communication Review magazine please click here 2. 5G Strategies by SK Telecom Immediately after KT announced its new vision GiGAtopia in May, 2014, SK Telecom, the No. 1 mobile operator in Korea, also presented ICTnomics (ICT + Economics) designed to integrate ICT into a wide range of industries as the core concept of its 30-year growth plan....

The current systems that we are using now, like 3GPP LTE or LTE-A, are commonly called 4G mobile communication systems. Then, what are 5G mobile communication systems? To discuss 5G, we should first look into what the mega trends in mobile services are these days. [M1. Traffic growth] The biggest trend would be soaring demands for multimedia and social network services witnessed recently. As...