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Netmanias Interview with KT at MWC 2015: KT's demonstrations of LTE TDD (9-carrier CA,...

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...

03/31/2015

79,602

Tech-Blog

Netmanias Interview with KT at MWC 2015: KT's demonstrations of LTE-H and LTE-U

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here At Barcelona's Mobile World Congress (MWC) 2015, KT demonstrated a variety of new 5G, Hetnet and IoT technologies and services. Of all those presented, below we will focus on our most interested topics, WiFi-related pre-5G technology, LTE-Hetnet (LTE-H) and LTE-Unlicensed (LTE-U), and see how t...

03/30/2015

102,169

Tech-Blog

CEOs of Korea's big 3 took different stances on 5G. Why?

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...

03/19/2015

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Netmanias Interview with Contela at MWC 2015: Contela integrated Smallcell technology i...

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here Contela, a leading Smallcell solution provider based in Korea, introduced its new Smallcell solutions at MWC 2015. The company has provided SK Telecom, a Korean network operator, with LTE Femtocell solutions through years of cooperation with SK Telecom. At MWC, Contela presented three wire...

03/18/2015

37,708

Tech-Blog

6 things you should know about enterprise WLAN

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...

03/12/2015

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Netmanias Interview with HFR at MWC 2015 (In-building DAS, Fronthaul, Backhaul)

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here HFR, a Korean specialist in Optical and Radio Networking technologies, presented its newest In-building DAS, C-RAN Fronthaul and Carrier Ethernet solutions at Mobile World Conference (MWC) 2015. 1. In-building DAS HFR unveiled uRadioTM (DRS product), an upgraded version of its precedent In-buil...

03/12/2015

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Captive portal-based user authentication in KT, SK Telecom and LG U+'s Wi-Fi hotspots

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...

03/10/2015

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Tech-Blog

Key Parameters for 5G Mobile Communications [ITU-R WP 5D Standardization Status]

[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...

03/06/2015

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Why do we need antenna-integrated RRH (Remote Radio Antenna, RRA)?

For the rest of the Q2 2015 issue of Korea Communication Review magazine please click here Contents 1. Background of Antenna-Integrated RRH 2. Features of Antenna-Integrated RRH 3. Outlook for the Antenna-Integrated RRH Market 4. Installation Issues in the Small Cell Market * RRA is a brand name of antenna-integrated RRH by the author's company 1. Background of Antenna-...

03/02/2015

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IEEE 802.1X-based user authentication in KT, SK Telecom and LG U+'s Wi-Fi networks

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...

02/26/2015

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Korean big 3, getting ready for 5G SK Telecom, KT and LG U+ (3): LG U+

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...

01/27/2015

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Korean big 3, getting ready for 5G SK Telecom, KT and LG U+ (2): SK Telecom

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....

01/20/2015

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Tech-Blog

Concept and Characteristics of 5G Mobile Communication Systems (1)

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...

01/15/2015

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Korean big 3, getting ready for 5G SK Telecom, KT and LG U+ (1): KT

For the rest of the Q1 2015 issue of Korea Communication Review magazine please click here In Korea, LTE service began back in July 2011. Then in June 2013 when LTE subscription exceeded 40% of the nation's total mobile subscription, LTE-A was commercialized for the first time in the world. Here are some facts about Korea's LTE. As of December 2014, i) Korea recorded an LTE sub...

01/14/2015

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[Sponsor Content] Ethernet access at 10 Gbps - 10G is now where it’s at!

Executive Summary The MetroEthernet Forum (MEF) has defined and promoted Carrier Ethernet, a set of Ethernet-based carrier services. These services allow subscribers such as enterprises, research institutions, schools, and wireless carriers to achieve Ethernet-based connectivity over a wide-area network. Network Interface Devices (often called NIDs) are becoming the norm at the User-Network I...

01/12/2015

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Now giga Internet service available from all the Korean big 3 operators

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 The 'giga Internet era' has just begun, finally offering speeds of 1 Gbps - 10 times faster than the 100Mbps. For the past 7 ~ 8 years, the maximum Internet speeds for all access networks (FTTH, LAN and XDS...

12/18/2014

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[MEF Seminar VoD] Carrier Ethernet 2.0 Revolution – Seoul Korea (Part II)

Carrier Ethernet 2.0 Revolution – Seoul Korea Date: December 10, 2014 Location: Seoul, Korea Hosted by HFR and SDH This seminar from the MEF brings a new local and global perspective on the world’ most successful network service deployment over the last decade: Carrier Ethernet. It features an in depth look at Carrier Ethernet 2.0 (CE 2.0) services,...

12/18/2014

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[MEF Seminar VoD] Carrier Ethernet 2.0 Revolution – Seoul Korea (Part I)

12/18/2014

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Debates on LTE-Unlicensed and Wi-Fi (KT, SK Telecom, Qualcomm, etc.)

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...

11/28/2014

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World IT Show 2014: SK Broadband/SK Telecom's Gigabit Internet Access Network

SK Broadband & SK Telecom (SK) introduced various gigabit Internet access network solutions at the World IT Show 2014 held in Busan on October 20th. SK noted that the new solutions will be able to provide a bidirectional Internet speed of 1 Gbps per user. The company has been offering Internet services including LAN, FTTH, HFC and XDSL to its 4.7 million subscribers. At the show, the compan...

10/31/2014

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