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SK Telecom and Ericsson demonstrated World's First 5G Network Slicing Technology

SK Telecom announced on October 22 that it, jointly with Ericsson, has successfully demonstrated 5G network slicing technology for the first time in the world. During the demonstration that took place in SK Telecom Corporate R&D Center in Bundang, Korea on October 21st, the two companies succeeded in partitioning a physical network into multiple virtual networks, each optimized for the follo...

10/23/2015

10,573

Mobile Network Architecture for 5G Era - New C-RAN Architecture and Distributed 5G Core

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...

10/06/2015

131,962

Netvision Telecom's LTE/Wi-Fi Multipath Aggregation Solution - Instantly upgrade the pe...

About Netvision Telecom Introduction Globally, 4G LTE service has steadily gained popularity since its launch in around 2010, making smartphones the bare necessities of our everyday life. High performance smartphones equipped with new features, some with multimedia processing capability (2160p@30fps) as good as PC, are being released every year. Thanks to the popularity of such high...

10/05/2015

58,889

Reports

Netmanias interview with China Mobile at MWCS 2015: 4G evolution (LTE-Advanced, 4.5G) t...

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...

09/01/2015

58,449

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

71,743

Samsung demonstrates a Trio of 5G Technology Candidates at MWC 2015

Samsung Electronics will demonstrate three key network technologies at Mobile World Congress 2015 in Barcelona, which will pave the way for 5G mobile communications. Each technology focuses on important aspects of the Radio Access Network (RAN) and involves networking innovations that will have a dramatic impact on the capabilities of commercial mobile networks. "We consider 5G to be a tran...

02/26/2015

10,234

LTE IP Address Allocation Schemes II: A Case for Two Cities

Table of Contents 1. Introduction 2. Types of IP Address Allocation 3. Dynamic IP Address Allocaion 4. Static IP Address Allocation 5. Closing 1. Introduction The previous document, IP Address Allocation Schemes I [1], has covered the basic allocation procedures, explaining how an LTE network allocates IP address to a user when the user...

02/17/2015

90,559

LTE IP Address Allocation Schemes I: Basic

Table of Contents 1. Introduction 2. Types of IP Address Allocation 3. Dynamic IP Address Allocaion 4. Static IP Address Allocation 5. Closing 1. Introduction LTE networks are all-IP networks. This means that they deliver all user traffic in IP packets, and provide users with “always-on IP connectivity”. When UE joins a...

02/13/2015

201,823

SK Telecom strengthens Cooperation with Nokia for Development of 5G Technologies

Enters into an MOU with Nokia to jointly develop core 5G network technologies including gigabit-level data transmission technology and next-generation cloud base stations Announced plans to establish a 5G test bed within SK Telecom’s Corporate R&D Center in Bundang, and will jointly develop, verify and demonstrate ‘cmWave/ mmWave 5G technology’ using 6GHz or higher frequency...

01/22/2015

7,321

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

50,436

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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Fierce Competition over World’s first 3-Band CA, first Release Forecast by Year End

Common carriers’ competition intensifies over the world’s first 3-band carrier aggregation (CA) technology commercialization. 3-band CA is a technology to increase speed up to 300 Mbps by aggregating three frequency bands. In January this year, a Korean common carrier succeeded in demonstration for the first time. According to the communications industry, technology commercializ...

11/14/2014

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SK Telecom and Ericsson Develop Smart Wake-Up Technology

SK Telecom and Ericsson Develop Smart Wake-Up Technology Smart Wake-Up Technology decreases interference between base stations and therefore improves data transmission speeds by controlling operation of idle base stations during late night and early morning Improves energy-efficiency of networks by reducing energy waste through intelligent cell operation SK Telecom (NYSE:SKM) today announ...

10/30/2014

7,508

SK Telecom, Ericsson and Qualcomm successfully demonstrate LTE-Advanced Tri-Band Carrie...

SK Telecom, Ericsson and Qualcomm successfully demonstrate LTE-Advanced Tri-Band Carrier Aggregation on Commercial Network. Speeds of up to 300 Mbps achieved with LTE-Advanced (LTE-A) Tri-Band Carrier Aggregation, using three separate and discrete bands Technical achievement enables operators to implement performance improvements across the LTE coverage area Ericsson, SK Telecom and Qualc...

10/16/2014

8,522

SK Telecom's Network Evolution Strategies (2) - Inter-cell Coordination Evolution Strategy

2. Inter-cell Coordination Evolution Strategies CA improves network capacity by broadening frequency bandwidth, whereas inter-cell coordination technologies do the same task by enhancing frequency efficiency. Inter-cell coordination is designed to manage radio resources more efficiently by having cells in different sites share user and/or cell information with each other. Inter-cell coo...

10/13/2014

36,718

SK Telecom and Samsung Electronics jointly developed ‘True Real-Time Mobile Streaming T...

Demonstrated ‘True Real Time Mobile Streaming Technology’ applied with the next generation media transport standard on commercial LTE network for the first time in the world Successfully reduce live video streaming latency on mobile networks by 80 percent Plan to jointly promote global standardization and commercialize the technology within 2015 SK Telecom today announced th...

10/10/2014

7,758

EMM Procedure 8 & 9. Handover and Cell Reselection with TAU

Table of Contents 1. Introduction 2. EMM Case 8. Handover with TAU 3. EMM Case 9. Cell Reselection without TAU 4. EPS Entity Information 5. Closing 1. Introduction When UE accesses the network, a group of Tracking Areas (TAs) is assigned by the network (MME) through the Tracking Area Identity (TAI) list. The UE then can move within these TAs without hav...

05/07/2014

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GSMA RCS Blackbird Overview

Table of Contents 1. Introduction 2. Configuration Provisioning 3. Service Capability Discovery 4. One to One Chat 5. Group Chat 6. File Transfer 7. Geolocation Sharing 8. vCard Exchange 9. Contents Sharing 10. Integrated Messaging 11. IP Voice Call (Voice over Wi-Fi Call) 12. IP Video Call 13. Summary 1. Introductio...

01/22/2014

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Evolution of GSMA RCS standards

Table of Contents 1. Introduction 2. The advent of IP Messaging Service and evolution towards Converged IP 3. OTT vs Operators 4. Joyn 5. Adoption of CPM architecture in RCS 6. RCS r4 and RCSe merged into RCS r5.x 7. SIMPLE IM 2.0 8. CPM 2.0 9. RCS blackbird 10. Summary 1. Introduction When the GSM Association (GSMA) has specified th...

01/21/2014

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