Showing posts with label SK Telecom. Show all posts
Showing posts with label SK Telecom. Show all posts

Monday, October 23, 2017

SK Telecom tests 802.11ax at 4.8 Gbps

SK Telecom has demonstrated a next gen wireless system based on IEEE 802.11ax operating at up to 4.8 Gbps at its Bundang Center lab in South Korea.

The technology uses four antennas to transmit data and uses 160 MHz bandwidth, twice wider than the gigabit Wi-Fi service, and operates in the 2.4 GHz and 5 GHz spectrums. It leverages OFDMA, Multi-user MIMO as well as the Dynamic Sensitivity Control (DSC) technology.

Once the technology is commercially implemented, SK Telecom believe it will play a tremendous role in delivering sufficient wireless access in any dense traffic scenarios. 

“By introducing the technology for the next generation Wi-Fi that can deliver as fast as 5G technology, we at SK Telecom have successfully laid foundation to offer better mobile services,” said Park Jin-hyo, Senior Vice President and Head of Network Technology R&D Center at SK Telecom. Park added, “We are thrilled to work on the preparation on commercializing the technology and continue to innovate our capabilities to provide differentiated services to our customers.”

Tuesday, September 12, 2017

SK Telecom Expands LTE-A Pro Coverage to 75 Cities

SK Telecom has expanded the coverage of its LTE-A Pro services – providing up to 700Mbps to 900Mbps speeds – to 75 cities and 31 counties in Korea. The carrier first activated five-band carrier aggregation LTE-A Pro service in June 2017 and has been expanding aggressively since then.

SK Telecom said subscribers can experience up to 900Mbps data throughput in major commercial districts throughout Korea, including Gangnam, Hongdae, Sinsa (Garosu-gil), Yeouido, Jamsil, Myeondong, Jongno in Seoul; Seomyeon in Busan; Dongseongno in Daegu; Chungjangno in Gwangju; Samsan-dong in Ulsan; Daejeon City Hall; Gochang and Wanju in North Jeolla Province; and Gwangyang, Naju, Boseung, Yeosu, Yeongam and Haenam in South Jeolla Province.

Users will need a premium smartphones embedded with the Exynos 9 mobile chipset, such as the Galaxy S8 and Galaxy Note 8.

http://www.globalskt.com/home/info/2138

SK Telecom and Bharti Airtel form Strategic Partnership

SK Telecom, Korea’s largest telecommunications company, and Bharti Airtel, India’s largest telecommunications services provider, announced a strategic partnership under which Airtel will leverage SK Telecom’s expertise to build the most advanced telecom network in India.

Areas of collaboration include bespoke software to dramatically improve network experience, leveraging advanced digital tools including machine learning, big data and building customized tools to improve network planning based on every customer’s device experience. The two companies will also collaborate to evolve standards for 5G, NFV, SDN and IoT. Network Functions Virtualization (NFV), Software-defined Networking (SDN) and Internet of Things (IoT), and jointly work towards building an enabling ecosystem for the introduction of these technologies in the Indian context.

“SK Telecom is delighted to announce a strategic partnership with Bharti Airtel, a global leading mobile operator,” said Park Jung-ho, the President and CEO of SK Telecom. “SK Telecom will work closely with Bharti to achieve new network innovations so as to deliver a greater value to Bharti’s customers.”

“We are extremely delighted to announce this partnership with the world’s leading operator when it comes to technology understanding and expertise. This partnership will bring a dramatically improved experience to Airtel customers in India by leveraging the expertise of a company that has built one of the best mobile broadband networks in the world,” Said Sunil Bharti Mittal, Chairman of Bharti Airtel.

http://www.globalskt.com

Thursday, August 10, 2017

SK Telecom Develops 5G Repeater

SK Telecom ha developed a 5G repeater that improves signals in blanket/shadow areas by amplifying 5G radio signals. The 5G repeater, which is currently in a field trial Gangnam Station in Seoul, could held reduce or elimiate shadow areas of network coverage.  It works by improving the propagation characteristics of radio signals at super-high/above-6GHz frequency bands.

SK Telecom said the Gangnam area in Seoul is one of the most difficult places to plan/build a network due to the presence of a large number of radio wave obstacles and high-density data traffic.

“SK Telecom is moving closer to launching a commercial 5G network by applying key 5G technologies to our 5G trial network in Gangnam, an area with the highest data traffic,” said Park Jin-hyo, Senior Vice President and Head of Network Technology R&D Center of SK Telecom.

http://www.sktelecom.com/en/press/detail.do?idx=1224

SK Telecom – setting the pace in the 5G race


SK Telecom, South Korea's leading mobile operator by market share, is one of the big players to watch on the global stage for early 5G commercialisation. In fact, a race is on with local rivals KT and LG Uplus to have the first 5G service running in time for the 2018 Winter Olympics, which will be hosted in Pyeongchang, South Korea in February 2018 - only seven months away. Of course, 5G standards are not complete and won't be in time for the Winter...

Monday, July 17, 2017

Korea's SK Telecom achieves 1 Gbit/s with Ericsson LAA

Ericsson announced that SK Telecom, a major mobile operator in South Korea, has tested mobile broadband using Ericsson's Licensed Assisted Access solution, during which it achieved data speeds of up to 1 Gbit/s to smartphones in an indoor environment.

Ericsson noted that Licensed Assisted Access (LAA) technology utilises licensed LTE spectrum and unlicensed spectrum, and in the testing SK Telecom used one LTE 20 MHz band and three WiFi 20 MHz bands, also applying Ericsson's 4 x 4 MIMO functionality in the LTE frequency band. Additionally, Listen-Before-Talk technology was applied to both the WiFi and LTE networks to optimise the utilisation of available spectrum and reduce resource contention.
Using Ericsson's LAA solution, broadband users are able to connect via WiFi automatically to leverage the benefits of LTE. This enables users to access the network more quickly and, when terminating a session, network resources are released more quickly. This helps improve the utilisation of the unlicensed spectrum and service quality.


* Recently, SK Telecom announced that in collaboration with Samsung Electronics and Nokia it had demonstrated 5G communications using the 3.5 GHz band for the first time in Korea. SK Telecom teamed with Samsung Electronics to develop a 3.5 GHz 5G end-to-end network with 5G virtualised core, virtualised RAN, distributed unit (baseband and radio unit) and test device based on 3GPP 5G New Radio (NR) standards elements.

* SK Telecom also worked with Nokia to co-develop 5G base station equipment and test device for the 3.5 GHz spectrum and achieved Gbit/s-level throughput during a field trial held near its Bundang office building through the application of carrier aggregation to increase bandwidth. The two companies also measured link quality (BLER) depending on the distance between a moving vehicle and base station.

* SK Telecom stated that with the successful trials of 3.5 GHz 5G networks, it has secured the essential technologies to deploy 5G networks using above-6 GHz and below-6 GHz frequencies. The company expects that 28 GHz, a potential above-6 GHz frequency in Korea, will support tens of Gbit/s through the use of a wide bandwidth of hundreds of MHz, while the 3.5 GHz band can be used to provide wide area coverage.

SK Telecom commercialises T-MANO NFV

Korea's SK Telecom announced that it has commercialised T-MANO, an NFV MANO (network functions virtualisation management and orchestration) platform that performs integrated management and orchestration of virtualised network equipment and software.

SK Telecom noted that NFV MANO, also termed MANO, provides an architectural framework for managing and orchestrating virtualised network functions (VNFs) and other software components. The new T-MANO solution has been optimised to SK Telecom's network environment, and is based on the ETSI specifications that define the MANO architecture to facilitate the deployment and connection of services as they are decoupled from dedicated physical devices and moved on to virtual machines (VMs).

Prior to the development of T-MANO, SK Telecom stated that it was necessary to develop, build and operate a separate NFV management platform for each network equipment provider due to the fact that each piece of NFV equipment was based on different specifications, depending on the manufacturer.

Leveraging T-MANO, SK Telecom is able to more efficiently utilise its virtualised network equipment by managing service quality and data traffic in an integrated manner, regardless of equipment manufacturer, while improving the overall service quality through responding flexibly to service failures and errors.

The solution also enables the company to significantly reduce the time required to set up new equipment and provide a new service as it can upgrade the whole system at once, as opposed to upgrading each system separately as was necessary previously.

SK Telecom intends to leverage T-MANO to expand the telecommunications infrastructure ecosystem by opening up the APIs of T-MANO so that the industry can use it to build virtualised network equipment or software.

The company will first apply T-MANO to its virtualised VoLTE (HD Voice) routers, and then plans to expand its application to the virtualised LTE evolved packet core (EPC) and additional equipment including MMS Servers. SK Telecom stated that in 2017, virtualised EPC will account for around 80% of newly-deployed EPC equipment, while from 2019 it intends to deploy only virtualised EPC solutions.

In the field of NFV, SK Telecom has also commercialised an international standards-based NFV system orchestrator, named T OVEN, that was unveiled in 2015, and applied NFV technology to its base station equipment in September 2016.

Friday, June 23, 2017

SK Telecom – setting the pace in the 5G race

SK Telecom, South Korea's leading mobile operator by market share, is one of the big players to watch on the global stage for early 5G commercialisation. In fact, a race is on with local rivals KT and LG Uplus to have the first 5G service running in time for the 2018 Winter Olympics, which will be hosted in Pyeongchang, South Korea in February 2018 - only seven months away. Of course, 5G standards are not complete and won't be in time for the Winter Olympics, which means that network planners will be rushing to show off systems that have barely been tested. Sceptics will say that 5G demos at Pyeongchang are likely to be very limited in their footprint and perhaps only 4.5G rather than truly next gen. However, SK Telecom has a track record of being first with many networking technologies, extending back to its earliest days in CDMA.

Background

South Korea's mobile market is one of the most mature in the world. There are three dominant mobile operators: SK Telecom (approximately 49% share), KT and LG Uplus. Mobile penetration has exceeded 110% for years. The majority of users are on subscription-based plans, rather than prepaid, and churn is relatively light compared to other countries.

SK Telecom, part of the SK Group conglomerate (chaebol), was founded in 1984 and has a CDMA network architecture heritage. For its most recently reported fiscal quarter, SK Telecom posted revenue of KRW 4.234 trillion, operating income of KRW 410.5 billion, basically flat from a year earlier, and net income of KRW 583.5 billion, up 2.1 %YoY. As of the end of March 2017, SK Telecom had 21.65 million LTE subscribers, representing a 10.9% YoY growth, and taking up 72.6% of the company's total mobile subscriber base of 29.83 million. ARPU was KRW 34,927 ($31.04), down 2.9% YoY. SK Telecom also operates the Cyworld social network and virtual reality service as well as the Nate-on messaging application.

First in Carrier Aggregation

This week, SK Telecom announced the launch of LTE-A Pro service, which it described as the last stage of LTE evolution. The service footprint covers the main areas of six major cities: Seoul, Busan, Daegu, Gwangju, Daejeon and Ulsan. The initial LTE-A Pro service uses three-band/four-band carrier aggregation (CA) to deliver rates of up to 700 Mbit/s. When 4 x 4 MIMO is added, the service accelerates to 900 Mbit/s. SK Telecom plans to scale up LTE-A Pro further using five-band CA with 4 x 4 MIMO to achieve 1.2 Gbit/s peak rates. The first mobile device to support the LTE-A Pro service is Samsung’s Galaxy S8. An over-the-air firmware update will be needed to support the additional CA bands.

SK Telecom's spectrum resources include 10 MHz bandwidth in the 800 MHz band, 20 MHz bandwidth in the 1.8 GHz band, 10 MHz bandwidth in the 2.1 GHz band, 10 MHz + 20 MHz bandwidths in the 2.6 Ghz band.

Peak speeds of 700 Mbit/s and up on a mobile phone are certainly impressive. Actually, SK Telecom has been delivering a 500 Mbit/s mobile service since June 2016 using 256QAM combined with tri-band CA. Four years ago, in June 2013, SK Telecom launched the  first LTE-A service, which boasted download speeds of up to 150 Mbit/s, which is two times faster than its regular LTE service and 10 times faster than its 3G network. This was achieved using CA across two 10 MHz channels, along with the first Coordinated Multi Point (CoMP) implementation. Samsung's Galaxy S4 handset, which was the latest and greatest model in the summer of 2013, was the starring device for this milestone service launch as well.

Many world capitals today have yet to attain the 150 Mbit/s performance peaks offered in Seoul four years ago. But surprisingly, SK Telecom's LTE adoption rate amongst is 29.8 million mobile subscribers was only 72%, or 21.6 million users, as of March 2017. This means that even for a mobile operator with the most advanced network in the world, a significant percentage of users are laggards when it comes to updating to the latest service.

Recently, SK Telecom gained recognition for two other technology innovations: 5G mmWave Handover and a Green Scheduler with Lean Carrier algorithm. Both advances won Global Telecoms Business (GTB) Innovation Awards last month. The 5G mmWave handover technology, developed with Samsung, supports Gbit/s-level performance using multiple mmWave 5G base stations. The companies used the Ray Tracing method to calculate the optimal location of mmWave base stations. SK Telecom and Samsung also cited their work in 3D beamforming to resolve attenuation of radio signals in mmWave frequencies. The Green Scheduler with Lean Carrier technology, which was developed in partnership with Ericsson, enhances network energy efficiency while reducing signal interference.

With Ericsson, SK Telecom is also known to be working on a 5G connected car program. Earlier this year, SK Telecom, Ericsson and BMW Korea achieved a peak rate of 3.6 Gbit/s for a connected vehicle travelling at a speed of 170 km per hour. To pull this off, the three companies deployed the world largest mmWave 5G trial network using the 28 GHz band. Beamforming and beam tracking technologies were used to optimise the connection to the speeding car.

Leaping ahead in quantum technologies

To further illustrate its interest in pushing technological boundaries, SK Telecom signed separate research partnerships earlier this year with Nokia and Deutsche Telecom focused on quantum cryptography. The first partnership will match SK Telecom's Quantum Key Distribution System (QKD) with Nokia’s next-generation optical transport system. The first prototype was shown at Mobile World Congress in February.

Nokia and SK Telecom are also collaborating on a Quantum Random Number Generator (QRNG), which is seen a key technology for applying quantum cryptography technologies to IoT devices. SK Telecom has developed what it claims to be the world’s smallest 5 x 5 mm CMOS Image Sensor (CIS) based all-in-one, single silicon (ASIC) for providing non-deterministic true random numbers on demand from quantum-shot noise. The plan is to commercialise the technology to enable secure IoT.

SK Telecom's Quantum Alliance with Deutsche Telekom is more open. At this stage, the agreement aims to the channels of communications open between carriers and vendors when it comes to quantum technologies. The official statement from the company, by, Cha In-hyok, EVP and head of IoT business division, states:

    “Committed to building a quantum-safe future, SK Telecom has been actively developing quantum cryptography technologies since 2011. SK Telecom believes that the co-establishment of the Quantum Alliance with Deutsche Telekom will bring us closer to realizing this goal, while also creating new valuable business opportunities in areas including quantum-safe communications, the Internet of Things and big data. It will work together to accelerate the growth of quantum-based cybersecurity technologies and its ecosystem".


Thursday, March 2, 2017

SK Telecom and Deutsche Telekom Launch Quantum Alliance for Secure Communications

SK Telecom of Korea and Deutsche Telekom announced at MWC 2017 that they have established the Quantum Alliance, designed to enable secure communication in the quantum computing era.

The companies noted that with industrial espionage and cyber-attacks a growing threat, plus the prospect in the near future that quantum computing could enable the cracking of existing encryption algorithms, today's common cryptography methods could become ineffective, meaning that server access, data links and documents, and the Internet as a whole, could be insecure and easily accessible.

In an effort to address this, SK Telecom and Deutsche Telekom have founded the Quantum Alliance, intended to ensure communications remain secure and with the primary objective of establishing the technical prerequisites for secure communications into the future. The partners believe that to achieve this network operators and hardware manufacturers will need to work together to define and implement common, global technical standards.

As a second step, the Quantum Alliance will seek to develop flexible services and security solutions that maintain secure communications. In the medium-term, the alliance has a target of developing, testing and delivering products that enable secure communications in the age of quantum computing.


As part of the initiative, SK Telecom and Deutsche Telekom are committed to recruiting partners for the alliance over the coming months, and plan to approach network operators, network equipment makers, device manufacturers and software vendors. Working with the new partners, the companies then plan to create a detailed action plan for how to proceed.

Recently, SK Telecom and Deutsche Telekom (DT), working with Ericsson, announced a joint demonstration of an intercontinental 5G trial network providing network slices in each operator's footprint covering South Korea and Germany. The demonstration was hosted at DT's corporate R&D centre in Bonn, Germany and the SK Telecom 5G Testbed at Yeongjong-do (BMW driving centre) in Korea, and followed the announcement of a collaboration on 5G at MWC Shanghai 2016.

The partners noted at the time that at MWC 2017 they would demonstrate the creation and management of federated network slices in a NS-as-a-Service (Network Slice as a Service) model.

http://www.sktelecom.com

Tuesday, December 20, 2016

Qualcomm, Ericsson, SK Telecom Set 5G NR Trials

Ericsson, Qualcomm, and SK Telecom will conduct interoperability testing and over-the-air field trials in the second half of 2017 based on 3GPP's 5G New Radio (NR) standards, which utilize wide bandwidths available at higher frequency bands to increase network capacity and achieve multi-gigabit per second data rates.

The first 3GPP 5G NR specification that will be part of Release 15 - the global 5G standard that will make use of both sub-6 GHz and mmWave spectrum bands.

The companies said the upcoming trials will employ 3GPP 5G NR Multiple-Input Multiple-Output (MIMO) antenna technology with adaptive beamforming and beam tracking techniques, including non-line-of-sight (NLOS) environments and device mobility. It will also make use of scalable OFDM-based waveforms and a new flexible framework design that are also part of the 5G NR specifications. The trials are expected to yield valuable insight into the unique challenges of integrating 5G NR technologies into mobile networks and devices.

"As we did in both 3G and 4G, we are excited about collaborating with leading operators and industry stakeholders such as Ericsson and SK Telecom to accelerate the path to 5G," said Matt Grob, executive vice president and chief technology officer, Qualcomm Technologies, Inc. "The roadmap of 5G technologies is incredibly complex, and trials based on the global 3GPP 5G standard, such as this, are critical to continuing our long history of leadership integrating advanced wireless technologies in form-factor accurate devices to ensure timely deployment of 5G networks."

"As 5G rapidly gains momentum, a globally agreed and unified standard becomes imperative to achieve early commercialization of 5G and build an efficient ecosystem around it," said Alex Jinsung Choi, EVP, Chief Technology Officer, SK Telecom, "As 3GPP NR is a global 5G standard, we are delighted to announce early 3GPP NR trials with leading 5G players, Ericsson and Qualcomm, with which we have made remarkable world's first footprints in the past with previous generations of groundbreaking mobile technologies.."

http://www.ericsson.com
http://www.qualcomm.com

SK Telecom Selects Coriant 100G for New Undersea Link

SK Telecom has selected a Coriant submarine solution to extend 100G connectivity to Ulleungdo Island, which lies off the east coast of Korea.

The deployment will use the Coriant hiT 7300 Multi-Haul Transport Platform and Coriant Transport Network Management System (TNMS).

"Uncompromising quality is critical in today’s transport networks as they scale to support ever-increasing amounts of customer traffic," said Petri Markkanen, General Manager and Vice President of Sales, Asia Pacific, Coriant. "Following rigorous testing for this submarine application, SK Telecom selected the Coriant hiT 7300 submarine solution for its superior 100G reach and performance, as well as proven features including flexible configuration, advanced optical link control, and integrated RAMAN amplification."

http://www.coriant.com

Sunday, August 21, 2016

DT and SK Telecom Target First Transcontinental 5G Trial

Deutsche Telekom and SK Telecom are aiming to deploy the world’s first transcontinental 5G trial network.

The operators said they plan interoperable network architecture in South Korea and Germany based on key 5G technologies such as NFV, software-defined infrastructure (SDI), distributed cloud and network slicing. The principal aim is to enable global reach for advanced 5G use cases by optimizing user roaming experiences.

Earlier this year at MWC in Barcelona, DT and SK Telecom announced a research partnership for 5G

“We are collaborating with a good mix of industry participants including AT&T, Huawei, Nokia, Ericsson, Qualcomm Technologies, Inc. and Samsung to make the vision of a common worldwide standard come true right in time. From our point of view, the next release of the official 3GPP specifications are set to form the basis of 5G,” says Bruno Jacobfeuerborn, CTO Deutsche Telekom AG.

“5G is making its way forward much faster than initially expected. For 5G to be successful, early harmonization and standardization are essential. SK Telecom and DT started initial collaboration on 5G technologies and are now expanding the scope with a larger group of relevant stakeholders to promote early harmonization and expansion of the 5G ecosystem. We strongly believe that this will serve as a foundation for future standardization activities,” said Alex Jinsung Choi, CTO and Head of Corporate R&D Center, SK Telecom.

https://www.telekom.com/media/company/320674

#MWC16: Ericsson and SKtel Plan 5G Field Trial This Year


SK Telecom is working with Ericsson to build an end-to-end 5G trial network by the end of this year. The companies recently achieved peak downlink throughput of over 25 Gbps with Ericsson 5G Radio Prototypes  They have also previously demonstrated 5G network slicing. Park Jin-hyo, Senior Vice President and Head of Network R&D Center at SK Telecom, says: “SK Telecom is focused on technology innovations that will ensure the early success...

Monday, February 22, 2016

#MWC16: NGENA Targets Multicarrier NFV Services Enabled by Cisco

A new Next Generation Enterprise Network Alliance (“ngena”) plans to launch international network services for business customers in the first half of 2017. Founding members include CenturyLink, Deutsche Telekom, Reliance and SK Telecom. The alliance envisions more than 20 additional service provider partners at full global deployment.

Ngena will provide a global service catalogue to its alliance partners, enabling them to deliver a unique network service experience for enterprise customers – a high performance service in terms of speed, flexibility, security and quality. The alliance will leverage NFV for network efficiency and end-to-end service automation. The alliance partners will be able to deliver full international VPN functionality, Application Performance Management (APM), WAN/LAN management and optimization up to additional built in services such as Unified Communication & Collaboration (UCC), advanced security services, platform APIs for adoption of industry-specific use cases (e.g. WLAN analytics for retail).

Alliance partners will use Cisco's cloud and virtualization technologies.

“Complex individual contracts and ordering processes have no place in a digitized world. Services based alone on the public Internet are not secure or reliable enough for real-time applications such as logistics, manufacturing and telemedicine. A network without sufficient service quality is a risk that customers do not want to take. That’s why our alliance aims to provide multinational enterprise customers with a secure, powerful, global network service faster than before,” said Timotheus Höttges, CEO Deutsche Telekom AG.

“In today’s digital economy, strategic partnerships are more critical than ever to drive fast innovation. NGENA is a pioneering alliance among leading Service Providers to deliver globally consistent, cost-effective and flexible services, allowing them to deliver better experiences at a faster pace. Cisco is committed to the success of our Service Provider customers and is honored to play a part in connecting them across global boundaries, which will allow businesses and their customers to capitalize on the unprecedented opportunities in the digitized world,” said Chuck Robbins, CEO Cisco.

http://www.ngena.net/

Saturday, February 20, 2016

#MWC16: Ericsson and SKtel Plan 5G Field Trial This Year

SK Telecom is working with Ericsson to build an end-to-end 5G trial network by the end of this year.

The companies recently achieved peak downlink throughput of over 25 Gbps with Ericsson 5G Radio Prototypes  They have also previously demonstrated 5G network slicing.

Park Jin-hyo, Senior Vice President and Head of Network R&D Center at SK Telecom, says: “SK Telecom is focused on technology innovations that will ensure the early success and rapid adoption of new 5G services for our customers and we are collaborating on end to end 5G field trials with Ericsson. By leveraging MU-MIMO, Massive MIMO and beam tracking, we are clearly demonstrating peak throughput of more than 25 Gbps that shows the commercial viability of millimeter wave band spectrum for 5G.”

SK Telecom is a long-time Ericsson customer.

http://www.ericsson.com

Ericsson Demos 5G Network Core Slicing with SK Telecom

Ericsson demoed 5G network slicing at an event held by SK Telecom in Korea.  The demo showed a single physical network being partitioned into multiple virtual networks to offer optimal support for different types of services for different types of customer segments. The instantiation of the network slicing used the NFV-based Ericsson Virtual Evolved Packet Core (EPC).

By using logical instead of physical resources, Ericsson says operators could provide networks on an as-a-service basis, which enhances operational efficiency while reducing time-to-market for new services.

Ericsson and SK Telecom also plan to build the world’s first hyperscale datacenter for 5G based on Ericsson’s pioneering HDS 8000

Friday, October 30, 2015

Ericsson Demos 5G Network Core Slicing with SK Telecom

Ericsson demoed 5G network slicing at an event held by SK Telecom in Korea.  The demo showed a single physical network being partitioned into multiple virtual networks to offer optimal support for different types of services for different types of customer segments. The instantiation of the network slicing used the NFV-based Ericsson Virtual Evolved Packet Core (EPC).

By using logical instead of physical resources, Ericsson says operators could provide networks on an as-a-service basis, which enhances operational efficiency while reducing time-to-market for new services.

Ericsson and SK Telecom also plan to build the world’s first hyperscale datacenter for 5G based on Ericsson’s pioneering HDS 8000

Ulf Ewaldsson, Chief Technology Officer, Ericsson, says: “As Ericsson’s demonstration with SK Telecom shows, the development of 5G has reached a very exciting phase. Success with network slicing technology is critical to enable networks to become innovation platforms for new types of applications and thereby meet the future expectations of people, business and society.”

http://www.ericsson.com/news/151029-ericsson-and-sk-telecom_244069644_c

Thursday, October 29, 2015

5G Trial Hits 19.1 Gbps Using Nokia's cmWave technology

Nokia Networks and SK Telecom reported an over-the-air transmission speed of 19.1 Gbps.

The joint 5G trial in South Korea used Nokia's cmWave technology, 256 quadrature amplitude modulation (QAM), 8x8 Multiple-Input Multiple-Output (MIMO) transmission and 400 MHz of bandwidth. This capacity would enable over-the-air delivery of a full-HD movie in a matter of seconds.  

Some highlights of the trial from Nokia:

  • Demonstrates access point sending downlink transmission over the air and receiving it at the mobile terminal
  • Evaluates radio channel performance at cmWave frequency band
  • Provides runtime feedback while moving the mobile terminal or blocking paths between the access point and the terminal

"With the world's first demonstration of the cmWave technology, we have reached a significant milestone towards realizing 5G. The 19.1Gbps transmission speed we achieved almost meets one of the key capabilities of 5G defined by the ITU-R. SK Telecom will continue to work closely with Nokia Networks to maintain this momentum towards creating a new era of communications," stated Alex Jinsung Choi, Chief Technology Officer, SK Telecom.

http://company.nokia.com/en/news/press-releases/2015/10/30/sk-telecom-and-nokia-networks-achieve-191-gbps-over-the-air-in-joint-5g-trial

Nokia Unveils 5G "System-of-Systems" Architecture


Nokia Networks unveiled its programmable 5G architecture with the ability to reshape radio and core networks in real time to adapt to changing demands.  The goal is to enable Network-as-a-Service for operators to offer network functions to other industries. The announcement outlines key principles of this architecture and its suitability to address a variety of 5G use cases. In a nutshell, Nokia will leverage the concept of network slicing...

SK Telecom and Nokia Collaborate on 5G


SK Telecom and Nokia signed a Memorandum of Understanding (MOU) to collaborate on the development and verification of 5G mobile technologies. The companies will conduct joint research on core 5G technologies such as the gigabit-level data communications and cloud-based virtualized base stations. They plan to establish a test bed at SK Telecom’s R&D Center in Bundang, Seoul. One area of R&D will be cmWav

Monday, July 27, 2015

Ericsson and SK Telecom Collaborate on 5G Network Core Slicing

Ericsson and SK Telecom have signed agreed to collaborate on the development of a 5G core network that deploys network slicing technology.  The idea behind slicing is to use logical instead of physical resources to provide networks on an as-a-service basis. The instantiation of the network slicing will use the Ericsson Virtual Evolved Packet Core solution.

The companies are building a test bed using Ericsson’s HDS 8000 Hyperscale Datacenter System and its Regional Cloud Lab,which is distributed across four sites in North East Asia including Anyang in South Korea, Beijing and Shanghai in China, and Tokyo in Japan.

“Virtual network architecture, including network slicing, is critical to supporting new services in the era of 5G. We will build an optimal network for a wide array of services from the overall end-to-end standpoint, and pioneer the evolution of innovative networks,” says Alex Jinsung Choi, Chief Technology Officer at SK Telecom.

“Network slicing, based on virtual evolved packet core, is an important part of the technology evolution of 5G, supporting operators with a new, broader set of services. It is important that we work together in the industry on this journey”, says Ulf Ewaldsson, CTO, Ericsson.

http://www.ericsson.com

Tuesday, July 14, 2015

SK Telecom Deploys Accedian's Performance Monitoring

Accedian Networks announced the deployment of its performance monitoring solution across the SK Telecom mobile network -- encompassing 12,000 locations across the six largest cities in South Korea.

Accedian's virtualized solutions collect precise network performance indicators in real time from SK Telecom's existing network infrastructure, as well as from Accedian's NFV-based (network function virtualization) performance assurance modules. SK Telecom operates a multi-vendor network, ensuring each supports the RFC-5357 two way active measurement protocol (TWAMP), a vendor-independent, global performance monitoring standard. Accedian's centralized monitoring solution acts as a uniform instrumentation layer, centralizing a real-time view of network performance throughout the network. Where access equipment lacks TWAMP standards support, SK Telecom installs Accedian's Nano smart SFP modules to ensure ubiquitous network coverage from end-to-end.

Accedian said SK Telecom plans to extend coverage to all sites serving over 28 million subscribers nationwide. T

"At SK Telecom, best-possible quality of customer service and experience is at the heart of our reputation and our business," stated Choi, Seung-won, Senior Vice President and Head of Network Solution Office, SK Telecom. "Partnering with Accedian helps us ensure the highest levels of QoS and QoE, which is particularly important as we continue to extend our network towards 5G, and to expand coverage with small cells, making the need for 24x7 end to end network visibility critical. Accedian's performance monitoring solutions make this possible. SK Telecom selected Accedian's TWAMP performance assurance solution specifically as the quality indicator and standard for LTE business-to-business networks."

"SK Telecom is a premier example of a mobile service provider pushing network performance and technology to the limit," stated Accedian Founder, President, and CEO, Patrick Ostiguy. "They are early adopters and innovators, and their efforts result in the extremely high levels of service and experience quality their customers have come to expect. Accedian is honored to help support their performance assurance objectives through our comprehensive solutions, built with providers like SK Telecom in mind."

http://www.accedian.com
http://www.sktelecom.com




Blueprint: 5G and the Need For SDN Flow Optimization


by Scott Sumner, VP Solutions Development and Marketing, Accedian Networks As more subscribers run bandwidth-intensive applications from a variety of devices, mobile access networks are increasingly strained to maintain quality. According to Ericsson, annual mobile traffic throughput is predicted to increase from 58 exabytes in 2013 to roughly 335 exabytes by 2020. It’s clear that brute-force bandwidth over-provisioning is no longer an economically...


Monday, June 29, 2015

SK Telecom and Nokia Target 5G R&D

SK Telecom and Nokia Networks announced the opening of a 5G research and development center at Nokia Networks' Korean office. The center will serve as a venue where researchers from the two companies will study and develop core 5G technologies, including gigabit-level data transmission technology and cloud-based virtualized base stations. Moreover, SK Telecom and Nokia Networks will open a test bed within the end of 2015 to verify and demonstrate 5G technologies.

The companies said they have successfully verified the performance of the co-developed “user plane and control plane separation technique,” one of the key enabling technologies for hybrid core network architecture for 5G.

“SK Telecom is spearheading the efforts to develop 5G enabling technologies and architecture to flawlessly support high-speed transmission of massive data, including immersive multimedia contents,” said Alex Jin-sung Choi, the Chief Technology Officer of SK Telecom. “We will continue to work closely with Nokia Networks to optimize network architecture in preparation for the 5G pilot service demonstration in 2018.”

http://www.sktelecom.com/en/press/detail.do?idx=1127


Sunday, March 1, 2015

SK Telecom Deploys LTE Small Cells with Carrier Aggregation

SK Telecom, Korea's largest telecommunications company, has selected Broadcom's latest small cell system-on-chip (SoC) devices with carrier aggregation technology to enhance its high-speed 4G LTE services.  SK Telecom aims to be the first carrier to deploy LTE small cells capable of aggregating two non-contiguous bands, thus increasing bandwidth and data throughout its LTE network.

"SK Telecom is making constant efforts to enhance our LTE network and offer a wider range of value added services to our mobile customers," said Park Jin-hyo, SK Telecom Senior Vice President and Head of the Network Technology R&D Center.  "As a result of Broadcom's superior capabilities in small cell chipset innovation, we can deliver the seamless mobile experience our subscribers have come to expect."

Broadcom’s BCM61765 SoC supports both inter-band and intra-band Carrier Aggregation services in both TD-LTE and FD-LTE concurrently.

http://www.broadcom.com

Thursday, January 22, 2015

SK Telecom and Nokia Collaborate on 5G

SK Telecom and Nokia signed a Memorandum of Understanding (MOU) to collaborate on the development and verification of 5G mobile technologies. The companies will conduct joint research on core 5G technologies such as the gigabit-level data communications and cloud-based virtualized base stations. They plan to establish a test bed at SK Telecom’s R&D Center in Bundang, Seoul.

One area of R&D will be cmWave/mmWave technology, which uses wideband spectrum resources in ultra-high frequency bands (6GHz or higher).

At the MoU signing ceremony at Nokia’s Headquarters in Finland,, the two companies announced plans to demonstrate 5G in 2018 and commercialize 5G service in 2020.

“The future of mobile telecommunications network will not only connect people, but things as well. In the end, 5G will further extend human potential through advanced telecommunications technologies,” said Hossien Moiin, Head of Technology and Innovation at Nokia. “Together with SK Telecom, Nokia will make efforts to allow diverse futuristic services to be efficiently provided through 5G technologies.”

Meanwhile, in June 2014, SK Telecom has signed an MOU with Nokia to cooperate on the development of technologies including virtualization, software-based network establishment and next-generation cloud network management, all of which are critical in developing base stations for the 5G network.

http://www.sktelecom.com/en/press/detail.do?idx=1099


  • In November 2014, Nokia and SK Telecom demonstrated base station virtualization technology (Cloud vRAN).
  • In July 2014, SK Telecom announced a 5G development pact with Ericsson.

See also