SK Telecom Launches Five-band Carrier Aggregation and 4X4 MIMO

Roadmap for SK Telecom’s 4.5G network speed

SK Telecom has launched commercial five-band Carrier Aggregation (CA) and 4X4 MIMO, which are key technologies of LTE-A Pro. Five-band CA is a core LTE-A Pro technology that enhances data transmission speed and performance by aggregating five component carriers. 

SK Telecom Demonstrates LTE-Advanced Five- Band Carrier Aggregation on its Commercial Network

SK Telecom - LTE-Advanced Five- Band Carrier Aggregation

SK Telecom has successfully tested LTE-Advanced (LTE-A) five-band carrier aggregation (CA) on its commercial network. SK Telecom’s bandwidth resources as of February 2017 are 10MHz bandwidth in the 800MHz band, 20MHz bandwidth in the 1.8GHz band, 10MHz bandwidth in the 2.1GHz band, 10MHz + 20 MHz bandwidths in the 2.6Ghz band.

SK Telecom and Nokia Develop Mission-Critical Push-To-Talk (MCPTT) Solution Over VoLTE

SK Telecom and Nokia Develop Mission-Critical Push-To-Talk (MCPTT)

SK Telecom and Nokia have announced joint development of “Mission-Critical Push-To-Talk (MCPTT) solution, which is a next-generation push-to-talk communications technology over VoLTE, and demonstrated the solution at Nokia's Research and Development Center in Kraków, Poland.

Ericsson, Qualcomm and SK Telecom to Collaborate on 5G NR Trials

Ericsson

Ericsson, Qualcomm Technologies, Inc., a subsidiary of Qualcomm Incorporated, and SK Telecom plan to conduct interoperability testing and over-the-air field trials based on 5G New Radio (NR) standards being developed based on specifications in 3GPP.

Ericsson, Sony Mobile and SK Telecom trial IoT wearables over LTE

The Internet of Things, or IoT, is driving new use cases for wearables, including lifestyle and wellness apps, requiring more diverse device support on mobile networks.

SK Telecom Sign MOU with Nokia for Development of 5G Technologies

SK Telecom

South Korea's SK Telecom has signed a Memorandum of Understanding (MOU) with Nokia on January 21, 2015, to work together to lead the development and verification of the fifth-generation (5G) mobile network technologies.

SK Telecom Commercializes Tri-band LTE-A Carrier Aggregation

SK Telecom

South Korean carrier SK Telecom is now offering tri-band LTE-Advanced commercial service with Carrier Aggregation technology.

SK Telecom Enables 2G and 3G Service Using LTE Network

SK Telecom

South Korea's operator SK Telecom has successfully commercialized 2G and 3G services through LTE network. Named ‘2G/3G over LTE,’ the technology enhances the stability of 2G/3G mobile networks by utilizing LTE network as backhaul instead of fixed-line 2G/3G infrastructure. 

SK Telecom's LTE/LTE-Advanced Subcriptions Surpasse 16 Million

SK Telecom

SK Telecom's revenue rose by 5.9% year-on-year (YoY) and 1.4% quarter-on-quarter (QoQ) backed by increase of the LTE/LTE-Advanced subscribers, company reported today.

SK Telecom 5G White Paper

Expecting the era of 5G to arrive in 2020, the SK Telecom white paper outlines analysis, direction and methodologies of 5G network explaining vision, core technologies, services, requirements and spectrum.

SK Telecom and Ericsson Demonstrate Elastic Cell Technology

Elastic Cell Technology

SK Telecom and Ericsson have successfully demonstrated the Elastic Cell technology on July 21. According to SK Telecom, Elastic Cell is expected to become a key technology for 5G. Demonstrating data transfer rate improved by up to 50 percent at the cell-edge, SK Telecom aims to commercially launch the technology by 2016.

Nokia and SK Telecom Demonstrate 3.78 Gbps Using TDD-FDD Carrier Aggregation

NSN Flexi BTS

Nokia and SK Telecom have reached a throughput speed of 3.78 Gbps by aggregating 10 spectrum frequencies allocated for both LTE variants for a 200 MHz of bandwidth. Earlier Nokia has demonstrated 2.6 Gbps TD-LTE throughput in February 2014 with US operator Sprint.

SK Telecom Expands 2.1GHz Base Stations to Commercialize 3 Band LTE-Advanced Networks

SK Telecom

South Korea's SK Telecom has started expanding installation of base stations to use 10MHz bandwidth from 2.1GHz band for LTE from May 7 in certain areas in Seoul, Gwangju and Busan. The company already built an LTE test-bed for 2.1GHz band in Busan last February.

SK Telecom Introduces Unlimited LTE Data Plans

SK Telecom

South Korean carrier SK Telecom will introduce three different unlimited LTE data plans that will allow unlimited amount of LTE data, voice calls, text messages and membership services from April 3.

SK Telecom to Expand LTE and LTE-Advanced Networks

SK Telecom

SK Telecom has announced plans to build additional 1.8GHz base stations to secure nationwide coverage for its LTE and LTE-Advanced networks by the end of this year. Operator has already built a nationwide LTE network using 10MHz in the 800MHz frequency band in April, 2012.