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...

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...

3. RAN Architecture Evolution Strategies SK Telecom introduced C-RAN right from the very early stages of the LTE service commercialization (January 2012) as an effort to achieve higher mobile network operation efficiency and more cost savings. As a result, most of the company's RAN is now in C-RAN architecture, where macro BBUs are separated from RRHs, and moved to centralized locations...

Today, we will learn about CoMP, an inter-cell cooperation technology in LTE-A, since we learned about ICIC and eICIC in the previous posts. At an early stage of LTE/LTE-A, offering high speed is the most important marketing point for operators. However, as LTE subscribers and traffic grow, satisfying users with high Quality of Experience (QoE), for example, by improving user throughputs at cel...

In our previous post (Analysis of LG U+'s HDTV Streaming (LG U+ HDTV Service based on LTE-A), we discussed how LG U+ Mobile U+ HDTV service delivers video files to a device. Our first actual measurement confirmed that LG U+: used HLS, Apple's adaptive streaming (delivering video files chunkwise, unlike progressive download or RTMP/RTSP); and offered three profiles (quality levels)...

We are pleased to share with you all an interesting article contributed by Saad Sheikh who is the Chief Architect Consultant in Saudi Telecom Company primarily responsible for Network Deployment and planning for CSP Digital transformation involving domains of NFV, SDN, Telco Cloud, 5G. Always interested in those disruptive technology driving the industry transformation, Author hails from Telco...

We are pleased to share with you all an interesting article contributed by Upendra Kumar Tiwari. Upendra Kumar Tiwari Senior Research Associate Subject Matter Expert in Telecom at Clarivate Analytics All Articles by Upendra Kumar Tiwari...

We are pleased to share with you all an interesting article contributed by Junaid Afzal. Junaid Afzal Technical Presales Manager - Ecosystem at SIGFOX All Articles by Junaid Afzal How to contribute your a...

We are pleased to share with you all an interesting article contributed by Dean Bubley who is mobile & telecom sector analyst, expert consultant & conference speaker. Dean Bubley Founder and Director at Disruptive Analysis All Articles by Dean Bubley...

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...

KT’s Vision: GiGAtopia Source: KT What? Chairman Chang-gyu Hwang of KT (with sales of KRW 23.8 trillion in 2013), at a press conference held at KT Olleh Square in Gwanghwamun, Seoul on May 20, announced that "KT will open up a new age of GiGAtopia by investing KRW 4.5 trillion (USD 4.4 billion) in GiGA FTTH, GiGA Path (heterogeneous networks convergence technology that combines...

Our question in this post is: Why does the CPRI link between BBU (at CO) and RRH (at Cell Site) in C-RAN require a ultra high Gbps bandwidth? Before you read this post, we advise you to read our previous post, "CPRI (1): Emergence of C-RAN and CPRI overview". The CPRI link capacities required between BBU and RRH in the C-RAN architecture are as follows: Table 1. CPRI data rates...

Today, we will find more about LTE GTP tunnels that we have discussed previously. In the Figure below, GTP tunnels are established in the link from the eNB to the S-GW and from the S-GW to the P-GW. Downlink (DL): From PDN (Internet) to UE [1] A packet (Source IP=www.google.com, Destination IP=UE) is sent from the Internet to the P-GW. [2] The P-GW compares the five tuples of...

We are pleased to share with you all an interesting article contributed by Nick Hunn who is technology evangelist, serial entrepreneur and developer with a broad view of both the detail of technologies, the user experience and wider interplay of different market solutions. Nick Hunn CTO at WiFore Consulting...

We are pleased to share with you all an interesting article contributed by Mohamed Abdel Monem. Mohamed Abdel Monem Radio Optimization Senior Engineer at Vodafone Egypt All Articles by Mohamed Abdel Monem...

KT, who successfully demonstrated 5G network operation and 5G pilot service at PyeongChang Winter Olympic Games in February this year, officially declared the world's first commercialization of 5G service in March next year. KT held a press conference on March 22 and announced the world's first 5G commercialization in March 2019...

We are pleased to share with you all an interesting article contributed by Nikhil Vyakaranam and Dilip Krishna S. Nikhil Vyakaranam Technical Marketing Engineer at Cisco Systems All Articles by Nikhil Vyakaranam...

We are pleased to share with you all an interesting article contributed by Nick Hunn who is technology evangelist, serial entrepreneur and developer with a broad view of both the detail of technologies, the user experience and wider interplay of different market solutions. Nick Hunn CTO at WiFore Consulting...

We are pleased to share with you all an interesting article contributed by Astro Ahmed - Interesting areas [Artificial Intelligence, 5G, LTE, Cognitive Radio, Embedded Systems, IoT, Quantum physics] Astro Ahmed Fresh Graduate Telecommunication Engineer at GrEEK CAMPUS All Articles...