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SK Telecom's RAN Evolution Strategy

10/09/2014

29,557

SK Telecom's Network Evolution Strategies (1): Carrier Aggregation Evolution Strategy

SK Telecom is the #1 mobile operator in Korea, with sales of KRW 16.6 trillion (USD 15.3 billion) in 2013, and with 50.1% of a mobile mobile subscription market share in 2Q 2014. It launched LTE service back in July 2011, and now more than half of its subscribers are LTE service subscribers, with 55.8% of LTE penetration as of 2Q 2014. Due to LTE subscription growth, more advanced device feat...

10/07/2014

40,969

Korea Communication Review, October 2014

10/06/2014

61,348

Mobile Data Traffic Statistics in Korea (Q2 2014)

08/26/2014

21,359

LTE Policy and Charging Control (PCC)

Table of Contents 1. Introduction 2. PCC Rules 3. PCC Procedures 4. How Policy Control Affects the Way IP Packet Flows are Handed 5. EPS Entity Information 6. Closing 1. Introduction To use LTE services, a user must purchase an LTE device, sign up for an account with his mobile operator, and then select the service types and plan he wants. Then, to...

08/22/2014

164,354

Technical Documents

CoMP (2): CoMP Coordination Areas Defined in 3GPP (7 Scenarios)

In the CoMP scenarios defined in 3GPP Release 111 and Release 122, CoMP is used within a single eNB (intra-eNB) with ideal backhaul only - in restricted areas in Release 11 among eNBs (inter-eNB) with non-ideal backhaul as well - in more expanded areas in Release 12 According to NGMN3, ideal backhaul refers to one with latency of 2.5 usecs or less and capacity of 10 Gbps or higher, whe...

08/19/2014

53,080

CoMP (1): CoMP Types - CS, CB, JT and DPS

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...

08/12/2014

59,837

Interference Coordination in LTE/LTE-A (2): eICIC (enhanced ICIC)

Enhanced Inter-Cell Interference Coordination (eICIC) As noted in the previous post about ICIC, we will find out about enhanced Inter-Cell Interference Coordination (eICIC), an interference control technology in LTE-A in this post. In LTE/LTE-A, one key challenge for operators is that they have to increase network capacity to keep up with fast-growing traffic. Especially, crowded areas in m...

08/06/2014

59,798

LTE RAN Architecture: Cell site and LTE BS, B/F-Hauling, Coordination, Comparison and C...

08/06/2014

37,483

HFR's Mobile Fronthaul Solutions for LTE-A Era

08/01/2014

39,823

Korea Communication Review, July 2014

07/04/2014

59,216

What's GiGAtopia envisioned by Chairman Chang-gyu Hwang of KT? (GiGa FTTH, GiGA Wire, G...

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...

06/26/2014

67,186

EMM Procedure 10 & 11. Move to Another City and Attach

Table of Contents 1. Introduction 2. EMM Case 10. Move to Another City 3. EMM Case 11. Initial Attach in Another City 4. EPS Entity Information 5. Closing 1. Introduction UE attempts a handover or cell reselection when the received signal strength from its serving cell becomes weak as it moves. If there is no neighbor cell at all near the travelling UE,...

06/11/2014

91,516

Technical Documents

Interference Coordination in LTE/LTE-A (1): Inter-Cell Interference Coordination (ICIC)

As mobile communication technology has evolved dramatically, from LTE (10 MHz) to LTE-A (10+10 MHz), and then to wideband LTE (20 MHz), South Korea's mobile market is hotter than ever with its big 3 operators competing fiercely in speed and quality (see Netmanias Report, LTE in Korea UPDATE - May 1, 2014). Operators can offer different maximum speeds depending on how wide frequency bandwidt...

06/05/2014

77,098

LTE subscribers in Korea UPDATE - May 1, 2014

06/04/2014

23,170

LTE in Korea UPDATE - May 1, 2014

06/02/2014

30,175

Netmanias Interview with HFR - Fronthaul Solutions for LTE/LTE-A C-RAN (Cloud RAN)

HFR is probably most known as a vendor of wired/wireless network equipment like Mobile fronthaul, Carrier Ethernet, FTTx, etc. Today, we are going to hear from Dr. J.H. Lee (jongheonlee@hfrnet.com), CTO of HFR about one of its most popular solutions, flexiHaulTM, a mobile optical access solution. 1. Welcome! Thank you for being with us. Can you tell us a little bit about HFR first?...

05/27/2014

76,028

LTE in Korea Update - May 1, 2014

• LTE/LTE-A Commercialization by South Korea’s Big 3 Operators as of April 2014

05/27/2014

27,678