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NETMANIAS
TECH-BLOG
Switching and Routing - Part 2. Packet Forwarding by IP Router
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As noted in the previous post, we will explain the logic of IP packet delivery among routers.
Date: 06/18/2014
Author: Chris Yoo
Tags: ARP, IP Routing, Network Protocol, Switching
61,973
  
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Interference Coordination in LTE/LTE-A (1): Inter-Cell Interference Coordination (ICIC)
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In this and next few posts, we will learn more about these Interference Coordination technologies. First, let's find out ICIC, the most basic interference coordination technology.
Date: 06/05/2014
Author: Dr. Michelle M. Do and Dr. Harrison J. Son
Tags: LTE, LTE-A
79,878
  
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Netmanias Interview with HFR - Fronthaul Solutions for LTE/LTE-A C-RAN (Cloud RAN)
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Netmanias: 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, CTO of HFR (jongheonlee@hfrnet.com) about one of its most popular solutions, flexiHaulTM, a mobile optical acces...
Date: 05/27/2014
Author: Dr. Harrison J. Son
Tags: C-RAN/Fronthaul, CPRI, CoMP, LTE, LTE-A, SK Telecom
81,845
  
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Switching and Routing - Part 1. Router Architecture
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Back in the early 2000s, when I worked for an L3 switch (Ethernet switch + IP router) developer, I had once implemented packet forwarding by using IBM NP4GS3C, a network processor. Not just because of that, but I also believe this might be a good time for us, especially network novices, to look...
Date: 05/23/2014
Author: Chris Yoo
Tags: IP Routing, Network Protocol, Switching
64,513
  
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Switching and Routing for Dummies - IP Routing
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In this and previous posts, we will learn about L2 (Ethernet) switching and L3 (IP) routing.
Date: 05/08/2014
Author: Chris Yoo
Tags: IP Routing, Network Protocol, Switching
65,236
  
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Switching and Routing for Dummies - Ethernet Switching
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In this and next posts, we will learn about L2 (Ethernet) switching and L3 (IP) routing.
Date: 04/28/2014
Author: Chris Yoo
Tags: IP Routing, Network Protocol, Switching
69,849
  
 9
Evolution of Mobile RAN Architecture in LTE/LTE-A Era (C-RAN)
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1. Traditional RAN Architecture and Issues 2. Degradation of service quality and network performance due to inter-cell interference: Prevented by reducing X2 distance 3. Costs of building and operating cell sites: Reduced by BBU Centralization (C-RAN)
Date: 04/16/2014
Author: Dr. Michelle M. Do and Dr. Harrison J. Son
Tags: C-RAN/Fronthaul, CoMP, LTE, LTE-A, SK Telecom
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Fronthaul Size: Calculation of maximum distance between RRH and BBU
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In C-RAN (Centralized/Cloud RAN), the more RRHs are covered by one CO (BBU hostelling site), i) the fewer COs are required, and ii) the more BBUs can be centralized at one CO...
Date: 04/01/2014
Author: Dr. Harrison J. Son, S.M. Shin
Tags: C-RAN/Fronthaul, LTE
68,106
  
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Why WDM is essential in C-RAN fronthaul networks? - Ultra high CPRI link capacity
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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?
Date: 03/12/2014
Author: Steve Shin and Dr. Harrison J. Son
Tags: C-RAN/Fronthaul, CPRI, LTE
64,436
  
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CPRI (1): Emergence of C-RAN/Fronthaul and CPRI overview
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Emergence of C-RAN (Cloud RAN) and CPRI overview. 1. Emergence of C-RAN (Separation of Baseband and Radio, and Baseband Centralization) , 2. CPRI (Interface Specification for Separated DUs and RUs)
Date: 03/04/2014
Author: Steve Shin and Dr. Harrison J. Son
Tags: C-RAN/Fronthaul, CPRI, LTE, LTE-A
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Private 5G Frequency Allocation Status in Korea
     
     
     
     
     

 
  Netmanis One-Shot, Private 5G Frequency Allocation Status in Korea (36 locations),2024.01.02  

 

  Private 5G Deployment Case Study in Korea  
     
     

 

  Enterprise DIY   Private 5G operator  
         
 

Korea Hydro & Nuclear Power

 

 

 

 

 

 

 
 
 

Republic of Korea Navy

 

 
 
 

Korea Electric Power Corporation

 

 
 
 

 

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SK networks service

 

   - Customer:  Korea Food Industry Cluster

 
 
 

Newgens

 

   - Customer: Lotte World

 

  - Customer: Daeduk University

 

 
 
 

KT MOS

 

   - Customer: Samsung Medical Center

 
 
 

Sejong Telecom

 

   - Customer: Banwol-shihwa Industrial Complex

 
 
 

 

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KT Private 5G: Multi-Slice and Multi-MEC for an Enterprise
     
     
     
     
     

 

   
 

KT 5G and 10Giga Network Architecture
     
     
     
     
     

 

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