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TECH-BLOG
Date: 08/19/2014
Author: Dr. Michelle M. Do and Dr. Harrison J. Son
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In this post, we will talk about “jitter” introduced in the fronthaul network of LTE C-RAN.
Date: 07/04/2014
Author: Steve Shin and S.M. Shin
30,714
  
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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
49,377
  
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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
43,718
  
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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
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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
41,931
  
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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
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