D-RAN, C-RAN, vRAN and Open RAN

D-RAN, C-RAN, vRAN and Open RAN

RAN domain is an expensive part of any cellular network, even it can cost more than 60% from total budget ...
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Open RAN with Bullets - Part 2

Open RAN with Bullets – Part 2

Even though I have already described high level of O-RAN defined Open RAN architecture in the previous post, now I ...
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Open RAN with Bullets - Part 1

Open RAN with Bullets – Part 1

At current era, all fields of telecommunication are moving forward much faster than comparing previous decades. Even though most of ...
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LTE UL Power Control in illustrations

LTE UL Power Control in illustrations

The UE will choose minimum power value from the calculation result to transmit user data on PUSCH. The formula consists ...
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LTE Regular MIMO in illustrations

LTE Regular MIMO in illustrations

LTE MIMO Transmission can work in two different schemes: SU-MIMO stands for Single User MIMO, MU-MIMO stands for Multi-User MIMO ...
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LTE DRX in illustrations

LTE DRX in illustrations

DRX is used by user equipment to switch OFF and ON its transceiver (transmission & reception). It is called “Sleeping ...
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LTE UL Power Control

LTE UL Power Control

Introduction Power control is one of the most complicated subject in wireless communication technologies. Today we will try to have ...
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LTE DRX (Discontinuous Reception)

LTE DRX (Discontinuous Reception)

  The feature which we will talk about is not new and proposed in initial release of LTE 3GPP standards, ...
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LTE Regular DL MIMO

LTE Regular DL MIMO

Introduction Radio side of the network is more complicated in comparison with other domains, because of mobility and user behaviour ...
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5G Technology

5G Core Network Overview

We already paced to a new era with 5G which is completely different than legacy technologies. 5G is not only ...
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5G NR Frequency Bands

5G NR Frequency Bands

5G NR Frequency Bands Based on 3GPP 38.101, following frequency bands will be used in 5G New Radio. The channel ...
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EPS Session Managment Timer - UE Side

EPS Session Management Timers – UE side

EPS session management timers at UE side: T3480, T3481, T3482, T3492, T3493, Back-off timer EPS session management timers – UE ...
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