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
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
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
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 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
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
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)
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
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 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 Based on 3GPP 38.101, following frequency bands will be used in 5G New Radio. The channel ...
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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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