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Friday 17 July 2020
A Look into 5G Virtual/Open RAN - Part 7: Change of gNB-CU-UP without Handover
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This will be the last part of my series about Virtual/Open RAN signaling procedures. In this final post (although not the last one on this ...
1 comment:
Sunday 12 July 2020
Anritsu Webinar on 'Evolution of 5G from 3GPP Rel-15 to Rel-17 and Testing Challenges'
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At the TSG#88e Plenary meetings that ended on 03 July 2020, Release 16 was completed with both the Stage 3 freeze and the ASN.1 and Open...
Monday 6 July 2020
A Technical Introduction to 5G NR RRC Inactive State
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I looked at the RRC Inactive state back in 2017 , but the standards were not completely defined. In the meantime standards have evolved ...
3 comments:
Saturday 4 July 2020
An Introduction to Vehicle to Everything (V2X) and Cellular V2X (C-V2X)
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We made an introductory tutorial explaining vehicle to everything. There are 2 different favours of V2X as shown in this tweet below ...
Tuesday 30 June 2020
A Look into 5G Virtual/Open RAN - Part 6: Inter-gNB CU Handover involving Xn
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In previous blog posts I have discussed intra-gNB-DU handover and inter-gNB-DU handover scenarios.Now it is time to look at inter-gNB-CU...
1 comment:
Tuesday 23 June 2020
Comparison Layer 2 Measurements LTE vs. 5G NR
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Yesterday (2020-06-22) 3GPP uploaded the version 1.0 of TS 38.314 "Layer 2 Measurements" for 5G New Radio Rel. 16. I was wonde...
Monday 22 June 2020
Carrier Aggregation (CA) and Dual Connectivity (DC)
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This topic keeps coming up every few months with either someone asking me for clarifications or someone asking us to make a video. While...
Friday 12 June 2020
A Look into 5G Virtual/Open RAN - Part 5: Inter-gNB DU Handover
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My last blog post discussed the intra-gNB-DU handover . Now it is time to look at inter-gNB-DU handover. This means: the target cell is loc...
3 comments:
Tuesday 9 June 2020
5G Roaming with SEPP (Security Edge Protection Proxy)
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SEPP (Security Edge Protection Proxy) is part of the roaming security architecture as shown in the figure above. Ericsson's article ,...
Tuesday 2 June 2020
Embedded SIM (eSIM) and Integrated SIM (iSIM)
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It's been a while since I wrote detailed posts explaining UICC and SIM cards . Since then the SIM cards have evolved from Mini SIM to M...
1 comment:
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