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Friday, July 17, 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, July 12, 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, July 6, 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, July 4, 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, June 30, 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, June 23, 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, June 22, 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, June 12, 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, June 9, 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, June 2, 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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