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5G Integrated Access and Backhaul (IAB) Enhancements in Rel-17
It's been a while since I last wrote about IAB on this blog here. At that time 3GPP Release-16 was being discussed. Since then things have moved on. While Release-16 is being prepared for final release...
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Top 10 posts for 2019
As one would guess, 2019 was dominated by 5G and so was this blog. Surprisingly the most popular post was on Open RAN. Most likely because many people did not understand what the term meant.People...
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Free 5G Training
Many readers of this blog would be aware that I run 5G 'An Advanced Introduction to 5G Technology' training course for Cambridge Wireless at regular intervals. The next one is on 10th March 2020, in...
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EN-DC SRB3 Demystified
3GPP 37.340 says that it is up the secondary node to establish "SRB3", but what exactly does this mean and how is it done?Simple answer: The establishment of a signaling radio bearer (SRB) 3 in EN-DC...
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2-step RACH Enhancement for 5G New Radio (NR)
5G Americas recently published a white paper titled, "The 5G Evolution: 3GPP Releases 16-17" highlighting new features in 5G that will define the next phase of 5G network deployments across the globe....
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How MOCN RAN-Sharing Works
Shared RAN deployment scenarios are an excellent opportunity for mobile network operators to lower their investments on both, network hardware and operational costs by sharing resources.The MORAN...
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NTT Docomo's Vision on 5G Evolution and 6G
NTT Docomo released a whitepaper on 5G Evolution and 6G. In a press release they announced:NTT DOCOMO has released a white paper on the topic of 6G, the sixth-generation mobile communications system...
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Prof. Andy Sutton: Backhauling the 5G Experience - Jan 2020
Prof. Andy Sutton has shared quite a few presentations and talks on this blog. His presentations from the annual 'The IET 5G Seminar' has made it to the top 10 for the last 3 years in a row. His talk...
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AI your Slice to 5G Perfection
Back in November, The Enhanced Mobile Broadband Group in CW (Cambridge Wireless) held an event on 'Is automation essential in 5G?'. There were some thought provoking presentations and discussions but...
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EPS Fallback in 5G Standalone Deployments
It can be expected that later this year some mobile network operators will launch their initial 5G standalone (5G SA) deployments.Nevertheless there will remain areas with temporary or permanently weak...
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5G and Industry 4.0
Telefónica published an infographic on 'Benefits of 5G in Industry 4.0' last week. You can download it on their website here. This reminded me that we have now completed the third video in our series...
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5G Private and Non-Public Network (NPN)
Private Networks have been around for a while and really took off after 4G was launched. This is due to the fact that the architecture was simplified due to the removal of CS core and also the...
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A Look into 5G Virtual/Open RAN - Part 1
Although it is understood in general that virtualization and increasing complexity are inherent characteristics of 5G networks many people are surprised when they realize the significant differences of...
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How LTE RRC (4G) and NR RRC (5G) Protocols are used in Parallel in EN-DC (5G...
Last week I had a fruitful discussion with a fellow blogger on the web, Martin Sauter (@mobilesociety) regarding a post in which he compared features of LTE RRC (3GPP 36.331) and NR RRC (3GPP...
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How Cellular IoT and AI Can Help to Overcome Extreme Poverty in a...
The Democratic Republic ofthe Congo (DRC) is the second largest country in Africa and it has a significant potential for agricultural development as the country has more land (235 million hectares)...
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Real-life 5G Use Cases for Verticals from China
GSMA have recently published a series of reports related to China. This includes the 'The Mobile Economy China' report as well as reports on ‘Impacts of mmWave 5G in China’, ‘5G use cases for verticals...
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Mobile Voice Communications is neither Dying, nor Dead!
If you have been following the mobile industry for a long time, you could be forgiven for thinking that voice communications is dead. This 2013 article for example talks about the impending death of...
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A Look into 5G Virtual/Open RAN - Part 2
In the first blog post of this series the different virtual RAN functions, interfaces and protocols have been discussed. Now it is time to have a look at a set of procedures that are required for the...
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5G eXtended Reality (5G-XR) in 5G System (5GS)
We have been meaning to make a tutorial on augmented reality (AR), virtual reality (VR), mixed reality (MR) and extended reality (XR) for a while but we have only managed to do it. Embedded below is...
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Spectrum for 5G NR beyond 52.6 GHz
3GPP TR 38.807: Study on requirements for NR beyond 52.6 GHz has recently been revised with all the new information post WRC-19. There is a section that details potential use cases for this new...
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