Picking and validating antenna selection for the new RAN project in my lab.
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DIY RAN Adventures – Antennas
Category: Mobile Networks
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SIM Unlock Shims
What do Unlock SIMs sold online actually do and how do they do it?
Configuring the Osmocom Serving Gateway Support Node (SGSN) for 2G/3G networks.
Note: As this space develops so quickly I’ve refreshed the original post from November 2021 in March 2021 with updated instructions. While 5G SA devices are still in their early stages, and 5G RAN hardware / gNodeBs are hard to come by, so today we’ll cover using UERANSIM to simulate UEs and 5G RAN, to […]
Using a NanoVNA to analyse antenna performance for SDR driven Base Stations for GSM / LTE.
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Open5GS – NRF Setup
Configuring the NRF for Open5GS
A look at the Network Function Repository Function (NRF) in 5G Core
How I ended up with a Macro LTE eNodeB (Huawei BBU3900) and getting it running.
Comparing the Control Plane signalling in 5GC compared to EPC.
How User Plane traffic is handled in 5GC compared to EPC
No talk of Augmented Reality, Holographic Video calls, 5G cities. Just info about real 5G topics for nerds.
The Packet Gateway’s purpose in the EPC.
Basic processes and functions of the LTE EPC Serving Gateway (S-GW).
Assigning static IPs to UEs in Open5GS
A look at PFCP for the Sx and N4 Interfaces
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Twenty years of the Nokia 3310
1 September 2000 was when the 3310 was released…
Using Wireshark to filter S1 messaging to find signalling from a specific subscriber,
List of Open Source Evolved Packet Core implementations
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Android Carrier Privileges
Unlocking Carrier Privileges through certificate on a UICC
What’s the deal with Tunnel Endpoint Identifiers and what do they do?