An overview of the who, how and why of Non-IP Data Deliver in NB-IoT cellular services.
Tag: EUTRAN
Filtering for 3gppnetwork.org domains in Wireshark to make your troubleshooting easier
Step right up folks and test your skills on EPC with this PCAP analysis challllleeennnggeee!
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How UEs get Time in LTE
How does “Network Time” actually get to the UE?
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PyHSS Update – SCTP Support
Info on PyHSS new support for SCTP as well as TCP.
A look at MTU and its role in LTE and 5G Transmission.
Our BTS is going to need an accurate clock source in order to run, so without access to crazy accurate Timing over Packet systems or TDM links to use as reference sources, I’ve opted to use the GPS/GLONASS receiver built into the LMPT card. Add new GPS with ID 0 on LMPT in slot 7 […]
This post is one in a series documenting my adventures attempting to configure a used BTS 3900 to function as a eNB in my lab. There are 5 network ports on the LMPT card: 2x SFP cages – SFP 0 and SFP 1 1x 10/100 Ethernet port – ETH – Used to access the Local […]
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Huawei BTS3900 – MML Basics
Learning Huawei’s flavour of MML – Man Machine Language for the BTS 3900 series Macro Base Stations.
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DIY RAN Adventures – Antennas
Picking and validating antenna selection for the new RAN project in my lab.
Using SDR hardware to view the LTE System Information Block’s contents.
Using Wireshark to view and analyze MAC layer LTE traffic
Multi-tenancy on the RAN side of the network, allowing an eNB to broadcast multiple PLMN IDs (MCC/MNC) in the System Information Block (SIB).
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BaiCells Neutrino eNB Setup
Configuring BaiCells Neutrino eNB
Using SRS LTE Stack with the BladeRF x40 Software Defined Radio (SDR)
How to encode and decode MCC and MNC as PLMN Identifiers
Using osmo-sim-auth to query USIM/SIM cards authentication mechanism.
Exploring the how and why of Authentication in LTE & NR networks.
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LTE / EUTRAN – Idle Detach
Overview of the packet flow for a UE Idle detach from the network.
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Subscribed-Periodic-RAU-TAU-Timer
Periodic Tracking Area Update timer purpose