Using Ansible to orchestrate EPC Network Elements
Category: LTE
3GPP Long Term Evolution (4G)
Categories
GTPv2 – F-TIED Interface Types
A quick look at the Interface Types in the F-TIED field in GTPv2
Lessons learned about setting up VoLTE / IMS Networks at small scale.
Categories
BaiCells Neutrino eNB Setup
Configuring BaiCells Neutrino eNB
Categories
VoLTE / IMS – P-CSCF Assignment
How the P-CSCF address is assigned to a UE in Protocol Configuration Options (PCO) during bearer establishment.
Using SRS LTE Stack with the BladeRF x40 Software Defined Radio (SDR)
An update to PyHSS to support IMS Authentication for VoLTE
The exchange between a UE and P-CSCF to put SIP traffic into IPsec encapsulated payloads.
Viewing the payload of an Encapsulated Security Payload in Wireshark.
Introducing C Diameter Peer module in Kamailio to manage Diameter Peers, monitor their state and handle the connections.
Unlocking the built in IMS Debugging tool in Samsung’s Sysdump Utility
How to encode and decode MCC and MNC as PLMN Identifiers
Feature Update on PyHSS the Python Home Subscriber Server
Using osmo-sim-auth to query USIM/SIM cards authentication mechanism.
Exploring the how and why of Authentication in LTE & NR networks.
Importing Elevation data from ELVIS into Forsk Atoll
Categories
Why GTP for LTE?
Why and How GTP is used in LTE networks to carry user data.
Adventures in getting USIMs to use on private LTE networks.
Categories
LTE / EUTRAN – Idle Detach
Overview of the packet flow for a UE Idle detach from the network.
Categories
Subscribed-Periodic-RAU-TAU-Timer
Periodic Tracking Area Update timer purpose