Configuring the Osmocom Serving Gateway Support Node (SGSN) for 2G/3G networks.
What’s the deal with Tunnel Endpoint Identifiers and what do they do?
GSM with Osmocom: Channel Types
When setting up the timeslots on the TRX for each BTS on your BSC, you’ll notice you have to set a channel type. So what do these acronyms mean, and how do they affect the performance of the network? GSM channels break down into one of to categories, control channels – used for signalling, and […]
GSM with Osmocom: GPRS & Packet Data
So far we’ve focused on building a plain “2G” (voice and SMS only) network, which was all consumers expected twenty years ago. As the number of users accessing the internet through DSL, Dial Up & ISDN grew, the idea of getting this data “on the go” became more appealing. TCP/IP was becoming the dominant standard […]
Configuring YateBTS NIPC with a BladeRF Software Defined Radio
Setting up YateBTS GSM BTS in Ubuntu 18.04