The infrastructure of an LTE cellular network comprises the E-UTRA/E-UTRAN air interface and the Evolved Packet Core (EPC), which includes the gateways, mobility management and subscriber databases.
Turns out, there’s an open source suite called srsRAN that lets you use an SDR for setting up an LTE network, and recently, we’ve found a blog post from [MaFrance351] (Google Translate ...