The FAQ for private network customers.
The purpose of this article is to provide some background for network managers about the kinds of hardware diagnostics that are available from typical radio basestations (GSM BTS, UMTS NodeB, LTE eNodeB, 5G-NR gNodeB, etc.).
The global private network market is estimated at around US$3.5B already. Where are these networks and what are they used for? And why do customers install them?
Growing opportunities for spectrum access are making private cellular networks a reality in many parts of the world. The fastest regulatory developments are in the US, with Europe close behind.
This article describes the operation of the MTC Physical Downlink Control Channel (MPDCCH) for sending downlink assignments and uplink grants to the client device.
We do not just supply the radio network, but all of the planning, testing, and management the make the radio network useful.
A race to standardize the RAN architecture has left us with a confusing collection of terminology. We will try to put some order to it.
Starting in 2008, Legba’s founders were running large private networks at a festival in the desert.
Unlike later technologies, GSM can provide full service to device without full authentication. This can be useful in some private networks, allowing a device to bring its own SIM without needing a roaming agreement.
Cell broadcast (CB) is a way to deliver a text message to large numbers of handsets over the cellular network. Its main use today is the delivery of Public Warning System (PWS) messages, also called CMAS, ETWS, or other names in different parts of the world. The Legba Lab Kit is an easy and inexpensive way to generate PWS test messages on your bench.