This TS is an introduction to the 48.5xx - 48.6xx series of 3GPP Technical Specifications and deals with the definition of the Base Station Controller (BSC) to Base Transceiver Station (BTS) interface defined inside the Base Station System (BSS) for the GSM system.
These Technical Specifications define the basic interface with some
identified options requiring further elaboration. The BSC-BTS interface is mandatory within GSM only if the BSC and
the BTS are not colocated.
full Table of Contents for TS 48.051 Word version: 15.0.0