1 Scope

08.143GPPBase Station System (BSS) - Serving GPRS Support Node (SGSN) interfaceGb interface Layer 1General Packet Radio Service (GPRS)Release 1999TS

The present document specifies the physical layer on the Base Station System (BSS) to Serving GPRS Support Node (SGSN) interface (Gb interface) and references layer 1 standards to be used on this interface.

The protocol stack on the Gb interface is defined in the stage 2 3GPP TS 03.60 [3].