Manual Part 3

RBS 2207 Radio Configurations
1 Introduction
The radio co nfigurations described are valid for RBS 2207, equipped with a
maximum of three dTRUs/six TRXs pe r cabinet. The des criptions include basic
configurations and site cell con figurations.
1.1 Mobile Telephone System
P007534B
PSTN
SS
OSS
BSS
BSC
BTS
RBS 2000
SS Switching System
OSS Operation Support System
BSS Base Station System
BSC Base Station Controller
RBS Radio Base Station
BTS Base Transceiver Station
PSTN Public Switched Telephone Network
Figure 1 RBS 2000 in the E ricsson GSM system
The Base Station System (BSS) contains two functional entities; the Base
Station Controller (BSC) and the Base Transceiver Station (B TS).
The BSC handles rad io-related functions such as handover, m anagement of
the radio network resource s, and cell configuration data. It also controls radio
frequency power levels in RBSs and MSs.
The BTS is a network component w hich serves one cell, and is controlled by
the BSC. The BTS consists of the radio transceivers and all the digital signal
processing equipment. RBS 2000 contains equipment for one to three BTSs.
3 (14)
EN/LZT 720 0135 Uen R3A