Zte GU188 High, Описание продукта

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ZXSDR R8860E Product Description
© 2011 ZTE CORPORATION. All rights reserved. 1
1 Overview
In general, GSM/EDGE/UMTS system consists of Core Network (CN), Radio Network
Subsystem (GERAN/UTRAN) and Mobile Station/User Equipment (MS/UE).
GERAN/UTRAN includes 2 network elements, base station and BSC/RNC. The
conventional 2G/3G BTS connects to BSC/RNC or MS/UE via Abis/Iub or Um/Uu
interface respectively. The flowing figure
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shows a conventional GSM/EDGE/UMTS network system.
Figure 1 Conventional GSM/EDGE/UMTS Network System
In the figure 1, GPRS/EDGE and UTRAN are two separated radio networks. When ZTE
2G/3G dual-mode base station is introduced, the 2G/3G radio networks will be converged
into one and this will decrease the network construction cost greatly. The GSM/UMTS
integrated network is shown in following Figure.
Figure 2 ZTE SDR BTS Composed GSM/UMTS Network
BTS
BSC
2G BSS Only
Node B
Node B
RNC
RNC
HLR
PSTN
IP Network
MGW
MSCS
SGSN GGSN
3G UTRAN Only
GSM
UMTS