ZTE Corporation CBTSI18A Manuale Utente
Chapter 4 - BTS Networking and Configuration
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Networking through Abis Interface
This chapter starts with describing the BSS networking mode, next BTS
networking mode and finally BTS networking configuration.
networking mode and finally BTS networking configuration.
BSS (Base Station System) includes BTS (Base Transceiver Station) and
BSC (Base Station Controller). BTS is composed of BDS, local RFS (LRFS)
and remote RFS (RRFS). Multiple networking modes are workable as
BSC (Base Station Controller). BTS is composed of BDS, local RFS (LRFS)
and remote RFS (RRFS). Multiple networking modes are workable as
shown in Fig. 12
F
I G
. 1 2
C D M A
2 0 0 0 B S S N
E T W O R K I N G
BSC
BTS = Macro BTS
or Micro BTS
or Compact BTS
BTS
....
BTS
BTS
BTS
....
....
....
....
BTS
BTS
BTS
....
Abis
E1 or SDH
Abis Star
Abis Chain
Abis Ring
BSC connects with BTS (macro or micro) through the Abis interface to
form various network shapes, such as star, chain, and ring.
Star networking
By star-shaped networking, it means that each BTS connects with BSC
individually and directly, or indirectly through external transmission
By star-shaped networking, it means that each BTS connects with BSC
individually and directly, or indirectly through external transmission
device.
Ring networking
Several BTS connect in serial to BSC as in a ring structure.
Several BTS connect in serial to BSC as in a ring structure.
Chain networking
In a chain networking mode, several BTS are connected to form a
In a chain networking mode, several BTS are connected to form a
chain with the last BTS connecting to BSC through E1/T1 or SDH.