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ZXMBW E9200 Indoor Pico Base Station User Manual
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F
I G U R E
6 AS N N
E T W O R K
R
E F E R E N C E
M
O D E L
ASN
Group A ASN
GW
Functions
(e.g. RRM)
R6
BS
BS
R8
R1
Group B
ASN GW
Functions
(e.g. Bearer
Plane)
R7
R3
R4
ASN GW
Table 7 lists the ASN interfaces and their description.
T
A B L E
7 AS N I
N T E R F A C E S
Interface Description
R1
Air interface between the user terminal and
the RRU.
R3
Interface between the AGW (ASN-GW, Access
Service Network Gate Way) and the CN.
R4
Interface between ASNs, i.e. the interface
between AGWs. It implements some
switching-related signaling and established
data channel to maintain data integrity during
switching.
R6 Interface between the AGW and the BS.
R7
Internal interface of the AGW. It is optional. It
divides the AGW into strategy judgment
function and implementing function.
R8 Interface between BSs.