Ericsson MINI-LINK E - Capacity Savings Due to Grooming; Grooming

MINI-LINKEandEMicro
SITE B
MXU
SITE A
O&M
other transmission media
MMU
MXU
MMU
2 Mbit/s
2 Mbit/s
0
31
031
O&M
O&M
031
WAN/LAN
TCP/IP
MINI-LINK Netman
Client/Server
Terminal
Server
3581
Figure 83 By using the MXU, management information from isolated
sub-networks can be integrated in the traffic and thereby transported over any
medium for central superv ision
7.2.2 Grooming
The MXU can save traffic capacity by packing traffic on 64 kbit/s level. Except
for time slot 0, data can be placed in any of the 32 time slots in a frame.
To the left in t he figure below, a network expansion is shown. The illustration
to the r ight show s the details of grooming, where 2 Mbit/s traffic is packed in
order to save capacity, on the site with the MXU. Only 1x2 Mbit/s is required
for t he radio link connection to radio terminal C as compared with 3x2 Mbit/s
without using the MXU.
Radio Terminal A
MXU
2 Mbit/s
MMU MMU
MMU
BTS
2 Mbit/s
2 Mbit/s
2 Mbit/s
31
0
031
0
31
310
Radio Terminal B
Radio Terminal C
BTS
BTS
BTS
BTS
BTS
and
MXU
(as shown to the right)
BTS
1x2
1x2
1x2
1x2
Before expansion
After expansion
3583
Figure 84 Capacity savings due to grooming
117
AE/LZT 110 2012 R8C 2002- 03-04