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fon909
2011-07-21, 02:43 AM
Hi,

Apologies if the doc has been posted earlier. I found it quite informative, if you like it too then plz add reps and thanks.

Table of Contents
INTRODUCTION..........................................................................................1
ROLE OF ATM IN 3G ACCESS NETWORKS .........................................2
Introduction of ATM Switching into the Access Network......................2
Lower Bandwidth Consumption.............................................................3
Higher Savings........................................................................................5
DEPLOYING A 3G ACCESS NETWORK.................................................6
Deployment over Pure TDM Transmission...........................................6
Co-location of ATM Switches and RNCs ..............................................7
ATM Concentration Devices in the Access Network............................7
The Cost of Using ATM Switches in the Access...................................7
The Dilemma.........................................................................................10
ECI TELECOM’S SOLUTION FOR 3G ACCESS NETWORKS...........11
The XDM Architecture..........................................................................11
The ATS (ATM Traffic Switch) Concept..............................................12
Advantages of the ATS vs. a Standalone ATM Switch ......................14
THE XDM ATS CARD AS A NODE B CONCENTRATOR ...................19
Canonical Concentration of Node B Traffic into VC-4s ......................19
INTEGRATION OF 2G AND 3G TRAFFIC .............................................24
TDM Multiplexing of 2G and 3G Traffic...............................................24
CONCLUSION.....................