User's Manual

Chapter 1 - System Description 4Motion Solution
4Motion 6 System Manual
architecture and interfaces according to the WiMAX Forum networking working
group (NWG) profile C, which supports openness and enables flat as well as
hierarchical topologies. In addition, by keeping the radio resource management
functionality in the Base Transceiver Station only, Profile C delivers a faster,
optimized handover mechanism.
1.2.2 WiMAX Network Reference Model
Figure 1-2 and Figure 1-3 show the basic mobile WiMAX network architecture,
with a single ASN-GW and with multiple ASN-GWs, as defined by the WiMAX
Forum NWG.
Figure 1-2: Mobile WiMAX Network Reference Model