User's Manual

Mobile WiMAX Indoor RAS SPI-2210 System Description/Ed.07
© SAMSUNG Electronics Co., Ltd. 1-4
1.3 Mobile WiMAX Network Configuration
Mobile WiMAX network is composed of ASN and CSN. ACR and RAS are involved in
ASN and WSM is the Network Element (NE) to manage ACR and RAS. CSN is composed
of AAA server, HA, DNS server and PCRF server. ASN is connected with CSN by router
and switch.
The following diagram shows the composition of Mobile WiMAX network.
Figure 1.1 Mobile WiMAX Network Configuration
Radio Access Station (RAS)
RAS as the system between ACR and MS has the interface with ACR and provides the
wireless connection to MS under IEEE 802.16 standards to support wireless
communication service for subscribers.
RAS carries out wireless signal exchange with MS, modulation/demodulation signal
processing for packet traffic signal, efficient use of wireless resources, packet scheduling
for Quality of Service (QoS) assurance, Admission Control, assignment of wireless
bandwidth, Automatic Repeat Request (ARQ) processing and ranging function. In addition,
RAS controls the connection for packet calls and handover.
RAS
RAS
RAS
RAS
WSM
ACR
A
CR
MS
MS MS MS
Ed
g
e Router/Switch
PCRF
H
A
AA
Core Router/Switch
CSN
A
SN
Internet
DHCP