User's Manual

Mobile WiMAX RAS SPI-2L10 System Description/Ed.00

1-3

Mobile WiMAX System Functions(ACR, RAS)

The Mobile WiMAX system consists of Radio Access Station (RAS), Access Control

Router (ACR) and Mobile WiMAX System Manager (WSM). RAS manages 802.16

Medium Access Control (MAC)/Physical Layer (PHY) function for Mobile Station (MS),

ACR manages various control functions and interworking function between Mobile

WiMAX ASN system and CSN system.

System Support Standards

Network Working Group (NWG) of Mobile WiMAX Forum defines the Mobile

WiMAX network as Access Service Network (ASN) and Connectivity Service

Network (CSN). RAS of Samsung is Base Station (BS) and ACR is ASN-GW

(Gateway) of ASN, respectively.

RAS and ACR are based on ASN Profile C and Wave 2 Profile defined in the

Mobile WiMAX Forum and the Wave 2 Profile contains Wave 1 Profile.

The figure below shows the functions of the ASN systems (ACR and RAS) based on

Profile C. Each block name complies with the standard of Mobile WiMAX NWG.

Figure 1.1 Configuration of Mobile WiMAX System Functions (Based on Profile C)

ASN

ASN-GW (ACR)

Location Register

Context Function

Handover Function

(Handover Relay)

Authenticator

Key Distributor

SFA

AAA Client

IP Packet Forwarding

Header Compression

Packet Classification

Paging Controller

MIP FA PMIP client

BS (RAS)

Context Function

Handover Function

(Handover Control)

Key Receiver

RRC & RRA

ARQ Operation

MAC PDU

Encapsulation/PHY

SFM

(Admission Control)

DHCP relay agent