Outline Wimax Introduction 802.16 MAC Layer System Architecture
Wimax Classification Classify Method 3G-UMTS Introduction
End-to-End QoS Architecture System Architecture 3G-UMTS
Classification Design Classify Method 2
Slide 3
Wimax Introduction WiMAX Worldwide Interoperability for
Microwave Access IEEE 802.16 70Mbps Wireless MAN(WMAN) Last Mile
access DSL 3
Slide 4
Wimax Introduction (cont.) QoS
Slide 5
802.16 MAC Layer 5
Slide 6
802.16 MAC Layer (cont.) Service-Specific Convergence Sublayer
(CS) PDU MAC CPS MAC CPS MAC Common Part Sublayer (MAC CPS) 802.16
MAC PDU QoS ARQ BS SS Security Sublayer 802.16 6
Slide 7
System Architecture 7
Slide 8
Wimax Classification UGS ex VoIP QoS RTPS ex MPEG QoS ERTPS ex
silence suppression VoIP QoS 8
Slide 9
Wimax Classification (cont.) NRTPS ex FTP QoS BE ex email web
service QoS 9
Slide 10
Classify Method 163112 TPIDPRIORITYCFIVID 10 Tag Priority
valueService Flow Type 0BE 1~3NRTPS 4~5RTPS 6~7UGS Priority QoS 1.
IEEE802.1p
Slide 11
Classify Method (cont.) 2. Type of Service 11 01234567
PrecedenceDTRCReserved RFC1349 TOS IPv4 header
Slide 12
Classify Method (cont.) DifferServ Code point 12 IETF PHBs
Slide 13
Classify Method (cont.) Port Numbers Destination IP Address
Source IP Address Destination TCP or UDP Port Number Source TCP or
UDP Port Number 13
Slide 14
Classify Method (cont.) RTP Payload Type 14 RTP Header
Slide 15
Classify Method (cont.) 15 Payload TypeQoS type
Audio0~23UGS/voice Vedio24~33RTPS/video Unknow33 upRTPS/BE Payload
Type QoS
Slide 16
3G-UMTS Introduction (3G) (1G) (2G) (ETSI) 3G UMTS Universal
Mobile Telecommunications System UMTS WCDMA(Wideband CDMA) 2Mbps
GSM GPRS GSM 16
Slide 17
End-to-End QoS Architecture 17
Slide 18
System Architecture 18
Slide 19
3G-UMTS Classification Conversational Class ( VoIP video
telephon ) Streaming Class ( video downloading ) ( web radio)
19
Slide 20
3G-UMTS Classification (cont.) Interactive Class ( Interactive
Web ) database retrieval Background Class ( E-mail ) ( files ) (
Short Message Service SMS ) 20