IEEE std 802.16

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IEEE std 802.16
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Standard Roadmap

• IEEE 802.16-2001
• IEEE 802.16a/b/c (2003)
• Amendments to 802.16-2001
• IEEE 802.16-2004
• Compatibility issue with HIPERMAN of ETSI
• 802.16d project
• Replace previous standards
• Fixed site access
• IEEE 802.16e-2005 (amendment)
• Extend to mobility
• IEEE 802.16f-2005(amendment)
• MIB
• IEEE 802.16g-2007(amendment)
• Management Plane Procedures and Services

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IEEE 802.16j-2008

• One BS and many RS (Relay Station)
• Transparent mode
• Increase uplink bandwidth
• Non-transparent mode
• Expand service coverage
• Remove obstruction

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Features

• Broad Bandwidth
• Up to 134.4Mbit/s
• Transit over 50KM
• Typical Architecture
• 1 BS n SSs
• PMP or MESH
• Spectrums
• From 2 to 66 GHz
• NLOS and LOS
• Duplexing Techniques
• TDD or FDD
• WiMAX Forum
• Conformance and Interoperability

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Scope of Standard
CS SAP
Service-Specific Convergence Sublayer ( MAC CS )
MAC SAP
MAC
Common Part Sublayer ( MAC CPS )
Security Sublayer ( MAC SS )
Scheduliing Services QoS Parameters Bandwidth
Allocation
PHY SAP
Physical Layer (PHY)
PHY
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Classification Addressing
SFID
SFID
SFID
SFID
Uplink
SFID Service Flow Identifier (32 bits) CID
Connection Identifier (16 bits)
SS
BS
Downlink
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Scheduling Services
Priority 802.16-2004 ServiceType 802.16e-2005 ServiceType Typical Appcations
1st UGS UGS T1/E1 transport VoIP without silence suppression
2nd ertPS ERT-VR VoIP with silence suppression
3rd rtPS RT-VR MPEG Video
4th nrtPS NRT-VR FTP with guaranteed minimum throughput
5th BE BE HTTP
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QoS ParamSet
UGS Maximum Sustained Traffic Rate Minimum
Reserved Traffic Rate Maximum Latency Tolerated
Jitter Uplink Grant Scheduling Type Request/Transm
ission Policy
ERT-VR Maximum Sustained Traffic Rate Minimum
Reserved Traffic Rate Maximum Latency Uplink
Grant Scheduling Type Request/Transmission Policy
BE Maximum Sustained Traffic Rate Traffic
Priority Request/Transmission Policy
QoS ParamSet
RT-VR Maximum Sustained Traffic Rate Minimum
Reserved Traffic Rate Maximum Latency Uplink
Grant Scheduling Type Request/Transmission Policy
NRT-VR Maximum Sustained Traffic Rate Minimum
Reserved Traffic Rate Traffic Priority Uplink
Grant Scheduling Type Request/Transmission Policy
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Bandwidth Allocation
UL-MAP Uplink Map
Uplink Packet Scheduler (802.16 Frame Maker)
CIDs QoS-ParamSets
UL-MAP
INPUT
OUTPUT
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Summary of MAC
and the undefined part of IEEE 802.16
OUTPUT
INPUT
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Modulations Channel Size
Uplink Mandarory
US
European
Downlink Mandarory
Access Range QPSK gt QAM16 gt QAM 64 Data
Rate QAM64 gt QAM16 gt QPSK
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Frame Durations
with TDD Frame Structure
0.5/1/2 ms
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Number of PS in 16-QAM

• Frame duration 1ms
• Signal (Baud) rate 16 Bps
• Data bit rate 64 Mbps (16-QAM)
• 4 bits in a signal (baud)
• Number of PS
• (64 Mbps x 1 ms) / 16 bits 4000
• Assume every PS 16 bits