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【文件名】:06817@52RD_Mobile WiMAX - Part I A Technical Overview and Performance Evaluation.pdf
【格 式】:pdf
【大 小】:813K
【简 介】:represents the combined efforts of many people from several WiMAX Forum
organizations with long-standing experience in wireless technologies. Additionally, a
broader range of WiMAX Forum members have had the opportunity to review and
critique the material and every attempt has been made to assure accuracy of the material.
WiMAX Forum member organizations that have made contributions to the material
presented in this paper are:
Alvarion
Arraycomm
ATT
Beceem
Intel
Motorola
Nortel
Samsung
The WiMAX Forum is especially grateful to participants from Intel, Motorola, and Nortel
for their dedicated efforts and substantial contributions towards completing this paper in a
timely manner. The overall preparation and editing was done by Doug Gray, a
Telecommunications Consultant under contract to the WiMAX Forum.
【目 录】:
EXECUTIVE SUMMARY ................................................................................................ 8
Mobile WiMAX: A Technical Overview and Performance Evaluation............................. 9
Introduction ......................................................................................................................... 9
2. Physical Layer Description ........................................................................................... 11
2.1 OFDMA Basics....................................................................................................... 11
2.2 OFDMA Symbol Structure and Sub-Channelization ............................................. 13
2.3 Scalable OFDMA.................................................................................................... 15
2.4 TDD Frame Structure ............................................................................................. 16
2.5 Other Advanced PHY Layer Features .................................................................... 17
3. MAC Layer Description ............................................................................................... 19
3.1 Quality of Service (QoS) Support........................................................................... 19
3.2 MAC Scheduling Service ....................................................................................... 21
3.3 Mobility Management............................................................................................. 22
3.3.1 Power Management ......................................................................................... 22
3.3.2 Handoff ............................................................................................................ 23
3.4 Security ................................................................................................................... 24
4. Advanced Features of Mobile WiMAX........................................................................ 25
4.1 Smart Antenna Technologies .................................................................................. 25
4.2 Fractional Frequency Reuse.................................................................................... 27
4.3 Multicast and Broadcast Service (MBS)................................................................. 29
5. Mobile WiMAX System Performance Evaluation ....................................................... 30
5.1 Mobile WiMAX System Parameters ...................................................................... 30
5.2 Mobile WiMAX Link Budget................................................................................. 32
5.3 Mobile WiMAX MAP Reliability and Overhead................................................... 34
5.4 WiMAX System Performance................................................................................ 37
6. End-to-End WiMAX Architecture................................................................................ 40
7. Other Considerations .................................................................................................... 47
7.1 Mobile WiMAX Open Standards and Ecosystem .................................................. 47
7.2 Mobile WiMAX Applications ................................................................................ 48
7.3 Mobile WiMAX Spectrum Considerations ............................................................ 49
7.4 Roadmap for WiMAX Products ............................................................................. 49
8. Conclusion .................................................................................................................... 50
References........................................................................................................................ 52[br]<p align=right><font color=red>+3 RD币</font></p> |
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