DARP: Distance-Aware Relay Placement in WiMAX Mesh Networks Weiyi Zhang * , Shi Bai * , Guoliang Xue § , Jian Tang † , Chonggang Wang ‡ * Department of Computer Science, North Dakota State University, Fargo § Department of Computer Science and Engineering, Arizona State University, Tempe † Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse ‡ NEC Laboratories America, Princeton, USA IEEE INFOCOM 2011
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DARP: Distance-Aware Relay Placement in WiMAX Mesh Networks Weiyi Zhang *, Shi Bai *, Guoliang Xue §, Jian Tang †, Chonggang Wang ‡ * Department of Computer.
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DARP: Distance-Aware Relay Placement in WiMAX Mesh Networks
Weiyi Zhang*, Shi Bai*, Guoliang Xue§, Jian Tang†, Chonggang Wang‡
* Department of Computer Science, North Dakota State University, Fargo§ Department of Computer Science and Engineering, Arizona State University, Tempe
† Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse‡ NEC Laboratories America, Princeton, USA
IEEE INFOCOM 2011
Outline
• Introduction
• Motivation & Problem
• Observation & Goals
• System Model
• Solution for DARP: Distance-Aware Relay station Placement– LORC-MIS // lower tier
– LORC-HS // lower tier
– MUST // upper tier
• Simulation
• Conclusion
Introduction
• The emerging WiMAX technology is the 4G standard for– high-speed (up to 75Mbps)
– long-range communications
BSSS
SS
SS
Introduction
• IEEE 802.16j enhances IEEE 802.16e by the concept of mesh networks– Base Station (BS)