handoff prioritization and decision schemes in wireless cellular networks: a survey
DESCRIPTION
Handoff Prioritization and Decision Schemes in Wireless Cellular Networks: a Survey. 陳恂達 Hsun-Da Chen Institute of Communications Engineering National Chung Cheng University. Author: Aggeliki Sgora Dimitrios D. Vergados. IEEE COMMUNICATIONS & TUTORIALS, VOL. 11, NO. 4, FOURTH QUARTER 2009. - PowerPoint PPT PresentationTRANSCRIPT
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Handoff Prioritization and Decision Schemes in Wireless Cellular Networks: a Survey
陳恂達 Hsun-Da Chen
Institute of Communications EngineeringNational Chung Cheng University
Author:
Aggeliki Sgora
Dimitrios D. Vergados
IEEE COMMUNICATIONS & TUTORIALS, VOL. 11, NO. 4, FOURTH QUARTER 2009
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Outline
Introduction Handoff Process Horizontal Handoff Process Vertical Handoff Process Conclusion References
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Introduction
Cellular Networks Handoff Horizontal Handoff Vertical Handoff
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Introduction
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Handoff Process
Types of Handoff Performance Metrics of Handoff Schemes
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Handoff Process
Types of Handoff
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Handoff Process
Types of Handoff
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Handoff Process
Performance Metrics of Handoff SchemesNew (or originating) call blocking probabilityHandoff call blockingHandoff probabilityCall droppingDelayChannel utilization efficiency
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Horizontal Handoff Process
Handoff PhasesMeasurementInitiationDecision
Mobile-Controlled Handoff (MCHO) Network-Controlled Handoff (NCHO) Mobile-Assisted Handoff (MAHO)
Execution
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Horizontal Handoff Process
Handoff Schemes
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Horizontal Handoff Process
Handoff Schemes
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Horizontal Handoff Process
Handoff SchemesNon-Prioritized Scheme (NPS)Prioritization Schemes
Channel Reservation Schemes (CRS) Handoff Queuing Schemes (HQS) Channel Transferred Handoff Schemes (CTS) SubRating Schemes (SBRS) Genetic Handoff Schemes (GHS) Hybrid Handoff Schemes (HHS)
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Horizontal Handoff Process
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Vertical Handoff Process
Handoff PhasesSystem discoveryHandoff decisionHandoff execution
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Vertical Handoff Process
Handoff Schemes
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Vertical Handoff Process
Vertical Handoff SolutionsNetwork Layer Vertical Handoff Solutions
WWAN-WLAN 3G-WLAN
Upper Layer Vertical Handoff Solutions Migration Monitor Module Handoff-aware TCP Core Module Resumption Module
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Conclusion
Handoff schemes on homogeneous and heterogeneous networks.
Pros and cons of handoff schemes The most recent handoff prioritization
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References
[1] Sgora, A.; Vergados, D.D.; Communications Surveys & Tutorials, IEEE Volume 11, Issue 4, Fourth Quarter 2009 Page(s):57 - 77