1 / 18

Handoff Prioritization and Decision Schemes in Wireless Cellular Networks: a Survey

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.

mforde
Download Presentation

Handoff Prioritization and Decision Schemes in Wireless Cellular Networks: a Survey

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 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

  2. Outline • Introduction • Handoff Process • Horizontal Handoff Process • Vertical Handoff Process • Conclusion • References

  3. Introduction • Cellular Networks • Handoff • Horizontal Handoff • Vertical Handoff

  4. Introduction

  5. HandoffProcess • Types of Handoff • Performance Metrics of Handoff Schemes

  6. HandoffProcess • Types of Handoff

  7. HandoffProcess • Types of Handoff

  8. HandoffProcess • Performance Metrics of Handoff Schemes • New (or originating) call blocking probability • Handoff call blocking • Handoff probability • Call dropping • Delay • Channel utilization efficiency

  9. Horizontal Handoff Process • Handoff Phases • Measurement • Initiation • Decision • Mobile-Controlled Handoff (MCHO) • Network-Controlled Handoff (NCHO) • Mobile-Assisted Handoff (MAHO) • Execution

  10. Horizontal Handoff Process • Handoff Schemes

  11. Horizontal Handoff Process • Handoff Schemes

  12. Horizontal Handoff Process • Handoff Schemes • Non-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)

  13. Horizontal Handoff Process

  14. Vertical Handoff Process • Handoff Phases • System discovery • Handoff decision • Handoff execution

  15. Vertical Handoff Process • Handoff Schemes

  16. Vertical Handoff Process • Vertical Handoff Solutions • Network Layer Vertical Handoff Solutions • WWAN-WLAN • 3G-WLAN • Upper Layer Vertical Handoff Solutions • Migration Monitor Module • Handoff-aware TCP Core Module • Resumption Module

  17. Conclusion • Handoff schemes on homogeneous and heterogeneous networks. • Pros and cons of handoff schemes • The most recent handoff prioritization

  18. References • [1] Sgora, A.; Vergados, D.D.; Communications Surveys & Tutorials, IEEE Volume 11, Issue 4, Fourth Quarter 2009 Page(s):57 - 77

More Related