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IEEE 802.11 무선 랜을 위한 핸드오프 기술과 전망

Handoff Technology for the 802.11 WLANs

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초록

스마트 폰 및 태블릿 PC등과 같은 휴대형 스마트 단말기가 빠르게 보급되면서 IEEE 802.11 무선랜 환경하에서 사용자가 이동할 때에도 서비스가 끊어지지 않고 지속적으로 유지되도록 하는 핸드오프 기술이 매우 중요하게 되었다. 본 고에서는 지금까지 진행된 무선랜 환경하에서의 핸드오프 기술에 대해서 알아보고 향후 발전 방향에 대해 논한다.

Abstract

Thanks to tremendous popularity of smart devices including smart phones and tablet PCs, the handoff technology is highlighted since it becomes important to provide seamless services for the moving users in the 802.11 Wireless Local Area Networks (WLANs). In this paper, we investigate what issues have been studied for the WLAN handoff. Also, we briefly discuss what issues should be pursued for future handoff technology in the 802.11 WLAN environments.

참고문헌 (20)

  1. "IEEE 802.11ai", D0.5, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 7: Fast Initial Link Set, 2013
  2. "IEEE 802.11-1999, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications", ~ (2012)
  3. Sunggeun Jin, "Fast Scanning Schemes for IEEE 802.11 WLANs in Virtual AP Environments", Elsevier Computer Networks (2011)
  4. Xi Chen, "HaND: Fast Handoff with Null Dwell Time for IEEE 802.11 Networks", Proc. IEEE Infocom 2010 (2010)
  5. "IEEE P802.11ac", D5.0, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications Amendment 4: Enhancements for Very High Throughput for Operation in Bands below 6 GHz, 2013
  6. 진성근, "IEEE 802.15.8 Peer Aware Communications 기술 표준화", OSIA S&TR Journal (2012)
  7. Sunggeun Jin, "Fast Scanning Schemes for IEEE 802.11 WLANs in Virtual AP Environments", Elsevier Computer Networks (2011)
  8. Tao Jin, "WiZi-Cloud: Application-transparent dual ZigBee-WiFi Radios for Low Power Internet Access", Proc. INFOCOM’11 (2011)
  9. Ruogu Zhou, "ZiFi: Wireless LAN Discovery via ZigBee Interference Signatures", Proc. MobiCom’10 (2010)
  10. Sunggeun Jin, "Multiple WNIC-Based Handoff in IEEE 802.11 WLANs", IEEE Communications Letters (2009)
  11. Ganesh Ananthanarayanan, "Blue-Fi: Enhancing Wi-Fi Performance using Bluetooth Signals", Proc. MobiSys’09 (2009)
  12. Haitao Wu, "Proactive Scan: Fast Handoff with Smart Triggers for 802.11 Wireless LAN", Proc. IEEE Infocom 2007 (2007)
  13. Seongkwan Kim, "An Empirical Measurements-based Analysis of Public WLAN Handoff Operations", Proc. WILLOPAN’06 (2006)
  14. Sangheon Pack, "SNC: A Selective Neighbor Caching Scheme for Fast Handoff in IEEE 802.11 Wireless Networks", ACM Mobile Computing and Communications Review (2005)
  15. Ishwar Ramani, "SyncScan: Practical Fast Handoff for 802.11 Infrastructure Networks", Proc. IEEE Infocom 2005 (2005)
  16. Hye-Soo Kim, "Selective Channel Scanning for Fast Handoff in Wireless LAN using Neighbor Graph", Proc. ITS-CSCC’04 (2004)
  17. Minho Shin, "Improving the Latency of 802.11 Hand-offs using Neighbor Graphs", Proc. ACM MobiSys’04 (2004)
  18. Héctor Velayos, "Techniques to Reduce the IEEE 802.11b Handoff Time", Proc. IEEE ICC’04 (2004)
  19. Arunesh Mishra, "Context Caching using Neighbor Graphs for Fast Handoffs in a Wireless Network", Proc. IEEE INFOCOM’04 (2004)
  20. Arunesh Mishra, "An Empirical Analysis of the IEEE 802.11 MAC Layer Handoff Process", ACM SIGCOMM Computer Communication Review (2003)

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