Proposals of handoff procedures and queue management methods for improving communication efficiency in Mobile Internet environments モバイルインターネット環境における通信効率改善のためのハンドオフ方式及びキュー管理方式の提案

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著者

    • 大坐畠, 智 オオザハタ, サトシ

書誌事項

タイトル

Proposals of handoff procedures and queue management methods for improving communication efficiency in Mobile Internet environments

タイトル別名

モバイルインターネット環境における通信効率改善のためのハンドオフ方式及びキュー管理方式の提案

著者名

大坐畠, 智

著者別名

オオザハタ, サトシ

学位授与大学

筑波大学

取得学位

博士 (工学)

学位授与番号

甲第3172号

学位授与年月日

2003-03-25

注記・抄録

博士論文

This thesis mainly discusses the micro mobility problem in Mobile IP, QoS for mobile Internet environments and TCP in wireless environments. To overcome micro-mobility problem for Mobile IP, a seamless handoff method is proposed. The proposed method has simple mobility prediction control for the mobile node and the registration procedures are previously executed until the mobile node completely changes the connection point to theInternet. The seamless handoff method achieves complete elimination of the communicationdisruption with changing the connection point. The mobility prediction control is also extended to secure and high quality communications. These methods are also realized by the previous authentication or resource reservation for the next connectable base station. An adaptive handoff algorithm is also proposed for improving network resource utilization. The control is realized by improving typical “threshold-hysteresis algorithm.”Finally, a queue management method is proposed for improving TCP performance in wireless environments.

Thesis (Ph. D. in Engineering)--University of Tsukuba, (A), no. 3172, 2003.3.25

Includes bibliographical references

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各種コード

  • NII論文ID(NAID)
    500000242540
  • NII著者ID(NRID)
    • 8000000243152
  • 本文言語コード
    • eng
  • NDL書誌ID
    • 000004277827
  • データ提供元
    • 機関リポジトリ
    • NDL ONLINE
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