arq error control 中文意思是什麼
arq error control
解釋
自動請求重發設備的差錯控制-
Secondly, the ipos is introduced on the whole, including network architecture, protocol reference mode, and two key technologies : the hybrid arq error control and adaptive coding modulation. meanwhile, the qos standard specifically used in the dissertation is presented
之後從總體上對ipos協議進行介紹，分析了其網路結構，協議模型，混合arq控制機制、自適應編碼調制這兩項ipos協議的主要技術組成等內容，並提出了本課題採用的qos指標。 -
This thesis discusses detailedly the flow process of ip multicast, error discovery method and error recovery method, and also proposes a new error control method to implement reliable multicast in computer supported cooperative design system : serial integrates with timer are used to discover error, arq mechanism based on nak feedback is modified to correct error, " sliding window " mechanism is imported to make up the drawbacks of traditional nak, and " slotting and damping " technique is used to resolve the question of " feedback implosion " which results from multicast reliability control
詳細研究了ip多播傳輸的流程、數據傳輸的差錯檢測方法及差錯恢復方法，提出在協同設計系統中實現可靠多播的控制方法：利用序列號和計時器相結合的方法進行傳輸數據的差錯檢測，改進了基於nak反饋信息的arq重傳機制來實現差錯恢復，並引入了滑動窗口機制來解決傳統nak方法的不足，採用「時間分槽?抑制」技術來解決由於進行多播可靠控制而產生的「反饋內陷」問題。
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