contention window 中文意思是什麼

contention window 解釋
競爭窗口
  • contention : n. 1. 斗爭，競爭，爭論。2. （爭論中的）論點，主張。
  • window : n 1 窗；窗口，窗戶；窗扉，窗框；窗玻璃；（商店的）櫥窗；【計算機】窗口〈電腦視頻顯示器屏幕上的視...
  1. We use the leap, linear and exponential methods to reduce the minimum contention window ( ) and the distributed inter frame space ( difs ), so

    提高優先級的方法採用減小dcf中的和difs ，分別採用階躍的、線性的和指數的不同方法實現。
  2. In qg - dcf, qos grades include both delay grade and packet drop probability grade. qg - dcf supports the two grades by means of adjusting the minimum contention window and the maximum re - transmission limit

    Qg一dcf提供兩種qos分級服務:時延分級和丟組率分級，並且分別通過調節最小競爭窗口和最大重傳次數來實現這兩種分級服務。
  3. A markov model is used for calculation of dcf throughput. it is disclosed that the key parameters are the number of contending stations and the length of contention window. the maximum throughput and the best parameters are offered by theoretical analysis

    對dcf部分，利用markov模型推導網路吞吐量性能，指出競爭站點數和競爭窗口長度是關鍵性能參數，從理論上給出最大吞吐量和最優參量值。
  4. A qos - support protocol, m - dcf, and its schedule model are proposed. by providing different contention window for different classes, the higher class frames the higher access probability. the simulation proves that m - dcf has better performance than dcf protocol on system throughput, discard ratio, frame discard ratio of higher classes, average access delay of different classes

    提出了為不同等級幀提供不同競爭窗口的改進型dcf ： m - dcf協議，並給出了m - dcf的調度模型，通過採用不同的競爭窗口，為不同n西安電子科技大學博士學位論文:無線局域網和ip服務質量關鍵技術的研究的應用提供了不同的接入概率，保證了qos ;模擬結果證明了m一dcf在系統吞吐率、丟包率、高等級業務丟包率、不同等級業務的平均接入時延等方面都優于dcf協議。
  5. Specifically, for the first time all factors impairing tcp performance are identified based on network protocol hierarchy, i. e., lossy wireless channel at the physical layer ; excessive contention and unfair access at the mac layer ; frail routing protocol at the network layer, the mac layer and the network layer related mobile node ; unfit congestion window size at the transport layer and the transport layer related asymmetric path

    Tcp是一種面向連接的可靠傳輸層協議，最初是針對有線網路設計的。由於有線網路鏈路可靠性高，傳統tcp認為丟包和亂序是由網路擁塞所導致。然而，在manets中，眾多非擁塞因素導致了丟包和亂序。
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