本文選題：協(xié)議序列 + 時隙非同步　； 參考：《南京理工大學》2017年碩士論文

【摘要】：協(xié)議序列是一種具有漢明互相關特性的確定性二進制周期序列,用于無反饋沖突信道的信道接入控制,可以無需時鐘同步為各網絡節(jié)點提供吞吐率以及時延性能保障。UI序列是一種特殊的協(xié)議序列,能夠基于時隙同步信道以及單包接收機制保證各節(jié)點在一個序列周期內至少成功發(fā)送一次數據,因此對于對傳輸時限和可靠性有嚴格要求的無線傳感器網絡有重要研究意義。本論文基于UI序列的設計目標,分別針對更靈活的數據傳輸要求、時隙非同步信道以及物理層多包接收機制,對序列構造以及序列平均時延性能進行進一步深入研究,具體工作包括:(1)提出能夠確保每個節(jié)點基于時隙同步信道以及單包接收機制在一個序列周期內至少成功發(fā)送g個數據的g-UI序列,并對其構造方法以及理論平均傳輸時延進行研究。(2)針對能夠基于時隙非同步信道以及單包接收機制保證各節(jié)點在一個序列周期內至少成功發(fā)送一次數據的CI序列,進行平均傳輸時延的理論分析。(3)提出能夠基于時隙同步信道以及多包接收機制確保每個節(jié)點在一個周期內至少成功發(fā)送一次數據的UI序列,并對其序列構造以及理論平均傳輸時延進行研究。論文通過仿真實驗驗證了以上三項工作理論分析的準確性,并且表明各類序列相比于Aloha隨機接入機制的時延性能具有優(yōu)越性。
[Abstract]:Protocol sequence is a deterministic binary periodic sequence with the property of hamming cross-correlation, which is used for channel access control in non-feedback conflict channel. It is a special protocol sequence that can provide throughput and delay performance guarantee for each network node without clock synchronization. Based on slot synchronization channel and single packet receiving mechanism, each node can successfully transmit data at least once in a sequence cycle, so it is important to study wireless sensor networks with strict transmission time and reliability. Based on the design goal of UI sequence, this paper makes further research on sequence construction and average delay performance for more flexible data transmission requirements, time-slot asynchronous channel and physical layer multi-packet reception mechanism. The specific work includes: (1) A proposed g-UI sequence that can ensure that each node can transmit at least g data successfully in a sequence cycle based on slot synchronization channel and single packet receiving mechanism. The construction method and the theoretical average transmission delay are studied. (2) aiming at CI sequences which can transmit data successfully at least once in a sequence cycle based on time slot non-synchronous channel and single packet receiving mechanism. A theoretical analysis of average transmission delay. (3) A UI sequence based on slot synchronization channel and multi-packet receiving mechanism is proposed to ensure that each node successfully transmits data at least once in a period. The sequence construction and theoretical average transmission delay are studied. The accuracy of the theoretical analysis of the above three tasks is verified by simulation experiments, and it is shown that the delay performance of all kinds of sequences is superior to that of the Aloha random access mechanism.
【學位授予單位】：南京理工大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP212.9;TN929.5

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本文編號：1946084