面向差异化业务保障的自适应信道预约多址接入协议

Ze Liu, Bo Li, Mao Yang, Zhongjiang Yan

科研成果: 期刊稿件文章同行评审

1 引用 (Scopus)

摘要

Ad Hoc network is widely used because of its distributed flexibility, in which nodes may generate different types of traffic, and some high-priority traffic requires lower delay and other Quality of service (QoS) requirements. However, as the load of traffic increases, the probability of conflict increases significantly, which makes it difficult to guarantee the requirement of these traffic. It is significant to design the efficient multiple access protocol to ensure the quality of different kinds of traffic. Channel reservation mechanism is an important method to ensure QoS. However, the existing channel reservation mechanism does not fine-adjust reservation parameters according to the QoS when dealing with various traffic differently, and the differentiation mechanism is rough. In addition, it is difficult to ensure the performance of common services when low-latency services are met. Therefore, a differentiated service guarantee adaptive reservation mechanism (DSGARM) to solve the above problems is proposed. The core idea of the protocol is to provide differentiated services in detail according to the delay tolerance requirements of each business. Absolute reservation mechanism is used to guarantee delay-sensitive services, and relative reservation mechanism is used to service relatively delay-insensitive services. In the protocol, a model is established to design an adaptive algorithm to quantitatively calculate reservation parameters that meet the delay requirements. On the premise of prioritized reservation for various services, appropriate reservation parameters can be adjusted according to network conditions to ensure the delay tolerance requirements of each type of service. The present work can be widely applied to scenarios with differentiated business requirements. The simulation results show the advantages of the present protocol and have great practical significance.

投稿的翻译标题Adaptive channel reservation multiple access protocol based on differentiated traffic guarantee
源语言繁体中文
页(从-至)84-91
页数8
期刊Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University
42
1
DOI
出版状态已出版 - 2月 2024

关键词

  • Ad Hoc networks
  • channel reservation mechanism
  • traffic differentiation

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