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DS-MAC: An energy efficient demand sleep MAC protocol with low latency for wireless sensor networks

機(jī)譯：DS-MAC：針對(duì)無線傳感器網(wǎng)絡(luò)的低延遲的高能效需求睡眠M(jìn)AC協(xié)議

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摘要

Duty cycling mechanism has been widely used to conserve energy that consumed by idle listening in wireless sensor networks, while fixed duty cycling introduces transmission latency in packet delivery. End to end latency is one of the most significant factors of packets loss in wireless sensor nodes, and many techniques have been proposed based on listening adaptively to reduce delay, which are mainly designed for light traffic loads. In this paper, we propose a novel asynchronous duty cycling MAC protocol, called demand sleep MAC (DS-MAC) that allows nodes to adjust their sleep time adaptively according to the amount of the received data packets in order to efficient and effective communication in the dynamic traffic load. DS-MAC protocol attempts to transmit a series of short token packets to wake up the receiver, which avoids the overhearing problem. Nodes in DS-MAC put the prediction field into ACK packets, which decreases the waiting delay of source node. Comprehensive simulation shows that when there are variable flows, such as broadcast traffic or transmissions from hidden nodes, DS-MAC significantly decreases waiting delay and energy consumption. (C) 2015 Elsevier Ltd. All rights reserved.
機(jī)譯：占空比循環(huán)機(jī)制已被廣泛用于節(jié)省無線傳感器網(wǎng)絡(luò)中空閑偵聽所消耗的能量，而固定占空比循環(huán)則在數(shù)據(jù)包傳遞中引入了傳輸延遲。端到端延遲是無線傳感器節(jié)點(diǎn)中數(shù)據(jù)包丟失的最重要因素之一，基于自適應(yīng)偵聽以減少延遲的許多技術(shù)已被提出，這些技術(shù)主要用于輕載流量。在本文中，我們提出了一種新穎的異步占空比循環(huán)MAC協(xié)議，稱為需求睡眠M(jìn)AC（DS-MAC），該協(xié)議允許節(jié)點(diǎn)根據(jù)接收到的數(shù)據(jù)包的數(shù)量自適應(yīng)地調(diào)整其睡眠時(shí)間，以便在網(wǎng)絡(luò)中進(jìn)行有效的通信。動(dòng)態(tài)流量負(fù)載。 DS-MAC協(xié)議嘗試發(fā)送一系列短令牌包以喚醒接收器，從而避免了監(jiān)聽問題。 DS-MAC中的節(jié)點(diǎn)將預(yù)測(cè)字段放入ACK數(shù)據(jù)包中，從而減少了源節(jié)點(diǎn)的等待延遲。全面的仿真顯示，當(dāng)存在可變流量（例如廣播流量或來自隱藏節(jié)點(diǎn)的傳輸）時(shí)，DS-MAC可顯著減少等待延遲和能耗。 （C）2015 Elsevier Ltd.保留所有權(quán)利。

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  • 來源
    《Journal of network and computer applications》 |2015年第12期|155-164|共10頁
  • 作者單位

    Qufu Normal Univ, Sch Informat Sci & Engn, Rizhao 276826, Shandong, Peoples R China;

    Qufu Normal Univ, Sch Informat Sci & Engn, Rizhao 276826, Shandong, Peoples R China;

    Univ Hong Kong, Dept Comp Sci, Pokfulam, Hong Kong, Peoples R China;

    Harbin Engn Univ, Coll Comp Sci & Technol, Harbin, Peoples R China;

    Macau Univ Sci & Technol, Fac Informat Technol, Macau, Peoples R China;

    Qufu Normal Univ, Sch Informat Sci & Engn, Rizhao 276826, Shandong, Peoples R China;

  • 收錄信息 美國(guó)《科學(xué)引文索引》(SCI);美國(guó)《工程索引》(EI);
  • 原文格式 PDF
  • 正文語種 eng
  • 中圖分類
  • 關(guān)鍵詞

    Wireless sensor network; Duty cycling; Medium access control; Delay; Energy efficiency;

    機(jī)譯：無線傳感器網(wǎng)絡(luò)占空比介質(zhì)訪問控制延遲能源效率;

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