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DOI10.1109/TWC.2016.2646682
Leveraging the Near-Far Effect for Improved Spatial-Reuse Scheduling in Underwater Acoustic Networks
Diamant, Roee1; Casari, Paolo2; Campagnaro, Filippo3; Zorzi, Michele3
通讯作者Diamant, Roee
来源期刊IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
ISSN1536-1276
EISSN1558-2248
出版年2017
卷号16期号:3页码:1480-1493
英文摘要

We present a spatial reuse resource allocation scheme for underwater acoustic networks that organizes communications so as to avoid destructive collisions. One prime source of collisions in underwater acoustic networks is the so called near-far effect, where a node located farther from the receiver is jammed by a closer node. While common practice considers such a situation a challenge, in this paper we consider it a resource, and use it to increase the network throughput of spatial-reuse time-division multiple access. Our algorithm serves two types of communications: 1) contention-free and 2) opportunistic. Our objective is to maximize the time slot allocation, while guaranteeing a minimum per-node packet transmission rate. The result is an increase in the number of contention-free packets received, and a decrease in the scheduling delay of opportunistic packets. Numerical results show that, at a slight cost in terms of fairness, our scheduling solutions achieve higher throughput and lower transmission delay than benchmark spatial-reuse scheduling protocols. These results are verified in a field experiment conducted in the Garda Lake, Italy, where we demonstrated our solution using off-the-shelf acoustic modems. To allow the reproducibility of our results, we publish the implementation of our proposed algorithm.


英文关键词Underwater acoustic networks near-far effect spatial-reuse scheduling time-division-multiple-access (TDMA) long propagation delay optimization simulation sea trial desert underwater
类型Article
语种英语
国家Israel ; Spain ; Italy
收录类别SCI-E
WOS记录号WOS:000396404600010
WOS关键词SENSOR NETWORKS ; COMMUNICATION-NETWORKS ; MAC PROTOCOL ; CHALLENGES ; ACCESS
WOS类目Engineering, Electrical & Electronic ; Telecommunications
WOS研究方向Engineering ; Telecommunications
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/199589
作者单位1.Univ Haifa, Dept Marine Technol, Haifa, Israel;
2.IMDEA Networks Inst, Madrid, Spain;
3.Univ Padua, Dept Informat Engn, Padua, Italy
推荐引用方式
GB/T 7714
Diamant, Roee,Casari, Paolo,Campagnaro, Filippo,et al. Leveraging the Near-Far Effect for Improved Spatial-Reuse Scheduling in Underwater Acoustic Networks[J],2017,16(3):1480-1493.
APA Diamant, Roee,Casari, Paolo,Campagnaro, Filippo,&Zorzi, Michele.(2017).Leveraging the Near-Far Effect for Improved Spatial-Reuse Scheduling in Underwater Acoustic Networks.IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS,16(3),1480-1493.
MLA Diamant, Roee,et al."Leveraging the Near-Far Effect for Improved Spatial-Reuse Scheduling in Underwater Acoustic Networks".IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 16.3(2017):1480-1493.
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