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DBR-MAC: A Depth-Based Routing Aware MAC Protocol for Data Collection in Underwater Acoustic Sensor Networks
Li, Chao; Xu, Yongjun; Diao, Boyu; Wang, Qi; An, Zhulin
2016-05-15
发表期刊IEEE SENSORS JOURNAL
ISSN1530-437X
卷号16期号:10页码:3904-3913
摘要Due to long propagation delays, routing discovery is very expensive in underwater acoustic sensor networks. Therefore, depth-based routing (DBR) protocols are usually preferred whose routing discovery cost is almost zero. However, DBR protocols working with broadcast medium access control (MAC) bring severe collisions especially in the data collection network. Moreover, in DBR, all the packets are forwarded from deep to shallow nodes along the direction toward the sink node. The directional packet transmissions may lead to load imbalance, where some nodes undertake most loads and we call these nodes key nodes. However, the majority of existing MAC protocols cannot provide the key nodes priority of accessing channel in the collision domain. It is necessary to design a MAC protocol coupling with DBR. In this paper, we adopt a cross-layer approach to propose a DBR aware MAC protocol called DBR-MAC, which smoothly integrates a handshaking-based MAC and a DBR protocol. It improves the throughput, energy, and time efficiency at the cost of fairness. A depth-based transmission scheduling scheme is introduced based on the depth information, angle information, and overheard one-hop neighboring nodes' transmissions to make key nodes have higher priority to access the channel than other nodes. DBR-MAC is a cross-layer scheme and its directional forwarding tries best to forward packets from source to the floating sink node by the least hops. Moreover, an adaptive depth-based backoff algorithm cuts down the backoff time for the nodes and prevents the congestions at key nodes. Extensive simulations show that the throughput, energy, and time efficiency of DBR-MAC outperform existing MAC protocols when applied in the data collection network.
关键词Cross-layer depth-based data collection fairness imbalance underwater acoustic sensor networks
DOI10.1109/JSEN.2016.2530815
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[61173132] ; National Natural Science Foundation of China[61274033] ; National Natural Science Foundation of China[61303245]
WOS研究方向Engineering ; Instruments & Instrumentation ; Physics
WOS类目Engineering, Electrical & Electronic ; Instruments & Instrumentation ; Physics, Applied
WOS记录号WOS:000374239600070
出版者IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
引用统计
被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.204/handle/2XEOYT63/8542
专题中国科学院计算技术研究所期刊论文_英文
通讯作者Li, Chao; Xu, Yongjun; Diao, Boyu; Wang, Qi; An, Zhulin
作者单位Chinese Acad Sci, Inst Comp Technol, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Li, Chao,Xu, Yongjun,Diao, Boyu,et al. DBR-MAC: A Depth-Based Routing Aware MAC Protocol for Data Collection in Underwater Acoustic Sensor Networks[J]. IEEE SENSORS JOURNAL,2016,16(10):3904-3913.
APA Li, Chao,Xu, Yongjun,Diao, Boyu,Wang, Qi,&An, Zhulin.(2016).DBR-MAC: A Depth-Based Routing Aware MAC Protocol for Data Collection in Underwater Acoustic Sensor Networks.IEEE SENSORS JOURNAL,16(10),3904-3913.
MLA Li, Chao,et al."DBR-MAC: A Depth-Based Routing Aware MAC Protocol for Data Collection in Underwater Acoustic Sensor Networks".IEEE SENSORS JOURNAL 16.10(2016):3904-3913.
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