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	Dynamic coded cooperative ARQ for multi-hop underwater acoustic networks
	Chen, Yougan ; Xu, Xiaomei ; Zhou, Shengli ; Su, Haitao ; Zhang, Lan ; Chen YG(陈友淦) ; Xu XM(许肖梅) ; Zhang L(张兰)
	2014
关键词	Data communication systems Error correction Mobile telecommunication systems Orthogonal frequency division multiplexing
英文摘要	Conference Name:OCEANS 2014 - Taipei. Conference Address: Taipei, Taiwan. Time:April 7, 2014 - April 10, 2014.; Dynamic coded cooperation (DCC) does not need extra transmission time scheduled for the relay, which is appealing to the bandwidth-limited high-delay underwater acoustic (UWA) environment. In this paper, we propose dynamic coded cooperative automatic repeat request (DCC-ARQ) protocol for multi-hop UWA networks. A transmission packet with multiple blocks is taken as a one-shot unit, where an erasure-correction code is used for inter-block encoding. Adopting the DCC scheme in each hop UWA transmission, the half-duplex cooperative node switches to cooperation phase immediately after it decodes the cooperative message, which provides a more reliable cooperative path for the specific three-node network. Further, if the relay (or destination in the last hop) node sends a negative acknowledgement (NACK) to the upstream cooperative node, the cooperative node only needs to retransmit parts of the packet under DCC-ARQ mechanism, hence a reduced end-to-end transmission latency can be achieved. Simulation results show that for a one-shot transmission, the proposed protocol achieves good balance between the reduced end-to-end delay and decent outage performance, relative to existing protocols.
语种	英语
出处	http://dx.doi.org/10.1109/OCEANS-TAIPEI.2014.6964304
出版者	Institute of Electrical and Electronics Engineers Inc.
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/85340]
专题	海洋环境－会议论文
推荐引用方式 GB/T 7714	Chen, Yougan,Xu, Xiaomei,Zhou, Shengli,et al. Dynamic coded cooperative ARQ for multi-hop underwater acoustic networks. 2014-01-01.

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