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CITP: Collision and Interruption Tolerant Protocol for Underwater Acoustic Sensor Networks
IEEE Communications Letters ( IF 4.1 ) Pub Date : 2020-06-01 , DOI: 10.1109/lcomm.2020.2985017
Ruiqin Zhao , Ning Li , Octavia A. Dobre , Xiaohong Shen

In underwater acoustic sensor networks (UASNs), the spatially and temporally varying acoustic channel causes random route interruptions and transmission void region. Further, the long propagation delay of acoustic links causes complicated randomness of packet collisions. Inspired by the unpredictability of both route interruptions and packet collisions in UASNs, a collision and interruption tolerant protocol (CITP) is proposed to jointly address the two challenges in a smart way. By exploiting the opportunistic transmission strategy, CITP forms the optimized route on the fly, which bypasses nodes that undergo collisions or interrupted links and void regions. Simulation results show that CITP achieves a high packet delivery ratio with reduced energy consumption.

中文翻译:

CITP:水下声学传感器网络的碰撞和中断容忍协议

在水下声学传感器网络 (UASN) 中,时空变化的声学通道会导致随机路径中断和传输空白区域。此外,声学链路的长传播延迟导致包冲突的复杂随机性。受 UASN 中路由中断和数据包冲突的不可预测性的启发,提出了一种冲突和中断容忍协议 (CITP),以智能方式共同应对这两个挑战。通过利用机会传输策略,CITP 动态形成优化路由,绕过发生碰撞或链路中断的节点和空白区域。仿真结果表明,CITP 在降低能耗的情况下实现了高数据包传输率。
更新日期:2020-06-01
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