Contract Based Information Collection in Underwater Acoustic Sensor Networks

We examine the problem of Value of Information (VoI) based underwater information collection, which is the essence of many underwater applications such as depth surrounding oil platforms, monitoring of algal blooms and so on. Even if the information collection work has been carried out much in the terrestrial scenario, due to complicated physical, technological and economic differences between the terrestrial and underwater cases, it is not feasible to simply apply the existing terrestrial tricks. The existing cooperative Autonomous Underwater Vehicle (AUV) working paradigms are limited to omniscience of communication channel information among the AUVs, which is yet not practical in such a harsh communication environment. Therefore, we propose a contract based model which has little restriction on the communication channel to overcome information asymmetry and jointly optimizes energy consumption and VoI. Besides, we provide a concrete theoretical proof of the contract items and carry out a performance simulation which shows the mechanism we design is operative. At last, we summarize our work and give an insight of the future research directions.

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