I. Introduction
In recent years, with the development of communication technology, a large number of small devices with sensing and computing capabilities have been popularized. Mobile Ad Hoc Network (MANET) is developing vigorously. Mobile ad hoc networks have the characteristics of self-discovery, automatic configuration, self-organization and self-healing. Through different types of intelligent devices and sensors, it can be used in most serious situations which can not be directly monitored by human beings, such as oceans, forest fires, rivers and lakes. Comprehensive services such as data collection, interaction, processing, etc. For physical quality inspection [1] and mine inspection [2]. The opportunistic network (ON) [3] is a kind of MANET that does not require a complete link between the source node and the target node. By using opportunistic communication mechanism, communication can be realized through the opportunity of node movement.