Inter-mobile node communication system with position prediction based on directional antenna

Abstract

The invention discloses an inter-mobile node communication system with position prediction based on a directional antenna. The system comprises a neighbor discovery module (1), an address analysis module (2), an address storage module (3), a position prediction module (4), a parameter setting module (5), a communication sending module (6), a communication receiving module (7) and a position correction module (8). Each mobile node in the system obtains position information of neighbor nodes through neighbor discovery operation. The node can perform position detection on surrounding neighbor nodes at regular intervals t and then communicate with predicted areas, and geographical position information of both parties are exchanged when the communication is successful; otherwise the node can automatically adopt a position prediction correction method for correction to perform the re-communication. In the system, a field angle of the directional antenna is used to perform regional definition to effectively reduce a radiofrequency coverage region during the communication of the nodes so as to reduce the energy consumption during the inter-mobile node communication, improve space usage rate, and increase the safety during the communication.

Description

technical field [0001] The present invention relates to a node position prediction and communication applicable to a wireless sensor network (MANET), more particularly, a method for mobile node position prediction and communication based on a directional antenna. Background technique [0002] MANET (mobile ad hoc net) is a wireless network composed of wireless sensor nodes that can communicate with each other. This network is often used in disaster recovery, survivor search and rescue, and other environments where wired networks are not available or difficult to function. [0003] There are two types of antennas used by wireless sensor nodes in the MANET network: omnidirectional antennas and directional antennas. [0004] The omnidirectional antenna has a 360° radio frequency range, so there is no need to point the antenna to the opposite end during communication. An omnidirectional antenna sends signals of the same strength in all directions, so its signal coverage area i...

AI Technical Summary

Problems solved by technology

[0009] To sum up, the existing position prediction methods have limitations in the MANET network and are not adaptable to the environment. They all need to do a lot of learning in the area to be tested. Once the area to be tested changes, the predicted The accuracy of the

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