Frequency hopping communication method based on self-adopting channel

Abstract

The invention discloses a frequency hopping communication method based on a self-adopting channel. A main station and two slave stations are used to form a wireless networking communication system. The frequency hopping communication method comprises steps that S1, the main station and the slave stations are used as communication nodes; S2, m frequency points F1-Fm distributed in the whole working frequency are selected randomly from K fixed frequency hopping frequencies f1-fK of the wireless networking communication system, and are used as handshake communication frequencies among links; S3,after a node 1 is electrified, a slot 1- a slot 7 of an access synchronous frame are divided, and the self-adapting access of the various nodes is completed; S4, the self-adapting access is completed, and thereafter a slot 1-a slot 6 of a self-adapting channel frame are divided, and then self-adapting channel detection is carried out; S5, according to a self-adapting channel detection result, a self-adapting channel transmission strategy is made, and networking communication among the nodes is completed. Bad influences of working frequency bands caused by interference frequency points are effectively reduced, and accurate and rapid frequency hopping communication is facilitated.

Description

technical field [0001] The invention relates to networked frequency hopping communication, in particular to a frequency hopping communication method based on an adaptive channel. Background technique [0002] The wireless ad hoc network is a wireless ad hoc network that does not depend on any fixed infrastructure. Broad application prospects; in order to work normally based on the TDMA network, network synchronization must be established so that the network units work on the same time reference, the time slots of the site must be synchronized with the time reference, and channel sharing is realized by using the orthogonality of time. Each station in the network works according to the time slot mode, and there is no problem of collision and mutual competition; network access synchronization is an indispensable step for terminals to participate in network communication; During the process, the working frequency band may be interfered, which will have an adverse effect on the ...

AI Technical Summary

Problems solved by technology

[0002] The wireless ad hoc network is a wireless ad hoc network that does not depend on any fixed infrastructure. Broad application prospects; in order to work normally based on the TDMA network, network synchronization must be established so that the network units work on the same time reference, the time slots of the site must be synchronized with the time reference, and channel sharing is realized by using the orthogonality of time. Each station in the network works according to the time slot mode, and there is no problem of collision and mutual competition; network access synchronization is an indispensable step for terminals to participate in network communication; During the process, the working frequency band may be interfered, which will have an adverse effect on the network frequency hopping communication

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