Apparatus and method for monitoring location and emergency alarming of large-sized short-wave communication network marine vehicle

Abstract

The invention relates to a large-sized short wave communication network shipping position device and a method, wherein the large-sized short wave communication network shipping position device has a conventional position navigation function and an emergency alarm position function simultaneously, uses GPS signals as time synchronous signals of the shipping position device in a large-sized short wave communication network which comprises a half-duplex short wave radio station. Time is divided into time slots in a same short wave frequency point, a shipping short wave terminal is grouped and is connected with a control center in a certain time slot according to a certain order, and a group of terminals in a same time slot is connected with the control center of a system according to an OFDMA mode. A part of molecule carrier wave in orthogonal carrier wave which is divided by an OFDM is selected to use as a control signaling channel of the control center and the shipping short wave terminals. The invention can routinely position and monitor a plurality of ships, simultaneously, can monitor and position ships which send alarm in real time, also can release alarm information which is typhoon and the like through the control center and uniformly manage and conduct the ships, and the large-sized short wave communication network shipping position device is particularly suitable for areas where large fishing ground short wave communication devices are dense.

Description

technical field [0001] The present invention relates to a ship positioning monitoring and emergency alarm equipment and its method. Specifically, it is able to monitor ships while carrying out conventional positioning monitoring at a short-wave frequency point in a large-scale short-wave communication network. The alarming ship is monitored and positioned, and the large-scale short-wave communication network ship monitoring and positioning and emergency alarm equipment and methods thereof can be released through the control center to issue warning information such as typhoons and unified command and management. Background technique [0002] my country is a big fishery country, and the marine fishing industry and mariculture industry occupy an important position in the economy. The establishment of a complete maritime communication network is of great significance for ensuring the safety of fishermen's lives and property, and improving the informatization and modernization of...

AI Technical Summary

Problems solved by technology

[0006] At present, although there are some positioning and navigation systems that form a network of terminals with positioning functions, the GPS positioning information is sent back to the control center through the communication module, which is convenient for the user to grasp the positioning information of the terminal or facilitate the monitoring and management of the management department, but considering the short-wave communication Due to the specific characteristics of offshore production activities, the problem of how to ensure that the emergency alarm information sent by the terminal is transmitted to the control center with high priority and effectively in a conventional positioning system such as regular query at a short-wave frequency point has not been resolved. ; At the same time, how to send the warnings such as typhoon issued by the control center to the ship in time through the conventional positioning system is also a problem that needs to be solved

Images