Method for Automatic Switching of Communication Channels
A communication channel and automatic switching technology, applied in wireless communication, electrical components, etc., can solve problems such as difficulty for staff, selection of communication modes for various communication channels, and restrictions on transmission efficiency communication channel working status, etc., to expand the selection range, improve The effect of emergency rescue capabilities
Inactive Publication Date: 2017-12-22
THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV
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[0008] The present invention aims to provide a method for automatically switching communication channels to solve the problem that the transmission efficiency of the existing emergency rescue command system is severely restricted by the working status of the communication channel in a single communication channel, and it is difficult for the staff to select the most optimal communication channel in a timely manner. The Problem of Optimal Channel Communication Patterns
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[0028] The invention is mainly applied in the command system of emergency medical rescue, and improves the ability of emergency medical rescue by adding multiple communication channels to reduce the harm of disaster events to the life and health of the people. In addition to the three different channel modes provided by traditional operators such as China Mobile, China Unicom and China Telecom, it also provides channel modes based on satellite communications such as Maritime Satellite and Beidou Satellite, which expands the selection of optimal communication channels. It is conducive to the efficient work of the emergency rescue system in the event of a disaster.
[0029] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0030] Such as figure 1 As shown, a method for automatic communication chann...
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The invention discloses a method for automatically switching a communication channel, aiming at solving the problems that the transmission efficiency of the existing emergency rescue command system in the single communication channel is seriously limited by the working state of the communication channel, and a worker can not easily select the optimal communication channel mode from multiple communication channels. The method comprises the following steps of firstly evaluating the transmission quality of the plurality of available communication channels to generate an evaluation result; determining the optimal communication channel according to the evaluation result; if information data need to be received and transmitted, automatically switching the optimal communication channel by a working channel; and giving the network parameters of the working channel to computers of the receiving part and the transmitting part to establish the communication link between the information receiving part and the information transmitting part. A cache device is also added into the method, and is used for carrying out breakpoint recording on the information data when a network is temporarily disconnected and carrying out breakpoint resume on the information data when the network is connected again; and after the transceiving process is finished once, the information data of the this time in the cache device are deleted.
Description
technical field [0001] The invention belongs to the technical field of wireless network communication, and specifically relates to a method for automatically switching communication channels in an emergency medical rescue command system. Background technique [0002] The emergency medical rescue command system is mainly to reduce the hazards of disaster events to the lives and health of the people and improve the ability of emergency medical rescue. The system is mainly supported by emergency medical rescue information, and cooperates with emergency medical rescue agencies and government emergency office systems to maximize the medical rescue work for emergencies and better protect the lives of the people. [0003] In the existing command systems in the fields of emergency medical rescue and other fields, due to the versatility and economy of the command system, most command systems mainly use the current global 3G Internet network and GSM / CDMA / GPRS as the communication mode...
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IPC IPC(8): H04W36/30
Inventor 任家顺卢艳娥陈渝何盼郑志浩王维远
Owner THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV