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High-speed time division multiplexing communication bus time slot allocation and control method

A technology of time slot allocation and communication bus, which is applied in the field of computer communication and can solve the problems of low transmission reliability and poor flexibility.

Active Publication Date: 2021-05-07
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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Problems solved by technology

[0009] The technical problem solved by the present invention is: Aiming at the problems of poor flexibility and low transmission reliability of the time slot allocation method in the current prior art, a command / response-oriented high-speed time division multiplexing communication bus time slot allocation and control is proposed method

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  • High-speed time division multiplexing communication bus time slot allocation and control method
  • High-speed time division multiplexing communication bus time slot allocation and control method
  • High-speed time division multiplexing communication bus time slot allocation and control method

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Embodiment Construction

[0036] A high-speed time-division multiplexing communication bus time slot allocation and control method, the bus controller completes reliable and effective data exchange in different time periods on the command / response communication bus, and solves the problems of poor flexibility and low transmission reliability of the time slot allocation method problem, the specific steps are as follows:

[0037] (1) Set the bus controller as the master control device of the communication bus to allocate and manage time slots, and perform data transmission through the remote terminal according to the time slot allocation;

[0038] (2) Initialize the time slot allocation method, and start the remote terminal for data transmission according to a preset sequence within the time slot allocation time window of the same period.

[0039] Among them, the time slot allocation time window contains multiple time slot allocation processes, specifically:

[0040] At the trigger time point of the tim...

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Abstract

A time slot allocation and control method for a high-speed time division multiplexing communication bus performs time slot allocation and management through a bus controller, realizes data transmission between the bus controller and a remote terminal, is flexible in allocation method, can timely and effectively process various abnormal conditions on the bus, avoids data loss, and realizes the reasonable and effective time slot management and control; all data transmission is carried out under the command of the bus controller, the reliability is high, priorities are set for different data transmission requests, and the data requests with high real-time requirements can be sent in time and the transmission delay is small.

Description

technical field [0001] The invention relates to a high-speed time-division multiplexing communication bus time slot allocation and control method, which belongs to the field of computer communication. Background technique [0002] Data bus technology is the core technology of electronic integration of aerospace equipment, which solves the problem of information transmission and information sharing of each subsystem equipment in the aerospace electronic system. Among them, the command / response communication bus is mainly composed of a bus controller and multiple remote terminals. The bus controller controls the transmission mode of information, issues corresponding commands, checks the working conditions of the entire bus and participates in all information transmission. The remote terminal responds to the command issued by the bus controller and completes the corresponding data exchange task. There is only one set of transmission data on the bus at the same time. Different ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L12/403
CPCH04L12/40156H04L12/4035
Inventor 张宏波梁烁马骉王士锋郭萌孟振华
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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