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A working method of the network protocol of an arm-based parameter recognition system

A parameter identification and network protocol technology, which is applied in the field of network communication and satellite mobile communication, can solve problems such as the hardware implementation method of the blind identification algorithm without given password parameters, and achieve improved robustness and maintainability, high flexibility, and guaranteed reliability effect

Active Publication Date: 2019-12-13
SHANDONG UNIV
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Problems solved by technology

In order to ensure the reliability of data transmission in the channel, the paper "Research on Information Interception Technology Based on Convolutional Codes in Non-cooperative Communication" [Shandong University, Mei Wenjie, Master's Thesis, 2015.4.25] focuses on some special channels, such as frequency Calibration channel, common public channel and traffic channel, propose an encryption algorithm, and a cryptographic parameter blind recognition algorithm on the business channel, but this article does not give the specific hardware implementation method of the cryptographic parameter blind recognition algorithm

Method used

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  • A working method of the network protocol of an arm-based parameter recognition system
  • A working method of the network protocol of an arm-based parameter recognition system
  • A working method of the network protocol of an arm-based parameter recognition system

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Embodiment

[0039] Examples of the present invention figure 2 As shown, a working method of a network protocol based on an ARM-based parameter identification system, the system includes an ARM processor, a 100M network port, a network port socket and an FPGA module, and the network port socket adopts an RJ45 interface with a built-in transformer; ARM processing The device is connected to the FPGA module through the data line, address line and control signal line, the ARM processor is connected to the receiver through the RJ45 interface, and the receiver communicates according to the TCP / IP protocol; the FPGA module can complete the parameter identification algorithm, which is realized by the ARM processor The receiving and sending of external data, as well as the data interaction with the FPGA module; the data interaction process between the ARM processor and the FPGA module includes two aspects: After the ARM processor processes the data sent by the receiver, it communicates with the dat...

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Abstract

The invention provides a working method for a network protocol of a parameter identification system based on ARM, and belongs to the field of network communication and satellite mobile communication. According to the working method provided by the invention, a network interface based on ARM is designed and implemented for the parameter identification system for blind identification of traffic channel password parameters in an S standard. According to the implementation method, the parameter identification system and a third-party receiver are isolated, and only a TCP interface is provided for the outside to ensure the internal stability and the external uniqueness of the parameter identification system, and the robustness and maintainability of the system are improved in a specific implementation process. In the network interface provided by the invention, some important data is transmitted after being subjected to convolutional code encoding so as to ensure the transmission reliability.

Description

technical field [0001] The invention relates to a working method of a network protocol of an ARM-based parameter identification system, belonging to the fields of network communication and satellite mobile communication. Background technique [0002] The S standard is derived from the Global System for Communication standard GSM (Global System for Communication). It is a standard for geosynchronous satellite mobile communications and is formulated by the ETSI (European Telecommunications Standards Institute) European Telecommunications Standards Committee. The T satellite system is widely used in Europe, the Middle East, the northern, central, and eastern regions of Africa, Asia, and Australia, and provides satellite communication networks for these areas, involving communications with handheld devices (such as mobile phones) and some maritime facilities for transmission Some traditional facilities (such as GSM, UMTS, WLAN, etc.) cannot transmit voice, fax and IP-based data....

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L29/06
CPCH04L1/0059H04L63/0236H04L69/16H04L69/22
Inventor 马丕明李进杨勇
Owner SHANDONG UNIV
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