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Anti-interference method for communication system

A communication system and communication technology, which is applied in the field of anti-interference, can solve the problems of communication products that cannot be used normally, communication is intermittent, etc., and achieve the effect of simple and small use, avoiding paralysis, and ensuring normal operation

Inactive Publication Date: 2011-04-06
SOMER LEROY ELECTRO TECH FUZHOU CO LTD
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Problems solved by technology

Although this method can play the role of anti-interference to a certain extent, it belongs to the detection of the frame header after receiving the data frame at a fixed time. If the frame header is found to be incorrect, it will be considered that the reception has failed. Intermittent, resulting in communication products can not be used normally

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  • Anti-interference method for communication system
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Embodiment Construction

[0017] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0018] The method of the invention comprises three steps: 1. data frame header filtering detection; 2. data frame receiving timing; 3. multi-round detection. Details are given below.

[0019] Step 1: Data frame header filtering detection.

[0020] In the case of serious interference, when the communication device receives the data frame, the first data it receives is illegal data in most cases, such as an interference signal or data sent by other devices that do not communicate with the machine; if this When the illegal data is received as the first data of the data frame, it will cause the data frame reception to fail the verification, which will cause this reception to fail. If the first data received is still an illegal signal when the data frame is received in the second round, it will cause this reception to fail again....

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Abstract

The present invention discloses an anti-interference method of the communication system, the method avoids the receiving the illegal signal as the data of the data frame with doing filtering detection to the frame header of the data frame to be received, can effectively restrain the impact of the disturbance to the communication, and the method is especially suitable for the communication surrounding where the disturbance is comparatively stronger. The method also guarantees that the communication system will not enter the closed loop at the situation that problem assuredly exists in the communication thereby ensuring that the frame header filtering detecting method when the data frames are received and the communication is continued. The method also does receiving to the data method witha plurality of communication detecting, and can avoid the impact caused by the frequent strong disturbances and effectively guarantees the normal processing of the communication even if in the occasion with strong disturbance.

Description

【Technical field】 [0001] The invention relates to the communication technology, especially the anti-jamming method therein. 【Background technique】 [0002] In occasions where the interference is relatively serious, such as workshops with electronic equipment and large-scale use of frequency converters, the application of communication software will be severely challenged. If the anti-interference design is not done for the communication products, the communication will be interrupted and the communication products cannot be used normally. Therefore, there are many anti-jamming design methods for communication products, which are mainly divided into hardware anti-jamming design and software anti-jamming design. There are many hardware anti-interference designs, which can be considered from chip selection, hardware filter design, and shielded cables. There are also many software anti-jamming designs, which can be considered from aspects such as redundant algorithms and adapt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L1/24
Inventor 彭敏志廖海平
Owner SOMER LEROY ELECTRO TECH FUZHOU CO LTD
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