Method of double-path capturing switching way confronting data transmission multi-path interferences
A multi-path interference and data transmission technology, applied in digital transmission systems, transmission systems, electrical components, etc., can solve wireless data transmission information error and frame loss, difficult data transmission link capture, and reduce the reliability of data transmission systems and accuracy issues, to achieve the effect of promoting rapid recovery, ensuring normal capture, and improving the probability of capturing in a stable transmission channel
Inactive Publication Date: 2016-05-18
JIANGXI HONGDU AVIATION IND GRP
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[0002] Aviation wireless data transmission links are susceptible to multipath interference, and it is difficult to ensure that the data transmission link is captured on a stable path with a high probability by using a single-channel capture method, resulting in bit errors and frame loss in wireless data transmission information , reducing the reliability and accuracy of the data transmission system
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[0009] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0010] see figure 1 A dual-path acquisition switching method against multi-path interference in data transmission. Two acquisition branches are provided, namely the A-path acquisition branch and the B-path auxiliary acquisition branch. At the same time, the A-path acquisition branch and the B-path The auxiliary capture branch is equipped with a control signal capture and processing module. The A-path capture branch is the default branch of the wireless data transmission system. When the wireless data transmission system is initially working, the data information is input through the intermediate frequency, and the A-path capture branch is used. Acquisition, after the A-path data judgment, establish a communication link, when the wireless data tr...
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The invention discloses a method of double-path capturing switching way confronting data transmission multi-path interferences. A plurality of capture branches are provided, and one of the capture branches can be used as a wireless data transmission system default branch, and other capture branches can be used as auxiliary capture branches. The plurality of capture branches are provided with control signal capturing and processing modules at the same time, and during the initial working of the wireless data transmission system, the wireless data transmission system default branch can be used for the capturing, and after the data decision of the wireless data transmission system default branch, a communication link can be established. When the wireless data transmission system is under the influence of the multi-path interferences, and is in the unstable working state, the auxiliary capturing branches can be started automatically, and the control signal capturing and processing module of the auxiliary capturing branches can be used for the selecting and the switching of the paths, and therefore the wireless data transmission system can be used for the data information transmission via the effective demodulation path, and the probability of the capturing carried out via the stable transmission channel can be effectively improved.
Description
technical field [0001] The invention relates to the technical field of anti-multipath interference in wireless data transmission, in particular to a method for anti-multipath interference in data transmission in a dual-path acquisition switching mode. Background technique [0002] Aviation wireless data transmission links are susceptible to multipath interference, and it is difficult to ensure that the data transmission link is captured on a stable path with a high probability by using a single-channel capture method, resulting in bit errors and frame loss in wireless data transmission information , reducing the reliability and accuracy of the data transmission system. Therefore, how to improve the identification, screening and processing of multipath signals by the data transmission system has become an important problem to be solved urgently by those skilled in the art. Contents of the invention [0003] The technical problem to be solved by the present invention is to ...
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Login to View More IPC IPC(8): H04L1/22H04B1/74
CPCH04L1/22H04B1/745
Inventor 黄剑斌袁飞马李科连李瑞玲姚先秀聂志华黄鹤明张玮赵广超饶佳莉张玉新高茜聂荣唐旭周曦
Owner JIANGXI HONGDU AVIATION IND GRP