Transponder system and communication method thereof
A communication method and transponder technology, applied in the field of rail transit, can solve the problems of crosstalk of sending and receiving signals, poor anti-interference performance of electromagnetic transmission, etc., and achieve the effects of avoiding crosstalk between them, improving anti-interference performance and improving response performance.
Active Publication Date: 2020-12-25
BYD CO LTD
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- Application Information
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Problems solved by technology
[0003] In related technologies, crosstalk is prone to occur between the transponder system's sending and receiving signals, and the anti-interference performance of electromagnetic transmission is not good.
Method used
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Embodiment Construction
[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.
[0023] figure 1 It is a structural schematic diagram of a transponder system proposed by an embodiment of the present invention.
[0024] see figure 1 , the system includes: a transponder host 101 and a wayside transponder 102 .
[0025] Wherein, the transponder host 101 includes:
[0026] The control module 1011 is configured to generate an inquiry signal, and the inq...
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The invention provides a transponder system and a communication method thereof. The transponder system comprises a transponder host. The transponder host comprises a first signal transmitting module and a second signal receiving module, wherein the first signal transmitting module is used for modulating a query signal to a carrier signal of a first frequency, a modulated carrier signal is obtainedas a first carrier signal, and the first carrier signal is transmitted and processed; and the second signal receiving module is used for receiving a carrier signal of a second frequency transmitted by the wayside transponder as a second carrier signal, the second carrier signal is subjected to analog-to-digital conversion, a digital signal obtained through analog-to-digital conversion is transmitted to a control module, the control module thus transmits the digital signal to a host of an onboard train automatic control system, and the first frequency and the second frequency are different. Thus, crosstalk between signal transmitting and receiving can be effectively avoided, the anti-interference performance of electromagnetic transmission of the transponder system is enhanced, and the response performance of the transponder system is enhanced.
Description
technical field [0001] The invention relates to the technical field of rail transit, in particular to a transponder system and a communication method thereof. Background technique [0002] According to the working principle of the transponder system, it is used to provide train operation control information to the train on-board ATP host. The balise system generally includes: a balise host, a balise antenna, and a trackside balise, wherein the trackside balise is set on the railway track, and the balise host and the balise antenna are vehicle-mounted devices, and the balise host can be set at In the on-board cabinet, the transponder antenna is placed at the bottom of the train, facing the trackside transponder. The message transmission between the wayside balise and the balise host is accomplished through magnetic field coupling in the air. [0003] In the related art, crosstalk tends to occur between the transponder system's sending and receiving signals, and the anti-int...
Claims
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IPC IPC(8): H04B1/59
CPCH04B1/59
Inventor 陈亚娟江奕辰王发平
Owner BYD CO LTD