Wireless communication system that avoids noise interference
A wireless communication system, noise interference technology, applied in the transmission system, reduction of electrical interference, transmission monitoring, etc., can solve problems such as difficulty in setting the main communication frequency band, achieve good wireless communication performance, reduce error processing costs and waste of time Effect
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no. 1 Embodiment
[0057] In the first embodiment of the present invention, if the noise frequency band detected in step S2 in which the control module 200 detects a frequency band with noise interference includes an available frequency band for communication, the control module 200 avoids the frequency band according to the detection result. In the step S3 of disabling noise interference, the device may be changed to an RF communication module 100 of another available frequency band for communication.
[0058] In the preceding S1 step, when the control module 200 of the communication unit 10 for the unmanned transfer device V attempts to communicate using the first frequency band through the first RF communication module 110, if the noise frequency band detected by the control module 200 is analyzed If the first frequency band is included, it is judged that it is difficult to perform normal communication using the corresponding available frequency band.
[0059] Since there is RF noise generate...
no. 2 Embodiment
[0062] In the second embodiment of the present invention, if the noise frequency band detected in the step S2 in which the control module 200 detects a frequency band with noise interference includes all of the two or more available frequency bands, then the control module 200 detects As a result, in the step of avoiding noise interference, the device can be changed to another communication module 100 for communication.
[0063] In the preceding S1 step, when the control module 200 of the communication unit 10 for the unmanned transfer device V attempts to communicate using the first frequency band through the first RF communication module 110, if it is analyzed that the noise frequency band detected by the control module 200 contains If all of the first frequency band and the second frequency band are exceeded, it is judged that it is difficult to perform normal communication using the available frequency bands of the RF communication modules 110 and 120 .
[0064] In additio...
no. 3 Embodiment
[0067] Figure 5 It is a schematic diagram of the operation of changing to a frequency without interference and performing communication within the usable frequency band where communication is attempted according to an embodiment of the present invention.
[0068] refer to Figure 5 It can be seen that in the third embodiment of the present invention, if in the step S2 where the control module 200 detects a frequency band with noise interference, it is detected that the detected noise frequency band is narrower than a certain standard, then the control module 200 avoids the frequency band according to the detection result. In the step S3 of turning off noise interference, communication can be performed by changing to a frequency without interference within the available frequency band where communication is attempted.
[0069] In the preceding S1 step, when the control module 200 of the communication unit 10 for the unmanned transfer device V attempts to communicate using the...
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