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Short-range wireless information transmission method and mobile terminal
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A mobile terminal and information transmission technology, applied in the field of wireless communication, can solve the problems of data rate, confidentiality and effective communication distance, etc., and achieve the effect of easy targeting and reduced complexity
Inactive Publication Date: 2017-09-15
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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[0006] The invention provides a short-distance wireless information transmission method and a mobile terminal, which are used to solve the problem that the data rate, confidentiality and effective communication distance cannot be balanced in the existing short-distance wireless communication technology
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Embodiment 1
[0044] Such as figure 1 As shown, Embodiment 1 of the present invention provides a short-distance wireless information transmission method, the method comprising:
[0045]Step 101, the processor of the mobile terminal on the local side generates a digital signal according to the data to be sent, and sends it to the modem of the mobile terminal on the local side.
[0046] Wherein, the mobile terminal includes a smart phone, a tablet computer, a sales terminal (Point Of Sales, POS) machine, and a vehicle-mounted computer. A mobile terminal generally includes a processor, which is generally used for wireless communication services over a wireless network and application scenarios such as taking pictures, playing music and videos, and managing local files. In addition, the processor is also used for short-distance communication with other mobile terminals, such as face-to-face transmission or sharing of text, pictures, videos, etc.
[0047] The data to be sent is data that needs...
Embodiment 2
[0069] Such as figure 2 As shown, Embodiment 2 of the present invention provides a mobile terminal 20, and the mobile terminal 20 includes:
[0070] The processor 21 is configured to generate a digital signal according to the data to be sent and send it to the modem 22 .
[0071] The modem 22 is used to generate a modulated signal according to the digital signal and send it to the laser 23 .
[0072] The laser 23 is configured to generate a laser signal according to the modulation signal and emit it.
[0073] Wherein, the laser signal generated by the laser 23 is directly emitted without being converged by the lens group of the optical transmitting antenna, so as to facilitate aiming and establishing a connection with the mobile terminal on the opposite side.
[0074] The optical receiving antenna 24 is used to receive the laser signal and send it to the photoelectric converter 25 .
[0075] The photoelectric converter 25 is used to generate an electrical signal according ...
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Abstract
The invention discloses a short-range wirelessinformation transmission method and a mobile terminal, and relates to the technical field of wireless communication. The problem that the data rate, confidentiality and the effective communication distance cannot be all considered in the prior art is solved. The method comprises the following steps: a present side mobile terminal converts to-be-sent data into a digital signal and a modulating signal through a processor and a modem in sequence, and then a laser generates a lasersignal according to the modulating signal and emits the laser signal; an opposite side mobile terminal receives the laser signal through an optical receiving antenna, a photoelectric converter converts the laser signal into an electric signal, the modem demodulates the electric signal, and finally the processor restores the data sent by the present side mobile terminal according to a demodulating signal. The method disclosed by the invention is applied to the mobile terminal.
Description
technical field [0001] The invention relates to the technical field of wireless communication, in particular to a short-distance wireless information transmission method and a mobile terminal. Background technique [0002] With the rapid development of wireless communication technology, data exchange and sharing between different mobile terminals are becoming more and more frequent, for example, data information such as videos and photos are transmitted between two mobile terminals. When the distance between two mobile terminals is relatively close, due to the consideration of traffic charges, the user usually does not want to transmit data through the wireless network, but chooses to directly transmit data information between the two mobile terminals. However, data transmission between the above two mobile terminals at a relatively short distance needs to be realized by short-distance wireless communication technologies, such as near field communication (Near Field Communic...
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