System and method for data communication protection
First Claim
1. A data communication system, comprising a first terminal and a second terminal, whereinthe first terminal comprises a first processor and a first memory having a first instruction stored thereon, and the first terminal is configured to transmit first data to the second terminal, and start timing from a time point when finishing transmitting the first data, wherein the first data comprises at least data to be processed;
- the second terminal comprises a second processor and a second memory having a second instruction stored thereon, and the second terminal is configured to receive the first data, and start timing from a time point when finishing receiving the first data;
the second terminal is further configured to transmit second data to the first terminal when a value obtained by the second terminal from the timing reaches a preset value, wherein the second data is data obtained after the second terminal performs data processing on the data to be processed;
the first terminal is further configured to allow to start receiving the second data when a value obtained by the first terminal from the timing is within a valid range of the preset value;
the preset value comprises a preset phase difference;
the first terminal keeps generating a carrier signal during the entire process of communication between the first terminal and the second terminal;
Δ
S is a phase change value generated by the carrier signal passing through the maximum communication distance supported by the communication mode adopted between the first terminal and the second terminal;
wherein the value obtained by the first terminal being in the valid range of the preset value comprises a phase difference between a first phase and a second phase of the carrier signal being within the range of [S, S+2Δ
S], in which the first phase is a phase of the carrier signal at a time point when the first terminal finishes transmitting the first data, the second phase is a phase of the carrier signal at a time point when the first terminal allows to start receiving the second data;
the value obtained by the second terminal reaching the preset value comprises a phase difference between a third phase and a fourth phase of the carrier signal reaching the preset phase difference, in which the third phase is a phase of the carrier signal at a time point when the second terminal finishes receiving the first data, the fourth phase is a phase of the carrier signal at a time point when the second terminal starts transmitting the second data.
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Abstract
The present disclosure provides a data communication method and system. The method includes: a first terminal transmitting first data to a second terminal, and starting timing from a time point when finishing transmitting the first data, the first data at least comprising data to be processed; the second terminal receiving the first data, and starting timing from a time point when finishing receiving the first data; when a value obtained by the second terminal from the timing reaches a preset value, the second terminal transmitting second data to the first terminal, the second data being data obtained by the second terminal performing data processing on the data to be processed; and when a value obtained by the first terminal from the timing is in a valid range of the preset value or reaches the preset value, the first terminal allowing to start receiving the second data.
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Citations
20 Claims
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1. A data communication system, comprising a first terminal and a second terminal, wherein
the first terminal comprises a first processor and a first memory having a first instruction stored thereon, and the first terminal is configured to transmit first data to the second terminal, and start timing from a time point when finishing transmitting the first data, wherein the first data comprises at least data to be processed; -
the second terminal comprises a second processor and a second memory having a second instruction stored thereon, and the second terminal is configured to receive the first data, and start timing from a time point when finishing receiving the first data; the second terminal is further configured to transmit second data to the first terminal when a value obtained by the second terminal from the timing reaches a preset value, wherein the second data is data obtained after the second terminal performs data processing on the data to be processed; the first terminal is further configured to allow to start receiving the second data when a value obtained by the first terminal from the timing is within a valid range of the preset value; the preset value comprises a preset phase difference;
the first terminal keeps generating a carrier signal during the entire process of communication between the first terminal and the second terminal;
Δ
S is a phase change value generated by the carrier signal passing through the maximum communication distance supported by the communication mode adopted between the first terminal and the second terminal;wherein the value obtained by the first terminal being in the valid range of the preset value comprises a phase difference between a first phase and a second phase of the carrier signal being within the range of [S, S+2Δ
S], in which the first phase is a phase of the carrier signal at a time point when the first terminal finishes transmitting the first data, the second phase is a phase of the carrier signal at a time point when the first terminal allows to start receiving the second data;
the value obtained by the second terminal reaching the preset value comprises a phase difference between a third phase and a fourth phase of the carrier signal reaching the preset phase difference, in which the third phase is a phase of the carrier signal at a time point when the second terminal finishes receiving the first data, the fourth phase is a phase of the carrier signal at a time point when the second terminal starts transmitting the second data. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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2. A data communication method, comprising:
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a first terminal transmitting first data to a second terminal, and starting timing from a time point when finishing transmitting the first data, wherein the first data comprises at least data to be processed; the second terminal receiving the first data, and starting timing from a time point when finishing receiving the first data; the second terminal transmitting second data to the first terminal when a value obtained by the second terminal from the timing reaches a preset value, wherein the second data is data obtained after the second terminal performs data processing on the data to be processed; the first terminal allowing to start receiving the second data when a value obtained by the first terminal from the timing reaches the preset value; the preset value comprises a preset phase difference, the duration corresponding to the preset phase difference being less than or equal to the FWT specified in the communication protocol adopted by the first terminal and the second terminal;
wherein the value obtained by the first terminal reaching the preset value comprises a phase difference between a first phase and a second phase of the carrier signal reaching the preset phase difference, in which the first phase is a phase of the carrier signal at a time point when the first terminal finishes transmitting the first data, the second phase is a phase of the carrier signal at a time point when the first terminal allows to start receiving the second data;
the value obtained by the second terminal reaching the preset value comprises a phase difference between a third phase and a fourth phase of the carrier signal reaching the preset phase difference, in which the third phase is a phase of the carrier signal at a time point when the second terminal finishes receiving the first data, the fourth phase is a phase of the carrier signal at a time point when the second terminal starts transmitting the second data. - View Dependent Claims (3, 4, 5, 6, 7)
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8. A data communication system, comprising a first terminal and a second terminal, wherein
the first terminal comprises a first processor and a first memory having a first instruction stored thereon, and the first terminal is configured to transmit first data to the second terminal, and start timing from a time point when finishing transmitting the first data, wherein the first data comprises at least data to be processed; -
the second terminal comprises a second processor and a second memory having a second instruction stored thereon, and the second terminal is configured to receive the first data, and start timing from a time point when finishing receiving the first data; the second terminal is further configured to transmit second data to the first terminal when a value obtained by the second terminal from the timing reaches a preset value, wherein the second data is data obtained after the second terminal performs data processing on the data to be processed; the first terminal is further configured to allow to start receiving the second data when a value obtained by the first terminal from the timing reaches the preset value; the preset value comprises a preset phase difference, the duration corresponding to the preset phase difference being less than or equal to the FWT specified in the communication protocol adopted by the first terminal and the second terminal;
wherein the value obtained by the first terminal reaching the preset value comprises a phase difference between a first phase and a second phase of the carrier signal reaching the preset phase difference, in which the first phase is a phase of the carrier signal at a time point when the first terminal finishes transmitting the first data, the second phase is a phase of the carrier signal at a time point when the first terminal allows to start receiving the second data;
the value obtained by the second terminal reaching the preset value comprises a phase difference between a third phase and a fourth phase of the carrier signal reaching the preset phase difference, in which the third phase is a phase of the carrier signal at a time point when the second terminal finishes receiving the first data, the fourth phase is a phase of the carrier signal at a time point when the second terminal starts transmitting the second data. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification