Method and device for generating and processing quantum signals in units of regular frames for quantum key distribution
A technology for quantum key distribution and quantum information, which is applied to generate and process quantum signals in regular frames for use in the field of quantum key distribution and equipment, which can solve the problem of reduced key generation speed and low actual information exchange ratio. and other problems to prevent confusion, ensure integrity, and improve the speed of key generation
Active Publication Date: 2017-12-05
ID量子技术公司
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However, in terms of the operation of the entire system including the transmitter and receiver, the rate of actual information exchange is low compared to the speed of operation, and thus the key generation speed is reduced
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[0032] Hereinafter, at least one embodiment of the present disclosure will be described in detail with reference to the accompanying drawings. In the following description, the same reference numerals designate the same elements even if these elements are shown in different drawings. In addition, in the following description of at least one embodiment, detailed descriptions of known functions and configurations incorporated herein will be omitted for clarity and brevity.
[0033] In addition, terms such as first, second, A, B, (a), (b), etc. may be used to describe elements of the present disclosure. These terms are only used to distinguish corresponding elements from other elements, and the nature, order or sequence of these elements should not be limited by the terms. Throughout this specification, unless otherwise specified, the terms "include" and / or "include" or "include" and / or "include" indicate the existence of the stated element but do not exclude the existence of one o...
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Provided are a method and a device for generating and processing quantum signals in units of regular frames for quantum key distribution. According to an aspect of the embodiment, a transmitter of a quantum key distribution system includes: a photon pulse stream generation unit, which is used to generate quantum information in units of numbered frames and periodically transmit quantum information through a quantum channel; a common channel A transceiver unit, which is used to communicate with the receiving device of the quantum key distribution system through a public channel; a frame synchronization information generating unit, which is used to generate frame synchronization information for operating the frame synchronization of the receiving device, and each frame or The frame synchronization information is transmitted to the receiving device through the common channel transceiving unit every several frames; and a signal processing unit is configured to transmit and receive the public information of each frame through the common channel transceiving unit and convert the quantum information Processing is in frame units, wherein the quantum signal is generated and processed in regular frame units.
Description
Technical field [0001] In one or more embodiments, the present disclosure relates to a method and apparatus for generating and processing quantum signals for quantum key distribution in units of regular frames. More specifically, the present disclosure relates to a method and device for generating and processing quantum signals for quantum key distribution in units of regular frames. With the method and device, the transmitter periodically generates and transmits the data of each numbered frame. Quantum signals, and the receiver processes quantum signals suitable for frame number information, thereby improving system performance. Background technique [0002] The statements in this section only provide background information related to the present disclosure and may not constitute prior art. [0003] With the introduction of higher-speed quantum key distribution systems (QKD systems), the speed of generating and detecting quantum signals is increasing. In order to increase the fi...
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IPC IPC(8): H04L9/12H04L9/08
CPCH04L9/0852H04L9/12H04L9/08
Inventor 曹正植崔晶云
Owner ID量子技术公司