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A broadband power line communication subcarrier distribution method based on quantum algorithm

A broadband power line and sub-carrier distribution technology, applied to the separation device of the transmission path, electrical components, digital transmission system, etc.

Inactive Publication Date: 2018-12-21
国网四川省电力公司技能培训中心 +2
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Problems solved by technology

[0006] The present invention provides a quantum algorithm-based broadband power line communication subcarrier allocation method, which solves the shortcomings of existing power line carrier communications. The present invention combines quantum genetic algorithms and uses dynamic resource allocation to optimize broadband PLC subcarriers. distribution to improve the transmission efficiency of the OFDM system and realize the improvement of the performance of the power line communication

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  • A broadband power line communication subcarrier distribution method based on quantum algorithm
  • A broadband power line communication subcarrier distribution method based on quantum algorithm
  • A broadband power line communication subcarrier distribution method based on quantum algorithm

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Embodiment Construction

[0038] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, under the condition of not conflicting with each other, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0039] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from the scope of this description. Therefore, the protection scope of the present invention is not limited by the following disclosure. limitations of specific examples.

[0040] The invention analyzes the influence of different network topology structures on the characteristics of the low-voltage broadband power line channel with ...

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Abstract

The invention discloses a broadband power line communication subcarrier distribution method based on a quantum algorithm. The method comprises the following steps: 1, establishing a multi-node power line network topology model; 2, initializingthe coding of the quantum state; 3, forming a population; 4, measuring the quantum state; 5, evaluating target; 6, judging whether the genetic termination condition is reach; If yes, ending the method; If not, evolving by a rotation operator and returning to step 4. The invention combines the quantum genetic algorithm and adopts the dynamic resource allocation mode to optimize the distribution of the broadband PLC subcarriers, so as to improve the transmission efficiency of the OFDM system and realize the improvement of the power line communication performance.

Description

technical field [0001] The present invention relates to the field of power communication, in particular to a quantum algorithm-based subcarrier allocation method for broadband power line communication. Background technique [0002] The signal attenuation of the power line carrier signal, carrier interference and noise on the power line exist in large quantities, which makes the power carrier communication insufficient in communication distance and communication reliability, so it is impossible to effectively predict the quality of carrier communication for a long time. Since the carrier signal attenuates seriously with distance, it is necessary to rely on relay relay to achieve long-distance transmission. In order to complete the adaptive adjustment of relay nodes and relay paths, an adaptive control networking technology has emerged in recent years, that is, using dynamic routing to adapt to a dynamic PLC (Power Line Communication (PLC)) network. The proposal of this algor...

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Application Information

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IPC IPC(8): H04L5/00
CPCH04L5/0008H04L5/0094
Inventor 张超
Owner 国网四川省电力公司技能培训中心
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