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An Anti-jamming Decision-making Method for Wireless Communication System Based on Reduction Rules

A technology of a wireless communication system and a decision-making method, which is applied in the field of anti-jamming decision-making of wireless communication systems based on reduction rules, can solve the problems of slow convergence speed, long time consumption, large amount of calculation, etc., so as to reduce the time overhead and improve the convergence speed. Effect

Inactive Publication Date: 2018-11-09
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

This type of method does not require historical experience and prior knowledge when working, but requires that the influence of each parameter on system performance can be expressed by a more accurate formula, and requires multiple iterations to gradually approach the optimal communication parameter target value and converge. Slow, computationally intensive, and time-consuming

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  • An Anti-jamming Decision-making Method for Wireless Communication System Based on Reduction Rules
  • An Anti-jamming Decision-making Method for Wireless Communication System Based on Reduction Rules
  • An Anti-jamming Decision-making Method for Wireless Communication System Based on Reduction Rules

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Embodiment Construction

[0045] In this embodiment, the traditional genetic algorithm (GA) used refers to the GA algorithm disclosed in the article "Genetic Algorithm and Engineering Design [M]" Xuan Guangnan et al., Science Press, 2000.

[0046] figure 1 is the anti-interference decision-making model diagram of the present invention, figure 2 It is the flow chart of the algorithm based on RRGA, such as figure 2 As shown, the basic flow of the present invention's anti-interference decision-making method based on the reduction rule genetic algorithm is:

[0047] (a) Establish the decision space and compress the decision space without affecting the decision result.

[0048] (b) The decision space is reduced based on the RS theory, and the reduced decision rules are obtained.

[0049] (c) Establish a random initial population according to the value range of each parameter, and initialize the iteration counter.

[0050] (d) Screen the individuals in the initial population according to the reduced de...

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Abstract

The present invention proposes a wireless communication system anti-interference decision-making method based on reduction rules. First, the decision space is simplified according to the rough set theory to obtain reduced decision rules; The individual of the decision-making rule; finally optimize the communication parameters according to the genetic algorithm steps; in order to improve the practicability of the algorithm, the present invention also adopts the maximum transmission rate under the condition of the minimum transmission power under the specified bit error rate as the communication anti-interference The objective function of the decision-making avoids the dependence on the experience weight value in the traditional algorithm. The simulation results show that the algorithm significantly improves the convergence speed of the genetic algorithm on the premise of ensuring the calculation accuracy, and has stronger practicability.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a wireless communication system anti-interference decision-making method based on reduction rules. Background technique [0002] Wireless communication technology has developed rapidly in the past 20 years, and its application scope also involves government agencies, commercial fields and all aspects of daily life. However, due to the unique openness of wireless channels, wireless communication systems are also facing more and more man-made interference. For a long time, one of the main technical means in the field of communication anti-jamming is spread spectrum communication technology, but in today's increasingly tight spectrum resources, it is too expensive to occupy more spectrum in exchange for higher interference tolerance. The emergence of cognitive radio (cognitive radio, CR) provides a new idea to solve this problem. The ability to learn reasoning and reconfigure ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/18H04W72/08H04W72/54
CPCH04W28/18H04W72/541Y02D30/70
Inventor 宋晓勤金慧汪淼彭亚
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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