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Reductive-rule-based anti-interference decision-making method of wireless communication system

A wireless communication system and decision-making method technology, applied in the field of anti-interference decision-making of wireless communication systems based on reduction rules, can solve problems such as large amount of calculation, slow convergence speed, and long time consumption

Inactive Publication Date: 2016-04-06
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

Method used

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  • Reductive-rule-based anti-interference decision-making method of wireless communication system
  • Reductive-rule-based anti-interference decision-making method of wireless communication system
  • Reductive-rule-based anti-interference decision-making method of wireless communication system

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Embodiment Construction

[0046] 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.

[0047] 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:

[0048] (a) Establish the decision space and compress the decision space without affecting the decision result.

[0049] (b) The decision space is reduced based on the RS theory, and the reduced decision rules are obtained.

[0050] (c) Establish a random initial population according to the value range of each parameter, and initialize the iteration counter.

[0051] (d) Screen the individuals in the initial population according to the reduced de...

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Abstract

The invention provides a reductive-rule-based anti-interference decision-making method of a wireless communication system. According to a rough set theory, a decision-making space is simplified to obtain a reduced decision-making rule; screening of an initial population generated by a genetic algorithm randomly is carried out according to the decision-making rule to keep an individual meeting the decision-making rule; and on the step of the genetic algorithm, optimization seeking is carried out on a communication parameter. In order to improve practicability of the algorithm, a maximum transmission rate that is obtained on the condition of a minimum transmitting power under a designated error rate is used as a target function of communication anti-interference decision making, thereby avoiding the dependence on an experience weighted value by the traditional algorithm. The simulation result demonstrates that the convergence speed of the genetic algorithm is substantially improved on the premise that calculation accuracy is guaranteed; and the practicability is high.

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