Intelligent optimization method and intelligent optimization device of positioning network element layout

An intelligent optimization and positioning network technology, applied in electrical components, network planning, wireless communication, etc., can solve the problems of weak global search ability, difficult to adjust, and the initial parameters of simulated annealing algorithm have a great influence on the final solution, so as to speed up the search. The effect of the optimal process

Active Publication Date: 2018-07-17
ZTE CORP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In summary, there are problems: (1) Since the existing intelligent optimization algorithm may stay on the local optimal solution with a high probability during the global search, there is a defect of weak global search ability; (2) while simulated annealing The initial parameters of the algorithm have a great influence on the final solution and are difficult to adjust

Method used

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  • Intelligent optimization method and intelligent optimization device of positioning network element layout
  • Intelligent optimization method and intelligent optimization device of positioning network element layout
  • Intelligent optimization method and intelligent optimization device of positioning network element layout

Examples

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application example 1

[0069] In this application example, the area to be positioned consists of a room, and the positioning area is a length*width*height of 1*1*1m 3 The minimum value of the coordinates of the points to be located in the room is (-0.5, -0.5, -0.5), and the maximum value is (0.5, 0.5, 0.5). Set 12 network elements outside the house, and the initial value of each network element The coordinates are (1,0,0.5), (-1,0,0.5), (1,0,1),(-1,0,1). According to the steps of the technical solution of the present invention, set the remaining parameters, including the maximum number of iterations 100,000 times, the number of positioning requests 10 times, the moving distance of the network element unit 1m, etc., and initialize the current number of iterations to 0.

[0070] After performing steps S203-208, an optimal network element layout is obtained as follows:

[0071] (3.81,2.45,1.45),(-0.23,3.24,1.34),(1.63,-1.78,2.64),(2.17,1.52,-8.19),(-1.63,-5.46,7.88)(5.61,-4.32, -1.49).

application example 2

[0073] In this application example, the area to be located is composed of two-story buildings, and the location area of ​​each building is a length*width*height of 10*10*3m 3 The minimum value of the coordinates of the points to be located in the room is (-5,-5,-3), and the maximum value is (5,5,3). Set 12 network elements outside the house, and the initial The coordinates are (5,0,2), (-5,0,2), (5,0,4),(-5,0,4). According to the steps of the technical solution of the present invention, set the remaining parameters, including the maximum number of iterations of 100,000 times, the number of positioning requests of 600 times, the moving distance of the network element unit is 1m, etc., and initialize the current number of iterations to 0.

[0074] After performing steps S203-208, an optimal network element layout is obtained as follows:

[0075] (-8.51,5.46,-8.79),(4.96,7.85,1.23),(2.19,-8.52,1.34),(9.65,2.15,-4.56),

[0076] (-1.20,8.56,4.32),(4.69,-8.78,-9.63)(-5.21,...

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Abstract

The invention discloses an intelligent optimization method and an intelligent optimization device of positioning network element layout, and the method comprises the following steps: according to a set network element moving mode, moving each network element in the current optimal network element layout x<best> of the current iteration, and obtaining a candidate network element layout set; from the candidate network element layout set, selecting an optimal network element layout x<now> of the set; determining a better network element layout from the x<now> and the x<best>, taking the determined network element layout as the current optimal network element layout x<best> of next iteration, and performing iterative processing; when an iteration suspending condition is satisfied, outputting the network element layout determined by the last iteration. With the method and the device provided by the scheme of the invention, a network element layout global optimization process is accelerated,staying at a local optimal solution is avoided, and services based on position information are supported.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to an intelligent optimization method and device for positioning network element layout. Background technique [0002] A positioning network element refers to a device capable of transmitting and receiving positioning signals, such as a base station, a pseudo base station, and the like. The existing network element layout technology is generally only for large-scale outdoor base station equipment or nodes in wireless sensor networks. The main purpose is to improve communication quality and user service quality, and it can also be used for positioning in theory. The existing network element layout optimization algorithm mainly considers the influence of the position and number of network elements on the overall network coverage and signal quality. Optimal combination, currently there is no network element layout optimization method specifically for indoor 3D p...

Claims

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Application Information

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IPC IPC(8): H04W16/18
CPCH04W16/18
Inventor 陈诗军胡海婧陈强王慧强王园园陈大伟吕宏武
Owner ZTE CORP
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