Using genetic algorithms to approximate weighted geometric dilution of precision

Chien Sheng Chen, Kai Sheng Chen, Jen Fa Huang, Yi Ruie Li

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

As the internet and mobile device get universal, mobile positioning in wireless communication becomes an important application. The wireless signal is influenced by many factors. Fading effect and multipath propagation increase the signal propagation time and change the angle of the received signal. All of these reduce mobile positioning accuracy. In line-of-sight (LOS) system, a signal can be measured precisely. However, there are many obstacles between a mobile station (MS) and a base station (BS) in the real environment. It causes non-line-of-sight (NLOS) effect. NLOS is a major factor that causes errors in mobile positioning. Although NLOS influences the signal propagation, these effects can be reduced. To enhance positioning accuracy, we choose the BS with the least error to estimate the mobile position by calculating the geometric dilution of precision (WGDOP), which is a value to quantify positioning performance. A WGDOP small value represents high accuracy. Using WGDOP to select the best combination of BSs improves MS positioning accuracy. Because the calculation of WGDOP is complex, it is a great burden on a device and spends lots of time. To reduce the load of devices, an approximation method based on genetic algorithm (GA) is proposed to derive WGDOP value efficiently.

Original languageEnglish
Title of host publicationProceedings - 2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages895-898
Number of pages4
ISBN (Electronic)9781509030712
DOIs
Publication statusPublished - 2016 Aug 16
Event2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016 - Xi'an, China
Duration: 2016 Jul 42016 Jul 6

Publication series

NameProceedings - 2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016

Other

Other2016 IEEE International Symposium on Computer, Consumer and Control, IS3C 2016
CountryChina
CityXi'an
Period16-07-0416-07-06

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Computer Networks and Communications
  • Computer Science Applications
  • Energy Engineering and Power Technology
  • Control and Systems Engineering
  • Control and Optimization

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