A Bayesian virtual metrology for quality inspection of mobile repeater systems

• Autorzy: Kim S. D. , Kim J. S. , Mun B. M. , Bae S. J.

Identyfikatory

DOI

10.1515/mper-2016-0035

• Języki publikacji: EN

Abstrakty

EN

The technology of wideband code division multiple access (WCDMA) has been applied to band selective interference cancellation system (ICS) repeaters. To inspect the telecommunication quality of the systems, quality engineers must check the shape of the signals at the corresponding frequency band of the repeaters. However, measuring the signal quality is a repetitive manual task which requires much inspection time and high costs. In the case of small-sized samples, such as the example of an ICS repeater system, Bayesian approaches have been employed to improve the estimation accuracy by incorporating prior information on the parameters of the model in consideration. This research proposes a virtual method of quality inspection for products using a correlation structure of measurement data, mainly in a Bayesian regression framework. The Bayesian regression model derives prior information from historical measurement data to predict measurements of other frequency bandwidths by exploiting the correlation structure of each measurement data. Empirical results show the potential for reducing inspection costs and time by predicting the values of adjoining frequency bandwidths through measured data of a frequency bandwidth in the course of quality inspections of ICS repeater systems.

Słowa kluczowe

EN

Bayesian approach; regression; conjugate priors; ICS repeater; Markov chain Monte Carlo

• Wydawca: Production Engineering Committee of the Polish Academy of Sciences ; Polish Association for Production Management
• Czasopismo: Management and Production Engineering Review
• Rocznik: 2016
• Tom: Vol. 7, No. 4
• Strony: 48--53
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Kim S. D.

• Department of Industrial Engineering Hanyang University, Seoul, Republic of Korea

autor

Kim J. S.

• Department of Industrial Engineering Hanyang University, Seoul, Republic of Korea

autor

Mun B. M.

• Department of Industrial Engineering Hanyang University, Seoul, Republic of Korea

autor

Bae S. J.

• Department of Industrial Engineering Hanyang University 17 Haengdang-dong Seongdong-gu, Seoul, Republic of Korea phone: [phone]

Bibliografia

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