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Dilution of Position Calculation for MS Location Accuracy Improvementthe assumption of equal measurement variances. GDOP was originally used as a criterion for selecting the optimal geometric configuration of satellites in global positioning systems, which presents that the smaller the value the more precise the location. In this paper, we apply GDOP concepts to sele

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Ayobami L. Ward,Jacob R. Josephr complicated environment are presented, which are information perceiving, computing and collaborative control. The implementation of mine-oriented CPS could improve the safety in production and accelerate the development of coal mine.

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https://doi.org/10.1007/978-981-99-1592-7dapt the various sensor networks. In order to explain the principle better, we take Zigbee access as the example and analyze the structure according to the position of the SNGW in the protocol architecture. And at the end of this paper, we perform the implementation of SNGW with ARM9-based Embedded System.

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