Publications / 1996 Proceedings of the 13th ISARC, Tokyo, Japan

Application of Wireless Telemeter Multiplex Transmission System to Shield Tunnelling

M. Iijima, S. Shiba, T. Yamazaki, T. lwasaki
Pages 743-750 (1996 Proceedings of the 13th ISARC, Tokyo, Japan, ISSN 2413-5844)
Abstract:

There is increasing demand for labor saving and improvement of work environment in today's construction sites, necessarily resulting in more extensive mechanization, robotization and information- intensification for different work steps. Three important technologies supporting these trends are data processing by computer, electronic communications and control techniques. Through the study by the authors focusing on the radio communications, a "Wireless Telemeter Multiplex Transmission System" has been developed. This system, based on the SS (short for Spread Spectrum) radio communication technique, is capable of multiplexing various data by relaying. The transmission system was experimentally applied to shield tunnelling to evaluate its practicability. This paper describes the summary of the system and its radio communication characteristics.

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