Mobile communication system

Details Mobile communication system Mobile communication system

H - Electricity

04

B

H04B 7/26 (2006.01) H04B 10/12 (2006.01) H04Q 7/30 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2051496

A mobile communication system using a cellular system in which each of one or more cells is provided with a base radio station, and mobile terminals communicate with the base radio stations. Base radio stations (21, 22 and 23) are connected to a central base station (100) by optical fibers. The central base station is connected to a mobile switching center (50). Each base radio stations is provided with an O/E converter (201) and E/O converter (207). The O/E converter converts a optical signal containing speech signals and a call connection control signal into RF signals. The E/O converter (207) converts RF signals, received from a mobile terminal (11) via an antenna (204), into optical signals and transmitting the optical signals to the central base station. The central base station comprises O/E converters (301- 303) for converting optical signals from each base radio station into RF signals; receivers (401- 403) for demodulating these RF signals; transmitters (406-408) for converting speech signals and a call connection control signal from the mobile switching center into RF signals; and E/O converters (304 - 306) for converting these RF signals into optical signals and transmitting the optical signals to a base radio station.

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