Base station coverage area control system

Details Base station coverage area control system Base station coverage area control system

1992-12-11

1995-04-04

Urban, Edward F.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455 331, H04B 700

Patent

active

054045762

ABSTRACT:
In a mobile radio communication system in which a plurality of base stations, each having at least one communication channel, are arranged in a service area, and communication between mobile stations and the base stations is performed by using the communication channels, a base station coverage area control system includes noise sources. The noise sources are either arranged inside base stations or inside the service area to be located around the respective base stations. The noise sources generate noise having the same frequency as that of a communication signal from each of the base stations or at the selected frequency of one of the base stations. The coverage areas of the base stations are controlled by transmitting the controlled noise from the noise sources.

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"EIA Interim Standard" published by Electronic Industries Association, Mar. 1987.
J. A. Adams, "Total Access Communications System" published by British Telecom Research Laboratories, Oct. 1984.
Okumura et al., "Experimental Study of Propagation Characteristics in Land Mobile Radio Communication", Kenjitsuho, vol. 16, No. 8, 1967, pp. 1705-1764.

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