System which routes radio transmissions to selected repeaters fo

Details System which routes radio transmissions to selected repeaters fo System which routes radio transmissions to selected repeaters fo

1990-05-04

1992-07-07

Eisenzopf, Reinhard J.

Telecommunications

Carrier wave repeater or relay system

With delay or recording

455 9, 455 331, 455 541, H04B 714

Patent

active

051290960

ABSTRACT:
A radio transmission system designed to operate on a single defined frequency channel. The system comprises a central receiver (12), at least one transmitter (14) remote from the receiver and a plurality of repeaters (13) arranged in zones (Z1 to Zn) arround the receiver. Each repeater can receive a signal from a transmitter and re-transmit the message so that it eventually reaches the receiver by way of one or more repeaters. The system includes protection means for protecting the message against loss or corruption, for example by using unique time delays before re-transmission or by addressing a certain sequence of repeaters with alternate paths being provided to guard against the message being lost.

REFERENCES:
patent: 4255814 (1981-03-01), Osborn
patent: 4347626 (1982-08-01), Wenzel
patent: 4475246 (1984-10-01), Batlivala et al.
patent: 4479245 (1984-10-01), Batlivala et al.
patent: 4680583 (1987-07-01), Grover
patent: 4701935 (1987-10-01), Namiki
English language abstract of DE-A-32 10 298.
Woodworth, "A Total Highway Communications System Using F.sub.1 -F.sub.1 Repeaters", IEEE Transactions on Vehicular Technology, vol. VT-19, No. 1, Feb. 1970, pp. 69-73, New York, US.

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