Radio communications system using multiple simultaneously transm

Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission

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455 131, 455 561, 370 60, 370 75, H04B 714

Patent

active

053697847

ABSTRACT:
A radio telemetry system has a first transceiver and a large number of further transceivers of which some but not all are out of range of the first transceiver and none of which is out of range of all the others. The first transceiver transmits a radio message having a predetermined format, and each of the further transceivers receiving the message, whether directly or indirectly, re-transmits that message in synchronism or substantially in synchronism with all the other further transceivers which received the message at the same time. Thus, in general, a further transceiver out of range of the first transceiver will receive the message simultaneously from two or more sources. The message contains iteration data which determines the number of times the message is to be re-transmitted.

REFERENCES:
patent: 4125808 (1978-11-01), Graham
patent: 4696052 (1987-09-01), Breeden
patent: 4850032 (1989-07-01), Freeburg
patent: 5040189 (1991-08-01), Braun
patent: 5054113 (1991-10-01), Jasinski
patent: 5099235 (1992-03-01), Crookshanks
patent: 5128934 (1992-07-01), Jasinski
patent: 5129096 (1992-07-01), Burns

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