Method of operation of a radio system

Details Method of operation of a radio system Method of operation of a radio system

1995-06-12

1998-02-24

Vo, Nguyen

Telecommunications

Transmitter and receiver at separate stations

455343, H04B 726, H04B 116

Patent

active

057220468

ABSTRACT:
A method is described of operating a radio system having a transmitter unit (10) and a receiver unit (11). At the transmitter unit, at least a potion (50) of an address is transmitted repeatedly for a predetermined period of time (T.sub.w), followed by a message. The receiver unit switches from a dormant, low power mode to a receive mode after a period of time in the dormant mode not exceeding the predetermined period of time (T.sub.w). In the receive mode address information is received and compared bit by bit with a predetermined address stored at the receiver unit. The receiver revels to the dormant mode as soon as a negative comparison is made, to a predetermined degree of non-correlation, between address information received and the predetermined address, thereby saving battery power.

REFERENCES:
patent: 4995099 (1991-02-01), Davis
patent: 4996526 (1991-02-01), DeLuca
patent: 5175874 (1992-12-01), Auchter
patent: 5396660 (1995-03-01), Cannon

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