Method and apparatus for conserving energy in a selective call r

Details Method and apparatus for conserving energy in a selective call r Method and apparatus for conserving energy in a selective call r

1997-04-30

1999-07-27

Bost, Dwayne D.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 383, 455574, H04Q 714

Patent

active

059306815

ABSTRACT:
A radio communication system (5) includes a transmitting unit (1) coupled to at least one controller (6). The controller (6) is adapted to subdivide the SCR's (selective call receivers) (2) into SCR groups, assign the SCR groups to supergroups, and assign a selected number of message frames (216) and message intervals (208) to each SCR group in each supergroup. A supergroup is then selected, and included in an acquisition group message. The supergroup is for directing SCR's (2) targeted to receive the acquisition group message to monitor messages during the message reception interval (203) according to the supergroup. The controller (6) then invokes the transmitting unit (1) to transmit the acquisition group message to the SCR's (2). Messages target for specific SCR's (2) are then generated, and transmitted by way of the transmitting unit (1) according to the supergroup selected. The targeted SCR's (2) receive the messages according to the supergroup received.

REFERENCES:
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patent: 5542117 (1996-07-01), Hendricks et al.
patent: 5613194 (1997-03-01), Olds et al.
patent: 5659298 (1997-08-01), Brooks et al.
patent: 5689805 (1997-11-01), Ayerst et al.

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