Power economising in multiple user radio systems

Details Power economising in multiple user radio systems Power economising in multiple user radio systems

1989-11-30

1992-12-29

Kuntz, Curtis

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

455231, 455343, 370 953, H04B 1700

Patent

active

051758709

ABSTRACT:
A multiple user radio system comprising at least one primary station and a plurality of secondary stations by way of a control channel. The primary station in use sets a value, in a transmitted message from which a secondary station wanting to economise on power can derive a period during which it can switch-off at least its radio section. The radio system may comprise a radiopaging system or a radio trunking system using an Aloha protocol. In the case of a radio trunking system using an Aloha protocol, the value comprises the Aloha number.

REFERENCES:
patent: 4577315 (1986-03-01), Otsuka
patent: 4612637 (1986-09-01), Davis et al.
patent: 4742352 (1988-05-01), Ishii
patent: 4955038 (1990-09-01), Lee et al.
"A Signalling Standard for Trunked Private Land Mobile Radio Systems", U.K. Dept. Enterprise, Radio Communications Div., MPT 1327, Jan. 1988, pp. 9-1-9-3.

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