Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2008-05-06
2008-05-06
Beamer, Temica (Department: 2617)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S422100, C455S435200, C455S455000, C455S458000, C370S345000
Reexamination Certificate
active
10899479
ABSTRACT:
A method and system for scanning a TDMA channel by a subscriber unit in a wireless communications landscape100is disclosed. The subscriber unit locks onto a channel that is preprogrammed in the subscriber unit. A base radio transmits a control message to the subscriber unit. The control message informs the subscriber unit of activity present on the channel. The subscriber unit receives and decodes the control message to determine whether there is activity on the channel. If there is, the subscriber unit determines whether the activity is of interest. If it is, then the subscriber unit remains on the channel to receive the activity present on the channel.
REFERENCES:
patent: 5214790 (1993-05-01), Kozlowski et al.
patent: 6108542 (2000-08-01), Swanchara et al.
patent: 6131031 (2000-10-01), Lober et al.
patent: 6512928 (2003-01-01), Janky et al.
patent: 2006/0013188 (2006-01-01), Wiatrowski et al.
Bohn Thomas B.
Panpaliya Satyanarayan R.
Senese Thomas J.
Wiatrowski David G.
Beamer Temica
Davis Valerie M.
Motorola Inc.
Saladi Indira
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