Multiplex communications – Communication over free space – Signaling for performing battery saving
Patent
1997-05-30
2000-04-11
Ton, Dang
Multiplex communications
Communication over free space
Signaling for performing battery saving
455 383, 455574, G08C 1700
Patent
active
060495324
ABSTRACT:
A mobile station (102) has electrical circuitry (301) that operates to reduce power consumption. A synthesizer (318) is tuned so that a receiver (314) receives a home radio frequency (RF) signal during a receive slot (504) of a PCH subframe (209). A controller (310) detects if an upcoming subframe has an uplink requirement and if data from the home RF signal indicates that an idle condition exists. If the upcoming subframe does not have an uplink requirement, synthesizer (318) is tuned during a long idle slot (506) of PCH subframe (209) to measure signal strengths of two peripheral RF signals. If the idle condition does exist, electrical circuitry (301) is placed into a low power mode throughout a transmit slot (508), a receive slot (512), a long idle slot (514), and a transmit slot (516).
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Alberth, Jr. William P.
Cramer, III Joseph F.
Froehling Timothy P.
Steele Scott A.
Vannatta Louis J.
Mancini Brian M.
Motorola Inc.
Oskorep John J.
Sam Phirin
Ton Dang
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