Integrated Power Management of a Client Device Via System Time Slot Assignment
First Claim
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1. An apparatus, comprising:
- a wireless transceiver having an active mode in which power is consumed, and a sleep mode in which power is conserved; and
processing circuitry operatively coupled to the wireless transceiver, the processing circuitry arranged to switch the wireless transceiver from the sleep mode to the active mode based on time slot assignment information received by the wireless transceiver.
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Abstract
In a wireless network, time slots may be configured in a manner such that the network directs portable wireless client devices to listen and respond within specific time slots. Because the time slots can be predicted or are known, one of the client devices may be configured to set a timer, enter a sleep mode, and then later awaken when a specific, time-slotted data interaction is required of the client device. Accordingly, battery power that would otherwise be consumed if the client device were active outside of the time slot may be saved.
149 Citations
22 Claims
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1. An apparatus, comprising:
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a wireless transceiver having an active mode in which power is consumed, and a sleep mode in which power is conserved; and
processing circuitry operatively coupled to the wireless transceiver, the processing circuitry arranged to switch the wireless transceiver from the sleep mode to the active mode based on time slot assignment information received by the wireless transceiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of facilitating data exchange, comprising:
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wirelessly receiving information assigning a time slot for a portable client device to wirelessly communicate data;
placing the wireless transceiver in a sleep mode for a predetermined amount of time; and
activating the wireless transceiver from the sleep mode at a beginning of the time slot. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A system, comprising:
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a network device arranged to wirelessly broadcast synchronization information in a wireless coverage range; and
a portable client device arranged to wirelessly receive the synchronization information, wherein the synchronization information indicates a time slot for the client device to wirelessly communicate data, and wherein the client device enters a sleep mode during a time outside of the time slot. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification