Selecting paging channel mode
First Claim
1. A method comprising:
- predicting a signal strength in a paging channel; and
selectively enabling a paging channel operating mode based on the predicted signal strength of the paging channel.
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Abstract
A quick paging channel (QPCH) is used to receive paging indicators that indicate that a wireless communication device (WCD) has a message on a paging channel relating to, for example, an incoming call to the WCD. When the condition of the quick paging channel is too low to receive paging indicators reliably, the quick paging channel is disabled to avoid false alarms, and the slotted paging channel is used to receive paging messages without monitoring the QPCH. When the QPCH signal is strong, the probability of false alarms is lower, and the quick paging channel is enabled. By using the quick paging channel to receive paging indicators only when the QPCH signal is strong, the wireless communication device can remain in a sleep state for greater periods of time as compared with the use of a slotted paging channel. As a result, standby time may be significantly improved.
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Citations
40 Claims
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1. A method comprising:
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predicting a signal strength in a paging channel; and
selectively enabling a paging channel operating mode based on the predicted signal strength of the paging channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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16. A processor readable medium containing processor executable instructions for:
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receiving measurements of a signal strength of a paging channel;
predicting a signal strength of a subsequent slot cycle for the paging channel based on the received measurements; and
configuring a demodulator to enable a paging channel operating mode based on the predicted signal strength.
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28. An apparatus comprising:
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a channel estimator module to predict a signal strength in an alternate paging channel; and
a modem to demodulate a paging indicator using the alternate paging channel when the predicted signal strength is at least a threshold.
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Specification