WIRELESS COMMUNICATION OUT OF RANGE INDICATION
First Claim
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1. A method of providing by a wireless device an out of range warning with respect to a wireless signal provider, comprising:
- receiving a wireless transmission from the wireless signal provider;
determining a current quality metric for the received wireless transmission;
determining a change of the current quality metric with respect to time;
if the change of the current quality metric with respect to time is a negative value, then estimating a period of time until the wireless device is out of range of the wireless signal provider; and
issuing the out of range warning that includes the estimated period of time until the wireless device is out of range of the wireless signal provider.
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Abstract
With respect to a wireless network, an out of range warning provides an estimate of an amount of time remaining until a wireless device is out of range of the wireless network. In this way, the user is presented with an opportunity to take corrective measures, if desired.
32 Citations
18 Claims
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1. A method of providing by a wireless device an out of range warning with respect to a wireless signal provider, comprising:
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receiving a wireless transmission from the wireless signal provider; determining a current quality metric for the received wireless transmission; determining a change of the current quality metric with respect to time; if the change of the current quality metric with respect to time is a negative value, then estimating a period of time until the wireless device is out of range of the wireless signal provider; and issuing the out of range warning that includes the estimated period of time until the wireless device is out of range of the wireless signal provider. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A portable wireless device, comprising:
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a GPS circuit arranged to determine a current location of the portable wireless device; a wireless transceiver unit, the wireless transceiver unit arranged to at least receive a wireless transmission from a wireless signal provider; a processor, the processor arranged to, determine a current quality metric for the received wireless transmission; determine a change of the current quality metric with respect to time; if the change of the current quality metric with respect to time is a negative value, then estimate a period of time until the wireless device is out of range of the wireless signal provider; and issue the out of range warning that includes the estimated period of time. - View Dependent Claims (9, 10, 11)
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12. Computer readable medium for storing instructions executable by a processor for providing by a wireless device an out of range warning with respect to a wireless signal provider, the computer readable medium comprising:
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computer code for receiving a wireless transmission from the wireless signal provider; computer code for determining a current quality metric for the received wireless transmission; computer code for determining a change of the current quality metric with respect to time; computer code for estimating a period of time until the wireless device is out of range of the wireless signal provider if the change of the current quality metric with respect to time is a negative value; and computer code for issuing the out of range warning that includes the estimated period of time. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification