CMAS Alert Procedures over Wi-Fi for Low Power Devices
First Claim
Patent Images
1. A wireless user equipment (UE) device, comprising:
- a radio, comprising one or more antennas configured for wireless communication;
a cellular modem operably coupled to the radio; and
a processing element operably coupled to the radio;
wherein the radio and the processing element are configured to;
during registration with a cellular network, provide an indication of support for receiving indications of emergency alerts via Wi-Fi;
in response to receiving an indication of an emergency alert over a Wi-Fi network, activate the cellular radio; and
retrieve the emergency alert via the cellular radio over the cellular network.
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Abstract
Distributing indications of emergency messages via Wi-Fi. A cellular device may temporarily disable its cellular modem. The cellular device may receive an indication over Wi-Fi that an emergency message has been broadcast. In response, the cellular device may activate its cellular modem and retrieve the emergency message via a cellular network.
13 Citations
20 Claims
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1. A wireless user equipment (UE) device, comprising:
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a radio, comprising one or more antennas configured for wireless communication; a cellular modem operably coupled to the radio; and a processing element operably coupled to the radio; wherein the radio and the processing element are configured to; during registration with a cellular network, provide an indication of support for receiving indications of emergency alerts via Wi-Fi; in response to receiving an indication of an emergency alert over a Wi-Fi network, activate the cellular radio; and retrieve the emergency alert via the cellular radio over the cellular network. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of providing indications of emergency alerts over Wi-Fi, the method comprising a wireless user equipment (UE) device performing:
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during registration of the wireless UE device with a cellular network, providing an indication of support for receiving indications of emergency alerts via Wi-Fi; in response to receiving an indication of an emergency alert over a Wi-Fi network, activating a cellular radio of the wireless UE device; and retrieving the emergency alert via the cellular radio over the cellular network. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A non-transitory computer accessible memory medium storing program instructions executable by a process or a wireless user equipment (UE) device to:
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during registration of the wireless UE device with a cellular network, providing an indication of support for receiving indications of emergency alerts via Wi-Fi; in response to receiving an indication of an emergency alert over a Wi-Fi network, activating a cellular radio of the wireless UE device; and retrieving the emergency alert via the cellular radio over the cellular network. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification