The techniques described herein leverage The Institute of Electrical and Electronics Engineers (IEEE) 802.11ax probe request messages to encode an Emergency Beacon (Request for Help) within the initial non-Access-Point (AP) station’s (client’s) probe request packets which would notify the AP that a client is in distress and to notify Emergency Services (via text-to-911 and provide e911 location information). This new capability allows any 802.11ax AP to receive emergency beacons, regardless of how “closed” the networks are on that AP, thereby allowing any wireless client the ability to reach out for help and allowing the AP to relay that information onward towards emergency services.
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White, David; Klous, Kevin; Mortensen, Magnus; and Johnston, Jay, "WIRELESS EMERGENCY PROBE MESSAGE", Technical Disclosure Commons, (September 19, 2018)