# US 9,521,614 B2 · Power efficient method for Wi-Fi home automation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,521,614 B2 - Document ID: US9521614B2 - Status: Granted - Kind: B2 - Application number: 14/034,439 - Filed: 2013-09-23 - Published: 2015-03-26 - Granted: 2016-12-13 - Earliest claimed: 2013-09-23 - Assignees: Texas Instruments Incorporated - Applicants: Texas Instruments Incorporated - Inventors: Leonardo W. Estevez; Paul Kimelman; Avraham Baum - Web page: https://patentgrep.com/patent/US9521614B2 ## CPC - H04W 52/0206: {in access points, e.g. base stations} - H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract A method for automation and control of a wireless device in a WiFi environment. The method includes a wireless mobile device configured with a soft access point (softAP) transmitting probe requests to home automation devices and traditional stationary access points. The wireless mobile device periodically wakes up to scan for other services, sends a probe request, authenticates the received probe response from the another device and receives control information via the received probe response. ## Claims ### Claim 1 A method for automation and control of wireless devices comprising: receiving in a device an encryption key and authentication table from a mobile device, wherein said device uses this key to subsequently encrypt both control and authentication information in a Service Set Identifier (SSID); and said device using the encryption key and authentication table in accepting only encrypted and authenticated SSID information from other devices. ### Claim 2 (depends on 1) The method as recited in claim 1 wherein said device receives an encoded SSID message which instructs it to associate or disassociate with a wireless network. ### Claim 3 (depends on 1) The method as recited in claim 1 wherein said wireless device is one of the group comprised of a Station and a Wi-Fi Direct device. ### Claim 4 (depends on 1) The method as recited in claim 1 wherein a remote mobile device which has provided encryption keys to a home automation device; and configures a stationary Access Point (AP) to send an encoded SSID response to said home automation device. ### Claim 5 (depends on 1) The method as recited in claim 1 wherein said wireless device is a peer to peer connected device. ### Claim 6 (depends on 1) The method as recited in claim 1 wherein said mobile device configures an Access Point (AP) to send an encoded SSID response to said device. ### Claim 7 A method for automation and control of wireless devices comprising: receiving in a device an encryption key and authentication table from a mobile device, wherein said device uses this key to subsequently encrypt both control and authentication information in the Service Set Identifier (SSID); said device using key authentication table in accepting only encrypted and authenticated SSID information from other devices; and wherein said device translates Smart Energy Protocol communication to and from said encoded SSID. ### Claim 8 A method for automation and control of wireless devices comprising: receiving in a device an encryption key and authentication table from a mobile device, wherein said device uses this key to subsequently encrypt both control and authentication information in the Service Set Identifier (SSID); said device using the encryption key and authentication table in accepting only encrypted and authenticated SSID information from other devices; and wherein said device translates Smart Energy Protocol communication to and from said encrypted SSID information. ### Claim 9 A wireless device comprising: a receiver for receiving an encryption key and authentication table from a mobile device, wherein said key is used to subsequently encrypt both control and authentication information in the Service Set Identifier (SSID); and logic for accepting only encrypted and authenticated SSID information from other devices by using the received encryption key and authentication table. ### Claim 10 (depends on 9) The wireless device as recited in claim 9 wherein said device receives an encoded SSID message which instructs it to associate or disassociate with a wireless network. ### Claim 11 (depends on 9) The wireless device as recited in claim 9 wherein said wireless device is a peer to peer connected device. ### Claim 12 (depends on 9) The wireless device as recited in claim 9 wherein a second wireless device provides said encryption key; and configures an Access Point (AP) to send an encoded SSID response to said wireless device. ### Claim 13 A wireless device comprising: a receiver for receiving an encryption key and authentication table, wherein said key is used to subsequently encrypt both control and authentication information in the Service Set Identifier (SSID); logic for accepting only encrypted and authenticated SSID information from another device after said encryption key and authentication table are received; and wherein said wireless device communicates with said another device using Smart Energy Protocol communication after encrypted and authenticated SSID information provided by said another device is accepted by said wireless device.