# US 2018/0027495 A1 · Wakeup system and method for devices in power saving mode > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0027495 A1 - Document ID: US20180027495A1 - Status: Published application - Kind: A1 - Application number: 15/722,504 - Filed: 2017-10-02 - Published: 2018-01-25 - Earliest claimed: 2015-07-09 - Assignees: Verizon Patent and Licensing Inc. - Applicants: Verizon Patent and Licensing Inc. - Inventors: Lei Song; Ye Huang; Jin Yang; Yee Sin Chan; Jignesh S. Panchal - Web page: https://patentgrep.com/patent/US20180027495A1 ## CPC - H04W 52/0235: {where the received signal is a power saving command} - G06F 1/3206: Monitoring of events, devices or parameters that trigger a change in power modality - G06F 1/325: {Power saving in peripheral device} - H04W 40/244: {using a network of reference devices, e.g. beaconing} - H04W 52/0209: {in terminal devices} - H04W 40/005: {Routing actions in the presence of nodes in sleep or doze mode} - H04W 52/0219: {where the power saving management affects multiple terminals} - H04W 52/0229: {where the received signal is a wanted signal} - 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) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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 computer device may include a memory storing instructions and a processor configured to execute the instructions to select a broadcast method for a wakeup signal for a wireless communication device; instruct a base station to broadcast the wakeup signal using the selected broadcast method; and provide information identifying the selected broadcast method to the wireless communication device. The processor may be further configured to receiving a wakeup request from a machine-type communication interworking function (MTC-IWF) device; map the received wakeup request to a wakeup signature beacon signal associated with the wireless communication device; and instruct the base station to transmit a wakeup signature beacon signal to the wireless communication device based on the received wakeup request. ## Claims ### Claim 1 A method comprising: selecting, by at least one computer device, a broadcast method for a wakeup signal for a wireless communication device; configuring, by the at least one computer device, a base station to broadcast the wakeup signal using the selected broadcast method; providing, by the at least one computer device, information identifying the selected broadcast method to the wireless communication device; receiving, by the at least one computer device, a wakeup request from a machine-type communication interworking function (MTC-IWF) device; mapping, by the at least one computer device, the received wakeup request to a wakeup signature beacon signal associated with the wireless communication device; and providing, by the at least one computer device, a wakeup signature beacon signal to the wireless communication device based on the received wakeup request. ### Claim 2 (depends on 1) The method of claim 1, wherein the broadcast method includes broadcasting the wakeup signature beacon signal in a physical resource block of a Long Term Evolution band, and wherein providing the wakeup signature beacon signal to the wireless communication device includes: instructing the base station to broadcast a physical resource block that includes the wakeup signature beacon signal. ### Claim 3 (depends on 1) The method of claim 1, wherein the broadcast method includes broadcasting the wakeup signature beacon signal in a guard band of a Long Term Evolution band, and wherein providing the wakeup signature beacon signal to the wireless communication device includes: instructing the base station to broadcast a signal that includes the wakeup signature beacon signal in the guard band. ### Claim 4 (depends on 1) The method of claim 1, wherein the broadcast method includes broadcasting the wakeup signature beacon signal as a subcarrier signal in a subcarrier of a Long Term Evolution band, and wherein providing the wakeup signature beacon signal to the wireless communication device includes: instructing the base station to broadcast a subcarrier signal that includes the wakeup signature beacon signal in the subcarrier of the Long Term Evolution band. ### Claim 5 (depends on 4) The method of claim 4, wherein the subcarrier signal corresponds to a signal with a bandwidth of about 3.75 kilohertz. ### Claim 6 (depends on 4) The method of claim 4, further comprising: instructing the base station to broadcast a plurality of subcarrier signals in the Long Term Evolution band, wherein each of the plurality of subcarrier signals corresponds to a different wakeup signature beacon signal associated with a group of wireless communication devices. ### Claim 7 (depends on 6) The method of claim 6, wherein the plurality of subcarrier signals includes up to 36 subcarrier signals. ### Claim 8 (depends on 1) The method of claim 1, wherein providing the information identifying the selected broadcast method to the wireless communication device includes at least one of: sending an enter power saving mode message to the wireless communication device, wherein the enter power saving mode message includes the information identifying the selected broadcast method, or broadcasting the information identifying the selected broadcast method in a reserved field of a Long Term Evolution (LTE) System Information Block (SIB). ### Claim 9 (depends on 1) The method of claim 1, wherein mapping the received wakeup request to the wakeup signature beacon signal associated with the wireless communication device includes: identifying a group associated with the received wakeup request; identifying a trigger type associated with the received wakeup request; and selecting the wakeup signature beacon signal based on the identified group and the identified trigger type. ### Claim 10 (depends on 9) The method of claim 9, wherein the trigger type identifies a particular wakeup process that instructs the wireless communication device to perform at least one of: exiting a power saving mode immediately; exiting the power saving mode at a scheduled time in the future; attaching to a wireless access network; contacting a server device to request instructions; or reporting a particular metric to the server device. ### Claim 11 (depends on 1) The method of claim 1, wherein the wakeup signature beacon signal includes a constant amplitude zero autocorrelation waveform. ### Claim 12 A computer device comprising: a memory storing instructions; and a processor configured to execute the instructions to: select a broadcast method for a wakeup signal for a wireless communication device; instruct a base station to broadcast the wakeup signal using the selected broadcast method; provide information identifying the selected broadcast method to the wireless communication device; receiving a wakeup request from a machine-type communication interworking function (MTC-IWF) device; map the received wakeup request to a wakeup signature beacon signal associated with the wireless communication device; and instruct the base station to transmit a wakeup signature beacon signal to the wireless communication device based on the received wakeup request. ### Claim 13 (depends on 12) The computer device of claim 12, wherein the broadcast method includes broadcasting the wakeup signature beacon signal in a physical resource block of a Long Term Evolution band, and wherein, when providing the wakeup signature beacon signal to the wireless communication device, the processor is further configured to: instruct the base station to broadcast a physical resource block that includes the wakeup signature beacon signal. ### Claim 14 (depends on 12) The computer device of claim 12, wherein the broadcast method includes broadcasting the wakeup signature beacon signal in a guard band of a Long Term Evolution band, and wherein, when providing the wakeup signature beacon signal to the wireless communication device, the processor is further configured to: instruct the base station to broadcast a signal that includes the wakeup signature beacon signal in the guard band. ### Claim 15 (depends on 12) The computer device of claim 12, wherein the broadcast method includes broadcasting the wakeup signature beacon signal as a subcarrier signal in a subcarrier of a Long Term Evolution band, and wherein, when providing the wakeup signature beacon signal to the wireless communication device, the processor is further configured to: instruct the base station to broadcast a subcarrier signal that includes the wakeup signature beacon signal in the subcarrier of the Long Term Evolution band. ### Claim 16 (depends on 12) The computer device of claim 12, wherein, when providing the information identifying the selected broadcast method to the wireless communication device, the processor is further configured to: send an enter power saving mode message to the wireless communication device, wherein the enter power saving mode message includes the information identifying the selected broadcast method. ### Claim 17 (depends on 12) The computer device of claim 12, wherein, when providing the information identifying the selected broadcast method to the wireless communication device, the processor is further configured to: broadcast the information identifying the selected broadcast method in a reserved field of a Long Term Evolution (LTE) System Information Block (SIB). ### Claim 18 (depends on 12) The computer device of claim 12, wherein, when mapping the received wakeup request to the wakeup signature beacon signal associated with the wireless communication device, the processor is further configured to: identify a group associated with the received wakeup request; identify a trigger type associated with the received wakeup request; and select the wakeup signature beacon signal based on the identified group and the identified trigger type. ### Claim 19 A wireless access network system comprising: a Mobility Management Entity (MME) device configured to: select a broadcast method for a wakeup signal for a wireless communication device; instruct a base station to broadcast the wakeup signal using the selected broadcast method; provide information identifying the selected broadcast method to the wireless communication device; receiving a wakeup request from a machine-type communication interworking function (MTC-IWF) device; map the received wakeup request to a wakeup signature beacon signal associated with the wireless communication device; and instruct the base station to transmit a wakeup signature beacon signal to the wireless communication device based on the received wakeup request. ### Claim 20 (depends on 19) The wireless access network system of claim 19, further comprising: an eNodeB device configured to: generate the wakeup signature beacon signal; and transmit the generated wakeup signature beacon signal.