# US 2014/0154984 A1 · Reduced power wireless wake on connection > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0154984 A1 - Document ID: US20140154984A1 - Status: Published application - Kind: A1 - Application number: 13/690,310 - Filed: 2012-11-30 - Published: 2014-06-05 - Earliest claimed: 2012-11-30 - Assignees: Lenovo (Singapore) Pte. Ltd. - Applicants: Lenovo (Singapore) Pte. Ltd. - Inventors: Steven Richard Perrin; Matthew Price Roper; Howard Locker; Scott Edwards Kelso - Web page: https://patentgrep.com/patent/US20140154984A1 ## CPC - H04W 52/325: {Power control of control or pilot channels} - H04W 52/0229: {where the received signal is a wanted signal} - H04W 52/0274: {by switching on or off the equipment or parts thereof} - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - 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 An aspect provides a method, including: receiving, at a low power wireless communication subsystem of an information handling device, a beacon from a wirelessly connectable device; determining, with the low power wireless communication subsystem, if the received beacon warrants executing a communication protocol; in response to determining the received beacon warrants executing a communication protocol, powering on a main system component and a higher power wireless communication subsystem; and establishing a wireless connection between the higher power wireless communication subsystem and the wirelessly connectable device. Other aspects are described and claimed. ## Claims ### Claim 1 A method, comprising: receiving, at a low power wireless communication subsystem of an information handling device, a beacon from a wirelessly connectable device; determining, with the low power wireless communication subsystem, if the received beacon warrants executing a communication protocol; in response to determining the received beacon warrants executing a communication protocol, powering on a main system component and a higher power wireless communication subsystem; and establishing a wireless connection between the higher power wireless communication subsystem and the wirelessly connectable device. ### Claim 2 (depends on 1) The method of claim 1, further comprising, responsive to determining that the received beacon warrants executing a communication protocol, sending a wake signal from the low power wireless communication subsystem to a main system of the information handling device. ### Claim 3 (depends on 2) The method of claim 2, further comprising, responsive to receiving the wake signal by the main system, shifting the main system to a higher power state. ### Claim 4 (depends on 3) The method of claim 3, wherein shifting the main system to a higher power state comprises resuming the system from a suspended state. ### Claim 5 (depends on 1) The method of claim 1, wherein determining, with the low power wireless communication subsystem, if the received beacon warrants executing a communication protocol further comprises: inspecting a beacon characteristic. ### Claim 6 (depends on 5) The method of claim 5, wherein inspecting a beacon characteristic comprises comparing a beacon signal strength indicator to a predetermined threshold. ### Claim 7 (depends on 5) The method of claim 5, wherein inspecting a beacon characteristic comprises comparing a device identification to a stored set of device identifications. ### Claim 8 (depends on 1) The method of claim 1, wherein the low power communication subsystem comprises a short range wireless communication subsystem with a receiver configured to receive the beacon. ### Claim 9 (depends on 8) The method of claim 8, wherein the higher power wireless communication subsystem comprises a short range wireless communication subsystem. ### Claim 10 (depends on 9) The method of claim 9, wherein the higher power wireless communication subsystem is of higher bandwidth than the low power wireless communication subsystem. ### Claim 11 An information handling device, comprising: a low power wireless communication subsystem; a higher power wireless communication subsystem; one or more processors; and a memory operatively coupled to the one or more processors that stores instructions executable by the one or more processors to perform acts comprising: receiving, at the low power wireless communication subsystem of the information handling device, a beacon from a connectable device; determining, with the low power wireless communication subsystem, if the received beacon warrants executing a communication protocol; in response to determining the received beacon warrants executing a communication protocol, powering on a main system component and the higher power wireless communication subsystem; and establishing a wireless connection between the higher power wireless communication subsystem and the connectable device. ### Claim 12 (depends on 11) The information handling device of claim 11, wherein the acts further comprise, responsive to determining that the received beacon warrants executing a communication protocol, sending a wake signal from the low power wireless communication subsystem to a main system of the information handling device. ### Claim 13 (depends on 12) The information handling device of claim 12, wherein the acts further comprise, responsive to receiving the wake signal by the main system, shifting the main system to a higher power state. ### Claim 14 (depends on 13) The information handling device of claim 13, wherein shifting the main system to a higher power state comprises resuming the system from a suspended state. ### Claim 15 (depends on 11) The information handling device of claim 11, wherein determining, with the low power wireless communication subsystem, if the received beacon warrants executing a communication protocol further comprises: inspecting a beacon characteristic. ### Claim 16 (depends on 15) The information handling device of claim 15, wherein inspecting a beacon characteristic comprises comparing a beacon signal strength indicator to a predetermined threshold. ### Claim 17 (depends on 15) The information handling device of claim 15, wherein inspecting a beacon characteristic comprises comparing a device identification to a stored set of device identifications. ### Claim 18 (depends on 11) The information handling device of claim 11, wherein the low power communication subsystem comprises a short range wireless communication subsystem with a receiver configured to receive the beacon. ### Claim 19 (depends on 18) The information handling device of claim 18, wherein the higher power wireless communication subsystem comprises a short range wireless communication subsystem; and further wherein the higher power wireless communication subsystem is higher bandwidth than the low power wireless communication subsystem. ### Claim 20 A program product, comprising: a storage medium having computer program code embodied therewith, the computer program code comprising: computer program code configured to receive, at a low power wireless communication subsystem of an information handling device, a beacon from a connectable device; computer program code configured to determine, with the low power wireless communication subsystem, if the received beacon warrants executing a communication protocol; computer program code configured to, in response to determining the received beacon warrants executing a communication protocol, powering on a main system component and a higher power wireless communication subsystem; and computer program code configured to establish a wireless connection between the higher power wireless communication subsystem and the connectable device.