# US 10,484,945 B2 · Techniques and apparatuses for configuring a battery recovery time period for a user equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,484,945 B2 - Document ID: US10484945B2 - Status: Granted - Kind: B2 - Application number: 15/843,948 - Filed: 2017-12-15 - Published: 2018-11-29 - Granted: 2019-11-19 - Earliest claimed: 2017-05-23 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Prashanth Akula; Alberto Rico Alvarino; Hao Xu; Xiao feng Wang; Umesh Phuyal; Kapil Bhattad; Wanshi Chen; Peter Gaal; Mungal Singh Dhanda - Web page: https://patentgrep.com/patent/US10484945B2 ## CPC - H04W 52/0212: {managed by the network, e.g. network or access point is leader and terminal is follower} - H04W 52/0277: {according to available power supply, e.g. switching off when a low battery condition is detected} - H04L 5/16: Half-duplex systems; Simplex/duplex switching; Transmission of break signals {non-automatically inverting the direction of transmission} - 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) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - 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 Some aspects described herein reduce the negative performance impact associated with the voltage droop of a user equipment (UE) battery. For example, aspects described herein may be used to configure a UE with a pattern that includes a battery recovery time period that prevents a battery voltage of the UE from falling below a critical threshold and/or reduces the likelihood of the battery voltage falling below the critical threshold. In this way, UE performance may be improved, battery performance may be improved, battery life may be extended, and/or the like. ## Claims ### Claim 1 A method of wireless communication, comprising: identifying, by a user equipment (UE), a pattern, the pattern identifying a battery recovery time period during which a voltage of at least one battery of the UE recovers from a voltage droop, the pattern including a sequence of UE modes having corresponding time periods, and the sequence of UE modes causing different loads on the at least one battery during different time periods; configuring, by the UE, the battery recovery time period based at least in part on the pattern; and communicating, by the UE, with a base station based at least in part on the pattern. ### Claim 2 (depends on 1) The method of claim 1, wherein the pattern is selected from a plurality of patterns that include different battery recovery time periods. ### Claim 3 (depends on 1) The method of claim 1, wherein the pattern is requested by the UE. ### Claim 4 (depends on 1) The method of claim 1, wherein the pattern is indicated to the UE by the base station. ### Claim 5 (depends on 1) The method of claim 1, wherein the pattern is indicated to the UE in at least one of: a system information block, a radio resource control signaling message, or some combination thereof. ### Claim 6 (depends on 1) The method of claim 1, wherein the pattern is identified based at least in part on one or more parameters associated with the UE. ### Claim 7 (depends on 6) The method of claim 6, wherein the one or more parameters include at least one of: a transmit power associated with the UE, a payload size associated with one or more communications of the UE, a length of transmission of one or more communications of the UE, a number of repetitions associated with the UE, a characteristic of the at least one battery, a battery parameter of the at least one battery determined based at least in part on one or more measurements associated with the at least one battery, a mobility characteristic of the UE, a capability of the UE, a category of the UE, or some combination thereof. ### Claim 8 (depends on 7) The method of claim 7, wherein the characteristic of the at least one battery includes at least one of: a peak current of the at least one battery, the voltage droop associated with the at least one battery, a voltage drop associated with the at least one battery, a remaining capacity of the at least one battery, a number of batteries included in the UE, whether the at least one battery is a non-rechargeable battery or a rechargeable battery, a battery recovery characteristic relating to a recovery load of the at least one battery, or some combination thereof. ### Claim 9 (depends on 6) The method of claim 6, wherein the one or more parameters are reported to the base station in association with a power headroom report or in-band signaling. ### Claim 10 (depends on 6) The method of claim 6, wherein the pattern is indicated to the UE by the base station based at least in part on the one or more parameters. ### Claim 11 (depends on 1) The method of claim 1, wherein the pattern indicates at least one of: a first time period during which the UE is permitted to receive communications but not transmit communications, a second time period during which the UE is permitted to transmit communications but not receive communications, a third time period during which the UE is permitted to transmit and receive communications, a fourth time period during which the UE is permitted to perform a cell search, a fifth time period corresponding to a wake period of the UE, a sixth time period corresponding to a sleep period of the UE, a seventh time period corresponding to an activity associated with improving performance of the UE, or some combination thereof. ### Claim 12 (depends on 1) The method of claim 1, wherein the battery recovery time period is configured using the pattern after the UE is configured to communicate in a half duplex mode. ### Claim 13 (depends on 12) The method of claim 12, wherein the UE is configured to communicate in the half duplex mode based at least in part on a determination that the voltage droop satisfies a threshold. ### Claim 14 A user equipment (UE) for wireless communication, comprising: memory; and one or more processors coupled to the memory, the memory and the one or more processors configured to: identify a pattern, wherein the pattern identifies a battery recovery time period during which a voltage of at least one battery of the UE recovers from a voltage droop the pattern including a sequence of UE modes having corresponding time periods, and the sequence of UE modes causing different loads on the at least one battery during different time periods; configure the battery recovery time period based at least in part on the pattern; and communicate with a base station based at least in part on the pattern. ### Claim 15 (depends on 14) The UE of claim 14, wherein the pattern is identified based at least in part on one or more of: a selection from a plurality of patterns that include different battery recovery time periods, a request by the UE, an indication received by the UE from the base station, or some combination thereof. ### Claim 16 (depends on 14) The UE of claim 14, wherein the pattern is indicated to the UE in at least one of: a system information block, a radio resource control signaling message, or some combination thereof. ### Claim 17 (depends on 14) The UE of claim 14, wherein the pattern is identified based at least in part on one or more parameters, wherein the one or more parameters include at least one of: a transmit power associated with the UE, a payload size associated with one or more communications of the UE, a length of transmission of one or more communications of the UE, a number of repetitions associated with the UE, a battery parameter of the at least one battery determined based at least in part on one or more measurements associated with the at least one battery, a mobility characteristic of the UE, a capability of the UE, a category of the UE, a peak current of the at least one battery, the voltage droop associated with the at least one battery, a voltage drop associated with the at least one battery, a remaining capacity of the at least one battery, a number of batteries included in the UE, whether the at least one battery is a non-rechargeable battery or a rechargeable battery, a battery recovery characteristic relating to a recovery load of the at least one battery, or some combination thereof. ### Claim 18 (depends on 17) The UE of claim 17, wherein the one or more parameters are reported to the base station in association with a power headroom report or in-band signaling. ### Claim 19 (depends on 17) The UE of claim 17, wherein the pattern is indicated to the UE by the base station based at least in part on the one or more parameters. ### Claim 20 (depends on 14) The UE of claim 14, wherein the pattern indicates at least one of: a first time period during which the UE is permitted to receive communications but not transmit communications, a second time period during which the UE is permitted to transmit communications but not receive communications, a third time period during which the UE is permitted to transmit and receive communications, a fourth time period during which the UE is permitted to perform a cell search, a fifth time period corresponding to a wake period of the UE, a sixth time period corresponding to a sleep period of the UE, a seventh time period corresponding to an activity associated with improving performance of the UE, or some combination thereof. ### Claim 21 (depends on 14) The UE of claim 14, wherein the battery recovery time period is configured using the pattern after the UE is configured to communicate in a half duplex mode. ### Claim 22 (depends on 21) The UE of claim 21, wherein the UE is configured to communicate in the half duplex mode based at least in part on a determination that the voltage droop satisfies a threshold. ### Claim 23 A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising: one or more instructions that, when executed by one or more processors of a user equipment (UE), cause the one or more processors to: identify a pattern, wherein the pattern identifies a battery recovery time period during which a voltage of at least one battery of the UE recovers from a voltage droop, the pattern including a sequence of UE modes having corresponding time periods, and the sequence of UE modes causing different loads on the at least one battery during different time periods; configure the battery recovery time period based at least in part on the pattern; and communicate with a base station based at least in part on the pattern. ### Claim 24 (depends on 23) The non-transitory computer-readable medium of claim 23, wherein the pattern is identified based at least in part on one or more of: a selection from a plurality of patterns that include different battery recovery time periods, a request by the UE, an indication received by the UE from the base station, or some combination thereof. ### Claim 25 (depends on 23) The non-transitory computer-readable medium of claim 23, wherein the pattern is indicated to the UE in at least one of: a system information block, a radio resource control signaling message, or some combination thereof. ### Claim 26 (depends on 23) The non-transitory computer-readable medium of claim 23, wherein the pattern is identified based at least in part on one or more parameters, wherein the one or more parameters include at least one of: a transmit power associated with the UE, a payload size associated with one or more communications of the UE, a length of transmission of one or more communications of the UE, a number of repetitions associated with the UE, a battery parameter of the at least one battery determined based at least in part on one or more measurements associated with the at least one battery, a mobility characteristic of the UE, a capability of the UE, a category of the UE, a peak current of the at least one battery, the voltage droop associated with the at least one battery, a voltage drop associated with the at least one battery, a remaining capacity of the at least one battery, a number of batteries included in the UE, whether the at least one battery is a non-rechargeable battery or a rechargeable battery, a battery recovery characteristic relating to a recovery load of the at least one battery, or some combination thereof. ### Claim 27 An apparatus for wireless communication comprising: means for identifying a pattern, wherein the pattern identifies a battery recovery time period during which a voltage of at least one battery of the apparatus recovers from a voltage droop, the pattern including a sequence of modes having corresponding time periods, and the sequence of modes causing different loads on the at least one battery during different time periods; means for configuring the battery recovery time period based at least in part on the pattern; and means for communicating with a base station based at least in part on the pattern. ### Claim 28 (depends on 27) The apparatus of claim 27, wherein the pattern is identified based at least in part on one or more of: a selection from a plurality of patterns that include different battery recovery time periods, a request by the apparatus, an indication received by the apparatus from the base station, or some combination thereof. ### Claim 29 (depends on 27) The apparatus of claim 27, wherein the pattern is indicated to the apparatus in at least one of: a system information block, a radio resource control signaling message, or some combination thereof. ### Claim 30 (depends on 27) The apparatus of claim 27, wherein the pattern is identified based at least in part on one or more parameters, wherein the one or more parameters include at least one of: a transmit power associated with the apparatus, a payload size associated with one or more communications of the apparatus, a length of transmission of one or more communications of the apparatus, number of repetitions associated with the apparatus, a battery parameter of the at least one battery determined based at least in part on one or more measurements associated with the at least one battery, a mobility characteristic of the apparatus, a capability of the apparatus, a category of the apparatus, a peak current of the at least one battery, the voltage droop associated with the at least one battery, a voltage drop associated with the at least one battery, a remaining capacity of the at least one battery, a number of batteries included in the apparatus, whether the at least one battery is a non-rechargeable battery or a rechargeable battery, a battery recovery characteristic relating to a recovery load of the at least one battery, or some combination thereof.