# US 2020/0401203 A1 · Energy-aware computing system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0401203 A1 - Document ID: US20200401203A1 - Status: Published application - Kind: A1 - Application number: 17/009,268 - Filed: 2020-09-01 - Published: 2020-12-24 - Earliest claimed: 2017-07-12 - Assignees: Wiliot, Ltd. - Applicants: Wiliot, LTD. - Inventors: Yaron ELBOIM; Dotan ZIV; Yuval AMRAN; Nir SHAPIRA - Web page: https://patentgrep.com/patent/US20200401203A1 ## CPC - G06F 1/329: by task scheduling - G06F 1/3212: Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level - G06F 1/3296: by lowering the supply or operating voltage - G06F 9/5094: {where the allocation takes into account power or heat criteria (power management in computers in general G06F1/3203; thermal management in computers in general G06F1/206)} - G06F 15/7807: {System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package} - Y02D 10/00: Energy efficient computing, e.g. low power processors, power management or thermal management - 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 An energy-aware system is provided. The system includes an energy harvester adapted to supply harvested energy as an output for storage at an energy storage; and a scheduler, the scheduler being made up of, at least in part, hardware of the energy-aware system, the scheduler operable to schedule execution of operations performed by the energy-aware system, wherein the scheduler is configured to: determine if a current voltage level at the energy storage is higher than a start voltage level; and cause initiation of execution of at least a portion one of the operations when the start voltage of the one of the operations levels is lower than or equal to the current voltage level. ## Claims ### Claim 1 An energy-aware system comprising: an energy harvester adapted to supply harvested energy as an output for storage at an energy storage; and a scheduler, the scheduler being made up of, at least in part, hardware of the energy-aware system, the scheduler operable to schedule execution of operations performed by the energy-aware system, wherein the scheduler is configured to: determine if a current voltage level at the energy storage is higher than a start voltage level; and cause initiation of execution of at least a portion of one of the operations when the start voltage of the one of the operations levels is lower than or equal to the current voltage level. ### Claim 2 (depends on 1) The system of claim 1, wherein the start voltage level indicates that execution of the one of the operations can proceed. ### Claim 3 (depends on 1) The system of claim 1, further comprising: a retention memory configured to maintain data used by at least partially executed operations, wherein the retention memory is continuously powered on. ### Claim 4 (depends on 1) The system of claim 1, wherein each of the operations when executed are executed by any one of: a microcontroller and a system on chip (SoC). ### Claim 5 (depends on 4) The system of claim 4, wherein each of the operations includes any one of: a process, a sub-process, and a routine. ### Claim 6 (depends on 4) The system of claim 4, wherein each of the execution functions integrated in the SoC operate in a different power domain. ### Claim 7 (depends on 4) The system of claim 4, wherein execution of the at least one of the operations in the SoC powers only a single power domain. ### Claim 8 (depends on 1) The system of claim 1, wherein the scheduler is implemented by at least one of a microcontroller of the energy-aware system and a system on chip (SoC) of the energy-aware system. ### Claim 9 (depends on 1) The system of claim 1, wherein the scheduler is further configured to: select the one of the operations for execution based on a predefined order for execution of the operations. ### Claim 10 (depends on 1) The system of claim 1, wherein the start voltage level is a minimum required voltage level required to start execution of one of the operations, and wherein the start voltage level is dynamically adjusted. ### Claim 11 (depends on 1) The system of claim 1, wherein the start voltage level is set differently for at least two different ones of the operations. ### Claim 12 (depends on 1) The system of claim 1, wherein the scheduler is configured to schedule execution of the one of the operations during an execution cycle, and wherein during the execution thereof the available energy at the power storage is sufficient to at least start execution of the at least one operation. ### Claim 13 (depends on 3) The system of claim 3, wherein each operation scheduled for execution loads a context from the retention memory and writes result of the execution in the retention memory. ### Claim 14 (depends on 1) The system of claim 1, wherein the energy harvester harvests energy from over-the-air signals. ### Claim 15 (depends on 1) The system of claim 1, further comprising the energy storage. ### Claim 16 (depends on 1) The system of claim 1, further comprising a radio frequent (RF) transceiver that is operable by a least one of operations performed by the energy-aware system to at least one of transmit data and receive data. ### Claim 17 (depends on 1) The system of claim 1, wherein the current voltage level is an indication of energy previously harvested by the energy harvester that is currently available. ### Claim 18 A method for operating a scheduler of an energy-aware system that further comprises an energy harvester adapted to supply harvested energy as output for storage at an energy storage, the method, comprising: determining if a current voltage level at the energy storage included in the energy-aware system is higher than a start voltage level; and causing initiation of execution of at least a portion of one of the operations when the start voltage of the one of the operations levels is lower than or equal to the current voltage level. ### Claim 19 (depends on 18) The method of claim 18, further comprising: selecting the at least one operation for execution based on a predefined order of execution of operations executable by the energy-aware system. ### Claim 20 (depends on 18) The method of claim 18, wherein the start voltage level is a minimum required voltage level required to start an operation executable by the energy-aware system, and wherein the start voltage level is dynamically adjusted. ### Claim 21 (depends on 18) The method of claim 18, wherein the start voltage level is set differently for at least two different operations executable by the energy-aware system. ### Claim 22 (depends on 18) The method of claim 18, wherein the causing initiation of execution of at least a portion one of the operations, further comprises: scheduling execution of the one of the operations during an execution cycle, and wherein during the execution thereof the available energy at the power storage is sufficient to at least start execution of the at least one operation. ### Claim 23 (depends on 18) The system of claim 18, wherein the current voltage level is an indication of energy previously harvested by the energy harvester that is currently available. ### Claim 24 (depends on 18) The system of claim 18, wherein the start voltage level indicates that execution of the one of the operations can proceed.