# US 2024/0202149 A1 · Coordinating operations of multiple communication chips via local hub device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0202149 A1 - Document ID: US20240202149A1 - Status: Published application - Kind: A1 - Application number: 18/592,108 - Filed: 2024-02-29 - Published: 2024-06-20 - Earliest claimed: 2019-09-20 - Assignees: Apple Inc. - Applicants: Apple Inc. - Inventors: Helena Deirdre O'Shea; Matthias Sauer; Jorge L. Rivera Espinoza; Bernd Adler - Web page: https://patentgrep.com/patent/US20240202149A1 ## CPC - G06F 13/36: for access to common bus or bus system - G06F 15/167: using a common memory, e.g. mailbox - G06F 2213/40: Bus coupling - 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 Embodiments relate to coordinating the operations of subsystems in a communication system of an electronic device where a coexistence hub device monitors the state information transmitted as coexistence messages over one or more multi-drop buses, processes the monitored coexistence messages and sends out control messages as coexistence messages to other systems on chips (SOCs). The coexistence hub device can also update the operations of the communication system. The coexistence hub device may receive an operation policy from a central processor and may execute the operation policy without further coordination of the central processor. The coexistence hub device broadcasts the control messages as coexistence messages according to the executed operation policy. ## Claims ### Claim 1 An integrated circuit (IC) chip, comprising: a multi-drop bus; and an application processor coupled to the multi-drop bus and configured to: operate in a first power mode; send an initial operation policy to a coexistence hub device by the multi-drop bus; and switch to operate in a second power mode consuming less power than the first power mode, while the initial operation policy is executed by the coexistence hub device. ### Claim 2 (depends on 1) The IC chip of claim 1, wherein the application processor is further configured to send an updated operation policy to the coexistence hub device for deployment. ### Claim 3 (depends on 1) The IC chip of claim 1, wherein the application processor is further configured to: receive, while operating in the second power mode, a signal from a first device coupled to the multi-drop bus; modify or copy the received signal according to a predetermined rule; and send the modified signal to a second device coupled to the multi-drop bus. ### Claim 4 (depends on 1) The IC chip of claim 1, wherein the application processor is further configured to receive a current state from the coexistence hub device. ### Claim 5 (depends on 4) The IC chip of claim 4, wherein the current state comprises radio frequency (RF) channels in use by one or more devices coupled to the coexistence hub device or a transmission power of a radio signal used by the one or more devices or the coexistence hub device. ### Claim 6 (depends on 1) The IC chip of claim 1, wherein the initial operation policy comprises a first portion of an operation policy, and wherein the application processor is further configured to: receive an indication that a device coupled to the coexistence hub device is turned on; and send, to the coexistence hub device, a second portion of the operation policy relevant to the device. ### Claim 7 (depends on 1) The IC chip of claim 1, wherein the coexistence hub device is coupled to the multi-drop bus and the application processor and configured to: receive the initial operation policy from the application processor; and deploy the initial operation policy to one or more devices coupled to the coexistence hub device. ### Claim 8 (depends on 7) The IC chip of claim 7, wherein the one or more devices are coupled to the coexistence hub device. ### Claim 9 A method, comprising: operating an application processor in a first power mode; sending an initial operation policy to a coexistence hub device coupled to the application processor; and switching the application processor to operate in a second power mode consuming less power than the first power mode, while the initial operation policy is executed by the coexistence hub device. ### Claim 10 (depends on 9) The method of claim 9, wherein the application processor is coupled to the coexistence hub device by the multi-drop bus. ### Claim 11 (depends on 9) The method of claim 9, further comprising: sending, by the application processor, an updated operation policy to the coexistence hub device for deployment. ### Claim 12 (depends on 9) The method of claim 9, further comprising: receiving, while the application processor operates in the second power mode, a signal from a first device coupled to the application processor by a multi-drop bus; modifying, by the application processor, the received signal according to a predetermined rule; and sending, by the application processor, the modified signal to a second device coupled to the multi-drop bus. ### Claim 13 (depends on 9) The method of claim 9, further comprising: receiving, by the application processor, a current state from the coexistence hub device. ### Claim 14 (depends on 13) The method of claim 13, wherein the current state comprises radio frequency (RF) channels in use by one or more devices coupled to the coexistence hub or a transmission power of a radio signal used by the one or more devices or the coexistence hub device. ### Claim 15 (depends on 9) The method of claim 9, wherein the initial operation policy comprises a first portion of an operation policy, and wherein the method further comprises: receiving, by the application processor, an indication that a device coupled to the coexistence hub device is turned on; and sending, by the application processor, to the coexistence hub device a second portion of the operation policy relevant to the device. ### Claim 16 An electronic device, comprising: a multi-drop bus; a coexistence hub device coupled to the multi-drop bus; and an application processor coupled to the multi-drop bus and the coexistence hub device, and configured to: operate in a first power mode; send an initial operation policy to the coexistence hub device by the multi-drop bus; and switch to operate in a second power mode consuming less power than the first power mode, while the initial operation policy is executed by the coexistence hub device. ### Claim 17 (depends on 16) The electronic device of claim 16, wherein the application processor is further configured to send an updated operation policy to the coexistence hub device for deployment. ### Claim 18 (depends on 16) The electronic device of claim 16, wherein the coexistence hub device is configured to: receive the initial operation policy from the application processor; and deploy the initial operation policy to one or more devices coupled to the coexistence hub device. ### Claim 19 (depends on 18) The electronic device of claim 18, wherein the one or more devices are coupled to the coexistence hub device. ### Claim 20 (depends on 16) The electronic device of claim 16, wherein the application processor is further configured to: receive, while operating in the second power mode, a signal from a first device coupled to the multi-drop bus; modify or copy the received signal according to a predetermined rule; and send the modified signal to a second device coupled to the multi-drop bus.