# US 12,225,538 B2 · Configuration for wireless communication in inactive or idle states > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,225,538 B2 - Document ID: US12225538B2 - Status: Granted - Kind: B2 - Application number: 17/358,194 - Filed: 2021-06-25 - Published: 2021-12-30 - Granted: 2025-02-11 - Earliest claimed: 2020-06-26 - Assignees: Comcast Cable Communications, LLC - Applicants: Comcast Cable Communications, LLC - Inventors: Hyoungsuk Jeon; Esmael Dinan; Taehun Kim; Kyungmin Park; Yunjung Yi; Hua Zhou - Web page: https://patentgrep.com/patent/US12225538B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame} - H04W 52/0219: {where the power saving management affects multiple terminals} - H04W 52/0232: {according to average transmission signal activity} - H04W 52/0245: {according to signal strength} - H04W 52/0258: {controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day} - H04W 52/028: {switching on or off only a part of the equipment circuit blocks} - H04W 72/1268: of uplink data flows - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 76/30: Connection release - 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 Data may be communicated during a connected state of the wireless device using configured resources. The wireless device may transition to an inactive state and/or an idle state. A release message, for transitioning the wireless device from the connected state, may indicate resource information for the wireless device to use to be able to send and/or receive data in the inactive state and/or in the idle state. ## Claims ### Claim 1 A method comprising: receiving, by a wireless device, at least one system information block message indicating an initial bandwidth part configured for the wireless device, wherein the at least one system information block message further indicates whether a second bandwidth part, different from the initial bandwidth part, is configured for the wireless device for uplink data transmission during a radio resource control (RRC) inactive state; receiving, by the wireless device in an RRC connected state and via a cell, an RRC release message comprising: an indication to transition the wireless device from the RRC connected state to the RRC inactive state; an indication of a configured uplink grant to transmit, via the cell and in the RRC inactive state, uplink data; and an identifier of an index of at least one synchronization signal block (SSB), of a plurality of SSBs of the cell, associated with the configured uplink grant; transitioning, based on the RRC release message, to the RRC inactive state; receiving an SSB of the at least one SSB indicated by the RRC release message; and based on the at least one system information block message indicating the second bandwidth part is not configured for the wireless device for uplink data transmission during the RRC inactive state, transmitting, in the RRC inactive state and using the initial bandwidth part instead of the second bandwidth part, uplink data via the configured uplink grant indicated by the RRC release message. ### Claim 2 (depends on 1) The method of claim 1, wherein the configured uplink grant comprises a configured grant for a small data transmission. ### Claim 3 (depends on 1) The method of claim 1, wherein the transmitting the uplink data comprises transmitting a small data transmission, and wherein the transmitting the uplink data is further based on: the configured uplink grant; and the SSB of the at least one SSB. ### Claim 4 (depends on 1) The method of claim 1, wherein the RRC release message is a wireless device specific message for the wireless device. ### Claim 5 (depends on 1) The method of claim 1, wherein the RRC release message indicates a release of an RRC connection. ### Claim 6 (depends on 1) The method of claim 1, wherein the RRC release message indicates a bandwidth part of the cell. ### Claim 7 (depends on 6) The method of claim 6, wherein the bandwidth part comprises at least one of: the initial bandwidth part; or the second bandwidth part. ### Claim 8 (depends on 1) The method of claim 1, further comprising: based on receiving, by the wireless device in the RRC inactive state, a broadcast message indicating a change of at least one cell configuration parameter, invalidating the configured uplink grant. ### Claim 9 (depends on 1) The method of claim 1, wherein the receiving the SSB comprises receiving the SSB during a time period in which the wireless device is in the RRC inactive state. ### Claim 10 A method comprising: transmitting, by a base station, at least one system information block message indicating an initial bandwidth part configured for a wireless device, wherein the at least one system information block message further indicates whether a second bandwidth part, different from the initial bandwidth part, is configured for the wireless device for uplink data transmission during a radio resource control (RRC) inactive state; transmitting, by the base station and via a cell, an RRC release message comprising: an indication to transition the wireless device from an RRC connected state to the RRC inactive state; an indication of a configured uplink grant to transmit, via the cell and in the RRC inactive state, uplink data; and an identifier of an index of at least one synchronization signal block (SSB), of a plurality of SSBs of the cell, associated with the configured uplink grant; transmitting an SSB of the at least one SSB indicated by the RRC release message; and based on the at least one system information block message indicating the second bandwidth part is not configured for the wireless device for uplink data transmission during the RRC inactive state, receiving, from the wireless device in the RRC inactive state and via the initial bandwidth part instead of the second bandwidth part, uplink data via the configured uplink grant indicated by the RRC release message. ### Claim 11 (depends on 10) The method of claim 10, wherein the configured uplink grant comprises a configured grant for a small data transmission. ### Claim 12 (depends on 10) The method of claim 10, wherein the receiving the uplink data comprises receiving a small data transmission. ### Claim 13 (depends on 10) The method of claim 10, wherein the RRC release message is a wireless device specific message for the wireless device. ### Claim 14 (depends on 10) The method of claim 10, wherein the RRC release message indicates a release of an RRC connection. ### Claim 15 (depends on 10) The method of claim 10, wherein the receiving the uplink data is further based on: the configured uplink grant; and the SSB of the at least one SSB. ### Claim 16 A method comprising: receiving, by a wireless device, at least one system information block message indicating an initial bandwidth part configured for the wireless device, wherein the at least one system information block message further indicates whether a second bandwidth part, different from the initial bandwidth part, is configured for the wireless device for uplink data transmission during a radio resource control (RRC) inactive state; receiving, by the wireless device in an RRC connected state, an RRC release message comprising: an indication to transition the wireless device from the RRC connected state to the RRC inactive state; an indication of a configured uplink grant, configured in the second bandwidth part, to transmit uplink data in the RRC inactive state; an identifier of an index of at least one synchronization signal block (SSB), of a plurality of SSBs of a cell, associated with the configured uplink grant; and configuration parameters, of the second bandwidth part, for transmission of uplink data; transitioning, based on the RRC release message, to the RRC inactive state; and based on the at least one system information block message indicating the second bandwidth part is configured for the wireless device for uplink data transmission during the RRC inactive state, transmitting, in the RRC inactive state, using the second bandwidth part instead of the initial bandwidth part, uplink data via the configured uplink grant indicated by the RRC release message. ### Claim 17 (depends on 16) The method of claim 16, wherein the initial bandwidth part is an initial bandwidth part of the cell. ### Claim 18 (depends on 16) The method of claim 16, wherein the configuration parameters of the second bandwidth part comprise at least one of: a frequency location of the second bandwidth part; a quantity of resource blocks of the second bandwidth part; or a numerology of the second bandwidth part. ### Claim 19 (depends on 16) The method of claim 16, wherein the second bandwidth part comprises a small data transmission bandwidth part. ### Claim 20 (depends on 16) The method of claim 16, wherein the second bandwidth part is a bandwidth part used to receive the RRC release message. ### Claim 21 (depends on 16) The method of claim 16, wherein the configured uplink grant comprises a configured grant for a small data transmission. ### Claim 22 (depends on 16) The method of claim 16, wherein the transmitting the uplink data comprises transmitting a small data transmission, and wherein the transmitting the uplink data is further based on: the configured uplink grant configured in the second bandwidth part; and an SSB of the at least one SSB. ### Claim 23 (depends on 16) The method of claim 16, wherein the initial bandwidth part is a bandwidth part used for at least one of a cell search process or a random access process. ### Claim 24 A method comprising: transmitting, by a base station, at least one system information block message indicating an initial bandwidth part configured for a wireless device, wherein the at least one system information block message further indicates whether a second bandwidth part, different from the initial bandwidth part, is configured for the wireless device for uplink data transmission during a radio resource control (RRC) inactive state; transmitting, by the base station, an RRC release message comprising: an indication to transition the wireless device from an RRC connected state to the RRC inactive state; an indication of a configured uplink grant, configured in the second bandwidth part, to transmit uplink data in the RRC inactive state; an identifier of an index of at least one synchronization signal block (SSB), of a plurality of SSBs of a cell, associated with the configured uplink grant; and configuration parameters, of the second bandwidth part, for transmission of uplink data; and based on the at least one system information block message indicating the second bandwidth part is configured for the wireless device for uplink data transmission during the RRC inactive state, receiving, via the second bandwidth part instead of the initial bandwidth part, from the wireless device, uplink data via the configured uplink grant indicated by the RRC release message. ### Claim 25 (depends on 24) The method of claim 24, wherein the configuration parameters of the second bandwidth part comprise at least one of: a frequency location of the second bandwidth part; a quantity of resource blocks of the second bandwidth part; or a numerology of the second bandwidth part. ### Claim 26 (depends on 24) The method of claim 24, wherein the second bandwidth part comprises a small data transmission bandwidth part. ### Claim 27 (depends on 24) The method of claim 24, wherein the second bandwidth part is a bandwidth part used to transmit the RRC release message. ### Claim 28 (depends on 24) The method of claim 24, wherein the configured uplink grant comprises a configured grant for a small data transmission. ### Claim 29 (depends on 24) The method of claim 24, wherein the receiving the uplink data comprises receiving a small data transmission, and wherein the receiving the uplink data is further based on: the configured uplink grant configured in the second bandwidth part; and an SSB of the at least one SSB. ### Claim 30 (depends on 24) The method of claim 24, wherein the initial bandwidth part is a bandwidth part used for at least one of a cell search process or a random access process.