# US 11,910,309 B2 · Base station power state transition in the presence of uplink traffic > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,309 B2 - Document ID: US11910309B2 - Status: Granted - Kind: B2 - Application number: 17/592,134 - Filed: 2022-02-03 - Published: 2022-05-19 - Granted: 2024-02-20 - Earliest claimed: 2019-03-27 - Assignees: Ofinno, LLC - Applicants: Ofinno, LLC - Inventors: Yunjung Yi; Esmael Hejazi Dinan; Hua Zhou; Hyoungsuk Jeon; Alireza Babaei; Kai Xu; Kyungmin Park - Web page: https://patentgrep.com/patent/US11910309B2 ## CPC - H04W 52/0206: {in access points, e.g. base stations} - H04L 1/1864: {ARQ related signaling (H04L1/1607 takes precedence)} - H04L 1/1893: {Physical mapping arrangements (physical resource mapping in general H04L5/00)} - H04W 28/04: Error control - H04W 72/1268: of uplink data flows - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/1822: involving configuration of automatic repeat request [ARQ] with parallel processes - H04L 1/1877: {for semi-reliable protocols, e.g. for less sensitive applications like streaming video (buffer level management for video bitstream control arrangements H04N21/44004)} - H04W 72/12: Wireless traffic scheduling - 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 A base station may receive, from a wireless device, uplink data via a first configured grant resource of a first cell of a plurality of cells. The base station may determine a second cell from the plurality of cells to transition from a dormant state to a non-dormant state. The determining may be based on the second cell being configured with a control resource set for receiving uplink grants for retransmission of the uplink data. In response to the receiving, the base station may transition the second cell from the dormant state to the non-dormant state. The base station may transmit, to the wireless device via the second cell, an uplink grant indicating a radio resource. The base station may receive, from the wireless device via the radio resource, a retransmission of the uplink data. ## Claims ### Claim 1 A method comprising: receiving, by a base station from a wireless device, uplink data via a first configured grant resource of a first cell of a plurality of cells; determining a second cell from the plurality of cells to transition from a dormant state to a non-dormant state, wherein the determining is based on the second cell being configured with a control resource set for receiving uplink grants for retransmission of the uplink data; in response to the receiving, transitioning the second cell from the dormant state to the non-dormant state; transmitting, to the wireless device via the second cell, an uplink grant indicating a radio resource; and receiving, from the wireless device via the radio resource, a retransmission of the uplink data. ### Claim 2 (depends on 1) The method of claim 1, wherein the second cell is the first cell based on the first cell being configured with self-carrier scheduling on the first cell. ### Claim 3 (depends on 1) The method of claim 1, wherein the second cell is a scheduling cell for the first cell based on the second cell being configured with cross-carrier scheduling on the first cell. ### Claim 4 (depends on 1) The method of claim 1, wherein the base station receives, from the wireless device, the uplink data via the first configured grant resource of the first cell, wherein the first cell is in the dormant state. ### Claim 5 (depends on 4) The method of claim 4, further comprising maintaining the first configured grant resource without clearing the first configured grant resource in response to transitioning the first cell to the dormant state. ### Claim 6 (depends on 1) The method of claim 1, further comprising stopping transmitting a first downlink control information (DCI), via one or more control resource sets of the second cell, comprising a first resource assignment for the first cell in response to transitioning the first cell to the dormant state. ### Claim 7 (depends on 6) The method of claim 6, further comprising transmitting a second DCI, to the wireless device via the one or more control resource sets of the second cell, comprising a second resource assignment for the first cell in response to transitioning the first cell to the non-dormant state. ### Claim 8 (depends on 1) The method of claim 1, further comprising transmitting, to the wireless device, one or more messages comprising configuration parameters of a power saving state inactivity timer (PS-inactivityTimer) for the first cell. ### Claim 9 (depends on 8) The method of claim 8, further comprising starting the PS-inactivityTimer in response to transmitting the uplink data via the first configured grant resource of the first cell. ### Claim 10 (depends on 9) The method of claim 9, further comprising transitioning the first cell to the dormant state in response to an expiry of the PS-inactivityTimer. ### Claim 11 A base station comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the base station to: receive, from a wireless device, uplink data via a first configured grant resource of a first cell of a plurality of cells; determine a second cell from the plurality of cells to transition from a dormant state to a non-dormant state based on the second cell being configured with a control resource set for receiving uplink grants for retransmission of the uplink data; in response to receiving the uplink data via the first configured grant resource, transition the second cell from the dormant state to the non-dormant state; transmit an uplink grant, to the wireless device via the second cell, indicating a radio resource; and receive, from the wireless device via the radio resource, a retransmission of the uplink data. ### Claim 12 (depends on 11) The base station of claim 11, wherein the second cell is the first cell based on the first cell being configured with self-carrier scheduling on the first cell. ### Claim 13 (depends on 11) The base station of claim 11, wherein the second cell is a scheduling cell for the first cell based on the second cell being configured with cross-carrier scheduling on the first cell. ### Claim 14 (depends on 11) The base station of claim 11, wherein the base station receives, from the wireless device, the uplink data via the first configured grant resource of the first cell, wherein the first cell is in the dormant state. ### Claim 15 (depends on 14) The base station of claim 14, wherein the instructions, when executed by the one or more processors, further cause the wireless device to maintain the first configured grant resource without clearing the first configured grant resource in response to transitioning the first cell to the dormant state. ### Claim 16 (depends on 11) The base station of claim 11, wherein the instructions, when executed by the one or more processors, further cause the base station to stop transmitting a first downlink control information (DCI), via one or more control resource sets of the second cell, comprising a first resource assignment for the first cell in response to transitioning the first cell to the dormant state. ### Claim 17 (depends on 16) The base station of claim 16, wherein the instructions, when executed by the one or more processors, further cause the transmitting to transmit a second DCI, to the wireless device via the one or more control resource sets of the second cell, comprising a second resource assignment for the first cell in response to transitioning the first cell to the non-dormant state. ### Claim 18 (depends on 11) The base station of claim 11, wherein the instructions, when executed by the one or more processors, further cause the base station to transmit, to the wireless device, one or more messages comprising configuration parameters of a power saving state inactivity timer (PS-inactivityTimer) for the first cell. ### Claim 19 A non-transitory computer-readable medium comprising instructions that, when executed by one or more processors, cause the one or more processors to: receive, from a wireless device, uplink data via a first configured grant resource of a first cell of a plurality of cells; determine a second cell from the plurality of cells to transition from a dormant state to a non-dormant state based on the second cell being configured with a control resource set for receiving uplink grants for retransmission of the uplink data; in response to receiving the uplink data via the first configured grant resource, transition the second cell from the dormant state to the non-dormant state; transmit an uplink grant, to the wireless device via the second cell, indicating a radio resource; and receive, from the wireless device via the radio resource, a retransmission of the uplink data. ### Claim 20 (depends on 19) The non-transitory computer-readable medium of claim 19, wherein the instructions, when executed by the one or more processors, further cause the one or more processors to transmit, to the wireless device, one or more messages comprising configuration parameters of a power saving state inactivity timer (PS-inactivityTimer) for the first cell.