# US 2022/0278787 A1 · Apparatus and method for transmission configuration indication states > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0278787 A1 - Document ID: US20220278787A1 - Status: Published application - Kind: A1 - Application number: 17/637,329 - Filed: 2019-08-23 - Published: 2022-09-01 - Earliest claimed: 2019-08-23 - Assignees: Lenovo (Beijing) Limited - Applicants: Lenovo (Beijing) Limited - Inventors: Bingchao Liu; Chenxi Zhu; Wei Ling; Lianhai Wu - Web page: https://patentgrep.com/patent/US20220278787A1 ## CPC - H04L 5/0035: {Resource allocation in a cooperative multipoint environment} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04L 5/0023: {Time-frequency-space} - H04W 72/231: the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling - H04W 72/51: based on terminal or device properties - H04W 8/24: Transfer of terminal data - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Apparatus and methods of Transmission Configuration Indication (TCI) states configuration and activation or deactivation for multiple DCI (M-DCI) based multiple TRP (M-TRP) Downlink (DL) transmission are disclosed. The apparatus includes: a receiver that receives a capability report from a remote device, wherein the capability report indicates that the remote device supports 128 or more configurable TCI states; a processor that configures 128 or more TCI states according to the capability report; and a transmitter that transmits a Media Access Control (MAC) Control Element (CE) to activate a subset of the TCI states. ## Claims ### Claim 1 An apparatus, comprising: a receiver configured to receive a capability report from a remote device, wherein the capability report indicates that the remote device supports 128 or more configurable transmission configuration indication states; a processor configured to configure 128 or more transmission configuration indication states according to the capability report; and a transmitter configured to transmit a media access control control element to activate a subset of the transmission configuration indication states. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the transmission configuration indication states in the subset are associated with a plurality of control resource set groups, and each control resource set group comprises one or more control resource sets that are configured for a same transmit receive point. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the transmission configuration indication states in the subset are associated with a plurality of control resource sets configured with a same index value. ### Claim 4 (depends on 2) The apparatus of claim 2, wherein the media access control control element comprises a control resource set group identification. ### Claim 5 (depends on 2) The apparatus of claim 2, wherein the media access control control element comprises a control resource set identification. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein the control resource set identification is a lowest control resource set identification among the plurality of control resource sets configured for the same transmit receive point. ### Claim 7 (depends on 3) The apparatus of claim 3, wherein the media access control control element comprises an index value. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the media access control control element is for activating eight or more transmission configuration indication states within the configured transmission configuration indication states. ### Claim 9 (depends on 2) The apparatus of claim 2, wherein the processor configures a plurality of transmission configuration indication groups, and each transmission configuration indication group comprises a plurality of configured transmission configuration indication states that are associated with one of the control resource set groups. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the media access control control element comprises eight transmission configuration indication state identifiers, each transmission configuration indication state identifier indicating a transmission configuration indication state to be activated. ### Claim 11 An apparatus, comprising: a transmitter configured to transmit a capability report, wherein the capability report indicates that the apparatus supports 128 or more configurable transmission configuration indication states; and a receiver configured to receive a media access control control element for activating a subset of the transmission configuration indication states. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein the media access control control element comprises a control resource set group identification. ### Claim 13 (depends on 11) The apparatus of claim 11, wherein the media access control control element comprises a control resource set identification. ### Claim 14 (depends on 13) The apparatus of claim 13, wherein the transmission configuration indication states in the subset are associated with a control resource set group, the control resource set group comprises one or more control resource sets that are associated with a same transmit receive point. ### Claim 15 (depends on 11) The apparatus of claim 11, wherein the transmission configuration indication states in the subset are associated with a plurality of control resource sets configured with a same index value. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein the media access control control element comprises an index value. ### Claim 17 (depends on 11) The apparatus of claim 11, wherein the media access control control element is for activating eight or more transmission configuration indication states within the configurable transmission configuration indication states. ### Claim 18 (depends on 11) The apparatus of claim 11, further comprising a processor configured to determine a quasi co-location for a physical downlink shared channel reception based on a transmission configuration indication state configured for a control resource set with a lowest control resource set identifier among the control resource sets configured for a same transmit receive point when a higher layer parameter tci-PresentInDCI is set to enabled and an offset between reception of a downlink control information and a corresponding physical downlink shared channel is less than a threshold. ### Claim 19 A method, comprising: receiving, by a receiver, a capability report from a remote device, wherein the capability report indicates that the remote device supports 128 or more configurable transmission configuration indication states; configuring, by a processor, 128 or more transmission configuration indication states according to the capability report; and transmitting, by a transmitter, a media access control control element to activate a subset of the transmission configuration indication states. ### Claim 20 (depends on 19) The method of claim 19, wherein the transmission configuration indication states in the subset are associated with a plurality of control resource set groups, and each control resource set group comprises one or more control resource sets that are configured for a same transmit receive point. ### Claim at position 21 21-36. (canceled)