# US 11,910,416 B2 · Default quasi-colocation for single downlink control information-based multiple transmission reception points > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,416 B2 - Document ID: US11910416B2 - Status: Granted - Kind: B2 - Application number: 17/036,991 - Filed: 2020-09-29 - Published: 2021-04-15 - Granted: 2024-02-20 - Earliest claimed: 2019-10-11 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Mostafa Khoshnevisan; Peter Gaal; Xiaoxia Zhang; Yan Zhou; Tao Luo; Jing Sun; Arumugam Chendamarai Kannan - Web page: https://patentgrep.com/patent/US11910416B2 ## CPC - H04B 7/088: {using beam selection} - H04W 72/53: based on regulatory allocation policies - H04L 5/0092: {Indication of how the channel is divided} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04W 8/24: Transfer of terminal data - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/0023: {Time-frequency-space} - H04B: TRANSMISSION - 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) ## Abstract Methods, systems, and devices for wireless communications are described. A communication device, which may be otherwise known as user equipment (UE) may receive a downlink control information (DCI) on a physical downlink control channel (PDCCH). The DCI may include one or more of an indication of a set of transmission configuration indicator (TCI) states related to a physical downlink shared channel (PDSCH), one or more receive beams associated with the set of TCI states, or a physical downlink shared channel (PDSCH) scheme. The UE may decode the DCI and may determine a temporal period associated with the indication of the set of TCI states. The UE may receive, based on the temporal period, the PDSCH according to one or more of the set of TCI states, the one or more receive beams associated with the set of TCI states, the PDSCH scheme, or one or more default receive beams. ## Claims ### Claim 1 An apparatus for wireless communication, comprising: one or more memories storing processor-executable code; and one or more processors coupled with the one or more memories, the one or more processors, individually or collectively, configured to execute the code to cause the apparatus to: receive a downlink control information on a physical downlink control channel, the downlink control information indicating a physical downlink shared channel multiplexing scheme and comprising one or more of an indication of a plurality of transmission configuration indicator states related to a physical downlink shared channel from a plurality of transmission reception points or an indication of one or more receive beams associated with the plurality of transmission configuration indicator states, wherein each of the plurality of transmission configuration indicator states is associated with a different transmission reception point of a plurality of transmission reception points; decode the downlink control information; determine a temporal period associated with the indication of the plurality of transmission configuration indicator states and a temporal offset period associated with the physical downlink shared channel from the plurality of transmission reception points; and receive, from the plurality of transmission reception points and based at least in part on a difference between respective durations of the temporal period and the temporal offset period, the physical downlink shared channel according to the physical downlink shared channel multiplexing scheme and one or more of the plurality of transmission configuration indicator states, the one or more receive beams associated with the plurality of transmission configuration indicator states, or one or more default receive beams. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: identify a capability relating to the one or more receive beams; and select one or more of the plurality of transmission configuration indicator states, the one or more receive beams associated with the plurality of transmission configuration indicator states, or the one or more default receive beams, based at least in part on the capability, wherein receiving the physical downlink shared channel is based at least in part on the selecting. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: include an indication of the temporal period in the capability; and transmit the capability carrying the indication of the temporal period. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: identify a transmission configuration indicator field in the downlink control information, wherein the transmission configuration indicator field indicates one or more transmission configuration indicator states of the plurality of transmission configuration indicator states. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the one or more processors are individually or collectively further operable to execute the code: determine that the temporal offset period is greater than or equal to the temporal period, wherein, to receive the physical downlink shared channel, the one or more processors are individually or collectively operable to execute the code to cause the apparatus to: receive, based at least in part on the temporal offset period being greater than or equal to the temporal period, the physical downlink shared channel according to the one or more transmission configuration indicator states of the plurality of transmission configuration indicator states. ### Claim 6 (depends on 3) The apparatus of claim 3, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: determine a second temporal period to decode the downlink control information; and transmit, with the capability, a second indication of the second temporal period to decode the downlink control information. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the temporal period is different from the second temporal period. ### Claim 8 (depends on 7) The apparatus of claim 7, wherein the second temporal period is smaller than the temporal period. ### Claim 9 (depends on 6) The apparatus of claim 6, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: determine that the temporal offset period is greater than or equal to the second temporal period; and determine that the temporal offset period is lesser than or equal to the temporal period, wherein receiving the physical downlink shared channel comprises: receive, based at least in part on one or more of the temporal offset period being greater than or equal to the second temporal period or the temporal offset period being lesser than or equal to the temporal period, the physical downlink shared channel according to one or more of the physical downlink shared channel multiplexing scheme or the one or more default receive beams for the physical downlink shared channel. ### Claim 10 (depends on 6) The apparatus of claim 6, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: determine that the temporal offset period is lesser than the second temporal period, wherein receiving the physical downlink shared channel comprises: receive, based at least in part on the temporal offset period being lesser than the second temporal period, the physical downlink shared channel according to one or more of the one or more default receive beams or a default physical downlink shared channel scheme for the physical downlink shared channel. ### Claim 11 (depends on 6) The apparatus of claim 6, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: receive, based at least in part on the temporal period, the physical downlink shared channel according to a default physical downlink shared channel scheme, wherein the default physical downlink shared channel scheme is based at least in part on a set of preconfigured physical downlink shared channel schemes. ### Claim 12 (depends on 6) The apparatus of claim 6, wherein the second temporal period comprises a quantity of symbols. ### Claim 13 (depends on 6) The apparatus of claim 6, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: determine a subcarrier spacing based at least in part on the capability, wherein determining the second temporal period is based at least in part on the subcarrier spacing. ### Claim 14 (depends on 1) The apparatus of claim 1, wherein the temporal offset period comprises a duration from an ending symbol of the physical downlink control channel carrying the downlink control information to a beginning symbol of the physical downlink shared channel, wherein the physical downlink control channel schedules the physical downlink shared channel. ### Claim 15 (depends on 1) The apparatus of claim 1, wherein one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: determine that the temporal offset period is lesser than the temporal period; receive, based at least in part on that the temporal offset period being lesser than the temporal period, a first data sample set in accordance with the one or more default receive beams and the physical downlink shared channel multiplexing scheme; and receive, based at least in part on that the temporal offset period being lesser than the temporal period, a second data sample set in accordance with the one or more default receive beams and the physical downlink shared channel multiplexing scheme. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: store one or more of the first data sample set or the second data sample set based at least in part on that the temporal offset period being lesser than the temporal period, wherein the stored first data sample set or the stored second data sample set correspond to a first antenna panel or a second antenna panel. ### Claim 17 (depends on 15) The apparatus of claim 15, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: process one or more of the first data sample set or the second data sample set based at least in part on the physical downlink shared channel multiplexing scheme, wherein the physical downlink shared channel multiplexing scheme comprises a space division multiplexing scheme. ### Claim 18 (depends on 15) The apparatus of claim 15, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: process one or more of the first data sample set or the second data sample set based at least in part on the plurality of transmission configuration indicator states. ### Claim 19 (depends on 15) The apparatus of claim 15, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: process one or more of the first data sample set or the second data sample set based at least in part on the physical downlink shared channel multiplexing scheme, wherein the physical downlink shared channel multiplexing scheme comprises a frequency division multiplexing scheme, wherein, to process one or more of the first data sample set or the second data sample set, the one or more processors are individually or collectively operable to execute the code to cause the apparatus to: process the first data sample set in a first set of resource blocks corresponding to a first transmission configuration indicator state of the plurality of transmission configuration indicator states; and process the second data sample set in a second set of resource blocks corresponding to a second transmission configuration indicator state of the plurality of transmission configuration indicator states. ### Claim 20 (depends on 15) The apparatus of claim 15, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: process one or more of the first data sample set or the second data sample set based at least in part on the physical downlink shared channel multiplexing scheme, wherein the physical downlink shared channel multiplexing scheme comprises a time division multiplexing scheme, wherein, to process one or more of the first data sample set or the second data sample set, the one or more processors are individually or collectively operable to execute the code to cause the apparatus to: process the first data sample set in a first plurality of transmission time intervals corresponding to a first transmission configuration indicator state of the plurality of transmission configuration indicator states; and process the second data sample set in a second set of set of transmission time intervals corresponding to a second transmission configuration indicator state of the plurality of transmission configuration indicator states. ### Claim 21 (depends on 1) The apparatus of claim 1, wherein the temporal period relates to one or more of a quantity of symbols to receive the physical downlink control channel and apply spatial quasi-colocation information for the physical downlink shared channel. ### Claim 22 (depends on 1) The apparatus of claim 1, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: determine a quantity of symbols to receive the physical downlink control channel based at least in part on the temporal period; apply spatial quasi-colocation information for the physical downlink shared channel; and receive the physical downlink shared channel based at least in part on the spatial quasi-colocation information. ### Claim 23 (depends on 1) The apparatus of claim 1, wherein the one or more default receive beams are based at least in part on a set of preconfigured receive beams. ### Claim 24 (depends on 1) The apparatus of claim 1, wherein the physical downlink shared channel multiplexing scheme comprises a single transmission configuration indicator state scheme, a time division multiplexing scheme, a frequency division multiplexing scheme, a space division multiplexing scheme, or a code division multiplexing scheme. ### Claim 25 (depends on 1) The apparatus of claim 1, wherein the one or more processors are individually or collectively further operable to execute the code to cause the apparatus to: receive the physical downlink shared channel over a duration, wherein the duration comprises a transmission occasion, a transmission time interval, and the transmission time interval comprising one or more orthogonal frequency-division multiplexing symbols, one or more mini-slots, one or more slots, or a combination thereof. ### Claim 26 A method for wireless communication, comprising: receiving a downlink control information on a physical downlink control channel, the downlink control information indicating a physical downlink shared channel multiplexing scheme and comprising one or more of an indication of a plurality of transmission configuration indicator states related to a physical downlink shared channel from a plurality of transmission reception points or an indication of one or more receive beams associated with the plurality of transmission configuration indicator states, wherein each of the plurality of transmission configuration indicator states is associated with a different transmission reception point of a plurality of transmission reception points; decoding the downlink control information; determining a temporal period associated with the indication of the plurality of transmission configuration indicator states and a temporal offset period associated with the physical downlink shared channel from the plurality of transmission reception points; and receiving, from the plurality of transmission reception points and based at least in part on a difference between respective durations of the temporal period and the temporal offset period, the physical downlink shared channel according to the physical downlink shared channel multiplexing scheme and one or more of the plurality of transmission configuration indicator states, the one or more receive beams associated with the plurality of transmission configuration indicator states, or one or more default receive beams. ### Claim 27 (depends on 26) The method of claim 26, further comprising: identifying a capability relating to the one or more receive beams; and selecting one or more of the plurality of transmission configuration indicator states, the one or more receive beams associated with the plurality of transmission configuration indicator states, or the one or more default receive beams, based at least in part on the capability, wherein receiving the physical downlink shared channel is based at least in part on the selecting. ### Claim 28 (depends on 27) The method of claim 27, further comprising: including an indication of the temporal period in the capability; and transmitting the capability carrying the indication of the temporal period. ### Claim 29 (depends on 28) The method of claim 28, further comprising: identifying a transmission configuration indicator field in the downlink control information, wherein the transmission configuration indicator field indicates one or more transmission configuration indicator states of the plurality of transmission configuration indicator states. ### Claim 30 (depends on 29) The method of claim 29, further comprising: determining that the temporal offset period is greater than or equal to the temporal period, wherein receiving the physical downlink shared channel comprises: receiving, based at least in part on the temporal offset period being greater than or equal to the temporal period, the physical downlink shared channel according to the one or more transmission configuration indicator states of the plurality of transmission configuration indicator states. ### Claim 31 (depends on 26) The method of claim 26, wherein the temporal offset period comprises a duration from an ending symbol of the physical downlink control channel carrying the downlink control information to a beginning symbol of the physical downlink shared channel, wherein the physical downlink control channel schedules the physical downlink shared channel. ### Claim 32 (depends on 26) The method of claim 26, further comprising: determining that the temporal offset period is lesser than the temporal period; receiving, based at least in part on that the temporal offset period being lesser than the temporal period, a first data sample set in accordance with the one or more default receive beams and the physical downlink shared channel multiplexing scheme; and receiving, based at least in part on that the temporal offset period being lesser than the temporal period, a second data sample set in accordance with the one or more default receive beams and the physical downlink shared channel multiplexing scheme. ### Claim 33 (depends on 32) The method of claim 32, further comprising: storing one or more of the first data sample set or the second data sample set based at least in part on that the temporal offset period being lesser than the temporal period, wherein the stored first data sample set or the stored second data sample set correspond to a first antenna panel or a second antenna panel. ### Claim 34 (depends on 32) The method of claim 32, further comprising: processing one or more of the first data sample set or the second data sample set based at least in part on the physical downlink shared channel multiplexing scheme, wherein the physical downlink shared channel multiplexing scheme comprises a space division multiplexing scheme. ### Claim 35 (depends on 32) The method of claim 32, further comprising: processing one or more of the first data sample set or the second data sample set based at least in part on the plurality of transmission configuration indicator states. ### Claim 36 (depends on 32) The method of claim 32, further comprising: processing one or more of the first data sample set or the second data sample set based at least in part on the physical downlink shared channel multiplexing scheme, wherein the physical downlink shared channel multiplexing scheme comprises a frequency division multiplexing scheme, wherein processing one or more of the first data sample set or the second data sample set comprises: processing the first data sample set in a first set of resource blocks corresponding to a first transmission configuration indicator state of the plurality of transmission configuration indicator states; and processing the second data sample set in a second set of resource blocks corresponding to a second transmission configuration indicator state of the plurality of transmission configuration indicator states. ### Claim 37 (depends on 32) The method of claim 32, further comprising: processing one or more of the first data sample set or the second data sample set based at least in part on the physical downlink shared channel multiplexing scheme, wherein the physical downlink shared channel multiplexing scheme comprises a time division multiplexing scheme, wherein processing one or more of the first data sample set or the second data sample set comprises: processing the first data sample set in a first set of transmission time intervals corresponding to a first transmission configuration indicator state of the plurality of transmission configuration indicator states; and processing the second data sample set in a second set of set of transmission time intervals corresponding to a second transmission configuration indicator state of the plurality of transmission configuration indicator states.