# US 12,016,031 B2 · Method for transmitting and receiving plurality of physical downlink shared channels in wireless communication system, and device for same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,016,031 B2 - Document ID: US12016031B2 - Status: Granted - Kind: B2 - Application number: 17/284,367 - Filed: 2019-10-21 - Published: 2021-11-11 - Granted: 2024-06-18 - Earliest claimed: 2018-10-19 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Jiwon Kang; Hyungtae Kim - Web page: https://patentgrep.com/patent/US12016031B2 ## CPC - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04B 7/06964: {Re-selection of one or more beams after beam failure} - H04B 7/06968: {using quasi-colocation [QCL] between signals} - H04B 7/088: {using beam selection} - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} - H04L 1/1819: {with retransmission of additional or different redundancy} - H04L 5/0023: {Time-frequency-space} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/0082: {at predetermined intervals} - H04B 7/0691: {using subgroups of transmit antennas} - H04L 1/1893: {Physical mapping arrangements (physical resource mapping in general H04L5/00)} - H04L 5/0012: {Hopping in multicarrier systems} - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - 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) - H04B: TRANSMISSION ## Abstract The present specification provides a method for transmitting and receiving a plurality of PDSCHs in a wireless communication system and a device for same. In particular, the method carried out by a terminal may comprise the steps of: receiving configuration information for configuring a number K of time-unit groups for receiving a plurality of PDSCHs via different quasi co-location (QCL) source signals; receiving PDSCH configuration information including information about a plurality of transmission configuration indication (TCI) states; receiving information about a number K of TCI states, corresponding to the number K of time-unit groups, among the plurality of TCI states; and receiving the plurality of PDSCHs on the basis of the number K of TCI states. ## Claims ### Claim 1 A method performed by a user equipment (UE) in a wireless communication system, the method comprising: receiving configuration information including information related to a number of a plurality of Physical Downlink Shared Channel (PDSCH) transmission occasions; receiving PDSCH configuration information including information for a plurality of transmission configuration indication (TCI) states; receiving downlink control information (DCI), wherein one or more TCI states among the plurality of TCI states are indicated based on the DCI; and based on the one or more TCI states, receiving the plurality of PDSCH transmission occasions in consecutive slots based on the number of the plurality of PDSCH transmission occasions, wherein, based on a number of the one or more TCI states being two, the plurality of PDSCH transmission occasions include i) at least one PDSCH transmission occasion to which a first TCI state is applied and ii) at least one PDSCH transmission occasion to which a second TCI state is applied, and wherein, based on the number of the plurality of PDSCH transmission occasions being larger than two, the second TCI state is applied to two consecutive PDSCH transmission occasions after two consecutive PDSCH transmission occasions to which the first TCI state is applied. ### Claim 2 (depends on 1) The method of claim 1, wherein the one or more TCI states are used to receive the plurality of PDSCH transmission occasion. ### Claim 3 (depends on 1) The method of claim 1, wherein each of the one or more TCI states includes information regarding a quasi co-location (QCL) reference signal and information regarding a QCL type. ### Claim 4 (depends on 3) The method of claim 3, wherein an antenna port of a PDSCH demodulation reference signal related to each of the plurality of PDSCH transmission occasions is assumed to have a QCL relation with an antenna port of a QCL reference signal based on the first TCI state or the second TCI state. ### Claim 5 (depends on 1) The method of claim 1, wherein the plurality of PDSCH transmission occasions are received from a plurality of transmission and reception points (TRPs). ### Claim 6 A user equipment (UE) configured to operate in a wireless communication system, comprising: a transceiver configured to transmit and receive radio signals; and a processor functionally coupled to the transceiver and configured to perform operations comprising: receiving configuration information including information related to a number of a plurality of Physical Downlink Shared Channel (PDSCH) transmission occasions, receiving PDSCH configuration information including information for a plurality of transmission configuration indication (TCI) states, receiving downlink control information (DCI), wherein one or more TCI states among the plurality of TCI states are indicated based on the DCI, and based on the one or more TCI states, receiving the plurality of PDSCH transmission occasions in consecutive slots based on the number of the plurality of PDSCH transmission occasions, wherein, based on a number of the one or more TCI states being two, the plurality of PDSCH transmission occasions include i) at least one PDSCH transmission occasion to which a first TCI state is applied and ii) at least one PDSCH transmission occasion to which a second TCI state is applied, and wherein, based on the number of the plurality of PDSCH transmission occasions being larger than two, the second TCI state is applied to two consecutive PDSCH transmission occasions after two consecutive PDSCH transmission occasions to which the first TCI state is applied. ### Claim 7 A base station (BS) configured to operate in a wireless communication system, comprising: a transceiver configured to transmit and receive radio signals, and a processor functionally coupled to the transceiver and configured to perform operations comprising: transmitting, to a user equipment (UE), configuration information including information related to a number of a plurality of Physical Downlink Shared Channel (PDSCH) transmission occasions, transmitting, to the UE, PDSCH configuration information including information for a plurality of transmission configuration indication (TCI) states, transmitting, to the UE, downlink control information (DCI), wherein one or more TCI states among the plurality of TCI states are indicated based on the DCI, and based on the one or more TCI states, transmitting, to the UE, the plurality of PDSCH transmission occasions in consecutive slots based on the number of the plurality of PDSCH transmission occasions, wherein, based on a number of the one or more TCI states being two, the plurality of PDSCH transmission occasions include i) at least one PDSCH transmission occasion to which a first TCI state is applied and ii) at least one PDSCH transmission occasion to which a second TCI state is applied, and wherein, based on the number of the plurality of PDSCH transmission occasions being larger than two, the second TCI state is applied to two consecutive PDSCH transmission occasions after two consecutive PDSCH transmission occasions to which the first TCI state is applied. ### Claim 8 (depends on 7) The BS of claim 7, wherein the one or more TCI states are used to receive the plurality of PDSCH transmission occasion. ### Claim 9 (depends on 7) The BS of claim 7, wherein each of the one or more TCI states includes information for a quasi co-location/QCL) reference signal and information for a QCL type. ### Claim 10 (depends on 9) The BS of claim 9, wherein an antenna port of a PDSCH demodulation reference signal related to each of the plurality of PDSCH transmission occasions is assumed to have a QCL relation with an antenna port of a QCL reference signal based on the first TCI state or the second TCI state.