# US 12,113,735 B2 · Method for transmitting data on physical shared channel 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 12,113,735 B2 - Document ID: US12113735B2 - Status: Granted - Kind: B2 - Application number: 17/282,466 - Filed: 2019-11-04 - Published: 2021-12-09 - Granted: 2024-10-08 - Earliest claimed: 2018-11-02 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Duckhyun Bae; Huayue Song; Yunjung Yi; Hyunho Lee - Web page: https://patentgrep.com/patent/US12113735B2 ## CPC - 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 5/0094: {Indication of how sub-channels of the path are allocated} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04W 52/34: TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/1268: of uplink data flows - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - 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 A user equipment (UE), configured to transmit data on a physical shared channel, transmits the data using the allocated first physical shared channel to the base station, the data may be transmitted repeatedly as much as the number of the first physical shared channel on a physical shared channel group including a predetermined number of the first physical shared channels, a first dedicated demodulation-Reference Signal (DMRS) for the data may be mapped to a symbol constructing the physical shared channel group according to the mapping information and transmitted to the base station, and the mapping information may be information for mapping a second DMRS for a second physical shared channel including symbols of a same number as a symbol number constructing the physical shared channel group. ## Claims ### Claim 1 A method for transmitting data on a physical shared channel in a wireless communication system, the method performed by a user equipment and comprising: receiving, from a base station, configuration information including mapping information; receiving, from the base station, resource allocation information related to a first physical shared channel allocated to transmit the data; and transmitting, to the base station, the data using the allocated first physical shared channel, wherein the data is transmitted repeatedly as much as a number of the first physical shared channel on a physical shared channel group including a predetermined number of the first physical shared channels, wherein a first dedicated demodulation-Reference Signal (DMRS) for the data is mapped to a symbol constructing the physical shared channel group according to the mapping information and transmitted to the base station, wherein the mapping information is information regarding mapping a second DMRS for a second physical shared channel including symbols of a same number as a symbol number constructing the physical shared channel group, and wherein the second DMRS is transmitted only for the second physical shared channel related to a configured redundancy version (RV), and the second physical shared channel not related to the configured RV shares the first DMRS with the first physical shared channel. ### Claim 2 (depends on 1) The method of claim 1, wherein the data is transmitted on a slot. ### Claim 3 (depends on 1) The method of claim 1, wherein the first physical shared channel includes one or more consecutive symbols. ### Claim 4 (depends on 1) The method of claim 1, wherein the first DMRS is mapped only to a symbol constructing a specific physical shared channel among the first physical shared channels which are transmitted repeatedly in the physical shared channel group. ### Claim 5 (depends on 1) The method of claim 1, based on the physical shared channel group including two first physical shared channels, and the mapping information is applicable only to the physical shared channel transmitted first among the first physical shared channels which are transmitted repeatedly in the physical shared channel group, wherein the first DMRS is mapped to a symbol constructing a symbol constructing the physical shared channel transmitted first, and wherein a position of the symbol to which the first DMRS is mapped and the corresponding position are mapped to a DMRS in the physical shared channel transmitted second among the first physical shared channels which are transmitted repeatedly in the physical shared channel group. ### Claim 6 (depends on 1) The method of claim 1, wherein the mapping information includes information for a position of a specific symbol to which the first DMRS is mapped. ### Claim 7 (depends on 1) The method of claim 1, wherein, based on the physical shared channel group being configured on a plurality of slots, the mapping information includes information for a position of a specific slot to which the first DMRS is mapped. ### Claim 8 A user equipment (UE) configured to transmit data on a physical shared channel in a wireless communication system, the UE comprising: a transceiver configured to transmit and receive a radio signal; and a processor functionally connected to the transceiver, wherein the processor is configured to perform operations comprising: receiving, from a base station, configuration information including mapping information; receiving, from the base station, resource allocation information related to a first physical shared channel allocated to transmit the data; and transmitting, to the base station, the data using the allocated first physical shared channel, wherein the data is transmitted repeatedly as much as a number of the first physical shared channel on a physical shared channel group including a predetermined number of the first physical shared channels, wherein a first dedicated demodulation-Reference Signal (DMRS) for the data is mapped to a symbol constructing the physical shared channel group according to the mapping information and transmitted to the base station, wherein the mapping information is information for mapping a second DMRS for a second physical shared channel including symbols of a same number as a symbol number constructing the physical shared channel group, and wherein the second DMRS is transmitted only for the second physical shared channel related to a configured redundancy version (RV), and the second physical shared channel not related to the configured RV shares the first DMRS with the first physical shared channel. ### Claim 9 (depends on 8) The UE of claim 8, wherein the data is transmitted on a slot. ### Claim 10 (depends on 8) The UE of claim 8, wherein the first physical shared channel includes one or more consecutive symbols. ### Claim 11 (depends on 8) The UE of claim 8, wherein the first DMRS is mapped only to a symbol constructing a specific physical shared channel among the first physical shared channels which are transmitted repeatedly in the physical shared channel group. ### Claim 12 (depends on 8) The UE of claim 8, based on the physical shared channel group including two first physical shared channels, and the mapping information is applicable only to the physical shared channel transmitted first among the first physical shared channels which are transmitted repeatedly in the physical shared channel group, wherein the first DMRS is mapped to a symbol constructing a symbol constructing the physical shared channel transmitted first, and wherein a position of the symbol to which the first DMRS is mapped and the corresponding position are mapped to a DMRS in the physical shared channel transmitted second among the first physical shared channels which are transmitted repeatedly in the physical shared channel group. ### Claim 13 (depends on 8) The UE of claim 8, wherein the mapping information includes information for a position of a specific symbol to which the first DMRS is mapped. ### Claim 14 (depends on 8) The UE of claim 8, wherein, based on the physical shared channel group being configured on a plurality of slots, the mapping information includes information for a position of a specific slot to which the first DMRS is mapped. ### Claim 15 A method for receiving data on a physical shared channel in a wireless communication system, the method performed by a base station and comprising: transmitting, to a user equipment (UE), configuration information including mapping information; transmitting, to the UE, resource allocation information related to a first physical shared channel allocated to transmit the data; and receiving, from the UE, the data transmitted using the allocated first physical shared channel, wherein the data is transmitted repeatedly as much as a number of the first physical shared channel on a physical shared channel group including a predetermined number of the first physical shared channels, wherein a first dedicated demodulation-Reference Signal (DMRS) for the data is mapped to a symbol constructing the physical shared channel group according to the mapping information and transmitted to the base station, wherein the mapping information is information for mapping a second DMRS for a second physical shared channel including symbols of a same number as a symbol number constructing the physical shared channel group, and wherein the second DMRS is transmitted only for the second physical shared channel related to a configured redundancy version (RV), and the second physical shared channel not related to the configured RV shares the first DMRS with the first physical shared channel.