# US 2019/0319692 A1 · Method and apparatus for transmitting and receiving signal in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0319692 A1 - Document ID: US20190319692A1 - Status: Published application - Kind: A1 - Application number: 16/383,943 - Filed: 2019-04-15 - Published: 2019-10-17 - Earliest claimed: 2018-04-13 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Hoondong NOH; Youngwoo KWAK; Younsun KIM; Taehyoung KIM; Cheolkyu SHIN - Web page: https://patentgrep.com/patent/US20190319692A1 ## CPC - H04B 7/0697: {using spatial multiplexing} - H04B 7/0456: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting - 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 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 25/03891: {Spatial equalizers (MIMO diversity systems H04B7/0413)} - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method of transmitting and receiving a signal, by a base station (BS), in a wireless communication system is provided. The method includes determining whether each of at least one terminal connected to the BS supports nonlinear precoding (NLP) or a modulo operation, determining a plurality of signals that are overlapping-transmitted in a time-frequency resource region from among a control signal, a reference signal (RS), and a data signal transmitted from the BS, based on whether the at least one terminal supports the NLP or the modulo operation, and transmitting, to each of the at least one terminal, information about whether the NLP or the modulo operation is performed in a resource where the plurality of signals are transmitted. ## Claims ### Claim 1 A method of transmitting and receiving a signal, by a base station (BS), in a wireless communication system, the method comprising: determining whether each of at least one terminal connected to the BS supports nonlinear precoding (NLP) or a modulo operation; determining a plurality of signals that are overlapping-transmitted in a time-frequency resource region from among a control signal, a reference signal (RS), and a data signal transmitted from the BS, based on whether the at least one terminal supports the NLP or the modulo operation; and transmitting, to each of the at least one terminal, information about whether the NLP or the modulo operation is performed in a resource where the plurality of signals are transmitted. ### Claim 2 (depends on 1) The method of claim 1, wherein the determining of the plurality of signals that are overlapping-transmitted comprises: determining the plurality of signals that are overlapping-transmitted from among the control signal, the RS, and the data signal, of a terminal supporting NLP from among the at least one terminal. ### Claim 3 (depends on 1) The method of claim 1, wherein the determining of the plurality of signals that are overlapping-transmitted comprises: determining a rate matching type of a terminal supporting NLP among the at least one terminal; and determining signals that are overlapping-transmitted with the data signal among the control signal and the RS, in response to the rate matching type supporting NLP. ### Claim 4 (depends on 3) The method of claim 3, wherein the determining of the plurality of signals that are overlapping-transmitted comprises: in response to a slot, in which a use of the rate matching type is indicated, being ahead of a slot, in which the RS and the data signal are overlapping-transmitted, determining the signal that are overlapping-transmitted with the data signal among the control signal and the RS. ### Claim 5 (depends on 1) The method of claim 1, wherein the determining of the plurality of signals that are overlapping-transmitted comprises: determining a RS multiplexing type of a terminal supporting the NLP among the at least one terminal; and determining signals that are overlapping-transmitted with the data signal among the control signal and the RS, in response to the RS multiplexing type supporting NLP. ### Claim 6 (depends on 3) The method of claim 3, wherein the determining of the plurality of signals that are overlapping-transmitted comprises: in response to a slot, in which a use of the RS multiplexing type is indicated, being ahead of a slot, in which the RS and the data signal are overlapping-transmitted, determining the signal that are overlapping-transmitted with the data signal among the control signal and the RS. ### Claim 7 (depends on 1) The method of claim 1, wherein the transmitting of the information comprises: determining whether to perform the non-linear precoding through an upper layer signaling; and transmitting information of a resource, in which the NLP is performed, through a L1 signaling. ### Claim 8 A method of transmitting and receiving a signal, by a terminal, in a wireless communication system, the method comprising: transmitting, to a base station (BS), performance information regarding whether nonlinear precoding (NLP) or a modulo operation is supported; receiving, from the BS, information regarding whether the NLP or the modulo operation is performed in a predetermined resource in a time-frequency resource region determined based on the performance information; and obtaining one of a control signal, a reference signal (RS), or a data signal transmitted to the terminal by performing the modulo operation on a signal received from the BS according to the received information about whether the NLP or the modulo operation is performed. ### Claim 9 (depends on 8) The method of claim 8, wherein the information regarding whether the NLP or the modulo operation is performed comprises location information regarding a resource in which the non-linear precoding is performed. ### Claim 10 (depends on 8) The method of claim 8, wherein the performance information comprises information regarding whether the terminal to support a spatial multiplexing, and wherein the obtaining comprises obtaining the control signal and the data signal by performing the modulo operation in response to the terminal supporting the spatial multiplexing. ### Claim 11 A base station (BS) of transmitting and receiving a signal in a wireless communication system, the BS comprising: a transceiver; and a processor coupled with the transceiver and configured to: determine whether each of at least one terminal connected to the BS supports nonlinear precoding (NLP) or a modulo operation, determine a plurality of signals that are overlapping-transmitted in a time-frequency resource region from among a control signal, a reference signal (RS), and a data signal transmitted from the BS, based on whether the at least one terminal supports the NLP or the modulo operation, and control the transceiver to transmit, to each of the at least one terminal, information about whether the NLP or the modulo operation is performed in a resource where the plurality of signals are transmitted. ### Claim 12 (depends on 11) The BS of claim 11, wherein the processor is further configured to: determine the plurality of signals that are overlapping-transmitted from among the control signal, the RS, and the data signal, of a terminal supporting NLP from among the at least one terminal. ### Claim 13 (depends on 11) The BS of claim 11, wherein the processor is further configured to: determine a rate matching type of a terminal supporting NLP among the at least one terminal, and determine signals that are overlapping-transmitted with the data signal among the control signal and the RS, in response to the rate matching type supporting NLP. ### Claim 14 (depends on 13) The BS of claim 13, wherein the processor is further configured to: in response to a slot, in which a use of the rate matching type is indicated, being ahead of a slot, in which the RS and the data signal are overlapping-transmitted, determine the signal that are overlapping-transmitted with the data signal among the control signal and the RS. ### Claim 15 (depends on 11) The BS of claim 11, wherein the processor is further configured to: determine a RS multiplexing type of a terminal supporting the NLP among the at least one terminal, and determine signals that are overlapping-transmitted with the data signal among the control signal and the RS, in response to the RS multiplexing type supporting NLP. ### Claim 16 (depends on 13) The BS of claim 13, wherein the processor is further configured to: in response to a slot, in which a use of the RS multiplexing type is indicated, being ahead of a slot, in which the RS and the data signal are overlapping-transmitted, determine the signal that are overlapping-transmitted with the data signal among the control signal and the RS. ### Claim 17 (depends on 11) The BS of claim 11, wherein the processor is further configured to: determine whether to perform the non-linear precoding through an upper layer signaling, and control the transceiver to transmit information of a resource, in which the NLP is performed, through a L1 signaling. ### Claim 18 A terminal of transmitting and receiving a signal in a wireless communication system, the terminal comprising: a transceiver; and a processor coupled with the transceiver and configured to: control the transceiver to transmit, to a base station (BS), performance information regarding whether nonlinear precoding (NLP) or a modulo operation is supported, control the transceiver to receive, from the BS, information regarding whether the NLP or the modulo operation is performed in a predetermined resource in a time-frequency resource region determined based on the performance information, and obtain one of a control signal, a reference signal (RS), or a data signal transmitted to the terminal by performing the modulo operation on a signal received from the BS according to the received information about whether the NLP or the modulo operation is performed. ### Claim 19 (depends on 18) The terminal of claim 18, wherein the information regarding whether the NLP or the modulo operation is performed comprises location information regarding a resource in which the non-linear precoding is performed. ### Claim 20 (depends on 18) The terminal of claim 18, wherein the performance information comprises information regarding whether the terminal to support a spatial multiplexing, and wherein the obtaining comprises obtaining the control signal and the data signal by performing the modulo operation in response to the terminal supporting the spatial multiplexing.