Method and device for transmitting and receiving signal in wireless communication system
A method and an apparatus for transmitting/receiving a signal in a wireless communication system are disclosed. A method for receiving a downlink signal according to one embodiment of the present disclosure, may comprise steps of: receiving transmission configuration indicator (TCI) state information of a downlink signal from a base station, the TCI state information including quasi co-location (QCL) information for configuring QCL relation between the downlink signal and a reference signal; and receiving the downlink signal based on the TCI state information from the base station. The reference signal for the downlink signal may be configured based on a non-serving cell other than a serving cell of the terminal, a signal of a non-serving cell, measurement object information for radio resource management (RRM) measurement configured by the QCL information.
1 . A method comprising:
receiving configuration information for spatial information for a downlink signal; and
receiving the downlink signal in a serving cell based on the spatial information,
wherein the configuration information includes information for a resource of a reference signal for the spatial information, and
wherein the reference signal includes a specific signal of a non-serving cell.
2 . The method of claim 1 ,
wherein the reference signal is configured based on at least one of information for a measurement object, configuration information related to the serving cell, or information for the specific signal of the non-serving cell.
3 . The method of claim 2 ,
wherein the serving cell is specified by the spatial information, and
wherein the information for the measurement object is associated with the serving cell.
4 . The method of claim 3 ,
wherein a time and frequency resource of the specific signal of the non-serving cell is assumed that it is identical to a signal of the serving cell.
5 . The method of claim 2 ,
wherein the non-serving cell is configured in a list of a plurality of cells included in the information for the measurement object.
6 . The method of claim 5 ,
wherein the specific signal of the non-serving cell is configured to a signal related to the non-serving cell among a plurality of signals associated with the plurality of cells.
7 . The method of claim 1 , further comprising:
receiving configuration information on energy per resource element (EPRE) for the specific signal of the non-serving cell.
8 . The method of claim 7 ,
wherein a power for the downlink signal is determined based on the EPRE for the specific signal of the non-serving cell.
9 . The method of claim 7 ,
wherein the EPRE for the specific signal of the non-serving cell is configured with an offset value for EPRE for a signal of the serving cell.
10 . The method of claim 1 ,
wherein a resource of the serving cell is punctured or rate matched for a time and frequency resource region in which the specific signal of the non-serving cell is transmitted.
11 . The method of claim 1 ,
wherein the specific signal of the non-serving cell is synchronization signal/physical broadcast channel block (SSB) or mobility channel state information-reference signal (CSI-RS).
12 . The method of claim 11 ,
wherein, based on the specific signal of the non-serving cell being the mobility CSI-RS, it is assumed that a frequency domain density of the mobility CSI-RS is 3 or more.
13 . The method of claim 11 ,
wherein, based on the specific signal of the non-serving cell being the mobility CSI-RS and a location of a resource element in which the mobility CSI-RS is transmitted, it is assumed that the mobility CSI-RS is repeated in units of a specific number of resource elements within a same resource block.
14 . The method of claim 11 ,
wherein, based on the specific signal of the non-serving cell being the mobility CSI-RS and a location of a symbol in which the mobility CSI-RS is transmitted, it is assumed that the mobility CSI-RS is repeated in units of a specific number of symbols within a same slot.
15 . The method of claim 11 ,
wherein, based on the specific signal of the non-serving cell being the mobility CSI-RS and a location of a symbol in which the mobility CSI-RS is transmitted, it is assumed that the mobility CSI-RS is repeated on a same location of a symbol within consecutive slots.
16 . The method of claim 1 ,
wherein the downlink signal includes at least one of a channel state information-reference signal (CSI-RS), a physical downlink control channel (PDCCH), and/or a physical downlink shared channel (PDSCH).
17 . An apparatus comprising:
at least one transceiver for transmitting and receiving a wireless signal; and
at least one processor for controlling the at least one transceiver,
wherein the at least one processor configured to:
receive configuration information for spatial information for a downlink signal; and
receive the downlink signal based on the spatial information,
wherein the configuration information includes information for a resource of a reference signal for the spatial information, and
wherein the reference signal includes a specific signal of a non-serving cell.
18 . An apparatus comprising:
at least one transceiver for transmitting and receiving a wireless signal; and
at least one processor for controlling the at least one transceiver,
wherein the at least one processor configured to:
transmit configuration information for spatial information for a downlink signal; and
transmit the downlink signal based on the spatial information,
wherein the configuration information includes information for a resource of a reference signal for the spatial information, and
wherein the reference signal includes a specific signal of a non-serving cell.