Method for transmitting/receiving signal in wireless communication system and device supporting same
Various embodiments of the present disclosure relate to a next-generation wireless communication system for supporting a higher data transmission rate beyond a 4th generation (4G) wireless communication system. According to various embodiments of the present disclosure, a method for transmitting/receiving a signal in a wireless communication system and a device supporting same may be provided.
1. A method performed by a user equipment (UE) in a wireless communication system, the method comprising:
receiving a first downlink (DL) reference signal (RS) and a second DL RS;
obtaining a first measurement related to positioning based on the first DL RS, wherein the first measurement is for relative time difference between transmission points based on the first DL RS;
reporting information on the first measurement;
obtaining a second measurement related to the positioning based on the second DL RS, wherein the second measurement is for relative time difference between transmission points based on the second DL RS; and
reporting information on a difference between the second measurement and the first measurement,
wherein the difference is greater than or equal to 0.
2. The method of claim 1 , wherein the first DL RS and the second DL RS are received based on one or more RS resources with same quasi co-location (QCL) type D among different RS resources.
3. The method of claim 1 , further comprising reporting information on a time stamp, wherein the information on the time stamp is related to the first measurement and the second measurement.
4. The method of claim 3 , wherein the information on the time stamp includes information on a difference between a time at which the first measurement is obtained and a time at which the second measurement is obtained.
5. The method of claim 1 , wherein the first DL RS is a synchronization signal block (SSB), a channel state information reference signal (CSI-RS), or a positioning reference signal (PRS), and wherein the second DL RS is a PRS.
6. The method of claim 1 , wherein reporting the information on the difference comprises reporting information on the difference based on reception of information configured to report the difference between the second measurement and the first measurement.
7. The method of claim 1 , further comprising receiving information on resolution for reporting measurements related to the positioning.
8. The method of claim 7 , wherein the information on the difference is reported based on the resolution.
9. An apparatus configured to operate in a wireless communication system, the apparatus comprising:
a memory; and
one or more processors connected to the memory,
wherein the one or more processors are configured to:
receive a first downlink (DL) reference signal (RS) and a second DL RS;
obtain a first measurement related to positioning based on the first DL RS, wherein the first measurement is for relative time difference between transmission points based on the first DL RS;
report information on the first measurement;
obtain a second measurement related to the positioning based on the second DL RS, wherein the second measurement is for relative time difference between transmission points based on the second DL RS; and
report information on a difference between the second measurement and the first measurement, and
wherein the difference is greater than or equal to 0.
10. The apparatus of claim 9 , wherein the apparatus communicates with at least one of a mobile terminal, a network, or an autonomous driving vehicle other than a vehicle including the apparatus.
11. A method performed by a network node in a wireless communication system, the method comprising:
transmitting a signal related to a first downlink (DL) reference signal (RS) and a signal related to a second DL RS;
receiving information on a first measurement related to positioning corresponding to based on the first DL RS, wherein the first measurement is for relative time difference between transmission points based on the first DL RS; and
receiving information on a difference between the first measurement and a second measurement related to the positioning based on the second DL RS, wherein the second measurement is for relative time difference between transmission points based on the second DL RS,
wherein the difference is greater than or equal to 0.
12. An apparatus configured to operate in a wireless communication system, the apparatus comprising:
a memory; and
one or more processors connected to the memory,
wherein the one or more processors are configured to:
transmit a signal related to a first downlink (DL) reference signal (RS) and a signal related to a second DL RS;
receive information on a first measurement related to positioning corresponding to based on the first DL RS, wherein the first measurement is for relative time difference between transmission points based on the first DL RS; and
receive information on a difference between the first measurement and a second measurement related to the positioning based on the second DL RS, wherein the second measurement is for relative time difference between transmission points based on the second DL RS,
wherein the difference is greater than or equal to 0.