Terminal apparatus, location server, and communication method
View Patent ↗A terminal apparatus, a location server, and methods for performing positioning measurement are provided. A terminal apparatus includes: a receiver configured to receive a PRS configuration from a location server; receive a first PRS resource from a serving cell and a second PRS resource from a neighboring cell based on the PRS resource configuration; and a position measuring unit configured to determine a RSTD based the reception timing(s) of the first PRS resource and/or second PRS resource; wherein the first PRS resource and the second PRS resource are configured with a first subcarrier spacing and a second subcarrier spacing respectively; the first PRS resource and the second PRS resource are configured with their corresponding QCL information for determining their corresponding spatial receiving filter for receiving the first PRS resource and the second PRS resource by the terminal apparatus respectively; the first QCL information is different from the second QCL information.
1. A terminal apparatus configured to perform positioning measurement, comprising:
a receiver configured to:
receive a positioning reference signal (PRS) resource configuration from a location server;
receive a first resource from a serving cell based on the PRS resource configuration; and
receive a second PRS resource from a neighboring cell based on the PRS resource configuration; and
a position measuring unit configured to:
determine a reference signal time difference (RSTD) at least based on one of a reception timing of the first PRS resource and a reception timing of the second PRS resource;
wherein the first PRS resource is configured with a first subcarrier spacing and the second PRS resource is configured with a second subcarrier spacing;
the first PRS resource is configured with a first Quasi co-located (QCL) information for determining a first spatial receiving filter for receiving the first PRS resource by the terminal apparatus;
the second PRS resource is configured with a second QCL information for determining a second spatial receiving filter for receiving the second PRS resource by the terminal apparatus;
the first QCL information being different from the second QCL information.
2. The terminal apparatus according to claim 1 , wherein the first PRS resource and the second PRS resource are repeated for a plurality of time with respective QCL information unchanged.
3. The terminal apparatus according to claim 1 , wherein a value of the first subcarrier spacing is different from a value of the second subcarrier spacing.
4. The terminal apparatus according to claim 1 , the first PRS resource and the second PRS resource are transmitted based on different radio access technologies.
5. A positioning measurement method performed by a terminal apparatus, comprising:
receiving, from a location server, a positioning reference signal (PRS) resource configuration;
receiving, from a serving cell based on the PRS resource configuration, a first PRS resource; and
receiving, from a neighboring cell based on the PRS resource configuration, a second PRS resource; and
determining,
a reference signal time difference (RSTD) at least based on one of a reception timing of the first PRS resource and a reception timing of the second PRS resource;
wherein the first PRS resource is configured with a first subcarrier spacing and the second PRS resource is configured with a second subcarrier spacing;
the first PRS resource is configured with a first Quasi co-located (QCL) information for determining a first spatial receiving filter for receiving the first PRS resource by the terminal apparatus;
the second PRS resource is configured with a second QCL information for determining a second spatial receiving filter for receiving the second PRS resource by the terminal apparatus;
the first QCL information being different from the second QCL information.
6. The method according to claim 5 , wherein the first PRS resource and the second PRS resource are repeated for a plurality of time with respective QCL information unchanged.
7. The method according to claim 5 , wherein a value of the first subcarrier spacing is different from a value of the second subcarrier spacing.
8. The method according to claim 5 , the first PRS resource and the second PRS resource are transmitted based on different radio access technologies.
9. A method for positioning a terminal apparatus performed by a location server, comprising:
receiving, from a base station, a first positioning reference signal (PRS) configuration for a first base station transmit point and a second PRS configuration for a second base station transmit point; and
transmitting, to the terminal apparatus, a third PRS configuration, wherein, the third PRS configuration includes:
a first PRS resource determined from the first PRS configuration, the first PRS resource is configured with a first subcarrier spacing and a first Quasi co-located (QCL) information; and
a second PRS resource determined from the second PRS configuration, the second PRS resource is configured with a second subcarrier spacing and a second QCL information.
10. The location server according to claim 9 , wherein the first PRS resource and the second PRS resource are repeated for a plurality of time with respective QCL information unchanged.
11. The location server according to claim 9 , wherein a value of the first subcarrier spacing is different from a value of the second subcarrier spacing.
12. The location server according to claim 9 , wherein the first PRS resource and the second PRS resource are transmitted based on different radio access technologies.