# US 11,310,760 B2 · Terminal apparatus, location server, and communication method

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,310,760 B2
- Document ID: US11310760B2
- Status: Granted
- Kind: B2
- Application number: 17/255,735
- Filed: 2019-05-31
- Published: 2021-09-09
- Granted: 2022-04-19
- Earliest claimed: 2018-06-28
- Assignees: Sharp Kabushiki Kaisha; FG Innovation Company Limited
- Applicants: Sharp Kabushiki Kaisha; FG Innovation Company Limited
- Inventors: Ryota Yamada; Hiromichi Tomeba
- Web page: https://patentgrep.com/patent/US11310760B2

## CPC

- H04B 7/0617: {for beam forming}
- H04W 64/003: {locating network equipment}
- G01S 5/06: Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/12 takes precedence)
- G01S 5/10: Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements {, e.g. omega or decca systems}(G01S5/12 takes precedence {; beacons and receivers cooperating therewith G01S1/306, G01S1/308})
- H04B 7/022: Site diversity; Macro-diversity (using two or more spaced independent antennas H04B7/04)
- H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal}
- H04L 27/26025: {Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003)}
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04W 56/005: {compensating for timing error by adjustment in the receiver}
- G01S 5/0027: {of actual mobile position, i.e. position determined on mobile}
- G01S 5/0036: {of measured values, i.e. measurement on mobile and position calculation on base station}
- H04L 5/001: {the frequencies being arranged in component carriers}
- H04L 27/261: {Details of reference signals}
- H04W 64/006: {with additional information processing, e.g. for direction or speed determination}
- H04B: TRANSMISSION
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

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.

## Claims

### Claim 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.

### Claim 2 (depends on 1)

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.

### Claim 3 (depends on 1)

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.

### Claim 4 (depends on 1)

The terminal apparatus according to claim 1, the first PRS resource and the second PRS resource are transmitted based on different radio access technologies.

### Claim 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.

### Claim 6 (depends on 5)

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.

### Claim 7 (depends on 5)

The method according to claim 5, wherein a value of the first subcarrier spacing is different from a value of the second subcarrier spacing.

### Claim 8 (depends on 5)

The method according to claim 5, the first PRS resource and the second PRS resource are transmitted based on different radio access technologies.

### Claim 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.

### Claim 10 (depends on 9)

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.

### Claim 11 (depends on 9)

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.

### Claim 12 (depends on 9)

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.