Granted Patent B2

US 12,262,279 · App. 17/633,947 · Granted Mar 25, 2025

Inventors: Hui Li (Beijing, CN); Ren Da (Beijing, CN); Bin Ren (Beijing, CN); Deshan Miao (Beijing, CN); Xueyuan Gao (Beijing, CN); Gang Li (Beijing, CN)

Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

H04W4/026H04B17/318

Abstract

Claims (54)

1. A measurement reporting method, comprising:

measuring, by a terminal, positioning reference signals sent by a plurality of network side sending devices, and determining, according to a measurement result of the positioning reference signals sent by each network side sending device, angle of departure indication information of the each network side sending device; and

sending, by the terminal, the angle of departure indication information of the plurality of network side sending devices to a network side positioning device;

wherein prior to the measuring by the terminal the positioning reference signals sent by the plurality of network side sending devices, the method further comprises:

receiving measurement configuration information sent by the network side positioning devices, wherein the measurement configuration information comprises configuration information of the positioning reference signals and configuration information of reported measurement, and the measurement comprises the angle of departure indication information;

wherein the angle of departure indication information comprises at least one of:

an angle of departure index corresponding to an angle of departure;

a value of the angle of departure;

wherein in a case that the angle of departure indication information is the value of the angle of departure, the determining the angle of departure indication information of the each network side sending device comprises:

selecting the network side sending devices meeting preset conditions, according to RSRP of positioning reference signals sent by the plurality of network side sending devices; and

for each of the selected network side sending devices, performing a curve fitting by using the indexes and RSRPs of the positioning reference signals sent by the each of the selected network side sending devices, and determining the angle of departure index corresponding to the angle of departure of the each of the selected network side sending devices, and determining angle information corresponding to the angle of departure index according to pre-obtained angle information of a beam direction corresponding to each positioning reference signal sent by the each of the selected network side sending devices, to obtain a value of the angle of departure of the each of the selected network side sending devices.

2. The method according to claim 1 , wherein

the angle of departure index is represented by an index value of the angle of departure index, or

the angle of departure index is represented by a reference index of one of the positioning reference signals sent by each network side sending device.

3. The method according to claim 2 , wherein in a case that the angle of departure index is represented by the reference index, the determining the angle of departure indication information of the each network side sending device comprises:

selecting the network side sending devices meeting preset conditions, according to a Reference Signal Received Power (RSRP) of positioning reference signals sent by the plurality of network side sending devices; and

for each of the selected network side sending devices, performing a curve fitting by using the an index and RSRP of the positioning reference signals sent by the each of the selected network side sending devices, and determining the reference index and an index offset corresponding to the angle of departure of the each of the selected network side sending devices, according to a position point of a maximum RSRP on a curve obtained by the curve fitting.

4. The method according to claim 3 , further comprising:

sending the RSRP corresponding to the angle of departure indication information of the each of the selected network side sending devices to a network side positioning device, wherein the RSRP corresponding to the angle of departure indication information of the each of the selected network side sending devices is a maximum RSRP on a curve obtained by the curve fitting.

5. The method according to claim 1 , wherein prior to the determining the angle of departure indication information of the each network side sending device comprises:

receiving the angle information of the beam direction corresponding to each positioning reference signal sent by the each of the selected network side sending devices.

6. A measurement receiving method, comprising:

receiving, by a network side positioning device, angle of departure indication information of a plurality of network side sending devices which is measured and reported by a terminal; and

determining, by the network side positioning device, position information of the terminal, according to the angle of departure indication information of the plurality of network side sending devices;

wherein prior to the receiving by the network side positioning device the angle of departure indication information of the plurality of network side sending devices which is measured and reported by the terminal, the method further comprises:

sending measurement configuration information to the terminal, wherein the measurement configuration information comprises configuration information of the positioning reference signals and configuration information of reported measurement, and the measurement comprises the angle of departure indication information;

wherein the angle of departure indication information comprises at least one of:

an angle of departure index corresponding to an angle of departure;

a value of the angle of departure;

wherein the angle of departure index is represented by an index value of the angle of departure index, or

the angle of departure index is represented by a reference index of one of the positioning reference signals sent by each network side sending device;

wherein in a case that the angle of departure indication information is the angle of departure index corresponding to the angle of departure, the determining by the network side positioning device the position information of the terminal comprises:

based on the angle of departure index corresponding to the angle of departure of each network side sending device and angle information of a beam direction corresponding to each positioning reference signal sent by the each network side sending device, determining angle information corresponding to the angle of departure index of the each network side sending device, to obtain a value of the angle of departure of the each network side sending device; and

determining the position information of the terminal, by using an angle positioning algorithm and according to the values of the angle of departure of the plurality of network side sending devices.

7. The method according to claim 6 , wherein in a case that the angle of departure indication information is the value of the angle of departure, the determining the position information of the terminal comprises:

determining the position information of the terminal, by using an angle positioning algorithm and according to the values of the angle of departure of the plurality of network side sending devices.

8. The method according to claim 6 , further comprising:

receiving a reference signal received power (RSRP) corresponding to angle of departure indication information of the plurality of network side sending devices sent by the terminal.

9. The method according to claim 6 , wherein in a case that the network side positioning device is a positioning server at a network side, the method further comprises:

receiving, by the network side positioning device, angle information of a beam direction corresponding to the positioning reference signal reported by the network side sending device.

10. The method according to claim 6 , wherein prior to the receiving by the network side positioning device the angle of departure indication information of the plurality of network side sending devices which is measured and reported by the terminal, the method further comprises:

indicating by the network side positioning device, to the terminal, angle information of a beam direction corresponding to the positioning reference signal.

11. A network-side positioning apparatus, comprising: a memory, a processor, a transceiver, and a program stored in the memory and executable on the processor, wherein the processor is configured to execute the program to perform the measurement receiving method according to claim 6 .

12. A terminal, comprising: a memory, a processor, a transceiver, and a program stored in the memory and executable on the processor, wherein the processor is configured to execute the program to perform:

measuring positioning reference signals sent by a plurality of network side sending devices, and determining, according to a measurement result of the positioning reference signals sent by each network side sending device, angle of departure indication information of the each network side sending device;

the transceiver is configured to send the angle of departure indication information of the plurality of network side sending devices to a network side positioning device;

wherein prior to the measuring by the terminal the positioning reference signals sent by the plurality of network side sending devices, the transceiver is configured to:

receive measurement configuration information sent by the network side positioning devices, wherein the measurement configuration information comprises configuration information of the positioning reference signals and configuration information of reported measurement, and the measurement comprises the angle of departure indication information;

wherein the angle of departure indication information comprises at least one of:

an angle of departure index corresponding to an angle of departure;

a value of the angle of departure;

wherein in a case that the angle of departure indication information is the value of the angle of departure, the processor is configured to execute the program to perform:

selecting the network side sending devices meeting preset conditions, according to RSRP of positioning reference signals sent by the plurality of network side sending devices; and

for each of the selected network side sending devices, performing a curve fitting by using the indexes and RSRPs of the positioning reference signals sent by the each of the selected network side sending devices, and determining the angle of departure index corresponding to the angle of departure of the each of the selected network side sending devices, and determining angle information corresponding to the angle of departure index according to pre-obtained angle information of a beam direction corresponding to each positioning reference signal sent by the each of the selected network side sending devices, to obtain a value of the angle of departure of the each of the selected network side sending devices.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (25)