Granted Patent B2

US 12,531,694 · App. 17/999,385 · Granted Jan 20, 2026

Inventor: Mingju Li (Beijing, CN)

Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

H04L5/0051H04W16/28H04W64/00

Abstract

Claims (67)

1 . A method for transmitting a positioning-purpose reference signal, performed by a user equipment (UE), the method comprising:

receiving configuration parameter information of the positioning-purpose reference signal configured by at least one of a network device where a serving cell is located or a long term evolution (LTE) location management function (LMF), wherein the configuration parameter information of the positioning-purpose reference signal is configured to indicate a configuration parameter of the positioning-purpose reference signal, the configuration parameter information of the positioning-purpose reference signal comprises second signaling and triggering signaling, L antenna ports are configured in the second signaling, the triggering signaling is configured to select N antenna ports from the L antenna ports and to indicate the selected N antenna ports to the UE, wherein L is a positive integer and N is a positive integer greater than 1;

selecting the N antenna ports from the L antenna ports based on the triggering signaling; and

receiving simultaneously, through the N antenna ports, downlink positioning reference signals (PRSs) comprised in the positioning-purpose reference signal transmitted by one or more network devices, or transmitting simultaneously, through the N antenna ports, uplink sounding reference signals (SRSs) comprised in the positioning-purpose reference signal to the one or more network devices.

2 . The method according to claim 1 , wherein the configuration parameter of the positioning-purpose reference signal comprises one or more of the following:

a resource set identifier of the positioning-purpose reference signal;

a resource identifier of the positioning-purpose reference signal;

an antenna port identifier of the positioning-purpose reference signal;

beam direction indication information of the positioning-purpose reference signal;

a first parameter set corresponding to a time domain resource of the positioning-purpose reference signal;

a second parameter set corresponding to a frequency domain resource of the positioning-purpose reference signal;

a sequence identifier of the positioning-purpose reference signal; or

transmit power of the positioning-purpose reference signal.

3 . The method according to claim 2 , wherein the first parameter set comprises one or more of the following parameters:

a cycle of the positioning-purpose reference signal;

a starting time slot of the positioning-purpose reference signal;

a starting symbol of the positioning-purpose reference signal;

a number of symbols occupied by the positioning-purpose reference signal; or

a number of transmission times of the positioning-purpose reference signal in one cycle of the positioning-purpose reference signal and an interval time between two transmission times of the positioning-purpose reference signal.

4 . The method according to claim 2 , wherein the second parameter set comprises one or more of the following parameters:

frequency domain reference point A where the positioning-purpose reference signal is at;

a bandwidth part identifier (BWP⋅ID) of the positioning-purpose reference signal;

a bandwidth of the positioning-purpose reference signal;

a starting resource block location of the positioning-purpose reference signal;

a comb size (Combsize) of the positioning-purpose reference signal; or

resource offset (RE⋅offset) of the positioning-purpose reference signal.

5 . The method according to claim 2 , wherein the N antenna ports correspond to N positioning-purpose reference signals, and the N positioning-purpose reference signals comprise one or more of the following:

resource set identifiers of the N positioning-purpose reference signals are the same;

resource identifiers of the N positioning-purpose reference signals are different;

antenna port identifiers of the N positioning-purpose reference signals are different;

beam directions indicated by beam direction indication information of the N positioning-purpose reference signals are different;

time domain resources corresponding to the first parameter set of the N positioning-purpose reference signals are the same;

frequency domain resources corresponding to the second parameter set of the N positioning-purpose reference signals are the same or different;

sequence identifiers of the N positioning-purpose reference signals are the same or different; or

transmit power of the N positioning-purpose reference signals is the same or different.

6 . The method according to claim 2 , wherein the N antenna ports correspond to one positioning-purpose reference signal, and the one positioning-purpose reference signal comprises one or more of the following:

N antenna port identifiers are configured for the one positioning-purpose reference signal;

N beam directions are configured for the one positioning-purpose reference signal;

M second parameter sets are configured for the one positioning-purpose reference signal, wherein M is a positive integer less than or equal to N;

X sequence identifiers are configured for the one positioning-purpose reference signal, wherein X is a positive integer less than or equal to N; or

Y transmit power is configured for the one positioning-purpose reference signal, wherein Y is a positive integer less than or equal to N.

7 . The method according to claim 2 , wherein the beam direction indication information comprises one or more of the following: a reference signal identifier corresponding to the beam direction, an antenna panel identifier, a transmission and reception point (TRP) identifier, or a cell identifier.

8 . The method according to claim 1 , wherein the configuration parameter information of the positioning-purpose reference signal comprises first signaling, and the N antenna ports are configured in the first signaling; and

the method comprises:

receiving simultaneously, through the N antenna ports configured in the first signaling, the downlink PRS comprised in the positioning-purpose reference signal transmitted by the one or more network devices, or transmitting simultaneously, through the N antenna ports configured in the first signaling, the uplink SRS comprised in the positioning-purpose reference signal to the one or more network devices.

9 . The method according to claim 8 , wherein the first signaling comprises LTE positioning protocol (LPP) signaling and/or radio resource control (RRC) signaling.

10 . The method according to claim 1 , wherein the second signaling comprises LTE positioning protocol (LPP) signaling and/or radio resource control (RRC) signaling.

11 . The method according to claim 1 , wherein the triggering signaling comprises media access control (MAC) signaling and/or downlink control information (DCI) signaling;

the triggering signaling is further configured to indicate a number of transmission times or transmission time of the positioning-purpose reference signal.

12 . A user equipment (UE), comprising:

one or more processors; and

a memory configured to store processor-executable instructions,

wherein the processor-executable instructions, when collectively executed by the one or more processors, cause the UE to:

receive configuration parameter information of the positioning-purpose reference signal configured by at least one of a network device where a serving cell is located or a long term evolution (LTE) location management function (LMF) wherein the configuration parameter information of the positioning-purpose reference signal is configured to indicate a configuration parameter of the positioning-purpose reference signal, the configuration parameter information of the positioning-purpose reference signal comprises second signaling and triggering signaling, L antenna ports are configured in the second signaling, the triggering signaling is configured to select N antenna ports from the L antenna ports and to indicate the selected N antenna ports to the UE, wherein L is a positive integer and N is a positive integer greater than 1;

select the N antenna ports from the L antenna ports based on the triggering signaling; and

receive simultaneously, through the N antenna ports, a downlink positioning reference signal (PRS) comprised in the positioning-purpose reference signal transmitted by one or more network devices, or transmit simultaneously, through the N antenna ports, an uplink sounding reference signal (SRS) comprised in the positioning-purpose reference signal to the one or more network devices.

13 . The UE according to claim 12 , wherein

the configuration parameter information of the positioning-purpose reference signal comprises first signaling, and the N antenna ports are configured in the first signaling; and

the processor-executable instructions, when collectively executed by the one or more processors, further cause the UE to:

receive simultaneously, through the N antenna ports configured in the first signaling, the downlink PRS comprised in the positioning-purpose reference signal transmitted by the one or more network devices, or transmit simultaneously, through the N antenna ports configured in the first signaling, the uplink SRS comprised in the positioning-purpose reference signal to the one or more network devices.

14 . A non-transitory computer-readable storage medium storing a computer program, wherein the computer program, when executed by one or more processors of a user equipment (UE), causes the UE to:

receive configuration parameter information of the positioning-purpose reference signal configured by at least one of a network device where a serving cell is located or a long term evolution (LTE) location management function (LMF), wherein the configuration parameter information of the positioning-purpose reference signal is configured to indicate a configuration parameter of the positioning-purpose reference signal, the configuration parameter information of the positioning-purpose reference signal comprises second signaling and triggering signaling, L antenna ports are configured in the second signaling, the triggering signaling is configured to select N antenna ports from the L antenna ports and to indicate the selected N antenna ports to the UE, wherein L is a positive integer and N is a positive integer greater than 1;

select the N antenna ports from the L antenna ports based on the triggering signaling; and

receive simultaneously, through the N antenna ports, a downlink positioning reference signal (PRS) comprised in the positioning-purpose reference signal transmitted by one or more network devices, or transmit simultaneously, through the N antenna ports, an uplink sounding reference signal (SRS) comprised in the positioning-purpose reference signal to the one or more network devices.

15 . The non-transitory computer-readable storage medium according to claim 14 , wherein the configuration parameter information of the positioning-purpose reference signal comprises first signaling, and the N antenna ports are configured in the first signaling; and

the computer program, when executed by the one or more processors, further causes the UE to:

receive simultaneously, through the N antenna ports configured in the first signaling, the downlink PRS comprised in the positioning-purpose reference signal transmitted by the one or more network devices, or transmit simultaneously, through the N antenna ports configured in the first signaling, the uplink SRS comprised in the positioning-purpose reference signal to the one or more network devices.

Assignments (1)

Continuity (1)

References Cited (36)