CN113518439B

CN113518439B - Information transmission method, device, equipment and computer readable storage medium

Info

Publication number: CN113518439B
Application number: CN202010280276.5A
Authority: CN
Inventors: 任晓涛; 任斌; 达人; 李辉; 李刚; 赵铮; 张振宇; 方荣一
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2023-11-28
Anticipated expiration: 2040-04-10
Also published as: TW202139735A; CN113518439A; WO2021203892A1; TWI801825B

Abstract

The invention discloses an information transmission method, an information transmission device, an information transmission equipment and a computer readable storage medium, which relate to the technical field of communication and are used for solving the problem of high expenditure of positioning time delay and positioning reference signals. The method comprises the following steps: acquiring first information; transmitting the first information to a terminal; wherein the first information includes at least one of the following information: aperiodic trigger information of a first DL-PRS of the first cell, and aperiodic trigger information of a second DL-PRS of the second cell; the first cell includes a serving cell of the terminal, and the second cell includes a non-serving cell or a neighbor cell of the terminal. The embodiment of the invention can reduce the positioning time delay and the positioning reference signal overhead.

Description

Information transmission method, device, equipment and computer readable storage medium

Technical Field

The present invention relates to the field of communications technologies, and in particular, to an information transmission method, apparatus, device, and computer readable storage medium.

Background

In downlink positioning, the DL-PRS (Downlink Positioning Reference Signal ) signal is an important positioning reference signal. The DL-PRS signals may be configured to occupy different bandwidth and time domain resources and may also be transmitted using different beam directions.

However, DL-PRS signals are a type of cell-specific reference signal, and the positioning reference signal transmission method in the prior art makes the positioning delay and the positioning reference signal overhead larger.

Disclosure of Invention

The embodiment of the invention provides an information transmission method, an information transmission device and a computer readable storage medium, which are used for solving the problem of high cost of positioning time delay and positioning reference signals.

In a first aspect, an embodiment of the present invention provides an information transmission method, which is applied to a first cell, including:

acquiring first information;

transmitting the first information to a terminal;

wherein the first information includes at least one of the following information:

aperiodic trigger information of a first DL-PRS of the first cell, and aperiodic trigger information of a second DL-PRS of the second cell;

the first cell includes a serving cell of the terminal, and the second cell includes a non-serving cell or a neighbor cell of the terminal.

Wherein when the first information includes aperiodic trigger information of the first DL-PRS, the acquiring the first information includes:

the first cell determines aperiodic trigger information of the first DL-PRS; or alternatively

And acquiring the aperiodic trigger information of the first DL-PRS through positioning management equipment.

Wherein when the first information includes aperiodic trigger information of the second DL-PRS, the acquiring the first information includes:

acquiring aperiodic trigger information of the second DL-PRS through an interface between the second cell and the second cell; or alternatively

And acquiring the aperiodic trigger information of the second DL-PRS through positioning management equipment.

Wherein the aperiodic trigger information of the second DL-PRS is determined by the positioning management device or the aperiodic trigger information of the second DL-PRS is sent by the second cell to the positioning management device.

Wherein the sending the first information to the terminal includes:

and transmitting the first information to the terminal through DCI (Downlink Control Information) and downlink control information.

The DCI comprises a DL-PRS request field, wherein the DL-PRS request field is used for indicating and triggering the configuration state of at least one DL-PRS of the first DL-PRS and the second DL-PRS.

Wherein each encoding point of the DL-PRS request field is used to trigger a configuration state of one of the first DL-PRS and the second DL-PRS.

The configuration state comprises at least one piece of configuration information of DL-PRS resource set list information, DL-PRS resource set information and DL-PRS resource information.

The DL-PRS request field is a field and is used for representing the configuration state of the triggered first DL-PRS or the configuration state of the triggered second DL-PRS;

the number of bits occupied by the DL-PRS request field is selected from the set {0,1, …, N }, where N is a positive integer greater than or equal to 1.

The DL-PRS request field is a field, and comprises a first sub-field and a second sub-field;

the first subfield is used for indicating a configuration state of a triggered first DL-PRS, and the number of bits occupied by the first subfield is selected from a set {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1;

the second subfield is used for indicating a configuration state of a triggered second DL-PRS, and the number of bits occupied by the second subfield is selected from a set {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1.

The DCI comprises a first DL-PRS request field and a second DL-PRS request field;

the first DL-PRS request field is configured to represent a configuration state of a triggered first DL-PRS, where the number of bits occupied by the first DL-PRS request field is selected from a set {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1;

The second DL-PRS request field is configured to represent a configuration state of a triggered second DL-PRS, where the number of bits occupied by the second DL-PRS request field is selected from a set {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1.

The aperiodic trigger information of the first DL-PRS comprises at least one item of information of trigger time information of the first DL-PRS and configuration information of the first DL-PRS.

The triggering time information of the first DL-PRS is first aperiodic triggering offset information;

the first aperiodic trigger offset information represents offset between DCI triggering a first DL-PRS resource set and a time slot transmitting the first DL-PRS resource set, and each piece of first aperiodic trigger offset information corresponds to one DL-PRS resource set; or alternatively

The first aperiodic trigger offset information indicates an offset between DCI triggering a first DL-PRS resource set and a time slot transmitting the first DL-PRS resource, and each piece of first aperiodic trigger offset information corresponds to one DL-PRS resource.

The aperiodic trigger information of the second DL-PRS comprises at least one item of information of trigger time information and second DL-PRS configuration information of the second DL-PRS.

The triggering time information of the second DL-PRS is second aperiodic triggering offset information;

the second aperiodic trigger offset information represents offset between DCI triggering a second DL-PRS resource set and a time slot transmitting the second DL-PRS resource set, and each piece of second aperiodic trigger offset information corresponds to one DL-PRS resource set; or alternatively

The second aperiodic trigger offset information indicates an offset between DCI triggering a second DL-PRS resource set and a time slot transmitting the second DL-PRS resource, and each piece of second aperiodic trigger offset information corresponds to one DL-PRS resource.

In a second aspect, an embodiment of the present invention provides an information transmission method, applied to a second cell, including:

acquiring aperiodic trigger information of a second DL-PRS of a second cell;

and sending the aperiodic trigger information of the second DL-PRS to the positioning management equipment, or sending the aperiodic trigger information of the second DL-PRS to the first cell.

Wherein the sending the aperiodic trigger information of the second DL-PRS to the first cell includes:

and sending the aperiodic trigger information of the second DL-PRS to the first cell through an interface between the second DL-PRS and the first cell.

In a third aspect, an embodiment of the present invention provides an information transmission method, which is applied to a positioning management device, including:

acquiring first information;

transmitting the first information to a first cell;

The first cell comprises a serving cell of a terminal, and the second cell comprises a non-serving cell or a neighbor cell of the terminal.

Wherein when the first information includes aperiodic trigger information of a second DL-PRS of a second cell, the acquiring the first information includes:

and acquiring aperiodic trigger information of a second DL-PRS of a second cell from the second cell.

The aperiodic trigger information of the first DL-PRS comprises at least one item of information of trigger time information and first DL-PRS configuration information of the first DL-PRS.

In a fourth aspect, an embodiment of the present invention provides an information transmission method, which is applied to a terminal, including:

receiving first information sent by a first cell;

receiving DL-PRS according to the first information;

The receiving the first information sent by the first cell includes:

and receiving the first information sent by the first cell through DCI.

Wherein the receiving DL-PRS according to the first information includes:

determining a time slot number for transmitting a first DL-PRS resource set according to the first aperiodic trigger offset information and the DCI; receiving a first DL-PRS resource set according to the time slot number of the first DL-PRS resource set; or alternatively

Determining a time slot number for transmitting a first DL-PRS resource according to the first aperiodic trigger offset information and the DCI; and receiving the first DL-PRS resource according to the time slot number of the first DL-PRS resource.

Wherein the receiving DL-PRS according to the first information includes:

determining a time slot number for transmitting a second DL-PRS resource set according to the second aperiodic trigger offset information and the DCI; receiving a second DL-PRS resource set according to the time slot number of the second DL-PRS resource set; or alternatively

Determining a time slot number for transmitting a second DL-PRS resource according to the second aperiodic trigger offset information and the DCI; and receiving the second DL-PRS resource according to the time slot number of the second DL-PRS resource.

In a fifth aspect, an embodiment of the present invention provides an information transmission apparatus, applied to a first cell, including:

the first acquisition module is used for acquiring first information;

the first sending module is used for sending the first information to the terminal;

In a sixth aspect, an embodiment of the present invention provides an information transmission apparatus, applied to a second cell, including:

the first acquisition module is used for acquiring the aperiodic trigger information of the second DL-PRS of the second cell;

and the first sending module is used for sending the aperiodic trigger information of the second DL-PRS to the positioning management equipment or sending the aperiodic trigger information of the second DL-PRS to the first cell.

In a seventh aspect, an embodiment of the present invention provides an information transmission apparatus, which is applied to a positioning management device, including:

the first acquisition module is used for acquiring first information;

the first sending module is used for sending the first information to a first cell;

In an eighth aspect, an embodiment of the present invention provides an information transmission apparatus, applied to a terminal, including:

the first receiving module is used for receiving first information sent by a first cell;

the second receiving module is used for receiving the DL-PRS according to the first information;

In a ninth aspect, an embodiment of the present invention provides an information transmission apparatus, applied to a first cell, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is configured to read the program in the memory, and execute the following procedures:

acquiring first information;

transmitting the first information to a terminal;

Wherein the processor is further configured to read the program in the memory, and perform the following procedures:

determining aperiodic trigger information of the first DL-PRS; or alternatively

and sending the first information to the terminal through downlink control information DCI.

The DCI comprises a DL-PRS request field, wherein the DL-PRS request field is used for indicating and triggering the configuration state of at least one DL-PRS in a first DL-PRS and a second DL-PRS;

each encoding point of the DL-PRS request field is configured to trigger a configuration state of one of the first DL-PRS and the second DL-PRS;

The DL-PRS request field is a field and is used for representing the configuration state of the triggered first DL-PRS or the configuration state of the triggered second DL-PRS; the number of bits occupied by the DL-PRS request field is selected from the set {0,1, …, N }, wherein N is a positive integer greater than or equal to 1; or alternatively

The DL-PRS request field is a field, and comprises a first sub-field and a second sub-field; the first subfield is used for indicating a configuration state of a triggered first DL-PRS, and the number of bits occupied by the first subfield is selected from a set {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1; the second subfield is configured to represent a configuration state of a triggered second DL-PRS, where the number of bits occupied by the second subfield is selected from a set {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1; or alternatively

The DCI comprises a first DL-PRS request field and a second DL-PRS request field; the first DL-PRS request field is configured to represent a configuration state of a triggered first DL-PRS, where the number of bits occupied by the first DL-PRS request field is selected from a set {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1; the second DL-PRS request field is configured to represent a configuration state of a triggered second DL-PRS, where the number of bits occupied by the second DL-PRS request field is selected from a set {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1.

The aperiodic trigger information of the first DL-PRS comprises at least one item of information of trigger time information and first DL-PRS configuration information of the first DL-PRS;

The aperiodic trigger information of the second DL-PRS comprises at least one item of information of trigger time information and second DL-PRS configuration information of the second DL-PRS;

In a tenth aspect, an embodiment of the present invention provides an information transmission apparatus, applied to a second cell, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is used for reading the program in the memory and executing the following processes:

acquiring aperiodic trigger information of a second DL-PRS of a second cell;

In an eleventh aspect, an embodiment of the present invention provides an information transmission apparatus, applied to a positioning management apparatus, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is configured to read the program in the memory, and execute the following procedures:

acquiring first information;

transmitting the first information to a first cell;

In a twelfth aspect, an embodiment of the present invention provides an information transmission apparatus, applied to a terminal, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is configured to read the program in the memory, and execute the following procedures:

receiving first information sent by a first cell;

receiving DL-PRS according to the first information;

In a thirteenth aspect, an embodiment of the present invention provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the information transmission method according to the first aspect; alternatively, the steps in the information transmission method according to the second aspect are implemented; implementing the steps in the information transmission method according to the third aspect; the steps in the information transmission method according to the fourth aspect are realized.

In the embodiment of the invention, a first cell sends first information to a terminal, wherein the first information comprises aperiodic trigger information of a first DL-PRS of the first cell and aperiodic trigger information of a second DL-PRS of a second cell. Therefore, by the scheme of the embodiment of the invention, the aperiodic downlink positioning reference signal of the serving cell or the neighbor cell can be triggered, so that the positioning process can be completed by using smaller reference signal cost, and the positioning time delay and the positioning reference signal cost are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

Fig. 1 is a flowchart of an information transmission method according to an embodiment of the present invention;

FIG. 2 is a second flowchart of an information transmission method according to an embodiment of the present invention;

FIG. 3 is a third flowchart of an information transmission method according to an embodiment of the present invention;

FIG. 4 is a flowchart of a method for transmitting information according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a DL-PRS aperiodic trigger information acquisition method of a serving cell according to an embodiment of the present invention;

fig. 6 is a second schematic diagram of a DL-PRS aperiodic trigger information acquisition method of a serving cell according to an embodiment of the present invention;

fig. 7 is a third schematic diagram of a DL-PRS aperiodic trigger information acquisition method of a serving cell according to an embodiment of the present invention;

fig. 8 is a schematic diagram of a DL-PRS aperiodic trigger information acquisition method of a serving cell according to an embodiment of the present invention;

FIGS. 9 (a) to 9 (c) are diagrams of DL-PRS request fields, respectively;

fig. 10 is a block diagram of an information transmission apparatus according to an embodiment of the present invention;

FIG. 11 is a second block diagram of an information transmission device according to an embodiment of the present invention;

FIG. 12 is a third block diagram of an information transmission apparatus according to an embodiment of the present invention;

FIG. 13 is a diagram showing a structure of an information transmission apparatus according to an embodiment of the present invention;

fig. 14 is one of structural diagrams of an information transmission apparatus provided by an embodiment of the present invention;

fig. 15 is a second block diagram of an information transmission apparatus according to an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, fig. 1 is a flowchart of an information transmission method according to an embodiment of the present invention, which is applied to a first cell. Wherein the first cell may be a base station or TRP (Transmission and Reception Point ). As shown in fig. 1, the method comprises the following steps:

step 101, obtaining first information.

aperiodic trigger information of a first DL-PRS of the first cell, and aperiodic trigger information of a second DL-PRS of the second cell; the first cell includes a serving cell of the terminal, and the second cell includes a non-serving cell or a neighbor cell of the terminal.

In the embodiment of the invention, the first cell can obtain the aperiodic trigger information of the first DL-PRS by the following method:

(1) The first cell determines aperiodic trigger information of the first DL-PRS. That is, the first cell itself determines aperiodic trigger information of the first DL-PRS.

(2) And the first cell acquires the aperiodic trigger information of the first DL-PRS through positioning management equipment.

The location management device may be an LMC (Location Management Center ) or an LMF (Location Management Function, location management function), among others. That is, the positioning management device determines the aperiodic trigger information of the first DL-PRS and transmits it to the first network element. Correspondingly, the first network element obtains aperiodic trigger information of the first DL-PRS from the positioning management device.

In the embodiment of the invention, the first cell can obtain the aperiodic trigger information of the second DL-PRS by the following method:

(1) And the first cell acquires the aperiodic trigger information of the second DL-PRS through an interface between the first cell and the second cell. For example, the first cell obtains the aperiodic trigger information of the second DL-PRS through an Xn interface between base stations.

(2) And the first cell acquires the aperiodic trigger information of the second DL-PRS through positioning management equipment.

In this manner, the positioning management device determines the aperiodic trigger information of the second DL-PRS and sends it to the first network element. Or the second network element determines the aperiodic trigger information of the second DL-PRS and sends the aperiodic trigger information to the positioning management device. And then, the positioning management equipment transmits the aperiodic trigger information of the second DL-PRS to the first network element. Correspondingly, the first network element obtains the aperiodic trigger information of the second DL-PRS from the positioning management device.

By the method, the first cell can obtain the aperiodic trigger information of the first DL-PRS or the aperiodic trigger information of the second DL-PRS in various modes, so that the flexibility of information acquisition is improved.

In the embodiment of the invention, the aperiodic trigger information of the first DL-PRS comprises at least one item of information of trigger time information and first DL-PRS configuration information of the first DL-PRS.

Specifically, the trigger timing information of the first DL-PRS is first aperiodic trigger offset information. The first aperiodic trigger offset information indicates an offset between DCI triggering a first DL-PRS resource set and a time slot transmitting the first DL-PRS resource set, and each first aperiodic trigger offset information corresponds to one DL-PRS resource set. Or, the first aperiodic trigger offset information indicates an offset between DCI triggering a first DL-PRS resource set and a slot in which the first DL-PRS resource is transmitted, and each of the first aperiodic trigger offset information corresponds to one DL-PRS resource.

In the embodiment of the invention, the aperiodic trigger information of the second DL-PRS comprises at least one item of information of trigger time information and second DL-PRS configuration information of the second DL-PRS.

The triggering time information of the second DL-PRS is second aperiodic triggering offset information. Specifically, the second aperiodic trigger offset information indicates an offset between DCI triggering a second DL-PRS resource set and a time slot transmitting the second DL-PRS resource set, and each of the second aperiodic trigger offset information corresponds to one DL-PRS resource set, or the second aperiodic trigger offset information indicates an offset between DCI triggering a second DL-PRS resource set and a time slot transmitting the second DL-PRS resource, and each of the second aperiodic trigger offset information corresponds to one DL-PRS resource.

In the embodiment of the invention, the DL-PRS configuration information can be at least one configuration information of DL-PRS resource set list information, DL-PRS resource set information and DL-PRS resource information.

Step 102, the first information is sent to a terminal.

In this step, the first cell transmits the first information to the terminal through DCI.

In the embodiment of the invention, DCI is modified to carry the first information.

Specifically, the DCI includes a DL-PRS request (request) field for indicating and triggering a configuration state of at least one of the first DL-PRS and the second DL-PRS. Each encoding point of the DL-PRS request field is to trigger a configuration state of one of the first DL-PRS and the second DL-PRS. The Code point is a coding state used to represent a certain information field. The configuration state comprises at least one piece of configuration information of DL-PRS resource set list information, DL-PRS resource set information and DL-PRS resource information.

In practical applications, the DL-PRS request field may be utilized in different ways to carry the first information.

The first mode is that the DL-PRS request field is a field used for representing the configuration state of the triggered first DL-PRS or the configuration state of the triggered second DL-PRS; the number of bits occupied by the DL-PRS request field is selected from the set {0,1, …, N }, where N is a positive integer greater than or equal to 1.

And in a second mode, the DL-PRS request field is a field, and the DL-PRS request field comprises a first subfield and a second subfield. The first subfield is used for representing a configuration state of a triggered first DL-PRS, and the number of bits occupied by the first subfield is selected from a set {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1; the second subfield is used for indicating a configuration state of a triggered second DL-PRS, and the number of bits occupied by the second subfield is selected from a set {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1.

In a third mode, the DCI includes a first DL-PRS request field and a second DL-PRS request field. The first DL-PRS request field is configured to represent a configuration state of a triggered first DL-PRS, where the number of bits occupied by the first DL-PRS request field is selected from a set {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1; the second DL-PRS request field is configured to represent a configuration state of a triggered second DL-PRS, where the number of bits occupied by the second DL-PRS request field is selected from a set {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1.

And the DL-PRS request fields in different forms are used for carrying corresponding information, so that the flexibility and the diversity of indicating the first information to the terminal are improved.

Referring to fig. 2, fig. 2 is a flowchart of an information transmission method according to an embodiment of the present invention, which is applied to a second cell. Wherein the second cell may be a base station or a TRP. As shown in fig. 2, the method comprises the following steps:

step 201, acquiring aperiodic trigger information of a second DL-PRS of a second cell.

In this step, the second cell may obtain aperiodic trigger information for the second DL-PRS by:

(1) The second cell determines aperiodic trigger information of the second DL-PRS. That is, the second cell itself determines aperiodic trigger information for the second DL-PRS.

(2) And the second cell acquires the aperiodic trigger information of the second DL-PRS through positioning management equipment.

Wherein the location management device may be an LMC or an LMF. That is, the positioning management device determines the aperiodic trigger information of the second DL-PRS and transmits it to the second network element. Correspondingly, the second network element obtains aperiodic trigger information of the second DL-PRS from the positioning management device.

Step 202, sending the aperiodic trigger information of the second DL-PRS to a positioning management device, or sending the aperiodic trigger information of the second DL-PRS to a first cell.

In this step, the second cell may send aperiodic trigger information of the second DL-PRS to the first cell through an interface with the first cell. For example, the second cell sends the aperiodic trigger information of the second DL-PRS to the first cell over an inter-base station Xn interface. Or the second cell may also send the aperiodic trigger information of the second DL-PRS to a positioning management device, and the positioning management device sends the aperiodic trigger information of the second DL-PRS to the first cell.

Wherein, the content contained in the aperiodic trigger information of the second DL-PRS may refer to the description of the foregoing embodiment.

Referring to fig. 3, fig. 3 is a flowchart of an information transmission method according to an embodiment of the present invention, which is applied to a location management device. The location management device may be an LMF or an LMC. As shown in fig. 3, the method comprises the following steps:

step 301, obtaining first information.

Wherein the first information includes at least one of the following information: aperiodic trigger information of a first DL-PRS of the first cell, and aperiodic trigger information of a second DL-PRS of the second cell; the first cell comprises a serving cell of a terminal, and the second cell comprises a non-serving cell or a neighbor cell of the terminal.

In this step, the positioning management device itself may determine and transmit the aperiodic trigger information of the first DL-PRS or the aperiodic trigger information of the second DL-PRS to the first cell. For the aperiodic trigger information of the second DL-PRS, the positioning management device may also obtain the aperiodic trigger information of the second DL-PRS of the second cell from the second cell.

Wherein, the meaning of the aperiodic trigger information of the first DL-PRS or the aperiodic trigger information of the second DL-PRS may refer to the description of the foregoing embodiments.

Step 302, the first information is sent to a first cell.

Referring to fig. 4, fig. 4 is a flowchart of an information transmission method provided in an embodiment of the present invention, which is applied to a terminal. As shown in fig. 4, the method comprises the following steps:

step 401, receiving first information sent by a first cell.

And step 402, receiving DL-PRS according to the first information.

Specifically, in this step, the terminal receives the first information sent by the first cell through DCI.

Specifically, in this step, if the aperiodic trigger information of the first DL-PRS is included in the first information, the terminal may receive the DL-PRS in the following manner.

The first mode is that the terminal determines the time slot number for transmitting a first DL-PRS resource set according to the first aperiodic trigger offset information and the DCI; and receiving the first DL-PRS resource set according to the time slot number of the first DL-PRS resource set.

A second mode, the terminal determines a time slot number for transmitting a first DL-PRS resource according to the first aperiodic trigger offset information and the DCI; and receiving the first DL-PRS resource according to the time slot number of the first DL-PRS resource.

If the aperiodic trigger information of the second DL-PRS is included in the second information, the terminal can receive the DL-PRS in the following manner.

The first mode is that the terminal determines the time slot number for transmitting the second DL-PRS resource set according to the second aperiodic trigger offset information and the DCI; and receiving the second DL-PRS resource set according to the time slot number of the second DL-PRS resource set.

A second mode, the terminal determines a time slot number for transmitting a second DL-PRS resource according to the second aperiodic trigger offset information and the DCI; and receiving the second DL-PRS resource according to the time slot number of the second DL-PRS resource.

As can be seen from the above description, in the embodiment of the present invention, the aperiodic trigger information refers to "aperiodic trigger offset information", which is actually a Slot offset (Slot offset), that is, an offset X (x=n-m) between the Slot number m (Slot number m) of the DCI used by the base station to trigger the aperiodic DL-PRS and the Slot number n (Slot number n) actually transmitting the aperiodic DL-PRS. Since the terminal knows the slot number m of the DCI used by the base station to trigger the aperiodic DL-PRS, the terminal can calculate the slot number n (n=m+x) where the aperiodic DL-PRS is actually transmitted after being informed of the offset X.

Referring to fig. 5, fig. 5 is a schematic diagram of a method for acquiring DL-PRS aperiodic trigger information of a serving cell according to an embodiment of the present invention. In the embodiment shown in fig. 5, the serving cell itself determines or obtains the aperiodic trigger information of the first DL-PRS through the LMF or the LMC (only the aperiodic trigger information of the first DL-PRS obtained through the LMF is shown in the figure).

In this embodiment, a first cell (i.e., a serving cell) obtains aperiodic trigger information of a first downlink positioning reference signal (DL-PRS) of the first cell, and then the first cell transmits the aperiodic trigger information of the first DL-PRS to a UE.

In the above process, the first cell may determine the aperiodic trigger information of the first DL-PRS of the first cell by itself; or the first cell obtains the aperiodic trigger information of the first DL-PRS of the first cell through the LMF. The specific manner in which to obtain the aperiodic trigger information of the first DL-PRS depends on the triggering scheme of the aperiodic DL-PRS.

As shown in fig. 5, if the trigger scheme is gNB-based (base station based), the serving cell of UE1 or serving base station gNB1 autonomously determines aperiodic trigger information of the first DL-PRS; if the triggering scheme is network-based (based on the network side), the LMF or LMC determines the aperiodic triggering information of the first DL-PRS and then sends the aperiodic triggering information of the first DL-PRS to the serving cell or serving base station gNB1 of the UE 1.

If the first cell itself determines the aperiodic trigger information of the first DL-PRS of the first cell, the scheme is simple and the delay is low since no participation of the LMF is required. The method for the first cell to obtain the aperiodic trigger information of the first DL-PRS of the first cell through the LMF can avoid collision between the DL-PRS of the serving cell and the DL-PRS of the neighbor cell under the coordination of the LMF because the configuration and the trigger time of the DL-PRS can be determined by the LMF.

Referring to fig. 6, fig. 6 is a schematic diagram of a method for acquiring DL-PRS aperiodic trigger information of a neighbor cell according to an embodiment of the present invention. In the embodiment shown in fig. 6, the serving cell obtains the aperiodic trigger information of the second DL-PRS through the inter-base station Xn interface or LMF.

The first cell (i.e., the serving cell) obtains aperiodic trigger information of a second downlink positioning reference signal (DL-PRS) of a second cell (i.e., a neighbor cell, not co-sited with the first cell), and then the first cell transmits the aperiodic trigger information of the second DL-PRS to the UE.

In the process, the first cell can obtain the aperiodic trigger information of the second DL-PRS of the second cell through the Xn interface between the base stations; or the first cell obtains the aperiodic trigger information of the second DL-PRS of the second cell through the LMF. Which way to acquire the aperiodic trigger information of the second DL-PRS depends on the triggering scheme of the aperiodic DL-PRS.

As shown in fig. 6, if the triggering scheme is gNB-based, the serving cell or serving base station gNB1 of the UE1 obtains the aperiodic triggering information of the second DL-PRS of the gNB2 through the Xn interface; if the triggering scheme is network-based, the LMF or LMC determines the aperiodic triggering information of the second DL-PRS, or the LMF or LMC obtains the aperiodic triggering information of the second DL-PRS from the gNB2 and then sends the aperiodic triggering information of the second DL-PRS to the serving cell or serving base station gNB1 of the UE 1.

If the first cell acquires the aperiodic trigger information of the second DL-PRS of the second cell through the Xn interface, the proposal is simple and the time delay is lower because the participation of LMF is not needed. The method for the first cell to obtain the aperiodic trigger information of the second DL-PRS of the second cell through the LMF can avoid collision between the DL-PRS of the serving cell and the DL-PRS of the neighbor cell under the coordination of the LMF because the configuration and the trigger time of the DL-PRS can be determined by the LMF.

Referring to fig. 7, fig. 7 is a schematic diagram of a serving cell according to an embodiment of the present invention transmitting aperiodic trigger information of DL-PRS of the serving cell to a UE through DCI. In the embodiment shown in fig. 7, the serving cell transmits aperiodic trigger information of DL-PRS of the serving cell to the UE through DCI.

The serving cell (or serving base station) transmits aperiodic trigger information of the first DL-PRS of the first cell (serving cell) to the UE through DCI.

The aperiodic trigger information of the first DL-PRS includes trigger timing information of the first DL-PRS and/or configuration information of the first DL-PRS.

The trigger timing information of the first DL-PRS includes aperiodic trigger offset information, which specifically means an offset between a slot containing "DCI triggering the first DL-PRS resource set" and a slot transmitting the first DL-PRS resource set ". At this time, each "aperiodic trigger offset information" corresponds to one DL-PRS resource set. Alternatively, the specific meaning refers to an offset between a slot containing "DCI triggering a first DL-PRS resource set" and a slot transmitting a first DL-PRS resource ". At this time, each of the "aperiodic trigger offset information" corresponds to one DL-PRS resource.

After receiving the DCI, the UE can receive the first DL-PRS of the first cell in the appointed time slot according to the aperiodic trigger offset information.

The set of DL-PRS resources is a set of several DL-PRS resources, one DL-PRS resource may occupy a maximum of 12 OFDM (Orthogonal frequency division multiplex, orthogonal frequency division multiplexing) symbols, and one DL-PRS resource set may be configured with a maximum of 64 DL-PRS resources.

As shown in fig. 7, the serving cell or the serving base station gNB1 issues, through DCI, aperiodic trigger information of the first DL-PRS, where the information includes two types of information, one type is trigger timing information of the first DL-PRS, that is: the UE should receive the first DL-PRS in which slot. This information is notified to the UE in the form of "aperiodic trigger offset information". The other is the first DL-PRS configuration information. There are two possible configurations of the offset information:

offset configuration mode 1: each DL-PRS resource set may be configured with different offset information. The "aperiodic trigger offset information" refers to an offset between a slot containing "DCI triggering a first DL-PRS resource set" and a slot transmitting the first DL-PRS resource set ". Therefore, the DL-PRS resource set needs to be transmitted or received within the time slot indicated by the offset information, i.e., the DL-PRS resource set can only be configured within one time slot. If the DL-PRS resource set occupies more time domain resources, it may be configured in the following manner 2.

Offset configuration mode 2: each DL-PRS resource may be configured with different offset information. The "aperiodic trigger offset information" refers to an offset between a slot containing "DCI triggering a first DL-PRS resource set" and a slot transmitting a first DL-PRS resource ". This case does not require that the DL-PRS resource set needs to complete transmission or reception in the slot indicated by the offset information, but only requires that a single DL-PRS resource complete transmission or reception in one slot, and this indication scheme may be applicable to various cases considering that a single DL-PRS resource occupies at most 12 symbols.

After receiving the DCI, the UE receives the first DL-PRS of the first cell in a designated time slot according to the aperiodic trigger offset information. If the offset configuration mode 1 is adopted, the UE can complete the reception of the first DL-PRS in one slot. If the offset configuration 2 is used, the UE may need to complete the reception of all DL-PRS resources contained in the first DL-PRS in multiple slots.

In this embodiment, there are two offset configuration modes, and for mode 1, since only the slot offset indicating the DL-PRS resource set is needed, it requires less DCI signaling overhead. For mode 2, the DL-PRS resources are more flexible to configure and can be configured in multiple slots since their slot offsets can be indicated for each DL-PRS resource.

Referring to fig. 8, fig. 8 is a schematic diagram of a serving cell according to an embodiment of the present invention transmitting, to a UE, aperiodic trigger information of DL-PRS of a neighbor cell through DCI. In the embodiment shown in fig. 8, the serving cell transmits the aperiodic trigger information of the second DL-PRS of the second cell to the UE through DCI.

The serving cell transmits aperiodic trigger information of the second DL-PRS of the second cell (neighbor cell) to the UE through the DCI.

The aperiodic trigger information of the second DL-PRS includes trigger timing information of the second DL-PRS and/or configuration information of the second DL-PRS.

The trigger timing information of the second DL-PRS is "aperiodic trigger offset information", which specifically means an offset between a slot containing "DCI triggering the second DL-PRS resource set" and a slot transmitting the second DL-PRS resource set ". At this time, each "aperiodic trigger offset information" corresponds to one DL-PRS resource set. Alternatively, the specific meaning refers to an offset between a slot containing "DCI triggering the second DL-PRS resource set" and a slot transmitting the second DL-PRS resource ". At this time, each of the "aperiodic trigger offset information" corresponds to one DL-PRS resource.

After receiving the DCI, the UE can receive the second DL-PRS of the second cell in the appointed time slot according to the aperiodic trigger offset information.

As shown in fig. 8, the serving cell or the serving base station gNB1 issues, through DCI, aperiodic trigger information of the second DL-PRS, where the information includes two types of information, one type is trigger timing information of the second DL-PRS, that is: the UE should receive the second DL-PRS in which slot. This information is notified to the UE in the form of "aperiodic trigger offset information". The other is the first DL-PRS configuration information. There are two possible configurations of the offset information:

Offset configuration mode 1: each DL-PRS resource set may be configured with different offset information. The "aperiodic trigger offset information" refers to an offset between a slot containing "DCI triggering the second DL-PRS resource set" and a slot transmitting the second DL-PRS resource set ". The DL-PRS resource set needs to be sent or received in the slot indicated by the offset information, i.e., the DL-PRS resource set can only be configured in one slot. For the case that the DL-PRS resource set occupies more time domain resources, it may be configured in the following manner 2.

Offset configuration mode 2: each DL-PRS resource may be configured with different offset information. The "aperiodic trigger offset information" refers to an offset between a slot containing "DCI triggering the second DL-PRS resource set" and a slot transmitting the second DL-PRS resource ". Thus, the DL-PRS resource set is not required to complete transmission or reception in the time slot indicated by the offset information, but only a single DL-PRS resource is required to complete transmission or reception in one time slot, and the indication manner can be applicable to various situations considering that the single DL-PRS resource occupies at most 12 symbols.

After receiving the DCI, the UE receives a second DL-PRS of the second cell in the appointed time slot according to the aperiodic trigger offset information. If the offset configuration mode 1 is adopted, the UE can complete the reception of the second DL-PRS in one slot. If the offset configuration 2 is adopted, the UE may need to complete the reception of all DL-PRS resources included in the second DL-PRS in a plurality of slots.

In the embodiment of the invention, the first information is indicated by improving DCI. Wherein, the DL-PRS request field in the DCI is used for indicating and triggering the configuration state of the first DL-PRS or the second DL-PRS, and each coding point (codebook) of the DL-PRS request field is used for triggering the configuration state of one of the DL-PRSs. The configuration state of the DL-PRS is configured by high-layer signaling, and comprises at least one configuration information of the DL-PRS resource set list information, the DL-PRS resource set information and the DL-PRS resource information.

In the embodiment of the invention, the DL-PRS request field can be designed in the following ways:

DL-PRS request field design one (hybrid configuration): the DCI comprises a DL-PRS request field, and the occupied bit number is {0,1, …, N }, wherein N is a positive integer greater than or equal to 1. The DL-PRS request field indicates the first DL-PRS or the second DL-PRS of the trigger.

DL-PRS request field design mode two (two subfields independently configured in one field): the DCI comprises a DL-PRS request field, and the field comprises two subfields: subfield 1 and subfield 2:

the number of bits occupied by subfield 1 is {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1. The DL-PRS request field indicates the first DL-PRS to trigger.

The number of bits occupied by subfield 2 is {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1. The DL-PRS request field indicates a second DL-PRS that may be triggered.

DL-PRS request field design mode three (independently configured in two fields): the DCI comprises two independent fields for triggering aperiodic DL-PRS, namely a DL-PRS request-1 field and a DL-PRS request-2 field:

the number of bits occupied by DL-PRS request-1 is {0,1, …, ns }, where Ns is a positive integer greater than or equal to 1. The DL-PRS request field indicates the first DL-PRS to trigger.

The number of bits occupied by DL-PRS request-2 is {0,1, …, nn }, where Nn is a positive integer greater than or equal to 1. The DL-PRS request field indicates a second DL-PRS that may be triggered.

Fig. 9 (a) shows a DL-PRS request field design one. This is a hybrid configuration scheme, i.e. the configuration of the first DL-PRS and the second DL-PRS are co-located in one DL-PRS Request field. Each coding point in the DL-PRS Request field may represent either a certain configuration of the first DL-PRS or a certain configuration of the second DL-PRS.

Fig. 9 (b) shows a DL-PRS request field design II. This is a scheme of being independently configured in two subfields of one field, i.e., a first DL-PRS and a second DL-PRS are independently configured in two different subfields in one DL-PRS Request field. Each coding point in subfield 1 of the DL-PRS Request field represents a certain configuration of the first DL-PRS, each coding point in subfield 2 represents a certain configuration of the second DL-PRS, and the first DL-PRS and the second DL-PRS are each independently configured in a different subfield although they are both placed in the same DL-PRS Request field.

Fig. 9 (c) shows DL-PRS request field design three. This is a scheme of independent configuration in two fields, namely, the first DL-PRS and the second DL-PRS are independently configured in the DL-PRS Request-1 field and the DL-PRS Request-2. Each coding point in the DL-PRS Request-1 field represents a certain configuration of a first DL-PRS, each coding point in the DL-PRS Request-1 field represents a certain configuration of a second DL-PRS, and the first DL-PRS and the second DL-PRS are independently configured in different DL-PRS Request fields.

The design mode of the DL-PRS request field is that the first DL-PRS and the second DL-PRS can share one DL-PRS request field, so that the signaling overhead is small. The design mode II or the design mode III of the DL-PRS request field can independently configure the first DL-PRS and the second DL-PRS in a sub-field or field mode, the length of the field occupied by the first DL-PRS and the second DL-PRS is adjustable, and the configuration is flexible.

In the embodiment of the present invention, when a first cell (serving cell) transmits aperiodic trigger information of a first DL-PRS of the first cell (serving cell) or transmits aperiodic trigger information of a second DL-PRS of a second cell (neighbor cell) to a UE through DCI, the aperiodic trigger information refers to "aperiodic trigger offset information", which specifically means an offset between a slot containing "DCI triggering a first DL-PRS resource set" and a slot transmitting the first DL-PRS resource set ". At this time, each "aperiodic trigger offset information" corresponds to one DL-PRS resource set. Alternatively, the specific meaning refers to an offset between a slot containing "DCI triggering a first DL-PRS resource set" and a slot transmitting a first DL-PRS resource ". At this time, each of the "aperiodic trigger offset information" corresponds to one DL-PRS resource.

For the periodic DL-PRS, the occurrence time is fixed, and the UE is informed by RRC signaling in advance, so the UE only needs to receive the DL-PRS at the occurrence time of the periodic DL-PRS. But for non-periodic DL-PRS, the time at which it occurs is not fixed, so the UE can know when to receive non-periodic DL-PRS by requiring the base station to inform the UE of the specific reception time of non-periodic DL-PRS through DCI.

In the embodiment of the present invention, the aperiodic trigger information refers to "aperiodic trigger offset information", which is actually a Slot offset (Slot offset), that is, an offset X (x=n-m) between the Slot number m (Slot number m) of the DCI used by the base station to trigger the aperiodic DL-PRS and the Slot number n (Slot number n) of the aperiodic DL-PRS actually transmitted, and since the terminal knows the Slot number m of the DCI used by the base station to trigger the aperiodic DL-PRS, after being notified of the offset X, the Slot number n (n=m+x) of the aperiodic DL-PRS actually transmitted can be calculated.

In addition, it should be noted that, in the embodiment of the present invention, the slot offset may be configured differently for each aperiodic DL-PRS resource set, or may be configured differently for each aperiodic DL-PRS resource. Different time slot offset is configured for each resource set, and all aperiodic DL-PRS resources triggered at this time can only be completely transmitted in one time slot. And different time slot offset is configured for each resource, and all the aperiodic DL-PRS resources triggered at this time can be sent in different time slots.

Different time slot offset is configured for each resource set, so that signaling overhead can be saved, and all aperiodic DL-PRS resources triggered at this time can be completely sent in one time slot. And different time slot offset is configured for each resource, so that the indication is more flexible, and all the aperiodic DL-PRS resources triggered at this time can be sent in different time slots.

The embodiment of the invention also provides an information transmission device which is applied to the first cell. Referring to fig. 10, fig. 10 is a block diagram of an information transmission apparatus according to an embodiment of the present invention. Because the principle of the information transmission device for solving the problem is similar to that of the information transmission device in the embodiment of the invention, the implementation of the information transmission device can be referred to the implementation of the method, and the repetition is omitted.

As shown in fig. 10, the information transmission apparatus 1000 includes:

a first obtaining module 1001, configured to obtain first information; a first sending module 1002, configured to send the first information to a terminal;

wherein the first information includes at least one of the following information: aperiodic trigger information of a first DL-PRS of the first cell, and aperiodic trigger information of a second DL-PRS of the second cell; the first cell includes a serving cell of the terminal, and the second cell includes a non-serving cell or a neighbor cell of the terminal.

Optionally, when the first information includes aperiodic trigger information of the first DL-PRS, the first obtaining module 1001 is specifically configured to determine the aperiodic trigger information of the first DL-PRS; or acquiring the aperiodic trigger information of the first DL-PRS through positioning management equipment.

Optionally, when the first information includes aperiodic trigger information of the second DL-PRS, the first obtaining module 1001 is specifically configured to obtain the aperiodic trigger information of the second DL-PRS through an interface with the second cell; or acquiring the aperiodic trigger information of the second DL-PRS through positioning management equipment.

Optionally, the aperiodic trigger information of the second DL-PRS is determined by the positioning management device, or the aperiodic trigger information of the second DL-PRS is sent by the second cell to the positioning management device.

Optionally, the first sending module 1002 is configured to send the first information to the terminal through DCI.

Optionally, the DCI includes a DL-PRS request field for indicating and triggering a configuration state of at least one of the first DL-PRS and the second DL-PRS.

Optionally, each encoding point of the DL-PRS request field is configured to trigger a configuration state of one of the first DL-PRS and the second DL-PRS.

Optionally, the configuration state includes at least one configuration information of DL-PRS resource set list information, DL-PRS resource set information, and DL-PRS resource information.

Optionally, the DL-PRS request field is a field, configured to indicate a configuration state of a triggered first DL-PRS or a configuration state of a second DL-PRS;

Optionally, the DL-PRS request field is a field, and the DL-PRS request field includes a first subfield and a second subfield;

Optionally, the DCI includes a first DL-PRS request field and a second DL-PRS request field;

Optionally, the aperiodic trigger information of the first DL-PRS includes at least one of trigger timing information and first DL-PRS configuration information of the first DL-PRS.

Optionally, the trigger time information of the first DL-PRS is first aperiodic trigger offset information;

Optionally, the aperiodic trigger information of the second DL-PRS includes at least one of trigger timing information and second DL-PRS configuration information of the second DL-PRS.

Optionally, the trigger time information of the second DL-PRS is second aperiodic trigger offset information;

The device provided by the embodiment of the present invention may execute the above method embodiment, and its implementation principle and technical effects are similar, and this embodiment will not be described herein.

The embodiment of the invention also provides an information transmission device which is applied to the second cell. Referring to fig. 11, fig. 11 is a block diagram of an information transmission apparatus according to an embodiment of the present invention. Because the principle of the information transmission device for solving the problem is similar to that of the information transmission device in the embodiment of the invention, the implementation of the information transmission device can be referred to the implementation of the method, and the repetition is omitted.

As shown in fig. 11, the information transmission apparatus 1100 includes:

a first obtaining module 1101, configured to obtain aperiodic trigger information of a second DL-PRS of a second cell; and a first sending module 1102, configured to send the aperiodic trigger information of the second DL-PRS to a positioning management device, or send the aperiodic trigger information of the second DL-PRS to a first cell.

Optionally, the first sending module 1102 is configured to send, to the first cell, the aperiodic trigger information of the second DL-PRS through an interface between the first sending module and the first cell.

The embodiment of the invention also provides an information transmission device which is applied to the positioning management equipment. Referring to fig. 12, fig. 12 is a block diagram of an information transmission apparatus according to an embodiment of the present invention. Because the principle of the information transmission device for solving the problem is similar to that of the information transmission device in the embodiment of the invention, the implementation of the information transmission device can be referred to the implementation of the method, and the repetition is omitted.

As shown in fig. 12, the information transmission apparatus 1200 includes: a first obtaining module 1201, configured to obtain first information; a first sending module 1202, configured to send the first information to a first cell; wherein the first information includes at least one of the following information: aperiodic trigger information of a first DL-PRS of the first cell, and aperiodic trigger information of a second DL-PRS of the second cell; the first cell comprises a serving cell of a terminal, and the second cell comprises a non-serving cell or a neighbor cell of the terminal.

Optionally, the first obtaining module 1201 is configured to obtain, from a second cell, aperiodic trigger information of a second DL-PRS of the second cell.

The embodiment of the invention also provides an information transmission device which is applied to the terminal. Referring to fig. 13, fig. 13 is a block diagram of an information transmission apparatus according to an embodiment of the present invention. Because the principle of the information transmission device for solving the problem is similar to that of the information transmission device in the embodiment of the invention, the implementation of the information transmission device can be referred to the implementation of the method, and the repetition is omitted.

As shown in fig. 13, the information transmission apparatus 1300 includes: a first receiving module 1301, configured to receive first information sent by a first cell; a second receiving module 1301, configured to receive DL-PRS according to the first information; wherein the first information includes at least one of the following information: aperiodic trigger information of a first DL-PRS of the first cell, and aperiodic trigger information of a second DL-PRS of the second cell; the first cell includes a serving cell of the terminal, and the second cell includes a non-serving cell or a neighbor cell of the terminal.

Optionally, the first receiving module 1301 is configured to receive the first information sent by the first cell through DCI.

Optionally, the second receiving module 1301 is configured to determine, according to the first aperiodic trigger offset information and the DCI, a slot number for transmitting a first DL-PRS resource set; receiving a first DL-PRS resource set according to the time slot number of the first DL-PRS resource set; or determining a time slot number for transmitting a first DL-PRS resource according to the first aperiodic trigger offset information and the DCI; and receiving the first DL-PRS resource according to the time slot number of the first DL-PRS resource.

Optionally, the second receiving module 1301 is configured to determine, according to the second aperiodic trigger offset information and the DCI, a slot number for transmitting a second DL-PRS resource set; receiving a second DL-PRS resource set according to the time slot number of the second DL-PRS resource set; or determining a time slot number for transmitting a second DL-PRS resource according to the second aperiodic trigger offset information and the DCI; and receiving the second DL-PRS resource according to the time slot number of the second DL-PRS resource.

As shown in fig. 14, an information transmission apparatus of an embodiment of the present invention includes: processor 1400, for reading the program in memory 1420, performs the following process:

acquiring first information;

transmitting the first information to a terminal;

A transceiver 1410 for receiving and transmitting data under the control of the processor 1400.

Wherein in fig. 14, a bus architecture may comprise any number of interconnected buses and bridges, and in particular one or more processors represented by the processor 1400 and various circuits of the memory represented by the memory 1420, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 1410 may be a number of elements, i.e., include a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 1400 is responsible for managing the bus architecture and general processing, and the memory 1420 may store data used by the processor 1400 in performing operations.

The processor 1400 is responsible for managing the bus architecture and general processing, and the memory 1420 may store data used by the processor 1400 in performing operations.

The processor 1400 is also configured to read the program and perform the following steps:

The apparatus may be applied to a first cell, such as a base station or a TRP.

Referring again to fig. 14, an information transmission apparatus of an embodiment of the present invention includes: processor 1400, for reading the program in memory 1420, performs the following process:

acquiring aperiodic trigger information of a second DL-PRS of a second cell;

The apparatus may be applied to a second cell, such as a base station or a TRP.

acquiring first information;

transmitting the first information to a first cell;

The device may be applied to a location management device such as an LMC or an LMF.

As shown in fig. 15, an information transmission apparatus of an embodiment of the present invention is applied to a terminal, and includes: processor 1500, for reading the program in memory 1520, performs the following process:

receiving first information sent by a first cell;

receiving DL-PRS according to the first information;

A transceiver 1510 for receiving and transmitting data under the control of the processor 1500.

Where in FIG. 15, a bus architecture may comprise any number of interconnected buses and bridges, with various circuits of the one or more processors, as represented by processor 1500, and the memory, as represented by memory 1520, being linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 1510 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium. The user interface 1530 may also be an interface capable of interfacing with an inscribed desired device for a different user device, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 1500 is responsible for managing the bus architecture and general processing, and the memory 1520 may store data used by the processor 1500 in performing operations.

The processor 1500 is further configured to read the program, and perform the following steps:

and receiving the first information sent by the first cell through DCI.

The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the above-described information transmission method embodiment, and can achieve the same technical effects, and in order to avoid repetition, the description is omitted here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. In light of such understanding, the technical solutions of the present invention may be embodied essentially or in part in the form of a software product stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in the various embodiments of the present invention.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims

1. An information transmission method applied to a first cell, comprising:

acquiring first information;

transmitting the first information to a terminal;

aperiodic trigger information of a first downlink positioning reference signal (DL-PRS) of the first cell and aperiodic trigger information of a second DL-PRS of the second cell;

the first cell comprises a serving cell of the terminal, and the second cell comprises a non-serving cell or a neighbor cell of the terminal;

2. The method of claim 1, wherein when the first information comprises aperiodic trigger information for a first DL-PRS, the acquiring the first information comprises:

3. The method of claim 1, wherein the acquiring the first information when the first information includes aperiodic trigger information for the second DL-PRS comprises:

4. The method of claim 3, wherein the aperiodic trigger information for the second DL-PRS is determined by the positioning management device or the aperiodic trigger information for the second DL-PRS is transmitted by the second cell to the positioning management device.

5. The method of claim 1, wherein the sending the first information to the terminal comprises:

transmitting the first information to the terminal through downlink control information DCI;

The DCI includes a DL-PRS request field for indicating and triggering a configuration state of at least one of the first DL-PRS and the second DL-PRS.

6. The method of claim 5, wherein each encoding point of the DL-PRS request field is to trigger a configuration state of one of the first DL-PRS and the second DL-PRS.

7. The method of claim 5 or 6, wherein the configuration state comprises at least one of DL-PRS resource set list information, DL-PRS resource set information, DL-PRS resource information.

8. The method of claim 5, wherein the DL-PRS request field is a field indicating a configuration state of a first DL-PRS or a configuration state of a second DL-PRS triggered;

9. The method of claim 5, wherein the DL-PRS request field is a field, the DL-PRS request field comprising a first subfield and a second subfield;

10. The method of claim 5, wherein the DCI comprises a first DL-PRS request field and a second DL-PRS request field;

11. The method of claim 1, wherein the aperiodic trigger information for the second DL-PRS comprises at least one of trigger timing information and second DL-PRS configuration information for the second DL-PRS.

12. The method of claim 11, wherein the trigger timing information of the second DL-PRS is second aperiodic trigger offset information;

13. An information transmission method applied to a second cell, comprising:

acquiring aperiodic trigger information of a second DL-PRS of a second cell;

transmitting the aperiodic trigger information of the second DL-PRS to a positioning management device, or transmitting the aperiodic trigger information of the second DL-PRS to a first cell;

14. The method of claim 13, wherein the transmitting the aperiodic trigger information for the second DL-PRS to the first cell comprises:

15. An information transmission method applied to a positioning management device, comprising:

acquiring first information;

transmitting the first information to a first cell;

the first cell comprises a serving cell of a terminal, and the second cell comprises a non-serving cell or a neighbor cell of the terminal;

16. The method of claim 15, wherein the acquiring the first information when the first information includes aperiodic trigger information for a second DL-PRS of a second cell comprises:

17. The method of claim 15, wherein the aperiodic trigger information for the second DL-PRS comprises at least one of trigger timing information and second DL-PRS configuration information for the second DL-PRS.

18. The method of claim 17, wherein the trigger timing information for the second DL-PRS is second aperiodic trigger offset information;

19. An information transmission method applied to a terminal, comprising the following steps:

receiving first information sent by a first cell;

receiving DL-PRS according to the first information;

20. The method of claim 19, wherein the receiving the first information sent by the first cell comprises:

and receiving the first information sent by the first cell through DCI.

21. The method of claim 19, wherein the receiving DL-PRS according to the first information comprises:

22. The method of claim 20, wherein the aperiodic trigger information for the second DL-PRS comprises at least one of trigger timing information and second DL-PRS configuration information for the second DL-PRS.

23. The method of claim 22, wherein the trigger timing information of the second DL-PRS is second aperiodic trigger offset information;

24. The method of claim 23, wherein the receiving DL-PRS according to the first information comprises:

25. An information transmission apparatus applied to a first cell, comprising:

the first acquisition module is used for acquiring first information;

26. An information transmission apparatus applied to a second cell, comprising:

a first sending module, configured to send, to a positioning management device, aperiodic trigger information of the second DL-PRS, or send, to a first cell, aperiodic trigger information of the second DL-PRS;

27. An information transmission apparatus applied to a positioning management device, comprising:

the first acquisition module is used for acquiring first information;

28. An information transmission apparatus applied to a terminal, comprising:

29. An information transmission device applied to a first cell, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is used for reading the program in the memory and executing the following processes:

acquiring first information;

transmitting the first information to a terminal;

30. The apparatus of claim 29, wherein the processor is further configured to read a program in the memory to perform the following:

Determining aperiodic trigger information of the first DL-PRS; or alternatively

31. The apparatus of claim 29, wherein the processor is further configured to read a program in the memory to perform the following:

32. The apparatus of claim 29, wherein the processor is further configured to read a program in the memory to perform the following:

33. The apparatus of claim 32, wherein the device comprises a plurality of sensors,

the DL-PRS request field is a field used for representing the configuration state of the triggered first DL-PRS or the configuration state of the triggered second DL-PRS; the number of bits occupied by the DL-PRS request field is selected from the set {0,1, …, N }, wherein N is a positive integer greater than or equal to 1; or alternatively

34. The apparatus of claim 29, wherein the aperiodic trigger information for the second DL-PRS comprises at least one of trigger timing information and second DL-PRS configuration information for the second DL-PRS;

35. An information transmission apparatus applied to a second cell, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is used for reading the program in the memory and executing the following processes:

acquiring aperiodic trigger information of a second DL-PRS of a second cell;

36. The apparatus of claim 35, wherein the processor is further configured to read a program in the memory to perform the following:

37. An information transmission device, applied to a positioning management device, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is used for reading the program in the memory and executing the following processes:

acquiring first information;

transmitting the first information to a first cell;

38. The apparatus of claim 37, wherein the processor is further configured to read a program in the memory to perform the following:

39. An information transmission apparatus, applied to a terminal, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is used for reading the program in the memory and executing the following processes:

receiving first information sent by a first cell;

receiving DL-PRS according to the first information;

40. The apparatus of claim 39, wherein the processor is further configured to read a program in the memory to perform the following:

41. The apparatus of claim 39, wherein the aperiodic trigger information for the second DL-PRS comprises at least one of trigger timing information and second DL-PRS configuration information for the second DL-PRS;

42. The apparatus of claim 41, wherein the processor is further configured to read a program in the memory to perform the following:

43. A computer-readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps in the information transmission method according to any one of claims 1 to 12; alternatively, the steps in the information transmission method according to any one of claims 13 to 14 are implemented; alternatively, the steps in an information transmission method according to any one of claims 15 to 18 are implemented; alternatively, the steps of the information transmission method according to any one of claims 19 to 24 are implemented.