CN115707096A

CN115707096A - Time error information updating method and related device

Info

Publication number: CN115707096A
Application number: CN202110904517.3A
Authority: CN
Inventors: 李成; 黄甦; 郭英昊
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2023-02-17
Also published as: WO2023011196A1

Abstract

The embodiment of the application discloses a method for updating time error information and a related device, comprising the following steps: the terminal device sends a first association relation and/or first indication information to the network device, the first association relation comprises an association relation between time error information and a positioning reference signal, the time error information is used for indicating the time error of the terminal device for sending the positioning reference signal, and the first indication information indicates whether the first association relation can be dynamically changed and/or supports updating and reporting. The network device can know whether the association relationship between the positioning reference signal and the time error changes dynamically and/or supports update reporting. The network equipment can use the time error associated with the positioning reference signal with higher precision to carry out positioning measurement, and the positioning precision is improved.

Description

Time error information updating method and related device

Technical Field

The present application relates to the field of communications technologies, and in particular, to a method for updating time error information and a related apparatus.

Background

The ability to position with high accuracy is one of the developing directions of future cellular positioning technology. At present, in some positioning technologies, it is necessary to obtain transmission time of signals between a terminal and different access network devices, and determine a position of the terminal according to the transmission time. The positioning accuracy of these positioning techniques depends on the accuracy of the acquired transmission time.

In the high-frequency millimeter wave frequency band, because the space loss of the transmission channel is relatively severe, the terminal device (or User Equipment (UE)) and the access network device usually adopt a plurality of antenna panels with different directions to transmit and receive signals, and the signal strength is enhanced through beam forming, so as to achieve the purpose of resisting channel fading. When a radio frequency link connected with the antenna panel receives and transmits signals, certain processing time delay exists, and the processing time delay can be calibrated, so that the access network equipment and the terminal equipment can keep synchronous. However, the processing delay is related to various factors (e.g., hardware parameters, quality, temperature, or noise), so that the processing delay cannot be accurately estimated, and therefore cannot be accurately calibrated, and a residual time error exists after calibration. Since different antenna panels are connected to different rf chains and are relatively independently installed and calibrated, different antenna panels (which may also be replaced with rf chains, rf channels, or antenna ports) tend to have different timing errors. The time error may vary over time for the same antenna panel.

The positioning process of the terminal device is realized by transceiving reference signals between the terminal device and a plurality of access network devices, and the terminal device can send the reference signals to the plurality of access network devices through one or more antenna panels. Therefore, the terminal device reports the association relationship between the reference signal and the time error to the network side.

Since the position or orientation of the terminal device may change, the terminal device may send a reference signal to the same access network device through different antenna panels during the positioning process of the terminal device. That is, the correlation between the reference signal and the antenna panel changes, and further, the correlation between the reference signal and the time error changes. However, the network side (access network device and positioning server) cannot sense the change, and the terminal device is still positioned by using the erroneous time error associated with the reference signal, which further reduces the positioning accuracy.

Disclosure of Invention

In a first aspect, an embodiment of the present application provides a method for updating time error information, including: the method comprises the steps that terminal equipment sends a first incidence relation and/or first indication information to network equipment, the first incidence relation comprises the incidence relation between time error information and a positioning reference signal, the time error information is used for indicating the time error of the terminal equipment for sending the positioning reference signal, and the first indication information indicates whether the first incidence relation can be dynamically changed and/or supports updating and reporting.

In a possible implementation manner, the terminal device may send only first indication information to the network device, and when the terminal device sends only the first indication information to the network device, the first indication information may further indicate that the first association relationship is Dynamic, "Static," or unknown, "Static," and the first indication information may indicate that the first association relationship cannot be currently obtained. And the terminal equipment sends the first association relation to the network equipment. Optionally, when the terminal device sends the first association relationship to the network device, the terminal device sends updated first indication information to the network device at the same time, where the updated first indication information indicates whether the first association relationship will change dynamically and/or supports update reporting.

In another possible implementation manner, the terminal device sends the first association relationship and the first indication information to the network device at the same time. Here, "simultaneously" may be understood as that the terminal device sends the first association relationship and the first indication information to the network device in the same signaling, and may also be understood as that the terminal device sends the first association relationship and the first indication information to the network device in two or more temporally adjacent signaling, respectively, which is not limited herein.

It is to be understood that the positioning reference signal according to the embodiments of the present application may also be a Positioning Reference Signal (PRS), a channel state information-reference signal (CSI-RS), a Tracking Reference Signal (TRS), or the like, and is not limited herein. For uplink positioning measurement, the positioning reference signal may be an SRS; for downlink positioning measurements, the positioning reference signal may be a PRS.

Different antenna panels (or different rf links/rf channels) have different time errors, that is, when different antenna panels (or different rf links/rf channels) are used to transmit and receive signals, different time of arrival (TOA) values measured by the antenna panels have different time errors.

It is understood that, since the processing delay is related to various factors (e.g., hardware parameters, quality, temperature, noise, etc.), and therefore the time error is also related to these various factors, the time error of transmitting and receiving signals by the same antenna panel (or the same rf link/rf channel) at different times is not exactly the same, but there is a correlation, that is, the time error of transmitting and receiving signals by the same antenna panel (or the same rf link/rf channel) at different times can be considered to be relatively stable (i.e., not changed much).

In the embodiment of the present application, the time error information is used to indicate the time error. The time error information is used for indicating the time error of the terminal equipment for sending the positioning reference signal.

Specifically, the time error information is used to indicate a time error corresponding to a radio frequency link through which the terminal device sends the positioning reference signal. Or, the time error information is used for indicating the time error corresponding to the antenna panel of the terminal device sending the positioning reference signal. Or, the time error information is used to indicate a time error corresponding to a radio frequency channel through which the terminal device sends the positioning reference signal.

In the embodiment of the application, the network device can timely acquire the association relationship between the positioning reference signal of the terminal device and the time error, and can also acquire whether the association relationship between the positioning reference signal and the time error is dynamically changed and/or whether update reporting is supported. The network equipment can perform positioning measurement by using the time error associated with the positioning reference signal with higher precision, and the positioning precision is improved.

With reference to the first aspect, in a possible implementation scheme of the first aspect, the first indication information is specifically used to indicate that the first association is dynamic or static, or indicate that the first association supports update reporting, or indicate that the first association does not support update reporting, where the dynamic first association indicates that the first association changes, and the static first association indicates that the first association does not change.

Specifically, whether the first association relationship of the first indication information changes dynamically or not is determined, for example: the first indication information indicates that the first association relationship is dynamic, and then the first association relationship changes dynamically; the first indication information indicates that the first association relationship is static, and then the first association relationship is not changed. The first association relationship is dynamic, and may also be understood as that the first association relationship is updated, and the terminal device reports the updated first association relationship or the changed first association relationship to the network device.

The first indication information indicates whether the first association supports update reporting, for example: and the first indication information indicates that the first association relation supports updating and reporting, and the terminal device reports the changed or updated first association relation to the network device after the first association relation in the terminal device is changed or updated. The first indication information indicates that the first association does not support update reporting, and then the first association in the terminal device is not changed or updated, or even if the first association in the terminal device is changed or updated, the terminal device does not report the changed or updated first association to the network device.

For example, the first indication information indicates that the first association relationship is static, and the first indication information may be "static"; the first indication information indicates that the first association relationship is dynamic, and the first indication information may be "dynamic".

In yet another example, the first indication information indicates that the first association is static, then the first indication information may be "1"; the first indication information indicates that the first association is dynamic, and the first indication information may be "0".

In a possible implementation manner, when the first association relationship is static (or the first association relationship is not updated or changed), the terminal device sends only the first association relationship to the network device.

With reference to the first aspect, in a possible implementation manner of the first aspect, when the first indication information indicates that the first association relationship is dynamic, the network device includes an access network device and a positioning server, and further includes:

the terminal equipment sends a first association relation and first indication information to the access network equipment, wherein the first association relation is initially reported, and the first indication information indicates that the first association relation is dynamic (or supports updating);

and the terminal equipment sends the updated first incidence relation or the changed first incidence relation to a positioning server.

With reference to the first aspect, in a possible implementation of the first aspect, when the first indication information indicates that the first association is dynamic, the terminal device sends the first association and/or the first indication information to the network device, where the network device includes an access network device and a location server, and the method includes:

in a possible implementation manner, the terminal device only sends the first indication information to the access network device, that is, does not send the initial first association relationship, where the first indication information indicates that the initial first association relationship is dynamic. The terminal device sends the initial first association relationship to the access network device.

Or in another possible implementation manner, the terminal device sends the first indication information and a first association relation (which may be understood as an initial first association relation) to the access network device, where the first indication information indicates that the initial first association relation is dynamic;

when the first association relationship changes or is updated, the terminal device sends the updated first association relationship or the changed first association relationship to the positioning server.

With reference to the first aspect, in a possible implementation of the first aspect, when the first indication information indicates that the first association is static, the terminal device sends the first association and/or the first indication information to the network device, where the network device includes an access network device and a location server, and the method includes:

the terminal equipment sends the first association relation to the access network equipment;

and after receiving the first association relationship, the access network equipment forwards the first association relationship to the positioning server.

With reference to the first aspect, in a possible implementation of the first aspect, the time error information is used to indicate a time error corresponding to a radio frequency link through which the terminal device sends the positioning reference signal, or a time error corresponding to an antenna panel through which the positioning reference signal is sent; the time error information includes one or more of: an index of the time error, a magnitude of the time error, a range of the time error, or a variance of the time error.

The index of the time error: and the terminal equipment and the network equipment respectively maintain the mapping relation between the index of the time error and the time error.

Regarding the magnitude of the time error: illustratively, the time error information may be 0.2 (nanoseconds/ns) or 0.5ns, etc., without limitation.

With respect to the range of time error: illustratively, the time error information may be: "[ 0-0.5) (nanoseconds)" or "[ 0.5-1) (nanoseconds)" etc., without limitation herein.

Variance with respect to time error: the time error information may also be a variance calculated over a plurality of time errors over a period of time.

With reference to the first aspect, in a possible implementation scheme of the first aspect, the first indication information indicates that the first association relationship may change or support updating, and the terminal device sends the updated first association relationship or the changed first association relationship to the access network device.

With reference to the first aspect, in a possible implementation of the first aspect, the first association further includes:

a time window of the time error indicating a time range over which the time error is associated with the positioning reference signal. The time window may also be referred to as a time range, a time period, or the like, and is not limited herein.

It will be appreciated that the time window of time errors may comprise a past time window in addition to a future time window (i.e. a time window indicating a future time period within which the positioning reference signal has an association with the time error information). The past time window refers to a period of time in the past, and the positioning reference signal in the time window has an association relationship with the time error information.

With reference to the first aspect, in a possible implementation of the first aspect, the terminal device receives a location capability request message from the location server; the terminal equipment sends positioning capacity information to the positioning server according to the positioning request message, wherein the positioning capacity information comprises one or more of the following items: the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the maximum number of the time error information supported by the terminal equipment, and whether the incidence relation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

Illustratively, the positioning capability information includes frequency point information that the terminal device supports time error information measurement, such as n1, n2, n4 and n38 frequency points, in which the terminal device supports time error information measurement.

In another example, the amount of the time error information supported by the terminal device at each frequency point is, for example: taking n38 frequency points as an example, in the n38 frequency points, the number of the time error information supported by the terminal device is 3, that is, the time error information supported and obtained by the terminal device is 3, for example, "TEG1, TEG2, and TEG3".

In another example, the maximum number of the time error information supported by the terminal device, for example: the measurement of the time error information of the frequency points of n1, n2, n4 and n38 is supported in the terminal device, while the number of the time error information supported in n1 is 2, the number of the time error information supported in n2 is 3, the number of the time error information supported in n4 is 1, and the number of the time error information supported in n38 is 5, the maximum number of the time error information supported by the terminal device is 2+3+1+5=11.

In yet another example, the location capability information includes: whether the correlation between the positioning reference signal and the time error information supports updating reporting or dynamic detection or not. Specifically, when the positioning capability information includes that the correlation between the positioning reference signal and the time error information does not support update reporting, the first correlation reported by the terminal device is static or cannot be updated; and when the positioning capability information comprises the correlation between the positioning reference signal and the time error information to support updating and reporting, the first correlation reported by the terminal equipment is dynamic or can be updated.

In a possible implementation manner, when a network device (e.g., a positioning server) sends the positioning capability request message to a terminal device through a message of an LTE Positioning Protocol (LPP), the terminal device sends the positioning capability information to the network device through a message of an LPP protocol. For example: the terminal device sends the location capability information to the location server through an LPP capability provision message "LPP provider capability".

It should be noted that, in the embodiment of the present application, the type of the message carrying the location capability request message and the location capability information is not limited.

With reference to the first aspect, in a possible implementation of the first aspect, the first association may be an association of a positioning reference signal and time error information. The first association relationship may also be an association relationship between a port of a positioning reference signal (e.g., SRS port) and time error information. The first association relationship may also be an association relationship between a resource of the positioning reference signal (e.g., a resource carrying the SRS) and the time error information. The first association relationship may also be an association relationship between a resource set (e.g., resource sets (resource sets) carrying SRS) of the positioning reference signal and the time error information. It should be noted that the first association relationship may also be an association relationship between resources of other granularities for carrying the positioning reference signal and the time error information, and the first association relationship may also be an association relationship between an antenna panel or a radio frequency link for sending the positioning reference signal and the time error information, which is not limited herein.

For example: the first incidence relation is the incidence relation between the positioning reference signal of one or more frequency points and the time error information.

With reference to the first aspect, in a possible implementation of the first aspect, the terminal device receives a first request message from the access network device, where the first request message indicates that the terminal device sends the first association relationship; and the terminal equipment sends the first association relation and the first indication information to the access network equipment according to the first request message.

Specifically, the terminal device receives a first request message from the access network device, where the first request message indicates that the terminal device sends the first association relationship; and the terminal equipment sends the first association relation and the first indication information to the access network equipment according to the first request message.

In a possible implementation manner, the access network device triggers the terminal device to report the first association relationship and/or the first indication information.

In another possible implementation manner, after receiving the indication of the positioning server, the access network device further instructs the terminal device to report the first association relationship and/or the first indication information.

For example, the first request message may be carried in the configuration information of the positioning reference signal, or the first request message and the configuration information of the positioning reference signal are issued to the terminal device together. The first request message may be transmitted to the terminal device through RRC signaling. RRC signaling for example: SRS Reconfiguration Message (SRS Reconfiguration Message).

In yet another example, the access network device receives a third request message from the positioning server, where the third request message instructs the access network device to send the first request message to the terminal device. Illustratively, the third request message may be an NR positioning protocol a (NRPPa) message, such as: NR positioning protocol a positioning information Request message "NRPPa positioning information Request".

With reference to the first aspect, in a possible implementation of the first aspect, the terminal device receives a second request message from the location server, where the second request message instructs the terminal device to send the first association relationship; and the terminal equipment sends the one or more groups of first association relations and the first indication information to the positioning server according to the second request message.

Specifically, the terminal device receives a second request message from the location server, where the second request message indicates that the terminal device sends the first association relationship; and the terminal equipment sends the one or more groups of first association relations and the first indication information to the positioning server according to the second request message. Specifically, the one or more sets of first association relationships and the first indication information may be forwarded through the access network device.

The second request message may be, for example, an LPP message, or other message. For example: the LPP positioning information request message "LPP requestloadlocationinformation".

With reference to the first aspect, in a possible implementation of the first aspect, when the terminal device sends only the first indication information to the network device, the first indication information is used to indicate that the first association is determined after the terminal device sends the positioning reference signal.

Specifically, when the terminal device needs to send the positioning reference signal and then can determine the time error information corresponding to the positioning reference signal, the terminal device may first send only the first indication information to the network device. The first indication information indicates that the associated first association relationship is static or dynamic. After the terminal device sends the positioning reference signal, the terminal device determines time error information corresponding to the positioning reference signal, and the terminal device further determines an actual first association relation. After the terminal device determines the actual first association relationship, the terminal device sends the first association relationship to the network device. After receiving the first association relationship, the network device determines whether the first association relationship is dynamic or static according to the previously received first indication information.

For example, the terminal device may send only first indication information to the network device, and when the terminal device sends only the first indication information to the network device, the first indication information may also indicate that the first association relationship is Dynamic, "Static," or unknown, "where the first indication information may indicate that the first association relationship cannot be currently obtained, and after the terminal device needs to send a positioning reference signal to the network device, time error information corresponding to the positioning reference signal is determined, so as to determine the first association relationship, that is, the association relationship between the positioning reference signal and the time error information. And the terminal equipment sends the first association relation to the network equipment. Optionally, when the terminal device sends the first association relationship to the network device, the terminal device sends updated first indication information to the network device at the same time, where the updated first indication information indicates whether the first association relationship will change dynamically and/or supports update reporting.

With reference to the first aspect, in a possible implementation of the first aspect, the terminal device sends the positioning reference signal to the network device; the terminal equipment determines the first association relation according to the positioning reference signal; and the terminal equipment sends the first association relation to the network equipment.

Specifically, the terminal device sends a positioning reference signal to one or more access network devices. And one or more access network devices complete the positioning measurement of the terminal device together with the positioning server according to the positioning reference signal from the terminal device and the first association relation.

With reference to the first aspect, in a possible implementation scheme of the first aspect, the terminal device receives first configuration information from the access network device, where the first configuration information indicates that, when detecting that the first association relationship is updated or changed, the terminal device sends the updated first association relationship or the changed first association relationship to the access network device.

The terminal device receives first configuration information from the access network device, and the first configuration information indicates that the terminal device sends the updated first association relationship or the changed first association relationship to the access network device when detecting that the first association relationship is updated or changed. Further, the access network device receives the updated first association relationship or the changed first association relationship, and the access network device may send the updated first association relationship or the changed first association relationship to the positioning server.

Optionally, the first configuration information may further indicate that, when the first association relation fails, for example, a time window of a time error in the first association relation ends (or expires), the terminal device sends a new first association relation to the network device.

Optionally, the first configuration information may further indicate that the terminal device reports the first association periodically. For example, reporting the first association every 100 seconds. Optionally, at this time, the first association is not reported when the first association is static, or the terminal device reports the first association periodically according to the indication of the first configuration information regardless of whether the first association is static or dynamic (i.e., whether the first association is updated to support reporting).

For example, the first configuration information may be configured together with information that the access network device configures the positioning reference signal to the terminal device, for example: and the access network equipment sends RRC signaling to the terminal equipment, wherein the RRC signaling comprises an SRS reconfiguration message, and the RRC signaling is used for configuring the positioning reference signal of the terminal equipment. The RRC signaling also includes first configuration information.

In yet another example, the access network device may separately send the first configuration information to the terminal device. The first configuration information is sent to the terminal device, for example, by RRC signaling.

With reference to the first aspect, in a possible implementation of the first aspect, the terminal device receives second configuration information from the location server, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the location server, and the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

When the network device is a positioning server, the terminal device receives second configuration information from the positioning server, and the second configuration information indicates that the terminal device sends the updated first association relationship or the changed first association relationship to the access network device when detecting that the first association relationship is updated or changed. Further, the access network device receives the updated first association relationship or the changed first association relationship, and the access network device may send the updated first association relationship or the changed first association relationship to the positioning server.

Or when detecting that the first association relationship is updated or changed, the terminal device sends the updated first association relationship or the changed first association relationship to the positioning server according to the second configuration information. The terminal device may also forward the updated first association relationship or the changed first association relationship through the access network device.

Optionally, the second configuration information may further indicate that, when the first association relation fails, for example, a time window of a time error in the first association relation ends (or expires), the terminal device sends a new first association relation to the network device.

For example, the second configuration information may be carried in the following information sent by the positioning server to the terminal device: LPP location information request message "LPP RequestLoccatonInfo". The LPP location information request message may also be forwarded by the access network device to the terminal device.

In a second aspect, an embodiment of the present application provides a method for updating time error information, including: the access network equipment receives a first association relation and/or first indication information from the terminal equipment, wherein the first association relation comprises an association relation between time error information and a positioning reference signal, the time error information is used for indicating a time error of the terminal equipment for sending the positioning reference signal, and the first indication information indicates whether the first association relation is dynamically changed and/or whether update reporting is supported.

In a possible implementation manner, the access network device receives first indication information from the terminal device, and when the terminal device only sends the first indication information to the access network device, the first indication information may also indicate that the first association relationship is Dynamic, "Static," or unknown, "Static," and the first indication information may indicate that the first association relationship cannot be currently obtained. And the terminal equipment sends the first association relation to the access network equipment. Optionally, when the terminal device sends the first association relationship to the access network device, the terminal device sends updated first indication information to the access network device at the same time, where the updated first indication information indicates whether the first association relationship will dynamically change and/or support update reporting.

In another possible implementation manner, the terminal device sends the first association relationship and the first indication information to the access network device at the same time. Here, "simultaneously" may be understood as that the terminal device sends the first association relationship and the first indication information to the access network device in the same signaling, or may be understood as that the terminal device sends the first association relationship and the first indication information to the access network device in two or more temporally adjacent signaling, respectively, which is not limited here.

It is to be understood that the positioning reference signals referred to in the embodiments of the present application may also be PRS, channel state information reference signals, or tracking reference signals, and the like, which is not limited herein. For uplink positioning measurement, the positioning reference signal may be an SRS; for downlink positioning measurements, the positioning reference signal may be a PRS.

Different antenna panels (or different rf links/rf channels) have different time errors, that is, when different antenna panels (or different rf links/rf channels) are used to transmit and receive signals, different time errors exist in the measured different arrival time values.

In the embodiment of the application, the access network device can timely acquire the association relationship between the positioning reference signal of the terminal device and the time error, and the access network device can also acquire whether the association relationship between the positioning reference signal and the time error is dynamically changed and/or whether update reporting is supported. The access network equipment can perform positioning measurement by using the time error associated with the positioning reference signal with higher precision, and the positioning precision is improved.

With reference to the second aspect, in a possible implementation scheme of the second aspect, the first indication information is specifically used to indicate that the first association is dynamic or static, or indicate that the first association supports update reporting, or indicate that the first association does not support update reporting, where the dynamic first association indicates that the first association changes, and the static first association indicates that the first association does not change.

Specifically, whether the first association relationship of the first indication information changes dynamically or not is determined, for example: the first indication information indicates that the first association relationship is dynamic, and then the first association relationship changes dynamically; the first indication information indicates that the first association relationship is static, and then the first association relationship is not changed. The first association relationship is dynamic, and it can also be understood that the first association relationship is updated, and the terminal device reports the updated first association relationship or the changed first association relationship to the network device.

The first indication information indicates whether the first association supports update reporting, for example: the first indication information indicates that the first association relation supports update reporting, and then the terminal device reports the changed or updated first association relation to the network device after the first association relation in the terminal device is changed or updated. The first indication information indicates that the first association does not support update reporting, and then the first association in the terminal device is not changed or updated, or even if the first association in the terminal device is changed or updated, the terminal device does not report the changed or updated first association to the network device.

For example, the first indication information indicates that the first association relationship is static, and then the first indication information may be "static"; the first indication information indicates that the first association relationship is dynamic, and the first indication information may be "dynamic".

In yet another example, the first indication information indicates that the first association relationship is static, then the first indication information may be "1"; the first indication information indicates that the first association is dynamic, and the first indication information may be "0".

In a possible implementation manner, when the first association is static (or the first association is not updated or changed), the terminal device sends only the first association to the network device.

With reference to the second aspect, in a possible implementation manner of the second aspect, when the first indication information indicates that the first association relationship is dynamic, the method further includes:

the access network equipment receives a first association relation and first indication information from the terminal equipment, wherein the first association relation is an initially reported association relation, and the first indication information indicates that the first association relation is dynamic (or supports updating);

and the terminal equipment sends the updated first incidence relation or the changed first incidence relation to a positioning server. That is, the access network device does not receive the updated first association relationship or the changed first association relationship from the terminal device.

With reference to the second aspect, in a possible implementation manner of the second aspect, when the first indication information indicates that the first association relationship is dynamic, the method includes:

in a possible implementation manner, the access network device receives the first indication information from the terminal device, where the first indication information indicates that the initial first association relationship is dynamic. And after receiving the first indication information, the access network equipment forwards the first indication information to the positioning server.

Or in another possible implementation manner, the access network device receives the first indication information and a first association relationship (which may be understood as an initial first association relationship) from the terminal device, where the first indication information indicates that the initial first association relationship is dynamic;

when the first association relationship changes or is updated, the terminal device sends the updated first association relationship or the changed first association relationship to the positioning server. That is, the access network device does not receive the updated first association relationship or the changed first association relationship from the terminal device.

With reference to the second aspect, in a possible implementation manner of the second aspect, when the first indication information indicates that the first association relationship is static, the method includes:

the access network equipment receives the first association relation from the terminal equipment;

With reference to the second aspect, in a possible implementation manner of the second aspect, the time error information is used to indicate a time error corresponding to a radio frequency link through which the terminal device sends the positioning reference signal, or a time error corresponding to an antenna panel through which the positioning reference signal is sent; the time error information includes one or more of: an index of the time error, a magnitude of the time error, a range of the time error, or a variance of the time error.

With reference to the second aspect, in a possible implementation of the second aspect, the first indication information indicates that the first association relation may change or support updating, and the access network device receives the updated first association relation or the changed first association relation from the terminal device.

With reference to the second aspect, in a possible implementation manner of the second aspect, the first association further includes: a time window of the time error indicating a time range over which the time error is associated with the positioning reference signal.

A time window of the time error indicating a time range over which the time error is associated with the positioning reference signal. The time window may also be referred to as a time range, a time period, etc., and is not limited herein.

With reference to the second aspect, in a possible implementation of the second aspect, the access network device sends a first request message to the terminal device, where the first request message indicates that the terminal device sends the first association relationship; and the access network equipment receives the first association relation and the first indication information sent by the terminal equipment.

For example, the first request message may be carried in the configuration information of the positioning reference signal, or the first request message and the configuration information of the positioning reference signal are issued to the terminal device together. The first request message may be sent to the terminal device through RRC signaling. RRC signaling for example: SRS Reconfiguration Message (SRS Reconfiguration Message).

With reference to the second aspect, in a possible implementation scheme of the second aspect, the access network device sends first configuration information to the terminal device, where the first configuration information indicates that, when detecting that the first association relationship is updated or changed, the terminal device sends the updated first association relationship or the changed first association relationship to the access network device.

Specifically, the first configuration information indicates that, when detecting that the first association relationship is updated or changed, the terminal device sends the updated first association relationship or the changed first association relationship to the access network device. Further, the access network device receives the updated first association relationship or the changed first association relationship, and the access network device may send the updated first association relationship or the changed first association relationship to the positioning server.

For example, the first configuration information may be configured by the access network device when configuring the information of the positioning reference signal to the terminal device, for example: and the access network equipment sends RRC signaling to the terminal equipment, wherein the RRC signaling comprises an SRS reconfiguration message, and the RRC signaling is used for configuring the positioning reference signal of the terminal equipment. The RRC signaling also includes first configuration information.

In yet another example, the access network device may send the first configuration information to the terminal device separately. The first configuration information is sent to the terminal device, for example, by RRC signaling.

With reference to the second aspect, in a possible implementation manner of the second aspect, the first association relationship may be an association relationship of a positioning reference signal and time error information. The first association relationship may also be an association relationship between a port of a positioning reference signal (e.g., SRS port) and time error information. The first association relationship may also be an association relationship between a resource carrying the positioning reference signal (e.g., resource carrying SRS) and the time error information. The first association relationship may also be an association relationship between resource sets of positioning reference signals (e.g., resource sets (resource sets) carrying SRS) and time error information. It should be noted that the first association relationship may also be an association relationship between resources of other granularities carrying the positioning reference signal and the time error information, and the first association relationship may also be an association relationship between an antenna panel or a radio frequency link that transmits the positioning reference signal and the time error information, which is not limited herein.

In a third aspect, an embodiment of the present application provides a method for updating time error information, including: the method comprises the steps that a positioning server receives a first incidence relation and/or first indication information from terminal equipment, the first incidence relation comprises an incidence relation between time error information and a positioning reference signal, the time error information is used for indicating a time error of the terminal equipment for sending the positioning reference signal, and the first indication information indicates whether the first incidence relation can be dynamically changed and/or supports updating and reporting.

In a possible implementation manner, the positioning server receives first indication information from the terminal device, and when the terminal device only sends the first indication information to the positioning server, the first indication information may also indicate that the first association relationship is Dynamic, "Static," or unknown, "Static," and the first indication information may indicate that the first association relationship cannot be currently obtained. And the terminal equipment sends the first association relation to a positioning server. Optionally, when the terminal device sends the first association relationship to the positioning server, the terminal device sends updated first indication information to the positioning server at the same time, where the updated first indication information indicates whether the first association relationship will dynamically change and/or support update reporting.

In another possible implementation manner, the terminal device sends the first association relationship and the first indication information to the positioning server at the same time. Here, "simultaneously" may be understood as that the terminal device sends the first association relationship and the first indication information to the positioning server in the same signaling, and may also be understood as that the terminal device sends the first association relationship and the first indication information to the positioning server in two or more temporally adjacent signaling, respectively, which is not limited herein.

It can be understood that the positioning reference signals related to the embodiments of the present application may also be PRS, channel state information reference signals, or tracking reference signals, and the like, which is not limited herein. For uplink positioning measurement, the positioning reference signal may be an SRS; for downlink positioning measurements, the positioning reference signal may be a PRS.

It is understood that, since the processing delay is related to various factors (e.g., hardware parameters, quality, temperature, noise, etc.), and therefore, the time error is also related to these various factors, the time error of transmitting and receiving signals at different times of the same antenna panel (or the same rf link/rf channel) is not exactly the same, but there is a correlation, that is, the time error of transmitting and receiving signals at different times of the same antenna panel (or the same rf link/rf channel) can be considered to be relatively stable (i.e., not changed much).

Specifically, the time error information is used to indicate a time error corresponding to a radio frequency link through which the terminal device sends the positioning reference signal. Or, the time error information is used for indicating the time error corresponding to the antenna panel of the terminal device for sending the positioning reference signal. Or, the time error information is used to indicate a time error corresponding to a radio frequency channel through which the terminal device sends the positioning reference signal.

In the embodiment of the application, the positioning server can timely acquire the association relationship between the positioning reference signal of the terminal device and the time error, and can also acquire whether the association relationship between the positioning reference signal and the time error is dynamically changed and/or whether update reporting is supported. The positioning server can use the time error associated with the positioning reference signal with higher precision to perform positioning measurement, and the positioning precision is improved.

With reference to the third aspect, in a possible implementation scheme of the third aspect, the first indication information is specifically used to indicate that the first association is dynamic or static, or indicate that the first association supports update reporting, or indicate that the first association does not support update reporting, where the dynamic first association indicates that the first association changes, and the static first association indicates that the first association does not change.

The first indication information indicates whether the first association relation supports update reporting, for example: and the first indication information indicates that the first association relation supports updating and reporting, and the terminal device reports the changed or updated first association relation to the network device after the first association relation in the terminal device is changed or updated. If the first indication information indicates that the first association does not support update reporting, the first association in the terminal device will not change or update, or even if the first association in the terminal device changes or updates, the terminal device will not report the changed or updated first association to the network device.

In yet another example, the first indication information indicates that the first association relationship is static, then the first indication information may be "1"; the first indication information indicates that the first association relationship is dynamic, and the first indication information may be "0".

With reference to the third aspect, in a possible implementation manner of the third aspect, when the first indication information indicates that the first association is static, the positioning server receives the first association from the terminal device and/or the first indication information, and the method includes: and the positioning server receives the first association relation forwarded by the access network equipment, wherein the first association relation comes from the terminal equipment.

With reference to the third aspect, in a possible implementation of the third aspect, when the first indication information indicates that the first association relationship is dynamic, the method further includes: and the positioning server receives the updated first incidence relation or the changed first incidence relation from the terminal equipment.

With reference to the third aspect, in a possible implementation of the third aspect, the time error information is used to indicate a time error corresponding to a radio frequency link through which the terminal device transmits the positioning reference signal, or a time error corresponding to an antenna panel through which the positioning reference signal is transmitted; the time error information includes one or more of: an index of the time error, a magnitude of the time error, a range of the time error, or a variance of the time error.

With reference to the third aspect, in a possible implementation scheme of the third aspect, the first indication information indicates that the first association relation may change or support updating, and the location server receives the updated first association relation or the changed first association relation from the terminal device.

With reference to the third aspect, in a possible implementation of the third aspect, the first association relationship further includes: a time window of the time error indicating a time range over which the time error is associated with the positioning reference signal.

A time window of the time error indicating a time range over which the time error is correlated with the positioning reference signal. The time window may also be referred to as a time range, a time period, or the like, and is not limited herein.

It will be appreciated that the time window of time errors may comprise a past time window in addition to a future time window (i.e. a time window indicating a future time period within which the positioning reference signal has an association with the time error information). The past time window refers to a period of time in the past, and the positioning reference signal in the time window has a correlation with the time error information.

With reference to the third aspect, in a possible implementation of the third aspect, the location server sends a location capability request message to the terminal device; the positioning server receives positioning capability information from the terminal equipment, wherein the positioning capability information comprises one or more of the following items: the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the maximum number of the time error information supported by the terminal equipment, and whether the incidence relation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

With reference to the third aspect, in a possible implementation of the third aspect, the positioning server sends a second request message to the terminal device, where the second request message indicates that the terminal device sends the first association relationship.

Specifically, the second request message indicates the terminal device to send the first association relationship; and the terminal equipment sends the one or more groups of first association relations and the first indication information to the positioning server according to the second request message. Specifically, the one or more sets of first association relationships and the first indication information may be forwarded through the access network device. The second request message may be, for example, an LPP message, or other message. For example: the LPP location information request message "LPP requestlocationinformation".

With reference to the third aspect, in a possible implementation of the third aspect, the positioning server sends second configuration information to the terminal device, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the positioning server, and the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

Or, when detecting that the first association relationship is updated or changed, the terminal device sends the updated first association relationship or the changed first association relationship to the positioning server according to the second configuration information. The terminal device may also forward the updated first association relationship or the changed first association relationship through the access network device.

For example, the second configuration information may be carried in the following information that the positioning server sends to the terminal device: LPP location information request message "LPP RequestLoccatonInfo". The LPP location information request message may also be forwarded by the access network device to the terminal device.

In a fourth aspect, an embodiment of the present application provides a communication apparatus, where the communication apparatus is a terminal device, and the communication apparatus includes:

a transceiver module, configured to send the first association relationship and/or the first indication information to the network device,

the first association relationship comprises an association relationship between time error information and a positioning reference signal, the time error information is used for indicating a time error of the terminal equipment for sending the positioning reference signal,

the first indication information indicates whether the first association relation is dynamically changed and/or whether update reporting is supported.

In a possible implementation manner, the time error information is used to indicate a time error corresponding to a radio frequency link through which the terminal device sends the positioning reference signal, or a time error corresponding to an antenna panel through which the positioning reference signal is sent; the time error information includes one or more of: an index of the time error, a magnitude of the time error, a range of the time error, or a variance of the time error.

In a possible implementation manner, the first indication information is specifically used to indicate that the first association is dynamic or static, or indicate that the first association supports updated reporting, or indicate that the first association does not support updated reporting, where the dynamic first association indicates that the first association changes, and the static first association indicates that the first association does not change.

In a possible implementation manner, the transceiver module is further configured to send the updated first association relationship or the changed first association relationship to a positioning server when the first indication information indicates that the first association relationship is dynamic.

In a possible implementation manner, the transceiver module is further configured to send the first indication information to the access network device;

and the transceiver module is further used for sending the first association relation to the positioning server.

In a possible implementation manner, the transceiver module is further configured to send the first association to the access network device when the first indication information indicates that the first association is static, so that the access network device forwards the first association to the location server.

In a possible implementation manner, the transceiver module is further configured to send the updated first association relationship or the changed first association relationship to the access network device, where the first indication information indicates that the first association relationship may change or support updating.

In a possible implementation manner, the first association further includes: a time window of the time error indicating a time range over which the time error is associated with the positioning reference signal.

In a possible implementation manner, the transceiver module is further configured to receive a location capability request message from the location server;

a transceiver module, further configured to send, to the location server, location capability information according to the location request message, where the location capability information includes one or more of the following:

the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the maximum number of the time error information supported by the terminal equipment, and whether the incidence relation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

In a possible implementation manner, the transceiver module is further configured to receive a first request message from the access network device, where the first request message indicates that the terminal device sends the first association relationship;

the transceiver module is further configured to send the first association relationship and the first indication information to the access network device according to the first request message.

In a possible implementation manner, the transceiver module is further configured to receive a second request message from the positioning server, where the second request message indicates the terminal device to send the first association relationship;

the transceiver module is further configured to send the one or more sets of first association relationships and the first indication information to the location server according to the second request message.

In a possible implementation manner, when the transceiver module only sends the first indication information to the network device, the first indication information is used to indicate that the first association relationship is determined after the terminal device sends the positioning reference signal.

In a possible implementation manner, the transceiver module is further configured to send the positioning reference signal to the network device;

the processing module is used for determining the first association relation according to the positioning reference signal;

the transceiver module is further configured to send the first association relationship to the network device.

In a possible implementation manner, the transceiver module is further configured to receive first configuration information from the access network device, where the first configuration information indicates that the terminal device sends the updated first association relationship or the changed first association relationship to the access network device when detecting that the first association relationship is updated or changed.

In a possible implementation manner, the transceiver module is further configured to receive second configuration information from the positioning server, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the positioning server, and the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

In a fifth aspect, an embodiment of the present application provides a communication apparatus, where the communication apparatus is an access network device, and the communication apparatus includes:

a transceiver module, configured to receive the first association relationship and/or the first indication information from the terminal device,

In a possible implementation manner, the time error information is used to indicate a time error corresponding to a radio frequency link through which the terminal device sends the positioning reference signal, or a time error corresponding to an antenna panel through which the positioning reference signal is sent;

the time error information includes one or more of: an index of the time error, a magnitude of the time error, a range of the time error, or a variance of the time error.

In a possible implementation manner, the transceiver module is further configured to receive the first association relationship from the terminal device when the first indication information indicates that the first association relationship is static;

and the transceiver module is further used for forwarding the first association relation to a positioning server.

In a possible implementation manner, the transceiver module is further configured to receive the first indication information from the terminal device;

the transceiver module is further configured to forward the first indication information to a location server.

In a possible implementation manner, the first indication information indicates that the first association relationship may change or support updating, and the transceiver module is further configured to receive the updated first association relationship or the changed first association relationship from the terminal device.

In a possible implementation manner, the transceiver module is further configured to send a first request message to the terminal device, where the first request message indicates that the terminal device sends the first association relationship;

and the transceiver module is further configured to receive the first association relationship and the first indication information sent by the terminal device.

In a possible implementation manner, the transceiver module is further configured to send first configuration information to the terminal device, where the first configuration information indicates that, when the terminal device detects that the first association relationship is updated or changed, the updated first association relationship or the changed first association relationship is sent to the access network device.

In a sixth aspect, an embodiment of the present application provides a communication apparatus, where the communication apparatus is a location server, and the communication apparatus includes:

the transceiver module is further configured to receive a first association relationship and/or first indication information from a terminal device, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of the terminal device sending the positioning reference signal, and the first indication information indicates whether the first association relationship will change dynamically and/or support update reporting.

In a possible implementation manner, the transceiver module is further configured to receive the first association forwarded by the access network device when the first indication information indicates that the first association is static, where the first association is from the terminal device.

In a possible implementation manner, the transceiver module is further configured to receive the updated first association relationship or the changed first association relationship from the terminal device when the first indication information indicates that the first association relationship is dynamic.

In a possible implementation manner, the transceiver module is further configured to indicate that the first association relationship may change or support updating by the first indication information, and receive the updated first association relationship or the changed first association relationship from the terminal device.

In a possible implementation manner, the transceiver module is further configured to send a location capability request message to the terminal device;

a transceiver module, further configured to receive positioning capability information from the terminal device, where the positioning capability information includes one or more of the following: the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the number of the maximum time error information supported by the terminal equipment, and whether the correlation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

In a possible implementation manner, the transceiver module is further configured to send a second request message to the terminal device, where the second request message indicates that the terminal device sends the first association relationship.

In a possible implementation manner, the transceiver module is further configured to send second configuration information to the terminal device, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the location server, and the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

In a seventh aspect, an embodiment of the present application proposes a communication system, where the communication system includes the communication apparatus (terminal device) according to the fourth aspect and the communication apparatus (access network device) according to the fifth aspect.

Specifically, the terminal device sends a first association relationship and/or first indication information to the access network device, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of sending the positioning reference signal by the terminal device, and the first indication information indicates whether the first association relationship changes dynamically and/or supports update reporting.

The access network equipment receives the first association relation and/or the first indication information from the terminal equipment.

In a possible implementation manner, the terminal device is configured to execute any one of the possible implementation manners of the first aspect. The access network apparatus is configured to implement any one of the possible implementations of the second aspect.

In an eighth aspect, an embodiment of the present application proposes a communication system including the communication apparatus (terminal device) according to the fourth aspect and the communication apparatus (positioning server) according to the sixth aspect.

Specifically, the terminal device sends a first association relationship and/or first indication information to the positioning server, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of the terminal device sending the positioning reference signal, and the first indication information indicates whether the first association relationship will change dynamically and/or support update reporting.

And the positioning server receives the first association relation and/or the first indication information from the terminal equipment.

In a possible implementation manner, the terminal device is configured to execute any one of the possible implementation manners of the first aspect. The positioning server is configured to implement any one of the possible implementations of the third aspect.

In a ninth aspect, an embodiment of the present application proposes a communication system, which includes the communication apparatus (terminal device) in the fourth aspect, the communication apparatus (access network device) in the fifth aspect, and the communication apparatus (positioning server) in the sixth aspect.

Specifically, the terminal device sends a first association relationship and/or first indication information to the access network device, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of the terminal device sending the positioning reference signal, and the first indication information indicates whether the first association relationship will change dynamically and/or support update reporting.

The access network equipment forwards the first association relation and/or the first indication information from the terminal equipment to the positioning server.

In a possible implementation manner, the terminal device is configured to execute any one of the possible implementation manners of the first aspect. The access network device is configured to implement any one of the possible implementations of the second aspect. The positioning server is configured to perform any one of the possible implementations of the third aspect.

In a tenth aspect, embodiments of the present application provide a communication apparatus, where the communication apparatus may implement the functions performed by the terminal device and the network device in the methods according to the first and second aspects. The communication device comprises a processor, a memory, a receiver connected with the processor and a transmitter connected with the processor; the memory is used for storing program codes and transmitting the program codes to the processor; the processor is configured to drive the receiver and the transmitter according to instructions in the program code to perform the method according to the first, second, and third aspects; the receiver and the transmitter are respectively connected with the processor to execute the operations of the terminal device and the network device in the method of the above aspects. Specifically, the transmitter may perform the operation of transmitting, and the receiver may perform the operation of receiving. Optionally, the receiver and the transmitter may be a radio frequency circuit, and the radio frequency circuit implements receiving and sending messages through an antenna; the receiver and the transmitter may also be a communication interface, to which a processor is connected via a bus, through which the processor effects the reception or transmission of messages.

In an eleventh aspect, an embodiment of the present application provides a communication apparatus, where the communication apparatus is a terminal device, and the communication apparatus includes:

a transceiver for transmitting the first association relation, and/or the first indication information to the network device,

In a possible implementation manner, the transceiver is further configured to send, when the first indication information indicates that the first association relationship is dynamic, the updated first association relationship or the changed first association relationship to a location server.

In a possible implementation manner, the transceiver is further configured to send the first indication information to the access network device;

the transceiver is further configured to send the first association relationship to the positioning server.

In a possible implementation manner, the transceiver is further configured to send the first association relationship to the access network device when the first indication information indicates that the first association relationship is static, so that the access network device forwards the first association relationship to the positioning server.

In a possible implementation manner, the transceiver is further configured to send the updated first association relationship or the changed first association relationship to the access network device, where the first indication information indicates that the first association relationship may change or support updating.

In a possible implementation manner, the transceiver is further configured to receive a location capability request message from the location server;

a transceiver, further configured to send positioning capability information to the positioning server according to the positioning request message, where the positioning capability information includes one or more of the following:

the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the number of the maximum time error information supported by the terminal equipment, and whether the correlation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

In a possible implementation manner, the transceiver is further configured to receive a first request message from the access network device, where the first request message indicates that the terminal device sends the first association relationship;

the transceiver is further configured to send the first association relationship and the first indication information to the access network device according to the first request message.

In a possible implementation manner, the transceiver is further configured to receive a second request message from the positioning server, where the second request message instructs the terminal device to send the first association relationship;

a transceiver, further configured to send the one or more sets of first association relationships and the first indication information to the positioning server according to the second request message.

In a possible implementation manner, when the transceiver only sends the first indication information to the network device, the first indication information is used to indicate that the first association relationship is determined after the terminal device sends the positioning reference signal.

In a possible implementation manner, the transceiver is further configured to transmit the positioning reference signal to the network device;

a processor configured to determine the first association relationship according to the positioning reference signal;

a transceiver further configured to send the first association to the network device.

In a possible implementation manner, the transceiver is further configured to receive first configuration information from the access network device, where the first configuration information indicates that the terminal device sends the updated first association relationship or the changed first association relationship to the access network device when detecting that the first association relationship is updated or changed.

In a possible implementation manner, the transceiver is further configured to receive second configuration information from the positioning server, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the positioning server, and the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

In a twelfth aspect, an embodiment of the present application provides a communication apparatus, where the communication apparatus is an access network device, and the communication apparatus includes:

a transceiver for receiving the first association from the terminal device, and/or the first indication information,

the first indication information indicates whether the first association relation is dynamically changed and/or supports update reporting.

In a possible implementation manner, the transceiver is further configured to receive the first association relationship from the terminal device when the first indication information indicates that the first association relationship is static;

the transceiver is further configured to forward the first association relationship to a positioning server.

In a possible implementation manner, the transceiver is further configured to receive the first indication information from the terminal device;

the transceiver is further used for forwarding the first indication information to a positioning server.

In a possible implementation manner, the first indication information is specifically used to indicate that the first association relationship is dynamic or static, or indicate that the first association relationship supports updated reporting, or indicate that the first association relationship does not support updated reporting, where the dynamic first association relationship indicates that the first association relationship may change, and the static first association relationship indicates that the first association relationship may not change.

In a possible implementation manner, the first indication information indicates that the first association may change or support updating, and the transceiver is further configured to receive the updated first association or the changed first association from the terminal device.

In a possible implementation manner, the first association further includes: a time window of the time error indicating a time range over which the time error is correlated with the positioning reference signal.

In a possible implementation manner, the transceiver is further configured to send a first request message to the terminal device, where the first request message indicates that the terminal device sends the first association relationship;

the transceiver is further configured to receive the first association relationship and the first indication information sent by the terminal device.

In a possible implementation manner, the transceiver is further configured to send first configuration information to the terminal device, where the first configuration information indicates that, when detecting that the first association relationship is updated or changed, the terminal device sends the updated first association relationship or the changed first association relationship to the access network device.

In a thirteenth aspect, an embodiment of the present application provides a communication apparatus, where the communication apparatus is a location server, and the communication apparatus includes:

the transceiver is further configured to receive a first association relationship and/or first indication information from a terminal device, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of the terminal device sending the positioning reference signal, and the first indication information indicates whether the first association relationship changes dynamically and/or supports update reporting.

In a possible implementation manner, the transceiver is further configured to receive the first association forwarded by the access network device when the first indication information indicates that the first association is static, where the first association is from the terminal device.

In a possible implementation manner, the transceiver is further configured to receive, when the first indication information indicates that the first association relationship is dynamic, the updated first association relationship or the changed first association relationship from the terminal device.

In a possible implementation manner, the transceiver is further configured to receive the updated first association relationship or the changed first association relationship from the terminal device, where the first indication information indicates that the first association relationship may change or support updating.

In a possible implementation manner, the transceiver is further configured to send a location capability request message to the terminal device;

a transceiver further configured to receive positioning capability information from the terminal device, the positioning capability information including one or more of: the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the number of the maximum time error information supported by the terminal equipment, and whether the correlation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

In a possible implementation manner, the transceiver is further configured to send a second request message to the terminal device, where the second request message indicates that the terminal device sends the first association relationship.

In a possible implementation manner, the transceiver is further configured to send second configuration information to the terminal device, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the location server, and the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

In a thirteenth aspect, an embodiment of the present application provides a communication apparatus, where the communication apparatus may include an entity such as a network device or a chip, or the communication apparatus may include an entity such as a terminal device or a chip, and the communication apparatus includes: a processor, a memory; the memory is used for storing instructions; the processor is configured to execute the instructions in the memory to cause the communication device to perform the method according to any of the first, second or third aspects.

In a fourteenth aspect, embodiments of the present application provide a computer-readable storage medium storing one or more computer-executable instructions, which, when executed by a processor, perform any one of the possible implementations of the first aspect, the second aspect, or the third aspect as described above.

In a fifteenth aspect, the present application provides a computer program product (or computer program) storing one or more computer executable instructions, where when the computer executable instructions are executed by the processor, the processor executes any one of the possible implementation manners of the first aspect, the second aspect, or the third aspect.

In a sixteenth aspect, the present application provides a system-on-chip comprising a processor configured to enable a computer device to implement the functions recited in the previous aspects. In one possible design, the system-on-chip further includes a memory for storing program instructions and data necessary for the computer device. The chip system may be formed by a chip, or may include a chip and other discrete devices.

Drawings

FIG. 1 is a schematic diagram of a network architecture;

FIG. 2 is a schematic diagram of time of arrival TOA;

FIG. 3 is a schematic diagram of an antenna port;

fig. 4 is a schematic diagram of an embodiment of a method for updating time error information according to an embodiment of the present application;

fig. 5 is a schematic diagram of another embodiment of a method for updating time error information according to an embodiment of the present application;

fig. 6 is a schematic diagram of another embodiment of a method for updating time error information according to an embodiment of the present application;

fig. 7 is a schematic diagram of another embodiment of a method for updating time error information according to an embodiment of the present application;

fig. 8 is a schematic diagram of another embodiment of a method for updating time error information according to an embodiment of the present application;

fig. 9 is a schematic diagram of an embodiment of a communication device in the embodiment of the present application;

fig. 10 is a schematic structural diagram of a communication device according to an embodiment of the present application;

fig. 11 is a schematic diagram illustrating a communication device 1100 according to an embodiment of the present disclosure.

Detailed Description

The following describes embodiments of the present application. It is to be understood that the embodiments described are merely exemplary of some, and not all, of the present application. As can be known to those skilled in the art, with the advent of new application scenarios, the technical solution provided in the embodiments of the present application is also applicable to similar technical problems.

The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application and the above-described drawings are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or modules is not necessarily limited to those steps or modules explicitly listed, but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus. The naming or numbering of the steps appearing in the present application does not mean that the steps in the method flow must be executed according to the chronological/logical order indicated by the naming or numbering, and the named or numbered process steps may be executed in a modified order according to the technical purpose to be achieved, as long as the same or similar technical effects are achieved. The division of the units presented in this application is a logical division, and in practical applications, there may be another division, for example, multiple units may be combined or integrated into another system, or some features may be omitted, or not executed, and in addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some interfaces, and the indirect coupling or communication connection between the units may be in an electrical or other similar form, which is not limited in this application. Furthermore, the units or sub-units described as the separation component may or may not be physically separated, may or may not be physical units, or may be distributed in a plurality of circuit units, and a part or all of the units may be selected according to actual needs to achieve the purpose of the present application.

In the description of this application, "/" means "or" unless otherwise stated, for example, A/B may mean A or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" means one or more, "a plurality" means two or more. The terms "first," "second," and the like do not denote any order or importance, but rather the terms "first," "second," and the like do not denote any order or importance.

It is noted that, in the present application, words such as "exemplary" or "for example" are used to mean exemplary, illustrative, or descriptive. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

The method provided by the embodiment of the application can be applied to a Long Term Evolution (LTE) system, a 5th-generation (5G) system, a New Radio (NR) system, a Wireless Local Area Network (WLAN) system, a future evolution system or a plurality of communication fusion systems. The 5G system may be a non-standalone (NSA) 5G system or a Standalone (SA) 5G system. For convenience of description, the method provided in the embodiment of the present application is exemplified by applying the method provided in the embodiment of the present application to a 5G system or an NR system. When the method provided by the embodiment of the present application is applied to other systems, the network element in the embodiment of the present application can be understood by replacing the network element with the network element having the same or similar function in the corresponding system.

In the embodiment of the present application, a device, or a network element, or a functional entity on a network side is collectively referred to as a network device. In an embodiment of the present application, a network device includes at least: a location server and an access network device. The positioning server provides positioning service for the terminal equipment. The access network device provides the terminal device with services for accessing the communication network.

In a possible implementation, the location server is located at a core network side, and the location server may be a Location Management Function (LMF), or may be another network function or network element or server providing a location service. In another possible implementation, the positioning server is located on the access network side, i.e. the functionality of the positioning server is integrated into the access network equipment. In the embodiments of the present application, for convenience of understanding, a location server is taken as an LMF for example.

An access network of a 5G system or an NR system may be referred to as a Next Generation (NG) -Radio Access Network (RAN). One or more access network devices may be included in the NG-RAN. The access network device is an entity for transmitting signals, or receiving signals, or both, at the network side, and is configured to provide a wireless communication function for the terminal. The access network device included in the NG-RAN may be a next generation base station node (gNB) with a 5G site, a next generation evolved NodeB (NG-eNB) with a 4G site connected to a 5G core network, and the like. An access network device included in the NG-RAN may send and/or receive positioning reference signals and obtain related positioning measurement information.

The positioning architecture of the NG-RAN based 5G core network can be seen in fig. 1. Wherein, the location management function (for the network element, module or component providing the location function in the 5G core network, the access and mobility management function (AMF)) is the network element, module or component providing the access management function in the 5G core network, the enhanced service mobile location center (E-SMLC) is the network element, module or component providing the location function in the 4G core network, the Secure User Plane Location (SUPL) location platform (SLP) is the network element, module or component processing the user plane secure location protocol in the 4G core network, the ng-eNB is a device or apparatus deployed in the wireless access network and satisfying the 4G standard and providing the wireless communication function for the terminal, the ng-eNB may be various forms of base station, transmission receiving node (transmission and reception) receiving the reference signal, the gNB can be various types of base stations, TRPs for transceiving reference signals, transmission Measurement Functions (TMFs), access points, RPs, TPs, etc. the terminal is one of entities for receiving signals, or transmitting signals, or both at the user side. A hand-held terminal, a mobile phone, the mobile phone, the computer, the wearable equipment, the tablet computer, the vehicle-mounted terminal, the factory machine, the factory equipment, the machine type communication terminal and the like. A terminal can also be called a user equipment, terminal device, access terminal, subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or user device.

It should be noted that fig. 1 is exemplarily drawn by including one NG-eNB and one gNB in the NG-RAN, and in fact, more NG-enbs and/or more gnbs may be included in the NG-RAN. The access network equipment participating in positioning of the terminal equipment in the NG-RAN can be all NG-eNB, can also be all gNB, can also be part of NG-eNB, and is part of gNB.

When positioning a terminal device based on the positioning architecture shown in fig. 1, the AMF receives a positioning request message (which may also be referred to as a positioning service request message) about a certain terminal device, which is initiated by other network elements in the network. The AMF sends the received location request message to a location management function network element (e.g., LMF), and the location management function network element is responsible for processing the received location request message and initiating a related location procedure.

In order to make the embodiments of the present application clearer, a brief description is first made of some concepts related to the embodiments of the present application.

1. The time of arrival.

In the positioning technology, a typical positioning method based on the transmission time of signals between a terminal device and different access network devices is a TOA-based positioning method. In the method, the terminal device measures the TOAs of the positioning reference signals sent by different access network devices or the TOAs of the positioning reference signals sent by different access network devices measure the TOAs of the positioning reference signals sent by the terminal device, so that the distance relationship between the terminal device and the access network devices can be obtained, and then the position of the terminal device is estimated by combining the known information such as the position coordinates of the access network devices.

Referring to fig. 2, it can be understood that if the transmission time of a signal between a terminal device and different access network devices is determined, the distance between the terminal device and each access network device may be obtained by multiplying the transmission time by the optical speed, and a plurality of circles may be obtained by making a circle with the center of each access network device and the radius of the distance from the access network device to the terminal device as the radius, where the intersection point of the plurality of circles is the position of the terminal device. Specifically, taking TOA as an uplink-time difference of arrival (UL-TDOA) as an example, different access network devices measure a reference time of arrival (RTOA) of an uplink positioning reference signal (i.e., sounding Reference Signal (SRS)) sent by a terminal device (i.e., TOA taking a certain time point as a reference), and report the measurement information to a location management function network element (e.g., LMF), where the location management function network element performs a difference operation on the RTOA of the different access network devices to calculate a distance difference between the terminal device and the different access network devices, and then calculates a location of the terminal device according to location information of the access network devices.

2. Time error information.

As can be seen from the above, different antenna panels (or different rf links/rf channels) have different time errors, that is, when different antenna panels (or different rf links/rf channels) are used to transmit and receive signals, different time errors exist in the measured TOA values.

There are many possible implementations of the time error information, including one or more of: an index of the time error, a magnitude of the time error, a range of the time error, or a variance of the time error. It is to be understood that other implementations of the time error information exist and are not limited herein.

The following is illustrated by way of example:

2.1, index of time error: the mapping relationship between the index of the time error and the time error is maintained between the terminal device and the network device, as shown in table 1:

TABLE 1

2.2, size of time error: illustratively, the time error information may be 0.2 (nanoseconds/ns) or 0.5ns, etc., without limitation.

2.3, time error range: illustratively, the time error information may be: "[ 0-0.5) (nanoseconds)" or "[ 0.5-1) (nanoseconds)" etc., without limitation herein.

2.4, variance of time error: the time error information may also be a variance calculated over a plurality of time errors over a period of time.

In the embodiment of the present application, for a plurality of related time errors of a same antenna panel (or a same radio frequency link) receiving and transmitting signals at different times, the multiple related time errors may be considered to belong to a Time Error Group (TEG), and the TEG may also be named by other names, which is not limited in the present application. Based on this, the time error hereinafter may also be replaced with TEG, or other descriptions having the same meaning as that represented by TEG.

Currently, the standard protocol defines the set of time errors as follows: the Tx TEG is associated with transmission of one or more downlink PRS (DL PRS) resources or one or more uplink SRS (UL SRS) for positioning resources, which have the same Tx timing error. Different Tx TEGs have different Tx timing errors. "A Tx TEG is associated with the transmission of one or more DL PRS resources, one or more UL SRS for positioning resources, while having the same frequency Tx timing errors.

3. Antenna port (antenna port).

The antenna ports represent a logical transmission channel and can be mapped to physical antenna elements, and the physical transmission channels (i.e. channels) between different antenna ports can be considered to be different from each other, so that the time errors corresponding to different antenna ports can also be considered to be independent from each other. An antenna panel includes a plurality of antenna elements, and an antenna port corresponds to one or more antenna elements in the antenna panel.

In the embodiments of the present application, positioning reference signals transmitted on different antenna ports are considered to be different positioning reference signals. For example, if the positioning reference signal is an SRS, and the SRS resource is an SRS resource of an antenna port 2, referring to fig. 3, a part of SRS time-frequency resources in the SRS resource is a time-frequency resource corresponding to an antenna port 1, and another part of SRS time-frequency resources is a time-frequency resource corresponding to an antenna port 2, then the SRS transmitted on the antenna port 1 and the antenna port 2 may be considered as different SRSs. It should be noted that, in fig. 3, it is described by taking the example that the time-frequency resources corresponding to the 2 antenna ports are different, and in actual implementation, the time-frequency resources corresponding to the 2 antenna ports may also be the same, and at this time, the SRS sent on different antenna ports may be distinguished by using the code domain resources. The foregoing is a brief introduction to some of the concepts related to this application.

Based on understanding of the time errors, when the terminal device sends positioning reference signals through different antenna ports in a multi-antenna panel scene, different time errors may exist between TOAs measured by different access network devices, and positioning accuracy when the terminal device is positioned based on the TOAs depends on estimation accuracy of the TOAs, which is limited, resulting in limited positioning accuracy of the terminal device. Illustratively, if the service access network device instructs the terminal device to send the positioning reference signal at t1, the terminal device sends the positioning reference signal through the antenna port 1, the antenna port 2, and the antenna port 3. Wherein, the time error of the antenna port 1 is 1ns-2ns, the time error of the antenna port 2 is 2ns-3ns, the time error of the antenna port 3 is 0-1ns, and the time of the positioning reference signal in space transmission is 0.5ms, then the time range of the access network device 1 receiving the positioning reference signal sent by the terminal device at the antenna port 1 is: t1+1ns +0.5ms to t1+2ns +0.5ms, and the time range of the access network device 2 receiving the positioning reference signal sent by the terminal device at the antenna port 2 is as follows: t1+2ns +0.5ms to t1+3ns +0.5ms, and the time range of the access network device 3 receiving the positioning reference signal sent by the terminal device at the antenna port 3 is as follows: t1+0.5ms to t1+1ns +0.5ms. At this time, the access network device 1 considers that the positioning reference signal is transmitted in space by 1ns +0.5ms to 2ns +0.5ms, the access network device 2 considers that the positioning reference signal is transmitted in space by 2ns +0.5ms to 3ns +0.5ms, and the access network device 3 considers that the positioning reference signal is transmitted in space by 0.5ms to 1ns +0.5ms. In practice, the time of the positioning reference signal transmission in the space is 0.5ms.

Based on this, an embodiment of the present application provides a method for updating time error information, where a terminal device sends a first association relationship and/or first indication information to a network device, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of the terminal device sending the positioning reference signal, and the first indication information indicates whether the first association relationship will dynamically change and/or support updating and reporting. By the method, the network equipment can timely acquire the association relationship between the positioning reference signal of the terminal equipment and the time error, and can acquire whether the association relationship between the positioning reference signal and the time error can be dynamically changed and/or whether the update reporting is supported. The network equipment can use the time error associated with the positioning reference signal with higher precision to carry out positioning measurement, and the positioning precision is improved.

Hereinafter, the embodiments of the present application are described with reference to the drawings, and it is understood that the positioning reference signals related to the embodiments of the present application may also be PRS signals, channel state information reference signals, tracking reference signals, or the like, which is not limited herein. For uplink positioning measurement, the positioning reference signal may be an SRS; for downlink positioning measurements, the positioning reference signal may be a PRS. In the embodiments of the present application, a positioning reference signal is taken as an SRS for example.

Referring to fig. 4, fig. 4 is a schematic diagram illustrating an embodiment of a method for updating time error information according to an embodiment of the present disclosure. The method for updating the time error information provided by the embodiment of the application comprises the following steps:

401. the network equipment sends a positioning capability request message to the terminal equipment.

401-402 are optional. The network device (e.g. after receiving the positioning request of the terminal device) sends a positioning capability request message to the terminal device. The positioning capacity request message indicates the terminal equipment to report the self-supported positioning capacity information.

Illustratively, the network device (e.g., the location server) sends the location capability request message to the terminal device via a message of the LPP protocol. For example: the location Capability Request message is transmitted to the terminal device through an LPP Capability Request message (LPP Request Capability).

402. And the terminal equipment sends the positioning capability information to the network equipment.

In 402, after the terminal device receives the location capability request message from the network device, the terminal device sends location capability information to the network device. The positioning capability information includes one or more of:

In another example, the amount of the time error information supported by the terminal device at each frequency point may be, for example: taking an n38 frequency point as an example, in the n38 frequency point, the number of the time error information supported by the terminal device is 3, that is, the time error information supported and obtained by the terminal device is 3, for example, "TEG1, TEG2, and TEG3".

In another example, the maximum number of the time error information supported by the terminal device, for example: the measurement of time error information of n1, n2, n4 and n38 frequency points is supported in the terminal device, while the number of time error information supported in n1 is 2, the number of time error information supported in n2 is 3, the number of time error information supported in n4 is 1, and the number of time error information supported in n38 is 5, then the maximum number of time error information supported by the terminal device is 2+3+1+5=11.

In yet another example, the location capability information includes: whether the correlation between the positioning reference signal and the time error information supports updating reporting or dynamic detection or not. Specifically, when the positioning capability information includes that the correlation between the positioning reference signal and the time error information does not support update reporting, the first correlation reported by the terminal device is static or cannot be updated; and when the positioning capability information comprises the correlation between the positioning reference signal and the time error information, which supports updating and reporting, the first correlation reported by the terminal equipment is dynamic or can be updated.

In one possible implementation, when a network device (e.g., a location server) sends the location capability request message to a terminal device via a message of the LPP protocol, the terminal device sends the location capability information to the network device via a message of the LPP protocol. For example: the terminal device sends the location capability information to the location server through an LPP capability provision message "LPP provider capability".

It will be appreciated that when 401-402 are not executed, the terminal device and the network device determine the location capabilities according to pre-negotiated rules. For example: and the terminal equipment reports the positioning capability of the terminal equipment to the network equipment when the terminal equipment accesses the network.

403. The terminal equipment receives the first request message or the second request message from the network equipment.

403 is optional. When 403 is not performed, the terminal device may send one or more sets of first association relation and/or first indication information to the network device according to preconfigured information or according to protocol conventions.

In 403, the network device may be an access network device, and the terminal device receives the first request message from the access network device. The network device may also be a location server, and the terminal device receives the second request message from the location server.

The first request message has a similar purpose to that of the second request message, and the first request message instructs the terminal device to send one or more groups of first association relations and/or first indication information to the access network device; the second request message instructs the terminal device to send one or more groups of first association relations and/or first indication information to the positioning server.

The second request message may be an LPP message, or other message, as examples. For example: the LPP location information request message "LPP requestlocationinformation".

The first request message, the second request message, or the third request message may also be used to request the terminal device to report first association relationships with different granularities, that is, the granularities of the time error information in the first association relationships are different. For example:

the first request message (or the second request message or the third request message) may also be configured to request the terminal device to report an association relationship between a port that sends the positioning reference signal and the time error information, where one or more of the ports are indicated by the first request message (or the second request message or the third request message). For example, the first request message (or the second request message or the third request message) indicates the terminal device to report the association relationship between the positioning reference signals corresponding to the ports 1, 3, and 5 and the time error information.

The first request message (or the second request message or the third request message) may also be configured to request the terminal device to report an association relationship between a resource carrying the positioning reference signal and the time error information, where the resource is indicated by the first request message (or the second request message or the third request message). For example, the first request message (or the second request message or the third request message) indicates that the terminal device reports the association relationship between the positioning reference signals corresponding to resources 1, 3, and 5 and the time error information. The above resources 1, 3 and 5 are used to carry positioning reference signals.

The first request message (or the second request message or the third request message) may be further configured to request the terminal device to report an association relationship between a resource set carrying the positioning reference signal and the time error information, where the resource set is indicated by the first request message (or the second request message or the third request message). For example, the first request message (or the second request message or the third request message) indicates that the terminal device reports the association relationship between the positioning reference signals corresponding to the resource sets 1, 3 and 5 and the time error information. The above resource sets 1, 3 and 5 are used to carry positioning reference signals.

The first request message (or the second request message or the third request message) may also be used to request the terminal device to report an association relationship between the positioning reference signal and the time error information within a specific time window. For example: the first request message (or the second request message or the third request message) indicates the terminal equipment to report the association relationship between the positioning reference signal and the time error information in a time window (10-50 seconds). The time window may also be referred to as a time range, a time period, etc., and is not limited herein.

404. The terminal device receives first configuration information from the network device.

In 404, when the network device is an access network device, the terminal device receives first configuration information from the access network device, where the first configuration information indicates that the terminal device sends the updated first association relationship or the changed first association relationship to the access network device when detecting that the first association relationship is updated or changed. Further, the access network device receives the updated first association relationship or the changed first association relationship, and the access network device may send the updated first association relationship or the changed first association relationship to the positioning server.

In another possible implementation manner, the terminal device may also send the updated first association relationship or the changed first association relationship to the positioning server.

It should be noted that 404 is optional. When 404 is not performed, the terminal device may determine whether to transmit the first association relationship based on the first indication information. For example: when the first indication information indicates that the first association relationship is dynamic or supports update reporting, the terminal device sends the first association relationship to the network device after the first association relationship changes or is updated.

405. The terminal device receives second configuration information from the network device.

405, similar to 404, when 404 is executed, 405 is not executed, and when 405 is executed, 404 is not executed.

It should be noted that 405 is optional. When 405 is not performed, the terminal device may determine whether to transmit the first association relationship according to the first indication information. For example: when the first indication information indicates that the first association relationship is dynamic or supports update reporting, the terminal device sends the first association relationship to the network device after the first association relationship changes or is updated.

406. And the terminal equipment sends the first association relation and/or the first indication information to the network equipment.

406, specifically, the first association relationship includes: and the correlation of the time error information and the positioning reference signal. The time error information is used for indicating the time error of the terminal equipment for sending the positioning reference signal.

For example, taking the positioning reference signal as the SRS and the time error information as the size of the TEG as an example, the first association relationship may also represent "SRS-TEG" or "association relationship of SRS-TEG". The first indication information may indicate that the first association relationship is dynamic or static, that is, the "SRS-TEG" is dynamic or static, or the "SRS-TEG association relationship" is dynamic or static.

In a possible implementation scheme, if the association relationship of the SRS-TEG is static, the support terminal reports the association relationship of the SRS-TEG to the serving base station, and the serving base station forwards the association relationship to the positioning server.

“Support UE to provide the SRS-TEG association to gNB and gNB forward the association to LMF if the association is static.”

In another possible implementation scheme, if the association relationship between the SRS and the TEG is dynamic, the support terminal directly reports the association relationship between the SRS and the TEG to the positioning server. In this case, the terminal reports the first indication information (the indication information indicating the association relationship of the dynamic SRS-TEG) to the serving base station, and the serving base station reports the first indication information (the indication information indicating the association relationship of the dynamic SRS-TEG) to the positioning server.

“Support UE to provide the SRS-TEG association directly to LMF per LMF request if the association is dynamic.”

The following is a detailed description: for the reporting mode of the SRS-TEG association relation, two options are agreed at the last meeting. Option 1, the terminal directly reports the association relationship of the SRS-TEG to the LMF; and (2) reporting the association relation of the SRS-TEG to the gNB by the terminal, and then forwarding the association relation to the LMF by the gNB.

Therefore, the reporting mode of the association relation of the SRS-TEG depends on the characteristics of the SRS-TEG. If the association relationship of the SRS-TEG is static, the terminal may report the association relationship of the SRS-TEG to the serving base station through RRC signaling in the SRS configuration stage. Then the service base station reports the association relation and the positioning information to a positioning server through NRPPa signaling. The indication of the static nature of the SRS-TEG may be reported to the positioning server together with the association via RRC + NRPPa signaling. The positioning server knows that the association relationship of the terminal SRS-TEG is static, so that the serving base station or the terminal is not required to update the association relationship in the subsequent process. Therefore, the signaling overhead of the system can be effectively reduced (the beneficial effect can be added into the specification, if the positioning server does not know the static characteristic, the reporting request is initiated subsequently, the terminal reports through the signaling, but the reporting contents are the same, thereby causing unnecessary signaling overhead. In addition, in the uplink positioning method, the terminal does not forcibly require to support the LPP signaling, so the terminal may not report the association relationship of the SRS-TEG through the LPP signaling. The capability and the characteristics of the terminal can be maintained unchanged by reporting the association relationship through the RRC, and the capability requirement on the terminal is reduced (beneficial effect).

If the association relationship between SRS and TEG is dynamic, it means that the association relationship between SRS and TEG may change in the future SRS transmission phase. In this case, the location server may directly request the terminal to report the updated SRS-TEG association through LPP signaling, if necessary. In order to enable the positioning server to directly request the association relationship of the SRS-TEG to the terminal through LPP signaling, the indication information of the dynamic characteristics can be reported to the positioning server through RRC + NRPPa signaling at the initial configuration stage of the SRS and the interaction stage of the positioning information.

For reporting the association relationship of the SRS-TEG through the RRC message while carrying the static indication information, or for indicating the updated association relationship through the LPP signaling by the dynamic indication information, we consider that an RRC reconfiguration complete message (rrcreeconfiguration complete) is the first choice for carrying the association relationship of the SRS-TEG, so that the serving base station can report the association relationship or the indication information to the positioning server through the NRPPa positioning information exchange message in time.

“For the reporting of the SRS-TEG association,based on the agreement there are two options.In option 1,UE reports the SRS-TEG association to LMF directly.In option 2,the UE reports the SRS-TEG association to gNB and gNB forwards the association to the LMF.

In our opinion,the reporting of the SRS-TEG association depends on the characteristics of the Tx TEG.In the case that the Tx TEG is static,the SRS-TEG association can be provided to the gNB during the SRS configuration procedures via RRC signaling and the gNB can forward it to the LMF along with the positioning information via NRPPa.The indication of static characteristic can be reported along with the association via RRC+NRPPa path.The LMF is aware of this characteristic and will not request the gNB or UE to update the association.Hence,the signaling overhead can be saved.In addition,for UL positioning methods,UE is not required to support LPP,and reporting SRS-TEG association via RRC may still maintain the property for the UE.

In the case that the Tx TEG is dynamic,which means the SRS-TEG association might change during the SRS transmission.In this case,the LMF might request the UE to provide the association when it is needed via the LPP path.To enable the LMF request the UE to report the SRS-TEG association in LPP,indication of dynamic characteristic should be supported via RRC+NRPPa path during the initial SRS configuration and positioning information exchange procedures.

For the RRC message to contain either the SRS-TEG association with indication of static characteristics or the indication of dynamic characteristics that implies further update to be provided by LPP,we assume RRCReconfigurationComplete message should be a natural choice so that gNB can feedback the association timely to the LMF in the NRPPa POSITIONING INFORMATION RESPONSE message.”

For example, the first association relationship is shown in table 2, where the positioning reference signal is SRS, the time error information is the size of the time error, and the time error is TEG. In the embodiment of the present application, taking "SRS ID1" as an example, the "SRS ID1" indicates a positioning reference signal whose identifier (or index) is "SRS ID 1".

TABLE 2

Optionally, the time error information may also be an index of the time error, for example: TEG1 has an index of 01, TEG2 has an index of 02, etc. The first association is shown in table 3:

TABLE 3

Optionally, the time error information may also be a range of time errors, and the first association relationship is shown in table 4:

TABLE 4

Further, the first correlation may further include a time window of the time error, the time window of the time error indicating a time range in which the time error is correlated with the positioning reference signal. The time window may also be understood as a valid time of the time error within which the time error has a correlation with the positioning reference signal. Illustratively, the first association is shown in table 5:

TABLE 5

In table 5, taking the positioning reference signal as SRS ID1 as an example, the time error information having association with SRS ID1 in time window [ 0-5) seconds of the time error is TEG1, and the time error information having association with SRS ID1 in time window [ 5-15) seconds of the time error is TEG2.

It will be appreciated that the time window of time errors may comprise a past time window in addition to a future time window (i.e. a time window indicating a future time period within which the positioning reference signal has an association with the time error information). The past time window refers to a period of time in the past, and the positioning reference signal in the time window has a correlation with the time error information. For example: the first association including a time window of time error "(-10, 0 (seconds)"), SRS ID1 and TEG1 indicates that SRS ID1 has an association with TEG1 in the past 0-10 seconds.

In yet another example, the first association comprising the time window of time error "09 hours 10 minutes 20 seconds to 09 hours 20 minutes 20 seconds", SRS ID1 and TEG1 indicates that SRS ID1 has an association with TEG1 within a time period of 09 hours 10 minutes 20 seconds to 09 hours 20 minutes 20 seconds.

Further, the first correlation may be a correlation of the positioning reference signal and the time error information. The first association may also be an association of a port of a positioning reference signal (e.g., SRS port) and time error information. The first association relationship may also be an association relationship between a resource of the positioning reference signal (e.g., a resource carrying the SRS) and the time error information. The first association relationship may also be an association relationship between a resource set (e.g., resource sets (resource sets) carrying SRS) of the positioning reference signal and the time error information. It should be noted that the first association relationship may also be an association relationship between resources of other granularities for carrying the positioning reference signal and the time error information, and the first association relationship may also be an association relationship between an antenna panel or a radio frequency link for sending the positioning reference signal and the time error information, which is not limited herein.

The first indication information indicates whether the first association relation is dynamically changed and/or whether the first association relation supports update reporting.

In yet another example, the first indication information indicates that the first association is static, then the first indication information may be "1"; the first indication information indicates that the first association relationship is dynamic, and the first indication information may be "0".

In another possible implementation manner, when the terminal device needs to send the positioning reference signal before determining the time error information corresponding to the positioning reference signal, the terminal device may first send only the first indication information to the network device. The first indication information indicates that the associated first association relationship is static or dynamic. After the terminal device sends the positioning reference signal, the terminal device determines time error information corresponding to the positioning reference signal, and the terminal device further determines an actual first association relation. After the terminal device determines the actual first association relationship, the terminal device sends the first association relationship to the network device. After receiving the first association relationship, the network device determines whether the first association relationship is dynamic or static according to the previously received first indication information.

For example, the terminal device may send only the first indication information to the network device, and when the terminal device sends only the first indication information to the network device, the first indication information may also indicate that the first association relationship is Dynamic, "Static," or unknown, "where the first indication information may indicate that the first association relationship cannot be currently obtained, and after the terminal device needs to send the positioning reference signal to the network device, the time error information corresponding to the positioning reference signal is determined, and then the first association relationship, that is, the association relationship between the positioning reference signal and the time error information is determined. And the terminal equipment sends the first association relation to the network equipment. Optionally, when the terminal device sends the first association relationship to the network device, the terminal device sends updated first indication information to the network device at the same time, where the updated first indication information indicates whether the first association relationship will dynamically change and/or support update reporting.

Illustratively, the terminal device sends the first association relationship and the first indication information to the network device at the same time, for example, as shown in table 6:

TABLE 6

In table 6, taking the positioning reference signal as SRS ID1 as an example, the first association includes the positioning reference signal (SRS ID 1), the time error information (TEG 1), and a time window of time error "[ time1, time2]". The time window of the time error indicates that the positioning reference signal SRS ID1 is associated with the time error information TEG1 in the [ time1, time2] period, or the time error of the positioning reference signal SRS ID1 in the [ time1, time2] period is TEG1. The first indication information indicates that the first association relationship is static, that is, the update reporting is not supported.

It should be noted that the time window of the time error may also be implemented in other ways, for example: the time window of the time error is "time1", and "time1" indicates that within 100 seconds before and after time1, there is an association between the positioning reference signal and the time error information in the first association. That is, within 100 seconds before and after time1, the first association relationship is valid.

In yet another example, the first association relationship and the first indication information are as shown in table 7:

TABLE 7

In table 7, taking the positioning reference signal as SRS ID3 as an example, the first association includes the positioning reference signal (SRS ID3, time error information (TEG 1), time window of time error "[ time5, time 5-1)", time error information (TEG 2), and time window of time error "[ time5-1, time6]". The time window of the time error indicates that the positioning reference signal SRS ID3 is associated with the time error information TEG1 in the [ time5, time 5-1) period, or the time error of the positioning reference signal SRS ID3 in the [ time5, time 5-1) period is TEG1. The positioning reference signal SRS ID3 is in an association relation with the time error information TEG2 in the [ time5-1, time6] period, and the time error of the positioning reference signal SRS ID3 in the [ time5-1, time6] period is TEG2. The first indication information indicates that the first association relationship is static, that is, the update report is not supported.

In yet another example, the first association relationship and the first indication information are as shown in table 8:

TABLE 8

In table 8, taking the positioning reference signal as the SRS ID3 as an example, the first association relationship includes the positioning reference signal (SRS ID3, time error information (TEG 3), and a time window of a time error "[ time1, time2]". The time window of the time error indicates that the positioning reference signal SRS ID3 has an association relationship with the time error information TEG3 in the [ time1, time2] period, or the time error of the positioning reference signal SRS ID3 in the [ time1, time2] period is TEG3, and the first indication information indicates that the first association relationship is dynamic, that is, the update reporting is supported.

Table 8 shows that in the first association, positioning reference signals SRS ID1 to SRS ID5 have an association with corresponding time error information in the [ time1, time2] period.

In yet another example, as shown in table 9:

TABLE 9

In table 9, the first indication information indicates that the first association is static, that is, the updated report is not supported. Taking the positioning reference signal as SRS ID3 as an example, the first association includes the positioning reference signal (SRS ID3, time error information (TEG 3), a time window of time error "[ time5, time6]". The time window of time error indicates that the positioning reference signal SRS ID3 is associated with the time error information TEG3 in the [ time5, time6] period, or the time error of the positioning reference signal SRS ID3 in the [ time5, time6] period is TEG3.

Further, the terminal device may send the first association relationship and/or the first indication information to the network device through various signaling or messages. Including but not limited to: a Radio Resource Control (RRC) message, a medium access control element (MAC CE) message, or an LTE positioning protocol message.

For example, the terminal device may send the first association relationship and/or the first indication information to the network device through RRC assisted signaling (RRC assisted information).

In yet another example, the terminal device may send the first association relationship and/or the first indication information to the network device through RRC registration complete (RRC registration complete) signaling.

After the terminal device sends the first association relationship and/or the first indication information to the access network device through an RRC or MAC CE message (or signaling), the access network device may send the first association relationship and/or the first indication information to the location server through a message of an NRPPa protocol (e.g., an NRPPa location information response "NRPPa location information request" message).

After the network device receives the first association relationship, if the first association relationship is dynamic or supports updating, the network device uses the first association relationship to replace the local first association relationship. And the network equipment carries out positioning measurement on the terminal equipment according to the first association relation and the positioning reference signal from the terminal equipment received by the access network equipment.

In the embodiment of the application, a terminal device sends a first association relationship and/or first indication information to a network device, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of the terminal device sending the positioning reference signal, and the first indication information indicates whether the first association relationship will change dynamically and/or support update reporting. By the method, the network equipment can timely acquire the association relationship between the positioning reference signal and the time error of the terminal equipment, and the network equipment can acquire whether the association relationship between the positioning reference signal and the time error can be dynamically changed and/or whether the updating and reporting are supported. The network equipment can use the time error associated with the positioning reference signal with higher precision to carry out positioning measurement, and the positioning precision is improved.

In the following, further embodiments proposed by the present application will be described with reference to fig. 4 and the corresponding embodiment of fig. 4. Referring to fig. 5, fig. 5 is a schematic diagram of another embodiment of a method for updating time error information according to an embodiment of the present application.

In the embodiment illustrated in fig. 5, the location server sends a location capability request message to the terminal device.

The terminal equipment responds to the positioning capacity request message and sends positioning capacity information to the positioning server, wherein the positioning capacity information comprises one or more of the following items: the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the maximum number of the time error information supported by the terminal equipment, and whether the incidence relation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

After receiving the positioning measurement request of the terminal device, the positioning server sends a third request message to the access network device, the third request message instructs the access network device to send a first request message to the terminal device, and the first request message instructs the terminal device to send one or more groups of first association relations and/or first indication information to the access network device.

After receiving the first request message, the terminal device sends the first association relationship and/or the first indication information to the access network device in response to the first request message.

And after receiving the first association relation and/or the first indication information, the access network equipment forwards the first association relation and/or the first indication information to the positioning server.

The terminal equipment sends a positioning reference signal to the access network equipment, and the access network equipment and the positioning server perform positioning measurement according to the positioning reference signal from the terminal equipment.

When the first association relationship in the terminal device changes or updates dynamically, the terminal device sends the updated first association relationship or the dynamically changed first association relationship to the access network device.

The following detailed description is made with reference to the accompanying drawings:

501. the positioning server sends a positioning capability request message to the terminal equipment.

501 the positioning server sends a positioning capability request message to the terminal device, similar to 401 described before. The location Capability Request message may be an LPP Capability Request message (LPP Request Capability).

502. And the terminal equipment sends the positioning capability information to the positioning server.

502 similar to the previous 402, the terminal device sends the location capability information to the location server via an LPP capability provision message "LPP provider capability".

503. The positioning server sends a third request message to the access network device.

503, similar to 403, the positioning server sends a third request message to the access network device, the third request message instructing the access network device to send the first request message to the terminal device. Illustratively, the third request message may be an NR positioning protocol a (NRPPa) message, such as: NR positioning protocol a positioning information Request message "NRPPa positioning info Request".

Optionally, the third request message may further include second configuration information, where the second configuration information is consistent with the foregoing 405, and details are not described here.

504. The access network equipment sends a first request message to the terminal equipment.

In 504, similar to the foregoing 403, after the access network device receives the third request message, the access network device sends the first request message to the terminal device in response to the third request message.

Optionally, the third request message may further include first configuration information, where the first configuration information is consistent with the foregoing configuration information 404, and is not described herein again.

It is to be understood that 503-504 may occur at any time after 502, and is not limiting herein.

505. And the terminal equipment sends the first association relation and/or the first indication information to the access network equipment.

505 the terminal device sends the first association relation and/or the first indication information to the access network device in response to the first request message, similar to 406 described above. The terminal device may send the first association relationship and/or the first indication Information to the access network device through "RRC Reconfiguration Complete" signaling, "RRC active Information" signaling, or MAC CE signaling.

It should be noted that, when the terminal device only sends the first indication information, the first association relationship needs to be determined after the terminal device sends the positioning reference signal to the access network device at 507. Then, after 507, the terminal device sends the first association relationship to the access network device. The specific sending flow is consistent with 505-506, and is not described herein.

506. And the access network equipment sends the first association relation and/or the first indication information to the positioning server.

506, similar to the foregoing 406, when the access network device receives the first association relationship and/or the first indication information from the terminal device, the access network device sends the first association relationship and/or the first indication information to the positioning server.

Specifically, the method comprises the following steps. After the terminal device sends the first association relationship and/or the first indication information to the access network device through an RRC or MAC CE message (or signaling), the access network device may send the first association relationship and/or the first indication information to the location server through a message of an NRPPa protocol (e.g., an NRPPa location information response "NRPPa location information request" message).

The first association relationship and the first indication information are the same as those described above 406, and are not described herein again.

507. And the terminal equipment sends the positioning reference signal to the access network equipment.

505, and proceeds to 507. The terminal device sends a positioning reference signal to one or more access network devices. And one or more access network devices complete the positioning measurement of the terminal device together with the positioning server according to the positioning reference signal from the terminal device and the first association relation.

508. And when the first association relation changes, the terminal equipment sends the updated first association relation to the access network equipment.

508, similarly, when the terminal device detects that the first association is changed, or a time window of a time error corresponding to the first association indicates that the first association is invalid, or the terminal device sends the first association according to an indication of the first configuration information (or the second configuration information), the terminal device sends the updated first association to the access network device.

Illustratively, the terminal device may send the updated first association relationship to the access network device through an "RRC active Information" signaling or a MAC CE signaling.

509. And the access network equipment sends the updated first association relation to the positioning server.

509, when the access network device receives the updated first association relationship from the terminal device, the access network device sends the updated first association relationship to the positioning server.

Illustratively, the access network device may send the updated first association relationship to the location server through a message of NRPPa protocol (e.g., NRPPa location information response "NRPPa location information request" message).

In this embodiment, the terminal reports the association between the positioning reference signal and the time error information to the base station, and the base station forwards the association to the positioning server, thereby implementing the reporting of the association. In this embodiment, upon detecting that the associated time error information changes due to the switching of the antenna panel for locally transmitting the positioning reference signal, the terminal immediately reports the changed associated relationship to the serving base station in the form of an auxiliary information update. And the service base station receives the updated association relation and forwards the association relation to the location server LMF in the form of NRPPa location information update. The terminal reports the association relationship and simultaneously contains indication information which indicates whether the association relationship is dynamic or static and indicates the effective time, the effective time and the like of the association relationship. By reporting the incidence relation between the positioning reference signal and the time error information in the form of auxiliary information updating, the effect of dynamically updating the incidence relation between the positioning reference signal and the time error information can be achieved, and the positioning precision is improved.

Referring to fig. 6 in conjunction with the foregoing embodiments, fig. 6 is a schematic diagram of another embodiment of a method for updating time error information according to the embodiment of the present application.

Fig. 6 illustrates an embodiment in which the location server sends a location capability request message to the terminal device.

The terminal equipment responds to the positioning capacity request message and sends positioning capacity information to the positioning server, wherein the positioning capacity information comprises one or more of the following items: the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the number of the maximum time error information supported by the terminal equipment, and whether the correlation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

When the positioning server detects that the first incidence relation is invalid or the difference between the first incidence relation and the actual error is overlarge, the positioning server sends a second request message to the terminal equipment, and the second request message instructs the terminal equipment to send one or more groups of first incidence relations and/or first indication information to the access network equipment;

and the terminal equipment responds to the second request message and sends the updated first association relation or the first association relation which is dynamically changed to the positioning server.

601. and the positioning server sends a positioning capability request message to the terminal equipment.

602. And the terminal equipment sends the positioning capability information to the positioning server.

603. The positioning server sends a third request message to the access network device.

604. The access network equipment sends a first request message to the terminal equipment.

605. And the terminal equipment sends the first association relation and/or the first indication information to the access network equipment.

606. And the access network equipment sends the first association relation and/or the first indication information to the positioning server.

607. And the terminal equipment sends the positioning reference signal to the access network equipment.

601-607 are identical to 501-507 and will not be described in detail.

608. And the positioning server sends a second request message to the terminal equipment.

In 608, when the positioning server determines that the first association received by 606 changes or is updated according to the first indication information, or the positioning server finds that an error of the first association received by 606 is large in the positioning measurement of the terminal device, the positioning server sends a second request message to the terminal device, where the second request message is used to indicate the terminal device to send the first association to the positioning server. Since the first association relationship may not be consistent with the first association relationship sent in 605, the first association relationship sent by the terminal device in response to the second request message of 608 is referred to as an updated first association relationship.

Specifically, the positioning server sends the second request message to the terminal device similarly to 403 described above. The second request message may be an LPP message, or other message, as examples. For example: the LPP location information request message "LPP RequestLocationInformation".

It is to be understood that 608 may occur at any time after 602 and is not limiting herein.

609. And the terminal equipment sends the updated first association relation to the positioning server.

609 similarly to the previous 406, after the terminal device receives the second request message, it sends the first association relation to the positioning server in response to the second request message. The first association relationship may be the updated first association relationship, or may be the first association relationship that is not updated (compared to the first association relationship sent in 605), which is not limited herein.

It can be understood that, when the terminal device detects that the first association relationship changes, or a time window of a time error corresponding to the first association relationship indicates that the first association relationship is invalid, or the terminal device sends the first association relationship according to an indication of the first configuration information (or the second configuration information), the terminal device sends the updated first association relationship to the access network device.

Optionally, the terminal device may further send the first indication information to the location server.

Illustratively, in 609, the terminal device sends the first association to the location server through an LPP message. For example, the first association relationship is transmitted through an LPP providellocationinformation message.

In this embodiment, after the terminal has configured the positioning reference signal resource, the terminal reports the initial association relationship between the positioning reference signal and the time error information to the serving base station, where the association relationship includes the indication information, and the serving base station forwards the association relationship to the positioning server. After receiving the association relationship, the positioning server judges whether the terminal needs to report the updated association relationship according to the indication information of the association relationship, and if the updated association relationship is reported, the positioning server does not need to request the association relationship through a high-level signaling. If the dynamic association relationship is dynamic and has failed, the positioning server can directly request to report the updated association relationship through high-level signaling. If the association relationship changes periodically, the positioning server may configure the terminal to report the updated association relationship periodically. By the embodiment, the positioning server can request the association relationship between the specific resource and the specific time window from the terminal according to the indication information or the positioning result of the association relationship, and the problem of dynamic change of the association relationship is solved.

Referring to fig. 7 in conjunction with the foregoing embodiments, fig. 7 is a schematic diagram of another embodiment of a method for updating time error information according to an embodiment of the present application.

In the embodiment illustrated in fig. 7, the location server sends a location capability request message to the terminal device.

The positioning server responds to a positioning request from the terminal equipment and configures the resources used by the positioning reference signals to the terminal equipment.

The positioning server sends a second request message to the terminal equipment, and the second request message instructs the terminal equipment to send one or more groups of first association relations and/or first indication information to the access network equipment;

the terminal equipment responds to the second request message and sends a positioning reference signal to one or more access network equipment;

and the terminal equipment determines a first incidence relation according to the sent positioning reference signal and sends the first incidence relation and/or first indication information to the positioning server.

701. the positioning server sends a positioning capability request message to the terminal equipment.

702. And the terminal equipment sends the positioning capability information to the positioning server.

701-702 are identical to 501-502 described above and will not be described in detail here.

703. And the positioning server configures the resources used by the positioning reference signals to the terminal equipment.

703, the positioning server configures a resource used by the positioning reference signal to the terminal device. Specifically, after receiving the Positioning Request from the terminal device, the Positioning server sends a Positioning information Request message to the access network device, for example, sends the Positioning information Request message through an NRPPa protocol, where the Positioning information Request message may be sent through an NRPPa Positioning Info Request message.

After receiving the positioning information request message, the access network device sends configuration information of the positioning reference signal to the terminal device, where the configuration information may be sent through an RRC signaling, for example: RRC Reconfiguration message (RRC Reconfiguration).

The terminal device completes configuration according to the configuration information of the positioning reference signal, and sends a response message to the access network device, where the response message may be an RRC registration complete (RRC registration complete) signaling.

The access network equipment responds to the RRC registration completion signaling and sends a positioning information response message to the positioning server.

It should be noted that in 703, the positioning server may further send second configuration information to the terminal device. The second configuration information is consistent with the above 405, and is not described herein.

704. And the positioning server sends a second request message to the terminal equipment.

In 704, the positioning server sends a second request message to the terminal device after receiving the positioning information response message. The second request message is similar to the second request message of 403, and is not described in detail here.

705. And the terminal equipment sends the positioning reference signal to the access network equipment.

In 705, the terminal device determines the first association relationship in response to the second request message. Since the first association relationship needs to be determined after the terminal device sends the positioning reference signal, the terminal device sends the positioning reference signal to one or more access network devices according to the configuration of 703.

And the access network equipment and the positioning server perform positioning measurement on the terminal equipment according to the positioning reference signal from the terminal equipment.

Optionally, before the terminal device sends the positioning reference signal to the access network device, the terminal device sends first indication information to the positioning server, where the first indication information indicates that the terminal device needs to send the positioning reference signal before determining the first association relationship. And the terminal equipment sends the first indication information to the positioning server through the LPP message. For example, the first indication information is transmitted through an LPP providedilocationinformation message.

It is to be understood that the terminal device may also perform 706 before 705, i.e. the terminal device determines the first association and/or the first indication information before sending the positioning reference signal.

706. And the terminal equipment sends the first association relation and/or the first indication information to the positioning server.

In 706, after the terminal device sends the positioning reference signal to the access network device, the terminal device determines the first association relationship. The terminal device sends the first association relation and/or the first indication information to the positioning server. The first association relationship and the first indication information are the same as the aforementioned 406, and are not repeated herein.

Illustratively, in 706, the terminal device sends the first association relationship and/or the first indication information to the positioning server through an LPP message. For example, the first association relationship and/or the first indication information is transmitted through an LPP providellocationinfo message.

And after receiving the first association relation and/or the first indication information, the positioning server performs positioning measurement on the terminal equipment according to the positioning reference signal and the first association relation and/or the first indication information.

In this embodiment, the positioning server directly interacts with the terminal device through the LPP protocol to determine the association between the positioning reference signal and the time error information. In this embodiment, the location server requests the terminal for a specific first association relationship according to the location capability reported by the terminal, and may also configure the terminal to periodically report the first association relationship through the LPP protocol, thereby solving the problem of dynamic change of time error information.

Referring to fig. 8 in conjunction with the foregoing embodiments, fig. 8 is a schematic diagram illustrating another embodiment of a method for updating time error information according to an embodiment of the present application.

Fig. 8 illustrates an embodiment in which the location server sends a location capability request message to the terminal device.

The terminal equipment sends a positioning reference signal to one or more access network equipment;

and the terminal equipment determines a first association relation according to the sent positioning reference signal and sends the first association relation and/or first indication information to a positioning server.

801. The positioning server sends a positioning capability request message to the terminal equipment.

802. And the terminal equipment sends the positioning capability information to the positioning server.

803. And the positioning server configures the resources used by the positioning reference signals to the terminal equipment.

804. And the terminal equipment sends the positioning reference signal to the access network equipment.

801-804 are identical to the ones 701-704 described above and will not be described in detail here.

805. And the positioning server sends a second request message to the terminal equipment.

806. And the terminal equipment sends the first association relation to the positioning server.

805 is identical to 704 and 806 is similar to 706, and will not be described in detail here.

In this embodiment, the positioning server directly interacts with the terminal device through the LPP protocol to determine the association relationship between the positioning reference signal and the time error information. In this embodiment, the location server requests the terminal for a specific first association relationship according to the location capability reported by the terminal, and may also configure the terminal to periodically report the first association relationship through the LPP protocol, thereby solving the problem of dynamic change of the time error information.

The scheme provided by the embodiment of the application is mainly introduced in the aspect of methods. It is to be understood that the communication device includes hardware structures and/or software modules for performing the respective functions in order to realize the above functions. Those of skill in the art will readily appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiment of the present application, the communication apparatus may be divided into the functional modules according to the method example, for example, each functional module may be divided according to each function, or two or more functions may be integrated into one transceiver module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, in the embodiment of the present application, the division of the module is schematic, and is only one logic function division, and there may be another division manner in actual implementation.

Referring to fig. 9, a communication device in the present application is described in detail below, and fig. 9 is a schematic diagram of an embodiment of the communication device in the embodiment of the present application. The communication apparatus 900 includes: a transceiver module 901 and a processing module 902.

The communication device may be a positioning server, a network device or a terminal device, or may be a chip therein or other combined devices, components and the like having the functions of the communication device. When the communication apparatus is a positioning server, a network device or a terminal device, the transceiver module 901 may be a transceiver, and the transceiver may include an antenna, a radio frequency circuit, and the like; the processing module 902 may be a processor (or processing circuitry), such as a baseband processor, which may include one or more CPUs therein. When the communication apparatus is a device or a component having the above functions, the transceiver module 901 may be a radio frequency unit; the processing module 902 may be a processor (or processing circuitry), such as a baseband processor. When the communication apparatus is a chip system, the transceiver module 901 may be an input/output interface of a chip (e.g., a baseband chip); the processing module 902 may be a processor (or, a processing circuit) of a chip system, and may include one or more central processing units. It should be understood that the transceiver module 901 in the embodiment of the present application may be implemented by a transceiver or transceiver-related circuit components; the processing module 902 may be implemented by a processor or a processor-related circuit component (alternatively referred to as a processing circuit).

For example, when the communication device is a positioning server or a chip or a functional unit of a positioning server, the transceiving module 901 may be used to perform all transceiving operations performed by the positioning server in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein; processing module 902 may be used to perform all operations performed by a positioning server in the embodiment shown in fig. 5, except for transceiving operations, and/or other processes to support the techniques described herein.

The transceiver module 901 may include a transmitting module and/or a receiving module, respectively, for performing the transmitting and receiving operations performed by the positioning server in the embodiment shown in fig. 5, for example, the transmitting module is used for performing step 503, and the receiving module is used for performing step 506.

For another example, when the communication apparatus 900 is applied to a terminal device, the receiving module is configured to execute steps 401, 403, 404, and 405 in the embodiment shown in fig. 4, and the transmitting module is configured to execute steps 402 and 406 in the embodiment shown in fig. 4.

For another example, when the communications apparatus 900 is applied to a network device, the receiving module is configured to execute steps 402 and 406 in the embodiment shown in fig. 4, and the sending module is configured to execute steps 401, 403, 404, and 405 in the embodiment shown in fig. 4.

A transceiver module 901, configured to send the first association relationship, and/or the first indication information to the network device,

In a possible implementation manner, the transceiver module 901 is further configured to send the updated first association relationship or the changed first association relationship to a positioning server when the first indication information indicates that the first association relationship is dynamic.

In a possible implementation manner, the transceiver module 901 is further configured to send the first indication information to the access network device;

the transceiver module 901 is further configured to send the first association relationship to the location server.

In a possible implementation manner, the transceiver module 901 is further configured to send the first association to the access network device when the first indication information indicates that the first association is static, so that the access network device forwards the first association to the location server.

In a possible implementation manner, the transceiver module 901 is further configured to send the updated first association relationship or the changed first association relationship to the access network device, where the first indication information indicates that the first association relationship may change or support updating.

In a possible implementation manner, the transceiver module 901 is further configured to receive a location capability request message from the location server;

the transceiver module 901 is further configured to send, according to the location request message, location capability information to the location server, where the location capability information includes one or more of the following:

In a possible implementation manner, the transceiver module 901 is further configured to receive a first request message from the access network device, where the first request message indicates that the terminal device sends the first association relationship;

the transceiver module 901 is further configured to send the first association relationship and the first indication information to the access network device according to the first request message.

In a possible implementation manner, the transceiver module 901 is further configured to receive a second request message from the positioning server, where the second request message indicates that the terminal device sends the first association relationship;

the transceiver module 901 is further configured to send the one or more groups of first association relationships and the first indication information to the positioning server according to the second request message.

In a possible implementation manner, when the transceiver module 901 only sends the first indication information to the network device, the first indication information is used to indicate that the first association relationship is determined after sending the positioning reference signal to the terminal device.

In a possible implementation manner, the transceiver module 901 is further configured to send the positioning reference signal to the network device;

a processing module 902, configured to determine the first association relationship according to the positioning reference signal;

the transceiver module 901 is further configured to send the first association relationship to the network device.

In a possible implementation manner, the transceiver module 901 is further configured to receive first configuration information from the access network device, where the first configuration information indicates that the terminal device sends the updated first association relationship or the changed first association relationship to the access network device when detecting that the first association relationship is updated or changed.

In a possible implementation manner, the transceiver module 901 is further configured to receive second configuration information from the positioning server, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the positioning server, and the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

In still another example, the transceiver module 901 is configured to receive a first association relationship and/or first indication information from a terminal device,

In a possible implementation manner, the transceiver module 901 is further configured to receive the first association relationship from the terminal device when the first indication information indicates that the first association relationship is static;

the transceiver module 901 is further configured to forward the first association relationship to a location server.

In a possible implementation manner, the transceiver module 901 is further configured to receive the first indication information from the terminal device, where the first indication information indicates that the first association relationship is dynamic.

In a possible implementation manner, the first indication information indicates that the first association relation may change or support updating, and the transceiver module 901 is further configured to receive the updated first association relation or the changed first association relation from the terminal device.

In a possible implementation manner, the transceiver module 901 is further configured to send a first request message to the terminal device, where the first request message indicates that the terminal device sends the first association relationship;

the transceiver module 901 is further configured to receive the first association relationship and the first indication information sent by the terminal device.

In a possible implementation manner, the transceiver module 901 is further configured to send first configuration information to the terminal device, where the first configuration information indicates that the terminal device sends the updated first association relationship or the changed first association relationship to the access network device when detecting that the first association relationship is updated or changed.

In yet another example, the transceiver module 901 is further configured to receive a first association relationship and/or first indication information from a terminal device, where the first association relationship includes an association relationship between time error information and a positioning reference signal, the time error information is used to indicate a time error of the terminal device sending the positioning reference signal, and the first indication information indicates whether the first association relationship will change dynamically and/or whether update reporting is supported.

In a possible implementation manner, the transceiver module 901 is further configured to receive the first association forwarded by the access network device when the first indication information indicates that the first association is static, where the first association is from the terminal device.

In a possible implementation manner, the transceiver module 901 is further configured to receive the updated first association relationship or the changed first association relationship from the terminal device when the first indication information indicates that the first association relationship is dynamic.

In a possible implementation manner, the transceiver module 901 is further configured to use the first indication information to indicate that the first association relationship may change or support updating, and receive the updated first association relationship or the changed first association relationship from the terminal device.

In a possible implementation manner, the transceiver module 901 is further configured to send a location capability request message to the terminal device;

the transceiver module 901 is further configured to receive positioning capability information from the terminal device, where the positioning capability information includes one or more of the following: the terminal equipment supports the frequency point information detected by the time error information, the number of the time error information supported by the terminal equipment at each frequency point, the maximum number of the time error information supported by the terminal equipment, and whether the incidence relation between the positioning reference signal and the time error information supports updating reporting or dynamic detection.

In a possible implementation manner, the transceiver module 901 is further configured to send a second request message to the terminal device, where the second request message indicates that the terminal device sends the first association relationship.

In a possible implementation manner, the transceiver module 901 is further configured to send second configuration information to the terminal device, where the second configuration information indicates that the terminal device periodically sends the first association relationship to the location server, where the first association relationship includes: the first association relationship that is not updated, the first association relationship that is updated, or the first association relationship that is changed.

The communication device in the above embodiments may be a network device, or may be a chip applied to a network device, or other combined devices and components that can implement the functions of the network device. When the communication device is a network device, the transceiver module may be a transceiver, the transceiver may include an antenna and a radio frequency circuit, and the like, and the processing module may be a processor, such as a baseband chip and the like. When the communication device is a component having the above-mentioned network device function, the transceiver module may be a radio frequency unit, and the processing module may be a processor. When the communication device is a chip system, the transceiver module may be an input port of the chip system, the transceiver module may be an output interface of the chip system, and the processing module may be a processor of the chip system, for example: a Central Processing Unit (CPU).

The communication device in the above embodiments may be a terminal device, and may also be a chip applied in the terminal device, or other combined devices and components that can implement the functions of the terminal device. When the communication device is a terminal equipment, the transceiver module may be a transceiver, the transceiver may include an antenna, a radio frequency circuit and the like, and the processing module may be a processor, such as a baseband chip and the like. When the communication device is a component having the functions of the terminal equipment, the transceiver module may be a radio frequency unit, and the processing module may be a processor. When the communication device is a chip system, the transceiver module may be an input port of the chip system, the transceiver module may be an output interface of the chip system, and the processing module may be a processor of the chip system, for example: a central processing unit.

It should be noted that, the contents of information interaction, execution processes and the like between the modules and/or components of the communication device are based on the same concept as the method embodiments corresponding to fig. 4 to 8 in the present application, and specific contents may refer to the description in the foregoing method embodiments in the present application, and are not described herein again.

It should be noted that, for the specific implementation manner of the communication apparatus and the beneficial effects brought by the implementation manner, reference may be made to descriptions of each corresponding method embodiment in fig. 4 to fig. 8, and details are not repeated here.

Fig. 10 provides a schematic diagram of a structure of a communication device. The communication device can be applied to the scenes shown in the above method embodiments. For ease of illustration, fig. 10 shows only the main components of the communication device, including the processor, memory, control circuitry, and input-output devices. The processor is mainly used for processing the communication protocol and the communication data, executing the software program and processing the data of the software program. The memory is used primarily for storing software programs and data. The control circuit is mainly used for power supply and transmission of various electric signals. The input and output device is mainly used for receiving data input by a user and outputting data to the user.

When the communication device is a positioning server, the communication device can be a computer or a server with a computing function, the control circuit is a main board, the memory comprises a hard disk, a RAM, a ROM and other media with a storage function, the processor is a CPU, and the input and output device comprises a display screen, a keyboard, a mouse and the like; the control circuit may further comprise or be connected to a transceiver circuit or transceiver, such as: a wireless network card, a network cable interface, etc. for sending or receiving data or signals, such as data transmission and communication with a base station.

When the communication device is an access network device or a terminal device, the control circuit is a single board, the memory includes a hard disk, a RAM, a ROM and other media with storage functions, the processor may include a baseband processor and a central processing unit, the baseband processor is mainly used for processing communication protocols and communication data, the central processing unit is mainly used for controlling the whole network device, executing software programs and processing data of the software programs, and the input and output device includes a display screen, a keyboard, a mouse and the like; the control circuit may further comprise or be connected to a transceiver circuit or transceiver, such as: a network cable interface, etc. for sending or receiving data or signals, such as data transmission and communication with a positioning server. Further, the wireless terminal device may further include an antenna, configured to receive and transmit a wireless signal, and configured to perform signal transmission with other terminal devices or access network devices.

Fig. 11 is a schematic composition diagram of a communication apparatus 1100 according to an embodiment of the present disclosure, where the communication apparatus 1100 may be a terminal device or a chip or a functional module in the terminal device; the access network device may also be an access network device or a chip or a functional module in the access network device; but also a positioning server or a chip or a functional module in a positioning server. As shown in fig. 11, the communication device 1100 includes a processor 1101, a transceiver 1102, and a communication line 1103.

Further, the communication device 1100 can also include a memory 1104. The processor 1101, the memory 1104 and the transceiver 1102 may be connected by a communication line 1103.

Processor 1101 is a central processing unit, a general purpose processor network processor, a digital signal processor, a microprocessor, a microcontroller, a programmable logic device, or any combination thereof. The processor 1101 may also be other devices with processing functions, such as a circuit, a device or a software module, without limitation.

A transceiver 1102 for communicating with other devices or other communication networks, which may be ethernet, radio access network, wireless local area network, etc. The transceiver 1102 may be a module, circuit, transceiver, or any device capable of enabling communication.

The transceiver 1102 is mainly used for transceiving signals, and may include a transmitter and a receiver, which respectively transmit and receive signals; operations other than signal transmission and reception are performed by a processor, such as information processing, calculation, and the like.

A communication line 1103 for transmitting information between the respective components included in the communication apparatus 1100.

In one design, the processor may be considered a logic circuit and the transceiver may be considered an interface circuit.

Further, a memory 1104 may also be included for storing instructions. Wherein the instructions may be a computer program.

The memory 1104 may be a read-only memory or other types of static storage devices that can store static information and/or instructions, a random access memory or other types of dynamic storage devices that can store information and/or instructions, an electrically erasable programmable read-only memory, a read-only optical or other optical disk storage, an optical disk storage (including a compact disk, a laser disk, an optical disk, a digital versatile disk, a blu-ray disk, etc.), a magnetic disk storage medium or other magnetic storage devices, and the like, without limitation.

It is noted that the memory 1104 can exist separate from the processor 1101 or can be integrated with the processor 1101. The memory 1104 may be used for storing instructions or program code or some data or the like. The memory 1104 may be located within the communication device 1100 or external to the communication device 1100, without limitation. The processor 1101 is configured to execute the instructions stored in the memory 1104 to implement the methods provided in the embodiments of the present application.

In one example, processor 1101 may include one or more CPUs, such as CPU0 and CPU1 in fig. 11.

As an alternative implementation, communications apparatus 1100 includes a plurality of processors, such as processor 1107, in addition to processor 1101 in fig. 11.

As an alternative implementation, the communication apparatus 1100 further comprises an output device 1105 and an input device 1106. Illustratively, the input device 1106 is a keyboard, mouse, microphone, or joystick like device, and the output device 1105 is a display screen, speaker (microphone), or like device.

It is noted that the communication apparatus 1100 may be a base station, a network server, a wireless terminal device, an embedded device, a chip system, or a device having a similar structure as that in fig. 11. Further, the constituent structure shown in fig. 11 does not constitute a limitation of the communication apparatus, and the communication apparatus may include more or less components than those shown in fig. 11, or combine some components, or a different arrangement of components, in addition to the components shown in fig. 11.

In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.

The embodiment of the application also provides a processing device, which comprises a processor and an interface; the processor is configured to perform a method for updating time error information according to any one of the method embodiments.

It should be understood that the processing device may be a chip, the processor may be implemented by hardware or software, and when implemented by hardware, the processor may be a logic circuit, an integrated circuit, or the like; when implemented in software, the processor may be a general-purpose processor implemented by reading software code stored in a memory, which may be integrated with the processor, located external to the processor, or stand-alone.

The term "implemented by hardware" means that the functions of the modules or units are implemented by a hardware processing circuit without a program instruction processing function, and the hardware processing circuit may be composed of discrete hardware components or may be an integrated circuit. In order to reduce power consumption and size, the integrated circuit is usually implemented. The hardware processing circuit may include an application-specific integrated circuit (ASIC), or a Programmable Logic Device (PLD); the PLD may include a Field Programmable Gate Array (FPGA), a Complex Programmable Logic Device (CPLD), and the like. These hardware processing circuits may be a semiconductor chip packaged separately (e.g., as an ASIC); for example, various hardware circuits and CPUs may be formed on a silicon substrate and packaged separately into a chip, which is also referred to as SoC, or circuits and CPUs for implementing FPGA functions may be formed on a silicon substrate and packaged separately into a chip, which is also referred to as SoPC (system on a programmable chip).

The present application also provides a communication system that includes at least one or more of a terminal device, an access network device, or a location server.

Embodiments of the present application further provide a computer-readable storage medium, which includes instructions that, when executed on a computer, cause the computer to control a network device to perform any one of the implementations shown in the foregoing method embodiments.

Embodiments of the present application further provide a computer program product, which includes computer program code, when the computer program code runs on a computer, the computer is caused to execute any implementation manner shown in the foregoing method embodiments.

The embodiment of the present application further provides a chip system, which includes a memory and a processor, where the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that the chip executes any implementation manner shown in the foregoing method embodiments.

An embodiment of the present application further provides a chip system, which includes a processor, where the processor is configured to call and run a computer program, so that the chip executes any implementation manner shown in the foregoing method embodiment.

It should be noted that the above-described embodiments of the apparatus are merely schematic, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiments of the apparatus provided in the present application, the connection relationship between the modules indicates that there is a communication connection therebetween, and may be implemented as one or more communication buses or signal lines.

Through the above description of the embodiments, those skilled in the art will clearly understand that the present application can be implemented by software plus necessary general-purpose hardware, and certainly can also be implemented by special-purpose hardware including special-purpose integrated circuits, special-purpose CPUs, special-purpose memories, special-purpose components and the like. Generally, functions performed by computer programs can be easily implemented by corresponding hardware, and specific hardware structures for implementing the same functions may be various, such as analog circuits, digital circuits, or dedicated circuits. However, for the present application, the implementation of a software program is more preferable. Based on such understanding, the technical solution of the present application may be essentially embodied in the form of a software product, where the computer software product is stored in a readable storage medium, such as a floppy disk, a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk of a computer, and includes several instructions to enable a computer device to execute the method according to the embodiments of the present application.

In the above embodiments, all or part of the implementation may be realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product.

The computer program product includes one or more computer instructions. The procedures or functions described in accordance with the embodiments of the application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions can be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be transmitted from one website, computer, communication apparatus, computing device, or data center to another website, computer, communication apparatus, computing device, or data center by wire (e.g., coaxial cable, fiber optics, digital Subscriber Line (DSL)), or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that a computer can store or a data storage device including one or more available media integrated communications apparatus, data centers, and the like. The usable medium may be a magnetic medium (e.g., a floppy Disk, a hard Disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not imply any order of execution, and the order of execution of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

Those of ordinary skill in the art will appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be essentially or wholly or partially embodied in the form of a software product, which is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application.

Claims

1. A method for updating time error information, comprising:

the terminal device sends the first association relation and/or the first indication information to the network device,

2. The method of claim 1,

the first indication information is specifically used to indicate that the first association is dynamic or static, or indicate that the first association supports update reporting, or indicate that the first association does not support update reporting, where,

the dynamic first association indicates that the first association will change,

the static first incidence relation indicates that the first incidence relation is not changed.

3. The method of any of claims 1-2, wherein the network device is an access network device, the method further comprising:

the first indication information indicates that the first association relation will change or support updating, and the terminal device sends the updated first association relation or the changed first association relation to the access network device.

4. The method according to any of claims 2-3, wherein when the first indication information indicates that the first association relationship is dynamic, the network device comprises an access network device and a positioning server, the method further comprising:

and the terminal equipment sends the updated first incidence relation or the changed first incidence relation to the positioning server.

5. The method according to any of claims 2-3, wherein when the first indication information indicates that the first association is dynamic, the terminal device sends the first association and/or the first indication information to the network device, the network device includes an access network device and a location server, and the method includes:

the terminal equipment sends the first indication information to the access network equipment;

and the terminal equipment sends the first association relation to the positioning server.

6. A method according to any one of claims 2-3, wherein when the first indication information indicates that the first association is static, the terminal device sends the first association and/or the first indication information to the network device, the network device includes an access network device and a positioning server, and the method includes:

and the terminal equipment sends the first association relation to the access network equipment so that the access network equipment forwards the first association relation to the positioning server.

7. The method according to any of claims 1-6, wherein the time error information is used to indicate a time error corresponding to a radio frequency link for the terminal device to transmit the positioning reference signal, or a time error corresponding to an antenna panel for transmitting the positioning reference signal;

8. A method for updating time error information, comprising:

the access network equipment receives the first association relation and/or the first indication information from the terminal equipment,

9. The method of claim 8, wherein the first indication information is specifically used to indicate that the first association is dynamic or static, or indicate that the first association supports updated reporting, or indicate that the first association does not support updated reporting, wherein,

the dynamic first association indicates that the first association will change,

10. The method according to claim 9, wherein when the first indication information indicates that the first association is static, the access network device receives the first association from the terminal device and/or the first indication information, and the method includes:

and the access network equipment forwards the first association relation to a positioning server.

11. The method according to claim 9, wherein when the first indication information indicates that the first association is dynamic, the access network device receives the first association and/or the first indication information from the terminal device, and the method includes:

the access network equipment receives the first indication information from the terminal equipment;

and the access network equipment forwards the first indication information to a positioning server.

12. The method according to any of claims 8-11, wherein the time error information is used to indicate a time error corresponding to a radio frequency link for the terminal device to transmit the positioning reference signal, or a time error corresponding to an antenna panel for transmitting the positioning reference signal;

13. The method according to any one of claims 8-12, further comprising:

the first indication information indicates that the first association relationship may change or support updating, and the access network device receives the updated first association relationship or the changed first association relationship from the terminal device.

14. A method for updating time error information, comprising:

the positioning server receives the first association relation and/or the first indication information from the terminal equipment,

15. The method of claim 14, wherein the first indication information is specifically used to indicate that the first association is dynamic or static, or indicate that the first association supports update reporting, or indicate that the first association does not support update reporting, wherein,

the dynamic first relationship indicates that the first relationship may change,

16. The method according to claim 15, wherein when the first indication information indicates that the first association is static, the positioning server receives the first association from the terminal device and/or the first indication information, and the method comprises:

and the positioning server receives the first association relation forwarded by the access network equipment, wherein the first association relation comes from the terminal equipment.

17. The method according to claim 16, wherein when the first indication information indicates that the first association relationship is dynamic, the method further comprises:

and the positioning server receives the updated first incidence relation or the changed first incidence relation from the terminal equipment.

18. The method according to any of claims 14-17, wherein the time error information is used to indicate a time error corresponding to a radio frequency link for the terminal device to transmit the positioning reference signal, or a time error corresponding to an antenna panel for transmitting the positioning reference signal;

19. A communications apparatus, comprising:

at least one processor; and the number of the first and second groups,

a memory communicatively coupled to the at least one processor, a communication interface;

wherein the memory stores instructions executable by the at least one processor to perform the method of any of claims 1-7, and/or claims 8-13, and/or claims 14-18 by executing the instructions stored by the memory.

20. The communications device of claim 19, further comprising a transceiver, the transceiver circuitry being coupled to the communications interface;

the transceiver is used for transmitting data or signals;

the transceiver is also used to receive data or signals.

21. A computer-readable storage medium, on which a computer program (instructions) is stored, which program (instructions), when executed by a processor, carries out the method according to any one of claims 1-7, and/or claims 8-13, and/or claims 14-18.

22. A chip system, characterized in that the chip system comprises at least one processor for executing a computer program or instructions, which when executed in the at least one processor, causes the method according to any of claims 1-7, and/or claims 8-13, and/or claims 14-18 to be implemented.