CN113271186A

CN113271186A - Information processing method, device, equipment and computer readable storage medium

Info

Publication number: CN113271186A
Application number: CN202010093012.9A
Authority: CN
Inventors: 任晓涛; 任斌; 达人; 李辉; 赵铮; 李刚; 张振宇
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2021-08-17
Anticipated expiration: 2040-02-14
Also published as: CN113271186B; WO2021159810A1

Abstract

The invention discloses an information processing method, an information processing device, information processing equipment and a computer readable storage medium, and relates to the technical field of communication to improve the positioning accuracy of an uplink reference signal. The method comprises the following steps: determining a target uplink positioning reference signal resource or resource set according to a resource transmission pattern, the target uplink positioning reference signal resource or resource set configured to a transmit state; and sending the target uplink positioning reference signal resource or resource set. The embodiment of the invention can improve the positioning precision of the uplink reference signal.

Description

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

Technical Field

The present invention relates to the field of communications technologies, and in particular, to an information processing method, an information processing apparatus, information processing equipment, and a computer-readable storage medium.

Background

In uplink positioning, an SRS (Sounding Reference Signal) Signal is an effective positioning Reference Signal, because the SRS Signal can be independently configured based on different UEs (User Equipment), different bandwidths and time domain resources can be configured, and the SRS can be transmitted in different beam directions.

However, in the uplink positioning operation, the SRS transmitted by the terminal needs to reach different base stations, and the distances between the different base stations and the terminal are different, so different transmission powers are required; similarly, different base stations may require the terminal to transmit different beam directions in different geographical directions of the terminal. More importantly, when the SRS signal arrives at the base station receiver, the base station needs to be able to accurately listen and detect the SRS signal, so as to further perform the estimation of the time delay and the angle.

In the process of interception and detection, a key condition is that the interference suffered by the SRS signal is low, and meanwhile, the received signal-to-noise ratio is high, so that the accuracy and precision of positioning can be ensured. Therefore, how to improve the positioning accuracy of the uplink positioning reference signal is an important consideration.

Disclosure of Invention

The embodiment of the invention provides an information processing method, an information processing device, information processing equipment and a computer readable storage medium, which are used for improving the positioning accuracy of an uplink reference signal.

In a first aspect, an embodiment of the present invention provides an information processing method, applied to a terminal, including:

determining a target uplink positioning reference signal resource or resource set according to a resource transmission pattern, the target uplink positioning reference signal resource or resource set configured to a transmit state;

and sending the target uplink positioning reference signal resource or resource set.

Wherein the resource transmission pattern comprises a muting pattern and the transmission status comprises a non-muting status.

Wherein the muting pattern comprises a bitmap of length N, N being an integer greater than or equal to 1;

the muting pattern is used for a periodic uplink positioning reference signal;

the uplink Positioning Reference Signal comprises a Sounding Reference Signal for Positioning, which is used for SRS-Pos (Sounding Reference Signal for Positioning).

Wherein the muting pattern comprises any one of the following forms of muting pattern:

a first muting pattern corresponding to a first bitmap; each bit in the first bitmap corresponds to at least one contiguous instance of a set of uplink positioning reference signal resources;

a second muting pattern corresponding to a second bitmap; each bit in the second bitmap corresponds to a single repetition index of each uplink positioning reference signal resource in an uplink positioning reference signal resource set instance.

Wherein the first bitmap and the second bitmap are used for indicating a muting pattern of uplink positioning reference signal resources or resource sets of the uplink positioning reference signal within one period.

Wherein for the first bitmap, if a first uplink positioning reference signal resource set instance is muted in the first bitmap, all uplink positioning reference signal resources in the first uplink positioning reference signal resource set instance are muted.

Wherein the length of the second bitmap is equal to the number of uplink positioning reference signal resources in a single uplink positioning reference signal resource set.

Wherein, for the second bitmap, if a single repetition index of an uplink positioning reference signal resource in an uplink positioning reference signal resource set instance is muted in the second bitmap, the uplink positioning reference signal resources corresponding to the single repetition index in all uplink positioning reference signal resource set instances are muted.

Wherein N is configurable, and a value of N is selected from the set M: m ═ 2, 4, 8, 16, 32.

Wherein the method further comprises:

acquiring configuration information, wherein the configuration information is used for indicating a silencing scheme used by the terminal.

Wherein the muting scheme used by the terminal takes any one of the following forms:

using only the first muting pattern;

using only the second muting pattern;

simultaneously using the first muting pattern and the second muting pattern.

Wherein, in case that the muting scheme used by the terminal is to simultaneously use the first muting pattern and the second muting pattern, the method further comprises:

performing logical AND operation on each bit in the first bitmap and all bits in the second bitmap to obtain a final silent pattern;

determining a target uplink positioning reference signal resource or resource set according to the resource transmission pattern includes:

and determining the target uplink positioning reference signal resource or resource set according to the final silence pattern.

In a second aspect, an embodiment of the present invention provides an information processing method, applied to a first network-side device, including:

receiving a target uplink positioning reference signal resource or resource set sent by a terminal, the target uplink positioning reference signal resource or resource set being configured to be in a sending state, wherein the target uplink positioning reference signal resource or resource set is determined by the terminal according to a resource transmission pattern.

Wherein the method further comprises:

coordinating the used muting pattern with the second network-side device.

Wherein the coordinating the used muting pattern with the second network side device comprises:

coordinating the used silent pattern with the second network side device under the condition that the signal quality of the uplink positioning reference signal received by the target terminal is lower than a first preset threshold value or the signal strength of the uplink positioning reference signal received by the target terminal is lower than a second preset threshold value;

and the target terminal belongs to the second network side equipment.

Wherein, the Quality of the uplink positioning Reference Signal includes SINR (Signal-to-noise and interference plus noise ratio) or RSRQ (Reference Signal Received Quality);

the strength of the uplink positioning Reference Signal includes RSRP (Reference Signal Received Power).

Wherein the coordination of the used muting pattern with the second network side device includes at least one of the following ways:

sending a muting pattern used by the first network side device to the second network side device, and/or receiving a muting pattern used by the second network side device sent by the second network side device;

sending a silence pattern used by the first network side device to an LMF (Location Management Function), so that the LMF sends the silence pattern used by the first network side device to the second network side device, and/or receives the silence pattern used by the second network side device sent by the LMF;

receiving a silence pattern allocated by an LMF, wherein the LMF allocates a silence pattern for the first network-side device from a common silence pattern set.

Wherein the method further comprises:

and carrying out interference cancellation by using the silence pattern obtained from the third network side equipment.

In a third aspect, an embodiment of the present invention provides an information processing apparatus, which is applied to a terminal, and includes:

a first determining module, configured to determine a target uplink positioning reference signal resource or resource set according to a resource transmission pattern, the target uplink positioning reference signal resource or resource set being configured in a sending state;

a first sending module, configured to send the target uplink positioning reference signal resource or resource set.

In a fourth aspect, an embodiment of the present invention provides an information processing apparatus, which is applied to a first network-side device, and includes:

a first receiving module, configured to receive a target uplink positioning reference signal resource or resource set sent by a terminal, where the target uplink positioning reference signal resource or resource set is configured in a sending state, and the target uplink positioning reference signal resource or resource set is determined by the terminal according to a resource transmission pattern.

In a fifth aspect, an embodiment of the present invention provides an information processing apparatus, which is applied to a terminal, and includes: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is used for reading the program in the memory and executing the following processes:

the muting pattern is used for a periodic uplink positioning reference signal;

the uplink positioning reference signal comprises SRS-Pos.

Wherein the processor is further configured to read the program in the memory and execute the following processes:

using only the first muting pattern;

using only the second muting pattern;

simultaneously using the first muting pattern and the second muting pattern.

when the silencing scheme used by the terminal is that the first silencing pattern and the second silencing pattern are used simultaneously, performing logical AND operation on each bit in the first bitmap and all bits in the second bitmap to obtain a final silencing pattern;

In a fourth aspect, an embodiment of the present invention provides an information processing apparatus, which is applied to a first network side apparatus, and includes: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; the processor is used for reading the program in the memory and executing the following processes:

coordinating the used muting pattern with the second network-side device.

and the target terminal belongs to the second network side equipment.

Wherein the processor is further configured to read the program in the memory, and execute the following processes according to at least one of the following modes:

sending a muting pattern used by the first network side device to an LMF (local mean network) so that the LMF sends the muting pattern used by the first network side device to the second network side device, and/or receives the muting pattern sent by the LMF and used by the second network side device;

In a fifth aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the method of the first aspect or the second aspect as described above.

In the embodiment of the present invention, the resource transmission pattern is used to determine and transmit the target uplink positioning reference signal resource or resource set, thereby avoiding or reducing uplink interference between network side devices when the network side devices receive uplink positioning reference signals transmitted by respective terminals. Therefore, the scheme of the embodiment of the invention can improve the positioning accuracy of the uplink reference signal.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a flow chart of an information processing method provided by an embodiment of the invention;

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

fig. 3 is one of the schematic diagrams of the silence pattern provided by the embodiment of the present invention;

FIG. 4 is a second schematic diagram of a silence pattern provided by an embodiment of the present invention;

FIG. 5 is a third schematic diagram of a silence pattern provided by an embodiment of the present invention;

fig. 6 is a schematic diagram of a silence pattern coordination manner provided by an embodiment of the present invention;

FIG. 7 is a diagram illustrating a second method of coordinating silence patterns according to an embodiment of the present invention;

FIG. 8 is a third schematic diagram illustrating a coordination manner of silence patterns according to an embodiment of the present invention;

FIG. 9 is one of the configuration diagrams of an information processing apparatus provided by the embodiment of the present invention;

FIG. 10 is a second block diagram of an information processing apparatus according to an embodiment of the present invention;

FIG. 11 is a third block diagram of an information processing apparatus according to an embodiment of the present invention;

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

fig. 13 is one of the structural diagrams of an information processing apparatus provided by the embodiment of the present invention;

fig. 14 is a second block diagram of an information processing apparatus according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a flowchart of an information processing method provided by an embodiment of the present invention, and is applied to a terminal, as shown in fig. 1, including the following steps:

step 101, determining a target uplink positioning reference signal resource or resource set according to a resource transmission pattern, the target uplink positioning reference signal resource or resource set being configured in a sending state.

In this embodiment of the present invention, the resource transmission Pattern includes a Muting Pattern (Muting Pattern), and the transmission status includes a non-Muting status.

Wherein the muting pattern comprises a bitmap (bitmap) of length N, N being an integer greater than or equal to 1. Meanwhile, the muting pattern is used for a periodic uplink positioning reference signal. Specifically, the uplink positioning reference signal includes SRS-Pos.

In a specific application, the muting pattern comprises any one of the following forms of muting pattern:

in a first form: the muting pattern is a first muting pattern, which corresponds to a first bitmap; each bit in the first bitmap corresponds to at least one contiguous instance of a set of uplink positioning reference signal resources.

In this form, for the first bitmap, if a first uplink positioning reference signal resource set instance is muted in the first bitmap, all uplink positioning reference signal resources in the first uplink positioning reference signal resource set instance are muted.

In a second form: the muting pattern is a second muting pattern, the second muting pattern corresponding to a second bitmap; each bit in the second bitmap corresponds to a single repetition index of each uplink positioning reference signal resource in an uplink positioning reference signal resource set instance. Wherein the length of the second bitmap is equal to the number of uplink positioning reference signal resources in a single uplink positioning reference signal resource set.

In this form, for the second bitmap, if a single repetition index of an uplink positioning reference signal resource in an uplink positioning reference signal resource set instance is muted in the second bitmap, uplink positioning reference signal resources corresponding to the single repetition index in all uplink positioning reference signal resource set instances are muted.

In both forms of the muting pattern, N is configurable, and the value of N is selected from the set M: m ═ 2, 4, 8, 16, 32.

And 102, sending the target uplink positioning reference signal resource or resource set.

In the embodiment of the invention, the resource transmission pattern is used for determining and sending the target uplink positioning reference signal resource or resource set, thereby avoiding or reducing uplink interference between network side equipment borne by the network side equipment when receiving uplink positioning reference signals sent by respective terminals. Therefore, the scheme of the embodiment of the invention can improve the positioning accuracy of the uplink reference signal.

In addition, to further improve the positioning accuracy of the uplink reference signal and facilitate the terminal to determine which form of the muting pattern to adopt, on the basis of the above embodiment, the sending may further include:

the terminal acquires configuration information, wherein the configuration information is used for indicating a silencing scheme used by the terminal. The configuration information may be pre-stored in the terminal, may also be agreed by a protocol, or may also be sent to the terminal by the network side device.

using only the first muting pattern;

using only the second muting pattern;

simultaneously using the first muting pattern and the second muting pattern.

If the configuration information indicates that the terminal uses the first silent pattern and the second silent pattern at the same time, the terminal further needs to perform certain operation according to the first silent pattern and the second silent pattern, so as to obtain a final silent pattern. Specifically, the terminal performs a logical AND (AND) operation on each bit in the first bitmap AND all bits in the second bitmap to obtain a final silent pattern. Then, the step 101 is specifically: and determining the target uplink positioning reference signal resource or resource set according to the final silence pattern.

Referring to fig. 2, fig. 2 is a flowchart of an information processing method provided by an embodiment of the present invention, and is applied to a first network-side device, as shown in fig. 2, including the following steps:

step 201, receiving a target uplink positioning reference signal resource or resource set sent by a terminal, where the target uplink positioning reference signal resource or resource set is configured to be in a sending state.

Wherein the target uplink positioning reference signal resource or resource set is determined by the terminal according to a resource transmission pattern. The resource transmission pattern comprises a muting pattern, and the transmission status comprises a non-muting status.

In order to further reduce uplink interference between network side devices when the network side devices receive uplink positioning reference signals sent by respective terminals, the network side devices may also coordinate respective used muting patterns.

Therefore, on the basis of the above embodiment, the method may further include: the first network side device coordinates the muting pattern used with the second network side device. For example, taking network side equipment as a base station as an example, the muting patterns used by the base stations can be coordinated among the base stations through an Xn interface among the base stations or through an LMF manner.

Specifically, the first network side device coordinates the used silence pattern with the second network side device when the signal quality of the uplink positioning reference signal received by the target terminal is lower than a first preset threshold, or when the signal strength of the uplink positioning reference signal received by the target terminal is lower than a second preset threshold; and the target terminal belongs to the second network side equipment. By adopting the event triggering coordination mode, only the most urgent coordination request can be sent out, thereby being beneficial to adopting mutually staggered SRS resources among network side equipment and improving the coordination effect of stronger interference.

Wherein the quality of the uplink positioning reference signal comprises SINR or RSRQ; the strength of the uplink positioning reference signal comprises RSRP.

Wherein the first network side device may coordinate the used muting pattern with the second network side device in at least one of the following manners:

(1) and sending the muting pattern used by the first network side device to the second network side device, and/or receiving the muting pattern used by the second network side device sent by the second network side device.

That is, in this manner, the first network-side device and the second network-side device interact with each other through the Xn interface to use the respective muting patterns.

For example, the base station a sends the muting pattern a used by itself to the adjacent base station B through the inter-base station Xn interface, and after receiving the muting pattern a, the adjacent base station B of the base station a adopts the muting pattern B which is orthogonal or staggered to the muting pattern a as much as possible.

(2) Sending the muting pattern used by the first network side device to the LMF, so that the LMF sends the muting pattern used by the first network side device to the second network side device, and/or receives the muting pattern used by the second network side device sent by the LMF.

That is, in this manner, the first network-side device and the second network-side device interact with the respective used muting patterns through the LMF.

For example, base station a and base station B report the muting patterns a and B used by each to the LMF by reporting. After receiving the information, the LMF informs the base station A of the silence pattern B of the adjacent base station B around the base station A and also informs the base station B of the silence pattern a of the adjacent base station A around the base station B, and the base station A and the base station B adopt the mutually orthogonal or staggered silence patterns as much as possible.

(3) Receiving a silence pattern allocated by an LMF, wherein the LMF allocates a silence pattern for the first network-side device from a common silence pattern set.

That is, in this manner, each network-side device is assigned a muting pattern by the LMF. The LMF sets a common silence pattern set, the common set contains the silence patterns of all terminals for positioning, and the silence patterns are mutually orthogonal or low-correlated. Then, the LMF may allocate different muting patterns to different network-side devices, and the different network-side devices try to adopt the muting patterns that are orthogonal or staggered with each other.

In addition, to further reduce interference, the first network side device may also perform interference cancellation using a muting pattern obtained from the third network side device. The third network side device refers to any network side device, and may be the second network side device described above, for example. The interference cancellation method may also adopt an interference method in the prior art, which is not limited in the embodiment of the present invention.

In the following embodiments, a detailed implementation process of the embodiments of the present invention is described in detail by taking an example that a resource transmission pattern is a silent pattern and a transmission status is a non-silent status.

Specifically, in the embodiment of the present invention, according to the muting pattern, the terminal determines the uplink positioning reference signal resource or resource set configured in the non-muting state, and sends the uplink positioning reference signal resource or resource set in the non-muting state.

Correspondingly, at the network side device side, the uplink positioning reference signal resource or resource set configured in the non-silent state sent by the terminal is received. Meanwhile, the silencing patterns used by the network side devices can be coordinated among the network side devices, and interference elimination can be carried out by utilizing the silencing patterns obtained from other network side devices.

Wherein the silence pattern refers to a bitmap (bitmap) with a length of N. The muting pattern is applicable to a periodic uplink positioning reference signal. The uplink positioning reference signal refers to sounding reference signal SRS-Pos applied to positioning.

In the embodiment of the present invention, the silence pattern includes the following two implementation schemes:

in the first scheme, each bit in the bitmap corresponds to at least one continuous instance of one uplink positioning reference signal resource set (in one periodically transmitted uplink positioning reference signal resource set). Once an uplink positioning reference signal resource set instance is muted in the bitmap, all uplink positioning reference signal resources in the resource set instance are muted.

And in the second scheme, each bit in the bitmap corresponds to a single repeated index of each uplink positioning reference signal resource in an uplink positioning reference signal resource set example, and the length of the bitmap is equal to the number of the uplink positioning reference signal resources in a single uplink positioning reference signal resource set.

Wherein the length N of the muting pattern bitmap is configurable, and a value of N is selected from the set M, {2, 4, 8, 16, 32 }.

In practical applications, the terminal may be configured to employ a combination of the two above-mentioned muting pattern schemes in the following form:

(1) using only the silence pattern scheme one;

(2) using only silent pattern scheme two;

(3) the silence pattern scheme one and scheme two are used simultaneously.

If the above approach (3) is adopted, then the logical AND (AND) operation is applied to the silence pattern one AND silence pattern two, that is, for each bit in the silence pattern scheme one bitmap, all bits in the logical AND (AND) AND silence pattern scheme two bitmaps are used for operation.

In the following, the specific implementation process of the embodiment of the present invention is described with reference to different muting patterns.

In the following embodiments, the terminal is configured to use only the muting pattern scheme one. That is, each bit in the bitmap corresponds to at least one consecutive instance of one set of uplink positioning reference signal resources (in one periodically transmitted set of uplink positioning reference signal resources). Once an uplink positioning reference signal resource set instance is muted in the bitmap, all uplink positioning reference signal resources in the resource set instance are muted.

In the embodiment of the present invention, each bit is used to silence the entire uplink positioning reference signal resource set, and 1 bit may silence multiple consecutive uplink positioning reference signal resource sets.

The silence refers to that the terminal does not send the uplink positioning reference signal resource or the uplink positioning reference signal resource set.

As shown in fig. 3, the uplink positioning reference signal is an SRS, and the uplink positioning reference signal is a schematic diagram of SRS set transmission time domain positions at a 120KHz subcarrier interval. The SRS resource set period of the terminal is 80ms, and the SRS resource set period of the terminal includes 80 subframes. Since it is 120KHz, a sub-frame contains 8 slots, and each small bar represents a slot. The small white bars represent slots that do not contain SRS resources and the small black bars represent slots that contain SRS resources. In this embodiment, each SRS resource occupies 12 symbols, so each slot can accommodate only one SRS resource. Each period includes 4 SRS resource sets, 1 SRS resource set includes 4 SRS resources, and SRS resources belonging to the same SRS resource set are represented by the same color.

(1) If each bit in the muting pattern bitmap corresponds to one SRS resource set, 4 bits are needed as the bitmap of the scheme, and each bit in the 4 bits corresponds to one SRS resource set, for example, when the bitmap is 0101, it means that SRS resource 1 set and SRS resource 3 set are muted and will not be transmitted by the terminal. While SRS resource set 2 and SRS resource set 4 are not muted and will be transmitted by the terminal.

(2) If each bit in the muting pattern bitmap corresponds to multiple continuous SRS resource sets, for example, each bit corresponds to 2 continuous SRS resource sets, then 2 bits are needed as the bitmap of the scheme, and each bit in the 2 bits corresponds to two SRS resource sets, for example, when the bitmap is 10, it means that SRS resource 3 and SRS resource 4 are muted and will not be transmitted by the terminal. And SRS resource set 1 and SRS resource set 2 are not muted and will be transmitted by the terminal.

The above is that bit 0 is used in the silence pattern bitmap to represent silence, and bit 1 represents non-silence; of course, bit 1 may be used to represent silence and bit 0 may represent no silence.

In the embodiment of the present invention, the muting pattern scheme can be used to mute the entire uplink positioning reference signal resource set or to mute multiple consecutive uplink positioning reference signal resource sets with 1 bit, which has the advantage of relatively low signaling overhead.

In the following embodiments, the terminal is configured to use only the muting pattern scheme two. That is, each bit in the bitmap corresponds to a single repetition index of each uplink positioning reference signal resource in an uplink positioning reference signal resource set instance, and the length of the bitmap is equal to the number of uplink positioning reference signal resources in a single uplink positioning reference signal resource set.

In this scheme, each bit is a muting single uplink positioning reference signal resource and is applicable to all uplink positioning reference signal resource set instances to which the uplink positioning reference signal resource belongs. Namely: if the terminal configures a plurality of uplink positioning reference signal resource set instances, the uplink positioning reference signal resource corresponding to the index number in each resource set instance is muted.

As shown in fig. 4, the uplink positioning reference signal is an SRS, and the uplink positioning reference signal is a schematic diagram of SRS set transmission time domain positions at a 120KHz subcarrier interval. The SRS resource set period of the terminal is 80ms, and the SRS resource set period of the terminal includes 80 subframes. Since it is 120KHz, a sub-frame contains 8 slots, and each small bar represents a slot. The small white bars represent slots that do not contain SRS resources and the small black bars represent slots that contain SRS resources. In this embodiment, each SRS resource occupies 12 symbols, so each slot can accommodate only one SRS resource. Each period includes 4 SRS resource sets, 1 SRS resource set includes 4 SRS resources, and SRS resources belonging to the same SRS resource set are represented by the same color.

According to the scheme of the second muting pattern scheme, since each bit in the muting pattern bitmap corresponds to one SRS resource in a single SRS resource set, and a single SRS resource set in fig. 4 contains 4 SRS resources, according to fig. 4, 4 bits are needed as the bitmap of the scheme, and each bit in the 4 bits corresponds to one SRS resource and is an SRS resource corresponding to a corresponding position in the 4 SRS resource sets. For example, when the bitmap is 0101, it indicates that SRS resource 1 and SRS resource 3 in each of the 4 SRS resource sets are muted and will not be transmitted by the terminal. And SRS resource 2 and SRS resource 4 are not muted and will be transmitted by the terminal. In this case, a total of 8 SRS resources are muted (4 SRS resource sets × 2 SRS resources).

In the embodiment of the invention, the silence pattern scheme can use 1 bit to silence the uplink positioning reference signal resource with a single index number, and has the advantages of high flexibility and capability of selectively concentrating the silence resource into a single uplink positioning reference signal resource.

In the following embodiments, the terminal is configured to use the muting pattern scheme one and the muting pattern scheme two. That is, the first AND second muting pattern schemes can be configured for use simultaneously, AND if both muting pattern schemes are configured, a logical AND (AND) operation is applied, that is, for each bit in the first muting pattern scheme bitmap, all bits of the logical AND (AND) AND second muting pattern scheme bitmaps are used for operation.

As shown in fig. 5, if the bitmap of the first muting pattern scheme is 10 AND the bitmap of the second muting pattern scheme is 0101, both are to apply a logical AND (AND) operation, that is, since the first bit of the first muting pattern scheme corresponds to SRS resource set 1 AND SRS resource set 2, AND is 1, which indicates that it is not muted, then SRS resource set 1 AND SRS resource set 2 can be muted next directly using the bitmap 0101 of the second muting pattern scheme, that is, the 1 st SRS resource AND the 3 rd SRS resource of SRS resource set 1 AND SRS resource set 2 are muted, AND the 2 nd AND 4 th SRS resources are not muted. Since the second bit of the first muting pattern scheme is 0, which indicates muting, the 3 rd SRS resource set and the 4 th SRS resource set corresponding to the bit need muting, and then all SRS resources in the two SRS resource sets need muting, and the bitmap of the second muting pattern scheme does not need to be checked.

In the embodiment of the invention, the uplink positioning reference signal resource of the whole uplink reference signal resource set and the single index number can be silenced by simultaneously using the first silence pattern scheme and the second silence pattern scheme.

For the above-described muting patterns, coordination among different base stations or cells can be performed in several ways. In the following, coordination between two different base stations is described as an example. The coordination principle is the same when coordination is performed between more than three base stations or more than two different cells.

Coordination mode 1: the muting pattern is coordinated between base stations (no LMF participation): the base station A sends the silence pattern a used by the base station A to the adjacent base station B through the Xn interface between the base stations, and after receiving the silence pattern a, the adjacent base station B of the base station A adopts the silence pattern B which is orthogonal or staggered with the silence pattern a as much as possible.

Coordination mode 2: the muting pattern is reported to the LMF, coordinated by the LMF (LMF participation): the base station A and the base station B report the silence pattern a and the silence pattern B used by the base station A and the base station B to the LMF through the report, after the LMF receives the report, the LMF informs the base station A of the silence pattern B of the adjacent base station B around the base station A and also informs the base station B of the silence pattern a of the adjacent base station A around the base station B, and the base station A and the base station B adopt the mutually orthogonal or staggered silence patterns as much as possible.

Coordination mode 3: LMF sets a common muting pattern set (LMF control): the LMF sets a common silence pattern set, the common set comprises silence patterns of all users for positioning, and the silence patterns are mutually orthogonal or low-correlated. The LMF may then assign different muting patterns to different base stations, with the different base stations attempting to employ muting patterns that are orthogonal or staggered with respect to each other.

In the above three coordination schemes, the muting patterns are transmitted between base stations and can also be used for interference cancellation. For example, after the base station a acquires the muting pattern B of the surrounding base station B through the Xn interface or the LMF, the base station a performs interference cancellation by using the muting pattern B of the base station B.

In coordinating, event-triggered coordination may be employed. For example, when the base station a finds that the Quality (e.g., SINR (Signal-to-interference and noise ratio) or RSRQ (Reference Signal Received Quality)) or strength (e.g., RSRP (Reference Signal Received Power)) of an uplink Reference Signal Received by itself from the UE belonging to the base station B is lower than a predetermined threshold, the inter-base station Xn interface or LMF coordination is performed.

The above coordination schemes and specific coordination modes are described below with reference to different embodiments.

In one embodiment of the invention, the muting pattern is coordinated between base stations (without participation of LMFs): the base station A sends the silence pattern a used by the base station A to the adjacent base station B through the Xn interface between the base stations, and after the adjacent base station B of the base station A receives the silence pattern a, the adjacent base station B adopts the silence pattern B which is orthogonal or staggered with the silence pattern a as much as possible.

As shown in fig. 6, the serving base station of UE1 is gNB1, UE1 transmits an uplink positioning reference signal SRS, and gnbs 1-gNB 5 all need to listen to the SRS to complete positioning calculation. In order to avoid mutual interference caused by collision of SRS resources between the SRS transmitted by the UE1 and the SRS transmitted by the UEs served by the gNB 2-gNB 5, the gNB1 sends the muting pattern a used by itself to the neighboring base stations gNB 2-gNB 5 through an Xn interface between the gNB and the gNB, and the neighboring base stations gNB 2-gNB 5 adopt the muting patterns b, c, d, e orthogonal or staggered to the muting pattern a as much as possible after receiving the muting pattern a transmitted by the gNB1, so that the UEs served by the gNB 2-gNB 5 adopt resources different from the SRS resources used by the UE1 when transmitting the SRS, thereby avoiding mutual interference between the UEs.

The silence pattern is coordinated among the base stations in an Xn interface mode among the base stations, so that uplink interference among the base stations borne when the base stations receive uplink positioning reference signals sent by respective service terminals is avoided or reduced, and the receiving quality and the positioning accuracy of the uplink reference signals are improved.

In one embodiment of the invention, the muting pattern is reported to the LMF, coordinated by the LMF (LMF participation): the base station A and the base station B report the silence pattern a and the silence pattern B used by the base station A and the base station B to the LMF through the report, after the LMF receives the report, the LMF informs the base station A of the silence pattern B of the adjacent base station B around the base station A and also informs the base station B of the silence pattern a of the adjacent base station A around the base station B, and the base station A and the base station B adopt the mutually orthogonal or staggered silence patterns as much as possible.

As shown in fig. 7, the serving base station of UE1 is gNB1, UE1 transmits an uplink positioning reference signal SRS, and gnbs 1-gNB 5 all need to listen to the SRS to complete positioning calculation. In order to avoid mutual interference caused by SRS resource collision between the SRS sent by the UE1 and the SRS sent by the UE served by the gNB 2-gNB 5, the gNB1 sends the muting pattern a used by the gNB1 to the positioning management function unit LMF, and the neighbor base stations gNB 2-gNB 5 also send the respective muting patterns b, c, d, e to the positioning management function unit LMF. After receiving the muting patterns b, c, d and e of adjacent base stations gNB 2-gNB 5 around gNB1, the LMF notifies gNB1 of the muting patterns b, c, d and e, and also notifies gNB 2-gNB 5 of the muting pattern a of gNB1, and the gNB1 and the gNB 2-gNB 5 adopt the muting patterns which are orthogonal or staggered with each other as much as possible. Thus, when UEs served by the gnbs 2-5 transmit SRS, SRS resources different from those used by the UE1 are used, thereby avoiding mutual interference between the UEs.

The silence pattern is coordinated among the base stations in an LMF mode, so that uplink interference among the base stations borne when the base stations receive uplink positioning reference signals sent by respective service terminals is avoided or reduced, and the receiving quality and the positioning accuracy of the uplink reference signals are improved.

In one embodiment of the invention, the LMF sets a common muting pattern set (LMF control): the LMF sets a common silence pattern set, the common set comprises silence patterns of all users for positioning, and the silence patterns are mutually orthogonal or low-correlated. The LMF may then assign different muting patterns to different base stations, with the different base stations attempting to employ muting patterns that are orthogonal or staggered with respect to each other.

As shown in fig. 8, the serving base station of UE1 is gNB1, UE1 transmits an uplink positioning reference signal SRS, and gnbs 1-gNB 5 all need to listen to the SRS to complete positioning calculation. In order to avoid mutual interference caused by SRS resource collision between the SRS sent by the UE1 and the SRS sent by the UE served by the gNB 2-gNB 5, the LMF sets a common muting pattern set { a, b, c, d, e }, wherein the common muting pattern set comprises muting patterns used for positioning of all users, and the muting patterns are mutually orthogonal or low-correlated. The LMF then assigns different muting patterns to different base stations, which try to use muting patterns a, b, c, d, e that are orthogonal or staggered with respect to each other. The gNB1 employs the silence pattern a, and the gnbs 2-gNB 5 employ the silence patterns b, c, d, e, respectively. Thus, when UEs served by the gnbs 2-5 transmit SRS, SRS resources different from those used by the UE1 are used, thereby avoiding mutual interference between the UEs.

The silent patterns are orthogonal or staggered to each other by setting a common resource pool through the LMF, so that uplink interference among base stations borne by the base stations when the base stations receive uplink positioning reference signals sent by respective service terminals is avoided or reduced, and the receiving quality and the positioning accuracy of the uplink reference signals are improved.

In the above three coordination schemes, the muting patterns are transmitted between base stations for interference cancellation. For example, after the base station a acquires the muting pattern B of the surrounding base station B through the Xn interface or the LMF, the base station a performs interference cancellation by using the muting pattern B of the base station B. As described above, under the condition that SRS resources are tight and cannot be coordinated and staggered, the above three coordination schemes may still not ensure that uplink SRS interference cannot be generated between base stations, and under such a condition, the muting patterns B of the neighboring base stations B obtained through the Xn interface or the LMF are helpful for the base station a to perform interference cancellation, because the interference cancellation effect is better under the condition that the interference source and the interference time-frequency position are known.

In the above three coordination schemes, event-triggered coordination is adopted. For example, when the base station a finds that the quality (e.g., SINR or RSRQ) or strength (e.g., RSRP) of the uplink reference signal received by itself from the UE belonging to the base station B is lower than a preset threshold, it will perform coordination by using the Xn interface between the base stations or the LMF interface.

As mentioned above, the base station a does not always send the silence pattern used by itself to the surrounding neighboring base stations through the Xn interface, or perform coordination through the LMF, but adopts time-triggered coordination, that is: when the base station a finds that the quality (e.g., SINR or RSRQ) or strength (e.g., RSRP) of the uplink reference signal received by itself from the UE belonging to the base station B is lower than a preset threshold, it will perform coordination by using the Xn interface between the base stations or the LMF interface. This can avoid the neighboring base stations being unable to stagger the SRS resources when there are too many coordination requests. Only the most urgent coordination request is sent out, which is beneficial for the adjacent base stations to adopt the SRS resources staggered with each other, and improves the coordination effect of strong interference.

As can be seen from the above description, in the embodiment of the present invention, an uplink positioning reference signal muting pattern scheme is used, and the muting patterns are coordinated between the base stations in an Xn interface or LMF manner between the base stations, so that uplink interference between the base stations, which is borne by the base stations when receiving uplink positioning reference signals sent by respective service terminals, is avoided or reduced, and the reception quality and the positioning accuracy of the uplink reference signals are improved.

The embodiment of the invention also provides an information processing device which is applied to the terminal. Referring to fig. 9, fig. 9 is a block diagram of an information processing apparatus according to an embodiment of the present invention. Because the principle of solving the problem of the information processing device is similar to the information processing method in the embodiment of the invention, the implementation of the information processing device can refer to the implementation of the method, and repeated details are not repeated. As shown in fig. 9, the information processing apparatus 900 includes:

a first determining module 901, configured to determine a target uplink positioning reference signal resource or resource set according to a resource transmission pattern, where the target uplink positioning reference signal resource or resource set is configured to be in a sending state; a first sending module 902, configured to send the target uplink positioning reference signal resource or resource set.

Wherein the muting pattern comprises a bitmap of length N, N being an integer greater than or equal to 1; the muting pattern is used for a periodic uplink positioning reference signal; the uplink positioning reference signal comprises SRS-Pos.

For the above two forms of bitmaps, N is configurable, and a value of N is selected from the set M: m ═ 2, 4, 8, 19, 32.

Optionally, as shown in fig. 10, the apparatus may further include: an obtaining module 903, configured to obtain configuration information, where the configuration information is used to indicate a muting scheme used by the terminal.

using only the first muting pattern;

using only the second muting pattern;

simultaneously using the first muting pattern and the second muting pattern.

Wherein, in a case that the muting scheme used by the terminal is to use the first muting pattern and the second muting pattern at the same time, the obtaining module 903 is further configured to perform a logical and operation on each bit in the first bitmap and all bits in the second bitmap to obtain a final muting pattern; at this time, the first determining module 901 is specifically configured to determine the target uplink positioning reference signal resource or resource set according to the final muting pattern.

The apparatus provided in the embodiment of the present invention may implement the method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.

The embodiment of the invention also provides an information processing device which is applied to the first network side equipment. Referring to fig. 11, fig. 11 is a structural diagram of an information processing apparatus according to an embodiment of the present invention. Because the principle of solving the problem of the information processing device is similar to the information processing method in the embodiment of the invention, the implementation of the information processing device can refer to the implementation of the method, and repeated details are not repeated. As shown in fig. 11, the information processing apparatus 1100 includes: a first receiving module 1101, configured to receive a target uplink positioning reference signal resource or resource set sent by a terminal, where the target uplink positioning reference signal resource or resource set is configured to be in a sending state, and the target uplink positioning reference signal resource or resource set is determined by the terminal according to a resource transmission pattern.

Optionally, as shown in fig. 12, the apparatus may further include:

a first processing module 1102, configured to coordinate the used muting pattern with the second network-side device.

Specifically, the first processing module 1102 is configured to coordinate the used muting pattern with the second network-side device when the signal quality of the uplink positioning reference signal received by the target terminal is lower than a first preset threshold, or when the signal strength of the uplink positioning reference signal received by the target terminal is lower than a second preset threshold; and the target terminal belongs to the second network side equipment.

Wherein the first processing module 1102 is configured to coordinate the muting pattern used by the second network-side device by at least one of:

Optionally, as shown in fig. 12, the apparatus may further include: a second processing module 1103, configured to perform interference cancellation using the muting pattern obtained from the third network-side device.

As shown in fig. 13, an information processing apparatus according to an embodiment of the present invention is applied to a first network side apparatus, and includes: a processor 1300, for reading the program in the memory 1320, for executing the following processes:

A transceiver 1310 for receiving and transmitting data under the control of the processor 1300.

In fig. 13, among other things, the bus architecture may include any number of interconnected buses and bridges with various circuits being linked together, particularly one or more processors represented by processor 1300 and memory represented by memory 1320. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 1310 can be a number of elements including a transmitter and a transceiver that provide a means for communicating with various other apparatus over a transmission medium. The processor 1300 is responsible for managing the bus architecture and general processing, and the memory 1320 may store data used by the processor 1300 in performing operations.

The processor 1300 is responsible for managing the bus architecture and general processing, and the memory 1320 may store data used by the processor 1300 in performing operations.

The processor 1300 is further configured to read the program and execute the following steps:

coordinating the used muting pattern with the second network-side device.

and the target terminal belongs to the second network side equipment.

The processor 1300 is further configured to read the program and execute at least one of the following steps:

The device provided by the embodiment of the present invention may implement the above method embodiment, and the implementation principle and technical effect are similar, which are not described herein again.

As shown in fig. 14, an information processing apparatus according to an embodiment of the present invention, applied to a terminal, includes: the processor 1400 is used for reading the program in the memory 1420 and executing the following processes:

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

Where in fig. 14 the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors, represented by the processor 1400, and various circuits of memory, represented by the memory 1420, linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 1410 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different user devices, the user interface 1430 may also be an interface capable of interfacing with a desired device externally, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

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

the muting pattern is used for a periodic uplink positioning reference signal;

the uplink positioning reference signal comprises SRS-Pos.

The processor 1400 is further configured to read the program and execute the following steps:

using only the first muting pattern;

using only the second muting pattern;

simultaneously using the first muting pattern and the second muting pattern.

Wherein, in case that the muting scheme used by the terminal is to simultaneously use the first muting pattern and the second muting pattern, the processor 1400 is further configured to read the program and perform the following steps:

The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the information processing method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.

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

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. With such an understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the methods according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An information processing method applied to a terminal is characterized by comprising the following steps:

2. The method of claim 1,

the resource transmission pattern comprises a muting pattern, and the transmission status comprises a non-muting status.

3. The method of claim 2,

the muting pattern comprises a bitmap of length N, N being an integer greater than or equal to 1;

the muting pattern is used for a periodic uplink positioning reference signal;

the uplink positioning reference signal comprises a sounding reference signal SRS-Pos used for positioning.

4. The method of claim 3, wherein the muting pattern comprises any of the following forms of muting patterns:

5. The method of claim 4, wherein the first bitmap and the second bitmap are used to indicate a muting pattern of uplink positioning reference signal resources or resource sets of the uplink positioning reference signal within one period.

6. The method of claim 4,

for the first bitmap, if a first uplink positioning reference signal resource set instance is muted in the first bitmap, all uplink positioning reference signal resources in the first uplink positioning reference signal resource set instance are muted.

7. The method of claim 4,

the length of the second bitmap is equal to the number of uplink positioning reference signal resources in a single uplink positioning reference signal resource set.

8. The method of claim 4,

for the second bitmap, if a single repetition index of an uplink positioning reference signal resource in an uplink positioning reference signal resource set instance is muted in the second bitmap, uplink positioning reference signal resources corresponding to the single repetition index in all uplink positioning reference signal resource set instances are muted.

9. The method of claim 4, wherein N is configurable, and wherein N is selected from the set M: m ═ 2, 4, 8, 16, 32.

10. The method of claim 4, further comprising:

11. The method according to claim 10, wherein the muting scheme used by the terminal takes any of the following forms:

using only the first muting pattern;

using only the second muting pattern;

simultaneously using the first muting pattern and the second muting pattern.

12. The method according to claim 11, wherein in case that the muting scheme used by the terminal is to simultaneously use the first muting pattern and the second muting pattern, the method further comprises:

13. An information processing method is applied to a first network side device, and is characterized by comprising the following steps:

14. The method of claim 13, wherein the resource transmission pattern comprises a muting pattern, and wherein the transmission status comprises a non-muting status.

15. The method of claim 13, further comprising:

coordinating the used muting pattern with the second network-side device.

16. The method of claim 15, wherein coordinating the muting pattern with the second network-side device comprises:

and the target terminal belongs to the second network side equipment.

17. The method of claim 16,

the quality of the uplink positioning reference signal comprises a signal to interference plus noise ratio (SINR) or Reference Signal Receiving Quality (RSRQ);

the strength of the uplink positioning reference signal comprises Reference Signal Received Power (RSRP).

18. The method according to claim 15, wherein the coordinating the muting pattern used with the second network-side device comprises at least one of:

sending a silent pattern used by the first network side device to a location management function unit (LMF) so that the LMF sends the silent pattern used by the first network side device to the second network side device and/or receives the silent pattern used by the second network side device sent by the LMF;

19. The method of claim 13, further comprising:

20. An information processing apparatus applied to a terminal, comprising:

21. The apparatus of claim 20, wherein the resource transmission pattern comprises a muting pattern, and wherein the transmission status comprises a non-muting status.

22. An information processing apparatus applied to a first network side device, comprising:

23. The apparatus of claim 22, wherein the resource transmission pattern comprises a muting pattern, and wherein the transmission status comprises a non-muting status.

24. An information processing apparatus applied to a terminal, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,

the processor is used for reading the program in the memory and executing the following processes:

25. The device of claim 24, wherein the resource transmission pattern comprises a muting pattern, and wherein the transmission status comprises a non-muting status.

26. The apparatus of claim 25,

the muting pattern is used for a periodic uplink positioning reference signal;

the uplink positioning reference signal comprises SRS-Pos.

27. The apparatus of claim 26, wherein the muting pattern comprises any of the following forms of muting patterns:

28. The apparatus of claim 27,

the first bitmap and the second bitmap are used to indicate a muting pattern of uplink positioning reference signal resources or resource sets of the uplink positioning reference signal within one period.

29. The apparatus of claim 27, wherein for the first bitmap, if a first uplink positioning reference signal resource set instance is muted in the first bitmap, all uplink positioning reference signal resources in the first uplink positioning reference signal resource set instance are muted.

30. The apparatus of claim 27, wherein a length of the second bitmap is equal to a number of uplink positioning reference signal resources in a single set of uplink positioning reference signal resources.

31. The apparatus of claim 27,

32. The apparatus of claim 27, wherein N is configurable, and wherein N takes on values selected from the set M: m ═ 2, 4, 8, 16, 32.

33. The apparatus of claim 27, wherein the processor is further configured to read a program in the memory and perform the following:

34. The apparatus according to claim 33, wherein the muting scheme used by the terminal takes any of the following forms:

using only the first muting pattern;

using only the second muting pattern;

simultaneously using the first muting pattern and the second muting pattern.

35. The apparatus of claim 34, wherein the processor is further configured to read a program in the memory and perform the following:

36. An information processing device applied to a first network side device comprises: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,

37. The apparatus of claim 36, wherein the resource transmission pattern comprises a muting pattern, and wherein the transmission status comprises a non-muting status.

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

coordinating the used muting pattern with the second network-side device.

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

and the target terminal belongs to the second network side equipment.

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

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

42. A computer-readable storage medium for storing a computer program, wherein the computer program, when executed by a processor, implements the steps in the information processing method according to any one of claims 1 to 12; alternatively, the computer program realizes the steps in the information processing method according to any one of claims 13 to 19 when executed by a processor.