WO2023207895A1 - Signaling interaction method and apparatus, and network device - Google Patents

Abstract

The present disclosure provides a signaling interaction method and apparatus, and a network device, relating to the technical field of communications. The method comprises: receiving a first signaling sent by a second network device, wherein the first signaling comprises a reference signal configuration and/or a transmission resource configuration; and according to the first signaling, determining a transmission resource corresponding to the reference signal configuration.

Description

Signaling interaction method, device and network equipment

Cross-references to related applications

This application claims priority to Chinese Patent Application No. 202210454080.2 filed in China on April 24, 2022, the entire content of which is incorporated herein by reference.

Technical field

The present disclosure relates to the field of wireless technology, and in particular, to a signaling interaction method, device and network equipment.

Background technique

In related technologies, cross-link interference (CLI) includes two types: CLI between base stations (gNB-to-gNB CLI) and CLI between terminals (UE-to-UE CLI). UE is the abbreviation of User Equipment. It is user equipment, also called terminal. Among them, UE-to-UE CLI refers to the UL signal sent by one UE, which interferes with the DL reception of another UE. For example, on one of the time-frequency resources, a certain UE (such as UE1) performs uplink transmission, while another UE (such as UE2) performs downlink (DL) transmission, and the uplink (Uplink, UL) signal sent by UE1, Interfering with UE2's DL reception. Currently, it is difficult to coordinate scheduling between base stations, making it impossible to avoid cross-link interference between terminals.

Contents of the invention

The purpose of this disclosure is to provide a signaling interaction method, device and network equipment to solve the problem of difficulty in scheduling coordination between base stations in related technologies to avoid cross-link interference between terminals.

In one embodiment, the present disclosure provides a signaling interaction method, which is applied to a first network device, and the method includes:

Receive the first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration;

According to the first signaling, transmission resources corresponding to the reference signal configuration are determined.

In one embodiment, the present disclosure provides a signaling interaction method, which is applied to the second network Equipment, the method includes:

Send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration.

In one embodiment, the present disclosure provides a network device, wherein the network device is a first network device, including a transceiver and a processor, wherein:

The transceiver is configured to receive first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration;

The processor is configured to determine transmission resources corresponding to the reference signal configuration according to the first signaling.

Optionally, in the network device, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, in the network device, the transmission resources include a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the network device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, in the network device, the transceiver is further configured to:

Send first instruction information to the terminal, used to instruct the terminal to perform reference signal measurement according to the reference signal configuration.

Optionally, in the network device, the transceiver is further configured to:

Receive reference signal measurement information reported by the terminal;

If the reference signal measurement information satisfies the preset condition, the terminal is not scheduled to perform downlink reception on the transmission resource corresponding to the reference signal configuration.

Optionally, in the network device, the processor is further configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes the first uplink transmission opportunity index of.

Optionally, in the network device, the processor determines transmission resources corresponding to the reference signal configuration according to the first signaling, including:

According to the index of the first uplink transmission opportunity and the first set, an uplink transmission opportunity corresponding to the reference signal configuration is determined.

In one embodiment, the present disclosure provides a network device, wherein the network device is a second network device, including a transceiver, wherein:

The transceiver is configured to send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration.

Optionally, in the network device, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, in the network device, the transmission resource configuration includes a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the network device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, in the network device, the transceiver is further configured to:

Send second instruction information to the terminal, used to instruct the terminal to send reference signals according to the reference signal configuration.

Optionally, the network device further includes:

A processor configured to schedule the terminal for uplink transmission only on the transmission resources corresponding to the transmission resource configuration;

Alternatively, the terminal is not scheduled to perform uplink transmission on transmission resources other than transmission resources corresponding to the transmission resource configuration.

Optionally, in the network device, the transceiver is further configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of a first uplink transmission opportunity.

In one embodiment, the present disclosure provides a signaling interaction device, which is applied to a first network device, and the device includes:

A signaling receiving unit configured to receive the first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration;

A processing unit configured to determine transmission resources corresponding to the reference signal configuration according to the first signaling.

Optionally, in the signaling interaction device, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, in the signaling interaction device, the transmission resources include a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the signaling interaction device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, the signaling interaction device further includes:

The instruction sending unit is configured to send first instruction information to the terminal, used to instruct the terminal to perform reference signal measurement according to the reference signal configuration.

Optionally, in the signaling interaction device, the processing unit is further configured to:

Receive reference signal measurement information reported by the terminal;

If the reference signal measurement information satisfies the preset condition, the terminal is not scheduled to perform downlink reception on the transmission resource corresponding to the reference signal configuration.

Optionally, in the signaling interaction device, the signaling receiving unit is further configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of the first uplink transmission opportunity.

Optionally, in the signaling interaction device, the processing unit determines the transmission resources corresponding to the reference signal configuration according to the first signaling, including:

According to the index of the first uplink transmission opportunity and the first set, an uplink transmission opportunity corresponding to the reference signal configuration is determined.

In one embodiment, the present disclosure provides a signaling interaction device, which is applied to a second network device, and the device includes:

A signaling sending unit configured to send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration.

Optionally, a signaling interaction device, wherein the first signaling is Xn interface signaling or NG interface signaling.

Optionally, the signaling interaction device, wherein the transmission resource configuration includes a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the signaling interaction device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates the time domain transmission resource set of the uplink transmission opportunity in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, in the signaling interaction device, the signaling sending unit is further configured to:

Send second instruction information to the terminal, used to instruct the terminal to send reference signals according to the reference signal configuration.

Optionally, the signaling interaction device further includes:

A scheduling unit configured to schedule the terminal for uplink transmission only on the transmission resources corresponding to the transmission resource configuration;

Alternatively, the terminal is not scheduled to perform uplink transmission on transmission resources other than transmission resources corresponding to the transmission resource configuration.

Optionally, in the signaling interaction device, the signaling sending unit is further configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of the first uplink transmission opportunity. lead.

In one embodiment, the present disclosure provides a network device, including: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; wherein the processor executes The program or instruction implements the signaling interaction method described in any of the above items.

In one embodiment, the present disclosure provides a readable storage medium on which a program or instructions are stored, wherein when the program or instructions are executed by a processor, the steps in the signaling interaction method as described in any one of the above are implemented. .

At least one of the above technical solutions of the embodiments of the present disclosure has the following beneficial effects:

Using the signaling interaction method described in the embodiments of the present disclosure, the second network device sends the first signaling including the reference signal configuration and/or the transmission resource configuration to the first network device, so that the first signaling can be used to obtain the first signaling. The reference signal configuration and corresponding transmission resources of the two network devices can avoid multiple signaling interactions between network devices (or base stations), thereby ensuring that the signaling interaction method described in the embodiments of the present disclosure can be applied to non-ideal backhaul restrictions. Base station interaction under certain conditions to effectively avoid and suppress potential inter-terminal cross-link interference problems by utilizing interaction and real-time coordination between base stations.

Description of the drawings

Figure 1 is a schematic flow chart of the signaling interaction method according to Embodiment 1 of the present disclosure;

Figure 2 is a schematic diagram illustrating the implementation of resource distribution indication for uplink transmission opportunity sets in an embodiment of the present disclosure;

Figure 3 is a schematic diagram of the principle of resource scheduling and coordination of network equipment;

Figure 4 is a schematic flowchart of the signaling interaction method according to Embodiment 2 of the present disclosure;

Figure 5 is a schematic structural diagram of a network device according to Embodiment 1 of the present disclosure;

Figure 6 is a schematic structural diagram of a network device according to Embodiment 2 of the present disclosure;

Figure 7 is a schematic structural diagram of the signaling interaction device according to Embodiment 1 of the present disclosure;

Figure 8 is a schematic structural diagram of a signaling interaction device according to Embodiment 2 of the present disclosure.

Detailed ways

In order to make the technical problems, technical solutions and advantages to be solved by the present disclosure clearer, a detailed description will be given below with reference to the accompanying drawings and specific embodiments.

It will be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic associated with the embodiment is included in at least one embodiment of the present disclosure. Thus, the appearances of "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present disclosure, it should be understood that the size of the sequence numbers of the following processes does not mean the order of execution. The execution order of each process should be determined by its functions and internal logic, and should not be implemented in the present disclosure. The implementation of the examples does not constitute any limitations.

Additionally, the terms "system" and "network" are often used interchangeably in this article.

In the embodiments provided by the present disclosure, it should be understood that "B corresponding to A" means that B is associated with A, and B can be determined based on A. However, it should also be understood that determining B based on A does not mean determining B only based on A. B can also be determined based on A and/or other information.

In full-duplex and flexible Time Division Duplexing (TDD) systems, there will be serious cross-link interference CLI problems between terminals. For example, UE2 is receiving the DL signal sent by its serving cell (including physical downlink control channel (Physical Downlink Control Channel, PDCCH), physical downlink shared channel (Physical Downlink Shared CHannel, PDSCH), synchronization signal block (Synchronization signal) Block, SSB), demodulation reference signal (DeModulation Reference Signal, DMRS), channel state indication reference signal (Channel State Indication-Reference Signal, CSI-RS), phase tracking reference signal (Phase Tracking Reference Signal, PTRS) and various When the DL reference signal RS is equal to the UL signal sent by other UEs (such as UE1), it also receives UL signals (such as physical uplink control channel (Physical Uplink Control Channel, PUCCH), physical uplink shared channel (Physical Uplink Share Channel, etc.) PUSCH), Physical Random Access Channel (Physical Random Access Channel, PRACH) and various UL reference signals RS, etc.). For UE2, the DL signal sent by its serving cell is a useful signal, while the UL signal sent by UE1 is an interference signal. When UE1 and UE2 are close to each other, the UE-to-UE CLI interference signal sent by UE1 received by UE2 may be close to the received power of the useful signal, or may even be stronger than the received power of the useful signal, resulting in The DL reception performance of UE2 is seriously deteriorated.

In order to effectively suppress UE-to-UE CLI, the terminal UE1 is configured by the base station gNB1 to send the reference signal No., gNB2 configures UE2 to listen to the reference signal sent by UE1, and uses UE2 to report the signal strength of the reference signal it hears to determine whether UE1 is a strong interference source for UE2, and can avoid UE-to- UE CLI.

Currently, when different base stations belong to different vendors or do not have an ideal Backhaul, scheduling coordination cannot be achieved with each other. Therefore, inter-base station interaction or real-time coordination cannot be used to effectively suppress the problem of UE-to-UE CLI interference.

In order to solve the above CLI problem, one solution (comparison solution) includes:

Step 1: The second network device sends the reference signal configuration to the first network device through backhaul signaling, and instructs the second terminal to send the reference signal according to the reference signal configuration;

Step 2: After receiving the above-mentioned reference signal configuration signaling, the first network device instructs the first terminal to measure and report the reference signal quality according to the reference signal configuration;

Step 3: When the first network device recognizes that the first terminal is subject to strong interference, the first network device coordinates scheduling information with the second network device through backhaul signaling to avoid interference. Possible methods include:

Opt 1: The first network device requests the second network device to inform the second network device to schedule the UL scheduling information of the second terminal associated with the reference signal configuration. After obtaining the UL scheduling information, the first network device actively avoids the time-frequency resources corresponding to the UL scheduling information of the second terminal when scheduling the DL transmission of the first terminal;

Opt 2: The first network device actively informs the first terminal of the DL scheduling information, and requests the second network device to try to avoid the first terminal when scheduling the UL transmission of the second terminal associated with the reference signal configuration. Time-frequency resources corresponding to DL scheduling information.

The disadvantages of the above solutions are:

1) The requirements for backhaul delay are relatively high, and backhaul needs to have extremely low delay;

2) Multiple signaling interactions are required between network devices, which is not concise enough and causes a certain amount of backhaul signaling overhead.

In view of the shortcomings of the above solutions, embodiments of the present disclosure provide a signaling interaction method, through signaling interaction between network devices (such as base stations) for reference signal configuration and/or transmission resource configuration, so that the network devices can communicate through the interacted This signaling instructs the terminal to perform reference signal measurement and determine the cross-link interference between terminals, thereby avoiding scheduling the terminal for downlink reception on the transmission resources corresponding to the reference signal configuration, so as to effectively avoid and suppress potential terminal cross-link interference problem.

Optionally, the transmission resource configuration may include uplink transmission opportunity configuration.

One embodiment of the present disclosure provides a signaling interaction method, which is applied to a first network device. As shown in Figure 1, the method includes:

S110. Receive the first signaling sent by the second network device; the first signaling includes reference signal configuration and/or uplink transmission resource configuration;

S120: Determine transmission resources corresponding to the reference signal configuration according to the first signaling.

In this embodiment of the present disclosure, optionally, the first network device may be any base station among multiple base stations, capable of receiving signaling transmitted by another base station (eg, a second network device). In addition, the first network device may also be defined as any signaling receiving base station among the plurality of base stations, and the second network device may be defined as any signaling sending base station among the plurality of base stations.

Optionally, the second network device may set reference signal configurations and uplink transmission opportunity configurations for multiple served terminals respectively. In one embodiment, a specific reference signal configuration is associated with an uplink transmission opportunity of a specific terminal, that is, different reference signal configurations may correspond to uplink transmission opportunities of different terminals. In another embodiment, a specific reference signal configuration is associated with a specific uplink transmission opportunity of a specific terminal, that is, different reference signal configurations may correspond to uplink transmission opportunities of different terminals, or different reference signal configurations may also correspond to Different uplink transmission opportunities for the same terminal.

Due to the non-ideal backhaul constraints of related technologies, real-time scheduling coordination between base stations cannot be achieved to effectively solve the problem of cross-link interference between terminals through signaling interaction and coordination between base stations. Using the signaling interaction method described in the embodiments of the present disclosure, the second network device sends the first signaling to the first network device. According to the first signaling, the first network device can obtain the reference signal sent by the second network device. and the transmission resource corresponding to the reference signal, so as to instruct the terminal to perform reference signal measurement and determine the cross-link interference between terminals, thereby avoiding scheduling the terminal to perform downlink reception on the transmission resource corresponding to the transmission resource configuration, so as to effectively Avoid and suppress potential inter-terminal cross-link interference problems.

In addition, using the signaling interaction method described in the embodiments of the present disclosure, the second network device sends the first signaling including the reference signal configuration and/or the transmission resource configuration to the first network device, so that the first signaling can be obtained using one signaling. The reference signals and corresponding transmission resources (such as uplink transmission opportunities) sent by the two network devices can avoid multiple signaling interactions between network devices (or base stations), thereby ensuring the signaling interaction method described in the embodiments of the present disclosure. , can be applied under non-ideal backhaul constraints Base station interaction to effectively avoid and suppress potential inter-terminal cross-link interference problems by utilizing interaction and real-time coordination between base stations.

Compared with the aforementioned comparison scheme, adopting the signaling interaction method described in this disclosure has the following advantages:

1) Simplify the signaling process. In the comparison scheme, two asynchronous signaling interactions are required between base stations; in the scheme described in this case, only one unidirectional signaling interaction is required between base stations, which simplifies the signaling interaction process and reduces the signaling overhead;

2) There is no requirement for backhaul delay. In the comparison scheme, because multiple signaling interactions are required between base stations, higher requirements are placed on the backhaul delay. In the scheme described in this case, since only one one-way signaling interaction is involved between base stations, the backhaul delay is required. There are no latency requirements.

Optionally, the first signaling includes reference signal configuration and transmission resource configuration.

In another embodiment, the first signaling may only include reference signal configuration or transmission resource configuration. When only one of the reference signal configuration and transmission resource configuration is included, the other configuration may be obtained through other means, such as other backhaul signaling. (such as Xn interface signaling, or NG interface signaling), or agreed in advance, or stipulated in the agreement, or manages network element configuration, etc.

In the above step S120, when the transmission resources corresponding to the reference signal configuration are determined based on the first signaling, it can also be expressed as determining the uplink transmission opportunity corresponding to the reference signal based on the first signaling. In a typical embodiment, the reference signal is a reference signal sent by the terminal served by the second network device.

In this embodiment of the present disclosure, optionally, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, the reference signal configuration may be, but is not limited to, only a sounding reference signal (Sounding Reference Signal, SRS) configuration. For example, in one embodiment, the reference signal is a sounding reference signal SRS.

In another embodiment, the reference signal is a UL signal.

In the embodiment of the present disclosure, in step S110, the first signaling received by the first network device optionally includes a reference signal configuration; wherein, the terminal (such as the first terminal) served by the second network device configures Reference signal transmission, the reference signal configuration may be a configuration for the first terminal to perform reference signal transmission; the first network device configures reference signal detection for the terminal it serves (for example, the second terminal) Listening resources, the second terminal performs reference signal listening on the listening resources configured by the first network device, and reports the measurement information after the reference signal measurement to the first network device. Based on the measurement information, it can be determined whether the terminals are connected to each other. Potential cross-link interference exists.

In the related art, in the absence of backhaul signaling, it is difficult for the first network device to obtain the reference signal configuration of the second network device.

In step S110, the first signaling received by the first network device optionally includes transmission resource configuration. Optionally, the transmission resource configuration includes a transmission resource set of potential uplink transmission opportunities, and the transmission resource set is used to indicate a resource set of potential uplink transmission for the terminal served by the second network device. Optionally, the first signaling may indicate the uplink transmission opportunity set by indicating the location of the potential transmission resource set of the uplink transmission opportunity.

In another embodiment, optionally, the transmission resource configuration includes a resource distribution indication of a potential transmission resource set, wherein the resource distribution indication indicates an uplink transmission opportunity by indicating the data transmission status of a plurality of potential transmission resources.

For example, the resource distribution indication of transmission resources is shown in Figure 2. On multiple transmission resources, resources that may be used for uplink transmission are identified as indicator symbol 1, and resources that will not be used for uplink transmission are identified as indicator symbol 0. In this way, through The data transmission status includes multiple transmission resources, indicating a set of resources for potential uplink transmission by the terminal served by the second network device.

In the embodiment of the present disclosure, in step S120, in the step of determining transmission resources corresponding to the reference signal configuration according to the first signaling, the determined transmission resources include a time domain transmission resource set of uplink transmission opportunities and/or an uplink A collection of frequency domain transmission resources for transmission opportunities.

In addition, optionally, the transmission resource configuration includes a first parameter, which indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

In one embodiment, optionally, the transmission resource configuration includes a second parameter. When the second parameter indicates the frequency domain transmission resource set of the uplink transmission opportunity in the form of a bitmap, the indication unit of the frequency domain transmission resource set is a resource block (Resource Block, RB). For example, the frequency domain transmission resource set indicated by the second parameter in the form of a bitmap can be expressed as "resourceBlocks BIT STRING (SIZE (275))".

In another embodiment, optionally, the transmission resource configuration includes a first parameter. The first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner, which can be expressed as follows:

periodicityAndPattern CHOICE{//

n2 BIT STRING(SIZE(2)),

n4 BIT STRING(SIZE(4)),

n5 BIT STRING(SIZE(5)),

n8 BIT STRING(SIZE(8)),

n10 BIT STRING(SIZE(10)),

n20 BIT STRING(SIZE(20)),

n40 BIT STRING(SIZE(40))

};

Among them, n2, n4,..., n40 indicate the transmission cycle of the time domain transmission resource of the uplink transmission opportunity, and the unit is a slot; the time slot used for the time domain transmission resource in each cycle is passed through BIT STRING (SIZE (n)) instructions.

Optionally, the first parameter also indicates the symbol used for the uplink transmission opportunity in the time slot, so as to be able to indicate the symbol used for the uplink transmission opportunity within one time slot or two time slots. For example, a symbol indicating an opportunity for uplink transmission within a time slot can be expressed as follows:

symbolsInResourceBlock CHOICE{

oneSlot BIT STRING(SIZE(14)),

twoSlots BIT STRING(SIZE(28))

}.

It should be noted that the specific implementation manner in which the first signaling sends the uplink transmission opportunity configuration in the above manner is only for illustration and is not limited to this.

In one implementation of the signaling interaction method according to the embodiment of the present disclosure, optionally, the method further includes:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, in the received first signaling, the transmission resource configuration in the first signaling includes an index of the first uplink transmission opportunity.

Adopting this implementation mode, through management network element configuration or protocol agreement, the first network device obtains the first set in advance, including at least one first uplink transmission opportunity, and the at least one first uplink transmission opportunity is scheduled for the second network device by the terminal. Potential uplink transmission opportunities for uplink transmission; based on the at least one first uplink transmission opportunity obtained in advance, when sending the first signaling to the first network device, the second network device only needs to indicate at least one of the first set An index of the first uplink transmission opportunity is sufficient, so that the first network device determines the corresponding uplink transmission opportunity according to the index of the first uplink transmission opportunity indicated in the first signaling, thereby achieving the purpose of reducing signaling overhead between network devices.

Note that each transmission opportunity specified by the management network element configuration or protocol includes a time domain transmission resource set and/or a frequency domain transmission resource set. The management network element will configure the time domain transmission resource set and/or frequency domain transmission resource set of each transmission opportunity in the uplink transmission opportunity set; or the protocol will agree on the time domain of each transmission opportunity in the uplink transmission opportunity set. Transmission resource set and/or frequency domain transmission resource set.

Optionally, in this embodiment of the present disclosure, in step S120, determining transmission resources corresponding to the reference signal configuration according to the first signaling includes:

According to the index of the first uplink transmission opportunity and the first set, an uplink transmission opportunity corresponding to the reference signal configuration is determined.

In one implementation of the signaling interaction method according to the embodiment of the present disclosure, optionally, the method further includes:

Send first instruction information to the terminal, used to instruct the terminal to perform reference signal measurement according to the reference signal configuration.

In this embodiment, by sending the first instruction information to the terminal, the terminal served by the first network device performs reference signal measurement according to the reference signal configuration and obtains measurement information.

Optionally, the measurement information includes, but is not limited to, only SRS-RSRP.

In one embodiment, the method further includes:

Receive reference signal measurement information reported by the terminal after performing reference signal measurement;

If the reference signal measurement information satisfies the preset condition, the terminal is not scheduled to perform downlink reception on the uplink transmission opportunity corresponding to the reference signal configuration.

Specifically, the first network device receives the SRS-Reference Signal Received Power (RSRP) reported by the terminal after performing SRS measurement, and compares the SRS-RSRP with the predetermined Set a threshold for comparison to determine whether there is potential cross-link interference between terminals.

Optionally, when the reference signal measurement information meets the preset conditions, and if the SRS-RSRP reported by the terminal is greater than the preset threshold, it is determined that there will be potential cross-link interference between terminals, then the first network The device will not schedule the terminal to perform downlink reception on the transmission resources corresponding to the reference signal configuration, so as to perform terminal resource scheduling through the obtained first signaling to avoid the time and frequency of downlink reception by the terminal served by the first network device. In terms of resources, there is a problem of interference from the uplink transmission of the terminal served by the second network device.

For example, as shown in Figure 3, taking the first network device as base station A and the second network device as base station B, base station A receives the first signaling sent by base station B, and the uplink transmission opportunity configuration indicates the potential of UE2. The uplink transmission resources include time slot E and time slot F; then base station A receives the first signaling sent by base station B, instructs UE1 served by base station A to perform SRS measurement, and receives the SRS-RSRP reported by UE1. In SRS-RSRP If it is greater than the preset threshold, base station A implements scheduling to avoid scheduling UE1 to perform downlink reception on the time slot E and time slot F corresponding to the potential UL transmission opportunity resource corresponding to the SRS, thereby avoiding potential UE- to-UE CLI interference.

Using the signaling interaction method described in the embodiments of the present disclosure, through signaling interaction between network devices for reference signal configuration and uplink transmission opportunity configuration, the network device can instruct the terminal to perform reference signal measurement through the exchanged signaling. And determine the cross-link interference situation between terminals, and avoid downlink reception in the transmission resources (set of uplink transmission opportunities) corresponding to the reference signal configuration, so as to effectively avoid and suppress potential cross-link interference problems between terminals.

On the other hand, the embodiment of the present disclosure also provides a signaling interaction method, which is applied to the second network device. As shown in Figure 4, the method includes:

S410. Send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration.

Using the signaling interaction method described in the embodiments of the present disclosure, the second network device sends the first signaling to the first network device. According to the first signaling, the first network device can obtain the reference signal configuration and configuration of the second network device. / Or configure transmission resources so that the first network device can instruct the terminal to perform reference signal measurement and determine the cross-link interference between terminals to avoid downlink reception on the transmission resources corresponding to the reference signal configuration, effectively avoiding and suppressing Potential inter-terminal cross-link interference issues.

Optionally, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, in the signaling interaction method, the transmission resource configuration includes a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the signaling interaction method, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

In this embodiment of the present disclosure, the first signaling includes the indication method in the above information. Please refer to the detailed description of the specific implementation of the method applied to the first network device, which will not be described here.

Optionally, the signaling interaction method further includes:

Send second instruction information to the terminal, used to instruct the terminal to send reference signals according to the reference signal configuration.

In one embodiment, optionally, the method further includes:

Schedule the terminal to perform uplink transmission only on the transmission resources corresponding to the transmission resource configuration;

Alternatively, the terminal is not scheduled to perform uplink transmission on transmission resources other than transmission resources corresponding to the transmission resource configuration.

Using this implementation, the second network device only schedules the terminal for uplink transmission on transmission resources corresponding to the uplink transmission opportunity configuration, and does not schedule the terminal for uplink transmission on transmission resources other than the transmission resources corresponding to the uplink transmission opportunity configuration. Specifically, on the transmission resource corresponding to the uplink transmission opportunity configuration indicated by the first signaling, the terminal can be scheduled to perform uplink transmission, the terminal can also be scheduled to perform downlink transmission, or no data is transmitted, but when the first signaling does not indicate The terminal is not scheduled to perform uplink transmission on the transmission resources corresponding to the uplink transmission opportunity configuration, so as to ensure that the terminal served by the first network device is scheduled to be able to use transmission resources other than the transmission resources corresponding to the uplink transmission opportunity configuration indicated by the first signaling. Perform downlink transmission to effectively avoid and suppress potential cross-link interference problems between terminals.

In the embodiment of the present disclosure, optionally, the second network device sends second instruction information to the terminal to instruct the terminal to send reference signals according to the reference signal configuration. For the terminal, only when the uplink transmission opportunity configuration corresponds to On the transmission resources, schedule the terminal for uplink transmission; or, On transmission resources other than the transmission resources corresponding to the uplink transmission opportunity configuration, the terminal is not scheduled to perform uplink transmission to ensure that the first network device can schedule the served terminal to perform reference signal measurement according to the reference signal configuration and avoid uplink transmission. Opportunity to configure corresponding transmission resources for downlink reception, effectively avoiding and suppressing potential cross-link interference problems between terminals.

In one embodiment, optionally, the signaling interaction method, wherein the method further includes:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of a first uplink transmission opportunity.

Using this implementation, through the pre-obtained first set, the second network device only needs to indicate the index of at least one first uplink transmission opportunity in the first set when sending the first signaling to the first network device. , so that the first network device determines the corresponding uplink transmission opportunity according to the index of the first uplink transmission opportunity indicated in the first signaling, so as to achieve the purpose of reducing signaling overhead between network devices.

An embodiment of the present disclosure also provides a network device, wherein the network device is a first network device. As shown in Figure 5, the first network device 500 includes a transceiver 510 and a processor 520, wherein:

The transceiver 510 is configured to receive the first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration;

The processor 520 is configured to determine transmission resources corresponding to the reference signal configuration according to the first signaling.

Optionally, in the network device, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, in the network device, the transmission resources include a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the network device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, the network device, wherein the transceiver 510 is further configured to:

Send first instruction information to the terminal, used to instruct the terminal to perform reference signal measurement according to the reference signal configuration.

Optionally, the network device, wherein the transceiver 510 is further configured to:

Receive reference signal measurement information reported by the terminal;

If the reference signal measurement information satisfies the preset condition, the terminal is not scheduled to perform downlink reception on the transmission resource corresponding to the reference signal configuration.

Optionally, in the network device, the processor 520 is further configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of the first uplink transmission opportunity.

Optionally, in the network device, the processor 520 determines the transmission resources corresponding to the reference signal configuration according to the first signaling, including:

According to the index of the first uplink transmission opportunity and the first set, an uplink transmission opportunity corresponding to the reference signal configuration is determined.

An embodiment of the present disclosure also provides a network device, wherein the network device is a second network device. As shown in Figure 6, the second network device 600 includes a transceiver 610, wherein:

The transceiver 610 is configured to send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration.

Optionally, in the network device, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, in the network device, the transmission resource configuration includes a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the network device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, the network device, wherein the transceiver 610 is further configured to:

Send second instruction information to the terminal, used to instruct the terminal to send reference signals according to the reference signal configuration.

Optionally, the network device further includes:

The processor 620 is configured to schedule the terminal for uplink transmission only on the transmission resources corresponding to the transmission resource configuration;

Alternatively, the terminal is not scheduled to perform uplink transmission on transmission resources other than transmission resources corresponding to the transmission resource configuration.

Optionally, in the network device, the transceiver 610 is also configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of a first uplink transmission opportunity.

An embodiment of the present disclosure also provides a signaling interaction device, which is applied to the first network device. As shown in Figure 7, the device includes:

The signaling receiving unit 710 is configured to receive the first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration;

The processing unit 720 is configured to determine transmission resources corresponding to the reference signal configuration according to the first signaling.

Optionally, in the signaling interaction device, the first signaling is Xn interface signaling or NG interface signaling.

Optionally, in the signaling interaction device, the transmission resources include a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the signaling interaction device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, the signaling interaction device further includes:

The instruction sending unit 730 is configured to send first instruction information to the terminal, used to instruct the terminal to perform reference signal measurement according to the reference signal configuration.

Optionally, in the signaling interaction device, the processing unit 720 is further configured to:

Receive reference signal measurement information reported by the terminal;

If the reference signal measurement information satisfies the preset condition, the terminal is not scheduled to perform downlink reception on the transmission resource corresponding to the reference signal configuration.

Optionally, in the signaling interaction device, the signaling receiving unit 710 is further configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of the first uplink transmission opportunity.

Optionally, in the signaling interaction device, the processing unit 720 determines the transmission resources corresponding to the reference signal configuration according to the first signaling, including:

According to the index of the first uplink transmission opportunity and the first set, an uplink transmission opportunity corresponding to the reference signal configuration is determined.

An embodiment of the present disclosure also provides a signaling interaction device, which is applied to the second network device. As shown in Figure 8, the device includes:

The signaling sending unit 810 is configured to send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration.

Optionally, a signaling interaction device, wherein the first signaling is Xn interface signaling or NG interface signaling.

Optionally, the signaling interaction device, wherein the transmission resource configuration includes a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities.

Optionally, the signaling interaction device, wherein the transmission resource configuration includes a first parameter, the first parameter indicates the time domain transmission resource set of the uplink transmission opportunity in a periodic and bitmap manner; and/or,

The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner.

Optionally, in the signaling interaction device, the signaling sending unit 810 is further configured to:

Send second instruction information to the terminal, used to instruct the terminal to send reference signals according to the reference signal configuration.

Optionally, the signaling interaction device further includes:

The scheduling unit 820 is configured to schedule the terminal for uplink transmission only on the transmission resources corresponding to the transmission resource configuration;

Alternatively, the terminal is not scheduled to perform uplink transmission on transmission resources other than transmission resources corresponding to the transmission resource configuration.

Optionally, in the signaling interaction device, the signaling sending unit 810 is further configured to:

According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity;

Wherein, the transmission resource configuration in the first signaling includes an index of a first uplink transmission opportunity.

An embodiment of the present disclosure also provides a network device, including: a transceiver, a processor, a memory, and a program or instruction stored on the memory and executable on the processor; wherein the processor executes the The program or instruction implements the signaling interaction method as described in any of the above items.

In this embodiment of the present disclosure, the network device may be the above-mentioned first network device or the second network device, wherein when the processor on the first network device or the second network device executes the program or instructions, the above-mentioned For specific implementation methods in the signaling interaction method, please refer to the detailed description above and will not be described again here.

A readable storage medium according to an embodiment of the present disclosure has a program or instructions stored thereon. When the program or instructions are executed by a processor, the steps in the signaling interaction method as described above are implemented and the same technical effect can be achieved. , to avoid repetition, will not be repeated here.

Wherein, the processor is the processor in the network device described in the above embodiment. The readable storage media includes computer-readable storage media, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical disks, etc.

It should be further noted that the terminals described in this specification include but are not limited to smartphones, tablet computers, etc., and many of the functional components described are called modules to emphasize more specifically. The independence of its implementation.

In embodiments of the present disclosure, modules may be implemented in software so as to be executed by various types of processors. For example, an identified module of executable code may include one or more physical or logical blocks of computer instructions, which may be structured, for example, as an object, procedure, or function. Nonetheless, the executable code of an identified module need not be physically located together, but may include different instructions stored on different bits that, when logically combined, constitute the module and implement the provisions of the module Purpose.

In fact, an executable code module can be a single instruction or many instructions, and can even be distributed over multiple different code segments, distributed among different programs, and distributed across multiple memory devices. Likewise, operational data may be identified within modules and may be implemented in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations (including on different storage devices), and may exist, at least in part, solely as electronic signals on a system or network.

When the module can be implemented using software, taking into account the level of relevant hardware technology, those skilled in the art can build corresponding hardware circuits to implement the corresponding functions without considering the cost. The hardware circuits include conventional very large scale integration (VLSI) circuits or gate arrays and related semiconductors such as logic chips, transistors, or other discrete components. Modules can also be implemented using programmable hardware devices, such as field programmable gate arrays, programmable array logic, programmable logic devices, etc.

The above exemplary embodiments are described with reference to the accompanying drawings. Many different forms and embodiments are possible without departing from the spirit and teachings of the disclosure. Therefore, the disclosure should not be construed as the exemplary embodiments set forth herein. limits. Rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will convey the scope of the disclosure to those skilled in the art. In the drawings, component sizes and relative sizes may be exaggerated for clarity. The terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will be further understood that the terms "comprising" and/or "including" when used in this specification indicate the presence of stated features, integers, steps, operations, components and/or components, but do not exclude the presence of one or more other Characteristics, integers, steps, operations, components, components and/or or the existence or increase of its race. Unless otherwise indicated, when stated, a range of values includes the upper and lower limits of the range and any subranges therebetween.

The above are the preferred embodiments of the present disclosure. It should be noted that for those of ordinary skill in the art, several improvements and modifications can be made without departing from the principles described in the present disclosure. These improvements and modifications can also be made. should be regarded as the scope of protection of this disclosure.

Claims (21)

A signaling interaction method, applied to a first network device, the method includes: Receive the first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration; According to the first signaling, transmission resources corresponding to the reference signal configuration are determined. The signaling interaction method according to claim 1, wherein the first signaling is Xn interface signaling or NG interface signaling. The signaling interaction method according to claim 1, wherein the transmission resources include a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities. The signaling interaction method according to claim 1, wherein, The transmission resource configuration includes a first parameter that indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or, The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner. The signaling interaction method according to claim 1, further comprising: Send first instruction information to the terminal, used to instruct the terminal to perform reference signal measurement according to the reference signal configuration. The signaling interaction method according to claim 5, further comprising: Receive reference signal measurement information reported by the terminal; If the reference signal measurement information satisfies the preset condition, the terminal is not scheduled to perform downlink reception on the transmission resource corresponding to the reference signal configuration. The signaling interaction method according to claim 1, further comprising: According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity; Wherein, the transmission resource configuration in the first signaling includes an index of the first uplink transmission opportunity. The signaling interaction method according to claim 7, wherein determining transmission resources corresponding to the reference signal configuration according to the first signaling includes: According to the index of the first uplink transmission opportunity and the first set, an uplink transmission opportunity corresponding to the reference signal configuration is determined. A signaling interaction method, applied to a second network device, the method includes: Send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration. The signaling interaction method according to claim 9, wherein the first signaling is Xn interface signaling or NG interface signaling. The signaling interaction method according to claim 9, wherein the transmission resource configuration includes a time domain transmission resource set of uplink transmission opportunities and/or a frequency domain transmission resource set of uplink transmission opportunities. The signaling interaction method according to claim 9, wherein the transmission resource configuration includes a first parameter, the first parameter indicates a time domain transmission resource set of uplink transmission opportunities in a periodic and bitmap manner; and/or, The transmission resource configuration includes a second parameter, and the second parameter indicates a frequency domain transmission resource set of uplink transmission opportunities in a bitmap manner. The signaling interaction method according to claim 9, further comprising: Send second instruction information to the terminal, used to instruct the terminal to send reference signals according to the reference signal configuration. The signaling interaction method according to claim 9, further comprising: Schedule the terminal to perform uplink transmission only on the transmission resources corresponding to the transmission resource configuration; Alternatively, the terminal is not scheduled to perform uplink transmission on transmission resources other than transmission resources corresponding to the transmission resource configuration. The signaling interaction method according to claim 9, further comprising: According to the management network element configuration or protocol agreement, obtain in advance a first set including at least one first uplink transmission opportunity; Wherein, the transmission resource configuration in the first signaling includes an index of a first uplink transmission opportunity. A network device, wherein the network device is a first network device, including a transceiver and a processor, wherein: The transceiver is configured to receive first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration; The processor is configured to determine transmission resources corresponding to the reference signal configuration according to the first signaling. A network device, wherein the network device is a second network device, including a transceiver, wherein: The transceiver is configured to send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration. A signaling interaction device, applied to a first network device, the device includes: A signaling receiving unit configured to receive the first signaling sent by the second network device; wherein the first signaling includes reference signal configuration and/or transmission resource configuration; A processing unit configured to determine transmission resources corresponding to the reference signal configuration according to the first signaling. A signaling interaction device, applied to a second network device, the device includes: A signaling sending unit configured to send first signaling; wherein the first signaling includes reference signal configuration and/or transmission resource configuration. A network device, including: a transceiver, a processor, a memory, and a program or instruction stored on the memory and executable on the processor; when the processor executes the program or instruction, the claims are implemented The signaling interaction method described in any one of claims 1-8, or the signaling interaction method described in any one of claims 9-15. A readable storage medium on which a program or instructions are stored. When the program or instructions are executed by a processor, the steps in the signaling interaction method according to any one of claims 1 to 8 are implemented, or the steps in the signaling interaction method as claimed in claim 1 are implemented. The steps in the signaling interaction method described in any one of claims 9-15.