CN113891370A

CN113891370A - Time slot interference processing method, device, medium and electronic equipment

Info

Publication number: CN113891370A
Application number: CN202111314362.4A
Authority: CN
Inventors: 田宁; 曹飞; 刘子豪; 吴亚晖; 杜晖
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-01-04
Anticipated expiration: 2041-11-08
Also published as: CN113891370B

Abstract

The embodiment of the disclosure provides a time slot interference processing method, a time slot interference processing device, a time slot interference processing medium and electronic equipment, and relates to the technical field of communication. The method comprises the following steps: dividing the coverage sectors of the public network base station and the private network base station into a private network sector, an isolation sector and a public network sector based on the coverage areas of the public network base station and the private network base station; adjusting the sending time of a synchronous signal block SSB of a downlink time slot of a public network base station corresponding to an isolation sector and a downlink scheduling strategy; and evaluating the indexes of the private network sector and the public network sector, and adjusting the isolation sector based on the evaluation result. According to the technical scheme of the embodiment of the disclosure, the functions of different sectors can be realized by configuring various sectors in a differentiated manner, the service perception of public network users and private network users is improved, and the cross time slot interference of a public network base station and a private network base station is reduced.

Description

Time slot interference processing method, device, medium and electronic equipment

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a time slot interference processing method, a time slot interference processing apparatus, a computer readable medium, and an electronic device.

Background

With the large-scale development of relevant government and enterprise applications after 5G (5th Generation mobile networks) is in commercial use, in order to meet business requirements of government and enterprise users, an end-to-end 5G customized private network (private network for short) is usually required to be established in a specific factory area or scientific research building designated by the government and enterprise users, so that end-to-end time delay and rate guarantee is provided for the business of the government and enterprise users.

Compared with public users, the 5G private network users generally need larger uplink bandwidth and lower time delay, and the public network users have higher requirements on downlink bandwidth than uplink bandwidth, so that the requirements and configuration of the wireless network of the public network users are greatly different from those of the private network. With the advance of 5G network construction, the private network base station and the public network base station inevitably overlap in coverage area, as shown in fig. 1. Because the base stations have difference in uplink and downlink time slot ratio, the private network base station and the public network base station inevitably generate interference, and therefore, the uplink and downlink rates and time delays of the public network users and the private network users in the overlapping area are greatly influenced.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Disclosure of Invention

An object of the embodiments of the present disclosure is to provide a time slot interference processing method, a time slot interference processing apparatus, a computer readable medium, and an electronic device, so as to avoid a problem of time slot cross interference caused by inconsistent time slot ratios of a public network and a private network at least to a certain extent.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows, or in part will be obvious from the description, or may be learned by practice of the disclosure.

According to a first aspect of the embodiments of the present disclosure, a time slot interference processing method is provided, which is applied to a network device in a same frequency band time division duplex mode, and the method includes: dividing coverage sectors of a public network base station and a private network base station into a private network sector, an isolation sector and a public network sector based on coverage areas of the public network base station and the private network base station; adjusting the sending time of a synchronous signal block SSB of a downlink time slot of a public network base station corresponding to the isolated sector and a downlink scheduling strategy; and evaluating the indexes of the private network sector and the public network sector, and adjusting the isolation sector based on the evaluation result.

According to the first aspect, in some example embodiments, the dividing coverage sectors of the public network base station and the private network base station into a private network sector, an isolated sector, and a public network sector comprises: determining an overlapping coverage area of the public network base station and the private network base station with time slot cross interference; regarding the sector in the overlapped coverage area, if the sector covers a private network service area, taking the sector as a private network sector; if the sector does not cover the private network service area, determining whether the sector is in the coverage range of the private network base station; if the sector is within the coverage range of the private network base station, determining the sector as an isolated sector; otherwise, determining the sector as a public network sector.

According to the first aspect, in some example embodiments, the method further comprises: dividing the public network base station into a strong interference base station and a long-distance base station based on the time advance and the station spacing of the private network base station; all sectors of the strong interference base station are taken as the isolated sectors; and taking the sector of the long-distance base station, which is overlapped with the coverage direction of the private network sector, as the isolated sector.

According to the first aspect, in some example embodiments, the adjusting the SSB transmission timing of the public network base station corresponding to the isolated sector includes: determining a downlink time slot of the time slot cross interference between the public network base station and the private network base station; and configuring the downlink time slot of the public network base station corresponding to the isolated sector not to contain SSB.

According to the first aspect, in some example embodiments, the adjusting the downlink scheduling policy of the public network base station corresponding to the isolated sector includes: determining a downlink time slot of the time slot cross interference between the public network base station and the private network base station; and not scheduling downlink service in the downlink time slot of the public network base station corresponding to the isolated sector.

According to the first aspect, in some example embodiments, the evaluating the indicator of the private network sector and the public network sector and adjusting the isolated sector based on the evaluation result includes: determining whether the interference performance index of the private network sector meets the private network requirement, and if not, reducing the sector power of an isolated sector in the main coverage direction of the private network sector; if the requirement is met, determining whether the service capability index of the public network sector meets the requirement of the public network, if not, adjusting the sector power of the public network sector, and reducing the isolation sector corresponding to the public network sector.

According to the first aspect, in some example embodiments, said adjusting the isolated sector based on the evaluation result comprises: if the evaluation result does not reach the preset index, readjusting the configuration parameters of the isolated sector; and replanning sector classification, and evaluating indexes of the private network sector and the public network sector until the indexes of the private network sector and the public network sector reach the preset index.

According to a second aspect of the embodiments of the present disclosure, there is provided a timeslot interference processing apparatus, which is applied to a network device in a co-band tdd mode, the apparatus including: the sector division module is used for dividing the coverage sectors of the public network base station and the private network base station into a private network sector, an isolation sector and a public network sector based on the coverage areas of the public network base station and the private network base station; a strategy adjusting module, configured to adjust a sending opportunity of a synchronization signal block SSB of a downlink timeslot of the public network base station corresponding to the isolated sector and a downlink scheduling strategy; and the evaluation module is used for evaluating the indexes of the private network sector and the public network sector and adjusting the isolated sector based on the evaluation result.

According to the second aspect, in some example embodiments, the sector partitioning module is further configured to: determining an overlapping coverage area of the public network base station and the private network base station with time slot cross interference; regarding the sector in the overlapped coverage area, if the sector covers a private network service area, taking the sector as a private network sector; if the sector does not cover the private network service area, determining whether the sector is in the coverage range of the private network base station; if the sector is within the coverage range of the private network base station, determining the sector as an isolated sector; otherwise, determining the sector as a public network sector.

According to a second aspect, in some example embodiments, the apparatus further comprises: the base station dividing module is used for dividing the public network base station into a strong interference base station and a long-distance base station based on the time advance and the station spacing of the private network base station; an isolated sector determining module, configured to use all sectors of the strong interference base station as the isolated sectors; and taking the sector of the long-distance base station, which is overlapped with the coverage direction of the private network sector, as the isolated sector.

According to the second aspect, in some example embodiments, the policy adjustment module is further configured to: determining a downlink time slot of the time slot cross interference between the public network base station and the private network base station; and configuring the downlink time slot of the public network base station corresponding to the isolated sector not to contain SSB.

According to the second aspect, in some example embodiments, the policy adjustment module is further configured to: determining a downlink time slot of the time slot cross interference between the public network base station and the private network base station; and not scheduling downlink service in the downlink time slot of the public network base station corresponding to the isolated sector.

According to the second aspect, in some example embodiments, the evaluation module is further configured to: the method comprises the following steps: determining whether the interference performance index of the private network sector meets the private network requirement, and if not, reducing the sector power of an isolated sector in the main coverage direction of the private network sector; if the requirement is met, determining whether the service capability index of the public network sector meets the requirement of the public network, if not, adjusting the sector power of the public network sector, and reducing the isolation sector corresponding to the public network sector.

According to the second aspect, in some example embodiments, the evaluation module is further configured to: if the evaluation result does not reach the preset index, readjusting the configuration parameters of the isolated sector; and replanning sector classification, and evaluating indexes of the private network sector and the public network sector until the indexes of the private network sector and the public network sector reach the preset index.

According to a third aspect of the embodiments of the present disclosure, there is provided a computer readable medium, on which a computer program is stored, which when executed by a processor, implements the timeslot interference processing method as described in the first aspect of the embodiments above.

According to a fourth aspect of the embodiments of the present disclosure, there is provided an electronic apparatus including: one or more processors; storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the method for timeslot interference handling as described in the first aspect of the embodiments above.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

in some embodiments of the present disclosure, on one hand, the isolated sector, the public network sector and the private network sector are screened out by classifying the base station sector in the scheme implementation area, and the functions of different sectors can be realized by configuring various sectors in a differentiated manner, so that the service awareness of the public network user and the private network user is improved, and the cross time slot interference between the public network base station and the private network base station is reduced; on the other hand, the reasonability of classification of the isolated sector, the public network sector and the customized private network sector in the base station sector of the implementation area can be verified by evaluating the indexes of the private network sector and the public network sector and adjusting the isolated sector based on the evaluation result, the classification of the base station sector is further optimized, and the normal service of a public network user and a private network user is ensured; on the other hand, the equipment manufacturer only needs to realize related functions according to the protocol specification, and a controller or other monitoring equipment is not additionally arranged on the existing base station, so that the application cost can be reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty. In the drawings:

fig. 1 is a schematic diagram illustrating coverage areas of a public network base station and a private network base station overlap in a technical solution;

fig. 2 is a schematic diagram illustrating a timeslot structure in a time division duplex mode in an embodiment;

fig. 3 is a schematic diagram illustrating timeslot cross interference between different timeslot ratios in a technical solution;

fig. 4 shows a flow diagram of a method of timeslot interference handling in some example embodiments according to the present disclosure

Fig. 5 shows a flow diagram of a method of timeslot interference handling in further example embodiments according to the present disclosure;

FIG. 6 shows a flow diagram of sector classification according to further example embodiments of the present disclosure;

fig. 7 illustrates a schematic diagram of isolated sector screening according to some example embodiments of the present disclosure;

fig. 8 shows a flow diagram of a sector configuration according to some example embodiments of the present disclosure;

fig. 9 illustrates a schematic diagram of SSB transmission occasions for an isolated sector, in accordance with some example embodiments of the present disclosure;

fig. 10 shows a flow diagram of a network device sending SSBs, in accordance with some example embodiments of the present disclosure;

fig. 11 illustrates a schematic diagram of quarantined sector downlink scheduling policy adjustment, according to some example embodiments of the present disclosure;

fig. 12 illustrates a flow diagram of isolated sector downlink scheduling information interaction, according to some example embodiments of the present disclosure;

FIG. 13 illustrates a flow diagram of policy effect evaluation within an enforcement area, according to some example embodiments of the present disclosure;

fig. 14 illustrates a schematic diagram of a public network private network cross-slot interference subframe, according to some example embodiments of the present disclosure;

figure 15 shows a schematic diagram of an isolated sector time slot design, according to some example embodiments of the present disclosure;

fig. 16 is a schematic structural diagram of a timeslot interference processing apparatus according to an embodiment of the present disclosure;

fig. 17 shows a schematic structural diagram of an electronic device in an exemplary embodiment of the present disclosure.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the disclosure.

The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.

The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.

Hereinafter, a timeslot interference processing method in an exemplary embodiment of the present disclosure is described in detail with reference to the accompanying drawings.

Specifically, the current mode mainly used in 5G is TDD (Time Division duplex) communication system, as shown in fig. 2, a frame structure on a Time domain resource mainly includes a radio frame (10ms), a subframe (1ms), slots, and symbols, where 1 radio frame includes 10 subframes, 1 subframe includes N _ subframe _ slot (slot), and 1 slot includes 14 (calculated according to a conventional CP) OFDM (Orthogonal Frequency Division Multiplexing) symbols (symbol), where N _ subframe _ slot depends on a subcarrier bandwidth (SCS) size of a Frequency domain, and SCS is 30KHz as an example: n _ subframe _ slot ═ 2. The frame structure is scheduled in a 5G eMBB (Enhanced Mobile Broadband) scene in units of time Slots, the time Slots are divided into Downlink Slots (DS), Uplink Slots (US) and Special Slots (SU) according to the scheduled data types, and the Symbols in the Special Slots are divided into Downlink Symbols (DS), Uplink Symbols (US) and gp (flex Symbols).

The new 5G air interface has the characteristics of flexible uplink and downlink time slot ratio, and an operator can configure the uplink and downlink time slot ratio according to service requirements. The ratio of different time slots (the ratio of uplink time slot to downlink time slot) directly determines the maximum uplink and downlink rates of the current network. If the time slot allocation of two adjacent 5G base stations in the same frequency band is different, referring to fig. 3, at the same time, the uplink time slot of one base station may generate strong interference to the downlink time slot of another base station, or the downlink time slot of one base station may generate strong interference to the uplink time slot of another base station, so that interference between time slots is formed, and service is affected.

Specifically, the interference of the downlink time slot to the uplink time slot is mainly affected by receiving a downlink SSB (synchronization signal block) signal, a pdcch (pdcch) channel, and a PDSCH downlink traffic channel. The SSB includes a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS), and a Physical Broadcast Channel (PBCH). When the network device sends the SSB to the terminal device, the SSB is mapped to a time-frequency resource with a specific size for sending. In one possible design, the time-Frequency Resource of a specific size occupies 20 Resource Blocks (RBs) in the Frequency domain and 4 Orthogonal Frequency Division Multiplexing (OFDM) symbols in the time domain. Where each RB includes consecutive 12 subcarriers in the frequency domain. One Slot has 14 symbols, and when multiple subcarriers coexist, in order to reduce uplink and downlink interference, it is required that SSBs in the same Slot cannot exist at the same time.

In order to reduce the interference between networks with 5G same frequency band and different time slot ratios, the conventional optimization method of an operator adopts a mode of increasing an isolation distance and a frequency error, wherein the increase of the isolation distance is the increase of the distance between base stations with two different time slot ratios, so that the downlink signal strength of one time slot ratio base station is not enough to influence the uplink signal of the other base station, and the cross time slot interference between the uplink signal and the downlink signal is avoided; another frequency error method is to perform different timeslot configurations through different frequency bands (e.g., 2.6GHz and 4.9GHz) allocated by the country, and the frequency error can avoid interference between two different configured base stations.

However, increasing the isolation distance cannot completely avoid the interference of two base stations, and the isolation of the physical site will affect the coverage of the public network, resulting in a coverage hole in a part of the area, that is, the hole area cannot receive the signal of the public network base station, nor the signal of the customized private network base station.

In addition, the scheme of providing different time slot ratios in a frequency staggering manner is limited by frequency resources issued by the country, the frequency resources of operators are limited resources, for the operators with fewer frequency bands, for increasing user capacity requirements, independent frequency resources cannot be reserved for customizing coverage of private networks, and after the scale of the related customization application requirements of 5G is increased, cross interference with different configurations is formed among the customized private networks.

Generally, a network with high uplink and low time delay of 5G customized private network user requirements can quickly realize the private network user requirements by customizing a time slot ratio network with high uplink time slot ratio, and when the time slot ratio configuration of two adjacent 5G base stations (a customized private network and a public network) in the same frequency band is different, in an area covered by the private network base station and the public network base station at the same time, the downlink time slot of a first base station of the same data frame at the same time forms interference among time slots on the uplink time slot of a second base station, so that the service of private network and public network users is seriously influenced.

Based on the above content, the embodiment of the present disclosure reduces the timeslot cross interference in the TDD mode by adding the "isolated sector" between the public network and the private network with different timeslot ratios, and only a certain influence is generated on the peak value of the coverage area of the "isolated sector", and no signal difference or no network access of the user occurs, thereby ensuring the service experience of the 5G customized private network user, and the service experience of the peripheral public user is not substantially influenced.

Fig. 4 shows a flowchart illustration of a method of timeslot interference handling according to some example embodiments of the present disclosure. The execution main body of the timeslot interference processing method provided by the embodiment of the present disclosure may be a network device with a calculation processing function, such as a base station, where the network device operates in a same-frequency-band time division duplex mode. The timeslot interference processing method includes steps S410 to S430, and the timeslot interference processing method in the exemplary embodiment is described in detail below with reference to the drawings.

Referring to fig. 4, in step S410, coverage sectors of the public network base station and the private network base station are divided into a private network sector, an isolation sector, and a public network sector based on coverage areas of the public network base station and the private network base station.

In an example embodiment, the isolated sector is located between a private network sector and a public network sector of different timeslot ratios in the same frequency band, for example, the isolated sector includes a sector in an overlapping coverage area that is within a coverage area of the private network base station and does not cover a private network service area, and the overlapping coverage area is an area where timeslot cross interference exists between the public network base station and the private network base station.

Further, determining an overlapping coverage area of time slot cross interference between the public network base station and the private network base station; aiming at the sector in the overlapped coverage area, if the sector covers a private network service area, taking the sector as a private network sector; if the sector does not cover the private network service area, determining whether the sector is in the coverage range of the private network base station, and if so, determining the sector as an isolated sector; otherwise, determining the sector as a public network sector. The overlapping coverage area is an implementation area of the embodiment of the present disclosure, that is, an overlapping coverage area with both a normal time slot allocation of a public network and a customized time slot allocation of a private network in a 5G scene with the same frequency band.

In step S420, the SSB transmission timing and the downlink scheduling policy of the public network base station corresponding to the isolated sector are adjusted.

In an exemplary embodiment, considering that an SSB signal transmitted by a downlink timeslot of a public network base station may interfere with an uplink timeslot of a private network sector in the same frequency band, an SSB transmission timing of a downlink timeslot of an "isolated sector" is adjusted, for example, the number (N) of the downlink timeslot including the SSB in the "isolated sector" cannot be greater than the number (N) of the downlink timeslot of the private network sector, and the downlink timeslot of the "isolated sector" having cross interference does not transmit the SSB.

Further, in the exemplary embodiment, an "isolated sector" is a layer of sector between a public network sector and a customized private network sector, and it is necessary to isolate the public network sector from the customized private network sector, so as to reduce inter-sector cross slot interference and guarantee customized private network user services. Therefore, the "isolated sector" needs to match the originally configured public network downlink time slot with the customized private network uplink time slot, and the downlink time slot of the customized private network uplink transmission time slot corresponding to the "isolated sector" does not schedule downlink service data, for example, PDSCH resources are not scheduled at this time, and at the same time, the time slot of the non-scheduled downlink service uses the minimum PDCCH resources, so that downlink service data of a downlink channel is reduced, and uplink interference to the customized private network is reduced.

In step S430, the indexes of the private network sector and the public network sector are evaluated, and the isolated sector is adjusted based on the evaluation result.

In an example embodiment, determining whether an interference performance index of a private network sector meets a private network requirement, and if not, reducing the sector power of an isolated sector in a main coverage direction of the private network sector;

if the requirement is met, determining whether the service capability index of the public network sector meets the requirement of the public network, if not, adjusting the sector power of the public network sector, and reducing the isolation sector corresponding to the public network sector. .

In an example embodiment, the interference performance index of the private network sector includes one or more of RSSI, uplink packet loss rate, and block error rate, and the service capability index of the public network sector includes: one or more of RSRP, SINR, downlink traffic rate, uplink traffic rate, and voice call-on rate indicators.

According to the technical solution in the example embodiment of fig. 4, on one hand, the isolated sector, the public network sector and the private network sector are screened out by classifying the base station sectors in the implementation area of the solution, so that the functions of different sectors can be realized by configuring various sectors in a differentiated manner, the service awareness of the public network user and the private network user is improved, and the cross slot interference between the public network base station and the private network base station is reduced; on the other hand, the reasonability of classification of the isolated sector, the public network sector and the customized private network sector in the base station sector of the implementation area can be verified by evaluating the indexes of the private network sector and the public network sector and adjusting the isolated sector based on the evaluation result, the classification of the base station sector is further optimized, and the normal service of a public network user and a private network user is ensured; on the other hand, the equipment manufacturer only needs to realize related functions according to the protocol specification, and a controller or other monitoring equipment is not additionally arranged on the existing base station, so that the application cost can be reduced.

Fig. 5 shows a flowchart of a method of timeslot interference handling according to further example embodiments of the present disclosure.

Referring to fig. 5, in step S510, the sectors in the implementation area are classified according to the coverage area of the base station, and the private network sector, the public network sector, and the isolated sector are screened out.

In an exemplary embodiment, the implementation area is an overlapping coverage area where there are both a normal time slot allocation of a public network and a customized time slot allocation of a private network in a 5G same-frequency-band scene, and the sectors are classified according to the coverage scene of the base station sectors, so that a configuration strategy is applied to various sectors according to the sector classification in the subsequent step. Implementing sector classification within a region includes the steps of: the sector classification and the "isolated sector" of the customized private network are classified with the sector of the public network. Next, a process of classifying sectors in the implementation area will be described in detail with reference to fig. 6.

Referring to fig. 6, in step S610, sectors within the implementation area are determined.

In an exemplary embodiment, the implementation area is an overlapping coverage area where there is both a normal timeslot allocation of a public network and a customized timeslot allocation of a private network in a 5G same frequency band scene, and a sector of a base station in the implementation area is obtained.

In step S620, it is determined whether the sector covers a private network service area.

In an example embodiment, customized private network sectors are classified according to whether the sector covers a private network service area. If the private network service area is covered, the sector is determined to be a private network sector, otherwise, the process goes to step S630. That is, according to the service requirement of the customized private network, all sectors of the base station in the service area of the customized private network are classified as private network sectors.

In step S630, it is determined whether the sector is within the effective coverage of the private network base station.

In an example embodiment, if a sector does not cover a private network service area and is within an effective coverage range of a private network base station, determining that the sector is an isolated sector; if the sector is not within the effective coverage range of the private network base station, the sector is determined to be a public network sector. Further, in the exemplary embodiment, considering the modification of the "isolated sector" in the subsequent step, the initial "isolated sector" and the public network sector are screened here, and since the method mainly reduces the interference between sectors, the screening method of the "isolated sector" is mainly based on the sector coverage capability.

Firstly, according to the coverage capability of a private network base station (mainly referring to access TA (Timing Advance)), a public network base station is divided into a strong interference base station and a long-distance base station, wherein all sectors of the base station within the coverage range of the strong interference base station are included in an 'isolation sector' statistic, and sectors with an included angle of less than 150 degrees between the normal direction of the sector covering the private network direction of the long-distance base station and the normal direction of the private network sector (namely, the sector direction is overlapped with the coverage direction of the private network sector) are also included in the 'isolation sector' statistic. The time advance TA is a starting time point of a certain uplink timeslot where the terminal calculates from the received signal according to a certain downlink timeslot. TA may represent the distance of the terminal from the base station.

Referring to fig. 7, the screening method for the strong interference base station and the long-distance base station in the coverage area is to screen through the average TA and the inter-station distance of the outermost edge private network base station, and the specific screening method and the statistical method are as follows:

TABLE 1 screening and statistics method for "isolated sectors

And after the 'isolated sectors' of the strong interference base station and the long-distance base station are counted in total, the remaining sectors in the implementation area are all used as public network sectors.

In step S520, the policy configuration is applied to the classified sectors.

In the exemplary embodiment, since the public network user generally requires a downlink traffic flow much larger than an uplink traffic flow, and the customized private network user generally requires a reverse traffic of a large uplink traffic flow, there is a large difference in timeslot ratio between the public network area and the private network area, and just such a difference directly causes a large interference between the public network sector and the private network sector. In order to reduce interference between the two, isolated sectors are introduced, and corresponding configuration strategies need to be applied to corresponding sector types. And applying a configuration strategy to the isolated sector to reduce the interference between two time slot ratio sectors.

Further, in step S524, configuring the public network sector includes: and configuring the public network sector according to the public network parameter specification. Step S526, configuring the private network sector includes: and customizing a large uplink time slot ratio frame structure according to the requirement of a private network user. Step S528, configuring the isolated sector, mainly including steps S810 to S830:

step S810, configuring parameters such as corresponding time slot ratio and the like according to public network parameter specifications;

step S820, adjusting SSB sending opportunity of downlink time slot of the isolation sector;

in an exemplary embodiment, considering that an SSB signal transmitted by a downlink timeslot of a base station may interfere with an uplink timeslot of a private network sector in the same frequency band, an SSB transmission timing of a downlink timeslot of an "isolated sector" is adjusted, where the number (N) of downlink timeslots including SSBs in the "isolated sector" cannot be greater than the number (N) of downlink timeslots of the private network sector, and downlink timeslots of the remaining "isolated sectors" do not transmit SSBs. The Sub6G protocol specifies that a slot contains at most 2 SSBs, i.e. the number of SSBs of an isolated sector is not more than 2N, as shown in fig. 9.

In an exemplary embodiment, referring to fig. 10, the number of SSBs in the downlink timeslot is notified to the terminal device by the network device, for example, when the base station broadcasts the SIB1 message, and the network device sends the SSBs to each terminal device at the time-frequency domain position where the SSBs are distributed.

Step S830, a downlink scheduling policy of the downlink timeslot of the isolated sector is adjusted.

In the exemplary embodiment, the "isolated sector" is a layer of sector between the public network sector and the customized private network sector, and the public network sector needs to be isolated from the customized private network sector, so as to reduce cross slot interference between sectors and guarantee the service of the customized private network user. Therefore, the "isolated sector" needs to match the originally configured public network downlink time slot with the customized private network uplink time slot, and downlink service data is not scheduled in the downlink time slot of the "isolated sector" corresponding to the uplink transmission time slot of the customized private network, that is, PDSCH resources are not scheduled at this time, and at the same time, the time slot of the non-scheduled downlink service uses the minimum PDCCH resources, so that downlink service data of a downlink channel is reduced, and uplink interference to the customized private network is reduced, as shown in fig. 11. According to the 3gpp protocol specification, the PDCCH is minimum time domain 1 symbol and frequency domain 1 CEE (12 REs), and the minimum PDCCH resource strategy can be adopted in the time slot without scheduling PDSCH resources, so as to reduce downlink traffic.

In an example embodiment, referring to fig. 12, the network device may adopt a minimum PDCCH resource policy in a time slot in which PDSCH resources are not scheduled, where PDSCH traffic is not scheduled in the time slot, and downlink traffic is reduced.

In step S530, intra-region effect evaluation is performed on the classification sector.

In an example embodiment, after applying corresponding policies to a public network sector, an "isolation sector" and a customized private network sector in an implementation area, an effect test evaluation system is established for implementation effects in the area, including interference performance of a private network service area and service capability of the public network area.

In step S540, it is determined whether the evaluation result reaches a predetermined index.

In the exemplary embodiment, if the evaluation effect does not reach the predetermined index, the process proceeds to step S550, i.e., the corresponding parameters of the "isolated sector" need to be readjusted, the sector classification needs to be re-planned, and the corresponding policy needs to be re-applied until the desired effect is reached. If the predetermined index is reached, the process is ended. The effect evaluation method mainly comprises two steps: and evaluating the interference performance of the private network service area and evaluating the service capability of the public network area.

In step S550, optimization strategy adjustment is performed.

In an exemplary embodiment, the corresponding parameters of the "isolated sectors" are re-adjusted, the sector classifications are re-planned, and the corresponding policies are re-applied until the desired effect is achieved. And continuously tracking the evaluation system process of the effect until the interference index of the private network area and the service capability of the public network area meet the evaluation effect.

FIG. 13 illustrates a flow diagram of policy effect evaluation within an enforcement area, according to some example embodiments of the present disclosure.

Referring to fig. 13, in step S1310, whether the interference index of the private network service area meets the predetermined requirement is continuously tracked.

In an exemplary embodiment, continuously tracking and evaluating the interference performance related index for a private network sector at a sector level for a predetermined time, for example, for one week (eliminating traffic variation influence), and comparing the related index with that before implementing customized private network configuration, determining whether the predetermined requirement of the private network service area is met, if so, proceeding to step S1340; if not, the process proceeds to step S1320. For example, if the degradation ratio of the index of the private network service area continues for three statistical granularities (one statistical granularity of the current network base station is 15 minutes) exceeding the T0 value by 10% or more, it is determined that the predetermined requirement of the private network service area is not satisfied, as shown in table 2 below.

TABLE 2 evaluation of interference performance in private network areas

Index statistical time	RSSI	Uplink packet loss rate	Uplink bler
				T0	Index	1	Index 1	Index 1
15 minutes	Index	2	Index 2						Index 2
				30 minutes	Index 3	Index 3	Index 3
45 minutes	Index 4	Index 4	Index 4
				…	…	…	…
One week	…	…	…

In step S1320, a high interference cell is screened, and the isolated sector power in the direction of the high interference cell is reduced.

In the exemplary embodiment, when the degradation ratio exceeds the T0 value by 10% or more for three statistical granularities (one statistical granularity of 15 minutes for the current network base station), the power of the associated high interference cell area "isolated sector" in the main coverage direction (60 degrees directions around the normal) of the relevant sector is adjusted to reduce the interference.

In step S1330, the sector classification and sector configuration are performed again.

In step S1340, it is determined whether the public network area indicator meets a predetermined requirement.

In an example embodiment, the indexes are tested in the public network area, for example, DT (Driving Test) traversal Test and CQT (Call Quality Test) sampling Test are implemented, RSRP, SINR, downlink traffic rate, uplink traffic rate and voice Call rate indexes related to user experience are mainly evaluated, whether the public network area indexes meet predetermined requirements is determined, and if yes, the process is ended; otherwise, the process proceeds to step S1350.

In step S1350, the sector power of the degraded area is adjusted and the isolated sector of the distant base station is reduced appropriately from the outer layer.

In an example embodiment, if the index of the public network area is lower than the public network service assessment threshold (referring to the assessment requirement of each operator), the sector power of the degradation area is adjusted, the 'isolation sector' of the remote base station is properly reduced from the outer layer, and the evaluation of whether the interference performance of the private network area is affected is restarted after the adjustment. And then, continuously tracking the process of the effect evaluation system until the interference index of the private network area and the service capability of the public network area meet the evaluation effect.

Hereinafter, the timeslot interference processing method according to the exemplary embodiment of the present disclosure is described in detail with reference to specific embodiments.

In an example embodiment, taking a 5G current network configuration as an example, the ratio of uplink and downlink timeslots used in a current common public network is 7:3 of a 2.5ms double cycle, that is, 7 uplink timeslots and 3 downlink timeslots, and resource allocation mainly faces downlink.

The customized private network of the 5G government enterprise generally has special requirements on uplink, and taking the application of the 5G customized private network of a certain steel plant as an example, specific requirements of a user are real-time return of 36 paths of high-definition videos in a workshop and issuing of partial simple control instructions, and through measuring and calculating the uplink bandwidth requirement of 350Mbps, the time delay needs to be controlled within 20 ms. Therefore, uplink and downlink matching of 2:3 is adopted in the customized private network scene design, and compared with a standard frame structure of a common scene, uplink air interface resources are doubled. According to a standard rate calculation formula of a protocol specification, the theoretical uplink rate can reach about 675Mbps according to the 2:3 time slot ratio.

However, when the same frequency band 5G and different timeslot ratios are deployed in the same area, there is a risk of cross timeslot interference. Specifically, the 2.5ms double-period structure configured in the public network is DDDSU and DDSUU, D represents a downlink time slot, U represents an uplink time slot, S represents a special time slot, the symbol ratio in S is 10:2:2, that is, 10 downlink symbols, 2 GP symbols and 2 uplink symbols, and the GP symbols are used for uplink and downlink isolation. Customized ad hoc networks typically have very high requirements on uplink rate and delay. Therefore, a special time slot needs to be designed, the 2.5ms double period is changed into the 2.5ms single period, the time slot ratio is changed into 2:3, the structure is DSUUU and DSUU, and the symbol ratio in S is 11:1: 2. The public network 7D3U is paired with a private network 2D3U slot configuration such as in fig. 14.

As can be seen from fig. 14, in fact, at the Slot2, Slot3 and Slot7, at the same time, the relevant slots in the two Slot allocations do not match, so that overlapping cross interference between slots occurs, which affects the rate and the delay. The actual test conditions after the configuration according to two different time slots on the current network base station are as shown in the following table 3, and the actual uplink rate test without any protective measures is only about 210Mbps and far reaches the theoretical peak rate.

TABLE 3 interference field test conditions

Furthermore, by using the conventional optimization means, after a circle of base stations around are locked to reduce interference among the base stations, the reverse rate can be measured to be over 600Mbps, but the method has a large influence on users in a surrounding public network, and after the base stations in the surrounding public network are locked, public users can hardly access 5G.

The method provided by the embodiment of the disclosure can be applied to the implementation area, and firstly, the sector of the customized private network service area is classified as a private network sector according to the coverage of the base station sector, the sector of the public network common user service area is classified as a public network sector, and the related sector of a layer of site of the public network service area base station closest to the private network area is defined as an initial isolation sector.

Secondly, corresponding strategies are respectively applied to the classification sectors, wherein the public network sectors are applied with a large network standard parameter strategy, and if the time slot ratio applied by the large network is 2.5ms and the time slot ratio is a standard parameter of 7:3 in a double period; the customized private network application adopts customized network parameter configuration according to a customer demand service model, so that the customized private network of the steel 5G project adopts 2:3 time slot ratio of 2.5ms single period; the "isolated sector" needs to be distributed to set its parameter policy (see fig. 15):

the first step is as follows: setting the time slot ratio as 2.5ms double period 7:3 of the large network;

the second step is that: adjusting SSB sending time, and according to the cross condition of the time slot ratio of the large network and the time slot ratio of the customized private network, not sending SSB signals on the

time slots

1, 2, 3, 6 and 7 of the double period;

the third step: and adjusting a downlink scheduling strategy, adjusting the scheduling strategy of the PDCCH in the

time slots

1, 2, 3, 6 and 7 of the double period, not scheduling downlink services in the 5 time slots, and simultaneously reserving only 6 RBs of 1 symbol for the Coreset resource in the 5 time slots, allocating downlink resources as little as possible, and reducing the influence on adjacent customized private network sectors.

And finally, testing and evaluating the implementation effect in the area, after various sectors implement corresponding strategies in batches, testing SINR, RSSI, service downlink rate and time delay indexes of the 5G network in the area through DT and CQT, comparing the relevant indexes with the requirements of private network customers, if the relevant indexes do not meet the requirements of private network users, expanding the range of the isolated sector, and re-defining the sector coverage range and then applying the test.

It is noted that the above-mentioned figures are merely schematic illustrations of processes involved in methods according to exemplary embodiments of the present disclosure and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.

The following describes an embodiment of an apparatus of the present disclosure, which may be used to perform the timeslot interference processing method of the present disclosure.

Fig. 16 is a schematic structural diagram of a timeslot interference processing apparatus according to an embodiment of the present disclosure.

Referring to fig. 16, there is provided a timeslot interference processing apparatus 1600, which is applied to a network device in a co-band tdd mode, where the apparatus 1600 includes: a sector division module 1610, configured to divide coverage sectors of a public network base station and a private network base station into a private network sector, an isolation sector, and a public network sector based on coverage areas of the public network base station and the private network base station; a policy adjusting module 1620, configured to adjust a sending opportunity of a synchronization signal block SSB of a downlink timeslot of the public network base station corresponding to the isolated sector and a downlink scheduling policy; an evaluation module 1630 configured to evaluate the indicator of the private network sector and the public network sector, and adjust the isolated sector based on the evaluation result.

In some example embodiments, the sector division module 1610 is further configured to: determining an overlapping coverage area of the public network base station and the private network base station with time slot cross interference; regarding the sector in the overlapped coverage area, if the sector covers a private network service area, taking the sector as a private network sector; if the sector does not cover the private network service area, determining whether the sector is in the coverage range of the private network base station; if the sector is within the coverage range of the private network base station, determining the sector as an isolated sector; otherwise, determining the sector as a public network sector.

In some example embodiments, the apparatus 1600 further comprises: the base station dividing module is used for dividing the public network base station into a strong interference base station and a long-distance base station based on the time advance and the station spacing of the private network base station; an isolated sector determining module, configured to use all sectors of the strong interference base station as the isolated sectors; and taking the sector of the long-distance base station, which is overlapped with the coverage direction of the private network sector, as the isolated sector.

In some example embodiments, the policy adjustment module 1620 is further configured to: determining a downlink time slot of the time slot cross interference between the public network base station and the private network base station; and configuring the downlink time slot of the public network base station corresponding to the isolated sector not to contain SSB.

In some example embodiments, the policy adjustment module 1620 is further configured to: determining a downlink time slot of the time slot cross interference between the public network base station and the private network base station; and not scheduling downlink service in the downlink time slot of the public network base station corresponding to the isolated sector.

In some example embodiments, the evaluation module 1630 is further configured to: the method comprises the following steps: determining whether the interference performance index of the private network sector meets the private network requirement, and if not, reducing the sector power of an isolated sector in the main coverage direction of the private network sector; if the requirement is met, determining whether the service capability index of the public network sector meets the requirement of the public network, if not, adjusting the sector power of the public network sector, and reducing the isolation sector corresponding to the public network sector.

In some example embodiments, the evaluation module 1630 is further configured to: if the evaluation result does not reach the preset index, readjusting the configuration parameters of the isolated sector; and replanning sector classification, and evaluating indexes of the private network sector and the public network sector until the indexes of the private network sector and the public network sector reach the preset index.

Since each functional module of the timeslot interference processing apparatus in the exemplary embodiment of the present disclosure corresponds to a step of the exemplary embodiment of the timeslot interference processing method, please refer to the embodiment of the timeslot interference processing method in the present disclosure for details that are not disclosed in the embodiment of the apparatus of the present disclosure.

It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.

Moreover, although the steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that the steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc.

Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a mobile terminal, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.

In an exemplary embodiment of the present disclosure, there is also provided a computer storage medium capable of implementing the above method. On which a program product capable of implementing the above-described method of the present specification is stored. In some possible embodiments, various aspects of the present disclosure may also be implemented in the form of a program product including program code for causing a terminal device to perform the steps according to various exemplary embodiments of the present disclosure described in the "exemplary methods" section above of this specification when the program product is run on the terminal device.

The program product may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present disclosure is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

The program product described above may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

A computer readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Program code for carrying out operations for the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).

In addition, in an exemplary embodiment of the present disclosure, an electronic device capable of implementing the above method is also provided.

As will be appreciated by one skilled in the art, aspects of the present disclosure may be embodied as a system, method or program product. Accordingly, various aspects of the present disclosure may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.

An electronic device 1700 according to this embodiment of the present disclosure is described below with reference to fig. 17. The electronic device 1700 shown in fig. 17 is only an example and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.

As shown in fig. 17, electronic device 1700 is in the form of a general purpose computing device. Components of electronic device 1700 may include, but are not limited to: the at least one processing unit 910, the at least one memory unit 920, and a bus 930 that couples various system components including the memory unit 920 and the processing unit 910.

Wherein, the storage unit stores program codes, and the program codes can be executed by the processing unit 910, so that the processing unit 910 executes the steps according to various exemplary embodiments of the present disclosure described in the "exemplary method" section above in this specification. For example, the processing unit 910 described above may perform the following as shown in fig. 4: step S410, based on the coverage areas of the public network base station and the private network base station, dividing the coverage sectors of the public network base station and the private network base station into a private network sector, an isolation sector and a public network sector; step S420, adjusting SSB sending time and downlink scheduling strategy of the public network base station corresponding to the isolated sector; step S430, the indexes of the private network sector and the public network sector are evaluated, and the isolation sector is adjusted based on the evaluation result.

For example, the processing unit 910 may further perform the timeslot interference processing method in the embodiment of the foregoing manner.

The storage unit 920 may include a readable medium in the form of a volatile storage unit, such as a random access memory unit (RAM)9201 and/or a cache memory unit 9202, and may further include a read only memory unit (ROM) 9203.

Storage unit 920 may also include a program/utility 9204 having a set (at least one) of program modules 9205, such program modules 9205 including but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.

Bus 930 can be any of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

The electronic device 1700 can also communicate with one or more external devices 990 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 1700, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 1700 to communicate with one or more other computing devices. Such communication may occur via input/output (I/O) interface 950. Also, the electronic device 1700 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet) via the network adapter 960. As shown, the network adapter 960 communicates with the other modules of the electronic device 1700 via the bus 930. It should be appreciated that although not shown, other hardware and/or software modules may be used in conjunction with electronic device 1700, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.

Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.

Furthermore, the above-described figures are merely schematic illustrations of processes included in methods according to exemplary embodiments of the present disclosure, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. A time slot interference processing method is applied to a network device in a same-frequency band time division duplex mode, and comprises the following steps:

dividing coverage sectors of a public network base station and a private network base station into a private network sector, an isolation sector and a public network sector based on coverage areas of the public network base station and the private network base station;

adjusting the sending time of a synchronous signal block SSB of a downlink time slot of a public network base station corresponding to the isolated sector and a downlink scheduling strategy;

and evaluating the indexes of the private network sector and the public network sector, and adjusting the isolation sector based on the evaluation result.

2. The method of claim 1, wherein the dividing coverage sectors of the public network base station and the private network base station into a private network sector, an isolated sector, and a public network sector comprises:

determining an overlapping coverage area of the public network base station and the private network base station with time slot cross interference;

regarding the sector in the overlapped coverage area, if the sector covers a private network service area, taking the sector as a private network sector;

if the sector does not cover the private network service area, determining whether the sector is in the coverage range of the private network base station;

if the sector is within the coverage range of the private network base station, determining the sector as an isolated sector; otherwise, determining the sector as a public network sector.

3. The method of claim 1, further comprising:

dividing the public network base station into a strong interference base station and a long-distance base station based on the time advance and the station spacing of the private network base station;

all sectors of the strong interference base station are taken as the isolated sectors;

and taking the sector of the long-distance base station, which is overlapped with the coverage direction of the private network sector, as the isolated sector.

4. The method of claim 1, wherein the adjusting the SSB transmission timing of the public network base station corresponding to the isolated sector comprises:

determining a downlink time slot of the time slot cross interference between the public network base station and the private network base station;

and configuring the downlink time slot of the public network base station corresponding to the isolated sector not to contain SSB.

5. The method of claim 1, wherein the adjusting the downlink scheduling policy of the public network base station corresponding to the isolated sector comprises:

and not scheduling downlink service in the downlink time slot of the public network base station corresponding to the isolated sector.

6. The method of claim 1, wherein the evaluating metrics of the private network sector and the public network sector and the adjusting the isolated sector based on the evaluation comprises:

determining whether the interference performance index of the private network sector meets the private network requirement, and if not, reducing the sector power of an isolated sector in the main coverage direction of the private network sector;

if the requirement is met, determining whether the service capability index of the public network sector meets the requirement of the public network, if not, adjusting the sector power of the public network sector, and reducing the isolation sector corresponding to the public network sector.

7. The method of any of claims 1-6, wherein said adjusting the isolated sector based on the evaluation comprises:

if the evaluation result does not reach the preset index, readjusting the configuration parameters of the isolated sector;

and replanning sector classification, and evaluating indexes of the private network sector and the public network sector until the indexes of the private network sector and the public network sector reach the preset index.

8. A timeslot interference processing apparatus, applied to a network device in a co-band time division duplex mode, the apparatus comprising:

the sector division module is used for dividing the coverage sectors of the public network base station and the private network base station into a private network sector, an isolation sector and a public network sector based on the coverage areas of the public network base station and the private network base station;

a strategy adjusting module, configured to adjust a sending opportunity of a synchronization signal block SSB of a downlink timeslot of the public network base station corresponding to the isolated sector and a downlink scheduling strategy;

and the evaluation module is used for evaluating the indexes of the private network sector and the public network sector and adjusting the isolated sector based on the evaluation result.

9. A computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the method for slotted interference processing according to any one of claims 1 to 7.

10. An electronic device, comprising:

one or more processors;

storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the time-slot interference processing method of any one of claims 1 to 7.