Cell network interference coordination method

Abstract

The invention discloses a cell network interference coordination method, a target cell comprises a first network and a second network, and the method comprises the following steps: obtaining a target allocation number of the second network to the first network of the target cell in a preset period; obtaining a second network allocation number of each neighbor cell of the target cell in the preset period; if the second network allocation number of any adjacent cell in the adjacent cells is smaller than the target allocation number, taking the adjacent cells as interference cells; determining effective resources of an overlapping area of the target cell and the interference cell; and allocating effective resources to the first network users in the overlapping area of the target cell and the interference cell. According to the invention, the interference of the adjacent cell on the target cell can be avoided.

Description

Technical Field

[0001] The present application relates to the technical field of network interference, and in particular to a method for coordinating cell network interference. Background Art

[0002] In the field of mobile wireless networks, with the popularization of various smart devices and the rapid growth of data services, how to efficiently utilize spectrum resources has become the current research focus. In order to meet the growing data demand and improve network performance, a series of emerging technologies are emerging. Among them, intelligent dynamic spectrum sharing technologies such as dynamic spectrum sharing (DSS) orchestration technology have attracted much attention and are regarded as a promising solution.

[0003] DSS orchestration technology is designed to optimize the deployment of wireless access network services in a cell on a single spectrum. Through DSS orchestration, a cell can flexibly switch between multiple standards (such as 3G, 4G, and 5G) and support the simultaneous deployment of wireless access network services of multiple standards, or only provide services of a single standard. This means that according to the real-time load ratio changes of users of each standard, the cell can dynamically adjust its status to adapt to the changes in demand for services of different standards.

[0004] However, since the proportion of different-standard services between different cells may vary significantly, when the intelligent dynamic spectrum sharing technology is enabled, the cell status between adjacent cells may not be aligned, causing the network signals of the adjacent lower-capacity cells on the same frequency (such as 4G) to seriously interfere with the higher-capacity network signals (such as 5G) in this area. Summary of the invention

[0005] The present application provides a cell network interference coordination method, which can improve the interference of neighboring cells to the target cell.

[0006] The present application provides a cell network interference coordination method, the method comprising:

[0007] Obtain a target allocation number of the second sub-area second network to the first sub-area first network of the target spectrum sharing cell target cell in the preset period in the preset period; and a second network allocation number of each adjacent cell neighboring cell of the target spectrum sharing cell target cell in the preset period;

[0008] If the second network allocation number of any adjacent cell neighboring area among the adjacent cell neighboring areas is less than the target allocation number, the adjacent cell neighboring area is regarded as an interference cell;

[0009] Determine the effective resources of the target spectrum sharing cell and the overlapping area of ​​the interfering cell;

[0010] Effective resources are allocated to a first network user in a target spectrum sharing cell and in an area overlapping with an interference cell.

[0011] The beneficial effect of the present application is that, different from the prior art, the present application can clearly understand the spectrum allocation of each cell by obtaining the target allocation number of the second network to the first network in the target cell, as well as the second network allocation number of the neighboring cell. When it is identified that the second network allocation number of any neighboring cell is less than the target allocation number, the corresponding neighboring cell is marked as an interference cell, and the area of ​​the target cell affected by strong interference is specifically identified. By further determining the effective resources in the overlapping area of ​​the target cell and the interference cell, when allocating resources to the first network user in the target cell, for the first network user in the strongly interfered area, i.e., the overlapping area, it can be selected from the effective resources for allocation. That is, it avoids the resources affected by the interfered cell, thereby effectively improving the serious interference problem caused by the difference in service ratios between cells and the misalignment of the state after the intelligent dynamic spectrum sharing technology is enabled in the related technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0013] Figure 1 It is a flowchart of the first embodiment of the cell network interference coordination method provided by the present application;

[0014] Figure 2 It is a flowchart of 4G and 5G spectrum sharing system;

[0015] Figure 3 This is a structural diagram of the cell distribution and mutual coverage relationship in scenario 1;

[0016] Figure 4 Another structural diagram of the cell distribution and mutual coverage relationship of scenario 1;

[0017] Figure 5 This is a structural diagram of the cell distribution and mutual coverage relationship in scenario 2;

[0018] Figure 6 Another structural diagram of the cell distribution and mutual coverage relationship in scenario 2;

[0019] Figure 7 It is a structural schematic diagram of an embodiment of an electronic device provided by the present application;

[0020] Figure 8It is a structural schematic diagram of an embodiment of a computer-readable storage medium provided by the present application. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It will be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some but not all structures related to the present application are shown in the drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] In the field of mobile wireless networks, with the popularization of various smart devices and the rapid growth of data services, how to efficiently utilize spectrum resources has become the current research focus. In order to meet the growing data demand and improve network performance, a series of emerging technologies are emerging. Among them, intelligent dynamic spectrum sharing technologies such as dynamic spectrum sharing (DSS) orchestration technology have attracted much attention and are regarded as a promising solution.

[0024] DSS orchestration technology is designed to optimize the deployment of wireless access network services in a cell on a single spectrum. Through DSS orchestration, a cell can flexibly switch between multiple standards (such as 3G, 4G, and 5G) and support the simultaneous deployment of wireless access network services of multiple standards, or only provide services of a single standard. This means that according to the real-time load ratio changes of users of each standard, the cell can dynamically adjust its status to adapt to the changes in demand for services of different standards.

[0025] However, since the proportion of different-standard services between different cells may vary significantly, when the intelligent dynamic spectrum sharing technology is enabled, the cell status between adjacent cells may not be aligned, causing the network signals of the adjacent lower-capacity cells on the same frequency (such as 4G) to seriously interfere with the higher-capacity network signals (such as 5G) in this area.

[0026] Therefore, in order to solve the technical problem in the prior art that after the intelligent dynamic spectrum sharing technology is enabled, the network signals of the lower-capacity cells adjacent to the same frequency (such as 4G) cause serious interference to the higher-capacity network signals in the area (such as 5G), the present application provides a cell network interference coordination method, please refer to the following embodiments for details.

[0027] First, some professional terms involved in this application are explained:

[0028] MBSFN (Multicast Broadcast Single Frequency Network): Multicast / multicast single frequency network.

[0029] CRSMuting (Cell-specific ReferenceSignalMuting): Greatly reduce the 4G CRS signal transmission power of the specified RB.

[0030] CSI-IM: Channel State Information-Interference Measurement. It is a technology used to measure interference of wireless signals (Channel State Information-Interference Measurement, CSI-IM).

[0031] NR (New Radio): New wireless, namely 5G.

[0032] LTE (Long Term Evolution): Long Term Evolution, also known as 4G.

[0033] CRS (Cell Reference Signal): cell reference signal.

[0034] DSS (Dynamic Spectrum Sharing): dynamic spectrum sharing.

[0035] PDSCH (Physical Downlink Shared Channel): Physical downlink shared channel.

[0036] PRB (Physical Resource Block): physical resource block, which is referred to as RB in the embodiment of the present application.

[0037] The following is a detailed introduction to the cell network interference coordination method provided by this application. Figure 1 , Figure 1 1 is a flow chart of the first embodiment of the cell network interference coordination method provided by the present application. The method includes:

[0038] Step 110: Obtain the target allocation number of the target cell from the second network to the first network in a preset period; and the second network allocation number of each neighboring cell of the target cell in the preset period.

[0039] Among them, the target cell is a dynamic spectrum sharing (DSS) cell. For the convenience of description, the embodiment of the present application refers to the dynamic spectrum sharing cell as a DSS cell. The target cell includes a first network and a second network. The first network can be 3G, 4G, 5G, etc., and the second network can also be 3G, 4G, 5G, etc. It should be noted that the capacity of the first network is greater than the capacity of the second network. For example, if the first network is 5G, the second network is 4G; or if the first network is 4G, the second network is 3G.

[0040] In addition, the target cell may be divided into different areas according to the network used, for example, an area using the first network is a first network area, and an area using the second network is a second network area.

[0041] Neighboring cells may include dynamic spectrum sharing cells and / or single network cells.

[0042] For example, the target cell is DSS cell 1, the neighboring cell is DSS cell 2, single network cell 1 and single network cell 2. Or the target cell is DSS cell 1, and the neighboring cell is DSS cell 2.

[0043] In some embodiments, the preset period may be the next period, that is, the next time period after the current period. The specific time length may be set according to actual conditions. The embodiment of the present application is described by taking the preset period as the next period as an example.

[0044] In addition, the target allocation number is the number of allocations that the second network can give to the first network in the target cell in the preset period. For example, if the total number of second network configurations in the target cell in the preset period is 10 and the total number of second network configurations that the target cell expects itself in the preset period is 3, then the number of allocations that the second network can give to the first network in the target cell in the preset period is 7. That is, the target allocation number is related to the total number of second network configurations of the target cell and the total number of second network configurations that the target cell expects itself.

[0045] Likewise, the second network allocation number is calculated in the same manner as the target allocation number.

[0046] In some embodiments, the target allocation number may be sent and received by broadcasting or other wireless transmission methods. Specifically, after the target cell determines that the expected bandwidth of the next cycle of the area is greater than 0, it sends mandatory and / or non-mandatory broadcast information of the expected bandwidth to each neighboring cell; and within a preset time, receives the second network allocation number corresponding to each neighboring cell, which is determined and fed back by each neighboring cell based on the broadcast information.

[0047] The target cell can attach a "mandatory" or "non-mandatory" tag to the broadcast information sent. The "mandatory" tag requires the neighboring cells to cooperate unconditionally. It is recommended to use the "non-mandatory" tag in general situations, while the "mandatory" tag can be used in special situations. Similarly, if the neighboring cell of the target cell is a dynamic spectrum sharing cell, when the expected bandwidth of the neighboring cell in the next cycle is greater than 0, broadcast information will also be sent to other neighboring cells corresponding to the neighboring cell.

[0048] In some embodiments, the target allocation number of the target cell in the preset period can be determined by obtaining the maximum bandwidth yielded and the expected bandwidth yielded of the target cell in the preset period, as well as the expected bandwidth yielded of the neighboring cell in the preset period; based on the maximum bandwidth yielded and the expected bandwidth yielded of the target cell in the preset period, as well as the expected bandwidth yielded of the neighboring cell in the preset period.

[0049] The maximum transferred bandwidth of the target cell refers to the maximum bandwidth that the second network cell can tolerate and that is transferred to the first network user for use.

[0050] The maximum bandwidth of the target cell in the next cycle can be obtained by:

[0051] (1) Obtain the configured bandwidth of the second network of the target cell and the expected bandwidth of the second network user in the next period.

[0052] (2) Based on the difference between the configured bandwidth of the second network and the expected bandwidth of the second network user in the next period, the maximum yielded bandwidth of the target cell in the next period is obtained.

[0053] For details, please refer to Formula 1: max(configured bandwidth of the second network-expected bandwidth of the second network user in the next cycle, 0)----Formula 1.

[0054] For example, the configured bandwidth of the second network is 10M, and the expected bandwidth of the second network user in the next cycle is 6M. The difference between the configured bandwidth of the second network and the expected bandwidth of the second network user in the next cycle is 4M, and the maximum transferred bandwidth = max(4M, 0) = 4M.

[0055] Based on the obtained maximum yielded bandwidth, the expected yielded bandwidth can be further determined. For details, refer to the following process:

[0056] 1) Obtaining the expected bandwidth of the first network user in the next period and the first network exclusive bandwidth.

[0057] 2) Determine the difference between the expected bandwidth of the first network user in the next period and the exclusive bandwidth of the first network.

[0058] 3) Based on the difference between the expected bandwidth of the first network user in the next cycle and the exclusive bandwidth of the first network, and the maximum yielded bandwidth of the target cell in the next cycle, the expected yielded bandwidth of the target cell in the next cycle is obtained.

[0059] For process 1)-3), you can refer to the following formula 2:

[0060] min(max(expected bandwidth of the first network user in the next cycle - exclusive bandwidth of the first network, 0), max(configured bandwidth of the second network - expected bandwidth of the second network user in the next cycle, 0))----Formula 2.

[0061] Wherein, max(configured bandwidth of the second network-expected bandwidth of the second network user in the next cycle, 0) is the calculation formula of the maximum yielded bandwidth.

[0062] For example, the expected bandwidth of the first network user in the next cycle is 7M, the exclusive bandwidth of the first network is 3M, and the maximum yielded bandwidth is 4M calculated above, then the expected yielded bandwidth = min(max(7M-5M,0),4M) = 2M.

[0063] In some embodiments, after obtaining the transferred bandwidth, the corresponding bandwidth needs to be converted into the number of subframes corresponding to the specific preset service and the number of target resources corresponding to the preset reference signal. The specific conversion process can be referred to as follows:

[0064] First: the interference coordination system only supports preset service configuration, then the maximum yielded bandwidth and expected yielded bandwidth of the target cell in the next period are converted into the maximum number of subframes and expected number of subframes corresponding to the preset service of the target cell, respectively; and the expected yielded bandwidth of the neighboring cell in the next period is converted into the expected number of subframes corresponding to the preset service of the neighboring cell; further, based on the maximum number of subframes and expected number of subframes corresponding to the preset service of the target cell, and the expected number of subframes corresponding to the preset service of the neighboring cell, the target allocated subframe number corresponding to the preset service of the target cell is determined.

[0065] Among them, since the MBSFN subframe is a special subframe used for multicast / broadcast single frequency network transmission, it can eliminate the interference caused by the CRS of the adjacent 4G on the same frequency to the 5G PDSCH in this area, while retaining the ability of 4G and 5G to dynamically share the same spectrum resources. Therefore, the preset service configuration can be a multicast / groupcast single frequency network (Multicast Broadcast Single Frequency Network, MBSFN) configuration. For the convenience of presentation, the embodiment of the present application refers to it as MBSFN configuration.

[0066] In addition, MBSFN is usually configured as an integer number of subframes in the entire spectrum, so the above bandwidth can be converted into the sum of the number of MBSFN subframes and then rounded down.

[0067] For example, 10M bandwidth can be roughly converted into 5 MBSFN subframes.

[0068] In some embodiments, the determination of the target number of allocated subframes for preset services may specifically be: selecting the larger one from the expected number of subframes of the target cell in the next cycle and the expected number of subframes of the neighboring cell in the next cycle as the target expected number of subframes; selecting the smaller one from the target expected number of subframes and the maximum number of subframes of the target cell in the next cycle as the target number of allocated subframes corresponding to the preset service of the target cell in the next cycle.

[0069] The specific calculation of the target allocated subframe number can refer to Formula 3:

[0070] max(min(maximum number of subframes of the target cell in the next cycle, max(expected number of subframes of the target cell in the next cycle, expected number of subframes of the neighboring cell in the next cycle)))------Formula 3.

[0071] For example, the expected number of subframes of the target cell in the next cycle is 2, the expected number of subframes of the neighboring cell in the next cycle is 3, and the maximum number of subframes of the target cell is 4. Then the target number of allocated subframes = max(min(maximum number of subframes of the target cell in the next cycle, max(expected number of subframes of the target cell in the next cycle, max(expected number of subframes of the neighboring cell in the next cycle)))) = max(min(4, max(2, max(3)))) = 3 MBSFN subframes.

[0072] Second: if the interference coordination system only supports the preset reference signal configuration, the maximum yielded bandwidth and expected yielded bandwidth of the target cell in the next period are respectively converted into the maximum number of resources and the expected number of resources corresponding to the preset reference signal of the target cell; and the expected yielded bandwidth of the neighboring cell in the next period is converted into the expected number of resources corresponding to the preset reference signal of the neighboring cell; further, based on the maximum number of resources and the expected number of resources corresponding to the preset reference signal of the target cell, and the expected number of resources corresponding to the preset reference signal of the neighboring cell, the target number of resources of the preset reference signal of the target cell is determined.

[0073] Since the CRSMuting technology can eliminate signal interference, the preset reference signal can be a cell reference signal, that is, a CRS signal. The preset reference signal configuration can be a CRSMuting configuration.

[0074] The bandwidth may be converted into the number of resources of the preset reference signal in a ratio of 3, 4 or 5 times, with a conversion ratio of 5 times being preferred.

[0075] For example, if the maximum bandwidth of the target cell in the next cycle is 7M, the maximum number of resources corresponding to the preset reference signal of the target cell is 35M; if the expected bandwidth of the target cell in the next cycle is 3M, the expected number of resources corresponding to the preset reference signal of the target cell is 15M.

[0076] Likewise, the expected number of resources corresponding to the preset reference signal of the neighboring cell may be converted in the same ratio as that of the target cell.

[0077] The target number of resources of the preset reference signal of the target cell in the next period can be referred to Formula 4:

[0078] max(min(maximum number of resources corresponding to the preset reference signal of the target cell in the next period, max(expected number of resources of the target cell in the next period, max(expected number of resources of the neighboring cell in the next period))))------Formula 4.

[0079] For example, the expected number of resources of the target cell in the next cycle is 15, the expected number of resources of the neighboring cell in the next cycle is 0, and the maximum number of resources of the target cell is 40, then the target number of resources = max(min(40, max(15, max(0)))) = 15 RBs.

[0080] Third: the interference coordination system supports both preset service configuration and preset reference signal configuration. The maximum yielded bandwidth and expected yielded bandwidth of the target cell in the next period are converted into the number of subframes corresponding to the preset service and then rounded down to obtain the remaining maximum yielded bandwidth and expected yielded bandwidth; the remaining maximum yielded bandwidth and expected yielded bandwidth are then converted into the number of resources corresponding to the preset reference signal, wherein, in the same network, the allocation methods of the preset service configuration and the preset reference signal configuration are integrated.

[0081] For example, the target cell's expected bandwidth transfer in the next cycle is 14M. According to the calculation that 10M bandwidth can be roughly converted into 5 MBSFN subframes, it can be converted into 5 MBSFN subframes. The remaining expected bandwidth transfer is 4M. The remaining expected bandwidth transfer 4M can be converted into the number of resources corresponding to the preset reference signal (such as 20RB).

[0082] This embodiment can ensure that sufficient bandwidth is allocated to the preset service in limited wireless resources by first converting the maximum transfer bandwidth and the expected transfer bandwidth of the target cell into the number of subframes corresponding to the preset service, so as to ensure that the preset service is allocated and processed preferentially, thereby ensuring its service quality. Then, the remaining maximum transfer bandwidth and the expected transfer bandwidth are converted into the number of resources corresponding to the preset reference signal, so as to ensure the stability and accuracy of the reference signal, thereby ensuring the performance of the entire network, and also further improving the utilization of resources.

[0083] In addition, since the allocation methods of preset service configuration and preset reference signal configuration are integrated in the same network, for example, the MBSFN configuration and CRSMuting configuration between adjacent co-frequency cells are aligned, the interference caused by the preset reference signal of the neighboring cell can be completely eliminated.

[0084] Step 120: If the second network allocation number of any neighboring cell among the neighboring cells is less than the target allocation number, the neighboring cell is regarded as an interference cell.

[0085] When the second network allocation number of the neighboring cell is less than the target allocation number, it means that the neighboring cell has relatively few wireless resources allocated, which may lead to insufficient resource utilization, thus causing strong interference to the target cell. For example, the interfering cell may use a higher transmission power due to limited resources, resulting in increased interference; or improper resource allocation may lead to low transmission efficiency, affecting network performance.

[0086] By treating neighboring cells as interfering cells, corresponding interference coordination and management measures can be taken to reduce the impact of interfering cells on target cells. For example, the resource allocation strategy of the target cell can be adjusted to avoid or reduce the interference of the interfering cell, thereby improving the performance of the target cell and ensuring the communication quality of users in the target cell and the overall performance of the network.

[0087] Step 130: Determine the effective resources in the overlapping area between the target cell and the interference cell.

[0088] Among them, the interference resources of the interfering cell to the target cell can be obtained based on the second network allocation number of the interfering cell and the total number of second network configurations of the interfering cell; the interference resources are screened out from the configured bandwidth of the second network of the target cell to obtain the effective resources in the overlapping area of ​​the target cell and the interfering cell.

[0089] Step 140: Allocate effective resources to the first network user in the target cell in the overlapping area with the interference cell.

[0090] For steps 130-140, for example, the second network allocation number of the interfering cell is 4M, the total number of second network configurations of the interfering cell is 20M, and the total number of second network configurations of the target cell is 22M. The interference resources of the interfering cell to the target cell are 16M, and the effective resources in the overlapping area between the target cell and the interfering cell are 22M-16M=6M.

[0091] Then, required resources may be selected from the effective resources 6M for allocation to the first network user in the target cell in the overlapping area with the interfering cell.

[0092] This embodiment can clearly understand the spectrum allocation of each cell by obtaining the target allocation number of the second network to the first network in the target cell, as well as the second network allocation number of the neighboring cell. When it is identified that the second network allocation number of any neighboring cell is less than the target allocation number, the corresponding neighboring cell is marked as an interference cell, and the area of ​​the target cell affected by strong interference is specifically identified. By further determining the effective resources in the overlapping area of ​​the target cell and the interference cell, when allocating resources to the first network user in the target cell, for the first network user in the strongly interfered area, i.e., the overlapping area, it can be selected from the effective resources for allocation. That is, it avoids the resources affected by the interfered cell, thereby effectively improving the serious interference problem caused by the difference in service ratios between cells and the misalignment of the state after the intelligent dynamic spectrum sharing technology is enabled in the related technology.

[0093] In other embodiments, since the area on the target cell far away from the interfering cell (i.e., the area not overlapping with the interfering cell) is less affected by the interfering cell or even not affected at all, the interference resources can be allocated to the area far away from the interfering cell so that all allocated resources can be used as much as possible, thereby improving the utilization rate of resources on the target cell.

[0094] Specifically, interference resources and / or effective resources may be allocated to the first network user in the area of ​​the target cell that does not overlap with the interference cell.

[0095] For example, required resources may be selected from the effective resources 6M and / or the interference resources 16M for allocation to the first network user in the target cell that is not overlapped with the interference cell.

[0096] This embodiment identifies the interfering cell and distinguishes the areas on the target dynamic spectrum sharing cell that overlap and do not overlap with the interfering cell, that is, the interfered area and the non-interfered area, and selectively allocates different resources to different areas, thereby flexibly allocating resources and improving the utilization rate of resources on the target cell.

[0097] In combination with the above embodiments, this application takes the application scenario of 4G and 5G spectrum sharing as an example for explanation. Figure 2-Figure 6 .in, Figure 2 It is a flowchart of 4G and 5G spectrum sharing system; Figure 3 and Figure 4 This is a diagram of cell distribution and mutual coverage in scenario one. Figure 5 and Figure 6 This is a diagram of cell distribution and mutual coverage in scenario 2.

[0098] Scenario 1: Assume that the interference coordination system only supports CRSMuting configuration but does not allow MBSFN configuration.

[0099] S1: The dynamic spectrum sharing cell obtains its neighboring cell list information based on the statistical data reported by the user.

[0100] like Figure 3 As shown, the dynamic spectrum sharing cells include 15MDSS cell 1 and 15MDSS cell 2, that is, 15MDSS cell 1 and 15MDSS cell 2 can be used as target cells.

[0101] Among them, the neighboring cell list of 4GDSS cell 1 (belonging to 15MDSS cell 1) is: 4GDSS cell 2 (belonging to 15MDSS cell 2) and 10M4G cell 2.

[0102] The neighboring cell list of 4GDSS cell 2 (belonging to 15MDSS cell 2) is: 4GDSS cell 1 (belonging to 15MDSS cell 1), 10M4G cell 1, and 10M4G cell 2.

[0103] Among them, the neighboring cells in the neighboring cell list refer to high-interference co-frequency neighboring cells.

[0104] S2: All cells predict their own 4G and 5G loads respectively.

[0105] like Figure 3 As shown, 15MDSS cell 1 and 15MDSS cell 2 are dynamic spectrum sharing cells, 15MDSS cell 1 includes 4GDSS cell 1 and 5GDSS cell 1, 15MDSS cell 2 includes 4GDSS cell 2 and 5GDSS cell 2, and 10M4G cell 1 and 10M4G cell 2 are single network cells.

[0106] Assume that the bandwidth requirements of 4G and 5G users in all cells in the next cycle are as follows: Figure 3 shown.

[0107] Among them, the bandwidth requirement is the expected bandwidth. The requirement for 4GDSS cell 1 is 3M bandwidth; the requirement for 5GDSS cell 1 is 2M bandwidth; the requirement for 4GDSS cell 2 is 4M bandwidth; the requirement for 5GDSS cell 2 is 8M bandwidth; the requirement for 10M4G cell 1 is 4M bandwidth; and the requirement for 10M4G cell 2 is 2M bandwidth.

[0108] S3: Calculate the maximum bandwidth and expected bandwidth to be transferred by the 4G cell in the next cycle, and broadcast them to its neighboring cells through the Xn port.

[0109] Among them, Figure 3 As shown, the 4G cells include 4GDSS cell 1, 4GDSS cell 2, 10M4G cell 1 and 10M4G cell 2.

[0110] The maximum bandwidth and expected bandwidth of the 4G cell in the next cycle can be further converted into the corresponding number of CRSMuting resources and then broadcast to its neighboring cells through the Xn port.

[0111] The maximum transferred bandwidth refers to the maximum bandwidth that a 4G cell can tolerate and transfer to 5GDSS users.

[0112] like Figure 3 and Figure 4 As shown in the figure, 10MLTE means that the 4G configured bandwidth is 10M, 15M5G means that the 5G configured bandwidth is 15M, NR demand means that the expected bandwidth of 5G users in the next cycle is 2M, and LTE demand means the expected bandwidth of 4G users in the next cycle.

[0113] Based on the above maximum yield bandwidth calculation formula 1: max(4G configured bandwidth - 4G user's expected bandwidth for the next cycle, 0), the maximum yield bandwidth of each cell in the next cycle can be calculated as follows:

[0114] Therefore, the maximum bandwidth to be transferred by 4GDSS cell 1 in 15MDSS cell 1 in the next cycle is max(10-3,0)=7M bandwidth, which is about 35RB.

[0115] The maximum bandwidth granted by 4GDSS cell 2 in 15MDSS cell 2 in the next cycle is max(10-4,0)=6M bandwidth, which is about 30RB.

[0116] The maximum bandwidth of 10M4G cell 1 in the next cycle is max(10-4,0)=6M bandwidth, which is about 30RB.

[0117] The maximum bandwidth granted by 10M4G cell 2 in the next cycle is max(10-2,0)=8M bandwidth, which is about 40RB.

[0118] In the 4G and 5G dynamic spectrum sharing scenario, the expected transfer bandwidth refers to the bandwidth that 5GDSS expects to obtain from 4G or 4GDSS cells. Since the 4G cells of a single network (such as 10M4G cell 1 and 10M4G cell 2) do not include 5G, only the dynamic spectrum sharing cells (such as 15MDSS cell 1 and 15MDSS cell 2) need to be calculated when calculating the expected transfer bandwidth.

[0119] Specifically, based on the maximum yielded bandwidth corresponding to the 4GDSS cell in the dynamic spectrum sharing cell in the next cycle calculated above, and the calculation formula for the expected yielded bandwidth in the next cycle min(max(expected bandwidth of 5G users in the next cycle - 5G exclusive bandwidth, 0), max(4G configured bandwidth - expected bandwidth of 4G users in the next cycle, 0)), the expected yielded bandwidth of the 4GDSS cell in the dynamic spectrum sharing cell in the next cycle can be calculated as follows.

[0120] like Figure 3 and Figure 4 As shown, the 5G configuration bandwidth of 5MDSS cell 1 and 5MDSS cell 2 is 15M, and the 4G configuration bandwidth is 10M. Therefore, the 5G exclusive bandwidth of 5MDSS cell 1 and 5MDSS cell 2 is 5G.

[0121] Then the expected transfer bandwidth expected by 4GDSS cell 1 (belonging to 15MDSS cell 1) in the next period = min(max(2-5,0), max(10-3,0)) = 0M bandwidth, and the corresponding expected CRSMuting resource number is also 0.

[0122] The expected bandwidth to be transferred in the next period of 4GDSS cell 2 (belonging to 15MDSS cell 2) = min(max(8-5,0), max(10-4,0)) = 3M bandwidth, and the expected number of CRSMuting resources is about 15RB.

[0123] Since the expected CRSMuting resource number of 4GDSS cell 1 in the next cycle is 0, it does not need to broadcast its demand in this cycle. The expected CRSMuting resource number of 4GDSS cell 2 (belonging to 15MDSS cell 2) in the next cycle is 15RB, which is greater than 0, so it needs to send a broadcast message to all its neighboring cells: 4GDSS cell 1 (belonging to 15MDSS cell 1), 10M4G cell 1 and 10M4G cell 2, such as "expected configuration of 15RB, not mandatory".

[0124] S4: The 4G or 4GDSS cell receives the broadcast message of the neighboring cell within the specified time window, and then decides and executes the configuration of the area in the next cycle.

[0125] The configuration of the next cycle is the CRSMuting configuration, which is to calculate the target number of resources for the preset reference signal. For details, please refer to Formula 5:

[0126] max(min(the maximum number of CRSMuting resources that this area can tolerate in the next cycle, max(the expected number of CRSMuting resources in this area in the next cycle, max(the expected number of CRSMuting resources received from the neighboring area "non-mandatory" in the next cycle))), max(the expected number of CRSMuting resources received from the neighboring area "mandatory" in the next cycle))---Formula 5.

[0127] The tolerable maximum number of CRSMuting resources is the maximum number of resources corresponding to the preset reference signal mentioned above, and the expected number of CRSMuting resources is the expected number of resources of the preset reference signal.

[0128] From the results calculated in the above steps, it can be seen that the expected CRSMuting resource number of 4GDSS cell 1 in the next cycle is 0, and the expected CRSMuting resource number of 4GDSS cell 2 (belonging to 15MDSS cell 2) in the next cycle is 15RB.

[0129] Among them, if the target number of resources of CRSMuting of 4GDSS cell 1 (belonging to 15MDSS cell 1) is calculated, the current area is 4GDSS cell 1, and the neighboring areas are 4GDSS cell 2 (belonging to 15MDSS cell 2) and 10M4G cell 2.

[0130] like Figure 4 As shown, the LTE demand (i.e., the 4G expected bandwidth in the next cycle) of 4GDSS cell 1 (belonging to 15MDSS cell 1) is 3M, and the 4G configured bandwidth is 10M. The maximum yielded bandwidth of 4GDSS cell 1 in the next cycle is 7M, which is approximately 35RB. Then the target number of resources of CRSMuting of 4GDSS cell 1 (belonging to 15MDSS cell 1) = max(min(35, max(0, max(15))), max(0)) = 15RB.

[0131] If the target number of resources for CRSMuting of 4GDSS cell 2 (belonging to 15MDSS cell 2) is calculated, the current area is 4GDSS cell 2, and the neighboring areas are 4GDSS cell 1 (belonging to 15MDSS cell 1), 10M4G cell 1, and 10M4G cell 2.

[0132] like Figure 4As shown, the LTE demand (i.e., the 4G expected bandwidth for the next cycle) of 4GDSS cell 2 (belonging to 15MDSS cell 2) is 4M, and the 4G configured bandwidth is 10M, so the maximum bandwidth to be transferred for the next cycle of 4GDSS cell 2 is 6M, which is about 30RB. Then the target resource number of CRSMuting of 4GDSS cell 2 (belonging to 15MDSS cell 2) = max(min(30, max(15, max(0))), max(0)) = 15RB.

[0133] Similarly, it can be obtained that the CRSMuting target resource number of 10M4G cell 1 = max(min(30, max(0, max(15))), max(0)) = 15 RB.

[0134] The CRSMuting target resource number of 10M4G cell 2 = max(min(40, max(0, max(15))), max(0)) = 15 RB.

[0135] The calculated target number of resources for CRSMuting is the target number of resources for the preset reference signal.

[0136] After the calculation is completed, the above-mentioned cell performs the CRSMuting operation according to the above calculation results in the next cycle. It should be noted that the 15 RBs required for CRSMuting here are the RBs close to the 5G exclusive spectrum, and are aligned across the entire network.

[0137] S5: 5GDSS or 5G cells implement automated interference avoidance measures.

[0138] like Figure 4 As shown, all 4G and 4GDSS cells are configured with CRSMuting of 15 RBs, that is, the target allocation number of the second network to the first network in the next cycle of the target cell 15MDSS cell 2 is 15RBs, and the second network allocation number of the neighboring cells of 4GDSS cell 2: 15MDSS cell 1, 10M4G cell 1 and 10M4G cell 2 in the next cycle is also 15RBs. Therefore, all 5G users on the target cell 15MDSS cell 2 will not find strong interference on these 15 RBs with a high probability, and the 5G users on 15MDSS cell 2 can enjoy a clean spectrum of approximately 8M bandwidth, so that their needs are fully met.

[0139] The target cell in the above scenario 1 is not interfered by neighboring cells, so 5G users at all locations on the target cell 15MDSS cell 2 can enjoy about 8M bandwidth clean spectrum. When the calculated second network allocation number of any neighboring cell is less than the target allocation number, it is necessary to identify the interfering cell and distinguish the location of the 5G users on the target cell. For details, please refer to scenario 2.

[0140] Scenario 2: Assume that the interference coordination system only supports MBSFN configuration and does not allow CRSMuting configuration.

[0141] S1: The dynamic spectrum sharing cell obtains its neighboring cell list information based on the statistical data reported by the user.

[0142] like Figure 5 As shown, the neighboring cell list of 4GDSS cell 1 (belonging to 20MDSS cell 1) is: 4GDSS cell 2 (belonging to 20MDSS cell 2), that is, 20MDSS cell 1 and 20MDSS cell 2 can be used as target cells.

[0143] The neighboring cell list of 4GDSS cell 2 (belonging to 20MDSS cell 2) is: 4GDSS cell 1 (belonging to 20MDSS cell 1), 20M4G cell 1.

[0144] Among them, the neighboring cells in the neighboring cell list refer to high-interference co-frequency neighboring cells.

[0145] S2: All cells predict their own 4G and 5G loads respectively.

[0146] Assume that the bandwidth requirements of 4G and 5G users in all cells in the next cycle are as follows: Figure 6 As shown:

[0147] Then 4GDSS cell 1 (belonging to 20MDSS cell 1): 10M bandwidth.

[0148] 5GDSS cell 1 (belonging to 20MDSS cell 1): 6M bandwidth.

[0149] 4GDSS cell 2 (belonging to 20MDSS cell 2): ​​12M bandwidth.

[0150] 5GDSS cell 2 (belonging to 20MDSS cell 2): ​​4M bandwidth.

[0151] 20M4G cell 1: 18M bandwidth.

[0152] S3: Calculate the maximum bandwidth and expected bandwidth to be transferred by the 4G cell in the next cycle, and broadcast them to its neighboring cells through the Xn port.

[0153] Among them, Figure 5 As shown, the 4G cells include 4GDSS cell 1, 4GDSS cell 2, and 20M4G cell 1.

[0154] The maximum ceded bandwidth and expected ceded bandwidth of the 4G cell in the next cycle can be further converted into the corresponding number of MBSFN subframes and then broadcast to its neighboring cells through the Xn port.

[0155] Based on the calculation formula 1 of the maximum yielded bandwidth: max(4G configured bandwidth - expected bandwidth of 4G users in the next cycle, 0), the maximum yielded bandwidth of each cell in the next cycle can be calculated as follows:

[0156] The maximum bandwidth granted in the next cycle of 4GDSS cell 1 (belonging to 20MDSS cell 1) = max(20-10,0) = 10M bandwidth, which is approximately 5 MBSFN subframes.

[0157] The expected bandwidth to be transferred in the next cycle of 4GDSS cell 1 (belonging to 20MDSS cell 1) = min(max(6-0,0),max(20-10,0)) = 6M bandwidth, which is about 3 MBSFN subframes.

[0158] The maximum bandwidth granted in the next cycle of 4GDSS cell 2 (belonging to 20MDSS cell 2) = max(20-12,0) = 8M bandwidth, which is approximately 4 MBSFN subframes.

[0159] The expected bandwidth to be transferred in the next cycle of 4GDSS cell 2 (belonging to 20MDSS cell 2) = min(max(4-0,0),max(20-12,0)) = 4M bandwidth, which is approximately 2 MBSFN subframes.

[0160] The expected bandwidth to be transferred in the next cycle of 20M4G cell 1 = max(20-18,0) = 2M bandwidth, which is approximately 1 MBSFN subframe.

[0161] Since the expected number of MBSFN subframes for the next cycle of 4GDSS cell 1 is 3 subframes, which is greater than 0, it is necessary to send a broadcast message to all its high-interference co-frequency neighboring cells 4GDSS cell 2 (belonging to 20MDSS cell 2), such as "expected to configure 3 MBSFN subframes, not mandatory." The expected number of MBSFN subframes for the next cycle of 4GDSS cell 2 is 2 subframes, which is greater than 0, so it is necessary to send a broadcast message to all its high-interference co-frequency neighboring cells 4GDSS cell 1 (belonging to 20MDSS cell 1) and 20M4G cell 1, such as "expected to configure 2 MBSFN subframes, not mandatory."

[0162] S4: The 4G or 4GDSS cell receives the broadcast message of the neighboring cell within the specified time window, and then decides and executes the configuration of the area in the next cycle.

[0163] The configuration of the next cycle is the MBSFN configuration, that is, the target number of allocated subframes for calculating the MBSFN service. For details, please refer to Formula 6:

[0164] max(min(maximum number of MBSFN subframes in the next cycle of this area, max(expected number of MBSFN subframes in the next cycle of this area, max(expected number of MBSFN subframes in the next cycle received from the neighboring area "non-mandatory"))), max(expected number of MBSFN subframes in the next cycle received from the neighboring area "mandatory"))----Formula 6.

[0165] Combination Figure 6 , it can be obtained that the number of MBSFN target allocated subframes of 4GDSS cell 1 (belonging to 20MDSS cell 1) = max(min(5, max(3, max(2))), max(0)) = 3 MBSFN subframes.

[0166] 4GDSS cell 2 (belonging to 20MDSS cell 2) MBSFN target allocated subframe number = max(min(4, max(2, max(3))), max(0)) = 3 MBSFN subframes.

[0167] The target number of MBSFN allocated subframes for 20M4G cell 1 = max(min(1, max(0, max(2))), max(0)) = 1 MBSFN subframe.

[0168] After the calculation is completed, the above cell performs the MBSFN configuration operation according to the above calculation result in the next period.

[0169] Among them, the MBSFN configuration order can be required to be 1, 3, 6, 8, 2, 7 (FDD does not allow the configuration of subframes 0, 4, 5, 9, and TDD does not allow the configuration of subframes 0, 1, 5, 6. The FDD system is taken as an example here). Therefore, the two 4GDSS cells configure subframes 1, 3, and 6 as MBSFN subframes, and the 20M4G cell configures subframe 1 as an MBSFN subframe.

[0170] Step 5: 5GDSS or 5G cell implements automated interference avoidance measures.

[0171] Among them, the 5GDSS or 5G cell configures CSI-IM of 4 consecutive REs on a symbol where the 4G CRS of the 4G / 5G shared spectrum is located, so that the 5G user can periodically report the interference measurement results including the subband (the subband refers to the spectrum range covered by the CSI-IM of 4 consecutive REs configured by the 5GDSS or 5G cell on a symbol where the 4G CRS of the 4G / 5G shared spectrum is located.), and the 5GDSS or 5G cell decides how the user uses the shared spectrum RB resources based on the interference measurement results reported by the 5G user and the frequency selection strategy. Among them, because the above-configured CSI-IM can measure the 4G CRS interference and 4G and 5G PDSCH interference of all co-frequency neighboring cells, if there is still strong interference on some RBs where the 5G user is located, these RBs can be avoided when configuring RB resources for the 5G user, thereby eliminating interference.

[0172] For example, 5GDSS cells 1 and 2 can both configure CSIIM of 4 consecutive REs on symbol 11 of the 10M4G and 5G shared spectrum for interference measurement, where LTE CRS is usually distributed on symbols 0, 4, 7, and 11 (symbols not marked).

[0173] like Figure 5 As shown, 5GDSS cell 1 (belonging to 20M DSS cell 1) and its co-frequency neighboring cells are configured with MBSFN subframes in the 20M full bandwidth of subframes 1, 3, and 6. Therefore, 5G users at all locations on 5GDSS cell 1 will most likely not find strong interference in subframes 1, 3, and 6, and will only find strong interference in other subframes. Therefore, these 5G users can all enjoy a clean spectrum of approximately 6M bandwidth, which fully meets their needs.

[0174] However, the 5GDSS cell 2 (belonging to 20M DSS cell 2) and its right co-frequency neighbor 20M4G cell 1 only configure MBSFN subframes in subframe 1. Therefore, the 5GDSS cell 2 overlaps with the 20M4G cell 1 in the coverage area (e.g. Figure 6 5G users (in the crying face area) will not find strong interference only in subframe 1 with a high probability, but will find strong interference in the other 9 subframes, so these 5G users can only enjoy 2M bandwidth clean spectrum.

[0175] However, 5GDSS cell 2 (belonging to 20M DSS cell 2) is not in the overlapping coverage area with 20M 4G cell 1 (such as Figure 6 5G users in the smiling face area of ​​5GDSS cell 2) are still in subframes 1, 3, and 6 and will most likely not find strong interference. Therefore, these 5G users can enjoy a clean spectrum of approximately 6M bandwidth, fully meeting their needs.

[0176] That is, through the above calculation results, it can be seen that the MBSFN target allocated subframe number 1 of 20M4G cell 1 is less than the MBSFN target allocated subframe number 3 of 4GDSS cell 2 (belonging to 20MDSS cell 2). Therefore, it can be considered that 20M4G cell 1 is an interfering cell of 4GDSS cell 2.

[0177] from Figure 6 It can be seen that the 4G (i.e., the total number of second network configurations) of 20M4G cell 1 is 20M, and its own 4G demand is 18M. Then, the 4G allocation number of 20M4G cell 1 in the next cycle is 2M, and the interference resource caused by 20M4G cell 1 to 4GDSS cell 2 is 18M. Therefore, the overlapping coverage area of ​​20M4G cell 1 and 4GDSS cell 2 can be determined (such as Figure 6 The effective resource of the crying face area in the 5GDSS cell 2 is 2M. Figure 6 5G users in the crying face area can only enjoy 2M bandwidth clean spectrum, that is, 2M bandwidth clean spectrum (i.e. effective resources) is allocated to 5G users (i.e. first network users) in the 5GDSS cell 2 (i.e. target cell) overlapping area with the 20M4G cell 1 (i.e. interference cell).

[0178] For 20M DSS cell 2, which is not in the overlapping coverage area with 20M 4G cell 1 (such as Figure 6 5G users in the smiling face area of ​​5GDSS cell 2) can choose to allocate from the interference resources 18M or the effective resources 2M.

[0179] See also Figure 7 , Figure 7 It is a structural diagram of an embodiment of an electronic device provided in the present application, wherein the electronic device 80 includes a memory 81 and a processor 82, wherein the memory 81 stores a computer program; the processor 82 is used to implement the cell network interference coordination method provided by any one of the aforementioned method embodiments when executing the computer program.

[0180] See also Figure 8 , Figure 8 1 is a schematic diagram of a structure of an embodiment of a computer-readable storage medium provided by the present application. The computer-readable storage medium 90 is used to store a computer program 91. When the computer program 91 is executed by a processor, it is used to implement the following method steps:

[0181] Obtain a target allocation number of the second sub-area second network to the first sub-area first network of the target spectrum sharing cell target cell in the preset period in the preset period; and a second network allocation number of each adjacent cell neighboring cell of the target spectrum sharing cell target cell in the preset period;

[0182] If the second network allocation number of any adjacent cell neighboring area among the adjacent cell neighboring areas is less than the target allocation number, the adjacent cell neighboring area is regarded as an interference cell;

[0183] Determine the effective resources of the target spectrum sharing cell and the overlapping area of ​​the interfering cell;

[0184] Effective resources are allocated to a first network user in a target spectrum sharing cell and in an area overlapping with an interference cell.

[0185] It can be understood that when the computer program 91 is executed by the processor, it is also used to implement the technical solution of any embodiment of the present application.

[0186] In the several embodiments provided in this application, it should be understood that the disclosed methods and devices can be implemented in other ways. For example, the device implementation described above is only illustrative, for example, the division of modules or units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0187] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0188] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0189] If the integrated units in the above other embodiments are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of each implementation method of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program code.

[0190] The above are only implementation methods of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A cell network interference coordination method, It is characterized in that The target cell includes a first network and a second network, and the method includes: Obtaining a target allocation number of the target cell from the second network to the first network in a preset period; and a second network allocation number of each neighboring area of ​​the target cell in the preset period; if the second network allocation number of any neighboring area among the neighboring areas is less than the target allocation number, treating the neighboring area as an interfering cell; Determine effective resources in an overlapping area between the target cell and the interfering cell; The effective resources are allocated to a first network user in the target cell in an overlapping area with the interfering cell.

2. The method according to claim 1, It is characterized in that The acquiring the target allocation number of the target cell by the second network to the first network in the preset period includes: Acquire the maximum yielded bandwidth and expected yielded bandwidth of the target cell in the preset period, and the expected yielded bandwidth of the neighboring cell in the preset period; The target allocation number of the target cell in the preset period is determined based on the maximum yielded bandwidth and the expected yielded bandwidth of the target cell in the preset period and the expected yielded bandwidth of the neighboring cell in the preset period.

3. The method according to claim 2, It is characterized in that The interference coordination system only supports preset service configurations, and the determining the target allocation number of the target cell in the preset period based on the maximum yield bandwidth and the expected yield bandwidth of the target cell in the preset period, and the expected yield bandwidth of the neighboring cell in the preset period, includes: Converting the maximum yielded bandwidth and the expected yielded bandwidth of the target cell in the preset period into the maximum number of subframes and the expected number of subframes corresponding to the preset service of the target cell respectively; and converting the expected yielded bandwidth of the neighboring cell in the preset period into the expected number of subframes corresponding to the preset service of the neighboring cell; Based on the maximum number of subframes and the expected number of subframes corresponding to the preset service of the target cell in the preset period, and the expected number of subframes corresponding to the preset service of the neighboring cell in the preset period, the target allocated number of subframes corresponding to the preset service of the target cell in the preset period is determined.

4. The method according to claim 2, It is characterized in that The interference coordination system only supports preset reference signal configuration, and the determining the target allocation number of the target cell in the preset period based on the maximum yield bandwidth and the expected yield bandwidth of the target cell in the preset period, and the expected yield bandwidth of the neighboring cell in the preset period, includes: Converting the maximum yielded bandwidth and the expected yielded bandwidth of the target cell in the preset period into the maximum number of resources and the expected number of resources corresponding to the preset reference signal of the target cell respectively; and converting the expected yielded bandwidth of the neighboring cell in the preset period into the expected number of resources corresponding to the preset reference signal of the neighboring cell; The target number of resources for the preset reference signal of the target cell is determined based on the maximum number of resources and the expected number of resources corresponding to the preset reference signal of the target cell and the expected number of resources corresponding to the preset reference signal of the neighboring cell.

5. The method according to claim 2, It is characterized in that The interference coordination system supports both preset service configuration and preset reference signal configuration, and the method includes: Convert the maximum yield bandwidth and the expected yield bandwidth of the target cell in the preset period into the number of subframes corresponding to the preset service and then round down to obtain the remaining maximum yield bandwidth and the expected yield bandwidth; The remaining maximum yielded bandwidth and the expected yielded bandwidth are converted into the number of resources corresponding to the preset reference signal, wherein, in the same network, the allocation method of the preset service configuration and the preset reference signal configuration are integrated.

6. The method according to claim 3, It is characterized in that The determining, based on the maximum number of subframes and the expected number of subframes corresponding to the preset service of the target cell in the preset period, and the expected number of subframes corresponding to the preset service of the neighboring cell in the preset period, a target number of allocated subframes corresponding to the preset service of the target cell in the preset period, includes: Selecting a larger one from the expected number of subframes of the target cell in a preset period and the expected number of subframes of the neighboring cell in a preset period as the target expected number of subframes; A smaller one is selected from the target expected subframe number and the maximum subframe number of the target cell in a preset period as the target allocated subframe number corresponding to the preset service of the target cell in the preset period.

7. The method according to claim 2, It is characterized in that The obtaining of the maximum yielded bandwidth of the target cell in the preset period includes: Acquire the configured bandwidth of the second network and the expected bandwidth of the second network user in the preset period; The maximum yielded bandwidth of the target cell in the preset period is obtained based on the difference between the configured bandwidth of the second network and the expected bandwidth of the second network user in the preset period.

8. The method according to claim 2, It is characterized in that Acquiring the expected yielded bandwidth of the target cell in the preset period includes: Obtaining the expected bandwidth of the first network user in the preset period and the first network exclusive bandwidth; Determine the difference between the expected bandwidth of the first network user in the preset period and the exclusive bandwidth of the first network; Based on the difference between the expected bandwidth of the first network user in the preset period and the exclusive bandwidth of the first network, and the maximum yielded bandwidth of the target cell in the preset period, the expected yielded bandwidth of the target cell in the preset period is obtained.

9. The method according to claim 1, It is characterized in that The determining effective resources in the overlapping area between the target cell and the interfering cell includes: Obtaining interference resources of the interfering cell to the target cell based on the second network allocation number of the interfering cell and the total number of second network configurations of the interfering cell; The interference resources are screened out from the configured bandwidth of the second network of the target cell to obtain effective resources in the target cell in an overlapping area with the interference cell.

10. The method according to claim 8, It is characterized in that The method further comprises: The interference resources and / or the effective resources are allocated to the first network users in the target cell in an area that does not overlap with the interference cell.

11. The method according to claim 1, It is characterized in that The obtaining the second network allocation number in each neighboring cell of the target cell includes: If the expected bandwidth of the target cell in the preset period is greater than 0, mandatory and / or non-mandatory broadcast information of the expected bandwidth is sent to each neighboring cell of the target cell; Within a preset time, receive the second network allocation numbers respectively corresponding to each of the neighboring cells determined and fed back based on the broadcast information.

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