CN111343719A - LTE physical resource block allocation method, device and storage medium - Google Patents
LTE physical resource block allocation method, device and storage medium Download PDFInfo
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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Abstract
The application discloses a method, a device and a storage medium for allocating LTE physical resource blocks, relates to the field of mobile communication, and is used for solving the problem that the communication service of a user with a high interference mean value is influenced due to unreasonable allocation of PRB resources. The method comprises the following steps: acquiring interference values of all PRB positions of a cell; if the acquired interference value meets the preset condition, determining that the PRB resource allocation of the cell is unreasonable; acquiring a path loss interval index of the cell; determining a total interference suppression edge user experience path loss threshold according to the path loss interval index; re-determining the edge users and non-edge users of the cell through the total interference suppression edge user experience path loss threshold; and allocating PRB resources for the determined edge users and the non-edge users again. In this way, by reallocating the PRB resources, the interference value of the user with the higher interference mean value can be reduced, thereby reducing the impact on the communication traffic of the user with the higher interference mean value.
Description
Technical Field
The present application relates to the field of mobile communications, and in particular, to a method, an apparatus, and a storage medium for allocating LTE physical resource blocks.
Background
An edge user protection scheduling mechanism is arranged in an LTE (Long Term Evolution of the general mobile communication technology) uplink IOT (Interference of Total Interference) power control algorithm, and the mechanism fixedly divides a frequency band into two sections. Taking a 20M bandwidth cell as an example, the default boundary is 36PRB (Physical Resource Block), which is used by edge users preferentially before 36PRB and used by non-edge users preferentially after 36 PRB.
However, in the prior art, because the allocation of PRB resources of the edge users and the non-edge users is not reasonable, the interference mean of the PRBs of at least one of the edge users and the non-edge users is too high, and thus the communication traffic of the corresponding users is affected.
Disclosure of Invention
The embodiment of the application provides a method and a device for allocating LTE physical resource blocks and a storage medium. The method and the device are used for solving the problem that the communication service of the corresponding user is influenced due to the fact that the interference mean value of the PRB of at least one of the edge user and the non-edge user is too high caused by unreasonable PRB resource distribution, and realizing reasonable distribution of the PRB resources, so that the influence on the communication service of the user with the high interference mean value is reduced.
In a first aspect, an embodiment of the present application provides an LTE physical resource block allocation method, where the method includes:
acquiring interference values of PRB positions of each physical resource block of a cell;
if the acquired interference value meets the preset condition, determining that the PRB resource allocation of the cell is unreasonable;
acquiring a path loss interval index of the cell; the road loss interval index comprises a road loss interval and a user number corresponding to the road loss interval;
determining the experience path loss threshold of the total interference suppression edge user according to the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell;
re-determining the edge users and non-edge users of the cell through the total interference suppression edge user experience path loss threshold;
and allocating PRB resources for the determined edge users and the non-edge users again.
In a second aspect, an embodiment of the present application provides an LTE physical resource block allocation apparatus, where the apparatus includes:
the first acquisition module is used for acquiring the interference value of each physical resource block PRB position of a cell;
the first determining module is used for determining that the PRB resource allocation of the cell is unreasonable if the acquired interference value meets the preset condition;
a second obtaining module, configured to obtain a path loss interval index of the cell; the road loss interval index comprises a road loss interval and a user number corresponding to the road loss interval;
a second determining module, configured to determine a total interference suppression edge user experience path loss threshold according to a ratio of a number of users corresponding to each path loss interval to a total number of users in the cell;
a third determining module, configured to re-determine edge users and non-edge users of the cell according to a total interference rejection edge user experience path loss threshold;
and the allocation module is used for reallocating the PRB resources for the determined edge users and the non-edge users.
In a third aspect, another embodiment of the present application further provides a computing device comprising at least one processor; and;
a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute a resource block allocation method provided by the embodiment of the application.
In a fourth aspect, another embodiment of the present application further provides a computer storage medium, where the computer storage medium stores computer-executable instructions, and the computer-executable instructions are configured to cause a computer to execute a resource block allocation method in an embodiment of the present application.
According to the LTE physical resource block allocation method, the LTE physical resource block allocation device and the storage medium, firstly, a cell with unreasonable PRB resource allocation is determined through preset conditions; secondly, obtaining a path loss interval index of the cell; determining the total interference suppression edge user experience path loss threshold according to the path loss interval index of the cell; and finally, re-determining the edge users and the non-edge users of the cell through the total interference suppression edge user experience path loss threshold, and re-allocating PRB resources for the determined edge users and the non-edge users. Therefore, the edge users and the non-edge users are reasonably divided again according to the path loss interval indexes, PRB resources are reasonably distributed, and the influence on the communication service of the user with high interference mean value is reduced.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic diagram of cell data with unreasonable allocation of PRB resources in the embodiment of the present application;
fig. 2 is a schematic flowchart of an LTE physical resource block allocation method in an embodiment of the present application;
FIG. 3 is a schematic view before and after modification in the embodiment of the present application;
FIG. 4 is a schematic view of an embodiment of the present application before and after modification;
fig. 5 is a schematic flowchart of an LTE physical resource block allocation method in an embodiment of the present application;
fig. 6 is a schematic diagram of an LTE physical resource block allocation structure in an embodiment of the present application;
fig. 7 is a schematic structural diagram of a computing device according to an embodiment of the present application.
Detailed Description
In order to reduce the influence on the communication service of a user with a high interference mean value, embodiments of the present application provide a method, an apparatus, and a storage medium for allocating LTE physical resource blocks. In order to better understand the technical solution provided by the embodiments of the present application, the following brief description is made on the basic principle of the solution:
the principle of determining whether the path loss is an edge User is based on the path loss threshold of the IOT edge UE (User Experience), and in the prior art, the path loss threshold of the IOT edge UE is default to 125. Non-edge users before 125 and edge users after 125. However, when the path loss threshold of the IOT edge-suppression UE is 125 due to differences between cells, the average interference value of at least one of the edge users and the non-edge users is too high, and thus the communication traffic of the corresponding user is affected. As shown in fig. 1, the abscissa represents PRB and the ordinate represents interference value at PRB position, and as can be seen from fig. 1, the interference value before 36PRB is too different from the interference value after 36PRB, and the interference average of non-edge users is too high, so that non-edge user traffic is affected.
In order to solve the above situation, first, a cell with unreasonable allocation of PRB resources needs to be identified; secondly, obtaining a path loss interval index of the cell; determining the path loss threshold of the IOT restraining edge UE according to the path loss interval index of the cell; and finally, re-determining the edge users and the non-edge users of the cell through the IOT (input output) to suppress the path loss threshold of the edge UE, and re-allocating the PRB resources for the determined edge users and the non-edge users. In this way, the interference value of the user with the high interference mean value can be reduced by reallocating the PRB resources, so that the influence on the communication service of the user with the high interference mean value is reduced. It should be noted that the cells with unreasonable allocation of PRB resources usually appear in the D1, D2 and F1 bands in 20M bandwidth. This may occur for other bandwidths as well.
The LTE physical resource block allocation method provided in the embodiments of the present application is further described with reference to the accompanying drawings. Fig. 2 is a schematic flow chart of an LTE physical resource block allocation method, which includes the following steps:
step 201: and acquiring the interference value of each physical resource block PRB position of the cell.
Wherein the interference value is intra-network interference of the PRBs in the cell. The intra-network interference includes mutual interference among users in a cell, interference of an adjacent cell to the cell, and the like.
Step 202: and if the acquired interference value meets the preset condition, determining that the PRB resource allocation of the cell is unreasonable.
Step 203: acquiring a path loss interval index of the cell; the road loss interval index comprises a road loss interval and a user number corresponding to the road loss interval.
Step 204: and determining the experience path loss threshold of the total interference suppression edge user according to the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell.
Step 205: and re-determining the edge users and the non-edge users of the cell through the total interference suppression edge user experience path loss threshold.
Step 206: and allocating PRB resources for the determined edge users and the non-edge users again.
It should be noted that the obtained total interference rejection edge user experience path loss threshold is only applicable to a TDD (time division Duplex) network system.
In this way, the interference value of the user with the high interference mean value can be reduced by reallocating the PRB resources, so that the influence on the communication service of the user with the high interference mean value is reduced.
In this embodiment of the application, before executing step 201, it is further required to determine whether the cell interference value is greater than a first preset value, which may be specifically implemented as steps a1-a 2:
step A1: and acquiring the cell interference value of the cell.
The cell interference value is intra-network interference in all PRBs of the cell.
Step A2: and determining that the cell interference value is greater than a first preset value.
It should be noted that the cell interference value and the interference value of each PRB position may be collected by network elements such as an OMC network management platform.
Therefore, by judging the cell interference value of the cell and identifying the PRB resource allocation unreasonable cell, each cell can be screened, and only the cell with the overlarge cell interference value is subjected to the PRB resource allocation unreasonable identification, so that the cell identification efficiency is higher.
In the embodiment of the present application, when a cell is unreasonably allocated with PRB resources, it needs to be determined whether the interference value of the cell meets a preset condition, which may be specifically implemented as steps B1-B4:
step B1: and judging whether the interference value positioned at the junction of the edge user and the non-edge user in the acquired interference values jumps or not to obtain a first judgment result.
If the step B1 is satisfied with the occurrence of the hopping, it needs to be determined whether a difference between an interference value at 36PRB and an interference value at 35PRB among the obtained interference values is not less than a third preset value; if yes, determining that jumping occurs; if not, determining that no jump occurs.
Step B2: and judging whether the difference value of the interference mean value corresponding to the non-edge user and the interference mean value corresponding to the edge user is not less than a second preset value to obtain a second judgment result.
Before step B2 is executed, the interference value of the PRB used for the common control channel needs to be removed, so that the difference value of step B2 can be used to remove the influence of the interference value of the PRB used for the common control channel, and the result is more accurate.
Step B3: judging whether the interference duration is greater than the preset duration to obtain a third judgment result; and the interference duration is the duration which meets the conditions that the jumping occurs and the difference value is not less than a second preset value.
In step B3, as long as the time length satisfied in the state of step B1 and in the state of step B2 is greater than the second preset value, the satisfied time length may be continuous or discontinuous.
Step B4: and if at least one of the first judgment result, the second judgment result and the third judgment result is yes, determining that the RB resource allocation of the cell is unreasonable.
In this way, the identified cell can be made more accurate.
In the above, how to identify the cell with unreasonable allocation of PRB resources is introduced, and then the total interference suppression edge user experience path loss threshold is reselected for the identified cell, so as to make allocation of PRB resources more reasonable.
In the embodiment of the application, when a cell with unreasonable PRB resource allocation is identified, a path loss interval index of the cell needs to be obtained, wherein the path loss interval index is shown in table 1, and a total interference suppression edge user experience path loss threshold is obtained according to the path loss interval index; the path loss interval index can be collected through network elements such as an OMC network management platform. When the method is specifically implemented, the steps C1-C3:
step C1: and determining the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell.
Step C2: and sequentially adding the ratio according to the sequence of the path loss intervals from large to small to obtain the ratio sum.
Step C3: and if the sum of the occupation ratios corresponding to the N path loss intervals is not greater than the preset threshold value and the sum of the occupation ratios corresponding to the N +1 path loss intervals is greater than the preset threshold value, taking the upper limit of the Nth path loss interval as the total interference suppression edge user experience path loss threshold.
The preset threshold may be 34, 35 or 36, and may be determined according to actual conditions.
Therefore, the total interference suppression edge user experience path loss threshold can be automatically obtained according to the path loss interval index and calculation, and the obtained total interference suppression edge user experience path loss threshold is used for re-dividing the edge users and the non-edge users of the cell, so that the interference value of the user with the high interference mean value is reduced. The pairs of the interference means of the edge users and the non-edge users before and after modification are shown in fig. 3 and 4. It can be known from the figure that the modified mean interference values of the edge users and the non-edge users are approximately kept the same, and the interference values of the non-edge users are reduced, so that the influence of the communication services of the non-edge users is reduced.
TABLE 1 road loss section index
The right side of table 1 is a road loss interval, and the left side is the number of users in the interval.
Besides the above method, the total interference suppression edge user experience path loss threshold may be determined according to other manners, such as: by predicting the moving trend of each user, estimating the number of users in a path loss interval in advance, and determining the total interference suppression edge user experience path loss threshold.
The processes of the present application are described above for the sub-steps, and the overall process of the present application is further described below. As shown in fig. 5.
Step 501: and acquiring a cell interference value of the cell.
Step 502: and if the cell interference value is greater than the first preset value, acquiring the interference value of each PRB position of the cell.
Step 503: and if the acquired interference value meets the preset condition, determining that the PRB resource allocation of the cell is unreasonable.
Step 504: acquiring a path loss interval index of the cell; the road loss interval index comprises a road loss interval and a user number corresponding to the road loss interval.
Step 505: and determining the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell.
Step 506: and sequentially adding the ratio according to the sequence of the path loss intervals from large to small to obtain the ratio sum.
Step 507: and if the sum of the occupation ratios corresponding to the N path loss intervals is not greater than the preset threshold value and the sum of the occupation ratios corresponding to the N +1 path loss intervals is greater than the preset threshold value, taking the upper limit of the Nth path loss interval as the total interference suppression edge user experience path loss threshold.
Step 508: and re-determining the edge users and the non-edge users of the cell through the total interference suppression edge user experience path loss threshold.
Step 509: and allocating PRB resources for the determined edge users and the non-edge users again.
Based on the same inventive concept, the embodiment of the application also provides an LTE physical resource block allocation device. As shown in fig. 6, the apparatus includes:
a first obtaining module 601, configured to obtain an interference value of each physical resource block PRB position of a cell;
a first determining module 602, configured to determine that PRB resources of the cell are unreasonable to allocate if the obtained interference value meets a preset condition;
a second obtaining module 603, configured to obtain a path loss interval index of the cell; the road loss interval index comprises a road loss interval and a user number corresponding to the road loss interval;
a second determining module 604, configured to determine, according to a ratio of the number of users corresponding to each path loss interval to the total number of users in the cell, a total interference suppression edge user experience path loss threshold;
a third determining module 605, configured to re-determine edge users and non-edge users of the cell according to the total interference rejection edge user experience path loss threshold;
an allocating module 606, configured to reallocate PRB resources for the determined edge users and non-edge users.
Further, the apparatus further comprises:
a third obtaining module, configured to obtain a cell interference value of a cell before the first obtaining module 601 obtains the interference value of each physical resource block PRB position of the cell;
and the fourth determining module is used for determining that the cell interference value is greater than the first preset value.
Further, the first determining module 602 includes:
the first judgment unit is used for judging whether the interference value positioned at the junction of the edge user and the non-edge user in the acquired interference values jumps or not to obtain a first judgment result; and the number of the first and second groups,
the second judging unit is used for judging whether the difference value of the interference mean value corresponding to the non-edge user and the interference mean value corresponding to the edge user is not less than a second preset value to obtain a second judging result; and the number of the first and second groups,
the third judging unit is used for judging whether the interference duration is greater than the preset duration to obtain a third judging result; the interference duration is the duration which meets the conditions that the jumping occurs and the difference value is not less than a second preset value;
and the first determining unit is used for determining that the PRB resource allocation of the cell is unreasonable if at least one of the first judgment result, the second judgment result and the third judgment result is yes.
Further, the second judging unit specifically includes:
the judging subunit is used for judging whether the difference value between the interference value at the 36PRB position and the interference value at the 35PRB position in the acquired interference values is not less than a third preset value;
the determining subunit is used for determining that the jump occurs if the determination result is positive; if not, determining that no jump occurs.
Further, the apparatus further comprises:
and the eliminating module is used for eliminating the interference value of the PRB used for the public control channel before the second judging unit judges whether the difference value between the interference mean value corresponding to the non-edge user and the interference mean value corresponding to the edge user is not less than a second preset value.
Further, the second determining module 604 includes:
a second determining unit, configured to determine a ratio of the number of users corresponding to each path loss interval to the total number of users of the cell;
the summation unit is used for sequentially adding the ratio ratios according to the sequence of the road loss intervals from large to small to obtain the ratio sum;
and determining a total interference suppression edge user experience path loss threshold unit, which is used for taking the upper limit of the nth path loss interval as the total interference suppression edge user experience path loss threshold if the sum of the occupation ratios corresponding to the N path loss intervals is not greater than a preset threshold and the sum of the occupation ratios corresponding to the N +1 path loss intervals is greater than the preset threshold.
Having described the method and apparatus for LTE physical resource block allocation in an exemplary embodiment of the present application, a computing apparatus in accordance with another exemplary embodiment of the present application is described next.
As will be appreciated by one skilled in the art, aspects of the present application may be embodied as a system, method or program product. Accordingly, various aspects of the present application 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.
In some possible implementations, a computing device may include at least one processor, and at least one memory, according to embodiments of the application. Wherein the memory stores program code, which when executed by the processor, causes the processor to execute step 201-.
The computing device 70 according to this embodiment of the present application is described below with reference to fig. 7. The computing device 70 shown in fig. 7 is only an example and should not bring any limitations to the functionality or scope of use of the embodiments of the present application. The computing device may be, for example, a cell phone, a tablet computer, or the like.
As shown in fig. 7, computing device 70 is embodied in the form of a general purpose computing device. Components of computing device 70 may include, but are not limited to: the at least one processor 71, the at least one memory 72, and a bus 73 connecting the various system components (including the memory 72 and the processor 71).
The memory 72 may include readable media in the form of volatile memory, such as Random Access Memory (RAM)721 and/or cache memory 722, and may further include Read Only Memory (ROM) 723.
In some possible embodiments, the various aspects of the LTE physical resource block allocation method provided herein may also be implemented in the form of a program product, which includes program code for causing a computer device to perform the steps in the LTE physical resource block allocation method according to various exemplary embodiments of the present disclosure described above in this specification, when the program product is run on the computer device, to perform the steps 201 and 205 as shown in fig. 2.
The program product 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.
The LTE physical resource block allocation method of the embodiments of the present application may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a computing device. However, the program product of the present application 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.
A 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 any of a variety of 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 of the present application 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 computing device, partly on the user equipment, as a stand-alone software package, partly on the user computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, 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).
It should be noted that although several units or sub-units of the apparatus are mentioned in the above detailed description, such division is merely exemplary and not mandatory. Indeed, the features and functions of two or more units described above may be embodied in one unit, according to embodiments of the application. Conversely, the features and functions of one unit described above may be further divided into embodiments by a plurality of units.
Moreover, although the operations of the methods of the present application are depicted in the drawings in a sequential order, this does not require or imply that these operations must be performed in this order, or that all of the illustrated operations 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.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a manner that causes the instructions stored in the computer-readable memory to produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (12)
1. An LTE physical resource block allocation method, the method comprising:
acquiring interference values of PRB positions of each physical resource block of a cell;
if the acquired interference value meets the preset condition, determining that the PRB resource allocation of the cell is unreasonable;
acquiring a path loss interval index of the cell; the road loss interval index comprises a road loss interval and a user number corresponding to the road loss interval;
determining the experience path loss threshold of the total interference suppression edge user according to the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell;
re-determining the edge users and non-edge users of the cell through the total interference suppression edge user experience path loss threshold;
and allocating PRB resources for the determined edge users and the non-edge users again.
2. The method of claim 1, wherein before obtaining the interference value of each Physical Resource Block (PRB) position of the cell, the method further comprises:
acquiring a cell interference value of the cell;
and determining that the cell interference value is greater than a first preset value.
3. The method according to claim 1, wherein the determining that the allocation of PRB resources for the cell is not reasonable if the obtained interference value meets a preset condition specifically comprises:
judging whether the interference value at the junction of the edge user and the non-edge user in the obtained interference values jumps or not to obtain a first judgment result; and the number of the first and second groups,
judging whether the difference value of the interference mean value corresponding to the non-edge user and the interference mean value corresponding to the edge user is not less than a second preset value to obtain a second judgment result; and the number of the first and second groups,
judging whether the interference duration is greater than the preset duration to obtain a third judgment result; the interference duration is the duration which meets the conditions that the jumping occurs and the difference value is not less than a second preset value;
and if at least one of the first judgment result, the second judgment result and the third judgment result is yes, determining that the PRB resource allocation of the cell is unreasonable.
4. The method according to claim 3, wherein the determining whether the interference value at the boundary between the edge user and the non-edge user in the obtained interference values jumps includes:
judging whether the difference value between the interference value at the 36PRB position and the interference value at the 35PRB position in the obtained interference values is not less than a third preset value;
if yes, determining that jumping occurs; if not, determining that no jump occurs.
5. The method of claim 3, wherein before determining whether a difference between the interference mean value corresponding to the non-edge user and the interference mean value corresponding to the edge user is not less than a second preset value, the method further comprises:
interference values of PRBs used for the common control channel are culled.
6. The method according to claim 1, wherein the determining a total interference rejection edge user experience path loss threshold according to a ratio of a number of users corresponding to each path loss interval to a total number of users in the cell specifically includes:
determining the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell;
sequentially adding the ratio according to the sequence of the road loss intervals from large to small to obtain a ratio sum;
and if the sum of the occupation ratios corresponding to the N path loss intervals is not greater than the preset threshold value and the sum of the occupation ratios corresponding to the N +1 path loss intervals is greater than the preset threshold value, taking the upper limit of the Nth path loss interval as the total interference suppression edge user experience path loss threshold.
7. An LTE physical resource block allocation apparatus, the apparatus comprising:
the first acquisition module is used for acquiring the interference value of each physical resource block PRB position of a cell;
the first determining module is used for determining that the PRB resource allocation of the cell is unreasonable if the acquired interference value meets the preset condition;
a second obtaining module, configured to obtain a path loss interval index of the cell; the road loss interval index comprises a road loss interval and a user number corresponding to the road loss interval;
a second determining module, configured to determine a total interference suppression edge user experience path loss threshold according to a ratio of a number of users corresponding to each path loss interval to a total number of users in the cell;
a third determining module, configured to re-determine edge users and non-edge users of the cell according to a total interference rejection edge user experience path loss threshold;
and the allocation module is used for reallocating the PRB resources for the determined edge users and the non-edge users.
8. The apparatus of claim 7, further comprising:
a third obtaining module, configured to obtain a cell interference value of a cell before the first obtaining module obtains the interference value of each physical resource block PRB position of the cell;
and the fourth determining module is used for determining that the cell interference value is greater than the first preset value.
9. The apparatus of claim 7, wherein the first determining module comprises:
the first judgment unit is used for judging whether the interference value positioned at the junction of the edge user and the non-edge user in the acquired interference values jumps or not to obtain a first judgment result; and the number of the first and second groups,
the second judging unit is used for judging whether the difference value of the interference mean value corresponding to the non-edge user and the interference mean value corresponding to the edge user is not less than a second preset value to obtain a second judging result; and the number of the first and second groups,
the third judging unit is used for judging whether the interference duration is greater than the preset duration to obtain a third judging result; the interference duration is the duration which meets the conditions that the jumping occurs and the difference value is not less than a second preset value;
and the first determining unit is used for determining that the PRB resource allocation of the cell is unreasonable if at least one of the first judgment result, the second judgment result and the third judgment result is yes.
10. The apparatus of claim 7, wherein the second determining module comprises:
a second determining unit, configured to determine a ratio of the number of users corresponding to each path loss interval to the total number of users of the cell;
the summation unit is used for sequentially adding the ratio ratios according to the sequence of the road loss intervals from large to small to obtain the ratio sum;
and determining a total interference suppression edge user experience path loss threshold unit, which is used for taking the upper limit of the nth path loss interval as the total interference suppression edge user experience path loss threshold if the sum of the occupation ratios corresponding to the N path loss intervals is not greater than a preset threshold and the sum of the occupation ratios corresponding to the N +1 path loss intervals is greater than the preset threshold.
11. A computer-readable medium having stored thereon computer-executable instructions for performing the method of any one of claims 1-6.
12. A computing device, comprising:
at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-6.
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