CN111343719B - 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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Abstract
The application discloses an LTE physical resource block allocation method, an LTE physical resource block allocation device and a storage medium, relates to the field of mobile communication, and is used for solving the problem that communication service of a party user with high interference mean value is affected due to unreasonable PRB resource allocation. The method comprises the following steps: acquiring interference values of each PRB position of a cell; if the acquired interference value meets a 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 the non-edge users of the cell through the total interference suppression edge user experience path loss threshold; PRB resources are reallocated for the determined edge users and non-edge users. In this way, by reassigning the PRB resources, the interference value of the party user with high interference mean value can be reduced, thereby reducing the influence on the communication service of the party user with high interference mean value.
Description
Technical Field
The present disclosure relates to the field of mobile communications, and in particular, to a method and apparatus for allocating LTE physical resource blocks, and a storage medium.
Background
There is an edge user protection scheduling mechanism in the LTE (Long Term Evolution, long term evolution of universal mobile telecommunications technology) uplink IOT (Interference of Total, total interference) power control algorithm, which fixedly divides the frequency band into two segments. Taking a 20M bandwidth cell as an example, the default boundary is 36 PRBs (Physical Resource Block, physical resource blocks), where 36 PRBs are used preferentially by edge users before and non-edge users after 36 PRBs.
However, in the prior art, due to unreasonable PRB resource allocation of the edge users and the non-edge users, the average interference value of PRBs of at least one of the edge users and the non-edge users is too high, so that the communication service of the corresponding user is affected.
Disclosure of Invention
The embodiment of the application provides an LTE physical resource block allocation method, an LTE physical resource block allocation device and a storage medium. The method is used for solving the problem that the communication service of the corresponding user is influenced due to the fact that the interference average value of PRB of at least one of the edge user and the non-edge user is too high caused by unreasonable PRB resource allocation, realizing reasonable PRB resource allocation, and reducing the influence on the communication service of the user with high interference average value.
In a first aspect, an embodiment of the present application provides a method for allocating LTE physical resource blocks, where the method includes:
acquiring interference values of the PRB positions of physical resource blocks of a cell;
if the acquired interference value meets a preset condition, determining that the PRB resource allocation of the cell is unreasonable;
acquiring a path loss interval index of the cell; the path loss interval index comprises a path loss interval and a user number corresponding to the path loss interval;
determining a total interference suppression edge user experience path loss threshold 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 the non-edge users of the cell through the total interference suppression edge user experience path loss threshold;
PRB resources are reallocated for the determined edge users and non-edge users.
In a second aspect, an embodiment of the present application provides an LTE physical resource block allocation apparatus, where the apparatus includes:
a first obtaining module, configured to obtain an 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 a preset condition;
the second acquisition module is used for acquiring the path loss interval index of the cell; the path loss interval index comprises a path loss interval and a user number corresponding to the path loss interval;
the second determining module is used for determining a total interference suppression edge user experience path loss threshold according to the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell;
the third determining module is used for redefining the edge users and the non-edge users of the cell through the total interference suppression edge user experience path loss threshold;
and the allocation module is used for reallocating PRB resources for the determined edge users and non-edge users.
In a third aspect, another embodiment of the present application also provides a computing device, including at least one processor; a kind of electronic device with high-pressure air-conditioning system;
a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor, where the instructions are executable by the at least one processor to enable the at least one processor to perform a resource block allocation method provided by an embodiment of the present 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 for causing a computer to perform a resource block allocation method in an embodiment of the present application.
According to the LTE physical resource block allocation method, device and storage medium, firstly, a cell with unreasonable PRB resource allocation is determined through preset conditions; secondly, 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 of the cell; and finally, the edge user and the non-edge user of the cell are redetermined through the total interference suppression edge user experience route loss threshold, and PRB resources are redeployed for the determined edge user and non-edge user. Therefore, reasonable allocation of PRB resources is realized by reasonably dividing edge users and non-edge users according to the index of the path loss interval, and the influence on the communication service of the party 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 practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof 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 embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a schematic diagram of cell data with unreasonable PRB resource allocation in the embodiments of the present application;
fig. 2 is a flow chart of an LTE physical resource block allocation method according to an embodiment of the present application;
FIG. 3 is a schematic diagram of the embodiment of the present application before and after modification;
FIG. 4 is a schematic diagram of the embodiment of the present application before and after modification;
fig. 5 is a flow chart of an LTE physical resource block allocation method according to 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 the party user with the high interference mean value, the embodiment of the application provides an LTE physical resource block allocation method, an LTE physical resource block allocation device and a storage medium. In order to better understand the technical solution provided in the embodiments of the present application, the basic principle of the solution is briefly described here:
the principle of determining whether the User is an edge User is to suppress an edge UE (User Experience) path loss threshold according to IOT, where the IOT suppresses the edge UE path loss threshold to default to 125 in the prior art. Before 125 is a non-edge user and after 125 is an edge user. However, due to the difference between the cells, when the IOT suppresses the path loss threshold of the edge UE at 125, the interference mean of at least one of the edge user and the non-edge user is too high, so that the communication service of the corresponding user is affected. As shown in fig. 1, the abscissa represents PRBs, the ordinate represents interference values at PRB positions, and as can be seen from fig. 1, interference values before 36 PRBs differ from those after 36 PRBs too much, and interference mean of non-edge users is too high, so that non-edge user communication traffic is affected.
In order to solve the above situation, first, it is necessary to identify a cell in which PRB resource allocation is unreasonable; secondly, acquiring a path loss interval index of the cell; determining an IOT (internet of things) inhibition edge UE (user equipment) path loss threshold according to the path loss interval index of the cell; and finally, the edge user and the non-edge user of the cell are redetermined through the IOT restraining edge UE path loss threshold, and PRB resources are redeployed for the determined edge user and non-edge user. In this way, by reassigning the PRB resources, the interference value of the party user with high interference mean value can be reduced, thereby reducing the influence on the communication service of the party user with high interference mean value. It should be noted that cells with unreasonable PRB resource allocation typically occur in D1, D2, and F1 bands in 20M bandwidth. This may also occur for other bandwidths.
The method for allocating LTE physical resource blocks according to the embodiments of the present application is further described below with reference to the accompanying drawings. Fig. 2 is a flow chart of an LTE physical resource block allocation method, including the following steps:
step 201: and obtaining 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 between users in a cell, interference of neighboring cells to the cell, and the like.
Step 202: if the acquired interference value meets a 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 path loss section index comprises a path loss section and a user number corresponding to the path loss section.
Step 204: and determining a total interference suppression edge user experience path loss threshold 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: PRB resources are reallocated for the determined edge users and non-edge users.
It should be noted that the obtained total interference suppression edge user experience path loss threshold is only applicable to TDD (Time Division Duplex ) network systems.
In this way, by reassigning the PRB resources, the interference value of the party user with high interference mean value can be reduced, thereby reducing the influence on the communication service of the party user with high interference mean value.
In this embodiment, before executing step 201, it is further determined whether the cell interference value is greater than a first preset value, which may be specifically implemented as steps A1-A2:
step A1: and obtaining the cell interference value of the cell.
Wherein, the cell interference value is intra-network interference in all PRBs of the cell.
Step A2: and determining that the cell interference value is larger 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 OMC network management platform.
In this way, by judging the magnitude of the cell interference value of the cell first and then identifying the cell with unreasonable PRB resource allocation, each cell can be screened, and unreasonable PRB resource allocation is only identified for the cell with overlarge cell interference value, so that the efficiency of identifying the cell is higher.
In the embodiment of the present application, when a cell with unreasonable PRB resource allocation is allocated, it needs to be determined whether the interference value of the cell meets a preset condition, which may be specifically implemented in steps B1-B4:
step B1: and judging whether the acquired interference value located at the junction of the edge user and the non-edge user jumps or not to obtain a first judgment result.
Step B1 is to judge whether the difference between the obtained interference value at 36PRB and the interference value at 35PRB is not less than a third preset value or not; if yes, determining that jump occurs; if not, determining that no jump occurs.
Step B2: and judging 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 smaller than a second preset value or not to obtain a second judging result.
Before step B2 is performed, the interference value of the PRB for the common control channel needs to be removed, so that the influence of the interference value of the PRB for the common control channel can be removed from the difference in step B2, and the result is more accurate.
Step B3: judging whether the interference time length is longer than a preset time length to obtain a third judgment result; the interference duration is a duration which satisfies the condition that the jump occurs and the difference value is not smaller than a second preset value.
In step B3, the time period in the state of step B1 and in the state of step B2 may be continuous or discontinuous as long as the time period is longer than the second preset value.
Step B4: 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 may be made more accurate.
The above describes how to identify cells with unreasonable PRB resource allocation, and then reselect the path loss threshold of the total interference rejection edge user experience for the identified cells, so that the PRB resource allocation is 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, 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 route loss interval index can be acquired through network elements such as an OMC network management platform. The specific implementation comprises the steps of 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 duty ratios according to the sequence from the large path loss interval to the small path loss interval to obtain a duty ratio sum.
Step C3: and if the sum of the duty ratios corresponding to the N path loss sections is not greater than a preset threshold value and the sum of the duty ratios corresponding to the N+1 path loss sections is greater than the preset threshold value, taking the upper limit of the Nth path loss section 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 practical situations.
In this way, 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 party user with the high interference mean value is reduced. The pairs of interference means between the edge users and the non-edge users before and after modification are shown in fig. 3 and fig. 4. As can be seen from the figure, the interference mean value of the modified edge user and the non-edge user remains approximately the same, and the interference value of the non-edge user is reduced, so that the influence of the communication service of the non-edge user is reduced.
TABLE 1 index of path loss interval
The right side of table 1 is a path loss section, and the left side is the number of users in the section.
In addition to the above method, the determination of the total interference suppression edge user experience path loss threshold may be performed according to other manners, for example: and predicting the movement trend of each user, estimating the number of users in the path loss interval in advance, and determining the total interference suppression edge user experience path loss threshold.
The above describes the procedures of the present application in steps, and the overall procedure of the present application is further described below. As shown in fig. 5.
Step 501: and obtaining the cell interference value of the cell.
Step 502: and if the cell interference value is larger than a first preset value, acquiring the interference value of each PRB position of the cell.
Step 503: if the acquired interference value meets a 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 path loss section index comprises a path loss section and a user number corresponding to the path loss section.
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 duty ratios according to the sequence from the large path loss interval to the small path loss interval to obtain a duty ratio sum.
Step 507: and if the sum of the duty ratios corresponding to the N path loss sections is not greater than a preset threshold value and the sum of the duty ratios corresponding to the N+1 path loss sections is greater than the preset threshold value, taking the upper limit of the Nth path loss section 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: PRB resources are reallocated for the determined edge users and non-edge users.
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 location of a cell;
a first determining module 602, configured to determine that the PRB resource allocation of the cell is unreasonable 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 path loss interval index comprises a path loss interval and a user number corresponding to the path loss interval;
a second determining module 604, 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 605, configured to redetermine an edge user and a non-edge user of the cell through the total interference suppression edge user experience path loss threshold;
an allocation module 606 is configured to reallocate PRB resources for the determined edge users and non-edge users.
Further, the device 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 a fourth determining module, configured to determine that the cell interference value is greater than a first preset value.
Further, the first determining module 602 includes:
the first judging unit is used for judging whether the acquired interference value located at the junction of the edge user and the non-edge user is jumped or not to obtain a first judging result; the method comprises the steps of,
the second judging unit is used for judging 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 smaller than a second preset value or not to obtain a second judging result; the method comprises the steps of,
the third judging unit is used for judging whether the interference time length is longer than a preset time length to obtain a third judging result; the interference time length is the time length which meets the condition that the jump occurs and the difference value is not smaller 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 judging result, the second judging result and the third judging 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 36PRB and the interference value at 35PRB in the obtained interference value is not smaller than a third preset value;
a determining subunit, configured to determine that a jump occurs if the jump occurs; if not, determining that no jump occurs.
Further, the device further comprises:
and the rejecting module is used for rejecting the interference value of the PRB for the public control channel before the second judging unit judges whether the difference value between the interference average value corresponding to the non-edge user and the interference average value corresponding to the edge user is not smaller than a second preset value.
Further, the second determining module 604 includes:
a second determining unit, configured to determine a ratio of a number of users corresponding to each path loss section to a total number of users in the cell;
the summing unit is used for sequentially adding the duty ratios according to the sequence from the large path loss interval to the small path loss interval to obtain a duty ratio sum;
and determining a total interference suppression edge user experience path loss threshold unit, wherein the total interference suppression edge user experience path loss threshold unit is used for taking the upper limit of the N-th path loss interval as the total interference suppression edge user experience path loss threshold if the sum of the duty ratios corresponding to the N path loss intervals is not larger than a preset threshold and the sum of the duty ratios corresponding to the N+1 path loss intervals is larger than the preset threshold.
Having described the method and apparatus for LTE physical resource block allocation according to an exemplary embodiment of the present application, next, a computing apparatus according to another exemplary embodiment of the present application is described.
Those skilled in the art will appreciate that the various aspects of the present application may be implemented as a system, method, or program product. Accordingly, aspects of the present application may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may 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 present application. The memory stores therein program code that, when executed by the processor, causes the processor to perform steps 201-205 in the LTE physical resource block allocation method according to various exemplary embodiments of the present application described above in this specification.
A computing device 70 according to such an embodiment of the present application is described below with reference to fig. 7. The computing device 70 shown in fig. 7 is merely an example and should not be taken as limiting the functionality and scope of use of embodiments of the present application. The computing device may be, for example, a cell phone, tablet computer, etc.
As shown in fig. 7, the 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, a bus 73 connecting the various system components, including the memory 72 and the processor 71.
The computing device 70 may also communicate with one or more external devices 74 (e.g., pointing devices, etc.), one or more devices that enable a user to interact with the computing device 70, and/or any devices (e.g., routers, modems, etc.) that enable the computing device 70 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 75. Moreover, the computing device 70 may also communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN) and/or a public network, such as the Internet, through a network adapter 76. As shown, network adapter 76 communicates with other modules for computing device 70 over bus 73. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with computing device 70, including, but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
In some possible embodiments, various aspects of the LTE physical resource block allocation method provided herein may also be implemented in the form of a program product comprising program code for causing a computer device to perform the steps of the method of LTE physical resource block allocation according to various exemplary embodiments of the present application described herein above, when the program product is run on a computer device, performing steps 201-205 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. The readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk 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 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.
The readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. 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 of the foregoing. 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's computing device, partly on the user's equipment, as a stand-alone software package, partly on the user's computing device, 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., connected via 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 a division is merely exemplary and not mandatory. Indeed, the features and functions of two or more of the elements described above may be embodied in one element in accordance with embodiments of the present application. Conversely, the features and functions of one unit described above may be further divided into a plurality of units to be embodied.
Furthermore, although the operations of the methods of the present application are illustrated in the accompanying drawings as a sequence, it is not required or implied that the operations be performed in that order or that all of the illustrated operations be performed to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
It will be appreciated by those skilled in the art that 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 flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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, such that the instructions stored in the computer-readable memory 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 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. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (10)
1. An LTE physical resource block allocation method, the method comprising:
acquiring interference values of the PRB positions of physical resource blocks of a cell;
if the acquired interference value meets a preset condition, determining that the PRB resource allocation of the cell is unreasonable;
acquiring a path loss interval index of the cell; the path loss interval index comprises a path loss interval and a user number corresponding to the path loss interval;
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 duty ratios according to the sequence from the large path loss interval to the small path loss interval to obtain a duty ratio sum;
if the sum of the duty ratios corresponding to the N path loss sections is not greater than a preset threshold value and the sum of the duty ratios corresponding to the N+1 path loss sections is greater than the preset threshold value, taking the upper limit of the N path loss section as a total interference suppression edge user experience path loss threshold;
re-determining the edge users and the non-edge users of the cell through the total interference suppression edge user experience path loss threshold;
PRB resources are reallocated for the determined edge users and non-edge users.
2. The method according to claim 1, wherein before the obtaining the interference value for each physical resource block, PRB, location of a cell, the method further comprises:
obtaining a cell interference value of the cell;
and determining that the cell interference value is larger than a first preset value.
3. The method of claim 1, wherein if the obtained interference value meets a preset condition, determining that the PRB resource allocation of the cell is unreasonable specifically includes:
judging whether the acquired interference value located at the junction of the edge user and the non-edge user jumps or not to obtain a first judgment result; the method comprises the steps of,
judging 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 smaller than a second preset value or not to obtain a second judging result; the method comprises the steps of,
judging whether the interference time length is longer than a preset time length to obtain a third judgment result; the interference time length is the time length which meets the condition that the jump occurs and the difference value is not smaller than a second preset value;
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 of claim 3, wherein the determining whether the acquired interference value is hopped at the boundary between the edge user and the non-edge user specifically includes:
judging whether the difference value between the obtained interference value at 36PRB and the interference value at 35PRB is not smaller than a third preset value;
if yes, determining that jump occurs; if not, determining that no jump occurs.
5. The method of claim 3, wherein before determining whether the difference between the interference mean corresponding to the non-edge user and the interference mean corresponding to the edge user is not less than the second preset value, the method further comprises:
the interference values of PRBs used for the common control channel are rejected.
6. An LTE physical resource block allocation apparatus, the apparatus comprising:
a first obtaining module, configured to obtain an 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 a preset condition;
the second acquisition module is used for acquiring the path loss interval index of the cell; the path loss interval index comprises a path loss interval and a user number corresponding to the path loss interval;
the second determining module comprises a second determining unit and a summing unit; the second determining unit is used for determining the ratio of the number of users corresponding to each path loss interval to the total number of users of the cell; the summing unit is used for sequentially adding the duty ratios according to the sequence from the large path loss interval to the small path loss interval to obtain a duty ratio sum; determining a total interference suppression edge user experience path loss threshold unit, wherein the total interference suppression edge user experience path loss threshold unit is used for taking the upper limit of an N-th path loss interval as a total interference suppression edge user experience path loss threshold if the sum of the duty ratios corresponding to N path loss intervals is not larger than a preset threshold and the sum of the duty ratios corresponding to N+1 path loss intervals is larger than the preset threshold;
the third determining module is used for redefining the edge users and the non-edge users of the cell through the total interference suppression edge user experience path loss threshold;
and the allocation module is used for reallocating PRB resources for the determined edge users and non-edge users.
7. The apparatus of claim 6, wherein the apparatus further comprises:
the third acquisition module is used for acquiring the cell interference value of the cell before the first acquisition module acquires the interference value of each Physical Resource Block (PRB) position of the cell;
and a fourth determining module, configured to determine that the cell interference value is greater than a first preset value.
8. The apparatus of claim 6, wherein the first determining module comprises:
the first judging unit is used for judging whether the acquired interference value located at the junction of the edge user and the non-edge user is jumped or not to obtain a first judging result; the method comprises the steps of,
the second judging unit is used for judging 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 smaller than a second preset value or not to obtain a second judging result; the method comprises the steps of,
the third judging unit is used for judging whether the interference time length is longer than a preset time length to obtain a third judging result; the interference time length is the time length which meets the condition that the jump occurs and the difference value is not smaller 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 judging result, the second judging result and the third judging result is yes.
9. A computer readable medium storing computer executable instructions for performing the method of any one of claims 1-5.
10. 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 1-5.
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