CN113194507B - Resource allocation method and device for network slices - Google Patents
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Abstract
The embodiment of the invention provides a resource allocation method and device of a network slice, relates to the technical field of communication, and can improve the allocation reasonability of frequency domain resources of the network slice in a cell. The method comprises the following steps: determining an allocation rule corresponding to a target cell from a plurality of allocation rules according to a cell identifier of the target cell, wherein the allocation rule is used for determining frequency domain resources occupied by a network slice in the target cell; and determining frequency domain resources occupied by M network slices in the target cell according to the allocation rule corresponding to the target cell, wherein M is a positive integer.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for resource allocation of a network slice.
Background
In a 5th generation (5G) mobile communication network system, a Network Slicing (NS) function is introduced, and air interface resources and scheduling policies thereof are uniformly defined in a network slicing manner, so that good isolation of different network slices on the air interface resources and data is ensured, and the multiplexing efficiency of the air interface resources is improved.
At present, the resource allocation method of the network slice mostly allocates resources according to the service type and the attribute information of the network slice, but the method for allocating resources only according to the service type and the attribute information of the network slice has the problem of unreasonable resource allocation.
Disclosure of Invention
The embodiment of the application provides a resource allocation method and device for a network slice, which can improve the allocation rationality of frequency domain resources of the network slice in a cell.
In a first aspect, the present application provides a resource allocation method for a network slice, where the method includes: determining an allocation rule corresponding to the target cell from a plurality of allocation rules according to the cell identifier of the target cell, wherein the allocation rules are used for determining frequency domain resources occupied by the network slice in the target cell; and determining frequency domain resources occupied by the M network slices in the target cell according to an allocation rule corresponding to the target cell, wherein M is a positive integer.
According to the technical scheme provided by the embodiment of the application, the cell identification is used as the basis for determining the allocation rule of the network slice in the target cell based on the difference of the cell identifications of the two adjacent cells, so that the two adjacent cells with different cell identifications can correspond to different allocation rules. Therefore, when the network slice allocates the frequency domain resources in the two adjacent cells according to different allocation rules, the frequency domain resources allocated by the network slice in the two adjacent cells may be very different, that is, the possibility that the network slice occupies different frequency domain resources in the two adjacent cells is improved, and further, the signal interference between the two adjacent cells is reduced. Therefore, the technical scheme provided by the embodiment of the application can improve the distribution rationality of the frequency domain resources of the network slice in the cell.
In one possible design, determining an allocation rule corresponding to a target cell from a plurality of allocation rules according to a cell identifier of the target cell includes: according to formula N c ＝N ID % N, determining an allocation rule corresponding to the target cell from the plurality of allocation rules; wherein N is c Allocation rules for identifying the correspondence of target cells, N ID Is the cell identification of the target cell,% represents the remainder operation, and N is a positive integer.
In one possible design, the distribution rule includes a plurality of distribution sub-rules and a plurality of preset conditions, and the plurality of distribution sub-rules correspond to the plurality of preset conditions one to one; determining frequency domain resources occupied by the M network slices in the target cell according to an allocation rule corresponding to the target cell, wherein the frequency domain resources comprise: determining P network slices meeting a target preset condition from the M network slices, wherein P is a positive integer less than or equal to M, and the target preset condition is any one of a plurality of preset conditions; and determining the frequency domain resources occupied by the P network slices in the target cell according to the distribution sub-rule corresponding to the target preset condition.
In one possible design, the plurality of preset conditions includes a first preset condition, a second preset condition, and a third preset condition; the first preset condition is that the bandwidth of the network slice is greater than the preset bandwidth; the second preset condition is that the bandwidth of the network slice is equal to the preset bandwidth; the third preset condition is that the bandwidth of the network slice is smaller than the preset bandwidth.
In one possible design, the allocation sub-rule is configured to allocate, from a preset frequency domain resource start position, frequency domain resources in a preset allocation manner, to one or more network slices that meet a preset condition corresponding to the allocation sub-rule, where the preset allocation manner is a first allocation manner, a second allocation manner, a third allocation manner, or a fourth allocation manner; the first allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from small bandwidth to large bandwidth of the network slice; the second distribution mode is that according to the direction from high frequency to low frequency, frequency domain resources are distributed to at least one network slice one by one according to the sequence that the bandwidth of the network slice is from small to large; the third allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice; and the fourth allocation mode is that according to the direction from high frequency to low frequency, the frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice.
In a second aspect, the present application provides a communication device comprising a processing module. The processing module is used for determining an allocation rule corresponding to the target cell from a plurality of allocation rules according to the cell identifier of the target cell, the allocation rules are used for determining frequency domain resources occupied by the network slice in the target cell, and M is a positive integer; and determining the frequency domain resources occupied by the M network slices in the target cell according to the distribution rule corresponding to the target cell.
In one possible design, the processing module is specifically configured to: according to formula N c ＝N ID % N, determining an allocation rule corresponding to the target cell from the plurality of allocation rules; wherein N is c Allocation rules for identifying the correspondence of target cells, N ID Is the cell identification of the target cell,% represents the remainder operation, and N is a positive integer.
In one possible design, the distribution rule includes a plurality of distribution sub-rules and a plurality of preset conditions, and the plurality of distribution sub-rules correspond to the plurality of preset conditions one to one;
the processing module is further specifically configured to determine P network slices meeting a target preset condition from the M network slices, where P is a positive integer less than or equal to M, and the target preset condition is any one of multiple preset conditions; and determining the frequency domain resources occupied by the P network slices in the target cell according to the distribution sub-rule corresponding to the target preset condition.
In one possible design, the plurality of preset conditions includes a first preset condition, a second preset condition, and a third preset condition; the first preset condition is that the bandwidth of the network slice is greater than the preset bandwidth; the second preset condition is that the bandwidth of the network slice is equal to the preset bandwidth; the third preset condition is that the bandwidth of the network slice is smaller than the preset bandwidth.
In one possible design, the allocation sub-rule is configured to allocate, from a preset frequency domain resource start position, frequency domain resources in a preset allocation manner to one or more network slices that meet a preset condition corresponding to the allocation sub-rule, where the preset allocation manner is a first allocation manner, a second allocation manner, a third allocation manner, or a fourth allocation manner; the first allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from small bandwidth to large bandwidth of the network slice; the second distribution mode is that according to the direction from high frequency to low frequency, frequency domain resources are distributed to at least one network slice one by one according to the sequence that the bandwidth of the network slice is from small to large; the third allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice; and the fourth allocation mode is that according to the direction from high frequency to low frequency, the frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice.
In a third aspect, an embodiment of the present application further provides a communication apparatus, including: a processor. The processor is configured to implement the resource allocation method for network slices as described in the first aspect or any one of the possible designs.
In a fourth aspect, an embodiment of the present application further provides a computer-readable storage medium, where computer instructions are stored, and when the computer instructions are executed, the method for allocating resources for a network slice in the first aspect or any one of the possible designs is implemented.
In a fifth aspect, an embodiment of the present application further provides a computer program product, which when run on a computer, causes the computer to execute the resource allocation method for network slices described in the first aspect or any one of the possible designs.
The technical effects brought by any one of the designs of the second aspect to the fifth aspect may be referred to the technical effects brought by the corresponding design of the first aspect, and are not described herein again.
Drawings
Fig. 1 is a schematic structural diagram of a communication device provided in the present application;
fig. 2 is a flowchart of a resource allocation method for a network slice provided in the present application;
fig. 3 is a flowchart of another resource allocation method for network slices provided in the present application;
fig. 4 is a schematic diagram illustrating a resource allocation manner of a network slice according to the present application;
fig. 5 is a schematic diagram illustrating resource allocation rules of a network slice provided in the present application;
fig. 6 is a schematic diagram illustrating resource allocation rules of a network slice provided in the present application;
fig. 7 is a schematic diagram illustrating a resource allocation result of a network slice provided in the present application;
fig. 8 is a schematic structural diagram of a communication device provided in the present application;
fig. 9 is a schematic structural diagram of another communication device provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, "/" means "or" unless otherwise specified, for example, a/B may mean a or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" or "a plurality" means two or more. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.
In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present relevant concepts in a concrete fashion for ease of understanding.
Furthermore, the terms "including" and "having," and any variations thereof, as referred to in the description of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to the listed steps or modules, but may alternatively include other steps or modules not listed or inherent to such process, method, article, or apparatus.
Technical terms related to the embodiments of the present invention are briefly described below.
1. Network slicing
5G mobile communication technology, and a network slicing function is introduced. The network slice NS is a logically isolated network for supporting specific network capabilities and network characteristics, and may be end-to-end (E2E) including the entire network, or part of the network functions may be shared among multiple network slices, which is a key technology for meeting the requirements of 5G mobile communication technology regarding network differentiation. Generally, the network characteristics of different network slices are different, and the network slices are required to be isolated from each other and not to be influenced by each other. For example, network slices in enhanced mobile broadband (eMBB) scenarios require large bandwidth and low delay; a network slice of an internet of things (mIOT) scene requires to support mass terminal access, but has small bandwidth and no requirement on time delay; there are also ultra-high reliable ultra-low latency communication (uRLLC) scenarios.
2. Interference coordination
In order to coordinate interference between cells, an Inter Cell Interference Coordination (ICIC) technique is used in the interference coordination technique of 4G LTE, which controls interference as much as possible before overload occurs, and reduces the probability of overload occurrence. ICIC is the advance planning of the available time-frequency resources for each cell edge user and the definition of time-frequency resources for high power transmission. The service cell informs the adjacent cell which may generate interference in advance of the resource allocation condition of the edge user, so that the adjacent cell prepares in advance. The ICIC technique mainly includes a Soft Frequency Reuse (SFR) technique and a Fractional Frequency Reuse (FFR) technique, which are both intended to improve frequency reuse factors at the cell edge, improve the performance at the cell edge, and reduce inter-cell interference. FFR and SFR differ in the frequency range and number of participating multiplexes. FFR is only a fraction of the frequencies multiplexed at the cell edge, whereas SFR allows all frequencies to be multiplexed at the cell edge. The two are otherwise identical.
The above is an introduction of technical terms related to the embodiments of the present invention, and details are not described below.
At present, the resource allocation method of the network slice mostly allocates resources based on the service type and attribute information of the network slice, so that the frequency domain resources of the network slice in the adjacent cells are fixed. However, when neighboring cells serve the same network slice with fixed same frequency domain resources, network slices employing the same frequency domain resources may generate persistent interference. Therefore, the current resource allocation method of the network slice has the problem of unreasonable resource allocation.
The technical solution provided in the embodiments of the present application may be applied to various communication systems, for example, a New Radio (NR) communication system adopting a 5G communication technology, a future evolution system or a multiple communication convergence system, and the like. The technical scheme provided by the application can be applied to various application scenarios, for example, scenarios such as machine-to-machine (M2M), macro-micro communication, eMBB, uRLLC, and mMTC. As can be known to those skilled in the art, with the evolution of network architecture and the emergence of new service scenarios, the technical solution provided in the embodiments of the present application is also applicable to similar technical problems.
In a possible design, as shown in fig. 1, the technical solution provided in the embodiment of the present application may be applied to a communication device 01, where the communication device 01 is independent of an access network device 02. The communication device 01 and the access network device 02 constitute a communication system. The communication device 01 may be a slice management device or another device. The access network device 02 may be a base station or other access network devices.
In another possible design, the communication device in the embodiment of the present application may be a device inside a radio access network, such as a base station, or may be another device inside the radio access network. When the communication device in the embodiment of the present application is a base station, the technical solutions provided in the embodiments of the present application are also applicable.
The technical solution in the embodiments of the present application is described below with reference to other drawings in the embodiments of the present application.
As shown in fig. 2, an embodiment of the present application provides a resource allocation method for a network slice, which may include the following steps S201 to S202:
s201, the communication equipment determines an allocation rule corresponding to the target cell from a plurality of allocation rules according to the cell identification of the target cell.
The allocation rule is used for determining frequency domain resources occupied by the network slice in the target cell, and M is a positive integer.
Optionally, the allocation rule corresponding to the target cell may be according to formula N c ＝N ID % N. Wherein N is c Number of allocation rule corresponding to target cell, N ID For the cell id of the target cell,% represents the remainder operation, and N is a positive integer. It can be understood that there are various ways to determine the allocation rule corresponding to the target cell, and the present application does not limit this.
It should be noted that N may be the number of network slices, or may be a preset value, which is not limited herein.
Optionally, the allocation rule may include a plurality of allocation sub-rules and a plurality of preset conditions, where the plurality of allocation sub-rules correspond to the plurality of preset conditions one to one.
Alternatively, the preset condition may be a condition related to certain parameters of the network slice. For example, the preset condition may be a condition related to the bandwidth of the network slice.
For example, the plurality of preset conditions may include a first preset condition, a second preset condition, and a third preset condition. The first preset condition may be that the bandwidth of the network slice is greater than a preset bandwidth; the second preset condition may be that the bandwidth of the network slice is equal to the preset bandwidth; the third preset condition may be that the bandwidth of the network slice is less than the preset bandwidth.
For example, the plurality of preset conditions may include a first preset condition, a second preset condition, and a third preset condition. The first preset condition may be that a bandwidth of the network slice is greater than or equal to a first preset bandwidth, the second preset condition may be that the bandwidth of the network slice is smaller than the first preset bandwidth and greater than or equal to a second preset bandwidth, and the third preset condition may be that the bandwidth of the network slice is smaller than the second preset bandwidth, where the first preset bandwidth is greater than the second preset bandwidth. The first preset bandwidth and the second preset bandwidth can be set according to actual needs.
It should be noted that the preset bandwidth may be an average value of bandwidths expected in the target cell by the M network slices, or may be an average value of bandwidths actually occupied in the target cell by the M network slices, or may also be an average value of bandwidths actually required in the target cell by the M network slices, which is not limited herein. .
The unit of the bandwidth of the network slice may be a Physical Resource Block (PRB), which is not limited.
In this embodiment of the present application, the allocation sub-rule is configured to allocate, from a preset frequency domain resource start position, the frequency domain resource in a preset allocation manner, one or more network slices that satisfy a preset condition corresponding to the allocation sub-rule.
The preset frequency domain resource starting position may be any position on the frequency domain resource of the target cell, or may also be a designated position on the frequency domain resource of the target cell. For example, the frequency domain resource starting position may be PRBx, which is used to represent the xth PRB in the direction from the low frequency to the high frequency in the frequency domain resource of the target cell. The PRB0 and PRBmax are used to indicate PRBs corresponding to the lowest frequency and the highest frequency in the frequency domain resources of the target cell.
For another example, the starting position of the frequency domain resource may also be a default starting position, where the default starting position is used to indicate a frequency domain resource position where a first one of the target cell bandwidths is not allocated to other network slices when the frequency domain resources are allocated by multiple network slices satisfying different preset conditions in the same allocation manner. For example, the communication device may allocate, one by one, frequency domain resources to a plurality of network slices satisfying that the bandwidth of the network slice is greater than or equal to a preset bandwidth from the PRB0 in a direction from a low frequency to a high frequency according to a sequence from a large bandwidth to a small bandwidth of the network slice, where the frequency domain resources occupied by the network slice whose bandwidth is greater than the preset bandwidth are from the PRB0 to the PRB30, and the PRB31 is a first frequency domain resource location that is not allocated to other network slices in the target cell bandwidth. The frequency domain resource starting position corresponding to the network slice with the bandwidth equal to the preset bandwidth is PRB31, that is, the default starting position is PRB 31.
For example, the preset allocation manner in the embodiment of the present application may be an allocation manner related to a bandwidth of a network slice. For example, the preset allocation manner in this embodiment may be a first allocation manner, a second allocation manner, a third allocation manner, or a fourth allocation manner, where the first allocation manner is to allocate frequency domain resources to at least one network slice one by one according to a sequence from a low bandwidth to a high bandwidth of the network slice; the second distribution mode is that according to the direction from high frequency to low frequency, frequency domain resources are distributed to at least one network slice one by one according to the sequence that the bandwidth of the network slice is from small to large; the third allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice; and the fourth allocation mode is that according to the direction from high frequency to low frequency, the frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice.
As shown in fig. 4, a schematic diagram of a resource allocation manner of a network slice according to an embodiment of the present application is provided. Assuming that there are 6 network slices required to allocate frequency domain resources, the bandwidth of the 6 network slices is shown in table 1. The communication device allocates the frequency domain resources to the 6 network slices from the same frequency domain resource starting position according to the four allocation modes. Under four different allocation modes, the allocated frequency domain resources of the 6 network slices are completely different. And because the distribution modes between two adjacent cells are completely different, the signal interference between the two adjacent cells is reduced, and the distribution rationality of the frequency domain resources of the network slice in the cells is improved.
TABLE 1
Based on the description of the allocation rule shown in fig. 4, as shown in fig. 5, fig. 6, and table 2, various allocation rules that may occur are provided in the embodiments of the present application.
TABLE 2
It should be understood that the above-mentioned ten allocation rules are only possible allocation rules provided in the embodiments of the present application, and those skilled in the art may make changes and substitutions according to actual needs, which is not limited in this respect.
S202, the communication equipment determines frequency domain resources occupied by the M network slices in the target cell according to the distribution rule corresponding to the target cell.
As a possible implementation manner, the communication device determines P network slices that satisfy the target preset condition from among the M network slices. And the communication equipment determines the frequency domain resources occupied by the P network slices in the target cell according to the distribution sub-rule corresponding to the target preset condition.
Wherein, P is a positive integer less than or equal to M, and the target preset condition is any one of a plurality of preset conditions.
For example, the target preset condition may be one of a first preset condition, a second preset condition, and a third preset condition. For example, the bandwidths of the P network slices are all greater than the preset bandwidth.
Based on the embodiment shown in fig. 2, as shown in fig. 7, a resource allocation result diagram of a network slice provided in the embodiment of the present application is shown. Assuming that 6 network slices require allocation of frequency domain resources in 3 cells, the bandwidths of the 6 network slices are shown in table 1. Suppose the cell identities of 3 cells are 000, 007, 009, respectively, and suppose N takes the value of 10, according to the formula N c ＝N ID % N, it can be determined that the allocation rule of 6 network slices in 3 cells is N c The values of (1) are 0,7 and 9, which are respectively corresponding to the distribution rules. For example, allocation rule 1, allocation rule 8, and allocation rule 10 in table 1.
Assuming that the preset bandwidth is 5PRB, the network slices meeting the first preset condition are network slices 4 and 5, the network slices meeting the second preset condition are network slices 3 and 6, and the network slices meeting the third preset condition are network slices 1 and 2. The cell identifications of the three cells are different, so that the allocation rules of the network slices determined by the cell identifications in the three cells are completely different, the occupied frequency domain resources of the network slices in different cells are different, and the signal interference between two adjacent cells is reduced.
In the technical solution provided in the embodiment of the present application, the cell identifier of the target cell is used as a basis for determining the allocation rule of the network slice in the target cell, and since the cell identifiers of two adjacent cells are different, the allocation rule of the network slice in the two adjacent cells is also different according to the difference of the cell identifiers of the target cell. The frequency domain resources occupied by the network slices in the target cell are determined according to the allocation rule of the network slices in the target cell, so that the possibility that the frequency domain resources occupied by the network slices in two adjacent cells are different is improved, and the signal interference between the two adjacent cells is reduced. Therefore, the technical scheme provided by the embodiment of the application can improve the distribution rationality of the frequency domain resources of the network slice in the cell.
Optionally, based on the embodiment shown in fig. 2, as shown in fig. 3, after step 202, the method for allocating resources to a network slice according to the embodiment of the present invention may further include the following steps:
s203, determining the unallocated frequency domain resources in the target cell.
The unallocated frequency domain resources in the target cell are frequency domain resources which are not occupied by the determined M network slices in the target cell. The communication device may allocate, according to actual requirements of other network slices, frequency domain resources to other network slices on the frequency domain resources that are not allocated in the target cell, and the other network slices may be other network slices other than the M network slices in the target cell.
Or, the communication device may also allocate frequency domain resources to other network slices on the frequency domain resources that are not allocated in the target cell according to the service types and attribute information of other network slices.
As shown in fig. 7, the frequency domain resources corresponding to the blank regions in the cell 1, the cell 2, and the cell 3 are the frequency domain resources that are not allocated in the target cell.
Therefore, the technical scheme provided by the embodiment of the application can allocate frequency domain resources with fixed bandwidth for the M network slices, and can allocate frequency domain resources for other network slices on the frequency domain resources which are not allocated in the target cell according to the requirements of the network slices, thereby further improving the reasonability of allocation of the frequency domain resources of the network slices in the cell.
In one possible design, after the resource allocation of the network slice is completed, the embodiment of the present application may further perform resource allocation on at least one user corresponding to one network slice, where the at least one user includes an edge user and/or a center user.
Alternatively, the allocation rules for edge users and center users may be based on formula N D ＝(N NS +N ID ) % N. Wherein N is D Numbers corresponding to the distribution rules of the edge users and the center users, N NS Numbering of network slices for edge and center users, N ID Is the cell identification of the target cell,% represents the remainder operation, and N is a positive integer. It can be understood that there are various ways to determine the allocation rules of the edge users and the central users, which is not limited in this application.
Illustratively, at N D In the case of an odd number, the communication device may allocate, on the frequency domain resources corresponding to the network slice, frequency domain resources to the edge user starting from the frequency domain cell corresponding to the lowest frequency of the network slice in the direction from the low frequency to the high frequency, and allocate frequency domain resources to the center user starting from the frequency domain cell corresponding to the highest frequency of the network slice in the direction from the high frequency to the low frequency.
Or, at N D In the case of even numbers, the communication device may allocate frequency domain resources to the center user starting from the frequency domain unit corresponding to the lowest frequency of the network slice in the direction from the low frequency to the high frequency, and allocate frequency domain resources to the edge user starting from the frequency domain unit corresponding to the highest frequency of the network slice in the direction from the high frequency to the low frequency.
It can be understood that, in the embodiment of the present application, the precedence rules of the edge users and the center users in the same network slice allocated in different cells are likely to be different, and the precedence rules of the edge users and the center users in different network slices allocated in the same cell are also likely to be different, so that the possibility that different users of the network slice occupy different frequency domain resources in two adjacent cells is further improved, further the signal interference between the two adjacent cells is reduced, and the rationality of the allocation of the frequency domain resources of the network slice in the cell is further improved.
It can be seen that the foregoing describes the solution provided by the embodiments of the present application primarily from a methodological perspective. To implement the above functions, it includes hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiment of the present application, the resource allocation apparatus of the network slice may perform the division of the function modules according to the method example, for example, each function module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. Optionally, the division of the modules in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Fig. 8 is a schematic structural diagram of a communication device according to an embodiment of the present application. The communication device is used for improving the reasonability of allocation of frequency domain resources in a cell by a network slice, for example, the resource allocation method for the network slice shown in fig. 2 or fig. 3 is executed, and includes: a processing module 402.
A processing module 402, configured to determine, according to a cell identifier of a target cell, an allocation rule corresponding to the target cell from multiple allocation rules, where the allocation rule is used to determine a frequency domain resource occupied by a network slice in the target cell, and M is a positive integer; and determining the frequency domain resources occupied by the M network slices in the target cell according to the distribution rule corresponding to the target cell.
In one possible design, the processing module 402 is specifically configured to: according to formula N c ＝N ID % N, determining an allocation rule corresponding to the target cell from the plurality of allocation rules; wherein N is c Allocation rules for identifying the correspondence of target cells, N ID Is the cell identification of the target cell,% represents the remainder operation, and N is a positive integer.
In one possible design, the distribution rule includes a plurality of distribution sub-rules and a plurality of preset conditions, and the plurality of distribution sub-rules correspond to the plurality of preset conditions one to one;
the processing module 402 is further specifically configured to determine P network slices meeting a target preset condition from the M network slices, where P is a positive integer less than or equal to M, and the target preset condition is any one of multiple preset conditions; and determining the frequency domain resources occupied by the P network slices in the target cell according to the distribution sub-rule corresponding to the target preset condition.
In one possible design, the plurality of preset conditions includes a first preset condition, a second preset condition, and a third preset condition; the first preset condition is that the bandwidth of the network slice is larger than a preset bandwidth; the second preset condition is that the bandwidth of the network slice is equal to the preset bandwidth; the third preset condition is that the bandwidth of the network slice is smaller than the preset bandwidth.
In one possible design, the allocation sub-rule is configured to allocate, from a preset frequency domain resource start position, frequency domain resources in a preset allocation manner, to one or more network slices that meet a preset condition corresponding to the allocation sub-rule, where the preset allocation manner is a first allocation manner, a second allocation manner, a third allocation manner, or a fourth allocation manner; the first allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from small bandwidth to large bandwidth of the network slice; the second distribution mode is that according to the direction from high frequency to low frequency, frequency domain resources are distributed to at least one network slice one by one according to the sequence from small bandwidth to large bandwidth of the network slice; the third allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice; and the fourth allocation mode is that according to the direction from high frequency to low frequency, the frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice.
Optionally, the communication apparatus may further include a communication module 401, and the communication module 401 is used for the communication apparatus to communicate with other devices or networks. For example, the communication device may transmit the second frequency domain resource occupied by the network slice to the base station through the communication module.
As shown in fig. 9, another possible structural schematic diagram of a communication device provided in an embodiment of the present application includes: a processor 502 and a bus 504. Optionally, the communication device may further include a memory 501 and a communication interface 503.
A processor 502 for controlling and managing the actions of the communication device, e.g., performing the steps performed by the processing module 402 described above, and/or other processes for performing the techniques described herein.
A communication interface 503 for enabling the communication apparatus to communicate with other network devices, for example, in conjunction with the processor 502 to perform the steps performed by the processing module 402 described above, and/or to perform other processes for the techniques described herein.
The processor 502 described above may be implemented or performed with the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may be a central processing unit, general purpose processor, digital signal processor, application specific integrated circuit, field programmable gate array or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, among others.
The memory 501 is used to store program codes and data of the communication apparatus. The memory 501 may be a memory in a communication device, which may include a volatile memory, such as a random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
The bus 504 may be an Extended Industry Standard Architecture (EISA) bus or the like. The bus 504 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 9, but this does not indicate only one bus or one type of bus.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions. For the specific working processes of the system, the apparatus, and the module described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not repeated here.
The embodiment of the application also provides a computer readable storage medium. All or part of the processes in the above method embodiments may be performed by computer instructions to instruct related hardware, and the program may be stored in the above computer-readable storage medium, and when executed, may include the processes in the above method embodiments. The computer readable storage medium may be an internal storage unit of the communication device of any of the foregoing embodiments, such as a hard disk or a memory of the communication device. The computer readable storage medium may also be an external storage device of the communication apparatus, such as a plug-in hard disk, a Smart Memory Card (SMC), a Secure Digital (SD) card, a flash memory card (flash card), or the like, provided on the communication apparatus. Further, the computer-readable storage medium may include both an internal storage unit and an external storage device of the communication apparatus. The computer-readable storage medium stores the computer program and other programs and data required by the communication apparatus. The above-described computer-readable storage medium may also be used to temporarily store data that has been output or is to be output.
Embodiments of the present application further provide a computer program product, which includes a computer program and when the computer program product runs on a computer, the computer is caused to execute the steps of the resource allocation method for network slices in the embodiments shown in fig. 2 or fig. 3.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A method for resource allocation of a network slice, the method comprising:
determining an allocation rule corresponding to a target cell from a plurality of allocation rules according to a cell identifier of the target cell, wherein the allocation rule is used for determining frequency domain resources occupied by a network slice in the target cell;
determining frequency domain resources occupied by M network slices in the target cell according to a distribution rule corresponding to the target cell, wherein M is a positive integer;
the determining, according to the cell identifier of the target cell, an allocation rule corresponding to the target cell from among a plurality of allocation rules includes:
according to formula N c ＝N ID % N, determining an allocation rule corresponding to the target cell from a plurality of allocation rules; wherein, N c Allocation rules, N, for identifying the correspondence of the target cells ID Is the cell of the target cellArea identification,% represents the operation of complementation, and N is a positive integer.
2. The method according to claim 1, wherein the allocation rule comprises a plurality of allocation sub-rules and a plurality of preset conditions, and the allocation sub-rules are in one-to-one correspondence with the preset conditions;
the determining, according to the allocation rule corresponding to the target cell, the frequency domain resources occupied by the M network slices in the target cell includes:
determining P network slices meeting a target preset condition from the M network slices, wherein P is a positive integer less than or equal to M, and the target preset condition is any one of the preset conditions;
and determining the frequency domain resources occupied by the P network slices in the target cell according to the distribution sub-rule corresponding to the target preset condition.
3. The method of claim 2, wherein the plurality of preset conditions comprises a first preset condition, a second preset condition and a third preset condition; the first preset condition is that the bandwidth of the network slice is greater than a preset bandwidth; the second preset condition is that the bandwidth of the network slice is equal to the preset bandwidth; the third preset condition is that the bandwidth of the network slice is smaller than the preset bandwidth.
4. The method according to claim 2, wherein the allocation sub-rule is configured to allocate, from a preset frequency domain resource start position, frequency domain resources according to a preset allocation manner, the one or more network slices that meet a preset condition corresponding to the allocation sub-rule, where the preset allocation manner is a first allocation manner, a second allocation manner, a third allocation manner, or a fourth allocation manner; the first allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from small bandwidth to large bandwidth of the network slice; the second allocation mode is that according to the direction from high frequency to low frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence that the bandwidth of the network slice is from small to large; the third allocation mode is that according to the direction from low frequency to high frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice; and the fourth allocation mode is that according to the direction from high frequency to low frequency, frequency domain resources are allocated to at least one network slice one by one according to the sequence from large bandwidth to small bandwidth of the network slice.
5. A communications apparatus, the apparatus comprising: a processing module;
the processing module is configured to determine, according to a cell identifier of a target cell, an allocation rule corresponding to the target cell from multiple allocation rules, where the allocation rule is used to determine a frequency domain resource occupied by a network slice in the target cell, and M is a positive integer; determining frequency domain resources occupied by the M network slices in the target cell according to the allocation rule corresponding to the target cell;
the processing module is specifically configured to perform the following operation according to formula N c ＝N ID % N, determining an allocation rule corresponding to the target cell from a plurality of allocation rules; wherein N is c Allocation rules, N, for identifying the correspondence of the target cells ID And the percentage represents the complementation operation for the cell identification of the target cell, and N is a positive integer.
6. The apparatus according to claim 5, wherein the allocation rule comprises a plurality of allocation sub-rules and a plurality of preset conditions, and the allocation sub-rules are in one-to-one correspondence with the preset conditions;
the processing module is further specifically configured to determine, from the M network slices, P network slices that meet a target preset condition, where P is a positive integer less than or equal to M, and the target preset condition is any one of the preset conditions; and determining the frequency domain resources occupied by the P network slices in the target cell according to the distribution sub-rule corresponding to the target preset condition.
7. A communication apparatus, comprising a processor configured to perform the processing operations of the method of any one of claims 1 to 4 and a communication interface configured to communicate with other devices or networks.
8. A computer-readable storage medium having stored thereon computer instructions which, when executed, implement the method of any one of claims 1-4.
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| AU2018435332A1 (en) * | 2018-08-03 | 2021-03-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Resource allocation method, terminal device, and network device |
| EP3864883B1 (en) * | 2018-10-11 | 2023-03-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Providing service using network slicing |
| CN111417123B (en) * | 2019-01-08 | 2022-12-16 | 中国移动通信有限公司研究院 | Resource allocation and data receiving and transmitting method, device, system, medium and equipment |
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