CN110913487B - Resource allocation method, device, base station and storage medium - Google Patents
Resource allocation method, device, base station and storage medium Download PDFInfo
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- CN110913487B CN110913487B CN201911141483.6A CN201911141483A CN110913487B CN 110913487 B CN110913487 B CN 110913487B CN 201911141483 A CN201911141483 A CN 201911141483A CN 110913487 B CN110913487 B CN 110913487B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
Abstract
The application relates to a resource allocation method, a device, a base station and a storage medium, wherein the base station acquires an uplink bandwidth segment BWP occupied by user equipment; then, according to the number of users currently accessing the base station and a first resource range occupied by the BWP, determining pre-allocated resources in the BWP; wherein the first resource range corresponds to BWP; and finally, allocating target resources for the user equipment based on the pre-allocated resources. By adopting the method, the rationality of resource allocation can be improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a resource allocation method, apparatus, base station, and storage medium.
Background
With the rapid popularization of mobile networks and mobile terminal intelligence, mobile networks have spread in every corner of human social life, users have further expectations for mobile communication, and the requirements for application diversification, service quality and business experience are increasing day by day. However, because resources of the mobile communication system are limited, and various radio access technologies and various multimedia data services are integrated, how to reasonably and effectively allocate and schedule radio resources in a complex and variable communication environment, meeting the increasing service demands of people becomes a key issue to be solved in the field of mobile communication.
In the prior art, a base station may schedule resources for a user equipment according to an indication such as service quality, and when the user equipment occupies multiple uplink bandwidth segments, the base station configures the same number of resources for the user equipment in each uplink bandwidth segment.
However, by using the above method, the base station cannot adapt to the differentiated requirements of different uplink bandwidth segments on resources, which results in unreasonable resource allocation.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a resource allocation method, apparatus, base station and storage medium for solving the above technical problems.
A method for resource allocation, the method comprising:
acquiring an uplink bandwidth segment BWP occupied by user equipment;
determining pre-allocated resources in the BWP according to the number of users currently accessing the base station and a first resource range occupied by the BWP; the first resource range corresponds to BWP;
and allocating target resources for the user equipment based on the pre-allocated resources.
In one embodiment, the above user equipment occupies multiple BWPs, and determining the pre-allocated resources in the BWPs according to the number of users currently accessing the base station and the first resource range occupied by the BWPs includes:
sequentially determining whether the subcarrier interval of the current BWP is the same as the subcarrier intervals of other BWPs positioned before the current BWP according to the arrangement position of each BWP;
if yes, determining the pre-allocated resources of the current BWP according to the first resource range, a second resource range occupied by other BWPs and the number of users;
if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
In one embodiment, the determining the pre-allocated resource of the current BWP according to the first resource range, the second resource range occupied by other BWPs, and the number of users includes:
determining whether an overlapping area exists between the first resource range and the second resource range;
if yes, determining the pre-allocated resources of the current BWP according to the overlapping area and the number of users;
if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
In one embodiment, if the first resource range overlaps with the plurality of second resource ranges, the overlapping area is an area with a largest overlapping area.
In one embodiment, the determining the pre-allocated resource of the current BWP according to the overlapping area and the number of users includes:
determining whether the available resources in the overlap region satisfy the resource requirements of the user device in the current BWP;
if yes, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP in the overlapping area;
if not, searching the first idle resource at the position adjacent to the overlapping area in the first resource range, and determining the available resource and the first idle resource in the overlapping area as the pre-allocated resource of the current BWP.
In one embodiment, after determining the pre-allocated resource of the current BWP according to the overlapping area and the number of users, the method further includes:
and if the pre-allocated resources of other BWPs are not in the overlapping area, updating the pre-allocated resources of other BWPs.
In one embodiment, the updating the pre-allocated resources of the other BWPs includes:
determining whether the available resources in the overlapping region satisfy resource requirements of the user equipment in other BWPs;
if yes, updating the pre-allocated resources of other BWPs into the pre-allocated resources of the current BWP;
if not, searching a second idle resource at a position adjacent to the overlapping area in the second resource range, and determining the available resource and the second idle resource in the overlapping area as the pre-allocated resource of other BWPs.
In one embodiment, the allocating target resources for the user equipment based on the pre-allocated resources includes:
according to the position of the distributed user resources in the resource pool, clustering the user resources by a clustering algorithm to obtain at least one resource cluster;
and determining the target resource of the user equipment according to the pre-allocated resource and the position relation of the resource cluster.
In one embodiment, the determining the target resource of the user equipment according to the pre-allocated resource and the location relationship of the resource cluster includes:
if the pre-allocated resources are completely contained in the resource cluster or have no intersection with the resource cluster, determining the pre-allocated resources as target resources of the user equipment;
if part of the pre-allocated resources are contained in the resource cluster, adjusting another part of the pre-allocated resources distributed outside the resource cluster, and determining the part of the resources and the adjusted another part of the resources as target resources.
In one embodiment, the adjusting another part of the pre-allocated resources distributed outside the resource cluster includes:
if the available resources in the resource cluster are larger than or equal to the other part of resources, replacing the other part of resources with the corresponding available resources in the resource cluster;
if the available resource in the resource cluster is smaller than the other part of resources, searching a third free resource in the BWP corresponding to the pre-allocated resource and at a position adjacent to the resource cluster, and replacing the other part of resources with the third free resource.
In one embodiment, the clustering algorithm includes at least one of a K-means clustering algorithm, a mean shift algorithm, and a gaussian maximum expectation algorithm.
An apparatus for allocating resources, the apparatus comprising:
an obtaining module, configured to obtain an uplink bandwidth segment BWP occupied by a user equipment;
a determining module, configured to determine pre-allocated resources in the BWP according to the number of users currently accessing the base station and a first resource range occupied by the BWP; the first resource scope corresponds to BWP;
and the allocation module is used for allocating target resources for the user equipment based on the pre-allocated resources.
A base station comprises a memory and a processor, the memory stores computer programs, and the processor realizes the steps of the resource allocation method when executing the computer programs.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned resource allocation method.
According to the resource allocation method, the resource allocation device, the base station and the storage medium, the base station acquires the uplink bandwidth segment BWP occupied by the user equipment; then, according to the number of users currently accessing the base station and a first resource range occupied by the BWP, determining pre-allocated resources in the BWP; wherein the first resource range corresponds to BWP; and finally, allocating target resources for the user equipment based on the pre-allocated resources. Because the first resource ranges occupied by the BWPs at different times are different, the base station may allocate different amounts of pre-allocated resources to different BWPs according to the number of users and the first resource range; further, the base station allocates the target resource to the user equipment according to the pre-allocated resource in the BWP, so that the allocated resource can adapt to the differentiated requirements of the BWP, and the resource allocation rationality is improved.
Drawings
FIG. 1 is a diagram of an exemplary environment in which a method for allocating resources may be implemented;
FIG. 2 is a flow diagram illustrating a method for resource allocation in one embodiment;
FIG. 3 is a flow chart illustrating a resource allocation method according to another embodiment;
FIG. 4 is a flowchart illustrating a resource allocation method according to another embodiment;
FIG. 5 is a diagram illustrating a resource allocation method according to an embodiment;
FIG. 6 is a diagram of a resource allocation method according to another embodiment;
FIG. 7 is a flowchart illustrating a resource allocation method according to another embodiment;
FIG. 8 is a diagram of a resource allocation method according to another embodiment;
FIG. 9 is a flowchart illustrating a resource allocation method according to another embodiment;
FIG. 10 is a block diagram showing the structure of a resource allocation apparatus according to an embodiment;
FIG. 11 is a block diagram showing the construction of a resource allocation apparatus according to another embodiment;
FIG. 12 is a block diagram showing the construction of a resource allocation apparatus according to another embodiment;
FIG. 13 is a block diagram showing the construction of a resource allocation apparatus according to another embodiment;
FIG. 14 is a block diagram showing the construction of a resource allocation apparatus according to another embodiment;
FIG. 15 is a block diagram showing the construction of a resource allocation apparatus according to another embodiment;
fig. 16 is an internal structural diagram of a base station in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
The resource allocation method provided by the present application can be applied to the application environment shown in fig. 1, where the base station 100 is in communication connection with the terminal device 200. The terminal 200 may be, but not limited to, various personal computers, notebook computers, smart phones, tablet computers, portable wearable devices, and the like. The Base Station may be, but not limited to, a macro Base Station, a micro Base Station, a small Base Station, and other types of Base Station devices, and may be a Base Transceiver Station (BTS) in Global System for Mobile communication (GSM) or Code Division Multiple Access (CDMA), a Base Station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), an evolved Node B (eNB, eNodeB) in LTE, a relay Station, an Access point, a Base Station in a future 5G network, a Customer Premise Equipment (CPE), and the like, and is not limited herein.
In an embodiment, as shown in fig. 2, a resource allocation method is provided, which is described by taking the application of the method to the base station 100 in fig. 1 as an example, and includes:
s101, acquiring an uplink bandwidth paragraph BWP occupied by user equipment.
The user equipment may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, portable wearable devices, and the like.
The uplink Bandwidth segment (BWP for short) refers to the working Bandwidth of the ue and corresponds to a specific carrier and a parameter set of characteristics. The user equipment can occupy one BWP or a plurality of BWPs; the user equipment may activate one of the BWPs while communicating with the base station and receive and transmit information within the range of the activated BWP. The user equipment can reduce the power consumption by switching among the BWPs with different bandwidth sizes, and can also optimize resources by switching different BWPs according to traffic demands, thereby reducing the interference among systems.
The base station may obtain the BWP supported by the user equipment through an access request of the user equipment. Specifically, the base station may obtain the BWP occupied by all the user equipments currently accessing the base station through the BWP occupied by the current user equipment, which is not limited herein.
S102, determining pre-allocated resources in BWP according to the number of users currently accessing a base station and a first resource range occupied by BWP; the first resource range corresponds to BWP.
The number of users currently accessing the base station may be the total number of users currently accessing the base station, or may be the number of user equipments occupying the BWP in the number of users currently accessing the base station, which is not limited herein.
After acquiring the BWP occupied by the user equipment, the base station may obtain a first resource range of the BWP according to a starting location and a resource number corresponding to the BWP.
Further, the base station may determine the pre-allocated resources in BWP based on the number of users and the first resource range. Specifically, the base station may perform average allocation on resources in the first resource range according to the number of users, determine the number of resources that may be occupied by the user equipment, and then determine the resources as pre-allocated resources of the user equipment in BWP; in addition, the base station may also preset a corresponding relationship between an interval range of the number of users and pre-allocated resources, and obtain a resource number corresponding to the interval range according to the interval range of the number of users currently accessing the base station, and determine the resource corresponding to the resource number as the pre-allocated resource in the BWP; the determination method of the pre-allocated resources is not limited herein.
And S103, distributing target resources for the user equipment based on the pre-distributed resources.
On the basis of the above steps, after the base station obtains the pre-allocated resources of the user equipment in BWP, the target resources of the user equipment can be determined based on the pre-allocated resources. Specifically, the base station may directly determine the pre-allocated resources corresponding to the BWPs of the ue as the target resources of the ue, or may integrate the pre-allocated resources corresponding to the BWPs and determine the integrated resources as the target resources, where the determination method of the target resources is not limited herein.
In the resource allocation method, the base station acquires an uplink bandwidth segment BWP occupied by the user equipment; then, according to the number of users currently accessing the base station and a first resource range occupied by the BWP, determining pre-allocated resources in the BWP; wherein the first resource range corresponds to BWP; and finally, allocating target resources for the user equipment based on the pre-allocated resources. Because the first resource ranges occupied by the BWPs at different times are different, the base station may allocate different amounts of pre-allocated resources to different BWPs according to the number of users and the first resource range; furthermore, the base station allocates the target resource to the user equipment according to the pre-allocated resource in the BWP, so that the allocated resource can adapt to the differential requirements of the BWP, and the rationality of resource allocation is improved.
Fig. 3 is a flowchart of a resource allocation method in another embodiment, where the present embodiment relates to a manner in which a base station determines pre-allocated resources in a BWP, and a user equipment occupies multiple BWPs, and based on the foregoing embodiment, as shown in fig. 3, the foregoing S102 includes:
s201, sequentially determining whether the subcarrier spacing of the current BWP is the same as the subcarrier spacing of other BWPs located before the current BWP according to the arrangement position of each BWP.
When the user equipment occupies multiple BWPs, the base station may rank the BWPs according to their corresponding frequency ranges, and then sequentially determine the pre-allocated resources in the BWPs according to the ranking positions. When determining the pre-allocated resources in the first BWP, the base station may determine the pre-allocated resources in the BWP according to the number of users and the first resource range, for example, determine the pre-allocated resources in the BWP by performing average allocation on the resources in the first resource range according to the number of users.
The base station may first determine whether the subcarrier spacing of the current BWP is the same as the subcarrier spacing of other BWPs located before the current BWP when determining the pre-allocated resources occupied by each BWP after the first BWP. The other BWPs may be BWPs adjacent to the current BWP or all BWPs before the current BWP, which is not limited herein.
For example, the base station, upon determining the pre-allocated resources occupied by the second BWP, may determine whether the subcarrier spacing of the second BWP is the same as the subcarrier spacing of the first BWP; in determining the pre-allocated resources occupied by the third BWP, it may be determined whether the subcarrier spacing of the third BWP is the same as the subcarrier spacing of the second BWP, or the same as the subcarrier spacing of the first BWP and the second BWP, respectively.
S202, if yes, determining the pre-allocated resources of the current BWP according to the first resource range, the second resource range occupied by other BWPs and the number of users.
If the subcarrier interval of the current BWP is the same as the subcarrier intervals of other BWPs, the base station considers that the current BWP and other BWPs can jointly occupy the pre-allocated resource, that is, the pre-allocated resource can be called when the user equipment activates the current BWP, or when the user equipment activates other BWPs.
The base station may determine the pre-allocated resources of the current BWP according to the first resource range, the second resource range occupied by other BWPs, and the number of users, for example, the base station may determine the pre-allocated resources of the current BWP according to the number of users in an area where the first resource range overlaps with the second resource range.
Optionally, the base station may first determine whether there is an overlapping area between the first resource range and the second resource range; if yes, determining the pre-allocated resources of the current BWP according to the overlapping area and the number of users; if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
If the first resource range overlaps with the second resource ranges of previous BWPs, the base station may randomly select an overlap area at multiple overlap portions to determine the pre-allocated resource of the current BWP; the region having the largest overlapping area may be determined as the overlapping region based on the area of the overlapping portion.
S203, if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
If the subcarrier spacing of the current BWP is not the same as the subcarrier spacing of the other BWPs, the base station considers that the current BWP and the other BWPs may not jointly occupy the pre-allocated resources, and the base station may determine the resources matching the number of users as the pre-allocated resources of the current BWP in the first resource range of the current BWP.
In the resource allocation method, the base station determines the pre-allocated resource of the current BWP according to the first resource range and the second resource range under the condition that the current BWP and other BWP subcarrier intervals are the same, so that the rationality of resource allocation can be further improved; further, the base station determines the pre-allocated resources in the overlapping area of the first resource range and the second resource range, so that the utilization rate of the resources can be improved.
Fig. 4 is a flowchart of a resource allocation method in another embodiment, where this embodiment relates to a way for a base station to determine a pre-allocated resource in BWP in an overlapping area, and on the basis of the above embodiment, as shown in fig. 5, it includes:
s301, determining whether the available resources in the overlapping area meet the resource requirement of the user equipment in the current BWP.
When the base station determines to pre-allocate resources in the overlapping region of the first resource range and the second resource range, it may first determine whether the available resources in the overlapping region can meet the requirement of the user equipment. Specifically, the base station may obtain the minimum number of resources required in the current BWP according to the access request of the user equipment, search for free available resources in the overlapping area, and then determine whether the available resources are greater than the minimum number of resources.
S302, if yes, in the overlapping area, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
If more resources are available in the overlap area to satisfy the resource requirement of the ue in the current BWP, the base station may determine the pre-allocated resources of the current BWP according to the number of users in the overlap area.
S303, if not, searching a first idle resource in the first resource range at a position adjacent to the overlapping area, and determining the available resource and the first idle resource in the overlapping area as the pre-allocated resource of the current BWP.
If the available resources in the overlap area are less and cannot meet the resource requirement of the user equipment in the current BWP, the base station may allocate the available resources in the overlap area to the user equipment, then search for a first free resource in a first resource range of the current BWP at a position adjacent to the overlap area, and then determine the available resources and the first free resources as the pre-allocated resources of the current BWP.
Taking fig. 5 as an example, the area a is an overlapping area of a first resource range of the current BWP and second resource ranges of other BWPs, and the available resource B in the area a cannot meet the resource requirement of the user equipment in the current BWP; the base station searches for a first free resource C at a position where the first resource range is adjacent to the overlap area, and then determines the available resource B and the first free resource C as the pre-allocated resource of the current BWP.
In the resource allocation method, the base station determines whether the available resources in the overlapping area meet the resource requirement of the user equipment in the current BWP, so that the resource allocation is more reasonable; further, the base station can make the pre-allocated resource more compact by searching the first idle resource.
In one embodiment, the base station may further adjust the pre-allocated resources of the other BWPs after determining the pre-allocated resources of the current BWP in an overlapping area of the first resource range of the current BWP and the second resource ranges of the other BWPs according to the arrangement position of the BWPs.
The base station may first determine whether the pre-allocated resources of other BWPs are in the overlapping region, and if the pre-allocated resources of other BWPs are in the overlapping region, the base station does not need to adjust the determined pre-allocated resources of other BWPs; and if the pre-allocated resources of other BWPs are not in the overlapping area, updating the pre-allocated resources of other BWPs.
Specifically, when updating the pre-allocated resources of other BWPs, the base station may directly update the pre-allocated resources of other BWPs to the pre-allocated resources of the current BWP.
Optionally, the base station may first determine whether the available resources in the overlapping area satisfy the resource requirements of the user equipment in other BWPs; if yes, updating the pre-allocated resources of other BWPs into the pre-allocated resources of the current BWP; if not, searching a second idle resource at a position adjacent to the overlapping area in the second resource range, and determining the available resource and the second idle resource in the overlapping area as the pre-allocated resources of other BWPs.
Taking fig. 6 as an example, the area a is an overlapping area of the first resource range of the current BWP and the second resource ranges of other BWPs, and after the base station determines that the available resource B in the area a is the pre-allocated resource of the current BWP, it determines that the pre-allocated resource D allocated by the base station for other BWPs is not in the area a, and then the base station may adjust the pre-allocated resource of other BWPs. Further, the base station determines that the available resource B cannot meet the resource requirement of the user equipment in other BWPs, then searches the second resource range for a second free resource E, and determines the available resource B and the second free resource E as pre-allocated resources of other BWPs.
The resource allocation method can make the current BWP and other BWPs share the resource by adjusting the pre-allocated resource of a plurality of other BWPs by the base station, thereby improving the utilization efficiency of the resource, further making the base station access more user equipment and increasing the user capacity of the base station.
Fig. 7 is a schematic flowchart of a resource allocation method in another embodiment, which relates to a manner of determining a target resource by a base station in this embodiment, and based on the foregoing embodiment, as shown in fig. 6, the foregoing S103 includes:
s401, according to the position of the distributed user resource in the resource pool, clustering the user resource through a clustering algorithm to obtain at least one resource cluster.
Specifically, when determining the target resource of the current user according to the pre-allocated resource of each BWP, the base station may obtain the positions of the user resources allocated to other users in the resource pool, and then partition the user resources into clusters by using a clustering algorithm to obtain at least one resource cluster.
The allocated user resources may be resources allocated by the base station to the user equipment within a preset time duration, or resources allocated by the base station to a preset number of user equipments before the current user may be obtained according to a preset number, for example, the current user equipment is an nth user equipment, and the preset number is M, so that the base station may obtain a resource cluster according to resources of an nth-M user to an nth-1 user.
The resource cluster refers to an area in an allocated resource set in a resource pool, and includes an allocated user resource, and may also include an idle resource and a pre-allocated resource determined for a current user equipment.
The clustering algorithm may include at least one of a mean clustering algorithm, a mean shift algorithm, and a gaussian maximum expectation algorithm.
S402, determining target resources of the user equipment according to the pre-allocated resources and the position relation of the resource clusters.
Further, the base station may obtain a positional relationship between the pre-allocated resource of the current BWP and each resource cluster, where the positional relationship may include that the pre-allocated resource is included in the resource cluster, that the pre-allocated resource is not intersected with the resource cluster, and that part of the pre-allocated resource is included in the resource cluster.
When the base station determines the target resource of the user equipment according to the position relationship, the pre-allocated resource of the current user equipment can be adjusted according to the position relationship, so that the resource allocated to each user equipment is more compact, and resource fragments are avoided.
Specifically, if the pre-allocated resource is completely contained in the resource cluster or does not have intersection with the resource cluster, determining the pre-allocated resource as a target resource of the user equipment; if part of the pre-allocated resources are contained in the resource cluster, adjusting another part of the pre-allocated resources distributed outside the resource cluster, and determining the part of the resources and the adjusted another part of the resources as target resources. For example, the base station may search for available resources in the resource cluster and adjust another portion of the resources to be within the resource cluster.
Specifically, when the base station adjusts another part of the pre-allocated resources distributed outside the resource cluster, it may first determine whether the available resources in the resource cluster are greater than the other part of the pre-allocated resources. If the available resources in the resource cluster are larger than or equal to the other part of resources, replacing the other part of resources with the corresponding available resources in the resource cluster; if the available resource in the resource cluster is smaller than the other part of resources, searching a third free resource in the BWP corresponding to the pre-allocated resource and at a position adjacent to the resource cluster, and replacing the other part of resources with the third free resource.
Taking fig. 8 as an example, the region P is a resource cluster formed by allocated resources, the pre-allocated resource Q of one BWP of the current ue partially intersects with the region P, a part of the resource Q1 in the pre-allocated resource Q is in the region P, and another part of the resource Q2 is outside the region P; the base station may search for the available resource M in the region P, and determine that the available resource M is smaller than Q2, and further search for a third idle resource N in a position adjacent to the resource cluster P in the first resource range of the BWP corresponding to the pre-allocated resource Q, and replace another part of the resource Q2 with the third idle resource N.
According to the resource allocation method, the base station adjusts the allocable resources and determines the target resources through the position relation between the pre-allocated resources and the resource clusters, so that the positions of the target resources and the allocated resources are more compact, the generation of fragment resources is avoided, and the resource utilization rate is improved.
In one embodiment, as shown in fig. 9, there is provided a resource allocation method, including:
s501, acquiring an uplink bandwidth segment BWP occupied by user equipment;
s502, sequentially determining whether the subcarrier interval of the current BWP is the same as the subcarrier intervals of other BWPs before the current BWP according to the arrangement position of each BWP; if yes, executing S503, otherwise executing S509;
s503, determining whether the first resource range and the second resource range have an overlapping area; if yes, executing S504, if no, executing S509;
s504, determining whether the overlapping area is unique; if not, executing S505, if yes, executing S506;
s505, determining the region with the largest overlapping area as an overlapping region, and then executing S506;
s506, determining whether the available resources in the overlapping area meet the resource requirement of the user equipment in the current BWP; if yes, executing S507, otherwise executing S508;
s507, in the overlapping area, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP; then executing S510;
s508, searching a first idle resource at a position adjacent to the overlapping area in the first resource range, and determining the available resource and the first idle resource in the overlapping area as the pre-allocated resource of the current BWP; then, S510 is performed;
s509, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP;
s510, judging that the pre-allocated resources of other BWPs are not in an overlapping area; if yes, executing S514, otherwise executing S511;
s511, determining whether the available resources in the overlapping area meet the resource requirements of the user equipment in other BWPs; if yes, go to S512; if not, go to S513;
s512, updating the pre-allocated resources of other BWPs into the pre-allocated resources of the current BWP; then, S514 is executed;
s513, searching a second idle resource at a position adjacent to the overlapping area in the second resource range, and determining the available resource and the second idle resource in the overlapping area as pre-allocated resources of other BWPs; then, S514 is executed;
s514, according to the position of the distributed user resources in the resource pool, dividing the user resources into clusters through a clustering algorithm to obtain at least one resource cluster; if the pre-allocated resource is completely contained in the resource cluster or does not intersect with the resource cluster, executing S515; if part of the pre-allocated resources are included in the resource cluster, executing S516;
s515, determining the pre-allocated resources as target resources of the user equipment, and then ending the process;
s516, determining whether the available resources in the resource cluster are more than or equal to the other part of resources, if so, executing S517, and if not, executing S518;
s517, replacing the corresponding available resource in the resource cluster with another part of resource, and then executing S519;
s518, searching a third idle resource in the BWP corresponding to the pre-allocated resource and at a position adjacent to the resource cluster, and replacing the third idle resource with another part of resources; then, S519 is executed;
and S519, determining the partial resource and the other adjusted partial resource as a target resource.
The implementation principle and technical effect of the resource allocation method are similar to those of the embodiments, and are not described herein again.
It should be understood that although the various steps in the flow charts in fig. 2-9 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-9 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed alternately or alternatingly with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 10, there is provided a resource allocation apparatus, including: an obtaining module 10, a determining module 20 and an assigning module 30, wherein:
an obtaining module 10, configured to obtain an uplink bandwidth segment BWP occupied by a user equipment;
a determining module 20, configured to determine pre-allocated resources in BWP according to the number of users currently accessing the base station and a first resource range occupied by the BWP; the first resource range corresponds to BWP;
an allocating module 30, configured to allocate the target resource for the user equipment based on the pre-allocated resource.
The resource allocation apparatus provided in the embodiment of the present application can implement the method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
In an embodiment, based on the above embodiment, as shown in fig. 11, the user equipment occupies a plurality of BWPs, and the determining module 20 includes:
a determining unit 201, configured to sequentially determine whether the subcarrier spacing of the current BWP is the same as the subcarrier spacing of other BWPs located before the current BWP according to the arrangement position of each BWP;
a first pre-allocation unit 202, configured to determine pre-allocated resources of the current BWP according to the first resource range, the second resource range occupied by other BWPs, and the number of users when the subcarrier intervals are the same;
a second pre-allocation unit 203, configured to determine, in the first resource range, a resource that matches the number of users as a pre-allocated resource of the current BWP when the subcarrier intervals are different.
In an embodiment, on the basis of the above embodiment, as shown in fig. 12, the first pre-allocation unit 202 includes:
a determining subunit 2021, configured to determine whether there is an overlapping area between the first resource range and the second resource range;
a first pre-allocation subunit 2022, configured to determine, when there is an overlapping area, a pre-allocated resource of the current BWP according to the overlapping area and the number of users;
a second pre-allocation subunit 2023, configured to determine, in the first resource range, a resource that matches the number of users as a pre-allocated resource of the current BWP when there is no overlapping area.
In one embodiment, based on the above embodiments, if the first resource range overlaps with the plurality of second resource ranges, the overlapping area is the area with the largest overlapping area.
In an embodiment, on the basis of the above embodiments, the first pre-allocation subunit 2022 is specifically configured to: determining whether the available resources in the overlap region satisfy the resource requirements of the user device in the current BWP; if yes, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP in the overlapping area; if not, searching a first idle resource at a position adjacent to the overlapping area in the first resource range, and determining the available resource and the first idle resource in the overlapping area as the pre-allocated resource of the current BWP.
In an embodiment, on the basis of the above embodiment, as shown in fig. 13, the first pre-allocation unit 202 further includes an update subunit 2024, configured to: and updating the pre-allocated resources of other BWPs when the pre-allocated resources of other BWPs are not in the overlapping area.
In an embodiment, on the basis of the above embodiment, the update subunit 2023 is specifically configured to: determining whether the available resources in the overlap region satisfy resource requirements of the user device in other BWPs; if yes, updating the pre-allocated resources of other BWPs into the pre-allocated resources of the current BWP; if not, searching a second idle resource at a position adjacent to the overlapping area in the second resource range, and determining the available resource and the second idle resource in the overlapping area as the pre-allocated resources of other BWPs.
In one embodiment, on the basis of the above-mentioned embodiment, as shown in fig. 14, the distribution module 30 includes:
a dividing unit 301, configured to divide a cluster for a user resource through a clustering algorithm according to a position of an allocated user resource in a resource pool, so as to obtain at least one resource cluster;
a target determining unit 302, configured to determine a target resource of the user equipment according to the pre-allocated resource and the location relationship of the resource cluster.
In one embodiment, based on the above-mentioned embodiment, as shown in fig. 15, the determining the target unit 302 includes:
an allocating subunit 3021, configured to determine the pre-allocated resource as a target resource of the user equipment when the pre-allocated resource is completely contained in the resource cluster or does not intersect with the resource cluster;
an adjusting subunit 3022, configured to, when a part of the pre-allocated resources is included in the resource cluster, adjust another part of the pre-allocated resources that is distributed outside the resource cluster, and determine the part of the resources and the adjusted another part of the resources as target resources.
In an embodiment, on the basis of the above embodiment, the adjusting subunit 3022 is specifically configured to: when the available resources in the resource cluster are larger than or equal to the other part of resources, replacing the other part of resources with the corresponding available resources in the resource cluster; and searching a third idle resource in the position adjacent to the resource cluster in the BWP corresponding to the pre-allocated resource, and replacing the other part of resources with the third idle resource.
In one embodiment, on the basis of the above embodiments, the clustering algorithm includes at least one of a K-means clustering algorithm, a mean shift algorithm, and a gaussian maximum expectation algorithm.
The resource allocation apparatus provided in the embodiment of the present application may implement the method embodiment, and the implementation principle and the technical effect are similar, which are not described herein again.
For specific limitations of the resource allocation apparatus, reference may be made to the above limitations on the resource allocation method, which is not described herein again. The modules in the resource allocation apparatus may be implemented in whole or in part by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent of a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a base station is provided, the internal structure of which may be as shown in fig. 16. The base station includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the base station is configured to provide computational and control capabilities. The memory of the base station comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the base station is used for storing resource allocation data. The network interface of the base station is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to implement a resource allocation method.
Those skilled in the art will appreciate that the structure shown in fig. 16 is a block diagram of only a portion of the structure relevant to the present application, and does not constitute a limitation on the base station to which the present application applies, and that a particular base station apparatus may include more or less components than those shown, or combine certain components, or have a different arrangement of components.
In one embodiment, there is provided a base station comprising a memory and a processor, the memory having stored therein a computer program, the processor when executing the computer program implementing the steps of:
acquiring an uplink bandwidth paragraph BWP occupied by user equipment;
determining pre-allocated resources in the BWP according to the number of users currently accessing the base station and a first resource range occupied by the BWP; the first resource scope corresponds to BWP;
and allocating target resources for the user equipment based on the pre-allocated resources.
In one embodiment, the user device occupies a plurality of BWPs, and the processor when executing the computer program further performs the steps of: sequentially determining whether the subcarrier interval of the current BWP is the same as the subcarrier intervals of other BWPs before the current BWP according to the arrangement position of each BWP; if yes, determining the pre-allocated resources of the current BWP according to the first resource range, the second resource range occupied by other BWPs and the number of users; if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
In one embodiment, the processor, when executing the computer program, further performs the steps of: determining whether the first resource range and the second resource range have an overlapping area; if yes, determining the pre-allocated resources of the current BWP according to the overlapping area and the number of users; if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
In one embodiment, if the first resource range overlaps with the plurality of second resource ranges, the overlapping area is an area with the largest overlapping area.
In one embodiment, the processor, when executing the computer program, further performs the steps of: determining whether the available resources in the overlap region satisfy the resource requirements of the user device in the current BWP; if yes, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP in the overlapping area; if not, searching a first idle resource at a position adjacent to the overlapping area in the first resource range, and determining the available resource and the first idle resource in the overlapping area as the pre-allocated resource of the current BWP.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and if the pre-allocated resources of other BWPs are not in the overlapping area, updating the pre-allocated resources of other BWPs.
In one embodiment, the processor, when executing the computer program, further performs the steps of: determining whether the available resources in the overlap region satisfy resource requirements of the user device in other BWPs; if yes, updating the pre-allocated resources of other BWPs into the pre-allocated resources of the current BWP; if not, searching a second idle resource at a position adjacent to the overlapping area in the second resource range, and determining the available resource and the second idle resource in the overlapping area as the pre-allocated resources of other BWPs.
In one embodiment, the processor, when executing the computer program, further performs the steps of: according to the position of the distributed user resources in the resource pool, dividing the user resources into clusters through a clustering algorithm to obtain at least one resource cluster; and determining the target resource of the user equipment according to the pre-allocated resource and the position relation of the resource cluster.
In one embodiment, the processor, when executing the computer program, further performs the steps of: if the pre-allocated resources are completely contained in the resource cluster or have no intersection with the resource cluster, determining the pre-allocated resources as target resources of the user equipment; if part of the pre-allocated resources are contained in the resource cluster, adjusting another part of the pre-allocated resources distributed outside the resource cluster, and determining the part of the resources and the adjusted another part of the resources as target resources.
In one embodiment, the processor, when executing the computer program, further performs the steps of: if the available resources in the resource cluster are larger than or equal to the other part of resources, replacing the other part of resources with the corresponding available resources in the resource cluster; and if the available resources in the resource cluster are smaller than the other part of resources, searching a third idle resource in the position adjacent to the resource cluster in the BWP corresponding to the pre-allocated resources, and replacing the other part of resources with the third idle resource.
In one embodiment, the clustering algorithm includes at least one of a K-means clustering algorithm, a mean shift algorithm, and a gaussian maximum expectation algorithm.
The implementation principle and technical effect of the computer device provided in this embodiment are similar to those of the method embodiments described above, and are not described herein again.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring an uplink bandwidth paragraph BWP occupied by user equipment;
determining pre-allocated resources in the BWP according to the number of users currently accessing the base station and a first resource range occupied by the BWP; the first resource range corresponds to BWP;
and allocating target resources for the user equipment based on the pre-allocated resources.
In one embodiment, the user device engages multiple BWPs, and the computer program when executed by the processor further performs the steps of: sequentially determining whether the subcarrier interval of the current BWP is the same as the subcarrier intervals of other BWPs positioned before the current BWP according to the arrangement position of each BWP; if yes, determining the pre-allocated resources of the current BWP according to the first resource range, a second resource range occupied by other BWPs and the number of users; if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
In one embodiment, the computer program when executed by the processor further performs the steps of: determining whether an overlapping area exists between the first resource range and the second resource range; if yes, determining the pre-allocated resources of the current BWP according to the overlapping area and the number of users; if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
In one embodiment, if the first resource range overlaps with the plurality of second resource ranges, the overlapping area is an area with the largest overlapping area.
In one embodiment, the computer program when executed by the processor further performs the steps of: determining whether the available resources in the overlap region satisfy the resource requirements of the user device in the current BWP; if yes, in the overlapping area, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP; if not, searching a first idle resource at a position adjacent to the overlapping area in the first resource range, and determining the available resource and the first idle resource in the overlapping area as the pre-allocated resource of the current BWP.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the pre-allocated resources of other BWPs are not in the overlapping area, the pre-allocated resources of other BWPs are updated.
In one embodiment, the computer program when executed by the processor further performs the steps of: determining whether the available resources in the overlap region satisfy resource requirements of the user device in other BWPs; if yes, updating the pre-allocated resources of other BWPs into the pre-allocated resources of the current BWP; if not, searching a second idle resource at a position adjacent to the overlapping area in the second resource range, and determining the available resource and the second idle resource in the overlapping area as the pre-allocated resource of other BWPs.
In one embodiment, the computer program when executed by the processor further performs the steps of: according to the position of the distributed user resources in the resource pool, clustering the user resources by a clustering algorithm to obtain at least one resource cluster; and determining the target resource of the user equipment according to the pre-allocated resource and the position relation of the resource cluster.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the pre-allocated resources are completely contained in the resource cluster or have no intersection with the resource cluster, determining the pre-allocated resources as target resources of the user equipment; if part of the pre-allocated resources are contained in the resource cluster, adjusting another part of the pre-allocated resources distributed outside the resource cluster, and determining the part of the resources and the adjusted another part of the resources as target resources.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the available resources in the resource cluster are larger than or equal to the other part of resources, replacing the other part of resources with the corresponding available resources in the resource cluster; and if the available resources in the resource cluster are smaller than the other part of resources, searching a third idle resource in the position adjacent to the resource cluster in the BWP corresponding to the pre-allocated resources, and replacing the other part of resources with the third idle resource.
In one embodiment, the clustering algorithm includes at least one of a K-means clustering algorithm, a mean shift algorithm, and a gaussian maximum expectation algorithm.
The implementation principle and technical effect of the computer-readable storage medium provided in this embodiment are similar to those of the above method embodiments, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), rambus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (14)
1. A method for resource allocation, the method comprising:
acquiring an uplink bandwidth paragraph BWP occupied by user equipment;
determining pre-allocated resources in the BWP according to the number of users currently accessing a base station and a first resource range occupied by the BWP; the first resource scope corresponds to the BWP;
and allocating target resources for the user equipment based on the pre-allocated resources.
2. The method according to claim 1, wherein the ue occupies multiple BWPs, and the determining the pre-allocated resource in the BWPs according to the number of users currently accessing the bs and the first resource range occupied by the BWPs comprises:
sequentially determining whether the subcarrier interval of the current BWP is the same as the subcarrier intervals of other BWPs positioned before the current BWP according to the arrangement position of each BWP;
if yes, determining the pre-allocated resources of the current BWP according to the first resource range, the second resource range occupied by the other BWPs and the number of users;
if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
3. The method of claim 2, wherein the determining the pre-allocated resource of the current BWP according to the first resource range, the second resource range occupied by the other BWPs, and the number of users comprises:
determining whether there is an overlapping region of the first resource scope and the second resource scope;
if yes, determining the pre-allocated resources of the current BWP according to the overlapping area and the number of the users;
if not, in the first resource range, determining the resources matched with the number of the users as the pre-allocated resources of the current BWP.
4. The method according to claim 3, wherein if the first resource range overlaps with a plurality of the second resource ranges, the overlapping area is an area with a largest overlapping area.
5. The method according to claim 3 or 4, wherein the determining the pre-allocated resource of the current BWP according to the overlap region and the number of users comprises:
determining whether available resources in the overlapping region satisfy resource requirements of the user device in the current BWP;
if yes, determining the resources matched with the number of the users in the overlapping area as the pre-allocated resources of the current BWP;
if not, searching a first idle resource in the first resource range at a position adjacent to the overlapping area, and determining the available resource in the overlapping area and the first idle resource as the pre-allocated resource of the current BWP.
6. The method of claim 5, wherein after determining the pre-allocated resource of the current BWP according to the overlap region and the number of users, the method further comprises:
and if the pre-allocated resources of the other BWPs are not in the overlapping area, updating the pre-allocated resources of the other BWPs.
7. The method according to claim 6, wherein the updating the pre-allocated resources of the other BWPs comprises:
determining whether the available resources in the overlapping region meet the resource requirements of the user device in the other BWPs;
if yes, updating the pre-allocated resources of the other BWPs into the pre-allocated resources of the current BWP;
if not, searching a second idle resource in the second resource range at a position adjacent to the overlapping area, and determining the available resource in the overlapping area and the second idle resource as the pre-allocated resource of the other BWPs.
8. The method according to any one of claims 1-4, wherein said allocating target resources for the UE based on the pre-allocated resources comprises:
according to the position of the distributed user resources in a resource pool, clustering the user resources by a clustering algorithm to obtain at least one resource cluster;
and determining the target resource of the user equipment according to the pre-allocated resource and the position relation of the resource cluster.
9. The method according to claim 8, wherein the determining the target resource of the ue according to the pre-allocated resource and the location relationship of the resource cluster comprises:
if the pre-allocated resources are completely contained in the resource cluster or do not intersect with the resource cluster, determining the pre-allocated resources as target resources of the user equipment;
if part of the pre-allocated resources are contained in the resource cluster, adjusting another part of the pre-allocated resources distributed outside the resource cluster, and determining the part of the resources and the adjusted another part of the resources as target resources.
10. The method of claim 9, wherein the adjusting another portion of the pre-allocated resources distributed outside the resource cluster comprises:
if the available resources in the resource cluster are greater than or equal to the other part of resources, replacing the other part of resources with the corresponding available resources in the resource cluster;
if the available resources in the resource cluster are smaller than the other part of resources, searching a third idle resource in a position adjacent to the resource cluster in the BWP corresponding to the pre-allocated resources, and replacing the other part of resources with the third idle resource.
11. The method of claim 8, wherein the clustering algorithm comprises at least one of a K-means clustering algorithm, a mean shift algorithm, and a gaussian maximum expectation algorithm.
12. An apparatus for resource allocation, the apparatus comprising:
an obtaining module, configured to obtain an uplink bandwidth segment BWP occupied by a user equipment;
a determining module, configured to determine a pre-allocated resource in the BWP according to the number of users currently accessing the base station and a first resource range occupied by the BWP; the first resource scope corresponds to the BWP;
and the allocation module is used for allocating target resources to the user equipment based on the pre-allocated resources.
13. A base station comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method according to any of claims 1 to 11.
14. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 11.
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