CN114786263A - Network resource scheduling method, device and storage medium - Google Patents
Network resource scheduling method, device and storage medium Download PDFInfo
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Abstract
The application provides a network resource scheduling method, a device and a storage medium, wherein the method comprises the following steps: acquiring the identification of a cell network unit to be scheduled and the average resource quantity of time-frequency resources occupied by each user terminal in the cell network unit corresponding to the identification in a preset time period, and determining the user terminal with the average resource quantity exceeding a user resource threshold value as a first adjustment user terminal; determining a first reduction user terminal with the service attribute being user time-frequency resource adjustable reduction as a second reduction user terminal based on the service attribute of a user corresponding to the user terminal; and performing time-frequency resource adjustment and reduction processing on the second adjustment and reduction user terminal, and allocating the time-frequency resource to be allocated, which is obtained after the adjustment and reduction processing, to the user terminal which is not allocated with the resource. The method solves the problem that the existing resource scheduling method is inflexible in adjustment and reduction processing of the user terminal to be adjusted and reduced.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method, an apparatus, and a storage medium for scheduling network resources.
Background
The resources of the frequencies in the wireless cellular network system are limited and important. In a cell network unit using a cell as a unit, a large number of user terminals or individual strong user terminals occupy a large number of carrier resources, which often causes a too high cell load and further causes a phenomenon that a part of user terminals cannot allocate time-frequency resources for a long time. Users whose user terminals are not allocated with the time-frequency resources cannot perform effective communication through the user terminals, such as web browsing, instant messaging software use, and the like. The user perception of users not timely allocated to the time-frequency resources is reduced, which in turn results in a reduced level of user perception for the cell network element. Among them, the time-frequency resource is a Resource Block (RB).
In order to ensure that a ue that is not allocated with a time-frequency resource can allocate the time-frequency resource in time, the prior art employs the following method to schedule the time-frequency resource of a cell network unit. Specifically, the base station monitors the network load index of the whole cell network unit, and obtains the respective average terminal rate of each user terminal in the cell network unit within a period of time after the network load index of the cell network unit exceeds a load threshold. Network load indicators such as RB utilization. And the base station determines the user terminal with the average terminal speed higher than the speed threshold value as the user terminal to be adjusted and reduced based on the average terminal speed of each user terminal, and adjusts and reduces the terminal speed of each user terminal to be adjusted and reduced. The terminal rate, for example, the bit rate of the user terminal for data transmission, is proportional to the amount of the time-frequency resources allocated to the user terminal, and therefore, the adjustment and reduction processing of the terminal rate of the user terminal is the adjustment and reduction processing of the time-frequency resources of the user terminal. After the user terminal to be adjusted and reduced is adjusted and reduced, the terminal speed is kept in a state of not exceeding a speed threshold value, and partial time frequency resources occupied by the user terminal to be adjusted and reduced are released. The released time-frequency resources are used for being allocated to the user terminals which are not allocated with the time-frequency resources, so that the user terminals which are not allocated with the time-frequency resources can be ensured to be allocated with the time-frequency resources in time.
The resource scheduling method in the prior art has the problem of inflexible adjustment and reduction processing of the user terminal to be adjusted and reduced. The inflexibility of the adjustment processing causes that the terminal rate of the user terminal which cannot adjust the time-frequency resource of the user is also adjusted and reduced, and the user perception level of the cell network unit is reduced.
Disclosure of Invention
The application provides a network resource scheduling method, a network resource scheduling device and a storage medium, which are used for solving the problem that the resource scheduling method in the prior art is inflexible in the adjustment and reduction processing of a user terminal to be adjusted and reduced.
In a first aspect, the present application provides a method for scheduling network resources, including:
acquiring an identifier of a cell network unit to be scheduled and an average resource quantity of time-frequency resources occupied by each user terminal in the cell network unit corresponding to the identifier in a preset time period, and determining the user terminal with the average resource quantity exceeding a user resource threshold value as a first reduction user terminal;
determining a first reduction user terminal with the service attribute being user time-frequency resource adjustable reduction as a second reduction user terminal based on the service attribute of a user corresponding to the user terminal;
and performing time-frequency resource adjustment and reduction processing on the second adjustment and reduction user terminal, and allocating the time-frequency resource to be allocated, which is obtained after the adjustment and reduction processing, to the user terminal which is not allocated with the resource.
Optionally, the performing, by the second reduction user terminal, time-frequency resource reduction processing, and allocating the time-frequency resource to be allocated, obtained after the reduction processing, to the user terminal to which the resource is not allocated includes:
performing time-frequency resource adjustment and reduction processing on the second adjustment and reduction user terminal to obtain time-frequency resources to be distributed;
and sequentially allocating the time-frequency resources to be allocated to each user terminal which is not allocated with the resources according to the sequence from long to short of the resource allocation waiting time of each user terminal which is not allocated with the resources.
Optionally, the sequentially allocating time-frequency resources to be allocated to each user terminal that is not allocated with resources according to the order of the resource allocation waiting time of each user terminal that is not allocated with resources from long to short includes:
determining the quantity of required resources of each user terminal which is not allocated with resources based on the data transmission request of each user terminal which is not allocated with resources;
and sequentially allocating the time-frequency resources to be allocated to each user terminal which is not allocated with the resources according to the resource quantity which is more than or equal to the required resource quantity and the sequence of the resource allocation waiting time from long to short.
Optionally, the performing, by the second adjustment and reduction user terminal, time-frequency resource adjustment and reduction processing on the second adjustment and reduction user terminal, and allocating the time-frequency resource to be allocated, obtained after the adjustment and reduction processing, to the user terminal to which the resource is not allocated includes:
and sequentially carrying out adjustment and reduction processing on each second adjustment and reduction user terminal according to the sequence from large to small of the resource difference absolute value on the basis of the resource difference absolute value of the average resource quantity of the second adjustment and reduction user terminals and the user resource threshold value, and distributing the time-frequency resources obtained after the adjustment and reduction processing to the user terminals which are not distributed with the resources.
Optionally, the performing, by the second adjustment and reduction user terminal, time-frequency resource adjustment and reduction processing on the second adjustment and reduction user terminal, and allocating the time-frequency resource to be allocated, obtained after the adjustment and reduction processing, to the user terminal to which the resource is not allocated includes:
and each pair of second reduction user terminals performs time-frequency resource reduction processing, performs time-frequency resource reduction processing on the next second reduction user terminal after the obtained time-frequency resource to be distributed is distributed, and stops the time-frequency resource reduction processing when the second reduction user terminal does not exist in the cell network unit to be scheduled or all the user terminals which are not distributed with the resource are distributed to the time-frequency resource.
Optionally, the performing, by the second reduction user equipment, time-frequency resource reduction processing includes:
and performing at least one time or multiple time frequency resource reducing treatment on each second reducing user terminal according to the quota resource quantity each time, and stopping the time frequency resource reducing treatment on the second reducing user terminal after the resource quantity of the second reducing user terminal does not exceed the user resource threshold value.
Optionally, before the obtaining of the identifier of the cell network unit to be scheduled and the average resource quantity of the time-frequency resources occupied by each user terminal in the cell network unit corresponding to the identifier within the preset time period and determining that the user terminal whose average resource quantity exceeds the user resource threshold is the first reduction user terminal, the method further includes:
at the time t2, acquiring at least one cell network element identifier of a time period from the time t1 to the time t2, and a cell resource utilization rate corresponding to the identifier; the cell resource utilization rate is the time-frequency resource utilization rate of the whole cell network unit in a preset time period;
determining whether the cell resource utilization rate exceeds a preset load threshold, and if the cell resource utilization rate exceeds the preset load threshold, determining that a cell network unit corresponding to the cell resource utilization rate is a first cell network unit;
determining whether the first cell network unit has the first reduction user terminal in the time period, and if the first cell network unit has the first reduction user terminal, determining that the first cell network unit is a second cell network unit;
determining whether the second cell network unit has a user terminal which is not allocated with resources and has the resource allocation waiting time exceeding a preset time delay threshold value at the time t2, and if determining that the second cell network unit has a user terminal which is not allocated with resources and has the resource allocation waiting time exceeding the preset time delay threshold value at the time t2, determining that the second cell network unit is a cell network unit to be scheduled;
wherein t1 is less than t2, and the time period from the time t1 to the time t2 is equal to the time period of the preset time period.
In a second aspect, the present application provides a network resource scheduling device, where the device includes: the system comprises an acquisition module, a determination module and a scheduling module; wherein,
the acquiring module is used for acquiring the identifier of the cell network unit to be scheduled and the average resource quantity of time-frequency resources occupied by each user terminal in the cell network unit corresponding to the identifier in a preset time period, and determining the user terminal with the average resource quantity exceeding a user resource threshold value as a first reduction user terminal; sending the terminal identification of the first subtracting user terminal to the determining module;
the determining module is configured to determine, based on a service attribute of a user corresponding to a terminal identifier of the first reduction user terminal, that the first reduction user terminal whose service attribute is user time-frequency resource that can be reduced is a second reduction user terminal, and send the terminal identifier of the second reduction user terminal to the scheduling module;
and the scheduling module is used for carrying out time-frequency resource reducing processing on the second reducing user terminal corresponding to the terminal identification based on the terminal identification of the second reducing user terminal, and distributing the time-frequency resource to be distributed obtained after the reducing processing to the user terminal which is not distributed with the resource.
In a third aspect, the present application provides a network resource scheduling apparatus, including:
a processor and a memory;
the memory stores executable instructions executable by the processor;
wherein execution of the executable instructions stored by the memory by the processor causes the processor to perform the method as described above.
In a fourth aspect, the present application provides a storage medium having stored therein computer-executable instructions for implementing the method as described above when executed by a processor.
According to the network resource scheduling method, the network resource scheduling device and the network resource scheduling medium, the second adjustment and reduction user terminal with the user time-frequency resource adjustable and reducible is identified from the first adjustment and reduction user terminal of the cell network unit to be scheduled, the time-frequency resource adjustment and reduction processing is carried out on the second adjustment and reduction user terminal, the obtained time-frequency resource to be distributed is distributed to the user terminal which is not distributed with the resource, on the premise that the user terminal which is not distributed with the resource can timely distribute the time-frequency resource to carry out data transmission, the adjustment and reduction processing of the first adjustment and reduction user terminal with the user time-frequency resource unadjustable and reducible by the existing resource scheduling method is avoided, and further the situation that the user perception is reduced by the first adjustment and reduction user terminal with the user time-frequency resource unadjustable and reducible is avoided. The method and the device solve the problem that the existing resource scheduling method is inflexible in adjustment and reduction processing of the user terminal to be adjusted and reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.
Fig. 1 is an application scenario diagram provided in an embodiment of the present application;
fig. 2 is a flowchart of a network resource scheduling method according to an embodiment of the present disclosure;
fig. 3 is a flowchart of determining a cell network unit to be scheduled according to an embodiment of the present application;
fig. 4 is a structural diagram of a network resource scheduling device according to an embodiment of the present application;
fig. 5 is a structural diagram of a network resource scheduling apparatus according to an embodiment of the present application.
Specific embodiments of the present application have been shown by way of example in the drawings and will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but 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.
Typically, a cell network element has a plurality of user terminals under its control. When the user terminal needs to communicate, the user terminal sends a data transmission request to the base station. After receiving a data transmission request sent by a user terminal, a base station allocates time-frequency resources to the user terminal corresponding to the data transmission request, so as to realize the transmission of communication data of the user terminal.
In the resource scheduling method in the prior art, the base station determines the user terminal with the average terminal rate higher than the rate threshold as the user terminal to be adjusted and reduced based on the average terminal rate of each user terminal, and adjusts and reduces the terminal rate of each user terminal to be adjusted and reduced. And after the user terminal to be adjusted and reduced is adjusted and reduced, the terminal speed of the user terminal to be adjusted and reduced is reduced to a state of being less than or equal to a speed threshold value. The resource scheduling method does not consider the actual requirements of special users (such as users needing to ensure bit rate) with the service attributes being user time-frequency resources which cannot be adjusted and reduced, but the user terminals of the special users are also taken as the user terminals to be adjusted and reduced, so that the communication of the special users is influenced, the user perception of the special users is further reduced, and the user perception level of a cell network unit is reduced.
In this regard, a network resource scheduling method is provided, in which a cell network unit identifier to be scheduled and a resource amount of time-frequency resources occupied by each user terminal in the cell network unit within a preset time period are obtained, a user terminal whose resource amount exceeds a user resource threshold is determined to be a first reduction user terminal, based on a service attribute of a user corresponding to the user terminal, the first reduction user terminal whose service attribute is user time-frequency resource adjustability is determined to be a second reduction user terminal, time-frequency resource reduction processing is performed on the second reduction user terminal, and the time-frequency resources obtained after the reduction processing are allocated to user terminals to which resources are not allocated. The method provided by the application selects the user terminal with the user time-frequency resource unadjustable reduction first before the user terminal to be subjected to the reduction, so that the subsequent reduction processing of the user terminal with the user time-frequency resource unadjustable reduction is avoided. The method provided by the application solves the problem of inflexible adjustment processing in the resource scheduling method in the prior art, and avoids the reduction of the user perception level of the cell network unit to be scheduled on the premise of ensuring that the user terminal which is not allocated with resources in the cell network unit to be scheduled can be allocated with the time-frequency resources in time.
The following describes a network resource scheduling method provided by the present application with reference to some embodiments.
Fig. 1 is an application scenario diagram provided in an embodiment of the present application. As shown in fig. 1, a base station 11 typically hosts at least one cell network element 12. Each cell network unit 12 has a plurality of user terminals 121 under its control. When the user terminal 121 needs to communicate, the user terminal 121 transmits a data transmission request to the base station 11. The base station 11 allocates the idle time-frequency resource of the cell network unit 12 corresponding to the ue 121 based on the data transmission request, so as to ensure normal communication of the ue 121. If the cell network unit 12 has no idle time-frequency resource, the base station 11 selects to wait for a certain time (the longest waiting time may be a preset time delay threshold), or the base station 11 schedules the idle time-frequency resource in a resource scheduling manner, and allocates the time-frequency resource to the user terminal 121 corresponding to the data transmission request after the cell network unit 12 has the idle time-frequency resource.
For example, the base station 11 may schedule the time-frequency resource of the cell network element 12 by using the following method proposed in the present application:
the base station 11 obtains the identifier of the cell network unit 12 to be scheduled and the average resource amount of the time-frequency resources occupied by each user terminal 121 in the cell network unit 12 corresponding to the identifier within a preset time period. The base station 11 determines the ue whose average number of resources exceeds the ue threshold as the first reduced ue. The base station 11 determines, based on the service attribute of the user corresponding to the user terminal 121, that the first reduced user terminal whose service attribute is user time-frequency resource adjustable reduction is the second reduced user terminal. The base station performs time-frequency resource adjustment and reduction processing on the second adjustment and reduction user terminal, and allocates the time-frequency resource to be allocated, which is obtained after the adjustment and reduction processing, to the user terminal 121 to which the resource is not allocated.
According to the network resource scheduling method, the second adjustment and reduction user terminal with the user time-frequency resource adjustable and reducible is identified from the first adjustment and reduction user terminal of the cell network unit to be scheduled, the time-frequency resource adjustment and reduction processing is carried out on the second adjustment and reduction user terminal, the obtained time-frequency resource to be distributed (namely idle time-frequency resource) is distributed to the user terminal 121 which is not distributed with the resource, on the premise that the user terminal which is not distributed with the resource can be timely distributed with the time-frequency resource for data transmission, the adjustment and reduction processing of the first adjustment and reduction user terminal with the user time-frequency resource unadjustable and reducible by the existing resource scheduling method is avoided, and the condition that the user perception is reduced of the first adjustment and reduction user terminal with the user time-frequency resource unadjustable and reducible is further avoided. The method provided by the application solves the problem that the existing resource scheduling method is inflexible in the adjustment and reduction processing of the user terminal to be adjusted and reduced.
The network resource scheduling method provided by the present application is described in detail below with reference to fig. 2 and 3. Fig. 2 is a flowchart of a network resource scheduling method according to an embodiment of the present disclosure. Fig. 3 is a flowchart of determining a cell network unit to be scheduled according to an embodiment of the present application. The main implementation of the embodiment shown in fig. 2 is the base station 11 in the embodiment shown in fig. 1. As shown in fig. 2, the method includes:
s201, obtaining the cell network unit identification to be scheduled and the average resource quantity of time frequency resources occupied by each user terminal in the cell network unit corresponding to the identification in a preset time period, and determining the user terminal of which the average resource quantity exceeds a user resource threshold value as a first reduction user terminal.
Specifically, the base station 11 obtains the identifier of the cell network unit 12 to be scheduled and the average resource quantity of the time-frequency resources occupied by each user terminal 121 in the cell network unit 12 corresponding to the identifier in a preset time period, and determines the user terminal 121 whose average resource quantity exceeds the user resource threshold as the first reduction user terminal.
Optionally, before the base station 11 obtains the identifier of the cell network unit 12 to be scheduled and the average resource quantity of the time-frequency resources occupied by each user terminal 121 in the cell network unit 12 corresponding to the identifier in the preset time period, and determines that the user terminal 121 whose average resource quantity exceeds the user resource threshold is the first reduction user terminal, the base station 11 determines the cell network unit 12 to be scheduled according to the following steps S2011-S2014 shown in fig. 3:
s2011, at the time t2, acquiring at least one cell network element identifier of a time period from the time t1 to the time t2, and identifying the corresponding cell resource utilization rate; the cell resource utilization rate is the overall time-frequency resource utilization rate of the cell network unit.
Specifically, the base station 11 obtains at time t2 at least one cell network element 12 identifier for the time period from time t1 to time t2, and identifies a corresponding cell resource utilization. Wherein, the cell resource utilization rate is a time-frequency resource utilization rate of the whole cell network unit 12 within a preset time period, such as an RB utilization rate of the cell network unit 12; t1 < t2, and the duration of the time period from time t1 to time t2 is equal to the duration of the preset time period.
S2012, determining whether the cell resource utilization rate exceeds a preset load threshold, and if the cell resource utilization rate exceeds the preset load threshold, determining that the cell network unit corresponding to the cell resource utilization rate is the first cell network unit.
Specifically, the base station 11 determines whether the cell resource utilization rate exceeds a preset load threshold, and if the cell resource utilization rate exceeds the preset load threshold, determines that the cell network unit 12 corresponding to the cell resource utilization rate is the first cell network unit.
Generally speaking, the first cell network unit exceeding the preset load threshold has no idle time frequency resource under the condition of not performing time frequency resource scheduling. Thus, it can be determined by this step whether the cell network element has idle time frequency resources for allocation to the user terminal 121 which is not allocated to resources.
On the contrary, if the base station 11 determines that the cell resource utilization does not exceed the preset load threshold, the base station 11 determines that the cell network unit is the cell network unit 12 that does not need to perform resource scheduling.
S2013, whether the first cell network unit has the first reduction user terminal in the time period is determined, and if the first cell network unit has the first reduction user terminal, the first cell network unit is determined to be the second cell network unit.
Specifically, the base station 11 determines whether the first cell network element has the first reduced ue in a time period (i.e., the time period from time t1 to time t 2), and determines the first cell network element as the second cell network element if the first cell network element has the first reduced ue.
By the step, whether the cell network unit without idle time-frequency resources can carry out resource scheduling can be determined.
Conversely, if base station 11 determines that the first adjusted ue is not present in the first cell network element during the time period (i.e. the time period from time t1 to time t 2), base station 11 determines that the first cell network element is a cell network element 12 that does not need resource scheduling.
S2014, determining whether the second cell network unit has the user terminal not allocated with the resource, whose resource allocation waiting time exceeds the preset delay threshold value, at time t2, and if it is determined that the second cell network unit has the user terminal not allocated with the resource, whose resource allocation waiting time exceeds the preset delay threshold value, at time t2, determining that the second cell network unit is the cell network unit to be scheduled.
Specifically, the base station 11 determines whether the second cell network unit has the user terminal 121 not allocated with the resource whose resource allocation waiting time exceeds the preset delay threshold value at time t2, and if it is determined that the second cell network unit has the user terminal 121 not allocated with the resource whose resource allocation waiting time exceeds the preset delay threshold value at time t2, it is determined that the second cell network unit is the cell network unit 12 to be scheduled.
Through the cell network unit 12 to be scheduled determined in this step, the cell network unit 12 to be scheduled has schedulable resources, and the cell network unit 12 also has the user terminal 121 to which the resources are required to be scheduled and allocated to the unallocated resources, which is necessary to perform time-frequency resource scheduling on the cell network unit 12.
On the contrary, if the base station 11 determines that the second cell network unit does not have the user terminal 121 not allocated with the resource, of which the resource allocation waiting time exceeds the preset delay threshold value, at the time t2, it may be determined that the second cell network unit is the cell network unit 12 that does not need to perform resource scheduling. The base station 11 may select a mode of directly waiting for the idle time-frequency resource of the cell network unit 12 to be allocated, and perform time-frequency resource allocation on the user terminal 121 that is not allocated with the resource in the cell network unit 12.
Through steps S2011-S2014, the base station 11 precisely determines the cell network unit 12 to be scheduled by comprehensively considering three factors, i.e., the cell resource utilization rate (i.e., the cell network load parameter), the first reduction user terminal, and the user terminal 121 not allocated with resources whose resource allocation waiting time exceeds the preset delay threshold. The method for determining the cell network unit to be scheduled can effectively avoid the situation that the base station 11 in the prior art still performs resource adjustment and reduction processing on the first adjustment and reduction user terminal under the condition that the cell network unit 12 does not need idle time-frequency resources because the cell network unit to be scheduled is determined only by using the cell network load as a parameter.
S202, based on the service attribute of the user corresponding to the user terminal, determining that the first reduction user terminal with the service attribute being user time-frequency resource adjustable reduction is a second reduction user terminal.
Specifically, after the base station 11 obtains the cell network unit 12 to be scheduled and the first adjustment/reduction user terminal of the cell network unit 12 to be scheduled through step S201, the base station 11 determines, based on the service attribute of the user corresponding to the user terminal 121, that the first adjustment/reduction user terminal whose service attribute is user time-frequency resource adjustment/reduction is the second adjustment/reduction user terminal.
For the user whose time frequency resource is not adjustable and can not reduce user, if it needs to ensure bit rate, even if the average resource quantity of time frequency resource occupied by said user exceeds the user resource threshold value in the preset time period, in the time period covered by its service attribute, in order to ensure the actual communication quality of said user, its time frequency resource is not adjustable and can not reduce. If only the user whose service attribute is user time frequency resource adjustable reduction, such as the user not needing to guarantee bit rate, as long as the average resource quantity exceeds the user resource threshold, then when the resource is scheduled, the time frequency resource quantity occupied by the user exceeds the user resource threshold, and the time frequency resource of the user terminal of the user can be adjusted and reduced.
S203, the time frequency resource of the second adjustment and reduction user terminal is adjusted and reduced, and the time frequency resource to be distributed obtained after the adjustment and reduction is distributed to the user terminal which is not distributed with the resource.
Specifically, the base station 11 performs time-frequency resource reduction processing on the second reduction user terminal, and allocates the time-frequency resource to be allocated (i.e., the idle time-frequency resource) obtained after the reduction processing to the user terminal 121 to which the resource is not allocated.
Optionally, the base station 11 performs time-frequency resource reduction processing on the second reduction user terminal to obtain a time-frequency resource to be allocated. The base station 11 sequentially allocates the time-frequency resources to be allocated to each user terminal 121 that is not allocated with resources according to the sequence of the waiting time for resource allocation of each user terminal 121 that is not allocated with resources from long to short.
For example, after the base station 11 obtains the time-frequency resource to be allocated, the base station 11 determines the required resource quantity of each user terminal 121 that is not allocated with the resource based on the data transmission request of each user terminal 121 that is not allocated with the resource. The base station 11 sequentially allocates the time-frequency resources to be allocated to each user terminal 121 to which the resources are not allocated according to the resource quantity greater than or equal to the required resource quantity and the sequence of the resource allocation waiting time from long to short.
Generally, the data transmitted by the ues 121 are different, and the amount of time-frequency resources required for data transmission is also different. If the data transmitted by the user terminal 121 is video data, more time-frequency resources are needed; conversely, if the data transmitted by the ue 121 is voice data, less time-frequency resources are needed. Therefore, the base station 11 determines the quantity of the required resources for the user terminal 121 to complete the data transmission corresponding to the data transmission request according to the data transmission request of the user terminal 121, and allocates the time-frequency resources to be allocated to the user terminal 121 according to the quantity of the resources greater than or equal to the quantity of the required resources, thereby achieving the efficient utilization of the time-frequency resources. Of course, if the number of idle time-frequency resources of the cell network unit 12 is large, the base station may also allocate the time-frequency resources to the user terminal 121 according to the number of user resource thresholds.
The base station 11 sequentially allocates the time-frequency resources to be allocated to each target user terminal to be allocated according to the sequence of the resource allocation waiting time of each user terminal 121 to which no resource is allocated from long to short, and effectively avoids the situation that the user perception of the user corresponding to the user terminal 121 to which no resource is allocated is poor by reducing the resource allocation waiting time of the user terminal waiting for resource allocation for a long time.
Optionally, based on the resource difference absolute value between the average resource quantity of the second reduction user terminals and the user resource threshold, the second reduction user terminals are sequentially reduced in the order from the largest resource difference absolute value to the smallest resource difference absolute value, and the time-frequency resources obtained after the reduction are allocated to the user terminals 121 to which no resource is allocated.
Optionally, the base station 11 performs time-frequency resource reduction on each pair of second reduction user terminals, performs time-frequency resource reduction on the next second reduction user terminal after the obtained time-frequency resource to be allocated is allocated, and stops the time-frequency resource reduction when the cell network unit 12 to be scheduled does not have a second reduction user terminal or all the user terminals 121 not allocated with the resource are allocated to the time-frequency resource. That is to say, after all the ues 121 not allocated with resources are allocated with time-frequency resources, even if the cell network unit 12 to be scheduled still has a second modulation ue, the base station 11 will stop performing the modulation processing of time-frequency resources on the remaining second modulation ues, so as to improve the user perception of the remaining second modulation ues.
Optionally, if the resource allocation waiting time exceeds the preset delay threshold, the ue 121 that is not allocated with resources is the target ue to be allocated. The base station 11 performs time-frequency resource reduction on each pair of second reduction user terminals, performs time-frequency resource reduction on the next second reduction user terminal after the obtained time-frequency resource to be allocated is allocated, and stops the time-frequency resource reduction when there is no target user terminal to be allocated in the cell network unit 12 to be scheduled.
Optionally, the time-frequency resource adjustment and reduction processing performed by the base station 11 on the second adjustment and reduction user terminal may be performed as follows:
the base station 11 performs at least one or more time-frequency resource reduction processes on each second reduction user terminal according to the quota resource quantity each time, and stops the time-frequency resource reduction processes on the second reduction user terminal after the resource quantity of the second reduction user terminal does not exceed the user resource threshold value, so as to ensure the communication quality of the second reduction user terminal subjected to the reduction processes.
The following describes a network resource scheduling method provided by the present application with a specific example.
Assume that the preset time period is 1 minute, the preset time delay threshold is 10 seconds, and the user resource threshold is 8 RBs.
When the base station m is at 18:01 of a certain day, a cell network unit n to be scheduled, first scheduled user terminals A and B of each user terminal in the cell network unit n in a time period of 18:00-18:01, user terminals C and D which are not allocated with resources are determined according to the method provided by the application, and the user terminals are target user terminals to be allocated, and the user terminal A, B, C, D is related to information shown in table 1 when the user terminal is at 18: 01.
TABLE 1 information about user terminal A, B, C, D at 18:01
Base station m subtracts 2 RBs from user terminal A, and then allocates these 2 RBs to user terminal C;
continuously, the base station m subtracts 2 RBs from the user terminal a, and then allocates the 2 RBs to the user terminal C;
continuously, the base station m subtracts 2 RBs from the user terminal a, and then allocates the 2 RBs to the user terminal C; since the number of RBs allocated to the user terminal C satisfies the number of required resources of the user terminal C, RBs are not allocated to the user terminal C in the following;
continuously, the base station m subtracts 2 RBs from the user terminal a, and then allocates the 2 RBs to the user terminal D; after the number of RBs of the user terminal a is adjusted and reduced for four times, 7 RBs remain, and at this time, the number of time-frequency resources occupied by the user terminal a is smaller than a user resource threshold (i.e., 8 RBs), and then the adjustment and reduction of the time-frequency resources to the user terminal a is stopped;
continuously, the base station m reduces 2 RBs for the user terminal B, and then allocates the 2 RBs to the user terminal D, at this time, the user terminal D obtains 4 RBs by allocation, the number of required resources of the user terminal D is met, and then the allocation of time-frequency resources to the user terminal D is stopped. Furthermore, at this point in time, the cell network element n already has no user terminals that are not allocated to resources. Therefore, the base station m stops the adjustment processing for the remaining second adjustment user terminal (i.e., user terminal B).
According to the network resource scheduling method provided by the embodiment of the application, the cell network unit to be scheduled is accurately determined by comprehensively considering three factors, namely the cell resource utilization rate, the first reduction user terminal and the user terminal which is not allocated with resources and has the resource allocation waiting time exceeding the preset time delay threshold value, the second reduction user terminal with the user time-frequency resource being reduced is identified from the first reduction user terminal of the cell network unit to be scheduled, the time-frequency resource reduction processing is carried out on the second reduction user terminal, the obtained time-frequency resource to be allocated is allocated to the user terminal which is not allocated with resources, and the medium user terminal which is not allocated with resources can be timely allocated with the time-frequency resource for data transmission. The method provided by the application solves the problems that the adjustment processing of the user terminal to be adjusted and reduced is inflexible and the cell network unit to be adjusted and reduced is not determined accurately in the resource scheduling method in the prior art. In addition, according to the method, the second adjustment and reduction user terminals are sequentially adjusted and reduced according to the sequence of the absolute value of the resource difference from large to small, the time-frequency resources to be allocated are sequentially allocated to the user terminals which are not allocated with the resources according to the sequence of the resource allocation waiting time of the user terminals which are not allocated with the resources from long to short and the quantity of the resources which is larger than or equal to the quantity of the required resources, and therefore the high efficiency of resource utilization and the timeliness of resource allocation are greatly improved.
The application also provides a network resource scheduling device. The network resource scheduling device provided by the present application is described below with reference to fig. 4. Fig. 4 is a structural diagram of a network resource scheduling device according to an embodiment of the present application. As shown in fig. 4, the apparatus includes: an acquisition module 41, a determination module 42 and a scheduling module 43; wherein,
the obtaining module 41 is configured to obtain an identifier of a cell network unit to be scheduled and an average resource quantity of time-frequency resources occupied by each user terminal 121 in the cell network unit 12 corresponding to the identifier in a preset time period, determine that a user terminal whose average resource quantity exceeds a user resource threshold is a first adjustment user terminal, and send a terminal identifier of the first adjustment user terminal to the determining module 42.
A determining module 42, configured to determine, based on a service attribute of a user corresponding to a terminal identifier of a first reduction user terminal, that the first reduction user terminal whose service attribute is user time-frequency resource is reducible is a second reduction user terminal, and send the terminal identifier of the second reduction user terminal to the scheduling module 43;
and the scheduling module 43 is configured to, based on the terminal identifier of the second reduction user terminal, perform time-frequency resource reduction processing on the second reduction user terminal corresponding to the terminal identifier, and allocate the time-frequency resource to be allocated, obtained after the time-frequency resource reduction processing, to the user terminal 121 to which the resource is not allocated.
The specific implementation principle and technical effect of the network resource scheduling device provided in the embodiment of the present application are similar to those of the embodiment shown in fig. 2, and this embodiment is not described herein again.
The embodiment of the application also provides a network resource scheduling device. Fig. 5 is a structural diagram of a network resource scheduling apparatus according to an embodiment of the present application. As shown in fig. 5, the server includes a processor 51 and a memory 52, where the memory 52 stores executable instructions of the processor 51, so that the processor 51 can be used to execute the technical solution of the foregoing method embodiment, and the implementation principle and the technical effect are similar, which are not described herein again. It should be understood that the Processor 51 may be a Central Processing Unit (CPU), other general purpose processors, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor. The Memory 52 may include a high-speed Random Access Memory (RAM), a Non-volatile Memory (NVM), at least one disk Memory, a usb disk, a removable hard disk, a read-only Memory, a magnetic disk, or an optical disk.
The embodiment of the present application further provides a storage medium, where computer execution instructions are stored in the storage medium, and when the computer execution instructions are executed by a processor, the network resource scheduling method is implemented. The storage medium may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as a Static Random Access Memory (SRAM), an Electrically Erasable Programmable Read-Only Memory (EPROM), a Programmable Read-Only Memory (PROM), a Read-Only Memory (ROM), a magnetic Memory, a flash Memory, a magnetic disk or an optical disk. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuits (ASIC). Of course, the processor and the storage medium may reside as discrete components in an electronic device or host device.
Embodiments of the present application further provide a program product, such as a computer program, which when executed by a processor, implements the network resource scheduling method covered by the present application.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for scheduling network resources, comprising:
acquiring an identifier of a cell network unit to be scheduled and an average resource quantity of time-frequency resources occupied by each user terminal in the cell network unit corresponding to the identifier in a preset time period, and determining the user terminal with the average resource quantity exceeding a user resource threshold value as a first reduction user terminal;
determining a first reduction user terminal with the service attribute being user time-frequency resource adjustable reduction as a second reduction user terminal based on the service attribute of a user corresponding to the user terminal;
and performing time-frequency resource adjustment and reduction processing on the second adjustment and reduction user terminal, and allocating the time-frequency resource to be allocated, which is obtained after the adjustment and reduction processing, to the user terminal which is not allocated with the resource.
2. The method of claim 1, wherein the performing a time-frequency resource reduction process on the second reduction user terminal, and allocating to-be-allocated time-frequency resources obtained after the reduction process to user terminals that are not allocated with resources comprises:
performing time-frequency resource reduction processing on the second reduction user terminal to obtain time-frequency resources to be distributed;
and sequentially allocating the time-frequency resources to be allocated to each user terminal which is not allocated with the resources according to the sequence of the resource allocation waiting time of each user terminal which is not allocated with the resources from long to short.
3. The method of claim 2, wherein the sequentially allocating time-frequency resources to be allocated to each user terminal that is not allocated with resources according to the order of the resource allocation waiting time of each user terminal that is not allocated with resources from long to short comprises:
determining the quantity of required resources of each user terminal which is not allocated with resources based on the data transmission request of each user terminal which is not allocated with resources;
and sequentially allocating the time-frequency resources to be allocated to each user terminal which is not allocated with the resources according to the resource quantity which is greater than or equal to the quantity of the required resources and the sequence of the resource allocation waiting time from long to short.
4. The method of claim 1, wherein the performing a time-frequency resource reduction process on the second reduction user terminal, and allocating to-be-allocated time-frequency resources obtained after the reduction process to user terminals that are not allocated with resources comprises:
and sequentially carrying out adjustment and reduction processing on each second adjustment and reduction user terminal according to the sequence from large to small of the resource difference absolute value based on the resource difference absolute value of the average resource quantity of the second adjustment and reduction user terminals and the user resource threshold value, and distributing the time-frequency resources obtained after the adjustment and reduction processing to the user terminals which are not distributed with the resources.
5. The method according to any of claims 1-4, wherein the performing time-frequency resource reduction processing on the second reduction user terminal and allocating to-be-allocated time-frequency resources obtained after the reduction processing to the user terminal which is not allocated with resources comprises:
and each pair of second reduction user terminals carries out time-frequency resource reduction processing, after the obtained time-frequency resource to be distributed is distributed, the next second reduction user terminal carries out time-frequency resource reduction processing, and the time-frequency resource reduction processing is stopped after the second reduction user terminal does not exist in the cell network unit to be scheduled or all the user terminals which are not distributed with the resource are distributed to the time-frequency resource.
6. The method of claim 5, wherein the performing time-frequency resource reduction processing on the second reduced user terminal comprises:
and performing at least one time or multiple time frequency resource reducing treatment on each second reducing user terminal according to the quota resource quantity each time, and stopping the time frequency resource reducing treatment on the second reducing user terminal after the resource quantity of the second reducing user terminal does not exceed the user resource threshold value.
7. The method according to any of claims 1-4, wherein before the obtaining of the identifier of the cell network unit to be scheduled and the average resource amount of time-frequency resources occupied by each user terminal in the cell network unit corresponding to the identifier within a preset time period and determining that the user terminal whose average resource amount exceeds the user resource threshold is the first adjustment user terminal, the method further comprises:
at the time t2, acquiring at least one cell network element identifier of a time period from the time t1 to the time t2, and a cell resource utilization rate corresponding to the identifier; the cell resource utilization rate is the time-frequency resource utilization rate of the whole cell network unit in a preset time period;
determining whether the utilization rate of the cell resources exceeds a preset load threshold, and if the utilization rate of the cell resources exceeds the preset load threshold, determining that a cell network unit corresponding to the utilization rate of the cell resources is a first cell network unit;
determining whether the first cell network unit has the first reduction user terminal in the time period, and if the first cell network unit has the first reduction user terminal, determining that the first cell network unit is a second cell network unit;
determining whether the second cell network unit has a user terminal which is not allocated with resources and has the resource allocation waiting time exceeding a preset time delay threshold value at the time t2, and if determining that the second cell network unit has a user terminal which is not allocated with resources and has the resource allocation waiting time exceeding the preset time delay threshold value at the time t2, determining that the second cell network unit is a cell network unit to be scheduled;
wherein t1 is less than t2, and the time period from the time t1 to the time t2 is equal to the time period of the preset time period.
8. A network resource scheduling apparatus, the apparatus comprising: the system comprises an acquisition module, a determination module and a scheduling module; wherein,
the acquiring module is used for acquiring the identifier of the cell network unit to be scheduled and the average resource quantity of time-frequency resources occupied by each user terminal in the cell network unit corresponding to the identifier in a preset time period, and determining the user terminal with the average resource quantity exceeding a user resource threshold value as a first reduction user terminal; sending the terminal identification of the first subtracting user terminal to the determining module;
the determining module is configured to determine, based on a service attribute of a user corresponding to a terminal identifier of the first reduction user terminal, that the first reduction user terminal whose service attribute is user time-frequency resource that can be reduced is a second reduction user terminal, and send the terminal identifier of the second reduction user terminal to the scheduling module;
and the scheduling module is used for carrying out time-frequency resource reduction processing on the second reduction user terminal corresponding to the terminal identification based on the terminal identification of the second reduction user terminal, and distributing the time-frequency resource to be distributed obtained after the reduction processing to the user terminal which is not distributed with the resource.
9. An apparatus for scheduling network resources, the apparatus comprising:
a processor and a memory;
the memory stores executable instructions executable by the processor;
wherein execution of the executable instructions stored by the memory by the processor causes the processor to perform the method of any of claims 1-7.
10. A storage medium having stored therein computer executable instructions for performing the method of any one of claims 1-7 when executed by a processor.
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