CN115066028A - Frequency domain resource allocation method and device and electronic equipment - Google Patents
Frequency domain resource allocation method and device and electronic equipment Download PDFInfo
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- CN115066028A CN115066028A CN202210833449.0A CN202210833449A CN115066028A CN 115066028 A CN115066028 A CN 115066028A CN 202210833449 A CN202210833449 A CN 202210833449A CN 115066028 A CN115066028 A CN 115066028A
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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
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Abstract
The invention provides a frequency domain resource allocation method, a device and electronic equipment, which relate to the technical field of communication, and the method comprises the following steps: under the condition that a scheduled terminal supports dynamic indication, detecting the length of a Service Data Unit (SDU) cached by a Packet Data Convergence Protocol (PDCP) corresponding to the scheduled terminal; when the length of the SDU is smaller than a set value, confirming the scheduling data speed of an idle target resource, wherein the target resource is a resource with the largest RB quantity in idle continuous Resource Blocks (RBs); and under the condition that the data scheduling speed meets the condition that the SDU is scheduled for one time, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity. The invention reduces the resource waste in the data transmission process by adopting the distribution mode of using RB as the granularity to distribute the frequency domain resources.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a frequency domain resource allocation method and apparatus, an electronic device, and a readable storage medium.
Background
When the user terminal accesses to the network, data transmission interaction needs to be performed. In the transmission process from the network to the ue, the base station needs to allocate a Physical Downlink Shared Channel (PDSCH) frequency domain resource to schedule data. In the related art, in the process of allocating frequency domain resources by a base station, a Resource Block Group (RBG) granularity allocation manner is generally defined to perform Resource allocation. However, for data information with a short data length, the RBG part cannot be allocated to other data information by using a fixed RBG granularity allocation method, which results in high waste of resources in the data transmission process.
Therefore, the problem of high resource waste in the data transmission process exists in the related technology.
Disclosure of Invention
The embodiment of the invention provides a frequency domain resource allocation method, a frequency domain resource allocation device, electronic equipment and a readable storage medium, and aims to solve the problem that in the prior art, resource waste is high in a data transmission process.
In order to solve the problems, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a frequency domain resource allocation method, including:
under the condition that a scheduled terminal supports dynamic indication, detecting the length of a Service Data Unit (SDU) cached by a Packet Data Convergence Protocol (PDCP) corresponding to the scheduled terminal;
confirming the scheduling data speed of an idle target Resource under the condition that the length of the SDU is smaller than a set value, wherein the target Resource is a Resource with the largest RB number in idle continuous Resource Blocks (RBs);
and under the condition that the data scheduling speed meets the condition that the SDU is scheduled for one time, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity.
In a second aspect, an embodiment of the present invention further provides a frequency domain resource allocation apparatus, including:
a first detection module, configured to detect, when a scheduled terminal supports a dynamic indication, a length of a service data unit SDU buffered by a packet data convergence protocol PDCP corresponding to the scheduled terminal;
a confirming module, configured to confirm a scheduling data rate of an idle target resource when the length of the SDU is smaller than a set value, where the target resource is a resource with a largest number of RBs in idle consecutive resource blocks RB;
and the first processing module is used for performing frequency domain resource allocation by adopting an allocation mode taking RB as granularity under the condition that the data scheduling speed meets the condition that the SDU is scheduled for one time.
In a third aspect, an embodiment of the present invention further provides an electronic device, which includes a processor, a memory, and a computer program stored on the memory and executable on the processor, and when executed by the processor, the electronic device implements the steps in the frequency domain resource allocation method according to the first aspect.
In a fourth aspect, an embodiment of the present invention further provides a readable storage medium for storing a program, where the program is executed by a processor to implement the steps in the frequency domain resource allocation method according to the first aspect.
In the embodiment of the invention, the frequency domain resource allocation is carried out on the SDU with smaller data length in an allocation mode with RB as granularity, so that the data transmission of the SDU by the RB is realized, the occupation of the RBG is reduced, and the resource waste in the data transmission process is reduced.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to the drawings without inventive labor.
Fig. 1 is a flowchart of a frequency domain resource allocation method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a frequency domain resource allocation provided in an embodiment of the present invention;
fig. 3 is a structural diagram of a frequency domain resource allocation apparatus according to an embodiment of the present invention;
fig. 4 is a structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
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, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1, fig. 1 is a flowchart of a frequency domain resource allocation method according to an embodiment of the present invention, as shown in fig. 1, including the following steps:
step S101, under the condition that the scheduled terminal supports the dynamic indication, detecting the length of the service data unit SDU buffered by the packet data convergence protocol PDCP corresponding to the scheduled terminal.
The base station or the server may define the frequency domain Resource allocation manner by issuing Radio Resource Control (RRC) related signaling or Downlink Control Information (DCI). And (3) adopting an RCC (radio communication control) defined frequency domain resource allocation mode for data transmission, wherein the allocation mode is adopted in the whole data transmission process. And the DCI is adopted to define the frequency domain resource allocation mode, so that different resource allocation modes are adopted for different resources to be transmitted.
It can be understood that there is a difference in the length of the SDU to be sent to the terminal, and when detecting the length of the SDU to be sent, the average value of the length of the SDU is detected, or the median value of the length of the SDU is detected, so that the data length condition that can reflect the SDU to be sent is obtained.
And step S102, confirming the scheduling data speed of the idle target resource under the condition that the length of the SDU is smaller than a set value, wherein the target resource is a resource with the largest number of RBs in idle continuous Resource Blocks (RB).
The set value is a preset numerical value, and can be correspondingly adjusted according to the service requirement. And confirming the scheduling data speed of the idle target resource, namely whether idle continuous RBs can meet the requirement of the scheduling SDU. It will be appreciated that in the case where the scheduled data rate of the target resource does not meet the schedule, other free RBs will also not meet the scheduled data rate.
It should be understood that, unlike the allocation manner with the granularity of RBG that can support non-continuous allocation and continuous allocation, the allocation manner with the granularity of RB can only support continuous allocation, so the detected target resource needs to be a free continuous RB resource.
The allocation mode with RBG as the granularity is type0, and the allocation mode with RB as the granularity is type 1.
And step S103, under the condition that the data scheduling speed meets the requirement of scheduling the SDU for one time, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity.
It should be understood that, by using the allocation mode with RB as the granularity for frequency domain resource allocation, only SDUs with short length fields can be subjected to data transmission. And the resource allocation of the frequency domain is carried out by adopting an allocation mode taking RBG as granularity, the RBG comprises a plurality of RBs, which can be used for transmitting longer SDU, but when transmitting shorter SDU, part of unused RBs are idle, and the resource waste occurs. Therefore, in this embodiment, frequency domain resource allocation is performed on SDUs with smaller data length in an allocation manner using RBs as granularity, so that data transmission of the SDUs by the RBs is realized, and occupation of RBGs is reduced, thereby reducing resource waste in the data transmission process.
In one embodiment, the method further comprises at least one of:
under the condition that the data scheduling speed does not meet the conditions that the SDU is scheduled for one time and at least one free resource block group RBG is obtained, adopting a first allocation formula taking the RBG as the granularity to perform frequency domain resource allocation;
and under the condition that the data scheduling speed does not meet the requirement of scheduling the SDU once and no idle RBG exists, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity.
In this embodiment, the frequency domain resource allocation is performed by using the first allocation formula with RBG as the granularity or by using the allocation formula with RB as the granularity, which can both reduce the occupation of the RBG resource.
It should be understood that, when the SDU is not scheduled for one time, the frequency domain resource allocation using the first allocation formula with the RBG as the granularity can be performed faster than the frequency domain resource allocation using the allocation formula with the RB as the granularity, so that when at least one idle RBG exists, the frequency domain resource allocation using the first allocation formula with the RBG as the granularity is performed to achieve the optimal transmission effect.
In addition, when there is no free RBG, it is still necessary to perform frequency domain resource allocation by using an allocation method with RB as granularity. Compared with the waiting time spent on waiting for RBG idle or other RBs idle, the transmission speed of adopting the RBs for multiple times of scheduling is higher; the time spent for waiting for the RBG to be idle or other RBs to be idle is longer, so that the data transmission speed is obviously slower than the transmission speed of the multiple scheduling by adopting the RBs.
Because the length of the SDU field is short, the influence of the transmission of repeated scheduling by using the RB on the speed is small, and the experience of a user side is not influenced.
In one embodiment, the method further comprises at least one of:
under the condition that the length of the SDU is larger than or equal to a set value and the number of RBs of the required idle target resource is smaller than the number of RBs in one RBG, performing frequency domain resource allocation in an allocation mode with the RBs as granularity;
and under the condition that the length of the SDU is greater than or equal to a set value and the required number of RBs of the idle target resources is greater than or equal to the number of RBs in one RBG, performing frequency domain resource allocation in a second allocation mode with the RBGs as the granularity.
It should be understood that, the length of the SDU is greater than or equal to the set value, which means that the data to be transmitted to the scheduled terminal is data with a longer field. If it is difficult to schedule the SDU once and part of the SDUs needs to be scheduled for the second time, the transmission speed will be obviously reduced, and the operation experience of the user side will be affected. In this embodiment, the frequency domain resource allocation is performed by using the allocation manner with RB as the granularity, and the frequency domain resource allocation is performed by using the second allocation manner with RBG as the granularity, which can achieve that the SDU is scheduled once and maintain a higher transmission rate.
Specifically, when the number of RBs of the required idle target resource is smaller than the number of RBs in one RBG, it is determined that the size of data to be transmitted is moderate, and if one RBG is used to transmit data, part of RBs in one RBG still remain idle, which results in resource waste. At the moment, the frequency domain resource allocation is carried out by adopting an allocation mode of taking RB as granularity, so that the occupation of RBG is reduced while data is scheduled at one time, and the waste of resources is reduced.
In addition, when the number of required free target resources is greater than or equal to the number of RBs in one RBG, it is determined that data to be transmitted is large, and the data can be scheduled once only by performing frequency domain resource allocation in a second allocation mode with RBGs as granularity, so that a high transmission rate is maintained.
The frequency domain resources are allocated in the second allocation manner with RBGs as the granularity, which is different from the frequency domain resources allocated in the first allocation manner with RBGs as the granularity, as described in the following embodiments.
In one embodiment, the method further comprises:
and under the condition that the scheduled terminal does not support the dynamic indication, performing frequency domain resource allocation by adopting a second allocation mode with RBG as granularity.
In this embodiment, the scheduled terminal does not support dynamic indication, that is, the base station or the server cannot perform frequency domain resource allocation through DCI, and can only perform setting through RRC signaling. In consideration of the possibility that the SDU to be transmitted has a longer field, in order to ensure the transmission rate, the frequency domain resource allocation is carried out in a second allocation mode with RBG as the granularity in the whole transmission process through RRC signaling.
The capability field of the scheduled terminal comprises an object field for supporting dynamic indication, and whether the scheduled terminal supports dynamic indication is confirmed through the object field.
In one embodiment, before the detecting the length of the service data unit SDU buffered by the packet data convergence protocol PDCP corresponding to the scheduled terminal in the case that the scheduled terminal supports the dynamic indication, the method further includes:
detecting a data information type to be sent to the terminal, wherein the data information type comprises control information and service data information;
under the condition that the data information type is the control information, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity;
and under the condition that the data information type is the service data information, detecting whether the scheduled terminal supports dynamic indication.
The control information includes common control information and user-level control information, the common control information includes broadcast messages, paging messages, random access response messages and the like, and the user-level control messages are Signaling Radio Bearer (SRB) defined by RRC, include SRB0, SRB1, SRB2, SRB3 and the like, and are used for configuring a communication relationship between the server and the terminal.
In this embodiment, before the server or the base station sends the SDU to the scheduled terminal, it needs to send control information to the terminal to establish a communication relationship. It can be understood that, compared with the service data information, the transmission stage of the control information is located before the transmission stage of the service data information, and the control information is data with a shorter field, while the service data information has data with a longer or shorter field at the same time, and data with different lengths need to be processed differently. In this embodiment, the frequency domain resource allocation is performed on the control information in an allocation manner using the RB as a granularity, so that the occupation of the RBG resource is reduced, and the waste of the resource is reduced.
In one embodiment, the determining the scheduled data rate of the idle target resource comprises:
and confirming the scheduling data speed of the idle target resource according to the number of space division multiplexing streams RANK and a Modulation and Coding Scheme (MCS).
It should be understood that RANK represents the situation of reusing the same frequency band in different spaces, and MCS defines the effective number of bits that one resource unit can carry. That is, the larger the RANK value is, the larger the MCS value is, and the more data can be transmitted by one scheduling of the same resource. In this embodiment, the scheduling speed of the target resource is determined according to RANK and MCS, so as to accurately evaluate the scheduling speed of the idle RB.
In one embodiment, the performing frequency domain resource allocation using the first allocation formula with RBG as granularity includes:
determining the RBG number required by the SDU;
and when the number of the RBGs is between N and N +1, adopting N RBGs for frequency domain resource allocation, wherein the N RBGs are used for transmitting the SDU, and N is a constant greater than 1.
In this embodiment, since the field of the transmitted SDU is short, and the influence of multiple scheduling on the overall transmission speed is small, frequency domain resource allocation is performed by using N RBGs instead of using N +1 RBGs.
In an embodiment, the performing, by using the second allocation manner with RBG as granularity, frequency domain resource allocation includes:
determining the RBG number required by the SDU;
and when the number of the RBGs is between N and N +1, performing frequency domain resource allocation by adopting N +1 RBGs, wherein the N +1 RBGs are used for transmitting the SDU, and N is a constant greater than 0.
It should be understood that, in the case that the field of the transmitted SDU is long, the transmission speed is significantly affected by performing multiple scheduling, which may significantly reduce the transmission speed, and the SDU should be scheduled once, that is, the frequency domain resource allocation is performed by using N +1 RBGs, but not by using N RBGs.
Specifically referring to fig. 2, this embodiment further provides a schematic diagram of frequency domain resource allocation, as shown in fig. 2, the frequency domain resource allocation includes three frequency domain resource allocation manners, i.e., an allocation manner using RB as granularity, a first allocation manner using RBG as granularity, and a second allocation manner using RBG as granularity.
Wherein, for data with smaller field, such as control information, data smaller than the set value in the service data information, and data with RB less than the RB number in one RBG.
In addition, for data with a small field, when the data cannot meet the requirement that the idle target resources are scheduled at one time, the first allocation formula with RBG as the granularity is adopted to allocate frequency domain resources, so that the waste of resources can be reduced.
In addition, for data with large fields or when the terminal does not support dynamic indication, the frequency domain resource allocation is performed by adopting a second allocation mode with RBG as granularity so as to maintain high transmission speed.
The steps can be dynamically adjusted in a distribution mode taking RB and RBG as granularity according to the data type and the type of the scheduled terminal, so that the resource waste in the traditional data process is reduced, and the user and cell rate is improved.
Referring to fig. 3, fig. 3 is a structural diagram of a frequency domain resource allocation apparatus according to an embodiment of the present invention, and as shown in fig. 3, the frequency domain resource allocation apparatus 300 includes:
a first detecting module 301, configured to detect, when a scheduled terminal supports a dynamic indication, a length of a service data unit SDU buffered by a packet data convergence protocol PDCP corresponding to the scheduled terminal;
a confirming module 302, configured to confirm a scheduling data rate of an idle target resource when the length of the SDU is smaller than a set value, where the target resource is a resource with a largest number of RBs in idle consecutive resource blocks RB;
a first processing module 303, configured to perform frequency domain resource allocation in an allocation manner using RB as a granularity when the data scheduling speed satisfies the SDU scheduled once.
Optionally, the apparatus further comprises at least one of:
a second processing module, configured to perform frequency domain resource allocation by using a first allocation formula with RBGs as a granularity when the data scheduling speed does not satisfy the SDU scheduling for one time and at least one free resource block group RBG is available;
and a third processing module, configured to perform frequency domain resource allocation in a manner of allocating RB granularity when the data scheduling speed does not satisfy the requirement of scheduling the SDU at one time and there is no idle RBG.
Optionally, the apparatus further comprises:
and the fourth processing module is used for performing frequency domain resource allocation by adopting a first allocation formula with RBG as granularity under the condition that the average length of the SDU is greater than or equal to a set value.
Optionally, the apparatus further comprises:
and a fifth processing module, configured to perform frequency domain resource allocation in a second allocation manner with RBG as a granularity when the scheduled terminal does not support the dynamic indication.
Optionally, before the first detecting module 301, the apparatus further includes:
the second detection module is used for detecting the type of data information to be sent to the terminal, wherein the type of the data information comprises control information and service data information;
a sixth processing module, configured to perform frequency domain resource allocation in an allocation manner using RB as a granularity when the data information type is the control information;
a third detecting module, configured to detect whether the scheduled terminal supports dynamic indication when the data information type is the service data information.
Optionally, the confirming module 302 includes:
and the confirming unit is used for confirming the idle scheduling data speed of the target resource according to the number RANK of the space division multiplexing streams and the modulation coding scheme MCS.
Optionally, the performing frequency domain resource allocation by using the first allocation formula with RBG as the granularity includes:
determining the RBG number required by the SDU;
and when the number of the RBGs is between N and N +1, adopting N RBGs for frequency domain resource allocation, wherein the N RBGs are used for transmitting the SDU, and N is a constant greater than 1.
Optionally, the performing, by using the second allocation manner with RBG as the granularity, frequency domain resource allocation includes:
determining the RBG number required by the SDU;
and when the number of the RBGs is between N and N +1, performing frequency domain resource allocation by adopting N +1 RBGs, wherein the N +1 RBGs are used for transmitting the SDU, and N is a constant greater than 0.
The frequency domain resource allocation device provided by the embodiment of the present invention is configured to implement each process of each embodiment of the frequency domain resource allocation method, and technical features are in one-to-one correspondence, and the same technical effect can be achieved, and in order to avoid repetition, details are not repeated here.
It should be noted that the frequency domain resource allocation apparatus in the embodiment of the present invention may be an apparatus, and may also be a component, an integrated circuit, or a chip in an electronic device.
An embodiment of the present invention further provides an electronic device, referring to fig. 4, where fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and the electronic device includes a memory 401, a processor 402, and a program or an instruction stored in the memory 401 and running on the memory 401, and when the program or the instruction is executed by the processor 402, any step in the method embodiment corresponding to fig. 1 may be implemented and the same beneficial effect may be achieved, which is not described herein again.
The processor 402 may be a CPU, ASIC, FPGA, or GPU, among others.
Those skilled in the art will appreciate that all or part of the steps of the method according to the above embodiments may be implemented by hardware associated with program instructions, and the program may be stored in a readable medium.
An embodiment of the present invention further provides a readable storage medium, where a computer program is stored on the readable storage medium, and when the computer program is executed by a processor, any step in the method embodiment corresponding to fig. 1 may be implemented, and the same technical effect may be achieved, and in order to avoid repetition, details are not repeated here. The storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
The terms "first," "second," and the like in the embodiments of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Further, as used herein, "and/or" means at least one of the connected objects, e.g., a and/or B and/or C, means 7 cases including a alone, B alone, C alone, and both a and B present, B and C present, both a and C present, and A, B and C present.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present application may be substantially or partially embodied in the form of a software product, which is stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (e.g. a mobile phone, a computer, a server, an air conditioner, or a second terminal device) to execute the method of the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method for frequency domain resource allocation, comprising:
under the condition that a scheduled terminal supports dynamic indication, detecting the length of a Service Data Unit (SDU) cached by a Packet Data Convergence Protocol (PDCP) corresponding to the scheduled terminal;
under the condition that the length of the SDU is smaller than a set value, confirming the scheduling data speed of an idle target resource, wherein the target resource is a resource with the largest number of RBs in idle continuous Resource Blocks (RBs);
and under the condition that the data scheduling speed meets the condition that the SDU is scheduled for one time, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity.
2. The method of claim 1, further comprising at least one of:
under the condition that the data scheduling speed does not meet the conditions that the SDU is scheduled for one time and at least one free resource block group RBG is obtained, adopting a first allocation formula taking the RBG as the granularity to perform frequency domain resource allocation;
and under the condition that the data scheduling speed does not meet the requirement of scheduling the SDU once and no idle RBG exists, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity.
3. The method of claim 1, further comprising at least one of:
under the condition that the length of the SDU is larger than or equal to a set value and the number of RBs of the required idle target resource is smaller than the number of RBs in one RBG, performing frequency domain resource allocation in an allocation mode with the RBs as granularity;
and under the conditions that the length of the SDU is greater than or equal to a set value and the number of the required idle RBs of the target resource is greater than or equal to the number of the RBs in one RBG, performing frequency domain resource allocation by adopting a second allocation mode taking the RBG as granularity.
4. The method of claim 1, further comprising:
and under the condition that the scheduled terminal does not support the dynamic indication, performing frequency domain resource allocation by adopting a second allocation mode with RBG as granularity.
5. The method according to claim 1, wherein before the detecting the length of the service data unit SDU buffered by the packet data convergence protocol PDCP corresponding to the scheduled terminal in case that the scheduled terminal supports the dynamic indication, the method further comprises:
detecting a data information type to be sent to the terminal, wherein the data information type comprises control information and service data information;
under the condition that the data information type is the control information, performing frequency domain resource allocation by adopting an allocation mode with RB as granularity;
and under the condition that the data information type is the service data information, detecting whether the scheduled terminal supports dynamic indication.
6. The method of claim 1, wherein the determining the scheduled data rate of the idle target resource comprises:
and confirming the scheduling data speed of the idle target resource according to the number RANK of the space division multiplexing streams and the modulation coding scheme MCS.
7. The method according to any of claims 1-6, wherein said performing frequency domain resource allocation using a first allocation formula with RBG as granularity comprises:
determining the RBG number required by the SDU;
and when the number of the RBGs is between N and N +1, adopting N RBGs for frequency domain resource allocation, wherein the N RBGs are used for transmitting the SDU, and N is a constant greater than 1.
8. The method according to any of claims 1-6, wherein said performing frequency domain resource allocation with the second allocation manner with RBG as granularity comprises:
determining the RBG number required by the SDU;
and when the number of the RBGs is between N and N +1, performing frequency domain resource allocation by adopting N +1 RBGs, wherein the N +1 RBGs are used for transmitting the SDU, and N is a constant greater than 0.
9. A frequency domain resource allocation apparatus, comprising:
a first detection module, configured to detect a length of a service data unit SDU buffered by a packet data convergence protocol PDCP corresponding to a scheduled terminal, when the scheduled terminal supports a dynamic indication;
a confirming module, configured to confirm a scheduling data rate of an idle target resource when the length of the SDU is smaller than a set value, where the target resource is a resource with the largest number of RBs in idle consecutive resource blocks RB;
and the first processing module is used for performing frequency domain resource allocation by adopting an allocation mode taking RB as granularity under the condition that the data scheduling speed meets the condition that the SDU is scheduled for one time.
10. An electronic device comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps in the frequency domain resource allocation method of any one of claims 1 to 8.
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