CN114745792B - Resource scheduling method and device, equipment and computer readable storage medium - Google Patents
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the application discloses a resource scheduling method, a device, equipment and a computer readable storage medium. The method comprises the following steps: configuring uplink frequency domain repeated transmission parameters according to the bandwidth resource condition, wherein the uplink frequency domain repeated transmission parameters contain the frequency used for representing the frequency domain resource copying times aiming at the source transmission block; copying the frequency domain resources of the source transmission block according to the times to obtain a plurality of repeated frequency domain resources; combining the multiple repeated frequency domain resources and the frequency domain resources of the source transmission block; and scheduling the combined frequency domain resources to the terminal equipment so that the terminal equipment decodes the combined frequency domain resources. The method does not increase the time delay of resource scheduling in the process of frequency domain resource scheduling, subsequently combines a plurality of repeated frequency domain resources with the frequency domain resources of the source transmission block, and schedules the combined frequency domain resources to the terminal equipment so as to enable the terminal equipment to decode the combined frequency domain resources, thereby ensuring the safety and reliability of the frequency domain resources in the process of resource scheduling.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and apparatus for scheduling resources, a device, and a computer readable storage medium.
Background
The global 5G standard of a New air interface design based on the OFDM (Orthogonal Frequency Division Multiplexing ) technology is also very important cellular mobile technology base, wherein the URLLC (Ultra-reliable and Low Latency Communications, ultra-high reliability and low latency communication) technology is a popular technology nowadays, and the replication of scheduling resources of PDSCH (Physical Downlink Shared Channel ) or PUSCH (Physical Uplink Shared Channel, physical uplink shared channel) traffic channels is an intuitive and effective technology. However, the existing service channel resource replication is to replicate resources in the time domain, and then sequentially schedule the source time domain resources and the replicated time domain resources, which increases the time delay in the process of resource scheduling, and is contrary to the low-time delay and high-reliability technical purpose of URLLC.
Therefore, there is a need for a method for scheduling traffic channel resources without increasing the delay, so as to solve the above problem, and ensure the safety and reliability of resource scheduling without increasing the delay.
Disclosure of Invention
In order to solve the technical problems, embodiments of the present application provide a resource scheduling method and apparatus, an electronic device, and a computer readable storage medium, respectively, which copy traffic channel resources in a frequency domain without increasing time delay in a resource scheduling process.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned in part by the practice of the application.
According to an aspect of the embodiments of the present application, there is provided a resource scheduling method, including: configuring an uplink frequency domain repeated transmission parameter according to the condition of bandwidth resources, wherein the uplink frequency domain repeated transmission parameter contains the frequency used for representing the frequency domain resource copying of a source transmission block; copying the frequency domain resources of the source transmission block according to the times to obtain a plurality of repeated frequency domain resources; combining the plurality of repeated frequency domain resources with the frequency domain resources of the source transport block; and scheduling the combined frequency domain resources to terminal equipment so that the terminal equipment decodes the combined frequency domain resources.
According to an aspect of the embodiments of the present application, there is provided a resource scheduling apparatus, including: the configuration module is configured to configure uplink frequency domain repeated transmission parameters according to the bandwidth resource condition, wherein the uplink frequency domain repeated transmission parameters contain the frequency used for representing the frequency domain resource copying times aiming at the source transmission block; the copying module is configured to copy the frequency domain resources of the source transmission block according to the times to obtain a plurality of repeated frequency domain resources; a combining module configured to combine the plurality of repeated frequency domain resources and the frequency domain resources of the source transport block; and the scheduling module is configured to schedule the combined frequency domain resources to the terminal equipment so as to enable the terminal equipment to decode the combined frequency domain resources.
In another embodiment, the merging module is specifically configured to: and arranging the repeated frequency domain resources and the frequency domain resources of the source transmission block according to a preset sequence, then merging, and determining an initial decoding identifier and a termination decoding identifier which correspond to decoding of the merged frequency domain resources.
The scheduling module is specifically configured to schedule the combined frequency domain resources to the terminal equipment, so that the terminal equipment decodes the combined frequency domain resources according to the initial decoding identifier and the termination decoding identifier.
In another embodiment, the resource scheduling apparatus further includes:
and the identification module is configured to add the initial decoding identification and the termination decoding identification to downlink control information.
The scheduling module is specifically configured to schedule the combined frequency domain resources to the terminal equipment, so that the terminal equipment decodes the combined frequency domain resources according to the initial decoding identifier and the termination decoding identifier contained in the downlink control information.
In another embodiment, a configuration module includes:
the first acquisition and comparison unit is configured to acquire the current resource quantity of the first idle bandwidth resource; and if the resource quantity of the first idle bandwidth resource is larger than a first preset resource quantity threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource quantity of the first idle bandwidth resource.
In another embodiment, a configuration module includes:
the second acquisition and comparison unit is configured to acquire the current resource quantity of the second idle bandwidth resource of the terminal equipment; and if the resource amount of the second idle bandwidth resource is larger than a second preset resource amount threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource amount of the second idle bandwidth resource.
In another embodiment, the resource scheduling apparatus further includes:
the time detection configuration module is configured to detect whether a preset configuration time point is reached currently; and if the preset configuration time point is reached, configuring uplink frequency domain repeated transmission parameters according to the bandwidth resource condition.
In another embodiment, the resource scheduling apparatus further includes:
the request detection configuration module is configured to detect whether a resource scheduling request sent by the terminal equipment is received or not; and if the resource scheduling request is received, configuring uplink frequency domain repeated transmission parameters according to the bandwidth resource condition.
According to an aspect of an embodiment of the present application, there is provided an electronic device including: a controller; and a memory for storing one or more programs which, when executed by the controller, perform the resource scheduling method described above.
According to an aspect of the embodiments of the present application, there is also provided a computer-readable storage medium having stored thereon computer-readable instructions, which when executed by a processor of a computer, cause the computer to perform the above-described resource scheduling method.
According to an aspect of embodiments of the present application, there is also provided a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the above-described resource scheduling method.
In the technical solution provided in the embodiments of the present application, the uplink frequency domain repeated transmission parameter is configured according to the bandwidth resource situation, where the uplink frequency domain repeated transmission parameter includes a number of times for characterizing the duplication of the frequency domain resource for the source transport block, and the duplication is performed on the frequency domain resource according to the number of times to obtain multiple duplication frequency domain resources, and in the resource scheduling process, compared with the duplication of the time domain resource in the prior art, the duplication needs to schedule the added duplication time domain resources to the terminal device one by one, which increases the time required in the resource scheduling process.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
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. It is apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:
FIG. 1 (a) is a schematic illustration of one implementation environment to which the present application relates;
FIG. 1 (b) is a schematic illustration of another implementation environment to which the present application relates;
FIG. 2 is a schematic diagram of a replication process of time domain resources in a prior art URLLC technique;
FIG. 3 is a flow chart of a method of scheduling resources according to an exemplary embodiment of the present application;
fig. 4 is a schematic diagram illustrating a process of copying a traffic channel frequency domain resource according to an exemplary embodiment of the present application;
fig. 5 is a flow chart illustrating a process of combining multiple repeating frequency domain resources according to another exemplary embodiment of the present application;
fig. 6 is a flowchart of a procedure for configuring uplink frequency domain repetition transmission parameters according to the bandwidth resource situation, which is proposed based on the embodiment shown in fig. 3;
FIG. 7 is a flow chart of another procedure for configuring uplink frequency domain repeated transmission parameters according to bandwidth resource situation according to the embodiment shown in FIG. 3;
FIG. 8 is a flow chart of a method of scheduling resources according to another exemplary embodiment of the present application;
FIG. 9 is a flow chart of another resource scheduling method shown in another exemplary embodiment of the present application;
FIG. 10 is a schematic diagram of a structure of a resource scheduling apparatus according to an exemplary embodiment of the present application;
fig. 11 is a schematic diagram of a computer system of an electronic device according to an exemplary embodiment of the present application.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
Reference to "a plurality" in this application means two or more than two. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., a and/or B may represent: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
Referring first to fig. 1 (a), fig. 1 (a) is a schematic diagram of an implementation environment according to the present application. The implementation environment includes a terminal device 100, a server 200, and a base station 300, and communication is performed between the terminal device 100, the server 200, and the base station 300 through a wired or wireless network.
The terminal device 100 includes, but is not limited to, a mobile phone, a computer, an intelligent voice interaction device, an intelligent home appliance, a vehicle-mounted terminal device, etc., for example, any electronic device capable of implementing image visualization, such as a smart phone, a tablet, a notebook computer, a computer, etc., which is not limited in this regard. The terminal device 100 can receive the combined frequency domain resources scheduled by the server 200 and can decode the frequency domain resources.
The server 200 can configure uplink frequency domain repeated transmission parameters according to the bandwidth resource condition, wherein the uplink frequency domain repeated transmission parameters contain the frequency for representing the frequency domain resource replication aiming at the source transport block; copying the frequency domain resources of the source transmission block according to the times to obtain a plurality of repeated frequency domain resources; combining the multiple repeated frequency domain resources and the frequency domain resources of the source transmission block; and scheduling the combined frequency domain resources to the terminal equipment. For detailed steps of resource scheduling performed by the server 200, reference is made to the following description in the embodiments.
As shown in fig. 1 (a), the base station 300 may be separate from the server 200, or as shown in fig. 1 (b), fig. 1 (b) is a schematic diagram of another implementation environment to which the present application relates. The base station 300 includes a server 200, and does not affect the process of the server 200 to schedule the frequency domain resources to the terminal device 100, where the server 200 may be an independent physical server, or may be a server cluster or a distributed system formed by a plurality of physical servers, where a plurality of servers may form a blockchain, and the server is a node on the blockchain, and the server 200 may also be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDNs (Content Delivery Network, content distribution networks), and basic cloud computing services such as big data and artificial intelligence platforms, which are not limited in this respect.
The existing 5 gurlc technology performs resource duplication in the time domain for the service channel resource duplication, and then sequentially schedules the source time domain resource and the duplicated time domain resource to the terminal device, as shown in fig. 2, and fig. 2 is a schematic diagram of the duplication process of the time domain resource in the existing URLLC technology. Wherein, slot boundary represents a time Slot boundary, and 14 OFDM (Orthogonal Frequency Division Multiplexing ) symbols form a time Slot; the first box represents symbols: the source time domain resource, the second diagonal box represents the repetition: and copying the obtained time domain resource.
It should be noted that, copying the time domain resources may cause an increase in delay in the resource scheduling process, which is contrary to the original purpose of the URLLC technology, i.e., low latency and high reliability, for this purpose, the present application provides a method and apparatus for scheduling traffic channel resources without increasing delay, an electronic device, and a computer readable storage medium, so as to optimize the existing URLLC technology, and referring specifically to fig. 3, fig. 3 is a flowchart of a resource scheduling method, which may be specifically executed by a server 200 at a base station side in the implementation environment shown in fig. 1 (b). Of course, the method may also be applied to other implementation environments and executed by a server device in other implementation environments, which is not limited by the present embodiment. As shown in fig. 3, the method at least includes S310 to S340, which are described in detail as follows:
S310: and configuring uplink frequency domain repeated transmission parameters according to the bandwidth resource condition, wherein the uplink frequency domain repeated transmission parameters contain the frequency used for representing the frequency domain resource copying times aiming at the source transmission block.
The bandwidth resource includes a bandwidth resource of the server itself and a bandwidth resource of the terminal device, and the embodiment can configure uplink frequency domain repeated transmission parameters according to a bandwidth resource condition of the base station side server itself or a bandwidth resource condition of the terminal device, or configure uplink frequency domain repeated transmission parameters according to a bandwidth resource condition of the base station side server itself and a bandwidth resource condition of the terminal device together, which is not limited in the embodiment.
The uplink frequency domain repeated transmission parameter is configured by the server at the base station side, and illustratively, the uplink frequency domain repeated transmission parameter is configured by RRC (Radio Resource Control ), and alternatively, the uplink frequency domain repeated transmission parameter is configured by RRC and PDCCH (Physical Downlink Control Channel, physical downlink shared channel), which is not limited in the configuration manner of the uplink frequency domain repeated transmission parameter.
The NR resources include: the frequency domain resources in the application include: RE (Resource Element, resource of minimum granularity of physical layer), 1 subcarrier in frequency domain, 1 OFDM symbol in time domain; RB (Resource Block), a frequency domain basic scheduling unit of data channel Resource allocation, 12 subcarriers in the frequency domain, which is a frequency domain concept, and does not define a time domain; RG (Resource Grid, physical layer Resource group), up-down definition (each Numerics has corresponding RG definition), frequency domain is available RB Resource number N in transmission bandwidth RB And 1 subframe in the time domain.
The frequency domain basic scheduling unit includes a data channel basic scheduling unit: PRB (PhysicalRB)/RBG (Resource Block Group). Wherein, PRB: refers to a physical resource block in BWP, and 12 subcarriers in a frequency domain; RBG: the set of physical resource blocks is related to the number of RBs in BWP (Bandwidth Part) in the frequency domain.
The frequency domain basic scheduling unit further includes: CCE (control channel element, control channel basic scheduling unit) is a resource element of PDCCH, 1 cce=6 reg=6 PRB. Wherein, REG (REG Group, control channel resource allocation basic composition unit), in the frequency domain: 1 reg=1 PRB (12 subcarriers).
For example, S310 is described, where PDSCH-Frequency Domain Repeak (uplink frequency domain repetition transmission parameter) is newly added to PDSCH-Config in RRC configuration according to bandwidth resource condition, and the number of repetitions represents the number of times of copying the frequency domain resource of the source transport block, for example, the number of repetitions is 3, which indicates that the frequency domain resource of the source transport block is copied 3 times. The configuration of the uplink frequency domain repeated transmission parameters is affected by the frequency domain available resources and is related to the bandwidth of the server itself, BWP parameter configuration.
S320: and copying the frequency domain resources of the source transmission block according to the times to obtain a plurality of repeated frequency domain resources.
As shown in fig. 4, fig. 4 is a schematic diagram illustrating a process of copying a traffic channel frequency domain resource according to an exemplary embodiment of the present application. The source TB represents a frequency domain resource with fast source transmission, rek1 is a frequency domain resource obtained by first replication, rek2 is a frequency domain resource obtained by second replication, and Rek3 is a frequency domain resource obtained by third replication. In the figure, the uplink frequency domain repeated transmission parameter contains 3 times for representing the frequency domain resource of the source transmission block, and then the frequency domain resource of the source transmission block is copied for 3 times, so as to obtain 3 repeated frequency domain resources.
S330: and combining the plurality of repeated frequency domain resources with the frequency domain resources of the source transport block.
The merging of the embodiment means merging in a physical sense, that is, merging a plurality of repeated frequency domain resources and frequency domain resources of a source transmission block into one scheduling frequency domain resource, and then carrying out transmission scheduling of the frequency domain resources by taking the scheduling frequency domain resource as a unit. In the merging process, there may be a process of ordering each frequency domain resource and similar encryption, so as to improve the safety and reliability in the frequency domain resource scheduling process, which is not limited by the embodiment.
The frequency domain resources of the source TBs, rek1, rek2, and Rek3 in fig. 4 are combined into one scheduling frequency domain resource, where they may be arranged and combined according to a default order, or they may be arranged according to a preset order and then combined into one scheduling frequency domain resource for resource scheduling.
S340: and scheduling the combined frequency domain resources to the terminal equipment so that the terminal equipment decodes the combined frequency domain resources.
The terminal device receives the combined frequency domain resources and needs to perform similar decoding processing on the combined frequency domain resources, for example, the terminal device decodes the combined frequency domain resources according to the related key or the pre-configured decoding parameters, and the embodiment does not limit the process of how the terminal device obtains the key or the decoding parameters and where to obtain the key or the decoding parameters from.
Particularly, the resource scheduling method of the embodiment can also be matched with an order frequency domain algorithm of MCS (Modulation and Coding Scheme, modulation and coding strategy), under the condition of single link, the order of the MCS is reduced by one step when the first-order replication is improved, and the reliability of the resource scheduling process is improved more directly and effectively.
The uplink frequency domain repeated transmission parameters are configured according to the bandwidth resource condition, the uplink frequency domain repeated transmission parameters contain the frequency used for representing the frequency domain resource of the source transmission block to be copied, the frequency domain resource of the source transmission block is copied according to the frequency to obtain a plurality of repeated frequency domain resources, compared with the copying of the time domain resource in the prior art, the time required in the resource scheduling process is increased because the added repeated time domain resources are required to be scheduled to the terminal equipment one by one, the resource scheduling of the method starts from the frequency domain dimension, the time delay in the resource scheduling process is essentially not increased, the frequency domain resources of the plurality of repeated frequency domain resources and the frequency domain resource of the source transmission block are combined, and the combined frequency domain resources are scheduled to the terminal equipment, so that the terminal equipment decodes the combined frequency domain resources, and the safety and reliability of the frequency domain resources in the resource scheduling process are ensured. In addition, the resource scheduling method of the embodiment is simple to operate, only in the RRC added field, DCI is not required to be modified, protocol modification is small, the method is easy to realize, and the reliability of the resource scheduling process is improved on the premise that time delay is not sacrificed.
In some embodiments, the security of the resource scheduling process is reduced if the frequency domain resources of the plurality of repeated frequency domain resources and the frequency domain resources of the source transport block are directly combined and the similar encryption processing is not performed, and for the next time, the frequency domain resources of the plurality of repeated frequency domain resources and the frequency domain resources of the source transport block are sequenced according to a preset sequence and then combined, and the sequenced frequency domain resources correspond to a specific preset decoding identifier, and the specific process is based on the above S330, at least including S410, which is described in detail as follows:
s410: and arranging the frequency domain resources of the plurality of repeated frequency domain resources and the frequency domain resources of the source transmission block according to a preset sequence, combining the frequency domain resources, and determining a start decoding identifier and a stop decoding identifier which correspond to decoding of the combined frequency domain resources.
The step performs sorting and merging on the repeated frequency domain resources and the frequency domain resources of the source transmission block, namely sorting the repeated frequency domain resources and the frequency domain resources of the source transmission block according to a preset sequence, and then merging the sorted frequency domain resources, wherein the merged frequency domain resources are corresponding to specific initial decoding identifications and termination decoding identifications. For example, the start RB number is used as a start decoding flag, and the end RB number is used as a termination decoding flag.
Based on the above S340, at least S420 is further included, which is described in detail as follows:
s420: and scheduling the combined frequency domain resources to the terminal equipment so that the terminal equipment decodes the combined frequency domain resources according to the initial decoding identification and the termination decoding identification.
For S420, the base station side server schedules the combined frequency domain resources to the terminal device, and the terminal device receives the combined frequency domain resources and decodes the received combined frequency domain resources according to the start RB number and the end RB number.
The embodiment further defines how to combine the multiple repeated frequency domain resources and the frequency domain resources of the source transmission block, and in the combining process, the multiple frequency domain resources are ordered according to a preset sequence, so that the combined frequency domain resources correspond to a specific initial decoding identifier and a specific termination decoding identifier, and further, the terminal equipment performs decoding operation according to the initial decoding identifier and the termination decoding identifier corresponding to the combined frequency domain resources, so that the whole frequency domain resource scheduling process is safer and more reliable.
If the base station side server directly transmits the combined frequency domain resource, the start decoding identifier and the end decoding identifier to the terminal device, and the frequency domain resource and the decoding identifier are simultaneously and simultaneously transmitted by the same port, the frequency domain resource and the decoding identifier can not be simultaneously leaked, so that the safety of the resource scheduling process cannot be ensured.
S510: and adding the start decoding identifier and the termination decoding identifier to the downlink control information.
The S410 determines a start decoding identifier and a stop decoding identifier corresponding to the decoding operation performed on the combined frequency domain resources, and adds the start decoding identifier and the stop decoding identifier to DCI (Downlink Control Information ) at the same time or later.
Based on the above S420, at least S520 is included, and the following details are described below:
s520: and scheduling the combined frequency domain resources to the terminal equipment so that the terminal equipment decodes the combined frequency domain resources according to the initial decoding identification and the termination decoding identification contained in the downlink control information.
Exemplary S520 illustrates that after the terminal device obtains the combined frequency domain resource schedule, the terminal device obtains the combined frequency domain resource related information according to a Frequency domain resource assignment (frequency domain resource allocation) field in the DCI, where the frequency domain resource related information includes a start decoding identifier and a stop decoding identifier corresponding to the combined frequency domain resource, for example, the terminal device decodes the combined frequency domain resource according to the start RB number and the end RB number in the combined frequency domain resource related information.
The embodiment further limits that the terminal equipment obtains the initial decoding identifier and the termination decoding identifier from the downlink control information, the combined frequency domain resources can be decoded only by the specific decoding identifier, the paths of the terminal equipment for obtaining the combined frequency domain resources and the decoding identifiers are different, the fact that the combined frequency domain resources are not simultaneously leaked in the scheduling process is guaranteed, the frequency domain resource scheduling process is safer, the terminal equipment decodes the combined frequency domain resources according to the specific decoding identifier, the pertinence is stronger, and the occurrence of an unnecessary decoding process is avoided.
The resource scheduling process of the present application is closely related to the resource amount of the bandwidth resource, for example, the bandwidth of the base station side server and the BWP parameter configuration will affect the resource scheduling process of the present application, especially the configuration of the uplink frequency domain repeated transmission parameter will be affected by the resource amount of the bandwidth resource of the base station side server, for this reason, in another exemplary embodiment, the process of configuring the uplink frequency domain repeated transmission parameter according to the current resource amount of the idle bandwidth resource of the base station side server is defined, and referring specifically to fig. 6, fig. 6 is a flowchart of the process of configuring the uplink frequency domain repeated transmission parameter according to the bandwidth resource situation proposed based on the embodiment shown in fig. 3. Based on S310 shown in fig. 3, S610 to S620 are further included, and the following details are described below:
S610: and acquiring the resource quantity of the current first idle bandwidth resource.
The method comprises the steps of obtaining the current resource quantity of bandwidth resources of a base station side server and judging whether the resource quantity of idle bandwidth resources is sufficient.
S620: if the resource quantity of the first idle bandwidth resource is larger than a first preset resource quantity threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource quantity of the first idle bandwidth resource.
The first preset resource amount threshold is not a unique fixed value, and can be adjusted in real time according to the model of the server at the terminal base station side, and the specific value is not limited in this embodiment.
For the exemplary illustration of S620, the first preset resource amount threshold is 100, if the resource amount of the first idle bandwidth resource is 300, that is, the resource amount of the first idle bandwidth resource is greater than the first preset resource amount threshold, which indicates that the existing idle bandwidth resource of the base station side server itself is sufficient, the resource scheduling method of this embodiment may be executed, and the number of times contained in the uplink frequency domain retransmission parameter is configured according to the resource amount of the first idle bandwidth resource, where the number of times refers to the number of times that the uplink frequency domain retransmission parameter contains a frequency domain resource for characterizing the source transport block for replication, for example, the resource amount of the first idle bandwidth resource is 300, and the number of times contained in the uplink frequency domain retransmission parameter is configured according to the resource amount of the bandwidth resource of 300, which corresponds to the number of times being 3, that is, 3 times of replication is performed on the frequency domain resource of the source transport block.
The embodiment further limits that the current idle bandwidth resource amount of the base station side server is a precondition for the occurrence or non-occurrence of the resource scheduling process, when the idle bandwidth resource amount is larger than a first preset resource amount threshold, the resource scheduling process is executed, the times contained in the uplink frequency domain repeated transmission parameters are configured according to the idle bandwidth resource amount, the times of copying the frequency domain resources of the source transmission block are accurately determined, the situation that the copied frequency domain resources exceed the bandwidth load due to excessive copying times is avoided, and therefore channel blockage is avoided in the frequency domain resource scheduling process.
In another exemplary embodiment, the uplink frequency domain repeated transmission parameter is further defined according to the current amount of idle bandwidth resources of the terminal device, referring specifically to fig. 7, fig. 7 is a flowchart of another procedure for configuring the uplink frequency domain repeated transmission parameter according to the bandwidth resource situation according to the embodiment shown in fig. 3. Based on S310, this step specifically includes S710 to S720, which are described in detail below:
s710: and acquiring the resource quantity of the current second idle bandwidth resource of the terminal equipment.
The embodiment takes the resource quantity of the current idle bandwidth resource of the terminal equipment as a precondition for judging whether the resource scheduling process is carried out or not.
S720: and if the resource quantity of the second idle bandwidth resource is larger than the second idle bandwidth resource quantity threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource quantity of the second idle bandwidth resource.
The second preset resource amount threshold is not a unique fixed value, and the value of the second preset resource amount threshold may be the same as or different from the value of the first preset resource amount threshold, so that the resource amount of the first idle bandwidth resource and the resource amount of the second idle bandwidth resource may be the same as or different from each other, and the number of times contained in the configured uplink frequency domain repeated transmission parameters corresponding to the first idle bandwidth resource and the second idle bandwidth resource may be the same as or different from each other.
For the exemplary illustration of S720, the second preset resource amount threshold is 200, if the resource amount of the second idle bandwidth resource is 300, the number of times contained in the uplink frequency domain repeated transmission parameter is configured according to the resource amount of the bandwidth resource of 300, and if the corresponding number of times is 3, that is, the number of times of copying the frequency domain resource of the source transport block is 3.
In particular, the process of configuring the uplink frequency domain repeated transmission parameter in this embodiment may be further overlapped with the process of configuring the uplink frequency domain repeated transmission parameter in the embodiment shown in fig. 6, that is, the current resource amount of the first idle bandwidth resource and the current resource amount of the second idle bandwidth resource of the terminal device are obtained, if the resource amount of the first idle bandwidth resource is greater than the first preset resource amount threshold and the resource amount of the second idle bandwidth resource is greater than the second idle bandwidth resource amount threshold, the number of times contained in the uplink frequency domain repeated transmission parameter is configured according to the resource amount of the first idle bandwidth resource and the resource amount of the second idle bandwidth resource, and this embodiment does not limit the specific process.
The embodiment further limits that the current idle bandwidth resource amount of the terminal equipment is a precondition for the occurrence or non-occurrence of the resource scheduling process, namely, the resource scheduling process is executed when the idle bandwidth resource amount of the terminal equipment is larger than a second preset resource amount threshold, the number of times contained in the uplink frequency domain repeated transmission parameter is configured according to the idle bandwidth resource amount of the terminal equipment, the number of times of copying the frequency domain resource of the source transmission block is accurately determined, the situation that the copied frequency domain resource exceeds the bandwidth load due to excessive copying times is avoided, and channel blockage is avoided in the frequency domain resource scheduling process.
If the triggering condition does not exist in the resource scheduling process, the resource scheduling process is not executed or is performed when the resource scheduling is not needed, so that the scheduling resource is wasted. The method further includes S810 to S820 based on S310 to S340, and the following details are described below:
S810: and detecting whether the preset configuration time point is reached currently.
The preset configuration time point is preset according to the bandwidth, BWP, available frequency domain resources and the like of the base station side server, and generally, the preset configuration time point is idle time, that is, a time point with less resource scheduling requirements, for example, when the terminal device is a mobile phone, a period with less resource requirements can be known according to the rest time of most mobile phone users, and most mobile phone users are in a period of 01:00 to 06: the frequency of using the mobile phone in the 00 time period is low, namely the resource scheduling demand of the terminal equipment in the time period is small, and a certain time point in the time period can be selected as a preset configuration time point.
S820: if the preset configuration time point is reached, the uplink frequency domain repeated transmission parameters are configured according to the bandwidth resource condition.
If the preset configuration time point is reached, configuring uplink frequency domain repeated transmission parameters according to the configuration uplink frequency domain repeated transmission parameters, wherein the uplink frequency domain repeated transmission parameters can be configured according to the corresponding parameter values in the preset table, for example, configuring the uplink frequency domain repeated transmission parameters according to parameter values such as the resource quantity of idle bandwidth resources of the base station side server and/or the terminal equipment, the resource quantity of total bandwidth resources of the base station side server and/or the terminal equipment, and the like. The uplink frequency domain repeated sending parameters are configured according to the bandwidth resource conditions of the base station side server and/or the terminal equipment, wherein the bandwidth resource conditions comprise the resource quantity of idle bandwidth resources of the base station side server and/or the terminal equipment, and the like, and the embodiment is not limited.
For the exemplary illustration of S820, if the preset configuration time point is 02:00, the current time point reaches 02: and 00, configuring uplink frequency domain repeated transmission parameters according to the idle bandwidth resources of the base station side server or the idle bandwidth resources of the terminal equipment, and configuring uplink frequency domain repeated transmission parameters according to the resource quantity of the idle bandwidth resources of the base station side server and the resource quantity of the idle bandwidth resources of the terminal equipment.
The embodiment limits the time condition for configuring the uplink frequency domain repeated transmission parameters, so that the server can automatically configure the uplink frequency domain repeated transmission parameters according to the bandwidth resource condition at the preset configuration time point, the occurrence time of the resource scheduling process can be better controlled, the automatic configuration can be performed at the preset configuration time point without related resource scheduling requests, and the idle time resource scheduling process can be automatically optimized.
In another exemplary embodiment, another precondition for executing the resource scheduling process of the present application is provided, which may be overlapped with the above-mentioned precondition, or may be used alone as a precondition trigger for executing the resource scheduling process, and referring specifically to fig. 9, fig. 9 is a flowchart of another resource scheduling method according to another exemplary embodiment of the present application. The method further includes S910 to S920 based on S310 to S340, which are described in detail below:
S910: and detecting whether a resource scheduling request sent by the terminal equipment is received.
The resource scheduling process of this embodiment is performed only when the resource request sent by the terminal device is detected, for example, when the resource amount of the idle bandwidth resource of the terminal device is greater than the second preset resource amount threshold, the terminal device sends the resource scheduling request to the base station side server.
S920: if the resource scheduling request is received, the uplink frequency domain repeated sending parameter is configured according to the bandwidth resource condition.
The bandwidth resource condition of this embodiment includes the resource amount of the idle bandwidth resource of the base station side server and/or the terminal device, the resource amount of the total bandwidth resource of the base station side server and/or the terminal device, and the like. For example, when a resource scheduling request sent by a terminal device is received, uplink frequency domain repeated sending parameters are configured according to the bandwidth resource condition of the terminal device. The uplink frequency domain repeated transmission parameter can be configured according to the resource amount of the idle bandwidth resource of the terminal equipment, or the uplink frequency domain repeated transmission parameter can be configured according to the resource amount of the total bandwidth resource of the terminal equipment.
For example, the precondition of the resource scheduling process of the present embodiment may be further overlapped with the precondition in the resource scheduling process shown in fig. 8, that is, when it is detected that the current time reaches the preset configuration time point and the resource scheduling request of the terminal device is received, the uplink frequency domain repeated transmission parameter is configured according to the bandwidth resource situation, for example, the uplink frequency domain repeated transmission parameter is configured according to the resource amounts of the current idle bandwidth resources of the base station side server and the terminal device.
The resource scheduling process of the embodiment needs to be executed after receiving the resource scheduling request of the terminal equipment, namely, the execution condition of resource scheduling is limited, the resource scheduling is performed after the resource scheduling request sent by the terminal equipment is detected, the resource scheduling process can be triggered in real time, the unnecessary resource scheduling process is avoided, the data processing process is reduced, and therefore scheduling resources are prevented from being wasted.
Another aspect of the present application further provides a resource scheduling device, as shown in fig. 10, and fig. 10 is a schematic diagram of a structure of the resource scheduling device according to an exemplary embodiment of the present application. Wherein, the resource scheduling device includes:
a configuration module 1010 configured to configure an uplink frequency domain repeated transmission parameter according to a bandwidth resource condition, where the uplink frequency domain repeated transmission parameter contains a number of times for characterizing copying of a frequency domain resource for a source transport block;
a duplication module 1030 configured to duplicate the frequency domain resources of the source transport block according to the number of times to obtain a plurality of repeated frequency domain resources;
a combining module 1050 configured to combine the plurality of repeated frequency domain resources with the frequency domain resources of the source transport block;
the scheduling module 1070 is configured to schedule the combined frequency domain resources to the terminal device, so that the terminal device decodes the combined frequency domain resources.
In another embodiment, the merge module 1050 is specifically configured to: and arranging the frequency domain resources of the plurality of repeated frequency domain resources and the frequency domain resources of the source transmission block according to a preset sequence, combining the frequency domain resources, and determining a start decoding identifier and a stop decoding identifier which correspond to decoding of the combined frequency domain resources.
The scheduling module 1070 is specifically configured to schedule the combined frequency domain resources to the terminal device, so that the terminal device decodes the combined frequency domain resources according to the start decoding identifier and the end decoding identifier.
In another embodiment, the resource scheduling apparatus further includes:
and the identification module is configured to add the start decoding identification and the end decoding identification to the downlink control information.
The scheduling module 1070 is specifically configured to schedule the combined frequency domain resources to the terminal device, so that the terminal device decodes the combined frequency domain resources according to the start decoding identifier and the end decoding identifier contained in the downlink control information.
In another embodiment, the configuration module 1010 includes:
the first acquisition and comparison unit is configured to acquire the current resource quantity of the first idle bandwidth resource; if the resource quantity of the first idle bandwidth resource is larger than a first preset resource quantity threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource quantity of the first idle bandwidth resource.
In another embodiment, the configuration module 1010 includes:
the second acquisition and comparison unit is configured to acquire the current resource quantity of the second idle bandwidth resource of the terminal equipment; if the resource amount of the second idle bandwidth resource is larger than a second preset resource amount threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource amount of the second idle bandwidth resource.
In another embodiment, the resource scheduling apparatus further includes:
the time detection configuration module is configured to detect whether a preset configuration time point is reached currently; if the preset configuration time point is reached, the uplink frequency domain repeated transmission parameters are configured according to the bandwidth resource condition.
In another embodiment, the resource scheduling apparatus further includes:
the request detection configuration module is configured to detect whether a resource scheduling request sent by the terminal equipment is received or not; if the resource scheduling request is received, the uplink frequency domain repeated sending parameter is configured according to the bandwidth resource condition.
It should be noted that, the resource scheduling device provided in the foregoing embodiment and the resource scheduling method provided in the foregoing embodiment belong to the same concept, and a specific manner in which each module and unit perform an operation has been described in detail in the method embodiment, which is not described herein again.
Another aspect of the present application also provides an electronic device, including: a controller; and a memory for storing one or more programs that, when executed by the controller, perform the method of resource scheduling in the various embodiments described above.
Referring to fig. 11, fig. 11 is a schematic structural diagram of a computer system of an electronic device according to an exemplary embodiment of the present application, which illustrates a schematic structural diagram of a computer system suitable for implementing the electronic device according to the embodiments of the present application.
It should be noted that, the computer system 1100 of the electronic device shown in fig. 11 is only an example, and should not impose any limitation on the functions and the application scope of the embodiments of the present application.
As shown in fig. 11, the computer system 1100 includes a central processing unit (Central Processing Unit, CPU) 1101 that can perform various appropriate actions and processes, such as performing the methods in the above-described embodiments, according to a program stored in a Read-Only Memory (ROM) 1102 or a program loaded from a storage section 1108 into a random access Memory (Random Access Memory, RAM) 1103. In the RAM 1103, various programs and data required for system operation are also stored. The CPU 1101, ROM 1102, and RAM 1103 are connected to each other by a bus 1104. An Input/Output (I/O) interface 1105 is also connected to bus 1104.
The following components are connected to the I/O interface 1105: an input section 1106 including a keyboard, a mouse, and the like; an output portion 1107 including a Cathode Ray Tube (CRT), a liquid crystal display (Liquid Crystal Display, LCD), and a speaker; a storage section 1108 including a hard disk or the like; and a communication section 1109 including a network interface card such as a LAN (Local Area Network ) card, a modem, or the like. The communication section 1109 performs communication processing via a network such as the internet. The drive 1110 is also connected to the I/O interface 1105 as needed. Removable media 1111, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like, is installed as needed in drive 1110, so that a computer program read therefrom is installed as needed in storage section 1108.
In particular, according to embodiments of the present application, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising a computer program for performing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from a network via the communication portion 1109, and/or installed from the removable media 1111. When executed by a Central Processing Unit (CPU) 1101, performs the various functions defined in the system of the present application.
It should be noted that, the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium may be, for example, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-Only Memory (ROM), an erasable programmable read-Only Memory (Erasable Programmable Read Only Memory, EPROM), flash Memory, an optical fiber, a portable compact disc read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present application, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with a computer-readable computer program embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. A computer program embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Where each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present application may be implemented by means of software, or may be implemented by means of hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
Another aspect of the present application also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a resource scheduling method as before. The computer-readable storage medium may be included in the electronic device described in the above embodiment or may exist alone without being incorporated in the electronic device.
Another aspect of the present application also provides a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the resource scheduling method provided in the above-described respective embodiments.
According to an aspect of the embodiments of the present application, there is also provided a computer system including a central processing unit (Central Processing Unit, CPU) which can perform various appropriate actions and processes, such as performing the method in the above embodiments, according to a program stored in a Read-Only Memory (ROM) or a program loaded from a storage section into a random access Memory (Random Access Memory, RAM). In the RAM, various programs and data required for the system operation are also stored. The CPU, ROM and RAM are connected to each other by a bus. An Input/Output (I/O) interface is also connected to the bus.
The following components are connected to the I/O interface: an input section including a keyboard, a mouse, etc.; an output section including a Cathode Ray Tube (CRT), a liquid crystal display (Liquid Crystal Display, LCD), and the like, and a speaker, and the like; a storage section including a hard disk or the like; and a communication section including a network interface card such as a LAN (Local Area Network ) card, a modem, or the like. The communication section performs communication processing via a network such as the internet. The drives are also connected to the I/O interfaces as needed. Removable media such as magnetic disks, optical disks, magneto-optical disks, semiconductor memories, and the like are mounted on the drive as needed so that a computer program read therefrom is mounted into the storage section as needed.
The foregoing is merely a preferred exemplary embodiment of the present application and is not intended to limit the embodiments of the present application, and those skilled in the art may make various changes and modifications according to the main concept and spirit of the present application, so that the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A method for scheduling resources, comprising:
Configuring an uplink frequency domain repeated transmission parameter according to the condition of bandwidth resources, wherein the uplink frequency domain repeated transmission parameter contains the frequency used for representing the frequency domain resource copying of a source transmission block;
copying the frequency domain resources of the source transmission block according to the times to obtain a plurality of repeated frequency domain resources;
the repeated frequency domain resources and the frequency domain resources of the source transmission block are combined after being sequenced according to a preset sequence, and a start decoding identifier and a termination decoding identifier corresponding to decoding of the combined frequency domain resources are determined;
adding the initial decoding identifier and the termination decoding identifier to downlink control information;
and scheduling the combined frequency domain resources to terminal equipment so that the terminal equipment decodes the combined frequency domain resources according to the initial decoding identification and the termination decoding identification contained in the downlink control information.
2. The method according to claim 1, wherein the configuring uplink frequency domain retransmission parameters according to the bandwidth resource situation includes:
acquiring the current resource quantity of the first idle bandwidth resource;
and if the resource quantity of the first idle bandwidth resource is larger than a first preset resource quantity threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource quantity of the first idle bandwidth resource.
3. The method according to claim 1, wherein the configuring uplink frequency domain retransmission parameters according to the bandwidth resource situation includes:
acquiring the resource quantity of the current second idle bandwidth resource of the terminal equipment;
and if the resource quantity of the second idle bandwidth resource is larger than a second idle bandwidth resource quantity threshold, configuring the times contained in the uplink frequency domain repeated transmission parameters according to the resource quantity of the second idle bandwidth resource.
4. A method according to any one of claims 1 to 3, further comprising:
detecting whether a preset configuration time point is reached at present;
and if the preset configuration time point is reached, configuring uplink frequency domain repeated transmission parameters according to the bandwidth resource condition.
5. A method according to any one of claims 1 to 3, further comprising:
detecting whether a resource scheduling request sent by the terminal equipment is received or not;
and if the resource scheduling request is received, configuring uplink frequency domain repeated transmission parameters according to the bandwidth resource condition.
6. A resource scheduling apparatus, comprising:
the configuration module is configured to configure uplink frequency domain repeated transmission parameters according to the bandwidth resource condition, wherein the uplink frequency domain repeated transmission parameters contain the frequency used for representing the frequency domain resource copying times aiming at the source transmission block;
The copying module is configured to copy the frequency domain resources of the source transmission block according to the times to obtain a plurality of repeated frequency domain resources;
the merging module is configured to merge the repeated frequency domain resources and the frequency domain resources of the source transmission block after sequencing according to a preset sequence, and determine a start decoding identifier and a stop decoding identifier corresponding to decoding the merged frequency domain resources;
the identification module is configured to add the initial decoding identification and the termination decoding identification to downlink control information;
and the scheduling module is configured to schedule the combined frequency domain resources to terminal equipment so that the terminal equipment decodes the combined frequency domain resources according to the initial decoding identifier and the termination decoding identifier contained in the downlink control information.
7. An electronic device, comprising:
a controller;
a memory for storing one or more programs that, when executed by the controller, cause the controller to implement the resource scheduling method of any of claims 1-5.
8. A computer readable storage medium having stored thereon computer readable instructions which, when executed by a processor of a computer, cause the computer to perform the resource scheduling method of any of claims 1 to 5.
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| WO2022021356A1 (en) * | 2020-07-31 | 2022-02-03 | Apple Inc. | User equipment complexity reduction for physical downlink control channel repetition reception |
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| CN108632191A (en) * | 2017-03-24 | 2018-10-09 | 中兴通讯股份有限公司 | physical uplink control channel configuration method, base station and user equipment |
| KR20180137342A (en) * | 2017-06-16 | 2018-12-27 | 주식회사 윌러스표준기술연구소 | Method, apparatus, and system for receiving pdsch in wireless communication system |
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