CN110719610A - Method and device for seizing service resources - Google Patents
Method and device for seizing service resources Download PDFInfo
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- CN110719610A CN110719610A CN201810755102.2A CN201810755102A CN110719610A CN 110719610 A CN110719610 A CN 110719610A CN 201810755102 A CN201810755102 A CN 201810755102A CN 110719610 A CN110719610 A CN 110719610A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- 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]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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Abstract
The application provides a method and a device for seizing service resources, wherein the method comprises the following steps: reserving resources for the delay sensitive service; when determining that available resources except the reserved resources cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resources are not occupied, if determining that the PDCCH period of the non-delay-sensitive service to be subjected to data transmission is smaller than a preset PDCCH period threshold and the service priority is higher than a preset priority threshold, allocating the reserved resources to the non-delay-sensitive service to perform data transmission. The method can fully utilize the resources in the system under the condition of meeting the time delay requirement of the time delay sensitive service.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for seizing a service resource.
Background
Radio resource packet scheduling is a key technology in Long Term Evolution (LTE) system design, and is an important ring for ensuring Quality of Service (QoS) of multiple services for each user, satisfying user fairness, and maintaining stable operation of the system.
How to provide quality assurance for various services in a severe wireless propagation environment and under the condition that users interfere with each other, and simultaneously, the method makes full use of precious wireless spectrum resources is a problem that an LTE system must be seriously solved. The packet scheduling comprises uplink scheduling and downlink scheduling, and Resource Block (RB) Resource allocation is carried out according to various factors such as current channel indication, service quality and scheduling state of different users, so that the Resource allocation at each time is ensured not to be wasted as much as possible, and user perception is improved.
In an industry private network, some services have higher requirements on time delay, and are called time delay sensitive services, such as millisecond-level accurate load control services, which are referred to as accurate control services for short; if the resources cannot be allocated in time when the service arrives, the time delay of the service is increased, and the actual application requirements of the service cannot be met.
In practical application, resources are reserved for the delay sensitive service based on the reasons, and when the delay sensitive service arrives, the resources are provided for data transmission.
However, in such an implementation scheme, when there are a large number of delay-sensitive services in the system and no data is transmitted temporarily, the system resources are occupied a lot, which may cause other services having data to be transmitted to have no resources or insufficient resources to transmit service data.
Disclosure of Invention
In view of this, the present application provides a method and an apparatus for seizing service resources, which can fully utilize resources in a system under the condition that a delay requirement of a delay sensitive service is satisfied.
In order to solve the technical problem, the technical scheme of the application is realized as follows:
a method for seizing service resources comprises the following steps:
reserving resources for the delay sensitive service;
when determining that available resources except the reserved resources cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resources are not occupied, if determining that the PDCCH period of the non-delay-sensitive service to be subjected to data transmission is smaller than a preset PDCCH period threshold and the service priority is higher than a preset priority threshold, allocating the reserved resources to the non-delay-sensitive service to perform data transmission.
Wherein the method further comprises:
when determining that the delay sensitive service has data to be transmitted, determining whether a resource reserved for the delay sensitive service is occupied, if so, starting to transmit the data of the delay sensitive service on the reserved resource when a PDCCH (physical Downlink control channel) period of the service occupying the reserved resource is ended; otherwise, the data of the delay sensitive service is transmitted by using the reserved resources.
Wherein the method further comprises:
and when determining that the available resources except the reserved resources cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resources are occupied, not allocating resources for the non-delay-sensitive service needing transmission currently.
Wherein the content of the first and second substances,
when the non-delay sensitive service occupies the reserved resource for data transmission and data is not completely transmitted and is seized by the resource, determining whether the resources except the currently reserved resource can meet the data transmission of the non-delay sensitive service, if so, allocating the resources except the reserved resource for the non-delay sensitive service for data transmission; otherwise, the transmission of the data of the non-delay sensitive service is suspended.
Wherein the content of the first and second substances,
when the reserved resources are allocated to the current non-delay-sensitive service to be transmitted, if the reserved resources can meet the resource requirement of the non-delay-sensitive service to be transmitted, the reserved resources are allocated to the non-delay-sensitive service; or allocating a part of the reserved resources and available resources other than the reserved resources.
A service resource preemption device, the device comprising: a reservation unit, a determination unit and a distribution unit;
the reservation unit is used for reserving resources for the time delay sensitive service;
the determining unit is configured to, when it is determined that the available resources other than the resources reserved by the reserving unit cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resources are not occupied, further determine whether a PDCCH period of the non-delay-sensitive service to be subjected to data transmission is smaller than a preset PDCCH period threshold and whether a service priority is higher than a preset priority threshold;
and the allocation unit is used for allocating the reserved resources to the non-delay sensitive service for data transmission if the determining unit determines that the PDCCH period of the non-delay sensitive service for data transmission is smaller than a preset PDCCH period threshold and the service priority is higher than a preset priority threshold.
Wherein the content of the first and second substances,
the determining unit is further configured to determine whether a resource reserved for the delay-sensitive service is occupied when it is determined that the delay-sensitive service has data to transmit;
the allocating unit is further configured to start transmitting data of the delay-sensitive service on the reserved resource when the determining unit determines that the reserved resource is occupied and the PDCCH cycle of the service occupying the reserved resource is ended; otherwise, the data of the delay sensitive service is transmitted by using the reserved resources.
Wherein the content of the first and second substances,
the allocating unit is further configured to not allocate resources to the current non-delay-sensitive service that needs to be transmitted when the determining unit determines that the available resources other than the reserved resources cannot meet the resource requirement of the non-delay-sensitive service that needs to perform data transmission and the reserved resources are occupied.
Wherein the content of the first and second substances,
the allocation unit is further configured to determine whether resources other than the currently reserved resources can satisfy data transmission of the non-delay sensitive service when the non-delay sensitive service occupies the reserved resources for data transmission and data is not completely transmitted and is preempted by the resources;
the allocating unit is further configured to allocate the resources other than the reserved resources for the non-delay-sensitive service to perform data transmission when the determining unit determines that the resources other than the currently reserved resources can meet the data transmission requirement of the non-delay-sensitive service; otherwise, the transmission of the data of the non-delay sensitive service is suspended.
Wherein the content of the first and second substances,
the determining unit is further configured to determine whether the reserved resources can meet the resource requirement of the non-delay-sensitive service to be transmitted when the reserved resources are allocated to the non-delay-sensitive service to be transmitted currently;
the allocating unit is further configured to allocate all reserved resources for the non-delay-sensitive service if the resources reserved by the determining unit can meet the resource requirement of the non-delay-sensitive service to be transmitted; or allocating partial reserved resources, and jointly transmitting the non-delay-sensitive service by using the available resources except the reserved resources.
According to the technical scheme, the resources are reserved for the delay sensitive service, when the delay sensitive service has no data transmission, the reserved resources are temporarily allocated to the non-delay sensitive service needing data transmission, and the resources in the system can be fully utilized under the condition that the delay requirement of the delay sensitive service is met.
Drawings
Fig. 1 is a schematic diagram illustrating a service resource preemption process in a first embodiment of the present application;
fig. 2 is a schematic diagram illustrating a service resource preemption flow in the second embodiment of the present application;
fig. 3 is a schematic diagram of a service resource preemption flow in the third embodiment of the present application;
fig. 4 is a schematic structural diagram of an apparatus applied to the above-described technology in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the technical solutions of the present invention are described in detail below with reference to the accompanying drawings and examples.
The embodiment of the application provides a method for seizing service resources, which reserves resources for delay sensitive services, temporarily allocates the reserved resources to non-delay sensitive services needing data transmission when the delay sensitive services have no data transmission, and can fully utilize the resources in a system under the condition of meeting the delay requirement of the delay sensitive services.
The following describes a service resource preemption process in the embodiment of the present application in detail with reference to the accompanying drawings.
When the method is implemented, the base station reserves resources for the time delay sensitive service in advance, and reduces the time delay of applying for the resources by the time delay sensitive service.
The reserved resources are time-frequency resources, the reservation mode is realized in the prior art, and corresponding time-frequency resources are reserved for the time delay sensitive service according to the transmission rate of the time delay sensitive service and the like.
Example one
Referring to fig. 1, fig. 1 is a schematic view of a service resource preemption process in a first embodiment of the present application. The method specifically comprises the following steps:
When the delay sensitive service has no data transmission, temporarily allocating the reserved resources to a non-delay sensitive service which needs to perform data transmission, wherein the non-delay sensitive service is required to meet the following two conditions: the PDCCH period of the non-delay sensitive service is smaller than a preset PDCCH period threshold, and the service priority is higher than a preset priority threshold.
Example two
Data transmission for non-delay sensitive traffic.
Referring to fig. 2, fig. 2 is a schematic view of a service resource preemption process in the second embodiment of the present application. The method specifically comprises the following steps:
If the available resources except the resources reserved for the delay sensitive service can meet the data transmission requirement of the non-delay sensitive service, the available resources except the resources reserved for the delay sensitive service are preferentially allocated to the non-delay sensitive service for data transmission.
When the base station allocates the reserved resources to the non-delay sensitive service to be transmitted currently, if the reserved resources can meet the resource requirement of the non-delay sensitive service to be transmitted, the base station allocates the reserved resources to the non-delay sensitive service completely; or allocating partial reserved resources, and jointly transmitting the non-delay-sensitive service by using the available resources except the reserved resources. That is, when the reserved resource size can satisfy the data transmission of the non-delay-sensitive service, the reserved resource may be used for the data transmission of the non-delay-sensitive service, or the reserved resource and the available resource other than the reserved resource may be used for the data transmission of the non-delay-sensitive service together.
In this embodiment, when the resources reserved for the delay-sensitive service are idle, the reserved resources may be temporarily used for data transmission for the non-delay-sensitive service with a small PDCCH period and a high priority.
EXAMPLE III
For the transmission of delay sensitive traffic.
Referring to fig. 3, fig. 3 is a schematic diagram of a service resource preemption flow in a third embodiment of the present application. The method specifically comprises the following steps:
step 301, the base station determines that the delay sensitive service has data to transmit.
Step 302, the base station determines whether the resources reserved for the delay sensitive service are occupied, if so, step 303 is executed; otherwise, step 304 is performed.
Step 303, when the PDCCH cycle of the service occupying the reserved resource is finished, the base station starts to transmit the data of the delay sensitive service on the reserved resource, and the process is finished.
In the embodiment of the application, when a non-delay sensitive service occupies a reserved resource for data transmission and data is not completely transmitted and is preempted by the resource, that is, the non-delay sensitive service occupies the reserved resource for data transmission and is preempted by other services (delay sensitive service or non-delay sensitive service) at the end of a PDCCH period, determining whether resources except the currently reserved resource can meet the data transmission of the non-delay sensitive service, and if so, allocating the resources except the reserved resource for the non-delay sensitive service for data transmission; otherwise, the transmission of the data of the non-delay sensitive service is suspended. And when available resources (reserved resources and resources except the reserved resources) are available, preempting the available resources again for data transmission.
And step 304, the base station transmits the data of the delay sensitive service by using the reserved resources.
When the resources reserved for the delay-sensitive service are occupied, immediately switching the resources reserved for the delay-sensitive service back to the delay-sensitive service for use when the current PDCCH period of the service occupying the resources is ended.
Based on the same inventive concept, the embodiment of the present application further provides a service resource preemption device. Referring to fig. 4, fig. 4 is a schematic structural diagram of an apparatus applied to the above technology in the embodiment of the present application. The device includes: a reservation unit 401, a determination unit 402 and an allocation unit 403;
a reservation unit 401, configured to reserve resources for the delay sensitive service;
a determining unit 402, configured to, when it is determined that an available resource other than the resource reserved by the reservation unit 401 cannot meet a resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resource is not occupied, further determine whether a PDCCH period of the non-delay-sensitive service to be subjected to data transmission is smaller than a preset PDCCH period threshold and whether a service priority is higher than a preset priority threshold;
an allocating unit 403, configured to, if the determining unit 402 determines that the PDCCH period of the non-delay-sensitive service to be subjected to data transmission is smaller than a preset PDCCH period threshold and the service priority is higher than a preset priority threshold, allocate the reserved resource to the non-delay-sensitive service for data transmission.
Preferably, the first and second liquid crystal films are made of a polymer,
a determining unit 402, configured to determine whether a resource reserved for the delay-sensitive service is occupied when it is determined that the delay-sensitive service has data to transmit;
an allocating unit 403, further configured to, when the determining unit 402 determines that the reserved resource is occupied, start to transmit data of the delay-sensitive service on the reserved resource when a PDCCH period of the service occupying the reserved resource ends; otherwise, the data of the delay sensitive service is transmitted by using the reserved resources.
Preferably, the first and second liquid crystal films are made of a polymer,
an allocating unit 403, configured to, when the determining unit 402 determines that the available resources other than the reserved resources cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission, and the reserved resources are occupied, not allocate resources for the non-delay-sensitive service that needs to be currently transmitted.
Preferably, the first and second liquid crystal films are made of a polymer,
an allocating unit 403, further configured to determine whether resources other than the currently reserved resources can satisfy data transmission of the non-delay sensitive service when the non-delay sensitive service occupies the reserved resources for data transmission and data is not completely transmitted and is preempted by the resources;
an allocating unit 403, configured to allocate, when the determining unit 402 determines that the resources other than the currently reserved resources can meet the data transmission of the non-delay-sensitive service, the resources other than the reserved resources for the non-delay-sensitive service to perform data transmission; otherwise, the transmission of the data of the non-delay sensitive service is suspended.
Preferably, the first and second liquid crystal films are made of a polymer,
a determining unit 402, configured to determine whether the reserved resource can meet a resource requirement of the non-delay-sensitive service to be transmitted when the reserved resource is allocated to the non-delay-sensitive service to be transmitted currently;
an allocating unit 403, further configured to allocate, if the resource reserved by the determining unit 402 can meet the resource requirement of the non-delay-sensitive service to be transmitted, all the reserved resources for the non-delay-sensitive service; or allocating partial reserved resources, and jointly transmitting the non-delay-sensitive service by using the available resources except the reserved resources.
The units of the above embodiments may be integrated into one body, or may be separately deployed; may be combined into one unit or further divided into a plurality of sub-units.
In summary, the present application reserves resources for the delay sensitive service, and temporarily allocates the reserved resources to the non-delay sensitive service requiring data transmission when the delay sensitive service has no data transmission, so as to fully utilize the resources in the system under the condition of satisfying the delay requirement of the delay sensitive service.
When the resources reserved for the delay sensitive service are occupied, the resources reserved for the delay sensitive service are immediately switched back to the delay sensitive service for use when the current PDCCH period of the service occupying the resources is ended, so that the high delay requirement of the delay sensitive service is fully ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for seizing service resources is characterized in that the method comprises the following steps:
reserving resources for the delay sensitive service;
when determining that available resources except the reserved resources cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resources are not occupied, if determining that the PDCCH period of the non-delay-sensitive service to be subjected to data transmission is smaller than a preset PDCCH period threshold and the service priority is higher than a preset priority threshold, allocating the reserved resources to the non-delay-sensitive service to perform data transmission.
2. The method of claim 1, further comprising:
when determining that the delay sensitive service has data to be transmitted, determining whether a resource reserved for the delay sensitive service is occupied, if so, starting to transmit the data of the delay sensitive service on the reserved resource when a PDCCH (physical Downlink control channel) period of the service occupying the reserved resource is ended; otherwise, the data of the delay sensitive service is transmitted by using the reserved resources.
3. The method of claim 1, further comprising:
and when determining that the available resources except the reserved resources cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resources are occupied, not allocating resources for the non-delay-sensitive service needing transmission currently.
4. The method of claim 1,
when the non-delay sensitive service occupies the reserved resource for data transmission and data is not completely transmitted and is seized by the resource, determining whether the resources except the currently reserved resource can meet the data transmission of the non-delay sensitive service, if so, allocating the resources except the reserved resource for the non-delay sensitive service for data transmission; otherwise, the transmission of the data of the non-delay sensitive service is suspended.
5. The method according to any one of claims 1 to 4,
when the reserved resources are allocated to the current non-delay-sensitive service to be transmitted, if the reserved resources can meet the resource requirement of the non-delay-sensitive service to be transmitted, the reserved resources are allocated to the non-delay-sensitive service; or allocating a part of the reserved resources and available resources other than the reserved resources.
6. A service resource preemption device, comprising: a reservation unit, a determination unit and a distribution unit;
the reservation unit is used for reserving resources for the time delay sensitive service;
the determining unit is configured to, when it is determined that the available resources other than the resources reserved by the reserving unit cannot meet the resource requirement of the non-delay-sensitive service to be subjected to data transmission and the reserved resources are not occupied, further determine whether a PDCCH period of the non-delay-sensitive service to be subjected to data transmission is smaller than a preset PDCCH period threshold and whether a service priority is higher than a preset priority threshold;
and the allocation unit is used for allocating the reserved resources to the non-delay sensitive service for data transmission if the determining unit determines that the PDCCH period of the non-delay sensitive service for data transmission is smaller than a preset PDCCH period threshold and the service priority is higher than a preset priority threshold.
7. The apparatus of claim 6,
the determining unit is further configured to determine whether a resource reserved for the delay-sensitive service is occupied when it is determined that the delay-sensitive service has data to transmit;
the allocating unit is further configured to start transmitting data of the delay-sensitive service on the reserved resource when the determining unit determines that the reserved resource is occupied and the PDCCH cycle of the service occupying the reserved resource is ended; otherwise, the data of the delay sensitive service is transmitted by using the reserved resources.
8. The apparatus of claim 6,
the allocating unit is further configured to not allocate resources to the current non-delay-sensitive service that needs to be transmitted when the determining unit determines that the available resources other than the reserved resources cannot meet the resource requirement of the non-delay-sensitive service that needs to perform data transmission and the reserved resources are occupied.
9. The apparatus of claim 6,
the allocation unit is further configured to determine whether resources other than the currently reserved resources can satisfy data transmission of the non-delay sensitive service when the non-delay sensitive service occupies the reserved resources for data transmission and data is not completely transmitted and is preempted by the resources;
the allocating unit is further configured to allocate the resources other than the reserved resources for the non-delay-sensitive service to perform data transmission when the determining unit determines that the resources other than the currently reserved resources can meet the data transmission requirement of the non-delay-sensitive service; otherwise, the transmission of the data of the non-delay sensitive service is suspended.
10. The apparatus according to any one of claims 6 to 9,
the determining unit is further configured to determine whether the reserved resources can meet the resource requirement of the non-delay-sensitive service to be transmitted when the reserved resources are allocated to the non-delay-sensitive service to be transmitted currently;
the allocating unit is further configured to allocate all reserved resources for the non-delay-sensitive service if the resources reserved by the determining unit can meet the resource requirement of the non-delay-sensitive service to be transmitted; or allocating partial reserved resources, and jointly transmitting the non-delay-sensitive service by using the available resources except the reserved resources.
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| CN201810755102.2A CN110719610A (en) | 2018-07-11 | 2018-07-11 | Method and device for seizing service resources |
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| CN112702108A (en) * | 2020-12-21 | 2021-04-23 | 上海擎昆信息科技有限公司 | Method and device for controlling user equipment access |
| WO2022063250A1 (en) * | 2020-09-25 | 2022-03-31 | 维沃移动通信有限公司 | Resource selection method and apparatus, and electronic device |
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Application publication date: 20200121 |