CN111315023B - Uplink wireless resource allocation method and device - Google Patents
Uplink wireless resource allocation method and device Download PDFInfo
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- CN111315023B CN111315023B CN202010102199.4A CN202010102199A CN111315023B CN 111315023 B CN111315023 B CN 111315023B CN 202010102199 A CN202010102199 A CN 202010102199A CN 111315023 B CN111315023 B CN 111315023B
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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
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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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
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
Abstract
The invention provides an uplink wireless resource allocation method and device, which are used for acquiring types of terminals accessed to a base station, wherein the types comprise a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling, and allocating each continuous uplink resource block in a previous period to the terminals according to the type of the terminals, the number of each continuous uplink resource block in the current period and a preset threshold value. The scheme of the embodiment of the invention can ensure that the base station distributes the uplink resources according to the type of the terminal, improve the utilization rate of the uplink bandwidth resources, and ensure that the terminal supporting discontinuous uplink resource block scheduling and the terminal not supporting discontinuous uplink resource block scheduling can obtain larger uplink bandwidth resources.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for allocating uplink radio resources.
Background
The 5G NR system introduces BWP (Bandwidth Part, a Part of Bandwidth function), as shown in fig. 1, since a PUCCH (Physical Uplink Control Channel) of BWP can be configured at both ends of the BWP Bandwidth, when BWP0 is configured in the middle of the Bandwidth Resource (i.e., BWP1), the Uplink Bandwidth Resource is divided into non-consecutive RBs (Resource blocks).
However, the chip of the current mainstream terminal does not support uplink discontinuous resource block scheduling, and such a terminal can only use part of continuous resource blocks, thereby wasting 5G uplink bandwidth resources and simultaneously failing to ensure uplink service experience of 5G users.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an uplink wireless resource allocation method and device, which are used for at least partially solving the problems of waste of 5G uplink bandwidth resources and low utilization rate.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides an uplink wireless resource allocation method, which comprises the following steps:
acquiring types of terminals accessed to the base station, wherein the types comprise a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling;
determining the number of each continuous uplink resource block in the current period;
and allocating each continuous uplink resource block to the terminal according to the type, the number and a preset threshold of the terminal.
In some embodiments, allocating the respective consecutive uplink resource blocks to the terminal according to the type of the terminal, the number of the terminals, and a preset threshold includes:
and if the number of the continuous uplink resource blocks is larger than a preset threshold value, allocating the continuous uplink resource blocks to the second type of terminal.
In some embodiments, allocating the respective consecutive uplink resource blocks to the terminal according to the type of the terminal, the number of the terminals, and a preset threshold includes:
and if the number of the continuous uplink resource blocks is less than or equal to a preset threshold value, allocating the continuous uplink resource blocks to the first type of terminal.
In some embodiments, the period is one slot.
In some embodiments, the obtaining of the type of the terminal accessing the local base station includes:
and acquiring the type of the terminal from the terminal capability information reported by the terminal accessed to the base station.
The present invention also provides a base station, comprising: the method comprises the following steps: the device comprises an acquisition module, a determination module and a distribution module;
the acquisition module is used for acquiring the types of terminals accessed to the base station, wherein the types comprise a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling;
the determining module is used for determining the number of each continuous uplink resource block in the current period;
and the allocation module is used for allocating each continuous uplink resource block to the terminal according to the type, the number and a preset threshold of the terminal.
In some embodiments, the allocating module is configured to allocate the consecutive uplink resource blocks to the second type of terminal when the number of consecutive uplink resource blocks is greater than a preset threshold.
In some embodiments, the allocating module is configured to allocate the consecutive uplink resource blocks to the first type of terminal when the number of consecutive uplink resource blocks is less than or equal to a preset threshold.
In some embodiments, the period is one slot.
In some embodiments, the obtaining module is configured to obtain the type of the terminal from terminal capability information reported by a terminal accessing the base station.
The uplink wireless resource allocation method provided by the embodiment of the invention obtains the types of the terminals accessed to the base station, wherein the types comprise a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling, and allocates each continuous uplink resource block in the previous period to the terminals according to the type of the terminals, the number of each continuous uplink resource block in the current period and a preset threshold value. The scheme of the embodiment of the invention can ensure that the base station distributes the uplink resources according to the type of the terminal, improve the utilization rate of the uplink bandwidth resources, and ensure that the terminal supporting discontinuous uplink resource block scheduling and the terminal not supporting discontinuous uplink resource block scheduling can obtain larger uplink bandwidth resources.
Drawings
FIG. 1 is a schematic diagram of a BWP provided by an embodiment of the present invention;
fig. 2 is a flowchart illustrating uplink radio resource allocation according to an embodiment of the present invention;
fig. 3 is a schematic diagram of BWP in PUCCH according to an embodiment of the present invention;
fig. 4 is a second flowchart illustrating uplink radio resource allocation according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In view of the foregoing problems in the prior art, an embodiment of the present invention provides an uplink radio resource allocation method, as shown in fig. 2, the method includes the following steps:
and step 11, acquiring the type of the terminal accessed to the base station.
In the embodiment of the present invention, the types of the terminals include a first type and a second type, the first type of terminal refers to a terminal that supports discontinuous uplink resource block scheduling, and the second type of terminal refers to a terminal that does not support discontinuous uplink resource block scheduling. At present, a chip of a mainstream terminal cannot support discontinuous uplink resource block scheduling, that is, at present, most of mainstream terminals are terminals of a second type.
And step 12, determining the number of each continuous uplink resource block in the current period.
Since the PUCCH is configured at both ends of the BWP bandwidth, the PUCCH can divide the entire uplink bandwidth into a plurality of consecutive uplink resource blocks. In this step, the number of each continuous uplink resource block in the current period is determined.
As shown in fig. 3, for example, BWP0 is taken as an example, BWP0 is located in the middle of the bandwidth resource, and each PUCCH divides the entire uplink bandwidth resource into multiple consecutive uplink Resource Blocks (RBs), that is, BWP0 includes 8 RBs. Within one cycle, there may be multiple BWPs 0, and accordingly, the number of RBs included per BWP0 is determined.
And step 13, distributing each continuous uplink resource block to the terminal according to the type and the number of the terminal and a preset threshold value.
In some embodiments, the threshold may be set to 100.
In this step, the result of comparing the number of each continuous uplink resource block with the threshold value is used as an allocation basis, and each continuous uplink resource block is allocated to a different type of terminal. The specific implementation process of this step will be described in detail later with reference to fig. 4.
As can be seen from steps 11-13, the uplink wireless resource allocation method according to the embodiment of the present invention obtains the type of the terminal accessing to the base station, where the type includes a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling, and allocates each continuous uplink resource block in a previous period to the terminal according to the type of the terminal, the number of each continuous uplink resource block in a current period, and a preset threshold. The scheme of the embodiment of the invention can ensure that the base station distributes the uplink resources according to the type of the terminal, improve the utilization rate of the uplink bandwidth resources, and ensure that the terminal supporting discontinuous uplink resource block scheduling and the terminal not supporting discontinuous uplink resource block scheduling can obtain larger uplink bandwidth resources.
In some embodiments, as shown in fig. 4, allocating the respective consecutive uplink resource blocks to the terminal according to the type of the terminal, the number of the terminals, and a preset threshold (i.e. step 13), includes the following steps:
step 131, determining whether the number of consecutive uplink resource blocks is greater than a preset threshold, if so, performing step 132, otherwise, performing step 133.
In this step, if the number of consecutive uplink resource blocks is greater than the preset threshold, the consecutive uplink resource blocks are allocated to the second type of terminal, that is, more consecutive uplink resource blocks are allocated to the terminal that does not support the discontinuous uplink resource block scheduling, so that the terminal that does not support the discontinuous uplink resource block scheduling can obtain a larger uplink bandwidth resource (the sum of the discontinuous bandwidth resources), thereby improving the utilization rate of the uplink bandwidth resource.
If the number of the continuous uplink resource blocks is less than or equal to the preset threshold, the continuous uplink resource blocks are allocated to the first type of terminal, that is, fewer continuous uplink resource blocks are allocated to the terminal supporting the discontinuous uplink resource block scheduling, so that the terminal supporting the discontinuous uplink resource block scheduling can obtain larger uplink bandwidth resources, thereby improving the utilization rate of the uplink bandwidth resources.
Step 132, allocating the continuous uplink resource blocks to the second type of terminal.
Step 133, allocating the continuous uplink resource blocks to the first type of terminal.
In some embodiments, the period is one timeslot, that is, the base station performs uplink bandwidth resource allocation once in the timeslot period.
In some embodiments, the obtaining the type of the terminal accessing the local base station (i.e. step 11) includes: and acquiring the type of the terminal from the terminal capability information reported by the terminal accessed to the base station. When the terminal accesses the base station, the terminal reports its capability to the base station, where the capability information includes the type of the terminal, and correspondingly, the base station obtains the type of the terminal.
The invention realizes that the base station can allocate discontinuous uplink RB according to the terminal capability, and when the continuous RB quantity is more than a certain threshold value, the resource block is allocated to the terminal which does not support discontinuous uplink resource block scheduling; and when the continuous RB quantity is less than or equal to a certain threshold value, the resource block is distributed to the terminal supporting discontinuous uplink resource block scheduling, so that the base station can distribute uplink resources according to the type of the terminal, and the utilization rate of uplink bandwidth resources is improved.
Based on the same technical concept, an embodiment of the present invention further provides a base station, as shown in fig. 5, where the base station includes: the device comprises an acquisition module 1, a determination module 2 and an allocation module 3.
The obtaining module 1 is configured to obtain types of terminals accessing the base station, where the types include a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling.
The determining module 2 is configured to determine the number of each continuous uplink resource block in the current period.
And the allocation module 3 is configured to allocate each continuous uplink resource block to the terminal according to the type of the terminal, the number, and a preset threshold.
In some embodiments, the allocating module 2 is configured to, when the number of consecutive uplink resource blocks is greater than a preset threshold, allocate the consecutive uplink resource blocks to a second type of terminal.
In some embodiments, the allocating module 2 is configured to allocate, when the number of consecutive uplink resource blocks is less than or equal to a preset threshold, the consecutive uplink resource blocks to the first type of terminal.
In some embodiments, the period is one slot.
In some embodiments, the obtaining module 1 is configured to obtain the type of the terminal from terminal capability information reported by a terminal accessing the base station.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. An uplink radio resource allocation method, comprising:
acquiring types of terminals accessed to the base station, wherein the types comprise a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling;
determining the number of each continuous uplink resource block in the current period;
and allocating each continuous uplink resource block to the terminal according to the type, the number and a preset threshold of the terminal.
2. The method of claim 1, wherein allocating the consecutive uplink resource blocks to the terminal according to the type of the terminal, the number of the terminals, and a preset threshold comprises:
and if the number of the continuous uplink resource blocks is larger than a preset threshold value, allocating the continuous uplink resource blocks to the second type of terminal.
3. The method of claim 1, wherein allocating the consecutive uplink resource blocks to the terminal according to the type of the terminal, the number of the terminals, and a preset threshold comprises:
and if the number of the continuous uplink resource blocks is less than or equal to a preset threshold value, allocating the continuous uplink resource blocks to the first type of terminal.
4. The method of claim 1, wherein the period is one slot.
5. The method of any one of claims 1 to 4, wherein the type of the terminal acquiring access to the local base station includes:
and acquiring the type of the terminal from the terminal capability information reported by the terminal accessed to the base station.
6. A base station, comprising: the device comprises an acquisition module, a determination module and a distribution module;
the acquisition module is used for acquiring the types of terminals accessed to the base station, wherein the types comprise a first type supporting discontinuous uplink resource block scheduling and a second type not supporting discontinuous uplink resource block scheduling;
the determining module is used for determining the number of each continuous uplink resource block in the current period;
and the allocation module is used for allocating each continuous uplink resource block to the terminal according to the type, the number and a preset threshold of the terminal.
7. The base station of claim 6, wherein the allocating module is configured to allocate consecutive uplink resource blocks to a second type of terminal when the number of consecutive uplink resource blocks is greater than a preset threshold.
8. The base station of claim 6, wherein the allocating module is configured to allocate consecutive uplink resource blocks to the first type of terminal when the number of consecutive uplink resource blocks is less than or equal to a preset threshold.
9. The base station of claim 6, wherein the period is one time slot.
10. The base station of claims 6 to 9, wherein the obtaining module is configured to obtain the type of the terminal from terminal capability information reported by a terminal accessing the base station.
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