CN114521006A - Uplink scheduling method, device and base station - Google Patents

Uplink scheduling method, device and base station Download PDF

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Publication number
CN114521006A
CN114521006A CN202011313672.XA CN202011313672A CN114521006A CN 114521006 A CN114521006 A CN 114521006A CN 202011313672 A CN202011313672 A CN 202011313672A CN 114521006 A CN114521006 A CN 114521006A
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China
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scheduling
parameter
uplink
adopting
target
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CN202011313672.XA
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高向东
卞婷婷
马新利
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides an uplink scheduling method, an uplink scheduling device and a base station. The method comprises the following steps: acquiring the utilization rate of cell uplink resources when scheduling uplink data of a terminal; if the uplink resource utilization rate is smaller than a first threshold value, adopting a first parameter as a target scheduling parameter for resource scheduling; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling; and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter. By adopting the method of the invention, the base station determines the target scheduling parameter for resource scheduling by evaluating the load of the current cell so as to dynamically adjust the scheduling strategy of the target scheduling parameter, thus taking the cell capacity and the terminal power consumption into consideration and solving the problem of insensitivity to low-power-consumption service during uplink scheduling.

Description

Uplink scheduling method, device and base station
Technical Field
The present invention relates to the field of wireless technologies, and in particular, to an uplink scheduling method, apparatus, and base station.
Background
Currently, for a Narrow-Band Internet of Things (NB-IoT) mobile communication system, uplink scheduling mainly considers factors such as an uplink Signal to Interference plus Noise Ratio (SINR), a buffer aging buffer, a Channel Quality Indication (CQI), and the like, and does not consider the influence of cell load on scheduling, which causes a problem of low power consumption insensitivity.
Disclosure of Invention
The technical scheme of the present invention aims to provide an uplink scheduling method, an uplink scheduling device and a base station, which are used for solving the problem that the uplink scheduling method in the prior art is not sensitive to low power consumption services.
The embodiment of the invention provides an uplink scheduling method, which is applied to a base station, wherein the method comprises the following steps:
acquiring the utilization rate of cell uplink resources when scheduling uplink data of a terminal;
if the uplink resource utilization rate is smaller than a first threshold value, adopting a first parameter as a target scheduling parameter for resource scheduling; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling;
and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter.
Optionally, the uplink scheduling method, wherein the method further includes:
if the uplink resource utilization rate is greater than or equal to a second threshold, adopting a third parameter as a target scheduling parameter for resource scheduling;
and the first threshold is smaller than the second threshold, and the power consumption of the terminal adopting the second parameter is smaller than the power consumption adopting the third parameter.
Optionally, in the uplink scheduling method, the target scheduling parameter includes at least one of a modulation and coding scheme, MCS, and a scheduling repetition number.
Optionally, in the uplink scheduling method, when the target scheduling parameter includes an MCS, the MCS level of the first parameter is less than the MCS level of the second parameter.
Optionally, in the uplink scheduling method, when the target scheduling parameter includes a scheduling repetition number, the scheduling repetition number of the first parameter is greater than the scheduling repetition number of the second parameter.
The embodiment of the invention also provides an uplink scheduling device, which is applied to a base station, wherein the device comprises:
the system comprises an acquisition module, a scheduling module and a scheduling module, wherein the acquisition module is used for acquiring the utilization rate of cell uplink resources when the uplink data of a terminal is scheduled;
the scheduling module is used for adopting a first parameter as a target scheduling parameter for resource scheduling if the uplink resource utilization rate is smaller than a first threshold; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling;
and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter.
Optionally, the uplink scheduling apparatus, wherein the scheduling module is further configured to:
if the uplink resource utilization rate is greater than or equal to a second threshold, adopting a third parameter as a target scheduling parameter for resource scheduling;
and the first threshold is smaller than the second threshold, and the power consumption of the terminal adopting the second parameter is smaller than the power consumption adopting the third parameter.
Optionally, the uplink scheduling apparatus, wherein the target scheduling parameter includes at least one of a modulation and coding scheme, MCS, and a scheduling repetition number.
Optionally, in the uplink scheduling apparatus, when the target scheduling parameter includes an MCS, an MCS level of the first parameter is less than an MCS level of the second parameter.
Optionally, in the uplink scheduling apparatus, when the target scheduling parameter includes a scheduling repetition number, the scheduling repetition number of the first parameter is greater than the scheduling repetition number of the second parameter.
An embodiment of the present invention further provides a base station, including: a processor, a memory and a program stored on the memory and executable on the processor, the program implementing the uplink scheduling method as described in any one of the above when executed by the processor.
An embodiment of the present invention further provides a readable storage medium, where the readable storage medium stores a program, and the program, when executed by a processor, implements the steps in the uplink scheduling method according to any of the above.
At least one of the above technical solutions of the present invention has the following beneficial effects:
in the uplink scheduling method of the embodiment of the invention, when uplink data scheduling is carried out, a target scheduling parameter of resource scheduling is determined by evaluating the uplink resource utilization rate of the current cell; when the uplink resource utilization rate is less than a first threshold, that is, the uplink resource utilization rate is lower, compared with a case that the uplink resource utilization rate is greater than the first threshold, that is, the uplink resource utilization rate is higher, a parameter (a first parameter) adopted by a target scheduling parameter for resource scheduling is used, and the power consumption of a terminal is less than the power consumption of a parameter (a second parameter) adopted by the target scheduling parameter for resource scheduling, so that the scheduling strategy of the target scheduling parameter is dynamically adjusted by evaluating the load of the current cell to give consideration to the cell capacity and the terminal power consumption, when the cell load is lower, the power consumption of the terminal is reduced, and a certain gain is provided for a terminal which is insensitive to time delay and sensitive to power consumption.
Drawings
Fig. 1 is a schematic flowchart of an uplink scheduling method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an uplink scheduling apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a base station according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
In order to solve the problem that the uplink scheduling method in the prior art is not sensitive to the low-power-consumption service, an embodiment of the present invention provides an uplink scheduling method, in which a base station determines a target scheduling parameter for performing resource scheduling by evaluating a load of a current cell, so as to dynamically adjust a scheduling policy of the target scheduling parameter, thereby taking into account cell capacity and terminal power consumption, and solving the problem that the uplink scheduling method is not sensitive to the low-power-consumption service.
A specific embodiment of the present invention provides an uplink scheduling method, which is applied to a base station, and as shown in fig. 1, the method includes:
s110, acquiring the utilization rate of cell uplink resources when performing uplink data scheduling of a terminal;
s120, if the uplink resource utilization rate is smaller than a first threshold value, adopting a first parameter as a target scheduling parameter for resource scheduling; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling;
and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter.
By adopting the uplink scheduling method of the embodiment, when uplink data scheduling is performed, a target scheduling parameter of resource scheduling is determined by evaluating the uplink resource utilization rate (current load) of the current cell; when the uplink resource utilization rate is less than a first threshold, that is, the uplink resource utilization rate is lower, compared with a case that the uplink resource utilization rate is greater than the first threshold, that is, the uplink resource utilization rate is higher, a parameter (a first parameter) adopted by a target scheduling parameter for resource scheduling is used, and the power consumption of a terminal is less than the power consumption of a parameter (a second parameter) adopted by the target scheduling parameter for resource scheduling, so that the scheduling strategy of the target scheduling parameter is dynamically adjusted by evaluating the load of the current cell to give consideration to the cell capacity and the terminal power consumption, when the cell load is lower, the power consumption of the terminal is reduced, and a certain gain is provided for a terminal which is insensitive to time delay and sensitive to power consumption.
Specifically, when the uplink resource utilization rate is less than the first Threshold — 1, it is considered that the uplink load of the cell is low, and the target scheduling parameter scheduling of resource scheduling performed by the base station is a parameter (first parameter) that enables the power consumption of the terminal to be lower, and at least includes a scheduling and Coding Scheme (MCS) level of a lower order and/or more scheduling repetition times.
For example, the normal scheduling terminal uses an MCS of 25, the repetition number of 8, and the cell supports an uplink repetition number set of {1,2,4,8,16,32,64,128,256,512,1024} times, when the uplink resource utilization rate is less than a first Threshold _1, the actual MCS value is reduced by 1 step to 24 on the basis of the normal MCS and the repetition number value, and the next value of the repetition number selection value set is changed to 16.
By adopting the mode, more transmission resources can be distributed for the uplink channel, the receiving demodulation threshold of the base station is reduced, and the terminal adopts lower transmitting power so as to reduce the power consumption overhead.
Further, when the uplink resource utilization rate is greater than or equal to the first Threshold _1, it is considered that the uplink load of the cell is high, the base station performs target scheduling parameter scheduling of resource scheduling to a parameter (second parameter) that makes the power consumption of the terminal higher, for example, a higher-order MCS level and/or a lower scheduling repetition number are scheduled compared to the first parameter, optionally, the second parameter is a normal scheduling parameter of the target scheduling parameter, and in this case, it is no longer necessary to reduce the power consumption of the terminal through scheduling.
In this embodiment of the present invention, optionally, the method further includes:
if the uplink resource utilization rate is greater than or equal to a second Threshold _2, adopting a third parameter as a target scheduling parameter for resource scheduling;
wherein, the first Threshold value Threshold _1 is smaller than the second Threshold value Threshold _2, and the power consumption of the terminal using the second parameter is smaller than the power consumption using the third parameter.
The uplink scheduling method according to the embodiment of the present invention may divide the uplink resource utilization rate into different interval ranges, for example, the uplink resource utilization rate is smaller than the first threshold, between the first threshold and the second threshold, and larger than the second threshold, and is located in different interval ranges, and different parameters are used as the target scheduling parameters for resource scheduling, and when the uplink resource utilization rate is lower, the power consumption of the terminal is reduced by the parameters used by the target scheduling parameters.
It should be noted that the uplink resource utilization rate may not be limited to only include the three ranges, or may be divided into two or more ranges according to the scheduling requirement, for example, as long as it is ensured that the lower the uplink resource utilization rate is, the lower the power consumption of the terminal is made to be smaller by the parameters used by the target scheduling parameters for resource scheduling.
Optionally, in the uplink scheduling method according to the embodiment of the present invention, the target scheduling parameter includes at least one of a modulation and coding strategy MCS and a scheduling repetition number.
Optionally, when the target scheduling parameter includes an MCS, the MCS level of the first parameter is less than the MCS level of the second parameter.
Optionally, when the target scheduling parameter includes a scheduling repetition number, the scheduling repetition number of the first parameter is greater than the scheduling repetition number of the second parameter.
It should be noted that the target scheduling parameter for performing resource scheduling is not limited to include at least one of the above parameters, and may also include, for example, the number of resource blocks RB and/or frequency hopping, which are not illustrated herein.
By adopting the uplink scheduling method of the embodiment of the invention, the base station dynamically adjusts the uplink channel scheduling parameters by evaluating the load of the current cell, the cell capacity and the terminal power consumption are considered, and the base station has certain gain for the terminal which is insensitive to time delay and sensitive to power consumption.
An embodiment of the present invention further provides an uplink scheduling apparatus, which is applied to a base station, and as shown in fig. 2, the apparatus includes:
an obtaining module 210, configured to obtain a utilization rate of uplink resources of a cell when uplink data scheduling of a terminal is performed;
a scheduling module 220, configured to, if the uplink resource utilization rate is smaller than a first threshold, adopt a first parameter as a target scheduling parameter for resource scheduling; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling;
and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter.
In the uplink scheduling apparatus according to the embodiment of the present invention, the base station determines the target scheduling parameter for performing resource scheduling by evaluating the load of the current cell, so as to dynamically adjust the scheduling policy of the target scheduling parameter, thereby taking into account the cell capacity and the terminal power consumption, and solving the problem of insensitivity to low-power-consumption services during uplink scheduling.
Optionally, the uplink scheduling apparatus, wherein the scheduling module 220 is further configured to:
if the uplink resource utilization rate is greater than or equal to a second threshold, adopting a third parameter as a target scheduling parameter for resource scheduling;
and the first threshold is smaller than the second threshold, and the power consumption of the terminal adopting the second parameter is smaller than the power consumption adopting the third parameter.
Optionally, the uplink scheduling apparatus, wherein the target scheduling parameter includes at least one of a modulation and coding scheme, MCS, and a scheduling repetition number.
Optionally, in the uplink scheduling apparatus, when the target scheduling parameter includes an MCS, an MCS level of the first parameter is less than an MCS level of the second parameter.
Optionally, in the uplink scheduling apparatus, when the target scheduling parameter includes a scheduling repetition number, the scheduling repetition number of the first parameter is greater than the scheduling repetition number of the second parameter.
Another aspect of the embodiments of the present invention further provides a base station, as shown in fig. 3, where the base station includes: a processor 301; and a memory 303 connected to the processor 301 through a bus interface 302, wherein the memory 303 is used for storing programs and data used by the processor 301 in executing operations, and the processor 301 calls and executes the programs and data stored in the memory 303.
The transceiver 304 is connected to the bus interface 302, and is configured to receive and transmit data under the control of the processor 301, and specifically, the processor 301 is configured to read a program in the memory 303, and perform the following processes:
acquiring the utilization rate of cell uplink resources when scheduling uplink data of a terminal;
if the uplink resource utilization rate is smaller than a first threshold value, adopting a first parameter as a target scheduling parameter for resource scheduling; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling;
and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter.
Optionally, the base station, wherein the processor 301 is further configured to:
if the uplink resource utilization rate is greater than or equal to a second threshold, adopting a third parameter as a target scheduling parameter for resource scheduling;
and the first threshold is smaller than the second threshold, and the power consumption of the terminal adopting the second parameter is smaller than the power consumption adopting the third parameter.
Optionally, the base station, wherein the target scheduling parameter includes at least one of a modulation and coding scheme, MCS, and a scheduling repetition number.
Optionally, in the base station, when the target scheduling parameter includes an MCS, an MCS level of the first parameter is less than an MCS level of the second parameter.
Optionally, in the base station, when the target scheduling parameter includes a scheduling repetition number, the scheduling repetition number of the first parameter is greater than the scheduling repetition number of the second parameter.
Where in fig. 3 the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors, represented by processor 301, and various circuits of memory, represented by memory 303, linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 304 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The processor 301 is responsible for managing the bus architecture and general processing, and the memory 303 may store data used by the processor 301 in performing operations.
The specific embodiment of the present invention further provides a readable storage medium, on which a program is stored, where the program, when executed by a processor, implements the steps in the uplink scheduling method described in any of the above.
Specifically, the readable storage medium is applied to the base station, and when the readable storage medium is applied to the base station, the execution steps in the corresponding uplink scheduling method are described in detail above, and are not described again here.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (12)

1. An uplink scheduling method applied to a base station is characterized in that the method comprises the following steps:
acquiring the utilization rate of cell uplink resources when scheduling uplink data of a terminal;
if the uplink resource utilization rate is smaller than a first threshold value, adopting a first parameter as a target scheduling parameter for resource scheduling; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling;
and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter.
2. The uplink scheduling method of claim 1, wherein the method further comprises:
if the uplink resource utilization rate is greater than or equal to a second threshold, adopting a third parameter as a target scheduling parameter for resource scheduling;
and the first threshold is smaller than the second threshold, and the power consumption of the terminal adopting the second parameter is smaller than the power consumption adopting the third parameter.
3. The uplink scheduling method of claim 1, wherein the target scheduling parameter comprises at least one of a Modulation and Coding Scheme (MCS) and a scheduling repetition number.
4. The uplink scheduling method of claim 3 wherein, when the target scheduling parameter comprises an MCS, the MCS level of the first parameter is lower than the MCS level of the second parameter.
5. The uplink scheduling method of claim 3, wherein when the target scheduling parameter includes the scheduling repetition number, the scheduling repetition number of the first parameter is greater than the scheduling repetition number of the second parameter.
6. An uplink scheduling apparatus applied to a base station, the apparatus comprising:
the system comprises an acquisition module, a scheduling module and a scheduling module, wherein the acquisition module is used for acquiring the utilization rate of cell uplink resources when the uplink data of a terminal is scheduled;
the scheduling module is used for adopting a first parameter as a target scheduling parameter for resource scheduling if the uplink resource utilization rate is less than a first threshold value; if the uplink resource utilization rate is greater than or equal to the first threshold, adopting a second parameter as a target scheduling parameter for resource scheduling;
and adopting the first parameter to ensure that the power consumption of the terminal is less than that of the terminal adopting the second parameter.
7. The uplink scheduler of claim 6, wherein the scheduling module is further configured to:
if the uplink resource utilization rate is greater than or equal to a second threshold, adopting a third parameter as a target scheduling parameter for resource scheduling;
and the first threshold is smaller than the second threshold, and the power consumption of the terminal adopting the second parameter is smaller than the power consumption adopting the third parameter.
8. The uplink scheduler of claim 6, wherein the target scheduling parameter comprises at least one of a Modulation and Coding Scheme (MCS) and a scheduling repetition number.
9. The uplink scheduling device of claim 8, wherein when the target scheduling parameter includes MCS, the MCS level of the first parameter is less than the MCS level of the second parameter.
10. The uplink scheduling device of claim 8, wherein when the target scheduling parameter includes a scheduling repetition number, the scheduling repetition number of the first parameter is greater than the scheduling repetition number of the second parameter.
11. A base station, comprising: processor, memory and program stored on the memory and executable on the processor, which when executed by the processor implements the uplink scheduling method according to any one of claims 1 to 5.
12. A readable storage medium, wherein the readable storage medium stores a program, and the program, when executed by a processor, implements the steps in the uplink scheduling method according to any one of claims 1 to 5.
CN202011313672.XA 2020-11-20 2020-11-20 Uplink scheduling method, device and base station Pending CN114521006A (en)

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CN105873213A (en) * 2015-01-20 2016-08-17 电信科学技术研究院 Method and device for uplink scheduling
CN106507459A (en) * 2016-11-18 2017-03-15 中国联合网络通信集团有限公司 A kind of base station energy-saving method and apparatus
CN106850615A (en) * 2017-01-24 2017-06-13 华为技术有限公司 A kind of method of code rate control, relevant apparatus and system
WO2017149191A1 (en) * 2016-03-04 2017-09-08 Nokia Technologies Oy Determining uplink transmission power

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1968197A (en) * 2006-06-12 2007-05-23 华为技术有限公司 Method and system for scheduling high-speed uplink packet access user load
CN105873213A (en) * 2015-01-20 2016-08-17 电信科学技术研究院 Method and device for uplink scheduling
WO2017149191A1 (en) * 2016-03-04 2017-09-08 Nokia Technologies Oy Determining uplink transmission power
CN106507459A (en) * 2016-11-18 2017-03-15 中国联合网络通信集团有限公司 A kind of base station energy-saving method and apparatus
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