CN109699086B - Uplink scheduling method, device, equipment and computer readable storage medium - Google Patents

Uplink scheduling method, device, equipment and computer readable storage medium Download PDF

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CN109699086B
CN109699086B CN201710992133.5A CN201710992133A CN109699086B CN 109699086 B CN109699086 B CN 109699086B CN 201710992133 A CN201710992133 A CN 201710992133A CN 109699086 B CN109699086 B CN 109699086B
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data
time period
mcs level
transmitted
priority
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CN109699086A (en
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李光宇
陈俊
刘磊
张龙
王四海
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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
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1221—Wireless traffic scheduling based on age of data to be sent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • 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
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • 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)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides an uplink scheduling method, an uplink scheduling device, uplink scheduling equipment and a computer readable storage medium, relates to the technical field of communication, and aims to improve uplink spectrum efficiency. The uplink scheduling method comprises the following steps: when uplink scheduling is needed, reporting a scheduling request to a base station, wherein the scheduling request comprises the guarantee priority of the data to be transmitted, so that the base station determines whether to adjust the MCS level according to the guarantee priority of the data to be transmitted when the uplink scheduling is carried out. The invention can improve the efficiency of the uplink frequency spectrum.

Description

Uplink scheduling method, device, equipment and computer readable storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an uplink scheduling method, apparatus, device, and computer readable storage medium.
Background
When a terminal needs to perform uplink data transmission in an uplink synchronization state, the terminal needs to report a Scheduling Request (SR) to a base station first. And after detecting the SR information, the base station allocates partial resources for transmitting data to the terminal. After detecting the SR, the base station allocates resources to the terminal using a lower MCS (Modulation and Coding Scheme, modulation and Coding strategy) level when performing first scheduling on the terminal, and allocates more PRBs (physical resource blocks), thereby ensuring that the base station can accurately receive the signaling message if the terminal transmits the signaling message in the next data transmission.
If the terminal does not transmit the signaling message but transmits the data service after reporting the SR, the base station allocates the resource with the low MCS level to the terminal, which will affect the uplink spectrum efficiency of the terminal. In some cases, for example, a terminal performs multiple uplink data services with low data volume, that is, all data transmission can be completed by one scheduling, which will cause the uplink spectrum efficiency of a user to be significantly reduced according to the existing manner. When multiple terminals perform uplink data services simultaneously in the same cell, since each terminal is allocated with resources of a low MCS level, the terminal will occupy an additional PRB, which may cause limitation of uplink resources in the entire cell.
Disclosure of Invention
In view of the above, the present invention provides an uplink scheduling method, apparatus, device and computer readable storage medium for improving uplink spectrum efficiency.
In order to solve the foregoing technical problem, in a first aspect, an embodiment of the present invention provides an uplink scheduling method, which is applied to a terminal, and includes:
when uplink scheduling is needed, a scheduling request is reported to a base station, and the scheduling request comprises reporting of the guarantee priority of the data to be transmitted, so that the base station determines whether to adjust the MCS level according to the guarantee priority of the data to be transmitted when uplink scheduling is carried out.
Wherein, the to-be-transmitted data guarantee priority is carried in a set PUCCH (Physical Uplink Control Channel, physical Uplink Control Channel format) format.
Wherein the set modulation mode of the PUCCH format is BPSK (Binary Phase Shift Keying);
when the value of the set PUCCH format is a first set value, indicating that the priority of the data to be transmitted is guaranteed to be low priority; and when the value of the set PUCCH format is a second set value, indicating that the guarantee priority of the data to be transmitted is high priority guarantee.
In a second aspect, an embodiment of the present invention provides an uplink scheduling method, which is applied to a base station, and includes:
receiving a scheduling request reported by a terminal;
when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level of the modulation and coding strategy according to the data guarantee priority to be transmitted;
and when the scheduling request does not comprise the data guarantee priority to be transmitted or when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
When the scheduling request includes the data guarantee priority to be transmitted, determining whether to adjust the modulation and coding strategy MCS level according to the data guarantee priority to be transmitted, including:
acquiring a guarantee priority of data to be transmitted reported by the terminal through a set PUCCH format;
when the value of the set PUCCH format is a first set value, determining that the MCS level does not need to be adjusted;
and when the value of the set PUCCH format is a second set value, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein, when the scheduling request does not include the priority of data protection to be transmitted or when the scheduling request includes the priority of data protection to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data, includes:
determining whether the scheduling request is a first scheduling request after random access is completed;
if the scheduling request is the first scheduling request after the random access is completed, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission;
and if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS grade according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
Wherein the historical Channel condition is an average value of Channel Quality Indicators (CQIs) in a target historical time period; the ratio of the signaling message uploaded in the characteristic target historical time period of the historical uploaded data to the data service is calculated;
if the scheduling request is not the first scheduling request after the random access is completed, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploading data, including:
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein, if the average value of the CQIs in the target historical time period is greater than the second threshold, determining whether to adjust the MSC level according to the ratio between the signaling message uploaded in the target historical time period and the data service, includes:
pre-judging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service;
if the next scheduling behavior is an uploading signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for next uplink transmission;
and if the next scheduling behavior is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
In a third aspect, an embodiment of the present invention provides a terminal, including: a processor and a transceiver;
the processor is used for reporting a scheduling request to a base station through the transceiver when uplink scheduling is needed, wherein the scheduling request comprises the priority of data guarantee to be reported, so that whether the MCS level of the modulation and coding strategy is adjusted or not is determined according to the priority of the data guarantee to be reported when the base station carries out uplink scheduling.
And the to-be-transmitted data guarantee priority is carried in a set Physical Uplink Control Channel (PUCCH) format.
The set modulation mode of the PUCCH format is Binary Phase Shift Keying (BPSK);
when the value of the set PUCCH format is a first set value, indicating that the priority of the data to be transmitted is guaranteed to be low priority; and when the value of the set PUCCH format is a second set value, indicating that the priority of the data to be transmitted is guaranteed to be high priority.
In a fourth aspect, an embodiment of the present invention provides a base station, including: a processor and a transceiver;
the transceiver is used for receiving the scheduling request reported by the terminal;
the processor is used for determining whether to adjust the MCS level of the modulation and coding strategy according to the guarantee priority of the data to be transmitted when the scheduling request comprises the guarantee priority of the data to be transmitted; and when the scheduling request does not comprise the data guarantee priority to be transmitted or when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
Wherein the processor is further configured to,
acquiring the guarantee priority of data to be transmitted reported by the terminal through a set PUCCH format;
when the value of the set PUCCH format is a first set value, determining that the MCS level does not need to be adjusted;
and when the value of the set PUCCH format is a second set value, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein the processor is further configured to,
determining whether the scheduling request is a first scheduling request after random access is completed;
if the scheduling request is the first scheduling request after the random access is finished, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission;
and if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
Wherein the historical channel condition is an average value of Channel Quality Indicators (CQI) in a target historical time period; the ratio of signaling messages uploaded in the characteristic target historical time period of the historical uploaded data to data services is obtained; the processor is also configured to,
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein the processor is further configured to,
pre-judging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service;
if the next scheduling action is to upload the signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission;
and if the next scheduling behavior is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
In a fifth aspect, an embodiment of the present invention provides a communication device, including: a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor; the computer program, when executed by a processor, implementing the steps in the method according to the first aspect; or which when executed by a processor performs the steps of the method according to the second aspect.
In a sixth aspect, an embodiment of the present invention provides a computer-readable storage medium for storing a computer program, which when executed by a processor implements the steps in the method according to the first aspect; or which when executed by a processor performs the steps of the method according to the second aspect.
The technical scheme of the invention has the following beneficial effects:
in the embodiment of the invention, the base station determines whether to adjust the MCS level according to the data guarantee priority reported by the terminal, thereby avoiding the defect caused by uniformly reducing the MSC level by the base station in the prior art, and improving the uplink spectrum efficiency by utilizing the scheme of the embodiment of the invention.
Drawings
Fig. 1 is a flowchart of an uplink scheduling method according to an embodiment of the present invention;
fig. 2 is a flowchart of an uplink scheduling method according to an embodiment of the present invention;
fig. 3 is a flowchart of an uplink scheduling method according to an embodiment of the present invention;
fig. 4 is a flowchart of an uplink scheduling method according to an embodiment of the present invention;
fig. 5 is a flowchart of an uplink scheduling method according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a terminal according to an embodiment of the present invention;
FIG. 7 is a diagram of a base station according to an embodiment of the present invention;
FIG. 8 is a diagram of a base station according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the uplink scheduling method according to the embodiment of the present invention is applied to a terminal, and includes:
step 101, when uplink scheduling is needed, reporting a scheduling request to a base station, wherein the scheduling request comprises a to-be-transmitted data guarantee priority, so that the base station determines whether to adjust the modulation and coding strategy MCS level according to the to-be-transmitted data guarantee priority when performing uplink scheduling.
And the to-be-transmitted data guarantee priority is carried in the set PUCCH format. When the value of the set PUCCH format is a first set value, indicating that the priority of the data to be transmitted is guaranteed to be low priority; and when the value of the set PUCCH format is a second set value, indicating that the priority of the data to be transmitted is guaranteed to be high priority.
For example, in the embodiment of the present invention, a new PUCCH format, such as PUCCH format 1c, is added, and the user may indicate the priority of data to be transmitted while reporting the SR. The guarantee priority of the data to be transmitted is determined according to the types of different uplink data to be transmitted. According to the reported different data guarantee priorities to be transmitted, namely the types of the uplink data to be transmitted, the network side can select the MCS level used when the terminal is scheduled next time according to the indicated different data types.
The modulation mode of the PUCCH format 1c is BPSK, 1bit is occupied, 0 is used for indicating low priority guarantee, 1 is used for indicating high priority guarantee, and the base station needs to reduce the MCS level only when the high priority guarantee, that is, when the value is 1.
In the embodiment of the invention, the base station determines whether to adjust the MCS level according to the data guarantee priority reported by the terminal, thereby avoiding the defect caused by uniformly reducing the MSC level by the base station in the prior art, improving the uplink spectrum efficiency by utilizing the scheme of the embodiment of the invention and ensuring the accuracy of data transmission.
As shown in fig. 2, the uplink scheduling method according to the embodiment of the present invention is applied to a base station, and includes:
step 201, receiving a scheduling request reported by a terminal.
Step 202, when the scheduling request includes the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the data guarantee priority to be transmitted.
Specifically, it can be determined whether the scheduling request carries a set PUCCH format, for example, PUCCH format 1c. If yes, the scheduling request can be considered to comprise the to-be-transmitted data guarantee priority. Otherwise, the scheduling request does not comprise the guarantee priority of the data to be transmitted.
And 203, when the scheduling request does not include the data guarantee priority to be transmitted or when the scheduling request includes the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
In the embodiment of the invention, the base station determines whether to adjust the MCS level according to the data guarantee priority reported by the terminal, thereby avoiding the defect caused by uniformly reducing the MSC level by the base station in the prior art, and improving the uplink spectrum efficiency by utilizing the scheme of the embodiment of the invention.
In the following, how the base station determines whether to adjust the MSC is described in connection with different embodiments.
As shown in fig. 3, the uplink scheduling method according to the embodiment of the present invention includes:
and step 301, the terminal reports the SR.
And step 302, the base station judges whether the PUCCH format is the PUCCH format 1c according to the SR.
Step 303, if the PUCCH format is PUCCH format 1c, determining whether to adjust the MCS level according to the data guarantee priority to be transmitted in PUCCH format 1c.
Specifically, when the value of the PUCCH format 1c is a first set value, it is determined that the MCS level does not need to be adjusted; and when the value of the PUCCH format 1c is a second set value, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission. For example, if the value is 0, the MCS is not adjusted; if the value is 1, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission. Wherein the initial MSC level is an MSC level defaulted according to a network environment.
And step 304, if the PUCCH format is not the PUCCH format 1c, reducing the MSC or the base station according to the prior art, and determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristic of the historical upload data.
As shown in fig. 4, no matter whether the terminal reports the guaranteed priority of the data to be transmitted, the base station may determine whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data. Wherein the historical channel condition is an average value of Channel Quality Indicators (CQI) in a target historical time period; and the ratio of the signaling message uploaded in the characteristic target historical time period of the historical upload data to the data service is obtained. The process comprises the following steps:
step 401, the terminal reports the SR.
Step 402, the base station detects whether the terminal just completes the random access process before the SR report. That is, it is determined whether the scheduling request is a first scheduling request after the random access is completed.
Step 403, if the scheduling request is the first scheduling request after the random access is completed, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission. The flow ends.
And if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data. Specifically, the method comprises the following steps.
Step 404, determining whether the average value of the CQIs in the target historical time period is greater than a first threshold.
Step 405, if the average value of the CQIs in the target historical time period is greater than the first threshold, the user channel condition is considered to be better, and it is determined that the MCS level does not need to be adjusted.
Step 406, if the average value of the CQIs in the target history time period is less than or equal to the first threshold, determining whether the average value of the CQIs in the target history time period is greater than a second threshold.
Wherein the first threshold is greater than the second threshold, and both may be set based on practical experience.
Step 407, if the average value of the CQIs in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level, so as to obtain the MSC level for the next uplink transmission.
And if the average value of the CQI in the target historical time period is greater than the second threshold, considering that the channel condition of the user is general, predicting the terminal behavior according to the ratio between the signaling message uploaded in the target historical time period and the data service, and determining whether to adjust the grade of the MSC. The method specifically comprises the following steps:
and step 408, prejudging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service.
Step 409, if the next scheduling action is to upload the signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission.
Step 410, if the next scheduling action is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
It should be noted that the process of the implementation shown in fig. 4 can also be implemented in conjunction with the process of the embodiment shown in fig. 3. That is, in step 304, the implementation process of the "base station determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical upload data" may refer to the process shown in fig. 4.
At this time, as shown in fig. 5, the uplink scheduling method according to the embodiment of the present invention includes:
and step 501, the terminal reports the SR.
And step 502, the base station judges whether the PUCCH format is the PUCCH format 1c according to the SR.
Step 503, if the PUCCH format is PUCCH format 1c, determining whether to adjust the MCS level according to the data guarantee priority to be transmitted in PUCCH format 1c.
Specifically, when the value of the PUCCH format 1c is a first set value, it is determined that the MCS level does not need to be adjusted; and when the value of the PUCCH format 1c is a second set value, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission. For example, if the value is 0, the MCS is not adjusted; if the value is 1, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission. Wherein the initial MSC grade is an MSC grade defaulted according to a network environment.
Step 504, if the PUCCH format is not PUCCH format 1c, the base station determines whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristic of the historical upload data.
The specific implementation of step 504, including steps 5041-5049, can refer to the specific description of steps 402-410 in fig. 4.
By using the scheme of the embodiment of the invention, the uplink spectrum efficiency of single scheduling is improved, and the uplink spectrum efficiency of the user can be obviously improved when the terminal discontinuously performs multiple uplink data services. Under the condition of more cell terminals, the use experience of users can be improved, and the conditions that uplink resources are in short supply and the user uplink service experience is deteriorated due to the fact that multiple users use low-order MCS level scheduling at the same time are avoided.
As shown in fig. 6, the terminal according to the embodiment of the present invention includes: a processor 601 and a transceiver 602;
the processor 601 is configured to report a scheduling request to a base station through the transceiver 602 when uplink scheduling is required, where the scheduling request includes a to-be-transmitted data guarantee priority, so that when the base station performs uplink scheduling, whether to adjust a modulation and coding scheme MCS level is determined according to the to-be-transmitted data guarantee priority.
In the embodiment of the present invention, the to-be-transmitted data guarantee priority is carried in the set PUCCH format. Moreover, the set modulation mode of the PUCCH format is BPSK; when the value of the set PUCCH format is a first set value, indicating that the priority of the data to be transmitted is guaranteed to be low priority; and when the value of the set PUCCH format is a second set value, indicating that the priority of the data to be transmitted is guaranteed to be high priority. The first set value and the second set value can be set randomly and only need to be distinguished.
As shown in fig. 7, the base station according to the embodiment of the present invention includes: a processor 701 and a transceiver 702;
the transceiver 702 is configured to receive a scheduling request reported by a terminal;
the processor 701 is configured to determine whether to adjust a modulation and coding strategy MCS level according to a data guarantee priority to be transmitted when the scheduling request includes the data guarantee priority to be transmitted; and when the scheduling request does not comprise the data guarantee priority to be transmitted or when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
Wherein the processor 701 is further configured to,
acquiring a guarantee priority of data to be transmitted reported by the terminal through a set PUCCH format;
when the value of the set PUCCH format is a first set value, determining that the MCS level does not need to be adjusted;
and when the value of the set PUCCH format is a second set value, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein the processor 701 is further configured to,
determining whether the scheduling request is a first scheduling request after random access is completed;
if the scheduling request is the first scheduling request after the random access is completed, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission;
and if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
Wherein the historical channel condition is an average value of Channel Quality Indicators (CQI) in a target historical time period; the ratio of signaling messages uploaded in the characteristic target historical time period of the historical uploaded data to data services is obtained; the processor 701 is also configured to,
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein the processor 701 is further configured to,
pre-judging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service;
if the next scheduling action is to upload the signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission;
and if the next scheduling behavior is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
In the embodiment of the invention, the base station determines whether to adjust the MCS level according to the guarantee priority of the data to be transmitted reported by the terminal, thereby avoiding the defect caused by the unified reduction of the MSC level by the base station in the prior art, and improving the uplink spectrum efficiency by utilizing the scheme of the embodiment of the invention.
As shown in fig. 8, the base station according to the embodiment of the present invention includes: the processor 800, which is used to read the program in the memory 820, executes the following processes:
the processor 800, which is used to read the program in the memory 820, executes the following processes: receiving a scheduling request reported by a terminal through a transceiver 810; when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the modulation and coding strategy MCS level according to the data guarantee priority to be transmitted; and when the scheduling request does not comprise the priority of data guarantee to be transmitted or when the scheduling request comprises the priority of data guarantee to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
A transceiver 810 for receiving and transmitting data under the control of the processor 800.
Where in fig. 8, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 800 and memory represented by memory 820. 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 810 may be a number of elements including a transmitter and a transceiver providing a means for communicating with various other apparatus over a transmission medium. The processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 800 in performing operations.
The processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 800 in performing operations.
The processor 800 is further adapted to read the computer program and perform the following steps:
acquiring a guarantee priority of data to be transmitted reported by the terminal through a set PUCCH format;
when the value of the set PUCCH format is a first set value, determining that the MCS level does not need to be adjusted;
and when the value of the set PUCCH format is a second set value, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
The processor 800 is further configured to read the computer program and perform the following steps:
determining whether the scheduling request is a first scheduling request after random access is completed;
if the scheduling request is the first scheduling request after the random access is finished, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission;
and if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS grade according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
The historical channel condition is the average value of Channel Quality Indicators (CQI) in a target historical time period; the ratio of signaling messages uploaded in the characteristic target historical time period of the historical uploaded data to data services is obtained; the processor 800 is further configured to read the computer program and perform the following steps:
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
The processor 800 is further configured to read the computer program and perform the following steps:
pre-judging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service;
if the next scheduling behavior is an uploading signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for next uplink transmission;
and if the next scheduling behavior is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
As shown in fig. 9, the terminal according to the embodiment of the present invention includes: a processor 900 for reading the program in the memory 920, executing the following processes:
when uplink scheduling is needed, reporting a scheduling request to a base station, wherein the scheduling request comprises a data guarantee priority to be transmitted, so that when the base station performs the uplink scheduling, determining whether to adjust the MCS level of a modulation and coding strategy according to the data guarantee priority to be transmitted;
a transceiver 910 for receiving and transmitting data under the control of the processor 900.
In fig. 9, among other things, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 900, and various circuits, represented by memory 920, being 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 910 may be a plurality of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 930 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 may store data used by the processor 900 in performing operations.
And the to-be-transmitted data guarantee priority is carried in a set physical uplink control channel format (PUCCH format).
The set modulation mode of the PUCCH format is Binary Phase Shift Keying (BPSK);
when the value of the set PUCCH format is a first set value, indicating that the priority of the data to be transmitted is guaranteed to be low priority; and when the value of the set PUCCH format is a second set value, indicating that the guarantee priority of the data to be transmitted is high priority guarantee.
Furthermore, a computer-readable storage medium of an embodiment of the present invention stores a computer program executable by a processor to implement:
when uplink scheduling is needed, reporting a scheduling request to a base station, wherein the scheduling request comprises a guarantee priority of data to be transmitted, so that when the base station performs the uplink scheduling, determining whether to adjust the MCS level of the modulation and coding strategy according to the guarantee priority of the data to be transmitted.
And the to-be-transmitted data guarantee priority is carried in a set physical uplink control channel format (PUCCH format).
The set modulation mode of the PUCCH format is Binary Phase Shift Keying (BPSK);
when the value of the set PUCCH format is a first set value, indicating that the priority of the data to be transmitted is guaranteed to be low priority; and when the value of the set PUCCH format is a second set value, indicating that the guarantee priority of the data to be transmitted is high priority guarantee.
Furthermore, a computer-readable storage medium of an embodiment of the present invention stores a computer program executable by a processor to implement:
receiving a scheduling request reported by a terminal;
when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level of the modulation and coding strategy according to the data guarantee priority to be transmitted;
and when the scheduling request does not comprise the data guarantee priority to be transmitted or when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
When the scheduling request includes the data guarantee priority to be transmitted, determining whether to adjust the modulation and coding strategy MCS level according to the data guarantee priority to be transmitted, including:
acquiring a guarantee priority of data to be transmitted reported by the terminal through a set PUCCH format;
when the value of the set PUCCH format is a first set value, determining that the MCS level does not need to be adjusted;
and when the value of the set PUCCH format is a second set value, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein, when the scheduling request does not include the data assurance priority to be transmitted or when the scheduling request includes the data assurance priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical upload data, includes:
determining whether the scheduling request is a first scheduling request after random access is completed;
if the scheduling request is the first scheduling request after the random access is finished, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission;
and if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
Wherein the historical channel condition is an average value of Channel Quality Indicators (CQI) in a target historical time period; the ratio of the signaling message uploaded in the characteristic target historical time period of the historical uploaded data to the data service is calculated;
if the scheduling request is not the first scheduling request after the random access is completed, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploading data, including:
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
Wherein, if the average value of the CQIs in the target historical time period is greater than the second threshold, determining whether to adjust the MSC level according to the ratio between the signaling message uploaded in the target historical time period and the data service, includes:
pre-judging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service;
if the next scheduling action is to upload the signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission;
and if the next scheduling behavior is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
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 may be implemented in the form of hardware, or in the 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 to enable 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 foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the invention as set forth in the appended claims.

Claims (12)

1. An uplink scheduling method, applied to a terminal, includes:
when uplink scheduling is needed, reporting a scheduling request to a base station, wherein the scheduling request comprises a data guarantee priority to be transmitted 5, so that when the base station performs the uplink scheduling, determining whether to adjust the MCS level of a modulation and coding strategy according to the data guarantee priority to be transmitted;
the data guarantee priority to be transmitted is carried in a physical uplink control channel format PUCCH format which is set; if the PUCCH format is the PUCCH format 1c, determining whether to adjust the MCS level according to the guarantee priority of the data to be transmitted in the PUCCH format 1 c;
when the value of the set PUCCH format 1c is a first set value, the priority of the data to be transmitted is represented as low-priority guarantee, and the MCS level is determined not to be adjusted; when the value of the set PUCCH format 1c is a second set value, the priority of the data guarantee to be transmitted is represented as high priority guarantee, and the MCCS level is determined to be reduced on the basis of the initial MCS level so as to obtain the MCS level for the next uplink transmission;
if the PUCCH format is not the PUCCH format 1c, when the base station carries out uplink scheduling, whether the MCS level is adjusted is determined according to the historical channel condition of the terminal and the characteristics of historical uploading data, wherein the historical channel condition is the average value of Channel Quality Indicator (CQI) in a target historical time period; the ratio of signaling messages uploaded in the characteristic target historical time period of the historical uploaded data to data services is obtained;
if the scheduling request is not the first scheduling request after the random access is completed, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploading data, including:
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
2. The method according to claim 1, wherein the modulation scheme of the set PUCCH format is binary phase shift keying BPSK.
3. An uplink scheduling method, applied to a base station, includes:
receiving a scheduling request reported by a terminal;
when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level of the modulation and coding strategy according to the data guarantee priority to be transmitted;
when the scheduling request does not comprise the data guarantee priority to be transmitted or when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data;
when the scheduling request includes the data guarantee priority to be transmitted, determining whether to adjust the modulation and coding strategy MCS level according to the data guarantee priority to be transmitted, including:
acquiring a guarantee priority of data to be transmitted reported by the terminal through a set PUCCH format;
if the PUCCH format is the PUCCH format 1c, determining whether to adjust the MCS level according to the guarantee priority of the data to be transmitted in the PUCCH format 1 c;
when the value of the set PUCCH format 1c is a first set value, the priority of the data to be transmitted is represented as low-priority guarantee, and the MCS level is determined not to be adjusted; when the value of the set PUCCH format 1c is a second set value, indicating that the priority of the data to be transmitted is guaranteed to be high priority, and determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for next uplink transmission;
if the PUCCH format is not the PUCCH format 1c, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of historical uploading data, wherein the historical channel condition is the average value of Channel Quality Indicator (CQI) in a target historical time period; the ratio of the signaling message uploaded in the characteristic target historical time period of the historical uploaded data to the data service is calculated;
if the scheduling request is not the first scheduling request after the random access is completed, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploading data, including:
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
4. The method of claim 3, wherein the determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristic of the historical uploaded data when the to-be-transmitted data guarantee priority is not included in the scheduling request or when the to-be-transmitted data guarantee priority is included in the scheduling request comprises:
determining whether the scheduling request is a first scheduling request after random access is completed;
if the scheduling request is the first scheduling request after the random access is finished, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for the next uplink transmission;
and if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
5. The method of claim 3, wherein if the average value of the CQIs in the target historical time period is greater than the second threshold, determining whether to adjust the MSC level according to a ratio between the signaling messages uploaded in the target historical time period and the data traffic, comprises:
pre-judging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service;
if the next scheduling behavior is an uploading signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for next uplink transmission;
and if the next scheduling behavior is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
6. A terminal, comprising: a processor and a transceiver;
the processor is used for reporting a scheduling request to a base station through the transceiver when uplink scheduling is needed, wherein the scheduling request comprises reporting to-be-transmitted data guarantee priority, so that whether Modulation and Coding Strategy (MCS) grade is adjusted or not is determined according to the to-be-transmitted data guarantee priority when the base station performs uplink scheduling;
the data guarantee priority to be transmitted is carried in a physical uplink control channel format PUCCH format which is set; if the PUCCH format is the PUCCH format 1c, determining whether to adjust the MCS level according to the guarantee priority of the data to be transmitted in the PUCCH format 1 c;
when the value of the set PUCCH format 1c is a first set value, the priority of the data to be transmitted is represented as low-priority guarantee, and the MCS level is determined not to be adjusted; when the value of the set PUCCH format 1c is a second set value, the priority of the data guarantee to be transmitted is represented as high priority guarantee, and the MCCS level is determined to be reduced on the basis of the initial MCS level so as to obtain the MCS level for the next uplink transmission;
if the PUCCH format is not the PUCCH format 1c, when the base station carries out uplink scheduling, whether the MCS level is adjusted is determined according to the historical channel condition of the terminal and the characteristics of historical uploading data, wherein the historical channel condition is the average value of Channel Quality Indicator (CQI) in a target historical time period; the ratio of signaling messages uploaded in the characteristic target historical time period of the historical uploaded data to data services is obtained;
if the scheduling request is not the first scheduling request after the random access is completed, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploading data, including:
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
7. The terminal of claim 6,
and the set modulation mode of the PUCCH format is binary phase shift keying BPSK.
8. A base station, comprising: a processor and a transceiver;
the transceiver is used for receiving the scheduling request reported by the terminal;
the processor is used for determining whether to adjust the MCS level of the modulation and coding strategy according to the guarantee priority of the data to be transmitted when the scheduling request comprises the guarantee priority of the data to be transmitted; when the scheduling request does not comprise the data guarantee priority to be transmitted or when the scheduling request comprises the data guarantee priority to be transmitted, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of the historical uploaded data;
wherein the processor is further configured to,
acquiring a guarantee priority of data to be transmitted reported by the terminal through a set PUCCH format;
if the PUCCH format is the PUCCH format 1c, determining whether to adjust the MCS level according to the guarantee priority of the data to be transmitted in the PUCCH format 1 c;
when the value of the set PUCCH format 1c is a first set value, the priority of the data to be transmitted is represented as low-priority guarantee, and the MCS level is determined not to be adjusted; when the value of the set PUCCH format 1c is a second set value, the priority of the data to be transmitted is represented as high priority guarantee, and the MCS level is determined to be reduced on the basis of the initial MSC level so as to obtain the MSC level for next uplink transmission;
if the PUCCH format is not the PUCCH format 1c, determining whether to adjust the MCS level according to the historical channel condition of the terminal and the characteristics of historical uploading data, wherein the historical channel condition is the average value of Channel Quality Indicator (CQI) in a target historical time period; the ratio of signaling messages uploaded in the characteristic target historical time period of the historical uploaded data to data services is obtained; the processor is also configured to,
if the average value of the CQI in the target historical time period is larger than a first threshold, determining that the MCS level does not need to be adjusted;
if the average value of the CQI in the target historical time period is less than or equal to the first threshold, determining whether the average value of the CQI in the target historical time period is greater than a second threshold; wherein the first threshold is greater than the second threshold;
if the average value of the CQI in the target historical time period is greater than the second threshold, determining whether to adjust the grade of the MSC according to the ratio of the signaling message uploaded in the target historical time period to the data service;
and if the average value of the CQI in the target historical time period is less than or equal to the second threshold, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission.
9. The base station of claim 8, wherein the processor is further configured to,
determining whether the scheduling request is a first scheduling request after random access is completed;
if the scheduling request is the first scheduling request after the random access is completed, determining that the MCS level needs to be reduced on the basis of the initial MSC level so as to obtain the MSC level for the next uplink transmission;
and if the scheduling request is not the first scheduling request after the random access is finished, determining whether to adjust the MCS grade according to the historical channel condition of the terminal and the characteristics of the historical uploaded data.
10. The base station of claim 8, wherein the processor is further configured to,
pre-judging the next scheduling behavior of the terminal according to the ratio of the signaling message uploaded in the target historical time period to the data service;
if the next scheduling behavior is an uploading signaling message, determining that the MCS level needs to be reduced on the basis of the initial MSC level to obtain the MSC level for next uplink transmission;
and if the next scheduling behavior is not the uploading signaling message, determining that the MCS level does not need to be adjusted.
11. A communication device, comprising: a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor; characterized in that the computer program realizes the steps in the method according to any one of claims 1 to 2 when executed by a processor; or which computer program, when being executed by a processor, carries out the steps of the method according to any one of claims 3 to 5.
12. A computer-readable storage medium for storing a computer program, wherein the computer program, when executed by a processor, implements the steps in the method according to any one of claims 1 to 2; or which computer program, when being executed by a processor, carries out the steps of the method according to any one of claims 3 to 5.
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