CN114071685A - Data scheduling method and device - Google Patents
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- 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
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The invention provides a data scheduling method and device, and belongs to the technical field of communication. The data scheduling method is applied to network side equipment, and comprises the following steps: if the uplink data traffic is judged to exceed the terminal capacity, the network side equipment executes any one of the following items: stopping scheduling the uplink data service of the terminal; reducing uplink data traffic of the terminal; and increasing the uplink scheduling interval of the terminal. The technical scheme of the invention can ensure the stability of the terminal service.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a data scheduling method and apparatus.
Background
In the related art, if a terminal always maintains or maintains high power (26dBm or more than 23dBm) to transmit an uplink signal for a long time within a certain time period and the uplink transmission time slot ratio of the terminal exceeds the limit capability of an electromagnetic radiation (SAR) value of the terminal, the terminal adopts a method of reducing transmission power (backing back to 3dB to 23dBm or backing back to 23dBm) so as to ensure that the electromagnetic radiation of the terminal meets the requirement of the country on the influence of a human body.
In the current implementation scheme, a terminal evaluates the uplink transmission power state in T (SAR value statistical period) according to the comparison between the base station scheduling and the terminal capability, and performs power backoff by itself. In this case, the base station side does not know whether the terminal performs power backoff or not, which will affect the service; and when the terminal is located at the edge of a cell and performs packet data service or voice service, the terminal transmits according to a high power level, and when an uplink large data volume service is triggered during the voice service, the terminal performs power backoff, which may cause the possibility of in-situ disconnection and call drop of the terminal.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a data scheduling method and apparatus, which can ensure the stability of terminal services.
To solve the above technical problem, embodiments of the present invention provide the following technical solutions:
in one aspect, a data scheduling method is provided, which is applied to a network side device, and the method includes:
if the uplink data traffic is judged to exceed the terminal capacity, the network side equipment executes any one of the following items:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
receiving a power back-off message of the terminal;
receiving a first message of the terminal, wherein the first message indicates that the uplink sending proportion of the terminal in a period T is larger than the uplink capacity value reported by the terminal;
receiving a request for suspending uplink service of the terminal;
and receiving an uplink service current limiting request of the terminal.
In some embodiments, the method further includes acquiring an uplink transmission duty ratio of the terminal in the period T, and acquiring the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols scheduled by the terminal in an uplink mode and the total number M of symbols scheduled in a downlink mode in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
In some embodiments, after receiving the power back-off message of the terminal, the method further includes:
and receiving a power headroom report reported by the terminal, wherein the power headroom value in the power headroom report is a negative value or indicates the terminal to carry out power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the network side device stops scheduling the uplink data service of the terminal;
and when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the network side equipment reduces the uplink data service of the scheduling terminal or increases the uplink scheduling interval of the terminal.
In some embodiments, after stopping scheduling the uplink data service of the terminal, if a preset first condition is met, after a period T1, the network side device recovers the uplink data service of the scheduling terminal, where the first condition includes any one of:
the voice service of the terminal is ended;
and the uplink sending proportion of the terminal in the period T is not more than the uplink capacity value reported by the terminal.
The embodiment of the invention also provides a data scheduling method, which is applied to a terminal and comprises the following steps:
if the uplink data traffic exceeds the terminal capability, the terminal sends a second message to the network side equipment, wherein the second message comprises any one of the following items:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
the downlink path loss value of the terminal exceeds a preset value;
and the downlink path loss value of the terminal exceeds a preset value, and the uplink transmitting power needs to exceed the upper limit of the power level 3.
In some embodiments, after sending the power backoff message to the network side device, the method further includes:
and sending a power headroom report to the network side equipment, wherein the power headroom value in the power headroom report is a negative value or indicates the terminal to carry out power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that an uplink data traffic exceeds a terminal capability, the terminal sends the power backoff message or the uplink service suspension request to the network side device;
and when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the terminal sends the uplink service current limiting request or the first message to the network side equipment.
In some embodiments, the method further includes acquiring an uplink transmission duty ratio of the terminal in the period T, and acquiring the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols in uplink scheduling and the total number M of symbols in downlink scheduling of the terminal in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
The embodiment of the invention also provides a data scheduling device, which is applied to network side equipment, and the device comprises:
the processing module is used for executing any one of the following items if the uplink data traffic is judged to exceed the terminal capacity:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
receiving a power back-off message of the terminal;
receiving a first message of the terminal, wherein the first message indicates that the uplink sending proportion of the terminal in a period T is larger than the uplink capacity value reported by the terminal;
receiving a request for suspending uplink service of the terminal;
and receiving an uplink service current limiting request of the terminal.
In some embodiments, the apparatus further includes an obtaining module, configured to obtain an uplink transmission duty ratio of the terminal in a period T, where the obtaining of the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols scheduled by the terminal in an uplink mode and the total number M of symbols scheduled in a downlink mode in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
In some embodiments, the apparatus further comprises:
a receiving module, configured to receive a power headroom report reported by the terminal after receiving a power backoff message of the terminal, where a power headroom value in the power headroom report is a negative value or indicates the terminal to perform power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the processing module stops scheduling the uplink data service of the terminal;
and when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the processing module reduces the uplink data service of the scheduling terminal or increases the uplink scheduling interval of the terminal.
In some embodiments, after stopping scheduling the uplink data traffic of the terminal, if a preset first condition is met, after a period T1, the processing module resumes the uplink data traffic of the scheduling terminal, where the first condition includes any one of:
the voice service of the terminal is ended;
and the uplink sending proportion of the terminal in the period T is not more than the uplink capacity value reported by the terminal.
The embodiment of the invention also provides a data scheduling device, which is applied to a terminal and comprises the following components:
a sending module, configured to send a second message to a network side device if it is determined that the uplink data traffic exceeds the terminal capability, where the second message includes any one of the following:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
the downlink path loss value of the terminal exceeds a preset value;
and the downlink path loss value of the terminal exceeds a preset value, and the uplink transmitting power needs to exceed the upper limit of the power level 3.
In some embodiments, the sending module is further configured to send a power headroom report to the network side device after sending a power backoff message to the network side device, where a power headroom value in the power headroom report is a negative value or indicates that the terminal performs power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that an uplink data traffic exceeds a terminal capability, the sending module is configured to send the power backoff message or the request for suspending the uplink service to the network side device;
and when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the sending module is used for sending the uplink service current limiting request or the first message to the network side equipment.
In some embodiments, the apparatus further includes an obtaining module, configured to obtain an uplink transmission duty ratio of the terminal in a period T, where the obtaining of the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols in uplink scheduling and the total number M of symbols in downlink scheduling of the terminal in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
The embodiment of the invention also provides a data scheduling device, which is applied to network side equipment and comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; the processor implements the data scheduling method as described above when executing the program.
In some embodiments, if it is determined that the uplink data traffic exceeds the terminal capability, the processor is configured to perform any one of:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
receiving a power back-off message of the terminal;
receiving a first message of the terminal, wherein the first message indicates that the uplink sending proportion of the terminal in a period T is larger than the uplink capacity value reported by the terminal;
receiving a request for suspending uplink service of the terminal;
and receiving an uplink service current limiting request of the terminal.
In some embodiments, the processor is further configured to obtain an uplink transmission duty ratio of the terminal in a period T, where obtaining the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols scheduled by the terminal in an uplink mode and the total number M of symbols scheduled in a downlink mode in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
In some embodiments, after receiving the power backoff message of the terminal, the processor is further configured to receive a power headroom report reported by the terminal, where a power headroom value in the power headroom report is a negative value or indicates the terminal to perform power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the processor is specifically configured to stop scheduling the uplink data service of the terminal;
when the terminal does not execute the voice service, if the uplink data service volume is judged to exceed the terminal capacity, the processor is specifically used for reducing the uplink data service of the scheduling terminal or increasing the uplink scheduling interval of the terminal.
In some embodiments, after stopping scheduling the uplink data traffic of the terminal, if a preset first condition is met, after a period T1, the processor is specifically configured to resume the uplink data traffic of the scheduled terminal, where the first condition includes any one of:
the voice service of the terminal is ended;
and the uplink sending proportion of the terminal in the period T is not more than the uplink capacity value reported by the terminal.
The embodiment of the invention also provides a data scheduling device, which is applied to a terminal and comprises a memory, a processor and a computer program, wherein the computer program is stored on the memory and can run on the processor; the processor implements the data scheduling method as described above when executing the program.
In some embodiments, if it is determined that the uplink data traffic exceeds the terminal capability, the processor is configured to send a second message to the network side device, where the second message includes any one of the following:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
the downlink path loss value of the terminal exceeds a preset value;
and the downlink path loss value of the terminal exceeds a preset value, and the uplink transmitting power needs to exceed the upper limit of the power level 3.
In some embodiments, after sending the power backoff message to the network side device, the processor is further configured to send a power headroom report to the network side device, where a power headroom value in the power headroom report is a negative value or indicates that the terminal performs power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that an uplink data traffic volume exceeds a terminal capability, the processor is specifically configured to send the power backoff message or the uplink service suspension request to the network side device;
when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the processor is specifically configured to send the uplink service current limiting request or the first message to the network side device.
In some embodiments, the processor is further configured to obtain an uplink transmission duty ratio of the terminal in a period T, where obtaining the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols in uplink scheduling and the total number M of symbols in downlink scheduling of the terminal in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps in the data scheduling method as described above.
The embodiment of the invention has the following beneficial effects:
in the above scheme, when it is determined that the uplink data traffic exceeds the terminal capability, the network side device may stop scheduling the uplink data traffic of the terminal, or reduce the uplink data traffic of the terminal, or increase the uplink scheduling interval of the terminal, so that the uplink data traffic of the terminal may be reduced, and the advantage of high power of the terminal is exerted on the premise of ensuring the SAR requirement of the terminal; the edge coverage of the cell is ensured, in addition, the frequency of terminal power backspacing can be reduced, the stability of voice service is ensured, and the call drop rate is reduced.
Drawings
Fig. 1 is a schematic flowchart of a data scheduling method applied to a network side device according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a data scheduling method applied to a terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data scheduling apparatus applied to a network side device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a data scheduling apparatus applied to a terminal according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a data scheduling apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a data scheduling method and device, which can ensure the stability of terminal service.
An embodiment of the present invention provides a data scheduling method, which is applied to a network side device, and as shown in fig. 1, the method includes:
step 101: if the uplink data traffic is judged to exceed the terminal capacity, the network side equipment executes any one of the following items:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
In this embodiment, when it is determined that the uplink data traffic exceeds the terminal capability, the network side device may stop scheduling the uplink data traffic of the terminal, or reduce the uplink data traffic of the terminal, or increase the uplink scheduling interval of the terminal, so that the uplink data traffic of the terminal may be reduced, and the advantage of high power of the terminal is exerted on the premise of ensuring the SAR requirement of the terminal; the edge coverage of the cell is ensured, in addition, the frequency of terminal power backspacing can be reduced, the stability of voice service is ensured, and the call drop rate is reduced.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
receiving a power back-off message of the terminal;
receiving a first message of the terminal, wherein the first message indicates that the uplink sending proportion of the terminal in a period T is larger than the uplink capacity value reported by the terminal;
receiving a request for suspending uplink service of the terminal;
and receiving an uplink service current limiting request of the terminal.
In some embodiments, the method further includes acquiring an uplink transmission duty ratio of the terminal in a period T, where acquiring the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols scheduled by the terminal in an uplink mode and the total number M of symbols scheduled in a downlink mode in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
In some embodiments, after receiving the power back-off message of the terminal, the method further includes:
and receiving a power headroom report reported by the terminal, wherein the power headroom value in the power headroom report is a negative value or indicates the terminal to carry out power backoff.
In this embodiment, after receiving the power backoff message of the terminal, the network side device does not need to instruct the terminal to report the power headroom report, and the terminal automatically reports the power headroom report, thereby saving signaling resources.
In some embodiments, when the terminal executes the voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the network side device stops scheduling the uplink data service of the terminal, so that the data service can be prevented from affecting the voice service, and the stability of the voice service can be ensured;
when the terminal does not execute the voice service, if the uplink data service volume is judged to exceed the terminal capacity, the network side equipment reduces the uplink data service of the scheduling terminal or increases the uplink scheduling interval of the terminal, so that the continuity of the data service can be maintained.
In some embodiments, after stopping scheduling the uplink data service of the terminal, if a preset first condition is met, after a period T1, the network side device recovers the uplink data service of the scheduling terminal, where the first condition includes any one of:
the voice service of the terminal is ended;
and the uplink sending proportion of the terminal in the period T is not more than the uplink capacity value reported by the terminal.
An embodiment of the present invention further provides a data scheduling method, which is applied to a terminal, and as shown in fig. 2, the method includes:
step 201: if the uplink data traffic exceeds the terminal capability, the terminal sends a second message to the network side equipment, wherein the second message comprises any one of the following items:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
In this embodiment, if it is determined that the uplink data traffic exceeds the terminal capability, the terminal sends a second message to the network side device, so that the network side device may stop scheduling the uplink data traffic of the terminal, or reduce scheduling the uplink data traffic of the terminal, or increase an uplink scheduling interval of the terminal, so that the uplink data traffic of the terminal may be reduced, and the advantage of high power of the terminal is exerted on the premise of ensuring the SAR requirement of the terminal; the edge coverage of the cell is ensured, in addition, the frequency of terminal power backspacing can be reduced, the stability of voice service is ensured, and the call drop rate is reduced.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
the downlink path loss value of the terminal exceeds a preset value;
and the downlink path loss value of the terminal exceeds a preset value, and the uplink transmitting power needs to exceed the upper limit of the power level 3.
In some embodiments, after sending the power backoff message to the network side device, the method further includes:
and sending a power headroom report to the network side equipment, wherein the power headroom value in the power headroom report is a negative value or indicates the terminal to carry out power backoff. In this embodiment, after receiving the power backoff message of the terminal, the network side device does not need to instruct the terminal to report the power headroom report, and the terminal automatically reports the power headroom report, thereby saving signaling resources.
In some embodiments, when the terminal executes the voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the terminal sends the power backoff message or the uplink service suspension request to the network side device, so that the data service can be prevented from affecting the voice service, and the stability of the voice service can be ensured;
when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the terminal sends the uplink service current limiting request or the first message to the network side equipment, so that the continuity of the data service can be maintained.
In some embodiments, the method further includes acquiring an uplink transmission duty ratio of the terminal in the period T, and acquiring the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols in uplink scheduling and the total number M of symbols in downlink scheduling of the terminal in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
The technical solution of this embodiment may be applied to a 5G network, and the technical solution of the present invention is further described with reference to the following specific examples:
in a specific example, a terminal (User Equipment, UE) accesses a 5G network at a power level of 2 (high power, 26dBm), the terminal performs a 5G New air interface Voice (VoNR) service at a cell edge, uplink transmit power exceeds a power level of 3(23dBm) and does not reach 26dBm, at this time, an uplink big packet data service is initiated, since the priority of the VoNR service is 1 (highest priority), the network side needs to ensure the normality and continuity of the VoNR service, the network side device converts the total number of symbol scheduled uplink in a period T into an uplink transmit duty ratio X in the period T by statistics, compares the uplink transmit duty ratio X with the maxuplinkdtycycle capability reported by the UE, and if X > maxuplinkdtycycle, the network side device (such as a base station) stops scheduling the uplink data service, and otherwise normally schedules the uplink data service; after the VoNR service is ended or X < ═ maxuplinkdtycycle, the uplink data service scheduling is resumed after a period of time (T1), where T1 may be a value agreed by a protocol or configured by a network side device, and may specifically be 5 s.
In another specific example, a terminal accesses a 5G network with a power class 2 (high power, 26dBm), the terminal performs a 5G VoNR service at a cell edge, uplink transmission power exceeds a power class 3(23dBm), and does not reach 26dBm, at this time, an uplink big packet data service is initiated, since the priority of the VoNR service is 1 (highest priority), the network side needs to ensure the normality and continuity of the VoNR service, an uplink transmission ratio X in T is converted by counting the total number of symbols scheduled in a period T, and is compared with the maxuplinkdycycle capability reported by the UE, if X > maxuplinkdycycle, the base station reduces the number of scheduled uplink symbols or lengthens an uplink scheduling interval, so that X < ═ maxuplinkdycycle in the period T and the uplink data service can be scheduled continuously; the elongated uplink scheduling interval may be a value agreed by a protocol or configured by a network side device, for example, 20 ms.
In another specific example, the terminal accesses the 5G network with a power level of 2 (high power, 26dBm), at the edge of a cell, the terminal performs a 5G VoNR service, the uplink transmission power exceeds a power level of 3(23dBm), and does not reach 26dBm, at this time, the terminal initiates an uplink big packet data service, since the priority of the VoNR service is 1 (highest priority), the network side needs to ensure the normality and continuity of the VoNR service, the terminal counts the total number of symbols scheduled in uplink within a period T, converts the total number into an uplink transmission duty ratio X within the period T, if X > maxlinkduncycle is found, the terminal notifies the base station (e.g., UE _ power _ class _ backoff _ report) through a new message or signaling, then, the terminal triggers a power backoff, after the base station receives and parses the message, the base station feeds back the message through a message or signaling (e.g., UE _ power _ class _ backoff _ response), and then, the base station reduces the number of scheduled uplink symbols, so that X is maxuplinkdutycycleto enable uplink data service to continue scheduling, when the terminal finds that the conversion ratio of symbol number of uplink data service scheduling in a period T is Y < ═ maxUplinkDutyCycle, the terminal releases power backoff, the terminal reports the base station terminal power backoff release through a newly added message or signaling (e.g., UE _ power _ class _ backoff _ report), and please maintain the current scheduling behavior until the next message reports to inform the base station of normal scheduling.
In addition to defining the new message or signaling, in this embodiment, after the terminal triggers power backoff, the terminal may actively report a PHR (power headroom) to the network side, where the reported PHR is a negative value or indicates whether power backoff is performed or not by adding 1bit information in the PHR (0 indicates no power backoff, and 1 indicates power backoff).
In another specific example, the UE is located at a cell edge, uplink transmission power exceeds power level 3(23dBm), and does not reach 26dBm, at this time, an uplink big packet data service is initiated, the base station converts the total number of symbols scheduled in the T into uplink transmission ratio X in the T by statistics, and compares the uplink transmission ratio X with maxuplinkdutycycleability reported by the UE, if X > maxuplinkdutycyclee, the base station reduces the number of scheduled uplink symbols or lengthens uplink scheduling intervals, so that X < ═ maxUplinkDutyCycle in the period T, and the uplink data service can be scheduled;
in another specific example, the terminal is located at the edge of a cell, the uplink transmission power exceeds the power level 3(23dBm), and has not reached 26dBm, at this time, the uplink big packet data service is initiated, the terminal counts the total number of symbols scheduled in the uplink within the period T, and converts the total number of symbols scheduled in the uplink within the period T into the uplink transmission duty ratio X within the period T, if X > maxupendadtycycle is found, the terminal notifies the base station (e.g., UE _ power _ class _ backoff _ report) through a new message or signaling, then, the terminal triggers power backoff, after the base station receives and parses the message, the base station feeds back that the terminal has confirmed to receive the message (e.g., UE _ power _ class _ backoff _ response), and then, the base station reduces the number of symbols scheduled in the uplink so that X is maxuadumoncycle, so that the uplink data service can continue to schedule the uplink data service, and when the uplink transmission power ratio of the terminal in the uplink schedule T is smaller than the number of symbols scheduled in the uplink duty cycle, the terminal cancels the power backoff, and reports the base station terminal power backoff cancellation through a new message or signaling (e.g., UE _ power _ class _ backoff _ report), and please maintain the current scheduling behavior until the next message report informs the base station of normal scheduling.
In addition to defining the new message or signaling, in this embodiment, after the terminal triggers power backoff, the terminal may actively report a PHR (power headroom) to the network side, where the reported PHR is a negative value or indicates whether power backoff is performed or not by adding 1bit information in the PHR (0 indicates no power backoff, and 1 indicates power backoff).
In another specific example, the terminal is located at a cell edge, the terminal performs a 5G VoNR service, the terminal finds that a current downlink path loss is large through calculation of downlink Synchronization Signal Reference Signal Received Power (SS-RSRP), the terminal is already located at the cell edge, and finds that uplink transmit Power needs to exceed an upper limit (23dBm) of a Power class 3 in combination with uplink expected Received Power initially configured by the base station, and at this time, in order to ensure that the VoNR service is normal, the terminal may request the base station to reduce uplink service data by stopping sending an uplink BSR (i.e., sending a suspended uplink service request to the base station) or sending a BSR (i.e., reducing uplink application data traffic, that is, triggering uplink service current limitation by the terminal), so that a reduced ratio Z of a symbol number scheduled by the uplink data service within a period T is limited to send the uplink data service.
In another specific example, the terminal finds that the current downlink path loss is large through downlink SS-RSRP calculation, the terminal is already located at the edge of the cell, and can apply for limited uplink data traffic volume by sending BSR, that is, the terminal triggers uplink traffic flow limitation to reduce an uplink traffic data request, so that the reduced ratio Z of symbol number of uplink data traffic scheduling in a period T is ═ maxuplink duty cycle, and the uplink data traffic is sent in a limited manner.
An embodiment of the present invention further provides a data scheduling apparatus, which is applied to a network side device, and as shown in fig. 3, the apparatus includes:
the processing module 31 is configured to, if it is determined that the uplink data traffic exceeds the terminal capability, execute any one of the following:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
In this embodiment, when it is determined that the uplink data traffic exceeds the terminal capability, the network side device may stop scheduling the uplink data traffic of the terminal, or reduce the uplink data traffic of the terminal, or increase the uplink scheduling interval of the terminal, so that the uplink data traffic of the terminal may be reduced, and the advantage of high power of the terminal is exerted on the premise of ensuring the SAR requirement of the terminal; the edge coverage of the cell is ensured, in addition, the frequency of terminal power backspacing can be reduced, the stability of voice service is ensured, and the call drop rate is reduced.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
receiving a power back-off message of the terminal;
receiving a first message of the terminal, wherein the first message indicates that the uplink sending proportion of the terminal in a period T is larger than the uplink capacity value reported by the terminal;
receiving a request for suspending uplink service of the terminal;
and receiving an uplink service current limiting request of the terminal.
In some embodiments, the apparatus further includes an obtaining module, configured to obtain an uplink transmission duty ratio of the terminal in a period T, where the obtaining of the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols scheduled by the terminal in an uplink mode and the total number M of symbols scheduled in a downlink mode in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
In some embodiments, the apparatus further comprises:
a receiving module, configured to receive a power headroom report reported by the terminal after receiving a power backoff message of the terminal, where a power headroom value in the power headroom report is a negative value or indicates the terminal to perform power backoff.
In some embodiments, when the terminal executes the voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the processing module 31 stops scheduling the uplink data service of the terminal;
when the terminal does not execute the voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the processing module 31 reduces the uplink data service of the scheduling terminal or increases the uplink scheduling interval of the terminal.
In some embodiments, after stopping scheduling the uplink data traffic of the terminal, if a preset first condition is met, after a period T1, the processing module 31 recovers the uplink data traffic of the scheduled terminal, where the first condition includes any one of:
the voice service of the terminal is ended;
and the uplink sending proportion of the terminal in the period T is not more than the uplink capacity value reported by the terminal.
An embodiment of the present invention further provides a data scheduling apparatus, which is applied to a terminal, and as shown in fig. 4, the apparatus includes:
a sending module 41, configured to send a second message to the network side device if it is determined that the uplink data traffic exceeds the terminal capability, where the second message includes any one of the following:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
In this embodiment, if it is determined that the uplink data traffic exceeds the terminal capability, the terminal sends a second message to the network side device, so that the network side device may stop scheduling the uplink data traffic of the terminal, or reduce scheduling the uplink data traffic of the terminal, or increase an uplink scheduling interval of the terminal, so that the uplink data traffic of the terminal may be reduced, and the advantage of high power of the terminal is exerted on the premise of ensuring the SAR requirement of the terminal; the edge coverage of the cell is ensured, in addition, the frequency of terminal power backspacing can be reduced, the stability of voice service is ensured, and the call drop rate is reduced.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
the downlink path loss value of the terminal exceeds a preset value;
and the downlink path loss value of the terminal exceeds a preset value, and the uplink transmitting power needs to exceed the upper limit of the power level 3.
In some embodiments, the sending module 41 is further configured to send a power headroom report to the network side device after sending the power backoff message to the network side device, where a power headroom value in the power headroom report is a negative value or indicates that the terminal performs power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that an uplink data traffic volume exceeds a terminal capability, the sending module 41 is configured to send the power backoff message or the uplink service suspension request to the network side device;
when the terminal does not execute the voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the sending module 41 is configured to send the uplink service current limiting request or the first message to the network side device.
In some embodiments, the apparatus further includes an obtaining module, configured to obtain an uplink transmission duty ratio of the terminal in a period T, where the obtaining of the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols in uplink scheduling and the total number M of symbols in downlink scheduling of the terminal in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
An embodiment of the present invention further provides a data scheduling apparatus, as shown in fig. 5, including a memory 51, a processor 52, and a computer program stored on the memory 51 and executable on the processor 52; the processor implements the data scheduling method according to the above embodiment when executing the program, and details are not repeated here.
In some embodiments, if it is determined that the uplink data traffic exceeds the terminal capability, the processor 52 is configured to execute any one of the following:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
receiving a power back-off message of the terminal;
receiving a first message of the terminal, wherein the first message indicates that the uplink sending proportion of the terminal in a period T is larger than the uplink capacity value reported by the terminal;
receiving a request for suspending uplink service of the terminal;
and receiving an uplink service current limiting request of the terminal.
In some embodiments, the processor 52 is further configured to obtain an uplink transmission duty ratio of the terminal in the period T, where obtaining the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols scheduled by the terminal in an uplink mode and the total number M of symbols scheduled in a downlink mode in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
In some embodiments, after receiving the power backoff message of the terminal, the processor 52 is further configured to receive a power headroom report reported by the terminal, where a power headroom value in the power headroom report is a negative value or indicates the terminal to perform power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the processor 52 is specifically configured to stop scheduling the uplink data service of the terminal;
when the terminal does not execute the voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the processor 52 is specifically configured to reduce the uplink data service of the scheduling terminal or increase the uplink scheduling interval of the terminal.
In some embodiments, after stopping scheduling the uplink data traffic of the terminal, if a preset first condition is met, after a period T1, the processor 52 is specifically configured to resume the uplink data traffic of the scheduled terminal, where the first condition includes any one of:
the voice service of the terminal is ended;
and the uplink sending proportion of the terminal in the period T is not more than the uplink capacity value reported by the terminal.
In some embodiments, if it is determined that the uplink data traffic exceeds the terminal capability, the processor 52 is configured to send a second message to the network side device, where the second message includes any one of the following:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
In some embodiments, the determining that the uplink data traffic exceeds the terminal capability includes any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
the downlink path loss value of the terminal exceeds a preset value;
and the downlink path loss value of the terminal exceeds a preset value, and the uplink transmitting power needs to exceed the upper limit of the power level 3.
In some embodiments, after sending the power backoff message to the network side device, the processor 52 is further configured to send a power headroom report to the network side device, where a power headroom value in the power headroom report is a negative value or indicates that the terminal performs power backoff.
In some embodiments, when the terminal executes a voice service, if it is determined that an uplink data traffic volume exceeds a terminal capability, the processor 52 is specifically configured to send the power backoff message or the uplink service suspension request to the network side device;
when the terminal does not execute the voice service, if it is determined that the uplink data traffic exceeds the terminal capability, the processor 52 is specifically configured to send the uplink service current limiting request or the first message to the network side device.
In some embodiments, the processor 52 is further configured to obtain an uplink transmission duty ratio of the terminal in the period T, where obtaining the uplink transmission duty ratio of the terminal in the period T includes:
counting the total number N of symbols in uplink scheduling and the total number M of symbols in downlink scheduling of the terminal in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps in the data scheduling method as described above.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technologies, compact disc read only memory (CD-ROM), Digital Versatile Disc (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage terminal devices to be detected, or any other non-transmission medium that can be used to store information that can be accessed by a computer terminal device to be detected. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
While the foregoing is directed to the preferred embodiment of the present invention, 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 as defined in the appended claims.
Claims (15)
1. A data scheduling method is applied to a network side device, and the method comprises the following steps:
if the uplink data traffic is judged to exceed the terminal capacity, the network side equipment executes any one of the following items:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
2. The data scheduling method of claim 1, wherein the determining that the uplink data traffic exceeds the terminal capability comprises any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
receiving a power back-off message of the terminal;
receiving a first message of the terminal, wherein the first message indicates that the uplink sending proportion of the terminal in a period T is larger than the uplink capacity value reported by the terminal;
receiving a request for suspending uplink service of the terminal;
and receiving an uplink service current limiting request of the terminal.
3. The data scheduling method of claim 1, further comprising obtaining the uplink transmission duty ratio of the terminal in the period T, wherein obtaining the uplink transmission duty ratio of the terminal in the period T comprises:
counting the total number N of symbols scheduled by the terminal in an uplink mode and the total number M of symbols scheduled in a downlink mode in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
4. The data scheduling method of claim 2, wherein after receiving the power back-off message of the terminal, the method further comprises:
and receiving a power headroom report reported by the terminal, wherein the power headroom value in the power headroom report is a negative value or indicates the terminal to carry out power backoff.
5. The data scheduling method of claim 1, wherein when the terminal executes a voice service, if it is determined that the uplink data traffic volume exceeds the terminal capability, the network-side device stops scheduling the uplink data traffic of the terminal;
and when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the network side equipment reduces the uplink data service of the scheduling terminal or increases the uplink scheduling interval of the terminal.
6. The data scheduling method according to claim 1, wherein after the uplink data traffic of the terminal is stopped being scheduled, if a preset first condition is met, after a period T1, the network side device resumes the uplink data traffic of the terminal being scheduled, where the first condition includes any one of:
the voice service of the terminal is ended;
and the uplink sending proportion of the terminal in the period T is not more than the uplink capacity value reported by the terminal.
7. A data scheduling method is applied to a terminal, and the method comprises the following steps:
if the uplink data traffic exceeds the terminal capability, the terminal sends a second message to the network side equipment, wherein the second message comprises any one of the following items:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
8. The data scheduling method of claim 7, wherein the determining that the uplink data traffic exceeds the terminal capability comprises any one of:
the uplink sending proportion of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
the downlink path loss value of the terminal exceeds a preset value;
and the downlink path loss value of the terminal exceeds a preset value, and the uplink transmitting power needs to exceed the upper limit of the power level 3.
9. The data scheduling method of claim 7, wherein after sending the power back-off message to the network side device, the method further comprises:
and sending a power headroom report to the network side equipment, wherein the power headroom value in the power headroom report is a negative value or indicates the terminal to carry out power backoff.
10. The data scheduling method of claim 7,
when the terminal executes the voice service, if the uplink data service volume exceeds the terminal capacity, the terminal sends the power backspacing message or the uplink service suspension request to the network side equipment;
and when the terminal does not execute the voice service, if the uplink data service volume exceeds the terminal capacity, the terminal sends the uplink service current limiting request or the first message to the network side equipment.
11. The data scheduling method of claim 7, further comprising obtaining the uplink transmission duty ratio of the terminal in the period T, wherein obtaining the uplink transmission duty ratio of the terminal in the period T comprises:
counting the total number N of symbols in uplink scheduling and the total number M of symbols in downlink scheduling of the terminal in a period T;
and obtaining the uplink transmission ratio of the terminal in the period T through N/(N + M).
12. A data scheduling apparatus, applied to a network side device, the apparatus comprising:
the processing module is used for executing any one of the following items if the uplink data traffic is judged to exceed the terminal capacity:
stopping scheduling the uplink data service of the terminal;
reducing uplink data traffic of the terminal;
and increasing the uplink scheduling interval of the terminal.
13. A data scheduling apparatus, applied to a terminal, the apparatus comprising:
a sending module, configured to send a second message to a network side device if it is determined that the uplink data traffic exceeds the terminal capability, where the second message includes any one of the following:
a power backoff message;
the first message indicates that the uplink sending duty ratio of the terminal in the period T is larger than the uplink capacity value reported by the terminal;
suspending the uplink service request;
and requesting the uplink service flow limitation.
14. A data scheduling apparatus comprising a memory, a processor and a computer program stored on said memory and executable on said processor; characterized in that the processor implements the data scheduling method according to any one of claims 1-11 when executing the program.
15. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the data scheduling method according to any one of claims 1 to 11.
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