CN113840366A - Power control method, device, electronic equipment and storage medium - Google Patents

Power control method, device, electronic equipment and storage medium Download PDF

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Publication number
CN113840366A
CN113840366A CN202010590813.6A CN202010590813A CN113840366A CN 113840366 A CN113840366 A CN 113840366A CN 202010590813 A CN202010590813 A CN 202010590813A CN 113840366 A CN113840366 A CN 113840366A
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power control
frame structure
service
time slot
power
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CN113840366B (en
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印翀
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/34TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/44TPC being performed in particular situations in connection with interruption of transmission
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

The embodiment of the invention provides a power control method, a power control device, electronic equipment and a storage medium, wherein the method comprises the following steps: judging whether a non-overlapping uplink time slot exists in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in a first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is a frame structure corresponding to the priority network; the second frame structure is a frame structure corresponding to the non-priority network; transmitting power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information. The power control method, the device, the electronic equipment and the storage medium provided by the embodiment of the invention aim at the NSA networking mode, and specifically control the power of the UE according to whether the non-overlapping uplink time slots exist in the 5G frame structure, thereby solving the technical problem that the 5G low-delay service is forced to be interrupted when the 4G service occupies the total power of the UE.

Description

Power control method, device, electronic equipment and storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a power control method and apparatus, an electronic device, and a storage medium.
Background
At the beginning of the construction of the 5th generation mobile communication technology (5G), the non-independent (NSA) networking mode in which the 4th generation mobile communication technology (4G) and the 5G coexist is generally adopted, and at this time, a terminal (User Equipment, UE) will simultaneously access to the 4G and the 5G networks and will simultaneously transmit data in the two networks, and the power required for data transmission in the two networks is assumed by the total power of the UE.
Since the total power of the UE is constantly limited, it is currently specified in the standard protocol that, at a certain time, when the sum of the powers required for data transmission in two networks exceeds the maximum value of the total power of the UE, the 4G service transmission is prioritized, that is, the total power is first used to satisfy the transmission of the 4G service, and the 5G service transmission may use the remaining power. Under the strategy, the transmission of the 4G service always occupies the total power, which results in that the transmission of the 5G service cannot be performed, thus causing that the low-delay service data cannot be continuously and effectively transmitted in the 5G network, and the 4G network cannot guarantee the delay requirement of the service, thus causing that the performance requirement of the low-delay service cannot be satisfied, and reducing the safety and reliability of the system.
Disclosure of Invention
Embodiments of the present invention provide a power control method and apparatus, an electronic device, and a storage medium, which are used to solve the above technical problems in the prior art.
In a first aspect, an embodiment of the present invention provides a power control method, including:
judging whether a non-overlapping uplink time slot exists in the first frame structure, and determining a judgment result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the terminal UE accesses the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
transmitting power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information.
Further, sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink time slots exist in the first frame structure, sending the power control information to the UE, wherein the power control information comprises time slot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, and the first service is a service supported by the preferred network.
Further, sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink timeslot does not exist in the first frame structure and when the UE does not support dynamic power sharing, sending the power control information to the UE, where the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by the non-priority network.
Further, sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink timeslot does not exist in the first frame structure and the UE supports dynamic power sharing, sending the power control information to the UE, where the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by the non-priority network.
In a second aspect, an embodiment of the present invention provides a power control method, including:
receiving power control information sent by a network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
controlling own power based on the power control information.
Further, when the non-overlapping uplink timeslots exist in the first frame structure, the power control information includes timeslot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, wherein the first service is a service supported by the preferred network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and preferentially scheduling the non-overlapping uplink time slots to carry out the first service according to the time slot scheduling indication information.
Further, when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE does not support dynamic power sharing, the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by the non-prioritized network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and stopping the second service according to the second service stop indication information.
Further, when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE supports dynamic power sharing, the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by the non-priority network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and reducing the power when the second service is carried out according to the second power reduction indication information.
In a third aspect, an embodiment of the present invention provides a power control apparatus, including:
the determining module is used for judging whether the first frame structure has non-overlapping uplink time slots or not and determining a judgment result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
a sending module, configured to send power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information.
In a fourth aspect, an embodiment of the present invention provides a power control apparatus, including:
the receiving module is used for receiving the power control information sent by the network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
and the control module is used for controlling the power of the control module based on the power control information.
In a fifth aspect, an embodiment of the present invention provides an electronic device, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the power control method provided in the first or second aspect when executing the computer program.
In a sixth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the power control method provided in the first aspect or the second aspect are implemented.
The power control method, the device, the electronic equipment and the storage medium provided by the embodiment of the invention aim at a 5G NSA networking mode, and specifically control the power of the UE according to whether non-overlapping uplink time slots exist in a 5G frame structure, thereby solving the technical problem that when 4G services occupy the total power of the UE, the 5G low-delay services are forced to be interrupted.
Drawings
Fig. 1 is a schematic diagram of a power control method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a 4G &5G uplink timeslot allocation scheme according to an embodiment of the present invention;
fig. 3 is a second schematic diagram of the 4G &5G uplink timeslot allocation scheme according to the embodiment of the present invention;
fig. 4 is a third schematic diagram illustrating a 4G &5G uplink timeslot matching scheme according to an embodiment of the present invention;
FIG. 5 is a flow chart of power control logic provided by an embodiment of the present invention;
fig. 6 is a second schematic diagram of a power control method according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a power control apparatus according to an embodiment of the present invention;
fig. 8 is a second schematic diagram of a power control apparatus according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In order to meet the requirements of the new generation of mobile communication services, 5G can bring smaller service delay to users compared with 4G. High-reliability and Low-delay communication (Ultra-reliable and Low Latency Communications, URLLC) services require Downlink (DL) and uplink (Up Link, UL) delays of 0.5ms, Enhanced Mobile Broadband (eMBB) services require DL and UL delays of 4ms, and these Low-delay requirements must depend on the slot (slot) structure design unique to the 5G system. Compared with the 1ms time slot duration of a 4G system, when a larger interval subcarrier interval is selected under 5G, the time slot duration is shortened, the length of each OFDM symbol is shortened, and meanwhile, the data scheduling granularity of the 5G system is refined to a symbol level so as to achieve the aim of reducing the time delay.
In the initial stage of 5G construction, an NSA networking mode in which 4G and 5G coexist is generally adopted, and at this time, the UE will simultaneously access to the 4G and 5G networks and will simultaneously transmit data in the two networks, and the power required for data transmission in the two networks is borne by the total power of the UE.
Currently, in the standard protocol, for the NSA networking mode of 4G/5G coexistence, the power control of the UE follows the following principle:
1. when the sum of the configured 4G maximum transmission power and the configured 5G maximum transmission power is less than or equal to the total power of the UE, the UE can meet the condition even if the 4G and the 5G are transmitted at the maximum power, and under the condition, the condition of service interruption cannot be caused.
2. When the sum of the configured 4G transmission maximum power and the 5G maximum transmission power is larger than the total power of the UE, the UE determines the power of the 5G transmission according to the following principle:
(1) UE with dynamic power sharing capability
When the UE has the dynamic power sharing capability, if the 4G transmission and the 5G transmission of the UE overlap in time, that is, the UE has both 4G transmission and 5G transmission at the same time, the power required for 4G transmission and the power required for 5G transmission are both calculated by the UE through a power control formula specified by a protocol, and at this time, if the sum of the power required for 4G transmission and the power required for 5G transmission is greater than the total power of the UE, the 5G transmission power needs to be reduced so that the sum of the two powers is less than or equal to the total power of the UE. If the power value to be reduced by the 5G transmission power exceeds the threshold XSCALEThen the 5G transmission will be cancelled, at which time only the 4G network transmission is made.
(2) UE does not have dynamic power sharing capability
When the UE does not have the dynamic power sharing capability, the base station needs to configure a parameter tdm-pattern config-r15 (subframe matching pattern of 4G) for the UE, and if a certain time belongs to an uplink timeslot of the subframe matching of 4G, the UE will not process 5G transmission at that time.
As can be seen from the above, the existing dual-connection power control technology adopts the 4G priority principle, and regardless of whether the UE supports dynamic power sharing, the power of the UE will preferentially ensure 4G transmission. Under dynamic power sharing, 5G transmission may proceed if sufficient power remains after the 4G transmission is guaranteed. If the remaining power is too low, the 5G transmission at this time is suspended. If the UE does not support dynamic power sharing, the 5G transmission is suspended at the 4G uplink transmission time regardless of whether there is a 4G transmission.
According to the existing scheduling scheme, the 5G uplink scheduling and the 4G uplink scheduling of the UE are performed independently, 5G transmission will occur in any uplink time slot of the 5G network, and so will 4G transmission. Then the occurrence of 5G transmissions and 4G transmissions at the same time will occur frequently.
If according to the existing power control scheme and scheduling scheme, when the UE needs to transmit the low latency service in the 5G network, it is inevitable that the 4G and 5G transmissions are simultaneously performed, resulting in a phenomenon of 5G transmission suspension, and if the 5G transmission is frequently interrupted, the low latency service cannot be guaranteed in performance, which reduces the security and reliability of the system and affects the user experience.
To solve the above technical problem, fig. 1 is a schematic diagram of a power control method according to an embodiment of the present invention, and as shown in fig. 1, an embodiment of the present invention provides a power control method. The method comprises the following steps:
step 101, judging whether a non-overlapping uplink time slot exists in a first frame structure, and determining a judgment result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the terminal UE accesses the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network.
Specifically, in a scenario where the embodiment of the present invention is applied to NSA networking, first, a network side needs to determine whether a non-overlapping uplink timeslot exists in a first frame structure, where the non-overlapping uplink timeslot is a target uplink timeslot in the first frame structure, and a corresponding timeslot in a second frame structure corresponding to the target uplink timeslot in terms of time is a non-uplink timeslot. The first frame structure is used when the UE is accessed to the priority network, and the second frame structure is used when the UE is accessed to the non-priority network.
Aiming at the scene of 5G NSA networking, the preferential network is a 5G network, and the non-preferential network is a 4G network. The first frame structure is used when the UE is accessed to the 5G network, and the second frame structure is used when the UE is accessed to the 4G network.
In the scene of 5G NSA networking, the frame structures of 4G and 5G are independently planned, so the uplink time slots in the first frame structure and the second frame structure may be completely staggered, may be partially staggered, and may also be completely overlapped.
When 4G and 5G are deployed in different frequency bands and the frequency band isolation is large enough, cross-slot interference does not need to be considered. In this case, although their slot ratios are fixed according to the needs, their frame start points can be freely configured, and in this case, the 4G and 5G slot ratios should stagger the uplink slots as much as possible.
Fig. 2 is a schematic diagram of 4G &5G uplink timeslot allocation provided in an embodiment of the present invention, and as shown in fig. 2, if uplink timeslots according to 4G and 5G are just completely staggered, uplink transmissions of them will not be performed simultaneously, and there is no need to worry about interruption of 5G transmission in this scenario.
Fig. 3 is a second schematic diagram illustrating the configuration of 4G &5G uplink timeslots according to the embodiment of the present invention, as shown in fig. 3, if the uplink timeslots of 4G and 5G may not be completely staggered, then there is a possibility that 4G and 5G may perform uplink transmission simultaneously, and at this time, if the sum of the power required for 4G transmission and the power required for 5G transmission is greater than the total power of the UE, the transmission of traffic will be inevitably affected.
When two systems, 4G and 5G, use the same frequency band for networking, there is cross-slot interference between them, and this inter-system interference is mainly caused by the inconsistency of transceiving between two system base stations. To eliminate this interference, it is generally necessary to ensure that two system base stations simultaneously transmit and receive signals, at least one of which is transmitting and the other is in a time slot where it cannot accept signals. In this scenario, the 4G and 5G uplink timeslots are typically completely overlapping.
Fig. 4 is a third schematic diagram illustrating the 4G &5G uplink timeslot matching ratio provided in the embodiment of the present invention, and as shown in fig. 3, the uplink timeslots of 4G and 5G are completely overlapped.
Step 102, transmitting power control information to the UE based on the judgment result; to instruct the UE to control its own power based on the power control information.
Specifically, after determining the determination result, power control information is transmitted to the UE based on the determination result to instruct the UE to control its own power based on the power control information.
When the non-overlapping uplink time slots exist in the first frame structure, the network side may send power control information to the UE, where the power control information includes time slot scheduling indication information. The time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, wherein the first service is a service supported by a preferred network. For example, in a scenario of 5G NSA networking, the first service is a URLLC service in a scenario of typical application of a 5G network.
When the non-overlapping uplink timeslot does not exist in the first frame structure, it is further necessary to determine a control strategy for its power in combination with the performance of the UE:
when the UE does not support dynamic power sharing, the network side may send power control information to the UE, where the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by a non-priority network. For example, in a scenario of 5G NSA networking, the second service is a service performed on a 4G network. That is, when the total power of the UE is not enough to support simultaneous 5G and 4G services, the 4G service is turned off to preferentially ensure that the 5G service is not interrupted.
When the UE supports dynamic power sharing, the network side may send power control information to the UE, where the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by a non-priority network. For example, in a scenario of 5G NSA networking, the second service is a service performed on a 4G network. That is, when the total power of the UE is not enough to support simultaneous 5G and 4G services, the 5G service is preferentially guaranteed not to be interrupted by reducing the power when the 4G service is performed.
The power control method provided by the embodiment of the invention is used for controlling the power of the UE in a targeted manner according to whether the non-overlapping uplink time slot exists in the 5G frame structure aiming at the 5G NSA networking mode, thereby solving the technical problem that the low-delay service of the 5G is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink time slots exist in the first frame structure, sending the power control information to the UE, wherein the power control information comprises time slot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, and the first service is a service supported by the preferred network.
Specifically, in the embodiment of the present invention, for the case that there is no overlapping uplink timeslot in the first frame structure, interruption of 5G transmission, which may be caused by simultaneous transmission of 4G and 5G, is avoided. The network side needs to identify the UEs processing the low delay service and treat the UEs specially through the scheduler, i.e. the UEs processing the low delay service are scheduled preferentially on the non-overlapping uplink time slot, so as to avoid scheduling the UEs processing the low delay service on the overlapping time slot as much as possible. The specific implementation flow is as follows:
(1) the network side scheduler identifies which UEs are processing low latency traffic by reading Quality of Service (QoS) or Quality of Service Class Identifier (QCI) of the UE traffic.
(2) On the non-overlapping uplink time slot, the scheduler sets the scheduling priority of the identified UEs to be high, so that the scheduler can preferentially schedule the UEs which are processing low-delay services, and ensure that the uplink transmission of the UE is effective.
(3) On the overlapped uplink time slot, the possibility of suspension of the 5G transmission of the UE exists, and normal scheduling or priority reduction scheduling can be carried out on the low-delay service UE.
Fig. 5 is a flowchart of power control logic provided in an embodiment of the present invention, and as shown in fig. 5, a network side may send power control information to a UE, where the power control information includes slot scheduling indication information. The time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, wherein the first service is a service supported by a preferred network. For example, in a scenario of 5G NSA networking, the first service is a URLLC service in a scenario of typical application of a 5G network.
The power control method provided by the embodiment of the invention aims at the situation that the non-overlapping uplink time slots exist in the 5G frame structure in the 5G NSA networking mode, and carries out the 5G service by preferentially scheduling the non-overlapping uplink time slots, thereby solving the technical problem that the 5G low-delay service is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink timeslot does not exist in the first frame structure and when the UE does not support dynamic power sharing, sending the power control information to the UE, where the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by the non-priority network.
Specifically, in the embodiment of the present invention, for the case that there is no non-overlapping uplink timeslot in the first frame structure, the control policy for the power of the UE is further determined in combination with the performance of the UE.
As shown in fig. 5, when the UE does not support dynamic power sharing, the network side may send power control information to the UE, where the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by a non-priority network. For example, in a scenario of 5G NSA networking, the second service is a service performed on a 4G network. That is, when the total power of the UE is not enough to support simultaneous 5G and 4G services, the 4G service is turned off to preferentially ensure that the 5G service is not interrupted.
For example, the network side may indicate, via the parameter tdm-PatternConfig-r15, whether the UE is to drop 5G transmission when 4G and 5G uplink timeslots overlap. If the network side does not send down the parameter tdm-Pattern config-r15, and the UE does not receive the parameter tdm-Pattern config-r15 within the preset time period, the 5G transmission is not abandoned, but the UE does not support the dynamic power sharing, and the 4G transmission must be abandoned at the moment.
If the network side issues the parameter tdm-Pattern config-r15 and the UE receives the parameter tdm-Pattern config-r15 within the preset time period, the 4G transmission is not abandoned, but the UE does not support the dynamic power sharing, and the 5G transmission must be abandoned at the moment.
The power control method provided by the embodiment of the invention preferentially ensures that the 5G service is not interrupted by closing the 4G service aiming at the condition that the 5G frame structure has no non-overlapping uplink time slot and the UE does not support dynamic power sharing under the 5G NSA networking mode, thereby solving the technical problem that the 5G low-delay service is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink timeslot does not exist in the first frame structure and the UE supports dynamic power sharing, sending the power control information to the UE, where the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by the non-priority network.
Specifically, for the case that the non-overlapping uplink timeslots do not exist in the first frame structure, the control strategy for the power of the UE is further determined according to the performance of the UE.
As shown in fig. 5, when the UE supports dynamic power sharing, the network side may send power control information to the UE, where the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by a non-priority network. For example, in a scenario of 5G NSA networking, the second service is a service performed on a 4G network. That is, when the total power of the UE is not enough to support simultaneous 5G and 4G services, the 5G service is preferentially guaranteed not to be interrupted by reducing the power when the 4G service is performed.
For example, when 4G and 5G are transmitted together, the network side transmits the parameter X to the UESCALEIndicating UE to reduce power when carrying out second service, UE passing parameter XSCALETo select whether to reduce the power of 4G transmissions or 5G transmissions. Configuration XSCALEWhen the power of the 5G service is reduced by 0dB, the 5G transmission is immediately terminated; configuration XSCALEWhen the value is 1, the 5G service power is reduced by more than 6dB, and the 5G transmission is immediately terminated; configuration XSCALEWhen the power of the 4G service is reduced by 0dB, the 4G transmission is immediately terminated; configuration XSCALEWhen the value is 3, the 4G service power is reduced by more than 6dB, and the 4G transmission is immediately terminated.
The power control method provided by the embodiment of the invention preferentially ensures that the 5G service is not interrupted by reducing the power of the 4G service aiming at the condition that the 5G frame structure has no non-overlapping uplink time slot and the UE supports dynamic power sharing under the 5G NSA networking mode, thereby solving the technical problem that the 5G low-delay service is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, fig. 6 is a second schematic diagram of a power control method according to an embodiment of the present invention, and as shown in fig. 6, an embodiment of the present invention provides a power control method, which includes:
step 601, receiving power control information sent by a network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network.
Specifically, after the network side transmits power control information to the UE based on whether the non-overlapping uplink timeslot exists in the first frame structure, the UE receives the power control information transmitted by the network side.
And step 602, controlling the self power based on the power control information.
Specifically, after receiving power control information transmitted from the network side, the UE controls its own power based on the power control information.
When the non-overlapping uplink time slots exist in the first frame structure, the network side may send power control information to the UE, where the power control information includes time slot scheduling indication information. The time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, wherein the first service is a service supported by a preferred network. For example, in a scenario of 5G NSA networking, the first service is a URLLC service in a scenario of typical application of a 5G network.
When the non-overlapping uplink timeslot does not exist in the first frame structure, it is further necessary to determine a control strategy for its power in combination with the performance of the UE:
when the UE does not support dynamic power sharing, the network side may send power control information to the UE, where the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by a non-priority network. For example, in a scenario of 5G NSA networking, the second service is a service performed on a 4G network. That is, when the total power of the UE is not enough to support simultaneous 5G and 4G services, the 4G service is turned off to preferentially ensure that the 5G service is not interrupted.
When the UE supports dynamic power sharing, the network side may send power control information to the UE, where the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by a non-priority network. For example, in a scenario of 5G NSA networking, the second service is a service performed on a 4G network. That is, when the total power of the UE is not enough to support simultaneous 5G and 4G services, the 5G service is preferentially guaranteed not to be interrupted by reducing the power when the 4G service is performed.
The power control method provided by the embodiment of the invention is used for controlling the power of the UE in a targeted manner according to whether the non-overlapping uplink time slot exists in the 5G frame structure aiming at the 5G NSA networking mode, thereby solving the technical problem that the low-delay service of the 5G is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, when the non-overlapping uplink timeslots exist in the first frame structure, the power control information includes timeslot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, wherein the first service is a service supported by the preferred network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and preferentially scheduling the non-overlapping uplink time slots to carry out the first service according to the time slot scheduling indication information.
Specifically, the power control method provided in the embodiment of the present invention is similar to the above-mentioned embodiment, and the difference is only that the execution main body is different, and the specific steps are the same as those in the above-mentioned corresponding embodiment, and are not described herein again.
The power control method provided by the embodiment of the invention aims at the situation that the non-overlapping uplink time slots exist in the 5G frame structure in the 5G NSA networking mode, and carries out the 5G service by preferentially scheduling the non-overlapping uplink time slots, thereby solving the technical problem that the 5G low-delay service is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE does not support dynamic power sharing, the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by the non-prioritized network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and stopping the second service according to the second service stop indication information.
Specifically, the power control method provided in the embodiment of the present invention is similar to the above-mentioned embodiment, and the difference is only that the execution main body is different, and the specific steps are the same as those in the above-mentioned corresponding embodiment, and are not described herein again.
The power control method provided by the embodiment of the invention preferentially ensures that the 5G service is not interrupted by closing the 4G service aiming at the condition that the 5G frame structure has no non-overlapping uplink time slot and the UE does not support dynamic power sharing under the 5G NSA networking mode, thereby solving the technical problem that the 5G low-delay service is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE supports dynamic power sharing, the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, where the second service is a service supported by the non-priority network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and reducing the power when the second service is carried out according to the second power reduction indication information.
Specifically, the power control method provided in the embodiment of the present invention is similar to the above-mentioned embodiment, and the difference is only that the execution main body is different, and the specific steps are the same as those in the above-mentioned corresponding embodiment, and are not described herein again.
The power control method provided by the embodiment of the invention preferentially ensures that the 5G service is not interrupted by reducing the power of the 4G service aiming at the condition that the 5G frame structure has no non-overlapping uplink time slot and the UE supports dynamic power sharing under the 5G NSA networking mode, thereby solving the technical problem that the 5G low-delay service is forced to be interrupted when the 4G service occupies the total power of the UE.
Fig. 7 is a schematic diagram of a power control apparatus according to an embodiment of the present invention, and as shown in fig. 7, the power control apparatus according to the embodiment of the present invention includes a determining module 701 and a sending module 702, where:
the determining module 701 is configured to determine whether a non-overlapping uplink timeslot exists in the first frame structure, and determine a determination result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network; a sending module 702 is configured to send power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information.
Embodiments of the present invention provide a power control apparatus, configured to execute the method described in the corresponding embodiment, where specific steps of executing the method described in one embodiment by using the apparatus provided in this embodiment are the same as those in the corresponding embodiment, and are not described herein again.
The power control device provided by the embodiment of the invention controls the power of the UE in a targeted manner according to whether the non-overlapping uplink time slot exists in the 5G frame structure aiming at the 5G NSA networking mode, thereby solving the technical problem that the low-delay service of the 5G is forced to be interrupted when the 4G service occupies the total power of the UE.
Based on any of the above embodiments, the sending module includes a first sending unit;
the first sending unit is configured to send the power control information to the UE if the non-overlapping uplink timeslot exists in the first frame structure, where the power control information includes timeslot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, and the first service is a service supported by the preferred network.
Based on any of the above embodiments, the sending module includes a second sending unit;
the second sending unit is configured to send the power control information to the UE if the non-overlapping uplink timeslot does not exist in the first frame structure and when the UE does not support dynamic power sharing, where the power control information includes second service stop indication information, and the second service stop indication information is used to indicate the UE to stop a second service, where the second service is a service supported by the non-priority network.
Based on any of the above embodiments, the sending module includes a third sending unit;
the third sending unit is configured to send the power control information to the UE if the non-overlapping uplink timeslot does not exist in the first frame structure and when the UE supports dynamic power sharing, where the power control information includes second power reduction indication information, and the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, where the second service is a service supported by the non-priority network.
Fig. 8 is a second schematic diagram of a power control apparatus according to an embodiment of the present invention, and as shown in fig. 8, the embodiment of the present invention provides a power control apparatus including a receiving module 801 and a control module 802, wherein:
the receiving module 801 is configured to receive power control information sent by a network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network; the control module 802 is configured to control its own power based on the power control information.
Embodiments of the present invention provide a power control apparatus, configured to execute the method described in the corresponding embodiment, where specific steps of executing the method described in one embodiment by using the apparatus provided in this embodiment are the same as those in the corresponding embodiment, and are not described herein again.
The power control device provided by the embodiment of the invention controls the power of the UE in a targeted manner according to whether the non-overlapping uplink time slot exists in the 5G frame structure aiming at the 5G NSA networking mode, thereby solving the technical problem that the low-delay service of the 5G is forced to be interrupted when the 4G service occupies the total power of the UE.
According to any of the above embodiments, the control module comprises a first control unit;
when the non-overlapping uplink time slots exist in the first frame structure, the power control information comprises time slot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, wherein the first service is a service supported by the preferred network;
the first control unit is used for preferentially scheduling the non-overlapping uplink time slots to carry out the first service according to the time slot scheduling indication information.
According to any of the above embodiments, the control module comprises a second control unit;
when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE does not support dynamic power sharing, the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by the non-priority network;
the second control unit is configured to stop the second service according to the second service stop indication information.
According to any of the above embodiments, the control module comprises a third control unit;
when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE supports dynamic power sharing, the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by the non-prioritized network;
the third control unit is configured to reduce the power when performing the second service according to the second power reduction indication information.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 9, the electronic device includes: a processor (processor)901, a communication Interface (Communications Interface)902, a memory (memory)903 and a communication bus 904, wherein the processor 901, the communication Interface 902 and the memory 903 are communicated with each other through the communication bus 904. The processor 901 may invoke a computer program stored on the memory 903 and executable on the processor 901 to perform the following steps:
judging whether a non-overlapping uplink time slot exists in the first frame structure, and determining a judgment result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the terminal UE accesses the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network; transmitting power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information.
Or the following steps:
receiving power control information sent by a network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network; controlling own power based on the power control information.
In addition, the logic instructions in the memory 903 may be implemented in a software functional unit and stored in a computer readable storage medium when the logic instructions are sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the 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.
An embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the steps in the above method embodiments, for example, the method includes:
judging whether a non-overlapping uplink time slot exists in the first frame structure, and determining a judgment result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the terminal UE accesses the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network; transmitting power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information.
Or the following steps:
receiving power control information sent by a network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network; controlling own power based on the power control information.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (12)

1. A method of power control, comprising:
judging whether a non-overlapping uplink time slot exists in the first frame structure, and determining a judgment result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the terminal UE accesses the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
transmitting power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information.
2. The power control method according to claim 1, wherein sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink time slots exist in the first frame structure, sending the power control information to the UE, wherein the power control information comprises time slot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, and the first service is a service supported by the preferred network.
3. The power control method according to claim 1, wherein sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink timeslot does not exist in the first frame structure and when the UE does not support dynamic power sharing, sending the power control information to the UE, where the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by the non-priority network.
4. The power control method according to claim 1, wherein sending power control information to the UE based on the determination result specifically includes:
if the non-overlapping uplink timeslot does not exist in the first frame structure and the UE supports dynamic power sharing, sending the power control information to the UE, where the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power when performing a second service, and the second service is a service supported by the non-priority network.
5. A method of power control, comprising:
receiving power control information sent by a network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
controlling own power based on the power control information.
6. The power control method according to claim 5, wherein when the non-overlapping uplink timeslots exist in the first frame structure, the power control information includes timeslot scheduling indication information; the time slot scheduling indication information is used for indicating the UE to preferentially schedule the non-overlapping uplink time slot to perform a first service, wherein the first service is a service supported by the preferred network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and preferentially scheduling the non-overlapping uplink time slots to carry out the first service according to the time slot scheduling indication information.
7. The power control method according to claim 5, wherein when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE does not support dynamic power sharing, the power control information includes second service stop indication information, where the second service stop indication information is used to indicate the UE to stop a second service, and the second service is a service supported by the non-priority network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and stopping the second service according to the second service stop indication information.
8. The power control method according to claim 5, wherein when the non-overlapping uplink timeslot does not exist in the first frame structure and the UE supports dynamic power sharing, the power control information includes second power reduction indication information, where the second power reduction indication information is used to indicate the UE to reduce power for a second service, where the second service is a service supported by the non-prioritized network;
correspondingly, the controlling the self power based on the power control information specifically includes:
and reducing the power when the second service is carried out according to the second power reduction indication information.
9. A power control apparatus, comprising:
the determining module is used for judging whether the first frame structure has non-overlapping uplink time slots or not and determining a judgment result; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
a sending module, configured to send power control information to the UE based on the determination result; to instruct the UE to control its own power based on the power control information.
10. A power control apparatus, comprising:
the receiving module is used for receiving the power control information sent by the network side; the power control information is sent by the network side based on whether non-overlapping uplink time slots exist in a first frame structure; the non-overlapping uplink time slot is a target uplink time slot in the first frame structure, and a corresponding time slot in a second frame structure corresponding to the target uplink time slot in terms of time is a non-uplink time slot; the first frame structure is used when the UE is accessed to the priority network; the second frame structure is a frame structure used when the UE accesses a non-priority network;
and the control module is used for controlling the power of the control module based on the power control information.
11. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the power control method according to any one of claims 1 to 8 when executing the computer program.
12. 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 power control method according to any one of claims 1 to 8.
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