CN113543297B - Uplink power control method and related device - Google Patents
Uplink power control method and related device Download PDFInfo
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- CN113543297B CN113543297B CN202010291654.XA CN202010291654A CN113543297B CN 113543297 B CN113543297 B CN 113543297B CN 202010291654 A CN202010291654 A CN 202010291654A CN 113543297 B CN113543297 B CN 113543297B
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- 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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
Abstract
The application discloses an uplink power control method and a related device, wherein the uplink power control method comprises the following steps: generating an uplink power control instruction, wherein the uplink power control instruction comprises an uplink power control effective time sequence, the uplink power control effective time sequence is used for indicating a time unit for the uplink power control instruction to take effect, and the time unit for the uplink power control instruction to take effect is behind a time unit scheduled by a physical uplink shared channel; and sending an uplink power control instruction to the user equipment. According to the scheme, the effectiveness of uplink data transmission can be improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to an uplink power control method and a related apparatus.
Background
B-PDT (Broadband Professional Digital Trunking) adopts LTE (Long Term Evolution) key processing technology, and is a System designed to meet public safety Broadband requirements, and will gradually form the next generation PDT industrial standard.
In B-PDT, a Physical Uplink Shared Channel (PUSCH) and a Physical Uplink Control Channel (PUCCH) are simultaneously transmitted and share an Uplink power resource. Therefore, it is necessary to reasonably control the uplink power and improve the effectiveness of uplink data transmission.
Disclosure of Invention
The present application mainly solves the technical problem of providing an uplink power control method and a related apparatus, which can improve the effectiveness of uplink data transmission.
In order to solve the above problem, a first aspect of the present application provides an uplink power control method, including: generating an uplink power control instruction, wherein the uplink power control instruction comprises an uplink power control effective time sequence, the uplink power control effective time sequence is used for indicating a time unit for the uplink power control instruction to take effect, and the time unit for the uplink power control instruction to take effect is behind a time unit scheduled by a physical uplink shared channel; and sending an uplink power control instruction to the user equipment.
In order to solve the above problem, a second aspect of the present application provides an uplink power control method, including: receiving an uplink power control instruction, wherein the uplink power control instruction comprises an uplink power control effective time sequence, the uplink power control effective time sequence is used for indicating a time unit for the uplink power control instruction to take effect, and the time unit for the uplink power control instruction to take effect is behind a time unit scheduled by a physical uplink shared channel; and executing the uplink power control command in the effective time unit of the uplink power control command.
In order to solve the above problem, a third aspect of the present application provides a communication apparatus, which includes a processor, and a communication circuit and a memory coupled to the processor, wherein the processor, the communication circuit, and the memory are operable to implement the uplink power control method in the first aspect, or to implement the uplink power control method in the second aspect.
In order to solve the above problem, a fourth aspect of the present application provides a storage device, which stores program instructions executable by a processor, where the program instructions are used to implement the uplink power control method in the first aspect or implement the uplink power control method in the second aspect.
The beneficial effect of this application is: different from the situation in the prior art, in the uplink power control method provided by the present application, the uplink power control instruction is generated and sent to the ue, so as to control the uplink power, specifically, the uplink power control instruction includes an uplink power control validation timing, where the uplink power control validation timing is used to indicate a time unit in which the uplink power control instruction is validated, and the time unit in which the uplink power control instruction is validated is after a time unit scheduled by the physical uplink shared channel, so that the ue can execute the uplink power control instruction in the time unit in which the uplink power control instruction is validated, thereby implementing accurate control on the uplink power and improving the effectiveness of uplink data transmission.
Drawings
In order to more clearly illustrate the technical solutions in the present application, the drawings required in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a flowchart illustrating an embodiment of an uplink power control method according to the present application;
FIG. 2 is a schematic diagram of an embodiment of a B-PDT frame structure;
fig. 3 is a flowchart illustrating another embodiment of an uplink power control method according to the present application;
FIG. 4 is a block diagram of an embodiment of a communication device of the present application;
FIG. 5 is a block diagram of another embodiment of the communications apparatus of the present application;
FIG. 6 is a block diagram of an embodiment of a storage device of the present application.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flowchart illustrating an uplink power control method according to an embodiment of the present application. Specifically, the steps in this embodiment are applied to the base station side, and may include the following steps:
step S11: and generating an uplink power control instruction, wherein the uplink power control instruction comprises an uplink power control effective time sequence, the uplink power control effective time sequence is used for indicating a time unit for the uplink power control instruction to take effect, and the time unit for the uplink power control instruction to take effect is behind a time unit scheduled by the physical uplink shared channel.
In this embodiment, the base station side generates an uplink power control instruction and sends the uplink power control instruction to the user equipment, so that the user equipment receives and executes the uplink power control instruction. The user equipment in this embodiment includes but is not limited to: a mobile station and a vehicle-mounted station.
In this embodiment, the time unit in which the uplink power control instruction takes effect is after the time unit that has been scheduled (i.e., has taken effect) by the Physical Uplink Shared Channel (PUSCH), so that when the time unit in which the uplink power control instruction takes effect is scheduled, the uplink power can be controlled according to the uplink power control instruction. Specifically, the uplink power control command may be specifically used to adjust the transmission power of a Physical Uplink Control Channel (PUCCH). For a Physical Uplink Control Channel (PUCCH) and a Physical Uplink Shared Channel (PUSCH), a base station side controls transmission power of the two channels according to a certain convergence target, so as to achieve a channel quality convergence target. In a specific implementation scenario, the uplink power Control instruction may be carried in a Downlink Control Information (DCI) for Downlink scheduling, so that the ue receives the uplink power Control instruction in a Downlink manner, and analyzes an uplink power Control validation timing therein, and then executes the uplink power Control instruction according to a time unit in which the uplink power Control instruction is validated, which is indicated by the uplink power Control validation timing.
Referring to fig. 2, fig. 2 is a schematic diagram of an embodiment of a B-PDT frame structure, as shown in fig. 2, T0 to T9 respectively correspond to a subframe, and together form a complete frame, in this embodiment, the ratio of uplink subframe time to downlink subframe time is 1, that is: t0 to T1, T5 to T6 correspond to downlink subframes, T2 to T4, and T7 to T9 correspond to uplink subframes, in other implementation scenarios, the uplink subframes may also adopt other time ratios to form a complete frame, for example, the time ratio of the uplink subframe to the downlink subframe is 0, that is: t0 and T5 correspond to downlink subframes, T1 to T4, and T6 to T9 correspond to uplink subframes, which is not specifically limited herein. Specifically, the uplink subframe carries the Physical Uplink Control Channel (PUCCH) and the Physical Uplink Shared Channel (PUSCH). In a specific implementation scenario, T2 is an uplink subframe including a GP symbol (DU handover reservation symbol), and PUCCH cannot be transmitted.
In an implementation scenario, in order to implement accurate control on uplink power, a first effective time difference may be calculated, where the first effective time difference is after a time unit scheduled by a physical uplink shared channel, the first effective time difference is used as an uplink power control effective timing, and otherwise, a second effective time difference is used as an uplink power control effective timing, where the second effective time difference is greater than the first effective time difference. The first effective time difference and the second effective time difference are time differences between a time unit when the uplink power control instruction is sent and a time unit when the uplink power control instruction takes effect, so the time unit when the uplink power control instruction generated by the current time unit takes effect can be calculated through the first effective time difference and the second effective time difference, for example, when the uplink power control instruction is generated in the current time unit T5 and the adopted effective time difference is 4, the time unit when the uplink power control instruction takes effect is T9, and the time unit when the uplink power control instruction takes effect can be accurately controlled by setting the first effective time difference and the second effective time difference. In a specific implementation scenario, the first effective time difference may be a default effective time difference used by the base station side when generating the uplink power control instruction, and the second effective time difference may be an adjusted effective time difference used by the base station side when generating the uplink power control instruction, which may specifically refer to tables 1 and 2, where table 1 is a first effective time difference table, and table 2 is a second effective time difference table:
TABLE 1 first chronogenesis table
TABLE 2 second effective hour difference table
Referring to fig. 2, taking an example with the uplink subframe time ratio being 1, corresponding to scheduling at time T9, the downlink subframe may be processed and issued at time T1, and the power prediction of the relevant PUSCH may be determined at time T1, if an uplink power control instruction is generated at time T5, a first lifetime time unit may be calculated by using a first lifetime difference, an uplink power control timing is a difference between a time unit in which the uplink power control instruction takes effect and a time unit in which the uplink power control instruction is transmitted, and accordingly, a sum of the first lifetime time difference and the time unit in which the uplink power control instruction is transmitted may be calculated, and a first lifetime time unit of 4+5=9 is obtained, that is, the first lifetime time unit is time T9, since T9 is scheduled, if the time T9 is taken as the time unit for the power control of the Physical Uplink Control Channel (PUCCH) to take effect, the power of the Physical Uplink Shared Channel (PUSCH) estimated at the time T1 may be invalid, and further the transmission of the Physical Uplink Shared Channel (PUSCH) at the time T9 may be wasted, to avoid this situation, a second time difference of taking effect greater than the first time difference of taking effect may be taken as the uplink power control timing sequence, for example, "8" is taken as the uplink power control timing sequence at this time, and accordingly, the time unit for the uplink power control command to take effect may be calculated as 8+5 + 13, which has exceeded one frame length (i.e., 10 time units), i.e., takes effect in the next frame, and since T2 cannot transmit the PUCCH, the time unit takes effect at the time T3 of the next frame, thereby effectively ensuring the effectiveness of uplink data transmission. When the uplink and downlink subframe time ratio is other values, the same can be said, and this embodiment is not illustrated here.
In another implementation scenario, in order to implement accurate control on uplink power, it may further determine an effective uplink power control time sequence included in the uplink power control instruction according to whether the uplink power control instruction is a power up instruction or a power down instruction. Specifically, the first validity time difference may be first calculated by using the first validity time difference, if the first validity time unit is not scheduled, the first validity time difference is used as the uplink power control timing, if the first validity time unit is after the time unit that has been scheduled by the physical uplink shared channel and the uplink power control instruction is the power down instruction, the first validity time difference is still used as the uplink power control timing, and if the first validity time unit is after the time unit that has been scheduled by the physical uplink shared channel and the uplink power control instruction is the power up instruction, the second validity time difference that is greater than the first validity time difference is used as the uplink power control validity timing. The first effective moveout and the second effective moveout in the present implementation scenario may refer to the foregoing tables, that is, the first effective moveout may be 4, and the second effective moveout may be 6 or 8.
Referring to fig. 2 in combination with table 1 and table 2 above, still taking an example with the uplink and downlink subframe time ratio being 1, corresponding to scheduling at time T9, a downlink may be processed at time T1, and a power estimate of a related PUSCH may be determined at time T1, when an uplink power control instruction is generated at time T5, a first validity time unit may be calculated by using a first validity time difference, where an uplink power control validity timing is a difference between a time unit in which the uplink power control instruction is valid and a time unit in which the uplink power control instruction is transmitted, and accordingly, a first validity time unit of 4+5=9 may be calculated, that is, the first validity time unit is time T9, and since T9 is scheduled, if time T9 is taken as a time unit in which Physical Uplink Control Channel (PUCCH) power control is valid, the estimated power of the Physical Uplink Shared Channel (PUSCH) may be invalid at time T1, further, the transmission of the Physical Uplink Shared Channel (PUSCH) at time T9 may be wasted, and in order to avoid this situation, it may be further determined whether the uplink power control command is a power up command or a power down command, if the power down command is a power down command, the power of the Physical Uplink Control Channel (PUCCH) at time T9 is down-regulated, and there is almost no influence on the power of the Physical Uplink Shared Channel (PUSCH) estimated at time T1, the first effective time difference may still be used as the uplink power control effective timing, otherwise, if the power up command is a power up command, the power of the Physical Uplink Shared Channel (PUSCH) estimated at time T1 is invalid, the second effective time difference larger than the first effective time difference may be used as the uplink power control timing, for example, "8" is used as the uplink power control timing at this time, accordingly, the time unit for the uplink power control command to take effect is 8+5=13, which has exceeded one frame length (i.e. 10 time units), i.e. takes effect in the next frame, and since T2 cannot transmit PUCCH, it takes effect at time T3 of the next frame, thereby effectively ensuring the effectiveness of uplink data transmission. When the uplink and downlink subframe time ratio is other values, the same can be said, and this embodiment is not illustrated here.
In addition, in a specific implementation scenario, the first effective time difference and the second effective time difference may be configured and stored locally at the base station side, and the base station side may indicate the effective time sequence of uplink power control through DCI, for example, setting TPCDelayIndex in the DCI to 1 indicates that the second effective time difference is adopted; or setting the TPCDelayIndex in the DCI to be 0, indicating that the first lifetime difference is adopted.
Step S12: and sending an uplink power control instruction to the user equipment.
And after generating the uplink power control instruction, the base station side sends the uplink power control instruction to the user equipment, so that the user equipment executes the uplink power control instruction in a time unit in which the uplink power control instruction takes effect.
In the above solution, the uplink power control instruction is generated and sent to the ue, so as to control the uplink power, and specifically, the uplink power control instruction includes an uplink power control validation timing sequence, where the uplink power control validation timing sequence is used to indicate a time unit in which the uplink power control instruction is validated, and the time unit in which the uplink power control instruction is validated is after a time unit scheduled by the physical uplink shared channel, so that the ue can execute the uplink power control instruction in the time unit in which the uplink power control instruction is validated, thereby implementing accurate control on the uplink power, and improving the effectiveness of uplink data transmission.
Referring to fig. 3, fig. 3 is a flowchart illustrating an uplink power control method according to another embodiment of the present application. Specifically, the steps in this embodiment are applied to the user equipment, and may include the following steps:
step S31: and receiving an uplink power control instruction, wherein the uplink power control instruction comprises an uplink power control effective time sequence, the uplink power control effective time sequence is used for indicating a time unit in which the uplink power control instruction takes effect, and the time unit in which the uplink power control instruction takes effect is behind a time unit which is scheduled by the physical uplink shared channel.
In this embodiment, the ue receives the uplink power control command generated by the base station, so that the ue receives and executes the uplink power control command. The user equipment in this embodiment includes but is not limited to: a mobile station and a vehicle-mounted station.
In this embodiment, the time unit in which the uplink power control instruction takes effect is after the time unit scheduled by the physical uplink shared channel, so that when the time unit in which the uplink power control instruction takes effect is scheduled, the uplink power can be controlled according to the uplink power control instruction. Specifically, the uplink power control command may be specifically used to adjust the transmission power of a Physical Uplink Control Channel (PUCCH). For a Physical Uplink Control Channel (PUCCH) and a Physical Uplink Shared Channel (PUSCH), a base station side controls transmission power of the two channels according to a certain convergence target, so as to achieve a channel quality convergence target. In a specific implementation scenario, the uplink power Control instruction may be carried in a Downlink Control Information (DCI) for Downlink scheduling, so that the ue receives the uplink power Control instruction in a Downlink manner, and analyzes an uplink power Control validation timing therein, and then executes the uplink power Control instruction according to a time unit in which the uplink power Control instruction is validated, which is indicated by the uplink power Control validation timing.
Referring to fig. 2, fig. 2 is a schematic diagram of an embodiment of a B-PDT frame structure, as shown in fig. 2, T0 to T9 respectively correspond to a subframe, and together form a complete frame, in this embodiment, the ratio of uplink subframe time to downlink subframe time is 1, that is: t0 to T1, T5 to T6 correspond to downlink subframes, T2 to T4, and T7 to T9 correspond to uplink subframes, in other implementation scenarios, the uplink subframes may also adopt other time ratios to form a complete frame, for example, the time ratio of the uplink subframe to the downlink subframe is 0, that is: t0 and T5 correspond to downlink subframes, T1 to T4, and T6 to T9 correspond to uplink subframes, which is not specifically limited herein. Specifically, the uplink subframe carries the Physical Uplink Control Channel (PUCCH) and the Physical Uplink Shared Channel (PUSCH). In a specific implementation scenario, T2 is an uplink subframe including a GP symbol (DU handover reservation symbol), and PUCCH cannot be transmitted.
Step S32: and executing the uplink power control command in the time unit of the effective uplink power control command.
Referring to fig. 2, and tables 1 and 2, taking the uplink subframe time ratio as 1 for example, corresponding to scheduling at time T9, the base station side may process the transmission at time T1, and the power prediction of the relevant PUSCH may be determined at time T1, when generating the uplink power control command at time T5, first calculating a first effective time unit using a first effective time difference, where the uplink power control effective timing is a difference between a time unit in which the uplink power control command is effective and a time unit in which the uplink power control command is transmitted, and accordingly, calculating a first effective time unit of 4+5=9, that is, the first effective time unit is time T9, since T9 is scheduled and the uplink power control command is a power up command, the estimated Physical Uplink Shared Channel (PUSCH) power at time T1 may be caused, and therefore, the base station side may use a second effective time difference larger than the first effective time as the uplink power timing control, for example, timing "8" is used as the uplink power control timing, and the uplink power control command may be executed correspondingly at time T3, that the uplink power control unit is invalid at time T3, and the uplink power control command may be executed at time T3, that is a next effective time, that is a physical uplink power control frame, that is not effective. And the same can be said for other time units when the uplink power control command is effective, and this embodiment is not illustrated here.
According to the scheme, the uplink power control instruction is received, so that control of uplink power is achieved, specifically, the uplink power control instruction comprises an uplink power control validation time sequence, the uplink power control validation time sequence is used for indicating a time unit for validating the uplink power control instruction, and the time unit for validating the uplink power control instruction is behind a time unit scheduled by a physical uplink shared channel, so that user equipment can execute the uplink power control instruction in the time unit for validating the uplink power control instruction, accurate control of the uplink power is achieved, and effectiveness of uplink data transmission is improved.
Referring to fig. 4, fig. 4 is a block diagram of a communication device 40 according to an embodiment of the present application. The communication device 40 includes a processor 41, and a communication circuit 42 and a memory 43 coupled to the processor 41, and the processor 41, the communication circuit 42 and the memory 43 are operable to implement the steps in the embodiment of the uplink power control method applied to the base station side.
The processor 41 is configured to control the communication circuit 42, the memory 43 and itself to implement the steps in the above-described embodiment of the uplink power control method applied to the base station side. Processor 41 may also be referred to as a CPU (Central Processing Unit). The processor 41 may be an integrated circuit chip having signal processing capabilities. The Processor 41 may also be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. In addition, processor 41 may be implemented collectively by a plurality of integrated circuit chips.
In this embodiment, the processor 41 is configured to generate an uplink power control instruction, where the uplink power control instruction includes an uplink power control validation timing, the uplink power control validation timing is used to indicate a time unit in which the uplink power control instruction takes effect, and after the time unit in which the uplink power control instruction takes effect is scheduled by the physical uplink shared channel, the processor 41 is further configured to control the communication circuit 42 to send the uplink power control instruction to the user equipment. In one implementation scenario, the uplink power control command is used to adjust the transmit power of the physical uplink control channel. In one implementation scenario, the uplink power control validation timing is the difference between the time unit in which the uplink power control command is validated and the time unit in which the uplink power control command is transmitted.
In the above solution, the uplink power control instruction is generated and sent to the ue, so as to control the uplink power, and specifically, the uplink power control instruction includes an uplink power control validation timing sequence, where the uplink power control validation timing sequence is used to indicate a time unit in which the uplink power control instruction is validated, and the time unit in which the uplink power control instruction is validated is after a time unit scheduled by the physical uplink shared channel, so that the ue can execute the uplink power control instruction in the time unit in which the uplink power control instruction is validated, thereby implementing accurate control on the uplink power, and improving the effectiveness of uplink data transmission.
In some embodiments, the processor 41 is further configured to calculate a first lifetime unit using the first lifetime difference, the processor 41 is further configured to determine whether the first lifetime unit is after a time unit that has been scheduled by the physical uplink shared channel, the processor 41 is further configured to use the first lifetime difference as the uplink power control validation timing when it is determined that the first lifetime unit is not scheduled uplink, and the processor 41 is further configured to use a second lifetime difference as the uplink power control validation timing when it is determined that the first lifetime unit is scheduled uplink, where the second validation difference is greater than the first lifetime difference. In one implementation scenario, the first effective moveout is 4 and the second effective moveout is 6 or 8. In a specific implementation scenario, the processor 41 is further configured to calculate a sum of the first lifetime difference and a time unit when the uplink power control command is sent, as the first lifetime time unit.
Referring to fig. 5, fig. 5 is a schematic block diagram of a communication device 50 according to an embodiment of the present application. The communication device 50 comprises a processor 51, and a communication circuit 52 and a memory 53 coupled to the processor 51, wherein the processor 51, the communication circuit 52 and the memory 53 are operable to implement the steps in the embodiment of the uplink power control method applied to the user equipment.
The processor 51 is configured to control the communication circuit 52, the memory 53 and itself to implement the steps in the above-described uplink power control method embodiment applied to the user equipment. The processor 51 may also be referred to as a CPU (Central Processing Unit). The processor 51 may be an integrated circuit chip having signal processing capabilities. The Processor 51 may also be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. In addition, the processor 51 may be commonly implemented by a plurality of integrated circuit chips.
In this embodiment, the processor 51 is configured to control the communication circuit 52 to receive an uplink power control instruction, where the uplink power control instruction includes an uplink power control validation timing, the uplink power control validation timing is used to indicate a time unit in which the uplink power control instruction takes effect, and the processor 51 is further configured to control the communication circuit 52 and itself to execute the uplink power control instruction in the time unit in which the uplink power control instruction takes effect after the time unit in which the uplink power control instruction takes effect is scheduled by the physical uplink shared channel. In one implementation scenario, the uplink power control command is used to adjust the transmit power of the physical uplink control channel.
According to the scheme, the uplink power control instruction is received, so that control of uplink power is achieved, specifically, the uplink power control instruction comprises an uplink power control validation time sequence, the uplink power control validation time sequence is used for indicating a time unit for validating the uplink power control instruction, and the time unit for validating the uplink power control instruction is behind a time unit scheduled by a physical uplink shared channel, so that user equipment can execute the uplink power control instruction in the time unit for validating the uplink power control instruction, accurate control of the uplink power is achieved, and effectiveness of uplink data transmission is improved.
Referring to fig. 6, fig. 6 is a schematic diagram of a memory device 60 according to an embodiment of the present application. The storage means 60 stores program instructions 61 executable by the processor, and the program instructions 61 are used for implementing the steps in any of the above embodiments of the uplink power control method.
By the scheme, the user equipment can execute the uplink power control command in the time unit when the uplink power control command takes effect, so that the uplink power can be accurately controlled, and the effectiveness of uplink data transmission is improved.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a module or a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some interfaces, and may be in an electrical, mechanical or other form.
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 units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in 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, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Claims (8)
1. An uplink power control method, comprising:
generating an uplink power control instruction, wherein the uplink power control instruction comprises an uplink power control validation timing, the uplink power control validation timing is used for indicating a time unit for the uplink power control instruction to take effect, and the time unit for the uplink power control instruction to take effect is behind a time unit scheduled by a physical uplink shared channel;
sending the uplink power control instruction to user equipment;
wherein the generating the uplink power control command comprises:
calculating the sum of the first lifetime time difference and the time unit when the uplink power control command is sent as a first lifetime time unit;
if the first effective time unit is behind the time unit scheduled by the physical uplink shared channel, taking the first effective time difference as the effective time sequence of the uplink power control; and otherwise, adopting a second effective time difference as the effective time sequence of the uplink power control, wherein the second effective time difference is larger than the first effective time difference.
2. The method of claim 1,
and the uplink power control instruction is used for adjusting the transmitting power of the physical uplink control channel.
3. The method of claim 1,
the effective time sequence of the uplink power control is the difference between the time unit of the effective uplink power control instruction and the time unit of the emission of the uplink power control instruction.
4. The method of claim 1,
the first effective time difference is 4, and the second effective time difference is 6 or 8.
5. An uplink power control method, comprising:
receiving an uplink power control instruction, wherein the uplink power control instruction comprises an uplink power control validation timing sequence, the uplink power control validation timing sequence is used for indicating a time unit for validating the uplink power control instruction, the time unit for validating the uplink power control instruction is after a time unit scheduled by a physical uplink shared channel, when the uplink power control instruction is generated, the sum of a first validity time difference and the time unit when the uplink power control instruction is sent is calculated to be used as a first validity time unit, and if the first validity time unit is after the time unit scheduled by the physical uplink shared channel, the first validity time difference is used as the uplink power control validation timing sequence; otherwise, a second effective time difference is adopted as the effective time sequence of the uplink power control, wherein the second effective time difference is larger than the first effective time difference;
and executing the uplink power control command in the time unit of the effective uplink power control command.
6. The method of claim 5,
the uplink power control instruction is used for adjusting the transmitting power of the physical uplink control channel.
7. A communications device comprising a processor, and communications circuitry and a memory coupled to the processor, wherein the processor, the communications circuitry, and the memory are operable to implement the uplink power control method of any of claims 1 to 4, or to implement the uplink power control method of any of claims 5 to 6.
8. A memory device storing program instructions executable by a processor to implement the uplink power control method of any one of claims 1 to 4 or to implement the uplink power control method of any one of claims 5 to 6.
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| CN104105188A (en) * | 2013-04-12 | 2014-10-15 | 北京三星通信技术研究有限公司 | Uplink power control method in multi-subframe scheduling |
| CN105359422A (en) * | 2014-02-14 | 2016-02-24 | 华为技术有限公司 | Preamble sending method, power control method, terminal, and device |
| CN109219120A (en) * | 2017-07-03 | 2019-01-15 | 北京三星通信技术研究有限公司 | A kind of method and apparatus of uplink power control |
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| JP3286247B2 (en) * | 1998-05-08 | 2002-05-27 | 松下電器産業株式会社 | Wireless communication system |
| US9763197B2 (en) * | 2009-10-05 | 2017-09-12 | Qualcomm Incorporated | Component carrier power control in multi-carrier wireless network |
| CN102573030B (en) * | 2011-12-08 | 2014-11-05 | 电信科学技术研究院 | Uplink power control method and device |
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| CN103108384A (en) * | 2011-11-09 | 2013-05-15 | 华为技术有限公司 | Method of obtaining dispatching information and control method and device of obtaining dispatching information |
| CN104105188A (en) * | 2013-04-12 | 2014-10-15 | 北京三星通信技术研究有限公司 | Uplink power control method in multi-subframe scheduling |
| CN105359422A (en) * | 2014-02-14 | 2016-02-24 | 华为技术有限公司 | Preamble sending method, power control method, terminal, and device |
| CN109219120A (en) * | 2017-07-03 | 2019-01-15 | 北京三星通信技术研究有限公司 | A kind of method and apparatus of uplink power control |
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