CN108811061B - Uplink transmission power control method and terminal - Google Patents
Uplink transmission power control method and terminal Download PDFInfo
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- CN108811061B CN108811061B CN201710297611.0A CN201710297611A CN108811061B CN 108811061 B CN108811061 B CN 108811061B CN 201710297611 A CN201710297611 A CN 201710297611A CN 108811061 B CN108811061 B CN 108811061B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/225—Calculation of statistics, e.g. average, variance
Abstract
The embodiment of the invention provides an uplink transmission power control method and a terminal, wherein the method comprises the following steps: after the UE fails to send the first system information request, determining the additionally increased uplink sending power; and determining second uplink transmission power for transmitting a second system information request according to the first uplink transmission power for transmitting the first system information request and the additionally increased uplink transmission power. After the UE fails to send the system information request, the success rate of sending the system information request is improved by improving the uplink sending power of the system information request.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a terminal for controlling uplink transmit power.
Background
The network side may configure the UE (terminal) to directly request system information (e.g., system information related to MBMS (multimedia broadcast multicast service) service reception) to be transmitted through an uplink channel (e.g., a random access channel). And when the UE needs to receive the relevant system information, sending the relevant request information according to the configuration of the network side. And after receiving the request information of the UE, the network side sends the system information requested by the UE to the UE.
If the UE does not receive the system information sent by the network side after sending the system information request, the subsequent processing of the UE may be affected, however, the UE side in the prior art lacks a technical solution capable of ensuring the success rate of sending the system information request.
Disclosure of Invention
The embodiment of the invention provides an uplink transmission power control method and a terminal, aiming at solving the technical problem that a UE side cannot ensure the transmission success rate of a system information request.
In a first aspect of the embodiments of the present invention, a method for controlling uplink transmit power is provided, which is applied to a UE, and includes:
determining an additionally increased uplink transmission power after a failure of transmitting the first system information request;
and determining second uplink transmission power for transmitting a second system information request according to the first uplink transmission power for transmitting the first system information request and the additionally increased uplink transmission power.
In a second aspect of the embodiments of the present invention, there is provided a terminal, including:
a first determining module, configured to determine, after a failure in sending the first system information request, an additionally increased uplink transmission power;
and the second determining module is used for determining second uplink transmitting power for transmitting a second system information request according to the first uplink transmitting power for transmitting the first system information request and the additionally increased uplink transmitting power.
One of the above technical solutions has the following advantages or beneficial effects: after the UE fails to send the system information request, the success rate of sending the system information request is improved by improving the uplink sending power of the system information request.
Drawings
Fig. 1 is a flowchart of an uplink transmit power control method according to an embodiment of the present invention;
fig. 2 is a flowchart of an uplink transmit power control method according to another embodiment of the present invention;
fig. 3 is a flowchart of an uplink transmit power control method according to another embodiment of the present invention;
fig. 4 is a flowchart of an uplink transmission power control method according to another embodiment of the present invention;
fig. 5 is a flowchart of an uplink transmission power control method according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a terminal in another embodiment of the present invention;
fig. 8 is a schematic structural diagram of a terminal in another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a terminal in another embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1, a flow of an uplink transmission power control method in an embodiment of the present invention is shown in the drawing, where an execution main body of the method may be a terminal, for example: a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or the like. The method comprises the following specific steps:
It should be noted that the first system information request and the second system information request may be referred to as a last system information request and a next system information request.
In this embodiment, after the UE fails to send the system information request, the uplink transmission power of the system information request may be increased to increase the success rate of sending the system information request.
Referring to fig. 2, a flow of an uplink transmission power control method in another embodiment of the present invention is shown, and the specific steps are as follows:
optionally, the UE determines the additional increased uplink transmission power according to the following formula:
the additional uplink transmission power is equal to the first count value × the power value for each increase of the uplink transmission power ramp. Alternatively, the power value of each increase of the uplink transmission power ramp may be set to 2dB, but is not limited thereto.
The first count value is calculated by an uplink transmission power climbing counter based on a second count value in the uplink transmission power climbing counter and a preset value;
the second count value is an initial value of an uplink transmission power ramp-up counter, or a count value counted by the uplink transmission power ramp-up counter before the first system information request is transmitted.
The initial value of the uplink transmission power ramp-up counter may be set to 1, but is not limited thereto.
In this embodiment, optionally, the method further includes: the UE judges whether the count value in the uplink transmission power climbing counter is larger than or equal to the maximum value of the uplink transmission power climbing counter; if so, the UE controls the uplink transmission power climbing counter to keep the second count value unchanged; and if the count value in the uplink transmission power climbing counter is smaller than the maximum value of the uplink transmission power climbing counter, entering a step that the UE controls the uplink transmission power climbing counter to count the failure times of the first system information request to obtain a first count value. Alternatively, the maximum value of the uplink transmission power ramp-up counter may be set to 5, but is not limited thereto.
In this embodiment, optionally, the method further includes:
if the number of times of the UE system information request transmission failure exceeds the preset number of times, or the UE accesses a new cell, or the cell access prohibition timer of the UE is overtime, the UE resets the uplink transmission power climbing counter. For example, the UE resets the uplink transmission power ramp-up counter to an initial value of the uplink transmission power ramp-up counter.
In this embodiment, at least one of the following is configured by the network or agreed upon by the protocol: the initial value of the ascending transmission power climbing counter; and the uplink transmission power climbs the maximum value of the counter.
In this embodiment, after the UE fails to send the system information request, the uplink transmission power of the system information request may be increased to increase the success rate of sending the system information request.
Referring to fig. 3, a flow of an uplink transmission power control method in another embodiment of the present invention is shown, and the specific steps are as follows:
for example: the power value of each increase of the uplink transmission power ramp may be set to 2dB, but is not limited thereto.
In this embodiment, optionally, the method shown in fig. 3 further includes: the UE judges whether a first uplink transmission power for sending a first system information request is smaller than or equal to a maximum value of the uplink transmission power which is configured in advance and/or whether an accumulated value of power values of the uplink transmission power climbing for each increase is smaller than or equal to a maximum power value of the uplink power climbing; if so, step 301 in fig. 3 is performed, i.e., the step of the UE determining the additionally increased uplink transmission power is performed. Optionally, the maximum value of the uplink transmission power is 20dB, the power value of each increment of the uplink transmission power ramp is 2dB, and the maximum power value of the uplink power ramp is 10dB, which is not limited to this.
In this embodiment, if the number of times of the transmission failure of the system information request of the UE exceeds a predetermined number of times, or if the UE accesses a new cell, or if the cell barring timer of the UE is overtime, the UE resets the uplink transmission power value to an initial value.
In this embodiment, at least one of the following is configured by the network or agreed upon by the protocol: the power value of each increase of the uplink transmission power climbing; the maximum power value of ascending transmission power climbing; and a maximum value of the uplink transmission power.
In another embodiment of the present invention, after the UE determines that an On-demand SI (On-demand system information) request fails, the count value of the uplink transmission power ramp-up counter is increased by a preset value (for example, the preset value is 1), and when the On-demand SI request is sent again, the uplink transmission power is additionally increased, where the additionally increased uplink transmission power is (the count value is multiplied by the power value of each increase of the uplink transmission power ramp-up).
And when the UE judges that the On-demand SI request of the cell fails, the UE resets the count value of the uplink transmission power climbing counter to the initial value of the uplink transmission power climbing counter.
It should be noted that the On-demand SI request is independent for each cell. If the UE requests the On-demand SI request 1 time fails, only a single On-demand SI request fails, and the UE can send the On-demand SI request again. If the UE fails to send the On-demand SI request for multiple times, it is determined that the On-demand SI request for the corresponding cell fails, and the UE may select a new cell or consider that the cell cannot be accessed temporarily (i.e., start the prohibit access timer).
In this embodiment, the initial value of the up power ramp-up counter and/or the maximum value of the up power ramp-up counter for On-demand SI requests is agreed upon by network configuration or protocol.
Referring to fig. 4, a flow of an uplink transmission power control method in another embodiment of the present invention is shown, and the specific steps are as follows:
step 401: if the On-demand SI request transmission fails, the UE judges whether the count value of the uplink transmission power climbing counter is larger than or equal to the maximum value of the uplink transmission power climbing counter, if so, the step 404 is entered; otherwise, step 402 is entered.
Step 402: the UE increments the count value of the uplink transmission power ramp-up counter by 1.
That is, SI _ REQ _ COUNTER +1 indicates the count value of the uplink transmission power up COUNTER.
The initial value of the up power ramp-up counter and/or the maximum value of the up power ramp-up counter is agreed upon by the network configuration or protocol.
For example, the uplink power related information of the On-demand SI request configured by the network side includes:
an initial value of the uplink power ramp counter (e.g., indialcounter-1);
maximum value of the up power ramp counter (e.g., maxCounter-5);
the power value for each increment of the uplink power ramp (e.g., powerRampingStep ═ 2 dB).
Step 403: when the UE sends the On-demand SI request next time, the extra increased power value is the product of the count value of the uplink transmission power climbing counter and the power value increased each time the uplink transmission power climbs.
That is, the additionally increased power value is equal to SI _ REQ _ COUNTER × powerRampingStep.
Step 404: the UE controls the count value of the uplink transmission power climbing counter not to increase any more.
And the UE judges that the On-demand SI request information is failed to be sent each time, and repeats the steps 301 and 302 until the count value of the uplink transmission power climbing counter is greater than or equal to the maximum value of the uplink transmission power climbing counter, and the count value of the uplink transmission power climbing counter is not increased any more.
In this embodiment, if the UE determines that the On-demand SI request information transmission for the corresponding cell fails, the UE needs to reset the uplink transmit power ramp-up counter to an initial value.
It should be noted that the configuration of the uplink transmit power ramp-up counter may be: configured per cell or configured per SI request.
In another embodiment of the present invention, after the UE determines that an On-demand SI request fails, the UE adds the power value of each increase of the uplink power ramp according to the transmission power configured On the last On-demand SI request when sending the On-demand SI request again.
And when the UE judges that the On-demand SI request in the cell fails, the UE resets the uplink power of the On-demand SI request to an initial value.
The power value of each increment of the uplink power climbing for the On-demand SI request, the maximum power value of the uplink power climbing for the On-demand SI request and/or the maximum value of the uplink transmission power are agreed by network configuration or protocols.
In this embodiment, after the UE fails to send the On-demand SI request, the success rate of sending the On-demand SI request can be increased by increasing the uplink sending power of the On-demand SI request.
Referring to fig. 5, a flow of an uplink transmission power control method in another embodiment of the present invention is shown, and the specific steps are as follows:
step 501: after the UE sends the On-demand SI request, the UE judges that the On-demand SI request fails to be sent, the UE judges whether the uplink sending power for sending the On-demand SI request is smaller than or equal to the maximum value of the uplink sending power or whether the UE judges the accumulated value of the power value of each increase of the uplink sending power climbing is smaller than or equal to the maximum power value of the uplink power climbing, if so, the steps 402 and 403 are executed; otherwise, ending the flow.
Step 502: the UE calculates the uplink transmission power for sending the On-demand SI request next time as follows: the uplink transmission power requested by the last transmitted On-demand SI plus the power value increased each time the uplink power climbs.
That is, P (i +1) ═ P (i) + powerRampingStep, where
P (i +1) represents the uplink transmission power for sending the On-demand SI request next time;
p (i) represents the uplink transmission power of the last On-demand SI transmission;
optionally, the uplink power related information of the On-demand SI request configured by the network side includes:
the power value of each increment of the ascending transmission power climbing (such as powerRampingStep being 2 dB).
The maximum power value of the uplink transmission power ramp (e.g., maxPowerRampingStep ═ 10 dB).
The maximum value of the uplink transmission power (e.g., maxReqPower ═ 20 dBm).
Step 503: and when the UE sends the On-demand SI request next time, the UE sends the On-demand SI request next time according to the uplink sending power.
In this embodiment, if the UE determines that the On-demand SI request information transmission for the corresponding cell fails, the UE needs to reset the uplink transmission power value to an initial value.
Based on the same inventive concept, the embodiment of the present invention further provides a terminal, and since the principle of the terminal for solving the problem is similar to the uplink transmission power control method in the embodiment of the present invention, the implementation of the base station may refer to the implementation of the method, and the repeated parts are not described again.
Referring to fig. 6, which shows the structure of a terminal in one embodiment of the present invention, the terminal 600 includes:
a first determining module 601, configured to determine, after a terminal fails to send a first system information request, an additionally increased uplink transmission power;
a second determining module 602, configured to determine a second uplink transmission power for sending a second system information request according to the first uplink transmission power for sending the first system information request and the additionally increased uplink transmission power.
Referring to fig. 7, the structure of a terminal in another embodiment of the present invention is shown, where the terminal 600 further includes an uplink transmission power ramp-up counter 603, and the first determining module 601 includes:
a first determining unit 6011, configured to control the uplink transmit power ramp-up counter 603 to count the number of transmission failures of the system information request after the UE fails to transmit the first system information request, so as to obtain a first count value;
a second determining unit 6012, configured to determine, according to the first count value and a power value, which is configured in advance, for each increment of the uplink transmission power ramp, an uplink transmission power that is additionally increased.
In this embodiment, optionally, the second determining unit 6012 determines the additionally increased uplink transmission power according to the following formula:
the additional uplink transmission power is equal to the first count value × the power value for each increase of the uplink transmission power ramp.
In this embodiment, optionally, the first count value is calculated by an uplink transmission power ramp-up counter based on a second count value in the uplink transmission power ramp-up counter and a preset value;
the second count value is an initial value of an uplink transmission power ramp-up counter, or a count value counted by the uplink transmission power ramp-up counter before the first system information request is transmitted.
With continued reference to fig. 7, the terminal 600 further includes:
a first determining module 604, configured to determine whether a count value in the uplink transmission power ramp-up counter is greater than or equal to a maximum value of the uplink transmission power ramp-up counter; if yes, controlling the uplink transmission power climbing counter to keep the second count value unchanged; if not, triggering the first determining unit to control the uplink transmission power ramp-up counter 603 to count the failure times of the first system information request, and obtaining a first count value.
With continued reference to fig. 7, the terminal 600 further includes:
a first resetting module 605, configured to reset the uplink transmit power ramp-up counter 603 if the number of times of transmission failure of the UE system information request exceeds a predetermined number of times, or if the UE accesses a new cell, or if a cell barring timer of the UE expires.
The first resetting module 605 is further configured to reset the uplink transmission power ramp-up counter to an initial value of the uplink transmission power ramp-up counter.
In another embodiment of the present invention, the additional increased uplink transmission power is: the power value for each increase in uplink transmit power ramp.
Referring to fig. 8, which shows a structure of a terminal according to another embodiment of the present invention, the terminal 600 further includes:
a second determining module 606, configured to determine whether a first uplink transmission power for sending the first system information request is less than or equal to a maximum value of preconfigured uplink transmission power or determine whether an accumulated value of power values of each increase of uplink transmission power climbing is less than or equal to the maximum power value of uplink power climbing; if yes, the first determining module 601 is triggered to determine the power value of each increment of the uplink transmission power ramp.
With continued reference to fig. 8, the terminal further includes:
a second resetting module 607, configured to perform a resetting process on the uplink transmission power value if the number of times of transmission failures of the system information transmission request sent by the UE exceeds a predetermined number of times, or if the UE accesses a new cell, or if the cell barring access timer of the UE is overtime.
In this embodiment, optionally, at least one of the following is configured by the network or agreed by the protocol: the initial value of the ascending transmission power climbing counter; the uplink transmission power climbs the maximum value of a counter; the power value of each increase of the uplink transmission power climbing; the maximum power value of ascending transmission power climbing; and a maximum value of the uplink transmission power.
In this embodiment, after the UE fails to send the system information request, the uplink transmission power of the system information request is increased, so as to increase the success rate of sending the system information request.
An embodiment of the present invention further provides a terminal, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the uplink transmission power control method as described above when executing the program.
Fig. 9 is a block diagram of a terminal according to another embodiment of the present invention. The terminal 900 shown in fig. 9 includes: at least one processor 901, memory 902, at least one network interface 904, and a user interface 903. The various components in terminal 900 are coupled together by a bus system 905. It is understood that the bus system 905 is used to enable communications among the components. The bus system 905 includes a power bus, a control bus, and a status signal bus, in addition to a data bus. For clarity of illustration, however, the various buses are labeled in fig. 9 as bus system 905.
The user interface 903 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.
It is to be understood that the memory 902 in embodiments of the present invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data rate Synchronous Dynamic random access memory (ddr SDRAM ), Enhanced Synchronous SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and direct memory bus RAM (DRRAM). The memory 902 of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 902 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 9021 and application programs 9022.
The operating system 9021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is configured to implement various basic services and process hardware-based tasks. The application 9022 includes various applications, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. A program implementing the method of an embodiment of the present invention may be included in application 9022.
In the embodiment of the present invention, by calling a program or an instruction stored in the memory 902, specifically, a program or an instruction stored in the application 9022, the processor 901 is configured to: determining an additionally increased uplink transmission power after a failure of transmitting the first system information request; and determining second uplink transmission power for transmitting a second system information request according to the first uplink transmission power for transmitting the first system information request and the additionally increased uplink transmission power.
The method disclosed in the above embodiments of the present invention may be applied to the processor 901, or implemented by the processor 901. The processor 901 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 901. The Processor 901 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable Gate Array (FPGA) or other programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 902, and the processor 901 reads the information in the memory 902, and completes the steps of the above method in combination with the hardware thereof.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Optionally, the processor 901 is further configured to: after the first system information request is failed to be sent, controlling an uplink sending power climbing counter to count the sending failure times of the system information request to obtain a first count value; and determining the additionally increased uplink transmission power according to the first counting value and the power value increased every time when the pre-configured uplink transmission power climbs.
Optionally, the processor 901 is further configured to: the additional increased uplink transmit power is determined according to the following equation:
the additional uplink transmission power is equal to the first count value × the power value for each increase of the uplink transmission power ramp.
The first count value is calculated by an uplink transmission power climbing counter based on a second count value in the uplink transmission power climbing counter and a preset numerical value;
the second count value is an initial value of an uplink transmission power ramp-up counter, or a count value counted by the uplink transmission power ramp-up counter before the first system information request is transmitted.
Optionally, the processor 901 is further configured to: judging whether the count value in the uplink transmission power climbing counter is greater than or equal to the maximum value of the uplink transmission power climbing counter; if yes, controlling the uplink transmission power climbing counter to keep the second count value unchanged; and if the count value in the uplink transmission power climbing counter is smaller than the maximum value of the uplink transmission power climbing counter, entering a step that the UE controls the uplink transmission power climbing counter to count the failure times of the first system information request to obtain a first count value.
Optionally, the processor 901 is further configured to: if the number of times of the system information request transmission failure of the UE exceeds the preset number of times, or if the UE is accessed to a new cell, or if the cell access prohibition timer of the UE is overtime, resetting the uplink transmission power climbing counter.
Optionally, the processor 901 is further configured to: resetting the uplink transmission power ramp-up counter to an initial value of the uplink transmission power ramp-up counter.
The additional increased uplink transmit power is: the power value for each increase in uplink transmit power ramp.
Optionally, the processor 901 is further configured to: judging whether a first uplink transmission power for transmitting the first system information request is smaller than or equal to a maximum value of uplink transmission power which is configured in advance or judging whether an accumulated value of power values of uplink transmission power climbing for each time is smaller than or equal to the maximum power value of uplink power climbing; if so, entering a step of the UE determining additional increased uplink transmission power.
Optionally, the processor 901 is further configured to: if the number of times of the UE system information request transmission failure exceeds the preset number of times, or if the UE is accessed to a new cell, or if the cell access prohibition timer of the UE is overtime, resetting the uplink transmission power value.
The terminal 900 can implement the processes implemented by the terminal in the foregoing embodiments, and in order to avoid repetition, the descriptions are omitted here.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps in the uplink transmission power control method.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
In addition, the terms "system" and "network" are often used interchangeably herein.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
In the several embodiments provided in the present application, it should be understood that the disclosed method and terminal can be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network-side device) to perform some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the preferred embodiments of the present invention have been described, it should be understood that modifications and adaptations to those embodiments may occur to one skilled in the art without departing from the principles of the present invention and are within the scope of the present invention.
Claims (14)
1. An uplink transmission power control method is applied to a terminal UE, and is characterized by comprising the following steps:
after the first system information sending request fails, judging whether the count value in the uplink sending power climbing counter is larger than or equal to the maximum value of the uplink sending power climbing counter;
if yes, controlling the uplink transmission power climbing counter to keep a second count value unchanged;
if the count value in the uplink transmission power climbing counter is smaller than the maximum value of the uplink transmission power climbing counter, controlling the uplink transmission power climbing counter to count the transmission failure times of the system information request to obtain a first count value;
according to the formula: determining the additionally increased uplink transmission power, wherein the additionally increased uplink transmission power is the first count value multiplied by the power value increased each time the uplink transmission power climbs;
determining a second uplink transmission power for transmitting a second system information request according to a first uplink transmission power for transmitting the first system information request and an additionally increased uplink transmission power;
the first count value is calculated by an uplink transmission power climbing counter based on a second count value in the uplink transmission power climbing counter and a preset numerical value;
the second count value is an initial value of an uplink transmission power ramp-up counter, or a count value counted by the uplink transmission power ramp-up counter before the first system information request is transmitted.
2. The method of claim 1, further comprising:
if the number of times of the system information request transmission failure of the UE exceeds the preset number of times, or if the UE accesses a new cell, or if the cell access prohibition timer of the UE is overtime, resetting the uplink transmission power climbing counter.
3. The method of claim 2, wherein the resetting the uplink transmit power ramp-up counter comprises:
resetting the uplink transmission power ramp-up counter to an initial value of the uplink transmission power ramp-up counter.
4. The method of claim 1, wherein the additional increased uplink transmit power is: the power value for each increase in uplink transmit power ramp.
5. The method of claim 4, wherein before the step of determining additional increased uplink transmit power after the failure to transmit the first system information request, the method further comprises:
judging whether a first uplink transmission power for transmitting the first system information request is smaller than or equal to a maximum value of uplink transmission power which is configured in advance or judging whether an accumulated value of power values of uplink transmission power climbing for each time is smaller than or equal to the maximum power value of uplink power climbing;
if yes, determining the additionally increased uplink transmission power after the first system information sending request fails.
6. The method of claim 4, further comprising:
if the number of times of the system information request transmission failure of the UE exceeds the preset number of times, or if the UE is accessed to a new cell, or if the cell access prohibition timer of the UE is overtime, resetting the uplink transmission power value.
7. The method according to any of claims 1 to 6, wherein at least one of the following is configured by the network or agreed upon by the protocol:
the initial value of the ascending transmission power climbing counter;
the uplink transmission power climbs the maximum value of a counter;
the power value of each increase of the uplink transmission power climbing;
the maximum power value of ascending transmission power climbing; and
maximum value of uplink transmission power.
8. A terminal, comprising:
a first determining module, configured to determine, after a failure in sending the first system information request, an additionally increased uplink transmission power;
a second determining module, configured to determine, according to the first uplink transmission power for sending the first system information request and the additionally increased uplink transmission power, a second uplink transmission power for sending a second system information request;
the terminal further comprises an uplink transmission power ramp-up counter, and the first determining module comprises:
the first determining unit is used for controlling the uplink transmission power climbing counter to count the transmission failure times of the system information request after the first system information request is failed to be transmitted, so as to obtain a first count value;
a second determining unit, configured to determine, according to the first count value and a power value, which is configured in advance, for each increment of uplink transmission power ramp-up, an uplink transmission power that is additionally incremented;
the second determining unit determines the additionally increased uplink transmission power according to the following formula:
the extra uplink transmission power is equal to the first count value x the power value increased each time the uplink transmission power climbs;
the first count value is calculated by an uplink transmission power climbing counter based on a second count value in the uplink transmission power climbing counter and a preset numerical value;
wherein, the second count value is an initial value of an uplink transmission power ramp-up counter, or a count value counted by the uplink transmission power ramp-up counter before the first system information request is transmitted;
the terminal further comprises:
a first judging module, configured to judge whether a count value in the uplink transmission power ramp-up counter is greater than or equal to a maximum value of the uplink transmission power ramp-up counter; if yes, controlling the uplink transmission power climbing counter to keep the second count value unchanged; and triggering the first determining unit to control the uplink transmission power climbing counter to count the failure times of the first system information request to obtain a first count value if the count value in the uplink transmission power climbing counter is smaller than the maximum value of the uplink transmission power climbing counter.
9. The terminal of claim 8, wherein the terminal further comprises:
a first resetting module, configured to reset the uplink transmit power ramp-up counter if the number of times of system information request transmission failure of the UE exceeds a predetermined number of times, or if the UE accesses a new cell, or if a cell barring timer of the UE expires.
10. The terminal of claim 9, wherein the first resetting module is further configured to reset the uplink transmission power ramp-up counter to an initial value of the uplink transmission power ramp-up counter.
11. The terminal of claim 8, wherein the additional increased uplink transmit power is: the power value for each increase in uplink transmit power ramp.
12. The terminal of claim 11, wherein the terminal further comprises:
a second judging module, configured to judge whether a first uplink transmission power for sending the first system information request is less than or equal to a maximum value of uplink transmission power configured in advance or judge whether an accumulated value of power values of each increase of uplink transmission power climbing is less than or equal to the maximum power value of uplink power climbing; if yes, triggering a first determining module to determine the power value of each increment of the ascending transmission power climbing.
13. The terminal of claim 11, wherein the terminal further comprises:
and the second resetting module is used for resetting the uplink transmission power value if the number of times of transmission failure of the system information transmission request sent by the UE exceeds the preset number of times, or if the UE is accessed into a new cell, or if the cell access prohibition timer of the UE is overtime.
14. A terminal according to any of claims 8 to 13, wherein at least one of the following is configured by the network or agreed upon by the protocol:
the initial value of the ascending transmission power climbing counter;
the uplink transmission power climbs the maximum value of a counter;
the power value of each increase of the uplink transmission power climbing;
the maximum power value of ascending transmission power climbing; and
maximum value of uplink transmission power.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297611.0A CN108811061B (en) | 2017-04-28 | 2017-04-28 | Uplink transmission power control method and terminal |
| PCT/CN2018/084822 WO2018196853A1 (en) | 2017-04-28 | 2018-04-27 | Method of controlling uplink transmission power and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710297611.0A CN108811061B (en) | 2017-04-28 | 2017-04-28 | Uplink transmission power control method and terminal |
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| CN108811061A CN108811061A (en) | 2018-11-13 |
| CN108811061B true CN108811061B (en) | 2020-06-19 |
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| CN201710297611.0A Active CN108811061B (en) | 2017-04-28 | 2017-04-28 | Uplink transmission power control method and terminal |
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| CN (1) | CN108811061B (en) |
| WO (1) | WO2018196853A1 (en) |
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Also Published As
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| CN108811061A (en) | 2018-11-13 |
| WO2018196853A1 (en) | 2018-11-01 |
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