WO2019095807A1 - Procédé de régulation de puissance, appareil, dispositif, et support de stockage lisible par ordinateur - Google Patents

Procédé de régulation de puissance, appareil, dispositif, et support de stockage lisible par ordinateur Download PDF

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Publication number
WO2019095807A1
WO2019095807A1 PCT/CN2018/105187 CN2018105187W WO2019095807A1 WO 2019095807 A1 WO2019095807 A1 WO 2019095807A1 CN 2018105187 W CN2018105187 W CN 2018105187W WO 2019095807 A1 WO2019095807 A1 WO 2019095807A1
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Prior art keywords
transmitted service
power
current
service
transmitted
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PCT/CN2018/105187
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English (en)
Chinese (zh)
Inventor
冯媛
赵锐
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电信科学技术研究院有限公司
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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
    • 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
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • 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
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a power control method, apparatus, device, and computer readable storage medium.
  • the high and low priority judgment of the service is implemented by using a Reference Signal Receiving Power (RSRP) decision threshold.
  • RSRP Reference Signal Receiving Power
  • the difference between the signal to interference plus noise ratio (SINR) of the service is different from the priority (PPPP) difference. It is also possible to consider whether the service is segmented, and for segmented services, it may be considered to increase its SINR requirement.
  • the current sensing process only considers PPPP differences.
  • the power control process of the Physical Sidelink Shared Channel can be regarded as only related to the number of physical resource blocks (PRBs), but the transmission power is used as a transmission parameter, and there is no The specific process cannot reflect the difference in business of different priorities.
  • the present disclosure provides a power control method, apparatus, device, and computer readable storage medium for ensuring quality of service (QoS) of high priority services.
  • QoS quality of service
  • an embodiment of the present disclosure provides a power control method, including:
  • the determining the transmission power of the current to-be-transmitted service according to the priority information of the current to-be-transmitted service include:
  • the transmit power of the current to-be-transmitted service is calculated by using the expected received power.
  • the sending power of the current to-be-transmitted service is calculated by using the expected received power according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the Physical Sidelink Control Channel (PSSCH)
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the terminal (User Equipment, UE).
  • the maximum allowed transmit power, P O_PSSCH,i represents the expected received power in transmission mode 3 or transmission mode 4,
  • PL represents Estimated link path loss.
  • the determining the transmission power of the current to-be-transmitted service according to the priority information of the current to-be-transmitted service include:
  • the transmit power of the current to-be-transmitted service is calculated by using the power spectral density.
  • the sending power of the current to-be-transmitted service is calculated according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH i indicates the transmission mode 3 or the transmission mode.
  • n represents the physical bypass control channel PSCCH relative to the physical bypass carrying the service to be transmitted
  • PL represents the estimated link path loss.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the first to-be-transmitted service
  • the priority of the transmission service is higher than the priority of the second to-be-transmitted service
  • Determining, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service including:
  • the transmit power is determined for the second to-be-transmitted service, where the remaining transmit power is equal to the total transmit power minus the transmit power of the first to-be-transmitted service.
  • the method further includes: before determining, in the remaining transmit power, the transmit power for the second to-be-transmitted service, the method further includes:
  • the second to-be-transmitted service is not transmitted
  • the transmission power is determined for the second to-be-transmitted service.
  • the determining the transmit power of the first to-be-transmitted service includes:
  • the calculating the transmit power of the first to-be-transmitted service by using the expected received power according to the following formula, including:
  • P PSSCH represents the transmission power of the first to-be-transmitted service
  • M PSSCH represents the transmission bandwidth of the PSSCH
  • M PSCCH represents the transmission bandwidth of the PSCCH
  • P CMAX represents the maximum transmission power allowed by the UE
  • P O_PSSCH represents the transmission mode 3 or the transmission mode 4
  • the expected received power, ⁇ PSSCH represents the higher layer parameter in transmission mode 3 or transmission mode 4;
  • PL represents the estimated link path loss.
  • the determining the transmit power of the first to-be-transmitted service includes:
  • the transmit power of the first to-be-transmitted service is calculated by using the power spectral density.
  • the sending power of the first to-be-transmitted service is calculated according to the following formula:
  • the P PSSCH represents the transmission power of the first to-be-transmitted service
  • the M PSSCH represents the transmission bandwidth of the PSSCH
  • the M PSCCH represents the transmission bandwidth of the PSCCH
  • the P CMAX represents the maximum transmission power allowed by the UE
  • the P O_PSSCH, i represents the transmission mode 3 or the transmission.
  • n represents the physical bypass control channel PSCCH relative to the physical side carrying the service to be transmitted
  • PL represents the estimated link path loss.
  • the determining, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service includes:
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the first to-be-transmitted service is applied to the transmission mode 3 and the out-of-coverage transmission mode 4
  • the priority of the transmission service is higher than the priority of the second to-be-transmitted service
  • Determining, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service including:
  • an embodiment of the present disclosure provides a power control apparatus, including:
  • a first determining module configured to determine priority information of a current service to be transmitted
  • the second determining module is configured to determine, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service.
  • the second determining module includes:
  • a first setting sub-module configured to set a desired received power corresponding to the current to-be-transmitted service, where the value of the expected received power increases as the priority of the current to-be-transmitted service increases;
  • a first calculating submodule configured to calculate, by using the expected received power, a transmit power of the current to-be-transmitted service.
  • the second determining module includes:
  • a second setting sub-module configured to set a power spectral density corresponding to the current to-be-transmitted service, where the value of the power spectral density increases as a priority of a current service to be transmitted increases;
  • a second calculating submodule configured to calculate, by using the power spectral density, a transmit power of the current to-be-transmitted service.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, wherein the first to-be-transmitted service has a higher priority than the second to-be-transmitted service;
  • the second determining Modules include:
  • a first determining submodule configured to determine a transmit power of the first to-be-transmitted service
  • a second determining submodule configured to determine, in the remaining transmit power, a transmit power for the second to-be-transmitted service, where the remaining transmit power is equal to the total transmit power minus a transmit power of the first to-be-transmitted service .
  • the second determining module includes:
  • a third determining submodule configured to determine, according to the priority information of the current to-be-transmitted service, a power spectral density of the current to-be-transmitted service, where the power is increased as the priority of the current to-be-transmitted service increases Increased spectral density;
  • a fourth determining submodule configured to determine, according to the power spectral density, a transmit power of the current to-be-transmitted service.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, wherein the first to-be-transmitted service has a higher priority than the second to-be-transmitted service;
  • the second determining Modules include:
  • a fifth determining submodule configured to determine, according to the priority of the first to-be-transmitted service and the priority of the second to-be-transmitted service, a first power spectral density of the first to-be-transmitted service, and the first a second power spectral density of the second to be transmitted service, wherein the first power spectral density is greater than the second power spectral density;
  • a sixth determining submodule configured to determine, according to the first power spectral density and the second power spectral density, a transmit power of the first to-be-transmitted service and a transmit power of the second to-be-transmitted service.
  • an embodiment of the present disclosure provides a power control device, including: a memory, a processor, and a computer program stored on the memory and operable on the processor; the processor is configured to read in a memory
  • the program that performs the following process:
  • the processor when applied to the transmission mode 3 in the single carrier scenario and the transmission mode 4 in the overlay, the processor is further configured to read a program in the memory, and perform the following process:
  • the transmit power of the current to-be-transmitted service is calculated by using the expected received power.
  • the processor is further configured to read a program in the memory and perform the following process:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • PL represents the estimated link path loss.
  • the processor when applied to the transmission mode 3 in the single carrier scenario and the transmission mode 4 in the overlay, the processor is further configured to read a program in the memory, and perform the following process:
  • the transmit power of the current to-be-transmitted service is calculated by using the power spectral density.
  • the processor is further configured to read a program in the memory and perform the following process:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • n represents the power spectral density offset of the PSCCH with respect to the PSSCH carrying the service to be transmitted.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the first to-be-transmitted service is applied to the transmission mode 3 in the carrier aggregation scenario and the transmission mode 4 in the coverage.
  • the priority is higher than the priority of the second to-be-transmitted service; the processor is further configured to read a program in the memory, and perform the following process:
  • the transmit power is determined for the second to-be-transmitted service, where the remaining transmit power is equal to the total transmit power minus the transmit power of the first to-be-transmitted service.
  • the processor is further configured to read a program in the memory and perform the following process:
  • the second to-be-transmitted service is not transmitted
  • the transmit power is determined for the second to-be-transmitted service.
  • the processor is further configured to read a program in the memory and perform the following process:
  • the processor is further configured to read a program in the memory and perform the following process:
  • P PSSCH represents the transmission power of the first to-be-transmitted service
  • M PSSCH represents the transmission bandwidth of the PSSCH
  • M PSCCH represents the transmission bandwidth of the PSCCH
  • P CMAX represents the maximum transmission power allowed by the UE
  • P O_PSSCH represents the transmission mode 3 or the transmission mode 4
  • the expected received power, ⁇ PSSCH represents the higher layer parameter in transmission mode 3 or transmission mode 4;
  • PL represents the estimated link path loss.
  • the processor is further configured to read a program in the memory and perform the following process:
  • the transmit power of the first to-be-transmitted service is calculated by using the power spectral density.
  • the processor is further configured to read a program in the memory and perform the following process:
  • the P PSSCH represents the transmission power of the first to-be-transmitted service
  • the M PSSCH represents the transmission bandwidth of the PSSCH
  • the M PSCCH represents the transmission bandwidth of the PSCCH
  • the P CMAX represents the maximum transmission power allowed by the UE
  • the P O_PSSCH, i represents the transmission mode 3 or the transmission.
  • n represents the physical bypass control channel PSCCH relative to the bearer of the first to-be-transmitted service Physical bypass density shared channel PSSCH power spectral density offset
  • PL represents estimated link path loss.
  • the processor when applied to the transmission mode 4 scene outside the coverage, is further configured to read a program in the memory, and perform the following process:
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the first to-be-transmitted service is applied to the transmission mode 3 in the carrier aggregation scenario and the out-of-coverage transmission mode 4.
  • the priority is higher than the priority of the second to-be-transmitted service; the processor is further configured to read a program in the memory, and perform the following process:
  • an embodiment of the present disclosure provides a computer readable storage medium for storing a computer program, the computer program being executed by a processor to implement the steps in the method as described in the first aspect.
  • the transmission power of the current to-be-transmitted service may be determined according to the priority information of the current to-be-transmitted service, thereby ensuring the QoS of the high-priority service.
  • FIG. 1 is a flowchart of a power control method according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a power control device according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a power control device according to an embodiment of the present disclosure.
  • the power control method of the embodiment of the present disclosure includes:
  • Step 101 Determine priority information of a current service to be transmitted.
  • the current to-be-transmitted service may refer to the service currently being processed.
  • Different services can have different priority information, and the priority information of different services can be preset.
  • the voice call service can be set to have a higher priority, and the short message service has a lower priority.
  • Step 102 Determine, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service.
  • the transmission power of the current to-be-transmitted service may be determined by combining different application scenarios and priority information of the current to-be-transmitted service.
  • Scene 1 Transmission mode 3 (Mode 3) in single-carrier scenario and transmission mode 4 (Mode 4) in coverage
  • the current to-be-transmitted services of different priorities may have different transmit powers based on different expected receive powers of different priorities.
  • the terminal side can be notified by means of parameter configuration, and a high expected power value is set for high priority, for example, a gain of 1 dB is added for high priority.
  • the expected received power corresponding to the current to-be-transmitted service may be set first, and then the transmit power of the current to-be-transmitted service is calculated by using the expected received power.
  • the sending power of the current to-be-transmitted service is calculated by using the expected received power according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • PL represents the estimated link path loss.
  • the current to-be-transmitted services of different priorities may have different transmission powers based on different power spectral densities of different to-be-transmitted services.
  • the higher the priority the larger the power spectral density, and the higher the corresponding transmission power.
  • the power spectral density corresponding to the current to-be-transmitted service may be set first, and then the power spectral density is used to calculate the transmit power of the current to-be-transmitted service.
  • the sending power of the current to-be-transmitted service is calculated according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • n represents the power spectral density offset of the PSCCH with respect to the PSSCH carrying the service to be transmitted
  • PL represents the estimated link path loss.
  • Scenario 2 Transmission mode 3 (Mode 3) in the carrier aggregation scenario and transmission mode 4 (Mode 4) in the coverage.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, wherein the first to-be-transmitted service has a higher priority than the second to-be-transmitted service.
  • the preset total transmit power may be obtained first, and then the transmit power of the first to-be-transmitted service is determined. And determining, in the remaining transmit power, whether the remaining transmit power meets a transmit requirement of the second to-be-transmitted service. And when the remaining transmit power meets the sending requirement of the second to-be-transmitted service, determining a transmit power for the second to-be-transmitted service; otherwise, the second to-be-transmitted service may not be transmitted.
  • the remaining transmit power is equal to the total transmit power minus the transmit power of the first to-be-transmitted service.
  • CA Carrier Aggregation
  • Power resources are allocated preferentially for carriers carrying high priority services.
  • the calculation method of the transmission power requirement covering the mode 4 and the mode 3 can be determined according to the calculation method in the prior art. Calculating the remaining power resources, allocating the remaining power resources to carriers carrying low priority services or determining whether the remaining power resources can meet the transmission requirements of carriers carrying low priority services. Sent if the demand is met, or not if the demand is not met.
  • the power requirements for the high- and low-priority services can be implemented according to the existing protocol, or can be implemented according to the calculation method of the scenario 1.
  • the expected received power corresponding to the first to-be-transmitted service may be set, wherein the priority of the first to-be-transmitted service is increased. High, the value of the expected received power is increased, and the transmit power of the first to-be-transmitted service is calculated by using the expected received power. Specifically, the sending power of the first to-be-transmitted service is calculated according to the following formula:
  • P PSSCH represents the transmission power of the first to-be-transmitted service
  • M PSSCH represents the transmission bandwidth of the PSSCH
  • M PSCCH represents the transmission bandwidth of the PSCCH
  • P CMAX represents the maximum transmission power allowed by the UE
  • P O_PSSCH represents the transmission mode 3 or the transmission mode 4
  • the expected received power, ⁇ PSSCH represents the higher layer parameter in transmission mode 3 or transmission mode 4;
  • PL represents the estimated link path loss.
  • the power spectral density corresponding to the first to-be-transmitted service may be set, where the priority of the first to-be-transmitted service is The value of the power spectral density increases, and the transmission power of the first to-be-transmitted service is calculated by using the power spectral density.
  • the sending power of the first to-be-transmitted service is calculated according to the following formula:
  • the P PSSCH represents the transmission power of the first to-be-transmitted service
  • the M PSSCH represents the transmission bandwidth of the PSSCH
  • the M PSCCH represents the transmission bandwidth of the PSCCH
  • the P CMAX represents the maximum transmission power allowed by the UE
  • the P O_PSSCH, i represents the transmission mode 3 or the transmission.
  • n represents the power spectral density of the PSCCH relative to the PSSCH carrying the first to-be-transmitted service Offset
  • PL represents the estimated link path loss.
  • the power spectral density of the current to-be-transmitted service is determined according to the priority information of the current to-be-transmitted service, where the power spectral density increases as the priority of the current to-be-transmitted service increases. Increase. Then, according to the power spectral density, the transmission power of the current to-be-transmitted service is determined.
  • SA current set scheduling allocation
  • data data
  • PSD Power Spectral Density
  • the SA When the SA indicates a low priority service, the SA has a gain of 3 dB compared to data; when the SA indicates a high priority service, the SA has a gain of only 2 dB compared to data.
  • Scenario 4 Transmission mode 3 (Mode 3) in the carrier aggregation scenario and transmission mode 4 (Mode 4) outside the coverage.
  • the current to-be-transmitted service includes the first to-be-transmitted service and the second to-be-transmitted service, wherein the first to-be-transmitted service has a higher priority than the second to-be-transmitted service.
  • the calculation method of the transmission power of the first to-be-transmitted service is taken as an example, and can be calculated according to the following formula:
  • the P PSSCH, 1 indicates the transmission power of the first to-be-transmitted service
  • M PSSCH, 1 indicates the transmission bandwidth of the PSSCH carrying the first to-be-transmitted service
  • M PSSCH, 2 indicates the transmission bandwidth of the PSSCH carrying the second to-be-transmitted service.
  • M PSCCH indicates the transmission bandwidth of the PSCCH
  • P CMAX indicates the maximum transmission power allowed by the UE
  • P O_PSSCH indicates the expected reception power in the transmission mode 3 or the transmission mode 4
  • n1 represents a power spectral density offset of a PSSCH carrying the second to-be-transmitted service with respect to a PSSCH carrying the first to-be-transmitted service
  • n2 represents a PSCCH with respect to the bearer
  • PL represents the estimated link path loss.
  • the calculation method of the transmission power of the second to-be-transmitted service is the same.
  • each carrier power allocation can be determined based on the power spectral density.
  • the PSDs of different priority services may be determined according to the mapping relationship in Table 2 below, and the transmit power values on the respective SAs and resources carrying different data are determined.
  • the transmission power of the current to-be-transmitted service can be determined according to the priority information of the current to-be-transmitted service, thereby ensuring the QoS of the high-priority service.
  • the high priority traffic when applied in a single carrier coverage scenario, when determining the transmission power, the high priority traffic has a higher transmission power, and the low priority traffic has a lower transmission power.
  • the specific implementation method refer to the description of scenario one above.
  • the high priority traffic when applied to a single carrier coverage scenario, when determining the transmission power, the high priority traffic has a higher transmission power, and the low priority traffic has a lower transmission power.
  • the specific implementation method refer to the description of the above scenario 3.
  • the services sent at one time have both high priority and low priority (different service packets are multiplexed together to select one resource to be sent together), and power is preferentially allocated for high priority.
  • the specific implementation method refer to the description of the foregoing scenario 2; when it is applied to the outside of the coverage, the specific implementation method may refer to the description of the foregoing scenario 3.
  • the services sent at one time have both high priority and low priority (the different time points of different service packets triggering the selection of resources, but only the same subframe is selected), and
  • the high and low priority power values are different.
  • the specific implementation method refer to the description of the foregoing scenario 2; when it is applied to the outside of the coverage, the specific implementation method may refer to the description of the foregoing scenario 3.
  • the total power transmitted may be in the largest protocol regardless of the coverage or coverage.
  • Each carrier divides the power in units of PRB, and considers the PSD between SA and data.
  • the power spectrum offset (PSD offset) of the PSCCH with respect to the PSSCH is a fixed value of 3 dB.
  • the priority of the service is differentiated, assuming that the PSD offset of the PSCCH is 3 dB with respect to the PSSCH carrying the high priority service, and the PSD offset of the PSSCH carrying the high priority service is 1 Db with respect to the PSSCH carrying the low priority service, then the single carrier
  • the power spectrum offset of the PSCCH relative to the PSSCH carrying the high-priority service is 3; if the low-priority service is sent, the PSCCH is relative to the PSSCH carrying the low-priority service.
  • the power spectrum offset has a value of 4.
  • the high-priority high-power spectral density and low-priority low-power spectral density have the following effects on the sensing process:
  • Time-frequency domain collision From the perspective of SINR, it is assumed that all resources occupy the same size. If different powers are used, the power density spectrum is different. In this way, no matter whether "partial resource overlap collision/interference or collision/interference of all resources overlap occurs, for a user, collision/interference low priority user equivalent is less interference, high priority user pair The interference is larger. It is equivalent to the high-priority user, which has large receiving power, small interference, and large equivalent SINR; low-priority users have small receiving power, large interference, and the equivalent SINR is small;
  • the frequency domain near-far effect equivalent to improving the power of high-priority services and improving the decoding rate of high-priority services.
  • the power control apparatus of the embodiment of the present disclosure includes:
  • the first determining module 201 is configured to determine the priority information of the current to-be-transmitted service.
  • the second determining module 202 is configured to determine, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service.
  • the second determining module 202 includes: a first setting submodule, configured to set an expected receiving corresponding to the current to-be-transmitted service, when the transmission mode 3 in the single-carrier scenario and the transmission mode 4 in the coverage are applied. Power, wherein the value of the expected received power increases as the priority of the current to-be-transmitted service increases; the first calculating sub-module is configured to calculate the current to-be-transmitted service by using the expected received power Transmit power.
  • the sending power of the current to-be-transmitted service is calculated by using the expected received power according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • PL represents the estimated link path loss.
  • the second determining module 202 includes: a second setting submodule, configured to set a power spectral density corresponding to the current to-be-transmitted service, where the priority of the current to-be-transmitted service increases The value of the power spectral density is increased.
  • the second calculation submodule is configured to calculate the transmission power of the current to-be-transmitted service by using the power spectral density.
  • the transmit power of the current to-be-transmitted service is calculated by using the power spectral density according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • n represents the power spectral density offset of the PSCCH with respect to the PSSCH carrying the service to be transmitted
  • PL represents the estimated link path loss.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the priority of the first to-be-transmitted service is Higher than the priority of the second to-be-transmitted service;
  • the second determining module 202 includes:
  • Obtaining a sub-module configured to obtain a preset total transmit power; a first determining sub-module, configured to determine a transmit power of the first to-be-transmitted service; and a second determining sub-module, configured to be in the remaining transmit power
  • the second to-be-transmitted service determines a transmit power, where the remaining transmit power is equal to the total transmit power minus a transmit power of the first to-be-transmitted service.
  • the first determining sub-module may be further configured to: determine whether the remaining transmit power meets a sending requirement of the second to-be-transmitted service, and when the remaining transmit power does not satisfy the second to-be-transmitted service When the request is sent, the second to-be-transmitted service is not transmitted.
  • the second determining sub-module is specifically configured to: when the remaining transmit power meets the sending requirement of the second to-be-transmitted service, determine, in the remaining transmit power, the transmit power for the second to-be-transmitted service.
  • the first determining sub-module is specifically configured to set the expected received power corresponding to the first to-be-transmitted service, where the first to-be-transmitted service is used.
  • the increase in the priority the value of the expected received power is increased, and the transmit power of the first to-be-transmitted service is calculated using the expected received power.
  • the sending power of the first to-be-transmitted service is calculated by using the expected received power according to the following formula, including:
  • P PSSCH represents the transmission power of the first to-be-transmitted service
  • M PSSCH represents the transmission bandwidth of the PSSCH
  • M PSCCH represents the transmission bandwidth of the PSCCH
  • P CMAX represents the maximum transmission power allowed by the UE
  • P O_PSSCH represents the transmission mode 3 or the transmission mode 4
  • the expected received power, ⁇ PSSCH represents the higher layer parameter in transmission mode 3 or transmission mode 4;
  • PL represents the estimated link path loss.
  • the first determining sub-module is specifically configured to set a power spectral density corresponding to the first to-be-transmitted service when determining the transmit power of the first to-be-transmitted service, where, along with the first to-be-transmitted service The increase in the priority of the power spectral density increases, and the transmission power of the first to-be-transmitted service is calculated using the power spectral density.
  • the P PSSCH represents the transmission power of the first to-be-transmitted service
  • the M PSSCH represents the transmission bandwidth of the PSSCH
  • the M PSCCH represents the transmission bandwidth of the PSCCH
  • the P CMAX represents the maximum transmission power allowed by the UE
  • the P O_PSSCH, i represents the transmission mode 3 or the transmission.
  • n represents the power spectral density of the PSCCH relative to the PSSCH carrying the first to-be-transmitted service Offset
  • PL represents the estimated link path loss.
  • the second determining module 202 is configured to: determine, according to the priority information of the current to-be-transmitted service, the power of the current to-be-transmitted service, when the transmission mode 4 scenario is applied to the out-of-coverage mode. a spectral density, wherein the power spectral density increases as the priority of the current to-be-transmitted service increases; and a fourth determining sub-module, configured to determine, according to the power spectral density, the current transmission of the to-be-transmitted service power.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the priority of the first to-be-transmitted service is applied to the transmission mode 3 in the carrier aggregation scenario and the out-of-coverage transmission mode 4.
  • the second determining module 202 includes:
  • a fifth determining submodule configured to determine, according to the priority of the first to-be-transmitted service and the priority of the second to-be-transmitted service, a first power spectral density of the first to-be-transmitted service, and the first a second power spectral density of the second to-be-transmitted service, wherein the first power spectral density is greater than the second power spectral density; and a sixth determining sub-module for respectively determining the first power spectral density and the second power spectrum Density, determining a transmit power of the first to-be-transmitted service and a transmit power of the second to-be-transmitted service.
  • the transmission power of the current to-be-transmitted service may be determined according to the priority information of the current to-be-transmitted service, thereby ensuring the QoS of the high-priority service.
  • the power control apparatus of the embodiment of the present disclosure includes a processor 300 for reading a program in the memory 320 and performing the following process:
  • Determining the priority information of the current service to be transmitted determining the transmission power of the current to-be-transmitted service according to the priority information of the current to-be-transmitted service;
  • the transceiver 310 is configured to receive and send data under the control of the processor 300.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 300 and various circuits of memory represented by memory 320.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 310 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 300 in performing operations.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 300 in performing operations.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the expected received power corresponding to the current to-be-transmitted service is set, wherein, as the priority of the current to-be-transmitted service increases, the It is expected that the value of the received power is increased; and the transmission power of the current to-be-transmitted service is calculated using the expected received power.
  • the processor 300 is further configured to read the computer program, and calculate, according to the following formula, the transmit power of the current to-be-transmitted service by using the expected received power:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • PL represents the estimated link path loss.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the power spectral density corresponding to the current to-be-transmitted service is set, wherein, as the priority of the current to-be-transmitted service increases, the The value of the power spectral density is increased; and the transmission power of the current to-be-transmitted service is calculated by using the power spectral density.
  • the processor 300 is further configured to read the computer program, and calculate, according to the following formula, the transmit power of the current to-be-transmitted service by using the power spectral density:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • n represents the power spectral density offset of the PSCCH with respect to the PSSCH carrying the service to be transmitted
  • PL represents the estimated link path loss.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the priority of the first to-be-transmitted service is The priority of the second to-be-transmitted service is obtained; the preset total transmit power is obtained; the transmit power of the first to-be-transmitted service is determined; and in the remaining transmit power, the transmit power is determined for the second to-be-transmitted service And wherein the remaining transmit power is equal to the total transmit power minus the transmit power of the first to-be-transmitted service.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the second to-be-transmitted service is not transmitted
  • the transmit power is determined for the second to-be-transmitted service.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the processor 300 is further configured to read the computer program, and calculate the transmit power of the first to-be-transmitted service by using the expected received power according to the following formula, including:
  • P PSSCH represents the transmission power of the first to-be-transmitted service
  • M PSSCH represents the transmission bandwidth of the PSSCH
  • M PSCCH represents the transmission bandwidth of the PSCCH
  • P CMAX represents the maximum transmission power allowed by the UE
  • P O_PSSCH represents the transmission mode 3 or the transmission mode 4
  • the expected received power, ⁇ PSSCH represents the higher layer parameter in transmission mode 3 or transmission mode 4;
  • PL represents the estimated link path loss.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the transmit power of the first to-be-transmitted service is calculated by using the power spectral density.
  • the processor 300 is further configured to read the computer program, and calculate, according to the following formula, the transmit power of the first to-be-transmitted service by using the power spectral density:
  • the P PSSCH represents the transmission power of the first to-be-transmitted service
  • the M PSSCH represents the transmission bandwidth of the PSSCH
  • the M PSCCH represents the transmission bandwidth of the PSCCH
  • the P CMAX represents the maximum transmission power allowed by the UE
  • the P O_PSSCH, i represents the transmission mode 3 or the transmission.
  • n represents the power spectral density of the PSCCH relative to the PSSCH carrying the first to-be-transmitted service Offset
  • PL represents the estimated link path loss.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the power spectrum density of the current to-be-transmitted service is determined according to the priority information of the current to-be-transmitted service, where the priority of the current to-be-transmitted service is increased. And increasing the power spectral density; determining, according to the power spectral density, a transmit power of the current to-be-transmitted service.
  • the processor 300 is further configured to read the computer program, and perform the following steps:
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the priority of the first to-be-transmitted service is applied to the transmission mode 3 in the carrier aggregation scenario and the out-of-coverage transmission mode 4.
  • the first power spectrum of the first to-be-transmitted service is determined according to the priority of the first to-be-transmitted service and the priority of the second to-be-transmitted service, respectively.
  • a density and a second power spectral density of the second to-be-transmitted traffic wherein the first power spectral density is greater than the second power spectral density; determining from the first power spectral density and the second power spectral density, respectively Transmit power of the first to-be-transmitted service and transmit power of the second to-be-transmitted service.
  • a computer readable storage medium of an embodiment of the present disclosure is configured to store a computer program executable by a processor to implement the following steps:
  • the determining the transmission power of the current to-be-transmitted service according to the priority information of the current to-be-transmitted service, when the transmission mode 3 in the single-carrier scenario and the transmission mode 4 in the coverage are applied, includes:
  • the transmit power of the current to-be-transmitted service is calculated by using the expected received power.
  • the sending power of the current to-be-transmitted service is calculated by using the expected received power according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • PL represents the estimated link path loss.
  • the determining the transmission power of the current to-be-transmitted service according to the priority information of the current to-be-transmitted service, when the transmission mode 3 in the single-carrier scenario and the transmission mode 4 in the coverage are applied, includes:
  • the transmit power of the current to-be-transmitted service is calculated by using the power spectral density.
  • the power of the current to-be-transmitted service is calculated by using the power spectral density according to the following formula:
  • the P PSSCH indicates the transmission power of the current to-be-transmitted service
  • the M PSSCH indicates the transmission bandwidth of the PSSCH
  • the M PSCCH indicates the transmission bandwidth of the PSCCH
  • the P CMAX indicates the maximum transmission power allowed by the UE
  • the P O_PSSCH, i indicates the transmission mode 3 or the transmission mode.
  • n represents the power spectral density offset of the PSCCH with respect to the PSSCH carrying the service to be transmitted
  • PL represents the estimated link path loss.
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the first to-be-transmitted service is applied to the transmission mode 3 in the carrier aggregation scenario and the transmission mode 4 in the coverage.
  • the priority is higher than the priority of the second to-be-transmitted service;
  • Determining, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service including:
  • the transmit power is determined for the second to-be-transmitted service, where the remaining transmit power is equal to the total transmit power minus the transmit power of the first to-be-transmitted service.
  • the method further includes:
  • the second to-be-transmitted service is not transmitted
  • the transmit power is determined for the second to-be-transmitted service.
  • the determining the transmit power of the first to-be-transmitted service includes:
  • the calculating the transmit power of the first to-be-transmitted service by using the expected received power according to the following formula, including:
  • P PSSCH represents the transmission power of the first to-be-transmitted service
  • M PSSCH represents the transmission bandwidth of the PSSCH
  • M PSCCH represents the transmission bandwidth of the PSCCH
  • P CMAX represents the maximum transmission power allowed by the UE
  • P O_PSSCH represents the transmission mode 3 or the transmission mode 4
  • the expected received power, ⁇ PSSCH represents the higher layer parameter in transmission mode 3 or transmission mode 4;
  • PL represents the estimated link path loss.
  • the determining the transmit power of the first to-be-transmitted service includes:
  • the transmit power of the first to-be-transmitted service is calculated by using the power spectral density.
  • the power of the first to-be-transmitted service is calculated by using the power spectral density according to the following formula:
  • the P PSSCH represents the transmission power of the first to-be-transmitted service
  • the M PSSCH represents the transmission bandwidth of the PSSCH
  • the M PSCCH represents the transmission bandwidth of the PSCCH
  • the P CMAX represents the maximum transmission power allowed by the UE
  • the P O_PSSCH, i represents the transmission mode 3 or the transmission.
  • n represents the power spectral density of the PSCCH relative to the PSSCH carrying the first to-be-transmitted service Offset
  • PL represents the estimated link path loss.
  • the determining, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service includes:
  • the current to-be-transmitted service includes a first to-be-transmitted service and a second to-be-transmitted service, where the first to-be-transmitted service is applied to the transmission mode 3 in the carrier aggregation scenario and the out-of-coverage transmission mode 4.
  • the priority is higher than the priority of the second to-be-transmitted service;
  • Determining, according to the priority information of the current to-be-transmitted service, the sending power of the current to-be-transmitted service including:
  • the disclosed method and apparatus may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform part of the steps of the transceiving method of the various embodiments of the present disclosure.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention relève du domaine technique des communications, et concerne un procédé de régulation de puissance, un appareil, un dispositif, et un support de stockage lisible par ordinateur. Le procédé de régulation de puissance selon la présente invention consiste à : déterminer des informations de priorité d'un service actuel devant être transmis ; et, d'après les informations de priorité du service actuel devant être transmis, déterminer la puissance de transmission du service actuel devant être transmis.
PCT/CN2018/105187 2017-11-17 2018-09-12 Procédé de régulation de puissance, appareil, dispositif, et support de stockage lisible par ordinateur WO2019095807A1 (fr)

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