WO2015188513A1 - Procédé de commande de puissance, équipement d'utilisateur, station de base, système, et support d'informations - Google Patents

Procédé de commande de puissance, équipement d'utilisateur, station de base, système, et support d'informations Download PDF

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WO2015188513A1
WO2015188513A1 PCT/CN2014/087271 CN2014087271W WO2015188513A1 WO 2015188513 A1 WO2015188513 A1 WO 2015188513A1 CN 2014087271 W CN2014087271 W CN 2014087271W WO 2015188513 A1 WO2015188513 A1 WO 2015188513A1
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Prior art keywords
data
pucch
pusch
power
repeatedly transmitted
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PCT/CN2014/087271
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English (en)
Chinese (zh)
Inventor
陈宪明
戴博
鲁照华
夏树强
刘锟
石靖
方惠英
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中兴通讯股份有限公司
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Publication of WO2015188513A1 publication Critical patent/WO2015188513A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • 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
    • H04W52/12—Outer and inner loops

Definitions

  • the present invention relates to a wireless communication technology, and in particular, to a power control method, a user equipment, a base station, a system, and a storage medium.
  • Machine Type Communication also known as Machine to Machine (M2M) User Equipment (UE)
  • MTC Machine Type Communication
  • M2M Machine to Machine
  • UE User Equipment
  • GSM Global System of Mobile communication
  • the power control mechanism of the related art has a problem that the user equipment is low in energy efficiency and is not conducive to power saving of the user equipment in the MTC coverage enhancement scenario.
  • the embodiment of the present invention provides a power control method, a user equipment, a base station, a system, and a storage medium, and solves the problem that the power control mechanism of the related technology is low in energy efficiency of the user equipment and is not conducive to power saving of the user equipment in the MTC coverage enhancement scenario.
  • an embodiment of the present invention provides a power control method, where the method includes:
  • the repeatedly transmitted PUSCH data is transmitted with a power less than or equal to the maximum transmit power
  • the repeatedly transmitted PUCCH data is transmitted at a power less than or equal to the maximum transmit power
  • the K PUSCH and the K PUCCH are predefined values.
  • an embodiment of the present invention provides a power control method, where the method includes:
  • the K PUSCH and the K PUCCH are predefined values.
  • an embodiment of the present invention provides a user equipment, where the user equipment includes:
  • the detecting unit is configured to: when detecting that the number of repeated transmissions of the PUSCH data is greater than the K PUSCH , trigger the transmitting unit to transmit the repeatedly transmitted PUSCH data with a power less than or equal to the maximum transmit power; and detect the repeated transmission times of the PUCCH data.
  • K PUCCH triggering the transmitting unit to transmit the repeatedly transmitted PUCCH data with a power less than or equal to the maximum transmit power
  • the K PUSCH and the K PUCCH are predefined values.
  • an embodiment of the present invention provides a base station, where the base station includes: a second determining unit and a second transmitting unit;
  • the second determining unit is configured to determine, when the number of repeated transmissions of the user equipment PUSCH data is greater than the K PUSCH , the power control parameter of the repeatedly transmitted PUSCH data of the user equipment; and the repeated transmission of the PUCCH data of the user equipment When the number of times is greater than or K PUCCH , determining a power control parameter of the repeatedly transmitted PUCCH data of the user equipment;
  • the second transmitting unit is configured to transmit the power control parameter to a corresponding user equipment.
  • the K PUSCH and the K PUCCH are predefined values.
  • an embodiment of the present invention provides a power control system, where the system includes:
  • the user equipment is configured to: when the number of repeated transmissions of the PUSCH data is greater than the K PUSCH , send the repeatedly transmitted PUSCH data with a power less than or equal to the maximum transmit power; when the number of repeated transmissions of the PUCCH data is greater than the K PUCCH , the maximum is less than or equal to the maximum Transmitting the power of the power to transmit the repeatedly transmitted PUCCH data;
  • the K PUSCH and the K PUCCH are predefined values.
  • an embodiment of the present invention provides a computer storage medium, where the computer storage medium stores computer executable instructions, where the computer executable instructions are used to execute the power control method provided by the foregoing first embodiment; and or,
  • the computer executable instructions are further for performing the power control method provided by the second aspect embodiment.
  • the repeatedly transmitted PUSCH data is transmitted with a power less than or equal to the maximum transmission power; when the number of repeated transmissions of the PUCCH data is greater than the K PUCCH , less than or equal to The power of the maximum transmit power transmits the repeatedly transmitted PUCCH data; this avoids the problem that the user equipment always transmits at the maximum power, and solves the related power control mechanism, which reduces the energy efficiency of the user equipment in the MTC coverage enhancement scenario, and is disadvantageous to the user.
  • the problem of equipment power saving when the number of repeated transmissions of the PUSCH data is greater than the K PUSCH , the repeatedly transmitted PUSCH data is transmitted with a power less than or equal to the maximum transmission power; when the number of repeated transmissions of the PUCCH data is greater than the K PUCCH , less than or equal to The power of the maximum transmit power transmits the repeatedly transmitted PUCCH data; this avoids the problem that the user equipment always transmits at the maximum power, and solves the related power control mechanism, which reduces the energy efficiency of the user
  • FIG. 1 is a schematic diagram 1 of an implementation flow of a power control method according to an embodiment of the present invention
  • FIG. 2 is a second schematic diagram of an implementation flow of a power control method according to an embodiment of the present invention.
  • FIG. 3 is a functional structural diagram of a user equipment in an embodiment of the present invention.
  • FIG. 4 is a functional structural diagram of a base station in an embodiment of the present invention.
  • FIG. 5 is a schematic illustration of a power control system in accordance with an embodiment of the present invention.
  • the power control mechanism of the physical uplink control channel (PUCCH, Physical Uplink Control Channel) of the existing LTE system is as follows:
  • P T,PUCCH min ⁇ P MAX ,P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,(1)
  • PUCCH represents the actual transmit power of the PUCCH data
  • the unit is decibel milliwatts (dBm)
  • P MAX represents the maximum transmit power of the user equipment (unit is dBm, for example, 23dBm)
  • P O_PUCCH represents the PUCCH data of one transmission.
  • P O_PUCCH is a cell-specific nominal parameter P O_NOMINAL_PUCCH notified to the user equipment through higher layer signaling, and a user-specific (UE-specific) parameter P O_UE_PUCCH (in dBm)
  • PL DL represents the estimated downlink loss of the user equipment (in dB)
  • ⁇ Format is the power offset (in dB) related to the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed-loop power control command from the network ( The unit is dB).
  • the power control mechanism of the Physical Uplink Shared Channel (PUSCH) of the existing LTE system is as follows:
  • P T,PUSCH min ⁇ P MAX ,P O_PUSCH + ⁇ PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇ ,(2)
  • PUSCH represents the actual transmit power of the PUSCH data (in dBm)
  • P MAX represents the maximum user equipment transmit power (in dBm, eg, 23 dBm)
  • P O_PUSCH represents the expected received power of the PUSCH data transmitted at a time
  • ⁇ ⁇ 1 indicates part of the path loss compensation, that is, the increased path loss is not fully compensated by the corresponding increase of the transmission power
  • PL DL represents the downlink loss (in dB) estimated by the user equipment
  • M represents the occupation of the PUSCH data transmission.
  • the number of resource blocks, ⁇ MCS represents the power offset of the Modulation and Coding Scheme (MCS) dependent on the PUSCH data
  • the closed loop power control command field for PUSCH or PUCCH data power control includes 2 bits or 1 bit, corresponding to 4 types (corresponding to 2 bits) or 2 kinds of value sizes (corresponding to 1 bit),
  • the ⁇ The PUSCH is a specific value corresponding to the closed-loop power control command field for PUSCH data power control
  • the ⁇ PUCCH is a specific value corresponding to the closed-loop power control command field for PUCCH data power control.
  • the uplink physical channel that needs to be enhanced includes two channels, a physical uplink shared channel PUSCH and a physical uplink control channel PUCCH.
  • the method of repeated transmission (for uplink, the repeated transmission is specifically a repeated transmission of PUSCH or PUCCH) is generally used to accumulate energy of sufficient useful signals to achieve coverage enhancement.
  • the power control mechanism in the related art is only designed preferentially for one transmission of PUSCH data or PUCCH data, there is no excessive consideration or optimization of PUSCH data or PUCCH data repetition transmission, and in the MTC coverage enhancement scenario, user equipment estimation Or the measured downlink path loss PL DL is usually extremely large, so if the PUCCH and PUSCH power control mechanisms shown in equations (1) and (2) provided by the related art are still used in the case of repeated transmission, the user equipment will be The PUCCH and PUSCH data are always transmitted at the maximum power P MAX in all subframes for PUCCH and PUSCH repeated transmission. Considering the control overhead, the user equipment in the MTC coverage enhancement mode may not support any potential PUCCH or PUSCH repetition times.
  • the number of PUSCH repetitions actually required by a certain MTC user equipment is X times according to the maximum transmission power P MAX of the user equipment and the desired coverage.
  • P MAX maximum transmission power
  • the user equipment does not support X times, only Y times are supported.
  • Repeated transmission of PUSCH where Y is the minimum of all PUSCH repeated transmission times greater than X supported by the user equipment.
  • the user equipment can only select to perform Y PUSCH repeated transmission; However, this will result in unnecessary power consumption by the user equipment in subsequent YX repeated transmissions, thereby reducing the energy efficiency of the user equipment and ultimately degrading the power saving of the user equipment.
  • similar problems exist for repeated transmission of PUCCH.
  • the embodiment of the present invention describes a power control method, which can be applied to a user equipment (also referred to as a terminal) in an MTC coverage enhancement scenario.
  • a user equipment also referred to as a terminal
  • the power control method according to the embodiment of the present invention includes the following steps:
  • Step 101 When the number of repeated transmissions of the PUSCH data is greater than the K PUSCH , the repeatedly transmitted PUSCH data is transmitted with a power less than or equal to the maximum transmission power.
  • Step 102 when the number of repetitions of transmission of the PUCCH PUCCH data is greater than K, less than or equal to the power of the transmission data is repeated transmission PUCCH maximum transmit power.
  • the K PUSCH and the K PUCCH are predefined values.
  • the method before the sending the repeatedly transmitted PUSCH data, the method further includes:
  • the actual transmission power of the repeatedly transmitted PUSCH data is determined according to the power control parameter of the repeatedly transmitted PUSCH data or the repeated transmission number N PUSCH of the repeated transmission of the PUSCH data.
  • the power control parameter packet of the repeatedly transmitted PUSCH data include:
  • the user equipment-specific parameters include:
  • the parameters set for repeatedly transmitting PUSCH data include at least one of the following:
  • first power offset parameter P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data and a second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data; wherein the units of the first power offset parameter and the second power offset parameter are Decibel (dB) and the value is less than or equal to 0.
  • the determining, according to the power control parameter of the repeatedly transmitted PUSCH data, the actual transmit power of the repeatedly transmitted PUSCH data including:
  • the actual transmit power of the repeatedly transmitted PUSCH data is determined according to the expected received power P O_RPUSCH parameter of the repeatedly transmitted PUSCH data and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data (in dBm)
  • P MAX represents the maximum transmit power (in dBm, such as 23dBm)
  • P O_RPUSCH represents the expected received power of the repeatedly transmitted PUSCH data ( The unit is dBm)
  • PL DL represents the downlink path loss estimation
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset of the modulation coding scheme MCS depending on the PUSCH data
  • ⁇ PUSCH corresponds to the network from the network. Clear closed loop power control commands.
  • the expected received power P O_RPUSCH of the repeatedly transmitted PUSCH data is usually lower than -100 dBm, so the value range of the parameter P O_RPUSCH should be kept sufficiently extended.
  • the power control parameter according to the repeatedly transmitted PUSCH data Number, determining the actual transmit power of the repeatedly transmitted PUSCH data including:
  • the actual transmit power of the repeatedly transmitted PUSCH data is determined according to the path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P O_PUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_PUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUSCH represents The path loss compensation factor of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control command from the network.
  • the determining, according to a power control parameter of the repeatedly transmitted PUSCH data, determining an actual transmit power of the repeatedly transmitted PUSCH data including:
  • the actual transmit power of the repeatedly transmitted PUSCH data is determined according to the expected received power P O_PUSCH of the repeatedly transmitted PUSCH data and the path loss compensation factor parameter ⁇ RPUSCH of the repeatedly transmitted PUSCH data, and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the repeatedly transmitted PUSCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUSCH represents The path loss compensation factor of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset of the MCS depending on the PUSCH data
  • ⁇ PUSCH corresponds to the explicit closed loop power control from the network command.
  • the power control parameter according to the repeatedly transmitted PUSCH data Number, determining the actual transmit power of the repeatedly transmitted PUSCH data including:
  • the first repeat transmission power offset parameter of the PUSCH data P RPUSCH_OFFSET_1, and the following equation to determine the actual transmission power of the PUSCH data is repeated transmission:
  • P T,RPUSCH min ⁇ P MAX ,P'+P RPUSCH_OFFSET_1 ⁇
  • P ' P O_PUSCH + PL DL + 10 ⁇ log 10 (M) + ⁇ MCS + ⁇ PUSCH,
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • M represents once The number of resource blocks occupied by PUSCH data transmission
  • ⁇ MCS indicates the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control command from the network.
  • the determining, according to a power control parameter of the repeatedly transmitted PUSCH data, determining an actual transmit power of the repeatedly transmitted PUSCH data including:
  • the actual transmit power of the repeatedly transmitted PUSCH data is determined according to the second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data, and the following equation:
  • P' min ⁇ P MAX , P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇ ;
  • RPUSCH P MAX + P RPUSCH_OFFSET_2 ,
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • P RPUSCH_OFFSET_2 represents The second power offset parameter of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset of the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control from the network command.
  • P T,RPUSCH P'+P RPUSCH_OFFSET_2
  • P' min ⁇ P MAX , P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇ ,
  • P T, RPUSCH P MAX + P RPUSCH_OFFSET_2 ; considering the actual transmit power P T of the repeatedly transmitted PUSCH data , the RPUSCH and the maximum user equipment transmit power P MAX usually have little difference, so to save the downlink control overhead, a second power offset value of the parameter P RPUSCH_OFFSET_2 required to support a sufficiently large expansion.
  • the size of the ⁇ PUSCH does not affect the above P' Always equal to the maximum power P MAX , so that the existing closed-loop power control command will lose its meaning in this case; therefore, for the user equipment in the MTC coverage enhancement scenario, the existing closed-loop power control command field can be reused by the network.
  • the user equipment determines the transmit power P T, RPUSCH of the repeatedly transmitted PUSCH data according to the power control parameter of the repeatedly transmitted PUSCH data from the network, which is beneficial to the network according to the measurement results of interference and noise and path loss (for example, in a continuous period of time)
  • the continuous statistics and averages within the system adjust the transmission power of the user equipment under the determined number of repeated transmissions N PUSCH in time, thereby improving the flexibility of the uplink power control and facilitating power saving.
  • the power control parameter according to the repeatedly transmitted PUSCH data Number, determining the actual transmit power of the repeatedly transmitted PUSCH data including:
  • the actual transmit power of the repeatedly transmitted PUSCH data is determined according to the number of repeated transmissions N PUSCH of the repeatedly transmitted PUSCH data and the following equation:
  • P T, RPUSCH min ⁇ P MAX , P'-10 ⁇ log 10 (N PUSCH ) ⁇
  • P' P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ,
  • P T, RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • M represents once
  • ⁇ MCS represents the power offset of the MCS depending on the PUSCH data
  • ⁇ PUSCH corresponds to an explicit closed loop power control command from the network.
  • the user equipment determines the transmit power P T, RPUSCH of the repeatedly transmitted PUSCH data according to the number of repeated transmissions N PUSCH , which simplifies the implementation complexity of the network and saves downlink control signaling overhead.
  • the method when the pilot symbol is transmitted, the method further includes:
  • the method further includes:
  • the repeatedly transmitted PUSCH data is transmitted according to an existing power control mechanism, or the repeatedly transmitted PUSCH data is always transmitted at the maximum power.
  • the method before the sending the repeatedly transmitted PUCCH data, the method further includes:
  • the transmission power of the repeatedly transmitted PUCCH data is determined according to the power control parameter of the repeatedly transmitted PUCCH data or the repeated transmission times N PUCCH of the PUCCH data.
  • the power control parameters of the repeatedly transmitting PUCCH data include
  • the user equipment-specific parameters include:
  • the parameters set for repeatedly transmitting PUCCH data include at least one of the following:
  • first power offset parameter P RPUCCH_OFFSET_1 of the repeatedly transmitted PUCCH data and a second power offset parameter P RPUCCH_OFFSET_2 of the repeatedly transmitted PUCCH data; wherein the units of the first power offset parameter and the second power offset parameter are dB and the value is less than or equal to 0.
  • the determining, according to the power control parameter of the repeatedly transmitted PUCCH data, the actual transmit power of the repeatedly transmitted PUCCH data including:
  • the actual transmit power of the repeatedly transmitted PUCCH data is determined according to the expected received power P O_RPUCCH parameter of the repeatedly transmitted PUCCH data and the following equation:
  • P T, RPUCCH min ⁇ P MAX , P O_RPUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power (in dBm)
  • P O_RPUCCH represents the expected received power of the repeatedly transmitted PUCCH data (in dBm)
  • PL DL represents the downlink path loss estimate
  • ⁇ Format represents the power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed-loop power control command from the network; in the actual case, the expected received power of the repeatedly transmitted PUCCH data P O_RPUCCH is usually Below -100dBm, so the value range of P O_RPUCCH should be kept wide enough.
  • the determining, according to the power control parameter of the repeatedly transmitted PUCCH data, the actual transmit power of the repeatedly transmitted PUCCH data including:
  • the actual transmit power of the repeatedly transmitted PUCCH data is determined according to the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation:
  • P T,RPUCCH min ⁇ P MAX ,P O_PUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUCCH represents The path loss compensation factor of the repeatedly transmitted PUCCH data
  • ⁇ Format represents the power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed loop power control command from the network.
  • the determining, according to the power control parameter of the repeatedly transmitted PUCCH data, the actual transmit power of the repeatedly transmitted PUCCH data including:
  • the actual transmit power of the repeatedly transmitted PUCCH data is determined according to the expected received power P O_RPUCCH of the repeatedly transmitted PUCCH data, the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation:
  • P T,RPUCCH min ⁇ P MAX ,P O_RPUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the repeatedly transmitted PUCCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUCCH represents The path loss compensation factor of the repeatedly transmitted PUCCH data
  • ⁇ Format represents the power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed loop power control command from the network.
  • the determining, according to the power control parameter of the repeatedly transmitted PUCCH data, the actual transmit power of the repeatedly transmitted PUCCH data including:
  • the actual transmit power of the repeatedly transmitted PUCCH data is determined according to the first power offset parameter P RPUCCH_OFFSET_1 of the repeatedly transmitted PUCCH data, and the following equation:
  • P T,RPUCCH min ⁇ P MAX ,P'+P RPUCCH_OFFSET_1 ⁇
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format is The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the determining, according to the power control parameter of the repeatedly transmitted PUCCH data, the actual transmit power of the repeatedly transmitted PUCCH data including:
  • the actual transmit power of the repeatedly transmitted PUCCH data is determined according to the second power offset parameter P RPUCCH_OFFSET_2 of the repeatedly transmitted PUCCH data and the following equation:
  • P' min ⁇ P MAX , P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format is PUCCH format associated with the power offset, ⁇ PUCCH corresponding to clear the closed loop power control commands from the network.
  • P' min ⁇ P MAX , P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • the RPUCCH and the maximum user equipment transmit power P MAX usually have little difference, so to save the downlink control overhead, the value of the second power offset parameter P RPUCCH_OFFSET_2 There is no need to support a sufficiently large extension.
  • the size of the ⁇ PUCCH does not affect the above P' Always equal to the maximum power P MAX , that is, the existing closed-loop power control command will lose its meaning in this case; therefore, for the user equipment in the MTC coverage enhancement scenario, the existing closed-loop power control command field can be used by the network. Reuse as the second power offset P RPUCCH_OFFSET_2 field.
  • the user equipment determines the transmit power P T, RPUCCH of the repeatedly transmitted PUCCH data according to the power control parameter of the repeatedly transmitted PUCCH data from the network, which is beneficial to the network according to the measurement results of interference and noise and path loss (for example, in a continuous period of time)
  • the continuous statistics and averaging within the time) adjust the transmission power of the user equipment under the determined number of repeated transmissions N PUCCH in time, thereby improving the flexibility of the uplink power control and facilitating power saving.
  • the determining, according to the power control parameter of the repeatedly transmitted PUCCH data, the actual transmit power of the repeatedly transmitted PUCCH data including:
  • the actual transmit power of the repeatedly transmitted PUCCH data is determined according to the number of repeated transmissions N PUCCH of the repeatedly transmitted PUCCH data and the following equation:
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • P T RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format represents The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the user equipment determines the transmit power P T, RPUCCH of the repeatedly transmitted PUCCH data according to the number of repeated transmissions N PUCCH , which simplifies the implementation complexity of the network and saves downlink control signaling overhead.
  • the method when the pilot symbol is transmitted, the method further includes:
  • the method further includes:
  • the repeatedly transmitted PUCCH data is transmitted according to an existing power control mechanism; or, the repeatedly transmitted PUCCH data is always transmitted at the maximum power.
  • the selection of the uplink power control mechanism includes the following three methods in the specific implementation process: mode 1, the repeatedly transmitted PUCCH data is always provided according to the related technology (the foregoing has been explained) uplink power.
  • the control mechanism may always transmit at the maximum power, but the repeatedly transmitted PUSCH data may be transmitted according to the network configuration according to the new uplink power control mechanism according to the embodiment of the present invention to implement optimization for repeated PUSCH transmission;
  • the repeatedly transmitted PUSCH data is always transmitted according to the uplink power control mechanism of the existing (that is, the related art) or the maximum power is transmitted, but the repeatedly transmitted PUCCH data may be performed according to the network configuration according to the uplink power control mechanism described in the embodiment of the present invention.
  • the transmission is performed to implement the optimization for the repeated PUCCH transmission.
  • the third, the repeatedly transmitted PUCCH and the PUSCH data may be transmitted according to the network configuration according to the uplink power control mechanism described in the embodiment of the present invention to implement the PUCCH and PUSCH transmission for repeated transmission. Optimization.
  • the embodiment of the present invention further describes a power control method, which can be applied to a base station side (also referred to as a network side) in an MTC coverage enhancement scenario, as shown in FIG. 2 .
  • the power control method described in the embodiment of the present invention has the following steps:
  • Step 201 When the number of repeated transmissions of the PUSCH data of the user equipment is greater than the K PUSCH , notify the user equipment of the power control parameters of the repeatedly transmitted PUSCH data.
  • Step 202 When the number of repeated transmissions of the PUCCH data of the user equipment is greater than the K PUCCH , notify the user equipment of the power control parameters of the repeatedly transmitted PUCCH data.
  • step 201 and step 202 are in no particular order.
  • the power control parameter for repeatedly transmitting PUSCH data includes:
  • the parameters set for repeatedly transmitting PUSCH data include at least one of the following:
  • the first power offset parameter P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data, and the second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data are identical to each other.
  • the power control parameter for repeatedly transmitting PUCCH data includes:
  • the parameters set for repeatedly transmitting PUCCH data include at least one of the following:
  • the first power offset parameter P RPUCCH_OFFSET_1 of the repeatedly transmitted PUCCH data, and the second power offset parameter P RPUCCH_OFFSET_2 of the repeatedly transmitted PUSCH data are identical to each other.
  • the embodiment of the invention further describes a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the power control method shown in FIG. 1 or FIG.
  • the embodiment of the invention further describes a user equipment.
  • the user equipment includes: a detecting unit 31 and a transmitting unit 32; wherein
  • the user equipment further includes:
  • the first determining unit 33 is configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the power control parameter of the repeatedly transmitted PUSCH data or the repeated transmission times N PUSCH of the repeatedly transmitted PUSCH data;
  • the transmitting unit 32 is further configured to transmit the repeatedly transmitted PUSCH data according to the actual transmit power.
  • the power control parameters of the repeatedly transmitted PUSCH data include:
  • the user equipment-specific parameters include:
  • the parameters set for repeatedly transmitting PUSCH data include at least one of the following:
  • the first power offset parameter P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data, and the second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data are identical to each other.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to a desired received power P O_RPUSCH parameter of the repeatedly transmitted PUSCH data and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the repeatedly transmitted PUSCH data
  • PL DL represents the downlink path loss estimate
  • M represents the primary PUSCH
  • ⁇ MCS represents the power offset of the modulation coding scheme MCS dependent on the PUSCH data
  • the ⁇ PUSCH corresponds to an explicit closed loop power control command from the network.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data, and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P O_PUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_PUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUSCH represents The path loss compensation factor of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control command from the network.
  • the first determination unit 33 is further configured according to the path loss compensation factor parameter ⁇ RPUSCH desired repeated transmission data received PUSCH power parameter P O_PUSCH PUSCH and the repeated transmission data, and the following equation, is determined
  • the actual transmit power of the repeatedly transmitted PUSCH data is determined
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the repeatedly transmitted PUSCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUSCH represents The path loss compensation factor of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset of the MCS depending on the PUSCH data
  • ⁇ PUSCH corresponds to the explicit closed loop power control from the network command.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the first power offset parameter P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data, and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P'+P RPUSCH_OFFSET_1 ⁇
  • P' P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ,
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • M represents once The number of resource blocks occupied by PUSCH data transmission
  • ⁇ MCS indicates the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control command from the network.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the second power offset parameter P RPUSCH_OFFSET_2 that repeatedly transmits the PUSCH data, and the following equation:
  • P' min ⁇ P MAX , P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇ ;
  • RPUSCH P MAX + P RPUSCH_OFFSET_2 ,
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • P RPUSCH_OFFSET_2 represents The second power offset parameter of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control from the network command.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the repeated transmission times N PUSCH of the repeatedly transmitted PUSCH data and the following equation:
  • P T, RPUSCH min ⁇ P MAX , P'-10 ⁇ log 10 (N PUSCH ) ⁇
  • P' P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ,
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • M represents once The number of resource blocks occupied by PUSCH data transmission
  • ⁇ MCS represents the power offset of the MCS depending on the PUSCH data
  • ⁇ PUSCH corresponds to an explicit closed loop power control command from the network.
  • the transmitting unit 32 is further configured to: when transmitting a pilot symbol, transmit the pilot symbol with the same transmit power as the repeatedly transmitted PUSCH data symbol, or: The symbol is always transmitted at maximum power.
  • the transmitting unit 32 is further configured to transmit the repeatedly transmitted PUSCH data according to an existing power control mechanism before the RRC connection is established, or transmit the repeatedly transmitted PUSCH data at the maximum power.
  • the first determining unit 33 is further configured to determine, according to a power control parameter for repeatedly transmitting PUCCH data, a transmit power of the repeatedly transmitted PUCCH data; or, according to the repeated transmission times N PUCCH of the repeatedly transmitted PUCCH data, The transmit power of the repeatedly transmitted PUCCH data.
  • the power control parameters of the repeatedly transmitted PUCCH data include user equipment-specific parameters notified by the network.
  • the user equipment-specific parameters include:
  • the parameters set for repeatedly transmitting PUCCH data include at least one of the following:
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to a desired received power P O_RPUCCH parameter of the repeatedly transmitted PUCCH data and the following equation:
  • P T, RPUCCH min ⁇ P MAX , P O_RPUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the repeatedly transmitted PUCCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ Format represents The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation:
  • P T,RPUCCH min ⁇ P MAX ,P O_PUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUCCH represents The path loss compensation factor of the repeatedly transmitted PUCCH data
  • ⁇ Format represents the power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed loop power control command from the network.
  • the first determining unit 33 is further configured to determine the repeatedly transmitted PUCCH data according to the expected received power P O_RPUCCH of the repeatedly transmitted PUCCH data, the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation.
  • Actual transmit power P O_RPUCCH of the repeatedly transmitted PUCCH data, the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation.
  • P T,RPUCCH min ⁇ P MAX ,P O_RPUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the repeatedly transmitted PUCCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUCCH represents The path loss compensation factor of the PUCCH data is repeatedly transmitted
  • ⁇ Format represents the power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed loop power control command from the network.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to the first power offset parameter P RPUCCH_OFFSET_1 of the repeatedly transmitted PUCCH data, and the following equation:
  • P T,RPUCCH min ⁇ P MAX ,P'+P RPUCCH_OFFSET_1 ⁇
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format is The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to the second power offset parameter P RPUCCH_OFFSET_2 of the repeatedly transmitted PUCCH data, and the following equation:
  • P' min ⁇ P MAX , P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • the actual transmit power of the repeatedly transmitted PUCCH data is determined according to the following equation:
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format is PUCCH format associated with the power offset, ⁇ PUCCH corresponding to clear the closed loop power control commands from the network.
  • the first determining unit 33 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to the repeated transmission times N PUCCH of the repeatedly transmitted PUCCH data and the following equation:
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format represents The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the transmitting unit 32 is further configured to: when transmitting a pilot symbol, transmit the pilot symbol at the same transmit power as the repeatedly transmitted PUCCH data symbol, or: The symbol is always transmitted at maximum power.
  • the transmitting unit 32 is further configured to be before the RRC connection is established.
  • the repeatedly transmitted PUCCH data is transmitted according to an existing power control mechanism; or, the repeatedly transmitted PUCCH data is always transmitted at the maximum power.
  • the detecting unit 31 and the first determining unit 33 may be a central processing unit (CPU), a digital signal processor (DSP), or a field programmable gate array (FPGA, Field) in the user equipment.
  • Programmable Gate Array the transmitting unit 32 can be implemented by a transmitter in the user equipment;
  • the embodiment of the present invention further describes a base station, which can perform power control in an MTC coverage enhancement scenario.
  • the base station includes: a second determining unit 41 and a second transmitting unit 42;
  • the second determining unit 41 is configured to: when the number of repeated transmissions of the user equipment PUSCH data is greater than the K PUSCH , determine a power control parameter of the repeatedly transmitted PUSCH data of the user equipment; when the user equipment is Determining, by the user equipment, a power control parameter of the repeatedly transmitted PUCCH data when the number of repeated transmissions of the PUCCH data is greater than or K PUCCH ;
  • the second transmitting unit 42 is configured to transmit the power control parameter to a corresponding user equipment.
  • the power control parameter for repeatedly transmitting PUSCH data includes:
  • the parameters set for repeatedly transmitting PUSCH data include at least one of the following:
  • the first power offset parameter P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data, and the second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data are identical to each other.
  • the power control parameter for repeatedly transmitting PUCCH data includes:
  • the parameters set for repeatedly transmitting PUCCH data include at least one of the following:
  • the embodiment of the invention further describes a power control system, which can be applied in an MTC coverage enhancement scenario, as shown in FIG. 5, including:
  • the user equipment 51 is configured to: when the number of repeated transmissions of the PUSCH data is greater than the K PUSCH , transmit the repeatedly transmitted PUSCH data with a power less than or equal to the maximum transmit power; when the number of repeated transmissions of the PUCCH data is greater than the K PUCCH , the identifier is less than or equal to The power of the maximum transmit power transmits the repeatedly transmitted PUCCH data; wherein the K PUSCH and the K PUCCH are predefined values.
  • the system further includes: a base station 52, a power control parameter configured to notify the user equipment 51 of the repeatedly transmitted PUSCH data when the number of repeated transmissions of the PUSCH data of the user equipment 51 is greater than the K PUSCH ; when the PUCCH of the user equipment 51 is PUCCH When the number of repeated transmissions of data is greater than or K PUCCH , the power control parameter of the PUCCH data that is repeatedly transmitted by the user equipment 51 is notified.
  • the user equipment 51 is further configured to: before transmitting the repeatedly transmitted PUSCH data, determining the repeatedly transmitted PUSCH data according to the power control parameter of repeatedly transmitting the PUSCH data or the repeated transmission times N PUSCH of repeatedly transmitting the PUSCH data. Actual transmit power.
  • the power control parameters of the repeatedly transmitted PUSCH data include:
  • the first power offset parameter P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data, and the second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data are identical to each other.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to a desired received power P O_RPUSCH parameter of the repeatedly transmitted PUSCH data and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the repeatedly transmitted PUSCH data
  • PL DL represents the downlink path loss estimate
  • M represents the primary PUSCH
  • ⁇ MCS represents the power offset of the modulation coding scheme MCS dependent on the PUSCH data
  • the ⁇ PUSCH corresponds to an explicit closed loop power control command from the network.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data, and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P O_PUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_PUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUSCH represents The path loss compensation factor of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control command from the network.
  • the user equipment 51 is further configured to determine a repetition according to a desired received power parameter P O_PUSCH of the repeatedly transmitted PUSCH data and a path loss compensation factor parameter ⁇ RPUSCH of the repeatedly transmitted PUSCH data, and the following equation.
  • Actual transmit power of transmitted PUSCH data P O_PUSCH of the repeatedly transmitted PUSCH data and a path loss compensation factor parameter ⁇ RPUSCH of the repeatedly transmitted PUSCH data, and the following equation.
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the repeatedly transmitted PUSCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUSCH represents The path loss compensation factor of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset of the MCS depending on the PUSCH data
  • ⁇ PUSCH corresponds to the explicit closed loop power control from the network command.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the first power offset parameter P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data, and the following equation:
  • P T,RPUSCH min ⁇ P MAX ,P'+P RPUSCH_OFFSET_1 ⁇
  • P ' P O_PUSCH + PL DL + 10 ⁇ log 10 (M) + ⁇ MCS + ⁇ PUSCH,
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • M represents once The number of resource blocks occupied by PUSCH data transmission
  • ⁇ MCS indicates the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control command from the network.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data, and the following equation:
  • P' min ⁇ P MAX , P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇ ; or,
  • the actual transmit power of the repeatedly transmitted PUSCH data is determined according to the second power offset parameter P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data, and the following equation:
  • RPUSCH P MAX + P RPUSCH_OFFSET_2 ,
  • RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • P RPUSCH_OFFSET_2 represents The second power offset parameter of the repeatedly transmitted PUSCH data
  • M represents the number of resource blocks occupied by the primary PUSCH data transmission
  • ⁇ MCS represents the power offset dependent on the PUSCH data MCS
  • ⁇ PUSCH corresponds to the explicit closed loop power control from the network command.
  • the user equipment determines the transmit power P T, RPUSCH of the repeatedly transmitted PUSCH data according to the power control parameter of the repeatedly transmitted PUSCH data from the network, which is beneficial to the network according to the measurement results of interference and noise and path loss (for example, in a continuous period of time)
  • the continuous statistics and averaging within the system adjust the transmission power of the user equipment under the determined number of repeated transmissions N PUSCH in time, thereby improving the flexibility of the uplink power control and facilitating the power saving of the user equipment.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUSCH data according to the repeated transmission times N PUSCH of the repeatedly transmitted PUSCH data, and the following equation:
  • P T, RPUSCH min ⁇ P MAX , P'-10 ⁇ log 10 (N PUSCH ) ⁇
  • P ' P O_PUSCH + PL DL + 10 ⁇ log 10 (M) + ⁇ MCS + ⁇ PUSCH,
  • P T, RPUSCH represents the actual transmit power of the repeatedly transmitted PUSCH data
  • P MAX represents the maximum transmit power
  • P O_RPUSCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • M represents once
  • ⁇ MCS represents the power offset of the MCS depending on the PUSCH data
  • ⁇ PUSCH corresponds to an explicit closed loop power control command from the network.
  • the user equipment determines the transmit power P T, RPUSCH of the repeatedly transmitted PUSCH data according to the number of repeated transmissions N PUSCH , which simplifies the implementation complexity of the network and saves the downlink control signaling overhead.
  • the user equipment 51 is further configured to: when transmitting a pilot symbol, transmit the pilot symbol with the same transmit power as the repeatedly transmitted PUSCH data symbol, or: The symbol is always transmitted at maximum power.
  • the user equipment 51 is further configured to transmit the repeatedly transmitted PUSCH data according to an existing power control mechanism before the RRC connection is established, or transmit the repeatedly transmitted PUSCH data at the maximum power.
  • the user equipment 51 is further configured to: before transmitting the repeatedly transmitted PUCCH data, determine, according to the power control parameter of the repeatedly transmitted PUCCH data, the transmit power of the repeatedly transmitted PUCCH data; or, according to the repetition of repeatedly transmitting the PUCCH data
  • the number of transmissions N PUCCH determines the transmission power of the repeatedly transmitted PUCCH data.
  • the power control parameter of the repeatedly transmitted PUCCH data includes parameters specific to the user equipment 51 notified by the network; the power control parameters of the repeatedly transmitted PUCCH data, including: parameters set for repeatedly transmitting PUCCH data
  • the parameters set for repeatedly transmitting PUCCH data include at least one of the following:
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to a desired received power P O_RPUCCH parameter of the repeatedly transmitted PUCCH data and the following equation:
  • P T, RPUCCH min ⁇ P MAX , P O_RPUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the repeatedly transmitted PUCCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ Format represents The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to a path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation:
  • P T,RPUCCH min ⁇ P MAX ,P O_PUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUCCH represents The path loss compensation factor of the repeatedly transmitted PUCCH data
  • ⁇ Format represents the power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed loop power control command from the network.
  • the user equipment 51 is further configured to determine the repeatedly transmitted PUCCH data according to the expected received power P O_RPUCCH of the repeatedly transmitted PUCCH data, the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation.
  • Actual transmit power P O_RPUCCH of the repeatedly transmitted PUCCH data, the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and the following equation.
  • P T,RPUCCH min ⁇ P MAX ,P O_RPUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the repeatedly transmitted PUCCH data
  • PL DL represents the downlink path loss estimate
  • ⁇ RPUCCH represents The path loss compensation factor of the repeatedly transmitted PUCCH data
  • ⁇ Format represents the power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to the explicit closed loop power control command from the network.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to the first power offset parameter P RPUCCH_OFFSET_1 of the repeatedly transmitted PUCCH data, and the following equation:
  • P T,RPUCCH min ⁇ P MAX ,P'+P RPUCCH_OFFSET_1 ⁇
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format is The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to the second power offset parameter P RPUCCH_OFFSET_2 of the repeatedly transmitted PUCCH data and the following equation:
  • P' min ⁇ P MAX , P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUSCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format is PUCCH format associated with the power offset, ⁇ PUCCH corresponding to clear the closed loop power control commands from the network.
  • the user equipment determines the transmit power P T, RPUCCH of the repeatedly transmitted PUCCH data according to the power control parameters of the repeatedly transmitted PUCCH data from the network, which facilitates the network according to the measurement results of interference and noise and path loss (for example, in continuous time periods)
  • the continuous statistics and averaging within the time adjust the transmission power of the user equipment under the determined number of repeated transmissions N PUCCH in time, thereby improving the flexibility of the uplink power control and facilitating power saving.
  • the user equipment 51 is further configured to determine an actual transmit power of the repeatedly transmitted PUCCH data according to the repeated transmission times N PUCCH of the repeatedly transmitted PUCCH data and the following equation:
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • P T RPUCCH represents the actual transmit power of the repeatedly transmitted PUCCH data
  • P MAX represents the maximum transmit power
  • P O_RPUCCH represents the expected received power of the PUCCH data transmitted once
  • PL DL represents the downlink path loss estimate
  • ⁇ Format represents The power offset associated with the PUCCH format
  • ⁇ PUCCH corresponds to an explicit closed loop power control command from the network.
  • the user equipment determines the transmit power P T, RPUCCH of the repeatedly transmitted PUCCH data according to the number of repeated transmissions N PUCCH , which simplifies the implementation complexity of the network and saves downlink control signaling overhead.
  • the user equipment 51 is further configured to: when transmitting a pilot symbol, transmit the pilot symbol at the same transmit power as the repeatedly transmitted PUCCH data symbol, or use the pilot symbol Always transmit at maximum power.
  • the user equipment 51 is further configured to transmit the repeatedly transmitted PUCCH data according to an existing power control mechanism before the RRC connection is established; or, the PUCCH data that is repeatedly transmitted is always transmitted at the maximum power.
  • the selection of the uplink power control mechanism includes the following three methods in the specific implementation process: First, the repeatedly transmitted PUCCH data is always performed according to the existing uplink power control mechanism or always at the maximum power P MAX .
  • the PUSCH data that is transmitted but repeatedly transmitted may be transmitted according to the network configuration according to the new uplink power control mechanism according to the embodiment of the present invention to implement optimization for repeated PUSCH transmission.
  • the repeatedly transmitted PUSCH data is always in accordance with the existing The uplink power control mechanism may always transmit at the maximum power P MAX , but the repeatedly transmitted PUCCH data may be transmitted according to the network configuration according to the new uplink power control mechanism according to the embodiment of the present invention to implement optimization for repeated PUCCH transmission.
  • the repeatedly transmitted PUCCH or PUSCH data may be transmitted according to the network configuration according to the new uplink power control mechanism according to the embodiment of the present invention to implement optimization for repeated PUCCH or PUSCH transmission.
  • the network determines a power level of the noise and a power level of the interference from the neighboring cell, and determines an uplink path loss according to at least one of the following: an uplink sounding reference signal (SRS, Sounding Reference Signal) from the user equipment; Access (RA, Random Access) signal; feedback from the user equipment regarding downlink path loss measurements.
  • SRS uplink sounding reference signal
  • RA Random Access
  • the network determines the repeated transmission times N PUSCH of the repeatedly transmitted PUSCH data and the expected received power P O_RPUSCH of the corresponding repeatedly transmitted PUSCH data according to the power level of the noise and interference and the uplink path loss, and repeats the transmitted PUSCH The number of repeated transmissions of data N PUSCH and the expected received power P O_RPUSCH are notified to the user equipment.
  • the network and the user equipment determine, according to the repeated transmission times N RA of the uplink RA signals repeatedly transmitted from the user equipment, the number of repeated transmissions of the repeatedly transmitted PUSCH data N PUSCH , the power level of the network according to the noise and interference, and the uplink The loss determines the expected received power P O_RPUSCH of the repeatedly transmitted PUSCH data, and notifies the user equipment of the desired received power P O_RPUSCH .
  • the network determines the number of repeated transmissions N PUSCH according to the power level of the noise and interference and the uplink path loss, and the corresponding expected received power P O_RPUSCH includes:
  • the first repeated transmission times R A wherein, R A is the number of repeated transmissions required by the user equipment when the user equipment is always transmitting with the maximum power P MAX ; determining the repetition according to the R A and the set of repeated transmission times supported by the user equipment a second repeated transmission number R B of the transmitted PUSCH data; wherein the R B is a minimum value of all elements greater than or equal to R A belonging to the set of repeated transmission times supported by the user equipment; the second repeated transmission number R B is equal to the number of repeated transmissions of the actual repeatedly transmitted PUSCH data N PUSCH .
  • R B according to a desired transmit power and a transmit repeating determining a desired P A PUSCH data transmission times of the R B transmit power P B; P A according to the between P B and the power difference (unit is dB), and receiving a desired transmission power P O_PUSCH repeating determining a desired transmission power received P O_RPUSCH.
  • the number of repeated transmissions of the PUSCH N PUSCH is greater than the predefined value K PUSCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_RPUSCH of the repeatedly transmitted PUSCH data is -120 dBm.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the user equipment obtains the power offset ⁇ MCS value of the MCS used depending on the PUSCH data according to the following equation:
  • K is the transport block size (TBS)
  • N RE is the number of resource units carrying the PUSCH data in the M resource blocks
  • L is the number of valid information bits carried by each resource unit. If the value of K is assumed to be 1000, the user equipment can determine that the value of ⁇ MCS is approximately 3.7 dB by the following procedure:
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇ ,
  • RPUSCH Determining the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is:
  • the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines the repeated transmission times N PUSCH of the repeatedly transmitted PUSCH data according to the power level of the noise and interference and the uplink path loss, and the path loss compensation factor ⁇ RPUSCH of the corresponding repeatedly transmitted PUSCH data and repeats the transmitted PUSCH data.
  • the number of repeated transmissions N PUSCH and the path loss compensation factor ⁇ RPUSCH are notified to the user equipment.
  • the network and the user equipment determine, according to the repeated transmission times N RA of the repeatedly transmitted RA signals from the user equipment, the number of repeated transmissions of the repeatedly transmitted PUSCH data N PUSCH , the power level of the network according to the noise and interference, and the uplink path loss.
  • the path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data is determined , and the above-described path loss compensation factor ⁇ RPUSCH is notified to the user equipment.
  • the network determines the number of repeated transmissions N PUSCH according to the power level of the noise and interference and the uplink path loss, and the corresponding path loss compensation factor ⁇ RPUSCH includes:
  • the first repeated transmission times R A wherein R A is the number of repeated transmissions required by the user equipment when the user equipment always transmits with the maximum power P MAX ; determining the repeated transmission according to the R A and the set of repeated transmission times supported by the user equipment
  • the second repeated transmission number R B of the PUSCH data wherein the R B is a minimum value of all elements greater than or equal to R A belonging to the set of repeated transmission times supported by the user equipment; the second repeated transmission times RB is equal to The number of repeated transmissions of the actual repeated transmission of PUSCH data N PUSCH .
  • R and B according to a desired transmit power of transmission PA is repeated to determine the PUSCH transmission of the desired R and B sub-data transmission power P B; the power difference (unit is dB), and between the P A and P B in accordance with The path loss determines the path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data.
  • the number of repeated transmissions of the PUSCH N PUSCH is greater than the predefined value K PUSCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_PUSCH of the PUSCH data for one transmission is -100 dBm. It is clear that the closed-loop power control command ⁇ PUSCH takes 0 dB, the downlink loss of the user equipment is PL DL is about 138 dB, and the path loss compensation factor ⁇ RPUSCH of the repeated transmission of PUSCH data is 0.8; it is assumed that the PUSCH data transmission is occupied.
  • the user equipment obtains the power offset ⁇ MCS value of the MCS used depending on the PUSCH data according to the following equation:
  • K TBS
  • N RE represents the number of resource units carrying PUSCH data in M resource blocks
  • L represents the number of valid information bits carried by each resource unit. If the value of K is assumed to be 1000, the user equipment can determine that the value of ⁇ MCS is approximately 3.7 dB by the following procedure:
  • P T,RPUSCH min ⁇ P MAX ,P O_PUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH Determining the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is:
  • the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines a power level of the noise and a power level of interference from the neighboring cell, and determines an uplink path loss according to at least one of: an SRS from the user equipment; an RA signal from the user equipment; and a downlink path loss from the user equipment Feedback of measured values.
  • the network determines the repeated transmission times N PUSCH of the repeatedly transmitted PUSCH data according to the power level of the noise and interference and the uplink path loss, and the expected received power P O_RPUSCH and the path loss compensation factor ⁇ RPUSCH of the corresponding repeatedly transmitted PUSCH data. And notifying the user equipment of the repeated transmission times N PUSCH of the repeatedly transmitted PUSCH data and the expected reception power P O_RPUSCH and the path loss compensation factor ⁇ RPUSCH .
  • the network and the user equipment determine, according to the repeated transmission times N RA of the repeatedly transmitted RA signals from the user equipment, the number of repeated transmissions of the repeatedly transmitted PUSCH data N PUSCH , the power level of the network according to the noise and interference, and the uplink path loss. Determining a desired received power P O_RPUSCH and a path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data, and notifying the user equipment of the expected received power P O_RPUSCH and the path loss compensation factor ⁇ RPUSCH .
  • the network determines, according to the power level of the noise and the interference, and the uplink path loss, the repeated transmission times of the PUSCH data, the N PUSCH, and the expected received power P O_RPUSCH and the path loss compensation factor ⁇ RPUSCH include:
  • the first repeated transmission times R A wherein R A is the number of repeated transmissions required by the user equipment when the user equipment always transmits with the maximum power P MAX ; determining the repeated transmission according to the R A and the set of repeated transmission times supported by the user equipment
  • R B according to a desired transmit power and a transmit repeating determining a desired P A PUSCH data transmission times of the R B transmit power P B; P A according to the between P B and the power difference (unit is dB), and
  • the uplink path loss determines the expected received power P O_RPUSCH and the path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data.
  • the number of repeated transmissions of the PUSCH N PUSCH is greater than the predefined value K PUSCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_RPUSCH of the repeatedly transmitted PUSCH data is -113 dBm. It is clear that the closed loop power control command ⁇ PUSCH takes a value of 0 dB, the downlink loss of the user equipment is PL DL is about 138 dB, and the path loss compensation factor ⁇ RPUSCH of the repeatedly transmitted PUSCH data is 0.9; it is assumed that the PUSCH data transmission is occupied.
  • the user equipment obtains the power offset ⁇ MCS value of the MCS used depending on the PUSCH data according to the following equation:
  • K TBS
  • N RE represents the number of resource units carrying PUSCH data in M resource blocks
  • L represents the number of valid information bits carried by each resource unit. If the value of K is assumed to be 1000, the user equipment can determine that the value of ⁇ MCS is approximately 3.7 dB by the following procedure:
  • P T,RPUSCH min ⁇ P MAX ,P O_RPUSCH +PL DL '+10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇
  • RPUSCH Determining the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is:
  • the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines, according to the noise level of the noise and interference, and the uplink path loss, the number of repeated transmissions of the repeatedly transmitted PUSCH data N PUSCH , and the first power offset of the corresponding repeatedly transmitted PUSCH data P RPUSCH_OFFSET_1 , and repeats the transmission The number of repeated transmissions of the PUSCH data N PUSCH and the first power offset P RPUSCH_OFFSET_1 are notified to the user equipment.
  • the network and the user equipment determine, according to the repeated transmission times N RA of the uplink RA signals repeatedly transmitted from the user equipment, the number of repeated transmissions N PUSCH of the repeatedly transmitted PUSCH data, the power level of the network according to the noise and interference, and the uplink path loss. Determining the repeated PUSCH data power offset P RPUSCH_OFFSET_1 and notifying the user equipment of the first power offset P RPUSCH_OFFSET_1 .
  • the network determines the number of repeated transmissions N PUSCH according to the power level of the noise and interference and the uplink path loss, and the corresponding first power offset P RPUSCH_OFFSET_1 includes:
  • R B according to a desired transmit power and a transmit repeating determining a desired P A PUSCH data transmission times of the R B transmit power P B; A power difference (in units of dB) determined between the P A and P B repeat
  • the first power offset of the transmitted PUSCH data is P RPUSCH_OFFSET_1 .
  • the number of repeated transmissions of the PUSCH N PUSCH is greater than the predefined value K PUSCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_RPUSCH of the PUSCH data for one transmission is -100 dBm. It is clear that the closed loop power control command ⁇ PUSCH takes a value of 0 dB, the downlink loss of the user equipment is PL DL is about 130 dB, and the first power offset P RPUSCH_OFFSET_1 of the repeatedly transmitted PUSCH data is -20 dB; a PUSCH data transmission is assumed.
  • the user equipment obtains the power offset ⁇ MCS value of the MCS used depending on the PUSCH data according to the following equation:
  • K represents TBS
  • N RE represents the number of resource units carrying PUSCH data in M resource blocks
  • L represents the number of valid information bits carried by each resource unit.
  • the user equipment can determine that the value of ⁇ MCS is about 3.7 dB by the following process:
  • P T,RPUSCH min ⁇ P MAX ,P'+P RPUSCH_OFFSET_1 ⁇
  • P ' P O_PUSCH + PL DL + 10 ⁇ log 10 (M) + ⁇ MCS + ⁇ PUSCH,
  • RPUSCH Determining the actual transmit power PT of the repeatedly transmitted PUSCH data, RPUSCH is:
  • the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines, according to the power level of the noise and interference, and the uplink path loss, the number of repeated transmissions of the repeatedly transmitted PUSCH data, N PUSCH , and the second power offset of the corresponding repeatedly transmitted PUSCH data, P RPUSCH_OFFSET_2 , and repeats the transmission.
  • the number of repeated transmissions of the PUSCH data N PUSCH and the second power offset P RPUSCH_OFFSET_2 are notified to the user equipment.
  • the network and the user equipment determine, according to the repeated transmission times N RA of the uplink RA signals repeatedly transmitted from the user equipment, the number of repeated transmissions N PUSCH of the repeatedly transmitted PUSCH data, the power level of the network according to the noise and interference, and the uplink path loss.
  • the repeated PUSCH data power offset P RPUSCH_OFFSET_2 is determined and the second power offset P RPUSCH_OFFSET_2 is notified to the user equipment.
  • the network determines the number of repeated transmissions N PUSCH according to the power level of the noise and the interference and the uplink path loss, and the corresponding second power offset P RPUSCH_OFFSET_2 includes:
  • the first repeated transmission times R A wherein R A is the number of repeated transmissions required by the user equipment when the user equipment always transmits with the maximum power P MAX ; determining the repeated transmission according to the R A and the set of repeated transmission times supported by the user equipment
  • the number of repeated transmissions of the PUSCH N PUSCH is greater than the predefined value K PUSCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_RPUSCH of the PUSCH data for one transmission is -100 dBm, and the closed loop power control command is clarified.
  • the value of the ⁇ PUSCH is 0 dB, and the value of the downlink path loss PL DL estimated by the user equipment is approximately 130 dB, and the value of the second power offset P RPUSCH_OFFSET_2 of the repeatedly transmitted PUSCH data is -2 dB ; the resource block occupied by the PUSCH data transmission is assumed.
  • the user equipment obtains the power offset ⁇ MCS value of the MCS used depending on the PUSCH data according to the following equation:
  • K represents TBS
  • N RE represents the number of resource units carrying PUSCH data in M resource blocks
  • L represents the number of valid information bits carried by each resource unit.
  • the user equipment can determine that the value of ⁇ MCS is about 3.7 dB by the following process:
  • P' min ⁇ P MAX , P O_PUSCH +PL DL +10 ⁇ log 10 (M)+ ⁇ MCS + ⁇ PUSCH ⁇ ,
  • RPUSCH P MAX + P RPUSCH_OFFSET_2 ,
  • RPUSCH Determining the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is:
  • the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines the number of repeated transmissions N PUSCH of the repeatedly transmitted PUSCH data according to the power level of the noise and interference and the uplink path loss, and notifies the user equipment.
  • the network and the user equipment determine the number of repeated transmissions N PUSCH of the repeatedly transmitted PUSCH data based on the number of repeated transmissions N RA of the uplink RA signals repeatedly transmitted from the user equipment.
  • the network determines the number of repeated transmissions of the repeatedly transmitted PUSCH data according to the power level of the noise and the interference and the uplink path loss.
  • the N PUSCH includes:
  • the first repeated transmission times R A wherein R A is the number of repeated transmissions required by the user equipment when the user equipment always transmits with the maximum power P MAX ; determining the repeated transmission according to the R A and the set of repeated transmission times supported by the user equipment
  • the number of repeated transmissions of the PUSCH N PUSCH is greater than the predefined value K PUSCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_PUSCH of the PUSCH data for one transmission is -100 dBm.
  • PUSCH closed loop power control command value is 0dB, the user equipment downlink pathloss estimation PL DL value of approximately 130dB, repeated transmission data is repeated the number of times N PUSCH PUSCH transmission value of 100; a PUSCH data transmission envisaged occupied
  • the user equipment obtains the power offset ⁇ MCS value of the MCS used depending on the PUSCH data according to the following equation:
  • K represents TBS
  • NRE represents the number of resource units carrying PUSCH data in M resource blocks
  • L represents the number of valid information bits carried by each resource unit.
  • the user equipment can determine that the value of ⁇ MCS is about 3.7 dB by the following process:
  • P T, RPUSCH min ⁇ P MAX , P'-10 ⁇ log 10 (N PUSCH ) ⁇
  • P ' P O_PUSCH + PL DL + 10 ⁇ log 10 (M) + ⁇ MCS + ⁇ PUSCH,
  • RPUSCH Determining the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is:
  • the actual transmit power P T of the repeatedly transmitted PUSCH data , RPUSCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the power levels of interference and noise in the specific embodiments 1 to 6 of the present invention refer to the average interference and noise power levels of a single transmission process; considering the combination of PUSCH data in repeated transmissions.
  • interference and noise will also be combined, and there may be a discrepancy between the power level of the combined interference and noise and the power level of the interference and noise of one transmission process, except for the closed-loop power control command used to compensate the wireless channel.
  • the closed-loop power control command used to compensate the wireless channel.
  • it can also be used to compensate for the deviation between the power level of the combined interference and noise and the power level of the interference and noise of one transmission process, or to determine the number of repeated transmissions N PUSCH or determine the power of repeated transmission.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines, according to the noise level of the noise and the interference and the uplink path loss, the repeated transmission times of the PUCCH data, the N PUCCH, and the expected received power P O_RPUCCH of the corresponding repeatedly transmitted PUCCH data, and repeats the repeatedly transmitted PUCCH data.
  • the number of transmissions N PUCCH and the expected received power P O_RPUCCH are notified to the user equipment.
  • the network and the user equipment determine the number of repeated transmissions of the repeatedly transmitted PUCCH data N PUCCH according to the number of repeated transmissions N RA of the uplink RA signals repeatedly transmitted from the user equipment, the power level of the network according to the noise and interference, and the uplink
  • the loss determines the expected received power P O_RPUCCH of the repeatedly transmitted PUCCH data and notifies the user equipment of the desired received power P O_RPUCCH .
  • the network determines the number of repeated transmissions N PUCCH according to the power level of the noise and interference and the uplink path loss, and the corresponding expected received power P O_RPUCCH includes:
  • R B according to a desired transmit power and a transmit repeating determining a desired P A PUCCH data transmission times of the R B transmit power P B; P A according to the between P B and the power difference (unit is dB), and a desired transmission power P O_PUCCH received repeated determining a desired transmission power received P O_RPUCCH.
  • the number of repeated transmissions of the PUCCH N PUCCH is greater than the predefined value K PUCCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_RPUCCH of the repeatedly transmitted PUCCH data is -120 dBm. It is clear that the closed loop power control command ⁇ PUCCH takes a value of 0 dB, and the downlink loss path PLDL estimated by the user equipment is approximately 142 dB; the PUCCH format is assumed to be PUCCH format 1a, and the power offset ⁇ MCS of the format 1a takes a value of 0 dB.
  • P T, RPUCCH min ⁇ P MAX , P O_RPUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines the repeated transmission times N PUCCH of the repeatedly transmitted PUCCH data according to the power level of the noise and interference and the uplink path loss, and the path loss compensation factor ⁇ RPUCCH of the corresponding repeatedly transmitted PUCCH data, and repeats the transmitted PUCCH The number of repeated transmissions of data N PUCCH and the path loss compensation factor ⁇ RPUCCH are notified to the user equipment.
  • the network and the user equipment determine the number of repeated transmissions of the repeatedly transmitted PUCCH data N PUCCH according to the repeated transmission times N RA of the uplink RA signals repeatedly transmitted from the user equipment, and the network according to the power level and the uplink of the noise and interference
  • the loss determines the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data, and notifies the user equipment of the path loss compensation factor ⁇ RPUCCH .
  • the network determines the number of repeated transmissions N PUCCH according to the power level of the noise and interference and the uplink path loss, and the corresponding path loss compensation factor ⁇ RPUCCH includes:
  • R B according to a desired transmit power and a transmit repeating determining a desired P A PUCCH data transmission times of the R B transmit power P B; P A according to the between P B and the power difference (unit is dB), and The uplink path loss determines the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data.
  • the maximum transmit power P MAX of the user equipment is 23 dBm
  • the expected received power P O_PUCCH of the PUCCH data for one transmission is -100 dBm
  • the value of the closed loop power control command ⁇ PUCCH is 0 dB
  • the downlink path loss PLDL estimated by the user equipment is determined.
  • the value is approximately 135 dB
  • the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data is 0.9
  • the current PUCCH format is assumed to be PUCCH format 1a
  • the power offset ⁇ MCS of the format 1a is 0 dB.
  • P T,RPUCCH min ⁇ P MAX ,P O_PUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH Determining the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is:
  • the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines the repeated transmission times N PUCCH of the repeatedly transmitted PUCCH data according to the power level of the noise and interference and the uplink path loss, and the expected received power P O_RPUCCH and the path loss compensation factor ⁇ RPUCCH of the corresponding repeatedly transmitted PUCCH data.
  • the number of repeated transmissions N PUCCH of the repeatedly transmitted PUCCH data and the expected received power P O_RPUCCH and the path loss compensation factor ⁇ RPUCCH are notified to the user equipment.
  • the network and the user equipment determine, according to the repeated transmission times N RA of the repeatedly transmitted RA signals from the user equipment, the number of repeated transmissions of the repeatedly transmitted PUCCH data N PUCCH , the power level of the network according to the noise and interference, and the uplink path loss.
  • the desired received power P O_RPUCCH and the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data are determined and the desired received power P O_RPUCCH and the path loss compensation factor ⁇ RPUCCH are notified to the user equipment.
  • the network determines, according to the power level of the noise and the interference and the uplink path loss, the repeated transmission times of the PUCCH data, the N PUCCH, and the expected received power P O_RPUCCH and the path loss compensation factor ⁇ RPUCCH include:
  • R B according to a desired transmit power and a transmit repeating determining a desired P A PUCCH data transmission times of the R B transmit power P B; P A according to the between P B and the power difference (unit is dB), and
  • the uplink path loss determines the expected received power P O_RPUCCH and the path loss compensation factor ⁇ RPUCCH of the repeatedly transmitted PUCCH data.
  • N PUCCH the number of repeated transmissions of the PUCCH, N PUCCH, is greater than a predefined value K PUCCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power of the PUCCH data that is repeatedly transmitted is a value of -106 dBm .
  • the closed-loop power control command ⁇ PUCCH takes 0 dB
  • the downlink loss of the user equipment is PL DL is about 142 dB
  • the path loss compensation factor ⁇ RPUCCH of the repeated transmission PUCCH data is 0.9
  • the current PUCCH format is assumed to be PUCCH format. 1a
  • the power offset ⁇ MCS of the format 1a takes a value of 0 dB.
  • P T,RPUCCH min ⁇ P MAX ,P O_RPUCCH +PL DL '+ ⁇ Format + ⁇ PUCCH ⁇
  • RPUCCH Determining the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is:
  • the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUSCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines, according to the noise level of the noise and interference, and the uplink path loss, the number of repeated transmissions of the repeatedly transmitted PUCCH data, N PUCCH , and the first power offset of the corresponding repeatedly transmitted PUCCH data, P RPUCCH_OFFSET_1 , and repeats the transmission.
  • the number of repeated transmissions of the PUCCH data N PUCCH and the first power offset P RPUCCH_OFFSET_1 are notified to the user equipment.
  • the network and the user equipment determine the number of repeated transmissions N PUCCH of the repeatedly transmitted PUCCH data according to the repeated transmission times N RA of the uplink RA signals repeatedly transmitted from the user equipment, the power level of the network according to the noise and interference, and the uplink path loss. Determining the repeated PUCCH data power offset P RPUCCH_OFFSET_1 and notifying the user equipment of the first power offset P RPUCCH_OFFSET_1 described above.
  • the network determines the number of repeated transmissions N PUCCH according to the power level of the noise and interference and the uplink path loss, and the corresponding first power offset P RPUCCH_OFFSET_1 includes:
  • R B according to a desired transmit power and a transmit repeating determining a desired P A PUCCH data transmission times of the R B transmit power P B; A power difference (in units of dB) determined between the P A and P B repeat
  • the first power offset of the transmitted PUCCH data is P RPUCCH_OFFSET_1 .
  • the number of repeated transmissions of the PUCCH N PUCCH is greater than the predefined value K PUCCH ; it is assumed that the maximum transmit power P MAX of the user equipment is 23 dBm, and the expected received power P O_RPUCCH of the PUCCH data for one transmission is -100 dBm.
  • the closed loop power control command ⁇ PUCCH takes a value of 0 dB
  • the downlink loss of the user equipment is PL DL is about 142 dB
  • the first power offset P RPUCCH_OFFSET_1 of the repeatedly transmitted PUCCH data is -20 dB.
  • the current PUCCH format is assumed to be PUCCH format 1a, and the power offset ⁇ MCS of format 1a takes a value of 0 dB.
  • P T,RPUCCH min ⁇ P MAX ,P'+P RPUCCH_OFFSET_1 ⁇
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • RPUCCH Determining the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is:
  • the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines, according to the noise level of the noise and interference, and the uplink path loss, the number of repeated transmissions of the repeatedly transmitted PUCCH data, N PUCCH , and the second power offset of the corresponding repeatedly transmitted PUCCH data, P RPUCCH_OFFSET_2 , and repeats the transmission.
  • the number of repeated transmissions of the PUCCH data N PUCCH and the second power offset P RPUCCH_OFFSET_2 are notified to the user equipment.
  • the network and the user equipment determine the number of repeated transmissions N PUCCH of the repeatedly transmitted PUCCH data according to the repeated transmission times N RA of the uplink RA signals repeatedly transmitted from the user equipment, the power level of the network according to the noise and interference, and the uplink path loss.
  • the repeated PUCCH data power offset P RPUCCH_OFFSET_2 is determined and the second power offset P RPUCCH_OFFSET_2 is notified to the user equipment.
  • the network determines the number of repeated transmissions N PUCCH according to the power level of the noise and interference and the uplink path loss, and the corresponding second power offset P RPUCCH_OFFSET_2 includes:
  • the maximum transmit power P MAX of the user equipment is 23 dBm
  • the expected received power P O_RPUCCH of the PUCCH data for one transmission is -100 dBm
  • the value of the closed loop power control command ⁇ PUCCH is 0 dB
  • the downlink path loss PL estimated by the user equipment is approximately 130 dB
  • the second power offset P RPUCCH_OFFSET_2 of the repeatedly transmitted PUCCH data takes a value of -2 dB
  • the current PUCCH format is PUCCH format 1a
  • the power offset ⁇ MCS of the format 1a takes a value of 0 dB.
  • P' min ⁇ P MAX , P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ⁇ ,
  • RPUCCH Determining the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is:
  • the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the network determines the power level of the noise and the power level of the interference from the neighboring cell, and determines the uplink path loss according to at least one of the following: an SRS from the user equipment; an RA signal from the user equipment; and a user equipment from the user equipment Feedback on downlink path loss measurements.
  • the network determines the repeated transmission times N PUCCH of the repeatedly transmitted PUCCH data according to the power level of the noise and interference and the uplink path loss, and notifies the user equipment.
  • the network and the user equipment determine the number of repeated transmissions N PUCCH of the repeatedly transmitted PUCCH data based on the number of repeated transmissions N RA of the uplink RA signals repeatedly transmitted from the user equipment.
  • the network determines the number of repeated transmissions of the repeatedly transmitted PUCCH data according to the power level of the noise and the interference and the uplink path loss.
  • the N PUCCH includes:
  • the maximum transmit power P MAX of the user equipment is 23 dBm
  • the expected received power P O_PUCCH of the PUCCH data for one transmission is -100 dBm
  • the value of the closed loop power control command ⁇ PUCCH is 0 dB
  • the downlink loss PL of the user equipment is estimated.
  • DL value of approximately 130dB repeated transmission data is repeated transmission of the PUCCH PUCCH number value of 100 N;
  • PUCCH format is contemplated PUCCH format 1a, and the power offset value ⁇ MCS format 1a is 0dB.
  • P' P O_PUCCH +PL DL + ⁇ Format + ⁇ PUCCH ,
  • RPUCCH Determining the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is:
  • the actual transmit power P T of the repeatedly transmitted PUCCH data , RPUCCH is lower than the maximum transmit power P MAX supported by the user equipment.
  • the power levels of interference and noise described in Embodiments 7 through 12 refer to the average interference and noise power levels of a single transmission process; taking into account the combination of PUCCH data for repeated transmissions.
  • interference and noise will also be combined, and there may be a discrepancy between the power level of the combined interference and noise and the power level of the interference and noise of one transmission process, except for the closed-loop power control command used to compensate the wireless channel.
  • the closed-loop power control command used to compensate the wireless channel.
  • it can also be used to compensate for the deviation between the power level of the combined interference and noise and the power level of the interference and noise of one transmission process, or to determine the number of repeated transmissions N PUCCH or determine the power of repeated transmission.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage medium includes: a mobile storage device, a random access memory (RAM), a read-only memory (ROM), a magnetic disk, or an optical disk.
  • RAM random access memory
  • ROM read-only memory
  • magnetic disk or an optical disk.
  • optical disk A medium that can store program code.
  • the above-described integrated unit of the embodiment of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a stand-alone product.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product, which is stored in a storage medium and includes a plurality of instructions for making
  • a computer device (which may be a personal computer, server, or network device, etc.) performs all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a RAM, a ROM, a magnetic disk, or an optical disk.
  • the repeatedly transmitted PUSCH data is transmitted with a power less than or equal to the maximum transmission power; when the number of repeated transmissions of the PUCCH data is greater than the K PUCCH , less than or equal to The power of the maximum transmit power transmits the repeatedly transmitted PUCCH data; this avoids the problem that the user equipment always transmits at the maximum power, and solves the related power control mechanism, which reduces the energy efficiency of the user equipment in the MTC coverage enhancement scenario, and is disadvantageous to the user.
  • the problem of equipment power saving when the number of repeated transmissions of the PUSCH data is greater than the K PUSCH , the repeatedly transmitted PUSCH data is transmitted with a power less than or equal to the maximum transmission power; when the number of repeated transmissions of the PUCCH data is greater than the K PUCCH , less than or equal to The power of the maximum transmit power transmits the repeatedly transmitted PUCCH data; this avoids the problem that the user equipment always transmits at the maximum power, and solves the related power control mechanism, which reduces the energy efficiency of the user

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

Abstract

La présente invention concerne un procédé de commande de puissance, un équipement d'utilisateur, une station de base, un système, et un support d'informations. Le procédé comprend : lorsque le nombre de réémissions de données d'un canal PUSCH (canal physique partagé de liaison montante) est supérieur à KPUSCH, l'envoi des données réémises du canal PUSCH à une puissance inférieure ou égale à une puissance d'émission maximale ; et lorsque le nombre de réémissions de données d'un canal PUCCH (canal de contrôle physique de liaison montante) est supérieur à KPUSCH, l'envoi des données réémises du canal PUCCH à une puissance inférieure ou égale à la puissance d'émission maximale, KPUSCH et KPUCCH étant des valeurs prédéfinies.
PCT/CN2014/087271 2014-06-12 2014-09-24 Procédé de commande de puissance, équipement d'utilisateur, station de base, système, et support d'informations WO2015188513A1 (fr)

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WO2019136686A1 (fr) * 2018-01-12 2019-07-18 北京小米移动软件有限公司 Appareil et procédé de transmission de données, et terminal d'envoi de données
CN111757446B (zh) * 2019-03-29 2021-12-10 中国信息通信研究院 一种上行信道发送功率控制方法和设备
CN111865516B (zh) * 2019-04-25 2021-10-29 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
EP3829076A3 (fr) * 2019-11-28 2021-08-04 Samsung Electronics Co., Ltd. Commande de puissance de transmission de signaux de référence de sondage dans un système et dispositif de communication sans fil

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