WO2018127022A1 - Procédé, dispositif et système de détermination de puissance d'émission - Google Patents

Procédé, dispositif et système de détermination de puissance d'émission Download PDF

Info

Publication number
WO2018127022A1
WO2018127022A1 PCT/CN2017/120317 CN2017120317W WO2018127022A1 WO 2018127022 A1 WO2018127022 A1 WO 2018127022A1 CN 2017120317 W CN2017120317 W CN 2017120317W WO 2018127022 A1 WO2018127022 A1 WO 2018127022A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
terminal
power
reference signal
base station
Prior art date
Application number
PCT/CN2017/120317
Other languages
English (en)
Chinese (zh)
Inventor
王瑜新
鲁照华
陈艺戬
李儒岳
吴昊
肖华华
蔡剑兴
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018127022A1 publication Critical patent/WO2018127022A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • 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
    • H04W52/38—TPC being performed in particular situations
    • 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
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Definitions

  • the present disclosure relates to the field of communications, for example, to a method, apparatus, and system for determining transmit power.
  • a physical downlink control channel (PDCCH) is used to carry uplink and downlink scheduling information, and uplink power control information.
  • the Downlink Control Information (DCI) format includes DCI formats 0, 1, 1A, 1B, 1C, 1D, 2, 2A, 3, and 3A, and evolves to Long Term Evolution-Advanced. LTE-A) Release 12 (LTE-A Release 12). DCI formats 2B, 2C, and 2D have been added to LTE-A Release 12 to support a variety of different applications and transmission modes.
  • the evolved base station evolved-Node-B, eNB
  • the UE receives a higher layer configuration, also referred to as configuring the UE by higher layer signaling.
  • Uplink power control in wireless systems is very important.
  • uplink power control ie, uplink power control
  • the UE in the cell can ensure the quality of the uplink transmission data, minimize the interference to other users in the system, and prolong the usage time of the UE battery.
  • a method, device and system for determining transmission power can solve the problem of a single control method for uplink signal transmission power in high frequency communication in the related art.
  • a method for determining transmission power comprising:
  • the terminal receives configuration signaling of the base station, where the configuration signaling is used to indicate a transmission power parameter of the terminal in one or more transmission modes; or the terminal and the base station pre-define the terminal in one or Transmit power parameters on multiple transmit modes;
  • the terminal determines, according to the transmit power parameter, a transmit power of the terminal on the one or more transmission modes.
  • the one or more transmission modes include at least one of: a transmit beam, a transmit antenna, a transmit sector, a precoding of a transmit end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • the corresponding transmission method, the transmission method corresponding to the frequency domain transmission diversity, and the transmission method corresponding to the time domain transmission diversity include at least one of: a transmit beam, a transmit antenna, a transmit sector, a precoding of a transmit end, an antenna port, an antenna weight vector, an antenna weight matrix, and a space division multiplexing manner.
  • the one or more transmission modes include at least one of: a transmission mode corresponding to the reference signal index, a transmission mode corresponding to the spatial domain transmission filter, and a transmission mode corresponding to the spatial quasi-co-location.
  • the one or more transmission modes include at least one of the following:
  • the terminal and the base station pre-define the transmission of the terminal in one or more transmission modes.
  • Power parameters include:
  • the maximum transmit power used by the terminal wherein the maximum transmit power used by the terminal is obtained by the following formula:
  • the maximum transmit power used by the terminal the maximum transmit power of the terminal - the power offset value K, K is greater than 0 and less than 20.
  • the transmit power parameter includes at least one of the following:
  • the uplink transmission power adjustment value The uplink transmission power adjustment value, the allocation ratio of the uplink transmission power adjustment value between the plurality of spatial multiplexing layers, the index of the spatial multiplexing layer, the power adjustment enable bit of the spatial multiplexing layer, the bitmap of the spatial multiplexing layer, The path loss of the spatial multiplexing layer and the target power of the spatial multiplexing layer.
  • the uplink multi-layer transmission corresponds to multiple spatial multiplexing layers, where the multiple spatial multiplexing layers use different Modulation method or modulation coding method.
  • the different modulation modes include at least one of the following: the same power control parameter, different power offset values, and different uplink transmit power adjustment values, where the power control parameters include at least one of the following: : target power of the terminal, path loss of the terminal, and a path loss compensation factor of the terminal.
  • the method further includes:
  • the terminal further receives the uplink transmit power adjustment value by using physical downlink control signaling sent by the base station.
  • the method further includes:
  • the terminal further receives the uplink transmit power adjustment value by using physical downlink control signaling sent by the base station.
  • the configuration signaling is further used to indicate that the terminal is at least one of: not triggering the measurement reference signal, triggering the measurement reference signal, and not performing transmission power adjustment, triggering the measurement reference signal, and increasing transmission of the measurement reference signal.
  • Power N dB, and triggering the measurement reference signal and reducing the transmission power M dB of the measurement reference signal where N is an integer greater than 0 and less than 20, and M is an integer greater than 1 and less than 20.
  • the method further includes:
  • the terminal receives the downlink reference signal by using different receiving manners
  • the terminal determines the received power RSRP of the downlink reference signal according to the downlink reference signal, where the RSRP corresponding to multiple receiving modes uses a plurality of different power offset values.
  • the terminal receives the downlink reference signal by using different receiving manners, including:
  • the terminal receives the downlink reference signals through different downlink transmission modes or different base stations or different sending nodes by using different receiving manners.
  • the method further includes:
  • the terminal reports to the base station at least one of an interference type and an interference level of interference received on different receiving modes.
  • the receiving manner includes at least one of the following: a manner of receiving a beam, a manner corresponding to a receiving antenna, a manner of receiving a sector, a reference signal, and a beam resource corresponding to the quasi-co-location indication of the antenna port. And the manner in which the reference reference signal corresponds to the beam resource of the receiving end indicated by the quasi-co-located QCL of the antenna port.
  • the receiving manner includes at least one of: a manner corresponding to a reference signal index, a manner corresponding to a spatial domain receiving filter, and a manner corresponding to a spatial quasi-co-location.
  • the transmission power of the terminal in different transmission modes or different transmission mode groups uses different power offset values, where the transmission mode group is corresponding to the same base station or the same uplink receiving node.
  • a group consisting of multiple transmission modes, or the transmission mode group is a group consisting of multiple transmission modes indicated by the base station quasi-co-location QCL.
  • a method for determining transmission power comprising:
  • the base station sends configuration signaling to the terminal, where the configuration signaling is used to indicate a transmit power parameter of the terminal in one or more transmission modes, and instructs the terminal to determine, according to the transmit power parameter, that the terminal is Transmit power on one or more transmission methods; or
  • the base station and the terminal pre-define a transmission power parameter of the terminal in one or more transmission modes.
  • the one or more transmission modes include at least one of the following:
  • Transmit beam transmit antenna, transmit sector, precoding at the transmitting end, antenna port, antenna weight vector, antenna weight matrix, transmission method corresponding to space division multiplexing, transmission method corresponding to frequency domain transmission diversity, and time domain transmission diversity The corresponding sending method.
  • the one or more transmission modes include at least one of: a transmission mode corresponding to the reference signal index, a transmission mode corresponding to the spatial domain transmission filter, and a transmission mode corresponding to the spatial quasi-co-location.
  • the one or more transmission modes include at least one of the following:
  • the base station and the terminal pre-define a transmission power parameter of the terminal in one or more transmission modes.
  • the maximum transmit power used by the terminal wherein the maximum transmit power used by the terminal is obtained by the following formula:
  • the maximum transmit power used by the terminal the maximum transmit power of the terminal - the power offset value K, K is greater than 0 and less than 20.
  • the transmit power parameter includes at least one of the following:
  • the uplink transmission power adjustment value The uplink transmission power adjustment value, the allocation ratio of the uplink transmission power adjustment value between the plurality of spatial multiplexing layers, the index of the spatial multiplexing layer, the power adjustment enable bit of the spatial multiplexing layer, the bitmap of the spatial multiplexing layer, The path loss of the spatial multiplexing layer and the target power of the spatial multiplexing layer.
  • the uplink multi-layer corresponds to multiple spatial multiplexing layers, wherein the multiple spatial multiplexing layers use different modulations. Mode or modulation coding method.
  • the different modulation modes include at least one of the following: the same power control parameter, different power offset values, and different uplink transmit power adjustment values, where the power control parameters include at least one of the following: : target power of the terminal, path loss of the terminal, and a path loss compensation factor of the terminal.
  • the method further includes:
  • the base station sends a radio resource control RRC signaling or a medium access control control unit MAC CE signaling to the terminal, where the RRC signaling or MAC CE signaling is used to indicate that the terminal acquires the uplink sending power according to the And adjusting, by the base station, the physical downlink control signaling to the terminal, where the physical downlink control signaling is used to indicate that the terminal receives the uplink sending Power adjustment value.
  • the method further includes:
  • the eNB sends the RRC signaling or the MAC CE signaling to the terminal, where the RRC signaling or the MAC CE signaling is used to instruct the terminal to acquire the power adjustment enable bit of the spatial multiplexing layer.
  • the base station further sends physical downlink control signaling to the terminal, where the physical downlink control signaling is used to instruct the terminal to receive the uplink transmit power adjustment value.
  • the configuration signaling is further used to indicate that the terminal is at least one of: not triggering the measurement reference signal, triggering the measurement reference signal, and not performing transmission power adjustment, triggering the measurement reference signal And increasing the transmission power N dB of the measurement reference signal, and triggering the measurement reference signal and reducing the transmission power M dB of the measurement reference signal, where N is an integer greater than 0 and less than 20, and M is an integer greater than 1 and less than 20.
  • the method further includes:
  • the base station sends a downlink reference signal to the terminal by using different downlink transmission modes, where different downlink transmission modes correspond to different reception modes of the terminal, and the downlink reference signal is used to instruct the terminal to determine the
  • the received power RSRP of the downlink reference signal uses different power offset values corresponding to different RSRPs of the downlink transmission mode.
  • the method further includes:
  • the base station receives at least one of an interference type and an interference level of interference received by the terminal on different receiving modes.
  • the receiving manner includes at least one of the following: a manner of receiving a beam, a manner corresponding to a receiving antenna, a manner of receiving a sector, a reference signal, and a beam resource corresponding to the quasi-co-location indication of the antenna port.
  • the receiving manner includes at least one of: a manner corresponding to a reference signal index, a manner corresponding to a spatial domain receiving filter, and a manner corresponding to a spatial quasi-co-location.
  • the transmission power of the terminal in different transmission modes or different transmission mode groups uses different power offset values, where the transmission mode group is corresponding to the same base station or the same uplink receiving node.
  • a group consisting of multiple transmission modes, or the transmission mode group is a group consisting of multiple transmission modes indicated by the base station quasi-co-location QCL.
  • a determining device for transmitting power is applied to a terminal, including:
  • a receiving module configured to receive configuration signaling of the base station, where the configuration signaling is used to indicate a sending power parameter of the terminal in one or more sending manners;
  • a first predefined module configured to pre-define a transmit power parameter of the terminal in one or more transmission modes with the base station
  • a determining module configured to determine, according to the transmit power parameter, a transmit power of the terminal in one or more transmission modes.
  • the one or more transmission modes include at least one of the following:
  • the transmission method corresponding to the transmission beam, the transmission method corresponding to the transmission antenna type, the transmission method corresponding to the transmission sector, the transmission method corresponding to the precoding method at the transmitting end, the transmission method corresponding to the antenna port, the transmission method corresponding to the antenna weight vector, and the antenna weight The transmission method corresponding to the matrix, the transmission method corresponding to the space division multiplexing method, the transmission method corresponding to the frequency domain transmission diversity, and the transmission method corresponding to the time domain transmission diversity.
  • the one or more transmission modes include at least one of: a transmission mode corresponding to the reference signal index, a transmission mode corresponding to the spatial domain transmission filter, and a transmission mode corresponding to the spatial quasi-co-location.
  • the one or more transmission modes include at least one of the following:
  • the transmit power parameter includes at least one of the following:
  • the uplink transmission power adjustment value The uplink transmission power adjustment value, the allocation ratio of the uplink transmission power adjustment value between the plurality of spatial multiplexing layers, the index of the spatial multiplexing layer, the power adjustment enable bit of the spatial multiplexing layer, the bitmap of the spatial multiplexing layer, The path loss of the spatial multiplexing layer and the target power of the spatial multiplexing layer.
  • a determining device for transmitting power, applied to a base station comprising:
  • a sending module configured to send configuration signaling to the terminal, where the configuration signaling is used to indicate a sending power parameter of the terminal in one or more sending manners, and instruct the terminal to determine according to the sending power parameter Transmit power of the terminal in one or more transmission modes;
  • a second pre-defined module configured to pre-define a transmission power parameter of the terminal in one or more transmission modes with the terminal.
  • the one or more transmission modes include at least one of the following:
  • the transmission method corresponding to the transmission beam, the transmission method corresponding to the transmission antenna type, the transmission method corresponding to the transmission sector, the transmission method corresponding to the precoding method at the transmitting end, the transmission method corresponding to the antenna port, the transmission method corresponding to the antenna weight vector, and the antenna weight The transmission method corresponding to the matrix, the transmission method corresponding to the space division multiplexing method, the transmission method corresponding to the frequency domain transmission diversity, and the transmission method corresponding to the time domain transmission diversity.
  • the one or more transmission modes include at least one of: a transmission mode corresponding to the reference signal index, a transmission mode corresponding to the spatial domain transmission filter, and a transmission mode corresponding to the spatial quasi-co-location.
  • the one or more transmission modes include at least one of the following:
  • the transmit power parameter includes at least one of the following:
  • the uplink transmission power adjustment value The uplink transmission power adjustment value, the allocation ratio of the uplink transmission power adjustment value between the plurality of spatial multiplexing layers, the index of the spatial multiplexing layer, the power adjustment enable bit of the spatial multiplexing layer, the bitmap of the spatial multiplexing layer, The path loss of the spatial multiplexing layer and the target power of the spatial multiplexing layer.
  • a system for determining transmission power comprising:
  • the base station is configured to send configuration signaling to the terminal, where the configuration signaling is set to indicate a sending power parameter of the terminal in one or more sending manners, and is further configured to pre-define the terminal with the terminal. Transmit power parameters on one or more transmission modes;
  • the terminal is configured to determine, according to the transmit power parameter, a transmit power of the terminal in one or more transmission modes.
  • a computer readable storage medium storing computer executable instructions arranged to perform the above method.
  • a terminal comprising:
  • At least one processor At least one processor
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to cause the at least one processor to perform the method of terminal execution described above.
  • a base station comprising:
  • At least one processor At least one processor
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to cause the at least one processor to perform the method performed by the base station.
  • FIG. 1 is a block diagram showing the hardware structure of a computer terminal according to an embodiment
  • FIG. 2 is a flow chart of a method of determining transmit power, in accordance with an embodiment
  • FIG. 3 is a flowchart of a method of determining transmission power according to another embodiment
  • FIG. 4 is a structural block diagram of a determining apparatus for transmitting power according to an embodiment
  • FIG. 5 is a structural block diagram of a determining apparatus for transmitting power according to another embodiment
  • FIG. 6 is a schematic diagram of a hardware structure of a base station according to an embodiment.
  • uplink data between multiple different users in the same cell is orthogonal, and therefore, the LTE system (or the LTE-A system) adopts slow uplink power control.
  • the use of slow uplink power control allows the uplink transmission to adapt to different wireless transmission environments, such as a path loss (PL) environment or a shadow fading environment.
  • the object of the LTE power control includes a Physical Uplink Control CHannel (PUCCH), a Physical Uplink Shared Channel (PUSCH), and a Sounding Reference Signal (SRS).
  • PUCCH Physical Uplink Control CHannel
  • PUSCH Physical Uplink Shared Channel
  • SRS Sounding Reference Signal
  • the open loop industrial control point target power P0 + open loop path loss compensation ⁇ ⁇ (PL).
  • the target power P0 is further divided into two parts: the cell target power and the UE-specific target power.
  • the open loop PL is based on the UE's estimate of the path loss for the downlink.
  • the UE measures the downlink reference signal reference signal (Reference Signal Received Power, RSRP) and the known reference signal (Reference Signal, RS) (how much power is used when the reference signal base station transmits, and the terminal is notified by signaling) The signal power is subtracted to perform path loss estimation.
  • RSRP Reference Signal Received Power
  • RS Reference Signal Received Power
  • RS Reference Signal
  • the eNodeB determines the weight of the path loss in the uplink power control of the UE by the path loss compensation factor ⁇ . For example, for a UE at the edge of a cell, if its transmit power is too high, it will cause interference to other cells, thereby reducing the capacity of the entire system.
  • ⁇ is 1, the interference between different PUCCH users can be better controlled.
  • the dynamic power offset consists of two parts, based on the power modulation ⁇ TF of the Modulation Coding Scheme (MCS) and the power control of the closed loop.
  • the power adjustment based on the Modulation and Coding Scheme (MCS) may cause the UE to dynamically adjust the corresponding transmit power spectral density according to the selected MCS.
  • the power control of the closed loop refers to that the UE adjusts the transmit power of the UE by using a Transmitting Power Command (TPC) transmission power command in the PDCCH.
  • TPC Transmitting Power Command
  • Adjustment strategies can be divided into cumulative adjustment and absolute adjustment.
  • the cumulative adjustment mode is applicable to PUSCH, PUCCH, and SRS.
  • the absolute value adjustment mode is only applicable to PUSCH.
  • the conversion between the two different adjustment modes is semi-static, and the eNB indicates whether the UE adopts the accumulation mode or the absolute value mode through dedicated Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the cumulative mode means that the current power adjustment value is increased or decreased by the value of the last power adjustment, and the adjustment mode is the adjustment mode indicated in the TPC.
  • the accumulation mode is the adjustment mode used by the UE by default.
  • the cumulative mode TPC in LTE can have two sets of different adjustment steps, the first set of steps is (-1, 0, 1, 3) dB, and for PUSCH, indicated by DCI format 0 or 3. For PUCCH, indicated by DCI format 1, 1A, 1B, 1D, 2, 2A or 3.
  • the second set of steps is (-1, 1), indicated by DCI format 3A (for PUCCH and PUSCH).
  • the absolute value mode refers to directly using the power adjustment value indicated in the TPC, which is only applicable to PUSCH.
  • the eNodeB can explicitly turn off the power adjustment mode of the accumulation mode through RRC signaling.
  • the TPC value is (-4, -1, 1, 4) dB, indicated by DCI format 0 or 3, and the power adjustment range is up to 8 db.
  • This mode is applicable to the UE's discontinuous uplink transmission.
  • the eNodeB can be made to adjust the UE's transmit power to a desired value in one step.
  • High-frequency carrier communication has a large available bandwidth and can provide high-speed data communication.
  • a technical challenge faced by high-frequency carrier communication is that relatively low-frequency signals, high-frequency signals have large fading in space, which may cause spatial fading loss problems in high-frequency signals in outdoor communication. Due to the reduction in the wavelength of the high frequency signal, more antennas can be used so that communication can be based on the beam to compensate for fading losses in space.
  • the method based on digital beamforming increases cost and increases power loss because each antenna corresponds to a respective set of RF links. Therefore, the related art tends to adopt hybrid beamforming, that is, the radio frequency beam and the digital beam together form a final beam.
  • the high-frequency communication system will configure a large number of antennas to form a downlink transmission beam to compensate for the spatial fading of high-frequency communication, and the terminal will also be configured with a large number of The antenna forms an uplink transmission beam, and the base station side also selects an appropriate receiving beam to match the received uplink signal.
  • the terminal can use two different transmission waveforms, namely, discrete Fourier transform spread spectrum orthogonal frequency division multiplexing (DFT-S-OFDM) and cyclic prefix orthogonality. Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM), in which different transmission waveforms should have different uplink power control strategies.
  • DFT-S-OFDM discrete Fourier transform spread spectrum orthogonal frequency division multiplexing
  • CP-OFDM Cyclic Prefix Orthogonal Frequency Division Multiplexing
  • SRS Sounding Reference Signal
  • SRS Sounding Reference Signal
  • the base station may send and control a device node of the terminal for a base station of a macro cell, a base station or a transmission node of a small cell, a transmitting node in a high frequency communication system, a transmitting node in an Internet of Things system, and the like.
  • the terminal may be a receiving node in a communication system such as a user terminal (UE), a mobile phone, a portable device, or a car.
  • UE user terminal
  • the base station may be a transmitting node that sends signaling signaling
  • the terminal may be a receiving node that receives the signaling.
  • the steps shown in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and although logic is shown in the flowchart The order, but in some cases, the steps shown or described may be performed in a different order than the ones presented herein.
  • FIG. 1 is a block diagram showing a hardware structure of a computer terminal according to an embodiment.
  • computer terminal 10 may include one or more (only one shown) processor 102 (processor 102 may include, but is not limited to, a Microcontroller Unit (MCU) or a programmable logic device ( A Field-Programmable Gate Array (FPGA)), a memory 104 provided to store data, and a transmission device 106 having a communication function.
  • MCU Microcontroller Unit
  • FPGA Field-Programmable Gate Array
  • FIG. 1 is merely illustrative and does not limit the structure of the above electronic device.
  • the computer terminal 10 may further include more or less components than those shown in FIG. 1, or have different Configuration.
  • the memory 104 can be configured as a software program and a module for storing application software, such as a program instruction or module corresponding to a method for determining the transmission power in an embodiment, the processor 102 running the software program and the module stored in the memory 104, thereby The multi-function application and data processing are performed, that is, the methods in the following embodiments are implemented.
  • Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 104 may also include memory remotely located relative to processor 102, which may be coupled to computer terminal 10 via a network. Examples of such networks include the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 106 is arranged to receive or transmit data via a network.
  • the network described above may include a wireless network provided by a communication provider of computer terminal 10.
  • the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 can be a radio frequency (RF) module that is configured to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF radio frequency
  • an embodiment provides a method of determining the transmission power as shown in FIG. 2. As shown in Figure 2, the method includes the following steps.
  • the terminal receives the configuration signaling of the base station, where the configuration signaling is used to indicate the transmission power parameter of the terminal in one or more transmission modes; or the terminal and the base station pre-defined terminal are in one or more transmission modes. Send power parameters.
  • step 204 the terminal determines, according to the transmit power parameter, the transmit power of the terminal in one or more transmission modes.
  • the terminal receives the configuration signaling of the base station, where the configuration signaling is used to indicate the transmission power parameter of the terminal in one or more transmission modes; or the terminal and the base station pre-defined terminal are sent in one or more The transmission power parameter in the mode; the terminal determines the transmission power of the terminal in one or more transmission modes according to the transmission power parameter, and can solve the problem that the uplink signal transmission power is controlled in a single mode in the high-frequency communication in the related art, thereby satisfying the more flexible The measurement reference signal SRS transmission requirements.
  • the sending manner involved in the foregoing step 204 includes at least one of the following: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of a transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and an air separation complex.
  • the transmission manner involved in the foregoing step 204 includes at least one of the following: an orthogonal frequency division multiplexing method of discrete Fourier transform and a cyclic prefix orthogonal frequency division multiplexing.
  • the manner in which the terminal and the base station in the step 202 pre-define the sending power parameter of the terminal in one or more sending modes may include:
  • the transmit power parameter includes at least one of the following: an uplink transmit power adjustment value, an allocation ratio of the uplink transmit power adjustment value between the plurality of spatial multiplexing layers, an index of the spatial multiplexing layer, and a spatial multiplexing layer.
  • the power adjustment enable bit the bitmap of the spatial multiplexing layer, the path loss of the spatial multiplexing layer, and the target power of the spatial multiplexing layer.
  • the method may further include step 206 based on the foregoing transmit power parameter.
  • step 206 the terminal receives the RRC signaling or the MAC CE signaling sent by the base station, and the terminal acquires the power adjustment enable bit of the spatial multiplexing layer according to the RRC signaling or the MAC CE signaling, and the terminal also sends the physical downlink control signal sent by the base station. Let the uplink transmit power adjustment value be received.
  • the uplink multi-layer transmission corresponds to multiple spatial multiplexing layers, wherein the spatial multiplexing layer uses different modulation modes or modulation and coding modes.
  • the different modulation modes of the spatial multiplexing layer correspond to at least one of the following: the same power control parameter, different power offset values, and different uplink transmit power adjustment values, where the power control parameters include at least the following One: the target power of the terminal, the path loss of the terminal, and the path loss compensation factor of the terminal.
  • the method may further include step 208.
  • the terminal receives the radio resource control RRC signaling or the medium access control control unit MAC CE signaling sent by the base station, and the terminal acquires the uplink transmit power adjustment value in multiple spatial multiplexing layers according to the RRC signaling or the MAC CE signaling.
  • the ratio of the allocation between the terminals also receives the uplink transmission power adjustment value through the physical downlink control signaling sent by the base station.
  • the configuration signaling is further used to indicate at least one of the following: not triggering the measurement reference signal, triggering the measurement reference signal, and not performing transmission power adjustment, triggering the measurement reference signal, increasing the transmission power of the measurement reference signal by N dB, triggering the measurement reference signal, and The transmission power M dB of the measurement reference signal is reduced, wherein N is an integer greater than 0 and less than 20, and M is greater than 1 and less than an integer of 20.
  • the method may further include step 210 and step 212.
  • step 210 the terminal receives the downlink reference signal by using different receiving modes.
  • step 212 the terminal determines the received power RSRP of the downlink reference signal according to the received downlink reference signal, where the RSRP corresponding to different receiving modes uses different power offset values.
  • the terminal receives the downlink reference signal by using different receiving modes, including: the terminal uses different receiving modes to receive downlink reference signals from different downlink sending modes or different base stations or different sending nodes.
  • the receiving mode includes at least one of the following: a manner in which the receiving beam corresponds, a manner in which the receiving antenna corresponds, a manner in which the receiving sector corresponds, a reference signal, and a manner in which the beam resource of the receiving end of the antenna port indicates the receiving end. And a manner in which the reference reference signal and the beam resource of the receiving end indicated by the quasi-co-located QCL of the antenna port correspond.
  • the receiving manner includes at least one of: a manner of referring to a signal index, a manner of transmitting a filter by a spatial domain, and a manner of spatial quasi-co-location.
  • the method may further include step 214.
  • step 214 the terminal reports to the base station at least one of interference type and interference level of interference received on different receiving modes.
  • the transmission power of the terminal in different transmission modes or different transmission mode groups uses different power offset values, where the transmission mode group is multiple transmission modes corresponding to the same base station or the same uplink receiving node.
  • the composed group or the transmission mode group is a group consisting of multiple transmission modes indicated by the base station quasi-co-location QCL.
  • FIG. 3 is a flowchart of a method of determining transmission power according to the present embodiment. As shown in FIG. 3, a method of determining transmission power includes the following steps.
  • the base station sends configuration signaling to the terminal, where the configuration signaling is used to indicate the transmission power parameter of the terminal in one or more transmission modes, and the terminal is instructed to determine, according to the transmission power parameter, the terminal in one or more transmission modes. Transmit power on; or
  • the base station and the terminal predefine a transmission power parameter of the terminal in one or more transmission modes.
  • the sending manner includes at least one of the following: a transmitting beam, a transmitting antenna, a transmitting sector, a precoding of the transmitting end, an antenna port, an antenna weight vector, an antenna weight matrix, and a transmission method corresponding to the space division multiplexing mode.
  • the transmission mode corresponding to the frequency domain transmission diversity and the transmission mode corresponding to the time domain transmission diversity.
  • the one or more transmission modes include at least one of: a transmission mode corresponding to the reference signal index, a transmission mode corresponding to the spatial domain transmission filter, and a transmission mode corresponding to the spatial quasi-co-location.
  • the transmission mode includes at least one of the following: an orthogonal frequency division multiplexing method of discrete Fourier transform and a cyclic prefix orthogonal frequency division multiplexing.
  • the manner of the transmission power parameter of the base station and the terminal pre-defined terminal in one or more transmission modes in the foregoing step 302 can be implemented as follows: when the transmission mode is a cyclic prefix orthogonal frequency division multiplexing mode, the base station and the base station The terminal pre-defines the following transmit power parameters: the maximum transmit power actually used by the terminal.
  • the transmit power parameter includes at least one of the following: an uplink transmit power adjustment value, an allocation ratio of the uplink transmit power adjustment value between the plurality of spatial multiplexing layers, an index of the spatial multiplexing layer, and a spatial multiplexing layer.
  • the power adjustment enable bit the bitmap of the spatial multiplexing layer, the path loss of the spatial multiplexing layer, and the target power of the spatial multiplexing layer.
  • the uplink multi-layer corresponds to multiple spatial multiplexing layers, wherein the spatial multiplexing layer uses different modulation modes or modulation and coding modes.
  • the different modulation modes of the spatial multiplexing layer correspond to at least one of the following: the same power control parameter, different power offset values, and different uplink transmit power adjustment values, where the power control parameters include at least one of the following: Target power, path loss of the terminal, and path loss compensation factor of the terminal.
  • the method for determining transmit power in an embodiment may further include step 304.
  • the base station sends the radio resource control RRC signaling or the medium access control control unit MAC CE signaling to the terminal, where the RRC signaling or the MAC CE signaling is used to indicate that the terminal adjusts the value according to the acquired uplink transmit power in multiple spaces.
  • the base station further sends physical downlink control signaling to the terminal, where the physical downlink control signaling is used to instruct the terminal to receive the uplink transmit power adjustment value.
  • the method for determining the transmit power in an embodiment may further include:
  • the eNB sends the RRC signaling or the MAC CE signaling to the terminal, where the RRC signaling or the MAC CE signaling is used to instruct the terminal to obtain the power adjustment enable bit of the spatial multiplexing layer, and the base station further sends the physical downlink control signaling to the terminal.
  • the physical downlink control signaling is used to indicate that the terminal receives the uplink transmit power adjustment value.
  • the configuration signaling in the foregoing step 302 is further used to indicate at least one of the following: not triggering the measurement reference signal, triggering the measurement reference signal, not performing transmission power adjustment, triggering the measurement reference signal, and increasing the measurement reference signal. Transmitting power N dB, and triggering the measurement reference signal and reducing the transmission power M dB of the measurement reference signal, where N is an integer greater than 0 and less than 20, and M is greater than 1 and less than an integer of 20.
  • the determining method of the sending power may further include:
  • the base station sends the downlink reference signal to the terminal by using different downlink transmission modes, where different downlink transmission modes correspond to different reception modes of the terminal, and the downlink reference signal is used to instruct the terminal to determine the received power RSRP of the downlink reference signal, corresponding to different downlink transmissions.
  • the way RSRP uses different power offset values.
  • the determining method of the sending power further includes:
  • the base station receives at least one of an interference type and an interference level of interference received by the terminal on different receiving modes.
  • the receiving mode includes at least one of the following: a manner in which the receiving beam corresponds, a manner in which the receiving antenna corresponds, a manner in which the receiving sector corresponds, a reference signal, and a manner in which the beam resource of the receiving end of the antenna port indicates the receiving end. And a manner in which the reference reference signal and the beam resource of the receiving end indicated by the quasi-co-located QCL of the antenna port correspond.
  • the receiving manner includes at least one of: a manner corresponding to a reference signal index, a manner corresponding to a spatial domain receiving filter, and a manner corresponding to a spatial quasi-co-location.
  • the transmission power of the terminal in different transmission modes or different transmission mode groups uses different power offset values, where the transmission mode group is multiple transmission modes corresponding to the same base station or the same uplink receiving node.
  • the composed group or the transmission mode group is a group consisting of multiple transmission modes indicated by the base station quasi-co-location QCL.
  • the method of the foregoing embodiment may be implemented by means of software plus a general hardware platform, or may be implemented by hardware.
  • the above technical solution may be embodied in the form of a software product stored in a storage medium (such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk or
  • a storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk or
  • the optical disc includes one or more instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods of the various embodiments described above.
  • a determining device for transmitting power is provided, which is used to implement the above embodiment.
  • the term “module” can implement at least one of software and hardware for a predetermined function.
  • FIG. 4 is a structural block diagram of a determining apparatus for transmitting power according to an embodiment.
  • the apparatus is applied to a terminal side, as shown in FIG. 4, and includes a receiving module 42, a first pre-defined module 44, and a determining module 46.
  • the receiving module 42 is configured to receive configuration signaling of the base station, where the configuration signaling is used to indicate a transmission power parameter of the terminal in one or more transmission modes.
  • the first pre-defined module 44 is configured to pre-define the transmit power parameters of the terminal in one or more transmission modes with the base station.
  • the determining module 46 is coupled to the receiving module 42 and the first predefined module 44 and is configured to determine the transmit power of the terminal in one or more transmission modes according to the transmit power parameter.
  • the sending manner includes at least one of the following:
  • the transmission method corresponding to the transmission beam, the transmission method corresponding to the transmission antenna type, the transmission method corresponding to the transmission sector, the transmission method corresponding to the precoding method at the transmitting end, the transmission method corresponding to the antenna port, the transmission method corresponding to the antenna weight vector, and the antenna weight The transmission method corresponding to the matrix, the transmission method corresponding to the space division multiplexing method, and the transmission method corresponding to the frequency domain/time domain transmission diversity.
  • the transmission mode includes at least one of the following: an orthogonal frequency division multiplexing method of discrete Fourier transform and a cyclic prefix orthogonal frequency division multiplexing.
  • the transmit power parameter includes at least one of the following: an uplink transmit power adjustment value, an allocation ratio of the uplink transmit power adjustment value between the plurality of spatial multiplexing layers, an index of the spatial multiplexing layer, and a spatial multiplexing layer.
  • the power adjustment enable bit the bitmap of the spatial multiplexing layer, the path loss of the spatial multiplexing layer, and the target power of the spatial multiplexing layer.
  • FIG. 5 is a structural block diagram of a determining apparatus for transmitting power according to an embodiment.
  • the apparatus is applied to a base station side.
  • the apparatus includes a transmitting module 52 and a second predefined module 54.
  • the sending module 52 is configured to send configuration signaling to the terminal, where the configuration signaling is used to indicate the sending power parameter of the terminal in one or more sending manners, and instruct the terminal to determine, according to the sending power parameter, that the terminal sends in one or more The transmit power in the mode.
  • the second pre-defined module 54 is configured to transmit power parameters on the one or more transmission modes with the terminal predefined terminal.
  • the transmission mode includes at least one of the following: a transmission mode corresponding to the transmission beam, a transmission mode corresponding to the transmission antenna type, a transmission mode corresponding to the transmission sector, a transmission mode corresponding to the precoding mode of the transmitting end, and an antenna port corresponding.
  • the transmission mode includes at least one of the following: an orthogonal frequency division multiplexing method of discrete Fourier transform and a cyclic prefix orthogonal frequency division multiplexing.
  • the transmit power parameter includes at least one of the following: an uplink transmit power adjustment value, an allocation ratio of the uplink transmit power adjustment value between the plurality of spatial multiplexing layers, an index of the spatial multiplexing layer, and a spatial multiplexing layer.
  • the power adjustment enable bit the bitmap of the spatial multiplexing layer, the path loss of the spatial multiplexing layer, and the target power of the spatial multiplexing layer.
  • An embodiment provides a system for determining transmit power, the system comprising: a base station and a terminal.
  • the base station is configured to send configuration signaling to the terminal, where the configuration signaling is used to indicate the transmission power parameter of the terminal in one or more transmission modes, and is also set to be sent in one or more transmission modes with the terminal predefined terminal. Power parameters.
  • the terminal is arranged to determine the transmission power of the terminal on one or more transmission modes according to the transmission power parameter.
  • the base station determines at least one of a transmit power adjustment value and a transmit power parameter of the terminal in one or more transmission modes, and notifies the terminal by signaling.
  • the sending manner includes at least one of the following: a transmit beam, a transmit antenna, a transmit sector, an origin precoding, an antenna port, an antenna weight vector, an antenna weight matrix, a space division multiplexing mode, and a frequency domain/time domain transmission. separation.
  • the status indicated by the signaling includes at least one of: indicating that the measurement reference signal is not triggered, indicating that the measurement reference signal is triggered, and not performing transmission power adjustment, indicating that the measurement reference signal is triggered, and adding the measurement
  • the transmit power of the reference signal, N dB, and the transmit power M dB used to indicate the trigger measurement reference signal and reduce the measurement reference signal, where N is an integer between 0 and 20, and M is an integer between 1 and 20.
  • the base station and the terminal pre-define the transmission power adjustment value or the transmission power parameter of the terminal when the transmission mode or the transmission waveform is cyclic prefix orthogonal frequency division multiplexing, including: the maximum transmit power that can be actually used by the predefined terminal is (terminal Maximum transmit power - power offset value K dBm or dB), where K is a value between 0 and 20.
  • the base station and the terminal are mutually defined.
  • the layers using different modulation modes use the same power parameter, different power offset values, or uplink transmit power adjustment values, where the power parameters include at least one of the following: UE specific target power, path loss PL, and path loss compensation factor.
  • the transmission power calculation of the first layer may be:
  • Power spectral density transmitted by the UE ie, power per RB
  • the transmit power calculation for Layer 1 can be:
  • Power spectral density transmitted by the UE ie, power per RB
  • the power difference between the first layer and the second layer is the power offset value of 3 dB used for the transmission power of the second layer.
  • the base station configures the uplink transmit power adjustment value in multiple spatial multiplexing layers by using Radio Resource Control (RRC) signaling or Media Access Control Control Element (MAC CE) signaling.
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • the user terminal uses two transmission layers in the uplink, which are layer 1 and layer 2 respectively, and the uplink transmission power adjustment value is allocated to the ratio between the two transmission layers by 1:2, and the base station uses the downlink control signaling as the user.
  • the terminal indicates that the total uplink transmission power adjustment value is 3 dBm, the transmission power adjustment value on the transmission layer 1 is 1 dBm, and the transmission power adjustment value on the transmission layer 2 is 2 dBm.
  • the base station configures a power adjustment enable bit of the spatial multiplexing layer by using RRC signaling or MAC CE signaling, and indicates an uplink transmit power adjustment value by using physical downlink control signaling.
  • the user terminal uses four transmission layers in the uplink, namely, the transmission layer 1, the transmission layer 2, the transmission layer 3, and the transmission layer 4.
  • the power adjustment enable bit of the transmission layer is 1010, and the base station indicates to the user terminal by using downlink control signaling.
  • the transmission power adjustment value on the transmission layer 1 is 3 dB
  • the transmission power adjustment is not performed on the transmission layer 2
  • the transmission power adjustment value on the transmission layer 3 is 3 dB, and is transmitted. Transmit power adjustment is not performed on layer 4.
  • the base station indicates, by the downlink control signaling, that the total uplink transmit power adjustment value is 3 dB for the user terminal, and the transmit power adjustment value on the transmit layer 1 is 3dB, no transmission power adjustment is performed on the transmission layer 2, the transmission layer 3, and the transmission layer 4.
  • the terminal receives reference signals from different transmission modes or different base stations or different transmitting nodes in different receiving manners to determine a Reference Signal Received Power (RSRP), which is different from different sending modes or different.
  • RSRP Reference Signal Received Power
  • the RSRP of the base station or different transmitting nodes uses different power offset values.
  • the terminal needs to perform RSRP measurement on the downlink pilot of the macro base station, and RSRP measurement on the downlink pilot transmitted by the base station of the small cell small cell to determine whether the terminal accesses the small cell or the macro. Community.
  • the terminal adds a power offset value L to the RSRP from the small cell as the final RSRP from the small cell. In this way, the probability of the terminal accessing the small cell is increased, and the traffic of the macro cell is reduced, thereby balancing the services of the macro cell and the small cell.
  • An embodiment provides a storage medium that can be used to store the program code executed by the method for determining the transmission power provided in the first embodiment.
  • the storage medium may be located in any one of the computer terminal groups in the computer network, or in any one of the mobile terminal groups.
  • the storage medium is arranged to store program code for performing the following steps:
  • An embodiment provides a storage medium that can be used to store program code executed by the method for determining transmission power provided by the above embodiments.
  • the storage medium may be located in any one of the computer terminal groups in the computer network, or in any one of the mobile terminal groups.
  • the storage medium is arranged to store program code for performing the following steps:
  • the configuration signaling is used to indicate a sending power parameter of the terminal in one or more sending manners, and instructing the terminal to determine, according to the sending power parameter, the terminal is in a Or transmit power on multiple transmission methods;
  • An embodiment provides a computer readable storage medium storing computer executable instructions arranged to perform the method of any of the above embodiments.
  • the base station includes:
  • At least one processor 60 is exemplified by a processor 60 in FIG. 6; a memory 61; and a communication interface 62 and a bus 63.
  • the processor 60, the memory 61, and the communication interface 62 can complete communication with each other through the bus 63.
  • the processor 60 can call the logic instructions in the memory 61 to perform the method performed by the base station in the above embodiments.
  • logic instructions in the memory 61 described above may be implemented in the form of software functional units and sold or used as separate products, and may be stored in a computer readable storage medium.
  • the memory 61 is a computer readable storage medium and can be used to store a software program, a computer executable program, such as a program instruction or a module corresponding to a method executed by a base station in the above embodiment.
  • the processor 60 executes the function application and data processing by executing software programs, instructions or modules stored in the memory 61, i.e., implements the method performed by the base station in the above embodiments.
  • the memory 61 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to usage of the terminal device, and the like. Further, the memory 61 may include a high speed random access memory, and may also include a nonvolatile memory.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or may be integrated into Another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, unit or module, and may be electrical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units.
  • the plurality of functional units in one embodiment may be integrated into one processing unit, or a plurality of units may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. All or part of the above technical solutions may be embodied in the form of a software product stored in a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server or a network device) Etc.) Perform all or part of the steps of the method described in the various embodiments above.
  • the foregoing storage medium includes a plurality of media that can store program codes, such as a USB flash drive, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk.
  • the method, device and system for determining the transmission power can solve the problem that the control method of the uplink signal transmission power in the high-frequency communication in the related art is single.

Landscapes

  • 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 détermination de puissance d'émission qui comprend les étapes suivantes : un terminal reçoit un signalement de configuration d'une station de base indiquant un paramètre de puissance d'émission utilisé par le terminal dans un ou plusieurs procédés d'émission ou le terminal et la station de base prédéfinissent le paramètre de puissance d'émission utilisé par le terminal dans le ou les procédés d'émission ; et le terminal détermine, en fonction du paramètre de puissance d'émission, la puissance d'émission du terminal utilisée dans le ou les procédés d'émission.
PCT/CN2017/120317 2017-01-09 2017-12-29 Procédé, dispositif et système de détermination de puissance d'émission WO2018127022A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710014029.9A CN108289324A (zh) 2017-01-09 2017-01-09 发送功率的确定方法、装置及***
CN201710014029.9 2017-01-09

Publications (1)

Publication Number Publication Date
WO2018127022A1 true WO2018127022A1 (fr) 2018-07-12

Family

ID=62789254

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/120317 WO2018127022A1 (fr) 2017-01-09 2017-12-29 Procédé, dispositif et système de détermination de puissance d'émission

Country Status (2)

Country Link
CN (1) CN108289324A (fr)
WO (1) WO2018127022A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110535593A (zh) * 2018-09-28 2019-12-03 中兴通讯股份有限公司 信号发送、资源确定方法、装置、终端、基站和存储介质
CN110740503A (zh) * 2018-07-19 2020-01-31 ***通信有限公司研究院 传输功率的指示方法、装置及网络节点
CN111818301A (zh) * 2020-06-18 2020-10-23 珠海云海创远科技有限公司 Cofdm图传***功率调节方法、***和反馈装置
CN112398606A (zh) * 2019-08-14 2021-02-23 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN112740736A (zh) * 2018-07-13 2021-04-30 株式会社Ntt都科摩 用户终端以及基站
CN112911694A (zh) * 2021-02-05 2021-06-04 陕西天基通信科技有限责任公司 一种利用4g场强计算5g直放站上行发射开环功率控制的方法
CN113453339A (zh) * 2020-03-24 2021-09-28 维沃移动通信有限公司 功率调整方法及节点设备
CN114339974A (zh) * 2019-06-14 2022-04-12 Oppo广东移动通信有限公司 无线通信的方法、终端设备和网络设备

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108112065B (zh) * 2017-05-05 2023-09-26 中兴通讯股份有限公司 发送功率的确定、信令配置方法及装置、终端、基站
CN115379544A (zh) * 2018-08-03 2022-11-22 中兴通讯股份有限公司 功率确定方法、网络设备和存储介质
CN110858997B (zh) * 2018-08-23 2023-09-22 维沃移动通信有限公司 用于确定物理上行控制信道发送功率的方法和设备
US10856227B2 (en) 2018-09-28 2020-12-01 Mediatek Inc. Triggering adaptation mechanisms for UE power-saving
CN111436036B (zh) * 2019-01-11 2022-03-29 华为技术有限公司 功率控制方法及功率控制装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101002403A (zh) * 2004-08-11 2007-07-18 Lg电子株式会社 无线通信***中的上行链路传输功率控制
CN101998596A (zh) * 2009-08-17 2011-03-30 夏普株式会社 上行多输入多输出信道的功率控制方法
CN102014447A (zh) * 2008-03-25 2011-04-13 富士通株式会社 无线通信方法、终端装置、基站装置及无线通信***
CN102821449A (zh) * 2011-06-08 2012-12-12 中兴通讯股份有限公司 一种上行信号发射功率削减的方法和装置
CN104363645A (zh) * 2009-09-08 2015-02-18 Lg电子株式会社 在无线通信***中控制发送功率的方法和装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8379581B2 (en) * 2008-12-08 2013-02-19 Sharp Kabushiki Kaisha Systems and methods for uplink power control
CN102958146B (zh) * 2011-08-17 2016-08-10 华为技术有限公司 终端发射上行信号的方法和终端
CN103312484B (zh) * 2012-03-16 2017-12-29 中兴通讯股份有限公司 探测参考信号发射功率的控制方法、用户设备和基站
KR102160693B1 (ko) * 2013-04-23 2020-09-29 삼성전자주식회사 무선 통신 시스템에서 상향링크 전력 제어 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101002403A (zh) * 2004-08-11 2007-07-18 Lg电子株式会社 无线通信***中的上行链路传输功率控制
CN102014447A (zh) * 2008-03-25 2011-04-13 富士通株式会社 无线通信方法、终端装置、基站装置及无线通信***
CN101998596A (zh) * 2009-08-17 2011-03-30 夏普株式会社 上行多输入多输出信道的功率控制方法
CN104363645A (zh) * 2009-09-08 2015-02-18 Lg电子株式会社 在无线通信***中控制发送功率的方法和装置
CN102821449A (zh) * 2011-06-08 2012-12-12 中兴通讯股份有限公司 一种上行信号发射功率削减的方法和装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112740736B (zh) * 2018-07-13 2024-04-16 株式会社Ntt都科摩 用户终端以及基站
CN112740736A (zh) * 2018-07-13 2021-04-30 株式会社Ntt都科摩 用户终端以及基站
CN110740503A (zh) * 2018-07-19 2020-01-31 ***通信有限公司研究院 传输功率的指示方法、装置及网络节点
CN110740503B (zh) * 2018-07-19 2022-09-16 ***通信有限公司研究院 传输功率的指示方法、装置及网络节点
CN110535593B (zh) * 2018-09-28 2022-12-02 中兴通讯股份有限公司 信号发送、资源确定方法、装置、终端、基站和存储介质
CN110535593A (zh) * 2018-09-28 2019-12-03 中兴通讯股份有限公司 信号发送、资源确定方法、装置、终端、基站和存储介质
CN114339974A (zh) * 2019-06-14 2022-04-12 Oppo广东移动通信有限公司 无线通信的方法、终端设备和网络设备
CN112398606B (zh) * 2019-08-14 2022-11-08 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN112398606A (zh) * 2019-08-14 2021-02-23 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
CN113453339A (zh) * 2020-03-24 2021-09-28 维沃移动通信有限公司 功率调整方法及节点设备
CN113453339B (zh) * 2020-03-24 2023-04-07 维沃移动通信有限公司 功率调整方法及节点设备
CN111818301A (zh) * 2020-06-18 2020-10-23 珠海云海创远科技有限公司 Cofdm图传***功率调节方法、***和反馈装置
CN112911694A (zh) * 2021-02-05 2021-06-04 陕西天基通信科技有限责任公司 一种利用4g场强计算5g直放站上行发射开环功率控制的方法

Also Published As

Publication number Publication date
CN108289324A (zh) 2018-07-17

Similar Documents

Publication Publication Date Title
WO2018127022A1 (fr) Procédé, dispositif et système de détermination de puissance d'émission
JP7032442B2 (ja) ワイヤレス電力制御のシステムおよび方法
US11006374B2 (en) Method and apparatus for transmitting power headroom information in a communication system
KR102430558B1 (ko) 무선 통신 시스템에서 단말의 송신 전력 제어 방법 및 장치
JP6938674B2 (ja) アップリンク送信のための電力制御の方法
CN108112065B (zh) 发送功率的确定、信令配置方法及装置、终端、基站
CN108924920B (zh) 发送功率的确定方法和配置方法，终端和基站
WO2018059248A1 (fr) Procédé et dispositif de traitement de puissance de transmission de signal de liaison montante, station de base et terminal
WO2022241605A1 (fr) Régulation de la puissance d'émission dans des réseaux de communication sans fil
WO2022133870A1 (fr) Appareils et procédés pour spectre flexible
WO2022133869A1 (fr) Appareils et procédés pour spectre flexible
CN108401283B (zh) 通信节点之间的信息交互方法及装置
US12052671B2 (en) Method and device for controlling transmission power of terminal in wireless communication system
US20220110071A1 (en) Power headroom reporting for simultaneous transmissions of new radio pucch and pusch on different component carriers

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17890536

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17890536

Country of ref document: EP

Kind code of ref document: A1