[go: up one dir, main page]

WO2018171417A1 - Procédé de commande de puissance, terminal, et dispositif de réseau - Google Patents

Procédé de commande de puissance, terminal, et dispositif de réseau Download PDF

Info

Publication number
WO2018171417A1
WO2018171417A1 PCT/CN2018/078078 CN2018078078W WO2018171417A1 WO 2018171417 A1 WO2018171417 A1 WO 2018171417A1 CN 2018078078 W CN2018078078 W CN 2018078078W WO 2018171417 A1 WO2018171417 A1 WO 2018171417A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmit power
terminal
power control
network device
uplink channel
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/078078
Other languages
English (en)
Chinese (zh)
Inventor
窦圣跃
王婷
任海豹
李元杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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
Priority claimed from CN201710334261.0A external-priority patent/CN108632970B/zh
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2018171417A1 publication Critical patent/WO2018171417A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Definitions

  • the present application relates to the field of communications, and more particularly to a power control method, terminal, and network device.
  • NR new radio access technology
  • CoMP coordinated multiple point
  • data may be sent to the base station of the serving cell and the base station of the coordinated cell through the uplink channel, or the uplink control information (UCI) may be reported.
  • the UCI may be, for example, information such as channel state information (CSI), acknowledgement (ACK), and negative acknowledgement (NACK).
  • CSI channel state information
  • ACK acknowledgement
  • NACK negative acknowledgement
  • the method of reporting the CSI by using the air interface may be considered. That is, the terminal measures the CSI1 between the terminal and the base station of the serving cell and the CSI2 of the base station between the terminal and the coordinated cell through a physical uplink control channel (PUCCH) or a physical uplink shared channel (physical uplink).
  • the shared channel (PUSCH) is respectively fed back to the base station of the serving cell and the base station of the coordinated cell.
  • the terminal may report one PUCCH or one PUSCH with a certain transmit power, where the PUCCH or the PUSCH includes both the CSI1 of the base station of the serving cell and the CSI2 of the base station of the coordinated cell. It is also possible for the terminal to report one PUCCH or PUSCH with a certain transmission power for each base station.
  • the uplink power control is required regardless of the manner in which the terminal reports.
  • the terminal reports UCI or sends uplink data through the uplink channel how to perform the transmission power control of the uplink channel becomes an urgent problem to be solved.
  • the present application provides a power control method, a terminal, and a network device, which can determine an uplink channel transmit power according to multiple transmit power control commands, thereby ensuring efficient and reasonable power allocation and improving overall system performance.
  • the first aspect provides a power control method, including: receiving, by a terminal, at least one downlink control information (DCI) sent by at least one network device, where the at least one DCI includes at least two transmit power control commands; And determining uplink transmit power in the same carrier according to the at least two transmit power control commands.
  • DCI downlink control information
  • the uplink channel may be a PUCCH and/or a PUSCH.
  • the transmit power control command may be a TPC (transmission power control) command.
  • the terminal can determine the uplink channel transmit power according to multiple transmit power control commands, thereby ensuring efficient and reasonable power allocation and improving overall system performance.
  • the terminal receives the at least one downlink control information DCI sent by the at least one network device, where the terminal receives the DCI sent by the first network device, where the DCI sent by the first network device includes the terminal
  • the transmit power control command may be a TPC command. Therefore, according to the embodiment of the present application, an existing TPC command for the terminal may be extended to multiple TPC commands for the terminal, and the actual requirements of the system have been met.
  • the at least two transmit power control commands occupy n bits, and n is a positive integer greater than 2, and the correspondence between the n bits and the at least two transmit power control commands is High-level signaling is configured or predefined.
  • the high layer signaling may be 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 terminal determines, according to the at least two transmit power control commands, an uplink channel transmit power in the same carrier, including: the adjustment step or absolute indicated by the terminal according to each transmit power control command.
  • the power adjustment value determines the uplink channel transmission power.
  • the terminal determines, according to the at least two transmit power control commands, the uplink channel transmit power in the same carrier, where the terminal determines the target transmit power control command in the at least two transmit power control commands.
  • the terminal determines an uplink channel transmit power in the same carrier according to the target transmit power control command.
  • the terminal determines the target transmit power control command in the at least two transmit power control commands, including: the resource location, the aggregation level, the scrambling mode, and the included number of the terminal according to the at least one DCI
  • the at least one of the indication information determines the target transmission power control command.
  • the terminal determines, as the target transmit power control command, a transmit power control command included in a DCI that satisfies at least one of the following conditions in the at least one DCI:
  • the first indication information included in the target resource location, the aggregation level is the target aggregation level, and the scrambling mode is the target scrambling mode, and the first indication information included is the target first indication information.
  • the determining, by the terminal, the target transmit power control command in the at least two transmit power control commands the determining, by the terminal, the candidate DCI in the at least one DCI, where the candidate DCI is determined by a predefined manner or It is determined by the interaction between network devices;
  • the terminal determines a transmit power control command included in the candidate DCI as the target transmit power control command.
  • the determining, by the terminal, the candidate DCI in the at least one DCI including: at least one of the resource location, the aggregation level, the scrambling mode, and the included first indication information, where the terminal is located according to the multiple DCIs And determining the candidate DCI.
  • the determining, by the terminal, the candidate DCI in the at least one DCI the determining, by the terminal, the DCI that satisfies at least one of the following conditions as the candidate DCI: carrying the target resource location, and the aggregation level is the target
  • the aggregation level and the scrambling mode are the target scrambling mode
  • the first indication information included is the target first indication information.
  • the candidate DCI is sent by a serving network device of the terminal.
  • the resource location is any one of the following:
  • the terminal determines, according to the at least two transmit power control commands, the uplink channel transmit power in the same carrier, where the terminal determines, according to the at least two transmit power control commands, at least two candidates respectively. Transmit power, the at least two candidate transmit powers are in one-to-one correspondence with the at least two transmit power control commands; the terminal determines the uplink channel transmit power according to the at least two candidate transmit powers.
  • the terminal determines, according to the at least two candidate transmit powers, the uplink channel transmit power in the same carrier, including: the terminal, the minimum transmit power of the at least two candidate transmit powers, the minimum The transmit power, or an average of the at least two candidate transmit powers, is determined as the uplink channel transmit power.
  • determining the maximum transmit power of the at least two candidate transmit powers as the uplink channel transmit power uplink channel transmission stability can be ensured.
  • determining the minimum transmit power of the at least two candidate transmit powers as the uplink channel transmit power interference to other terminals of the own cell can be reduced.
  • the terminal determines, according to the at least two candidate transmit powers, the uplink channel transmit power in the same carrier, where: the terminal may determine, by using a weighted sum of the at least two candidate transmit powers, the uplink channel. Transmit power.
  • the weight of each candidate transmit power may be calculated by the terminal, or may be configured by the network device, or may be predefined, which is not specifically limited in this embodiment of the present application.
  • the terminal determines the uplink channel transmit power in the same carrier according to the at least two transmit power control commands, including: the terminal according to the first transmit power in the at least two transmit power control commands Control commands to determine the uplink channel transmit power.
  • a second aspect provides a power control method, including: receiving, by a terminal, downlink control information DCI sent by a first network device, where the DCI includes at least two transmit power control commands of the terminal; and the terminal according to the at least two transmit powers Controlling a command, determining an uplink channel transmit power of each of the at least two network devices, the at least two network devices being in one-to-one correspondence with the at least two transmit power control commands, the at least two network devices including the first Internet equipment.
  • the terminal can determine the uplink channel transmit power according to multiple transmit power control commands, thereby ensuring efficient and reasonable power allocation and improving overall system performance.
  • the at least two transmit power control commands occupy n bits, and n is a positive integer greater than 2, and the correspondence between the n bits and the at least two transmit power control commands is High-level signaling is configured or predefined.
  • the terminal determines, according to the at least two transmit power control commands, an uplink channel transmit power of each of the at least two network devices, including: the terminal controls commands according to each transmit power.
  • the indicated adjustment step or absolute power adjustment value determines the uplink channel transmission power of each network device.
  • the terminal determines, according to the adjustment step or the absolute power adjustment value indicated by each transmit power control command, the uplink channel transmit power of each network device, including: the terminal according to each The adjustment step indicated by the transmit power control command and the propagation loss corresponding to the uplink channel of each network device, or the absolute power adjustment value indicated by the each transmit power control command and the uplink channel of each network device The corresponding propagation loss determines the uplink channel transmit power of each network device.
  • the propagation loss corresponding to the uplink channel of each network device is indicated by the indication information or the high layer signaling in the DCI.
  • the terminal determines, according to the at least two transmit power control commands, an uplink channel transmit power of each of the at least two network devices, including:
  • the terminal determines an ith candidate transmit power P 1i of the at least two candidate transmit powers according to an ith transmit power control command of the at least two transmit power control commands, the at least two transmit power control commands and the at least The two candidate transmit powers are in one-to-one correspondence, i traverses the value in the range of [1, N], and i is a positive integer, N is the number of the at least two uplink channels, and N is a positive integer greater than 1, P 1i >0;
  • the terminal determines that the transmit power of the uplink channel of the i th network device of the at least two network devices is P 1i ; or
  • the terminal determines the transmit power P 2i of the i-th uplink channel according to any of the following formulas:
  • P 2i is the maximum transmit power of the terminal
  • a 0 and a i are scaling factors, 0 ⁇ a 0 ⁇ 1, a i ⁇ 0.
  • the terminal can ensure that the power of the uplink transmission is smaller than the maximum transmission power of the terminal by means of power scaling according to the received multiple power control commands.
  • the scaling factor a i is determined according to a priority of an uplink channel of the i th network device.
  • a third aspect provides a power control method, including: a network device sending downlink control information DCI to a terminal, where the DCI includes at least two transmit power control commands of the terminal, where the at least two transmit power control commands are used for the terminal Determining a transmit power of the at least one uplink channel; the network device receiving the first uplink channel of the at least one uplink channel sent by the terminal.
  • the at least two transmit power control commands occupy n bits, and n is a positive integer greater than 2, and the correspondence between the n bits and the at least two transmit power control commands is High-level signaling is configured or predefined.
  • the DCI further includes indication information, where the indication information is used to indicate a propagation loss corresponding to each of the at least one uplink channel.
  • a terminal for performing the method of the first aspect or any possible implementation of the first aspect.
  • the terminal comprises means for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a terminal for performing the method of the second aspect or any possible implementation of the second aspect.
  • the terminal comprises means for performing the method of any of the second aspect or any of the possible implementations of the second aspect.
  • a network device for performing the method of any of the third or third possible implementations.
  • the terminal comprises means for performing the method of any of the third or third aspects of the possible implementation.
  • a terminal comprising a memory and a processor, the memory for storing a computer program, the processor for calling and running the computer program from the memory, such that the system performs the first aspect and the first A method in any possible implementation on the one hand.
  • a terminal comprising a memory and a processor, the memory for storing a computer program, the processor for calling and running the computer program from the memory, such that the system performs the second aspect and the A method in any of the possible implementations of the two aspects.
  • a network device comprising a memory and a processor for storing a computer program, the processor for calling and running the computer program from the memory, such that the system performs the third aspect described above And a method in any of the possible implementations of the third aspect.
  • a computer readable storage medium for storing a computer program, the computer program comprising instructions for performing the methods of the above aspects and any of the possible implementations of the above aspects.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the methods of the above aspects and any of the possible implementations of the above aspects.
  • FIG. 1 is a schematic diagram of a system architecture of a power control method according to the present application.
  • FIG. 2 is a schematic flow chart of a power control method according to the present application.
  • FIG. 3 is a schematic flow chart of a specific embodiment of a power control method according to the present application.
  • FIG. 4 is a schematic flow chart of another specific embodiment of a power control method according to the present application.
  • FIG. 5 is a schematic flow chart of another power control method according to the present application.
  • Figure 6 is a schematic block diagram of a terminal in accordance with the present application.
  • FIG. 7 is a schematic block diagram of another terminal in accordance with the present application.
  • Figure 8 is a schematic block diagram of a network device in accordance with the present application.
  • FIG. 9 is a schematic block diagram of a terminal in accordance with the present application.
  • FIG. 10 is a schematic block diagram of another terminal in accordance with the present application.
  • FIG. 11 is a schematic block diagram of a network device in accordance with the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA Wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • LTE-A advanced long term evolution
  • UMTS universal mobile telecommunication system
  • 5G system or NR system
  • FIG. 1 illustrates a wireless communication system 100 suitable for use with embodiments of the present application.
  • the wireless communication system 100 can include a plurality of network devices, such as the first network device 110 and the second network device 120 shown in FIG. Both the first network device 110 and the second network device 120 can communicate with the terminal 130 through a wireless air interface.
  • the first network device 110 and the second network device 120 can provide communication coverage for a particular geographic area and can communicate with terminals located within the coverage area.
  • the first network device 110 or the second network device 120 may be a base transceiver station (BTS) in a GSM system or a CDMA system, or may be a base station (NodeB) in a WCDMA system, or may be an evolution in an LTE system.
  • BTS base transceiver station
  • NodeB base station
  • the embodiment of the present application is not particularly limited in the embodiment of the present application, such as an evolutional Node B (eNB or eNodeB), or a transmission and reception point (TRP).
  • the network device involved in the embodiment of the present application may be a network device adopting a CU-DU architecture.
  • the network device that performs the method of the embodiment of the present application may be a centralized unit (CU) or a distributed unit (DU), where the CU may also be referred to as a central unit or a control. Control unit.
  • the wireless communication system 100 also includes one or more terminals 130 located within the coverage of the first network device 110 and the second network device 120.
  • the terminal 130 can be mobile or fixed.
  • the terminal 130 may communicate with one or more core networks via a radio access network (RAN), and the terminal may be referred to as a terminal device, an access terminal, a user equipment (UE), and a user.
  • RAN radio access network
  • the terminal can be referred to as a terminal device, an access terminal, a user equipment (UE), and a user.
  • RAN radio access network
  • UE user equipment
  • Unit subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless communication device, user agent or user device.
  • the terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), and a wireless communication function.
  • the wireless communication system 100 can support CoMP transmission, i.e., multiple cells or multiple transmission points can cooperate to transmit data to the same terminal within the same carrier and for the same time period.
  • the multiple cells may belong to the same network device or different network devices, and may be selected according to channel gain or path loss, received signal strength, received signal instructions, and the like.
  • the terminal 130 in the wireless communication system 100 can support multipoint transmission, that is, the terminal 130 can communicate with the first network device 110 or with the second network device 120, wherein the first network device 110 can serve as a primary network.
  • the device or primary cell, the second network device 120 can function as a cooperative network device or a coordinated cell.
  • the first network device 110 may function as a cooperative network device or a coordinated cell
  • the second network device 120 may serve as a primary network device or a primary cell.
  • the primary network device refers to the network device that provides the terminal with the RRC connection, the non-access stratum (NAS) mobility management, and the security input through the wireless air interface protocol.
  • NAS non-access stratum
  • the first network device is the primary network device
  • the second network device is the cooperative network device.
  • the number of the second network devices may be one or more. It can be understood that the first network device and the second network device can both be service network devices.
  • the search space may include: a common search space and a UE-specific search space.
  • the common search space is used for transmitting common information at the cell level, and may include, for example, control information related to paging, random access response (RAR), broadcast control channel (BCCH), and the like.
  • the UE-specific search space is used for transmitting terminal (or UE) level information, and may include, for example, a downlink shared channel (DL-SCH), an uplink shared channel (UL-SCH), and the like. Control information.
  • DL-SCH downlink shared channel
  • UL-SCH uplink shared channel
  • the common search space and the UE-specific search space are two types of search spaces defined in the LTE protocol.
  • the UE-specific search space is taken as an example for illustration, but this application should not constitute any limitation, and the application does not exclude The possibility of re-division or redefinition of the search space may be defined as a UE-specific search space described in the embodiment of the present application as long as it is a resource for transmitting information at the terminal level.
  • a search space is defined for a CCE aggregation level.
  • a terminal device may have multiple search spaces, and CCEs in each search space may be continuously distributed.
  • the terminal device needs to monitor a group of PDCCH control channels, and the group of monitored PDCCH control channels may be referred to as a “control channel candidate set”. (candidate control channel set)", or "control channel candidate”.
  • a CCE is composed of 9 resource element groups (REGs), and one REG is composed of resource elements (REs) of consecutive non-reference signals (RSs) in the frequency domain, that is, one
  • the CCE consists of 36 REs.
  • the control channel can be divided into a plurality of control resource sets, each control resource set being a set of REGs.
  • the terminal device can listen to the PDCCH on one or more sets of control resources.
  • a control resource set may be understood as a resource occupied by a control channel; for a terminal device, a search space of a PDCCH of each terminal device belongs to the control resource set.
  • the network device may determine, from the set of control resources, a resource used for transmitting the PDCCH, and the terminal device may determine a search space of the PDCCH from the set of control resources.
  • the control resource set may include time-frequency resources, for example, the frequency domain may be a piece of bandwidth, or one or more sub-bands, etc.; the time domain may be the number of time units, for example, a subframe or a time slot or a micro time. The number of symbols in the slot; the time-frequency domain may be a continuous or discontinuous resource unit, for example, a continuous resource block (RB) or a discontinuous RB.
  • the definition of the RB may be a resource defined in an existing LTE protocol, or may be a resource defined in a future protocol, or may be replaced with another naming.
  • the time unit may be a subframe, or may be a slot, or may be a radio frame, a mini slot or a sub slot, multiple aggregated slots, and multiple aggregated subframes.
  • the symbol, the symbol, and the like may even be a transmission time interval (TTI), which is not specifically limited in the embodiment of the present application.
  • TTI transmission time interval
  • the terminal may simultaneously send UCI or data to the first network device and the second network device, where the UCI or data may be considered as common information of the first network device and the second network device.
  • the terminal may also send the first network device-specific UCI or data to the first network device and the second network device-specific UCI or data to the second network device.
  • the uplink channel can be used to carry UCI or data, and the embodiment of the present application does not limit whether the UCI or the data carried by the uplink channel is specific.
  • the serving cell c related to the embodiment of the present application can be understood as a carrier c.
  • the transmission of the terminal in the serving cell c can be understood as the transmission of the terminal on the carrier c.
  • the serving cell may be a primary cell connected by RRC or a coordinated cell.
  • the uplink channel may be a PUCCH and/or a PUSCH.
  • the high layer signaling involved in the embodiment of the present application may be RRC signaling, MAC CE signaling, or the like.
  • the “carrier” described in this application corresponds to a certain frequency band, for example, a frequency band of 800M in the center frequency band or a frequency band of 900M in the center frequency point.
  • the transmission of the uplink channel described in this application can be understood as transmitting UCI or data, and the UCI or data is carried on the uplink channel.
  • the higher layer involved in the present application may be a MAC layer other than the physical layer, a radio link control (RLC) layer, a packet data convergence protocol (PDCP) layer, or the like.
  • RLC radio link control
  • PDCP packet data convergence protocol
  • the transmit power control command involved in the present application may be a TPC command.
  • the TPC command may be a relative type command or an absolute type command.
  • the so-called relative command can be understood as the terminal's adjustment effect of the transmit power after receiving the transmit power control command is similar to the relative adjustment based on the current transmit power.
  • the relative type command can also be called the cumulative command.
  • the so-called absolute type command can be understood as the adjustment effect of the transmission power of the terminal after receiving the transmission power control command is similar to the adjustment based on the initial transmission power.
  • the form of the specific transmit power control command may be related to the network requirement or the specific transmission format. The embodiment of the present application does not limit the configuration, for example, the configuration of the transmit power control command by using the high layer signaling indication.
  • the uplink channel transmission power is calculated as follows (it should be understood that the unit of the calculation result of the following formula is d Bm):
  • the uplink channel is PUSCH, the calculation of the uplink channel transmit power:
  • the subframe i transmits the PUSCH, but the PUCCH is not transmitted at the same time, then the PUSCH transmission power is as follows:
  • the PUSCH transmission power is as follows:
  • P CMAX,c (i) is the configured maximum transmit power of the terminal on the serving cell c subframe i, Is the linear value of P CMAX,c (i). If the terminal transmits PUCCH without PUSCH in the serving cell c subframe i, the received TPC command accumulation on the PUCCH on the DCI format 3/3A is accumulated.
  • TPC Packet Radio Access Network
  • P PUCCH (i) a linear value
  • P PUCCH (i) is defined in the subsequent description.
  • M PUSCH,c (i) is the bandwidth of the allocated PUSCH resource on the subframe i of the serving cell c, and is represented by the number of valid Resource Blocks (RBs).
  • the terminal configures the upper layer parameter UplinkPowerControlDedicated-v12x0 and if the subframe i belongs to the uplink power control subframe set 2 indicated by the higher layer parameter tpc-SubframeSet-r12,
  • P O_UE_PUSCH, 2 (0) and P O_NOMINAL_PUSCH, 2 (0) are provided by the higher layer parameters p0-terminal-PUSCH-Persistent-SubframeSet2-r12 and p0-NominalPUSCH-Persistent-SubframeSet2-r12.
  • P O_UE_PUSCH, 2 (1) and P O_NOMINAL_PUSCH, 2 (1) are provided by the higher layer parameters p0-terminal-PUSCH-SubframeSet2-r12 and p0-NominalPUSCH-SubframeSet2-r12. (5.3).
  • the terminal configures the upper layer parameter UplinkPowerControlDedicated-v12x0 and if the subframe i belongs to the uplink power control subframe set 2 indicated by the higher layer parameter tpc-SubframeSet-r12,
  • ⁇ c (j) ⁇ c,2 ⁇ 0,0.4,0.5,0.6,0.7,0.8,0.9,1 ⁇ .
  • ⁇ c, 2 is the parameter alpha-SubframeSet2-r12 provided by the upper layer.
  • ⁇ c (j) 1.
  • PL c is the downlink path loss calculated for the terminal estimate of the serving cell c.
  • PL c referenceSignalPower - Reference Signal Received Power (RSRP), where referenceSignalPower is provided by the upper layer, and RSRP is defined by the reference serving cell.
  • RSRP Reference Signal Received Power
  • ⁇ PUSCH, c is a correlation value, calculated according to the TPC command.
  • the terminal is configured with the upper layer parameter UplinkPowerControlDedicated-v12x0 and if the subframe i belongs to the uplink power control subframe set 2 indicated by the higher layer parameter tpc-SubframeSet-r12, the current PUSCH power control adjustment state is given by f c, 2 (i) And the terminal will use F c,2 (i) instead of f c (i) to determine P PUSCH,c (i). Otherwise, the current PUSCH power control adjustment state is given by f c (i).
  • f c,2 (i) and f c (i) are defined as:
  • mapping of the foregoing TPC command domain may be as shown in Table 1 and Table 2 below.
  • the TPC command is an accumulation type command
  • the terminal can determine the adjustment step size according to the value of the TPC command field, that is, the accumulated ⁇ PUSCH.
  • determining the transmit power of the PUSCH if the format of the DCI for transmitting the TPC command is 0/4, the TPC command is an absolute command, and the terminal may determine the power adjustment value according to the value of the TPC command field, that is, an absolute ⁇ PUSCH , which in turn can determine the transmit power of the PUSCH.
  • the uplink channel is PUCCH
  • the calculation of the uplink channel transmit power is PUCCH
  • the PUCCH transmission power on subframe i is as follows:
  • the PUCCH transmission power for the accumulation of the TPC commands of the PUCCH is as follows:
  • ⁇ F_PUCCH (F) is provided by the upper layer.
  • Each ⁇ F_PUCCH (F) value corresponds to a PUCCH format (F) associated with PUCCH format 1A, where PUCCH format (F) is defined in Table 5.4-1 in 3GPP TS-GRAN 36.211, as shown in Table 3 below. PUCCH format.
  • PUCCH format Modulation scheme Number of bits per subframe M bit 1 N/A N/A 1a BPSK 1 1b QPSK 2 2 QPSK 20 2a QPSK+BPSK twenty one 2b QPSK+BPSK twenty two 3 QPSK 48
  • ⁇ TxD (F') is provided by the upper layer, where the PUCCH format F' is defined in Table 5.4-1 in 3GPP TS-GRAN 36.211 (as in Table 3 above) ); otherwise ⁇ TxD (F').
  • SR Scheduling Request
  • P O_NOMINAL_PUCCH is provided by higher layers and provides high-level parameter and the parameter P O_UE_PUCCH sum thereof.
  • PL c is the downlink path loss calculated for the terminal estimate of the serving cell c.
  • PL c referenceSignalPower - Reference Signal Received Power (RSRP), where referenceSignalPower is provided by the upper layer, and RSRP is defined by the reference serving cell.
  • RSRP Reference Signal Received Power
  • ⁇ PUCCH is a correlation value calculated according to the TPC command.
  • g(i) is the current PUCCH power control adjustment state
  • g(0) is the initial value after reset
  • mapping of the TPC command domain described above may be as shown in Tables 4 and 5 below.
  • the terminal may determine the adjustment step size, that is, ⁇ PUCCH according to the value of the TPC command field, and further determine the transmit power of the PUCCH.
  • FIG. 2 is a schematic diagram of a power control method 200 according to an embodiment of the present application.
  • the method 200 can be used in a communication system for communicating over a wireless air interface, the communication system can include at least one network device and at least one terminal.
  • the communication system can be the wireless communication system 100 shown in FIG.
  • the network device may be a transmitting and receiving point (TRP), a base station, or other network device for sending DCI, which is not specifically limited in this application.
  • TRP transmitting and receiving point
  • base station a base station
  • DCI DCI
  • first”, “second” and the like in the embodiments of the present application are only used to distinguish the description, and should not be construed as limiting the invention.
  • first network device and the second network device are only for distinguishing between different network devices.
  • the terminal receives at least one downlink control information DCI sent by the at least one network device in the same carrier.
  • the at least one DCI includes multiple transmit power control commands of the terminal, and the multiple transmit power control commands are in one-to-one correspondence with multiple network devices. That is to say, each transmit power control command corresponds to one network device, and the terminal may determine the uplink channel transmit power of the corresponding network device according to each transmit power control command.
  • the at least one DCI including two transmit power control commands (for example, referred to as a first transmit power control command and a second transmit power control command) as an example
  • first transmit power control command corresponds to the first in the system 100
  • second transmit power control command corresponds to the second network device in the system 100
  • the terminal may determine, according to the first transmit power control command, an uplink channel corresponding to the first network device (for example, recorded as the first uplink channel).
  • the power according to the second transmit power control command, determines an uplink channel (eg, referred to as a second uplink channel) corresponding to the second network device.
  • the first uplink channel may be a PUCCH or a PUSCH, or the first uplink channel includes a PUCCH and a PUSCH.
  • the second uplink channel may be a PUCCH or a PUSCH, or the first uplink channel includes a PUCCH and a PUSCH.
  • the at least one DCI including the multiple transmit power control commands may be scrambled by using a cell radio network temporary identifier (C-RNTI).
  • C-RNTI cell radio network temporary identifier
  • the DCI received by the terminal may be sent by a certain network device (for example, the first network device or the second network device in the system 100), or may be multiple network devices (for example, in the system 100).
  • the first network device and the second network device are sent. Below, these two cases are described in detail.
  • the terminal receives at least one DCI sent by a certain network device on the same carrier.
  • the terminal receives at least two DCIs (for example, a first DCI and a second DCI) sent by the first network device on the same carrier.
  • DCIs for example, a first DCI and a second DCI
  • one of the at least two transmit power control commands is included in each DCI.
  • the first DCI includes a first transmit power control command and the second DCI includes a second transmit power control command.
  • the first DCI may further include a transmit power control command of the other terminal than the first transmit power control command
  • the second DCI may further include a transmit power control command of the other terminal than the second transmit power control command.
  • the first DCI and the second DCI may be sent by the first network device in a time division manner, and the first network device may send the first DCI at the first moment and the second DCI at the second moment.
  • the first network device may send the first DCI in the first subframe, the first time slot, or the first mini-slot
  • the second network device may be in the second subframe, the second time slot, Or the second mini-slot transmits the second DCI.
  • Scene (2) The terminal receives a DCI sent by the first network device on the same carrier (hereinafter, for convenience of description, it is recorded as a target DCI).
  • the terminal receives the target DCI sent by the first network device, where the target DCI includes at least two transmit power control commands of the terminal, such as a first transmit power control command and a second transmit power control command.
  • target DCI may include only multiple transmit power control commands of the terminal, and may also include transmit power control commands of other terminals except the terminal.
  • the format of the target DCI may be any of 3/3A/3B.
  • the target DCI may include a transmission power control command of a plurality of terminals.
  • the transmit power control command for each terminal includes at least two. At least two transmit power control commands for each terminal may occupy n bits, n being a positive integer greater than two.
  • the number of transmission power control commands for each terminal is m (m ⁇ 2).
  • each transmit power control command can occupy a bit.
  • each transmit power control command can occupy a different bit.
  • the first transmit power control command and the second transmit power control command of each terminal can occupy 2 bits.
  • the first transmit power control command of each terminal may occupy 1 bit
  • the second transmit power control command may occupy 3 bits.
  • the format of the target DCI may also be any one of 1A/1B/1D/1/2A/2/2B/2C/2D.
  • at least two transmit power control commands for the terminal may be included in the target DCI.
  • at least two transmit power control commands for the terminal may occupy n bits, and n is a positive integer greater than 2.
  • the first transmit power control command occupies the first 2 bits
  • the second transmit power control command can occupy the last 2 bits.
  • the first transmit power control command occupies the last 2 bits
  • the second transmit power control command can occupy the first 2 bits.
  • the first transmit power control command may occupy 1 bit
  • the second transmit power control command may occupy 3 bits.
  • the first transmit power control command may occupy the first 1 bit
  • the second transmit power control command may occupy the last 3 bits.
  • the first transmit power control command can occupy the last 1 bit
  • the second transmit power control command can occupy the first 3 bits.
  • the correspondence between the specific bit and the transmit power control command may be configured by higher layer signaling or may be predefined.
  • each of the at least two transmit power control commands may be represented by a transmit power control command number, such as a TPC command number.
  • a transmit power control command number such as a TPC command number.
  • the TPC command number 1 may indicate a first transmit power control command
  • the TPC command number 2 may indicate a second transmit power control command.
  • the specific correspondence between the transmit power control command number and the transmit power control command is not limited in this embodiment of the present application.
  • the corresponding relationship may be configured by the first network device by using high layer signaling, or may be predefined by the first network device and the terminal.
  • the format of the DCI described above is only an exemplary description, and the format of the DCI may also be other formats defined by the future 5G.
  • the format of the DCI is not specifically limited in this embodiment of the present application.
  • the first network device first acquires the C-RNTI of the terminal.
  • the first network device may acquire the C-RNTI from a network device (for example, a second network device) of the primary cell, and use the C-RNTI to scramble the DCI sent by the first network device.
  • the terminal receives one DCI transmitted by each of the plurality of network devices (eg, the first network device and the second network device) on the same carrier.
  • the plurality of network devices eg, the first network device and the second network device
  • one transmit power control command for the terminal is included in each DCI.
  • the terminal receives the first DCI sent by the first network device, where the first DCI includes a first transmit power control command, and receives a second DCI sent by the second network device, where the second DCI includes a second transmit power control command.
  • the first network device is a network device of the coordinated cell
  • the first network device first needs to acquire the C-RNTI of the terminal from the second network device, and use the C-RNTI to scramble the first DCI.
  • the second network device is a network device of the coordinated cell
  • the second network device first needs to acquire the C-RNTI of the terminal from the first network device, and use the C-RNTI to scramble the second DCI.
  • the terminal determines, according to the at least two transmit power control commands, an uplink channel transmit power in the same carrier.
  • the terminal may determine the uplink channel transmit power according to an adjustment step or an absolute power adjustment value indicated by each transmit power control command.
  • the at least two transmit power control commands are carried in a DCI, such as the target DCI above, then the at least two transmit power control commands are all relative commands or all are absolute commands. .
  • the at least two transmit power control commands may be partially relative commands, and some are absolute commands. This embodiment of the present application does not specifically limit this.
  • the terminal when determining, by the terminal, the uplink channel transmit power in the same carrier according to the at least two transmit power control commands, the terminal may first determine, according to the at least two transmit power control commands, at least two candidate transmit powers, where the at least two candidate transmit powers are determined. The two candidate transmit powers are in one-to-one correspondence with the at least two transmit power control commands. Then, the terminal determines the uplink channel transmit power according to the at least two candidate transmit powers.
  • the terminal can directly calculate the corresponding transmit power, that is, the candidate transmit power, according to the adjustment step or absolute power adjustment value corresponding to each transmit power control command. Then, the uplink channel transmit power is determined according to the calculated multiple transmit powers.
  • the terminal may determine the average of the at least two candidate transmit powers, the minimum transmit power, or the at least two candidate transmit powers as the uplink channel transmit power.
  • the terminal uses the maximum transmit power of the at least two candidate transmit powers as the uplink channel transmit power, the reliability of the transmission can be improved.
  • the terminal uses the minimum transmit power of the at least two candidate transmit powers as the uplink channel transmit power, interference to adjacent terminals in the local cell can be reduced.
  • the terminal may use the weighted sum of the at least two candidate transmit powers as the uplink channel transmit power.
  • the weight of each candidate transmit power may be calculated by the terminal, or may be configured by the network device, or may be predefined, which is not specifically limited in this embodiment of the present application.
  • the terminal may directly transmit, according to one of the at least two transmit power control commands, a transmit power control command (eg, , as the target transmission power control command), determine the uplink channel transmission power.
  • a transmit power control command eg, , as the target transmission power control command
  • the terminal does not need to calculate the candidate transmit power corresponding to the at least two transmit power control commands respectively, but only needs to select one transmit power control command from the at least two transmit power control commands according to actual performance requirements, and then according to the The selected transmit power control command determines the uplink channel transmit power.
  • the terminal may select the indicated transmission power control command with the adjusted adjustment step or the absolute power adjustment value as the first transmission power control command, that is, the adjustment indicated by the target transmission power control command.
  • the step or absolute power adjustment is maximum.
  • the target transmit power control command may be a transmit power control command with the indicated adjustment step size or absolute power adjustment value being the smallest.
  • the terminal may determine the target transmit power control command according to at least one of a resource location, an aggregation level, a scrambling mode, and a first indication information included in the at least one DCI.
  • the terminal determines a transmit power control command included in the candidate DCI as a target transmit power control command, and the target DCI satisfies at least one of the following conditions:
  • the aggregation level is the target aggregation level
  • the scrambling method is the target scrambling method
  • the first indication information included is the target first indication information.
  • the protocol or the system may specify that the terminal only uses the transmit power control command satisfying any one of the above conditions (1) to (4) or any combination as the effective transmit power control command, but will not satisfy the corresponding condition.
  • the transmit power control command is considered to be an invalid transmit power control command.
  • the network device may notify the terminal, by using the high layer signaling or the DCI, at least one of the target resource location, the target aggregation level, the target scrambling mode, and the target first indication information.
  • the target location may be any one of a target search space, a target control channel candidate set, a target carrier, and a target control resource set.
  • the time-frequency resource carrying the at least one DCI is located in at least one search space of the terminal.
  • the terminal determines a transmission power control command included in the DCI detected in the target search space in the at least one search space as a target transmission power control command.
  • the at least one search space is in one-to-one correspondence with the at least one DCI, that is, each search space carries one DCI.
  • the terminal transmits, as the target transmission power control command, a transmission power control command included in the DCI detected by the target search space (for example, the search space #J) in the at least one search space.
  • the at least one search space may be predefined or pre-configured.
  • the search space #J corresponds to the service network device of the terminal, that is, the service network device can use the time-frequency resource in the search space #J, and the cooperative network device can use the time-frequency resource in the other search space.
  • the terminal may detect the DCI sent by the serving network device in the search space #J, and detect the DCI sent by the cooperative network device in other search spaces.
  • the DCI detected by the terminal in the search space #J is sent by the serving network device, and the DCI detected in the other search space is sent by the cooperative network device, and the terminal includes the DCI sent by the serving network device.
  • the transmit power control command is determined as the target transmit power control command.
  • the at least one DCI may be carried on at least one control channel candidate set in the same search space.
  • the terminal determines a transmit power control command included in the DCI detected by the target control channel candidate set in the at least one control channel candidate set as a target transmit power control command.
  • the at least one control channel candidate set corresponds to at least one DCI, that is, each control channel candidate set carries one DCI.
  • the terminal transmits, as the target transmission power control command, a transmission power control command included in the DCI detected on the target control channel candidate set (for example, the control channel candidate set #Q) in the at least one control channel candidate set.
  • the at least one control channel candidate set may be predefined or pre-configured.
  • control channel candidate set #Q corresponds to the serving network device of the terminal, that is, the DCI transmitted by the serving network device on the control channel candidate set #Q, and the DCI transmitted by the cooperative network device on the other control channel candidate set.
  • the terminal may detect the DCI sent by the serving network device on the control channel candidate set #Q, and detect the DCI sent by the cooperative network device on the other control channel candidate set.
  • the DCI detected by the terminal on the control channel candidate set #Q is sent by the serving network device, and the DCI detected on the other control channel candidate set is sent by the cooperative network device, and the terminal sends the serving network device.
  • the transmit power control command included in the DCI is determined as the target transmit power control command.
  • the at least one DCI may be carried on at least one carrier.
  • the terminal determines a transmit power control command included in the DCI detected by the target carrier in the at least one carrier as a target transmit power control command.
  • the at least one carrier is in one-to-one correspondence with the at least one DCI, that is, one DCI is sent on each carrier.
  • the terminal transmits, as a target transmission power control command, a transmission power control command included in the DCI detected on the target carrier (for example, the carrier #R) in the at least one carrier.
  • the at least one carrier may be predefined or pre-configured.
  • the carrier #R corresponds to the serving network device of the terminal, that is, the DCI transmitted by the serving network device on the carrier #R, and the DCI transmitted by the cooperative network device on the other carriers in the at least one carrier.
  • the terminal may detect the DCI sent by the serving network device on the carrier #R, and detect the DCI sent by the cooperative network device on the other carriers.
  • the DCI detected by the terminal on the carrier #R is transmitted by the serving network device, and the DCI detected on the other carrier is sent by the cooperative network device, and the terminal includes the transmission included in the DCI sent by the serving network device.
  • the power control command is determined as the target transmit power control command.
  • the at least one DCI may be carried in at least one control resource set.
  • the terminal determines a transmit power control command included in the DCI detected by the target control resource set in the at least one control resource set as a target transmit power control command.
  • the at least one control resource set is in one-to-one correspondence with the at least one DCI, that is, one DCI is sent on a resource in each control resource set.
  • the terminal transmits, as the target transmission power control command, a transmission power control command included in the DCI detected on the target control resource set (for example, the control resource set #V) in the at least one control resource set.
  • the at least one control resource set may be predefined or pre-configured.
  • control resource set #V corresponds to the service network device of the terminal, that is, the DCI sent by the service network device on the resource in the control resource set #R, and the DCI sent by the cooperative network device on the resources in the other control resource set.
  • the terminal may detect the DCI sent by the serving network device on the resource in the control resource set #V, and detect the DCI sent by the cooperative network device on the resources in the other control resource set.
  • the DCI detected by the terminal on the resource in the control resource set #V is sent by the serving network device, and the DCI detected on the resource in the other control resource set is sent by the cooperative network device, and the terminal will
  • the transmit power control command included in the DCI transmitted by the serving network device is determined as the target transmit power control command.
  • control channel candidate set only exemplarily explain the manner in which the terminal determines the target transmit power control command according to the detected position of the DCI, but this should not constitute any limitation on the present application.
  • the present application may also define or distinguish the location of the DCI in other manners, for example, the time-frequency resource location, the sub-carrier spacing, and the like, which are not limited in this embodiment of the present application.
  • the at least one DCI received by the terminal is generated by using at least one aggregation level.
  • the terminal determines to use the transmit power control command included in the target aggregated DCI in the at least one aggregation level as the target transmit power control command.
  • the at least one aggregation level is in one-to-one correspondence with the at least one DCI, that is, different DCIs are generated by using different aggregation levels.
  • the terminal may use a transmission power control command included in the DCI whose aggregation level is the target aggregation level (for example, the aggregation level #S,) as the target transmission power control command.
  • the at least one aggregation level may be predefined or pre-configured.
  • the aggregation level #S corresponds to the service network device of the terminal, that is, the service network device generates the DCI #S according to the aggregation level #S and transmits it to the terminal.
  • the terminal determines the transmit power control command included in the DCI transmitted by the serving network device as the target transmit power control command.
  • the at least one DCI may be scrambled by using at least one scrambling method.
  • the terminal determines the target transmit power control command by using the transmit power control command included in the DCI of the target scrambling mode in at least one scrambling mode.
  • the at least one scrambling manner is in one-to-one correspondence with the at least one DCI, that is, different DCIs are generated by using different scrambling modes.
  • the terminal After receiving the at least one DCI, the terminal descrambles the respective DCI by using a descrambling manner respectively corresponding to the at least one scrambling manner. If a certain DCI can be descrambled by the target descrambling method (for example, the descrambling method #T, the descrambling method #T corresponds to the scrambling method #T), the transmission power control command included in the DCI is determined as Target transmit power control command.
  • the at least one scrambling manner may be predefined or pre-configured.
  • a terminal identity (UE identity) + a cell ID (cell ID) may be used for cyclic redundancy check (CRC) scrambling.
  • the UE ID may be, for example, a cell radio network temporary identify (C-RNTI), and the cell ID may be, for example, a physical layer cell identity (PCI).
  • C-RNTI cell radio network temporary identify
  • PCI physical layer cell identity
  • the scrambling mode #T corresponds to the serving network device of the terminal, that is, the serving network device generates DCI #T according to the scrambling mode #T, and sends the signal to the terminal.
  • the terminal can descramble the DCI #T according to the descrambling method #T, thereby determining the transmission power control command included in the DCI #T (ie, the DCI transmitted by the serving network device) as the target transmission power control command.
  • the embodiment of the present application does not specifically limit the scrambling manner of the at least one scrambling mode, as long as the scrambling mode #T is matched with the serving network device. It should also be understood that the UE ID and the cell identifier are not specifically limited in the embodiment of the present application, and the foregoing enumerated UE ID and cell identifier are only illustrative.
  • each DCI of the at least one DCI may include first indication information.
  • the first indication information may be one bit (1 bit) in the DCI, and the bit may be '1' or '0'.
  • the terminal may specify or pre-configure, and the terminal sets the first indication information as the target first indication information, for example, the transmit power control command included in the DCI with the first indication information being '1' as the target transmit power. control commands.
  • the first indication information may be part of a transmit power control command.
  • the first indication information may be used to indicate whether the corresponding DCI is sent by the serving network device or sent by the cooperative network device, for example, when the bit is '0', indicating that the corresponding DCI is sent by the cooperative network device.
  • the terminal sets the transmit power control command included in the DCI including the first indication information of '1' as the target transmit power control command, that is, the terminal determines the transmit power control command included in the DCI sent by the serving network device as the target transmit. Power control commands.
  • the terminal will use the transmission power control command in the DCI that satisfies any combination of the conditions (1) to (4) as the target transmission power control command.
  • the conditions (1) to (4) are used in combination, for the sake of brevity, details will not be described herein. Specifically, the above description of the conditions (1) to (4) can be referred to.
  • the terminal may first determine a candidate DCI in the at least one DCI (for example, and record it as DCI #D); and then determine a transmit power control command in the DCI #D as a target transmit power. control commands.
  • the candidate DCI is determined in a predefined manner or determined by interaction between network devices.
  • a predefined manner or a manner of interaction between network devices specifies that the candidate DCI is the DCI sent by the serving network device.
  • the terminal only uses the transmit power control command in the DCI sent by the serving network device as a valid transmit power control command, and ignores the transmit power control command sent by the protocol network device. In this case, the terminal needs to distinguish which DCI is sent for the serving network device and which DCI is sent for the cooperative network device.
  • the terminal may determine the DCI#D according to the detected location of the DCI, the aggregation level, the scrambling mode, and the included second indication information, thereby determining the target. Transmit power control command.
  • the serving network device and the assisting network device may send the DCI at different resource locations, using different aggregation levels, employing different scrambling modes, and according to at least one of different second indication information.
  • the system or protocol may pre-specify or configure DCI information, which may be defined as at least one of a location, an aggregation level, a scrambling mode, and a second indication information included in the DCI transmitted by the serving network device.
  • the network device and the terminal side both store the DCI information, so the terminal may be configured according to the corresponding location, aggregation level, scrambling mode, and included second indication information of each DCI in the at least one DCI. At least one of determining the DCI sent by the serving network device, namely DCI #D.
  • the second indication information may be used to indicate whether the corresponding DCI is sent by the serving network device or sent by the cooperative network device.
  • the second indication information may be the same as the first indication information, and the second indication information may refer to the description of the first indication information in the foregoing. For brevity, no further details are provided herein.
  • the terminal may determine the DCI #D according to the search space, the control channel candidate set, or the carrier where the DCI is located.
  • the specific implementation process of the terminal determining the DCI #D according to the detected location of the DCI, the aggregation level, the scrambling mode, and the included second indication information may be correspondingly described in the foregoing manner. For the sake of brevity, it will not be repeated here.
  • the candidate DCI may also be a DCI sent by the cooperative network device, which is not limited in this embodiment of the present application.
  • the information that needs to be pre-configured may be controlled by, for example, radio resource control (RRC) signaling or media access control.
  • RRC radio resource control
  • High-level signaling configuration such as media access control control element (MAC CE).
  • the terminal may determine the uplink channel transmit power in the same carrier according to the at least two transmit power control commands in multiple manners.
  • the foregoing exemplary description is only for helping a person skilled in the art to better understand the present application. This application shall constitute any limitation.
  • the TPC1 and the TPC2 are used as an example for the at least two transmit power control commands received by the terminal, and specific embodiments for determining, by the terminal, the uplink channel transmit power according to the adjustment step or the absolute power adjustment value are specifically described.
  • the serving cell where the terminal is located is c
  • the network device of the serving cell c is the first network device.
  • the following calculated transmit power refers to the transmit power of the terminal transmitting the uplink channel on the serving cell c subframe i.
  • the terminal may transmit the transmit power of the uplink channel on the serving cell c subframe i as the uplink channel transmit power.
  • the transmit power of the PUSCH can be calculated as follows:
  • Subframe i transmits PUSCH, but PUCCH is not transmitted at the same time, then PUSCH transmit power can be determined by any of the following formulas:
  • the PUSCH transmit power can be determined by any of the following formulas:
  • the PUSCH transmit power may be determined by any of the following formulas:
  • the PL c here is a downlink path loss calculated by the terminal from the first network device to the terminal. It should also be noted that f 1c (i) and f 2c (i) correspond to f c (i) above, and f 1c (i) is determined according to the adjustment step or power adjustment value indicated by TPC1, f 2c (i) is determined according to the adjustment step or power adjustment value indicated by TPC2.
  • the values of k 11 , k 12 , k 21 , k 22 , k 31 , and k 32 are all greater than or equal to 0, and they may be the same or different.
  • the k 11 , k 12 , k 21 , k 22 , k 31 , k 32 may be pre-configured, or may be pre-acquired by the terminal from the network device, or may be calculated by the terminal itself.
  • the source is not limited.
  • the terminal can determine the transmission power of the PUSCH (an example of an uplink channel).
  • the transmission power of the PUCCH can be calculated as follows:
  • the PUCCH transmission power on subframe i is as follows:
  • the PUCCH transmission power for the accumulation of the TPC commands of the PUCCH is as follows:
  • the PL c here is a downlink path loss calculated by the terminal from the first network device to the terminal. It should also be noted that g 1c (i) and g 2c (i) correspond to g c (i) above, and g 1c (i) is determined according to the adjustment step indicated by TPC1, f 2c (i) It is determined according to the adjustment step indicated by TPC2.
  • T 11 P 0_PUCCH +PL c +h(n CQI , n HARQ, n SR )+ ⁇ F_PUCCH (F)+ ⁇ TxD (F′)+g 1c (i),
  • T 12 P 0_PUCCH + PL c + h (n CQI , n HARQ, n SR ) + ⁇ F_PUCCH (F) + ⁇ TxD (F') + g 2c (i).
  • the values of k 41 , k 42 , k 51 , and k 52 are all greater than or equal to 0, and they may be the same or different.
  • the k 41 , k 42 , k 51 , and k 52 may be pre-configured, or may be pre-acquired by the terminal from the network device, or may be calculated by the terminal itself.
  • the specific source of the application is not limited.
  • the terminal can determine the transmission power of the PUCCH (another example of the uplink channel).
  • the foregoing terminal determines the uplink channel transmit power according to the adjustment step or the absolute power adjustment value.
  • the embodiment is only an exemplary description, but only to help the person skilled in the art to better understand the present application, and should not constitute the present application. Any restrictions.
  • the method may further include:
  • the terminal sends the uplink channel to the at least one network device in the same carrier.
  • the terminal transmits UCI or data according to the uplink channel transmit power determined in step S220, and the UCI or data is carried on the uplink channel.
  • the terminal can determine the uplink channel transmit power according to the multiple transmit power control commands, thereby ensuring efficient and reasonable power allocation and improving overall system performance.
  • FIG. 3 is a schematic diagram of a power control method 300 in accordance with an embodiment of the present application.
  • the first network device acquires the C-RNTI of the terminal from the second network device.
  • the C-RNTI of the terminal needs to be obtained from the network device of the primary cell, that is, the second network device. If the first network device is the network device of the primary cell, the first network device does not need to perform this step.
  • the first network device determines a target DCI.
  • the target DCI includes a first transmit power control command and a second transmit power control command of the terminal.
  • the target DCI is scrambled by using the C-RNTI of the terminal.
  • the terminal may determine, according to the first transmit power control command, the bearer of the DCI or data for the first network device.
  • An uplink channel transmit power.
  • the terminal can determine a second uplink channel transmit power that carries DCI or data for the second network device.
  • the first network device sends the target DCI to the terminal in the same carrier.
  • the terminal receives the target DCI, and descrambles the target DCI according to the C-RNTI of the terminal, and then the terminal may determine the first transmit power control command and the second according to the high layer signaling or a predefined rule. Transmit power control command.
  • the first network device determines an uplink channel transmit power in the same carrier according to the first transmit power control command and the second transmit power control command.
  • the first network device determines the transmit power determined according to the first transmit power control command as the uplink channel transmit power, or determines the weighted sum of the first transmit power control command and the second transmit power control command as the uplink channel transmit power.
  • the terminal sends the uplink channel to the first network device and the second network device in the same carrier.
  • the uplink channel carries the terminal to the CSI1 of the first network device, and the terminal to the second network device CSI2.
  • the terminal can determine the uplink channel transmit power according to the multiple transmit power control commands, thereby ensuring efficient and reasonable power allocation and improving overall system performance.
  • FIG. 4 is a schematic diagram of a power control method in accordance with another embodiment of the present application.
  • the network device in which the first network device is the primary cell and the second network device are the network device in the coordinated cell are taken as an example for description.
  • the first network device sends a first DCI to the terminal, where the first DCI includes a first transmit power control command.
  • the terminal may determine, according to the first transmit power control command, to carry the DCI or data for the first network device.
  • the first uplink channel transmit power.
  • first DCI and/or the first transmit power control command may be referenced above.
  • the second network device sends a request message to the first network device, where the request message is used to obtain the C-RNTI of the terminal.
  • the first network device sends a response message to the second network device according to the request message, where the response message includes a C-RNTI of the terminal.
  • step S410 may be performed before steps S420 and S430, or may be performed after steps S420 and S430, or may be performed simultaneously with steps S420 and S430, which is not limited by the embodiment of the present application.
  • the second network device sends a second DCI to the terminal, where the second DCI includes a second transmit power control command.
  • the second DCI is scrambled using the C-RNTI of the terminal.
  • the terminal may determine, according to the second DCI, a second uplink channel transmit power that carries DCI or data for the second network device.
  • first DCI and/or the first transmit power control command may be referenced above.
  • the terminal determines an uplink channel transmit power in the same carrier according to the first transmit power control command and the second transmit power control command.
  • the uplink channel carries the terminal to the CSI1 of the first network device, and the terminal to the CSI2 of the second network device.
  • the terminal may determine the uplink channel transmit power according to the first transmit power control command and the second transmit power control command. For details, reference may be made to the above description.
  • the terminal sends the uplink channel in the same carrier according to the uplink channel transmit power.
  • the terminal can determine the uplink channel transmit power according to the multiple transmit power control commands, thereby ensuring efficient and reasonable power allocation and improving overall system performance.
  • FIG. 5 is a schematic diagram of another power control method 500 in accordance with the present application.
  • the method 500 can be used in a communication system for communicating over a wireless air interface, which can include at least two network devices and at least one terminal.
  • the communication system can be the wireless communication system 100 shown in FIG.
  • the network device may be a transmission point (TRP), a base station, or other network device for sending DCI, which is not specifically limited in this application.
  • TRP transmission point
  • base station a base station
  • DCI DCI
  • the network device may be a network device of the primary cell or a network device of the coordinated cell, which is not specifically limited in this application.
  • the terminal receives the downlink control information DCI sent by the network device (hereinafter, referred to as the first network device for convenience of description) in the same carrier.
  • the network device hereinafter, referred to as the first network device for convenience of description
  • the DCI includes at least two transmit power control commands of the terminal.
  • the at least two transmit power control commands are in one-to-one correspondence with at least two network devices.
  • the at least two network devices include the first network device.
  • the DCI format may be any one of 1A/1B/1D/1/2A/2/2B/2C/2D, and the DCI format may also be any one of 3/3A/3B.
  • the at least two transmit power control commands occupy n bits, and n is a positive integer greater than two.
  • n bits and the at least two transmit power control commands is configured or predefined by higher layer signaling. Specifically, reference may be made to the above description, and for brevity, no further details are provided herein.
  • the terminal determines, according to the at least two transmit power control commands, an uplink channel transmit power of each of the at least two network devices.
  • the terminal may determine, according to the first transmit power control command, the transmit power of the uplink channel (for example, referred to as the first uplink channel) corresponding to the first network device, And determining, according to the second transmit power control command, an uplink channel (eg, referred to as a second uplink channel) corresponding to the second network device.
  • the first transmit power control command corresponds to the first network device in the system 100.
  • the second transmit power control command corresponds to the second network device in the system 100
  • the terminal may determine, according to the first transmit power control command, the transmit power of the uplink channel (for example, referred to as the first uplink channel) corresponding to the first network device, And determining, according to the second transmit power control command, an uplink channel (eg, referred to as a second uplink channel) corresponding to the second network device.
  • an uplink channel eg, referred to as a second uplink channel
  • the first uplink channel may be a PUCCH or a PUSCH, or the first uplink channel includes a PUCCH and a PUSCH.
  • the second uplink channel may be a PUCCH or a PUSCH, or the first uplink channel includes a PUCCH and a PUSCH.
  • the DCI may be scrambled by using a cell radio network temporary identifier (C-RNTI). If the first network device that sends the DCI is the network device of the coordinated cell, the first network device may first obtain the C-RNTI from the network device of the primary cell, and then use the C-RNTI to perform scrambling with the DCI, and the terminal After receiving the DCI, the DCI is descrambled by using the C-RNTI.
  • C-RNTI cell radio network temporary identifier
  • the terminal may determine an uplink channel transmit power of each network device according to an adjustment step or an absolute power adjustment value indicated by each of the at least two transmit power control commands.
  • the terminal may determine an adjustment step of the first uplink channel transmit power according to the first transmit power control command, and further determine the first uplink channel transmit power, according to the second transmit power.
  • the control command determines an adjustment step size of the second uplink channel transmit power, and further determines the second uplink channel transmit power.
  • the transmit power control command is an absolute type command
  • the terminal may determine an absolute power adjustment value of the first uplink channel transmit power according to the first transmit power control command, and further determine the first uplink channel transmit power, according to the second transmit.
  • the power control command determines an absolute power adjustment value of the second uplink channel transmit power, and further determines a second uplink channel transmit power.
  • the terminal may determine, according to the at least two transmit power control commands and the propagation loss corresponding to the corresponding uplink channel, an uplink channel transmit power of each of the at least two network devices.
  • the terminal may determine the corresponding uplink channel by combining the adjustment step indicated by the transmit power control command with the propagation loss corresponding to the corresponding uplink channel, or combining the absolute power adjustment value with the propagation loss corresponding to the corresponding uplink channel. Transmit power.
  • the terminal may determine the first uplink channel transmit power according to the propagation loss between the first network device and the terminal according to the adjustment step or the absolute power adjustment value indicated by the first transmit power control command, and control the command according to the second transmit power according to the second transmit power control command.
  • the indicated adjustment step or absolute power adjustment value determines the first uplink channel transmission power in conjunction with the propagation loss between the second network device and the terminal.
  • the transmit powers P PUSCH1,c (i) of the first uplink channel are as follows:
  • the transmit power P PUSCH2,c (i) of the second uplink channel is as follows:
  • PL 1 represents a downlink path loss between the terminal estimated by the terminal and the first network device
  • PL 2 represents a downlink path loss between the terminal estimated by the terminal and the second network device.
  • f 1c (i) is determined by the adjustment step or absolute power adjustment value indicated by the first transmission power control command
  • f 2c (i) is determined by the adjustment step or absolute power adjustment value indicated by the second transmission power control command.
  • the propagation loss corresponding to the uplink channel of each network device may be indicated by the indication information or the high layer signaling in the DCI.
  • the first network device may be indicated by higher layer signaling or DCI terminal calculated using PL 1 P PUSCH1, c (i), calculated using PL 2 P PUSCH2, c (i).
  • the terminal determines, according to the at least two transmit power control commands, an uplink channel transmit power of each of the at least two network devices:
  • the i-th candidate transmit power P 1i of the at least two candidate transmit powers may be first determined according to an ith transmit power control command of the at least two transmit power control commands.
  • the at least two transmit power control commands are in one-to-one correspondence with the at least two candidate transmit powers, i traverses the value in the range of [1, N], and i is a positive integer, and N is the at least two uplink channels.
  • the number, N is a positive integer greater than 1, P 1i >0.
  • the terminal may use the transmit power directly calculated according to the adjustment step or the absolute power adjustment value corresponding to the ith transmit power control command as the ith candidate transmit power P 1i .
  • the terminal determines that the transmit power of the uplink channel of the i th network device of the at least two network devices is P 1i ;
  • the terminal determines the transmit power P 2i of the i-th uplink channel according to any of the following formulas:
  • P 2i is the maximum transmit power of the terminal
  • a 0 and a i are scaling factors, 0 ⁇ a 0 ⁇ 1, a i ⁇ 0.
  • the terminal may determine the transmit power of the at least two uplink channels according to the foregoing embodiment. Specifically, if the sum of the transmit powers directly calculated according to the at least two transmit power control commands is less than or equal to the maximum transmit power of the terminal, the terminal may use the directly calculated transmit power as the transmit of the corresponding uplink channel. power. If the sum of the transmit powers directly calculated according to the at least two transmit power control commands is greater than the maximum transmit power of the terminal, the terminal compares the scaling factor with the product of the transmit power directly calculated according to the corresponding transmit power control command, as a corresponding Uplink channel transmit power.
  • the terminal may use P PUSCH1,c (i) as the transmit power of the first uplink channel, P PUSCH2,c (i) as the transmit power of the second uplink channel; in the case of P PUSCH1,c (i)+P PUSCH2,c (i)>P 0 , the terminal may be a 1 *P PUSCH1,c ( The product of i) is used as the transmission power of the first uplink channel, and a 2 *P PUSCH2,c (i) is used as the transmission power of the second uplink channel. Wherein a 1 *P PUSCH1,c (i)+a 2 *P PUSCH2,c (i) ⁇ P 0 .
  • the scaling factor a i is determined according to the priority of the uplink channel of the i th network device.
  • the corresponding scaling factor when the channel priority is high, the corresponding scaling factor is large, and when the channel priority is low, the corresponding scaling factor is small.
  • the priority of the uplink channel corresponding to the serving network device of the terminal may be higher than the priority of the uplink channel corresponding to the coordinated network device of the terminal, and the uplink channel corresponding to the serving network device of the terminal (for example, referred to as the first PUCCH)
  • the corresponding scaling factor is greater than the scaling factor corresponding to the uplink channel (eg, referred to as the second PUCCH) corresponding to the assisted network device of the terminal.
  • the priority of the PUCCH is higher than the priority of the PUSCH, and the scaling factor corresponding to the PUCCH may be set to 1.
  • the transmit power of the PUCCH and the PUSCH may be determined according to the following formula:
  • the transmission power of the first uplink channel is P PUCCH
  • the transmission power of the second uplink channel is ⁇ P PUSCH .
  • the scaling factor a i may be pre-configured, or may be obtained by the terminal from the network device, or may be calculated by the terminal itself.
  • the specific source of the scaling factor a i is not limited in the embodiment of the present application.
  • the method may further include:
  • the terminal transmits, according to the transmit power of the corresponding uplink channel, the corresponding uplink channel to the at least two network devices in the same carrier.
  • the terminal sends corresponding UCI or data to the corresponding network device according to the transmit power of the uplink channel determined in step S520, where the UCI or data is carried on the corresponding uplink channel.
  • the terminal may send, according to the first uplink channel transmit power determined in step S520, the UCI or data of the first network device, where the UCI or data is carried on the first uplink channel; and the first determined in step S520 And transmitting, by the second uplink channel, the UCI or data of the second network device, where the UCI or data is carried on the second uplink channel.
  • the terminal determines the transmit power of each uplink channel according to the multiple transmit power control commands, thereby ensuring efficient and reasonable power allocation and improving overall system performance.
  • FIG. 6 is a schematic block diagram of a terminal 600 according to an embodiment of the present application. As shown in FIG. 6, the terminal 600 includes a receiving unit 610 and a processing unit 620.
  • the receiving unit 610 is configured to receive at least one downlink control information DCI sent by at least one network device, where the at least one DCI includes at least two transmit power control commands;
  • the processing unit 620 is configured to determine uplink channel transmit power in the same carrier according to the at least two transmit power control commands.
  • the terminal of the embodiment of the present application can ensure that the power of the uplink transmission is smaller than the maximum transmission power of the terminal by using a power scaling manner.
  • each unit in the terminal 600 is used to perform each action or process performed by the terminal in each of the above methods.
  • a detailed description thereof will be omitted.
  • FIG. 7 is a schematic block diagram of a terminal 700 according to an embodiment of the present application. As shown in FIG. 7, the terminal 700 includes a receiving unit 710 and a processing unit 720.
  • the receiving unit 710 is configured to receive downlink control information DCI sent by the first network device, where the DCI includes at least two transmit power control commands of the terminal;
  • the processing unit 720 is configured to determine, according to the at least two transmit power control commands, an uplink channel transmit power of each of the at least two network devices, the at least two network devices and the at least two transmit powers
  • the control commands are in one-to-one correspondence, and the at least two network devices include the first network device.
  • each unit in the terminal 700 is used to perform each action or process performed by the terminal in the above method 500.
  • a detailed description thereof will be omitted.
  • FIG. 8 is a schematic block diagram of a network device 800 in accordance with an embodiment of the present application. As shown in FIG. 8, the network device 800 includes a transmitting unit 810 and a receiving unit 820.
  • the sending unit 810 is configured to send downlink control information DCI to the terminal, where the DCI includes at least two transmit power control commands of the terminal, where the at least two transmit power control commands are used by the terminal to determine at least one uplink channel. Transmit power
  • the receiving unit 820 is configured to receive a first uplink channel in the at least one uplink channel that is sent by the terminal.
  • each unit in the network device 800 is used to perform each action or process in the above method.
  • a detailed description thereof will be omitted.
  • FIG. 9 shows a schematic structural diagram of a terminal 900 according to an embodiment of the present application.
  • the terminal 900 includes a transceiver 910, a processor 920, and a memory 930.
  • the transceiver 910, the processor 920, and the memory 930 communicate with each other through an internal connection path to transfer control and/or data signals.
  • the transceiver 910 is configured to receive at least one downlink control information DCI sent by at least one network device, where the at least one DCI includes at least two transmit power control commands;
  • the processor 920 is configured to determine an uplink channel transmit power in the same carrier according to the at least two transmit power control commands.
  • the processor 920 calls and runs the computer program from memory, the processor 920 can be used to perform the method 200, the method 300, and the method 400, and implement the functions of the method, such as the terminal, of the method.
  • FIG. 10 shows a schematic structural diagram of a terminal 1000 according to an embodiment of the present application.
  • the terminal 1000 includes a transceiver 1010, a processor 1020, and a memory 1030.
  • the transceiver 1010, the processor 1020, and the memory 1030 communicate with each other through an internal connection path to transfer control and/or data signals.
  • the transceiver 1010 is configured to receive downlink control information DCI sent by the first network device, where the DCI includes at least two transmit power control commands of the terminal;
  • the processor 1020 is configured to determine, according to the at least two transmit power control commands, an uplink channel transmit power of each of the at least two network devices, where the at least two network devices and the at least two transmit powers The control commands are in one-to-one correspondence, and the at least two network devices include the first network device.
  • processor 1020 calls and runs the computer program from memory
  • the processor 1020 can be used to perform the method 500 and implement the functionality of the method, such as the functionality of the terminal.
  • FIG. 11 shows a schematic structural diagram of a network device 1100 according to an embodiment of the present application.
  • the network device 1100 includes a transceiver 1110, a processor 1120, and a memory 1130.
  • the transceiver 1110, the processor 1120, and the memory 1130 communicate with each other through an internal connection path to transfer control and/or data signals.
  • the transceiver 1110 is configured to send downlink control information DCI to the terminal, where the DCI includes at least two transmit power control commands of the terminal, where the at least two transmit power control commands are used by the terminal to determine at least one uplink channel. Transmitting power; receiving a first uplink channel of the at least one uplink channel sent by the terminal.
  • processor 1120 calls and runs the computer program from the memory
  • the processor 1120 can be used to execute the various method embodiments described above, and implement the functions of the execution body of the method embodiment, such as a network device.
  • the embodiments of the present application may be applied to a processor or implemented by a processor.
  • the processor can be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the processor may be a central processing unit (CPU), the processor may be another general-purpose processor, a digital signal processor (DSP), or an application specific integrated circuit (ASIC). ), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software in the decoding processor.
  • the software can be located in a random storage medium, such as a flash memory, a read only memory, a programmable read only memory or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • RAM random access memory
  • RAM random access memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM double data rate synchronous DRAM
  • DDR SDRAM double data rate synchronous DRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronously connected dynamic random access memory
  • DRRAM direct memory bus random access memory
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling or direct coupling or communication connection shown or discussed herein may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical 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. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program code. .

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de commande de puissance, un terminal et un dispositif de réseau. Le procédé de commande de puissance comprend les étapes suivantes : un terminal reçoit au moins un élément d'information de commande de liaison descendante (DCI) envoyée par au moins un dispositif de réseau, l'au moins un élément de DCI comprenant au moins deux instructions de commande de puissance de transmission ; et le terminal déterminant une puissance de transmission de canal de liaison montante dans la même porteuse conformément aux au moins deux instructions de commande de puissance de transmission. Au moyen du procédé de commande de puissance de la présente invention, le terminal peut déterminer la puissance de transmission de canal de liaison montante conformément à une pluralité d'instructions de commande de puissance de transmission, de façon à garantir une attribution de puissance efficace et raisonnable, et améliorer les performances globales d'un système.
PCT/CN2018/078078 2017-03-24 2018-03-06 Procédé de commande de puissance, terminal, et dispositif de réseau Ceased WO2018171417A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710183222 2017-03-24
CN201710183222.5 2017-03-24
CN201710334261.0 2017-05-12
CN201710334261.0A CN108632970B (zh) 2017-03-24 2017-05-12 功率控制方法、终端和网络设备

Publications (1)

Publication Number Publication Date
WO2018171417A1 true WO2018171417A1 (fr) 2018-09-27

Family

ID=63585027

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/078078 Ceased WO2018171417A1 (fr) 2017-03-24 2018-03-06 Procédé de commande de puissance, terminal, et dispositif de réseau

Country Status (1)

Country Link
WO (1) WO2018171417A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103327594A (zh) * 2012-03-22 2013-09-25 电信科学技术研究院 上行功率控制方法、设备及系统
CN104301979A (zh) * 2013-07-19 2015-01-21 华为技术有限公司 一种ue的上行发射功率控制方法、装置、ue及基站
CN104619000A (zh) * 2013-11-01 2015-05-13 中兴通讯股份有限公司 一种上行功率控制方法、系统和相关设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103327594A (zh) * 2012-03-22 2013-09-25 电信科学技术研究院 上行功率控制方法、设备及系统
CN104301979A (zh) * 2013-07-19 2015-01-21 华为技术有限公司 一种ue的上行发射功率控制方法、装置、ue及基站
CN104619000A (zh) * 2013-11-01 2015-05-13 中兴通讯股份有限公司 一种上行功率控制方法、系统和相关设备

Similar Documents

Publication Publication Date Title
US11134447B2 (en) Power control method for transmitting uplink channel
US11818602B2 (en) Power headroom reporting for carrier aggregation
US11832191B2 (en) Power control method, terminal, and network device
CN108632970B (zh) 功率控制方法、终端和网络设备
CN106851809B (zh) 确定功率的方法及用户设备
CN103391607B (zh) 测量参考信号的功率控制方法、装置和系统
CN111757445A (zh) 功控方法及执行功控的终端
WO2019062998A1 (fr) Procédé et dispositif de régulation de puissance
US20200076554A1 (en) Transmission method, terminal, and network device
EP2946513B1 (fr) Transmission à répétition pour signal de commande de liaison descendante
WO2017193398A1 (fr) Procédé et dispositif de commande de puissance
WO2017173920A1 (fr) Procédé et dispositif de commande de puissance
CN111345055B (zh) 用于重复传输的方法和装置
CN106465294A (zh) 终端装置、基站装置以及通信方法
WO2015070446A1 (fr) Procédé de transmission de données et équipement d'utilisateur
WO2019191949A1 (fr) Procédé de communication, appareil de communication, et système
KR101642361B1 (ko) 무선통신시스템에서 단말의 전송전력 제어 방법 및 이를 수행하는 장치
CN107690157A (zh) 一种上报功率余量的方法及装置
WO2019024927A1 (fr) Procédé et appareil de transmission d'informations de commande de liaison montante
WO2023103790A1 (fr) Procédé et appareil utilisés dans un nœud pour des communications sans fil
WO2024031696A1 (fr) Procédé de rapport d'informations d'état de canal et appareil
WO2018171417A1 (fr) Procédé de commande de puissance, terminal, et dispositif de réseau
CN114205898B (zh) 通信方法、装置和存储介质
WO2019029382A1 (fr) Procédé de régulation de puissance pour canal de commande de liaison montante physique (pucch), et station de base
WO2025035406A1 (fr) Procédé et appareil d'envoi d'informations, et procédé et appareil de réception d'informations

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: 18771213

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: 18771213

Country of ref document: EP

Kind code of ref document: A1