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WO2020143514A1 - Procédé et appareil de commande de puissance - Google Patents

Procédé et appareil de commande de puissance Download PDF

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Publication number
WO2020143514A1
WO2020143514A1 PCT/CN2019/130980 CN2019130980W WO2020143514A1 WO 2020143514 A1 WO2020143514 A1 WO 2020143514A1 CN 2019130980 W CN2019130980 W CN 2019130980W WO 2020143514 A1 WO2020143514 A1 WO 2020143514A1
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WIPO (PCT)
Prior art keywords
uplink channel
uplink
channel
channels
terminal device
Prior art date
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Application number
PCT/CN2019/130980
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English (en)
Chinese (zh)
Inventor
邵家枫
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2020143514A1 publication Critical patent/WO2020143514A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application relates to the technical field of wireless communication, and in particular, to a power control method and a power control device.
  • Enhanced Mobile Broadband eMBB
  • High Reliability and Low Latency Communication Ultra Reliable and Low Latency Communications
  • URLLC Ultra Reliable and Low Latency Communications
  • mMTC Massive Machine Type Communications
  • Typical URLLC services are: wireless control in industrial manufacturing or production processes, motion control of driverless cars and drones, and haptic interaction applications such as remote repair and remote surgery. The main characteristics of these services are the requirements for ultra-high reliability Performance, low latency, less data transmission and burstiness.
  • Typical mMTC services are: smart grid distribution automation, smart cities, etc. The main features are the large number of networked devices, the small amount of data transmitted, and the data is insensitive to transmission delay. These mMTC terminals need to meet low cost and very long standby The need for time.
  • Typical eMBB services are: ultra-high-definition video, augmented reality (augmented reality (AR), virtual reality (virtual reality, VR), etc. The main characteristics of these services are large data transmission volume and high transmission rate.
  • reference signals need to be transmitted during uplink data transmission (such as terminal equipment to network equipment) or downlink data transmission (such as network equipment to terminal equipment). Because the receiving end needs to use the reference signal to perform channel estimation on the channel before decoding the data, and then use the result of the channel estimation to remove the influence of the spatial channel on the data to perform decoding. For example, for uplink transmission, the following process is generally performed: If it is based on dynamic scheduling, the network device sends downlink control information (downlink control information, DCI) to the terminal device, where the DCI carries an indication of the physical uplink shared channel ( physical (uplink) shared channel (PUSCH) length of time domain resources, frequency domain resources, modulation methods and other indication information.
  • DCI downlink control information
  • the terminal device After receiving the DCI, the terminal device sends the PUSCH on the corresponding time-frequency resource according to the indication of the DCI. If it is based on configuration authorization, the terminal device does not need to receive DCI before sending the PUSCH to the network device.
  • the terminal device can determine the time-frequency resource for transmitting the PUSCH according to the configuration information received in advance, and perform the PUSCH on the time-frequency resource. transmission.
  • the uplink transmission PUSCH indication information all comes from radio resource control (RRC) signaling configuration, and the terminal device transmits PUSCH on the configured time-frequency resources;
  • RRC radio resource control
  • part of the indication information of the uplink transmission PUSCH comes from the RRC signaling configuration, and part of it comes from the DCI that activates the uplink transmission of the configuration authorization type 2.
  • the terminal device activates the RRC according to the DCI sent by the network device For signaling, determine the time-frequency resource configured by RRC signaling, and transmit the PUSCH on the time-frequency resource.
  • the terminal device can support both transmission methods at the same time, or it can support only one of them.
  • the current system design guarantees that each time data (such as PUSCH) transmission is accompanied by a reference signal, so that the receiving end can use the reference signal to perform channel estimation and data demodulation, but due to the existence of The reference signal will reduce the time-frequency resources of the transmitted data.
  • the present application provides a power control method and a power control device, which can reduce the overhead of demodulation reference signals, improve the reliability of uplink channel transmission, and improve the reception performance of uplink channels.
  • a power control method includes: a terminal device receives first indication information, where the first indication information is used to instruct the terminal device to send at least two uplink channels, wherein, the At least two uplink channels include a first uplink channel and a second uplink channel, the time domain resource where the first uplink channel is located and the time domain resource where the reference signal is located do not overlap in the time domain, and the second uplink channel is located where The time domain resource overlaps with the time domain resource where the at least one reference signal is located in the time domain.
  • the at least two uplink channels include a first uplink channel set, and the first uplink channel set includes the first uplink channel set.
  • At least one uplink channel and at least one uplink channel in the second uplink channel obtains first power information corresponding to the first uplink channel set; the terminal device determines according to the first power information The transmission power of the uplink channel in the first uplink channel set.
  • the first power information may be a transmission offset ⁇ _TF or a modulation and coding mode offset K_S.
  • the uplink channel may be a physical uplink shared channel (physical uplink shared channel, PUSCH), a physical uplink control channel (physical uplink control channel, PUCCH), or a channel sounding reference signal (SRS) channel.
  • PUSCH physical uplink shared channel
  • PUCCH physical uplink control channel
  • SRS channel sounding reference signal
  • the terminal device when the terminal device transmits at least two uplink channels, the same transmission power is used for transmission, so that the at least two uplink channels transmitted share the demodulation reference signal, reducing the overhead of the reference signal and improving The reliability of the uplink channel transmission improves the reception performance of the uplink transmission channel.
  • the method before the terminal device receives the first indication information, the method further includes: the terminal device sends first capability information, the first capability The information is used to indicate that the terminal device supports the ability to send at least two uplink channels; and/or, the terminal device receives first configuration information, and the first configuration information is used to configure the terminal device to send at least two uplink channels channel.
  • the terminal device by reporting the first capability information to the network device, the terminal device can enable the network device to flexibly configure whether the terminal device transmits at least two uplink channels according to requirements, thereby flexibly adapting to at least two different scenarios.
  • the acquiring, by the terminal device, first power information corresponding to the first uplink channel set includes: the terminal device determining a target uplink channel, the The terminal device determines the first power information corresponding to the first uplink channel set according to the first power information corresponding to the target uplink channel.
  • the target uplink channel may be at least one of the at least two uplink channels.
  • the target uplink channel may be at least one uplink channel in the first uplink channel set, specifically, the target uplink channel may be: an uplink channel with the largest number of resource elements carrying data; or, a data carrying channel The uplink channel with the smallest number of resource elements; or, the uplink channel with the largest number of time-domain symbols; or, the uplink channel with the smallest number of time-domain symbols.
  • the terminal device may determine the target channel through different rules, and use the first power information corresponding to the target channel to determine the first power information corresponding to the first uplink channel set to be transmitted, and then determine the first uplink
  • the transmission power of the uplink channels in the channel set can ensure that the transmission power of all uplink channels in the first uplink channel set is the same.
  • the terminal device may acquire the first power information corresponding to the first uplink channel set in the following manner, for example, the terminal device determines to carry data The average value of the number of resource elements of the terminal, the terminal device uses the average value to determine the first power information corresponding to the first uplink channel set, where the average value is all uplinks in the first uplink channel set The sum of the number of resource elements of the data carried by the channel divided by the value of the number of uplink channels in the first uplink channel set, or the average value is the data carried in some uplink channels in the first uplink channel set The total number of resource elements of is divided by a value obtained by dividing the number of partial uplink channels in the first uplink channel set.
  • the terminal device may acquire the first power information corresponding to the first uplink channel set in the following manner, for example, the terminal device determines the time domain The average value of the number of symbols.
  • the terminal device uses the average value to determine the first power information corresponding to the first uplink channel set, where the average value is the value of all uplink channels in the first uplink channel set.
  • the sum of the number of occupied time domain symbols divided by the value of the number of uplink channels in the first uplink channel set, or the average value is the number of time domain symbols occupied by some uplink channels in the first uplink channel set A value obtained by dividing the sum by the number of partial uplink channels in the first uplink channel set.
  • the terminal device may acquire the first power information corresponding to the first uplink channel set in the following manner, for example, the terminal device determines the target uplink A channel, determining first power information corresponding to the first uplink channel set according to first power information corresponding to the target uplink channel, wherein the target uplink channel is at least one uplink channel among the at least two uplink channels Or, the target uplink channel is at least one uplink channel in the first uplink channel set, and the target uplink channel may specifically be: an uplink channel carrying uplink control information UCI; or, an uplink channel of a buffer status report BSR; Or, the upstream channel corresponding to the highest priority of UCI; or, the upstream channel corresponding to both UCI and data; or, the upstream channel corresponding to UCI, BSR, and data; or, the upstream channel corresponding to BSR and data; Or, the uplink channel with the highest or lowest transmission code rate in the uplink channel carrying UCI and data at the same
  • the terminal device may acquire the first power information corresponding to the first uplink channel set in the following manner, for example, the terminal device determines the Among the at least two uplink channels, the uplink channel with the largest number of UCI bits is the target uplink channel, and the first power information corresponding to the target uplink channel is determined as the first power information corresponding to the first uplink channel set.
  • the terminal device may acquire the first power information corresponding to the first uplink channel set in the following manner, for example, the terminal device Index of the at least two uplink channels corresponding to the index is determined as the target uplink channel, and the first power information corresponding to the target uplink channel is determined as the first corresponding to the first uplink channel set One power information.
  • the terminal device may acquire the first power information corresponding to the first uplink channel set in the following manner, for example, the terminal device determines the The first uplink channel of the at least two uplink channels is the target uplink channel, and the first power information corresponding to the first uplink channel is determined as the first power information corresponding to the first uplink channel set; or, the terminal The device determines that the second uplink channel of the at least two uplink channels is the target uplink channel, and determines the first power information corresponding to the second uplink channel as the first power information corresponding to the first uplink channel set.
  • the method further includes: the terminal device receives the first Two configuration information, the second configuration information is used to configure at least one of a first DCI format, a first wireless network temporary identifier RNTI, a first control resource set group, a first search space, or a first search space index group;
  • the first DCI format is a DCI format corresponding to the DCI; or, the first RNTI is an RNTI scrambling the DCI; or, the first control resource set group includes a control resource set where the DCI is located; Or, the first search space index group includes an index of a search space where the DCI is located; or, the first search space is a search space where the DCI is located.
  • the terminal device will only transmit the uplink channel of the shared demodulation reference signal after receiving the second configuration information, to ensure that the network device can correctly demodulate the uplink channel sent to ensure the uplink channel Transmission reliability.
  • the at least two upstream channels satisfy at least one of the following conditions: the at least two upstream channels carry the same transport block; or, the Time domain resources where two uplink channels exist in at least two uplink channels have different start symbol indexes; or, time domain lengths of time domain resources where two uplink channels exist in the at least two uplink channels have different time domain lengths The number of symbols; or, there are two uplink channels in the at least two uplink channels, and the time domain resources where the two uplink channels are located are in the same time slot.
  • the uplink channel that meets the above conditions is an uplink channel that needs to be repeatedly transmitted.
  • the terminal device can use the same transmission power to send the repeatedly transmitted uplink channel to ensure that it can share the demodulation reference Signal, reducing the overhead of demodulating the reference signal and improving the demodulation performance.
  • a power control method includes: a network device sends first indication information, where the first indication information is used to instruct a terminal device to send at least two uplink channels, wherein the at least two An uplink channel includes a first uplink channel and a second uplink channel, the time domain resource where the first uplink channel is located and the time domain resource where the reference signal is located do not overlap in the time domain, and the time domain where the second uplink channel is located.
  • the network device sends the first indication information to the terminal device so that the terminal device uses the same transmission power to transmit at least two uplink channels, and receives the terminal device using at least one reference signal in one uplink channel
  • the at least two uplink channels sent can reduce the overhead of the reference signal, improve the reliability of the uplink channel transmission, and improve the reception performance of the uplink transmission channel.
  • the method further includes: the network device receiving the first capability sent by the terminal device Information, the first capability information is used to indicate that the terminal device supports the ability to send at least two uplink channels; and/or, the network device sends first configuration information, and the first configuration information is used to configure the The terminal device sends at least two upstream channels.
  • the method further includes: the network device sends the first Two configuration information, the second configuration information is used to configure at least one of a first DCI format, a first wireless network temporary identifier RNTI, a first control resource set group, a first search space, or a first search space index group;
  • the first DCI format is a DCI format corresponding to the DCI; or, the first RNTI is an RNTI scrambling the DCI; or, the first control resource set group includes a control resource set where the DCI is located; Or, the first search space index group includes an index of a search space where the DCI is located; or, the first search space is a search space where the DCI is located.
  • the at least two upstream channels satisfy at least one of the following conditions: the transport blocks carried by the at least two upstream channels are the same; or, the Time domain resources where two uplink channels exist in at least two uplink channels have different start symbol indexes; or, time domain lengths of time domain resources where two uplink channels exist in the at least two uplink channels have different time domain lengths The number of symbols; or, there are two uplink channels in the at least two uplink channels, and the time domain resources where the two uplink channels are located are in the same time slot.
  • a device for power control is provided, which is applied to implement the method described in the first aspect above.
  • the power control device is a terminal device or a device that supports the terminal device to implement power control of the method described in the first aspect, for example, the power control device includes a chip system.
  • the function of the power control device can be realized by hardware, and can also be realized by hardware executing corresponding software.
  • the hardware or software includes one or more units corresponding to the above functions.
  • the power control device includes a transceiver module and a processing module.
  • the processing module may be, for example, a processor.
  • the transceiver module may be, for example, a transceiver.
  • the transceiver may include a radio frequency circuit and Baseband circuit.
  • the transceiver module is used to support communication between the device for power control and network devices or other devices for power control.
  • the transceiver module may further include a sending module and a receiving module.
  • a receiving module is used to receive first indication information sent by a network device; a processing module is used to acquire first power information corresponding to a first uplink channel set, and determine the first uplink according to the first power information The transmission power of the upstream channel in the channel set.
  • the power control device may further include a memory for coupling with the processor, which stores necessary program instructions and data of the power control device.
  • the device includes: a processor, a baseband circuit, a radio frequency circuit, and an antenna.
  • the processor is used to control the functions of various circuits, and the baseband circuit, radio frequency circuit, and antenna are used to implement communication between the device and the network device.
  • the radio frequency circuit may perform digital conversion, filtering, amplification, and down conversion on the first indication information sent by the network device received via the antenna, and then decode the baseband circuit according to the protocol to obtain the first One instruction.
  • the device also includes a memory, which stores necessary program instructions and data of the device; in uplink communication, the baseband circuit generates an uplink channel to be transmitted, and performs analog conversion, filtering, amplification, and up-conversion through a radio frequency circuit, etc. After processing, the antenna is sent to the network device.
  • a memory which stores necessary program instructions and data of the device; in uplink communication, the baseband circuit generates an uplink channel to be transmitted, and performs analog conversion, filtering, amplification, and up-conversion through a radio frequency circuit, etc. After processing, the antenna is sent to the network device.
  • the device includes a processor and a modem.
  • the processor can be used for instructions or an operating system to control the functions of the device.
  • the modem can encapsulate, encode, decode, and modulate data according to the protocol. Demodulation, equalization, etc. to generate an uplink channel to be transmitted to support the terminal device to perform the corresponding function in the first aspect.
  • the chip when the device is a chip in the terminal device, the chip includes: a processing module and a transceiver module, and the processing module may be, for example, a processor, and the processor may be used to The data packet bearing the first indication information received by the module performs processing such as filtering, demodulation, power amplification, and decoding.
  • the transceiver module may be, for example, an input/output interface, a pin, or a circuit on the chip.
  • the processing module can execute computer-executed instructions stored in the storage unit to support the device to perform the corresponding functions of the first aspect.
  • the storage unit may be a storage unit in the chip, such as a register, a cache, etc.
  • the storage unit may also be a storage unit in the device outside the chip, such as a read-only memory ( read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (random access memory, RAM), etc.
  • the apparatus includes a processor for coupling with a memory, and reading instructions in the memory and executing the functions related to the terminal device according to the first aspect described above according to the instructions.
  • the memory may be located inside the processor or outside the processor.
  • a power control device for implementing the method described in the second aspect above.
  • the information indicating device is a network device or an information indicating device that supports the network device to implement the method described in the second aspect, for example, the information indicating device includes a chip system.
  • the function of the power control device can be realized by hardware, and can also be realized by hardware executing corresponding software.
  • the hardware or software includes one or more units corresponding to the above functions.
  • the power control device includes: a processing module and a transceiver module, the processing module may be, for example, a processor, the transceiver module may be, for example, a transceiver, and the transceiver may include a radio frequency circuit and Baseband circuit.
  • the transceiver module is used to support communication between the device and the terminal device and between the device and the core network device.
  • the transceiver module may further include a sending module and a receiving module, which may be used to support network devices to perform uplink and downlink communications. .
  • the sending module may be used to send the first indication information to the terminal device, and the receiving module may be used to receive the uplink channel in the first uplink channel set according to at least one reference signal in the first uplink channel set; the processing module, It can be used to process the received upstream channel.
  • the power control device may further include a memory for coupling with the processor, which stores necessary program instructions and data of the power control device.
  • the power control device includes: a processor, a baseband circuit, a radio frequency circuit, and an antenna.
  • the processor is used to realize the control of the functions of each circuit part, the baseband circuit, the radio frequency circuit and the antenna, and is used to support the communication between the power control device and the terminal device and the power control device and the core network device.
  • the radio frequency circuit of the power control device may perform digital conversion, filtering, amplification, and down-conversion on at least two uplink channels sent by a terminal device received via an antenna, and then perform via a baseband circuit
  • the decoding is decapsulated according to the protocol to obtain upstream information.
  • the power control device further includes a memory that stores necessary program instructions and data of the power control device; for example, in downlink communication, the baseband circuit of the power control device generates first indication information via radio frequency After the circuit performs analog conversion, filtering, amplification and up-conversion, it is sent to the terminal equipment by the antenna.
  • a memory that stores necessary program instructions and data of the power control device; for example, in downlink communication, the baseband circuit of the power control device generates first indication information via radio frequency After the circuit performs analog conversion, filtering, amplification and up-conversion, it is sent to the terminal equipment by the antenna.
  • the power control device includes a processor and a modem.
  • the processor may be used to run instructions or an operating system to control the function of the power control device.
  • the modem may perform data on the protocol Encapsulation, codec, modulation and demodulation, equalization, etc. to generate first indication information to support the power control device to perform the corresponding function in the second aspect; the modem can also be used to receive at least two upstream channels sent by the terminal device To decode the at least two upstream channels to obtain upstream information.
  • the chip when the power control device is a chip in a base station or an access point, the chip includes: a processing module and a transceiver module, the processing module may be, for example, a processor, and the processor may It is used to filter, demodulate, power amplify, decode, etc. data packets of at least two upstream channels received via a transceiver module.
  • the transceiver module may be, for example, an input/output interface, a pin, or a circuit on the chip. Wait.
  • the processing module can execute computer execution instructions stored in the storage unit to support the power control device to perform the corresponding function of the second aspect.
  • the storage unit may be a storage unit in the chip, such as a register, a cache, etc.
  • the storage unit may also be a storage unit located outside the chip in the power control device, such as only Read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (random access memory, RAM), etc.
  • the power control apparatus includes a processor, which is used to couple with a memory, and read instructions in the memory and perform functions related to the network device in the second aspect according to the instructions .
  • the memory may be located inside the processor or outside the processor.
  • the present application provides a computer non-transitory storage medium, including computer software instructions, which when executed in a power control device or a chip built in the power control device, execute 11. The method of any of the claims.
  • the present application provides a computer non-transitory storage medium, including computer software instructions, which when executed in a power control device or a chip built in the power control device, executes as claimed in claims 12 to 15. The method of any of the claims.
  • an embodiment of the present application further provides a computer program product containing instructions, which, when the computer program product runs in a power control device, causes the power control device to execute the above-described first to second aspects method.
  • the names of the terminal device, network device, and power control device do not limit the device itself. In actual implementation, these devices may appear under other names. As long as the functions of each device are similar to the embodiments of the present application, they fall within the scope of the claims of the present application and their equivalent technologies.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic comparison diagram of a different type of physical uplink shared channel provided by an embodiment of this application;
  • FIG. 3 is a schematic diagram of reference signal sharing provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a power control method according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of this application.
  • FIG. 6 is a schematic structural diagram of a network device according to an embodiment of this application.
  • FIG. 7 is a schematic structural diagram of a terminal device according to an embodiment of this application.
  • FIG. 8 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • the technical solutions of the embodiments of the present application can be applied to 5G New Radio (NR) wireless access technology systems, and can also be applied to other communication systems, as long as there is one of the entities in the communication system that needs to send the indication information of the transmission direction , Another entity needs to receive the indication information and determine the transmission direction within a certain time according to the indication information.
  • NR New Radio
  • the network device and the terminal device 1 to the terminal device 6 form a communication system.
  • terminal devices 1 to 6 can send uplink data to the network device, and the network device needs to receive the uplink data sent by terminal device 1 to terminal device 6.
  • the terminal devices 4 to 6 may also constitute a communication system.
  • the network device can send downlink information to the terminal device 1, the terminal device 2, the terminal device 5, etc.
  • the terminal device 5 can also send the downlink information to the terminal device 4 and the terminal device 6.
  • the network device involved in the embodiment of the present application may be an entity on the network side for transmitting and receiving signals, such as a new generation base station (new generation Node B, gNodeB).
  • the network device may also be a device for communicating with a mobile device, and the network device may be an access point (AP) in a wireless local area network (Wireless Local Area Network, WLAN), a global mobile communication system (global system for mobile communication) , GSM) or Code Division Multiple Access (CDMA) Base Station (Base Transceiver Station, BTS), or Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) base station (NodeB, NB), it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in Long Term Evolution (LTE), or a relay station or access point, or in-vehicle equipment, wearable equipment, and future 5G networks Network equipment or network equipment in a future public land mobile network (PLMN) network, or gNode
  • the network device provides services for the cell
  • the terminal device communicates with the network device through the transmission resources (eg, frequency domain resources, or spectrum resources) used by the cell
  • the cell may be a network device (For example, a base station)
  • the corresponding cell, the cell may belong to a macro base station or a base station corresponding to a small cell (small cell), where the small cell may include: a metro cell, a micro cell, and a pico cell , Femtocell (femtocell), etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the terminal equipment involved in the embodiments of the present application may be an entity on the user side for receiving or transmitting signals, such as a new generation user equipment (new generation UE, gUE).
  • Terminal equipment may also be called terminal equipment (user equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user Agent or user device.
  • the terminal equipment may be a station (STAION, ST) in the WLAN, may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (personal digital assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems, such as terminal devices in 5G networks or Terminal equipment in the PLMN network that evolves in the future, terminal equipment in the NR communication system, etc.
  • the terminal device may also be a wearable device. Wearable devices can also be referred to as wearable smart devices.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories.
  • Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions that do not depend on smartphones, such as smart watches or smart glasses, and only focus on a certain type of application functions, and need to cooperate with other devices such as smartphones Use, such as various smart bracelets and smart jewelry for sign monitoring.
  • the NR system supports various time scheduling units, and the length can be one or more time domain symbols.
  • the symbol is an orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbol, where the OFDM symbol may or may not use conversion precoding. If conversion precoding is used, the OFDM symbol may be called single carrier-frequency division multiplexing (SC-FDM).
  • OFDM orthogonal frequency division multiplexing
  • SC-FDM single carrier-frequency division multiplexing
  • the NR system is composed of time slots (slots), and a slot includes 14 symbols.
  • the NR system supports multiple sub-carrier intervals, and different sub-carrier intervals have different time lengths corresponding to slots.
  • the time length corresponding to a slot is 1 ms
  • the time length corresponding to a slot is 0.5 ms
  • the time corresponding to a slot The length is 0.25 ms. Since the number of symbols in a slot is always 14 symbols, the length of time corresponding to the symbols also changes with the change of the subcarrier interval.
  • High-level signaling may refer to signaling sent by a high-level protocol layer.
  • the high-level protocol layer is at least one protocol layer in each protocol layer above the physical layer.
  • the high-level protocol layer may specifically be at least one of the following protocol layers: medium access control (medium access control (MAC) layer, radio link control (radio link control, RLC) layer, packet data aggregation protocol (packet data convergence protocol protocol (PDCP) layer, radio resource control (radio resource control (RRC) layer and non-access layer (NAS).
  • MAC medium access control
  • RLC radio link control
  • PDCP packet data aggregation protocol
  • RRC radio resource control
  • NAS non-access layer
  • high-level signaling is generally equivalent to configuration information.
  • configuration information that is, the configuration information is high-level signaling.
  • physical layer signaling or dynamic signaling is generally control information carried in downlink control information (downlink control information, DCI).
  • the time-frequency domain resources include time-domain resources and/or frequency-domain resources.
  • the frequency domain resource may be one or more resource blocks (RB), one or more resource units (RE), one or more carriers/cells, or one or more Multiple partial bandwidths (BWP) can also be one or more RBs on one or more BWPs on one or more carriers, or one or more BWPs on one or more carriers One or more REs on one or more RBs.
  • the time domain resource may be one or more time slots, or one or more symbols on one or more time slots.
  • the symbol may be an orthogonal frequency division multiplexing symbol (orthogonal frequency division multiplexing, OFDM).
  • the uplink channel here is a carrier that carries uplink information, and the network device will receive this channel and then decode the information on this channel instead of referring to the virtual channel, which is the physical space. Within the virtual propagation path. All the uplink channels involved in this application refer to carriers carrying uplink information.
  • the terminal device calculates the transmission power corresponding to the uplink channel, and transmits the uplink channel using the calculated transmission power. For example, if the terminal device needs to send PUSCH, it can calculate the corresponding transmission power by using the following formula:
  • b represents the BWP partial transmission bandwidth index
  • f represents the carrier index
  • c represents the serving cell index
  • i represents the transmission timing of a PUSCH, that is, characterizes the PUSCH transmitted at different times
  • j represents the initial PUSCH transmission power index, that is, a different index It can correspond to different initial PUSCH transmission power PO_PUSCH, b, f, c (j), and different scale factors of path loss ⁇ b, f, c (j).
  • q d represents the reference signal resource index
  • l represents the PUSCH power control adjustment status index.
  • ⁇ represents the subcarrier spacing
  • P CMAX,f,c (i) represents the maximum value of the power transmitted by the configuration terminal equipment, Represents the frequency domain bandwidth where the i-th PUSCH resource is located, and the value is the number of one or at least two RBs.
  • ⁇ b,f,c (j) represents the scale factor of the path loss (pass loss, PL), and the value can be one of ⁇ 0,0.4,0.5,0.6,0.7,0.8,0.9,1 ⁇ .
  • PL b,f,c (q d ) represents the path loss
  • PL b,f,c (q d ) reference signal power-high-level configuration filtering (reference signal received power).
  • the reference signal power is configured by high-level signaling, and the reference signal received power (reference signal received power, RSRP) is determined by filtering according to the high-level configuration of the reference serving cell.
  • ⁇ TF, b, f, c (i) represents the transmission offset of the i-th PUSCH resource
  • f b, f, c (i, l) is the PUSCH power control adjustment state quantity.
  • C is the coding code block corresponding to the data transmission block carried by the PUSCH, and one transmission block may carry at least two coding code blocks.
  • K r is the corresponding coded bit size of the coded code block r. The value depends on whether the PUSCH carries data. If the PUSCH carries data, then The value is 1; if the PUSCH carries only control information and no data, then Is the offset of the control information.
  • N RE is the number of data-bearing REs where PUSCH is located, defined as among them Is the number of time domain symbols where PUSCH resources are located, For the number of time domain symbols where the PUSCH is located, the number of REs after demodulation reference signals (DMRSs) and REs occupied by phase tracking signals are removed in the frequency domain resources of one RB.
  • DMRSs demodulation reference signals
  • Q m is the modulation order, and the value is one of 1,2,4,6,8,10, 1 represents pi/2BPSK modulation, 2 represents QPSK modulation, 4 represents 16QAM modulation, and 6 represents 64QAM modulation , 8 represents 256QAM modulation, 10 represents 1024QAM modulation.
  • R is the target coding rate, and the value range is generally between 30/1024 and 948/1024, where R and Q m can be configured through high-level signaling or notified in DCI.
  • f b,f,c (i,l) is the PUSCH power control adjustment state quantity. The value is determined according to the transmission power control (TPC) in DCI, or is equal to 0.
  • TPC transmission power control
  • the PUSCH power control adjustment state quantity is divided into cumulative mode and absolute mode.
  • f b,f,c (i,l) is the PUSCH power control adjustment state quantity corresponding to the PUSCH sent at the previous time.
  • f b,f,c (i,l) is determined according to the TPC corresponding to the PUSCH currently being sent.
  • PUSCH1 occupies 7 symbols in a time slot, where the reference signal occupies one symbol, and the first two PUSCH2 Occupies 2 symbols in one slot, and the last PUSCH2 occupies 3 symbols in one slot, where the reference signal occupies one symbol. It can be seen that whether it is PUSCH1 or PUSCH2, it contains a reference signal. It is worth noting that data can also be transmitted on the symbol where the reference signal is located (using different frequency domain resources).
  • the terminal equipment when it performs at least two mini-slot PUSCH transmissions, it uses a few symbols to transmit PUSCH instead of always using more symbols to transmit PUSCH, as shown in Figure 2 for PUSCH2.
  • the terminal device sends three PUSCHs.
  • the three PUSCHs are located in the same frequency domain resource, and reference signal sharing can be achieved.
  • the first PUSCH carries the reference signal, and the latter two PUSCHs do not carry the reference. Signal, in this case, the reception and demodulation of the last two PUSCHs depend on the reference signal transmitted on the first PUSCH.
  • the PUSCH cannot adjust its transmission power following the change of the configured RE, that is, the transmission power of the PUSCH cannot be adaptively adjusted according to the time-frequency resources corresponding to the PUSCH.
  • one terminal device can only be configured with one K S on one BWP, when the PUSCH is only used to carry CSI (that is, no data is carried on the PUSCH), the transmission performance of CSI cannot be guaranteed. It can be seen that this method has obvious drawbacks.
  • the present application proposes a power control method, related equipment and system, which can ensure that the transmission power of the uplink channel of the shared reference signal is consistent, improve the demodulation performance of the uplink channel, and improve the reliability of the uplink channel transmission.
  • FIG. 4 is a schematic flowchart of a power control method according to an embodiment of the present application.
  • the terminal device and the network device described in FIG. 4 may correspond to the terminal device and the network device shown in FIG. 1, respectively.
  • the method includes but is not limited to the following steps:
  • S401 The terminal device sends the first capability information to the network device.
  • the first capability information is used to indicate that the terminal device supports the capability of sending at least two uplink channels.
  • the uplink channel may be a PUSCH, a PUCCH, a sounding reference signal (SRS) channel, or other uplink channels, which is not limited in this application.
  • PUSCH PUSCH
  • PUCCH Physical Uplink Control Channel
  • SRS sounding reference signal
  • the network device sends the first configuration information to the terminal device.
  • the network device may send the first configuration information to the terminal device device.
  • the first configuration information is used to configure the terminal device to send at least two uplink channels.
  • the network device may send the first configuration information to the terminal device based on the first capability information reported by the terminal device, or may not be based on the first capability information reported by the terminal device (or when the terminal device does not report the first capability information ) Send the first configuration information to the terminal device.
  • the at least two uplink channels carry the same data and/or control information, and/or, the two uplink channels include a first uplink channel and a second uplink channel, and the time domain resource where the first uplink channel is located The time domain resource where the reference signal is located does not overlap in the time domain, and the time domain resource where the second uplink channel is located and the time domain resource where the at least one reference signal is located overlap in the time domain.
  • the terminal device reports the first capability information to the network device, which can enable the network device to flexibly configure whether the terminal device transmits at least two uplink channels according to requirements, thereby flexibly adapting to at least two different scenarios.
  • S403 The network device sends first indication information to the terminal device.
  • the network device may send the first indication information to the terminal device.
  • the first indication information is used to instruct the terminal device to send at least two uplink channels, where the at least two uplink channels include a first uplink channel and a second uplink channel, where the first uplink channel is located
  • the time domain resource and the time domain resource where the reference signal is located do not overlap in the time domain
  • the at least two Each upstream channel includes a first upstream channel set
  • the first upstream channel set includes at least one upstream channel in the first upstream channel and at least one upstream channel in the second upstream channel.
  • the first indication information may be DCI, or other information
  • the reference signal may be an uplink reference signal, specifically a demodulation reference signal (DMRS), or a phase tracking reference signal (phase -tracking reference signal (PT-RS), or sounding reference signal (SRS), or other reference signal, which is not limited in this application.
  • DMRS may include PUSCH DMRS or PUCCH DMRS.
  • time domain resource where the first uplink channel is located and the time domain resource where the reference signal is located do not overlap in the time domain, which means that each symbol included in the first uplink channel does not include the reference signal.
  • time domain resource where the first uplink channel is located and the time domain resource where any reference signal is located do not overlap in the time domain.
  • the time domain resource where the second uplink channel is located overlaps with the time domain resource where the at least one reference signal is located in the time domain, which means that among the symbols included in the second uplink channel, there is at least one symbol containing the reference signal.
  • time domain resource where the second uplink channel is located and the time domain resource where the at least one reference signal is located completely overlap in the time domain it means that each symbol included in the second uplink channel includes the reference signal. If the time domain resource where the second uplink channel is located and the time domain resource where the at least one reference signal is located partially overlap in the time domain, it means that among the symbols included in the second uplink channel, some symbols include reference signals, and some symbols do not include references signal.
  • At least two uplink channels sent by the terminal device may include only one uplink channel set (that is, the first uplink channel set), or may include other uplink channel sets in addition to the first uplink channel set, for example It may also include a second uplink channel set, and more uplink channel sets.
  • other uplink channel sets may include only one or more uplink channels in the second uplink channel; it may also include one or more uplink channels in the first uplink channel, and one or more uplink channels in the second uplink channel.
  • Different uplink channel sets may be uplink channel sets corresponding to different identifiers, uplink channel sets corresponding to different transmission types, uplink channel sets corresponding to different frequency domain resources, or uplink channels corresponding to different time slots.
  • the set may also be an uplink channel set corresponding to different time-frequency resource lengths.
  • the terminal device when the first indication information is DCI, before receiving the first indication information sent by the network device, the terminal device will also receive second configuration information sent by the network device.
  • the second configuration information is used to Configure at least one of a first DCI format, a first wireless network temporary identity (RNTI), a first control resource set group, a first search space, or a first search space index group.
  • RNTI wireless network temporary identity
  • the first DCI format is the DCI format corresponding to the DCI.
  • the first DCI format may be DCI format 1_0, or DCI format 1_1, or DCI format 1_2, etc.
  • the resources that DCI of different DCI formats can carry are not the same .
  • the first RNTI is an RNTI that scrambles the DCI.
  • the first RNTI may be system information RNTI (system information-RNTI, SI-RNTI), temporary cell RNTI (temporary cell-RNTI, TC-RNTI), paging RNTI (paging-RNTI, P-RNTI), cell RNTI (cell-RNTI, C-RNTI), configured scheduling RNTI (configured scheduling-RNTI, CS-RNTI), and modulation coding method cell RNTI (modulation and coding scheme-cell- RNTI, MCS-C-RNTI), etc.
  • the first control resource set group includes the control resource set where the DCI is located, the first search space index group includes an index of the search space where the DCI is located, and the first search space is the search space where the DCI is located
  • the first search space may be a public search space or a user-specific search space. It can be understood that the number of bits corresponding to the DCI format 1_2 is smaller than the number of bits corresponding to the DCI format 1_0, for example, the bit difference between the DCI format 1_2 and the DCI format 1_0 is less than or equal to any bit value between 10 and 16 bits.
  • the terminal device will only perform the process of sending the uplink channel of the shared reference signal after receiving the second configuration information, and send the uplink channel of the shared reference signal to the network device to ensure that the network device can correctly perform the uplink channel transmission Demodulation to ensure the reliability of uplink channel transmission.
  • the at least two upstream channels satisfy at least one of the following conditions: the at least two upstream channels carry the same transport block; or, there are two upstream channels in the at least two upstream channels
  • the time domain resource where the channel is located has a different starting symbol index; or, the time domain resource where the two upstream channels are located in the at least two uplink channels has a different number of symbols in the time domain; or, the at least two There are two uplink channels in the same time slot in two uplink channels.
  • At least two uplink channels that meet the above conditions can share the reference signal and improve the transmission efficiency of the uplink system resources, so when the terminal device sends at least two uplink channels that meet the above conditions, it will perform the operation of sharing the uplink channel corresponding to the reference signal.
  • at least two uplink channels satisfying the conditions are transmitted using the same transmission power to ensure that they can share the demodulation reference signal, reduce the overhead of the demodulation reference signal, and improve demodulation performance.
  • the terminal device obtains first power information corresponding to the first uplink channel set, and determines the transmission power of the uplink channel in the first uplink channel set according to the first power information.
  • the terminal device After receiving the first configuration information sent by the network device, the terminal device acquires the first power information corresponding to the first uplink channel set.
  • the first power information may be the transmission offset ⁇ TF or the modulation and coding mode offset K S , or may be other parameters that determine the power of the first uplink channel.
  • the terminal device may calculate the transmission power by using a corresponding transmission power calculation method (for example, the above-mentioned calculation method of the transmission power of the PUSCH), and use the transmission power to transmit the first uplink channel set All uplink channels, that is, the transmission power of all uplink channels in the first uplink channel set are the same, and thus their phase information is also the same, which can satisfy the condition when the reference signal is shared.
  • S405 The terminal device sends at least two uplink channels to the network device.
  • the terminal device only sends the at least two uplink channels to the network device after determining the transmission power of the uplink channel in the first uplink channel set.
  • the terminal device sends the at least two uplink channels using the calculated transmission power. If at least two uplink channels sent by the terminal device include other uplink channel sets in addition to the first uplink channel set, the terminal device may use the transmission power calculated by the first power information corresponding to the first uplink channel set to send the first For the uplink channels in the uplink channel set, for the uplink channels in other uplink channel sets, you can use the existing transmission method to transmit, or for other uplink channel sets, use the same method to calculate the corresponding transmission power, and according to the calculation The uplink channel in the uplink channel set of the transmit power mode.
  • the network device receives the uplink channel in the first uplink channel set according to at least one reference signal in the second uplink channel in the first uplink channel set.
  • the first uplink channel set may include one or more uplink channels in the second uplink channel, that is, there may be multiple uplink channels containing reference signals in the first uplink channel set, and each second uplink channel
  • the uplink channel in the channel may contain one or more reference signals.
  • the network device When receiving and demodulating, the network device only needs to pass a reference signal to receive and To demodulate all the uplink channels in the first uplink channel set, the network device can arbitrarily select one of the uplink channels carrying the reference signal to obtain the reference signal it carries, and use the reference signal to receive and demodulate.
  • step S403 is performed after step S401 and step S402 as an example for description, but in practical applications, step S403 may be performed simultaneously with step S401 and step S402, or step S403 may be performed at Step S401 and step S402 are executed before.
  • step S401 or step S402 can be used alone, or step S401 and step S402 can be used in combination; step S403 can also be directly executed without using step S401 and step S402, which is not done in this application. Specific restrictions.
  • steps S401 to S406 involved in the above method embodiments are only a schematic description and summary, and should not constitute a specific limitation. The steps involved may be added, reduced, or combined as needed.
  • the terminal device when acquiring the first power information corresponding to the first uplink channel set, the terminal device needs to determine a target uplink channel, and according to the first power information corresponding to the target channel, determine that the first uplink channel set corresponds to First power information.
  • the target uplink channel is at least one uplink channel in the at least two uplink channels, or the target uplink channel is at least one uplink channel in the first uplink channel set.
  • the embodiments of the present application determine the target upstream channel in any of the following ways:
  • the target uplink channel is the uplink channel with the largest number of resource elements carrying data among the at least two uplink channels.
  • the terminal device selects an uplink channel with the largest number of resource elements carrying data among at least two channels as the target uplink channel.
  • the calculation method of the number of resource elements carrying data in the uplink channel N RE can use the above calculation method, that is, the resource element occupied by the reference signal is removed from the time-frequency domain resource where an uplink channel is located; other calculation methods, such as one
  • the time-frequency domain resource where the uplink channel is located excludes the resource element occupied by the reference signal and the resource element occupied by uplink control information (uplink control information, UCI). This application does not limit this.
  • the first power information corresponding to the obtained first uplink channel set is determined to be small, that is, the final calculated a channel set corresponding to the uplink transmission power is small, e.g., if the uplink channel is the PUSCH, understood by the above description, N RE is larger, the smaller the ⁇ TF, the calculated final transmission power is also smaller, the terminal can be reduced
  • the power consumption of the equipment reduces the interference of terminal equipment between cells.
  • Method 2 determine the target upstream channel:
  • the target uplink channel is the uplink channel with the largest number of resource elements carrying data in the first uplink channel set.
  • the terminal device may select the uplink channel with the largest number of resource elements carrying data in the first uplink channel set as the target uplink channel.
  • the calculation method of N RE may be the same as the above calculation method, or other calculation methods may be selected, which is not limited in this application.
  • the target uplink channel determined at this time is not necessarily the uplink channel with the largest number of resource elements carrying data in the at least two uplink channels, but only the uplink channel with the largest number of resource elements in the first uplink channel set .
  • the corresponding first power information can be determined by the same method, and then the corresponding transmission power can be determined, which will not be repeated here.
  • the first power information corresponding to the obtained first uplink channel set is determined to be small, that is, the final calculated The transmission power corresponding to the first uplink channel set is relatively small, which can reduce the power consumption of the terminal equipment and reduce the interference of the terminal equipment between cells.
  • Method 3 determine the target upstream channel:
  • the target uplink channel is the uplink channel with the least number of resource elements carrying data among the at least two uplink channels.
  • the terminal device selects an uplink channel with the least number of resource elements carrying data as a target uplink channel among at least two channels.
  • the calculation method of N RE may be the same as the above calculation method, or other calculation methods may be selected, which is not limited in this application.
  • the first power information corresponding to the obtained first uplink channel set is determined to be large, that is, the final calculated
  • the transmission power corresponding to an uplink channel set is relatively large.
  • the uplink channel is PUSCH, it can be known from the above description that the smaller the N RE , the larger the ⁇ TF and the larger the transmission power finally calculated, which can guarantee the uplink.
  • the channel can be correctly received by the network equipment, improving reliability.
  • the target uplink channel is the uplink channel with the least number of resource elements carrying data in the first uplink channel set.
  • the terminal device may select an uplink channel with the smallest number of resource elements carrying data in the first uplink channel set as the target uplink channel.
  • the calculation method of N RE may be the same as the above calculation method, or other calculation methods may be selected, which is not limited in this application.
  • the target uplink channel determined at this time is not necessarily the uplink channel with the least number of resource elements carrying data in at least two uplink channels to be transmitted, but only the one with the largest number of resource elements in the first uplink channel set Upstream channel.
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmission power can be determined, which will not be repeated here.
  • the first power information corresponding to the obtained first uplink channel set is determined to be larger, that is, the final calculated The transmission power corresponding to the first uplink channel set is large, which can ensure that the uplink channel carrying the reference signal can be correctly received by the network device and improve reliability.
  • the target uplink channel is the uplink channel occupying the largest number of time-domain symbols among the at least two uplink channels.
  • the terminal device selects an uplink channel that occupies the largest number of time-domain symbols among at least two channels as the target uplink channel.
  • Number of time domain symbols occupied by the upstream channel The calculation method of can use the above definition, that is, when the uplink channel is PUSCH.
  • other calculation methods can also be used, such as the time domain symbols occupied by the resource elements occupied by reference signals in the time domain symbols occupied by an uplink channel (applicable to some special transmissions Waveform, such as the reference signal and data are strictly separated in time by switching the precoder). This application does not limit this.
  • the determined first power information corresponding to the first set of uplink channels is relatively small, that is, the final calculated first
  • the transmission power corresponding to the uplink channel set is relatively small.
  • the uplink channel is a PUSCH, it can be known from the above description, Is larger, the smaller the ⁇ TF, the calculated final transmission power is also smaller, it is possible to reduce the power consumption of the terminal device, the terminal device to reduce interference between cells.
  • the target uplink channel is the uplink channel occupying the largest number of time domain symbols in the first uplink channel set.
  • the terminal device may select the uplink channel that occupies the largest number of time-domain symbols in the first uplink channel set as the target uplink channel.
  • the calculation method may be the same as the above calculation method, or other calculation methods may be selected, which is not limited in this application.
  • the target uplink channel determined at this time is not necessarily the uplink channel that occupies the largest number of time-domain symbols among the at least two uplink channels to be transmitted, but is only the uplink channel that has the largest number of resource elements in the first uplink channel set .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmission power can be determined, which will not be repeated here.
  • the determined first power information corresponding to the first uplink channel set is relatively small, that is, the final calculated first The transmission power corresponding to the uplink channel set is small, which can reduce the power consumption of the terminal equipment and reduce the interference of the terminal equipment between cells.
  • the target uplink channel is the uplink channel occupying the least number of time-domain symbols among the at least two uplink channels.
  • the terminal device selects an uplink channel that occupies the least number of time-domain symbols among at least two channels as the target uplink channel.
  • the calculation method may be the same as the above calculation method, or other calculation methods may be selected, which is not limited in this application.
  • the first power information corresponding to the obtained first uplink channel set is determined to be larger, that is, the final calculated first
  • the transmission power corresponding to the uplink channel set is large.
  • the uplink channel is a PUSCH, it can be known from the above description, The smaller the ⁇ TF increases, eventually calculated the greater the power transmission, the uplink channel can be guaranteed to be correctly received by the network device, improve reliability.
  • the target uplink channel is the uplink channel that occupies the least number of time-domain symbols in the first uplink channel set.
  • the terminal device may select the uplink channel with the smallest number of occupied time domain symbols in the first uplink channel set as the target uplink channel.
  • the calculation method may be the same as the above calculation method, or other calculation methods may be selected, which is not limited in this application.
  • the target uplink channel determined at this time is not necessarily the uplink channel that occupies the least number of time-domain symbols among the at least two uplink channels to be transmitted, but is only the uplink channel that has the largest number of resource elements in the first uplink channel set .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmission power can be determined, which will not be repeated here.
  • the determined first power information corresponding to the first uplink channel set is greater, that is, the final calculated first
  • the transmission power corresponding to the uplink channel set is large, which can ensure that the uplink channel can be correctly received by the network device and improve reliability.
  • the terminal device determines an average value of the number of resource elements carrying data, and the average value is the sum of the number of resource elements carrying data of all uplink channels in the at least two uplink channels divided by the at least The value obtained from the number of uplink channels in the two uplink channels, and the terminal device uses the average value to determine the first power information corresponding to the first uplink channel set.
  • the target upstream channel determined by the above method may be a virtual upstream channel and does not correspond to any one of at least two upstream channels.
  • the target upstream channels N RE was 7.5
  • the calculated N RE is a N RE corresponding to a virtual uplink channel.
  • the first corresponding to the determined first uplink channel set can be made
  • the power information is relatively average, that is, the transmission power corresponding to the first calculated uplink channel set is relatively balanced, so as to ensure that the uplink channel can be correctly received by the network device and improve reliability.
  • the terminal device determines an average value of the number of resource elements carrying data, and the average value is the sum of the number of resource elements carrying data in some of the at least two uplink channels divided by the The value obtained from the partial uplink channel quantity value in at least two uplink channels, and the terminal device uses the average value to determine the first power information corresponding to the first uplink channel set.
  • the partial uplink channel may be one of the following: a first uplink channel among the at least two uplink channels, or a second uplink channel among the at least two uplink channels, or the first uplink channel set A first uplink channel, or a second uplink channel in the first uplink channel set, or all uplink channels in the first uplink channel set, or a part of the first uplink channel and a part of the second of the at least two uplink channels.
  • the target uplink channel determined by the above method may be a virtual uplink channel, which does not correspond to any one of at least two uplink channels.
  • the corresponding N REs are 6. 8, 9, 7, and 10, select the first four channels to calculate the total N RE of 30, the average N RE of the part is 7.5, that is, the target uplink channel is 7.5. It can be seen that the target uplink channel and the actual four uplinks exist None of the channels correspond, and the calculated N RE corresponds to a virtual uplink channel.
  • the first power information corresponding to the target uplink channel can be determined by using the average value of the number of resource elements of the data carried by some of the uplink channels in at least two uplink channels, so that the first corresponding to the determined first uplink channel set can be made
  • the power information is relatively average, that is, the transmission power corresponding to the first calculated uplink channel set is relatively balanced, so as to ensure that the uplink channel can be correctly received by the network device and improve reliability.
  • the terminal device determines an average value of the number of time-domain symbols, and the average value is the sum of the number of time-domain symbols occupied by all uplink channels in the at least two uplink channels divided by the at least two The value obtained by the number of uplink channels of the uplink channel, and the terminal device uses the average value to determine the first power information corresponding to the first uplink channel set.
  • the terminal device first obtains the sum of the number of time domain symbols occupied by all of the at least two uplink channels, that is, the total Then determine the average, that is, the average Or average Round up, or average Round down. Then according to the average Determine the first power information corresponding to the target uplink channel, and then determine the first power information corresponding to the first uplink channel set, that is, the value of ⁇ TF .
  • the target upstream channel determined by the above method may be a virtual upstream channel and does not correspond to any one of at least two upstream channels. For example, assuming that there are four upstream channels, their corresponding 12, 8, 10, and 6, respectively, the total 36, average Is 9, the target upstream channel Is 9, it can be seen that the target upstream channel does not correspond to the actual four upstream channels.
  • the first corresponding to the determined first uplink channel set can be made
  • the power information is relatively average, that is, the transmission power corresponding to the first calculated uplink channel set is relatively balanced, so as to ensure that the uplink channel can be correctly received by the network device and improve reliability.
  • the terminal device determines an average value of the number of time-domain symbols, and the average value is the sum of the number of time-domain symbols occupied by some of the at least two uplink channels divided by the first uplink The value obtained from the quantity value of some uplink channels in the channel set, and the terminal device uses the average value to determine the first power information corresponding to the first uplink channel set.
  • the partial uplink channel may be one of the following: a first uplink channel among the at least two uplink channels, or a second uplink channel among the at least two uplink channels, or the first uplink channel set A first uplink channel, or a second uplink channel in the first uplink channel set, or all uplink channels in the first uplink channel set, or a part of the first uplink channel and a part of the second of the at least two uplink channels.
  • the terminal device first obtains the sum of the number of time-domain symbols occupied by part of the at least two uplink channels, that is, the partial total Then determine the average value, which is the partial average Or partially average Round up, or partially average Round down. Then according to the average Determine the first power information corresponding to the target uplink channel, and then determine the first power information corresponding to the first uplink channel set, that is, the value of ⁇ TF .
  • the target uplink channel determined by the above method may be a virtual uplink channel and does not correspond to any one of at least two uplink channels. For example, assuming that there are five uplink channels, their corresponding They are 11, 10, 9, 12, and 10, respectively. 42, average Is 10.5, which is the target upstream channel’s Is 10.5, it can be seen that the target upstream channel does not correspond to the actual four upstream channels.
  • the first corresponding to the determined first uplink channel set can be made
  • the power information is relatively average, that is, the transmission power corresponding to the first calculated uplink channel set is relatively balanced, so as to ensure that the uplink channel can be correctly received by the network device and improve reliability.
  • the terminal device determines that the uplink channel carrying UCI among the at least two uplink channels is the target uplink channel, and the terminal device determines the corresponding uplink channel set according to the first power information corresponding to the target uplink channel. First power information.
  • UCI generally includes a hybrid automatic retransmission request (HARQ), a scheduling request (SR), and a channel state indication (CSI).
  • HARQ includes acknowledgement information (acknowledgement, ACK) and denial information (negativeacknowledgement, NACK).
  • ACK represents successful reception at the receiving end
  • NACK represents failure at the receiving end.
  • SR includes positive SR (positive SR) and negative SR (negative SR). Positive SR indicates that the terminal device currently has a request for upstream data transmission, and negative SR indicates that the terminal device does not currently have a request for upstream data transmission.
  • CSI generally includes channel quality information (channel quality indicator, CQI), rank indicator (RI), precoding matrix indicator (precoding matrix indicator, PMI), and channel state information reference signal resource indicator (CSI-RS resource indicator, CRI) ) And one or at least two pieces of information in the measurement link configuration set information, the reporting method of CSI includes aperiodic CSI, semi-persistent CSI and periodic CSI.
  • the terminal device selects the uplink channel carrying UCI among the at least two uplink channels as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel carrying UCI and obtain the UCI therein.
  • the terminal device determines that the uplink channel carrying UCI in the first uplink channel set is the target uplink channel, and the terminal device determines the corresponding uplink channel set according to the first power information corresponding to the target uplink channel First power information.
  • the terminal device may select the uplink channel carrying UCI in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power information corresponding to the first uplink channel set, that is, ⁇ _TF Value.
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device selects the uplink channel carrying UCI in the first uplink channel set as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel carrying UCI and obtain the UCI therein.
  • the terminal device determines that the uplink channel of the buffer status report (BSR) in the at least two uplink channels is the target uplink channel, and the terminal device uses the first power information corresponding to the target uplink channel To determine the first power information corresponding to the first uplink channel set.
  • BSR buffer status report
  • the terminal device selects the uplink channel of the BSR in at least two uplink channels as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel of the BSR and obtain the BSR therein.
  • the terminal device determines that the uplink channel of the BSR in the first uplink channel set is the target uplink channel, and the terminal device determines the first channel corresponding to the first uplink channel set according to the first power information corresponding to the target uplink channel One power information.
  • the terminal device may select the uplink channel carrying the UCI BSR in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power information corresponding to the first uplink channel set, That is the value of ⁇ _TF.
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device selects the uplink channel of the BSR in the first uplink channel set as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel of the BSR and obtain the BSR therein.
  • the terminal device determines that the uplink channel corresponding to the UCI with the highest priority among the at least two uplink channels is the target uplink channel, and the terminal device determines the first channel according to the first power information corresponding to the target uplink channel.
  • the first power information corresponding to the uplink channel set.
  • high-priority HARQ and low-priority HARQ may be distinguished according to different DCIs, or according to HARQ information corresponding to different data information, or may be determined based on RNTI or other information configured by high-level signaling.
  • the application is not limited.
  • the high-priority SR and the low-priority SR may be distinguished according to different SR resource indexes, which is not limited in this application.
  • the terminal device will select the uplink channel carrying HARQ as the target uplink channel.
  • CSI includes high priority CSI and low priority CSI.
  • the judgment priority is judged according to the priority function, and the CSI with a low value of the function calculation is higher than the CSI with a higher value of the function calculation.
  • Ncells represents the maximum number of serving cells
  • M(s) represents the maximum number of CSI reports corresponding to the sth CSI report index
  • s represents the sth CSI report index
  • c represents the serving cell index
  • k represents the weight of CSI report content
  • k 0 indicates that the CSI report includes the received signal received power of layer 1
  • y represents the weight of the CSI report reporting method
  • the terminal device determines that the uplink channel corresponding to the highest priority carrying UCI in the first uplink channel set is the target uplink channel, and the terminal device determines the first channel according to the first power information corresponding to the target uplink channel The first power information corresponding to the uplink channel set.
  • the terminal device may select the uplink channel corresponding to the highest priority carrying UCI in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power channel corresponding to the first uplink channel set Power information, ie the value of ⁇ TF .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device selects the uplink channel corresponding to the highest priority carrying UCI in the first uplink channel set as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel corresponding to the highest priority carrying UCI, and Obtain the UCI with the highest priority.
  • the terminal device determines that the uplink channel corresponding to the UCI and the data simultaneously carried in the at least two uplink channels is the target uplink channel, and the terminal device determines the first uplink according to the first power information corresponding to the target uplink channel The first power information corresponding to the channel set.
  • the terminal device selects the uplink channel corresponding to the UCI and the data from at least two uplink channels as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel corresponding to the UCI and the data and obtain UCI and data.
  • the terminal device determines that the uplink channel corresponding to both UCI and data in the first uplink channel set is the target uplink channel, and the terminal device determines the first uplink according to the first power information corresponding to the target uplink channel The first power information corresponding to the channel set.
  • the terminal device may select the uplink channel corresponding to both UCI and data in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power corresponding to the first uplink channel set Information, ie the value of ⁇ TF .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device selects the uplink channel corresponding to both UCI and data in the first uplink channel set as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel corresponding to UCI and data.
  • UCI and data can be seen that the terminal device selects the uplink channel corresponding to both UCI and data in the first uplink channel set as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel corresponding to UCI and data.
  • the terminal device determines that the at least two uplink channels simultaneously carry UCI, the uplink channel corresponding to the BSR and the data is the target uplink channel, and the terminal device determines the first channel according to the first power information corresponding to the target uplink channel. First power information corresponding to an uplink channel set.
  • the terminal device selects the uplink channel corresponding to UCI, BSR and data as the target uplink channel among at least two uplink channels, which can ensure that the network device can reliably receive the uplink channel corresponding to UCI, BSR and data. And get the UCI, BSR and data.
  • the terminal device determines that the uplink channel corresponding to UCI, BSR, and data in the first uplink channel set is the target uplink channel.
  • the terminal device determines the first channel according to the first power information corresponding to the target uplink channel. First power information corresponding to an uplink channel set.
  • the terminal device may select the uplink channel corresponding to UCI, BSR and data in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power channel corresponding to the first uplink channel set.
  • a power information namely the value of ⁇ TF .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device selects the uplink channel corresponding to UCI, BSR and data in the first uplink channel set as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel corresponding to UCI, BSR and data. , And get the UCI, BSR and data.
  • the terminal device determines that the uplink channel corresponding to both the BSR and the data in the at least two uplink channels is the target uplink channel, and the terminal device determines the first uplink according to the first power information corresponding to the target uplink channel The first power information corresponding to the channel set.
  • the terminal device selects the uplink channel corresponding to the BSR and data at least two of the uplink channels as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel corresponding to the BSR and the data and obtain BSR and data.
  • the terminal device determines that the uplink channel corresponding to both the BSR and the data in the first uplink channel set is the target uplink channel, and the terminal device determines the first uplink according to the first power information corresponding to the target uplink channel The first power information corresponding to the channel set.
  • the terminal device may select the uplink channel corresponding to both the BSR and the data in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power corresponding to the first uplink channel set Information, ie the value of ⁇ TF .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device selects the uplink channel corresponding to the BSR and data in the first uplink channel set as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel corresponding to the BSR and data at the same time, and obtain Which BSR and data.
  • the terminal device determines that the uplink channel with the highest or lowest transmission code rate of the UCI among the at least two uplink channels carrying UCI and data is the target uplink channel, and the terminal device determines the uplink according to the target The first power information corresponding to the channel determines the first power information corresponding to the first uplink channel set.
  • the terminal device may determine, according to the resource offset (beta offset) corresponding to UCI, the uplink channel with the highest or lowest transmission code rate of the UCI among the uplink channels carrying both UCI and data as the target uplink channel, where the resource bias is
  • the shift amount may be configured through DCI or higher layer signaling, or may be pre-defined, which is not limited in this application.
  • the terminal device determines that the uplink channel with the highest or lowest transmission code rate of the UCI in the uplink channel that simultaneously carries UCI and data in the first uplink channel set is the target uplink channel, and the terminal device determines the uplink according to the target The first power information corresponding to the channel determines the first power information corresponding to the first uplink channel set.
  • the terminal device may select the uplink channel with the highest or lowest transmission code rate of the UCI among the uplink channels carrying UCI and data in the first uplink channel set as the target uplink channel, and determine the first power information corresponding to the target uplink channel. Furthermore, the first power information corresponding to the first uplink channel set, that is, the value of ⁇ TF is determined.
  • the corresponding first power information and the corresponding transmit power can also be determined by the same method, which will not be repeated here.
  • the terminal device determines that the uplink channel with the highest or lowest transmission code rate of the data in the at least two uplink channels that simultaneously carries UCI and data is the target uplink channel, and the terminal device according to the target uplink
  • the first power information corresponding to the channel determines the first power information corresponding to the first uplink channel set.
  • the terminal device may determine the uplink channel with the highest or lowest transmission code rate of the UCI among the uplink channels carrying UCI and data as the target uplink channel according to the coding rate corresponding to the uplink channel, where the coding rate may be Modulation and coding scheme (MCS) in DCI or MCS configured by high-level signaling configuration.
  • MCS Modulation and coding scheme
  • the terminal device determines that the uplink channel with the highest or lowest transmission code rate of the data in the uplink channel that simultaneously carries UCI and data in the first uplink channel set is the target uplink channel, and the terminal device determines the uplink channel according to the target The first power information corresponding to the channel determines the first power information corresponding to the first uplink channel set.
  • the terminal device may select the uplink channel with the highest or lowest transmission code rate of the data in the uplink channel that carries both UCI and data in the first uplink channel set as the target uplink channel, and determine the first power information corresponding to the target uplink channel. Furthermore, the first power information corresponding to the first uplink channel set, that is, the value of ⁇ TF is determined.
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device determines that the uplink channel carrying the most UCI bits among the at least two uplink channels is the target uplink channel, and the terminal device determines the first channel according to the first power information corresponding to the target uplink channel The first power information corresponding to the uplink channel set.
  • the terminal device selects the uplink channel that carries the most UCI bits among at least two uplink channels as the target uplink channel, which can ensure that the network device can reliably receive the uplink channel that carries the most UCI bits and obtain the UCI therein.
  • the terminal device determines that the uplink channel carrying the most UCI bits in the first uplink channel set is the target uplink channel, and the terminal device determines the first channel according to the first power information corresponding to the target uplink channel The first power information corresponding to the uplink channel set.
  • the terminal device may select the uplink channel carrying the most UCI bits in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power channel corresponding to the first uplink channel set Power information, ie the value of ⁇ TF .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device determines that the uplink channel corresponding to the index in the at least two uplink channels is the target uplink channel according to the index of the uplink channel, and the terminal device determines the first power corresponding to the target uplink channel Information to determine the first power information corresponding to the first uplink channel set.
  • the index of the uplink channel is configured by high-layer signaling, or is defined in advance, which is not limited in this application.
  • the at least two upstream channels include four upstream channels, and the four upstream channels are arranged in chronological order.
  • the index of the upstream channel with the highest starting position is index 0, and the rest are index 1.
  • Index 2 the index of the upstream channel with the lowest starting position is index 3. If the terminal device determines that the upstream channel corresponding to index 0 is the target upstream channel, it indicates that the upstream channel with the highest starting position is the target upstream channel.
  • the terminal device determines the uplink channel corresponding to the index in the first uplink channel set as the target uplink channel according to the index of the uplink channel, and the terminal device determines the first power corresponding to the target uplink channel Information to determine the first power information corresponding to the first uplink channel set.
  • the terminal device may select the uplink channel corresponding to the index in the first uplink channel set as the target uplink channel, determine the first power information corresponding to the target uplink channel, and then determine the first power corresponding to the first uplink channel set Information, ie the value of ⁇ TF .
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device determines that the first uplink channel of the at least two uplink channels is the target uplink channel, and determines the first power information corresponding to the first uplink channel as the first uplink channel The first power information corresponding to the set.
  • the terminal device determines that the first uplink channel among the at least two uplink channels is a target uplink channel, which can reduce power consumption of terminal equipment and reduce interference between terminal equipment between cells.
  • the terminal device determines that the first uplink channel in the first uplink channel set is the target uplink channel, and determines the first power information corresponding to the first uplink channel as the first uplink channel The first power information corresponding to the set.
  • the terminal device may select the first uplink channel in the first uplink channel set as the target uplink channel, and determine the first power information corresponding to the first uplink channel as the first power corresponding to the first uplink channel set information.
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device determines that the first uplink channel in the first uplink channel set is a target uplink channel, which can reduce power consumption of terminal equipment and reduce interference of terminal equipment between cells.
  • the terminal device determines that the second uplink channel of the at least two uplink channels is the target uplink channel, and determines the first power information corresponding to the second uplink channel as the first uplink channel The first power information corresponding to the set.
  • the terminal device determines that the second uplink channel of the at least two uplink channels is the target uplink channel, which can ensure that the uplink channel can be correctly received by the network device and improve the reliability of the uplink channel.
  • the terminal device determines that the second uplink channel in the first uplink channel set is the target uplink channel, and determines the first power information corresponding to the second uplink channel as the first uplink channel The first power information corresponding to the set.
  • the terminal device may select the second uplink channel in the first uplink channel set as the target uplink channel, and determine the first power information corresponding to the second uplink channel as the first power corresponding to the first uplink channel set information.
  • the corresponding first power information can also be determined by the same method, and then the corresponding transmit power can be determined, which is not repeated here.
  • the terminal device determines the first uplink
  • the second uplink channel in the channel set is the target uplink channel, which can ensure that the uplink channel can be correctly received by the network device and improve the reliability of the uplink channel.
  • the terminal device may also make a comprehensive judgment in combination with the above-mentioned various methods to ensure that an uplink channel is finally selected as the target uplink channel.
  • the method for combining multiple methods is described in detail below. The method may include the following steps:
  • Step 1 The terminal device determines candidate uplink channels according to method A;
  • Step 2A If the candidate uplink channel includes an uplink channel, the terminal device determines the candidate uplink channel as the target uplink channel.
  • Step two B if the candidate uplink channel includes multiple uplink channels, the terminal device adopts method B to determine a new candidate uplink channel from the candidate uplink channel, method A is different from method B, if the new candidate uplink channel is one, Then, the terminal device determines the candidate uplink channel as the target uplink channel; if there are multiple new candidate uplink channels, repeat step 2B until a unique target uplink channel is determined.
  • Step 2B each time Step 2B is performed using the unused method of the previous step, that is, each method is used only once to screen the candidate upstream channel. After using it once, when performing step 2B again, it will be determined by other unused methods.
  • Target upstream channel if the candidate uplink channel includes multiple uplink channels, the terminal device adopts method B to determine a new candidate uplink channel from the candidate uplink channel, method A is different from method B, if the new candidate uplink channel is one, Then, the terminal device determines the candidate uplink channel as the target uplink channel; if there are multiple new candidate up
  • the method A is different from the method B, and both the method A and the method B may belong to any one of the above 36 determination methods, but the embodiment of the present application does not limit this.
  • the terminal device may first determine the target uplink channel according to manner 14 (that is, the terminal device determines that the uplink channel carrying UCI in the at least two uplink channels is the target uplink channel). If the only target uplink channel cannot be determined, the terminal device may then use method 18 (the terminal device determines that the uplink channel corresponding to the UCI with the highest priority in the first uplink channel set is the target uplink channel). The target uplink channel is determined among the determined candidate uplink channels.
  • the terminal device can then determine the uplink channel with the lowest transmission code rate of UCI among the uplink channels carrying UCI and data in the first uplink channel set according to method 26 (the terminal device determines Is the target uplink channel), and the target uplink channel is determined from the new candidate target uplink channels determined in mode 18.
  • determining the target uplink channel by combining the above-mentioned method 14, method 18 and method 26 has the beneficial effects of the foregoing various methods, that is, it can ensure that the determined target uplink channel can be reliably received by the network device and that the network device can Effectively obtain the UCI with the highest priority in the target upstream channel, and ensure that the UCI has the lowest transmission code rate in the upstream channel carrying UCI, the upstream channel carrying the highest priority UCI, and the upstream channel carrying both UCI and data The performance of the upstream channel.
  • the terminal device may first determine the target uplink channel according to manner 13 (that is, the terminal device determines that the uplink channel carrying UCI in the at least two uplink channels is the target uplink channel). If a unique target uplink channel cannot be determined, the terminal device may then use method 3 (that is, the terminal device determines that the uplink channel with the least number of resource elements carrying data among the at least two uplink channels is the target uplink channel). 13 Among the determined candidate uplink channels, the target uplink channel is determined. If the only target uplink channel still cannot be determined, the terminal device may then use mode 17 (ie, the terminal device determines that the uplink channel corresponding to the UCI with the highest priority among the at least two uplink channels is the target uplink channel).
  • determining the target uplink channel by combining the above method 13, method 3, and method 17 has the beneficial effects of the foregoing methods, that is, it can ensure that the determined target uplink channel can be reliably received by the network device and improve the reliability of the uplink channel , And ensure that the network equipment can effectively obtain the UCI with the highest priority in the target uplink channel, and at the same time ensure that the uplink channel carrying UCI, the uplink channel with the least number of resource elements carrying data, and the uplink channel carrying the highest priority UCI The performance of the upstream channel.
  • the terminal device may first determine the target uplink channel according to method 36 (that is, the terminal device determines that the second uplink channel in the first uplink channel set is the target uplink channel). If a unique target uplink channel cannot be determined, the terminal device may then determine the candidate uplink determined from method 36 according to method 14 (ie, the terminal device determines that the uplink channel carrying UCI in the first uplink channel set is the target uplink channel) Determine the target upstream channel in the channel. If the only target uplink channel still cannot be determined, the terminal device may then use method 18 (ie, the terminal device determines that the uplink channel corresponding to the UCI with the highest priority in the first set of uplink channels is the target uplink channel).
  • the target uplink channel is determined among the new candidate target uplink channels that have been determined. It can be understood that the combination of the above methods 36, 14 and 18 to determine the target uplink channel has the beneficial effects of the aforementioned various methods, that is, it can ensure that the determined target uplink channel can be reliably received by the network device and improve the reliability of the uplink channel And ensure that the network device can effectively obtain the highest priority UCI in the target upstream channel, and at the same time ensure the performance of the second upstream channel, the upstream channel carrying UCI, and the upstream channel corresponding to the highest priority channel carrying UCI.
  • the terminal device may first determine the target uplink channel according to method 34 (that is, the terminal device determines that the first uplink channel in the first uplink channel set is the target uplink channel). If a unique target uplink channel cannot be determined, the terminal device may then determine the candidate uplink determined from method 34 according to method 14 (that is, the terminal device determines that the uplink channel carrying UCI in the first uplink channel set is the target uplink channel) Determine the target upstream channel in the channel. If the only target uplink channel still cannot be determined, the terminal device may then use method 18 (ie, the terminal device determines that the uplink channel corresponding to the UCI with the highest priority in the first set of uplink channels is the target uplink channel).
  • the target uplink channel is determined among the new candidate target uplink channels that have been determined. If the only target uplink channel still cannot be determined, the terminal device may then use method 2 (that is, the terminal device determines that the uplink channel with the largest number of resource elements carrying data in the first uplink channel set is the target uplink channel), from A unique target uplink channel is determined from the new candidate target uplink channels determined in manner 18; or, according to method 30 (that is, the terminal device determines that the uplink channel with the largest number of UCI bits in the first uplink channel set is the Target uplink channel), the only target uplink channel is determined from the new candidate target uplink channels determined in mode 18; or, according to mode 28 (ie, the terminal device determines that the first uplink channel set carries UCI and data simultaneously The uplink channel with the highest or lowest transmission code rate of the data in the uplink channel is the target uplink channel), and the unique target uplink channel is determined from the new candidate target uplink channels that have been determined in mode 18.
  • method 2 that is, the terminal device determines
  • the target upstream channel is determined by combining the above-mentioned method 34, method 14, method 18 and method 2, or method 34, method 14, method 18 and method 30, or method 34, method 14, method 18 and method 28, It has the beneficial effects of the aforementioned various methods, that is, it can reduce the power consumption of the terminal device, reduce the interference of the terminal device in the interval, ensure that the determined target uplink channel can be reliably received by the network device, improve the reliability of the uplink channel, and ensure that the network device can be effective Obtains the highest priority UCI in the target upstream channel, and at the same time guarantees the first upstream channel, the upstream channel carrying UCI, the upstream channel corresponding to the highest priority carrying UCI, and the upstream channel or bearer with the largest number of resource elements carrying data The performance of an uplink channel with the largest number of UCI bits or an uplink channel that carries both UCI and data and has the highest or lowest data transmission rate.
  • the above method for determining the target uplink channel may have priority, that is, the terminal device may first adopt the information with the higher priority in the above determination method Judging, if the information with higher priority cannot determine the only target upstream channel, the terminal device uses the information with lower priority to make judgment.
  • the priority may be configured to the terminal device in a manner defined in advance or configured by the network device through high-level signaling.
  • any of the above embodiments can ensure that the transmission power of the uplink channels in the first uplink channel set is the same when the reference signals are shared, which solves that different uplink channels have different transmission powers when the reference signals are shared.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 500 includes at least: a sending module 510, a receiving module 520, and a processing module 530; wherein:
  • the receiving module 520 is configured to receive first indication information, and the first indication information is used to instruct the sending module 510 to send at least two uplink channels, where the at least two uplink channels include a first uplink channel and a second Uplink channel, the time domain resource where the first uplink channel is located and the time domain resource where the reference signal is located do not overlap in the time domain, and the time domain resource where the second uplink channel is located and the time domain resource where at least one reference signal is located There is overlap in the time domain.
  • the at least two upstream channels include a first upstream channel set, and the first upstream channel set includes at least one upstream channel in the first upstream channel and a second upstream channel in the second upstream channel. At least one upstream channel;
  • the processing module 530 is configured to obtain first power information corresponding to the first uplink channel set, and determine the transmit power of the uplink channel in the first uplink channel set according to the first power information.
  • the sending module 510 is used to send first capability information, and the first capability information is used to indicate that the terminal device 500 supports the capability of sending at least two uplink channels; the receiving module 520 is also used to Receiving first configuration information, where the first configuration information is used to configure the sending module 510 to send at least two uplink channels.
  • the processing module 530 is specifically configured to: determine a target uplink channel, the target uplink channel is at least one uplink channel among the at least two uplink channels, or the target channel is the first uplink channel set At least one upstream channel, the target upstream channel is: an upstream channel with the largest number of resource elements carrying data; or an upstream channel with the smallest number of resource elements carrying data; or an upstream channel occupying the largest number of time-domain symbols; or , The uplink channel occupying the least number of time-domain symbols; and according to the first power information corresponding to the target uplink channel, determining the first power information corresponding to the first uplink channel set.
  • the processing module 530 is specifically configured to: determine an average value of the number of resource elements carrying data, and the average value is the sum of the number of resource elements carrying data of all uplink channels in the first uplink channel set divided by The value obtained by the number of uplink channels in the first uplink channel set, or the average value is the sum of the number of resource elements of data carried in some uplink channels in the first uplink channel set divided by the first A value obtained from the number of partial uplink channels in the uplink channel set; using the average value, the first power information corresponding to the first uplink channel set is determined.
  • the processing module 530 is specifically configured to determine an average value of the number of time-domain symbols, and the average value is the sum of the number of time-domain symbols occupied by all uplink channels in the first uplink channel set divided by the The value obtained from the number of uplink channels in the first uplink channel set, or the average value is the sum of the number of time-domain symbols occupied by some uplink channels in the first uplink channel set divided by the first uplink channel set The value obtained from the number of partial uplink channels; using the average value, the first power information corresponding to the first uplink channel set is determined.
  • the processing module 530 is specifically configured to: determine a target uplink channel, the target uplink channel is at least one uplink channel among the at least two uplink channels, or the target uplink channel is the first uplink channel At least one upstream channel in the set, the target upstream channel is: an upstream channel carrying upstream control information UCI; or, an upstream channel with a buffer status report BSR; or, an upstream channel corresponding to the highest priority of UCI; or, simultaneously carrying Uplink channel corresponding to UCI and data; or, carrying uplink channel corresponding to UCI, BSR and data at the same time; or, carrying uplink channel corresponding to BSR and data at the same time; or, UCI transmission code in the upstream channel carrying both UCI and data The upstream channel with the highest or lowest rate; or, the upstream channel with the highest or lowest transmission code rate of the data in the upstream channel carrying both UCI and data.
  • the processing module 530 is specifically configured to: determine the uplink channel that has the largest number of UCI bits among the at least two uplink channels as the target uplink channel, and determine the first power information corresponding to the target uplink channel Is the first power information corresponding to the first uplink channel set.
  • the processing module 530 is specifically configured to: according to the index of the uplink channel, determine that the uplink channel corresponding to the index among the at least two uplink channels is the target uplink channel, and associate the target uplink channel with The first power information is determined as the first power information corresponding to the first uplink channel set.
  • the processing module 530 is specifically configured to: determine the first uplink channel among the at least two uplink channels as the target uplink channel, and determine the first power information corresponding to the first uplink channel as the first First power information corresponding to an uplink channel set; or, determining the second uplink channel of the at least two uplink channels as the target uplink channel, and determining the first power information corresponding to the second uplink channel as the first First power information corresponding to an uplink channel set.
  • the receiving module 520 is further configured to receive second configuration information, and the second configuration information is used to configure the first DCI format, the first At least one of a wireless network temporary identification RNTI, a first control resource set group, a first search space, or a first search space index group;
  • the first DCI format is a DCI format corresponding to the DCI; or, the first An RNTI is the RNTI that scrambles the DCI; or, the first control resource set group includes the control resource set where the DCI is located; or, the first search space index group includes the search space where the DCI is located Index; or, the first search space is the search space where the DCI is located.
  • the at least two upstream channels satisfy at least one of the following conditions: the transport blocks carried by the at least two upstream channels are the same; or, when there are two upstream channels in the at least two upstream channels
  • the domain resources have different starting symbol indexes; or, the time domain length of the time domain resource where the two uplink channels exist in the at least two uplink channels has a different number of symbols; or, the at least two uplink channels
  • the time domain resources where two upstream channels exist are in the same time slot.
  • the terminal device 500 may perform the steps performed by the terminal device in the power control method shown in FIG. 4, which will not be repeated here.
  • the sending module 510 and the receiving module 520 in the embodiments of the present application may be implemented by a transceiver or a related circuit component of the transceiver
  • the processing module 530 may be implemented by a processor or a related circuit component of the processor.
  • FIG. 6 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • the network device 600 at least includes: a sending module 610, a receiving module 620, and a processing module 630; wherein:
  • the processing module 630 is configured to generate first indication information, where the first indication information is used to instruct the terminal device to send at least two uplink channels, where the at least two uplink channels include a first uplink channel and a second uplink channel,
  • the time domain resource where the first uplink channel is located and the time domain resource where the reference signal is located do not overlap in the time domain, and the time domain resource where the second uplink channel is located and the time domain resource where at least one reference signal is located are in the time domain
  • the sending module 610 is configured to send first indication information
  • the receiving module 620 is configured to receive the uplink channel in the first uplink channel set according to at least one reference signal in the second uplink channel in the first uplink channel set.
  • the receiving module 620 is further configured to receive first capability information sent by the terminal device, where the first capability information is used to indicate that the terminal device supports the capability of sending at least two uplink channels; the sending module 610 further It is used to send first configuration information, and the first configuration information is used to configure the terminal device to send at least two uplink channels.
  • the sending module 610 is further used to send second configuration information, where the second configuration information is used to configure the first DCI format and the first wireless network temporary Identify at least one of RNTI, first control resource set group, first search space, or first search space index group;
  • the first DCI format is the DCI format corresponding to the DCI; or, the first RNTI is RNTI that interferes with the DCI; or, the first control resource set group includes the control resource set where the DCI is located; or, the first search space index group includes an index of the search space where the DCI is located; or,
  • the first search space is the search space where the DCI is located.
  • the at least two upstream channels satisfy at least one of the following conditions: the transport blocks carried by the at least two upstream channels are the same; or, when there are two upstream channels in the at least two upstream channels
  • the domain resources have different starting symbol indexes; or, the time domain length of the time domain resource where the two uplink channels exist in the at least two uplink channels has a different number of symbols; or, the at least two uplink channels
  • the time domain resources where two upstream channels exist are in the same time slot.
  • the network device 600 may perform the steps performed by the network device in the power control method shown in FIG. 4, and will not be repeated here. For details, refer to FIG. 4 and related content. It should be understood that the sending module 610 and the receiving module 620 in the embodiments of the present application may be implemented by a transceiver or a related circuit component of the transceiver, and the processing module 630 may be implemented by a processor or a related circuit component of the processor.
  • FIG. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 700 includes a processor 710, a memory 720, and a transceiver 730, which are connected by a bus 740.
  • the memory 720 stores instructions or programs, and the processor 710 is used to execute storage in the memory 720. Instructions or procedures. When the instructions or programs stored in the memory 720 are executed, the processor 710 is used to perform the operations performed by the processing module 530 in the foregoing embodiment, and the transceiver is used to perform the operations performed by the transmitting module 510 and the receiving module 520 in the foregoing embodiment.
  • terminal device 500 or the terminal device 700 in the embodiment of the present application may correspond to the terminal device in the method embodiment provided in the present application, and the operations and/or functions of the various modules in the terminal device 500 or the terminal device 700 In order to implement the corresponding processes of the methods in FIGS. 1 to 4, respectively, for the sake of brevity, they will not be described here.
  • FIG. 8 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • the network device 800 includes a processor 810, a memory 820, and a transceiver 830, which are connected by a bus 840, where the memory 820 stores instructions or programs, and the processor 810 is used to execute the storage in the memory 820 Instructions or procedures.
  • the processor 810 is used to perform the operations performed by the processing module 630 in the foregoing embodiment
  • the transceiver is used to perform the operations performed by the transmitting module 610 and the receiving module 620 in the foregoing embodiment.
  • the network device 600 or the network device 800 in the embodiment of the present application may correspond to the network device in the method embodiment provided in the present application, and the operations and/or functions of each module in the network device 600 or the network device 800 In order to implement the corresponding processes of the methods in FIGS. 1 to 4, respectively, for the sake of brevity, they will not be described here.
  • processors mentioned in the embodiments of the present application may be a central processing unit (central processing unit, CPU), and may also be other general-purpose processors, digital signal processors (DSP), and special-purpose integrated circuits.
  • CPU central processing unit
  • DSP digital signal processors
  • special-purpose integrated circuits application, specific integrated circuit (ASIC), ready-made programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • ASIC application, specific integrated circuit
  • FPGA ready-made programmable gate array
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory mentioned 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 can be read-only memory (read-only memory, ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), electronically Erasable programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (random access memory, RAM), which acts as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • double data rate synchronous dynamic random access memory double data SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • serial link DRAM SLDRAM
  • direct RAMbus RAM direct RAMbus RAM
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component
  • the memory storage module
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server or data center Transmission to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more available medium integrated servers, data centers, and the like.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a storage disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, Solid State Disk (SSD)) or the like.
  • a magnetic medium for example, a floppy disk, a storage disk, a magnetic tape
  • an optical medium for example, a DVD
  • a semiconductor medium for example, Solid State Disk (SSD)

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

Abstract

L'invention concerne un procédé et un appareil de commande de puissance. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit des premières informations d'indication et envoie au moins deux canaux de liaison montante selon les premières informations d'indication, lesdits au moins deux canaux de liaison montante comprenant un premier canal de liaison montante et un second canal de liaison montante, une ressource de domaine temporel dans laquelle le premier canal de liaison montante est situé et une ressource de domaine temporel dans laquelle un signal de référence est situé ne se chevauchent pas dans un domaine temporel, et la ressource de domaine temporel dans laquelle un second canal de liaison montante est situé et une ressource de domaine temporel dans laquelle au moins un signal de référence est situé se chevauchent dans le domaine temporel, lesdits au moins deux canaux de liaison montante comprenant un premier ensemble de canaux de liaison montante, et le premier ensemble de canaux de liaison montante comprend au moins un canal de liaison montante du premier canal de liaison montante et du second canal de liaison montante ; l'acquisition des premières informations de puissance correspondant au premier ensemble de canaux de liaison montante ; et la détermination d'une puissance de transmission d'un canal de liaison montante dans le premier ensemble de canaux de liaison montante. Le procédé mentionné ci-dessus peut améliorer les performances de démodulation du canal de liaison montante et améliorer la fiabilité de transmission de canal de liaison montante.
PCT/CN2019/130980 2019-01-11 2019-12-31 Procédé et appareil de commande de puissance Ceased WO2020143514A1 (fr)

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