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WO2024156107A1 - Procédé de communication sans fil, dispositif terminal et dispositif réseau - Google Patents

Procédé de communication sans fil, dispositif terminal et dispositif réseau Download PDF

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Publication number
WO2024156107A1
WO2024156107A1 PCT/CN2023/073650 CN2023073650W WO2024156107A1 WO 2024156107 A1 WO2024156107 A1 WO 2024156107A1 CN 2023073650 W CN2023073650 W CN 2023073650W WO 2024156107 A1 WO2024156107 A1 WO 2024156107A1
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WO
WIPO (PCT)
Prior art keywords
transmit power
terminal device
srs resource
power
antenna ports
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/073650
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English (en)
Chinese (zh)
Inventor
陈文洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2023/073650 priority Critical patent/WO2024156107A1/fr
Priority to CN202380066979.XA priority patent/CN119856547A/zh
Publication of WO2024156107A1 publication Critical patent/WO2024156107A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present application relate to the field of communications, and specifically to a wireless communication method, terminal equipment, and network equipment.
  • a sounding reference signal (SRS) resource can be transmitted on multiple orthogonal frequency-division multiplexing (OFDM) symbols.
  • SRS sounding reference signal
  • OFDM orthogonal frequency-division multiplexing
  • different antenna ports of an SRS resource can be assigned to different OFDM symbols for transmission. If the maximum transmit powers supported by different antenna ports are different (for example, different antenna ports use different RF devices, resulting in different maximum transmit powers supported), the maximum transmit powers that can actually be used by the terminal device to send SRS resources on different OFDM symbols are also different.
  • the calculated transmit power may be higher than the maximum transmit power that the terminal device can actually support on certain OFDM symbols, resulting in inconsistent transmit power on different OFDM symbols.
  • the SRS power headroom report (Power Headroom Report, PHR) reporting value is calculated based on the maximum output power of the terminal device, the power headroom estimate may be too large, which in turn leads to inaccurate power control parameters configured in the network device and failure to achieve the expected power control effect.
  • the terminal device determines the transmission power of the SRS resource and/or how to report the power margin of the SRS resource so that the network device can perform accurate power control is an issue that needs to be solved urgently.
  • the present application provides a wireless communication method, terminal device and network device, which are conducive to ensuring that the terminal device sends SRS with appropriate power and/or the accuracy of the reported PHR.
  • a method for wireless communication comprising: a terminal device receives sounding reference signal SRS configuration information sent by a network device, the SRS configuration information indicating that the terminal device transmits different antenna ports of an SRS resource respectively on multiple orthogonal frequency division multiplexing OFDM symbols; based on a first transmit power, determines the transmit power on each antenna port of the SRS resource, and/or the reported value of a power margin report PHR corresponding to the SRS resource, wherein the first transmit power is a minimum value of the maximum transmit powers respectively supported by different antenna ports of the SRS resource.
  • a method for wireless communication including: a network device receives target information sent by a terminal device, the target information is used to determine a first transmission power, and/or the terminal device sends a maximum transmission power of a sounding reference signal SRS resource on an orthogonal frequency division multiplexing (OFDM) symbol; wherein the first transmission power is the minimum value of the maximum transmission powers respectively supported by different antenna ports of the SRS resource, and the terminal device transmits different antenna ports of the SRS resource respectively on multiple OFDM symbols.
  • OFDM orthogonal frequency division multiplexing
  • a terminal device for executing the method in the first aspect or its various implementations.
  • the terminal device includes a functional module for executing the method in the above-mentioned first aspect or its various implementation modes.
  • a network device for executing the method in the second aspect or its respective implementation manners.
  • the network device includes a functional module for executing the method in the above-mentioned second aspect or its various implementation modes.
  • a terminal device comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or its implementations.
  • a network device comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or its implementation manners.
  • a chip is provided for implementing the method in any one of the first to second aspects or in each of their implementations.
  • the chip includes: a processor, which is used to call and run a computer program from a memory, so that a device equipped with the device executes a method as described in any one of the first to second aspects or their respective implementations.
  • a computer-readable storage medium for storing a computer program, wherein the computer program enables a computer to execute the method of any one of the first to second aspects or any of their implementations.
  • a computer program product comprising computer program instructions, wherein the computer program instructions enable a computer to execute the method in any one of the first to second aspects or any of their implementations.
  • a computer program which, when executed on a computer, enables the computer to execute the method in any one of the first to second aspects or in each of their implementations.
  • the transmit power on each antenna port of the SRS resource is determined according to the minimum value of the maximum transmit power supported by different antenna ports of the SRS resource, which is conducive to avoiding the problem that the transmit power on the determined antenna port is higher than the maximum transmit power supported by the antenna on the antenna port, resulting in the terminal device being unable to use the transmit power to transmit the antenna port of the SRS resource.
  • Determining the PHR corresponding to the SRS resource according to the minimum value of the maximum transmission powers supported by different antenna ports of the SRS resource is conducive to ensuring the accuracy of the reported PHR, so that the network device can determine reasonable power control parameters according to the PHR, thereby achieving accurate power control.
  • FIG1 is a schematic diagram of a communication system architecture provided in an embodiment of the present application.
  • FIG2 is a schematic interaction diagram of a wireless communication method provided according to an embodiment of the present application.
  • FIG3 is a schematic diagram of an SRS configuration according to an embodiment of the present application.
  • FIG4 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • FIG5 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • FIG6 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • FIG8 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • NR New Radio
  • LTE-based access to unlicensed spectrum (LTE-U) systems LTE-based access to unlicensed spectrum (LTE-U) systems
  • NR-based access to unlicensed spectrum (NR-U) systems NTN-based access to unlicensed spectrum (NR-U) systems
  • NTN non-terrestrial communication networks
  • UMTS universal mobile telecommunication systems
  • WLAN wireless local area networks
  • WiFi wireless fidelity
  • 5G fifth-generation communication
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V vehicle to vehicle
  • V2X vehicle to everything
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (CA) scenario, a dual connectivity (DC) scenario, or a standalone (SA) networking scenario.
  • CA carrier aggregation
  • DC dual connectivity
  • SA standalone
  • the communication system in the embodiment of the present application can be applied to an unlicensed spectrum, wherein the unlicensed spectrum can also be considered as a shared spectrum; or, the communication system in the embodiment of the present application can also be applied to an authorized spectrum, wherein the authorized spectrum can also be considered as an unshared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
  • UE user equipment
  • the terminal device can be a station (STA) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in the next generation communication system such as the NR network, or a terminal device in the future evolved Public Land Mobile Network (PLMN) network, etc.
  • STA station
  • WLAN Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoors or outdoors, handheld, wearable or vehicle-mounted; it can also be deployed on the water surface (such as ships, etc.); it can also be deployed in the air (for example, on airplanes, balloons and satellites, etc.).
  • the terminal device may be a mobile phone, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical, a wireless terminal device in smart grid, a transportation safety (Transportation safety), wireless terminal devices in smart cities, or wireless terminal devices in smart homes, etc.
  • VR virtual reality
  • AR augmented reality
  • a wireless terminal device in industrial control a wireless terminal device in self-driving
  • a wireless terminal device in remote medical a wireless terminal device in smart grid
  • Transport safety Transportation safety
  • the terminal device may also be a wearable device.
  • Wearable devices may also be referred to as wearable smart devices, which are a general term for wearable devices that are intelligently designed and developed using wearable technology for daily wear, such as glasses, gloves, watches, clothing, and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothes or accessories. Wearable devices are not only hardware devices, but also powerful functions achieved through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, and fully or partially independent of smartphones, such as smart watches or smart glasses, as well as devices that only focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various types of smart bracelets and smart jewelry for vital sign monitoring.
  • the network device may be a device for communicating with a mobile device.
  • the network device may be an access point (AP) in WLAN, a base station (BTS) in GSM or CDMA, a base station (NodeB, NB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and a network device (gNB) in an NR network, or a network device in a future evolved PLMN network, or a network device in an NTN network, etc.
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a high elliptical orbit (HEO) satellite, etc.
  • the network device may also be a base station set up in a location such as land or water.
  • a network device can provide services for a cell, and a terminal device communicates with the network device through transmission resources used by the cell (for example, frequency domain resources, or spectrum resources).
  • the cell can be a cell corresponding to a network device (for example, a base station), and the cell can belong to a macro base station or a base station corresponding to a small cell.
  • the small cells here may include: metro cells, micro cells, pico cells, femto cells, 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 communication system 100 may include a network device 110, which may be a device that communicates with a terminal device 120 (or referred to as a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area and may communicate with terminal devices located in the coverage area.
  • FIG1 exemplarily shows a network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include another number of terminal devices within its coverage area, which is not limited in the embodiments of the present application.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • the device with communication function in the network/system in the embodiment of the present application can be called a communication device.
  • the communication device may include a network device 110 and a terminal device 120 with communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here; the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobile management entity, which is not limited in the embodiment of the present application.
  • the "indication" mentioned in the embodiments of the present application can be a direct indication, an indirect indication, or an indication of an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association relationship between A and B.
  • corresponding may indicate a direct or indirect correspondence between two items, or an association relationship between the two items, or a relationship of indication and being indicated, configuration and being configured, etc.
  • pre-definition can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a terminal device and a network device), and the present application does not limit the specific implementation method.
  • pre-definition can refer to what is defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.
  • SRS sounding reference signal
  • SRS is an important reference signal in the NR system and can realize various functions in the NR system, such as:
  • the network device can configure one or more SRS resource sets (SRS Resource set) for a UE.
  • SRS Resource set can be configured with one or more SRS resources (SRS resource).
  • SRS resource supports transmission of up to 4 antenna ports.
  • an SRS resource can be transmitted on multiple orthogonal frequency-division multiplexing (OFDM) symbols, for example, on the last N OFDM symbols of a time slot.
  • the terminal device transmits all antenna ports of the SRS resource on each OFDM symbol, but the resources used by the antenna ports transmitted on different OFDM symbols can be different.
  • the SRS transmitted on different OFDM symbols can have different transmission modes, that is, the SRS transmitted on multiple OFDM symbols can have different uses. For example, when the network device side requires a broadband SRS, the terminal device can be configured to perform frequency hopping on multiple OFDM symbols.
  • the terminal device can use the same transmit beam to transmit the SRS on multiple OFDM symbols, and the network device side can use different receive beams to receive the SRS on different OFDM symbols, thereby determining the best receiving beam.
  • a terminal device with 8 antenna ports is introduced.
  • the terminal device needs to send SRS resources of 8 antenna ports.
  • the 8 antenna ports can be transmitted on the same OFDM symbol, for example, using frequency division multiplexing (FDM) or code division multiplexing (CDM); or they can be transmitted on different OFDM symbols, that is, using TDM multiplexing.
  • the network device can allocate 2 OFDM symbols for one SRS resource, and transmit 4 antenna ports of the SRS resource on each OFDM symbol, thereby supporting SRS transmission of 8 antenna ports.
  • the uplink SRS power control related to the present application is described.
  • the transmit power of SRS can be calculated according to the following formula:
  • PCMAX,f,c (i) is the maximum transmission power supported by the terminal device, i is the index of an SRS transmission, qs represents an SRS resource set, the target power P O_SRS,b,f,c ( qs ) and the path loss factor ⁇ SRS,b,f,c ( qs ) are the open-loop power control parameters corresponding to the SRS resource set qs ;
  • qd is the index of the reference signal used for path loss measurement, which is used to obtain the path loss value PL b,f,c ( qd ), and is also an open-loop power control parameter;
  • hb ,f,c (i,l) is the closed-loop power control adjustment state, where l is the index of the closed-loop power control adjustment state, and the indexes of different closed-loop power control adjustment states correspond to independent closed-loop power control adjustment states.
  • the target power P O_SRS,b,f,c ( qs ), the path loss factor ⁇ SRS,b,f,c ( qs ) and qd are included in the configuration parameters of the SRS resource set, and are configured to the terminal device through high-level signaling.
  • h b,f,c (i,l) can reuse the closed-loop power control adjustment state of the Physical Uplink Shared Channel (PUSCH), or use an independent closed-loop power control adjustment state, depending on the Radio Resource Control (RRC) configuration.
  • RRC Radio Resource Control
  • the NR system In order to enable network equipment to accurately configure the power control parameters of terminal equipment, the NR system also supports terminal equipment to report power headroom reports (PHR), that is, terminal equipment can report its own transmit power headroom to network equipment.
  • PHR power headroom reports
  • the 8 antenna ports of the SRS resource are allocated to different OFDM symbols for transmission, and the maximum transmit powers supported by different antenna ports are different (for example, different antenna ports use different RF devices resulting in different maximum transmit powers supported), then the maximum transmit powers actually used by the terminal device to send SRS resources on different OFDM symbols are also different.
  • each of the 8 antenna ports of the SRS resource corresponds to an RF power amplifier (such as PA)
  • the maximum transmit powers supported by these 8 antenna ports can have multiple possibilities, such as the maximum transmit power supported by each antenna port is 23dBm, 20dBm, or 17dBm, or the maximum transmit power supported by some antenna ports is 14dBm, and the maximum transmit power supported by other antenna ports is 23dBm, or the maximum transmit power supported by some antenna ports is 14dBm, and the maximum transmit power supported by other antenna ports is 20dBm, etc.
  • the calculated transmit power may be higher than the actual transmit power that the terminal device can support on some OFDM symbols.
  • the maximum transmit power for example, the sum of the maximum powers supported by the two antenna ports transmitting in the OFDM symbol may be only 17dBm), resulting in inconsistent transmit power on different OFDM symbols.
  • the power margin estimation may be too large, which in turn leads to inaccurate power control parameters (such as the transmission power control (TPC) adjustment value) configured by the network device, and the expected power control effect cannot be achieved.
  • FIG. 2 is a schematic flow chart of a method 200 for wireless communication according to an embodiment of the present application.
  • the method 200 may be executed by a terminal device in the communication system shown in FIG. 1 .
  • the method 200 includes the following contents:
  • the terminal device receives sounding reference signal SRS configuration information sent by the network device, where the SRS configuration information indicates that the terminal device transmits different antenna ports of an SRS resource respectively on multiple orthogonal frequency division multiplexing OFDM symbols;
  • the S220 based on the first transmit power, determine the transmit power on each antenna port of the SRS resource, and/or the reported value of the power margin report PHR corresponding to the SRS resource, wherein the first transmit power is the minimum value of the maximum transmit powers supported by different antenna ports of the SRS resource.
  • the SRS transmission resource may also be expressed as the SRS transmission
  • the antenna port for transmitting the SRS resource may also be expressed as the SRS transmission antenna port.
  • the terminal device supports X antenna ports. In order to support the transmission of X antenna ports, the terminal device needs to send SRS resources of X antenna ports on different OFDM symbols.
  • the present application does not limit the use of the SRS resource.
  • the SRS resource is an SRS resource for uplink transmission based on a codebook, or the SRS resource is an SRS resource for uplink antenna switching.
  • the SRS configuration information is used to indicate the configuration used for SRS transmission, such as physical resources, sequence, beam, usage, etc.
  • the network device can configure multiple OFDM symbols for the SRS resource and instruct the terminal device to transmit different antenna ports of the SRS resource on different OFDM symbols.
  • the network device may configure 2 OFDM symbols for an SRS resource with 8 antenna ports, and transmit 4 antenna ports of the SRS resource on each OFDM symbol, as shown in FIG3 .
  • the network device may configure 4 OFDM symbols for an SRS resource with 8 antenna ports, and transmit 2 antenna ports of the SRS resource on each OFDM symbol.
  • the transmission power of the SRS resources on different antenna ports is the same, which is beneficial to ensure the performance of uplink transmission.
  • the maximum transmit powers respectively supported by different antenna ports of the SRS resource can also be described as:
  • the maximum transmission powers respectively supported by antennas of different antenna ports used to transmit the SRS resources are respectively supported by antennas of different antenna ports used to transmit the SRS resources.
  • each of the eight antenna ports of an SRS resource corresponds to an RF power amplifier (e.g., PA) of an antenna.
  • PA RF power amplifier
  • the maximum transmit power that can be used by the antenna port of the terminal device to send SRS resources on an OFDM symbol is limited by the maximum transmit power supported by the antennas transmitting these antenna ports, considering the first transmit power when determining the transmit power on each antenna port of the SRS resource is helpful in avoiding the problem that the transmit power on the determined antenna port is higher than the maximum transmit power supported by the antenna on the antenna port, resulting in the terminal device being unable to use the antenna port to send SRS using this transmit power.
  • Embodiment 2 In combination with Embodiment 1 and Embodiment 2, the following describes a method for determining the transmit power on each antenna port of the SRS resource.
  • determining the transmit power on each antenna port of the SRS resource according to the first transmit power includes:
  • the expected transmission power is determined according to the second transmission power and the number of antenna ports of the SRS resource transmitted by the terminal device on an OFDM symbol, and the second transmission power is the transmission power calculated by the terminal device according to the power control parameters configured by the network device.
  • the transmit power on each antenna port of the SRS resource can be determined according to the following formula:
  • Pn ,tx represents the transmission power on each antenna port of the SRS resource
  • Pn represents the expected transmission power
  • Pmin ,tx represents the first transmission power
  • the desired transmit power on each antenna port is the same.
  • the second transmit power is evenly distributed to all antenna ports of the SRS resource on an OFDM symbol to obtain the expected transmit power on each antenna port.
  • the expected transmit power can be understood as the transmit power at the antenna port granularity determined according to the power control parameters configured by the network device.
  • the transmit power on the antenna port is determined based on the minimum value of the transmit power at the antenna port granularity determined according to the power control parameters configured by the network device and the maximum transmit power supported by the antenna port, which is conducive to ensuring that the determined transmit power is achievable (or executable) by the terminal device.
  • the power is represented by a linear value, and the expected transmit power on each antenna port is equal to the second transmit power divided by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • Pn PSRS / NS , wherein Pn represents the expected transmission power (expressed by a linear value), PSRS represents the second transmission power (expressed by a linear value), and NS represents the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the power is expressed in dB, and the expected transmit power on each antenna port is equal to the second transmit power minus the dB value corresponding to the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol (ie, 10log10(N S )).
  • Pn PSRS -10log10( Ns ), wherein Pn represents the expected transmission power (expressed by dB value), PSRS represents the second transmission power (expressed by dB value), and Ns represents the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the second transmit power may be calculated according to the power control parameter configured by the network device and a pre-agreed transmit power calculation formula.
  • the dB value of the second transmit power may be calculated according to the following formula:
  • the linear value of power and the dB value of power can be converted into each other.
  • the association relationship expressed by the linear value of power given in the embodiments of the present application can also be converted to be expressed by the dB value of power, and the association relationship expressed by the dB value can also be converted to be expressed by the linear value.
  • the association relationship under each expression method will not be described one by one here.
  • determining the transmit power on each antenna port of the SRS resource according to the first transmit power includes:
  • the third transmit power is the smaller value of the fourth transmit power and the second transmit power
  • the second transmit power is the transmit power calculated by the terminal device according to the power control parameters configured by the network device
  • the fourth transmit power is the total maximum transmit power supported by all antenna ports on an OFDM symbol while ensuring that the transmit power on all antenna ports of an SRS resource is the same.
  • the fourth transmit power is equal to the first transmit power (represented by a linear value) multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • PN,MIN represents the fourth transmission power (expressed by a linear value)
  • Pmin ,tx represents the first transmission power (expressed by a linear value)
  • NS represents the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the fourth transmit power is equal to the dB value of the first transmit power plus the dB value corresponding to the number of antenna ports of the SRS resource transmitted by the terminal device on an OFDM symbol (ie, 10log10(Ns)).
  • PN,MIN Pmin ,tx + 10log10(Ns)dBm
  • PN,MIN represents the fourth transmission power (expressed by dB value)
  • Pmin ,tx represents the first transmission power (expressed by dB value)
  • NS represents the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the third transmit power is evenly distributed to all antenna ports of the SRS resource on an OFDM symbol to obtain the transmit power on each antenna port of the SRS resource.
  • the transmit power on each antenna port is equal to the third transmit power divided by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • Pn ,tx P3 / Ns .
  • P3 min( PN,MIN , PSRS )
  • Pn ,tx min(PN ,MIN , PSRS )/ Ns .
  • P3 represents the third transmission power (expressed by a linear value)
  • PN,MIN represents the fourth transmission power (expressed by a linear value)
  • PSRS represents the second transmission power (expressed by a linear value)
  • NS represents the number of antenna ports of the SRS resources transmitted by the terminal device on an OFDM symbol.
  • the transmit power on each antenna port is equal to the third transmit power minus the dB value corresponding to the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol (ie, 10log10(N S )).
  • Pn ,tx P3-10log10 ( NS )
  • P3 min(PN ,MIN , PSRS )
  • Pn ,tx min(PN ,MIN , PSRS )-10log10( NS )dBm
  • Pn ,tx represents the transmission power on each antenna port (expressed by dB value)
  • P3 represents the third transmission power (expressed by dB value)
  • PN,MIN represents the fourth transmission power (expressed by dB value)
  • PSRS represents the second transmission power (expressed by dB value)
  • N S is the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the second transmit power may be calculated according to the power control parameter configured by the network device and a pre-agreed transmit power calculation formula.
  • the dB value of the second transmit power may be calculated according to the following formula:
  • the method 200 further includes:
  • the terminal device transmits the SRS resource according to the transmit power on each antenna port.
  • determining the PHR corresponding to the SRS resources based on the first transmission power is conducive to ensuring the accuracy of the reported PHR, so that the network equipment can determine reasonable power control parameters based on the PHR, thereby achieving accurate power control.
  • the reported value of the PHR corresponding to the SRS resource is the reported value of the PHR of the SRS resource set where the SRS resource is located.
  • the reported value of the PHR is equal to the difference between the fifth transmit power and the third transmit power.
  • the fifth transmit power is the maximum output power of the terminal device
  • the third transmit power is the smaller value of the fourth transmit power and the second transmit power
  • the second transmit power is the transmit power calculated by the terminal device according to the power control parameters configured by the network device
  • the fourth transmit power is equal to the first transmit power (linear value) multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol (the power is expressed in a linear value).
  • the fourth transmit power is equal to the first transmit power (linear value) multiplied by the number of antenna ports of the SRS resources transmitted by the terminal device on one OFDM symbol, which can be replaced by: the fourth transmit power is equal to the first transmit power plus the dB value corresponding to the number of antenna ports of the SRS resources transmitted by the terminal device on one OFDM symbol.
  • the maximum output power of the terminal device can also be expressed as the maximum output power configured for the terminal device, for example, the maximum output power configured by the upper layer of the terminal device for the physical layer can be represented by PCMAX,f,c (i).
  • the reported value of the PHR corresponding to the SRS may be determined according to the following formula:
  • P5 represents the fifth transmission power
  • P3 represents the third transmission power
  • PCMAX,f,c (i) represents the maximum output power of the terminal device
  • PSRS represents the second transmission power
  • PN,MIN represents the fourth transmission power
  • Pmin ,tx represents the first transmission power
  • NS represents the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the second transmit power PSRS may be the smaller value of the maximum output power of the terminal device (i.e., PCMAX,f,c (i)) and the power calculated by the terminal device according to the power control parameter configured by the network device. For example, when the power is expressed in dB, the second transmit power may be determined according to the following formula:
  • the second transmit power PSRS may be a power calculated according to a power control parameter configured by the network device. For example, when the power is expressed in dB, the second transmit power may be determined according to the following formula:
  • P SRS P O_SRS,b,f,c (q s )+10log 10 (2 ⁇ ⁇ M SRS,b,f,c (i))+ ⁇ SRS,b,f,c (q s ) ⁇ PL b ,f,c (q d )+h b,f,c (i,l)(dBm)
  • the second transmit power PSRS may be the power calculated by the terminal device according to the reference power control parameter. For example, when the power is expressed in dB, the second transmit power may be determined according to the following formula:
  • the reported value of the PHR is equal to the difference between the fourth transmit power and the sixth transmit power.
  • the fourth transmit power is equal to the first transmit power (linear value) multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol;
  • the fourth transmit power is equal to the first transmit power (dB value) plus the dB value corresponding to the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the sixth transmit power is equal to the transmit power (linear value) on each antenna port of the SRS resource multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the sixth transmit power is equal to the transmit power (dB value) on each antenna port of the SRS resource plus the dB value corresponding to the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the fourth transmit power can be understood as the total maximum transmit power that can be supported by all antenna ports on an OFDM symbol while ensuring that the transmit powers of all antenna ports of an SRS resource are the same, that is, the maximum transmit power that can be achieved by the terminal device on an OFDM symbol.
  • the sixth transmit power is the transmit power actually used by the antenna port of the terminal device to transmit on an OFDM symbol.
  • the reported value of the PHR is determined based on the fourth transmit power and the sixth transmit power, which can ensure the accuracy of the PHR reported by the terminal device, so that the network device can perform accurate uplink power control based on the PHR.
  • the reported value of the PHR is also equal to the difference between the first transmit power and the transmit power on each antenna port of the SRS resource. It is assumed here that the transmit power on different antenna ports of the SRS resource is the same.
  • the reported value of the PHR may be determined according to the following formula:
  • P N,MIN represents the fourth transmission power
  • P 6 represents the sixth transmission power
  • P min,tx represents the first transmission power
  • P n,tx represents the SRS The transmit power on each antenna port of the resource
  • N S represents the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the reported value of the PHR is equal to a difference between the fourth transmit power and the second transmit power.
  • the fourth transmit power is equal to the first transmit power (linear value) multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol;
  • the fourth transmit power is equal to the first transmit power (dB value) plus the dB value corresponding to the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the second transmission power is a transmission power calculated by the terminal device according to the power control parameter configured by the network device.
  • the specific calculation method refers to the relevant description in the above embodiments, and will not be repeated here for the sake of brevity.
  • the reported value of the PHR may be determined according to the following formula:
  • PN,MIN represents the fourth transmission power
  • PSRS represents the second transmission power
  • Pmin ,tx represents the first transmission power
  • NS represents the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • Embodiment 6 is a diagrammatic representation of Embodiment 6
  • the reported value of the PHR is equal to a difference between the fourth transmit power and the seventh transmit power
  • the seventh transmit power is a smaller value between the fourth transmit power and the second transmit power
  • the second transmit power is a transmit power calculated by the terminal device according to the power control parameters configured by the network device.
  • the fourth transmit power is equal to the first transmit power (linear value) multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol;
  • the fourth transmit power is equal to the first transmit power (dB value) plus the dB value corresponding to the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the reported value of the PHR may be determined according to the following formula:
  • PN,MIN represents the fourth transmission power
  • P7 represents the seventh transmission power
  • Pmin ,tx represents the first transmission power
  • NS represents the number of antenna ports of the SRS resources transmitted by the terminal device on an OFDM symbol
  • PSRS represents the second transmission power.
  • the method 200 further includes:
  • the terminal device reports first information to the network device, where the first information is used to determine the maximum transmission power supported by at least one antenna port of the SRS resource.
  • the terminal device may report the first information to the network device.
  • the maximum transmit power supported by at least one antenna port of the SRS resource can also be described as:
  • the maximum transmission power supported by the antenna of at least one antenna port used to transmit the SRS resource is the maximum transmission power supported by the antenna of at least one antenna port used to transmit the SRS resource.
  • the at least one antenna port may include some antenna ports of the SRS resources, or may also include all antenna ports of the SRS resources.
  • the first information includes a difference between a maximum transmit power supported by each antenna port of the SRS resource and a maximum output power of the terminal device.
  • the first information may include multiple differences, each difference corresponding to an antenna port, and the difference is the difference between the maximum transmit power supported by the corresponding antenna and the maximum output power PCMAX,f,c (i) of the terminal device.
  • the network device determines the maximum transmit powers supported by the multiple antenna ports respectively based on PCMAX,f,c (i) and the multiple differences, and further determines the minimum value of the maximum transmit powers supported by the multiple antenna ports, that is, the first transmit power.
  • the maximum output power of the terminal device is expressed as PCMAX,f,c (i), and the difference can be expressed as PN,MAX - PCMAX,f,c (i) or PCMAX,f,c (i)-PN ,MAX , where PN,MAX represents the maximum transmit power supported by the Nth antenna port.
  • the difference can range from ⁇ 0,-3,-6,-9 ⁇ dB or ⁇ 0,3,6,9 ⁇ dB, and the difference between the maximum transmit power supported by each antenna port and the maximum output power of the terminal device can be reported by 2 bits of information.
  • the first information includes a minimum value of maximum transmit powers respectively supported by different antenna ports of the SRS resource. That is, the first information may include the first transmit power.
  • the minimum value may range from ⁇ 14, 17, 20, 23 ⁇ dBm. Then the first transmission power may be determined by 2 bits of information. Report.
  • the first information includes the difference between the minimum value of the maximum transmission power supported by different antenna ports of the SRS resource and the maximum output power of the terminal device. That is, the first information may include the difference between the first transmission power and the maximum output power of the terminal device.
  • the maximum output power of the terminal device is expressed as PCMAX,f,c (i), and the difference can be expressed as Pmin,tx - PCMAX,f,c (i) or PCMAX,f,c (i)-Pmin ,tx , where Pmin ,tx represents the minimum value.
  • the value range of the difference can be ⁇ 0,-3,-6,-9 ⁇ dB or ⁇ 0,3,6,9 ⁇ dB, and the difference between the minimum value and the maximum output power of the terminal device can be reported by 2 bits of information.
  • the network device determines the minimum value Pmin ,tx , that is, the first transmit power, based on PCMAX,f,c (i) and the difference.
  • the method 200 further includes:
  • the terminal device reports second information to the network device, and the second information is used to determine a fourth transmission power.
  • the expression of the fourth transmission power refers to the relevant description of the above embodiment, and is not repeated here for brevity.
  • the second information is the difference between a fourth transmission power and a maximum output power of the terminal device.
  • the terminal device may report the second information to the network device.
  • the maximum output power of the terminal device is expressed as PCMAX,f,c (i)
  • the value range of the difference can be ⁇ 3,0,-3,-6 ⁇ dB or ⁇ -3,0,3,6 ⁇ dB, then the difference can be reported by 2 bits of information.
  • the network device determines the transmit power difference between SRS and PUSCH based on the difference, thereby correctly estimating the channel quality indicator (Channel Quantity Indicator, CQI).
  • the method 200 further includes:
  • the terminal device reports the PHR to the network device.
  • determining the transmission power on each antenna port of the SRS resource based on the first transmission power is conducive to avoiding the problem that the transmission power on the determined antenna port is higher than the maximum transmission power supported by the antenna on the antenna port, resulting in the terminal device being unable to use the antenna port to send SRS using the transmission power.
  • determining the PHR corresponding to the SRS resource based on the first transmission power is conducive to ensuring the accuracy of the reported PHR, so that the network device can determine reasonable power control parameters based on the PHR, thereby achieving accurate power control.
  • Fig. 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • the communication unit 410 is configured to receive sounding reference signal SRS configuration information sent by a network device, wherein the SRS configuration information indicates different antenna ports of the terminal device to transmit an SRS resource respectively on multiple orthogonal frequency division multiplexing OFDM symbols;
  • the processing unit 420 is used to determine the transmission power on each antenna port of the SRS resource and/or the reporting value of the power margin report PHR corresponding to the SRS resource based on the first transmission power, wherein the first transmission power is the minimum value of the maximum transmission powers supported by different antenna ports of the SRS resource.
  • processing unit 420 is further configured to:
  • the expected transmission power is determined according to the second transmission power and the number of antenna ports of the SRS resource transmitted by the terminal device on an OFDM symbol, and the second transmission power is the transmission power calculated by the terminal device according to the power control parameters configured by the network device.
  • the expected transmit power on each antenna port is obtained by evenly distributing the second transmit power to all antenna ports of the SRS resource on one OFDM symbol.
  • processing unit 420 is further configured to:
  • the third transmission power is the smaller value of the fourth transmission power and the second transmission power, and the fourth transmission power is equal to the The linear value of the first transmission power is multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on an OFDM symbol, and the second transmission power is the transmission power calculated by the terminal device according to the power control parameters configured by the network device.
  • the transmit power on each antenna port of the SRS resource is obtained by evenly distributing the third transmit power to all antenna ports of the SRS resource on one OFDM symbol.
  • the reported value of the PHR is equal to the difference between a fifth transmit power and a third transmit power, wherein the fifth transmit power is the maximum output power of the terminal device, and the third transmit power is the smaller value of a fourth transmit power and a second transmit power, wherein the fourth transmit power is equal to the linear value of the first transmit power multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol, and the second transmit power is the transmit power calculated by the terminal device according to the power control parameters configured by the network device.
  • the reported value of the PHR is equal to the difference between the fourth transmit power and the sixth transmit power
  • the fourth transmit power is equal to the linear value of the first transmit power multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol;
  • the sixth transmission power is equal to the linear value of the transmission power on each antenna port of the SRS resource multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the reported value of the PHR is equal to the difference between the fourth transmit power and the second transmit power
  • the fourth transmit power is equal to the linear value of the first transmit power multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol;
  • the second transmission power is the transmission power calculated by the terminal device according to the power control parameters configured by the network device.
  • the reported value of the PHR is equal to the difference between the fourth transmit power and the seventh transmit power
  • the fourth transmit power is equal to the linear value of the first transmit power multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol;
  • the seventh transmission power is a smaller value between the fourth transmission power and the second transmission power
  • the second transmission power is a transmission power calculated by the terminal device according to the power control parameters configured by the network device.
  • the communication unit 410 is further configured to:
  • the first information includes a difference between a maximum transmission power supported by each antenna port of the SRS resource and a maximum output power of the terminal device; or,
  • the first information includes a minimum value of maximum transmit powers respectively supported by different antenna ports of the SRS resource; or,
  • the first information includes the difference between the minimum value of the maximum transmission powers respectively supported by different antenna ports of the SRS resource and the maximum output power of the terminal device.
  • the communication unit 410 is further configured to:
  • the fourth transmit power is equal to the linear value of the first transmit power multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the SRS resource is an SRS resource used for codebook-based uplink transmission, or the SRS resource is an SRS resource used for uplink antenna switching.
  • the communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system on chip.
  • the processing unit may be one or more processors.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are respectively for realizing the corresponding processes of the terminal device in the method 200 shown in Figures 2 to 3, which will not be repeated here for the sake of brevity.
  • FIG5 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 500 of FIG5 includes:
  • the communication unit 510 is configured to receive target information sent by a terminal device, where the target information is used to determine a first transmit power and/or a maximum transmit power of a sounding reference signal SRS resource sent by the terminal device on an orthogonal frequency division multiplexing OFDM symbol;
  • the first transmission power is the minimum value of the maximum transmission powers respectively supported by different antenna ports of the SRS resource, and the terminal device transmits the different antenna ports of the SRS resource respectively on multiple OFDM symbols.
  • the target information includes first information, and the first information is used to determine the first transmit power
  • the first information includes a difference between a maximum transmission power supported by each antenna port of the SRS resource and a maximum output power of the terminal device;
  • the first information includes a minimum value of maximum transmit powers respectively supported by different antenna ports of the SRS resource; or,
  • the first information includes the difference between the minimum value of the maximum transmission powers respectively supported by different antenna ports of the SRS resource and the maximum output power of the terminal device.
  • the target information includes second information, wherein the second information is used to indicate the difference between a fourth transmit power and the maximum output power of the terminal device, the fourth transmit power being equal to the linear value of the first transmit power multiplied by the number of antenna ports of the SRS resource transmitted by the terminal device on one OFDM symbol.
  • the SRS resource is an SRS resource used for codebook-based uplink transmission, or the SRS resource is an SRS resource used for uplink antenna switching.
  • the communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system on chip.
  • the processing unit may be one or more processors.
  • the network device 500 may correspond to the network device in the embodiment of the method of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are respectively for implementing the corresponding processes of the network device in the method 200 shown in Figures 3 to 3. For the sake of brevity, they will not be repeated here.
  • Fig. 6 is a schematic structural diagram of a communication device 600 provided in an embodiment of the present application.
  • the communication device 600 shown in Fig. 6 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated into the processor 610 .
  • the communication device 600 may further include a transceiver 630 , and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive information or data sent by other devices.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of the antennas may be one or more.
  • the communication device 600 may specifically be a network device of an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which will not be described in detail here for the sake of brevity.
  • the communication device 600 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, which will not be described in detail here for the sake of brevity.
  • Fig. 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in Fig. 7 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method according to the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
  • the chip 700 may further include an input interface 730.
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 may control the output interface 740 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity, they will not be repeated here.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they will not be repeated here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • FIG8 is a schematic block diagram of a communication system 900 provided in an embodiment of the present application.
  • the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method. For the sake of brevity, they will not be repeated here.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method embodiment can be completed by the hardware integrated logic circuit in the processor or the instructions in the form of software.
  • the above processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the various methods, steps and logic block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor can be a microprocessor or the processor can also be any conventional processor, etc.
  • the steps of the method disclosed in the embodiment of the present application can be directly embodied as a hardware decoding processor for execution, or can be executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a random access memory, a flash memory, a read-only memory, Programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories.
  • the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory.
  • the volatile memory can be a random access memory (RAM), which is used as an external cache.
  • RAM Direct Rambus RAM
  • SRAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced SDRAM
  • SLDRAM Synchlink DRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
  • An embodiment of the present application also provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program runs on a computer, the computer executes the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not described here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application.
  • the computer program runs on the computer, the computer executes the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art.
  • the computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store program codes.

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Abstract

La présente invention concerne un procédé de communication sans fil, un dispositif terminal et un dispositif réseau. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit des informations de configuration de signal de référence de sondage (SRS) envoyées par un dispositif de réseau, les informations de configuration de SRS ordonnant au dispositif terminal de transmettre respectivement différents ports d'antenne d'une ressource SRS sur une pluralité de symboles de multiplexage par répartition orthogonale de la fréquence (OFDM) ; et selon une première puissance d'envoi, déterminer une puissance d'envoi sur chaque port d'antenne de la ressource SRS, et/ou une valeur de rapport d'un rapport de marge de puissance (PHR) correspondant à la ressource SRS, la première puissance d'envoi étant la valeur minimale dans les puissances d'envoi maximales respectivement prises en charge par les différents ports d'antenne de la ressource SRS.
PCT/CN2023/073650 2023-01-29 2023-01-29 Procédé de communication sans fil, dispositif terminal et dispositif réseau Ceased WO2024156107A1 (fr)

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CN109565757A (zh) * 2018-08-18 2019-04-02 Oppo广东移动通信有限公司 一种功率控制方法及装置、终端
CN115580327A (zh) * 2018-09-27 2023-01-06 华为技术有限公司 传输数据的方法和装置
CN111294818A (zh) * 2018-12-06 2020-06-16 中国移动通信集团陕西有限公司 一种信道质量估计方法、终端设备及网络设备

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