WO2023065158A1 - Procédé de communication sans fil, dispositif terminal et dispositif de réseau - Google Patents

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

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Publication number
WO2023065158A1
WO2023065158A1 PCT/CN2021/125025 CN2021125025W WO2023065158A1 WO 2023065158 A1 WO2023065158 A1 WO 2023065158A1 CN 2021125025 W CN2021125025 W CN 2021125025W WO 2023065158 A1 WO2023065158 A1 WO 2023065158A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
information
configuration information
indicate
devices
Prior art date
Application number
PCT/CN2021/125025
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English (en)
Chinese (zh)
Inventor
邢金强
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2021/125025 priority Critical patent/WO2023065158A1/fr
Priority to CN202180100448.9A priority patent/CN117643111A/zh
Publication of WO2023065158A1 publication Critical patent/WO2023065158A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink

Definitions

  • the present application relates to the field of communication technologies, and more specifically, to a wireless communication method, terminal equipment, and network equipment.
  • the terminal device will report the power level corresponding to the maximum power capability of the terminal device to the network device. However, the terminal device does not send the number of transmission channels used by the terminal device to reach the power level to the network device.
  • the network equipment Since the number of transmission channels used by the terminal equipment is unknown to the network equipment, the network equipment cannot determine which transmission index requirements the terminal equipment should meet, and cannot accurately schedule the terminal equipment, making it difficult to guarantee the transmission of the terminal equipment. performance.
  • the present application provides a wireless communication method, terminal equipment, and network equipment, so that the network equipment can determine the emission index requirements that the terminal equipment should meet, thereby ensuring the transmission performance of the terminal equipment.
  • a wireless communication method including: a terminal device sends first information to a network device, and the first information is used to indicate at least one of the following parameters: a first device used by the terminal device quantity; configuration information of the first device used by the terminal device; or a transmission index that the terminal device can meet; wherein, the first device includes one or more of a transmission channel, a transmission antenna, and a power amplifier .
  • a wireless communication method including: a network device receiving first information sent by a terminal device, the first information being used to indicate at least one of the following parameters: the first device used by the terminal device quantity; configuration information of the first device used by the terminal device; or a transmission index that the terminal device can meet; wherein, the first device includes one or more of a transmission channel, a transmission antenna, and a power amplifier .
  • a terminal device including: a sending module, configured to send first information to a network device, where the first information is used to indicate at least one of the following parameters: the first device used by the terminal device quantity; configuration information of the first device used by the terminal device; or a transmission index that the terminal device can meet; wherein, the first device includes one or more of a transmission channel, a transmission antenna, and a power amplifier .
  • a network device including: a receiving module, configured to receive first information sent by a terminal device, where the first information is used to indicate at least one of the following parameters: the first information used by the terminal device The number of devices; the configuration information of the first device used by the terminal device; or the emission index that the terminal device can meet; wherein, the first device includes one or more of a transmission channel, a transmission antenna, and a power amplifier kind.
  • a terminal device including a memory and a processor, the memory is used to store a program, and the processor is used to invoke the program in the memory to execute the method according to the first aspect.
  • a network device including a memory and a processor, the memory is used to store a program, and the processor is used to invoke the program in the memory to execute the method described in the second aspect.
  • an apparatus including a processor, configured to call a program from a memory to execute the method described in the first aspect.
  • an apparatus including a processor, configured to call a program from a memory to execute the method described in the second aspect.
  • a ninth aspect provides a chip, including a processor, configured to call a program from a memory, so that a device installed with the chip executes the method described in the first aspect.
  • a chip including a processor, configured to call a program from a memory, so that a device installed with the chip executes the method described in the second aspect.
  • a computer-readable storage medium on which a program is stored, and the program causes a computer to execute the method described in the first aspect.
  • a computer-readable storage medium on which a program is stored, and the program causes a computer to execute the method described in the second aspect.
  • a thirteenth aspect provides a computer program product, including a program, the program causes a computer to execute the method described in the first aspect.
  • a fourteenth aspect provides a computer program product, including a program, the program causes a computer to execute the method described in the second aspect.
  • a fifteenth aspect provides a computer program, the computer program causes a computer to execute the method described in the first aspect.
  • a sixteenth aspect provides a computer program, the computer program causes a computer to execute the method described in the second aspect.
  • the terminal device indicates the first information to the network device, so that the number of transmission channels used by the terminal device, configuration information, or the transmission index that can be satisfied are visible to the network device, so that the network device can accurately understand the terminal device. to schedule.
  • FIG. 1 is an example diagram of a system architecture to which the embodiment of the present application can be applied.
  • Fig. 2 is an example diagram of an implementation architecture of a terminal device with dual transmission channels.
  • Fig. 3 is a schematic flowchart of a wireless communication method provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of the device provided by the embodiment of the present application.
  • FIG. 1 is a wireless communication system 100 applied in an embodiment of the present application.
  • the wireless communication system 100 may include a network device 110 and a terminal device 120 .
  • the network device 110 may be a device that communicates with the terminal device 120 .
  • the network device 110 can provide communication coverage for a specific geographical area, and can communicate with the terminal device 120 located in the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. The embodiment of the application does not limit this.
  • the wireless communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems, for example: the fifth generation (5th generation, 5G) system or new radio (new radio, NR), long term evolution (long term evolution, LTE) system , LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD), etc.
  • the technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system, and satellite communication systems, and so on.
  • the terminal equipment in the embodiment of the present application may also be referred to as user equipment (user equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station (mobile station, MS), mobile terminal (mobile Terminal, MT) ), remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device.
  • the terminal device in the embodiment of the present application may be a device that provides voice and/or data connectivity to users, and can be used to connect people, objects and machines, such as handheld devices with wireless connection functions, vehicle-mounted devices, and the like.
  • the terminal device in the embodiment of the present application can be mobile phone (mobile phone), tablet computer (Pad), notebook computer, palmtop computer, mobile internet device (mobile internet device, MID), wearable device, virtual reality (virtual reality, VR) equipment, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical surgery, smart Wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home, etc.
  • UE can be used to act as a base station.
  • a UE may act as a scheduling entity that provides sidelink signals between UEs in V2X or D2D, etc.
  • a cell phone and an automobile communicate with each other using sidelink signals. Communication between cellular phones and smart home devices without relaying communication signals through base stations.
  • the network device in this embodiment of the present application may be a device for communicating with a terminal device, and the network device may also be called an access network device or a wireless access network device, for example, the network device may be a base station.
  • the network device in this embodiment of the present application may refer to a radio access network (radio access network, RAN) node (or device) that connects a terminal device to a wireless network.
  • radio access network radio access network, RAN node (or device) that connects a terminal device to a wireless network.
  • the base station can broadly cover various names in the following, or replace with the following names, such as: Node B (NodeB), evolved base station (evolved NodeB, eNB), next generation base station (next generation NodeB, gNB), relay station, Access point, transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP), primary station MeNB, secondary station SeNB, multi-standard wireless (MSR) node, home base station, network controller, access node , wireless node, access point (access piont, AP), transmission node, transceiver node, base band unit (base band unit, BBU), remote radio unit (Remote Radio Unit, RRU), active antenna unit (active antenna unit) , AAU), radio head (remote radio head, RRH), central unit (central unit, CU), distributed unit (distributed unit, DU), positioning nodes, etc.
  • NodeB Node B
  • eNB evolved base station
  • next generation NodeB next generation base
  • a base station may be a macro base station, a micro base station, a relay node, a donor node, or the like, or a combination thereof.
  • a base station may also refer to a communication module, a modem or a chip configured in the aforementioned equipment or device.
  • the base station can also be a mobile switching center, a device that undertakes the function of a base station in D2D, vehicle-to-everything (V2X), machine-to-machine (M2M) communication, and a device in a 6G network.
  • V2X vehicle-to-everything
  • M2M machine-to-machine
  • Base stations can support networks of the same or different access technologies. The embodiment of the present application does not limit the specific technology and specific device form adopted by the network device.
  • Base stations can be fixed or mobile.
  • a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move according to the location of the mobile base station.
  • a helicopter or drone may be configured to serve as a device in communication with another base station.
  • the network device in this embodiment of the present application may refer to a CU or a DU, or, the network device includes a CU and a DU.
  • a gNB may also include an AAU.
  • Network equipment and terminal equipment can be deployed on land, including indoors or outdoors, hand-held or vehicle-mounted; they can also be deployed on water; they can also be deployed on aircraft, balloons and satellites in the air.
  • the scenarios where the network device and the terminal device are located are not limited.
  • the communication device mentioned in this application may be a network device, or may also be a terminal device.
  • the first communication device is a network device
  • the second communication device is a terminal device.
  • the first communication device is a terminal device
  • the second communication device is a network device.
  • both the first communication device and the second communication device are network devices, or both are terminal devices.
  • multiple power classes are defined for the maximum transmit power capability of terminal equipment. Different power levels in the multiple power levels correspond to different maximum transmit powers (or maximum transmit power capabilities). For example, the maximum transmission power corresponding to PC1.5 is 29 dBm, the maximum transmission power corresponding to PC2 is 26 dBm, the maximum transmission power corresponding to PC3 is 23 dBm, and so on. If the terminal device has multiple transmission channels (or transmission channels or transmission branches), the terminal device can add the power of the multiple transmission channels so that the total power obtained after adding the multiple transmission channels reaches the terminal The corresponding power level of the device.
  • PC power classes
  • terminal devices of the same power level may have different architectures for realizing the capability of the power level.
  • the terminal device may use one transmission channel to reach PC2, or may use two transmission channels to reach PC2.
  • the terminal device may support uplink multiple in multiple out (MIMO), transmit diversity (Tx diversity, TxD), evolved universal mobile communication system terrestrial wireless access-new wireless dual connectivity (evolved universal mobile telecommunications system terrestrial radio access-new radio dual connection, EN-DC), new radio-evolved universal mobile telecommunications system terrestrial radio access dual connection (new radio-evolved universal mobile telecommunications system terrestrial radio access dual connection, NE-DC) , uplink carrier aggregation (carrier aggregation, CA) and other terminal equipment, such terminal equipment usually has two or more transmission channels.
  • MIMO multiple in multiple out
  • Tx diversity TxD
  • EN-DC evolved universal mobile communication system terrestrial wireless access-new wireless dual connectivity
  • new radio-evolved universal mobile telecommunications system terrestrial radio access dual connection new radio-evolved universal mobile telecommunications system terrestrial radio access dual connection
  • NE-DC new radio-evolved universal mobile telecommunications system terrestrial radio access dual connection
  • CA carrier aggregation
  • CA
  • two PAs are set on two transmit channels of the terminal device, and the corresponding power level capabilities of the two PAs are both PC3.
  • two PAs are set on two transmission channels of the terminal device, and the corresponding power class capabilities of the two PAs are PC2 and PC3 respectively.
  • the architecture 3 of FIG. 2 two PAs are set on the two transmission channels of the terminal device, and the corresponding power level capabilities of the two PAs are both PC2.
  • Terminal equipment can work in different working modes.
  • the working modes mentioned in the embodiment of the present application can be distinguished according to the number of data streams that the terminal device needs to transmit simultaneously.
  • a terminal device can work in a working mode that only transmits one data stream. This working mode may be called a single-stream mode.
  • the terminal device can use one transmit channel to send one data stream at a time.
  • the single stream mode may also be referred to as a single antenna mode or a single antenna port (single antenna port) mode.
  • the terminal device may work in a working mode of transmitting multiple data streams.
  • the terminal device may work in a working mode of simultaneously transmitting two data streams (this working mode may also be referred to as a dual-stream mode).
  • this working mode may also be referred to as a dual-stream mode.
  • the terminal device may work in a working mode of transmitting three or more data streams.
  • the working mode of transmitting two or more data streams may be collectively referred to as a multi-stream mode.
  • the multi-stream mode may, for example, refer to the MIMO mode, and of course, may also refer to other working modes in which multiple transmission channels are used for uplink transmission.
  • the network device can schedule the working mode of the terminal device according to actual needs, so as to change the number of data streams that the terminal device needs to send simultaneously. For a terminal device, no matter which working mode the terminal device is in, its transmission power should be able to reach the power level capability reported by the terminal device.
  • the terminal device works in a certain working mode, and the number of transmission channels that the terminal device has is greater than the number of data streams that need to be transmitted in this working mode, then the number of transmission channels that the terminal device can use in this working mode There are many options available.
  • the terminal device may use a single transmission channel for transmission, or may use multiple transmission channels for transmission.
  • the terminal device adopts architecture 2 in Figure 2, that is, the terminal device has two transmission channels, one of the PAs on one transmission channel corresponds to a power level capability of PC3, and the power level capability of the other PA corresponds to The capability is PC2 (that is, the terminal equipment adopts the configuration of "PC3PA+PC2PA").
  • the terminal device can use a single transmission channel for transmission, and the power level capability corresponding to the PA on the transmission channel It is configured as PC2, so that the transmission capability of the terminal device meets the requirement of PC2 for the maximum transmission power.
  • the terminal device may also use two transmission channels for transmission, and configure the power level capability corresponding to the PA on the two transmission channels as PC3.
  • the two transmit channels can transmit in a transmit diversity manner, so that the transmit capability of the terminal device meets the maximum transmit power requirement of the PC2.
  • the transmission index requirements that the terminal equipment needs to comply with are usually different.
  • the transmission index requirement that the terminal device needs to meet is a single channel index ( Or called single-channel index, single-transmission index, single-antenna index or single-antenna port (single antenna port) index); another example, if the network device configures the terminal device to work in single-stream mode, and the terminal device uses two transmission channels to meet the power level capability requirements of the terminal equipment, then the transmission index requirements that the terminal equipment needs to meet are the transmit diversity index (or TxD index) requirements corresponding to the two transmission channels.
  • the transmit diversity index refers to one or more indexes that need to be met for transmission using the transmit diversity technology.
  • the one or more indicators may include at least one of the following indicators: transmitter power (transmitter power), dynamic output power (output power dynamics), transmission signal quality (transmit signal quality), output radio frequency emission spectrum (output RF spectrum emissions).
  • the terminal device will report the power level corresponding to the maximum power capability.
  • the end device does not send the number of transmit channels it uses to the network device. That is to say, the number of transmission channels used by the terminal device is unknown to the network device.
  • the terminal device may report to the network device that its supported power level is PC2, and that it supports uplink MIMO transmission with a maximum of 2 streams, but the network device cannot It is known which architecture in FIG. 2 is used by the terminal device to realize the power level corresponding to the terminal device.
  • the terminal device works in single-stream mode, if the terminal device adopts architecture 2 in Figure 2, the network device does not know the working status of the transmission channel in the terminal device (that is, the network device does not know that the terminal device In the single-stream mode, one transmit channel is used to work, or two transmit channels are used to work at the same time).
  • the network equipment cannot know the number of transmission channels used by the terminal equipment, so the network equipment cannot determine which transmission index requirements (such as single channel index or transmit diversity index) the terminal equipment should meet, and it is impossible to accurately schedule the terminal equipment. Therefore, it is difficult to guarantee the transmission performance of the terminal equipment.
  • transmission index requirements such as single channel index or transmit diversity index
  • the terminal device works in single-stream mode
  • the terminal device uses two transmission channels for transmission, compared with the way that the terminal device uses a single transmission channel for transmission, the intermodulation effect between the two transmission channels will bring more Severe out-of-band useless emission requires terminal equipment to use greater backoff power to meet the requirements for out-of-band emission.
  • the terminal device adopts high-order modulation, and the resource block (resource block, RB) allocated to the terminal device is located near the edge of the channel, if the terminal device uses two transmission channels to transmit, the two transmission channels
  • the backoff power will be very high, which causes the maximum transmit power capability of the terminal device to be lower than the maximum transmit power capability of the terminal device when a single transmit channel is used.
  • the network device needs to know the number or configuration information of the transmission channel of the terminal device to determine the transmission index requirements that the terminal device needs to meet, so as to accurately determine the maximum transmission power of the terminal device ability.
  • a terminal device uses three transmission channels to achieve the power level capability reported by the terminal device, under the same resource configuration, compared with the terminal device using a single or two transmission channels to achieve the power level capability, three transmission channels The intermodulation effect between them brings more serious out-of-band unwanted emissions, so the terminal equipment needs greater back-off power to meet the out-of-band emission index requirements. Therefore, when the terminal device uses three transmission channels to transmit simultaneously, the maximum transmission power capability of the terminal device is lower than that when the terminal device uses a single or two transmission channels.
  • the network device needs to know the number or configuration information of the transmission channel of the terminal device to determine the transmission index requirements that the terminal device needs to meet, so as to accurately determine the maximum transmission power of the terminal device ability.
  • the terminal device can indicate to the network device that the terminal device uses Quantity and/or configuration information of the first device (which may be a transmit channel, PA or transmit antenna) of (or used by the terminal device in a certain working mode).
  • the configuration information of the first device may include a power level capability corresponding to each device in the first devices used by the terminal device.
  • the configuration information of the first component may include the quantity of the first components used by the terminal device and the corresponding power level capability of each of the first components used by the terminal device.
  • the terminal device can work in the first working mode.
  • the first working mode may include a single-stream mode and/or a multi-stream mode.
  • the multi-stream mode may refer to a dual-stream mode for simultaneously transmitting two data streams, or may refer to a multi-stream mode for transmitting three or more data streams (dual-stream mode is also a type of multi-stream mode).
  • the multi-stream mode may refer to MIMO mode.
  • the quantity or configuration information of the first component used by the terminal device may refer to the quantity or configuration information of the first component used by the terminal device in the first working mode.
  • the terminal device may include one first device, or may include multiple first devices.
  • the first device mentioned in this embodiment of the present application may refer to a power transmitting device.
  • the first device may include one or more of the following devices: a transmitting channel, a transmitting antenna, and a PA.
  • the terminal device includes two first components, that is, the terminal device includes two transmission channels, or two transmission antennas, or two PAs.
  • the quantities of the first components used by the terminal devices are different, or the configuration information of the first components used by the terminal devices is different.
  • the number or configuration information of the first device used by the terminal device is different, and the emission index requirements (such as the out-of-band emission index requirements mentioned above) that the terminal device needs to meet may be different.
  • the terminal device may adopt, for example, one of the implementation architectures shown in FIG. 2 .
  • the terminal device Taking the power level capability reported by the terminal device as PC2 as an example, if the terminal device adopts the architecture 1 ("PC3PA+PC3PA") in Figure 2, in order to meet the power level capability requirements corresponding to PC2, the terminal device needs to Two PAs are used to transmit at the same time. At this time, the terminal equipment needs to meet the requirements of the transmit diversity index.
  • the terminal device can use a single PC2PA for transmission, or use two PAs to simultaneously transmit a maximum of 23dBm. power. If the terminal device uses a single PA for transmission, the terminal device needs to meet the requirements of the single antenna index; if the terminal device uses two PAs for transmission, the terminal device needs to meet the requirements of the transmit diversity index.
  • PC2PA+PC3PA architecture 2
  • the terminal device adopts architecture 3 ("PC2PA+PC2PA") in Figure 2, in order to meet the power level capability requirements corresponding to PC2, the terminal device can use a single PC2PA for transmission, or use two PAs to simultaneously transmit a maximum of 23dBm. power. If the terminal device uses a single PA for transmission, the terminal device needs to meet the requirements of the single antenna index; if the terminal device uses two PAs for transmission, the terminal device needs to meet the requirements of the transmit diversity index.
  • PC2PA+PC2PA architecture 3
  • the terminal device sends first information to the network device.
  • the first information may be capability information of the terminal device.
  • the first information may be capability information related to the first device.
  • the first information may be PA capability information.
  • the first information may be power capability information of a transmit channel of the terminal device.
  • the first information may be represented by, for example, TxD_PAconfigurations.
  • the first information may be carried in radio resource control (radio resource control, RRC) signaling, for example, carried in UE capability information (UE capability information) of RRC signaling.
  • RRC radio resource control
  • the first information may be used by the network device to determine the transmit power index that the terminal device needs to meet. Taking the terminal device working in the single-stream mode as an example, the first information can be used by the network device to determine whether the terminal device needs to meet the single-channel index requirement or the transmit diversity index requirement. In some embodiments, the network device may also refer to a test instrument or a test instrument capable of testing the transmit power index that the terminal device needs to meet.
  • the first information may be used to indicate at least one of the following parameters (the following parameters of the terminal device in a certain working mode): the quantity of the first device used by the terminal device; configuration information of the first device used by the terminal device; or The transmission index (or the emission index requirement, which may include, for example, a single channel index and/or a transmit diversity index) that the terminal device satisfies (or can meet).
  • the first information may include the quantity or configuration information of the first component used by the terminal device to achieve the corresponding power level capability of the terminal device (see the description of Embodiments 1 and 2 below).
  • the first information may indirectly indicate the quantity or configuration information of the first device used by the terminal device to achieve the corresponding power level capability of the terminal device (see Examples 1 and 2 in Embodiment 3 below).
  • the first information may indicate a transmission index that the terminal device can meet (see Example 3 in Embodiment 3 below).
  • the configuration information of the first component may include the quantity of the first components used by the terminal device and the power level capability corresponding to each component of the first components used by the terminal device.
  • the first information may indicate that the number of PAs used by the terminal device is 2; or, the first information may indicate that the terminal device uses The number of PAs is 2, and the power level capabilities corresponding to the two PAs are PC2 and PC3 respectively.
  • the network device may determine the transmission index requirement that the terminal device needs to meet or the maximum transmit power (or maximum transmit power capability) or the maximum transmit power fallback value of the terminal device according to the first information.
  • the maximum transmit power or the maximum transmit power fallback value of the terminal device determined by the network device according to the first information may refer to the maximum transmit power capability of the terminal device after meeting the corresponding transmission index requirements.
  • the network device knows from the first information that the terminal device uses two PAs for transmission at the same time, and the network device can calculate the backoff power (such as 2dBm) when the terminal device transmits. Then, the network device may subtract the backoff power from the power level capability of the terminal device, so as to obtain the maximum transmit power of the terminal device. Then, the network device can accurately schedule the terminal device according to the maximum transmission power of the terminal device. For example, the network device can accurately perform power control on the terminal device according to the maximum transmit power of the terminal device.
  • the terminal device sends the first information to the network device, so that the quantity and/or configuration information of the first device used by the terminal device is visible to the network device.
  • the network device can specify the transmission index requirements that the terminal device needs to meet, so as to accurately schedule (for example, power control) the terminal device.
  • the network device can know the number or configuration information of the PAs used by the terminal device in the single-stream mode through the first information, so that it can be specified that the terminal device needs to meet the emission index requirement as The requirement of the single channel index is also the requirement of the transmit diversity index, so that the terminal equipment can be accurately scheduled.
  • the network device can know the number or configuration information of the PAs used by the terminal device in the dual-stream mode through the first information, so that it can be determined that the emission index requirement that the terminal device needs to meet is two The transmit diversity index requirements corresponding to one PA, or the transmit diversity index requirements corresponding to three or more PAs, so that the network equipment can accurately schedule the terminal equipment.
  • the first information in Embodiment 1 is used to indicate the quantity of the first device used by the terminal device;
  • the first information in Embodiment 2 is used to indicate the configuration information of the first device used by the terminal device; in Embodiment 3
  • the first information is used to indicate the index (the index related to transmission) that the terminal device can meet.
  • Embodiment 1 The first information indicates the quantity of the first device used by the terminal device
  • the terminal device can report to the network device that the terminal device uses a single PA (or single transmit channel, or single transmit antenna, which can be referred to as 1T in short) in single-stream mode through the first information. ); or, the terminal device may report to the network device through the first information that the terminal device uses two PAs (or dual transmit channels, or dual transmit antennas, which may also be referred to as 2T) in single-stream mode.
  • a single PA or single transmit channel, or single transmit antenna, which can be referred to as 1T in short
  • 2T dual transmit channels, or dual transmit antennas
  • Embodiment 1 reports the quantity of the first device used by the terminal device, so that the network device can specify the emission index requirements that the terminal device needs to meet, and the implementation method provided by Embodiment 1 requires less information to be reported and is simple to implement.
  • the first information indicates the quantity of the first component used by the terminal device, and two examples are given below.
  • the first information may be carried by at least one bit.
  • the at least one bit may include multiple values.
  • the multiple values correspond to the multiple quantities of the first device one by one.
  • the first information may be carried by 1 bit. If the value of the 1 bit is 0, it may indicate that the terminal equipment uses one PA, one transmission channel, or one transmission antenna. In this case, the terminal equipment needs to meet the single-channel index requirement. For another example, if the value of the 1 bit is 1, it may indicate that the terminal device uses two PAs, or two transmission channels, or two transmission antennas. In this case, what the terminal equipment needs to meet is the transmit diversity index requirement.
  • Mode 2 indicates the quantity of the first component used by the first terminal device in a default configuration manner.
  • the quantity of the first component used by the terminal device may have a default value.
  • the first information may be used to indicate to the network device the quantity of the first component used by the terminal device when the quantity of the first component used by the terminal device is not a default value.
  • the terminal device working in the single-stream mode as an example, if the default value of the number of first devices used by the terminal device in the single-stream mode is 1, when the terminal device sends the first information or the bit carrying the first information to the network device When the value of is a preset value (such as 1), it means that the number of first devices used by the terminal device is 2. In this case, the terminal equipment should meet the transmit diversity index requirements.
  • the terminal device when the terminal device sends the first information to the network device or the value of the bit carrying the first information is a preset value, the terminal The number of the first device used by the device is one. In this case, the terminal equipment shall meet the single-channel index requirements.
  • the first information indicates the configuration information of the first device used by the terminal device
  • the configuration information of the first device may refer to, for example, PA configuration information, transmit channel configuration information, or transmit antenna configuration information of the first device.
  • the configuration information of the first device may include more information, such as the power level capability corresponding to the first device.
  • the first information may be used to indicate the configuration information of the first device used by the terminal device in the single-stream mode.
  • the configuration information of the first device may include first configuration information and/or second configuration information.
  • the first configuration information may be used to indicate that the terminal device uses a first device in order to achieve PC2 in the single-stream mode, and the power level capability corresponding to the first device is PC2.
  • the second configuration information may be used to indicate that the terminal device uses two first devices in order to achieve PC2 in the single-stream mode, and the corresponding power level capabilities of the two first devices are both PC3.
  • the terminal device may select one type of configuration information from the configuration information ⁇ PC2; PC3+PC3 ⁇ of the first device to report.
  • the first information may also be used to indicate configuration information of the first device used by the terminal device in the dual-stream mode.
  • the configuration information of the first device used by the terminal device in the dual-stream mode may include one or more of first configuration information, second configuration information, and third configuration information.
  • the first configuration information can be used to indicate that the terminal device uses two first devices, and the power level capabilities corresponding to the two first devices are both PC3 (such as architecture 1 in Figure 2), and the second configuration information can be used to indicate the terminal The device uses two first devices, and the corresponding power levels of the two first devices are PC2 and PC3 (as shown in Architecture 2 in Figure 2), and the third configuration information is used to indicate that the terminal device uses the two first devices.
  • One device, and the power level capabilities corresponding to the two first devices are both PC2 (for example, architecture 3 in FIG. 2 ).
  • the terminal device may select one type of configuration information from the configuration information ⁇ PC3+PC3; PC2+PC3; PC2+PC2 ⁇ of the first device to report.
  • the first information may simultaneously indicate the configuration information of the first device used by the terminal device in the single-stream mode and the configuration information of the first device used by the terminal device in the dual-stream mode.
  • the terminal device uses two first devices with a power level capability of PC3 in the dual-stream mode, that is, ⁇ PC3+PC3 ⁇
  • the default terminal device can also adopt this configuration in the single-stream mode information.
  • the first information may not indicate configuration information of the first device used by the terminal device in the single-stream mode.
  • Embodiment 3 The first information indicates the requirements or indicators that the terminal device can meet
  • the index may correspond to or be associated with at least one of the following parameters: the quantity of the first component used by the terminal device, the configuration information of the first component used by the terminal device, and the emission index that the terminal device can meet.
  • the requirement set can be realized in many ways.
  • requirement set1 can correspond to the "PC3+PC3" architecture in Figure 2
  • requirement set2 corresponds to the "PC2+PC3” architecture in Figure 2
  • requirement set3 corresponds to the "PC2+PC2" architecture in Figure 2.
  • requirement set1 corresponds to the architecture of 1T PC2 in single-stream mode (1T refers to a first device (transmit channel, transmit antenna or power amplifier), PC2 refers to the power level capability corresponding to the first device is PC2), requirement set2 corresponds to the architecture of 2T PC3+PC3 in single-stream mode (2T refers to the two first devices (transmit channel, transmit antenna or power amplifier), PC2 refers to the power level capabilities corresponding to the two first devices are PC2 and PC3) .
  • requirement set1 corresponds to single-channel indicators in single-stream mode
  • requirement set2 corresponds to transmit diversity indicators in single-stream mode
  • FIG. 4 is a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • the terminal device 400 shown in FIG. 4 includes a sending module 410 .
  • the sending module 410 is configured to send the first information to the network device.
  • the first information is used to indicate at least one of the following parameters: the quantity of the first component used by the terminal device; configuration information of the first component used by the terminal device; index.
  • the first device includes one or more of a transmitting channel, a transmitting antenna, and a power amplifier.
  • the first information is used to indicate the quantity or configuration information of the first device used by the terminal device in a first working mode, where the first working mode includes a single-stream mode and/or a multi-stream mode.
  • the first information is carried by at least one bit, and the at least one bit includes multiple values, and the multiple values correspond one-to-one to the multiple quantities of the first devices.
  • the quantity of the first component used by the terminal device has a default value
  • the first information is used to send information to the The network device indicates the quantity of the first device used by the terminal device.
  • the default value of the number of first devices used by the terminal device in single-stream mode is 1, when the terminal device sends the first information to the network device or carries the first information
  • the value of at least one bit is a preset value
  • the number of first devices used by the terminal device is 2; or, the default value of the number of first devices used by the terminal device in single-stream mode is 2
  • the terminal device sends the first information to the network device or the value of at least one bit carrying the first information is a preset value the quantity of the first device used by the terminal device is 1.
  • the configuration information of the first component includes the quantity of the first components used by the terminal device and the corresponding power level capability of each of the first components used by the terminal device.
  • the power level capability of the terminal device is PC2
  • the first information is used to indicate configuration information of a first device used by the terminal device in single-stream mode
  • the configuration information of the first device includes The first configuration information and/or the second configuration information, wherein the first configuration information is used to indicate that the terminal device uses a first device, and the power level capability corresponding to the first device is PC2, the The second configuration information is used to indicate that the terminal device uses two first components, and the power level capabilities corresponding to the two first components are PC2 and PC3 respectively.
  • the first information is used to indicate configuration information of a first device used by the terminal device in dual-stream mode
  • the configuration information of the first device includes first configuration information, second configuration information, and third One or more of the configuration information, wherein the first configuration information is used to indicate that the terminal device uses two first devices, and the power level capabilities corresponding to the two first devices are both PC3,
  • the second configuration information is used to indicate that the terminal device uses two first devices, and the power level capabilities corresponding to the two first devices are PC2 and PC3 respectively
  • the third configuration information is used to indicate that the The terminal device uses two first devices, and the corresponding power level capabilities of the two first devices are both PC2.
  • the first information is used by the network device to determine the maximum transmit power and/or maximum transmit power backoff value of the terminal device.
  • FIG. 5 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • the network device 500 shown in FIG. 5 includes a receiving module 510 .
  • the receiving module 510 may be configured to receive first information sent by the terminal device.
  • the first information is used to indicate at least one of the following parameters: the quantity of the first component used by the terminal device; the configuration information of the first component used by the terminal device; index.
  • the first device includes one or more of a transmitting channel, a transmitting antenna, and a power amplifier.
  • the first information is used to indicate the quantity or configuration information of the first device used by the terminal device in a first working mode, where the first working mode includes a single-stream mode and/or a multi-stream mode.
  • the first information is carried by at least one bit, and the at least one bit includes multiple values, and the multiple values correspond one-to-one to the multiple quantities of the first devices.
  • the quantity of the first component used by the terminal device has a default value
  • the first information is used to send information to the The network device indicates the quantity of the first device used by the terminal device.
  • the default value of the number of first devices used by the terminal device in single-stream mode is 1, when the terminal device sends the first information to the network device or carries the first information
  • the value of at least one bit is a preset value
  • the number of first devices used by the terminal device is 2; or, the default value of the number of first devices used by the terminal device in single-stream mode is 2
  • the terminal device sends the first information to the network device or the value of at least one bit carrying the first information is a preset value the quantity of the first device used by the terminal device is 1.
  • the configuration information of the first component includes the quantity of the first components used by the terminal device and the corresponding power level capability of each of the first components used by the terminal device.
  • the power level capability of the terminal device is PC2
  • the first information is used to indicate configuration information of a first device used by the terminal device in single-stream mode
  • the configuration information of the first device includes The first configuration information and/or the second configuration information, wherein the first configuration information is used to indicate that the terminal device uses a first device, the power level capability corresponding to the first device is PC2, and the first device
  • the second configuration information is used to indicate that the terminal device uses two first components, and the power level capabilities corresponding to the two first components are PC2 and PC3 respectively.
  • the first information is used to indicate configuration information of a first device used by the terminal device in dual-stream mode
  • the configuration information of the first device includes first configuration information, second configuration information, and third One or more of the configuration information, wherein the first configuration information is used to indicate that the terminal device uses two first devices, and the power level capabilities corresponding to the two first devices are both PC3,
  • the second configuration information is used to indicate that the terminal device uses two first devices, and the power level capabilities corresponding to the two first devices are PC2 and PC3 respectively
  • the third configuration information is used to indicate that the The terminal device uses two first devices, and the corresponding power level capabilities of the two first devices are both PC2.
  • the first information is used by the network device to determine the maximum transmit power and/or maximum transmit power backoff value of the terminal device.
  • Fig. 6 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the dotted line in Figure 6 indicates that the unit or module is optional.
  • the apparatus 600 may be used to implement the methods described in the foregoing method embodiments.
  • Apparatus 600 may be a chip, a terminal device or a network device.
  • Apparatus 600 may include one or more processors 610 .
  • the processor 610 may support the device 600 to implement the methods described in the foregoing method embodiments.
  • the processor 610 may be a general purpose processor or a special purpose processor.
  • the processor may be a central processing unit (central processing unit, CPU).
  • the processor can also be other general-purpose processors, digital signal processors (digital signal processors, DSPs), application specific integrated circuits (application specific integrated circuits, ASICs), off-the-shelf programmable gate arrays (field programmable gate arrays, FPGAs) Or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • Apparatus 600 may also include one or more memories 620 .
  • a program is stored in the memory 620, and the program can be executed by the processor 610, so that the processor 610 executes the methods described in the foregoing method embodiments.
  • the memory 620 may be independent from the processor 610 or may be integrated in the processor 610 .
  • the apparatus 600 may also include a transceiver 630 .
  • the processor 610 can communicate with other devices or chips through the transceiver 630 .
  • the processor 610 may send and receive data with other devices or chips through the transceiver 630 .
  • the embodiment of the present application also provides a computer-readable storage medium for storing programs.
  • the computer-readable storage medium can be applied to the terminal device or the network device provided in the embodiments of the present application, and the program enables the computer to execute the methods performed by the terminal device or the network device in the various embodiments of the present application.
  • the embodiment of the present application also provides a computer program product.
  • the computer program product includes programs.
  • the computer program product can be applied to the terminal device or the network device provided in the embodiments of the present application, and the program enables the computer to execute the methods performed by the terminal device or the network device in the various embodiments of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the terminal device or the network device provided in the embodiments of the present application, and the computer program enables the computer to execute the methods performed by the terminal device or the network device in the various embodiments of the present application.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean determining B only according to A, and B may also be determined according to A and/or other information.
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in 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 may be distributed to multiple network units. Part or all of the units can 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, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be read by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital versatile disc (digital video disc, DVD)) or a semiconductor medium (for example, a solid state disk (solid state disk, SSD) )wait.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a digital versatile disc (digital video disc, DVD)
  • a semiconductor medium for example, a solid state disk (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

La présente invention concerne un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau. Le procédé comprend : l'envoi, par un dispositif terminal, de premières informations à un dispositif de réseau, les premières informations étant utilisées pour indiquer au moins un des paramètres suivants : le nombre de premiers dispositifs utilisés par le dispositif terminal, des informations de configuration des premiers dispositifs utilisées par le dispositif terminal, ou un indice d'émission qui peut être satisfait par le dispositif terminal, les premiers dispositifs comprenant un canal d'émission et/ou une antenne d'émission et/ou un amplificateur de puissance. Par l'indication des premières informations au dispositif de réseau, le dispositif terminal fait en sorte que le nombre et les informations de configuration de canaux d'émission utilisés par le dispositif terminal ou l'indice d'émission, qui peut être satisfait par le dispositif terminal, soient disponibles au dispositif de réseau de sorte que le dispositif de réseau peut programmer avec précision le dispositif terminal.
PCT/CN2021/125025 2021-10-20 2021-10-20 Procédé de communication sans fil, dispositif terminal et dispositif de réseau WO2023065158A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2021/125025 WO2023065158A1 (fr) 2021-10-20 2021-10-20 Procédé de communication sans fil, dispositif terminal et dispositif de réseau
CN202180100448.9A CN117643111A (zh) 2021-10-20 2021-10-20 无线通信的方法、终端设备和网络设备

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PCT/CN2021/125025 WO2023065158A1 (fr) 2021-10-20 2021-10-20 Procédé de communication sans fil, dispositif terminal et dispositif de réseau

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110971317A (zh) * 2018-09-29 2020-04-07 华为技术有限公司 功率指示方法及装置
CN111818628A (zh) * 2019-04-10 2020-10-23 电信科学技术研究院有限公司 数据传输方法和设备
WO2021031913A1 (fr) * 2019-08-16 2021-02-25 大唐移动通信设备有限公司 Procédé et appareil de détermination d'informations de planification de liaison montante

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110971317A (zh) * 2018-09-29 2020-04-07 华为技术有限公司 功率指示方法及装置
CN111818628A (zh) * 2019-04-10 2020-10-23 电信科学技术研究院有限公司 数据传输方法和设备
WO2021031913A1 (fr) * 2019-08-16 2021-02-25 大唐移动通信设备有限公司 Procédé et appareil de détermination d'informations de planification de liaison montante

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