WO2021207946A1 - Procédé de transmission de données, dispositif terminal et dispositif réseau - Google Patents

Procédé de transmission de données, dispositif terminal et dispositif réseau Download PDF

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Publication number
WO2021207946A1
WO2021207946A1 PCT/CN2020/084802 CN2020084802W WO2021207946A1 WO 2021207946 A1 WO2021207946 A1 WO 2021207946A1 CN 2020084802 W CN2020084802 W CN 2020084802W WO 2021207946 A1 WO2021207946 A1 WO 2021207946A1
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WIPO (PCT)
Prior art keywords
data
capability
terminal device
levels
indication information
Prior art date
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PCT/CN2020/084802
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English (en)
Chinese (zh)
Inventor
邢金强
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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
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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/CN2020/084802 priority Critical patent/WO2021207946A1/fr
Priority to CN202080093180.6A priority patent/CN114982178A/zh
Publication of WO2021207946A1 publication Critical patent/WO2021207946A1/fr

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    • 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
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communications, and specifically, to a data transmission method, terminal equipment, and network equipment.
  • wireless mobile communication is centered on the base station, and the terminal is directly connected to the base station at the air interface, and communicates with the target terminal through the transfer of the base station.
  • the advantage of this kind of communication is that the base station acts as a control center, and the behavior of the terminal in the network is controllable.
  • the terminal can directly communicate with other terminals without passing through In the base station, this mode of direct communication between the terminal and the terminal can be referred to as side link (Sidelink, SL) communication.
  • SAlink, SL side link
  • the characteristic of SL transmission is that the base station is no longer a control center, and the terminals can communicate directly without a network. Taking the Internet of Vehicles as an example, vehicles can communicate with nearby vehicles to achieve many applications such as collision avoidance and early warning.
  • the base station can send data to terminals in the network through unicast, multicast, or broadcast.
  • the sending end terminal can send data to the receiving end terminal through unicast, multicast or broadcast.
  • the unicast mode is a direct one-to-one communication between two terminals (such as vehicles); the multicast mode is a communication mode in which one terminal faces multiple known terminals; the broadcast mode is one terminal A communication method for multiple unknown terminals.
  • the terminal that initiates the communication does not know which terminals are transmitting data on the receiving side, nor does it know the communication capabilities of the receiving terminal. Therefore, the sending end The terminal uses a lower communication capability to send and receive data uniformly to ensure that the receiving terminal can correctly receive information.
  • the embodiments of the present application provide a data transmission method, terminal device, and network device, which can improve system data transmission efficiency to a certain extent.
  • An embodiment of the present application provides a data transmission method, including: a first communication device sends data of at least two capability levels and first indication information to one or more terminal devices, where the first indication information includes the at least two types The ability level data corresponds to the ability level information.
  • An embodiment of the present application provides a data transmission method, including: a terminal device receives first indication information, where the first indication information includes capability level information corresponding to data of at least two capability levels; The capability level information and the first parameter information corresponding to the data of the two capability levels are respectively received, and data of one capability level among the data of the at least two capability levels is received.
  • An embodiment of the present application also provides a terminal device, including:
  • the sending module is configured to send data of at least two capability levels and first indication information to one or more terminal devices, where the first indication information includes capability level information corresponding to the data of the at least two capability levels, respectively.
  • the embodiment of the present application also provides a network device, including:
  • the sending module is configured to send data of at least two capability levels and first indication information to one or more terminal devices, where the first indication information includes capability level information corresponding to the data of the at least two capability levels, respectively.
  • An embodiment of the present application also provides a terminal device, including:
  • the first receiving module is configured to receive first indication information, where the first indication information includes capability level information corresponding to data of at least two capability levels, respectively;
  • the second receiving module is configured to receive data of one capability level among the data of the at least two capability levels according to the capability level information and the first parameter information respectively corresponding to the data of the at least two capability levels.
  • An embodiment of the present application also provides a terminal device, including: a processor and a memory, the memory is used to store a computer program, the processor calls and runs the computer program stored in the memory, and executes the above-mentioned data transmission method.
  • An embodiment of the present application also provides a network device, including: a processor and a memory, the memory is used to store a computer program, the processor calls and runs the computer program stored in the memory, and executes the above-mentioned data transmission method.
  • An embodiment of the present application also provides a chip, including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the data transmission method described above.
  • An embodiment of the present application also provides a computer-readable storage medium for storing a computer program, where the computer program enables a computer to execute the data transmission method as described above.
  • An embodiment of the present application also provides a computer program product, including computer program instructions, where the computer program instructions cause a computer to execute the data transmission method described above.
  • the embodiments of the present application also provide a computer program that enables a computer to execute the data transmission method described above.
  • the sending end device sends multiple copies of data according to different capability levels, and the receiving end device can select the data suitable for the capability level to receive according to its own capabilities or environmental conditions.
  • Terminal equipment with good environmental conditions can receive data at a faster speed or higher quality, which can improve the effectiveness of data transmission and achieve the purpose of improving the overall efficiency of the system.
  • Fig. 1 is a schematic diagram of a communication system architecture according to an embodiment of the present application.
  • Fig. 2 is a schematic diagram of a side link system according to an embodiment of the present application.
  • FIG. 3 is a flowchart of a data transmission method according to an embodiment of the sending end device side of the present application.
  • FIG. 4 is a flowchart of a data transmission method according to an embodiment of the receiving end device side of the present application.
  • Fig. 5 is a schematic diagram of a schematic hierarchical resource indication according to an embodiment of the present application.
  • FIG. 6 is a schematic structural block diagram of a terminal device at the sending end according to an embodiment of the present application.
  • Fig. 7 is a schematic structural block diagram of a network device according to an embodiment of the present application.
  • FIG. 8 is a schematic structural block diagram of a receiving end terminal device according to an embodiment of the present application.
  • Fig. 9 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a chip of an embodiment of the present application.
  • Fig. 11 is a schematic block diagram of a communication system 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
  • NR system evolution system LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum
  • NR NR-based access to unlicensed spectrum
  • NR-U non-terrestrial communication network
  • UMTS Universal Mobile Telecommunication System
  • UMTS wireless local area network
  • WLAN Wireless Local Area Networks
  • WLAN wireless fidelity
  • WiFi 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 embodiments of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) deployment.
  • CA Carrier Aggregation
  • DC dual connectivity
  • SA standalone
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment may also be referred to as User Equipment (UE), access terminal, subscriber unit, user station, mobile station, mobile station, and remote station. Station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • the terminal device can be a station (STAION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, and personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or in the future Terminal equipment in the evolved Public Land Mobile Network (PLMN) network.
  • STAION, ST station
  • WLAN Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites).
  • land including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites).
  • First class can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical, and wireless terminal equipment in smart grid , Wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home, etc.
  • Mobile Phone Mobile Phone
  • a tablet computer Pad
  • a computer with wireless transceiver function a virtual reality (VR) terminal device
  • an augmented reality (Augmented Reality, AR) terminal Equipment Wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical, and wireless terminal equipment in smart grid , Wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home, etc.
  • AR Augmented Reality
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for using wearable technology to intelligently design everyday wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a kind of hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones.
  • the network device may be a device used to communicate with mobile devices, the network device may be an access point (AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , It can also be a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or vehicle equipment, wearable devices, and NR networks Network equipment (gNB) in the PLMN network or network equipment in the PLMN network that will evolve in the future.
  • AP access point
  • BTS Base Transceiver Station
  • NodeB base station
  • eNB evolved base station
  • gNB Network Equipment
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network equipment can 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, or a high elliptical orbit (High Elliptical Orbit, HEO). ) Satellite etc.
  • the network device may also be a base station installed in a location such as land or water.
  • the network equipment may provide services for the cell, and the terminal equipment communicates with the network equipment through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network equipment ( For example, the cell corresponding to the base station.
  • the cell can belong to a macro base station or a base station corresponding to a small cell.
  • the small cell here can include: Metro cell, Micro cell, and Pico cell. Pico cells, femto cells, etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.
  • FIG. 1 schematically shows one network device 1100 and two terminal devices 1200.
  • the wireless communication system 1000 may include multiple network devices 1100, and the coverage of each network device 1100 may include other numbers
  • the terminal device of this application does not limit this.
  • the wireless communication system 1000 shown in FIG. 1 may also include other network entities such as mobility management entities (Mobility Management Entity, MME), access and mobility management functions (Access and Mobility Management Function, AMF).
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • Fig. 2 schematically shows a schematic diagram of the effect of the side link SL communication process, and multiple vehicle terminals communicate directly without passing through a base station.
  • the UE at the communication initiator sends data to a larger number of other UEs.
  • the communication capabilities of different UEs may be different.
  • the sending The end UE uses lower communication capabilities for side-line transmission to take into account receiving end UEs of different capabilities.
  • the signal modulation in the wireless communication process is briefly described below.
  • commonly used digital modulation signals mainly include amplitude keying (ASK), frequency shift keying (FSK), phase shift keying (PSK) and quadrature amplitude modulation (QAM) signals.
  • ASK amplitude keying
  • FSK frequency shift keying
  • PSK phase shift keying
  • QAM quadrature amplitude modulation
  • the modulation methods that can be used in SL communication include, for example, quadrature phase shift keying (QPSK), quaternary quadrature amplitude modulation QAM (that is, 16QAM), 64QAM, 256QAM, 1024QAM, etc.
  • 256QAM and 1024QAM belong to high modulation levels, which can achieve higher communication rates. They are optional modulation levels supported, that is, some UEs support 256QAM or 1024QAM modulation and demodulation methods (higher capabilities), and some UEs It is not supported (lower capability). Then, in the case of multicast or broadcast, the sender UE adopts low-capacity modulation methods such as QPSK or 16QAM or 64QAM for modulation and transmission, in order to take into account the terminals that do not have 256QAM or 1024QAM capabilities, but for the receiving end terminals with 256QAM capabilities. The capacity is wasted and the communication rate cannot be improved.
  • the above describes the problem of capacity waste in broadcast or multicast for high-level optional capabilities (for example, 256QAM capability) terminals.
  • optional capabilities for example, 256QAM capability
  • modulation methods such as QPSK, 16QAM, 64QAM, 256QAM, and 1024QAM can be used in SL communication, where 256QAM and 1024QAM are optional modulation levels, and other modulation methods are mandatory modulation levels.
  • the actual available modulation mode is related to the quality of the environment the terminal is currently in. For example, it is related to the signal to Interference plus Noise Ratio (SINR) of the current environment.
  • SINR Signal to Interference plus Noise Ratio
  • the SINR When the SINR is low, When the SINR is high, only low-level modulation methods can be used, and high-level modulation methods can be used when the SINR is high.
  • the information sending end device (which can be a network device such as a base station, or a sending end UE in the SL) does not actually know the location of the receiving end UE and the channel environment conditions, in order to ensure that the receiving end UE can receive correctly, The sending end device needs to send in a low-level modulation mode, such as QPSK. This processing method wastes the capacity of the receiving end terminal with high environmental quality, resulting in a decrease in the efficiency of the entire system.
  • an embodiment of the present application provides a data transmission method.
  • the method includes:
  • the first communication device sends data of at least two capability levels and first indication information to one or more terminal devices, where the first indication information includes capability level information corresponding to the data of the at least two capability levels, respectively.
  • the first communication device may be a network device such as a base station, and the network device sends data of at least two capability levels and the first indication information to the terminal device; optionally, the first communication device
  • the device may also be a terminal device, such as a sending end terminal in a side link system.
  • the sending end terminal sends data of at least two capability levels and first indication information to the receiving end terminal.
  • the first indication information includes the at least two types of data.
  • the ability level data corresponds to the ability level information.
  • the first communication device can send data of at least two capabilities for the terminal device to receive, and indicate the capability level information of the data through the first indication information.
  • the terminal device can select the corresponding data according to its own capability level.
  • Adaptive data is received. For example, a high-capability (or low-capacity) terminal device can choose to receive data corresponding to a high-capability level (or a corresponding low-capability level), thereby maximizing the efficiency of data transmission and improving the overall performance of the system.
  • an embodiment of the present application also provides a data transmission method.
  • the method includes:
  • the terminal device receives first indication information, where the first indication information includes capability level information corresponding to data of at least two capability levels respectively;
  • the terminal device receives data of one capability level among the data of the at least two capability levels according to the capability level information and the first parameter information respectively corresponding to the data of the at least two capability levels.
  • the first parameter information may include the receiving and demodulating capability of the terminal device; optionally, the first parameter information may include the channel environmental condition where the terminal device is located.
  • the first parameter information may reflect the capabilities of the terminal device itself or the pros and cons of the channel environment in which it is located.
  • the terminal device can learn that there are multiple pieces of data that can be received through the first indication information, and the terminal capabilities required to receive multiple pieces of data are different, the terminal device can select according to its own capabilities or current environmental conditions The corresponding data is received, thereby maximizing the efficiency of data transmission and improving the overall performance of the system.
  • the first communication device modulates the data information to be sent based on at least two modulation modes, respectively, to obtain the data to be sent of at least two capability levels.
  • the at least two modulation modes include at least two of the following modulation modes: QPSK, 16QAM, 64QAM, 256QAM, 1024QAM.
  • the first communication device may modulate the data information to be transmitted according to different modulation modes to obtain two pieces of data, denoted as Data1 and Data2, where:
  • ⁇ Data1 is modulated according to, for example, 256QAM, and Data1 is high-level modulation data;
  • ⁇ Data2 is modulated according to, for example, QPSK, and Data2 is low modulation level data.
  • the data of the at least two capability levels corresponds to different receiving and demodulating capabilities.
  • the corresponding receiving and demodulating capabilities of the two are different.
  • the receiving and demodulating ability of Data1 is lower than the receiving and demodulating ability of Data2.
  • Data1 needs a terminal with 256QAM demodulation ability to receive and demodulate.
  • Data2 only needs a terminal with QPSK demodulation capability to receive demodulation.
  • the terminal device when the terminal device learns through the first indication information that there are two pieces of data to be received, Data1 and Data2, and Data1 needs to have 256QAM demodulation capability, and Data2 needs to have QPSK demodulation capability, then The terminal device can select the appropriate data to receive according to its own capabilities.
  • the reception and demodulation capability of the terminal device is equal to or higher than the reception and demodulation capability corresponding to the data it receives.
  • it may include at least one of the following situations:
  • the terminal device has, for example, 256QAM demodulation capability, it can choose to receive Data1 to obtain the best possible transmission quality and transmission speed. Of course, it can also choose to receive Data2 at this time because its own capability is sufficient to receive Data2.
  • the terminal device has, for example, QPSK demodulation capability, since it does not have the ability to receive demodulated Data1, it should choose to receive Data2.
  • the data of the at least two capability levels correspond to different channel environmental conditions.
  • the available modulation and demodulation methods are related to the quality of the environment in which the communication device is located, for example, related to the SINR of the environment in which they are located.
  • SINR when the SINR is low, only low-level modulation and demodulation methods can be used; when the SINR is high, you can choose to use high-level modulation and demodulation methods.
  • the first communication device may modulate the data information to be sent according to different modulation modes to obtain three pieces of data, denoted as Data A, Data B, and Data C, where:
  • ⁇ Data A is modulated according to, for example, 256QAM at the first SINR, and Data A is high modulation level data;
  • ⁇ Data B is modulated according to, for example, 16QAM at the second SINR, and Data B is medium modulation level data;
  • Data C is modulated according to, for example, QPSK at the third SINR, and Data C is low modulation level data.
  • the value of the first SINR is the largest, and the value of the third SINR is the smallest, that is, the first SINR>the second SINR>the third SINR.
  • the terminal device when the terminal device learns through the first indication information that there are three pieces of data Data A, Data B, and Data C to be received, and Data A requires that the current channel environment meets the channel environment conditions corresponding to the first SINR, Data B needs the current channel environment to meet the channel environment conditions corresponding to the second SINR, and Data C needs the current channel environment to meet the channel environment conditions corresponding to the third SINR, then the terminal device can choose the appropriate one according to the channel environment conditions it is currently in The data is received.
  • the channel environmental condition where the terminal device is located is equal to or higher than (also can be called better than) the channel environmental condition corresponding to the data it receives.
  • it may include at least one of the following situations:
  • the terminal device can choose to receive Data A to obtain the best possible transmission quality and transmission speed; optionally, it can also choose to receive Data B or Data C, because its current channel environment conditions are sufficient to receive Data B or Data C.
  • the terminal device can choose to receive Data B to obtain the best possible transmission quality and transmission speed.
  • it can also choose to receive Data C at this time. Because the current channel environment conditions are sufficient to receive Data C.
  • the first communication device transmits the sideline data of the at least two capability levels in a multicast manner or a broadcast manner.
  • the first communication device sends data to multiple unknown terminal devices, that is, the capability information of the data receiving end is unknown, so this is the applicable scenario in the embodiment of the present application.
  • the first communication device does not know the identity information of some or all of the group members, that is, the capability information of the data receiving end is unknown, so It is a scenario to which the embodiments of this application are applicable.
  • the first indication information further includes the time-frequency domain position of the data of the at least two capability levels, so that the receiving end terminal device can receive the selection at the corresponding time-frequency domain position.
  • the data
  • the first communication device includes a transmitting end terminal device UE, which indicates that SL communication is performed between the transmitting end UE and the receiving end terminal device UE, the data of the at least two capability levels includes at least two capabilities Level of side-line data, the first indication information is carried by side-line control information (Sidelink control information, SCI).
  • side-line control information Sidelink control information, SCI
  • the sending end UE may send the SCI through the physical side line control channel PSCCH, and the SCI may carry the first indication information, for example, the SL control information sent by the sending end UE.
  • Bits are added to the SCI to indicate the time-frequency domain position of data with different levels of capability and the capability information required to receive the data, such as the information that requires 256QAM or 1024QAM demodulation capability as mentioned above.
  • the time-frequency domain positions of the different levels of capability data include, for example, the time-frequency domain resource positions of the low-level capability data, the middle-level capability data, and the high-level capability data respectively in the physical side line shared channel PSSCH.
  • the receiving terminal can accurately receive the data at the time-frequency domain position of the data.
  • the first communication device includes a network device
  • the data of the at least two capability levels includes broadcast data of at least two capability levels, and the first indication information may be carried by downlink control information.
  • the base station sends system broadcast information to multiple terminal devices in the network, and may carry the first indication information in the downlink control information corresponding to the system broadcast information, optionally
  • the downlink control information may include multicast control information or broadcast control information.
  • bits can be added to the downlink control information to indicate the time-frequency domain position of the data of different levels of capability and the capability information required to receive the data, so that the receiving terminal can use at least one of the foregoing embodiments of this application. When the data to be received is selected, the data can be accurately received in the time-frequency domain position of the data.
  • an embodiment of the present application further provides a terminal device 100, referring to FIG. 6, which includes:
  • the sending module 110 is configured to send data of at least two capability levels and first indication information to one or more terminal devices, where the first indication information includes capability level information corresponding to the data of the at least two capability levels, respectively.
  • an embodiment of the present application further provides a network device 200, referring to FIG. 7, which includes:
  • the sending module 210 is configured to send data of at least two capability levels and first indication information to one or more terminal devices, where the first indication information includes capability level information corresponding to the data of the at least two capability levels, respectively.
  • terminal device 100 or the network device 200 the following optional embodiments may be implemented, specifically:
  • the data of the at least two capability levels corresponds to different receiving and demodulating capabilities.
  • the data of the at least two capability levels corresponds to different channel environmental conditions.
  • the first indication information further includes the time-frequency domain position of the data of the at least two capability levels.
  • the at least two modulation modes include at least two of the following modulation modes: quadrature phase shift keying QPSK, quaternary quadrature amplitude modulation 16QAM, 64QAM, 256QAM, 1024QAM.
  • the sending module 110 sends the data of the at least two capability levels in a multicast manner or a broadcast manner.
  • the terminal device 100 further includes: a modulation module, configured to modulate the data information to be sent based on at least two modulation modes, respectively, to obtain data to be sent of at least two capability levels.
  • a modulation module configured to modulate the data information to be sent based on at least two modulation modes, respectively, to obtain data to be sent of at least two capability levels.
  • the terminal device 100 includes a transmitting terminal device, the data of the at least two capability levels includes: sideline data of the at least two capability levels, and the first indication information is generated by the side
  • the line control information is carried by the SCI.
  • the sending module 210 sends the data of the at least two capability levels in a multicast manner or a broadcast manner.
  • the network device 200 further includes: a modulation module, configured to modulate the data information to be sent based on at least two modulation modes, respectively, to obtain data to be sent of at least two capability levels.
  • a modulation module configured to modulate the data information to be sent based on at least two modulation modes, respectively, to obtain data to be sent of at least two capability levels.
  • the data of the at least two capability levels includes: broadcast data of the at least two capability levels, and the first indication information is carried by downlink control information.
  • an embodiment of the present application further provides a terminal device 300. Referring to FIG. 8, it includes:
  • the first receiving module 310 is configured to receive first indication information, where the first indication information includes capability level information corresponding to data of at least two capability levels, respectively;
  • the second receiving module 320 is configured to receive data of one capability level among the data of the at least two capability levels according to the capability level information and the first parameter information respectively corresponding to the data of the at least two capability levels.
  • the data of the at least two capability levels correspond to different receiving and demodulating capabilities;
  • the first parameter information includes: receiving and demodulating capabilities of the terminal device;
  • the receiving and demodulating ability is equal to or higher than the receiving and demodulating ability of the data received by the terminal device.
  • the data of the at least two capability levels correspond to different channel environmental conditions;
  • the first parameter information includes: information about the channel environmental conditions in which the terminal device is located; the terminal The channel environment condition where the device is located is equal to or higher than (or better than) the channel environment condition corresponding to the data received by the terminal device.
  • the terminal device 300 further includes: a determining module, configured to determine the channel where the terminal device is located according to the ratio SINR of the signal strength of the current channel environment to the interference plus noise strength Environmental conditions.
  • the first indication information further includes the time-frequency domain position of the data of the at least two capability levels.
  • the data of the at least two capability levels includes: sideline data of the at least two capability levels, and the first indication information is carried by the sideline control information SCI.
  • the data of the at least two capability levels includes: broadcast data of the at least two capability levels, and the first indication information is carried by downlink control information.
  • the terminal device 100, network device 200, and terminal device 300 of the embodiments of the present application can implement the corresponding functions of the terminal device in the foregoing method embodiment, and the corresponding processes of the respective modules (submodules, units or components, etc.) they contain
  • the respective modules submodules, units or components, etc.
  • beneficial effects please refer to the corresponding descriptions in the foregoing method embodiments, which will not be repeated here.
  • each module (sub-module, unit or component, etc.) in the terminal device 100, network device 200, and terminal device 300 in the embodiments of the present application can be composed of different modules (sub-modules, units or components). Etc.), it can also be implemented by the same module (sub-module, unit or component, etc.).
  • the first receiving module and the second receiving module can be different modules or the same module, both of which can be implemented Corresponding functions of the terminal device in the embodiment of this application.
  • Fig. 9 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device 600 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 in 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, it 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 antennas may be one or more.
  • the communication device 600 may be a network device of an embodiment of the present application, and the communication device 600 may implement corresponding processes implemented by the network device in each method of the embodiments of the present application. For brevity, details are not described herein again.
  • the communication device 600 may be a terminal device of an embodiment of the present application, and the communication device 600 may implement corresponding procedures implemented by the terminal device in each method of the embodiments of the present application. For brevity, details are not described herein again.
  • FIG. 10 is a schematic structural diagram of a chip 700 according to an embodiment of the present application, where the chip 700 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in 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 in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of this application as shown in FIG. 7, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of this application. For brevity, it will not be repeated here. .
  • the chip can be applied to the terminal device in the embodiments of the present application as shown in FIG. 6 and FIG. 8, and the chip can implement the corresponding procedures implemented by the terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding procedures implemented by the terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding procedures implemented by the terminal device in each method of the embodiments of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the aforementioned processors can be general-purpose processors, digital signal processors (digital signal processors, DSP), ready-made programmable gate arrays (field programmable gate arrays, FPGAs), application specific integrated circuits (ASICs), or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processors
  • FPGA field programmable gate arrays
  • ASIC application specific integrated circuits
  • the aforementioned general-purpose processor may be a microprocessor or any conventional processor.
  • the above-mentioned memory may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (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 connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • FIG. 11 is a schematic block diagram of a communication system 800 according to an embodiment of the present application.
  • the communication system 800 includes a terminal device 810 and a network device 820.
  • the terminal device 810 can be used to implement the corresponding functions implemented by the terminal device in the methods of the various embodiments of the present application
  • the network device 820 can be used to implement the corresponding functions implemented by the network device in the methods of the various embodiments of the present application. Function. For the sake of brevity, I will not repeat them here.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instruction may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instruction may be transmitted from a website, computer, server, or data center through a cable (Such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.

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

Abstract

L'invention concerne un procédé de transmission de données, un dispositif terminal et un dispositif réseau. Le procédé comprend les étapes suivantes : un premier dispositif de communication envoie au moins deux types de niveaux de capacité de données et des premières informations d'indication à un ou plusieurs dispositifs terminaux, les premières informations d'indication comprenant des informations de niveaux de capacité correspondant respectivement à au moins deux types de niveaux de capacité de données. Les modes de réalisation de l'invention permettent d'améliorer l'efficacité de la transmission de données.
PCT/CN2020/084802 2020-04-14 2020-04-14 Procédé de transmission de données, dispositif terminal et dispositif réseau WO2021207946A1 (fr)

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PCT/CN2020/084802 WO2021207946A1 (fr) 2020-04-14 2020-04-14 Procédé de transmission de données, dispositif terminal et dispositif réseau
CN202080093180.6A CN114982178A (zh) 2020-04-14 2020-04-14 数据传输方法、终端设备和网络设备

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JP2020529751A (ja) * 2017-06-16 2020-10-08 オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． データ伝送方法、端末装置及びネットワーク機器
CN110012541B (zh) * 2018-01-05 2023-05-09 中国移动通信有限公司研究院 终端能力等级调整方法、网络侧设备及终端
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CN109981233A (zh) * 2017-12-27 2019-07-05 华为技术有限公司 一种数据的传输方法、通信设备和网络设备
CN110267227A (zh) * 2018-03-12 2019-09-20 华为技术有限公司 一种数据传输方法、相关设备及系统
US20190363843A1 (en) * 2018-05-27 2019-11-28 Brian Gordaychik Next generation radio technologies

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