WO2020103028A1 - Procédé de transmission de données et dispositif terminal - Google Patents

Procédé de transmission de données et dispositif terminal

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Publication number
WO2020103028A1
WO2020103028A1 PCT/CN2018/116684 CN2018116684W WO2020103028A1 WO 2020103028 A1 WO2020103028 A1 WO 2020103028A1 CN 2018116684 W CN2018116684 W CN 2018116684W WO 2020103028 A1 WO2020103028 A1 WO 2020103028A1
Authority
WO
WIPO (PCT)
Prior art keywords
data channel
dci
data
terminal device
same
Prior art date
Application number
PCT/CN2018/116684
Other languages
English (en)
Chinese (zh)
Inventor
陈文洪
史志华
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/CN2018/116684 priority Critical patent/WO2020103028A1/fr
Priority to CN201980045652.8A priority patent/CN112449761B/zh
Priority to PCT/CN2019/070815 priority patent/WO2020103316A1/fr
Publication of WO2020103028A1 publication Critical patent/WO2020103028A1/fr

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Classifications

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

Definitions

  • the embodiments of the present application relate to the communication field, and in particular, to a data transmission method and terminal device.
  • network devices can schedule different transmission points (Transmission / Reception Point, TRP) to transmit the same data at the same time to improve transmission reliability. Since the data at different transmission points are the same, the data transmitted by different TRPs can use the same Hybrid Automatic Repeat Request (HARQ) process. However, for the terminal device, it is impossible to distinguish whether the data in the same HARQ process scheduled by the network device through different (Downlink Control, Information, DCI) is a repeated transmission of the same data or two different data. In this case, how the terminal device distinguishes whether the network side schedules the same data or different data so as to correctly transmit and receive is an urgent problem to be solved.
  • TRP Transmission / Reception Point
  • Embodiments of the present application provide a data transmission method and terminal device, which can ensure that the terminal device correctly transmits and receives data to improve data transmission performance.
  • a method for transmitting data including: a terminal device detecting first downlink control information DCI and a second DCI, wherein the first DCI is used to schedule a first data channel, and the second DCI Used to schedule a second data channel; the terminal device determines the relationship between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI; the terminal device The relationship between the first data channel and the second data channel is to send or receive the first data channel and / or the second data channel.
  • a terminal device for performing the method in the first aspect or any possible implementation manner of the first aspect.
  • the terminal device includes a unit for performing the method in the first aspect or any possible implementation manner of the first aspect.
  • a terminal device in a third aspect, includes: a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or the various implementations thereof.
  • a chip is provided for implementing the method in the above first aspect or each implementation manner thereof.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the method as described in the first aspect or various implementations thereof.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in the first aspect or its various implementations.
  • a computer program product including computer program instructions, which cause the computer to execute the method in the first aspect or its various implementations.
  • a computer program which when run on a computer, causes the computer to execute the method in the first aspect or its various implementations.
  • the terminal device can determine whether the data channels scheduled by the multiple DCIs carry the same data according to the transmission resources of the multiple DCIs, which can ensure that the terminal devices correctly send and receive data to improve data transmission performance.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a data transmission method provided by an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a terminal device according to another embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access, WiMAX
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNodeB evolved base station in an LTE system
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-veh
  • the communication system 100 also includes at least one terminal device 120 within the coverage of the network device 110.
  • terminal equipment includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections ; And / or another data connection / network; and / or via wireless interfaces, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Lines
  • WLAN wireless local area networks
  • digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS Personal Communication Systems
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or User device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, terminal devices in a 5G network, or terminal devices in a future-evolving PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • terminal equipment 120 may perform terminal direct connection (Device to Device, D2D) communication.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • the devices with communication functions in the network / system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
  • the terminal device reports NACK for a certain downlink data in the report of Acknowledgement (ACK) / Negative Acknowledgement (NACK), or if the network device does not detect the uplink data, the network The device needs to schedule the retransmission of the data through DCI, and the retransmission and initial transmission can use the same HARQ process. After the retransmission data is correctly detected, the HARQ process can be released, so that the network device can schedule new data transmission on the HARQ process.
  • ACK Acknowledgement
  • NACK Negative Acknowledgement
  • the network device can schedule different transmission points (Transmission / Reception Point, TRP) to transmit the same data at the same time, and the transmission reliability is improved by repeatedly sending the same data. Because the data transmitted by different TRPs is the same, the same HARQ process can also be used. In this case, for the terminal device, it is impossible to distinguish that the data in the same HARQ process scheduled by the network device through two DCIs is a repetition of the same data The transmission is still two different data (that is, the latter data is a new data schedule). Therefore, the terminal device cannot combine the data scheduled by the two DCIs, which affects the transmission performance.
  • TRP Transmission / Reception Point
  • the embodiments of the present application provide a data transmission method.
  • the terminal device may determine the relationship between the data channels scheduled by the two DCIs according to the transmission resources of the two DCIs sent by the network device, so as to The data channels scheduled by the two DCIs are processed accordingly. For example, when the data carried in the data channels scheduled by the two DCIs are the same, the data channels scheduled by the two DCIs are combined, demodulated or combined Feedback, etc., help to improve transmission performance.
  • FIG. 2 is a schematic flowchart of a data transmission method according to an embodiment of the present application. The method may be executed by a terminal device in the communication system shown in FIG. 1. As shown in FIG. 2, the method 200 includes:
  • the terminal device detects first downlink control information DCI and second DCI, where the first DCI is used to schedule a first data channel and the second DCI is used to schedule a second data channel;
  • the terminal device determines the relationship between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI;
  • the terminal device sends or receives the first data channel and / or the second data channel according to the relationship between the first data channel and the second data channel.
  • the first DCI and the second DCI are two adjacent DCIs that schedule the HARQ process. That is, no other DCI schedules data in the HARQ process between the first DCI and the second DCI.
  • HARQ process indication information may be included in the first DCI and the second DCI, and HARQ process indication information included in the first DCI and the second DCI indicates the same HARQ process.
  • the DCI may include 4-bit HARQ process indication information for indicating one HARQ process among 16 HARQ processes, and the 4-bit HARQ process indication information in the first DCI and the second DCI may indicate the same value.
  • the data channels scheduled by the first DCI and the second DCI both carry new data transmission. That is, the data carried in the data channels scheduled by the first DCI and the second DCI are both transmitted for the first time rather than retransmitted.
  • the DCI may include new data (New Data Indicator, NDI) indication information, used to indicate whether the data channel scheduled by the DCI is used to carry new data.
  • new data New Data Indicator, NDI
  • NDI New Data Indicator
  • the DCI may include 1-bit NDI indication information, and different values of the 1-bit NDI indication information are used for whether the data channel scheduled by the DCI is used to carry new data or retransmit data, for example, the 1-bit NDI indication When the information is set to 1, it indicates new data, and when it is set to 0, data is retransmitted.
  • the value of the NDI indication information included in the first DCI and the second DCI may both be 1, indicating that the data channel scheduled by the DCI is used to carry new data transmission.
  • the transmission resources of the first DCI and the second DCI may be, for example, time domain resources, frequency domain resources, and control resource sets of the first DCI and the second DCI.
  • CORESET CORESET
  • search space or beam or other resources that can be used to transmit DCI.
  • the relationship between the first data channel and the second data channel may include at least one of the following:
  • spatial transmission filters spatial transmission filters
  • beams used by the first data channel and the second data channel are the same;
  • the first data channel and the second data channel report ACK / NACK through the same ACK / NACK feedback information.
  • reporting the ACK / NACK feedback information of the first data channel and the second data channel together may mean that the ACK / NACK feedback information corresponding to the first data channel and the second data channel is performed through the same message Whether to report through the same feedback information is not limited, that is, the message may include independent ACK / NACK feedback information for the two data channels, or the same ACK / NACK feedback information.
  • S220 may include at least one of the following:
  • Example 3 According to the time interval between the first DCI and the second DCI, or the control resource set CORESET where the first DCI and the second DCI are located, or where the first DCI and the second DCI are located Search space to determine whether the first data channel and the second data channel are determined / negated to determine whether ACK / NACK feedback information is reported together, which is recorded as Example 3;
  • the first data channel and the second data channel report ACK / NACK through the same ACK / NACK feedback information, which is recorded as an embodiment 4.
  • the terminal device may be based on the time interval between the first DCI and the second DCI, or the control resource set CORESET where the first DCI and the second DCI are located, or the The search space where the first DCI and the second DCI are located determines whether the data carried in the first data channel and the second data channel are the same.
  • the terminal device may determine the data carried in the first data channel and the second data channel according to the time interval during which the terminal device detects the first DCI and the second DCI Is it the same?
  • the terminal device may determine that the data carried in the first data channel and the second data channel are the same when the time interval between detecting the first DCI and detecting the second DCI is less than or equal to the first threshold; When the time interval between the DCI and the detection of the second DCI is greater than the first threshold, it is determined that the data carried in the first data channel and the second data channel are different.
  • the first threshold may be N time slots, or M symbols, etc., where N and M are positive integers.
  • the first threshold may be preset on the terminal device, for example, the first threshold specified in the protocol may be preset on the terminal device; or the first threshold may also be configured by the network device
  • the network device can configure the terminal device through high-layer signaling, such as radio resource control (Radio Resource Control, RRC) signaling, or physical layer signaling, such as physical downlink control channel (Physical Downlink Control Channel, PDCCH).
  • RRC Radio Resource Control
  • PDCCH Physical Downlink Control Channel
  • the time interval may be in units of time slots or Orthogonal Frequency-division Multiplexing (OFDM) symbols, that is, the time interval may be one or more time slots, or it may also be For one or more symbols. It should be understood that the time interval may also be measured in other time units, which is not specifically limited in the embodiments of the present application.
  • OFDM Orthogonal Frequency-division Multiplexing
  • the terminal device may determine whether the time units of detecting the first DCI and the second DCI are the same time unit to determine the bearers in the first data channel and the second data channel Whether the data is the same.
  • the terminal device may determine that the data carried in the first data channel and the second data channel are the same when the time unit detecting the first DCI and the second DCI are the same time unit, otherwise, determining the first data The data carried in the channel and the second data channel are different.
  • the one time unit may be one or more time slots, or may also be one or more symbols, then the same time unit may be the same time slot, the same symbol, or the like.
  • the terminal device determines that the data scheduled by the two DCIs are the same.
  • the data is combined for processing, for example, combined demodulation or combined feedback, so as to save transmission resources and improve transmission performance.
  • the terminal device may determine the data carried in the first data channel and the second data channel according to the CORESET and / or search space where the first DCI and the second DCI are located Is it the same?
  • the terminal device may determine that the data carried in the first data channel and the second data channel are different when the first DCI and the second DCI are transmitted in the same CORESET, otherwise, determine the first data channel and the second The data carried in the data channel is the same.
  • the terminal device may determine that the data carried in the first data channel and the second data channel are different when the first DCI and the second DCI are transmitted in the same search space, otherwise, determine the first data channel and The data carried in the second data channel is the same.
  • the terminal device may determine whether the spatial transmission filters used by the first data channel and the second data channel are the same according to the time interval between the first DCI and the second DCI .
  • the terminal device may determine the spatial filtering used by the spatial transmission filter used by the first data channel and the second data channel It is the same; when the time interval between detecting the first DCI and detecting the second DCI is greater than the second threshold, it is determined that the spatial transmission filter used by the first data channel and the second data channel is different in spatial filter.
  • the terminal device may be based on the time interval between the first DCI and the second DCI, or the control resource set CORESET where the first DCI and the second DCI are located, or the The search space where the first DCI and the second DCI are located determines whether the determination / negation of the first data channel and the second data channel determines whether ACK / NACK feedback information is reported together.
  • the ACK / NACK feedback information of the two data channels here can be reported together through the same physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) resource.
  • PUSCH Physical Uplink Shared Channel
  • the ACK / NACK feedback of the two data channels Not reporting the information together may refer to reporting corresponding ACK / NACK separately through different PUSCH resources.
  • the terminal device may determine the first data channel and the second data channel when the time interval between detecting the first DCI and detecting the second DCI is less than or equal to a third threshold ACK / NACK feedback information is reported together, or when the time interval between detecting the first DCI and detecting the second DCI is greater than a third threshold, it is determined that the ACK / NACK feedback information of the first data channel and the second data channel are not together Escalate.
  • the terminal device may determine the time unit of the first data channel and the second data channel when the time unit for detecting the first DCI and the second DCI are the same time unit ACK / NACK feedback information is reported together, or, when the time units for detecting the first DCI and the second DCI are different time units, it is determined that the ACK / NACK feedback information for the first data channel and the second data channel are not together Escalate.
  • the terminal device may determine the first data channel and the second data channel when the CORESET where the first DCI and the second DCI are located is the same CORESET The ACK / NACK feedback information is reported together, otherwise, it is determined that the ACK / NACK feedback information of the first data channel and the second data channel are not reported together.
  • the terminal device may determine ACK / NACK feedback information of the first data channel and the second data channel when the first DCI and the second DCI are in the same search space Report together, otherwise, it is determined that the ACK / NACK feedback information of the first data channel and the second data channel are not reported together.
  • the terminal device may determine whether the first data channel and the second data channel are fed back through the same ACK / NACK according to the time interval between the first DCI and the second DCI Information is reported to ACK / NACK.
  • the terminal device may determine the first data channel and the second data channel when the time interval between detecting the first DCI and detecting the second DCI is less than or equal to a fourth threshold ACK / NACK is reported through the same ACK / NACK feedback information, or when the time interval between detecting the first DCI and the second DCI is greater than the fourth threshold, determining the ACK / NACK of the first data channel and the second data channel Not reported through the same ACK / NACK feedback information.
  • the ACK / NACK of the two data channels is reported through the same ACK / NACK feedback information, which refers to that only one ACK / NACK information is reported for the two data channels. For example, if one of the data channels is demodulated correctly, ACK can be reported; otherwise, NACK can be reported.
  • the ACK / NACK of the two data channels is not reported through the same ACK / NACK feedback information, and a pointer can be used to report one ACK / NACK information to the two data channels respectively. For example, if the first data channel is correctly demodulated, ACK can be reported for the first data channel, otherwise NACK is reported, and the same is true for the second data channel.
  • the terminal device may determine the first DCI when the time interval between detecting the first DCI and the second DCI is less than or equal to the first threshold, and the first DCI and the second DCI are transmitted in different CORESET or search spaces
  • the data carried in the data channel and the second data channel are the same; otherwise, it is determined that the data carried in the first data channel and the second data channel are different.
  • the first data channel scheduled by the first DCI may be an uplink data channel, for example, PUSCH, or may be a downlink data channel, for example, a physical downlink shared channel (Physical Downlink Shared Channel) Shared (Channel, PDSCH), etc.
  • PUSCH Physical Downlink Shared Channel
  • PDSCH Physical Downlink Shared Channel
  • the second data channel scheduled by the second DCI may also be an uplink data channel, such as PUSCH, or a downlink data channel, such as PDSCH.
  • the relationship between the first data channel and the second data channel may exist in the following four cases:
  • Case 1 Both the first data channel and the second data channel are downlink data channels, and the data carried in the first data channel and the second data channel are the same.
  • the terminal device may perform combined demodulation on the first data channel and the second data channel, so as to increase the probability of successful demodulation, thereby improving transmission performance.
  • the terminal device may report only one piece of feedback information, such as ACK or NACK, for the first data channel and the second data channel, thereby reducing feedback overhead.
  • the terminal device may transmit the feedback information according to the control information in the DCI that was recently received in the first DCI and the second DCI.
  • the terminal device may report an ACK, or, if the terminal device does not correctly detect the first data Any one of the channel and the second data channel, the terminal device may report NACK.
  • Case 2 Both the first data channel and the second data channel are downlink data channels, and the data carried in the first data channel and the second data channel are different.
  • the terminal device may separately demodulate the first data channel and the second data channel, and further report the ACK / NACK corresponding to each data channel.
  • the terminal device can generate the same data and transmit it through the first data channel and the second data channel, respectively.
  • the terminal device may obtain the data in the second data channel according to the data in the first data channel.
  • the terminal device may use different antenna panels to send the first data channel and the second data channel, which is beneficial to ensure the reliability of data transmission and thereby improve data transmission performance.
  • Case 4 Both the first data channel and the second data channel are uplink data channels, and the data carried in the first data channel and the second data channel are different.
  • the terminal device can generate different data and transmit them through the first data channel and the second data channel, respectively.
  • the terminal device may generate new data when generating data in the second data channel.
  • the terminal device may use different or the same antenna panel to send the first data channel and the second data channel.
  • one of the first data channel and the second data channel may be an uplink data channel and the other is a downlink data channel.
  • the terminal device only needs to The data carried in the first data channel and the second data channel can be processed separately, which will not be repeated here.
  • the terminal device adopts different configurations, for example, modulation and coding scheme (Modulation and Coding Scheme, MCS), At least one of the physical layer resource configuration and the beam transmits or receives the first data channel and the second data channel, so that the reliability of data transmission can be improved.
  • modulation and coding scheme Modulation and Coding Scheme, MCS
  • the physical layer resource configuration here may refer to time domain resource configuration or frequency domain resource configuration.
  • the time domain resource configuration may be a resource mapping type
  • the frequency domain resource configuration may be a physical resource block (Physical Resource Block, PRB) occupied by a data channel.
  • PRB Physical Resource Block
  • the terminal device can determine whether the data channels scheduled by the multiple DCIs carry the same data according to the transmission resources of the multiple DCIs, so that the terminal device can carry the same data
  • the same data is combined, for example, combined demodulation or combined feedback, so as to improve data transmission performance.
  • FIG. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present application. As shown in FIG. 3, the terminal device 300 includes:
  • the communication module 310 is configured to detect the first downlink control information DCI and the second DCI, wherein the first DCI is used to schedule the first data channel, and the second DCI is used to schedule the second data channel;
  • the determining module 320 is configured to determine the relationship between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI;
  • the communication module 310 is further configured to send or receive the first data channel and / or the second data channel according to the relationship between the first data channel and the second data channel.
  • the HARQ process indication information included in the first DCI and the second DCI indicates the same HARQ process.
  • the first DCI and the second DCI are two adjacent DCIs that schedule data channels in the HARQ process.
  • the data channels scheduled by the first DCI and the second DCI both carry new data transmission.
  • the determination module 320 is also used for at least one of the following:
  • the time interval between the first DCI and the second DCI determine whether the first data channel and the second data channel report ACK / NACK through the same ACK / NACK feedback information.
  • the determination module 320 is specifically configured to:
  • the time interval between detecting the first DCI and detecting the second DCI is greater than a first threshold, it is determined that the data carried in the first data channel and the second data channel are different.
  • the determination module 320 is further used to:
  • the terminal device detects that the first DCI and the second DCI are located in the same time slot or symbol, it is determined that the data carried in the first data channel and the second data channel are the same; and / or
  • the terminal device detects that the first DCI and the second DCI are located in different time slots or symbols, it is determined that the data carried in the first data channel and the second data channel are different.
  • the time interval is in units of time slots or symbols.
  • the determination module 320 is specifically configured to:
  • first DCI and the second DCI are in the same CORESET or search space, it is determined that the data carried in the first data channel and the second data channel are different.
  • the communication module 320 is specifically used to:
  • the terminal device uses at least one of different modulation and coding schemes MCS, physical layer resource configuration, spatial domain transmission filter and beam, Sending or receiving the first data channel and the second data channel.
  • MCS modulation and coding schemes
  • the terminal device 300 further includes:
  • a processing module configured to: if both the first data channel and the second data channel are downlink data channels, and the data carried in the first data channel and the second data channel are the same, the terminal device pair After the first data channel and the second data channel are combined, demodulation processing is performed.
  • the determining module 320 is further configured to:
  • the feedback information reported to the first data channel and the second data channel is determined according to the relationship between the data carried in the first data channel and the second data channel.
  • the determination module 320 is specifically configured to:
  • the data carried in the first data channel and the second data channel are different, it is determined to report corresponding ACK / NACK feedback information to the first data channel and the second data channel respectively.
  • the determination module 320 is further used to:
  • the ACK / NACK feedback information of the first data channel and the second data channel is reported together, the ACK / NACK of the first data channel and the second data channel is reported through the same physical uplink control channel PUCCH resource Feedback information; and / or
  • the ACK / NACK feedback information of the first data channel and the second data channel are not reported together, the ACK / NACK feedback information of the first data channel and the second data channel are reported through different PUCCH resources.
  • the determination module 320 is further used to:
  • first data channel and the second data channel report ACK / NACK through the same ACK / NACK feedback information, determine an ACK / NACK based on the detection results of the first data channel and the second data channel Feedback information; and / or
  • first data channel and the second data channel do not report ACK / NACK through the same ACK / NACK feedback information, according to the detection results of the first data channel and the second data channel, report independent ACK / NACK feedback information.
  • the communication module 310 is further used to:
  • the terminal device sends the data through different antenna panels The first data channel and the second data channel.
  • terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and / or functions of each unit in the terminal device 300 are respectively for implementing the method shown in FIG. 2
  • the corresponding process of the terminal device in 200 will not be repeated here.
  • the terminal device can determine whether the data channels scheduled by the multiple DCIs carry the same data according to the transmission resources of the multiple DCIs, so that the terminal device can handle the same data when carrying the same data. Do combined processing of data, such as combined demodulation or combined feedback, etc., so as to improve data transmission performance.
  • FIG. 4 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 4 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiments of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments 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, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a mobile terminal / terminal device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiment of the present application, for simplicity , Will not repeat them here.
  • FIG. 5 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 5 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 can call and run a computer program from the memory 720 to implement the method in the embodiments 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. Specifically, it 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. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application. No longer.
  • chips mentioned in the embodiments of the present application may also be referred to as system-on-chips, system chips, chip systems, or system-on-chip chips.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erasable programmable read only memory (Electrically, EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments 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) 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 memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
  • the computer program product may be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application, For brevity, I will not repeat them here.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. , Will not repeat them here.
  • the computer program can be applied to the mobile terminal / terminal device in the embodiments of the present application.
  • the computer program runs on the computer, the computer is implemented by the mobile terminal / terminal device in performing various methods of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a division of logical functions.
  • there may be other divisions for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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

Abstract

L'invention concerne un procédé de transmission de données et un dispositif terminal destinés à être utilisés pour améliorer les performances de transmission de données. Le procédé comprend les étapes au cours desquelles : un dispositif terminal détecte des premières informations de commande de liaison descendante (DCI) et des secondes DCI, les premières DCI servant à programmer un premier canal de données et les secondes DCI un second canal de données ; le dispositif terminal détermine une relation entre les premier et second canaux de données en fonction des ressources de transmission des premières et secondes DCI ; et le dispositif terminal envoie ou reçoit le premier et/ou le second canal de données en fonction de la relation entre les premier et second canaux de données.
PCT/CN2018/116684 2018-11-21 2018-11-21 Procédé de transmission de données et dispositif terminal WO2020103028A1 (fr)

Priority Applications (3)

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PCT/CN2018/116684 WO2020103028A1 (fr) 2018-11-21 2018-11-21 Procédé de transmission de données et dispositif terminal
CN201980045652.8A CN112449761B (zh) 2018-11-21 2019-01-08 一种传输数据的方法和终端设备
PCT/CN2019/070815 WO2020103316A1 (fr) 2018-11-21 2019-01-08 Procédé de transmission de données et dispositif terminal

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CN112449761A (zh) 2021-03-05
WO2020103316A1 (fr) 2020-05-28

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