WO2019161549A1 - 下行控制信息传输方法、终端设备和网络设备 - Google Patents
下行控制信息传输方法、终端设备和网络设备 Download PDFInfo
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- WO2019161549A1 WO2019161549A1 PCT/CN2018/077071 CN2018077071W WO2019161549A1 WO 2019161549 A1 WO2019161549 A1 WO 2019161549A1 CN 2018077071 W CN2018077071 W CN 2018077071W WO 2019161549 A1 WO2019161549 A1 WO 2019161549A1
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- dci
- domain resource
- resource indication
- dci format
- csi report
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
- H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Definitions
- the present application relates to the field of communications, and more specifically, to a downlink control information transmission method, a terminal device, and a network device.
- the Ultra-Reliable and Low Latency Communication (URLLC) service is introduced in the 5th Generation of New Radio (5G NR) communication system.
- the URLLC service is characterized by extremes. In order to achieve this goal within the time delay (for example, 1ms), the URLLC service requires not only high reliability of data transmission, but also high reliability of control information transmission. .
- the embodiment of the present application provides a downlink control information transmission method, a terminal device, and a network device, which can improve transmission reliability of DCI (for example, DCI for scheduling URLLC service).
- DCI for example, DCI for scheduling URLLC service
- the embodiment of the present application provides a downlink control information transmission method, including:
- the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, where the configuration information corresponds to a DCI format.
- the configuration information includes time domain resource indication information, a channel state information (CSI) report set, a frequency domain resource indication type, and a frequency domain resource indication granularity. At least one of them.
- CSI channel state information
- the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, including:
- the terminal device parses the time domain resource and/or the frequency domain resource and/or the CSI report of the data scheduled to be transmitted by the first DCI according to the DCI format of the first DCI and the configuration information.
- the DCI format comprises a compressed DCI format and/or a conventional DCI format.
- the configuration information includes first time domain resource indication information and second time domain resource indication information, where the first time domain resource indication information corresponds to a compressed DCI format, The second time domain resource indication information corresponds to a conventional DCI format;
- the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, including:
- the terminal device determines, according to the value of the time domain resource indication field in the first DCI and the first time domain resource indication information, the data scheduled to be transmitted by the first DCI. Time domain resource location; or
- the terminal device determines, according to the value of the time domain resource indication field in the first DCI and the second time domain resource indication information, the data scheduled to be transmitted by the first DCI. The location of the time domain resource.
- the time domain resource indicated by the first time domain resource indication information includes a subframe in which the first DCI is located, or includes a subframe in which the first DCI is located. The next subframe of the subframe in which the first DCI is located; or
- the number of time domain resource configurations indicated by the first time domain resource indication information is smaller than the number of time domain resource configurations indicated by the second time domain resource indication information.
- the configuration information includes a first CSI report set and a second CSI report set, where the first CSI report set corresponds to a compressed DCI format, and the second CSI report set Corresponding to the conventional DCI format;
- the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, including:
- the terminal device determines, according to the value of the CSI report indication field in the first DCI and the first CSI report set, a CSI report of the data scheduled to be transmitted by the first DCI. ;or
- the terminal device determines, according to the value of the CSI report indication field in the first DCI and the second CSI report set, a CSI report of the data scheduled to be transmitted by the first DCI. .
- the first set of CSI reports includes an aperiodic CSI report
- the first CSI report set includes a CSI report that is less than a first threshold between an interval at which the CSI is reported and a time at which the first DCI is received; or
- the number of CSI reports included in the second CSI report set is greater than the number of CSI reports included in the first CSI report set, or
- the second CSI report set includes a semi-statically triggered periodic CSI report, or
- the number of bits occupied by the trigger signaling of the CSI report included in the second CSI report set is greater than the number of bits occupied by the trigger signaling of the CSI report included in the first CSI report set.
- the configuration information includes a first frequency domain resource indication granularity and a second frequency domain resource indication granularity, where the first frequency domain resource indicates granularity corresponding compression a DCI format, the second frequency domain resource indicating granularity corresponds to a conventional DCI format;
- the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, including:
- the terminal device determines a frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the first frequency domain resource indication granularity; or
- the terminal device determines a frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the second frequency domain resource indication granularity.
- the frequency domain granularity of the first frequency domain resource indication granularity indication is greater than the frequency domain granularity indicated by the second frequency domain resource indication granularity.
- the configuration information includes a first frequency domain resource indication type and a second frequency domain resource indication type, where the second frequency domain resource indication type corresponds to a compressed DCI format, The first frequency domain resource indication type and the second frequency domain resource indication type correspond to a conventional DCI format;
- the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, including:
- the terminal device determines, according to the domain value of the first DCI and the second frequency domain resource indication type, a frequency domain resource of data scheduled to be transmitted by the first DCI; or
- the terminal device determines the first according to the domain value of the first DCI, and the first frequency domain resource indication type and/or the second frequency domain resource indication type.
- the frequency domain resource of the data transmitted by the DCI is not limited to the domain value of the first DCI, and the first frequency domain resource indication type and/or the second frequency domain resource indication type.
- the first DCI is used to schedule a URLLC service.
- the method before the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, the method further includes:
- the terminal device receives the configuration information sent by the network device.
- the terminal device receives the configuration information sent by the network device, including:
- the terminal device receives the configuration information sent by the network device by using high layer signaling.
- the embodiment of the present application provides a downlink control information transmission method, including:
- the network device sends configuration information to the terminal device, where the configuration information corresponds to a DCI format
- the network device sends the first DCI to the terminal device, so that the terminal device parses the first DCI according to the DCI format of the first DCI and the configuration information.
- the configuration information includes at least one of a time domain resource indication information, a CSI report set, a frequency domain resource indication type, and a frequency domain resource indication granularity.
- the DCI format comprises a compressed DCI format and/or a conventional DCI format.
- the configuration information includes first time domain resource indication information and second time domain resource indication information, where the first time domain resource indication information corresponds to a compressed DCI format,
- the second time domain resource indication information corresponds to a conventional DCI format.
- the time domain resource indicated by the first time domain resource indication information includes a subframe in which the first DCI is located, or includes a subframe in which the first DCI is located. The next subframe of the subframe in which the first DCI is located; or
- the number of time domain resource configurations indicated by the second time domain resource indication information is smaller than the number of time domain resource configurations indicated by the third time domain resource indication information.
- the configuration information includes a first CSI report set and a second CSI report set, where the first CSI report set corresponds to a compressed DCI format, and the second CSI report set Corresponds to the conventional DCI format.
- the first set of CSI reports includes an aperiodic CSI report
- the first CSI report set includes a CSI report that is less than a first threshold between an interval at which the CSI is reported and a time at which the first DCI is received; or
- the number of CSI reports included in the second CSI report set is greater than the number of CSI reports included in the first CSI report set, or
- the second CSI report set includes a semi-statically triggered periodic CSI report, or
- the number of bits occupied by the trigger signaling of the CSI report included in the second CSI report set is greater than the number of bits occupied by the trigger signaling of the CSI report included in the first CSI report set.
- the configuration information includes a first frequency domain resource indication granularity and a second frequency domain resource indication granularity, where the first frequency domain resource indicates granularity corresponding compression
- the second frequency domain resource indicates that the granularity corresponds to a conventional DCI format.
- the frequency domain granularity indicated by the first frequency domain resource indication granularity is greater than the frequency domain granularity indicated by the second frequency domain resource indication granularity.
- the configuration information includes a first frequency domain resource indication type and a second frequency domain resource indication type, where the second frequency domain resource indication type corresponds to a compressed DCI format.
- the first frequency domain resource type and the second frequency domain resource indication type correspond to a conventional DCI format.
- the first DCI is used to schedule a URLLC service.
- the network device sends the configuration information to the terminal device, including:
- the network device sends the configuration information to the network device by using high layer signaling.
- a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
- the terminal device comprises functional modules for performing the method of the first aspect or any of the possible implementations of the first aspect described above.
- a network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
- the network device comprises functional modules for performing the method of any of the possible implementations of the second aspect or the second aspect described above.
- a terminal device including a processor, a memory, and a transceiver.
- the processor, the memory, and the transceiver communicate with each other through an internal connection path, transmitting control and/or data signals, such that the terminal device performs any of the above first aspect or any possible implementation of the first aspect The method in .
- a network device including a processor, a memory, and a transceiver.
- the processor, the memory, and the transceiver communicate with each other through an internal connection path, transmitting control and/or data signals, such that the network device performs any of the second or second aspects of the foregoing possible implementations The method in .
- a computer readable medium for storing a computer program, the computer program comprising instructions for performing the above method or any possible implementation.
- a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of the above method or any possible implementation.
- the terminal device may parse the first DCI according to the DCI format of the first DCI and the configuration information corresponding to the DCI format, so that the flexibility, effectiveness, and adaptability of the time-frequency resource may be optimized. Reduce signaling overhead and improve transmission reliability of DCI.
- FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
- FIG. 2 is a schematic flowchart of a downlink control information transmission method according to an embodiment of the present application.
- FIG. 3 is a schematic flowchart of another downlink control information transmission method according to an embodiment of the present application.
- FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
- FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
- FIG. 6 is a schematic block diagram of an apparatus for wireless communication provided by an embodiment of the present application.
- FIG. 7 is a schematic structural diagram of a system chip 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
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- 5G system also known as new Air (NR) system, etc.
- the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
- Communication device user agent or user device.
- the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- Functional handheld device computing device or other processing device connected to a wireless modem, in-vehicle device, wearable device, terminal device in a 5G network or terminal in a future evolved public land mobile network (PLMN)
- PLMN public land mobile network
- the present application describes various embodiments in connection with a network device.
- the network device in the embodiment of the present application may be a device for communicating with the terminal device, where the network device may be an evolved base station (Evolutional NodeB, eNB or eNodeB) in the LTE system, or may be a cloud wireless access network (Cloud A radio controller in a Radio Access Network (CRAN) scenario, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, a Next Generation Evolutional NodeB (NG-eNB), and a 5G network.
- the embodiment of the present application is not limited in the case of an access network device (for example, gNB) or an access network device in a publicly-developed public land mobile network (PLMN) network.
- PLMN public land mobile network
- D2D device to device communication
- D2D device to device
- FIG. 1 exemplarily shows one network device and two terminal devices.
- the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
- the wireless communication system 100 may further include an Access and Mobility Management Function (AMF), a Session Management Function (SMF), and a Unified Data Management (UDM).
- AMF Access and Mobility Management Function
- SMF Session Management Function
- UDM Unified Data Management
- Other network entities such as an authentication server function (AUSF), are not limited in this embodiment of the present application.
- the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
- the computer readable medium may include, but is not limited to, a magnetic storage device (eg, a hard disk, a floppy disk, or a magnetic tape, etc.), such as a compact disc (CD), a digital versatile disc (Digital Versatile Disc, DVD). Etc.), smart cards and flash memory devices (eg, Erasable Programmable Read-Only Memory (EPROM), cards, sticks or key drivers, etc.).
- various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
- the term "machine-readable medium” may include, but is not limited to, a variety of media capable of storing, containing, and/or carrying instructions and/or data.
- system and “network” are used interchangeably herein.
- the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
- the character "/" in this article generally indicates that the contextual object is an "or" relationship.
- FIG. 2 is a schematic flowchart of a downlink control information transmission method 200 according to an embodiment of the present application.
- the method 200 is optionally applicable to the system shown in FIG. 1, but is not limited thereto.
- the method 200 includes at least some of the following.
- the terminal device receives the first DCI sent by the network device.
- the first DCI is used to schedule a URLLC service.
- the terminal device parses the first DCI according to the DCI format and configuration information of the first DCI, where the configuration information corresponds to a DCI format.
- the configuration information includes at least one of time domain resource indication information, a CSI report set, a frequency domain resource indication type, and a frequency domain resource indication granularity.
- the time domain resource indication information may be a time domain resource indication table.
- the terminal device parses the time domain resource and/or the frequency domain resource and/or the CSI report of the data scheduled to be transmitted by the first DCI according to the DCI format (DCI format) of the first DCI and the configuration information.
- DCI format DCI format
- the DCI format includes a compressed DCI format and/or a conventional DCI format.
- the DCI of the compressed DCI format is mainly used for URLLC service scheduling, and the number of bits occupied by the DCI format is small.
- the DCI of the conventional DCI format is mainly used for regular service scheduling (for example, Enhanced Mobile Broadband (eMBB) service).
- regular service scheduling for example, Enhanced Mobile Broadband (eMBB) service.
- eMBB Enhanced Mobile Broadband
- the terminal device may determine, according to the configuration information, and the value of the time domain resource indication field in the first DCI, the scheduled transmission of the first DCI.
- the time domain resource location of the data may be determined, according to the configuration information, and the value of the time domain resource indication field in the first DCI, the scheduled transmission of the first DCI.
- the configuration information includes first time domain resource indication information and second time domain resource indication information, where the first time domain resource indication information corresponds to a compressed DCI format, and the second time domain resource indication information corresponds to a conventional DCI format. .
- the configuration information includes time domain resource indication information a and time domain resource indication information b, wherein the time domain resource indication information a corresponds to a compressed DCI format, and the time domain resource indication information b corresponds to a conventional DCI format.
- the terminal device determines, according to the value of the time domain resource indication field in the first DCI and the time domain resource indication information a, the data scheduled to be transmitted by the first DCI. Time domain resource location.
- the terminal device determines, according to the value of the time domain resource indication field in the first DCI and the time domain resource indication information b, the data scheduled to be transmitted by the first DCI. Time domain resource location.
- the time domain resource indicated by the first time domain resource indication information includes only the subframe where the first DCI is located, or only the subframe where the first DCI is located and the subframe where the first DCI is located. Next subframe; or
- the number of time domain resource configurations indicated by the first time domain resource indication information is smaller than the number of time domain resource configurations indicated by the second time domain resource indication information.
- the value of the time domain resource indication field in the DCI in the first time domain resource indication information and/or the second time domain resource indication information may correspond to a start symbol, a duration, and a data channel type of the time domain resource ( For example, type A (Type A), type B (Type B).
- the first time domain resource indication information may be as shown in Table 1
- the second time domain resource indication information may be as shown in Table 2.
- time domain resource indication can be flexibly and efficiently performed to avoid redundant configuration (cross-subframe scheduling, large-particle scheduling) under specific scenarios (such as URLLC scheduling), or to avoid only a small number of time domain resources suitable for URLLC. Configuration, thereby reducing physical layer signaling overhead and improving signaling reliability.
- the terminal device may determine the first DCI according to the configuration information and the value of the CSI report indication field in the first DCI.
- a CSI report that schedules the transmitted data.
- the configuration information includes a first CSI report set and a second CSI report set, where the first CSI report set corresponds to a compressed DCI format, and the second CSI report set corresponds to a regular DCI format.
- the configuration information includes a CSI report set a and a CSI report set b, wherein the CSI report set a corresponds to a compressed DCI format, and the CSI report set b corresponds to a regular DCI format.
- the terminal device determines a CSI report of the data scheduled to be transmitted by the first DCI according to the value of the CSI report indication field in the first DCI and the CSI report set a.
- the terminal device determines a CSI report of the data scheduled to be transmitted by the first DCI according to the value of the CSI report indication field in the first DCI and the CSI report set b.
- the first CSI report set includes an aperiodic CSI report
- the first CSI report set includes a CSI report that is less than a first threshold between an interval at which the CSI is reported and a time at which the first DCI is received; or
- the number of CSI reports included in the second CSI report set is greater than the number of CSI reports included in the first CSI report set, or
- the second CSI report set includes a semi-statically triggered periodic CSI report, or
- the number of bits occupied by the trigger signaling of the CSI report included in the second CSI report set is greater than the number of bits occupied by the trigger signaling of the CSI report included in the first CSI report set.
- the value of the CSI report indication field in the first CSI report set and/or the second CSI report set may correspond to a CSI report.
- the CSI report may be aperiodic CSI (A-CSI) and periodic CSI (Periodic CSI, P-CSI), and the CSI may include a Rank Indication (RI), and a channel quality indicator (Channel) Quality Indicator, CQI).
- A-CSI aperiodic CSI
- P-CSI periodic CSI
- RI Rank Indication
- CQI channel quality indicator
- the first CSI report set may be as shown in Table 3.
- the value of the CSI report indication field is 1, the interval between receiving the first DCI and reporting the A-CSI is 2 symbols (2symbols);
- the CSI report indicates that the value of the field is 2
- the interval between the reception of the first DCI and the reporting of the A-CSI is 4symbols.
- the second CSI report set may be as shown in Table 4.
- the value of the CSI report indication field is 1, the interval between the reception of the first DCI and the reporting of the A-CSI is 2 symbols; the value of the CSI report indication field is When it is 2, the interval between receiving the first DCI and reporting the A-CSI is 14symbols; when the value of the CSI report indicating field is 3, the interval between receiving the first DCI and reporting the A-CSI is 14symbols; When the value of the CSI report indication field is 4, the interval between the reception of the first DCI and the reporting of the P-CSI is 2symbols; when the value of the CSI report indication field is 5, the first DCI is received and reported. There are 14symbols between P-CSI.
- CSI report indicates the value of the domain CSI report 1 A-CSI(CQI)2symbols 2 A-CSI (CQI) 4symbols
- CSI report indicates the value of the domain CSI report 1 A-CSI(CQI)2symbols 2 A-CSI (CQI) 14symbols 3 A-CSI (CQI, RI) 14symbols 4 P-CSI 2symbols 5 P-CSI 14symbols
- the CSI report set can be optimized, thereby reducing signaling overhead.
- the terminal device may determine, according to the configuration information, and the domain value of the first DCI, a frequency domain of the data scheduled to be transmitted by the first DCI. Resources.
- the configuration information includes a first frequency domain resource indication granularity and a second frequency domain resource indication granularity, wherein the first frequency domain resource indication granularity corresponds to a compressed DCI format, and the second frequency domain resource indicates granularity Corresponds to the conventional DCI format.
- the configuration information includes a frequency domain resource indication granularity a and a frequency domain resource indication granularity b, wherein the frequency domain resource indication granularity a corresponds to a compressed DCI format, and the frequency domain resource indicates that the granularity b corresponds to a conventional DCI format.
- the terminal device determines the frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the frequency domain resource indication granularity a.
- the terminal device determines the frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the frequency domain resource indication granularity b.
- the first frequency domain resource indicates that the frequency domain granularity indicated by the granularity is greater than the frequency domain granularity indicated by the second frequency domain resource indicating granularity.
- the first frequency domain resource indication granularity and/or the second frequency domain resource indication granularity may be characterized by a Resource Block Group (RBG) size.
- RBG Size can be used for (Band Width, BW), unit: physical resource block (PRB).
- the first frequency domain resource indication granularity and the second frequency domain resource indication granularity may be as shown in Table 5.
- the granularity of the first frequency domain resource is 4, and the granularity of the second frequency domain resource is 2; when the RBG Size is 6-20, the granularity of the first frequency domain resource is 8, and the second frequency domain is The resource granularity is 4; when the RBG Size is 20-50, the first frequency domain resource granularity is 16, the second frequency domain resource granularity is 8; when the RBG Size is 50-100, the first frequency domain resource granularity is 32.
- the second frequency domain resource granularity is 16; when the RBG Size is 100-200, the first frequency domain resource granularity is 48, and the second frequency domain resource granularity is 24.
- the physical layer signaling overhead can be optimized (reduced), and the first DCI can be correctly parsed to obtain the frequency domain resource of the data scheduled to be transmitted by the first DCI.
- the terminal device may determine, according to the configuration information, and the domain value of the first DCI, a frequency domain resource of the data scheduled to be transmitted by the first DCI. .
- the configuration information includes a first frequency domain resource indication type and a second frequency domain resource indication type, where the second frequency domain resource indication type corresponds to a compressed DCI format, the first frequency domain resource indication type and the second The frequency domain resource indication type corresponds to the conventional DCI format.
- the configuration information includes a frequency domain resource indication type 1 and a frequency domain resource indication type 2, where the frequency domain resource indication type 2 corresponds to a compressed DCI format, and the frequency domain resource indication type 1 and the frequency domain resource indication type 2 pair Should be in the regular DCI format.
- the terminal device determines the frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the frequency domain resource indication type b.
- the terminal device determines the first DCI according to the domain value of the first DCI, and the frequency domain resource indication type 1 and/or the frequency domain resource indication type 2 A frequency domain resource that schedules transmitted data.
- the physical layer signaling overhead can be optimized (reduced), and the first DCI can be correctly parsed to obtain the frequency domain resource of the data scheduled to be transmitted by the first DCI.
- the DCI format includes at least one of a compressed DCI format, a regular DCI format, and a fallback DCI format.
- the DCI of the fallback DCI format is mainly used for sudden deterioration of link quality or a small number of bits occupied by the transmission mode switching process.
- the fallback DCI format may be configured together with the regular DCI format, and the DCI of the fallback DCI format is applicable to the related configuration of the time domain, the frequency domain, and the CSI report of the DCI of the conventional DCI format.
- the compressed DCI format, the conventional DCI format, and the fallback DCI format may be separately configured.
- the specific configuration refer to the related configurations of the compressed DCI format and the conventional DCI format.
- details are not described herein again.
- the method 200 further includes:
- the terminal device receives the configuration information sent by the network device.
- the terminal device receives the configuration information sent by the network device by using high layer signaling.
- the terminal device receives the configuration information sent by the network device by using Radio Resource Control (RRC) signaling.
- RRC Radio Resource Control
- the terminal device may parse the first DCI according to the DCI format of the first DCI and the configuration information corresponding to the DCI format, so that the flexibility, effectiveness, and adaptability of the time-frequency resource may be optimized. Reduce signaling overhead and improve transmission reliability of DCI.
- FIG. 3 is a schematic flowchart of a downlink control information transmission method 300 according to an embodiment of the present application.
- the method 300 can optionally be applied to the system shown in Figure 1, but is not limited thereto.
- the method 300 includes at least a portion of the following.
- the network device sends configuration information to the terminal device, where the configuration information corresponds to a DCI format.
- the configuration information includes at least one of time domain resource indication information, a CSI report set, a frequency domain resource indication type, and a frequency domain resource indication granularity.
- the DCI format includes a compressed DCI format and/or a conventional DCI format.
- the network device sends a first DCI to the terminal device, so that the terminal device parses the first DCI according to the DCI format of the first DCI and the configuration information.
- the configuration information includes first time domain resource indication information and second time domain resource indication information, where the first time domain resource indication information corresponds to a compressed DCI format, and the second time domain resource indication information corresponds to a conventional DCI. format.
- the time domain resource indicated by the first time domain resource indication information includes a subframe in which the first DCI is located, or includes a subframe in which the first DCI is located and a next subframe in which the first DCI is located. Subframe; or
- the number of time domain resource configurations indicated by the second time domain resource indication information is smaller than the number of time domain resource configurations indicated by the third time domain resource indication information.
- the configuration information includes a first CSI report set and a second CSI report set, where the first CSI report set corresponds to a compressed DCI format, and the second CSI report set corresponds to a regular DCI format.
- the first CSI report set includes an aperiodic CSI report
- the first CSI report set includes a CSI report that is less than a first threshold between an interval at which the CSI is reported and a time at which the first DCI is received; or
- the number of CSI reports included in the second CSI report set is greater than the number of CSI reports included in the first CSI report set, or
- the second CSI report set includes a semi-statically triggered periodic CSI report, or
- the number of bits occupied by the trigger signaling of the CSI report included in the second CSI report set is greater than the number of bits occupied by the trigger signaling of the CSI report included in the first CSI report set.
- the configuration information includes a first frequency domain resource indication granularity and a second frequency domain resource indication granularity, wherein the first frequency domain resource indication granularity corresponds to a compressed DCI format, and the second frequency domain resource indication granularity The degree corresponds to the conventional DCI format.
- the first frequency domain resource indicates that the frequency domain granularity indicated by the granularity is greater than the frequency domain granularity indicated by the second frequency domain resource indicating granularity.
- the configuration information includes a first frequency domain resource indication type and a second frequency domain resource indication type, where the second frequency domain resource indication type corresponds to a compressed DCI format, the first frequency domain resource type and the The second frequency domain resource indication type corresponds to the conventional DCI format.
- the configuration information is semi-static configuration information.
- the first DCI is used to schedule a URLLC service.
- the network device sends the configuration information to the network device by using high layer signaling.
- steps in the downlink control information transmission method 300 may refer to corresponding steps in the downlink control information transmission method 200.
- steps in the downlink control information transmission method 300 may refer to corresponding steps in the downlink control information transmission method 200.
- details are not described herein again.
- the network device may configure configuration information including at least one of a time domain resource indication information, a CSI report set, a frequency domain resource indication type, and a frequency domain resource indication granularity, so that the terminal device may
- the first DCI is parsed according to the DCI format of the first DCI and the configuration information corresponding to the DCI format. Further, the flexibility, validity, and adaptability of the time-frequency resource can be optimized, the signaling overhead is reduced, and the transmission reliability of the DCI is improved.
- FIG. 4 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application. As shown in FIG. 4, the terminal device 400 includes:
- the communication unit 410 is configured to receive a first DCI sent by the network device.
- the processing unit 420 is configured to parse the first DCI according to the DCI format and configuration information of the first DCI, where the configuration information corresponds to a DCI format.
- the configuration information includes at least one of time domain resource indication information, a CSI report set, a frequency domain resource indication type, and a frequency domain resource indication granularity.
- processing unit 420 is specifically configured to:
- the DCI format includes a compressed DCI format and/or a conventional DCI format.
- the configuration information includes first time domain resource indication information and second time domain resource indication information, where the first time domain resource indication information corresponds to a compressed DCI format, and the second time domain resource indication information corresponds to a conventional DCI. format;
- the processing unit 420 is specifically configured to:
- the DCI format of the first DCI belongs to the compressed DCI format, determine the time domain of the data scheduled to be transmitted by the first DCI according to the value of the time domain resource indication field in the first DCI and the first time domain resource indication information. Resource location; or
- the time domain resource indicated by the first time domain resource indication information includes a subframe in which the first DCI is located, or includes a subframe in which the first DCI is located and a next subframe in which the first DCI is located. Subframe; or
- the number of time domain resource configurations indicated by the first time domain resource indication information is smaller than the number of time domain resource configurations indicated by the second time domain resource indication information.
- the configuration information includes a first CSI report set and a second CSI report set, where the first CSI report set corresponds to a compressed DCI format, where the second CSI report set corresponds to a regular DCI format;
- the processing unit 420 is specifically configured to:
- the CSI report of the data scheduled to be transmitted by the first DCI is determined according to the value of the CSI report indication field in the first DCI and the first CSI report set;
- the CSI report of the data scheduled to be transmitted by the first DCI is determined according to the value of the CSI report indication field in the first DCI and the second CSI report set.
- the first CSI report set includes an aperiodic CSI report
- the first CSI report set includes a CSI report that is less than a first threshold between an interval at which the CSI is reported and a time at which the first DCI is received; or
- the number of CSI reports included in the second CSI report set is greater than the number of CSI reports included in the first CSI report set, or
- the second CSI report set includes a semi-statically triggered periodic CSI report, or
- the number of bits occupied by the trigger signaling of the CSI report included in the second CSI report set is greater than the number of bits occupied by the trigger signaling of the CSI report included in the first CSI report set.
- the configuration information includes a first frequency domain resource indication granularity and a second frequency domain resource indication granularity, wherein the first frequency domain resource indication granularity corresponds to a compressed DCI format, and the second frequency domain resource indication granularity Degree corresponds to the conventional DCI format;
- the processing unit 420 is specifically configured to:
- the terminal device determines a frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the first frequency domain resource indication granularity; or
- the terminal device determines a frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the second frequency domain resource indication granularity.
- the first frequency domain resource indicates that the frequency domain granularity indicated by the granularity is greater than the frequency domain granularity indicated by the second frequency domain resource indicating granularity.
- the configuration information includes a first frequency domain resource indication type and a second frequency domain resource indication type, where the second frequency domain resource indication type corresponds to a compressed DCI format, and the first frequency domain resource indication type and the first The two-frequency domain resource indication type corresponds to the conventional DCI format;
- the processing unit 420 is specifically configured to:
- the DCI format of the first DCI belongs to the compressed DCI format, determining a frequency domain resource of the data scheduled to be transmitted by the first DCI according to the domain value of the first DCI and the second frequency domain resource indication type;
- the DCI format of the first DCI belongs to the conventional DCI format, determining the first DCI to be scheduled according to the domain value of the first DCI, and the first frequency domain resource indication type and/or the second frequency domain resource indication type The frequency domain resource of the transmitted data.
- the first DCI is used to schedule a URLLC service.
- the communication unit 410 is further configured to receive the configuration information sent by the network device.
- the communication unit 410 is specifically configured to:
- FIG. 5 is a schematic block diagram of a network device 500 in accordance with an embodiment of the present application. As shown in FIG. 5, the network device 500 includes:
- the communication unit 510 is configured to send configuration information to the terminal device, where the configuration information corresponds to a DCI format;
- the communication unit 510 is further configured to send the first DCI to the terminal device, so that the terminal device parses the first DCI according to the DCI format of the first DCI and the configuration information.
- the configuration information includes at least one of time domain resource indication information, a CSI report set, a frequency domain resource indication type, and a frequency domain resource indication granularity.
- the DCI format includes a compressed DCI format and/or a conventional DCI format.
- the configuration information includes first time domain resource indication information and second time domain resource indication information, where the first time domain resource indication information corresponds to a compressed DCI format, and the second time domain resource indication information corresponds to a conventional DCI. format.
- the time domain resource indicated by the first time domain resource indication information includes a subframe in which the first DCI is located, or includes a subframe in which the first DCI is located and a next subframe in which the first DCI is located. Subframe; or
- the number of time domain resource configurations indicated by the second time domain resource indication information is smaller than the number of time domain resource configurations indicated by the third time domain resource indication information.
- the configuration information includes a first CSI report set and a second CSI report set, where the first CSI report set corresponds to a compressed DCI format, and the second CSI report set corresponds to a regular DCI format.
- the first CSI report set includes an aperiodic CSI report
- the first CSI report set includes a CSI report that is less than a first threshold between an interval at which the CSI is reported and a time at which the first DCI is received; or
- the number of CSI reports included in the second CSI report set is greater than the number of CSI reports included in the first CSI report set, or
- the second CSI report set includes a semi-statically triggered periodic CSI report, or
- the number of bits occupied by the trigger signaling of the CSI report included in the second CSI report set is greater than the number of bits occupied by the trigger signaling of the CSI report included in the first CSI report set.
- the configuration information includes a first frequency domain resource indication granularity and a second frequency domain resource indication granularity, wherein the first frequency domain resource indication granularity corresponds to a compressed DCI format, and the second frequency domain resource indication granularity The degree corresponds to the conventional DCI format.
- the first frequency domain resource indicates that the frequency domain granularity indicated by the granularity is greater than the frequency domain granularity indicated by the second frequency domain resource indicating granularity.
- the configuration information includes a first frequency domain resource indication type and a second frequency domain resource indication type, where the second frequency domain resource indication type corresponds to a compressed DCI format, the first frequency domain resource type and the The second frequency domain resource indication type corresponds to the conventional DCI format.
- the first DCI is used to schedule a URLLC service.
- the communication unit 510 is specifically configured to:
- the configuration information is sent to the network device through high layer signaling.
- FIG. 6 is a schematic block diagram of a device 600 for wireless communication provided by an embodiment of the present application.
- the device 600 includes:
- a memory 610 configured to store a program, where the program includes code
- the transceiver 620 is configured to communicate with other devices;
- the processor 630 is configured to execute program code in the memory 610.
- the transceiver 620 is configured to perform specific signal transceiving under the driving of the processor 630.
- the processor 630 can implement various operations performed by the terminal device in the method 200 in FIG. 2, and details are not described herein for brevity.
- the device 600 can be a mobile phone.
- the processor 630 can implement various operations performed by the network device in the method 300 in FIG. 3, and details are not described herein for brevity.
- the device 600 can be a network device (eg, a base station).
- the processor 630 may be a central processing unit (CPU), and the processor 630 may also be other general-purpose processors, digital signal processors (DSPs), and application specific integrated circuits. (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and more.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the memory 610 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 610 may also include a non-volatile random access memory. For example, the memory 610 can also store information of the device type.
- the transceiver 620 can be used to implement signal transmission and reception functions, such as frequency modulation and demodulation functions or upconversion and down conversion functions.
- the device 600 for wireless communication can be a chip or chipset.
- the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory, and the processor 630 reads the information in the memory and completes the steps of the above method in combination with the hardware thereof. To avoid repetition, it will not be described in detail here.
- FIG. 7 is a schematic structural diagram of a system chip 700 according to an embodiment of the present application.
- the system chip 700 of FIG. 7 includes an input interface 701, an output interface 702, a processor 703, and a memory 704 that can be connected by an internal communication connection line.
- the processor 703 is configured to execute code in the memory 704.
- the processor 703 implements the method performed by the terminal device in the method of the method 200.
- the processor 703 implements the method performed by the terminal device in the method of the method 200.
- the processor 703 implements the method performed by the terminal device in the method of the method 200.
- the processor 703 implements the method performed by the network device in the method 300 embodiment.
- the processor 703 implements the method performed by the network device in the method 300 embodiment.
- the processor 703 implements the method performed by the network device in the method 300 embodiment.
- the network device for the sake of brevity, it will not be repeated here.
- 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 device.
- the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be wired from a website site, computer, server or data center (for example, coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
- the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
- the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)).
- the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
- the implementation process constitutes any limitation.
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Abstract
Description
DCI中时域资源指示域的取值 | 起始符号 | 时长 | 数据信道类型 |
1 | 0 | 2 | Type B |
2 | 1 | 2 | Type B |
3 | 2 | 4 | Type B |
DCI中时域资源指示域的取值 | 起始符号 | 时长 | 数据信道类型 |
1 | 0 | 7 | Type A |
2 | 14 | 7 | Type B |
3 | 21 | 14 | Type A |
4 | 28 | 14 | Type B |
5 | 35 | 14 | Type A |
CSI报告指示域的取值 | CSI report |
1 | A-CSI(CQI)2symbols |
2 | A-CSI(CQI)4symbols |
CSI报告指示域的取值 | CSI report |
1 | A-CSI(CQI)2symbols |
2 | A-CSI(CQI)14symbols |
3 | A-CSI(CQI,RI)14symbols |
4 | P-CSI 2symbols |
5 | P-CSI 14symbols |
Claims (52)
- 一种下行控制信息传输方法,其特征在于,包括:终端设备接收网络设备发送的第一下行控制信息DCI;所述终端设备根据所述第一DCI的DCI格式和配置信息解析所述第一DCI,其中,所述配置信息对应于DCI格式。
- 根据权利要求1所述的方法,其特征在于,所述配置信息包括时域资源指示信息、信道状态信息CSI报告集合、频域资源指示类型、频域资源指示颗粒度中的至少一种。
- 根据权利要求2所述的方法,其特征在于,所述终端设备根据所述第一DCI的DCI格式和配置信息解析所述第一DCI,包括:所述终端设备根据所述第一DCI的DCI格式和所述配置信息解析所述第一DCI所调度传输的数据的时域资源和/或频域资源和/或CSI报告。
- 根据权利要求2或3所述的方法,其特征在于,所述DCI格式包括压缩DCI格式和/或常规DCI格式。
- 根据权利要求2至4中任一项所述的方法,其特征在于,所述配置信息包括第一时域资源指示信息和第二时域资源指示信息,其中,所述第一时域资源指示信息对应压缩DCI格式,所述第二时域资源指示信息对应常规DCI格式;所述终端设备根据所述第一DCI的DCI格式和配置信息解析所述第一DCI,包括:若所述第一DCI的DCI格式属于所述压缩DCI格式,所述终端设备根据所述第一DCI中时域资源指示域的取值和所述第一时域资源指示信息确定所述第一DCI所调度传输的数据的时域资源位置;或者若所述第一DCI的DCI格式属于所述常规DCI格式,所述终端设备根据所述第一DCI中时域资源指示域的取值和所述第二时域资源指示信息确定所述第一DCI所调度传输的数据的时域资源位置。
- 根据权利要求5所述的方法,其特征在于,所述第一时域资源指示信息指示的时域资源包括所述第一DCI所在的子帧,或者,包括所述第一DCI所在的子帧和所述第一DCI所在的子帧的下一个子帧;或者所述第一时域资源指示信息指示的时域资源配置数目小于所述第二时域资源指示信息指示的时域资源配置数目。
- 根据权利要求2至6中任一项所述的方法,其特征在于,所述配置信息包括第一CSI报告集合和第二CSI报告集合,其中,所述第一CSI报告集合对应压缩DCI格式,所述第二CSI报告集合对应常规DCI格式;所述终端设备根据所述第一DCI的DCI格式和配置信息解析所述第一DCI,包括:若所述第一DCI的DCI格式属于所述压缩DCI格式,所述终端设备根据所述第一DCI中CSI报告指示域的取值和所述第一CSI报告集合确定所述第一DCI所调度传输的数据的CSI报告;或者若所述第一DCI的DCI格式属于所述常规DCI格式,所述终端设备根据所述第一DCI中时域资源指示域的取值和所述第二CSI报告集合确定所述第一DCI所调度传输的数据的CSI报告。
- 根据权利要求7所述的方法,其特征在于,所述第一CSI报告集合包括非周期CSI报告;或者所述第一CSI报告集合包括上报CSI的时刻与接收所述第一DCI时刻之间的间隔小于第一阈值的CSI报告;或者所述第二CSI报告集合所包括的CSI报告数目大于所述第一CSI报告集合所包括的CSI报告数目,或者,所述第二CSI报告集合包括半静态触发的周期性CSI报告,或者,所述第二CSI报告集合所包括的CSI报告的触发信令所占的比特数大于所述第一CSI报告集合所包括的CSI报告的触发信令所占的比特数。
- 根据权利要求2至8中任一项所述的方法,其特征在于,所述配置信息包括第一频域资源指示颗粒度和第二频域资源指示颗粒度,其中,所述第一频域资源指示颗粒度对应压缩DCI格式,所述第二频域资源指示颗粒度对应常规DCI格式;所述终端设备根据所述第一DCI的DCI格式和配置信息解析所述第一DCI,包括:若所述第一DCI的DCI格式属于所述压缩DCI格式,所述终端设备根据所述第一DCI的域值和所述第一频域资源指示颗粒度确定所述第一DCI所调度传输的数据的频域资源;或者若所述第一DCI的DCI格式属于所述常规DCI格式,所述终端设备根据所述第一DCI的域值和所述第二频域资源指示颗粒度确定所述第一DCI所调度传输的数据的频域资源。
- 根据权利要求9所述的方法,其特征在于,所述第一频域资源指示颗粒度指示的频域颗粒度大于所述第二频域资源指示颗粒度指示的频域颗粒度。
- 根据权利要求2至10中任一项所述的方法,其特征在于,所述配置信息包括第一频域资源指示类型和第二频域资源指示类型,其中,所述第二频域资源指示类型对应压缩DCI格式,所述第一频域资源指示类型和所述第二频域资源指示类型对应所述常规DCI格式;所述终端设备根据所述第一DCI的DCI格式和配置信息解析所述第一DCI,包括:若所述第一DCI的DCI格式属于所述压缩DCI格式,所述终端设备根据所述第一DCI的域值和所述第二频域资源指示类型确定所述第一DCI所调度传输的数据的频域资源;或者若所述第一DCI的DCI格式属于所述常规DCI格式,所述终端设备根据所述第一DCI的域值,以及所述第一频域资源指示类型和/或所述第二频域资源指示类型确定所述第一DCI所调度传输的数据的频域资源。
- 根据权利要求1至11中任一项所述的方法,其特征在于,所述第一DCI用于调度高可靠低时延通信URLLC业务。
- 根据权利要求1至12中任一项所述的方法,其特征在于,在所述终端设备根据所述第一DCI的DCI格式和配置信息解析所述第一DCI之前,所述方法还包括:所述终端设备接收所述网络设备发送的所述配置信息。
- 根据权利要求13所述的方法,其特征在于,所述终端设备接收所述网络设备发送的所述配置信息,包括:所述终端设备通过高层信令接收所述网络设备发送的所述配置信息。
- 一种下行控制信息传输方法,其特征在于,包括:网络设备向终端设备发送配置信息,其中,所述配置信息对应于下行控制信息DCI格式;所述网络设备向所述终端设备发送第一DCI,以使所述终端设备根据所述第一DCI的DCI格式和所述配置信息解析所述第一DCI。
- 根据权利要求15所述的方法,其特征在于,所述配置信息包括时域资源指示信息、信道状态信息CSI报告集合、频域资源指示类型、频域资源指示颗粒度中的至少一种。
- 根据权利要求16所述的方法,其特征在于,所述DCI格式包括压缩DCI格式和/或常规DCI格式。
- 根据权利要求16或17所述的方法,其特征在于,所述配置信息包括第一时域资源指示信息和第二时域资源指示信息,其中,所述第一时域资源指示信息对应压缩DCI格式,所述第二时域资源指示信息对应常规DCI格式。
- 根据权利要求18所述的方法,其特征在于,所述第一时域资源指示信息指示的时域资源包括所述第一DCI所在的子帧,或者,包括所述第一DCI所在的子帧和所述第一DCI所在的子帧的下一个子帧;或者所述第二时域资源指示信息指示的时域资源配置数目小于所述第三时域资源指示信息指示的时域资源配置数目。
- 根据权利要求16至19中任一项所述的方法,其特征在于,所述配置信息包括第一CSI报告集合和第二CSI报告集合,其中,所述第一CSI报告集合对应压缩DCI格式,所述第二CSI报告集合对应常规DCI格式。
- 根据权利要求20所述的方法,其特征在于,所述第一CSI报告集合包括非周期CSI报告;或者所述第一CSI报告集合包括上报CSI的时刻与接收所述第一DCI时刻之间的间隔小于第一阈值的CSI报告;或者所述第二CSI报告集合所包括的CSI报告数目大于所述第一CSI报告集合所包括的CSI报告数目,或者,所述第二CSI报告集合包括半静态触发的周期性CSI报告,或者,所述第二CSI报告集合所包括的CSI报告的触发信令所占的比特数大于所述第一CSI报告集合所包括的CSI报告的触发信令所占的比特数。
- 根据权利要求16至21中任一项所述的方法,其特征在于,所述配置信息包括第一频域资源指示颗粒度和第二频域资源指示颗粒度,其中,所述第一频域资源指示颗粒度对应压缩DCI格式,所述第二频域资源指示颗粒度对应常规DCI格式。
- 根据权利要求22所述的方法,其特征在于,所述第一频域资源指示颗粒度指示的频域颗粒度大于所述第二频域资源指示颗粒度指示的频域颗粒度。
- 根据权利要求16至23中任一项所述的方法,其特征在于,所述配置信息包括第一频域资源指示类型和第二频域资源指示类型,其中,所述第二频域资源指示类型对应所述压缩DCI格式,所述第一频域资源颗类型和所述第二频域资源指示类型对应所述常规DCI格式。
- 根据权利要求15至24中任一项所述的方法,其特征在于,所述第一DCI用于调度高可靠低时延通信URLLC业务。
- 根据权利要求15至25中任一项所述的方法,其特征在于,所述网络设备向终端设备发送配置信息,包括:所述网络设备通过高层信令向所述网络设备发送所述配置信息。
- 一种终端设备,其特征在于,包括:通信单元,用于接收网络设备发送的第一下行控制信息DCI;处理单元,用于根据所述第一DCI的DCI格式和配置信息解析所述第一DCI,其中,所述配置信息对应于DCI格式。
- 根据权利要求27所述的终端设备,其特征在于,所述配置信息包括时域资源指示信息、信道状态信息CSI报告集合、频域资源指示类型、频域资源指示颗粒度中的至少一种。
- 根据权利要求28所述的终端设备,其特征在于,所述处理单元具体用于:根据所述第一DCI的DCI格式和所述配置信息解析所述第一DCI所调度传输的数据的时域资源和/或频域资源和/或CSI报告。
- 根据权利要求28或29所述的终端设备,其特征在于,所述DCI格式包括压缩DCI格式和/或常规DCI格式。
- 根据权利要求28至30中任一项所述的终端设备,其特征在于,所述配置信息包括第一时域资源指示信息和第二时域资源指示信息,其中,所述第一时域资源指示信息对应压缩DCI格式,所述第二时域资源指示信息对应常规DCI格式;所述处理单元具体用于:若所述第一DCI的DCI格式属于所述压缩DCI格式,根据所述第一DCI中时域资源指示域的取值和所述第一时域资源指示信息确定所述第一DCI所调度传输的数据的时域资源位置;或者若所述第一DCI的DCI格式属于所述常规DCI格式,根据所述第一DCI中时域资源指示域的取值和所述第二时域资源指示信息确定所述第一DCI所调度传输的数据的时域资源位置。
- 根据权利要求31所述的终端设备,其特征在于,所述第一时域资源指示信息指示的时域资源包括所述第一DCI所在的子帧,或者,包括所述第一DCI所在的子帧和所述第一DCI所在的子帧的下一个子帧;或者所述第一时域资源指示信息指示的时域资源配置数目小于所述第二时域资源指示信息指示的时域资源配置数目。
- 根据权利要求28至32中任一项所述的终端设备,其特征在于,所述配置信息包括第一CSI报告集合和第二CSI报告集合,其中,所述第一CSI报告集合对应压缩DCI格式,所述第二CSI报告集合对应常规DCI格式;所述处理单元具体用于:若所述第一DCI的DCI格式属于所述压缩DCI格式,根据所述第一DCI中CSI报告指示域的取值和所述第一CSI报告集合确定所述第一DCI所调度传输的数据的CSI报告;或者若所述第一DCI的DCI格式属于所述常规DCI格式,根据所述第一DCI中CSI报告指示域的取值和所述第二CSI报告集合确定所述第一DCI所调度传输的数据的CSI报告。
- 根据权利要求33所述的终端设备,其特征在于,所述第一CSI报告集合包括非周期CSI报告;或者所述第一CSI报告集合包括上报CSI的时刻与接收所述第一DCI时刻之间的间隔小于第一阈值的CSI报告;或者所述第二CSI报告集合所包括的CSI报告数目大于所述第一CSI报告集合所包括的CSI报告数目,或者,所述第二CSI报告集合包括半静态触发的周期性CSI报告,或者,所述第二CSI报告集合所包括的CSI报告的触发信令所占的比特数大于所述第一CSI报告集合所包括的CSI报告的触发信令所占的比特数。
- 根据权利要求28至34中任一项所述的终端设备,其特征在于,所述配置信息包括第一频域资源指示颗粒度和第二频域资源指示颗粒度,其中,所述第一频域资源指示颗粒度对应压缩DCI格式,所述第二频域资源指示颗粒度对应常规DCI格式;所述处理单元具体用于:若所述第一DCI的DCI格式属于所述压缩DCI格式,所述终端设备根据所述第一DCI的域值和所述第一频域资源指示颗粒度确定所述第一DCI所调度传输的数据的频域资源;或者若所述第一DCI的DCI格式属于所述常规DCI格式,所述终端设备根据所述第一DCI的域值和所述第二频域资源指示颗粒度确定所述第一DCI所调度传输的数据的频域资源。
- 根据权利要求35所述的终端设备,其特征在于,所述第一频域资源指示颗粒度指示的频域颗粒度大于所述第二频域资源指示颗粒度指示的频域颗粒度。
- 根据权利要求28至36中任一项所述的终端设备,其特征在于,所述配置信息包括第一频域资源指示类型和第二频域资源指示类型,其中,所述第二频域资源指示类型对应压缩DCI格式,所述第一频域资源指示类型和所述第二频域资源指示类型对应所 述常规DCI格式;所述处理单元具体用于:若所述第一DCI的DCI格式属于所述压缩DCI格式,根据所述第一DCI的域值和所述第二频域资源指示类型确定所述第一DCI所调度传输的数据的频域资源;或者若所述第一DCI的DCI格式属于所述常规DCI格式,根据所述第一DCI的域值,以及所述第一频域资源指示类型和/或所述第二频域资源指示类型确定所述第一DCI所调度传输的数据的频域资源。
- 根据权利要求27至37中任一项所述的终端设备,其特征在于,所述第一DCI用于调度高可靠低时延通信URLLC业务。
- 根据权利要求27至38中任一项所述的终端设备,其特征在于,在所述处理单元根据所述第一DCI的DCI格式和配置信息解析所述第一DCI之前,所述通信单元还用于接收所述网络设备发送的所述配置信息。
- 根据权利要求39所述的终端设备,其特征在于,所述通信单元具体用于:通过高层信令接收所述网络设备发送的所述配置信息。
- 一种网络设备,其特征在于,包括:通信单元,用于向终端设备发送配置信息,其中,所述配置信息对应于下行控制信息DCI格式;所述通信单元,还用于向所述终端设备发送第一DCI,以使所述终端设备根据所述第一DCI的DCI格式和所述配置信息解析所述第一DCI。
- 根据权利要求41所述的网络设备,其特征在于,所述配置信息包括时域资源指示信息、信道状态信息CSI报告集合、频域资源指示类型、频域资源指示颗粒度中的至少一种。
- 根据权利要求42所述的网络设备,其特征在于,所述DCI格式包括压缩DCI格式和/或常规DCI格式。
- 根据权利要求42或43所述的网络设备,其特征在于,所述配置信息包括第一时域资源指示信息和第二时域资源指示信息,其中,所述第一时域资源指示信息对应压缩DCI格式,所述第二时域资源指示信息对应常规DCI格式。
- 根据权利要求44所述的网络设备,其特征在于,所述第一时域资源指示信息指示的时域资源包括所述第一DCI所在的子帧,或者,包括所述第一DCI所在的子帧和所述第一DCI所在的子帧的下一个子帧;或者所述第二时域资源指示信息指示的时域资源配置数目小于所述第三时域资源指示信息指示的时域资源配置数目。
- 根据权利要求42至45中任一项所述的网络设备,其特征在于,所述配置信息包括第一CSI报告集合和第二CSI报告集合,其中,所述第一CSI报告集合对应压缩DCI格式,所述第二CSI报告集合对应常规DCI格式。
- 根据权利要求46所述的网络设备,其特征在于,所述第一CSI报告集合包括非周期CSI报告;或者所述第一CSI报告集合包括上报CSI的时刻与接收所述第一DCI时刻之间的间隔小于第一阈值的CSI报告;或者所述第二CSI报告集合所包括的CSI报告数目大于所述第一CSI报告集合所包括的CSI报告数目,或者,所述第二CSI报告集合包括半静态触发的周期性CSI报告,或者,所述第二CSI报告集合所包括的CSI报告的触发信令所占的比特数大于所述第一CSI报告集合所包括的CSI报告的触发信令所占的比特数。
- 根据权利要求42至47中任一项所述的网络设备,其特征在于,所述配置信息包括第一频域资源指示颗粒度和第二频域资源指示颗粒度,其中,所述第一频域资源指 示颗粒度对应压缩DCI格式,所述第二频域资源指示颗粒度对应常规DCI格式。
- 根据权利要求48所述的网络设备,其特征在于,所述第一频域资源指示颗粒度指示的频域颗粒度大于所述第二频域资源指示颗粒度指示的频域颗粒度。
- 根据权利要求42至49中任一项所述的网络设备,其特征在于,所述配置信息包括第一频域资源指示类型和第二频域资源指示类型,其中,所述第二频域资源指示类型对应所述压缩DCI格式,所述第一频域资源颗类型和所述第二频域资源指示类型对应所述常规DCI格式。
- 根据权利要求41至50中任一项所述的网络设备,其特征在于,所述第一DCI用于调度高可靠低时延通信URLLC业务。
- 根据权利要求41至51中任一项所述的网络设备,其特征在于,所述通信单元具体用于:通过高层信令向所述网络设备发送所述配置信息。
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- 2018-02-23 MX MX2020008833A patent/MX2020008833A/es unknown
- 2018-02-23 BR BR112020017109-3A patent/BR112020017109A2/pt not_active IP Right Cessation
- 2018-02-23 CA CA3091981A patent/CA3091981C/en active Active
- 2018-02-23 AU AU2018409919A patent/AU2018409919A1/en not_active Abandoned
- 2018-02-23 JP JP2020544468A patent/JP7234248B2/ja active Active
- 2018-02-23 CN CN201880088110.4A patent/CN111656831A/zh active Pending
- 2018-02-23 CN CN202011085416.XA patent/CN112202539B/zh active Active
- 2018-02-23 KR KR1020207024507A patent/KR102614878B1/ko active IP Right Grant
- 2018-02-23 WO PCT/CN2018/077071 patent/WO2019161549A1/zh unknown
- 2018-02-23 EP EP18907298.6A patent/EP3739983B1/en active Active
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Cited By (4)
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US11516836B2 (en) | 2018-02-23 | 2022-11-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Downlink control information transmission method, terminal device and network device |
CN110945948A (zh) * | 2019-11-14 | 2020-03-31 | 北京小米移动软件有限公司 | 下行控制信息传输方法及装置、通信设备及存储介质 |
WO2021092841A1 (zh) * | 2019-11-14 | 2021-05-20 | 北京小米移动软件有限公司 | 下行控制信息传输方法及装置、通信设备及存储介质 |
CN110945948B (zh) * | 2019-11-14 | 2023-11-07 | 北京小米移动软件有限公司 | 下行控制信息传输方法及装置、通信设备及存储介质 |
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KR20200125607A (ko) | 2020-11-04 |
EP3739983A1 (en) | 2020-11-18 |
CN111656831A (zh) | 2020-09-11 |
KR102614878B1 (ko) | 2023-12-19 |
JP7234248B2 (ja) | 2023-03-07 |
BR112020017109A2 (pt) | 2021-02-09 |
AU2018409919A1 (en) | 2020-09-24 |
US20200374916A1 (en) | 2020-11-26 |
MX2020008833A (es) | 2020-10-05 |
CN112202539B (zh) | 2022-01-04 |
CN112202539A (zh) | 2021-01-08 |
CA3091981C (en) | 2022-12-13 |
EP3739983B1 (en) | 2022-07-06 |
JP2021517762A (ja) | 2021-07-26 |
CA3091981A1 (en) | 2019-08-29 |
EP3739983A4 (en) | 2020-12-09 |
US11516836B2 (en) | 2022-11-29 |
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