WO2019096276A1 - Procédé et appareil de transmission de données - Google Patents

Procédé et appareil de transmission de données Download PDF

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Publication number
WO2019096276A1
WO2019096276A1 PCT/CN2018/116031 CN2018116031W WO2019096276A1 WO 2019096276 A1 WO2019096276 A1 WO 2019096276A1 CN 2018116031 W CN2018116031 W CN 2018116031W WO 2019096276 A1 WO2019096276 A1 WO 2019096276A1
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WO
WIPO (PCT)
Prior art keywords
time domain
domain resource
resource unit
terminal device
control information
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PCT/CN2018/116031
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English (en)
Chinese (zh)
Inventor
王亚飞
张弛
马小骏
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华为技术有限公司
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Publication of WO2019096276A1 publication Critical patent/WO2019096276A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • the present application relates to the field of communications, and more to a method and apparatus for data transmission in the field of communications.
  • the network device indicates, by using the first scheduling information, a time domain resource, a frequency domain resource, an encoding mode, a transmission power, a frequency hopping sequence, a resource mapping manner, and the like used by the terminal device to send uplink data on the first time slot.
  • the terminal device may be delayed to send the uplink data on the first time slot.
  • the network device The format information of the at least one time slot is flexibly indicated by slot format information (SFI), where the format information is used to indicate a downlink symbol, an unknown symbol, and an uplink symbol in the time slot, if the at least one time slot includes And the first time slot, and the uplink symbol in the first time slot indicated by the time slot format information does not completely include the uplink symbol in the first time slot indicated by the first scheduling information, that is, according to the first scheduling information.
  • SFI slot format information
  • the indicated uplink symbol cannot complete the mapping and transmission of the uplink data, and the terminal device delays transmitting the uplink data on the first time slot.
  • the present application provides a data transmission method and apparatus capable of transmitting data delayed by a terminal device.
  • the terminal device receives the first scheduling information that is sent by the network device, where the first scheduling information is used to indicate that the terminal device sends the first data in the uplink time domain resource in the first time domain resource unit;
  • the terminal device delays transmitting the first data on the first time domain resource unit
  • the terminal device sends the first data to the network device on the target time domain resource unit.
  • the terminal device may receive control information sent by the network device, where the control information is used to trigger The terminal device sends the delayed data sent on the first time domain resource unit on the second time domain resource unit, and can transmit the data delayed by the terminal device.
  • control information is different from at least one of the following items of the first scheduling information: a payload size, a mapped resource, and a scrambling sequence.
  • the first scheduling information is a specific DCI of the terminal device, and the network device may scramble the first scheduling information by using a specific scrambling sequence of the terminal device to obtain the specific DCI, and notify the terminal device of the terminal. a device-specific scrambling sequence; correspondingly, the terminal device may descramble the specific DCI according to the pre-configured transmission device-specific scrambling sequence to obtain the first scheduling information.
  • the control information is a DCI common to the terminal group, and the network device can scramble the control information by using a common scrambling sequence of the terminal group to obtain the shared DCI, and notify the terminal device of the terminal group of the terminal.
  • a group-specific scrambling sequence correspondingly, the terminal device in the terminal group can descramble the shared DCI according to a pre-configured scrambling sequence common to the terminal group to obtain the control information.
  • control information is a DCI common to the terminal group
  • the network device when multiple terminal devices in the terminal group delay sending uplink data on the first time domain resource unit, the network device only needs to send more The terminal device sends the DCI common to the terminal group, and the multiple terminals can be triggered to send the uplink data delayed by the first time domain resource unit on the second time domain resource unit, which can reduce the signaling overhead.
  • the multiple terminal devices may send the uplink data by frequency division multiplexing or code division multiplexing on the uplink time domain resource in the first time domain resource unit, which is not limited in this embodiment of the present application.
  • the first scheduling information is mapped on the terminal device-specific resource; correspondingly, the terminal device performs a search on the terminal device specific control channel resource to obtain the first scheduling information.
  • the control information is mapped on the common control channel resource of the terminal group; correspondingly, the terminal device in the terminal group searches on the common control channel resource of the terminal group to obtain the control information.
  • the control device is mapped to the common resource of the terminal group, and when the terminal device delays transmitting the first data on the first time domain resource unit, the terminal device only The control information needs to be searched on the common control channel resources of the terminal group, which reduces the scope of the terminal device search.
  • the first scheduling information is used to indicate that the terminal device uses the uplink frequency domain resource, the uplink code domain resource, the coding mode, the transmission power, the frequency hopping sequence, the resource mapping mode, and the like in the first time domain resource unit, and is used to schedule the terminal. At least one of the information of the device and the uplink time domain resource.
  • the first scheduling information may include an identifier of an uplink frequency domain resource, an identifier of an uplink code domain resource, an encoding mode, a transmit power, a frequency hopping sequence, a resource mapping manner, and the like in the first time domain resource unit. And at least one of the information of the terminal device, and an identifier of the first time domain resource unit and an identifier of the uplink time domain resource in the first time domain resource unit.
  • the first time domain resource unit indication information is an identifier of the first time domain resource unit.
  • the first time domain resource unit indication information is a scrambling sequence of the control information, and the scrambling sequence is associated with the identifier of the first time domain resource unit, that is, the scrambling sequence of the control information indicates the first The identifier of a time domain resource unit.
  • the scrambling sequence is associated with the identifier of the first time domain resource unit, and it can be understood that the scrambling sequence is generated by using the identifier of the first time domain resource unit as a parameter of the generating function of the scrambling sequence. .
  • control information includes second time domain resource unit indication information, where the second time domain resource unit indication information includes an identifier of the second time domain resource unit or a time domain resource unit offset value,
  • the time domain resource unit offset value represents the number of time domain resource units between the first time domain resource unit and the second time domain resource.
  • control information may further include the second time domain resource unit indication information, where the second time domain resource unit indication information may directly or indirectly indicate the second time domain resource unit, which is not limited by the embodiment of the present application.
  • the second time domain resource unit indication information is an identifier of the second time domain resource unit.
  • the second time domain resource unit indication information is a time domain resource unit offset value, where the time domain resource unit offset value indicates a time between the first time domain resource unit and the second time domain resource unit The number of domain resource units, the instant domain resource unit offset value indicates the identity of the second time domain resource unit.
  • the terminal device determines, according to the control information, the target time domain resource unit, where the terminal device determines the second time domain resource unit according to the control information and the time domain resource unit offset value.
  • the time domain resource unit offset value represents the number of time domain resource units between the first time domain resource unit and the second time domain resource unit, and the time domain resource unit offset value is Pre-defined or configured through high-level signaling.
  • the second time domain resource unit indication information may be included in the control information, or the second time domain resource unit indication information may not be included, that is, the network device may implicitly indicate the time domain resource used after the triggering.
  • the unit is not limited in this embodiment.
  • the terminal device may trigger to continue to send the first time domain resource unit to the network device according to the received control information (excluding the second time domain resource unit indication information) sent by the network device. Delaying the first data to be sent, and determining the target time domain resource unit according to the identifier of the first time domain resource unit and the time domain resource unit offset value, where the time domain resource unit offset value indicates the first time domain The number of time domain resource units between the resource unit and the second time domain resource unit.
  • the time domain resource unit offset value may be predefined or the network device is configured for the terminal device by using the high layer signaling, which is not limited in this embodiment of the present application.
  • the network device only needs to indicate, by using the control information, a time domain resource unit (target time domain resource unit) used after the triggering, without indicating that the terminal device is in the target time domain resource.
  • the scheduling information of the uplink time domain resource, the uplink frequency domain resource, the coding mode, the transmission power, the hopping sequence, and the resource mapping mode used in the unit that is, the uplink time domain resource used by the terminal device on the target time domain resource unit
  • the scheduling information such as the uplink frequency domain resource, the coding mode, the transmission power, the hopping sequence, and the resource mapping mode are the same as those used on the first time domain resource unit, and the signaling overhead can be reduced.
  • the method before the terminal device delays sending the first data on the first time domain resource unit, the method further includes: receiving, by the terminal device, time domain resource format information sent by the network device, The time domain resource format information is used to indicate the format information of the at least one time domain resource unit, where the format information of the time domain resource unit is used to indicate the uplink time domain resource, the downlink time domain resource, and the unknown time domain in the time domain resource unit.
  • the terminal device delays sending the first data on the first time domain resource unit, including: if the at least one time domain resource unit includes the first time domain resource unit, and the time domain resource format information indicates The uplink time domain resource in the first time domain resource unit does not completely include the uplink time domain resource in the first time domain resource unit indicated by the first scheduling information, and the terminal device delay is sent on the first time domain resource unit.
  • the first data including: if the at least one time domain resource unit includes the first time domain resource unit, and the time domain resource format information indicates The uplink time domain resource in the first time domain resource unit does not completely include the uplink time domain resource in the first time domain resource unit indicated by the first scheduling information, and the terminal device delay is sent on the first time domain resource unit.
  • the first data including: if the at least one time domain resource unit includes the first time domain resource unit, and the time domain resource format information indicates The uplink time domain resource in the first time domain resource unit does not completely include the uplink time domain resource in the first time domain resource unit indicated by the first scheduling information, and the terminal
  • the uplink time domain resource in the first time domain resource unit indicated by the time domain resource format information does not completely include the uplink resource in the first time domain resource unit indicated by the first scheduling information, which may be understood as The part or all of the uplink time domain resource in the first time domain resource unit indicated by the first scheduling information is indicated as the downlink time domain resource or the unknown time domain resource in the time domain resource format information.
  • the terminal device may also delay sending the first data on the first time domain resource unit.
  • the format information of the time domain resource unit is used to indicate a downlink time domain resource, an unknown time domain resource, and an uplink time domain resource in the time domain resource unit, and the downlink time domain resource, the unknown time domain resource, or the uplink
  • the number of time domain resources may be greater than or equal to 0, which is not limited in this embodiment of the present application.
  • the method before the terminal device determines the target time domain resource unit according to the control information, the method further includes: receiving, by the terminal device, second scheduling information sent by the network device, the second scheduling information
  • the terminal device is configured to send the first data on an uplink time domain resource in a third time domain resource unit; the terminal device determines, according to the control information, a target time domain resource unit, where the terminal device: according to the control information And the second scheduling information, determining that the third time domain resource unit is the target time domain resource unit.
  • each terminal device in the terminal group can receive the control information, but in some scenarios, the control information is Individual terminal devices are not applicable.
  • the network device can re-schedule the terminal device, thereby improving the flexibility of data transmission.
  • the present application provides a method for data transmission, the method comprising:
  • the network device sends the first scheduling information to the terminal device, where the first scheduling information is used to indicate that the terminal device sends the first data in the uplink time domain resource in the first time domain resource unit;
  • the network device sends control information to the terminal device, where the control information is used to trigger sending, on the second time domain resource unit, the delayed transmission data on the first time domain resource unit;
  • the network device receives the first data sent by the terminal device on the target time domain resource unit.
  • control information is different from at least one of the following items of the first scheduling information: a payload size, a mapped resource, and a scrambling sequence.
  • the control information includes first time domain resource unit indication information, where the first time domain resource unit indication information includes an identifier of the first time domain resource unit or a scrambling sequence of the control information, The scrambling sequence of the control information is associated with the identity of the first time domain resource unit.
  • control information includes second time domain resource unit indication information, where the second time domain resource unit indication information includes an identifier of the second time domain resource unit or a time domain resource unit offset value,
  • the time domain resource unit offset value represents the number of time domain resource units between the first time domain resource unit and the second time domain resource unit.
  • the determining, by the network device, the target time domain resource unit according to the control information the network device determining, according to the control information and the time domain resource unit offset value, the second time domain resource unit
  • the time domain resource unit offset value represents the number of time domain resource units between the first time domain resource unit and the second time domain resource unit, and the time domain resource unit offset value is Pre-defined or configured for the terminal device through high-level signaling.
  • the network device determines that the terminal device delays sending the first data on the first time domain resource unit, including: if the at least one time domain resource unit includes the first time domain resource unit, and the time domain resource The uplink time domain resource in the first time domain resource unit indicated by the format information does not completely include the uplink time domain resource in the first time domain resource unit indicated by the first scheduling information, and the network device determines that the terminal device delay is The first data is sent on the first time domain resource unit.
  • the present application provides an apparatus for data transmission for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the present application provides an apparatus for data transmission, the apparatus comprising: a memory, a processor, a transceiver, and a computer program stored on the memory and operable on the processor, wherein the processing
  • the method of any of the above-described first aspects or any of the possible implementations of the first aspect is performed when the computer program is executed.
  • the present application provides an apparatus for data transmission, the apparatus comprising: a memory, a processor, a transceiver, and a computer program stored on the memory and operable on the processor, wherein the processing The method of any of the possible implementations of the second aspect or the second aspect above is performed when the computer program is executed.
  • the application provides a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • the present application provides a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of any of the second aspect or any of the possible implementations of the second aspect.
  • the present application provides a chip, including: an input interface, an output interface, at least one processor, and a memory, wherein the input interface, the output interface, the processor, and the memory pass through an internal connection path Communicating with each other, the processor is operative to execute code in the memory, and when the code is executed, the processor is operative to perform the method of any of the second aspect or the second aspect of the second aspect.
  • FIG. 1 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for data transmission in an embodiment of the present application
  • FIG. 3 is a schematic diagram of time domain resources in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another time domain resource according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of still another time domain resource according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of still another time domain resource according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a format of control information in an embodiment of the present application.
  • FIG. 8 is a schematic diagram of another control information format in the embodiment of the present application.
  • FIG. 9 is a schematic diagram of still another control information format in the embodiment of the present application.
  • FIG. 10 is a schematic diagram of still another control information format in the embodiment of the present application.
  • FIG. 11 is a schematic diagram of still another time domain resource according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of an apparatus for data transmission according to an embodiment of the present application.
  • FIG. 14 is a schematic block diagram of another apparatus for data transmission according to an embodiment of the present application.
  • FIG. 15 is a schematic block diagram of another apparatus for data transmission 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 LTE system
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • WLAN wireless local area network
  • 5G future 5th generation
  • NR new radio
  • FIG. 1 is a schematic structural diagram of a communication system 100 provided by an embodiment of the present application.
  • the communication system 100 can include at least one network device (the network device 110 is shown in FIG. 1) and at least one terminal device (the terminal device 120 is shown in FIG. 1), the at least one network device and Wireless communication is possible between the at least one terminal device.
  • FIG. 1 exemplarily shows a network device and a terminal device.
  • the communication system 100 may further include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The embodiment does not limit this.
  • the communication system 100 may also include other network entities, such as a network controller, a mobility management entity, and the like. The embodiment of the present application is not limited thereto.
  • the network device can provide communication coverage for a particular geographic area and can communicate with UEs located within the coverage area.
  • the network device may be a base transceiver station (BTS) in a GSM system or a CDMA system, or a base station (nodeB, NB) in a WCDMA system, or may be in a long term evolution (LTE) system.
  • BTS base transceiver station
  • nodeB, NB base station
  • LTE long term evolution
  • An evolved base station evolved node B, eNB or eNodeB
  • a wireless controller in a cloud radio access network (CRAN).
  • CRAN cloud radio access network
  • the network device may also be a core network, a relay station, an access point, an in-vehicle device, a wearable device, a network side device in a future 5G or NR network, or a public land mobile network (PLMN) in a future evolution.
  • PLMN public land mobile network
  • a functional handheld device a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a future 5G or NR network, or a terminal device in a future evolved PLMN, or the like.
  • FIG. 2 is a schematic flowchart of a method 200 for data transmission provided by an embodiment of the present application.
  • the method 200 can be applied to the communication system as described in FIG. 1 , which is not limited in this embodiment of the present application.
  • the embodiments of the present application each have a subcarrier spacing of 15 kHz, one subframe includes one slot, and one slot includes 14 symbols as an example for description.
  • the sub-carrier spacing in the embodiment of the present application may also be 30 kHz, one subframe includes two slots, and one slot includes 14 symbols, which is not limited in this embodiment of the present application.
  • the first time domain resource unit may be a slot, a mini-slot, a symbol, a subframe, or a system frame. This is not limited.
  • the first time domain resource unit may be a time slot, and the uplink time domain resource in the first time domain resource unit may be at least one symbol used in the time slot for transmitting uplink data.
  • the first scheduling information is further used to indicate an uplink frequency domain resource, a coding mode, a transmit power, a frequency hopping sequence, and a resource mapping manner used by the terminal device to send the first data on the first time domain resource unit.
  • At least one of the information for scheduling the terminal device is not limited in this embodiment of the present application.
  • the network device indicates, by using the first scheduling information, the terminal device sends the first symbol 2 to 4 in the slot 2 and the physical resource block (PRB) 0 to the physical resource block 9
  • the first scheduling information may carry the identifier of the slot 2, the identifiers of the symbols 2 to 4 in the slot 2, and the identifiers of the physical resource block 0 to the physical resource block 9.
  • the S210 may send, by the network device, the first scheduling information to the terminal device according to the scheduling request.
  • the terminal device delays sending the first data on the first time domain resource unit.
  • the multiple situations in the network cause the terminal device to delay sending the first data on the first time domain resource unit, which is not limited in this embodiment of the present application.
  • the network device may flexibly indicate format information of the at least one time domain resource unit by using time domain resource format information, where the format information of the time domain resource unit is used to indicate the time domain resource unit.
  • Downstream time domain resources, unknown time domain resources, and uplink time domain resources are used for transmitting downlink data, and the unknown time domain resource indicates that the terminal device is not used for transmitting uplink data or used for the part of the time domain resource before receiving other indication information about the part of the time domain resource.
  • uplink time domain resources are used for transmitting uplink data.
  • the uplink time domain resource, the unknown time domain resource, or the uplink time domain resource may be greater than or equal to zero.
  • the time domain resource format information may indicate that all time domain resources in the first time domain resource unit are uplink time domain resources; or indicate that all time domain resources in the first time domain resource unit are downlink time domain resources; or The part of the time domain resource in the first time domain resource unit is the downlink time domain resource, the other time domain resource is the unknown time domain resource, and the remaining time domain resource is the uplink time domain resource, which is not limited in this embodiment.
  • the S220 may be that the at least one time domain resource unit includes the first time domain resource unit, and the uplink time domain resource in the first time domain resource unit indicated by the time domain resource format information does not completely include the first An uplink time domain resource in the first time domain resource unit indicated by the scheduling information, the terminal device delays transmitting the first data on the first time domain resource unit.
  • the time domain resource format information may be carried by a downlink control information (DCI) of the terminal group on a physical downlink control channel (PDCCH), that is, the network device may pass the time slot.
  • DCI downlink control information
  • PDCCH physical downlink control channel
  • the resource format information indicates format information of the at least one time domain resource unit to all terminal devices in the terminal group, and the terminal group includes the terminal device. Correspondingly, all the terminal devices in the terminal group can obtain the time domain resource format information.
  • the time domain resource format information is the downlink control information common to the terminal group
  • all the terminal devices in the terminal group can parse the time domain resource format information, and therefore, the network device does not need to Each terminal device in the terminal group sends time domain resource format information, which can reduce signaling overhead.
  • the uplink time domain resource in the first time domain resource unit indicated by the time domain resource format information does not completely include the uplink resource in the first time domain resource unit indicated by the first scheduling information, which may be understood as Part or all of the uplink time domain resource in the first time domain resource unit indicated by the first scheduling information is indicated as the downlink time domain resource or the unknown time domain resource in the time domain resource format information.
  • the first scheduling information indicates that the terminal device sends the first data on the symbols 3 to 7 in the slot 3 (as in the slot 3 indicated by the first scheduling information in FIG. 4).
  • the time domain resource format information indicates that the symbols 0 to 3 in the slot 3 are downlink symbols (as in the time slot 3 indicated by the time domain resource format information in FIG. 4)
  • the symbols 4 to 5 are unknown symbols (as in the time slot 3 indicated by the time domain resource format information in FIG. 4)
  • the symbols 6 to 13 are uplink symbols (as in the time slot 3 indicated by the time domain resource format information in FIG. 4) Shown).
  • the terminal device may normally send the first data on the first time domain resource unit.
  • the first scheduling information indicates that the terminal device sends the first data on the symbols 3 to 7 in the slot 3 (as in the slot 3 indicated by the first scheduling information in FIG. 6).
  • the time domain resource format information indicates that the symbols 0 to 1 in the slot 3 are downlink symbols (as in the time slot 3 indicated by the time domain resource format information in FIG. 6)
  • symbol 2 is an unknown symbol (as in time slot 3 indicated by the time domain resource format information in FIG. 6)
  • the symbols 3 to 13 are uplink symbols (in the time slot 3 indicated by the time domain resource format information in FIG. 6).
  • the terminal device can transmit the first data on symbols 3 to 7 in slot 3 indicated by the first scheduling information.
  • the terminal device may also delay sending the first time domain resource unit.
  • One data may be included in the terminal device.
  • the network device determines that the terminal device delays sending the first data on the first time domain resource unit.
  • the method for determining, by the network device, that the terminal device delays transmitting the first data on the first time domain resource unit is the same as the method for determining that the terminal device delays sending the first data on the first time domain resource unit To avoid repetition, we will not repeat them here.
  • the network device sends, to the terminal device, control information, where the control information is used to trigger sending, by the second time domain resource unit, the delayed transmission data on the first time domain resource unit; correspondingly, the terminal device receives the network The control information sent by the device.
  • control information is different from at least one of the following: the scrambling sequence, the mapped resource, and the payload size (ie, the number of bits in the control information).
  • the first scheduling information is a specific DCI of the terminal device, and the network device may scramble the first scheduling information by using a specific scrambling sequence of the terminal device to obtain the specific DCI, and notify the terminal device of the terminal. a device-specific scrambling sequence; correspondingly, the terminal device may descramble the specific DCI according to the pre-configured transmission device-specific scrambling sequence to obtain the first scheduling information.
  • the control information is a DCI common to the terminal group, and the network device can scramble the control information by using a common scrambling sequence of the terminal group to obtain the shared DCI, and notify the terminal device of the terminal group of the terminal.
  • a group-specific scrambling sequence correspondingly, the terminal device in the terminal group can descramble the shared DCI according to a pre-configured scrambling sequence common to the terminal group to obtain the control information.
  • the multiple terminal devices may send the uplink data by frequency division multiplexing or code division multiplexing on the uplink time domain resource in the first time domain resource unit, which is not limited in this embodiment of the present application.
  • the first scheduling information is mapped on the terminal device-specific resource; correspondingly, the terminal device performs a search on the terminal device specific control channel resource to obtain the first scheduling information.
  • the control information is mapped on the common control channel resource of the terminal group; correspondingly, the terminal device in the terminal group searches on the common control channel resource of the terminal group to obtain the control information.
  • the first scheduling information may include an identifier of an uplink frequency domain resource, an identifier of an uplink code domain resource, an encoding mode, a transmit power, a frequency hopping sequence, a resource mapping manner, and the like in the first time domain resource unit. And at least one of the information of the terminal device, and an identifier of the first time domain resource unit and an identifier of the uplink time domain resource in the first time domain resource unit.
  • control information may include the first time domain resource unit indication information, where the first time domain resource unit indication information may directly or indirectly indicate the first time domain resource unit, which is not limited in this embodiment of the present application.
  • the first time domain resource unit indication information is a scrambling sequence of the control information, and the scrambling sequence is associated with the identifier of the first time domain resource unit, that is, the scrambling sequence of the control information indicates the first The identifier of a time domain resource unit.
  • the scrambling sequence is associated with the identifier of the first time domain resource unit, and it can be understood that the scrambling sequence is generated by using the identifier of the first time domain resource unit as a parameter of the generating function of the scrambling sequence. .
  • control information may further include the second time domain resource unit indication information, where the second time domain resource unit indication information may directly or indirectly indicate the second time domain resource unit, which is not limited by the embodiment of the present application.
  • the second time domain resource unit indication information is an identifier of the second time domain resource unit.
  • the second time domain resource unit indication information is a time domain resource unit offset value, where the time domain resource unit offset value indicates a time between the first time domain resource unit and the second time domain resource unit The number of domain resource units, the instant domain resource unit offset value indicates the identity of the second time domain resource unit.
  • control information may include two fields, where the first field carries the identifier of the delayed time domain resource unit, and the second field carries the identifier of the time domain resource unit used after the trigger. .
  • the first time domain resource unit is slot 2 and the second time domain resource unit is slot 5
  • the first field of the control information carries the identifier of slot 2
  • the second field carries slot 5 Logo.
  • the first time domain resource unit is time slot 2
  • the time domain resource unit offset value k is 2
  • the first field of the control information carries the identifier of time slot 2
  • control information may trigger the multiple delayed time domain resource units, where the multiple delayed time domain resource units include The first time domain resource unit is not limited in this embodiment of the present application.
  • the network device when the network device determines that uplink data on the first time domain resource unit and the third time domain resource unit are delayed, the network device may trigger the second time domain resource by using the control information. And transmitting, on the unit, the delayed transmission data on the first time domain resource unit, and transmitting the delayed transmission data on the third time domain resource unit on the fourth time domain resource unit.
  • the network device may sequentially time the plurality of delayed time domain resource units, where the control information may include multiple sub-control information, and the multiple The delayed time domain resource units are in one-to-one correspondence, the sub-control information includes two fields, and the first field carries the identifier of the delayed time domain resource unit, and the second field carries the delayed time domain resource unit The identifier of the time domain resource unit used after the corresponding trigger.
  • the first time domain resource unit is time slot 2
  • the second time domain resource unit is time slot 5
  • the third time domain resource unit is time slot 3
  • the fourth time domain resource unit is time slot 6.
  • the first field of the control information carries the identifier of the time slot 2
  • the second field carries the identifier of the time slot 5
  • the third field carries the identifier of the time slot 3
  • the fourth field carries the time slot 6 Logo.
  • the network device may sequentially time the plurality of delayed time domain resource units, where the control information may include multiple sub-control information, and the multiple The delayed time domain resource units are in one-to-one correspondence, the sub-control information includes two fields, and the first field carries the identifier of the delayed time domain resource unit, and the second field carries the delayed time domain resource unit The corresponding time domain resource offset value k.
  • the first time domain resource unit is time slot 2
  • the second time domain resource unit is time slot 5
  • the third time domain resource unit is time slot 3
  • the fourth time domain resource unit is time slot 6.
  • the first field of the control information carries the identifier of the time slot 2
  • the third field carries the identifier of the time slot 3
  • the terminal device that delays sending the uplink data on the first time domain resource unit and the terminal device that delays sending the uplink data on the third time domain resource unit may be the same terminal device or may be the same terminal group.
  • the different terminal devices in the present application are not limited in this embodiment.
  • the network device triggers, by using the control information, a method for transmitting delayed data sent on the third time domain resource unit on the fourth time domain resource unit, where the network device triggers the second time domain by using control information.
  • the method for sending the delayed data sent on the first time domain resource unit on the resource unit is similar. To avoid repetition, details are not described herein again.
  • the terminal device determines the target time domain resource unit according to the control information.
  • the time domain resource unit offset value may be predefined or the network device is configured for the terminal device by using the high layer signaling, which is not limited in this embodiment of the present application.
  • the network device determines the target time domain resource unit according to the control information.
  • the network device only needs to indicate the time domain resource unit (target time domain resource unit) used after the trigger by using the control information, without indicating the uplink time domain used by the terminal device in the target time domain resource unit.
  • the resource that is, the terminal device sends the first data on the target time domain resource unit by using an uplink time domain resource that is the same as the uplink time domain resource used on the first time domain resource unit.
  • the network device instructs the terminal device to send the first data on the symbol 4 and the symbol 5 in the slot 1 by using the first scheduling information, where the control information triggers the terminal device in the slot 3
  • the terminal device transmits the first data in symbol 4 and symbol 5 in the time slot 3.
  • other information used by the terminal device to send the first data on the target time domain resource unit may be the same as other information used on the first time domain resource unit.
  • the other information may include at least one of an uplink frequency domain resource, an uplink code domain resource, an encoding mode, a transmit power, a hopping sequence, a resource mapping manner, and the like, and the information used for scheduling the terminal device. This example does not limit this
  • the network device only needs to indicate the time domain resource unit (target time domain resource unit) used after the triggering by using the control information, without indicating the uplink frequency used by the terminal device in the target time domain resource unit.
  • the time domain resource unit target time domain resource unit
  • control information triggers sending the delayed data on the first time domain resource unit on the second time domain resource unit, and the uplink frequency domain resource used by the terminal device in the second time domain resource unit is The terminal device is occupied.
  • the network device may send the second scheduling information to the terminal device, where the second scheduling information is used to indicate that the terminal device sends the first uplink resource in the third time domain resource unit.
  • the third time domain resource unit indicated by the second scheduling information is the target time domain resource unit, and the terminal device has a higher priority than the second scheduling information.
  • the second scheduling information is different from at least one of the following: the scrambling sequence, the mapped resource, and the payload size.
  • the specific difference between the second scheduling information and the control information is similar to the difference between the first scheduling information and the control information. To avoid repetition, details are not described herein again.
  • the sending unit 1220 is configured to delay sending the first data on the first time domain resource unit
  • the receiving unit 1210 is further configured to receive control information sent by the network device, where the control information is used to trigger sending, by using the second time domain resource unit, the delayed transmission data on the first time domain resource unit;
  • the sending unit 1220 is further configured to send the first data to the network device on the target time domain resource unit determined by the processing unit 1230.
  • control information is different from at least one of the following items of the first scheduling information: a payload size, a mapped resource, and a scrambling sequence.
  • control information includes first time domain resource unit indication information, where the first time domain resource unit indication information includes an identifier of the first time domain resource unit or a scrambling sequence of the control information, and the control information is added.
  • the scrambling sequence is associated with the identity of the first time domain resource unit.
  • the apparatus 1200 herein is embodied in the form of a functional unit.
  • the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (eg, a shared processor, a proprietary processor, or a group) for executing one or more software or firmware programs. Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
  • ASIC application specific integrated circuit
  • the device 1200 may be specifically the terminal device in the foregoing method 200, and the device 1200 may be used to perform various processes corresponding to the terminal device in the foregoing method 200 and/ Or steps, to avoid repetition, will not be repeated here.
  • the sending unit 1310 is configured to send the first scheduling information to the terminal device, where the first scheduling information is used to indicate that the terminal device sends the first data in the uplink time domain resource in the first time domain resource unit;
  • the processing unit 1320 is configured to determine that the terminal device delays sending the first data on the first time domain resource unit.
  • control information includes second time domain resource unit indication information, where the second time domain resource unit indication information includes an identifier of the second time domain resource unit or a time domain resource unit offset value, the time domain resource unit The offset value represents the number of time domain resource units between the first time domain resource unit and the second time domain resource unit.
  • the sending unit is further configured to: before the network device determines that the terminal device delays sending the first data on the first time domain resource unit, sending, to the terminal device, resource format information, the time domain resource format information.
  • Format information for indicating at least one time domain resource unit where format information of the time domain resource unit is used to indicate an uplink time domain resource, a downlink time domain resource, and an unknown time domain resource in the time domain resource unit; If the at least one time domain resource unit includes the first time domain resource unit, and the uplink time domain resource in the first time domain resource unit indicated by the time domain resource format information does not completely include the first scheduling information indication
  • the uplink time domain resource in the first time domain resource unit determines that the terminal device delays sending the first data on the first time domain resource unit.
  • the apparatus 1300 herein is embodied in the form of a functional unit.
  • the term "unit" as used herein may refer to an ASIC, an electronic circuit, a processor (eg, a shared processor, a proprietary processor or a group processor, etc.) and memory, a merge logic, and a processor for executing one or more software or firmware programs. / or other suitable components that support the described functionality.
  • the device 1300 may be specifically the network device in the foregoing method 200, and the device 1300 may be used to perform various processes corresponding to the network device in the foregoing method 200 and/ Or steps, to avoid repetition, will not be repeated here.
  • FIG. 14 shows a device 1400 for data transmission provided by an embodiment of the present application.
  • the device 1400 may be the terminal device described in FIG. 1 and FIG. 2, and the device 1400 may adopt a hardware architecture as shown in FIG. 14.
  • the apparatus can include a processor 1410, a transceiver 1420, and a memory 1430 that communicate with one another via internal connection paths.
  • Related functions implemented by processing unit 1230 in FIG. 12 may be implemented by processor 1410, and related functions implemented by transmitting unit 1220 and receiving unit 1210 may be implemented by processor 1410 controlling transceiver 1420.
  • the processor 1410 may include one or more processors, for example, including one or more central processing units (CPUs).
  • processors for example, including one or more central processing units (CPUs).
  • CPUs central processing units
  • the CPU may be a single core CPU, It can be a multi-core CPU.
  • the transceiver 1420 is configured to transmit and receive data and/or signals, as well as to receive data and/or signals.
  • the transceiver can include a transmitter and a receiver for transmitting data and/or signals, and a receiver for receiving data and/or signals.
  • the memory 1430 includes, but is not limited to, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read only memory (EPROM), and a read only memory.
  • RAM random access memory
  • ROM read-only memory
  • EPROM erasable programmable read only memory
  • CD-ROM compact disc read-only memory
  • the memory 1430 is used to store the program code and data of the device, and may be a separate device or integrated in the processor 1410.
  • the processor 1410 is configured to control a transceiver to perform information transmission with a network device.
  • a transceiver to perform information transmission with a network device.
  • Figure 14 only shows a simplified design of the device.
  • the device may also include other necessary components, including but not limited to any number of transceivers, processors, controllers, memories, etc., and all devices that can implement the present application are within the scope of the present application.
  • device 1400 can be replaced with a chip device, such as a communication chip that can be used in the device for implementing the relevant functions of processor 1410 in the device.
  • the chip device can be a field programmable gate array for implementing related functions, a dedicated integrated chip, a system chip, a central processing unit, a network processor, a digital signal processing circuit, a microcontroller, or a programmable controller or other integrated chip.
  • the chip may include one or more memories for storing program code that, when executed, causes the processor to perform the corresponding functions.
  • FIG. 15 shows an apparatus 1500 provided by an embodiment of the present application.
  • the apparatus 1500 may be the network device described in FIG. 1 and FIG. 2, and the apparatus 1500 may adopt a hardware architecture as shown in FIG.
  • the apparatus can include a processor 1510, a transceiver 1520, and a memory 1530 that communicate with one another via internal connection paths.
  • the related functions implemented by the processing unit 1320 in FIG. 13 may be implemented by the processor 1510, and the related functions implemented by the transmitting unit 1310 may be implemented by the processor 1510 controlling the transceiver 1520.
  • the processor 1510 may include one or more processors, for example, including one or more CPUs.
  • the processor may be a single core CPU or a multi-core CPU.
  • the transceiver 1520 is configured to transmit and receive data and/or signals, as well as to receive data and/or signals.
  • the transceiver can include a transmitter and a receiver for transmitting data and/or signals, and a receiver for receiving data and/or signals.
  • the memory 1530 includes, but is not limited to, a RAM, a ROM, an EPROM, a CD-ROM, and the memory 1530 is for storing related instructions and data.
  • the memory 1530 is used to store the program code and data of the device, and may be a separate device or integrated in the processor 1510.
  • the processor 1510 is configured to control the transceiver to perform information transmission with the terminal device.
  • the processor 1510 is configured to control the transceiver to perform information transmission with the terminal device.
  • Figure 15 only shows a simplified design of the device.
  • the device may also include other necessary components, including but not limited to any number of transceivers, processors, controllers, memories, etc., and all devices that can implement the present application are within the scope of the present application.
  • device 1500 can be replaced with a chip device, such as a communication chip that can be used in the device for implementing the relevant functions of processor 1510 in the device.
  • the chip device can be a field programmable gate array for implementing related functions, a dedicated integrated chip, a system chip, a central processing unit, a network processor, a digital signal processing circuit, a microcontroller, or a programmable controller or other integrated chip.
  • the chip may include one or more memories for storing program code that, when executed, causes the processor to perform the corresponding functions.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling or direct coupling or communication connection shown or discussed herein may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • 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, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause 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 various embodiments of the present application.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

La présente invention concerne un procédé et un appareil de transmission de données. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit, d'un dispositif de réseau, des premières informations de planification qui sont utilisées pour commander au dispositif terminal d'envoyer des premières données sur une ressource de domaine temporel de liaison montante dans une première unité de ressource de domaine temporel ; le dispositif terminal retarde l'envoi des premières données sur la première unité de ressource de domaine temporel ; le dispositif terminal reçoit, du dispositif de réseau, des informations de commande qui sont utilisées pour déclencher l'envoi, sur une seconde unité de ressource de domaine temporel, des données dont l'envoi a été retardé sur la première unité de ressource de domaine temporel ; le dispositif terminal détermine une unité de ressource de domaine temporel cible d'après les informations de commande ; le dispositif terminal envoie les premières données au dispositif de réseau, sur l'unité de ressource de domaine temporel cible. Le procédé et l'appareil de transmission de données selon la présente invention peuvent transmettre des données dont l'envoi a été retardé par un dispositif terminal.
PCT/CN2018/116031 2017-11-16 2018-11-16 Procédé et appareil de transmission de données WO2019096276A1 (fr)

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