WO2020132874A1 - 数据传输方法及装置 - Google Patents

数据传输方法及装置 Download PDF

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Publication number
WO2020132874A1
WO2020132874A1 PCT/CN2018/123526 CN2018123526W WO2020132874A1 WO 2020132874 A1 WO2020132874 A1 WO 2020132874A1 CN 2018123526 W CN2018123526 W CN 2018123526W WO 2020132874 A1 WO2020132874 A1 WO 2020132874A1
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WIPO (PCT)
Prior art keywords
transport block
sub
target
time slot
domain resource
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PCT/CN2018/123526
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English (en)
French (fr)
Inventor
李媛媛
Original Assignee
北京小米移动软件有限公司
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to EP18944408.6A priority Critical patent/EP3905560A4/en
Priority to PCT/CN2018/123526 priority patent/WO2020132874A1/zh
Priority to US17/417,717 priority patent/US11950135B2/en
Priority to CN201880003103.XA priority patent/CN109792320B/zh
Publication of WO2020132874A1 publication Critical patent/WO2020132874A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H04W28/065Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078Timing of allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communication technology, and in particular, to a data transmission method and device.
  • the symbol number starting with the PDSCH is marked as S, and the PDSCH time domain resource
  • the length of is recorded as L, and S and L are indicated by the SLIV parameter, that is, the SLIV parameter characterizes the value of S and L, where 0 ⁇ L ⁇ 14-S; the value of the SLIV parameter is controlled by the network side device.
  • the terminal can determine the symbol number S at the beginning of the PDSCH and the length of the PDSCH time domain resource according to the value of the SLIV parameter; however, in the related art, a transmission burst cannot cross the edge of the slot, if the resources in the current slot Can not meet the data transmission of user service, it can only wait until the next slot has enough symbols to continue transmission, for example, if the transmission needs to use 7 symbols, and there are no 7 symbols in the current slot for transmission, then only Wait until the next slot to transmit, and this obviously increases the waiting delay, resulting in increased transmission delay, especially for services such as URLLC services and eURLLC services that require high transmission reliability and transmission delay. It is difficult to meet the high reliability and low latency requirements of services, which seriously affects service quality.
  • Embodiments of the present invention provide a data transmission method and device.
  • the technical solution is as follows:
  • a data transmission method is provided, which is applied to a network access device.
  • the method includes:
  • the size of the first sub-transport block segment the target transport block into the first sub-transport block and the second sub-transport block; wherein, the time domain resources required by the second sub-transport block
  • the second length is equal to the difference between the target length and the first length
  • the resource allocation message includes the size of the first sub-transport block and a characterization of the target time slot for sending the first sub-transport block First indication information of available time domain resources and second indication information used to characterize the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the technical solution provided by the embodiments of the present invention may include the following beneficial effects:
  • the target transmission block is segmented into the first sub-transmission block and the first Two sub-transport blocks, the first sub-transport block is sent on the available time-domain resources of the target time slot, and the second sub-transport block is sent on the next time slot of the target time slot, so there is no need to wait until the next time slot has a sufficient number of durations
  • the target transmission block is transmitted only when the symbol is used, which can reduce the waiting delay, reduce the transmission delay, ensure high reliability and low delay of the service, and improve the service quality.
  • the first indication information includes: the number and the first length of the first start symbol of the available time domain resource of the target time slot;
  • the second indication information includes: the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the method before the first resource allocation message is sent to the terminal, the method further includes:
  • the first indication information includes: the value of the first indicator and the determination information;
  • the second indication information includes: the value of the second indicator.
  • the method further includes:
  • the second resource allocation message includes a second time domain resource for sending the target transmission block on an available time domain resource to characterize the target time slot
  • the third instruction Sending a second resource allocation message to the terminal; wherein, the second resource allocation message includes a second time domain resource for sending the target transmission block on an available time domain resource to characterize the target time slot The third instruction.
  • a data transmission method which is applied to a terminal.
  • the method includes:
  • the receiving network access device sends a first resource allocation message; wherein the resource allocation message includes the size of the first sub-transport block and is used to characterize the availability of the target time slot for sending the first sub-transport block First indication information of the time domain resource and second indication information used to characterize the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot;
  • the size of the target transport block and the size of the first sub-transport block segment the target transport block into the first sub-transport block and the second sub-transport block, the size of the second sub-transport block is equal to The difference between the size of the target transport block and the size of the first sub-transport block;
  • the first indication information includes: the number and the first length of the first start symbol of the available time domain resource of the target time slot;
  • the second indication information includes: the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the first indication information includes: the value of the first indicator and the determination information; the second indication information includes: the value of the second indicator;
  • the method further includes:
  • the value of the first indicator and the determination information determine the number and the first length of the first start symbol of the available time domain resource of the target time slot;
  • the second indicator determine the number and second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot .
  • a data transmission device including:
  • the first determining module is configured to determine the first sent on the available time domain resource of the target time slot when the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot The size of a sub-transport block;
  • a first segmenting module configured to segment the target transport block into the first sub-transport block and the second sub-transport block according to the size of the first sub-transport block; wherein, the second sub-transport The second length of the time domain resource required by the block is equal to the difference between the target length and the first length;
  • a second determining module configured to determine, according to the second length of the time domain resource required by the second sub-transport block, the second A time domain resource
  • a first sending module configured to send a first resource allocation message to the terminal; wherein, the resource allocation message includes the size of the first sub-transport block and is used to characterize sending the first sub-transport block
  • the first indication information includes: the number and the first length of the first start symbol of the available time domain resource of the target time slot;
  • the second indication information includes: the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the device further includes:
  • the third determining module is used to determine the value of the first indicator according to the number and the first length of the first start symbol of the available time domain resource of the target time slot, and the value used to indicate the first start symbol Judgment information whether the number is greater than the preset value;
  • a fourth determining module configured to determine the second according to the number and second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot The value of the indicator;
  • the first indication information includes: the value of the first indicator and the determination information;
  • the second indication information includes: the value of the second indicator.
  • the device further includes:
  • the judgment module is used to judge whether the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot;
  • a fifth determining module configured to determine the available time domain resource of the target time slot when the target length of the time domain resource required by the target transport block is greater than the first length of the available time domain resource of the target time slot A second time domain resource used to send the target transport block;
  • a second sending module configured to send a second resource allocation message to the terminal; wherein, the second resource allocation message includes an available time domain resource used to characterize the target time slot for sending the target transmission The third indication information of the second time domain resource of the block.
  • a data transmission device including:
  • a receiving module configured to receive a first resource allocation message sent by a network access device; wherein, the resource allocation message includes a size of a first sub-transport block and is used to characterize the First indication information of available time-domain resources of the target time slot and second indication information used to characterize the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot;
  • a second segmentation module configured to segment the target transport block into the first sub-transport block and the second sub-transport block according to the size of the target transport block and the size of the first sub-transport block, the The size of the second sub-transport block is equal to the difference between the size of the target transport block and the size of the first sub-transport block;
  • a third sending module configured to send the first sub-transport block on the available time domain resource of the target time slot, and to send the second sub-transport block on the next time slot of the target time slot Sending the second sub-transport block on the first time-domain resource.
  • the first indication information includes: the number and the first length of the first start symbol of the available time domain resource of the target time slot;
  • the second indication information includes: the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the first indication information includes: the value of the first indicator and the determination information; the second indication information includes: the value of the second indicator;
  • the device also includes:
  • a sixth determination module configured to determine the number and the first length of the first start symbol of the available time domain resource of the target time slot according to the value of the first indicator and the determination information;
  • the seventh determining module is used to determine the value of the second indicator and determine the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot Number and second length.
  • a data transmission device including:
  • Memory for storing processor executable instructions
  • the processor is configured to:
  • the size of the first sub-transport block segment the target transport block into the first sub-transport block and the second sub-transport block; wherein, the time domain resources required by the second sub-transport block
  • the second length is equal to the difference between the target length and the first length
  • the resource allocation message includes the size of the first sub-transport block and a characterization of the target time slot for sending the first sub-transport block First indication information of available time domain resources and second indication information used to characterize the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • a data transmission device including:
  • Memory for storing processor executable instructions
  • the processor is configured to:
  • the receiving network access device sends a first resource allocation message; wherein the resource allocation message includes the size of the first sub-transport block and is used to characterize the availability of the target time slot for sending the first sub-transport block First indication information of the time domain resource and second indication information used to characterize the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot;
  • the size of the target transport block and the size of the first sub-transport block segment the target transport block into the first sub-transport block and the second sub-transport block, the size of the second sub-transport block is equal to The difference between the size of the target transport block and the size of the first sub-transport block;
  • a computer-readable storage medium on which computer instructions are stored, and when the instructions are executed by a processor, the steps of the method described in the first aspect are implemented.
  • a computer-readable storage medium on which computer instructions are stored, which when executed by a processor implements the steps of the method described in the second aspect above.
  • Fig. 1 is a flow chart showing a method for data transmission according to an exemplary embodiment.
  • Fig. 2 is a flow chart showing a method for data transmission according to an exemplary embodiment.
  • Fig. 3 is a flow chart showing a method for data transmission according to an exemplary embodiment.
  • Fig. 4 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 5 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 6 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 7 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 8 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 9 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 10 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 11 is a block diagram of a data transmission device according to an exemplary embodiment.
  • Fig. 12 is a block diagram of a data transmission device according to an exemplary embodiment.
  • An embodiment of the present invention provides a data transmission method, which is applied to a network access device.
  • the method includes: when the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot, determine The size of the first sub-transport block sent on the available time-domain resources of the target time slot; according to the size of the first sub-transport block, segment the target transport block into a first sub-transport block and a second sub-transport block; wherein, The second length of the time domain resource required by the second sub-transport block is equal to the difference between the target length and the first length; according to the second length of the time domain resource required by the second sub-transport block, it is determined to be under the target time slot A first time-domain resource for sending a second sub-transport block in a time slot; sending a first resource allocation message to the terminal; where the resource allocation message includes the size of the first sub-transport block and is used to characterize the first The first indication information of the available time-domain resources of the target time slot of
  • the target transmission block is segmented into a first sub-transmission block and a second sub-transmission block.
  • the first sub-transport block is sent on the available time domain resource of the slot
  • the second sub-transport block is sent on the next time slot of the target time slot, so that there is no need to wait until the next time slot has a sufficient number of continuous symbols before transmitting the target transport block, It can reduce waiting delay, reduce transmission delay, ensure high reliability and low delay of services, and improve service quality.
  • the data transmission method provided by the embodiments of the present invention can be applied to a 3G/4G/5G communication network;
  • the terminals involved in the present invention may include, for example, smart phones, in-vehicle devices, smart home appliances, notebooks, or smart wearables
  • An electronic device such as a device;
  • the network access device involved in the present invention may include, for example, a communication device that provides a wireless access service for a terminal, such as a base station or a relay station.
  • Fig. 1 is a flow chart showing a data transmission method according to an exemplary embodiment, and the execution subject of the data transmission method may be a network access device. As shown in FIG. 1, the method includes the following steps 101-104:
  • step 101 when the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot, the first sub-transport block sent on the available time domain resource of the target time slot is determined the size of.
  • the method further includes: determining the size of the target transmission block according to the cache information of the data to be sent; determining the modulation method and code rate used in the physical layer resource mapping according to the state information of the physical channel; according to the target The size of the transport block, the modulation method and the code rate used in the physical layer resource mapping determine the target length of the time domain resource required by the target transport block.
  • the implementation of determining the size of the first sub-transmission block sent on the available time-domain resource of the target time slot in step 101 includes: according to the first length of the available time-domain resource of the target time slot and the available frequency-domain resource The size, the modulation mode and the code rate used in the physical layer resource mapping determine the size of the first sub-transport block.
  • the target transport block is segmented into a first sub-transport block and a second sub-transport block according to the size of the first sub-transport block; wherein, the second length of the time domain resource required by the second sub-transport block Equal to the difference between the target length and the first length.
  • the size of the second sub-transport block is equal to the difference between the size of the target transport block and the size of the first sub-transport block.
  • step 103 according to the second length of the time domain resource required by the second sub-transport block, the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot is determined.
  • a first resource allocation message is sent to the terminal; wherein, the resource allocation message includes the size of the first sub-transport block, and the time domain resource used to characterize the target time slot used to send the first sub-transport block The first indication information and the second indication information used to characterize the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the following data transmission is used as an example.
  • the network access device determines that the target length of the time domain resource required to transmit the target transmission block in the burst transmission is greater than the first length of the available time domain resource of the target time slot, it is determined that the target time slot
  • the size of the first sub-transport block sent on the available time-domain resources according to the size of the first sub-transport block, segment the target transport block into a first sub-transport block and a second sub-transport block; where, the second sub-transport The second length of the time domain resource required by the block is equal to the difference between the target length and the first length; according to the second length of the time domain resource required by the second sub-transport block, it is determined to be used in the next time slot of the target time slot
  • the network access device sends a first resource allocation message to the terminal; where the resource allocation message includes the size of the first sub-transport block and is used to characterize the first
  • the network access device sends the first sub-transport block on the available time-domain resource of the target time slot, and sends the second sub-transport on the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot Transfer blocks.
  • the terminal receives the first sub-transport block on the available time-domain resource of the target time slot, and receives the second sub-transport block on the first time-domain resource of the next time slot of the target time slot.
  • the target transmission block is segmented into a first sub-transmission block and a second sub-transmission block.
  • the first sub-transport block is sent on the available time-domain resources
  • the second sub-transport block is sent on the next time slot of the target time slot, so there is no need to wait until the next time slot has a sufficient number of continuous symbols before starting to transmit the target transport block. It can reduce waiting delay, reduce transmission delay, ensure high reliability and low delay of services, and improve service quality.
  • the first indication information includes: the number and first length of the first start symbol of the available time domain resource of the target time slot; the second indication information includes: the next time slot of the target time slot is used to send the first The number and the second length of the second start symbol of the first time domain resource of the two sub-transport blocks.
  • the network access device directly uses the first resource allocation message to directly number the first start symbol and the first length of the available time domain resource used to send the target time slot of the first sub-transport block, and Notify the terminal of the number and second length of the second start symbol of the first time-domain resource on the next time slot of the target time slot for sending the second sub-transport block; for example, use 4 bits in the first resource allocation message Bits represent the number of the first start symbol, use 4 bits to represent the first length, use 4 bits to represent the number of the second start symbol of the first time domain resource on the next time slot of the target time slot, use 4 The bit characterizes the second length.
  • the terminal directly learns the size of the first sub-transport block, the number and first length of the first start symbol of the available time-domain resource of the target time slot for sending the first sub-transport block, and the target The number and second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the time slot.
  • the terminal segments the target transmission block into a first sub-transmission block and a second sub-transmission block according to the size of the target transmission block and the size of the first sub-transmission block; the first sub-transmission is sent on the available time-domain resources of the target time slot Block, and the second sub-transport block is sent on the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the network access device directly issues the number and first length of the first start symbol of the available time domain resource of the target time slot and the target time slot by sending the first resource allocation message
  • the number and second length of the second start symbol of the first time domain resource in the next time slot notifies the terminal that the network access device does not need to specifically calculate and issue the L indicator of S and S, such as SLIV, to overcome the time
  • the sum of the number and length of the starting symbol of the domain resource cannot exceed the limit of 14, so that it is not necessary to wait until the next time slot has a sufficient number of continuous symbols before starting to transmit the target transmission block, which can reduce the waiting delay and the transmission delay.
  • the first indication information includes: the value of the first indicator and determination information; the second indication information includes: the value of the second indicator.
  • the method further includes step A1 and step A2:
  • step A1 according to the number and the first length of the first start symbol of the available time domain resource of the target time slot, determine the value of the first indicator and indicate whether the number of the first start symbol is greater than a preset value Decision information;
  • step A2 the value of the second indicator is determined according to the number and second length of the second start symbol of the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the network access device sends the first resource allocation message to the first indicator corresponding to the number of the first start symbol and the first length of the available time domain resource of the target time slot
  • the value of, and the number of the second start symbol of the first time domain resource and the value of the second indicator corresponding to the second length on the next time slot of the target time slot are also used to indicate to the terminal
  • the determination information of whether the number of the starting symbol is greater than the preset value informs the terminal that it is not limited by the sum of the number and length of the starting symbol of the time domain resource in the related art to exceed 14, and the terminal passes the value of the first indicator ,
  • the judgment information used to indicate whether the number of the first start symbol is greater than a preset value the number and length of the first start symbol of the available time domain resource of the target time slot can be accurately known, so that there is no need to wait until the next time slot has
  • the transmission of the target transmission block starts only when there are a sufficient number of continuous symbols, which can reduce the waiting delay
  • Fig. 2 is a flow chart showing a data transmission method according to an exemplary embodiment.
  • the execution subject of the data transmission method may be a network access device. As shown in FIG. 1, the method includes the following steps 201-207:
  • step 201 it is determined whether the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot: when the target length of the time domain resource required by the target transmission block is greater than the available time slot of the target When the first length of the time domain resource is reached, go to step 202; when the target length of the time domain resource required by the target transport block is greater than the first length of the available time domain resource of the target time slot, go to step 204.
  • step 202 a second time domain resource used to send the target transport block on the available time domain resource of the target time slot is determined.
  • a second resource allocation message is sent to the terminal; wherein, the second resource allocation message includes a third time domain resource used to characterize the second time domain resource used to send the target transport block on the available time domain resource of the target time slot Instructions.
  • step 204 the size of the first sub-transport block sent on the available time-domain resources of the target time slot is determined.
  • the target transport block is segmented into a first sub-transport block and a second sub-transport block according to the size of the first sub-transport block; wherein, the second length of the time domain resource required by the second sub-transport block Equal to the difference between the target length and the first length.
  • the size of the second sub-transport block is equal to the difference between the size of the target transport block and the size of the first sub-transport block.
  • step 206 according to the second length of the time domain resource required by the second sub-transport block, the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot is determined.
  • a first resource allocation message is sent to the terminal; where the resource allocation message includes the size of the first sub-transport block and the time domain resource used to characterize the available time slot of the target time slot used to send the first sub-transport block.
  • the first indication information and the second indication information used to characterize the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the target transmission block is segmented into a first sub-transmission block and a second sub-transmission block.
  • the first sub-transport block is sent on the available time-domain resources
  • the second sub-transport block is sent on the next time slot of the target time slot, so there is no need to wait until the next time slot has a sufficient number of continuous symbols before starting to transmit the target transport block. It can reduce waiting delay, reduce transmission delay, ensure high reliability and low delay of services, and improve service quality.
  • Fig. 3 is a flowchart of a data transmission method according to an exemplary embodiment.
  • the execution subject of the data transmission method may be a terminal. As shown in FIG. 1, the method includes the following steps 301-303:
  • the receiving network access device sends a first resource allocation message; wherein, the resource allocation message includes the size of the first sub-transport block and is used to characterize the availability of the target time slot for sending the first sub-transport block The first indication information of the domain resource and the second indication information of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the target transport block is segmented into a first sub-transport block and a second sub-transport block according to the size of the target transport block and the size of the first sub-transport block, and the size of the second sub-transport block is equal to the target transport block The difference between the size of and the size of the first sub-transport block.
  • step 303 the first sub-transport block is sent on the available time-domain resource of the target time slot, and the second sub-transport block is sent on the first time-domain resource for sending the second sub-transmission block on the next time slot of the target time slot Sub-transport block.
  • the target transmission block is segmented into a first sub-transmission block and a second sub-transmission block.
  • the first sub-transport block is sent on the available time-domain resources
  • the second sub-transport block is sent on the next time slot of the target time slot, so there is no need to wait until the next time slot has a sufficient number of continuous symbols before starting to transmit the target transport block. It can reduce waiting delay, reduce transmission delay, ensure high reliability and low delay of services, and improve service quality.
  • the first indication information includes: the number and first length of the first start symbol of the available time-domain resource of the target time slot; the second indication information includes: the next time slot of the target time slot The number and the second length of the second start symbol of the first time domain resource of the second sub-transport block are sent.
  • the first indication information includes: the value of the first indicator and the determination information; the second indication information includes: the value of the second indicator; after step 301, the method further includes step B1 And step B2:
  • step B1 according to the value of the first indicator and the determination information, the number and the first length of the first start symbol of the available time domain resource of the target time slot are determined.
  • step B2 according to the value of the second indicator, the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot are determined.
  • the network access device sends the first resource allocation message to the first indicator corresponding to the number of the first start symbol and the first length of the available time domain resource of the target time slot
  • the value of, and the number of the second start symbol of the first time domain resource and the value of the second indicator corresponding to the second length on the next time slot of the target time slot are also used to indicate to the terminal
  • the determination information of whether the number of the starting symbol is greater than the preset value informs the terminal that it is not limited by the sum of the number and length of the starting symbol of the time domain resource in the related art to exceed 14, and the terminal passes the value of the first indicator ,
  • the judgment information used to indicate whether the number of the first start symbol is greater than a preset value the number and length of the first start symbol of the available time domain resource of the target time slot can be accurately known, so that there is no need to wait until the next time slot has
  • the transmission of the target transmission block starts only when there are a sufficient number of continuous symbols, which can reduce the waiting delay
  • Fig. 4 is a block diagram of a data transmission device according to an exemplary embodiment.
  • the device may be applied to a network access device.
  • the data transmission device includes: a first determination module 401, a first segmentation module 402, a second determination module 403, and a first sending module 404; wherein:
  • the first determining module 401 is configured to determine the first sent on the available time domain resource of the target time slot when the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot The size of the sub-transport block;
  • the first segmenting module 402 is configured to segment the target transport block into a first sub-transport block and a second sub-transport block according to the size of the first sub-transport block; wherein, the time-domain resources required by the second sub-transport block The second length is equal to the difference between the target length and the first length;
  • the second determining module 403 is configured to determine the first time-domain resource for sending the second sub-transport block on the next time slot of the target time slot according to the second length of the time-domain resource required by the second sub-transport block;
  • the first sending module 404 is configured to send a first resource allocation message to the terminal; wherein, the resource allocation message includes the size of the first sub-transport block and is used to characterize the availability of the target time slot for sending the first sub-transport block The first indication information of the domain resource and the second indication information of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the target transmission block is segmented into a first sub-transmission block and a second sub-transmission block.
  • the first sub-transport block is sent on the available time-domain resources
  • the second sub-transport block is sent on the next time slot of the target time slot, so that there is no need to wait until the next time slot has a sufficient number of continuous symbols before starting to transmit the target transport block.
  • the first indication information includes: the number and first length of the first start symbol of the available time-domain resource of the target time slot; the second indication information includes: the next time slot of the target time slot The number and the second length of the second start symbol of the first time domain resource of the second sub-transport block are sent.
  • the first indication information includes: the value of the first indicator and the determination information; the second indication information includes: the value of the second indicator.
  • the data transmission device shown in FIG. 4 may further include: a third determination module 501 and a fourth determination module 502, where:
  • the third determining module 501 is configured to determine the value of the first indicator and whether the number of the first starting symbol is greater than the number of the first starting symbol and the first length of the available time domain resource of the target time slot Decision information of preset value;
  • the fourth determination module 502 is configured to determine the second indicator's number according to the number and second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot Value
  • the data transmission device shown in FIG. 4 may further include: a judgment module 601, a fifth determination module 602, and a second sending module 603, where:
  • the determining module 601 is configured to determine whether the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot;
  • the fifth determining module 602 is configured to determine that the available time domain resource of the target time slot is used to send the target transmission when the target length of the time domain resource required by the target transmission block is greater than the first length of the available time domain resource of the target time slot The second time domain resource of the block;
  • the second sending module 603 is configured to send a second resource allocation message to the terminal; wherein, the second resource allocation message includes a second time domain resource used to send the target transmission block on the available time domain resource to characterize the target time slot The third instruction.
  • Fig. 7 is a block diagram of a data transmission device according to an exemplary embodiment, which can be applied to a terminal.
  • the data transmission device includes: a receiving module 701, a second segmenting module 702, and a third sending module 703; where:
  • the receiving module 701 is configured to receive a first resource allocation message sent by the network access device; wherein the resource allocation message includes the size of the first sub-transport block and is used to characterize the availability of the target time slot for sending the first sub-transport block The first indication information of the time domain resource and the second indication information of the first time domain resource used to characterize the second time slot used to send the second sub-transport block on the next time slot of the target time slot;
  • the second segmentation module 702 is configured to segment the target transport block into a first sub-transport block and a second sub-transport block according to the size of the target transport block and the size of the first sub-transport block, and the size of the second sub-transport block Equal to the difference between the size of the target transport block and the size of the first sub-transport block;
  • the third sending module 703 is configured to send the first sub-transport block on the available time-domain resource of the target time slot and the first time-domain resource for sending the second sub-transport block on the next time slot of the target time slot Send the second sub-transport block.
  • the target transmission block is segmented into a first sub-transmission block and a second sub-transmission block.
  • the first sub-transport block is sent on the available time-domain resources
  • the second sub-transport block is sent on the next time slot of the target time slot, so there is no need to wait until the next time slot has a sufficient number of continuous symbols before starting to transmit the target transport block. It can reduce waiting delay, reduce transmission delay, ensure high reliability and low delay of services, and improve service quality.
  • the first indication information includes: the number and first length of the first start symbol of the available time-domain resource of the target time slot; the second indication information includes: the next time slot of the target time slot The number and the second length of the second start symbol of the first time domain resource of the second sub-transport block are sent.
  • the first indication information includes: the value of the first indicator and determination information; the second indication information includes: the value of the second indicator; as shown in FIG. 8 and FIG. 7
  • the data transmission device may further include: a sixth determination module 801 and a seventh determination module 802, where:
  • the sixth determining module 801 is configured to determine the number and the first length of the first start symbol of the available time-domain resource of the target time slot according to the value and determination information of the first indicator;
  • the seventh determining module 802 is configured to determine the value of the second indicator to determine the number and second number of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot length.
  • Fig. 9 is a block diagram of a data transmission device 900 according to an exemplary embodiment, which is applied to a network access device; the data transmission device 900 includes:
  • a memory 902 for storing processor executable instructions
  • the processor 901 is configured as:
  • the target transport block is segmented into a first sub-transport block and a second sub-transport block; where the second length of the time domain resource required by the second sub-transport block is equal to the target length and the second A difference in length;
  • the second length of the time domain resource required by the second sub-transport block determine the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot;
  • the resource allocation message includes the size of the first sub-transport block, first indication information to characterize the available time-domain resources for the target time slot used to send the first sub-transport block, And second indication information used to characterize the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the first indication information includes: the number and first length of the first start symbol of the available time-domain resource of the target time slot; the second indication information includes: the next time slot of the target time slot The number and the second length of the second start symbol of the first time domain resource of the second sub-transport block are sent.
  • the first indication information includes: the value of the first indicator and the determination information; the second indication information includes: the value of the second indicator.
  • the above processor 901 may also be configured as:
  • the above processor 901 may also be configured as:
  • the second resource allocation message includes third indication information on the second time domain resource used to send the target transmission block on the available time domain resource of the target time slot
  • Fig. 10 is a block diagram of a data transmission device 1000 according to an exemplary embodiment, which is applied to a terminal; the data transmission device 1000 includes:
  • the processor 1001 is configured as:
  • the receiving network access device sends a first resource allocation message; wherein, the resource allocation message includes the size of the first sub-transport block and a first characterizing the available time-domain resource for the target time slot used to send the first sub-transport block Indication information, and second indication information used to characterize the first time-domain resource for sending the second sub-transport block on the next time slot of the target time slot;
  • the target transport block is segmented into a first sub-transport block and a second sub-transport block.
  • the size of the second sub-transport block is equal to the size of the target transport block and the first The difference in the size of the sub-transport block;
  • the first sub-transport block is sent on the available time-domain resource of the target time slot
  • the second sub-transport block is sent on the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the first indication information includes: the number and first length of the first start symbol of the available time-domain resource of the target time slot; the second indication information includes: the next time slot of the target time slot The number and the second length of the second start symbol of the first time domain resource of the second sub-transport block are sent.
  • the first indication information includes: the value of the first indicator and the determination information; the second indication information includes: the value of the second indicator; the processor 1001 may also be configured to:
  • the value of the first indicator and the decision information determine the number and length of the first start symbol of the available time domain resource of the target time slot
  • the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot are determined.
  • Fig. 11 is a block diagram of a data transmission device according to an exemplary embodiment; the data transmission device 1100 is applicable to a terminal; the data transmission device 1100 may include one or more of the following components: a processing component 1102, a memory 1104, and a power component 1106 , A multimedia component 1108, an audio component 1110, an input/output (I/O) interface 1112, a sensor component 1114, and a communication component 1116.
  • a processing component 1102 a memory 1104, and a power component 1106
  • a multimedia component 1108 an audio component 1110, an input/output (I/O) interface 1112, a sensor component 1114, and a communication component 1116.
  • I/O input/output
  • the processing component 1102 generally controls the overall operations of the data transmission device 1100, such as operations associated with display, telephone calls, data communication, camera operations, and recording operations.
  • the processing component 1102 may include one or more processors 1120 to execute instructions to complete all or part of the steps in the above method.
  • the processing component 1102 may include one or more modules to facilitate interaction between the processing component 1102 and other components.
  • the processing component 1102 may include a multimedia module to facilitate interaction between the multimedia component 1108 and the processing component 1102.
  • the memory 1104 is configured to store various types of data to support the operation of the data transmission device 1100. Examples of these data include instructions for any application or method operating on the data transmission device 1100, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 1104 may be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable and removable Programmable read only memory (EPROM), programmable read only memory (PROM), read only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable and removable Programmable read only memory
  • PROM programmable read only memory
  • ROM read only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply component 1106 provides power to various components of the data transmission device 1100.
  • the power supply component 1106 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the data transmission device 1100.
  • the multimedia component 1108 includes a screen that provides an output interface between the data transmission device 1100 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundary of the touch or sliding action, but also detect the duration and pressure related to the touch or sliding operation.
  • the multimedia component 1108 includes a front camera and/or a rear camera. When the data transmission device 1100 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1110 is configured to output and/or input audio signals.
  • the audio component 1110 includes a microphone (MIC).
  • the microphone is configured to receive an external audio signal.
  • the received audio signal may be further stored in the memory 1104 or sent via the communication component 1116.
  • the audio component 1110 further includes a speaker for outputting audio signals.
  • the I/O interface 1112 provides an interface between the processing component 1102 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, or a button. These buttons may include, but are not limited to: home button, volume button, start button, and lock button.
  • the sensor component 1114 includes one or more sensors for providing the data transmission device 1100 with status evaluation in various aspects.
  • the sensor component 1114 can detect the on/off state of the data transmission device 1100, and the relative positioning of the components, such as the display and the keypad of the data transmission device 1100, and the sensor component 1114 can also detect the data transmission device 1100 or the data transmission device 1100
  • the position of a component changes, the presence or absence of user contact with the data transmission device 1100, the orientation or acceleration/deceleration of the data transmission device 1100, and the temperature change of the data transmission device 1100.
  • the sensor assembly 1114 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor assembly 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1114 may further include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 1116 is configured to facilitate wired or wireless communication between the data transmission device 1100 and other devices.
  • the data transmission device 1100 may access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G, 5G, or a combination thereof, or an intercom network.
  • the communication component 1116 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 1116 further includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the data transmission device 1100 may be used by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), on-site A programmable gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component is implemented to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA programmable gate array
  • controller microcontroller, microprocessor, or other electronic component is implemented to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 1104 including instructions, which can be executed by the processor 1120 of the data transmission device 1100 to complete the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, or the like.
  • Fig. 12 is a block diagram of a data transmission device according to an exemplary embodiment.
  • the data transmission device 1200 may be provided as a server.
  • the data transmission device 1200 includes a processing component 1202, which further includes one or more processors, and memory resources represented by the memory 1203, for storing instructions executable by the processing component 1202, such as application programs.
  • the application program stored in the memory 1203 may include one or more modules each corresponding to a set of instructions.
  • the processing component 1202 is configured to execute instructions to perform the above method.
  • the data transmission device 1200 may also include a power component 1206 configured to perform power management of the data transmission device 1200, a wired or wireless network interface 1205 configured to connect the data transmission device 1200 to a network, and an input/output (I/O ) Interface 1208.
  • the data transmission device 1200 can operate an operating system based on the memory 1203, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • a non-transitory computer-readable storage medium for example, the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.; when the storage medium Is executed by the processor of the data transmission device 1100 or the data transmission device 1200, so that the data transmission device 1100 or the data transmission device 1200 can execute the following method, and the method includes:
  • the receiving network access device sends a first resource allocation message; wherein, the resource allocation message includes the size of the first sub-transport block and a first characterizing the available time-domain resource for the target time slot used to send the first sub-transport block Indication information, and second indication information used to characterize the first time-domain resource for sending the second sub-transport block on the next time slot of the target time slot;
  • the target transport block is segmented into a first sub-transport block and a second sub-transport block.
  • the size of the second sub-transport block is equal to the size of the target transport block and the first The difference in the size of the sub-transport block;
  • the first sub-transport block is sent on the available time-domain resource of the target time slot
  • the second sub-transport block is sent on the first time-domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the first indication information includes: the number and the first length of the first start symbol of the available time domain resource of the target time slot;
  • the second indication information includes: the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot.
  • the first indication information includes: the value of the first indicator and the determination information; the second indication information includes: the value of the second indicator;
  • the method further includes:
  • the value of the first indicator and the decision information determine the number and length of the first start symbol of the available time domain resource of the target time slot
  • the number and the second length of the second start symbol of the first time domain resource used to send the second sub-transport block on the next time slot of the target time slot are determined.

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Abstract

本发明是关于一种数据传输方法及装置。该方法包括:当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在目标时隙的可用时域资源上发送的第一子传输块的大小;根据第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;其中,第二子传输块所需的时域资源的第二长度等于目标长度与第一长度的差值;根据第二子传输块所需的时域资源的第二长度,确定在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源;向终端发送第一资源分配消息。该技术方案能够减少等待时延,降低传输时延,保证业务的高可靠性和低时延,提高业务质量。

Description

数据传输方法及装置 技术领域
本发明涉及通信技术领域,尤其涉及一种数据传输方法及装置。
背景技术
由于不同业务类型对于无线通信技术有不同的服务质量要求,如增强移动宽带(eMBB,enhanced Mobile Broad Band)业务类型主要的要求侧重于大带宽、高速率等方面,高可靠低时延通信(URLLC,Ultra Reliable Low Latency Communication)业务类型主要的要求侧重于较高的可靠性以及低的时延方面,海量机器类通信(mMTC,massive machine type of communication)业务类型主要的要求侧重于大的连接数方面,因此,新一代的无线通信系统需要通过灵活和可配置的设计来支持多种业务类型的传输;例如,针对高可靠性和低时延的URLLC业务及eURLLC业务,需要支持的端到端时延要求达到0.5ms。
相关技术中,在物理下行共享信道(PDSCH,Physical Downlink Shared CHannel)/物理上行共享信道(PUSCH,Physical Uplink Shared CHannel)的资源调度中,将PDSCH开始的符号编号记为S,将PDSCH时域资源的长度记为L,并且,S和L由SLIV参数进行指示,即SLIV参数表征了S和L的取值,其中,0<L≤14-S;SLIV参数的取值由网络侧设备通过控制信令通知终端,终端根据SLIV参数的取值,可以确定PDSCH开始的符号编号S、及PDSCH时域资源的长度;但是,相关技术中一个传输突发不能跨slot边缘,若当前slot内的资源不能满足用户业务的数据传输,那只能等到下一个slot有持续足够的符号时才能进行传输,例如,若传输需要使用7个符号、且当前slot内没有7个符号用于传输,则只能等待到下一个slot才能进行传输,而这显然增大了等待时延,导致传输时延增大,尤其对于诸如URLLC业务及eURLLC业务等对传输可靠度及传输时延要求高的业务来说,难以满足业务的高可靠性和低时延要求,严重影响业务质量。
发明内容
本发明实施例提供一种数据传输方法及装置。所述技术方案如下:
根据本发明实施例的第一方面,提供一种数据传输方法,应用于网络接入设备,方法包括:
当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在所述目标时隙的可用时域资源上发送的第一子传输块的大小;
根据所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块;其中,所述第二子传输块所需的时域资源的第二长度等于所述目标长度与所述第一长度的差值;
根据所述第二子传输块所需的时域资源的第二长度,确定在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源;
向所述终端发送第一资源分配消息;其中,所述资源分配消息中包括所述第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二指示信息。
本发明的实施例提供的技术方案可以包括以下有益效果:该技术方案中通过当目标时隙内可用时域资源不能满足突发传输时,将目标传输块分段成为第一子传输块和第二子传输块,在目标时隙的可用时域资源上发送第一子传输块,且在目标时隙的下一时隙上发送第二子传输块,从而无需等到下一时隙有足够数量的持续符号时才传输目标传输块,能够减少等待时延,降低传输时延,保证业务的高可靠性和低时延,提高业务质量。
在一个实施例中,所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,在所述向所述终端发送第一资源分配消息之前,所述方法还包括:
根据所述目标时隙的可用时域资源的第一起始符号的编号及第一长度,确定第一指示符的取值、及用于指示所述第一起始符号的编号是否大于预设值的判定信息;
根据所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度,确定第二指示符的取值;
所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;
所述第二指示信息,包括:所述第二指示符的取值。
在一个实施例中,所述方法还包括:
判断所述目标传输块所需时域资源的目标长度是否大于所述目标时隙的可用时域资源的第一长度;
当所述目标传输块所需时域资源的目标长度大于所述目标时隙的可用时域资源的第一长度时,确定所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源;
向所述终端发送第二资源分配消息;其中,所述第二资源分配消息中包括用以表征所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源的第三指示信息。
根据本发明实施例的第二方面,提供一种数据传输方法,应用于终端,方法包括:
接收网络接入设备发送第一资源分配消息;其中,所述资源分配消息中包括第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
根据目标传输块的大小和所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块,所述第二子传输块的大小等于所述目标传输块的大小与所述第一子传输块的大小的差值;
在所述目标时隙的可用时域资源上发送所述第一子传输块,及在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源上发送所述第二子传输块。
在一个实施例中,所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;所述第二指示信息,包括:所述第二指示符的取值;
所述接收网络接入设备发送第一资源分配消息之后,所述方法还包括:
根据所述第一指示符的取值及所述判定信息,确定所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
根据所述第二指示符的取值,确定所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
根据本发明实施例的第三方面,提供一种数据传输装置,包括:
第一确定模块,用于当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在所述目标时隙的可用时域资源上发送的第一子传输块的大小;
第一分段模块,用于根据所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块;其中,所述第二子传输块所需的时域资源的第二长度等于所述目标长度与所述第一长度的差值;
第二确定模块,用于根据所述第二子传输块所需的时域资源的第二长度,确定在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源;
第一发送模块,用于向所述终端发送第一资源分配消息;其中,所述资源分配消息中包括所述第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二指示信息。
在一个实施例中,所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,所述装置还包括:
第三确定模块,用于根据所述目标时隙的可用时域资源的第一起始符号的编号及第一长度,确定第一指示符的取值、及用于指示所述第一起始符号的编号是否大于预设值的判定信息;
第四确定模块,用于根据所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度,确定第二指示符的取值;
所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;
所述第二指示信息,包括:所述第二指示符的取值。
在一个实施例中,所述装置还包括:
判断模块,用于判断所述目标传输块所需时域资源的目标长度是否大于所述目标时隙的可用时域资源的第一长度;
第五确定模块,用于当所述目标传输块所需时域资源的目标长度大于所述目标时隙的可用时域资源的第一长度时,确定所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源;
第二发送模块,用于向所述终端发送第二资源分配消息;其中,所述第二资源分配消息中包括用以表征所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源的第三指示信息。
根据本发明实施例的第四方面,提供一种数据传输装置,包括:
接收模块,用于接收网络接入设备发送第一资源分配消息;其中,所述资源分配消息中包括第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
第二分段模块,用于根据目标传输块的大小和所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块,所述第二子传输块的大小等于所述目标传输块的大小与所述第一子传输块的大小的差值;
第三发送模块,用于在所述目标时隙的可用时域资源上发送所述第一子传输块,及在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源上发送所述第二子传输块。
在一个实施例中,所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;所述第二指示信息,包括:所述第二指示符的取值;
所述装置还包括:
第六确定模块,用于根据所述第一指示符的取值及所述判定信息,确定所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
第七确定模块,用于所述第二指示符的取值,确定所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
根据本发明实施例的第五方面,提供一种数据传输装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在所述目标时隙的可用时域资源上发送的第一子传输块的大小;
根据所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块;其中,所述第二子传输块所需的时域资源的第二长度等于所述目标长度与所述第一长度的差值;
根据所述第二子传输块所需的时域资源的第二长度,确定在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源;
向所述终端发送第一资源分配消息;其中,所述资源分配消息中包括所述第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二指示信息。
根据本发明实施例的第六方面,提供一种数据传输装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:
接收网络接入设备发送第一资源分配消息;其中,所述资源分配消息中包括第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
根据目标传输块的大小和所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块,所述第二子传输块的大小等于所述目标传输块的大小与所述第一子传输块的大小的差值;
在所述目标时隙的可用时域资源上发送所述第一子传输块,及在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源上发送所述第二子传输块。
根据本发明实施例的第七方面,提供一种计算机可读存储介质,其上存储有计算机指令,该指令被处理器执行时实现上述第一方面所述方法的步骤。
根据本发明实施例的第八方面,提供一种计算机可读存储介质,其上存储有计算机指令,该指令被处理器执行时实现上述第二方面所述方法的步骤。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本发明。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本发明的实施例,并与说明书一起用于解释本发明的原理。
图1是根据一示例性实施例示出的一种数据传输方法的流程图。
图2是根据一示例性实施例示出的一种数据传输方法的流程图。
图3是根据一示例性实施例示出的一种数据传输方法的流程图。
图4是根据一示例性实施例示出的一种数据传输装置的框图。
图5是根据一示例性实施例示出的一种数据传输装置的框图。
图6是根据一示例性实施例示出的一种数据传输装置的框图。
图7是根据一示例性实施例示出的一种数据传输装置的框图。
图8是根据一示例性实施例示出的一种数据传输装置的框图。
图9是根据一示例性实施例示出的一种数据传输装置的框图。
图10是根据一示例性实施例示出的一种数据传输装置的框图。
图11是根据一示例性实施例示出的一种数据传输装置的框图。
图12是根据一示例性实施例示出的一种数据传输装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
本发明实施例提供了一种数据传输方法,应用于网络接入设备,方法包括:当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在目标时隙的可用时域资源上发送的第一子传输块的大小;根据第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;其中,第二子传输块所需的时域资源的第二长度等于目标长度与第一长度的差值;根据第二子传输块所需的时域资源的第二长度,确定在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源;向终端发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息。本发明实施例提供的数据传输方法中,通过当目标时隙内可用时域资源不能满足突发传输时,将目标传输块分段成为第一子传输块和第二子传输块,在目标时隙的可用时域资源上发送第一子传输块,且在目标时隙的下一时隙上发送第二子传输块,从而无需等到下一时隙有足够数量的持续符号时才传输目标传输块,能够减少等待时延,降低传输时延,保证业务的高可靠性和低时延,提高业务质量。
需要说明的是,本发明实施例提供的数据传输方法可以应用于3G/4G/5G通信网络中;本发明中涉及的终端例如可以包括:智能手机、车载设备、智能家电、笔记本、或智能穿戴设备等电子设备;本发明中涉及的网络接入设备例如可以包括:基站、或中继站等为终端提供无线接入服务的通信设备。
基于上述分析,提出以下各具体实施例。
图1是根据一示例性实施例示出的一种数据传输方法的流程图,该数据传输方法的执行主体可以为网络接入设备。如图1所示,该方法包括以下步骤101-104:
在步骤101中,当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在目标时隙的可用时域资源上发送的第一子传输块的大小。
示例的,在步骤101之前,方法还包括:根据待发送数据的缓存信息,确定目标传输块的大小;根据物理信道的状态信息,确定物理层资源映射时采用的调制方式和码率;根据目标传输块的大小、物理层资源映射时采用的调制方式和码率,确定目标传输块所需时域资源的目标长度。
示例的,步骤101中确定在目标时隙的可用时域资源上发送的第一子传输块的大小的实现方式包括:根据目标时隙的可用时域资源的第一长度和可用频域资源的大小、物理层资源映射时采用的调制方式和码率,确定第一子传输块的大小。
在步骤102中,根据第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;其中,第二子传输块所需的时域资源的第二长度等于目标长度与第一长度的差值。
示例的,第二子传输块的大小等于目标传输块的大小与第一子传输块的大小的差值。
在步骤103中,根据第二子传输块所需的时域资源的第二长度,确定在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源。
在步骤104中,向终端发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息。
以下行数据传输为例,当网络接入设备判定在突发传输中传输目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在目标时隙的可用时域资源上发送的第一子传输块的大小;根据第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;其中,第二子传输块所需的时域资源的第二长度等于目标长度与第一长度的差值;根据第二子传输块所需的时域资源的第二长度,确定在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源;网络接入设备向终端发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息。网络接入设备在目标时隙的可用时域资源上发送第一子传输块,及在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源上发送第二子传输块。终端在目标时隙的可用时域资源上接收第一子传输块,在目标时隙的下一时隙的第一时域资源上接收第二子传输块。
采用本发明实施例提供的技术方案,通过当目标时隙内可用时域资源不能满足突发传输时,将目标传输块分段成为第一子传输块和第二子传输块,在目标时隙的可用时域资源上发送第一子传输块,且在目标时隙的下一时隙上发送第二子传输块,从而无需等到下一时隙有足够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延,保证业 务的高可靠性和低时延,提高业务质量。
在一个实施例中,第一指示信息包括:目标时隙的可用时域资源的第一起始符号的编号及第一长度;第二指示信息包括:目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
以上行数据传输为例,网络接入设备通过第一资源分配消息,直接将用于发送第一子传输块的目标时隙的可用时域资源的第一起始符号的编号及第一长度、及用于发送第二子传输块的目标时隙的下一时隙上第一时域资源的第二起始符号的编号及第二长度通知终端;例如,在第一资源分配消息中使用4个比特位表征第一起始符号的编号,使用4个比特位表征第一长度,使用4个比特位表征目标时隙的下一时隙上第一时域资源的第二起始符号的编号,使用4个比特位表征第二长度。
终端通过解析第一资源分配消息,直接获知第一子传输块的大小、用于发送第一子传输块的目标时隙的可用时域资源的第一起始符号的编号及第一长度、及目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。终端根据目标传输块的大小和第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;在目标时隙的可用时域资源上发送第一子传输块,及在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源上发送第二子传输块。
采用本发明实施例提供的技术方案,网络接入设备通过下发第一资源分配消息,直接将目标时隙的可用时域资源的第一起始符号的编号及第一长度、及目标时隙的下一时隙上第一时域资源的第二起始符号的编号及第二长度通知终端,网络接入设备无需专门计算并下发S、的L指示符,例如SLIV,克服相关技术中对于时域资源的起始符号的编号与长度之和不能超过14的限定,从而无需等到下一时隙有足够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延。
在一个实施例中,第一指示信息包括:第一指示符的取值、及判定信息;第二指示信息包括:第二指示符的取值。在步骤104之前,方法还包括步骤A1和步骤A2:
在步骤A1中,根据目标时隙的可用时域资源的第一起始符号的编号及第一长度,确定第一指示符的取值、及用于指示第一起始符号的编号是否大于预设值的判定信息;
在步骤A2中,根据目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度,确定第二指示符的取值。
采用本发明实施例提供的技术方案,网络接入设备通过下发第一资源分配消息,在将目标时隙的可用时域资源的第一起始符号的编号及第一长度对应的第一指示符的取值、及目标时隙的下一时隙上第一时域资源的第二起始符号的编号及第二长度对应的第二指示符的取值通知终端的同时,还将用于指示第一起始符号的编号是否大于预设值的判定信息告知终端,不受相关技术中对于时域资源的起始符号的编号与长度之和不能超过14的限定,终端通过第一指示符的取值、及用于指示第一起始符号的编号是否大于预设值的判定信息,可以准确获知目标时隙的可用时域资源的第一起始符号的编号及第一长度,从而无需等到下一时隙有足 够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延。
图2是根据一示例性实施例示出的一种数据传输方法的流程图,该数据传输方法的执行主体可以为网络接入设备。如图1所示,该方法包括以下步骤201-207:
在步骤201中,判断目标传输块所需时域资源的目标长度是否大于目标时隙的可用时域资源的第一长度:当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,转到步骤202;当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,转到步骤204。
在步骤202中,确定目标时隙的可用时域资源上用于发送目标传输块的第二时域资源。
在步骤203中,向终端发送第二资源分配消息;其中,第二资源分配消息中包括用以表征目标时隙的可用时域资源上用于发送目标传输块的第二时域资源的第三指示信息。
在步骤204中,确定在目标时隙的可用时域资源上发送的第一子传输块的大小。
在步骤205中,根据第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;其中,第二子传输块所需的时域资源的第二长度等于目标长度与第一长度的差值。
示例的,第二子传输块的大小等于目标传输块的大小与第一子传输块的大小的差值。
在步骤206中,根据第二子传输块所需的时域资源的第二长度,确定在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源。
在步骤207中,向终端发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息。
采用本发明实施例提供的技术方案,通过当目标时隙内可用时域资源不能满足突发传输时,将目标传输块分段成为第一子传输块和第二子传输块,在目标时隙的可用时域资源上发送第一子传输块,且在目标时隙的下一时隙上发送第二子传输块,从而无需等到下一时隙有足够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延,保证业务的高可靠性和低时延,提高业务质量。
图3是根据一示例性实施例示出的一种数据传输方法的流程图,该数据传输方法的执行主体可以为终端。如图1所示,该方法包括以下步骤301-303:
在步骤301中,接收网络接入设备发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息。
在步骤302中,根据目标传输块的大小和第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块,第二子传输块的大小等于目标传输块的大小与第一子传输块的大小的差值。
在步骤303中,在目标时隙的可用时域资源上发送第一子传输块,及在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源上发送第二子传输块。
采用本发明实施例提供的技术方案,通过当目标时隙内可用时域资源不能满足突发传输时,将目标传输块分段成为第一子传输块和第二子传输块,在目标时隙的可用时域资源上发送第一子传输块,且在目标时隙的下一时隙上发送第二子传输块,从而无需等到下一时隙有足够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延,保证业务的高可靠性和低时延,提高业务质量。
在一个实施例中,第一指示信息,包括:目标时隙的可用时域资源的第一起始符号的编号及第一长度;第二指示信息,包括:目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,第一指示信息,包括:第一指示符的取值、及判定信息;第二指示信息,包括:第二指示符的取值;在步骤301之后,方法还包括步骤B1和步骤B2:
在步骤B1中,根据第一指示符的取值及判定信息,确定目标时隙的可用时域资源的第一起始符号的编号及第一长度。
在步骤B2中,根据第二指示符的取值,确定目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
采用本发明实施例提供的技术方案,网络接入设备通过下发第一资源分配消息,在将目标时隙的可用时域资源的第一起始符号的编号及第一长度对应的第一指示符的取值、及目标时隙的下一时隙上第一时域资源的第二起始符号的编号及第二长度对应的第二指示符的取值通知终端的同时,还将用于指示第一起始符号的编号是否大于预设值的判定信息告知终端,不受相关技术中对于时域资源的起始符号的编号与长度之和不能超过14的限定,终端通过第一指示符的取值、及用于指示第一起始符号的编号是否大于预设值的判定信息,可以准确获知目标时隙的可用时域资源的第一起始符号的编号及第一长度,从而无需等到下一时隙有足够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延。
下述为本发明装置实施例,可以用于执行本发明方法实施例。
图4是根据一示例性实施例示出的一种数据传输装置的框图,该装置可以应用于网络接入设备。参照图4,该数据传输装置包括:第一确定模块401、第一分段模块402、第二确定模块403及第一发送模块404;其中:
第一确定模块401被配置为当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在目标时隙的可用时域资源上发送的第一子传输块的大小;
第一分段模块402被配置为根据第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;其中,第二子传输块所需的时域资源的第二长度等于目标长度与第一长度的差值;
第二确定模块403被配置为根据第二子传输块所需的时域资源的第二长度,确定在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源;
第一发送模块404被配置为向终端发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指 示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息。
采用本发明实施例提供的装置,通过当目标时隙内可用时域资源不能满足突发传输时,将目标传输块分段成为第一子传输块和第二子传输块,在目标时隙的可用时域资源上发送第一子传输块,且在目标时隙的下一时隙上发送第二子传输块,从而无需等到下一时隙有足够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延,保证业务的高可靠性和低时延,提高业务质量。
在一个实施例中,第一指示信息,包括:目标时隙的可用时域资源的第一起始符号的编号及第一长度;第二指示信息,包括:目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,第一指示信息,包括:第一指示符的取值、及判定信息;第二指示信息,包括:第二指示符的取值。如图5所示,图4示出的数据传输装置还可以包括:第三确定模块501及第四确定模块502,其中:
第三确定模块501被配置为根据目标时隙的可用时域资源的第一起始符号的编号及第一长度,确定第一指示符的取值、及用于指示第一起始符号的编号是否大于预设值的判定信息;
第四确定模块502被配置为根据目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度,确定第二指示符的取值;
在一个实施例中,如图6所示,图4示出的数据传输装置还可以包括:判断模块601、第五确定模块602及第二发送模块603,其中:
判断模块601被配置为判断目标传输块所需时域资源的目标长度是否大于目标时隙的可用时域资源的第一长度;
第五确定模块602被配置为当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定目标时隙的可用时域资源上用于发送目标传输块的第二时域资源;
第二发送模块603被配置为向终端发送第二资源分配消息;其中,第二资源分配消息中包括用以表征目标时隙的可用时域资源上用于发送目标传输块的第二时域资源的第三指示信息。
图7是根据一示例性实施例示出的一种数据传输装置的框图,该装置可以应用于终端。参照图7,该数据传输装置包括:接收模块701、第二分段模块702及第三发送模块703;其中:
接收模块701被配置为接收网络接入设备发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
第二分段模块702被配置为根据目标传输块的大小和第一子传输块的大小,将目标传输 块分段为第一子传输块和第二子传输块,第二子传输块的大小等于目标传输块的大小与第一子传输块的大小的差值;
第三发送模块703被配置为在目标时隙的可用时域资源上发送第一子传输块,及在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源上发送第二子传输块。
采用本发明实施例提供的技术方案,通过当目标时隙内可用时域资源不能满足突发传输时,将目标传输块分段成为第一子传输块和第二子传输块,在目标时隙的可用时域资源上发送第一子传输块,且在目标时隙的下一时隙上发送第二子传输块,从而无需等到下一时隙有足够数量的持续符号时才开始传输目标传输块,能够减少等待时延,降低传输时延,保证业务的高可靠性和低时延,提高业务质量。
在一个实施例中,第一指示信息,包括:目标时隙的可用时域资源的第一起始符号的编号及第一长度;第二指示信息,包括:目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,第一指示信息,包括:第一指示符的取值、及判定信息;第二指示信息,包括:第二指示符的取值;如图8所示,图7示出的数据传输装置还可以包括:第六确定模块801及第七确定模块802,其中:
第六确定模块801被配置为根据第一指示符的取值及判定信息,确定目标时隙的可用时域资源的第一起始符号的编号及第一长度;
第七确定模块802被配置为第二指示符的取值,确定目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
图9是根据一示例性实施例示出的一种数据传输装置900的框图,应用于网络接入设备;数据传输装置900包括:
处理器901;
用于存储处理器可执行指令的存储器902;
其中,处理器901被配置为:
当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在目标时隙的可用时域资源上发送的第一子传输块的大小;
根据第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块;其中,第二子传输块所需的时域资源的第二长度等于目标长度与第一长度的差值;
根据第二子传输块所需的时域资源的第二长度,确定在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源;
向终端发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息。
在一个实施例中,第一指示信息,包括:目标时隙的可用时域资源的第一起始符号的编号及第一长度;第二指示信息,包括:目标时隙的下一时隙上用于发送第二子传输块的第一 时域资源的第二起始符号的编号及第二长度。
在一个实施例中,第一指示信息,包括:第一指示符的取值、及判定信息;第二指示信息,包括:第二指示符的取值。上述处理器901还可被配置为:
根据目标时隙的可用时域资源的第一起始符号的编号及第一长度,确定第一指示符的取值、及用于指示第一起始符号的编号是否大于预设值的判定信息;
根据目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度,确定第二指示符的取值;
在一个实施例中,上述处理器901还可被配置为:
判断目标传输块所需时域资源的目标长度是否大于目标时隙的可用时域资源的第一长度;
当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定目标时隙的可用时域资源上用于发送目标传输块的第二时域资源;
向终端发送第二资源分配消息;其中,第二资源分配消息中包括用以表征目标时隙的可用时域资源上用于发送目标传输块的第二时域资源的第三指示信息
图10是根据一示例性实施例示出的一种数据传输装置1000的框图,应用于终端;数据传输装置1000包括:
处理器1001;
用于存储处理器可执行指令的存储器1002;
其中,处理器1001被配置为:
接收网络接入设备发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
根据目标传输块的大小和第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块,第二子传输块的大小等于目标传输块的大小与第一子传输块的大小的差值;
在目标时隙的可用时域资源上发送第一子传输块,及在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源上发送第二子传输块。
在一个实施例中,第一指示信息,包括:目标时隙的可用时域资源的第一起始符号的编号及第一长度;第二指示信息,包括:目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,第一指示信息,包括:第一指示符的取值、及判定信息;第二指示信息,包括:第二指示符的取值;上述处理器1001还可被配置为:
根据第一指示符的取值及判定信息,确定目标时隙的可用时域资源的第一起始符号的编号及第一长度;
根据第二指示符的取值,确定目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
关于上述实施例中的装置,其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述,此处将不做详细阐述说明。
图11是根据一示例性实施例示出的一种数据传输装置的框图;数据传输装置1100适用于终端;数据传输装置1100可以包括以下一个或多个组件:处理组件1102,存储器1104,电源组件1106,多媒体组件1108,音频组件1110,输入/输出(I/O)的接口1112,传感器组件1114,以及通信组件1116。
处理组件1102通常控制数据传输装置1100的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件1102可以包括一个或多个处理器1120来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件1102可以包括一个或多个模块,便于处理组件1102和其他组件之间的交互。例如,处理组件1102可以包括多媒体模块,以方便多媒体组件1108和处理组件1102之间的交互。
存储器1104被配置为存储各种类型的数据以支持在数据传输装置1100的操作。这些数据的示例包括用于在数据传输装置1100上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器1104可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电源组件1106为数据传输装置1100的各种组件提供电力。电源组件1106可以包括电源管理系统,一个或多个电源,及其他与为数据传输装置1100生成、管理和分配电力相关联的组件。
多媒体组件1108包括在数据传输装置1100和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中,多媒体组件1108包括一个前置摄像头和/或后置摄像头。当数据传输装置1100处于操作模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1110被配置为输出和/或输入音频信号。例如,音频组件1110包括一个麦克风(MIC),当数据传输装置1100处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1104或经由通信组件1116发送。在一些实施例中,音频组件1110还包括一个扬声器,用于输出音频信号。
I/O接口1112为处理组件1102和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁 定按钮。
传感器组件1114包括一个或多个传感器,用于为数据传输装置1100提供各个方面的状态评估。例如,传感器组件1114可以检测到数据传输装置1100的打开/关闭状态,组件的相对定位,例如组件为数据传输装置1100的显示器和小键盘,传感器组件1114还可以检测数据传输装置1100或数据传输装置1100一个组件的位置改变,用户与数据传输装置1100接触的存在或不存在,数据传输装置1100方位或加速/减速和数据传输装置1100的温度变化。传感器组件1114可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1114还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件1114还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件1116被配置为便于数据传输装置1100和其他设备之间有线或无线方式的通信。数据传输装置1100可以接入基于通信标准的无线网络,如WiFi、2G、3G、4G、5G或它们的组合、或对讲网络。在一个示例性实施例中,通信组件1116经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,通信组件1116还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,数据传输装置1100可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子组件实现,用于执行上述方法。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器1104,上述指令可由数据传输装置1100的处理器1120执行以完成上述方法。例如,非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图12是根据一示例性实施例示出的一种数据传输装置的框图。例如,数据传输装置1200可以被提供为一服务器。数据传输装置1200包括处理组件1202,其进一步包括一个或多个处理器,以及由存储器1203所代表的存储器资源,用于存储可由处理组件1202的执行的指令,例如应用程序。存储器1203中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外,处理组件1202被配置为执行指令,以执行上述方法。
数据传输装置1200还可以包括一个电源组件1206被配置为执行数据传输装置1200的电源管理,一个有线或无线网络接口1205被配置为将数据传输装置1200连接到网络,和一个输入输出(I/O)接口1208。数据传输装置1200可以操作基于存储在存储器1203的操作系统,例如Windows ServerTM,Mac OS XTM,UnixTM,LinuxTM,FreeBSDTM或类似。
一种非临时性计算机可读存储介质,例如,非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等;当存储介质中的指令由数据传输装置1100或数据传输装置1200的处理器执行时,使得数据传输装置1100或数据传 输装置1200能够执行如下方法,方法包括:
接收网络接入设备发送第一资源分配消息;其中,资源分配消息中包括第一子传输块的大小、用以表征用于发送第一子传输块的目标时隙的可用时域资源的第一指示信息、及用以表征目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
根据目标传输块的大小和第一子传输块的大小,将目标传输块分段为第一子传输块和第二子传输块,第二子传输块的大小等于目标传输块的大小与第一子传输块的大小的差值;
在目标时隙的可用时域资源上发送第一子传输块,及在目标时隙的下一时隙上用于发送第二子传输块的第一时域资源上发送第二子传输块。
在一个实施例中,第一指示信息,包括:目标时隙的可用时域资源的第一起始符号的编号及第一长度;
第二指示信息,包括:目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
在一个实施例中,第一指示信息,包括:第一指示符的取值、及判定信息;第二指示信息,包括:第二指示符的取值;
接收网络接入设备发送第一资源分配消息之后,方法还包括:
根据第一指示符的取值及判定信息,确定目标时隙的可用时域资源的第一起始符号的编号及第一长度;
根据第二指示符的取值,确定目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
本领域技术人员在考虑说明书及实践这里的公开后,将容易想到本发明的其它实施方案。本申请旨在涵盖本发明的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本发明未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本发明的真正范围和精神由下面的权利要求指出。
应当理解的是,本发明并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。

Claims (18)

  1. 一种数据传输方法,其特征在于,应用于网络接入设备,所述方法包括:
    当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在所述目标时隙的可用时域资源上发送的第一子传输块的大小;
    根据所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块;其中,所述第二子传输块所需的时域资源的第二长度等于所述目标长度与所述第一长度的差值;
    根据所述第二子传输块所需的时域资源的第二长度,确定在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源;
    向所述终端发送第一资源分配消息;其中,所述资源分配消息中包括所述第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二指示信息。
  2. 如权利要求1所述的方法,其特征在于,
    所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
    所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
  3. 如权利要求1所述的方法,其特征在于,
    在所述向所述终端发送第一资源分配消息之前,所述方法还包括:
    根据所述目标时隙的可用时域资源的第一起始符号的编号及第一长度,确定第一指示符的取值、及用于指示所述第一起始符号的编号是否大于预设值的判定信息;
    根据所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度,确定第二指示符的取值;
    所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;
    所述第二指示信息,包括:所述第二指示符的取值。
  4. 如权利要求1所述的方法,其特征在于,所述方法还包括:
    判断所述目标传输块所需时域资源的目标长度是否大于所述目标时隙的可用时域资源的第一长度;
    当所述目标传输块所需时域资源的目标长度大于所述目标时隙的可用时域资源的第一长度时,确定所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源;
    向所述终端发送第二资源分配消息;其中,所述第二资源分配消息中包括用以表征所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源的第三指示信息。
  5. 一种数据传输方法,其特征在于,应用于终端,所述方法包括:
    接收网络接入设备发送第一资源分配消息;其中,所述资源分配消息中包括第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
    根据目标传输块的大小和所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块,所述第二子传输块的大小等于所述目标传输块的大小与所述第一子传输块的大小的差值;
    在所述目标时隙的可用时域资源上发送所述第一子传输块,及在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源上发送所述第二子传输块。
  6. 如权利要求5所述的方法,其特征在于,
    所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
    所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
  7. 如权利要求5所述的方法,其特征在于,
    所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;所述第二指示信息,包括:所述第二指示符的取值;
    所述接收网络接入设备发送第一资源分配消息之后,所述方法还包括:
    根据所述第一指示符的取值及所述判定信息,确定所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
    根据所述第二指示符的取值,确定所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
  8. 一种数据传输装置,其特征在于,包括:
    第一确定模块,用于当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在所述目标时隙的可用时域资源上发送的第一子传输块的大小;
    第一分段模块,用于根据所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块;其中,所述第二子传输块所需的时域资源的第二长度等于所述目标长度与所述第一长度的差值;
    第二确定模块,用于根据所述第二子传输块所需的时域资源的第二长度,确定在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源;
    第一发送模块,用于向所述终端发送第一资源分配消息;其中,所述资源分配消息中包括所述第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二指示信息。
  9. 如权利要求8所述的装置,其特征在于,
    所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
    所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
  10. 如权利要求8所述的装置,其特征在于,所述装置还包括:
    第三确定模块,用于根据所述目标时隙的可用时域资源的第一起始符号的编号及第一长度,确定第一指示符的取值、及用于指示所述第一起始符号的编号是否大于预设值的判定信息;
    第四确定模块,用于根据所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度,确定第二指示符的取值;
    所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;
    所述第二指示信息,包括:所述第二指示符的取值。
  11. 如权利要求8所述的装置,其特征在于,所述装置还包括:
    判断模块,用于判断所述目标传输块所需时域资源的目标长度是否大于所述目标时隙的可用时域资源的第一长度;
    第五确定模块,用于当所述目标传输块所需时域资源的目标长度大于所述目标时隙的可用时域资源的第一长度时,确定所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源;
    第二发送模块,用于向所述终端发送第二资源分配消息;其中,所述第二资源分配消息中包括用以表征所述目标时隙的可用时域资源上用于发送所述目标传输块的第二时域资源的第三指示信息。
  12. 一种数据传输装置,其特征在于,应用于终端,所述装置包括:
    接收模块,用于接收网络接入设备发送第一资源分配消息;其中,所述资源分配消息中包括第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
    第二分段模块,用于根据目标传输块的大小和所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块,所述第二子传输块的大小等于所述目标传输块的大小与所述第一子传输块的大小的差值;
    第三发送模块,用于在所述目标时隙的可用时域资源上发送所述第一子传输块,及在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源上发送所述第二子传输块。
  13. 如权利要求12所述的装置,其特征在于,
    所述第一指示信息,包括:所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
    所述第二指示信息,包括:所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
  14. 如权利要求12所述的装置,其特征在于,
    所述第一指示信息,包括:所述第一指示符的取值、及所述判定信息;所述第二指示信息,包括:所述第二指示符的取值;
    所述装置还包括:
    第六确定模块,用于根据所述第一指示符的取值及所述判定信息,确定所述目标时隙的可用时域资源的第一起始符号的编号及第一长度;
    第七确定模块,用于所述第二指示符的取值,确定所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二起始符号的编号及第二长度。
  15. 一种数据传输装置,其特征在于,包括:
    处理器;
    用于存储处理器可执行指令的存储器;
    其中,所述处理器被配置为:
    当目标传输块所需时域资源的目标长度大于目标时隙的可用时域资源的第一长度时,确定在所述目标时隙的可用时域资源上发送的第一子传输块的大小;
    根据所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块;其中,所述第二子传输块所需的时域资源的第二长度等于所述目标长度与所述第一长度的差值;
    根据所述第二子传输块所需的时域资源的第二长度,确定在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源;
    向所述终端发送第一资源分配消息;其中,所述资源分配消息中包括所述第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源的第二指示信息。
  16. 一种数据传输装置,其特征在于,包括:
    处理器;
    用于存储处理器可执行指令的存储器;
    其中,所述处理器被配置为:
    接收网络接入设备发送第一资源分配消息;其中,所述资源分配消息中包括第一子传输块的大小、用以表征用于发送所述第一子传输块的所述目标时隙的可用时域资源的第一指示信息、及用以表征所述目标时隙的下一时隙上用于发送第二子传输块的第一时域资源的第二指示信息;
    根据目标传输块的大小和所述第一子传输块的大小,将所述目标传输块分段为所述第一子传输块和第二子传输块,所述第二子传输块的大小等于所述目标传输块的大小与所述第一 子传输块的大小的差值;
    在所述目标时隙的可用时域资源上发送所述第一子传输块,及在所述目标时隙的下一时隙上用于发送所述第二子传输块的第一时域资源上发送所述第二子传输块。
  17. 一种计算机可读存储介质,其上存储有计算机指令,其特征在于,该指令被处理器执行时实现权利要求1-4中任一项所述方法的步骤。
  18. 一种计算机可读存储介质,其上存储有计算机指令,其特征在于,该指令被处理器执行时实现权利要求5-7中任一项所述方法的步骤。
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