WO2020088188A1 - Procédé de transmission, dispositif d'extrémité d'émission, dispositif d'extrémité de réception et dispositif côté réseau - Google Patents

Procédé de transmission, dispositif d'extrémité d'émission, dispositif d'extrémité de réception et dispositif côté réseau Download PDF

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Publication number
WO2020088188A1
WO2020088188A1 PCT/CN2019/109318 CN2019109318W WO2020088188A1 WO 2020088188 A1 WO2020088188 A1 WO 2020088188A1 CN 2019109318 W CN2019109318 W CN 2019109318W WO 2020088188 A1 WO2020088188 A1 WO 2020088188A1
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WIPO (PCT)
Prior art keywords
physical shared
transmission
shared channel
transmission resource
time
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PCT/CN2019/109318
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English (en)
Chinese (zh)
Inventor
鲁智
潘学明
李娜
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维沃移动通信有限公司
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Publication of WO2020088188A1 publication Critical patent/WO2020088188A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to a transmission method, a sending end device, a receiving end device, and a network side device.
  • the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) defines three major directions for 5G application scenarios : Enhanced Mobile Broadband (enhanced Mobile Broadband, eMBB), massive machine type communication (massive Machine Type of Communication), ultra-reliable, low-latency communication (ultra-Reliable Low-Latency Communication, uRLLC).
  • Enhanced Mobile Broadband enhanced Mobile Broadband
  • massive machine type communication massive Machine Type of Communication
  • ultra-reliable ultra-reliable
  • low-latency communication ultra-Reliable Low-Latency Communication
  • PDSCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink, Shared Channel
  • Embodiments of the present disclosure provide a transmission method, a sending-end device, a receiving-end device, and a network-side device, to solve the problem of mapping non-slot-level physical shared channels to transmission resources for repeated transmission.
  • an embodiment of the present disclosure provides a transmission method for a sending-end device, where the sending-end device is a network-side device or terminal.
  • the transmission method includes:
  • N physical shared channels are repeatedly transmitted; the N is an integer greater than 1; the physical uplink shared channel
  • the transmission resources of any one physical shared channel are continuously distributed in the time domain, and the transmission resources of any one physical shared channel are located in the same time slot.
  • an embodiment of the present disclosure provides another transmission method for a receiving end device, where the receiving end device is a network-side device or terminal.
  • the transmission method includes:
  • N is an integer greater than 1;
  • the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot.
  • an embodiment of the present disclosure provides another transmission method for a network-side device.
  • the transmission method includes:
  • the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel and the N, which is used by the terminal to determine the N physical units in combination with the slot format indication information Time domain resources of shared channels;
  • the physical uplink shared channel PUSCH repeatedly transmitted by the receiving terminal; in the time domain, the transmission resource of each PUSCH is continuously distributed, and the transmission resource of each physical shared channel is located in a time slot.
  • an embodiment of the present disclosure provides a sending-end device.
  • the sending-end device is a network-side device or a terminal.
  • the sending-end device includes:
  • the transmission module is used to repeatedly transmit N physical shared channels; N is an integer greater than 1;
  • the transmission resources of any one physical shared channel are continuously distributed in the time domain, and the transmission resources of any one physical shared channel are located in the same time slot.
  • an embodiment of the present disclosure provides a receiving end device.
  • the receiving end device is a network side device or a terminal.
  • the receiving end device includes:
  • a receiving module for receiving N physical shared channels that are repeatedly transmitted; N is an integer greater than 1;
  • the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot.
  • an embodiment of the present disclosure provides a network-side device, including:
  • a sending module configured to send repeated transmission instruction information to the terminal, where the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel and the N, which is used by the terminal to determine in combination with the slot format indication information Time domain resources of the N physical shared channels;
  • the receiving module is used to receive the physical uplink shared channel PUSCH repeatedly transmitted by the terminal; in the time domain, the transmission resource of each PUSCH is continuously distributed, and the transmission resource of each physical shared channel is located in a time slot.
  • an embodiment of the present disclosure provides a sending-end device, including a processor, a memory, and a computer program stored on the memory and executable on the processor, and the computer program is executed by the processor To implement the steps in the transmission method described in the first aspect above.
  • an embodiment of the present disclosure provides a receiving end device, including a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program being executed by the processor To implement the steps in the transmission method described in the second aspect above.
  • an embodiment of the present disclosure provides a network-side device, including a processor, a memory, and a computer program stored on the memory and executable on the processor, and the computer program is executed by the processor To implement the steps in the transmission method described in the third aspect above.
  • an embodiment of the present disclosure provides a computer-readable storage medium that stores a computer program on the computer-readable storage medium, and the computer program is executed by a processor to implement the transmission method described in the first aspect A step of.
  • an embodiment of the present disclosure provides a computer-readable storage medium that stores a computer program on the computer-readable storage medium, and when the computer program is executed by a processor, implements the transmission method described in the second aspect Steps.
  • an embodiment of the present disclosure provides a computer-readable storage medium that stores a computer program on the computer-readable storage medium, and when the computer program is executed by a processor, implements the transmission method described in the third aspect Steps.
  • the transmitting end device when the transmitting end device repeatedly transmits the physical shared channel with the receiving end device, the transmission resources of any physical shared channel can be continuously distributed in the time domain and located in the same time slot. Therefore, the mapping position of each non-slot-level physical shared channel to transmission resources for repeated transmission can be determined.
  • FIG. 1 is a flowchart of a transmission method provided by an embodiment of the present disclosure
  • 2a is one of the schematic diagrams of transmission resource distribution for repeatedly transmitting 4 physical shared channels provided by an embodiment of the present disclosure
  • 2b is a second schematic diagram of transmission resource distribution for repeatedly transmitting 4 physical shared channels provided by an embodiment of the present disclosure
  • 2c is a third schematic diagram of transmission resource distribution for repeatedly transmitting 4 physical shared channels provided by an embodiment of the present disclosure
  • FIG. 3a is one of the schematic diagrams of the repeated transmission of four physical shared channels provided by an embodiment of the present disclosure
  • 3b is a second schematic diagram of repeated transmission of four physical shared channels provided by an embodiment of the present disclosure.
  • 3c is a third schematic diagram of the repeated transmission of 4 physical shared channels provided by an embodiment of the present disclosure.
  • 4 is a fourth schematic diagram of repeated transmission of four physical shared channels provided by an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a sending end device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another sending end device provided by an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another sending end device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a receiving end device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another receiving end device provided by an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a network-side device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram of a hardware structure of a terminal provided by an embodiment of the present disclosure.
  • FIG. 14 is a schematic diagram of a hardware structure of a network-side device provided by an embodiment of the present disclosure.
  • FIG. 1 is a flowchart of a transmission method provided by an embodiment of the present disclosure, which is used for a sender device, where the sender device is a network-side device or terminal. As shown in FIG. 1, the method includes the following step:
  • Step 101 Repeat transmission of N physical shared channels; N is an integer greater than 1;
  • the transmission resources of any one physical shared channel are continuously distributed in the time domain, and the transmission resources of any one physical shared channel are located in the same time slot.
  • the above-mentioned physical shared channel may be a physical uplink shared channel PUSCH or a physical downlink shared channel PDSCH.
  • the repeated transmission of the N physical shared channels may be repeated transmission of N PDSCHs to the terminal, and when the sending end device is the terminal, the repeated transmission of the N physical shares
  • the channel may be that N PUSCHs are repeatedly transmitted to the network side device.
  • PUSCH For PUSCH, the method of the embodiment of the present disclosure is applicable to both PUSCH based on uplink authorization and PUSCH based on configuration authorization.
  • PUSCH refers to these two types of PUSCH.
  • N physical shared channels that are repeatedly transmitted may be distributed in one time slot or in multiple time slots.
  • the physical shared channel may be a shared channel based on non-slot scheduling, because a shared channel based on non-slot scheduling may be transmitted multiple times in a time slot, and these transmissions can be located in multiple The time slot, therefore, the problem of transmission conflict is more prominent, and the method of the embodiment of the present disclosure can better solve the problem of transmission conflict.
  • mapping strategy of the repeatedly transmitted physical shared channel to the transmission resource includes two requirements:
  • the transmission resources of any one of the N physical shared channels repeatedly transmitted above are continuously distributed in the time domain;
  • the transmission resource of any one of the above-mentioned N physically shared channels repeatedly transmitted is located in the same time slot.
  • the transmission resources of any physical shared channel can neither be separated nor span time slots.
  • the starting symbol of the repeated transmission is the symbol No. 8 in the first time slot (time slot n).
  • any PUSCH needs to be continuously distributed in the time domain and located in the same time slot. Therefore, the first three PUSCHs can be transmitted in the first time slot (time slot n), which are located in symbols 8, 9, 10, 11 and 12, 13 respectively, while the fourth PUSCH The second and third symbols in the second time slot (time slot n + 1) are transmitted.
  • Each PUSCH is continuously distributed in the time domain and located in the same time slot.
  • a PUSCH has a time domain length of 2, F represents a flexible symbol, U represents an uplink symbol, and D represents a downlink symbol.
  • the starting symbol of the repeated transmission is the symbol No. 7 in the time slot n.
  • the first PUSCH, the second PUSCH, and the third PUSCH are in the 7th, 8th symbols, 9th, 10th symbols, and 11th, 12th symbols in the first time slot (slot n), respectively. transmission. Since there is only one uplink symbol in the first time slot that can be transmitted, if the 13th symbol is allocated to the fourth PUSCH, the transmission resources of the fourth PUSCH will inevitably appear cross-slot and discontinuous, which does not satisfy the mapping Strategy. Therefore, in a specific embodiment of the present disclosure, the fourth PUSCH can only be transmitted in the second and third symbols of the second time slot (time slot n + 1).
  • the starting symbol of repeated transmission is the symbol No. 2 in the second time slot (time slot n + 1).
  • the first PUSCH, the second PUSCH, and the third PUSCH are transmitted in the second, third, and fourth symbols of the second time slot (time slot n + 1), respectively.
  • the symbol No. 6 is allocated to the third PUSCH, the transmission resources of the third PUSCH will inevitably appear discontinuous, which does not satisfy the mapping strategy. Therefore, in a specific embodiment of the present disclosure, the third PUSCH and the fourth PUSCH can only be transmitted in symbols 10-13 of the second time slot (time slot n + 1).
  • the transmitting end device transmits the physical shared channel with the receiving end device, it can perform repeated transmission according to the rules required by the transmission resources of any one physical shared channel specified in this embodiment to solve the transmission that occurs in the repeated transmission Conflict issues.
  • the sending-end device before repeatedly transmitting N physical shared channels, it may also receive repeated transmission instruction information from the network-side device, where the repeated transmission instruction information includes the time domain starting position S, physical sharing The length L of the channel and the N;
  • the transmission resources of the N physical shared channels in the time domain are determined according to the S, L, N and time slot format indication information.
  • the network-side device may first send repeated transmission instruction information to the terminal to indicate the terminal's time domain starting position S, the length of the physical shared channel L and the physical shared channel's time when the terminal repeatedly transmits The number N, in this way, the terminal needs to satisfy the rules required for the transmission resources of any physical shared channel according to the S, L, N and the known time slot format (that is, the symbol of each position in each time slot), In this way, the distribution of time domain resources of the N physical shared channels can be determined, and then repeated transmission can be performed according to the determined distribution of time domain resources.
  • the time of the 4 PUSCHs to be repeatedly transmitted can be determined
  • the distribution of domain resources is as follows: the first PUSCH is located on the 8th and 9th symbols on the first time slot, the second PUSCH is located on the 10th and 11th symbols on the first time slot, and the third PUSCH is on the first time slot Symbols 12 and 13 on the first time slot are transmitted, and the fourth PUSCH is located on symbols 2 and 3 on the second time slot.
  • the above method only needs to indicate the time-domain starting position S of the transmission resource of the first PUSCH, the length L of the physical shared channel, and the number of physical shared channels N can greatly reduce the overhead of the repeated indication information and save transmission resources.
  • the time difference between the start time of the first transmission resource and the end time of the second transmission resource is less than or equal to the first threshold, and the first transmission resource is: Of the N physical shared channels, the first A starting symbol of a physical shared channel, the second transmission resource is: the end symbol of the last physical shared channel among the N physical shared channels;
  • the transmission resources of the N physical shared channels are located in the same transmission cycle;
  • the time difference between the end time of the third transmission resource and the start time of the fourth transmission resource is less than or equal to the second threshold, and the third transmission resource is: among the adjacent physical shared channels, the physical shared channel transmitted earlier For the end symbol of, the fourth transmission resource is: the starting symbol of the physical shared channel to be transmitted later in the adjacent physical shared channel.
  • one or more of the N physical shared channels may be discarded in order of transmission time.
  • different treatments can be performed according to the following three situations:
  • the first case is that the start of the first transmission resource is not expected when the duration from the start time of the start symbol of the first transmission to the end time of the end symbol of the last transmission exceeds a preset time interval
  • the time difference between the moment and the end moment of the second transmission resource is less than or equal to the first threshold.
  • the first transmission resource is the start symbol of the first physical shared channel among the N physical shared channels
  • the second transmission resource is the last physical shared channel among the N physical shared channels
  • the first threshold may be a pre-defined time interval.
  • the time domain length Q of the first threshold is 16 symbols, and of the 4 physical shared channels to be repeatedly transmitted, the start symbol of the first physical shared channel starts from the fourth symbol to the fourth
  • the difference between the reception times of the end symbols of the physical shared channel is 18 symbols, which exceeds the length specified by the first threshold. Therefore, in specific embodiments of the present disclosure, the transmission resource of the fourth physical shared channel may be discarded, and the time difference between the start time of the start symbol of the first physical shared channel and the end time of the end symbol of the third physical shared channel It is 16 symbols and does not exceed the length of the first threshold. Therefore, resource transmission from the first physical shared channel to the third physical shared channel can be reserved.
  • the above-mentioned strategy can be controlled by the sending end device, for example, before each PUSCH is transmitted to determine whether transmission is required. Taking the repeated transmission of 4 PUSCHs as an example, as shown in FIG. 3a, before transmitting the second PUSCH, the start time of the first transmission resource (symbol 10 in time slot n) and the second transmission resource (time Whether the time difference between the end moments of the 13th symbol in slot n) exceeds the Q value, and if the judgment result indicates that it has not been exceeded, the transmission is continued.
  • the second case is that, in the case where the transmission resources of the N physical shared channels are expected to be in the same transmission cycle, the physical shared channels of the N physical shared channels that exceed the transmission cycle can be discarded.
  • the transmission period may be pre-configured. For example, as shown in FIG. 3b, when the first physical shared channel to the third physical shared channel of the four physical shared channels to be repeatedly transmitted are located in the same transmission period P, and the fourth physical shared channel is not completely located in the transmission During the period, the fourth physical shared channel may be discarded to ensure that the repeatedly transmitted physical shared channels are located in the same transmission period.
  • the above-mentioned strategy can be controlled by the sending end device, for example, before each PUSCH is transmitted to determine whether transmission is required. Taking the repeated transmission of 4 PUSCHs as an example, as shown in FIG. 3b, before transmitting the second PUSCH, it is determined whether the end symbol of the second PUSCH (symbol No. 5 in slot n + 1) is within the period P, If the judgment result indicates that it is within the period P, the transmission is continued. When the fourth PUSCH is transmitted, it is judged whether the end symbol of the fourth PUSCH (symbol 13 in slot n + 1) is located in the period P, and if the judgment result indicates that it is not in the period P, the fourth PUSCH is discarded .
  • the third case is that, when the time domain interval of the transmission resources of adjacent physical shared channels is not expected to exceed a preset interval, the time between the end of the third transmission resource and the start of the fourth transmission resource is specified.
  • the time difference is less than or equal to the second threshold, wherein the third transmission resource is an adjacent physical shared channel, the end symbol of the previously transmitted physical shared channel, and the fourth transmission resource is the adjacent physical shared channel ,
  • the starting symbol of the physical shared channel transmitted later, the second threshold may be a pre-defined time domain interval.
  • the time domain length O of the second threshold is 9 symbols, and of the 4 physical shared channels to be repeatedly transmitted, the end symbol of the second physical shared channel ends to the third physical
  • the time-domain interval between the start times of the start symbols of the shared channel is 10 symbols, which exceeds the interval length specified by the second threshold. Therefore, the third physical shared channel and the fourth physical shared channel can be discarded, and Only the first physical shared channel and the second physical shared channel are reserved.
  • the above-mentioned strategy can be controlled by the sending end device, for example, before each PUSCH is transmitted to determine whether transmission is required. Taking the repeated transmission of 4 PUSCHs as an example, as shown in FIG. 3c, before transmitting the second PUSCH, the start time of the third transmission resource (symbol 11 in time slot n) and the fourth transmission resource (time Whether the time difference between the end times of the twelfth symbol in slot n) exceeds the value of O, and if the judgment result indicates that it has not been exceeded, the transmission is continued.
  • the specific transmission mode of the N physical shared channels to be repeatedly transmitted may be determined according to a preset time domain restriction rule, so as to ensure that the time domain span of the repeatedly transmitted physical shared channels is not reached Too long.
  • non-slot level PDSCH / PUSCH transmission that is, the physical shared channel is based on non-slot scheduling
  • Changes (such as the adjustment of the transmission direction of the flexible symbol or the change of the flexible symbol scheduling method, for example, the change from a semi-static flexible symbol to a dynamically scheduled flexible symbol), resulting in the originally allocated resources in the adjusted time slot not being able to be transmitted Physically share the channel, thereby causing collisions in the transmission direction.
  • the terminal it is not expected that dynamic scheduling on the network side will cause such conflicts to occur, so for the network side, it can avoid those pre-assigned to physical shared channels during dynamic scheduling symbol. Or the terminal delays the transmission of the conflicting symbol until the continuous available resources can carry the transmission.
  • the repetition Transmission of N physical shared channels can be described as multi-segment transmission, which includes:
  • the physical shared channel to be transmitted may be discarded, or the sixth physical transmission resource after the fifth transmission resource may be used to transmit the physical shared channel to be transmitted; wherein,
  • the fifth transmission resource is: continuous transmission resources pre-allocated to the physical shared channel to be transmitted in the second time slot after the first time slot, and the sixth transmission resource is: in the time domain, Transmission resources continuously distributed in one time slot.
  • the transmission resource allocation of the four physical uplink shared channels PUSCH to be repeatedly transmitted in the first time slot and the second time slot is shown in FIG. 4, where the first PUSCH, the second PUSCH, and the third PUSCH are pre-allocated Symbols 8 to 13 in the first time slot (slot n) are in turn, and the fourth PUSCH is located in symbols 2 and 3 in the second time slot (slot n + 1).
  • the second symbol in the second time slot (time slot n + 1) changes from the F symbol to the D symbol, then the first 3 PUSCHs among the 4 PUSCHs can be repeatedly transmitted in the first time slot (time slot n), and The fourth PUSCH to be transmitted in the second time slot (time slot n + 1) is discarded, or the fourth PUSCH is delayed to the transmission of the symbols 3 and 4 in the second time slot (time slot n + 1).
  • the physical shared channel to be transmitted can be discarded as described in this embodiment, or the physical shared channel to be transmitted can be delayed to continuous Transmission resources distributed in a time slot are transmitted, so that conflicts in the transmission direction can be effectively resolved.
  • the sending-end device and the receiving-end device can also pre-configure the Redundancy Version (RV) corresponding to each physical shared channel that is transmitted.
  • RV Redundancy Version
  • the configuration of the redundant version can be implemented in different ways, as described in detail below.
  • a combination of high-level configuration and Downlink Control Information (DCI) indication can be used to indicate the RV version.
  • the high-level pre-configured RV mode can be used.
  • the configuration mode 1 is: ⁇ 0,2, 3,1 ⁇
  • mode 2 is ⁇ 0,0,0,0 ⁇
  • mode 3 is ⁇ 0,3,0,3 ⁇ , after the higher layer instructs to use one or more of these modes, then use DCI to instruct the terminal to transmit The mode used at the time.
  • the signaling shown in Table 1 below can be designed in the DCI to indicate the RV version used during repeated transmission, where different DCI signaling indicates different Transmission mode.
  • the terminal can determine the RV version used in each repeated transmission based on the received DCI signaling. For example, when the DCI signaling of "00" is received, it can determine that the RV0 is transmitted during the first transmission and the second time. RV2 is transmitted during transmission, RV3 is transmitted during the third transmission, and RV1 is transmitted during the fourth transmission.
  • a fixed RV mode can be used, and only DCI is used to indicate the RV version used in the repeated transmission.
  • the DCI can design the signaling shown in Table 2 below to indicate the repeated transmission. The RV version used. In this way, without using RCC signaling, only the DCI indication can be used to determine the RV sequence used in each repeated transmission, thereby reducing transmission overhead.
  • the terminal may determine the transmitted RV sequence in a repeated or truncated manner, that is, the terminal may determine the use of each repeated transmission according to the fixed RV mode and the number of transmissions RV sequence. For example, if DCI indicates the use of "00" in Table 2 as the RV sequence used in repeated transmissions, when DCI indicates that the number of repeated transmissions is 8, it may be determined in a repeating manner that each transmission in the 8 transmissions
  • the RV versions adopted are 0, 2, 3, 1, 0, 2, 3, 1, respectively. When DCI indicates that the number of repeated transmissions is 3, a truncated method can be adopted to determine which of the 3 transmissions is adopted respectively.
  • the RV version is 0, 2, 3.
  • the above terminal may be any device with a storage medium, for example: a computer (Computer), a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (personal digital assistant) , PDA), mobile Internet device (Mobile Internet Device, MID) or wearable device (Wearable Device) and other terminal devices.
  • a computer Computer
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA personal digital assistant
  • mobile Internet device Mobile Internet Device, MID
  • Wearable Device wearable device
  • the transmission resource of any physical shared channel can satisfy the rule of continuous distribution in the time domain and located in the same time slot The transmission is performed, so that the mapping position of each physical shared channel repeatedly transmitted to the transmission resource can be determined.
  • FIG. 5 is a flowchart of another transmission method provided by an embodiment of the present disclosure, which is used for a receiver device, and the receiver device is a network-side device or terminal. As shown in FIG. 5, the method includes The following steps:
  • Step 501 Receive N physical shared channels that are repeatedly transmitted; where N is an integer greater than 1;
  • the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot.
  • this embodiment is an implementation manner of the receiving end device corresponding to the embodiment shown in FIG. 1.
  • the method further includes:
  • the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel and the N, and is used for the terminal to determine the N physical shared channels in combination with the slot format indication information Transmission resources in the time domain.
  • the time difference between the start time of the first transmission resource and the end time of the second transmission resource is less than or equal to the first threshold, and the first transmission resource is: Of the N physical shared channels, the first A starting symbol of a physical shared channel, the second transmission resource is: the end symbol of the last physical shared channel among the N physical shared channels;
  • the transmission resources of the N physical shared channels are located in the same transmission cycle;
  • the time difference between the end time of the third transmission resource and the start time of the fourth transmission resource is less than or equal to the second threshold, and the third transmission resource is: among the adjacent physical shared channels, the physical shared channel transmitted earlier For the end symbol of, the fourth transmission resource is: the starting symbol of the physical shared channel to be transmitted later in the adjacent physical shared channel.
  • the transmission resources of any physical shared channel can be continuously distributed in the time domain and located in the same time slot. Therefore, the mapping position of each physical shared channel repeatedly transmitted to the transmission resource can be determined.
  • FIG. 6 is a flowchart of another transmission method provided by an embodiment of the present disclosure, for a network-side device, and the receiving-end device is a network-side device or terminal. As shown in FIG. 6, the method includes The following steps:
  • Step 601 Send repeated transmission instruction information to the terminal, where the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel, and the N, which is used by the terminal to determine the combination of slot format indication information
  • the transmission resources of N physical shared channels in the time domain
  • Step 602 The receiving terminal repeatedly transmits the physical shared channel; in the time domain, the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot.
  • this embodiment is an implementation of the network-side device corresponding to the embodiment shown in FIG. 1.
  • this embodiment will not repeat them.
  • the terminal can determine the N physical shared channels by combining the time slot format indication information with the repeated transmission indication information including the time domain starting position S, the length L of the physical shared channel and the N Time domain resources to further reduce the overhead of the repeated indication information and save transmission resources.
  • FIG. 7 is a schematic structural diagram of a sending end device according to an embodiment of the present disclosure.
  • the sending end device is a network side device or terminal. As shown in FIG. 7, the sending end device 700 includes:
  • the transmission module 701 is configured to repeatedly transmit N physical shared channels; N is an integer greater than 1;
  • the transmission resources of any one physical shared channel are continuously distributed in the time domain, and the transmission resources of any one physical shared channel are located in the same time slot.
  • the sending end device 700 further includes:
  • the receiving module 702 is configured to receive repeated transmission instruction information from the network side device, where the repeated transmission instruction information includes a time domain start position S, a length L of the physical shared channel, and the N;
  • the determining module 703 is configured to determine the transmission resources of the N physical shared channels in the time domain according to the S, L, N and time slot format indication information.
  • the time difference between the start time of the first transmission resource and the end time of the second transmission resource is less than or equal to the first threshold, and the first transmission resource is: Of the N physical shared channels, the first A starting symbol of a physical shared channel, the second transmission resource is: the end symbol of the last physical shared channel among the N physical shared channels;
  • the transmission resources of the N physical shared channels are located in the same transmission cycle;
  • the time difference between the end time of the third transmission resource and the start time of the fourth transmission resource is less than or equal to the second threshold, and the third transmission resource is: among the adjacent physical shared channels, the physical shared channel transmitted earlier For the end symbol of, the fourth transmission resource is: the starting symbol of the physical shared channel to be transmitted later in the adjacent physical shared channel.
  • the transmission module 701 specifically includes:
  • the transmission unit 7011 is configured to repeatedly transmit the first M physical shared channels of the N physical shared channels in the first time slot, where M is a positive integer less than N, and in the time domain, the M physical shared channels In the channel, the transmission resources of any physical shared channel are continuously distributed in the time domain;
  • the processing unit 7012 is configured to discard the physical shared channel to be transmitted when the symbol type in the first transmission resource changes, or transmit the physical shared channel to be transmitted using the second transmission resource after the first transmission resource;
  • the first transmission resource is: a continuous transmission resource pre-allocated to the physical shared channel to be transmitted in a second time slot after the first time slot, and the second transmission resource is: in the time domain , Continuously distributed transmission resources in a time slot.
  • the sending-end device 700 can implement various processes implemented by the sending-end device in the method embodiment of FIG. 1. To avoid repetition, details are not described herein again.
  • the transmitting device 700 of the embodiment of the present disclosure repeatedly transmits the physical shared channel with the receiving device, the transmission resources of any physical shared channel can be continuously distributed in the time domain and located in the same time slot. So that the mapping position of each physical shared channel repeatedly transmitted to the transmission resource can be determined.
  • FIG. 10 is a schematic structural diagram of a receiving end device according to an embodiment of the present disclosure.
  • the receiving end device is a network side device or terminal.
  • the receiving end device 1000 includes:
  • the receiving module 1001 is configured to receive N physical shared channels for repeated transmission; the N is an integer greater than 1;
  • the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot.
  • the receiving end device 1000 when the receiving end device 1000 is a network side device, the receiving end device 1000 further includes:
  • the sending module 1002 is configured to send repeated transmission instruction information, where the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel, and the N, which is used by the terminal to determine Describe the transmission resources of the N physical shared channels in the time domain.
  • the time difference between the start time of the first transmission resource and the end time of the second transmission resource is less than or equal to the first threshold, and the first transmission resource is: Of the N physical shared channels, the first A starting symbol of a physical shared channel, the second transmission resource is: the end symbol of the last physical shared channel among the N physical shared channels;
  • the transmission resources of the N physical shared channels are located in the same transmission cycle;
  • the time difference between the end time of the third transmission resource and the start time of the fourth transmission resource is less than or equal to the second threshold, and the third transmission resource is: among the adjacent physical shared channels, the physical shared channel transmitted earlier For the end symbol of, the fourth transmission resource is: the starting symbol of the physical shared channel to be transmitted later in the adjacent physical shared channel.
  • the receiving-end device 1000 can implement various processes implemented by the receiving-end device in the method embodiment of FIG. 5. To avoid repetition, details are not described herein again.
  • the receiving end device 1000 of the embodiment of the present disclosure repeatedly transmits the physical shared channel with the sending end device, the transmission resources of any physical shared channel can be continuously distributed in the time domain and located in the same time slot. So that the mapping position of each physical shared channel repeatedly transmitted to the transmission resource can be determined.
  • FIG. 12 is a schematic structural diagram of a network-side device according to an embodiment of the present disclosure. As shown in FIG. 12, the network-side device 1200 includes:
  • the sending module 1202 is configured to send repeated transmission instruction information to the terminal.
  • the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel, and the N, which is used by the terminal to combine slot format indication information Determining transmission resources of the N physical shared channels in the time domain;
  • the receiving module 1202 is configured to receive N physical shared channels repeatedly transmitted by the terminal; in the time domain, the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot;
  • the network-side device 1200 can implement various processes implemented by the network-side device in the method embodiment of FIG. 6. To avoid repetition, details are not described herein again.
  • the network-side device 1200 of the embodiment of the present disclosure can send the terminal repeated position indication information including the time domain starting position S, the length L of the physical shared channel and the N to the terminal, so that the terminal can determine the N in combination with the slot format indication information Time domain resources of a physical shared channel, thereby reducing the overhead of the repeated indication information and saving transmission resources.
  • the terminal 1300 includes but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, The user input unit 1307, interface unit 1308, memory 1309, processor 1310, power supply 1311 and other components.
  • the sending end devices include, but are not limited to, mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, wearable devices, and pedometers.
  • the radio frequency unit 1301 is used to repeatedly transmit N physical shared channels; the N is an integer greater than 1;
  • the transmission resources of any one physical shared channel are continuously distributed in the time domain, and the transmission resources of any one physical shared channel are located in the same time slot.
  • the radio frequency unit 1301 is also used to:
  • the repeated transmission instruction information includes a time domain starting position S, a length L of the physical shared channel, and the N;
  • the processor 1310 is used to:
  • the transmission resources of the N physical shared channels in the time domain are determined according to the S, L, N and time slot format indication information.
  • the time difference between the start time of the first transmission resource and the end time of the second transmission resource is less than or equal to the first threshold, and the first transmission resource is: Of the N physical shared channels, the first A starting symbol of a physical shared channel, the second transmission resource is: the end symbol of the last physical shared channel among the N physical shared channels;
  • the transmission resources of the N physical shared channels are located in the same transmission cycle;
  • the time difference between the end time of the third transmission resource and the start time of the fourth transmission resource is less than or equal to the second threshold, and the third transmission resource is: among the adjacent physical shared channels, the physical shared channel transmitted earlier For the end symbol of, the fourth transmission resource is: the starting symbol of the physical shared channel to be transmitted later in the adjacent physical shared channel.
  • the radio frequency unit 1301 is also used to:
  • the physical shared channel to be transmitted is discarded, or the second physical transmission channel after the first transmission resource is used to transmit the physical shared channel to be transmitted;
  • the terminal 1300 can implement various processes implemented by the sending end device in the foregoing embodiments, and to avoid repetition, details are not described herein again.
  • the terminal 1300 of the embodiment of the present disclosure can transmit according to the rule that the transmission resources of any physical shared channel are continuously distributed in the time domain and are located in the same time slot, thereby The mapping position of each physical shared channel repeatedly transmitted to the transmission resource can be determined.
  • the radio frequency unit 1301 may be used to receive and send signals during sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, the processor 1310 processes it; The uplink data is sent to the base station.
  • the radio frequency unit 1301 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 1301 can also communicate with the network and other devices through a wireless communication system.
  • the sending device provides wireless broadband Internet access to the user through the network module 1302, such as helping the user to send and receive e-mail, browse the web, and access streaming media.
  • the audio output unit 1303 may convert the audio data received by the radio frequency unit 1301 or the network module 1302 or stored in the memory 1309 into an audio signal and output as sound. Moreover, the audio output unit 1303 may also provide audio output (eg, call signal reception sound, message reception sound, etc.) related to a specific function performed by the transmitting end device 1300.
  • the audio output unit 1303 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 1304 is used to receive audio or video signals.
  • the input unit 1304 may include a graphics processor (Graphics, Processing, Unit, GPU) 13041 and a microphone 13042, and the graphics processor 13041 may process a still picture or a video image obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode The data is processed.
  • the processed image frame may be displayed on the display unit 1306.
  • the image frame processed by the graphics processor 13041 may be stored in the memory 1309 (or other storage medium) or sent via the radio frequency unit 1301 or the network module 1302.
  • the microphone 13042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 1301 in the case of a telephone call mode and output.
  • the sending end device 1300 further includes at least one sensor 1305, such as an optical sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 13061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 13061 when the transmitting device 1300 moves to the ear And / or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when at rest.
  • sensor 1305 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers , Infrared sensors, etc., will not repeat them here.
  • the display unit 1306 is used to display information input by the user or information provided to the user.
  • the display unit 1306 may include a display panel 13061, and the display panel 13061 may be configured in the form of a liquid crystal display (Liquid Crystal) (LCD), an organic light emitting diode (Organic Light-Emitting Diode, OLED), or the like.
  • LCD Liquid Crystal
  • OLED Organic Light-Emitting Diode
  • the user input unit 1307 can be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the sending end device.
  • the user input unit 1307 includes a touch panel 13071 and other input devices 13072.
  • the touch panel 13071 also known as a touch screen, can collect user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc. on or near the touch panel 13071 operating).
  • the touch panel 13071 may include a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into contact coordinates, and then sends To the processor 1310, the command sent from the processor 1310 is received and executed.
  • the touch panel 13071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 1307 may also include other input devices 13072.
  • other input devices 13072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, and details are not described herein again.
  • the touch panel 13071 can be overlaid on the display panel 13061. After the touch panel 13071 detects a touch operation on or near it, it is transmitted to the processor 1310 to determine the type of touch event, and then the processor 1310 according to the touch The type of event provides corresponding visual output on the display panel 13061.
  • the touch panel 13071 and the display panel 13061 are implemented as two independent components to implement the input and output functions of the sending device, in some embodiments, the touch panel 13071 and the display panel 13061 may be used. Integration and implementation of the input and output functions of the sending end device are not limited here.
  • the interface unit 1308 is an interface for connecting an external device to the sending-end device 1300.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input / output (I / O) port, video I / O port, headphone port, etc.
  • the interface unit 1308 may be used to receive input (eg, data information, power, etc.) from an external device and transmit the received input to one or more elements within the transmitting device 1300 or may be used at the transmitting device 1300 Transfer data with external devices.
  • the memory 1309 can be used to store software programs and various data.
  • the memory 1309 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one function required application programs (such as sound playback function, image playback function, etc.); the storage data area may store Data created by the use of mobile phones (such as audio data, phone books, etc.), etc.
  • the memory 1309 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 1310 is the control center of the transmitting-end device, and uses various interfaces and lines to connect the various parts of the entire transmitting-end device, by running or executing the software programs and / or modules stored in the memory 1309, and calling the stored in the memory 1309 Data, perform various functions and process data of the sending device, so as to monitor the sending device as a whole.
  • the processor 1310 may include one or more processing units; optionally, the processor 1310 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs, etc.
  • the modulation processor mainly handles wireless communication. It can be understood that, the foregoing modem processor may not be integrated into the processor 1310.
  • the sending device 1300 may further include a power supply 1311 (such as a battery) that supplies power to various components.
  • a power supply 1311 (such as a battery) that supplies power to various components.
  • the power supply 1311 may be logically connected to the processor 1310 through a power management system, so as to implement management of charging, discharging, and power through the power management system Consumption management and other functions.
  • the sending end device 1300 includes some function modules not shown, which will not be repeated here.
  • an embodiment of the present disclosure further provides a sending-end device, including a processor 1310, a memory 1309, and a computer program stored on the memory 1309 and executable on the processor 1310.
  • the computer program is used by the processor 1310 During execution, each process of the embodiment of the transmission method shown in FIG. 1 can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not described here.
  • Embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium.
  • the computer program is executed by a processor, the processes of the embodiment of the transmission method shown in FIG. 1 are implemented and can be achieved The same technical effect will not be repeated here to avoid repetition.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • FIG. 14 is a schematic structural diagram of another network-side device according to an embodiment of the present disclosure.
  • the network-side device 1400 includes a processor 1401, a memory 1402, a bus interface 1403, and a transceiver 1404, where the processor 1401, the memory 1402, and the transceiver 1404 are all connected to the bus interface 1403.
  • the network-side device 1400 further includes: a computer program stored on the memory 1402 and executable on the processor 1401.
  • the computer program is executed by the processor 1401 to implement the following steps :
  • N is an integer greater than 1;
  • the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot.
  • the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel and the N, and is used for the terminal to determine the N physical shared channels in combination with the slot format indication information Transmission resources in the time domain.
  • the time difference between the start time of the first transmission resource and the end time of the second transmission resource is less than or equal to the first threshold, and the first transmission resource is: Of the N physical shared channels, the first A starting symbol of a physical shared channel, the second transmission resource is: the end symbol of the last physical shared channel among the N physical shared channels;
  • the transmission resources of the N physical shared channels are located in the same transmission cycle;
  • the time difference between the end time of the third transmission resource and the start time of the fourth transmission resource is less than or equal to the second threshold, and the third transmission resource is: among the adjacent physical shared channels, the physical shared channel transmitted earlier For the end symbol of, the fourth transmission resource is: the starting symbol of the physical shared channel to be transmitted later in the adjacent physical shared channel.
  • the network side device 1400 when the network side device 1400 repeatedly transmits the physical shared channel with the terminal, it can transmit according to the rule that the transmission resources of any physical shared channel are continuously distributed in the time domain and located in the same time slot, thereby The mapping position of each physical shared channel repeatedly transmitted to the transmission resource can be determined.
  • the repeated transmission instruction information includes: a time domain starting position S, a length L of the physical shared channel and the N, which is used by the terminal to determine the N physical units in combination with the slot format indication information Transmission resources of the shared channel in the time domain;
  • the physical shared channel repeatedly transmitted by the receiving terminal; in the time domain, the transmission resources of each physical shared channel are continuously distributed, and the transmission resources of each physical shared channel are located in a time slot.
  • the network-side device sends the terminal repeated transmission indication information including the time domain starting position S, the length L of the physical shared channel, and the N, so that the terminal can determine the N number in combination with the slot format indication information
  • the time domain resources of the physical shared channel further reduce the overhead of the repeated indication information and save transmission resources.
  • An embodiment of the present disclosure also provides another computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, each process of the embodiment of the transmission method shown in FIG. 5 is implemented, and To achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the computer-readable storage medium such as ROM, RAM, magnetic disk or optical disk, etc.
  • An embodiment of the present disclosure also provides another computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, the processes of the embodiment of the transmission method shown in FIG. 6 are implemented, and To achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the computer-readable storage medium such as ROM, RAM, magnetic disk or optical disk, etc.

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Abstract

La présente invention concerne un procédé de transmission, un dispositif d'extrémité d'émission, un dispositif d'extrémité de réception et un dispositif côté réseau, le procédé comprenant : la retransmission de N canaux partagés physiques, N étant un nombre entier supérieur à un ; dans le domaine temporel, les ressources de transmission de n'importe quel canal physique partagé sont distribuées de façon continue dans le domaine temporel, et les ressources de transmission de n'importe quel canal physique partagé sont situées dans le même créneau temporel.
PCT/CN2019/109318 2018-11-01 2019-09-30 Procédé de transmission, dispositif d'extrémité d'émission, dispositif d'extrémité de réception et dispositif côté réseau WO2020088188A1 (fr)

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CN115801200A (zh) * 2021-09-10 2023-03-14 大唐移动通信设备有限公司 多时隙传输方法、装置、终端及网络侧设备

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