WO2021146950A1 - Procédé et appareil de détermination de ressource retransmise, et dispositif terminal - Google Patents

Procédé et appareil de détermination de ressource retransmise, et dispositif terminal Download PDF

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Publication number
WO2021146950A1
WO2021146950A1 PCT/CN2020/073621 CN2020073621W WO2021146950A1 WO 2021146950 A1 WO2021146950 A1 WO 2021146950A1 CN 2020073621 W CN2020073621 W CN 2020073621W WO 2021146950 A1 WO2021146950 A1 WO 2021146950A1
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WIPO (PCT)
Prior art keywords
time
terminal device
parameter
uplink channel
pusch
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PCT/CN2020/073621
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English (en)
Chinese (zh)
Inventor
方昀
徐婧
付喆
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Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080077062.6A priority Critical patent/CN114641961B/zh
Priority to PCT/CN2020/073621 priority patent/WO2021146950A1/fr
Publication of WO2021146950A1 publication Critical patent/WO2021146950A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and in particular to a method and device for determining retransmission resources, and terminal equipment.
  • Uplink data scheduling may be semi-statically configured by the network through pre-configured scheduling (CG, Config Grant), or dynamically scheduled by the network through downlink control signaling (Downlink Control Information, DCI) signaling. Since the network side is introduced to schedule the transmission of uplink data through dynamic scheduling, at this time, it is not clear whether to choose dynamically scheduled resources or semi-statically configured resources.
  • CG pre-configured scheduling
  • DCI Downlink Control Information
  • the embodiments of the present application provide a method and device for determining retransmission resources, and terminal equipment.
  • the terminal device sends the first uplink channel at the first time, and the terminal device determines according to the semi-static configuration that the first uplink channel can be retransmitted at the second time;
  • the terminal device receives scheduling signaling at a third time, where the scheduling signaling is used to instruct the first uplink channel to retransmit at a fourth time;
  • the terminal device determines the retransmission time of the first uplink channel based on the second time, the third time, and the fourth time.
  • the terminal device sends the first uplink channel at the first time, and the terminal device determines according to the semi-static configuration that the first uplink channel can be retransmitted at the second time;
  • the terminal device determines that the retransmission time of the first uplink channel is the fourth time indicated by the scheduling signaling ;
  • the terminal device determines that the retransmission time of the first uplink channel is the second time.
  • a sending unit configured to send the first uplink channel at the first time
  • a determining unit configured to determine, according to a semi-static configuration, that the first uplink channel can be retransmitted at a second time
  • a receiving unit configured to receive scheduling signaling at a third time, where the scheduling signaling is used to instruct the first uplink channel to retransmit at a fourth time;
  • the determining unit is further configured to determine the retransmission time of the first uplink channel based on the second time, the third time, and the fourth time.
  • a sending unit configured to send the first uplink channel at the first time
  • a determining unit configured to determine, according to a semi-static configuration, that the first uplink channel can be retransmitted at a second time
  • the determining unit is further configured to determine that the retransmission time of the first uplink channel is the scheduling signaling indication if the terminal equipment receives the scheduling signaling within a third time period after the first time If the terminal device does not receive the scheduling signaling within the third time period after the first time, the retransmission time of the first uplink channel is determined to be the second time.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned method for determining retransmission resources.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned method for determining retransmission resources.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned method for determining retransmission resources.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program that enables a computer to execute the above-mentioned method for determining retransmission resources.
  • the computer program product provided by the embodiment of the present application includes computer program instructions that cause the computer to execute the above-mentioned method for determining retransmission resources.
  • the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned method for determining retransmission resources.
  • the terminal equipment transmits the first uplink channel on the semi-statically configured resources, and the resources used to retransmit the first uplink channel may be resources semi-statically configured through the network or resources dynamically scheduled by the network, and the terminal equipment is based on The time of dynamic scheduling determines whether to select semi-statically configured resources to retransmit the first uplink channel or select dynamically scheduled resources to retransmit the first uplink channel, thereby clarifying the retransmission resources of the first uplink channel.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a first schematic flowchart of a method for determining retransmission resources provided by an embodiment of the application
  • FIG. 3 is a schematic diagram of application example one provided by an embodiment of this application.
  • FIG. 4 is a second schematic flowchart of a method for determining retransmission resources provided by an embodiment of this application;
  • FIG. 5 is a schematic diagram of application example 2 provided by an embodiment of this application.
  • FIG. 6 is a schematic diagram 1 of the structural composition of an apparatus for determining retransmission resources provided by an embodiment of the application;
  • FIG. 7 is a schematic diagram 2 of the structural composition of an apparatus for determining retransmission resources provided by an embodiment of the application;
  • FIG. 8 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication system or future communication system etc.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and/or a device of another terminal configured to receive/send communication signals; and/or an Internet of Things (IoT) device.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscribe
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • Uplink data scheduling can be semi-statically configured by the network through config grant, or dynamically scheduled by the network through DCI signaling.
  • the semi-static configuration of Config grant can be divided into config grant type1 and config grant type2.
  • the transmission periods of these two kinds of config grants are configured semi-statically through the information element in the radio resource control (Radio Resource Control, RRC) signaling—ConfiguredGrantConfig.
  • RRC Radio Resource Control
  • ConfiguredGrantConfig The difference is that the time-frequency domain resource of config grant type1 and the modulation and coding scheme (Modulation and Coding Scheme, MCS) are configured to the terminal device by RRC signaling together in ConfiguredGrantConfig, while the time-frequency domain of config grant type2
  • the resource is indicated by the Physical Downlink Control Channel (PDCCH) that activates the config grant.
  • PDCCH Physical Downlink Control Channel
  • NR Rel-15 stipulates that the config grant data still uses the config grant resource when retransmission.
  • R16 there are two resource options for config grant data retransmission. One is to schedule the retransmitted data through dynamic scheduling on the network side, and the other is to perform data on the available resources of the config grant. Retransmission. At this time, a unified rule is needed to determine which resource the terminal device should select for data retransmission. To this end, the following technical solutions of the embodiments of the present application are proposed.
  • the semi-static configuration can be realized by the ConfiguredGrantConfig carried in the RRC signaling.
  • Table 1 shows the Information Element (IE) of the ConfiguredGrantConfig.
  • IE Information Element
  • this IE there is one
  • the configuration of the period (periodicty) is used to indicate the period of the physical uplink shared channel (PUSCH) resource pre-configured by the network. It can be seen that the value of the period can be at least 2 symbols (symbol).
  • the PUSCH resources pre-configured by the network may also be referred to as CG resources.
  • FIG. 2 is a schematic flowchart 1 of the method for determining retransmission resources provided by an embodiment of the application. As shown in FIG. 2, the method for determining retransmission resources includes the following steps:
  • Step 201 A terminal device sends a first uplink channel at a first time, and the terminal device determines according to a semi-static configuration that the first uplink channel can be retransmitted at a second time.
  • time in the embodiments of the present application may be understood as a time unit in the time domain, and the time unit may be a time slot or a symbol.
  • the method before the terminal device sends the first uplink channel at the first time, the method further includes: the terminal device receives RRC signaling sent by the network device, and the RRC signaling carries the Semi-static configuration, where the semi-static configuration is used to determine periodic uplink resources (ie, CG resources).
  • the semi-static configuration can be implemented through ConfiguredGrantConfig in Table 1 above.
  • the terminal device transmits the first uplink channel at the first time, and the terminal device determines that the first uplink channel can be retransmitted at the second time according to the semi-static configuration.
  • the resources at the first time and the second time are both the semi-statically configured uplink resources, that is, the resources at the first time and the second time are both CG resources.
  • the first uplink channel is PUSCH. It should be noted that the terminal device sending the first uplink channel means that the terminal device sends uplink data on one PUSCH. In the same way, the terminal equipment retransmits the first uplink channel means that the terminal equipment retransmits the uplink data on another PUSCH.
  • the time interval between the second time and the first time is greater than or equal to a second time length.
  • the second time length is determined based on a first time parameter or a second time parameter; wherein, the first time parameter is the N2 parameter in UE processing capability 2, and the first time parameter is used to characterize The processing time of the terminal device for the PUSCH; the second time parameter is the T_proc2 parameter in the UE processing capability 2, and the second time parameter is used to characterize the time from the terminal device receiving the last symbol of the DCI that schedules the PUSCH to The processing time required to transmit the first symbol of the PUSCH.
  • Step 202 The terminal device receives scheduling signaling at a third time, where the scheduling signaling is used to instruct the first uplink channel to retransmit at a fourth time.
  • the scheduling signaling may also be referred to as dynamic scheduling signaling. Further, optionally, the scheduling signaling is carried in DCI. On the other hand, the scheduling signaling may be DCI signaling.
  • the Hybrid Automatic Repeat reQuest (HARQ) identifier associated with the second time and the HARQ identifier associated with the fourth time are both associated with the first time.
  • the HARQ identifiers are the same. In this way, it can be ensured that the PUSCH at the second time or the fourth time is a retransmission of the PUSCH at the first time.
  • Step 203 The terminal device determines the retransmission time of the first uplink channel based on the second time, the third time and the fourth time.
  • the retransmission time of the first uplink channel may be determined in the following manner:
  • the terminal device determines the retransmission of the first uplink channel Time is the fourth time; or,
  • the terminal device determines the time of the first uplink channel
  • the retransmission time is the second time.
  • the target time is the second time. Specifically, if the third time is less than the second time, and the time interval between the third time and the fourth time is greater than or equal to the first time length, the terminal device determines the first uplink time The retransmission time of the channel is the fourth time; or, if the third time is greater than or equal to the second time, and/or the time interval between the third time and the fourth time is less than the first time Time length, the terminal device determines that the retransmission time of the first uplink channel is the second time.
  • the target time is equal to the second time minus the first processing time
  • the first processing time is that the terminal device cancels the processing of sending retransmitted data at the second time time.
  • the first duration is represented by N symbols, and N is a positive integer; or, the first duration is represented by an absolute time.
  • the first time length is obtained based on the first time parameter or the second time parameter plus a first offset value; wherein, the first time parameter is the N2 parameter in the UE processing capability 2.
  • the first time parameter is used to characterize the processing time of the physical uplink shared channel PUSCH by the terminal device; the second time parameter is the T_proc2 parameter in the UE processing capability 2, and the second time parameter is used to characterize the The processing time required by the terminal equipment from receiving the last symbol of the downlink control information DCI for scheduling the PUSCH to sending the first symbol of the PUSCH.
  • the first offset value is equal to the time required for the terminal device to cancel data transmission
  • the first offset value is semi-statically configured; or,
  • the first offset value is dynamically configured; or,
  • the first offset value is a default value
  • the first offset value is determined according to the capability of the terminal device.
  • the terminal device determines whether to use the CG resource or the dynamically scheduled resource to retransmit the data according to the time dynamically scheduled by the network.
  • the network side configures semi-static periodic PUSCH resources for the terminal device.
  • the CG resource in FIG. 3 is the semi-static periodic PUSCH resource configured on the network side.
  • K, K1, K2, etc. represent time. It should be noted that time can be understood as a time unit in the time domain, and the time unit can be a time slot or a symbol.
  • the terminal device sends the first uplink channel at time k.
  • the terminal device determines that the first uplink channel needs to be retransmitted.
  • the terminal device determines according to the configuration of the CG (that is, the semi-static configuration) that the first uplink channel can be retransmitted on the CG resource at time k3.
  • the terminal device receives DCI signaling (that is, scheduling signaling, or dynamic scheduling signaling) sent by the network at time k1, and the DCI signaling indicates that the first uplink channel sent at time k is retransmitted at time k4.
  • the terminal device calculates the time interval DeltaT1 based on k1 and k4. When k1 is less than k3 and DeltaT1 is greater than or equal to T1, the terminal device performs the retransmission of the first uplink channel at time k4 according to the instructions of the DCI signaling (refer to Figure 3 Case 1), otherwise, the terminal device performs retransmission of the first uplink channel at time k3 according to the configuration of the CG (ie, semi-static configuration) (refer to Case 2 in FIG. 3).
  • DCI signaling that is, scheduling signaling, or dynamic scheduling signaling
  • the first uplink channel is a PUSCH transmitted by the terminal equipment on the CG resource.
  • the time interval between k3 and k needs to be greater than or equal to a certain length of time, which can be the N2 parameter or the T_proc2 parameter given in UE processing capability 2, and the HARQ identifier (harq id) associated with k3 and k is In the same way, the same harq id is used to ensure that the transmission on K3 is a retransmission of the PUSCH transmitted on k.
  • a certain length of time which can be the N2 parameter or the T_proc2 parameter given in UE processing capability 2
  • the HARQ identifier (harq id) associated with k3 and k is In the same way, the same harq id is used to ensure that the transmission on K3 is a retransmission of the PUSCH transmitted on k.
  • T1 may represent the number of time-domain symbols or absolute time.
  • T1 may be the N2 parameter or the T_proc2 parameter specified in the UE processing capability 2 plus an offset value.
  • the offset is the time required for the terminal device to cancel data transmission.
  • the offset value can be semi-statically configured by the network, or dynamically configured by the network, or a default value, or it can be based on the capabilities of the terminal device. definite.
  • K in the first application example above corresponds to the first time
  • K1 corresponds to the third time
  • K3 corresponds to the second time
  • K4 corresponds to the fourth time.
  • FIG. 4 is a second schematic flowchart of the method for determining retransmission resources according to an embodiment of the application. As shown in FIG. 4, the method for determining retransmission resources includes the following steps:
  • Step 401 The terminal device sends the first uplink channel at the first time, and the terminal device determines that the first uplink channel can be retransmitted at the second time according to the semi-static configuration.
  • time (such as the first time, the second time, and the fourth time) in the embodiments of the present application may be understood as a time unit in the time domain, and the time unit may be a time slot or a symbol.
  • the method before the terminal device sends the first uplink channel at the first time, the method further includes: the terminal device receives RRC signaling sent by the network device, and the RRC signaling carries the Semi-static configuration, where the semi-static configuration is used to determine periodic uplink resources (ie, CG resources).
  • the semi-static configuration can be implemented through ConfiguredGrantConfig in Table 1 above.
  • the terminal device transmits the first uplink channel at the first time, and the terminal device determines that the first uplink channel can be retransmitted at the second time according to the semi-static configuration.
  • the resources at the first time and the second time are both the semi-statically configured uplink resources, that is, the resources at the first time and the second time are both CG resources.
  • the first uplink channel is PUSCH. It should be noted that the terminal device sending the first uplink channel means that the terminal device sends uplink data on one PUSCH. In the same way, the terminal equipment retransmits the first uplink channel means that the terminal equipment retransmits the uplink data on another PUSCH.
  • the time interval between the second time and the first time is greater than or equal to a second time length.
  • the second time length is determined based on a first time parameter or a second time parameter; wherein, the first time parameter is the N2 parameter in UE processing capability 2, and the first time parameter is used to characterize The processing time of the terminal device for the PUSCH; the second time parameter is the T_proc2 parameter in the UE processing capability 2, and the second time parameter is used to characterize the time from the terminal device receiving the last symbol of the DCI that schedules the PUSCH to The processing time required to transmit the first symbol of the PUSCH.
  • Step 402 If the terminal equipment receives scheduling signaling within a third time period after the first time, the terminal equipment determines that the retransmission time of the first uplink channel is indicated by the scheduling signaling The fourth time; if the terminal device does not receive the scheduling signaling within the third time period after the first time, the terminal device determines that the retransmission time of the first uplink channel is the second time .
  • the third duration is the duration of a first timer, and the duration of the first timer is configured by a network device.
  • the terminal device starts the first timer after sending the first uplink channel; A) If the terminal device receives scheduling signaling before the first timer expires, the terminal device The device determines that the retransmission time of the first uplink channel is the fourth time indicated by the scheduling signaling. Or, B) If the terminal device does not receive scheduling signaling before the first timer expires, the terminal device determines that the retransmission time of the first uplink channel is the second time.
  • the third duration is represented by M symbols, and M is a positive integer; or, the third duration is represented by absolute time.
  • the third duration is an integer multiple of the period of the semi-statically configured uplink resource.
  • the third time length is less than or equal to the time interval between the second time and the first time.
  • the PUSCH transmitted by the terminal device on the CG resource may be retransmitted through the semi-statically configured network resource or the dynamically scheduled network resource.
  • the terminal device needs to determine whether to select semi-statically configured resources or dynamically scheduled resources for PUSCH retransmission according to the time of dynamic scheduling.
  • the network side configures semi-static periodic PUSCH resources for the terminal device.
  • the CG resource in FIG. 5 is the semi-static periodic PUSCH resource configured on the network side.
  • K, K1, K2, etc. represent time. It should be noted that time can be understood as a time unit in the time domain, and the time unit can be a time slot or a symbol.
  • the terminal device receives a timer (Timer) configured by the network (that is, the first timer).
  • the terminal device sends the first uplink channel at time k, and the terminal device determines that the first uplink channel needs to be retransmitted. If the terminal receives the network configuration DCI signaling (that is, scheduling signaling, or dynamic scheduling signaling) within k+Timer, the DCI signaling indicates that the first uplink channel sent at time k is to be re-transmitted at time k4.
  • the network configuration DCI signaling that is, scheduling signaling, or dynamic scheduling signaling
  • the terminal device performs retransmission of the first uplink channel at the time k4 indicated by the DCI signaling (refer to Case 1 in FIG. 5). If the terminal receives DCI signaling (that is, scheduling signaling, or dynamic scheduling signaling) configured by the network outside of k+Timer or within k+Timer time, the terminal equipment will follow the CG configuration (that is, half Static configuration) Retransmission of the first uplink channel is performed at time k3 (refer to Case 2 in FIG. 5).
  • DCI signaling that is, scheduling signaling, or dynamic scheduling signaling
  • the first uplink channel is a PUSCH transmitted by the terminal equipment on the CG resource.
  • the time interval between k3 and k needs to be greater than or equal to a certain length of time, which can be the N2 parameter or the T_proc2 parameter given in UE processing capability 2, and the HARQ identifier (harq id) associated with k3 and k is In the same way, the same harq id is used to ensure that the transmission on K3 is a retransmission of the PUSCH transmitted on k.
  • a certain length of time which can be the N2 parameter or the T_proc2 parameter given in UE processing capability 2
  • the HARQ identifier (harq id) associated with k3 and k is In the same way, the same harq id is used to ensure that the transmission on K3 is a retransmission of the PUSCH transmitted on k.
  • the value of Timer may be the number of time-domain symbols or absolute time.
  • the value of Timer may be an integer multiple of the period of the CG resource.
  • the value of Timer needs to be less than or equal to the time interval from the first CG resource (that is, time K) to the CG resource (that is, time K3) available for retransmission corresponding to the CG resource.
  • K in the first application example above corresponds to the first time
  • K1 corresponds to the third time
  • K3 corresponds to the second time
  • K4 corresponds to the fourth time.
  • FIG. 6 is a schematic diagram 1 of the structural composition of an apparatus for determining retransmission resources provided by an embodiment of the application, which is applied to a terminal device.
  • the apparatus for determining retransmission resources includes:
  • the sending unit 601 is configured to send the first uplink channel at the first time
  • the determining unit 602 is configured to determine, according to a semi-static configuration, that the first uplink channel can be retransmitted at a second time;
  • the receiving unit 603 is configured to receive scheduling signaling at a third time, where the scheduling signaling is used to instruct the first uplink channel to retransmit at a fourth time;
  • the determining unit 602 is further configured to determine the retransmission time of the first uplink channel based on the second time, the third time, and the fourth time.
  • the receiving unit 603 is further configured to receive RRC signaling sent by a network device, where the RRC signaling carries the semi-static configuration, and the semi-static configuration is used to determine periodic uplink resources .
  • the resources at the first time and the second time are both the semi-statically configured uplink resources.
  • the determining unit 602 is configured to, if the third time is less than the target time, and the time interval between the third time and the fourth time is greater than or equal to the first time length, Determine that the retransmission time of the first uplink channel is the fourth time; or, if the third time is greater than or equal to the target time, and/or the time interval between the third time and the fourth time If it is less than the first duration, it is determined that the retransmission time of the first uplink channel is the second time.
  • the target time is the second time; or,
  • the target time is equal to the second time minus the first processing time
  • the first processing time is the processing time for the terminal device to cancel sending the retransmitted data at the second time.
  • the first duration is represented by N symbols, and N is a positive integer; or,
  • the first duration is expressed by absolute time.
  • the first duration is obtained based on the first time parameter or the second time parameter plus a first offset value
  • the first time parameter is the N2 parameter in UE processing capability 2, and the first time parameter is used to characterize the processing time of the terminal equipment for the physical uplink shared channel PUSCH;
  • the second time parameter is the UE processing The T_proc2 parameter in capability 2, the second time parameter is used to characterize the processing time required by the terminal device from receiving the last symbol of the downlink control information DCI for scheduling the PUSCH to sending the first symbol of the PUSCH.
  • the first offset value is equal to the time required for the terminal device to cancel data transmission;
  • the first offset value is semi-statically configured; or,
  • the first offset value is dynamically configured; or,
  • the first offset value is a default value
  • the first offset value is determined according to the capability of the terminal device.
  • the time interval between the second time and the first time is greater than or equal to a second time length.
  • the second duration is determined based on a first time parameter or a second time parameter
  • the first time parameter is the N2 parameter in UE processing capability 2, and the first time parameter is used to characterize the processing time of the terminal equipment for the physical uplink shared channel PUSCH;
  • the second time parameter is the UE processing The T_proc2 parameter in capability 2, the second time parameter is used to characterize the processing time required by the terminal device from receiving the last symbol of the downlink control information DCI for scheduling the PUSCH to sending the first symbol of the PUSCH.
  • the HARQ identifier associated with the second time and the HARQ identifier associated with the fourth time are both the same as the HARQ identifier associated with the first time.
  • the scheduling signaling is carried in DCI.
  • the first uplink channel is PUSCH.
  • FIG. 7 is a second structural diagram of the apparatus for determining retransmission resources according to an embodiment of the application, which is applied to a terminal device.
  • the apparatus for determining retransmission resources includes:
  • the sending unit 701 is configured to send the first uplink channel at the first time
  • the determining unit 702 is configured to determine that the first uplink channel can be retransmitted at a second time according to a semi-static configuration
  • the determining unit 702 is further configured to determine that the retransmission time of the first uplink channel is the scheduling signaling if the terminal device receives the scheduling signaling within a third time period after the first time The indicated fourth time; if the terminal device does not receive the scheduling signaling within the third time period after the first time, it is determined that the retransmission time of the first uplink channel is the second time.
  • the apparatus further includes: a receiving unit 703, configured to receive RRC signaling sent by a network device, where the RRC signaling carries the semi-static configuration, and the semi-static configuration is used to determine the period Uplink resources.
  • a receiving unit 703 configured to receive RRC signaling sent by a network device, where the RRC signaling carries the semi-static configuration, and the semi-static configuration is used to determine the period Uplink resources.
  • the resources at the first time and the second time are both the semi-statically configured uplink resources.
  • the third duration is the duration of a first timer, and the duration of the first timer is configured by a network device.
  • the apparatus further includes: a starting unit 704, configured to start the first timer after sending the first uplink channel;
  • the determining unit 702 is configured to, if the receiving unit receives scheduling signaling before the first timer expires, determine that the retransmission time of the first uplink channel is the fourth indicated by the scheduling signaling time.
  • the apparatus further includes: a starting unit 704, configured to start the first timer after sending the first uplink channel;
  • the determining unit 702 is configured to determine that the retransmission time of the first uplink channel is the second time if the receiving unit does not receive scheduling signaling before the first timer expires.
  • the third duration is represented by M symbols, and M is a positive integer; or,
  • the third duration is expressed by absolute time.
  • the third duration is an integer multiple of the period of the semi-statically configured uplink resource.
  • the third time length is less than or equal to the time interval between the second time and the first time.
  • the time interval between the second time and the first time is greater than or equal to a second time length.
  • the second duration is determined based on a first time parameter or a second time parameter
  • the first time parameter is the N2 parameter in UE processing capability 2, and the first time parameter is used to characterize the processing time of the terminal device for PUSCH;
  • the second time parameter is the UE processing capability 2
  • the T_proc2 parameter, the second time parameter is used to characterize the processing time required by the terminal device from receiving the last symbol of the DCI for scheduling the PUSCH to sending the first symbol of the PUSCH.
  • the HARQ identifier associated with the second time and the HARQ identifier associated with the fourth time are both the same as the HARQ identifier associated with the first time.
  • the scheduling signaling is carried in DCI.
  • the first uplink channel is PUSCH.
  • FIG. 8 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application.
  • the communication device may be a terminal device.
  • the communication device 800 shown in FIG. 8 includes a processor 810, and the processor 810 may call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 800 may further include a memory 820.
  • the processor 810 may call and run a computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 830 may include a transmitter and a receiver.
  • the transceiver 830 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 800 may specifically be a network device in an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, it will not be repeated here. .
  • the communication device 800 may specifically be a mobile terminal/terminal device of an embodiment of the application, and the communication device 800 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the application.
  • I won’t repeat it here.
  • FIG. 9 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 900 may further include a memory 920.
  • the processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the chip 900 may further include an input interface 930.
  • the processor 910 can control the input interface 930 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 900 may further include an output interface 940.
  • the processor 910 can control the output interface 940 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be called a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip.
  • FIG. 10 is a schematic block diagram of a communication system 1000 according to an embodiment of the present application. As shown in FIG. 10, the communication system 1000 includes a terminal device 1010 and a network device 1020.
  • the terminal device 1010 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 1020 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

Abstract

L'invention concerne un procédé et un appareil permettant de déterminer une ressource retransmise, ainsi qu'un dispositif terminal. Le procédé comprend les étapes suivantes : un dispositif terminal envoie un premier canal de liaison montante à un premier instant, et le dispositif de terminal détermine, selon une configuration semi-statique, que le premier canal de liaison montante peut être retransmis à un deuxième instant; le dispositif terminal reçoit une signalisation de planification à un troisième instant, la signalisation de planification étant utilisée pour indiquer que le premier canal de liaison montante est retransmis à un quatrième instant; et le dispositif terminal détermine un instant de retransmission du premier canal de liaison montante d'après le deuxième instant, le troisième instant et le quatrième instant.
PCT/CN2020/073621 2020-01-21 2020-01-21 Procédé et appareil de détermination de ressource retransmise, et dispositif terminal WO2021146950A1 (fr)

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CN202080077062.6A CN114641961B (zh) 2020-01-21 2020-01-21 一种确定重传资源的方法及装置、终端设备
PCT/CN2020/073621 WO2021146950A1 (fr) 2020-01-21 2020-01-21 Procédé et appareil de détermination de ressource retransmise, et dispositif terminal

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114666024A (zh) * 2022-03-11 2022-06-24 成都中科微信息技术研究院有限公司 一种基于dvb协议的反向信令重传方法及通信系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103619037A (zh) * 2013-12-10 2014-03-05 重庆邮电大学 一种解决lte系统中半静态和动态调度资源冲突的方法
EP3319259A1 (fr) * 2015-07-01 2018-05-09 LG Electronics Inc. Procédé et appareil pour émettre des signaux dans un système de communication sans fil
CN109842941A (zh) * 2017-11-28 2019-06-04 珠海市魅族科技有限公司 一种调度参数的配置方法及配置装置
US20190229858A1 (en) * 2013-07-25 2019-07-25 Sony Corporation Method, base station and terminal for dynamic uplink configuration in wireless communication system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108174445B (zh) * 2016-12-07 2022-02-11 华为技术有限公司 一种上行信息处理的方法及装置
CN110035550B (zh) * 2018-01-12 2021-08-13 华为技术有限公司 上行控制信息传输方法和通信装置
US11039464B2 (en) * 2018-02-15 2021-06-15 Apple Inc. Simultaneous HARQ-ACK feedback and uplink transmission without dynamic grant
CN110519021A (zh) * 2019-08-16 2019-11-29 中国信息通信研究院 一种释放半静态调度混合自动重传请求反馈方法和设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190229858A1 (en) * 2013-07-25 2019-07-25 Sony Corporation Method, base station and terminal for dynamic uplink configuration in wireless communication system
CN103619037A (zh) * 2013-12-10 2014-03-05 重庆邮电大学 一种解决lte系统中半静态和动态调度资源冲突的方法
EP3319259A1 (fr) * 2015-07-01 2018-05-09 LG Electronics Inc. Procédé et appareil pour émettre des signaux dans un système de communication sans fil
CN109842941A (zh) * 2017-11-28 2019-06-04 珠海市魅族科技有限公司 一种调度参数的配置方法及配置装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
OPPO: "UL intra UE Tx prioritization and multiplexing and DL SPS", 3GPP DRAFT; R1-1906453, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Reno, USA; 20190513 - 20190517, 13 May 2019 (2019-05-13), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051727903 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114666024A (zh) * 2022-03-11 2022-06-24 成都中科微信息技术研究院有限公司 一种基于dvb协议的反向信令重传方法及通信系统
CN114666024B (zh) * 2022-03-11 2024-04-30 成都中科微信息技术研究院有限公司 一种基于dvb协议的反向信令重传方法及通信系统

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