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WO2022028606A1 - Procédé de détermination d'informations, procédé d'indication d'informations, terminal, et dispositif du côté réseau - Google Patents

Procédé de détermination d'informations, procédé d'indication d'informations, terminal, et dispositif du côté réseau Download PDF

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Publication number
WO2022028606A1
WO2022028606A1 PCT/CN2021/111302 CN2021111302W WO2022028606A1 WO 2022028606 A1 WO2022028606 A1 WO 2022028606A1 CN 2021111302 W CN2021111302 W CN 2021111302W WO 2022028606 A1 WO2022028606 A1 WO 2022028606A1
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priority
dai
harq
ack
dci
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PCT/CN2021/111302
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English (en)
Chinese (zh)
Inventor
曾超君
沈晓冬
李娜
潘学明
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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
    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • 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
    • 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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Definitions

  • the present invention relates to the field of communication technologies, and in particular, to an information determination method, an information indication method, a terminal and a network side device.
  • HARQ-ACK Hybrid Automatic Repeat reQuest-ACK
  • UCI Uplink Control Information
  • the HARQ-ACK of priority i needs to be multiplexed on the PUSCH of priority j (i/j is 0 or 1, i and j are not equal), and the following two cases can be further distinguished:
  • the Uplink-Downlink Assignment Index (UL-DAI) indicated in the Uplink-Downlink Control Information (UL-DCI) for scheduling PUSCH transmission is applicable to the same priority HARQ-ACK multiplexing transmission.
  • UL-DAI Uplink-Downlink Assignment Index
  • UL-DCI Uplink-Downlink Control Information
  • the embodiments of the present application provide an information determination method, an information indication method, a terminal, and a network side device, which can solve the problem that when HARQ-ACKs of different priorities need to be multiplexed and transmitted on the PUSCH, the transmission reliability of HARQ-ACK cannot be guaranteed The problem.
  • a method for determining information executed by a terminal, including:
  • first downlink control information DCI for scheduling a first physical uplink shared channel PUSCH, where the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to a first priority;
  • a DAI to which a first HARQ-ACK is applied is determined according to a first DAI, wherein the first HARQ-ACK includes a HARQ-ACK of a second priority, and the second priority is the same as the HARQ-ACK The first priority is different;
  • a HARQ-ACK bit sequence corresponding to the first HARQ-ACK is generated.
  • a method for determining information executed by a terminal, including:
  • the number of downlink assignments for a second target priority including a fourth priority different from the third priority is determined.
  • an information indication method is provided, applied to a network side device, including:
  • first downlink control information DCI for scheduling the first physical uplink shared channel PUSCH, where the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to a first priority;
  • the first DAI is used to indicate the DAI of the first HARQ-ACK application to confirm the HARQ-ACK
  • the first HARQ-ACK includes the HARQ-ACK of the second priority
  • the second priority is the same as the HARQ-ACK
  • the first priority is different.
  • an information indication method executed by a network side device, including:
  • the fourth DAI is used to indicate the number of downlink assignments of the second target priority, and the second target priority includes a fourth priority different from the third priority.
  • an information determination device comprising:
  • a first receiving module configured to receive first downlink control information DCI used for scheduling a first physical uplink shared channel PUSCH, where the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to a first priority class;
  • a first determining module configured to determine, according to the first DAI, the DAI of the first hybrid automatic repeat request acknowledgment HARQ-ACK application, wherein the first HARQ-ACK includes the HARQ-ACK of the second priority, and the The second priority is different from the first priority;
  • a first generating module configured to generate a HARQ-ACK bit sequence corresponding to the first HARQ-ACK according to the determined DAI.
  • an information determination device comprising:
  • a second receiving module configured to receive second downlink control information DCI, where the second DCI includes a fourth DAI, and the priority indicated by the HARQ-ACK corresponding to the second DCI downlink assignment is the third priority;
  • a fourth determining module configured to determine, according to the fourth DAI, the number of downlink assignments of a second target priority, where the second target priority includes a fourth priority different from the third priority.
  • a terminal in a seventh aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor. The steps of implementing the method of the first aspect or the second aspect.
  • an information indicating device comprising:
  • a first sending module configured to send first downlink control information DCI for scheduling a first physical uplink shared channel PUSCH, the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to a first priority;
  • the first DAI is used to indicate the DAI of the first HARQ-ACK application to confirm the HARQ-ACK
  • the first HARQ-ACK includes the HARQ-ACK of the second priority
  • the second priority is the same as the HARQ-ACK
  • the first priority is different.
  • an information indicating device comprising:
  • a second sending module configured to send second downlink control information DCI, where the second DCI includes a fourth DAI, and the second DCI indicates that the priority of the HARQ-ACK corresponding to the downlink allocation is the third priority;
  • the fourth DAI is used to indicate the number of downlink assignments of the second target priority, and the second target priority includes a fourth priority different from the third priority.
  • a tenth aspect provides a network-side device, the network-side device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method according to the third aspect or the fourth aspect when executed.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the method according to the first aspect or the second aspect is implemented. steps, or steps for implementing the method according to the third aspect or the fourth aspect.
  • a twelfth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the first aspect or the second The steps of the method of the aspect, or the steps of implementing the method of the third aspect or the fourth aspect.
  • a first DCI for scheduling a first PUSCH is received, the first DCI includes a first DAI, and the first PUSCH corresponds to a first priority; according to the first DAI, it is determined that the DAI applied by the first HARQ-ACK multiplexed on the PUSCH that includes the HARQ-ACK of the second priority, so that the HARQ-ACK of the second priority is multiplexed on the PUSCH of the first priority During transmission, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK may be generated according to the determined DAI, thereby improving the reliability of HARQ-ACK multiplexing transmission.
  • FIG. 1 shows a structural diagram of a network system to which an embodiment of the present application can be applied
  • FIG. 2 shows one of the schematic flowcharts of the information determination method according to the embodiment of the present application
  • FIG. 3 shows the second schematic flowchart of the information determination method according to the embodiment of the present application
  • FIG. 4 shows one of the schematic flowcharts of the information indication method according to the embodiment of the present application
  • FIG. 5 shows the second schematic flowchart of the information indication method according to the embodiment of the present application
  • FIG. 6 shows one of the schematic diagrams of the modules of the information determination apparatus according to the embodiment of the present application.
  • FIG. 7 shows the second schematic diagram of the modules of the information determination apparatus according to the embodiment of the present application.
  • FIG. 8 shows a structural block diagram of a communication device according to an embodiment of the present application.
  • FIG. 9 shows a structural block diagram of a terminal according to an embodiment of the present application.
  • FIG. 10 shows one of the schematic diagrams of the modules of the information indicating device according to the embodiment of the present application.
  • FIG. 11 shows the second schematic diagram of the modules of the information indicating device according to the embodiment of the present application.
  • FIG. 12 shows a structural block diagram of a network side device according to an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation , 6G) communication system.
  • 6th generation 6th Generation
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), PDA, Netbook, Ultra-mobile Personal Computer (UMPC), Mobile Internet Device (MID), Wearable Device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • the UE When the UE organizes the HARQ-ACK bit sequence that needs to be reported at a certain feedback time, it determines each PDSCH based on the predefined rules and the scheduling of PDSCH transmission on single/multiple carriers that need to report HARQ-ACK at this feedback time. The corresponding relationship between transmission and certain bits in the HARQ-ACK bit sequence of the organization, this operation is called constructing the HARQ-ACK Codebook.
  • SPS semi-persistent scheduling
  • DCI Downlink Control Information
  • two HARQ-ACK Codebook schemes can be used in the wireless communication system: a semi-static codebook (Type-1) and a dynamic codebook (Type-2), the former provides feedback for all possible DCI indications and PDSCH transmissions , which is mainly used to ensure transmission reliability, and the feedback overhead is large.
  • the latter only provides feedback for the actual DCI indication and PDSCH transmission, and the feedback overhead is small, and the transmission reliability will be affected to a certain extent when the DCI missed detection is common.
  • the dynamic codebook reserves HARQ-ACK feedback bits for each actually used DAI value by counting the DAI of the actually scheduled PDSCH transmission/SPS PDSCH release indication. If the PDSCH allocation indication or SPS PDSCH release indication corresponding to the DAI is not received, the corresponding feedback bit is set to NACK, otherwise the corresponding HARQ-ACK feedback bit is set according to the decoding result of the PDSCH transmission corresponding to each PDSCH allocation indication, For the detected SPS PDSCH release indication, set the corresponding feedback bit to ACK.
  • DAI uses a limited number of bits (currently a single DAI generally occupies 2 bits) to indicate. In order to expand its indication range, a modulo operation is introduced, that is, it starts counting sequentially from 1, and then modulo obtains the DAI corresponding to a certain count value. value.
  • T-DAI Total DAI
  • C-DAI Total DAI
  • the HARQ-ACK Codebook is generally transmitted on the PUCCH, and the time domain and frequency domain information of the PUCCH is indicated in the DCI (with one exception: the HARQ-ACK of the SPS PDSCH feedback the frequency domain information of the PUCCH can be configured by the higher layer).
  • the HARQ-ACK of the SPS PDSCH feedback the frequency domain information of the PUCCH can be configured by the higher layer.
  • the missed detection of DCI will affect the construction of the HARQ-ACK Codebook, including the number of HARQ-ACK bits contained in the Codebook, and the number of HARQ-ACK bits will affect the number of HARQ-ACK bits occupied during multiplexing and transmission on the PUSCH.
  • time-frequency resources thereby affecting the time-frequency demapping and decoding of other data transmissions (eg, UL-SCH) on the PUSCH.
  • the DAI corresponding to the HARQ-ACK Codebook for multiplexing transmission can be indicated in the DCI format 0_1 of the scheduling PUSCH, which can be called UL DAI.
  • UL DAI is mainly used by the UE to determine the number of HARQ-ACK bits of the HARQ-ACK Codebook, and can be used to determine the missed detection of the DCI corresponding to the HARQ-ACK bits at the end of the HARQ-ACK Codebook.
  • HARQ-ACK Codebook When the HARQ-ACK Codebook only involves HARQ-ACK feedback at Transport Block (TB) granularity (that is, no two sub-codebooks are involved), only a single UL DAI is indicated in DCI format 0_1 (by the DCI field "1st downlink assignment" "index” indication), corresponding to a single HARQ-ACK Codebook, when the HARQ-ACK Codebook involves both TB-granular HARQ-ACK feedback and Code Block Group (CBG)-granularity HARQ-ACK feedback (that is, by two When sub-codebooks are sequentially cascaded), two UL DAIs are indicated in DCI format 0_1 at the same time, of which the first UL DAI (indicated by the DCI field "1st downlink assignment index”) is applied to the first sub-codebook, and the first UL DAI is applied to the first sub-codebook. Two UL DAIs (indicated by the DCI field "2nd downlink assignment index”) are
  • the uplink UE of the URLLC operates according to priority (prioritization) or multiplexing (multiplexing).
  • a 2-level priority for HARQ-ACK is introduced.
  • the priority index (priority index) corresponding to the scheduled PUSCH transmission can be indicated by the priority indicator field in the DCI, and the value is 0 or 1.
  • the priority indicator field in the DCI can indicate its corresponding HARQ-ACK feedback and the priority index (0 or 1) corresponding to the PUCCH transmission carrying this feedback.
  • the default value of priority index 0 is used.
  • the overlapping PUSCH/PUCCH related processing is performed. Otherwise, if the PUSCH/PUSCH transmissions of different priorities overlap (overlap), the transmission corresponding to priority index 0 is discarded, and only priority index 1 is transmitted. corresponding transmission.
  • the UCI is assumed to be the same as the priority of the PUCCH/PUSCH carrying this UCI.
  • the priority index 0 here can be understood as a lower priority, and the priority index 1 can be understood as a higher priority.
  • the uplink transmission corresponding to priority index 1 has a higher priority than the uplink transmission corresponding to priority index 0.
  • an embodiment of the present application provides a method for determining information, which is executed by a terminal, and the method includes:
  • Step 201 Receive first downlink control information DCI for scheduling a first physical uplink shared channel PUSCH, where the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to a first priority.
  • the above-mentioned first DCI may be an uplink DCI (UL-DCI).
  • UL-DCI uplink DCI
  • Step 202 According to the first DAI, determine the DAI applied by the first HARQ-ACK acknowledgement HARQ-ACK, the first HARQ-ACK includes the HARQ-ACK of the second priority, and the second priority is the same as the HARQ-ACK of the second priority.
  • the first priority is different.
  • the first HARQ-ACK is a HARQ-ACK that needs to be multiplexed and transmitted on the first PUSCH.
  • the DAI of the first HARQ-ACK application includes the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority, or only the DAI of the HARQ-ACK application of the second priority .
  • the DAI applied by HARQ-ACK can be understood as the DAI used in the process or operation of generating the HARQ-ACK bit sequence corresponding to this HARQ-ACK, which can be used to determine the HARQ-ACK bits included in the corresponding HARQ-ACK bit sequence number.
  • Step 203 Generate a HARQ-ACK bit sequence corresponding to the first HARQ-ACK according to the determined DAI.
  • the corresponding HARQ-ACK bits are generated according to the DAI of the HARQ-ACK application of the second priority determined by the above-mentioned first DAI sequence.
  • the HARQ-ACK bit sequence corresponding to the first HARQ-ACK may be the HARQ-ACK bit sequence corresponding only to the HARQ-ACK of the second priority, or may be the HARQ-ACK corresponding to the HARQ-ACK of the first priority at the same time.
  • the ACK bit sequence, and the HARQ-ACK bit sequence corresponding to the HARQ-ACK of the second priority are not limited here.
  • a first DCI for scheduling a first PUSCH is received, the first DCI includes a first DAI, and the first PUSCH corresponds to a first priority; according to the first DAI, it is determined that the DAI applied by the first HARQ-ACK multiplexed on the first PUSCH, the first HARQ-ACK including the HARQ-ACK of the second priority, so that the HARQ-ACK of the second priority is on the PUSCH of the first priority During multiplexing transmission, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK may be generated according to the determined DAI, thereby improving the reliability of HARQ-ACK multiplexing transmission.
  • determining the DAI of the first HARQ-ACK application for HARQ-ACK acknowledgment includes:
  • the first DAI is used as the DAI for the HARQ-ACK application of the second priority.
  • the UE does not expect to simultaneously multiplex HARQ-ACKs corresponding to two priorities on the same PUSCH, that is, only multiplex HARQ-ACKs with a priority different from that of the PUSCH on the PUSCH - ACK, eg HARQ-ACK of the second priority is multiplexed on PUSCH only.
  • the specific implementation can be guaranteed by the base station scheduling.
  • the UE when the value of the above-mentioned first DAI is 4, and the UE does not detect any downlink DCI or SPS PDSCH corresponding to HARQ-ACK that needs to be multiplexed on this PUSCH, the UE does not multiplex HARQ-ACK on this PUSCH.
  • the UE when the UE detects that the HARQ-ACK corresponding to a certain priority needs to be multiplexed on the PUSCH, the UE applies the first DAI to the HARQ-ACK corresponding to the detected priority.
  • the first DAI includes a first group of DAI and a second group of DAI;
  • the determining, according to the first DAI, the DAI of the first HARQ-ACK application for HARQ-ACK acknowledgment includes:
  • the second set of DAI is used as the DAI for the HARQ-ACK application of the second priority.
  • the method further includes: using the first group of DAIs as the HARQ-ACK application of the first priority. Dai.
  • a group of DAIs in the embodiments of the present application only involves HARQ-ACK feedback of TB (Transport Block, transport block) granularity (that is, the HARQ-ACK that needs to be multiplexed only includes feedback for TB-level downlink allocations).
  • TB Transport Block, transport block
  • HARQ-ACK corresponding to a single UL DAI
  • HARQ-ACK feedback involving both TB granularity and CBG (Code Block Group, code block group) granularity HARQ-ACK feedback that is, the HARQ-ACK that needs to be multiplexed contains both HARQ-ACK for TB-level downlink allocation feedback, and HARQ-ACK for CBG-level downlink allocation feedback
  • the CBG-level downlink allocation here can be understood as when the upper layer configures the target downlink carrier for DCI scheduling to enable CBG-based retransmission, PDSCH transmission indicated by non-fallback downlink DCI, at this time, based on PDSCH transmission, each possible corresponding CBG feeds back the corresponding HARQ-ACK
  • the HARQ-ACK that needs to be multiplexed corresponds to two HARQ-ACK sub-codebooks sub-codebook, When the first sub-codebook corresponds to HARQ-ACK feedback of TB granularity, and the second sub-codebook correspond
  • the above-mentioned first group of DAI corresponds to priority index 0, or a lower priority, that is, the above-mentioned first group of DAI is used as the DAI of the HARQ-ACK application corresponding to priority index 0; the above-mentioned second group of DAI corresponds to priority index 1, or Higher priority, that is, the above-mentioned second group of DAI is used as the DAI of the HARQ-ACK application corresponding to priority index 1.
  • the above-mentioned first group of DAI corresponds to a priority corresponding to PUSCH scheduling
  • the second group of DAI corresponds to another priority that is different from PUSCH scheduling.
  • whether the above-mentioned first DAI includes the second group of DAI may be determined based on a protocol specification or a high-level configuration.
  • a dynamic codebook or an enhanced dynamic codebook when the value of DAI corresponding to a certain priority is 4, and it is not detected that the HARQ-ACK corresponding to this priority needs to be transmitted (for example, it is not detected that the HARQ-ACK corresponding to this priority needs to be transmitted).
  • this UL is not included
  • the HARQ-ACK corresponding to this priority is multiplexed on the PUSCH transmission scheduled by DCI.
  • the HARQ-ACK corresponding to this priority is not multiplexed on the PUSCH transmission scheduled by this UL DCI (unless the specific code specified by the protocol). this case).
  • determining the DAI of the first HARQ-ACK application for HARQ-ACK acknowledgment includes:
  • the first target priority is one of the following:
  • the first other priority refers to a priority other than the first target priority among the first priority and the second priority.
  • the scheme corresponding to the third optional implementation manner, and the scheme for determining the DAI of the first HARQ-ACK application corresponding to the above step 202 are two parallel schemes, that is, the third optional implementation manner corresponds to programs can be implemented independently.
  • the first DCI is indicated by a field or determined by other rules, and the priority of its scheduled PUSCH transmission is the first priority j.
  • the above-mentioned first DAI is used as the DAI of the HARQ-ACK application corresponding to the first priority, and the DAI of the HARQ-ACK application of the second priority can be determined based on the detection of the downlink DCI corresponding to the HARQ-ACK of the second priority.
  • the DAI of the HARQ-ACK application of another priority can be based on the HARQ-ACK of the other priority
  • the detection situation of the corresponding downlink DCI is determined.
  • determining the DAI of the first HARQ-ACK application to confirm the HARQ-ACK includes:
  • the second DAI is used as the DAI for the HARQ-ACK application of the first priority
  • the The third DAI is used as the DAI for the HARQ-ACK application of the second priority.
  • the terminal under the ideal situation that there is no downlink DCI missed detection, the terminal expects or considers that the value of the first DAI is based on the sum of the second DAI and the third DAI (which may be the sum of the sum.
  • the value after the modulo for example, the sum of the second DAI and the third DAI is modulo 4, and the obtained value is set as the value of the first DAI).
  • the terminal can determine the downlink DCI corresponding to the first priority and the downlink DCI corresponding to the second priority There is no missed detection in the downlink DCI of the terminal.
  • the terminal can use the second DAI as the DAI of the HARQ-ACK application of the first priority, and use the third DAI as the HARQ of the second priority.
  • the terminal may determine the downlink DCI corresponding to the first priority, and/or the second The downlink DCI corresponding to the priority has missed detection.
  • the terminal can determine the other priority based on the DAI a determined by the downlink DCI detection corresponding to one priority a (for example, a higher priority) and the first DAI.
  • DAI a is applied to HARQ-ACK of priority a.
  • the DAI of the HARQ-ACK application of the two priorities can be determined based on the detection of the downlink DCI corresponding to each priority, and it is ensured that the sum of the DAI of the HARQ-ACK application of the two priorities satisfies the above-mentioned first DAI value.
  • the terminal ensures that the sum of the DAIs of the HARQ-ACK applications of the two priorities satisfies the value of the above-mentioned first DAI.
  • determining the DAI of the first HARQ-ACK application for HARQ-ACK acknowledgment includes:
  • the DAI of the HARQ-ACK application of the first target priority and the first DAI determine the DAI of the HARQ-ACK application of the first other priority
  • the first target priority is one of the following:
  • the first other priority refers to a priority other than the first target priority among the first priority and the second priority, and the HARQ-ACK of the first priority is applied.
  • the sum of the DAI and the DAI of the HARQ-ACK application of the second priority is equal to the value of the first DAI.
  • the terminal expects or considers that the value of the first DAI is based on the DAI of the HARQ-ACK application based on the first target priority and the first other priority.
  • the sum of the DAI of the HARQ-ACK application of the first target priority may be the value after the sum is modulo, for example, the DAI of the HARQ-ACK application of the first target priority and the HARQ of the first other priority -The sum of the DAI applied by the ACK is modulo 4, and the obtained value is set as the value of the first DAI).
  • the above-mentioned first target priority is a higher priority among the first priority and the second priority. That is, first determine the DAI of the HARQ-ACK application of the higher priority based on the detection of the DL DCI of the higher priority, and then according to the value of the above-mentioned first DAI and the DAI of the HARQ-ACK application of the higher priority, obtain a lower DAI for priority HARQ-ACK application.
  • the DAI information of the first other priority is carried in the first PUSCH.
  • This DAI information can be decoded before the HARQ-ACK corresponding to the first other priority carried on the first PUSCH, so that the terminal can indicate the first other priority carried on the first PUSCH to the network side
  • the number of bits corresponding to the corresponding HARQ-ACK so as to notify the network side of the amount of resources used to carry the HARQ-ACK corresponding to the first other priority on the first PUSCH, and assist the network side to decode other resources carried on the first PUSCH. information to improve PUSCH detection performance.
  • a possible implementation on the network side is that after receiving the first PUSCH, the network side first extracts the codes corresponding to the HARQ-ACK of the first target priority and/or the DAI information of the first other priority bit sequence, and decode the HARQ-ACK of the first target priority and/or the DAI information of the first other priority.
  • the protocol stipulates or the high layer configures the HARQ-ACK of the first target priority and/or the start mapping position of the coded bit sequence corresponding to the DAI information of the first other priority in the first PUSCH transmission, the network side Based on the starting mapping position, the detection of the downlink DCI corresponding to the first target priority, the DAI of the HARQ-ACK application of the first target priority, the number of bits of the DAI information, and other configuration parameters, the first target can be determined.
  • the number of HARQ-ACK bits of the priority, and the encoded bit sequence length and end mapping position corresponding to the HARQ-ACK of the first target priority and/or the DAI information of the first other priority are examples of the protocol stipulates or the high layer configures the HARQ-ACK of the first target priority and/or the start mapping position of the coded bit sequence corresponding to the DAI information of the first other priority in the first PUSCH transmission, the network side Based on the starting mapping position, the detection of the downlink DCI corresponding to the first target priority,
  • the network side can determine the number of HARQ-ACK bits of the first other priority based on the decoded DAI information of the first other priority and the detection of the downlink DCI corresponding to the first other priority, so as to further determine The resource mapping situation of the HARQ-ACK of the first other priority on the first PUSCH, so that the network side can accurately know other information carried on the first PUSCH (except for the first target priority).
  • the mapping position and mapping length of the HARQ-ACK and/or the DAI information of the first other priority, and the information carried on the first PUSCH in addition to the HARQ-ACK of the first other priority ensure that Decoding performance of other information carried on the first PUSCH.
  • the above DAI information may correspond to a group of DAIs.
  • this DAI information may correspond to a single UL DAI, and may correspond to 2 bits; when the HARQ-ACK feedback of TB granularity and CBG are involved at the same time
  • this DAI information can correspond to two UL DAIs, and can correspond to 4 bits, of which the first UL DAI corresponds to the first sub-codebook, which can correspond to the first 2 bits, and the second UL DAI corresponds to The second sub-codebook can correspond to the last 2 bits.
  • the information determination method of the embodiment of the present application further includes:
  • the DAI information bits of the first other priorities carried in the first PUSCH are combined with the first target priority
  • the HARQ-ACK bit sequences of the first stage are sequentially concatenated, and the bit sequences obtained by the concatenation are encoded and mapped;
  • the DAI information of the first other priority carried in the first PUSCH is used as the first
  • the HARQ-ACK of the target priority is encoded and mapped.
  • the DAI information bits of the first other priority may be sequentially concatenated with the HARQ-ACK bit sequence of the first target priority, and the bit sequence obtained by the concatenation may be encoded and mapped.
  • the DAI information bits of the first other priority may be placed before or after the HARQ-ACK bit sequence of the first target priority, or at a specified position specified by a protocol or configured by a higher layer.
  • the DAI information bits of the first other priority can be used as the input information bit sequence, and the same processing parameters and processing flow as the HARQ-ACK bit sequence of the first target priority can be used to encode and map to the PUSCH.
  • determining the DAI of the first HARQ-ACK application for HARQ-ACK acknowledgment includes:
  • the first DAI is respectively used as the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority.
  • the above-mentioned first DAI is used as the DAI for HARQ-ACK application of two priorities at the same time.
  • the base station can schedule and ensure that the HARQ-ACKs of the two priorities meet or match the first DAI, or the base station may not make the above guarantee, but when indicating the first DAI, select an appropriate DAI value to It is ensured that the HARQ-ACKs of the two priorities can be completely multiplexed, and there may be redundant bits at the tail of the HARQ-ACK multiplexing of a certain priority.
  • the first target priority is the higher or lower priority among the first priority and the second priority
  • the first other priority is the first priority and the second priority except the first target priority. outside priority.
  • a first DCI for scheduling a first PUSCH is received, the first DCI includes a first DAI, and the first PUSCH corresponds to a first priority; according to the first DAI, it is determined that the DAI applied by the first HARQ-ACK multiplexed on the first PUSCH, the first HARQ-ACK including the HARQ-ACK of the second priority, so that the HARQ-ACK of the second priority is on the PUSCH of the first priority During multiplexing transmission, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK may be generated according to the determined DAI, thereby improving the reliability of HARQ-ACK multiplexing transmission, and further improving the performance of PUSCH transmission and PDSCH transmission.
  • an embodiment of the present application further provides a method for determining information, which is executed by a terminal, including:
  • Step 301 Receive second downlink control information DCI, where the second DCI includes a fourth DAI, and the second DCI indicates that the priority of the HARQ-ACK corresponding to the downlink allocation is the third priority.
  • the above-mentioned second DCI is downlink DCI.
  • whether the second DCI includes the fourth DAI may be determined based on a protocol specification or a high-layer parameter configuration.
  • the third priority may be the first priority or the second priority.
  • Step 302 According to the fourth DAI, determine the number of downlink assignments for a second target priority, where the second target priority includes a fourth priority different from the third priority.
  • the fourth priority may be the first priority or the second priority described above.
  • the second target priority may only correspond to the fourth priority, or may simultaneously correspond to the third priority and the fourth priority.
  • the information determination method in this embodiment of the present application receives second downlink control information DCI, where the second DCI includes a fourth DAI, and the priority indicated by the second DCI is a third priority; according to the fourth DAI, determine The number of downlink assignments for the second target priority can further improve the reliability of DAI determination based on the downlink DCI detection situation corresponding to the fourth priority, thereby improving the reliability of the HARQ-ACK feedback corresponding to the fourth priority.
  • the fourth DAI is used to accumulate the number of first downlink allocations corresponding to the fourth priority
  • the fourth DAI is used to accumulate the number of second downlink allocations corresponding to the third priority and the fourth priority;
  • the first downlink allocation or the second downlink allocation feeds back HARQ-ACK in a first physical uplink control channel (Physical Uplink Control Channel, PUCCH) time unit.
  • PUCCH Physical Uplink Control Channel
  • the downlink allocation may include scheduled PDSCH transmission and semi-persistent scheduling (Semi-persistent scheduling, SPS) PDSCH release indication.
  • SPS semi-persistent scheduling
  • the first PUCCH time unit is the second PUCCH time unit indicated by the second DCI; optionally, it may be assumed here that both priorities use the same K1 time domain granularity.
  • the first PUCCH time unit is a PUCCH time unit in which the third PUCCH time unit and the second PUCCH time unit overlap in time domains;
  • the second PUCCH time unit is used to feed back the HARQ-ACK corresponding to the downlink allocation indicated by the second DCI.
  • the third PUCCH time unit here can be understood as a PUCCH time unit that can be used for HARQ-ACK feedback of the second target priority, or all PUCCH time units that can be used for HARQ-ACK feedback of the second target priority.
  • the third PUCCH time unit can be understood as all PUCCH time units that can be used for HARQ-ACK feedback of the fourth priority; when the second target priority corresponds to the fourth priority at the same time
  • the third PUCCH time unit can be understood as all the PUCCH time units available for the HARQ-ACK feedback of the third priority and all PUCCHs available for the HARQ-ACK feedback of the fourth priority time unit.
  • the length of the PUCCH time unit that can be used by the HARQ-ACK of the third priority and the length of the PUCCH time unit that can be used by the HARQ-ACK of the fourth priority may be equal or unequal.
  • the time domain overlap between PUCCH time unit 1 and PUCCH time unit 2 can be understood as, PUCCH time unit 1 and PUCCH time unit 2 correspond to the same uplink carrier, and the time range corresponding to PUCCH time unit 1 is the same as the PUCCH time unit. 2 There is a time domain symbol intersection between the corresponding time ranges.
  • the above-mentioned PUCCH time unit may be a PUCCH slot (slot) or a PUCCH sub-slot (sub-slot).
  • the information determination method in this embodiment of the present application receives second downlink control information DCI, where the second DCI includes a fourth DAI, and the priority indicated by the second DCI is a third priority; according to the fourth DAI, determine The number of downlink assignments for the second target priority can further improve the reliability of DAI determination based on the downlink DCI detection situation corresponding to the fourth priority, thereby improving the reliability of the HARQ-ACK feedback corresponding to the fourth priority.
  • an embodiment of the present application further provides an information indication method, which is executed by a network side device, including:
  • Step 401 Send first downlink control information DCI for scheduling a first physical uplink shared channel PUSCH, where the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to a first priority;
  • the first DAI is used to indicate the DAI of the first HARQ-ACK application to confirm the HARQ-ACK
  • the first HARQ-ACK includes the HARQ-ACK of the second priority
  • the second priority is the same as the HARQ-ACK
  • the first priority is different.
  • the first HARQ-ACK is a HARQ-ACK that needs to be multiplexed and transmitted on the first PUSCH.
  • the above-mentioned first DCI may be an uplink DCI (UL-DCI).
  • the DAI of the first HARQ-ACK application includes the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority, or only the DAI of the HARQ-ACK application of the second priority.
  • the DAI applied by HARQ-ACK can be understood as the DAI used in the process or operation of generating the HARQ-ACK bit sequence corresponding to this HARQ-ACK, which can be used to determine the HARQ-ACK bits included in the corresponding HARQ-ACK bit sequence number.
  • the DAI of the first HARQ-ACK application that needs to be multiplexed on the first PUSCH is indicated by the first DAI
  • the first HARQ-ACK includes the HARQ-ACK of the second priority, so that the When the HARQ-ACK of the second priority is multiplexed and transmitted on the PUSCH of the first priority, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK can be generated according to the determined DAI, thereby improving the HARQ-ACK multiplexing Transmission reliability.
  • the first DAI includes a first group of DAI and a second group of DAI;
  • the first group of DAI is used to indicate the DAI of the HARQ-ACK application of the first priority
  • the second set of DAI is used to indicate the DAI of the HARQ-ACK application of the second priority.
  • a group of DAIs in the embodiments of the present application only involves HARQ-ACK feedback of TB (Transport Block, transport block) granularity (that is, the HARQ-ACK that needs to be multiplexed only includes feedback for TB-level downlink allocations).
  • TB Transport Block, transport block
  • HARQ-ACK corresponding to a single UL DAI
  • HARQ-ACK feedback involving both TB granularity and CBG (Code Block Group, code block group) granularity HARQ-ACK feedback that is, the HARQ-ACK that needs to be multiplexed contains both HARQ-ACK for TB-level downlink allocation feedback, and HARQ-ACK for CBG-level downlink allocation feedback
  • the CBG-level downlink allocation here can be understood as when the upper layer configures the target downlink carrier for DCI scheduling to enable CBG-based retransmission, PDSCH transmission indicated by non-fallback downlink DCI, at this time, based on PDSCH transmission, each possible corresponding CBG feeds back the corresponding HARQ-ACK
  • the HARQ-ACK that needs to be multiplexed corresponds to two HARQ-ACK sub-codebooks sub-codebook, When the first sub-codebook corresponds to HARQ-ACK feedback of TB granularity, and the second sub-codebook correspond
  • the above-mentioned first group of DAI corresponds to priority index 0, or a lower priority, that is, the above-mentioned first group of DAI is used as the DAI of the HARQ-ACK application corresponding to priority index 0; the above-mentioned second group of DAI corresponds to priority index 1, or Higher priority, that is, the above-mentioned second group of DAI is used as the DAI of the HARQ-ACK application corresponding to priority index 1.
  • the above-mentioned first group of DAI corresponds to a priority corresponding to PUSCH scheduling
  • the second group of DAI corresponds to another priority that is different from PUSCH scheduling.
  • whether the above-mentioned first DAI includes the second group of DAI may be determined based on a protocol specification or a high-level configuration.
  • the first DAI is used to indicate the DAI of the HARQ-ACK application of the second priority.
  • the UE does not expect to simultaneously multiplex HARQ-ACKs corresponding to two priorities on the same PUSCH, that is, The HARQ-ACK of a priority different from that of the PUSCH is multiplexed only on the PUSCH, for example, the HARQ-ACK of the second priority is only multiplexed on the PUSCH.
  • the first DAI is used to indicate the DAI for HARQ-ACK application of the second priority.
  • the specific implementation can be guaranteed by base station scheduling;
  • the first DAI is used to indicate the DAI of the HARQ-ACK application of the first target priority
  • the first DAI is respectively used to indicate the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority;
  • the first DAI is used to indicate the sum of the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority, where the terminal misses detection when there is no downlink DCI
  • the value of the first DAI is based on the sum of the above-mentioned second DAI and the above-mentioned third DAI (it can be the value after modulo the sum, for example, the second DAI and all The sum of the third DAI is modulo 4, and the value obtained is set to the value of the first DAI) to be set;
  • the first target priority is one of the following:
  • the lower priority of the first priority and the second priority are the lower priority of the first priority and the second priority.
  • the DAI of the first HARQ-ACK application that needs to be multiplexed on the first PUSCH is indicated by the first DAI
  • the first HARQ-ACK includes the HARQ-ACK of the second priority, so that the When the HARQ-ACK of the second priority is multiplexed and transmitted on the PUSCH of the first priority, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK can be generated according to the determined DAI, thereby improving the HARQ-ACK multiplexing Transmission reliability.
  • an embodiment of the present application further provides an information indication method, which is executed by a network side device, including:
  • Step 501 Send second downlink control information DCI, the second DCI includes a fourth DAI, and the second DCI indicates that the priority of the HARQ-ACK corresponding to the downlink allocation is the third priority;
  • the fourth DAI is used to indicate the number of downlink assignments of the second target priority, and the second target priority includes a fourth priority different from the third priority.
  • the above-mentioned second DCI is downlink DCI.
  • whether the second DCI includes the fourth DAI may be determined based on a protocol specification or a high-layer parameter configuration.
  • the third priority may be the first priority or the second priority.
  • the fourth priority may be the first priority or the second priority described above.
  • the second target priority may only correspond to the fourth priority, or may simultaneously correspond to the third priority and the fourth priority.
  • the fourth DAI indicates the number of downlink allocations of the second target priority, which can further improve the reliability of determining the DAI based on the downlink DCI detection situation corresponding to the fourth priority, thereby improving the fourth priority.
  • the fourth DAI is used to accumulate the number of first downlink allocations corresponding to the fourth priority
  • the fourth DAI is used to accumulate the number of second downlink allocations corresponding to the third priority and the fourth priority;
  • the first downlink allocation or the second downlink allocation feeds back HARQ-ACK in the first PUCCH time unit.
  • the downlink allocation may include scheduled PDSCH transmission and semi-persistent scheduling (Semi-persistent scheduling, SPS) PDSCH release indication.
  • SPS semi-persistent scheduling
  • the first PUCCH time unit is the second PUCCH time unit indicated by the second DCI; optionally, it may be assumed here that both priorities use the same K1 time domain granularity.
  • the first PUCCH time unit is a PUCCH time unit in which the third PUCCH time unit and the second PUCCH time unit overlap in time domains;
  • the second PUCCH time unit is used to feed back the HARQ-ACK corresponding to the downlink allocation indicated by the second DCI.
  • the above-mentioned PUCCH time unit may be a PUCCH slot (slot) or a PUCCH sub-slot (sub-slot).
  • the fourth DAI indicates the number of downlink allocations of the second target priority, which can further improve the reliability of determining the DAI based on the downlink DCI detection situation corresponding to the fourth priority, thereby improving the fourth priority.
  • the execution subject may be an information determination device, or a control module in the information determination for executing the information determination method.
  • the information determining device provided by the embodiments of the present application is described by taking the information determining device executing the information determining method as an example.
  • an embodiment of the present application further provides an information determination apparatus 600, which is applied to a terminal and includes:
  • the first receiving module 601 is configured to receive first downlink control information DCI used for scheduling a first physical uplink shared channel PUSCH, the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to the first priority;
  • a first determining module 602 configured to determine, according to the first DAI, the DAI of the first hybrid automatic repeat request acknowledgment HARQ-ACK application, wherein the first HARQ-ACK is the need to multiplex transmission on the first PUSCH the HARQ-ACK, the first HARQ-ACK includes a HARQ-ACK of a second priority, and the second priority is different from the first priority;
  • a first generating module 603, configured to generate a HARQ-ACK bit sequence corresponding to the first HARQ-ACK according to the determined DAI.
  • the first determination module is configured to use the first DAI as the DAI for the HARQ-ACK application of the second priority.
  • the first DAI includes a first group of DAI and a second group of DAI;
  • the first determining module is configured to use the second group of DAI as the DAI for the HARQ-ACK application of the second priority.
  • the first determination module is further configured to use the first group of DAIs as the DAIs of the HARQ-ACK application of the first priority.
  • a second determining module configured to use the first DAI as the DAI of the HARQ-ACK application of the first target priority
  • a third determination sub-module configured to determine the DAI applied by the HARQ-ACK of the first other priority according to the detection situation of the downlink DCI corresponding to the HARQ-ACK of the first other priority;
  • the first target priority is one of the following:
  • the first other priority refers to a priority other than the first target priority among the first priority and the second priority.
  • the first determination module is configured to use the first DAI as the DAI of the HARQ-ACK application of the first priority and the HARQ-ACK application of the second priority, respectively DAI.
  • the first determination module includes:
  • a first determination submodule configured to determine the second DAI according to the detection situation of the downlink DCI corresponding to the HARQ-ACK of the first priority
  • a second determination submodule configured to determine a third DAI according to the detection situation of the downlink DCI corresponding to the HARQ-ACK of the second priority
  • a third determination submodule configured to use the second DAI as the HARQ of the first priority when the sum of the second DAI and the third DAI is equal to the value of the first DAI -DAI for ACK application, using the third DAI as the DAI for HARQ-ACK application of the second priority.
  • the first determination module includes:
  • a fourth determination sub-module configured to determine the DAI of the HARQ-ACK application of the first target priority according to the detection situation of the downlink DCI corresponding to the first target priority
  • a fifth determination submodule configured to determine the DAI of the HARQ-ACK application of the first other priority according to the DAI of the HARQ-ACK application of the first target priority and the first DAI;
  • the first target priority is one of the following:
  • the first other priority refers to a priority other than the first target priority among the first priority and the second priority, and the HARQ-ACK of the first priority is applied.
  • the sum of the DAI and the DAI of the HARQ-ACK application of the second priority is equal to the value of the first DAI.
  • a carrying module configured to carry the DAI information of the first other priority in the first PUSCH.
  • a first processing module configured to convert the DAI information bits of the first other priorities carried in the first PUSCH in the case of actually multiplexing the HARQ-ACK of the first target priority in the first PUSCH Perform sequential concatenation with the HARQ-ACK bit sequence of the first target priority, and encode and map the bit sequence obtained by the concatenation;
  • the DAI information of the first other priority carried in the first PUSCH is used as the first
  • the HARQ-ACK of the target priority is encoded and mapped.
  • a second processing module configured to first execute the HARQ-ACK of the first target priority and/or the DAI information of the first other priority when performing the multiplexing process of the PUSCH transmission scheduled by the first DCI The mapping of the corresponding coded bit sequence is performed, and then the mapping of the coded bit sequence corresponding to the HARQ-ACK of the first other priority is performed.
  • the apparatus for determining information in this embodiment of the present application receives a first DCI for scheduling a first PUSCH, where the first DCI includes a first DAI, and the first PUSCH corresponds to a first priority; according to the first DAI, it is determined that the DAI applied by the first HARQ-ACK multiplexed on the first PUSCH, the first HARQ-ACK including the HARQ-ACK of the second priority, so that the HARQ-ACK of the second priority is on the PUSCH of the first priority During multiplexing transmission, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK may be generated according to the determined DAI, thereby improving the reliability of HARQ-ACK multiplexing transmission.
  • an embodiment of the present application further provides an information determination apparatus 700, which is applied to a terminal and includes:
  • a second receiving module 701 configured to receive second downlink control information DCI, where the second DCI includes a fourth DAI, and the priority of the HARQ-ACK indication corresponding to the second DCI downlink assignment is the third priority;
  • the fourth determining module 702 is configured to determine, according to the fourth DAI, the number of downlink assignments of a second target priority, where the second target priority includes a fourth priority different from the third priority.
  • the fourth DAI is used to accumulate the number of first downlink allocations corresponding to the fourth priority
  • the fourth DAI is used to accumulate the number of second downlink allocations corresponding to the third priority and the fourth priority;
  • the first downlink allocation or the second downlink allocation feeds back HARQ-ACK in the first PUCCH time unit.
  • the first PUCCH time unit is the second PUCCH time unit indicated by the second DCI;
  • the first PUCCH time unit is a PUCCH time unit in which the third PUCCH time unit and the second PUCCH time unit overlap in time domains;
  • the second PUCCH time unit is used to feed back the HARQ-ACK corresponding to the downlink allocation indicated by the second DCI.
  • the apparatus for determining information in this embodiment of the present application receives second downlink control information DCI, where the second DCI includes a fourth DAI, and the priority indicated by the second DCI is a third priority; according to the fourth DAI, determine The number of downlink allocations for the second target priority can further improve the reliability of determining the DAI based on the downlink DCI detection situation corresponding to the second target priority.
  • the apparatus for determining information in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the information determining device in the embodiment of the present application may be a device having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the information determination apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 or FIG. 3 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • an embodiment of the present application further provides a communication device 800, including a processor 801, a memory 802, a program or instruction stored in the memory 802 and executable on the processor 801,
  • a communication device 800 including a processor 801, a memory 802, a program or instruction stored in the memory 802 and executable on the processor 801
  • the communication device 800 is a terminal
  • the program or instruction is executed by the processor 801
  • each process of the above-mentioned embodiments of the method for determining information applied to the terminal can be implemented, and the same technical effect can be achieved.
  • the communication device 800 is a network side device
  • the program or instruction is executed by the processor 801
  • each process of the above-mentioned embodiment of the information indication method applied to the network device side is implemented, and the same technical effect can be achieved. To avoid repetition, here No longer.
  • FIG. 9 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 900 includes but is not limited to: a radio frequency unit 901, a network module 902, an audio output unit 903, an input unit 904, a sensor 905, a display unit 906, a user input unit 907, an interface unit 908, a memory 909, and a processor 910 and other components .
  • the terminal 900 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 910 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 9 does not constitute a limitation on the terminal, and the terminal may include more or less components than those shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 904 may include a graphics processor (Graphics Processing Unit, GPU) 9041 and a microphone 9042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 906 may include a display panel 9061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 907 includes a touch panel 9071 and other input devices 9072 .
  • the touch panel 9071 is also called a touch screen.
  • the touch panel 9071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 9072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 901 receives the downlink data from the network side device, and then processes it to the processor 910; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 901 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.
  • Memory 909 may be used to store software programs or instructions as well as various data.
  • the memory 909 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 909 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 910 may include one or more processing units; optionally, the processor 910 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 910.
  • the radio frequency unit 901 is configured to receive the first downlink control information DCI for scheduling the first physical uplink shared channel PUSCH, the first DCI includes the first downlink allocation index DAI, and the first PUSCH corresponds to the first priority;
  • the processor 910 is configured to determine, according to the first DAI, the DAI to which the first HARQ-ACK is applied to acknowledge the HARQ-ACK, wherein the first HARQ-ACK includes the HARQ-ACK of the second priority, and the first HARQ-ACK The second priority is different from the first priority; the HARQ-ACK bit sequence corresponding to the first HARQ-ACK is generated according to the determined DAI.
  • the terminal in this embodiment of the present application receives a first DCI for scheduling a first PUSCH, where the first DCI includes a first DAI, and the first PUSCH corresponds to a first priority; according to the first DAI, it is determined that the DAI applied by the first HARQ-ACK multiplexed on the PUSCH that includes the HARQ-ACK of the second priority, so that the HARQ-ACK of the second priority is multiplexed on the PUSCH of the first priority During transmission, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK may be generated according to the determined DAI, thereby improving the reliability of HARQ-ACK multiplexing transmission.
  • the processor 910 is further configured to use the first DAI as the DAI for the HARQ-ACK application of the second priority.
  • the first DAI includes a first group of DAI and a second group of DAI;
  • the processor 910 is further configured to use the first group of DAI as the DAI of the HARQ-ACK application of the first priority; use the second group of DAI as the DAI of the HARQ-ACK application of the second priority .
  • the processor 910 is further configured to use the first DAI as the DAI applied by the HARQ-ACK of the first target priority; according to the detection situation of the downlink DCI corresponding to the HARQ-ACK of the first other priority, determine the DAI of the HARQ-ACK application of the first other priority;
  • the first target priority is one of the following:
  • the first other priority refers to a priority other than the first target priority among the first priority and the second priority.
  • the processor 910 is further configured to use the first DAI as the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority, respectively.
  • the processor 910 is further configured to determine the second DAI according to the detection situation of the downlink DCI corresponding to the HARQ-ACK of the first priority;
  • the second DAI is used as the DAI for the HARQ-ACK application of the first priority
  • the The third DAI is used as the DAI for the HARQ-ACK application of the second priority.
  • the processor 910 is further configured to determine the DAI of the HARQ-ACK application of the first target priority according to the detection situation of the downlink DCI corresponding to the first target priority;
  • the DAI of the HARQ-ACK application of the first target priority and the first DAI determine the DAI of the HARQ-ACK application of the first other priority
  • the first target priority is one of the following:
  • the first other priority refers to a priority other than the first target priority among the first priority and the second priority, and the HARQ-ACK of the first priority is applied.
  • the sum of the DAI and the DAI of the HARQ-ACK application of the second priority is equal to the value of the first DAI.
  • the processor 910 is further configured to carry the DAI information of the first other priority in the first PUSCH.
  • the processor 910 is further configured to, when the HARQ-ACK of the first target priority is actually multiplexed in the first PUSCH, convert the first other priority carried in the first PUSCH
  • the DAI information bits are sequentially concatenated with the HARQ-ACK bit sequence of the first target priority, and the bit sequence obtained by the concatenation is encoded and mapped;
  • the DAI information of the first other priority carried in the first PUSCH is used as the first
  • the HARQ-ACK of the target priority is encoded and mapped.
  • the processor 910 is further configured to first execute the HARQ-ACK of the first target priority and/or the first other priority when performing the multiplexing process of the PUSCH transmission scheduled by the first DCI The mapping of the coded bit sequence corresponding to the DAI information of the first priority is performed, and then the mapping of the coded bit sequence corresponding to the HARQ-ACK of the first other priority is performed.
  • the terminal in this embodiment of the present application receives a first DCI for scheduling a first PUSCH, where the first DCI includes a first DAI, and the first PUSCH corresponds to a first priority; according to the first DAI, it is determined that the DAI applied by the first HARQ-ACK multiplexed on the PUSCH that includes the HARQ-ACK of the second priority, so that the HARQ-ACK of the second priority is multiplexed on the PUSCH of the first priority During transmission, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK may be generated according to the determined DAI, thereby improving the reliability of HARQ-ACK multiplexing transmission.
  • the radio frequency unit 901 is further configured to receive the second downlink control information DCI, the second DCI includes the fourth DAI, and the second DCI indicates that the priority of the HARQ-ACK corresponding to the downlink allocation is the third priority;
  • the processor 910 is configured to determine, according to the fourth DAI, the number of downlink assignments of a second target priority, where the second target priority includes a fourth priority different from the third priority.
  • the terminal in this embodiment of the present application receives second downlink control information DCI, where the second DCI includes a fourth DAI, and the priority indicated by the second DCI is the third priority; according to the fourth DAI, determine the second The number of downlink assignments for the target priority can further improve the reliability of DAI determination based on the downlink DCI detection situation corresponding to the fourth priority, thereby improving the reliability of the HARQ-ACK feedback corresponding to the fourth priority.
  • the fourth DAI is used to accumulate the number of first downlink allocations corresponding to the fourth priority
  • the fourth DAI is used to accumulate the number of second downlink allocations corresponding to the third priority and the fourth priority;
  • the first downlink allocation or the second downlink allocation feeds back HARQ-ACK in the first PUCCH time unit.
  • the first PUCCH time unit is the second PUCCH time unit indicated by the second DCI;
  • the first PUCCH time unit is a PUCCH time unit in which the third PUCCH time unit and the second PUCCH time unit overlap in time domains;
  • the second PUCCH time unit is used to feed back the HARQ-ACK corresponding to the downlink allocation indicated by the second DCI.
  • the terminal in this embodiment of the present application receives second downlink control information DCI, where the second DCI includes a fourth DAI, and the priority indicated by the second DCI is the third priority; according to the fourth DAI, determine the second The number of downlink assignments for the target priority can further improve the reliability of DAI determination based on the downlink DCI detection situation corresponding to the fourth priority, thereby improving the reliability of the HARQ-ACK feedback corresponding to the fourth priority.
  • the execution body may be an information indication device, or a control module in the information indication device for executing the information indication method.
  • the information indicating device provided by the embodiment of the present application is described by taking the information indicating device executing the information indicating method as an example.
  • an embodiment of the present application further provides an information indicating apparatus 1000, which is applied to a network side device, including:
  • a first sending module 1001 configured to send first downlink control information DCI for scheduling a first physical uplink shared channel PUSCH, the first DCI includes a first downlink allocation index DAI, and the first PUSCH corresponds to a first priority ;
  • the first DAI is used to indicate the DAI of the first HARQ-ACK application to confirm the HARQ-ACK
  • the first HARQ-ACK includes the HARQ-ACK of the second priority
  • the second priority is the same as the HARQ-ACK
  • the first priority is different.
  • the first DAI includes a first group of DAI and a second group of DAI;
  • the first group of DAI is used to indicate the DAI of the HARQ-ACK application of the first priority
  • the second set of DAI is used to indicate the DAI of the HARQ-ACK application of the second priority.
  • the first DAI is used to indicate the DAI of the HARQ-ACK application of the second priority
  • the first DAI is used to indicate the DAI of the HARQ-ACK application of the first target priority
  • the first DAI is respectively used to indicate the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority;
  • the first DAI is used to indicate the sum of the DAI of the HARQ-ACK application of the first priority and the DAI of the HARQ-ACK application of the second priority;
  • the first target priority is one of the following:
  • the lower priority of the first priority and the second priority are the lower priority of the first priority and the second priority.
  • the DAI of the first HARQ-ACK application that needs to be multiplexed on the first PUSCH is indicated by the first DAI, where the first HARQ-ACK includes the HARQ-ACK of the second priority, so that the When the HARQ-ACK of the second priority is multiplexed and transmitted on the PUSCH of the first priority, the HARQ-ACK bit sequence corresponding to the first HARQ-ACK can be generated according to the determined DAI, thereby improving the HARQ-ACK multiplexing Transmission reliability.
  • an embodiment of the present application further provides an information indicating apparatus 1100, which is applied to a network side device, including:
  • the second sending module 1101 is configured to send second downlink control information DCI, where the second DCI includes a fourth DAI, and the second DCI indicates that the priority of the HARQ-ACK corresponding to the downlink allocation is the third priority;
  • the fourth DAI is used to indicate the number of downlink assignments of the second target priority, and the second target priority includes a fourth priority different from the third priority.
  • the fourth DAI is used to accumulate the number of first downlink allocations corresponding to the fourth priority
  • the fourth DAI is used to accumulate the number of second downlink allocations corresponding to the third priority and the fourth priority;
  • the first downlink allocation or the second downlink allocation feeds back HARQ-ACK in the first PUCCH time unit.
  • the first PUCCH time unit is the second PUCCH time unit indicated by the second DCI;
  • the first PUCCH time unit is a PUCCH time unit in which the third PUCCH time unit and the second PUCCH time unit overlap in time domains;
  • the second PUCCH time unit is used to feed back the HARQ-ACK corresponding to the downlink allocation indicated by the second DCI.
  • the fourth DAI indicates the number of downlink allocations of the second target priority, which can further improve the reliability of determining the DAI based on the downlink DCI detection situation corresponding to the fourth priority, thereby improving the fourth priority.
  • the network device 1200 includes: an antenna 1201 , a radio frequency device 1202 , and a baseband device 1203 .
  • the antenna 1201 is connected to the radio frequency device 1202 .
  • the radio frequency device 1202 receives information through the antenna 1201, and sends the received information to the baseband device 1203 for processing.
  • the baseband device 1203 processes the information to be sent and sends it to the radio frequency device 1202
  • the radio frequency device 1202 processes the received information and sends it out through the antenna 1201 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1203 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1203 .
  • the baseband apparatus 1203 includes a processor 1204 and a memory 1205 .
  • the baseband device 1203 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 12 , one of the chips is, for example, the processor 1204 , which is connected to the memory 1205 to call the program in the memory 1205 to execute
  • the network devices shown in the above method embodiments operate.
  • the baseband device 1203 may further include a network interface 1206 for exchanging information with the radio frequency device 1202, and the interface is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present invention further includes: an instruction or program stored in the memory 1205 and executable on the processor 1204, and the processor 1204 invokes the instruction or program in the memory 1205 to execute the instruction or program shown in FIG. 10 or FIG. 11 . In order to avoid repetition, it is not repeated here.
  • An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each of the foregoing information determination method embodiments or information indication method embodiments is implemented process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the foregoing information determination method embodiment or
  • the information indicates each process of the method embodiment, and can achieve the same technical effect. In order to avoid repetition, details are not repeated here.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de détermination d'informations, un procédé d'indication d'informations, un terminal et un dispositif du côté réseau. Le procédé de détermination d'informations comprend : la réception de premières informations DCI utilisées pour programmer un premier canal PUSCH, les premières informations DCI comprenant un premier indice DAI, et le premier canal PUSCH correspondant à une première priorité ; selon le premier indice DAI, la détermination d'un indice DAI appliqué à un premier HARQ-ACK, le premier HARQ-ACK comprenant un HARQ-ACK d'une seconde priorité et la seconde priorité étant différente de la première priorité ; et selon l'indice DAI déterminé, la génération d'une séquence de bits HARQ-ACK correspondant au premier HARQ-ACK.
PCT/CN2021/111302 2020-08-07 2021-08-06 Procédé de détermination d'informations, procédé d'indication d'informations, terminal, et dispositif du côté réseau Ceased WO2022028606A1 (fr)

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