Response feedback method and device, terminal, and readable storage medium

Abstract

The present application discloses a response feedback method and device, and a terminal, which belongs to the field of communication technology, and the response feedback method of the embodiment of the present application includes, when the terminal is scheduled to feedback HARQ information of N downlink transmissions in one time unit, the terminal determines a feedback scheme and / or feedback resource for feedbacking a response according to first information, and the first information includes at least one of the number N of downlink transmissions, the number of group radio network temporary identifiers, and whether the network side device configures a first parameter. The embodiment of the present application can determine the feedback scheme and / or feedback resource for feedbacking the response.

Description

[Technical Field]

[0001] (CROSS-REFERENCE TO RELATED APPLICATIONS) This application claims priority from Chinese Patent Application No. 202210130233.8, filed in China on February 11, 2022, the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the field of communication technology, and specifically to a response feedback method and device, a terminal, and a readable storage medium. [Background technology]

[0003] After the base station transmits a Physical Downlink Shared Channel (PDSCH) or a Physical Downlink Control Channel (PDCCH) (e.g., a PDCCH instructing the release of a Semi-Persistent Scheduling (SPS) PDSCH), the terminal (User Equipment, UE) receives and completes decoding, and then feeds back the PDSCH / PDCCH decoding result to the base station, thereby notifying the base station whether the PDSCH / SPS PDSCH release PDCCH has been successfully decoded. The base station makes a next scheduling decision based on the feedback, and this process is called Hybrid Automatic Repeat Request (HARQ). The HARQ feedback schemes include HARQ-Acknowledge (ACK) / Not Acknowledge (NACK) and HARQ NACK only. In the HARQ-ACK / NACK feedback mode, the UE feeds back an ACK if it successfully decodes the PDSCH / PDCCH, and feeds back a NACK if it does not. In the HARQ NACK only feedback mode, the UE feeds back a NACK if it does not successfully decode the PDSCH / PDCCH, and does not feed back any information at other times.

[0004] For the NACK-only feedback mode, the PUCCH may be group-common, i.e., different UEs can feedback NACK information of the same PDSCH on the same PUCCH. In NR, the time unit (slot or subslot) for HARQ feedback is determined by k1 (feedback timing indication from PDSCH to HARQ) indicated in the downlink control information (DCI) of downlink scheduling, where k1 represents the number of time units from the time unit where the PDSCH end position is located to the HARQ feedback, i.e., when a UE receives a PDSCH in time unit n, the UE feeds back its corresponding HARQ information in time unit n+k1.

[0005] In the NACK-only feedback mode, the PUCCH for feeding back NACK-only is common to the group, so when a UE feeds back NACK on one PUCCH, the base station regards the PDSCH corresponding to this NACK as a decoding error and retransmits the corresponding PDSCH.When multiple PDSCHs are scheduled in the same time unit (slot / subslot), it is necessary to solve how the UE feeds back NACK-only for multiple PDSCHs. Summary of the Invention [Problem to be solved by the invention]

[0006] The embodiments of the present application provide a response feedback method and device, a terminal, and a readable storage medium, which can determine a feedback manner and / or a feedback resource for feedbacking a response. [Means for solving the problem]

[0007] According to a first aspect, there is provided a response feedback method, the method comprising: The method includes: when a terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, the terminal determining a feedback scheme and / or feedback resource for feedbacking a response based on the first information, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback method and / or a feedback resource selection method for feedbacking a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is that the terminal feeds back an acknowledgement (ACK) when the terminal successfully decodes the physical downlink shared channel and / or the physical downlink control channel, and the terminal feeds back a negative acknowledgement (NACK) when the terminal does not successfully decode the physical downlink shared channel and / or the physical downlink control channel; The second feedback manner is that the terminal only feeds back a negative acknowledgement if it fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel.

[0008] A second aspect provides a response feedback device, the device comprising: The method further comprises: a processing module for determining, when the terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, a feedback scheme and / or a feedback resource for feedbacking a response based on the first information, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback method and / or a feedback resource selection method for feedbacking a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is that the terminal feeds back an acknowledgement (ACK) when the terminal successfully decodes the physical downlink shared channel and / or the physical downlink control channel, and the terminal feeds back a negative acknowledgement (NACK) when the terminal does not successfully decode the physical downlink shared channel and / or the physical downlink control channel; The second feedback manner is that the terminal only feeds back a negative acknowledgement if it fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel.

[0009] According to a third aspect, there is provided a terminal including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method of the first aspect.

[0010] According to a fourth aspect, there is provided a terminal, including a processor and a communication interface, wherein the processor is adapted to, when the terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, determine a feedback scheme and / or feedback resource for feeding back a response based on the first information, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback method and / or a feedback resource selection method for feedbacking a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is that the terminal feeds back an acknowledgement (ACK) when the terminal successfully decodes the physical downlink shared channel and / or the physical downlink control channel, and the terminal feeds back a negative acknowledgement (NACK) when the terminal does not successfully decode the physical downlink shared channel and / or the physical downlink control channel; The second feedback manner is that the terminal only feeds back a negative acknowledgement if it fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel.

[0011] According to a fifth aspect, there is provided a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implements the steps of the method according to the first aspect.

[0012] According to a sixth aspect, there is provided a chip, the chip including a processor and a communication interface, the communication interface coupled to the processor, the processor running a program or instructions and adapted to implement the method of the first aspect.

[0013] According to a seventh aspect, there is provided a computer program / program product stored on a storage medium, the computer program / program product being used to implement the steps of the response feedback method according to the first aspect when executed by at least one processor. [Effects of the Invention]

[0014] In an embodiment of the present application, when a terminal is scheduled to feedback HARQ information for multiple downlink transmissions in one time unit, the terminal determines a feedback method and / or feedback resource for feedbacking a response based on the first information. In this way, when multiple downlink transmissions are scheduled in the same time unit, the terminal can clarify the feedback method and feedback resource for feedbacking a response, thereby improving the effectiveness of the communication system. [Brief explanation of the drawings]

[0015] [Figure 1] 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied. [Figure 2] 1 is a flowchart of a response feedback method according to an embodiment of the present application; [Figure 3] FIG. 10 is a schematic diagram of a case where all PDSCHs are scheduled to feed back HARQ information in slot n according to a third embodiment of the present application; [Figure 4] 1 is a structural schematic diagram of a response feedback device according to an embodiment of the present application; [Figure 5] 1 is a structural schematic diagram of a communication device according to an embodiment of the present application; [Figure 6] 1 is a structural schematic diagram of a terminal according to an embodiment of the present application; DETAILED DESCRIPTION OF THE INVENTION

[0016] The following clearly and completely describes the technical solutions in the embodiments of the present application, in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application fall within the scope of protection of the present application.

[0017] The terms "first," "second," etc. in the specification and claims of this application are intended to distinguish between similar objects and are not intended to describe a particular order or sequence. It should be understood that terms used in this manner are interchangeable where appropriate, so that embodiments of this application may be performed in orders other than those illustrated or described herein, and that objects distinguished by "first" and "second" are generally of the same type and do not limit the number of objects; for example, a first object may be one or more. Furthermore, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates an "or" relationship between the related objects.

[0018] It should be noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be applied to other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-Carrier Frequency Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are always used interchangeably, and the described techniques may be used in the above-mentioned systems and radio technologies as well as other systems and radio technologies. Although the following description describes a New Radio (NR) system for illustrative purposes and uses NR terminology in most of the following description, these techniques may be applied to applications other than NR system applications, such as 6th Generation (6G) communication systems.

[0019] 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network side device 12. Here, the terminal 11 may be a mobile phone, a tablet personal computer, a laptop computer (also called a notebook computer), a personal digital assistant (PDA), a palmtop computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile internet device (MID), an augmented reality (AR) / virtual reality (VR) device, a robot, a wearable device, a vehicle user equipment (VUE), a pedestrian user equipment (PUE), a smart home (home devices with wireless communication capabilities, such as a refrigerator, a television, a washing machine, or furniture), a game console, a personal computer, a The network side device 12 may be a terminal side device such as a mobile phone (mobile phone), a cash register (cash machine), a self-service machine, or the like, and the wearable device includes a smart watch, a smart band, a smart earphone, a smart glasses, a smart accessory (a smart bracelet, a smart bracelet, a smart ring, a smart necklace, a smart anklet, or the like), a smart wristband, a smart clothing, or the like. It should be noted that the embodiments of the present application do not limit the specific type of the terminal 11. The network side device 12 may include an access network device or a core network device, where the access network device may be referred to as a radio access network device, a radio access network (RAN), a radio access network function, or a radio access network unit.The access network equipment may include a base station, a wireless local area network (WLAN) access point, a WiFi node, etc., and the base station may be called a Node B, an evolved Node B (eNB), an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a home B node, a home evolved B node, a transmitting receiving point (TRP), or any other appropriate term in the art. As long as the same technical effect is achieved, the base station is not limited to a specific technical term. For illustrative purposes, in the embodiments of this application, only base stations in an NR system are taken as examples, and the specific type of base station is not limited.

[0020] Currently, NR technology has not supported broadcast / multicast features for a long time. However, there are many important usage scenarios in which broadcast / multicast features can provide substantial improvements, particularly in terms of system efficiency and user experience, such as public safety and mission-critical, V2X applications, transparent IPv4 / IPv6 multicast delivery, interactive network television (IPTV), software delivery over wireless, group communications, and IoT applications. Therefore, NR introduces broadcast / multicast features.

[0021] NR multicast transmission supports Point-to-Multipoint (PTM) multicast service transmission. PTM is a multicast transmission method in which a Physical Downlink Control Channel (PDCCH) scrambled by a Group Radio Network Temporary Identifier (G-RNTI) schedules a Physical Downlink Shared Channel (PDSCH) scrambled by the G-RNTI to perform service scheduling and transmission. The PDCCH or PDSCH scrambled by the G-RNTI may be simultaneously received by a group of terminals.

[0022] After the base station transmits a PDSCH or PDCCH (e.g., a PDCCH indicating a semi-static scheduling (SPS) PDSCH release), the UE receives and completes decoding, then feeds back the PDSCH / PDCCH decoding result to the base station and notifies the base station whether the PDSCH / SPS PDSCH release PDCCH was successfully decoded. The base station makes the next scheduling decision based on the feedback, and this process is called hybrid automatic repeat request (HARQ). HARQ feedback schemes include HARQ-acknowledgement (ACK) / negative acknowledgement (NACK) and HARQ NACK-only. In the HARQ-ACK / NACK feedback mode, the UE feeds back an ACK if the PDSCH / PDCCH is successfully decoded, and a NACK if not. In the HARQ NACK-only feedback mode, the UE feeds back a NACK if the PDSCH / PDCCH is not successfully decoded, and does not feed back any information at other times. The Physical Uplink Control Channel (PUCCH) is the primary channel carrying HARQ information (HARQ information may also be carried on the Physical Uplink Shared Channel (PUSCH), and if the time domain resources of the PUCCH carrying HARQ-ACK / NACK overlap with those of the PUSCH, the HARQ-ACK / NACK are multiplexed and transmitted on the PUSCH). For feedback in ACK / NACK mode, the PUCCH is UE-specific, i.e., different UEs have different PUCCHs. For NACK-only feedback mode, the PUCCH may be group-universal, i.e., different UEs can feedback NACK information of the same PDSCH on the same PUCCH.In NR, the time unit (slot or subslot) for HARQ feedback is determined by k1 (PDSCH to HARQ feedback timing indication) indicated in the downlink control information (DCI) of downlink scheduling. Here, k1 represents the number of time units from the time unit where the PDSCH ends to the HARQ feedback. That is, when a UE receives a PDSCH in time unit n, the UE feeds back the corresponding HARQ information in time unit n+k1. Here, k1 may take different values ​​for different PDSCHs. The base station first configures the k1 set through radio resource control (RRC) signaling and then indicates the specific value through DCI. If the DCI does not include the k1 domain, it is determined by higher layer parameters.

[0023] Currently, only PUCCH format 0 / 1 is supported for the NACK-only feedback mode. Since the PUCCH for feeding back NACK-only is common to the group, when a UE feeds back a NACK on one PUCCH, the base station regards this NACK as a decoding error for the PDSCH corresponding to the PUCCH and retransmits the corresponding PDSCH. When multiple PDSCHs are scheduled in the same time unit (slot / subslot), it is necessary to determine how the UE feeds back NACK-only for multiple PDSCHs.

[0024] The following describes in detail the response feedback method according to the embodiments of the present application through several examples and its application scenarios in conjunction with the drawings.

[0025] An embodiment of the present application provides a response feedback method, as shown in FIG. 2, which includes: When a terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, the terminal includes: determining a feedback scheme and / or feedback resource for feedbacking a response based on the first information in step 101, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback method and / or a feedback resource selection method for feedbacking a response; The feedback manner includes a first feedback manner and a second feedback manner, in which the first feedback manner is that the terminal feeds back an acknowledgement (ACK) when the physical downlink shared channel and / or the physical downlink control channel is successfully decoded, and the terminal feeds back a negative acknowledgement (NACK) (i.e., a HARQ-ACK / NACK feedback mode) when the physical downlink shared channel and / or the physical downlink control channel is not successfully decoded; The second feedback manner is that the terminal only feeds back a negative acknowledgement (ie, NACK only mode) when the terminal fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel.

[0026] In an embodiment of the present application, when a terminal is scheduled to feedback HARQ information for multiple downlink transmissions in one time unit, the terminal determines a feedback method and / or feedback resource for feedbacking a response based on the first information. In this way, when multiple downlink transmissions are scheduled in the same time unit, the terminal can clarify the feedback method and feedback resource for feedbacking a response, thereby improving the effectiveness of the communication system.

[0027] Here, the network side device may configure the first parameter, or may not configure the first parameter. If the network side device does not configure the first parameter, that is, the first parameter adopts a default value.

[0028] The first parameter is used to configure a feedback scheme in a scenario in which "the terminal is scheduled to feedback HARQ information for N downlink transmissions in one time unit", and the value may be mode 1 or mode 2. For example, when the value of the first parameter is mode 1, it indicates to adopt a HARQ-ACK / NACK feedback mode, and when the value of the first parameter is mode 2, it indicates to adopt a NACK-only feedback mode. Alternatively, the first parameter may configure a feedback scheme in a scenario in which "the terminal is scheduled to feedback HARQ information for N downlink transmissions in one time unit", and the value of the first parameter may be mode 1 or mode 2. For example, when the value of the first parameter is mode 1, it indicates to adopt a HARQ-ACK / NACK feedback mode, and when the value of the first parameter is mode 2, it indicates to adopt a NACK-only feedback mode. The first parameter is used to configure whether to adopt the HARQ-ACK / NACK feedback mode in a scenario in which "the terminal is scheduled to feedback HARQ information for N downlink transmissions in one time unit", and the value may be "enable" or "disable", or the default value of the first parameter is "disable". Alternatively, the first parameter is used to configure whether to adopt the HARQ-ACK / NACK feedback mode in a scenario in which "the terminal is scheduled to feedback HARQ information for N downlink transmissions in one time unit", and the value may be "enable" or "disable", or the default value of the first parameter is "disable". For example, when the value of the first parameter is "enable", it instructs to adopt the HARQ-ACK / NACK feedback mode, and when the value of the first parameter is "disable", it instructs not to adopt the HARQ-ACK / NACK feedback mode.

[0029] Here, N may be an integer greater than 1. When N is greater than 1, the HARQ feedback mode corresponding to each of the N downlink transmissions is the NACK only mode, i.e., the feedback mode of each downlink transmission determined based on the higher layer parameter configuration is the NACK only mode, for example, per G-RNTI and / or Group-Configured Scheduling-Radio Network Temporary Identity (G-CS-RNTI) configures the feedback mode of a PDSCH, and the UE determines that the HARQ feedback mode of the downlink transmission is the NACK only mode based on the G-RNTI and / or G-CS-RNTI corresponding to the downlink transmission.

[0030] Here, the downlink transmission includes a Physical Downlink Shared Channel (PDSCH) and / or a Transport Block (TB), and the time unit includes a slot and a sub-slot.

[0031] In some embodiments, the network side device configures a first parameter, the first parameter being: The terminal, when one group radio network temporary identifier is configured or activated, feeds back HARQ information of multiple downlink transmissions by adopting the second feedback manner in one time unit; When a plurality of group radio network temporary identifiers are configured or activated, the terminal employs the first feedback manner to feed back HARQ information of at most one downlink transmission in one time unit; feeding back HARQ information for a plurality of downlink transmissions by adopting the first feedback scheme in one time unit; and feeding back HARQ information for a plurality of downlink transmissions using the second feedback method in one time unit.

[0032] In this embodiment, the terminal employs the second feedback scheme to feed back HARQ information for multiple downlink transmissions, or employs the first feedback scheme to feed back HARQ information for multiple downlink transmissions, without considering the number of configured or activated group radio network temporary identifiers, or determines whether to employ the first feedback scheme or the second feedback scheme to feed back HARQ information for multiple downlink transmissions based on whether a first parameter of the base station is configured.

[0033] When a G-RNTI is configured or activated for the UE (or when a G-RNTI corresponding to the feedback mode NACK only is configured), the base station may schedule NACK-only feedback for multiple TBs and / or PDSCHs in one time unit. When the number of TBs and / or PDSCHs is Y or less, up to X orthogonal PUCCH resources are defined to correspond to TBs and / or PDSCHs for which up to Y NACK-only feedback is scheduled, respectively, where X and Y are integers greater than 1. When the number of TBs and / or PDSCHs is greater than Y, up to X orthogonal PUCCH resources are defined to correspond to TBs and / or PDSCHs for which up to Y NACK-only feedback is scheduled, where X and Y are integers greater than 1. The only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH configuration (PUCCH-config) / PUCCH configuration list (PUCCH-configList) corresponding to ACK / NACK (or determined in the PUCCH configuration corresponding to unicast PDSCH feedback). Specifically, the UE determines the resource set in which the PUCCH is located based on the number of ACK / NACK bits, and determines the feedback resource for feeding back the ACK or NACK within the set based on the PUCCH resource indicator (PRI) and / or control channel element (CCE) index indication in the last downlink control information (last DCI).

[0034] Alternatively, Y may be smaller than X, but Y may also be equal to or larger than X. For example, X=15, Y=4, or X=32, Y=2, etc.

[0035] Alternatively, the values ​​of X and Y may be specified by a protocol, predefined, or configured by a higher layer parameter. In some embodiments, the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers, and determining a feedback scheme and / or a feedback resource for the terminal to feedback a response based on the first information includes: When the terminal configures or activates a group radio network temporary identifier, if the number of downlink transmissions is less than or equal to Y, determine that a feedback scheme for feeding back a response is the second feedback scheme, and feed back HARQ information of up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1, if the number of downlink transmissions is greater than Y, determine that the feedback scheme for feeding back a response is the first feedback scheme, and determine a feedback resource for feeding back an ACK or NACK based on second parameters configured by a network side device or specific physical uplink control channel PUCCH configuration information or a configuration information list of the terminal; When the terminal configures or activates multiple group wireless network temporary identifiers, it determines that the feedback method for feedbacking a response is the first feedback method, and determines the feedback resource for feedbacking an ACK or NACK based on the second parameter configured by the network side device or the specific PUCCH configuration information or configuration information list of the terminal.

[0036] Alternatively, Y may be smaller than X, but Y may also be equal to or larger than X. For example, X=15, Y=4, or X=32, Y=2, etc.

[0037] Alternatively, the values ​​of X, Y may be specified by the protocol or predefined or configured by higher layer parameters. When a G-RNTI is configured or activated (or when a G-RNTI / G-CS-RNTI is configured, or when a G-RNTI with a corresponding feedback mode of NACK only is configured, or when a G-RNTI / G-CS-RNTI with a corresponding feedback mode of NACK only is configured), if the number of TBs and / or PDSCHs is less than or equal to Y, the UE defines up to X orthogonal PUCCH resources to correspond to TBs and / or PDSCHs that respectively schedule up to Y NACK-only feedbacks; when the number of TBs and / or PDSCHs is greater than Y, the NACK-only feedback mode is converted to an ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines a resource set in which the PUCCH is located based on the number of ACK / NACK bits, and determines the PRI and / or CCE in the closest downlink control information (last DCI) within the set. The feedback resource for feeding back an ACK or NACK is determined based on the index indication.

[0038] Alternatively, the network side equipment can ensure that no more than Y TBs and / or PDSCHs occur, and thus does not need to support scenarios where the number of TBs and / or PDSCHs is greater than Y.

[0039] Otherwise, if the UE has multiple G-RNTIs configured or activated (or one G-RNTI / G-CS-RNTI configured, or multiple G-RNTIs with corresponding feedback modes of NACK only configured, or one G-RNTI / G-CS-RNTI with corresponding feedback mode of NACK only configured), the NACK only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines the resource set in which the PUCCH is located based on the number of bits of the ACK / NACK, and within the set, determines the feedback resource for feeding back the ACK or NACK based on the PRI and / or CCE index indication in the last DCI.

[0040] Here, the group radio network temporary identifier includes the G-RNTI, or includes the G-RNTI and the G-CS-RNTI.

[0041] In some embodiments, the first information includes a number of downlink transmissions and the first parameter configured by a network side device, and determining a feedback scheme and / or feedback resource for the terminal to feed back a response based on the first information includes: When the network side device configures the first parameters, if the number of downlink transmissions is less than or equal to Y, determine that the feedback scheme for feeding back a response is the second feedback scheme, and feed back HARQ information of up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1, if the number of downlink transmissions is greater than Y, determine that the feedback scheme for feeding back a response is the first feedback scheme, and determine feedback resources for feeding back ACK or NACK according to the second parameters configured by the network side device or specific PUCCH configuration information or configuration information list of a terminal; If the first parameter is not configured in the network side device, determining that the feedback method for feeding back a response is the first feedback method, and determining a feedback resource for feeding back an ACK or NACK based on the second parameter configured by the network side device or specific PUCCH configuration information or configuration information list of the terminal.

[0042] Alternatively, Y may be smaller than X, but Y may also be equal to or larger than X. For example, X=15, Y=4, or X=32, Y=2, etc.

[0043] Alternatively, the values ​​of X and Y may be specified by a protocol, predefined, or configured by a higher layer parameter. When the network side device configures a first parameter (the first parameter is configured by the higher layer parameter), if the number of TBs and / or PDSCHs is less than or equal to Y, up to X orthogonal PUCCH resources are defined to correspond to TBs and / or PDSCHs that respectively schedule up to Y NACK-only feedbacks; or if the number of TBs and / or PDSCHs is greater than Y, the NACK-only feedback mode is converted to an ACK / NACK mode, and the UE performs feedback according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines a resource set in which the PUCCH is located according to the number of ACK / NACK bits, and determines a feedback resource within the set to feed back ACK or NACK according to the PRI and / or CCE index indication in the last DCI.

[0044] Alternatively, the network side equipment can ensure that no more than Y TBs and / or PDSCHs occur, and thus does not need to support scenarios where the number of TBs and / or PDSCHs is greater than Y.

[0045] If the network side device does not configure the first parameter (the upper layer parameter does not configure the first parameter), the NACK only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines the resource set in which the PUCCH is located based on the number of bits of the ACK / NACK, and determines the feedback resource for feeding back the ACK or NACK within the set based on the PRI and / or CCE index indication in the last DCI.

[0046] In another embodiment, it may further be as follows.

[0047] When the network side device does not configure the first parameter (when the upper layer parameter does not configure the first parameter), if the number of TBs and / or PDSCHs is less than or equal to Y, up to X orthogonal PUCCH resources are defined to correspond to up to Y TBs and / or PDSCHs for scheduling NACK-only feedback, respectively; or when the number of TBs and / or PDSCHs is greater than Y, the NACK-only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines the resource set in which the PUCCH is located based on the number of ACK / NACK bits, and determines the feedback resource for feeding back ACK or NACK within the set based on the PRI and / or CCE index indication in the last DCI.

[0048] Alternatively, the network side equipment can ensure that no more than Y TBs and / or PDSCHs occur, and thus does not need to support scenarios where the number of TBs and / or PDSCHs is greater than Y.

[0049] When the network side device configures a first parameter (the first parameter is configured by a higher layer parameter), the NACK only feedback mode is converted to an ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines a resource set in which the PUCCH is located based on the number of bits of the ACK / NACK, and determines a feedback resource for feeding back the ACK or NACK within the set based on the PRI and / or CCE index indication in the last DCI. In some embodiments, the first information includes the number of downlink transmissions and the number of group radio network temporary identifiers; When multiple downlink transmissions correspond to multiple group wireless network temporary identifiers, assign different numbers to at least one downlink transmission corresponding to the same group wireless network temporary identifier, and at least one downlink transmission with the same number constitutes one downlink transmission group, and the downlink transmissions of the same group correspond to one feedback response, and feed back a NACK when decoding of at least one downlink transmission in one group fails; If the number of downlink transmission groups is less than or equal to Y, determine that a feedback scheme for feedbacking a response is the second feedback scheme, and feed back HARQ information of up to Y groups of downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1; If the number of downlink transmission groups is greater than Y, determine that the feedback method for feedbacking the response is the first feedback method, and determine the feedback resource for feedbacking the ACK or NACK based on the second parameter configured by the network side device or the specific PUCCH configuration information or configuration information list of the terminal.

[0050] Alternatively, Y may be smaller than X, but Y may also be equal to or larger than X. For example, X=15, Y=4, or X=32, Y=2, etc.

[0051] Alternatively, the values ​​of X and Y may be specified by a protocol, or predefined, or configured by a higher layer parameter, where the group radio network temporary identifier includes the G-RNTI, or includes the G-RNTI and the G-CS-RNTI.

[0052] If downlink transmissions are numbered from 0, and the downlink transmission numbers are 0, 1, 2, . . . , n, the number of downlink transmission groups is n+1, ie the maximum number plus one.

[0053] When multiple TBs and / or PDSCHs correspond to multiple G-RNTIs, the multiple TBs and / or PDSCHs of the same G-RNTI are numbered, for example, 0, 1, 2, 3, 4, ..., and the NACKs only of the TBs and / or PDSCHs corresponding to different G-RNTIs with the same number are bound or compressed into one NACK only, for example, a NACK is fed back only if all of the multiple TBs and / or PDSCHs fail to be decoded, or a NACK is fed back if one of them fails to be decoded. If the number of TBs and / or PDSCHs after binding / compression is less than or equal to Y, up to X orthogonal PUCCH resources are defined to correspond to TBs and / or PDSCHs that schedule up to Y NACK-only feedbacks, respectively. If the number of TBs and / or PDSCHs after binding / compression is greater than Y, the NACK-only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines the resource set in which the PUCCH is located based on the number of ACK / NACK bits, and within the set, determines the feedback resource for feeding back ACK or NACK based on the PRI and / or CCE index indication in the last DCI.

[0054] Optionally, when determining the feedback resource or feedback mode, the binding or compression operation may not be performed.

[0055] In some embodiments, the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; When scheduling, the network side device schedules the feedback of TB and / or PDSCH corresponding to different group radio network temporary identifiers to be fed back in different time units, and in one time unit, the terminal device only expects to be scheduled to feed back NACK-only information of TB and / or PDSCH of one group radio network temporary identifier. The method of feeding back multiple TB and / or PDSCH for one group radio network temporary identifier is as follows: If the number of TBs and / or PDSCHs is less than or equal to Y, up to X orthogonal PUCCH resources are defined to correspond to TBs and / or PDSCHs that respectively schedule up to Y NACK-only feedbacks; or if the number of TBs and / or PDSCHs is greater than Y, the NACK-only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines the resource set in which the PUCCH is located based on the number of ACK / NACK bits, and within the set, determines the feedback resource for feeding back ACK or NACK based on the PRI and / or CCE index indication in the last DCI.

[0056] Alternatively, the network side equipment can ensure that no more than Y TBs and / or PDSCHs occur, and thus does not need to support scenarios where the number of TBs and / or PDSCHs is greater than Y.

[0057] Here, the group radio network temporary identifier includes the G-RNTI, or includes the G-RNTI and the G-CS-RNTI.

[0058] In some embodiments, the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; When a group radio network temporary identifier is configured or activated, the terminal device defines up to X orthogonal PUCCH resources to correspond to TBs and / or PDSCHs that schedule up to Y NACK-only feedbacks, respectively, if the number of TBs and / or PDSCHs is less than or equal to Y; or if the number of TBs and / or PDSCHs is greater than Y, the NACK-only feedback mode is converted to an ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines a resource set in which the PUCCH is located based on the number of ACK / NACK bits, and determines a feedback resource within the set to feed back ACK or NACK based on the PRI and / or CCE index indication in the last DCI.

[0059] Alternatively, the network side equipment can ensure that no more than Y TBs and / or PDSCHs occur, and thus does not need to support scenarios where the number of TBs and / or PDSCHs is greater than Y.

[0060] When one group radio network temporary identifier is configured or activated, the terminal device expects that the base station will schedule downlink TBs and / or PDSCHs and schedule different TBs and / or PDSCHs in different time units, i.e., the terminal device will not expect to be scheduled to feedback multiple TBs and / or PDSCHs in one time unit.

[0061] Here, the group radio network temporary identifier includes the G-RNTI, or includes the G-RNTI and the G-CS-RNTI.

[0062] In one specific example, as shown in Figure 3, assume that PDSCH1 and PDSCH2 correspond to G-RNTI1, and PDSCH3 corresponds to G-RNTI2, and all three PDSCHs are scheduled to feedback HARQ information in slot n, and their corresponding feedback modes are NACK-only mode. PDSCH1 and PDSCH2 are assigned numbers 0 and 1, respectively, and PDSCH3 is assigned number 0. PDSCH2 is divided into one group, and PDSCH1 and PDSCH3 are divided into the same group for binding operation. If either PDSCH1 or PDSCH3 fails to decode, a NACK is fed back, or if both fail to decode, a NACK is fed back. The number of packets is two, and two corresponding NACK-only feedbacks are required, namely PDSCH1 / 3 and PDSCH2.

[0063] If the value of Y is 2 (or greater than 2), the number of packets is equal to 2, so it is determined that the feedback scheme for feedbacking the response is the second feedback scheme, and a maximum of X orthogonal PUCCH resources are used to feed back HARQ information for a maximum of Y groups of downlink transmission, where X and Y are positive integers greater than 1.

[0064] In some embodiments, the first information includes a number N of downlink transmissions, where N is greater than 1, and determining a feedback scheme and / or feedback resource for the terminal to feedback a response based on the first information includes: determining that a feedback scheme for feeding back a response is the first feedback scheme; The method includes determining a feedback resource for feeding back an ACK or NACK based on a second parameter configured by a network side device or specific PUCCH configuration information or a configuration information list of the terminal.

[0065] That is, if the number of downlink transmissions is greater than 1, the NACK only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines the resource set in which the PUCCH is located based on the number of ACK / NACK bits, and determines the feedback resource for feeding back the ACK or NACK within the set based on the PRI and / or CCE index indication in the last DCI.

[0066] In some embodiments, the first information includes a number of downlink transmissions, and determining a feedback scheme and / or feedback resource for the terminal to feed back a response based on the first information includes: If the number of downlink transmissions is less than or equal to Y, determine that a feedback scheme for feedbacking a response is the second feedback scheme, and feed back HARQ information of up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1; If the number of downlink transmissions is greater than Y, determining that the feedback method for feeding back the response is the first feedback method, and determining a feedback resource for feeding back an ACK or NACK based on second parameters configured by the network side device or specific PUCCH configuration information or configuration information list of the terminal.

[0067] Alternatively, Y may be smaller than X, but Y may also be equal to or larger than X. For example, X=15, Y=4, or X=32, Y=2, etc.

[0068] Alternatively, the values ​​of X, Y may be specified by the protocol or predefined or configured by higher layer parameters.

[0069] If the number of TBs and / or PDSCHs is less than or equal to Y, up to X orthogonal PUCCH resources are defined to correspond to TBs and / or PDSCHs that schedule up to Y NACK-only feedbacks, respectively. If the number of TBs and / or PDSCHs is greater than Y, the NACK-only feedback mode is converted to ACK / NACK mode, and the UE feedbacks according to the ACK / NACK mode, and the corresponding PUCCH is determined in the PUCCH-config / PUCCH-configList corresponding to the ACK / NACK. A specific UE determines the resource set in which the PUCCH is located based on the number of ACK / NACK bits, and within the set, determines the feedback resource for feeding back ACK or NACK based on the PRI and / or CCE index indication in the last DCI.

[0070] In one specific example, when the number of TBs and / or PDSCHs is equal to or less than Y, up to X orthogonal PUCCH resources are defined to correspond to up to Y TBs and / or PDSCHs that schedule NACK-only feedback, respectively.

[0071] For example, X=15 and Y=4, ie, up to 15 orthogonal PUCCH resources are defined to correspond to TB and / or PDSCH scheduling up to 4 NACK-only feedbacks, respectively.

[0072] For a maximum of four TBs, the TB combination has four cases, such as one TB, two TBs, three TBs, or four TBs. Suppose that 1 indicates that the corresponding TB has scheduling and needs to feedback NACK, and 0 indicates that there is no scheduling or that NACK does not need to be fed back, i.e. There are four cases for one TB, for example (1,0,0,0), (0,1,0,0), (0,0,1,0), and (0,0,0,1), where (1,0,0,0) indicates that the first TB has scheduling and needs to feed back a NACK, (0,1,0,0) indicates that the second TB has scheduling and needs to feed back a NACK, (0,0,1,0) indicates that the third TB has scheduling and needs to feed back a NACK, and (0,0,0,1) indicates that the fourth TB has scheduling and needs to feed back a NACK.

[0073] There are six cases for the two TBs, for example (1,1,0,0), (1,0,1,0), (1,0,0,1), (0,1,1,0), (0,1,0,1), (0,0,1,1), where (1,1,0,0) indicates that there is scheduling on the first and second TBs and that NACK needs to be fed back, (1,0,1,0) indicates that there is scheduling on the first and third TBs and that NACK needs to be fed back, and so on.

[0074] There are four cases for three TBs, for example (1,1,1,0), (1,1,0,1), (1,0,1,1), (0,1,1,1), where (1,1,1,0) indicates that the first, second and third TBs are scheduled and NACKs need to be fed back, (1,1,0,1) indicates that the first, second and fourth TBs are scheduled and NACKs need to be fed back, (1,0,1,1) indicates that the first, third and fourth TBs are scheduled and NACKs need to be fed back, and (0,1,1,1) indicates that the second, third and fourth TBs are scheduled and NACKs need to be fed back.

[0075] There is one case for the four TBs, for example (1,1,1,1), which indicates that the first to fourth TBs have scheduling and need to feed back NACK.

[0076] Fifteen orthogonal PUCCH resources (each PUCCH resource is in format 0 / 1) may be defined, corresponding to the above 15 combinations, respectively. For example, if the UE needs to feed back NACK for only the first TB, i.e., (1,0,0,0), the first PUCCH resource will be used; if the UE needs to feed back NACK for four TBs, i.e., (1,1,1,1), the 15th PUCCH resource will be used; there is a one-to-one mapping between the above combinations and PUCCH resources, and the mapping relationship may be pre-defined or configured by higher layer parameters.

[0077] The response feedback method according to the embodiment of the present application may be performed by a response feedback device. In the embodiment of the present application, the response feedback device according to the embodiment of the present application will be described by taking the response feedback method as an example.

[0078] The embodiment of the present application provides a response feedback device, which is applied to a terminal 200, as shown in FIG. The method includes: a processing module 201 for determining a feedback scheme and / or a feedback resource for feedbacking a response according to the first information when the terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback method and / or a feedback resource selection method for feedbacking a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is that the terminal feeds back an acknowledgement (ACK) when the terminal successfully decodes the physical downlink shared channel and / or the physical downlink control channel, and the terminal feeds back a negative acknowledgement (NACK) when the terminal does not successfully decode the physical downlink shared channel and / or the physical downlink control channel; The second feedback manner is that the terminal only feeds back a negative acknowledgement if it fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel.

[0079] In some embodiments, the first parameter is: The terminal, when one group radio network temporary identifier is configured or activated, feeds back HARQ information of multiple downlink transmissions by adopting the second feedback manner in one time unit; When a plurality of group radio network temporary identifiers are configured or activated, the terminal employs the first feedback manner to feed back HARQ information of at most one downlink transmission in one time unit; feeding back HARQ information for a plurality of downlink transmissions by adopting the first feedback scheme in one time unit; and feeding back HARQ information for a plurality of downlink transmissions using the second feedback method in one time unit.

[0080] In some embodiments, the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; Specifically, the processing module 201 determines, when the terminal configures or activates a group wireless network temporary identifier, if the number of downlink transmissions is less than or equal to Y, that the feedback scheme for feedbacking a response is the second feedback scheme, and determines that the feedback scheme for feedbacking a response is the first feedback scheme; When the terminal configures or activates multiple group wireless network temporary identifiers, the feedback method for feeding back a response is used to determine that the first feedback method is the first feedback method.

[0081] In some embodiments, the first information includes a number of downlink transmissions and the first parameter configured by a network side device; Specifically, when the network side device configures the first parameter, the processing module 201 determines that the feedback method for feedbacking a response is the second feedback method if the number of downlink transmissions is less than or equal to Y, and determines that the feedback method for feedbacking a response is the first feedback method if the number of downlink transmissions is greater than Y; If the first parameter is not configured in the network side device, the feedback method for feeding back a response is used to determine that the first feedback method is the first feedback method.

[0082] In some embodiments, the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; Specifically, the processing module 201 assigns different numbers to at least one downlink transmission corresponding to the same group wireless network temporary identifier when multiple downlink transmissions correspond to multiple group wireless network temporary identifiers, and the at least one downlink transmission with the same number constitutes one downlink transmission group, and the downlink transmissions of the same group correspond to one feedback response. When decoding of at least one downlink transmission in one group of downlink transmissions fails, feedback a NACK; If the number of downlink transmission groups is less than or equal to Y, determining that a feedback scheme for feeding back a response is the second feedback scheme; If the number of downlink transmission groups is greater than Y, the feedback scheme for feeding back a response is used to determine that the first feedback scheme is the first feedback scheme.

[0083] In some embodiments, the first information comprises a number N of downlink transmissions, N being greater than 1; The processing module 201 is used to determine that the feedback method for specifically feeding back a response is the first feedback method, and to determine the feedback resource for feeding back an ACK or NACK based on the second parameter configured by the network side device or the specific PUCCH configuration information or configuration information list of the terminal.

[0084] In some embodiments, the first information includes a number of downlink transmissions; Specifically, the processing module 201 determines that the feedback scheme for feedbacking a response is the second feedback scheme when the number of downlink transmissions is less than or equal to Y, and uses up to X orthogonal PUCCH resources to feed back HARQ information of up to Y downlink transmissions, where X and Y are positive integers greater than 1; If the number of downlink transmissions is greater than Y, determine that the feedback method for feedbacking the response is the first feedback method, and use it to determine the feedback resource for feedbacking the ACK or NACK based on the second parameter configured by the network side device or the specific PUCCH configuration information or configuration information list of the terminal.

[0085] In some embodiments, the processing module 201 specifically determines that the feedback scheme for feedbacking the response is the second feedback scheme, which is used to feedback HARQ information of up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1.

[0086] In some embodiments, the processing module 201 is used to determine a feedback resource for feeding back an ACK or NACK based on a second parameter configured by a network side device or specific PUCCH configuration information or a configuration information list of the terminal after determining that the feedback method for specifically feeding back a response is the first feedback method.

[0087] In some embodiments, the processing module 201 is specifically used to determine the resource set in which the PUCCH is located based on the number of bits of the ACK or NACK, and to determine the feedback resource based on the PUCCH resource indication PRI and / or control channel element CCE index in the closest downlink control information within the resource set.

[0088] In some embodiments, the downlink transmission comprises a physical downlink shared channel and / or a transport block.

[0089] In some embodiments, the time units include slots and sub-slots.

[0090] The response feedback device in the embodiments of the present application may be an electronic device, for example, an electronic device having an operating system, or may be a component of the electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal or other device other than a terminal. Exemplarily, the terminal may include, but is not limited to, the types of terminals 11 listed above. The other device may be a server, a network-attached storage (NAS), etc., and the embodiments of the present application are not specifically limited thereto.

[0091] The response feedback device according to the embodiment of the present application can realize each process realized by the method embodiment of Figures 2 to 3 and achieve the same technical effects, and will not be further described here to avoid repetition of description.

[0092] Optionally, as shown in Figure 5, an embodiment of the present application further provides a communication device 600, which includes a processor 601 and a memory 602, and the memory 602 stores a program or instruction that can be executed on the processor 601. For example, if the communication device 600 is a terminal, when the program or instruction is executed by the processor 601, it can realize each step of the embodiment of the response feedback method and achieve the same technical effect. In order to avoid repetition, no further description will be given here.

[0093] An embodiment of the present application further provides a terminal, which includes a processor and a memory, wherein the memory stores a program or instruction executable on the processor, and when the program or instruction is executed by the processor, it realizes the steps of the above-mentioned response feedback method.

[0094] An embodiment of the present application further provides a terminal, including a processor and a communication interface, wherein the processor is configured to, when the terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, determine a feedback scheme and / or feedback resource for feedbacking a response based on the first information, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback method and / or a feedback resource selection method for feedbacking a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is that the terminal feeds back an acknowledgement (ACK) when the terminal successfully decodes the physical downlink shared channel and / or the physical downlink control channel, and the terminal feeds back a negative acknowledgement (NACK) when the terminal does not successfully decode the physical downlink shared channel and / or the physical downlink control channel; The second feedback manner is that the terminal only feeds back a negative acknowledgement if it fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel.

[0095] The embodiments of the present application further provide a terminal, which includes a processor and a communication interface, and this terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and the implementation processes and realization methods of the above-mentioned method embodiments can be applied to this terminal embodiment, and the same technical effects can be achieved. Specifically, Figure 6 is a schematic diagram of the hardware structure of the terminal of the embodiments of the present application.

[0096] The terminal 700 includes at least some components such as, but not limited to, a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709 and a processor 710.

[0097] As will be understood by those skilled in the art, the terminal 700 may further include a power source (e.g., a battery) for powering each component, and the power source may be logically connected to the processor 710 by a power management system, thereby realizing functions such as charge / discharge management and power consumption management by the power management system. The terminal structure shown in Figure 6 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than those shown, or a combination of some components, or a different arrangement of components, which will not be further described here.

[0098] It should be understood that in the embodiment of the present application, the input unit 704 may include a graphics processing unit (GPU) 7041 and a microphone 7042, and the graphics processor 7041 processes image data of still or video images captured by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. The display unit 706 may include a display panel 7061, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like. The user input unit 707 includes at least one of a touch panel 7071 and other input devices 7072. The touch panel 7071 is also called a touch screen. The touch panel 7071 may include two parts: a touch detection device and a touch controller. The other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control buttons, switch buttons, etc.), a trackball, a mouse, and a control lever, which will not be further described herein.

[0099] In the embodiment of the present application, the radio frequency unit 701 can receive downlink data from the network side device and then transmit the data to the processor 710 for processing, and can also transmit uplink data to the network side device. Generally, the radio frequency unit 701 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, etc.

[0100] The memory 709 may be used to store software programs or instructions and various data. The memory 709 may include a first storage area that mainly stores programs or instructions and a second storage area that stores data. Here, the first storage area may store an operating system, an application program or instructions necessary for at least one function (e.g., audio playback function, image playback function, etc.), etc. The memory 709 may include volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. Here, the nonvolatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory may be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus random access memory (DRRAM). Memory 709 in embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.

[0101] The processor 710 may include one or more processing units, and optionally, the processor 710 may integrate an application processor and a modem processor, where the application processor mainly processes operations related to the operating system, user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. As can be appreciated, the modem processor does not have to be integrated into the processor 710.

[0102] In some embodiments, the processor 710 is configured to determine, when the terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, a feedback scheme and / or a feedback resource for feeding back a response based on the first information, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback method and / or a feedback resource selection method for feedbacking a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is that the terminal feeds back an acknowledgement (ACK) when the terminal successfully decodes the physical downlink shared channel and / or the physical downlink control channel, and the terminal feeds back a negative acknowledgement (NACK) when the terminal does not successfully decode the physical downlink shared channel and / or the physical downlink control channel; The second feedback manner is that the terminal only feeds back a negative acknowledgement if it fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel.

[0103] In some embodiments, the first parameter is: The terminal, when one group radio network temporary identifier is configured or activated, feeds back HARQ information of multiple downlink transmissions by adopting the second feedback manner in one time unit; When a plurality of group radio network temporary identifiers are configured or activated, the terminal employs the first feedback manner to feed back HARQ information of at most one downlink transmission in one time unit; feeding back HARQ information for a plurality of downlink transmissions by adopting the first feedback scheme in one time unit; and feeding back HARQ information for a plurality of downlink transmissions using the second feedback method in one time unit.

[0104] In some embodiments, the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; Specifically, when the terminal configures or activates one group radio network temporary identifier, if the number of downlink transmissions is less than or equal to Y, the processor 710 determines that the feedback scheme for feedbacking a response is the second feedback scheme, and determines that the feedback scheme for feedbacking a response is the first feedback scheme; When the terminal configures or activates multiple group wireless network temporary identifiers, the feedback method for feeding back a response is used to determine that the first feedback method is the first feedback method.

[0105] In some embodiments, the first information includes a number of downlink transmissions and the first parameter configured by a network side device; Specifically, when the network side device configures the first parameter, the processor 710 determines that the feedback scheme for feeding back a response is the second feedback scheme if the number of downlink transmissions is less than or equal to Y, and determines that the feedback scheme for feeding back a response is the first feedback scheme if the number of downlink transmissions is greater than Y; If the first parameter is not configured in the network side device, the feedback method for feeding back a response is used to determine that the first feedback method is the first feedback method.

[0106] In some embodiments, the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; Specifically, when multiple downlink transmissions correspond to multiple group wireless network temporary identifiers, the processor 710 assigns different numbers to at least one downlink transmission corresponding to the same group wireless network temporary identifier, and at least one downlink transmission with the same number constitutes one downlink transmission group, and the downlink transmissions of the same group correspond to one feedback response. When decoding of at least one downlink transmission in one group of downlink transmissions fails, the processor 710 feeds back a NACK; If the number of downlink transmission groups is less than or equal to Y, determining that a feedback scheme for feeding back a response is the second feedback scheme; If the number of downlink transmission groups is greater than Y, the feedback scheme for feeding back a response is used to determine that the first feedback scheme is the first feedback scheme.

[0107] In some embodiments, the first information comprises a number N of downlink transmissions, N being greater than 1; The processor 710 is used to determine that the feedback method for specifically feeding back a response is the first feedback method, and to determine a feedback resource for feeding back an ACK or NACK based on the second parameter configured by the network side device or the specific PUCCH configuration information or configuration information list of the terminal.

[0108] In some embodiments, the first information includes a number of downlink transmissions; Specifically, when the number of downlink transmissions is equal to or less than Y, the processor 710 determines that the feedback scheme for feedbacking a response is the second feedback scheme, and feeds back HARQ information of up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1; If the number of downlink transmissions is greater than Y, determine that the feedback method for feedbacking the response is the first feedback method, and use it to determine the feedback resource for feedbacking the ACK or NACK based on the second parameter configured by the network side device or the specific PUCCH configuration information or configuration information list of the terminal.

[0109] In some embodiments, the processor 710 specifically determines that the feedback scheme for feedbacking the response is the second feedback scheme, which is used to feedback HARQ information for up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1.

[0110] In some embodiments, the processor 710 is used to determine a feedback resource for feeding back an ACK or NACK based on a second parameter configured by a network side device or specific PUCCH configuration information or a configuration information list of the terminal after determining that the feedback method for specifically feeding back a response is the first feedback method.

[0111] In some embodiments, the processor 710 is specifically used to determine the resource set in which the PUCCH is located based on the number of ACK or NACK bits, and to determine the feedback resource based on the PUCCH resource indication PRI and / or control channel element CCE index in the closest downlink control information within the resource set.

[0112] In some embodiments, the downlink transmission comprises a physical downlink shared channel and / or a transport block.

[0113] In some embodiments, the time units include slots and sub-slots.

[0114] The embodiments of the present application further provide a readable storage medium, which stores a program or instruction, and when the program or instruction is executed by a processor, it can realize each process of the above-mentioned response feedback method embodiment and achieve the same technical effect. In order to avoid repetition, no further description will be given here.

[0115] Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0116] The embodiments of the present application further provide a chip, the chip including a processor and a communication interface, the communication interface is coupled to the processor, the processor runs a program or instruction, and is used to realize each process of the above-mentioned response feedback method embodiment, and can achieve the same technical effect. In order to avoid repetition, no further description will be given here.

[0117] It should be understood that the chips referred to in the embodiments of this application may be referred to as system level chips, system chips, chip systems, or system-on-chips.

[0118] The embodiments of the present application further provide a computer program / program product, which is stored in a storage medium and can be executed by at least one processor to realize each process of the above-mentioned response feedback method embodiments and achieve the same technical effects. In order to avoid repetition, no further description will be given here.

[0119] It should be noted that, in this specification, the terms "comprises," "includes," or any other variations thereof are intended to cover the non-exclusive "comprises," whereby a process, method, article, or apparatus comprising a set of elements not only includes those elements, but also other elements not expressly listed or inherent in such process, method, article, or apparatus. Absent further limitations, an element defined by the phrase "comprises one of" does not preclude the presence of other identical elements in the process, method, article, or apparatus comprising that element. It should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may include performing functions in an essentially simultaneous manner or in the reverse order based on the functions involved; for example, a described method may be performed in a different order than described, and various steps may be added, omitted, or combined. Furthermore, features described with reference to some examples may be combined in other examples.

[0120] As will be apparent to those skilled in the art from the above description of the embodiments, the methods of the above embodiments can be realized in the form of software and a required general-purpose hardware platform. Of course, they can also be realized in hardware, but in many cases, the former is a more preferred embodiment. Based on this understanding, the technical solution of the present application, in substance or in part contributing to the prior art, may be embodied in the form of a computer software product. This computer software product is stored in a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes a number of instructions for causing a terminal (which may be a mobile phone, computer, server, air conditioner, network device, etc.) to execute the methods described in each embodiment of the present application.

[0121] Although the above describes the embodiments of the present application in conjunction with the drawings, the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not limiting. Those skilled in the art can implement many forms under the guidance of the present application without departing from the spirit and scope of protection of the claims, and all forms fall within the scope of protection of the present application.

Claims

1. 1. A response feedback method, comprising: The method includes: when a terminal is scheduled to feedback hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, the terminal determines a feedback scheme for feedbacking a response based on the first information, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback scheme for feeding back a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is such that the terminal feeds back an acknowledgement (ACK) when the physical downlink shared channel and / or the physical downlink control channel is successfully decoded, and the terminal feeds back a negative acknowledgement (NACK) when the physical downlink shared channel and / or the physical downlink control channel is not successfully decoded; the second feedback manner is that the terminal only feeds back a negative acknowledgement when the terminal fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel; The first parameter is feeding back HARQ information of a plurality of downlink transmissions by adopting the first feedback scheme in one time unit; and feeding back HARQ information for a plurality of downlink transmissions by adopting the second feedback scheme in one time unit.

2. The first information includes a number of downlink transmissions and a number of group radio network temporary identifiers, and determining a feedback manner for the terminal to feedback a response based on the first information includes: When the terminal configures or activates a group radio network temporary identifier, if the number of downlink transmissions is less than or equal to Y, determining that a feedback scheme for feeding back a response is the second feedback scheme; When the terminal configures or activates a plurality of group wireless network temporary identifiers, determining that a feedback scheme for feedbacking a response is the first feedback scheme; 2. The response feedback method of claim 1, wherein Y is a positive integer greater than 1.

3. The first information includes a number of downlink transmissions and the first parameter configured by a network side device, and determining a feedback scheme for the terminal to feedback a response based on the first information includes: When the network side device configures the first parameter, if the number of downlink transmissions is less than or equal to Y, determine that a feedback scheme for feeding back a response is the second feedback scheme; When the first parameter is not configured in the network side device, determining that a feedback method for feeding back a response is the first feedback method; 2. The response feedback method of claim 1, wherein Y is a positive integer greater than 1.

4. the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; When multiple downlink transmissions correspond to multiple group wireless network temporary identifiers, assign different numbers to at least one downlink transmission corresponding to the same group wireless network temporary identifier, and at least one downlink transmission with the same number constitute one downlink transmission group, and the downlink transmissions of the same group correspond to one feedback response, and feed back a NACK when decoding of at least one downlink transmission in one group fails; If the number of downlink transmission groups is less than or equal to Y, determining that a feedback scheme for feeding back a response is the second feedback scheme; If the number of downlink transmission groups is greater than Y, determine that a feedback scheme for feeding back a response is the first feedback scheme; 2. The response feedback method of claim 1, wherein Y is a positive integer greater than 1.

5. determining that the feedback manner for feeding back a response is the second feedback manner, The response feedback method according to any one of claims 2 to 4, comprising: feeding back HARQ information of up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1.

6. The response feedback method of claim 5, wherein X=15 and Y=4.

7. After determining that the feedback manner for feedbacking the response is the first feedback manner, the response feedback method includes: The terminal further includes determining a feedback resource for feeding back an ACK or a NACK based on specific PUCCH configuration information or a configuration information list of the terminal; Determining a feedback resource for feeding back an ACK or a NACK based on specific PUCCH configuration information or a configuration information list of a terminal includes: Determine a resource set in which the PUCCH is located based on the number of bits of the ACK or NACK; The response feedback method according to any one of claims 2 to 4, comprising determining the feedback resource based on a PUCCH resource indication PRI and / or a control channel element CCE index in the latest downlink control information within the resource set.

8. Determining a feedback resource for feeding back an ACK or a NACK based on specific PUCCH configuration information or a configuration information list of a terminal, The response feedback method according to claim 7, further comprising: the terminal determining a PUCCH for feeding back an ACK or NACK in a PUCCH-config or PUCCH-configList corresponding to the ACK / NACK.

9. the downlink transmission includes a physical downlink shared channel and / or a transport block; The response feedback method of claim 1 , wherein the time units include slots and sub-slots.

10. The response feedback method of claim 2, wherein the group radio network temporary identifier includes a G-RNTI, or includes a G-RNTI and a G-CS-RNTI.

11. 1. A response feedback device, comprising: a processing module for determining a feedback scheme for feeding back a response based on the first information when the terminal is scheduled to feed back hybrid automatic repeat request (HARQ) information for N downlink transmissions in one time unit, where N is a positive integer; wherein the first information includes at least one of the number N of downlink transmissions, the number of group wireless network temporary identifiers, and whether the network side device configures a first parameter; the first parameter is used to indicate a feedback scheme for feeding back a response; The feedback schemes include a first feedback scheme and a second feedback scheme, in which the first feedback scheme is such that the terminal feeds back an acknowledgement (ACK) when the physical downlink shared channel and / or the physical downlink control channel is successfully decoded, and the terminal feeds back a negative acknowledgement (NACK) when the physical downlink shared channel and / or the physical downlink control channel is not successfully decoded; the second feedback manner is that the terminal only feeds back a negative acknowledgement when the terminal fails to successfully decode the physical downlink shared channel and / or the physical downlink control channel; The first parameter is feeding back HARQ information of a plurality of downlink transmissions by adopting the first feedback scheme in one time unit; and feeding back HARQ information of a plurality of downlink transmissions by adopting the second feedback scheme in one time unit.

12. the first information includes a number of downlink transmissions and a number of group radio network temporary identifiers; The processing module determines, when the terminal configures or activates one group wireless network temporary identifier, if the number of the downlink transmissions is equal to or less than Y, as a feedback scheme for feeding back a response, to be the second feedback scheme; When the terminal configures or activates multiple group wireless network temporary identifiers, a feedback manner for feedbacking a response is determined to be the first feedback manner; 12. The response feedback device of claim 11, wherein Y is a positive integer greater than 1.

13. the first information includes a number of downlink transmissions and the first parameter configured by a network side device; The processing module, when the network side device configures the first parameter, determines that a feedback scheme for feeding back a response is the second feedback scheme if the number of downlink transmissions is less than or equal to Y; When the first parameter is not configured in the network side device, a feedback method for feeding back a response is used to determine that the first feedback method is used; 12. The response feedback device of claim 11, wherein Y is a positive integer greater than 1.

14. 14. The response feedback device according to claim 12 or 13, wherein the processing module determines that a feedback scheme for feedbacking a response is the second feedback scheme, which is used to feedback HARQ information of up to Y downlink transmissions using up to X orthogonal PUCCH resources, where X and Y are positive integers greater than 1.

15. The response feedback device of claim 14, wherein X=15 and Y=4.

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