CN113473610A

CN113473610A - Feedback method and device

Info

Publication number: CN113473610A
Application number: CN202010247407.XA
Authority: CN
Inventors: 陈晓航; 鲁智; 曾超君
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-10-01
Anticipated expiration: 2040-03-31
Also published as: CN113473610B; WO2021197236A1

Abstract

The embodiment of the invention discloses a feedback method and equipment, relates to the technical field of communication, and can solve the problem that UE (user equipment) cannot feed back HARQ-ACK (hybrid automatic repeat request-acknowledgement) information of DCI (downlink control information). The method comprises the following steps: feeding back an automatic repeat request feedback HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises feedback information of downlink control information DCI, and the position of the feedback information in the HARQ-ACK codebook is any one of the following items: the method comprises the steps of predefining a position, a position configured by network equipment, a position corresponding to a process number, and a first reserved position determined from the reserved positions of the HARQ-ACK codebook; wherein, the process number is determined according to the time domain information corresponding to the DCI or configured for the network device; the DCI indicates release of a semi-persistent scheduling, SPS, configuration. The embodiment of the invention is applied to the process of feeding back the HARQ-ACK information by the UE.

Description

Feedback method and device

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a feedback method and equipment.

Background

When a User Equipment (UE) operates in an unlicensed spectrum (unlicensed spectrum), a network device may control, through Downlink Control Information (DCI), a release (or deactivation) of a downlink semi-persistent scheduling (SPS) configuration configured for the UE. And, the UE may transmit hybrid automatic repeat request (HARQ) feedback (Acknowledgement) information for the DCI on the uplink resource indicated by the DCI.

In the related art, the UE may configure a one-slot HARQ-ACK codebook feedback mechanism, and feed back HARQ-ACK information corresponding to all HARQ processes of all carriers through the one-slot HARQ-ACK codebook. The one-shot HARQ-ACK codebook may include a plurality of feedback positions, each feedback position corresponds to a process number, and each feedback position is used for transmitting HARQ-ACK information corresponding to one HARQ process. Specifically, when the UE feeds back the HARQ-ACK information corresponding to the downlink signal, the UE may determine, according to the HARQ process number corresponding to the downlink signal, a feedback position corresponding to the HARQ process number from the multiple feedback positions, and then feed back the HARQ-ACK information through the feedback position.

However, if the downlink signal received by the UE is the DCI for controlling the SPS configuration release (or deactivation), since the DCI cannot indicate the HARQ process number through the HARQ process indication field in the DCI, the UE cannot determine the feedback position for feeding back the HARQ-ACK information of the DCI in the one-shot HARQ-ACK codebook, and thus the UE cannot feed back the HARQ-ACK information of the DCI.

Disclosure of Invention

The embodiment of the invention provides a feedback method and equipment, which can solve the problem that UE (user equipment) cannot feed back HARQ-ACK (hybrid automatic repeat request-acknowledgement) information of DCI (downlink control information).

In order to achieve the purpose, the embodiment of the invention adopts the following technical scheme:

in a first aspect of the embodiments of the present invention, a feedback method is provided, which is applied to a UE, and the method includes: feeding back a HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises feedback information of DCI, and the position of the feedback information in the HARQ-ACK codebook is any one of the following items: the method comprises the steps of predefining a position, a position configured by network equipment, a position corresponding to a process number, and a first reserved position determined from the reserved positions of the HARQ-ACK codebook; wherein, the process number is determined according to the time domain information corresponding to the DCI or configured for the network device; the DCI indicates to release the SPS configuration.

In a second aspect of the embodiments of the present invention, there is provided a feedback apparatus, which may include: a feedback module; the feedback module is configured to feed back an HARQ-ACK codebook, where the HARQ-ACK codebook includes DCI feedback information, and a position of the feedback information in the HARQ-ACK codebook is any one of: a predefined location, a network configured location, a location corresponding to a process number, a first reserved location determined from the reserved locations of the HARQ-ACK codebook; wherein, the process number is determined according to the time domain information corresponding to the DCI or configured for the network device; the DCI indicates to release the SPS configuration.

In a third aspect of the embodiments of the present invention, a UE is provided, where the UE includes a processor, a memory, and a computer program stored in the memory and executable on the processor, and the computer program, when executed by the processor, implements the steps of the feedback method in the first aspect.

A fourth aspect of embodiments of the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the feedback method according to the first aspect.

In the embodiment of the invention, the UE can transmit the feedback information aiming at the DCI releasing the SPS configuration in the predefined position in the HARQ-ACK codebook, the position configured by the network equipment, the position corresponding to the process number or the first reserved position determined from the HARQ-ACK codebook, namely the UE can determine the position of the HARQ-ACK information aiming at the DCI in the HARQ-ACK codebook flexibly according to the plurality of modes, so that the UE can construct the HARQ-ACK codebook correctly when sending the feedback information to the network equipment, and the UE can feed back the HARQ-ACK information aiming at the DCI correctly based on the HARQ-ACK codebook.

Drawings

Fig. 1 is a schematic architecture diagram of a communication system according to an embodiment of the present invention;

fig. 2 is a flowchart of a feedback method according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating a method for determining a position of feedback information in a codebook according to an embodiment of the present invention;

fig. 4 is a second schematic diagram illustrating a method for determining a position of feedback information in a codebook according to an embodiment of the present invention;

fig. 5 is a third schematic diagram illustrating a method for determining a position of feedback information in a codebook according to an embodiment of the present invention;

fig. 6 is a fourth schematic diagram illustrating a method for determining a position of feedback information in a codebook according to an embodiment of the present invention;

fig. 7 is a fifth schematic diagram illustrating a method for determining a position of feedback information in a codebook according to an embodiment of the present invention;

fig. 8 is a sixth schematic diagram illustrating a method for determining a position of feedback information in a codebook according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a feedback apparatus according to an embodiment of the present invention;

fig. 10 is a hardware diagram of a UE according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first" and "second," and the like, in the description and in the claims of embodiments of the present invention are used for distinguishing between different objects and not for describing a particular order of the objects. For example, the first preset cell type and the second preset cell type, etc. are for distinguishing different preset cell types, and are not for describing a specific order of the preset cell types.

In the description of the embodiments of the present invention, the meaning of "a plurality" means two or more unless otherwise specified. For example, a plurality of elements refers to two elements or more.

The term "and/or" herein is an association relationship describing an associated object, and means that there may be three relationships, for example, a display panel and/or a backlight, which may mean: there are three cases of a display panel alone, a display panel and a backlight at the same time, and a backlight alone. The symbol "/" herein denotes a relationship in which the associated object is or, for example, input/output denotes input or output.

In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

The following explains some concepts and/or terms involved in the feedback method and apparatus provided by the embodiments of the present invention.

1. Traffic scenarios in New Radio (NR)

In the NR technique standardization process, three types of usage scenarios are mainly considered: enhanced mobile broadband (eMBB), massive machine type communications (mtc), and ultra-reliable low latency communications (URLLC). The performance requirements of the three types of use scenarios in terms of data rate, time delay, reliability, connection number, traffic density, mobility and the like have great differences. The eMBB scene focuses on data rate and traffic density, the mMTC scene focuses on connection number, and the URLLC scene focuses on time delay and reliability. These three types of usage scenarios are closely related to service attributes and bearer requirements, and may be referred to as service scenarios.

2. HARQ-ACK codebook

For an HARQ-ACK process supporting transport block level (TB-level), one TB may correspondingly feed back one HARQ-ACK bit. One TB may support a single downlink HARQ process of one UE, or may support multiple downlink HARQ processes of one UE. For an eMBB scenario and a URLLC scenario, an asynchronous downlink HARQ process and an adaptive downlink HARQ process can be supported. From the perspective of the UE, HARQ-ACKs for multiple Physical Downlink Control Channels (PDCCHs) may be transmitted in one uplink data/control region in time, and the UE may form one HARQ-ACK codebook in the uplink data/control region. Generally, the network device needs to indicate the minimum HARQ processing time of the UE, which represents the minimum time required by the UE from receiving downlink data to feeding back the corresponding HARQ-ACK. In general, the network device may specify, in the DCI, a timing between receiving a Physical Downlink Shared Channel (PDSCH) and feeding back an ACK/NACK corresponding to the PDSCH.

In the R15 protocol, the UE may support two types of HARQ-ACK codebooks, respectively: a semi-static HARQ-ACK codebook (semi-static HARQ-ACK codebook) and a dynamic HARQ-ACK codebook (dynamic HARQ-ACK codebook). For the semi-static HARQ-ACK codebook, the UE may determine all PDSCHs that may be fed back by a certain time slot according To parameters such as a detection opportunity (PDCCH monitoring access) of a PDCCH configured by Radio Resource Control (RRC), a time domain resource allocation (PDSCH-time domain resource allocation) of the PDSCH, a feedback timing (dl-Data To UL-ACK or PDSCH-To HARQ-timing) of the PDSCH To HARQ-ACK, and determine the HARQ-ACK codebook. The semi-static HARQ-ACK codebook may typically be large since it may contain PDSCH for actual scheduling and PDSCH for non-scheduling. For the dynamic HARQ-ACK codebook, the UE determines the HARQ-ACK codebook according to the actually scheduled PDSCH, and the size of the dynamic HARQ-ACK codebook is usually smaller than that of the semi-static HARQ-ACK codebook because only the actually scheduled PDSCH is fed back. Generally, which type of codebook the UE specifically uses may be determined by RRC configuration.

3. one-shot HARQ-ACK codebook

In the NR-U, in order to ensure that the UE and the network device understand the number of bits of the HARQ-ACK codebook completely consistently and that the UE can feed back HARQ-ACK information of all configured HARQ processes of the UE, a one-shot HARQ-ACK codebook feedback mechanism is introduced in the related art, and based on the feedback mechanism, the UE can feed back HARQ-ACK information for all possible codewords of all configured HARQ processes on all carriers currently configured for the UE. In order to ensure that the UE and the network device (e.g., eNB) have consistent understanding on the PDSCH transmission corresponding to the fed-back HARQ-ACK bit and avoid the problem of ambiguity of understanding caused by missing DCI, a New Data Indicator (NDI) of each codeword may be fed back in a one-shot HARQ-ACK codebook, and if a codeword of one HARQ process is not scheduled all the time, it may be defined that the NDI corresponding to the codeword is equal to 0. The network device may configure whether the one-shot HARQ-ACK codebook includes the NDI.

4. Downlink Assignment Index (DAI)

The DCI for a downlink grant (downlink grant) includes a DAI field, which may be used to indicate how many PDCCHs with PDSCH transmission or how many PDCCHs to indicate downlink SPS release are transmitted from each configured serving cell (serving cell) to a current subframe (which is located in a HARQ feedback window), and the value may be updated between subframes. When HARQ-ACK information needs to be transmitted on a PUSCH along with other Uplink Control Information (UCI), such as Channel State Information (CSI), and UL-SCH, the network device and the UE occupy how many physical resources for how many bits of HARQ-ACK information to be transmitted on the uplink, and the understanding of the two is kept consistent. How many bits of HARQ-ACK information to transmit may be determined implicitly by network equipment scheduling, or by the protocol according to some rules. The network device can receive the content of the UCI and/or uplink shared channel (UL-SCH) part in the PUSCH correctly accordingly. In order to achieve the above purpose, when the network device performs uplink scheduling PUSCH transmission, a Total DAI field is carried in DCI for uplink grant (uplink grant) and is used to notify the UE of the number of HARQ-ACK bits in the current transmission.

The embodiment of the invention provides a feedback method and equipment, wherein UE (user equipment) can transmit feedback information aiming at DCI (downlink control information) at a predefined position in an HARQ-ACK codebook, a position configured by network equipment, a position corresponding to a process number or a first reserved position determined from the HARQ-ACK codebook, namely the UE can determine the position of the HARQ-ACK information aiming at the DCI releasing SPS configuration in the HARQ-ACK codebook flexibly according to the various modes, so that the UE can construct the HARQ-ACK codebook correctly when sending the feedback information to the network equipment, and the UE can feed back the HARQ-ACK information aiming at the DCI correctly based on the HARQ-ACK codebook.

The feedback method and the feedback device provided by the embodiment of the invention can be applied to a communication system. The method and the device can be particularly applied to the process that the UE sends the feedback information to the network equipment based on the communication system.

The embodiment of the invention can be applied to various communication systems, such as a 5G communication system, a future evolution system or other communication systems. A variety of application scenarios may be included, such as machine-to-machine (M2M), D2M, enhanced mobile internet (eMBB), and ultra-high reliability and ultra-low latency communications (urrllc). The specific method can be determined according to actual use requirements, and the embodiment of the invention is not limited.

Fig. 1 illustrates an architecture diagram of a communication system according to an embodiment of the present invention. As shown in fig. 1, the communication system may include a UE 01 and a network device 02. Wherein, the UE 01 and the network device 02 can establish connection and communicate.

A UE is a device that provides voice and/or data connectivity to a user, a handheld device with wired/wireless connectivity, or other processing device connected to a wireless modem. A UE may communicate with one or more core network devices via a Radio Access Network (RAN). The UE may be a mobile terminal such as a mobile phone (or "cellular" phone) and a computer having a mobile terminal, or a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device that exchanges speech and/or data with the RAN, such as a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and so on. A UE may also be referred to as a User Agent (User Agent) or a terminal device, etc. As an example, in the embodiment of the present invention, fig. 1 illustrates that the UE is a mobile phone.

The network device may be a base station. A base station is a device deployed in a RAN for providing wireless communication functions for UEs. The base stations may include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems using different radio access technologies, the names of devices with base station functionality may differ, for example, in third generation mobile communication (3G) networks, referred to as base stations (NodeB); in a Long Term Evolution (LTE) system, referred to as an evolved NodeB (eNB) or eNodeB; in fifth generation mobile communication (5G) networks, referred to as a gNB, and so on. As communication technology evolves, the name "base station" may change.

In future communication systems, an unlicensed band (unlicensed band) may be used as a supplement to a licensed band (licensed band) to help an operator to expand the capacity of a service. In order to maintain compliance with NR deployment and maximize NR-based unlicensed access as much as possible, unlicensed bands may operate in the 5GHz, 37GHz and 60GHz bands. The large bandwidth of the unlicensed band (80MHz or 100MHz) can reduce the implementation complexity of the base station and the UE. When the UE operates in the unlicensed frequency band, and the UE configures at least one DL SPS configuration, the network device may release (or deactivate, release or deactivated) one or more DL SPS configurations that the UE has activated by sending the DCI. When the UE detects the DCI releasing the SPS, the UE feeds back corresponding HARQ-ACK information to the DCI releasing the SPS in a corresponding uplink resource (usually PUCCH, which is indicated by the SPS release DCI).

The execution subject of the feedback method provided in the embodiment of the present invention may be the UE described above, or may also be a functional module and/or a functional entity capable of implementing the feedback method in the UE, which may be specifically determined according to actual use requirements, and the embodiment of the present invention is not limited. The following takes UE as an example to exemplarily explain the feedback method provided in the embodiment of the present invention.

A feedback method and apparatus provided in an embodiment of the present invention are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof. The following method is described by taking an example of UE accessing one serving cell, and is also applicable to UE accessing a plurality of serving cells.

Based on the communication system shown in fig. 1, an embodiment of the present invention provides a feedback method applied to a UE, and as shown in fig. 2, the feedback method may include the following step 201.

Step 201, the UE feeds back a HARQ-ACK codebook, where the HARQ-ACK codebook includes DCI feedback information, and a position of the feedback information in the HARQ-ACK codebook is any one of the following items: a predefined location, a network device configured location, a location corresponding to a process number, a first reserved location determined from a reserved location of a HARQ-ACK codebook.

In an embodiment of the present invention, the DCI indicates to release the SPS configuration.

The DCI may be a DCI releasing SPS (i.e., SPS release DCI) sent by a network device to a UE, or may be other DCI related to semi-persistent scheduling, for example, DCI related to uplink or downlink semi-persistent scheduling or DCI related to uplink configuration authorization. Among them, the DCI releasing SPS may also be referred to as (deactivation) DCI deactivating SPS.

It should be noted that the DCI may indicate SPS configuration, may carry configuration information of the SPS configuration, and may also carry configuration information of the SPS configuration.

For example, the feedback information of the DCI may be HARQ-ACK information, and the HARQ-ACK information may be feedback information of the DCI for releasing SPS.

A first possible implementation:

the position of the feedback information in the HARQ-ACK codebook is a predefined position.

In the embodiment of the present invention, the predefined position may be a start position or an end position of the HARQ-ACK codebook.

Specifically, the UE may determine a starting position or an ending position of the HARQ-ACK codebook as a position in the HARQ-ACK codebook for the feedback information of the DCI.

It should be noted that, in the embodiment of the present invention, other positions in the codebook may also be predefined as positions of the feedback information for the DCI in the HARQ-ACK codebook.

A second possible implementation:

the position of the feedback information in the HARQ-ACK codebook is the position configured by the network equipment.

In the embodiment of the present invention, the location configured by the network device may be configured by the network device through RRC.

Specifically, the UE may determine the position of the DCI feedback information in the HARQ-ACK codebook according to the information carried in the RRC.

A third possible implementation:

and the position of the feedback information in the HARQ-ACK codebook is the position corresponding to the process number.

Wherein, the process number is determined according to the time domain information corresponding to the DCI or configured for the network device.

It should be noted that, in the HARQ-ACK codebook according to the embodiment of the present invention, one process number may correspond to a position of one HARQ-ACK information in the codebook.

Specifically, the UE may determine, according to the process number, that a position in the HARQ-ACK codebook corresponding to the process number is a position of the feedback information in the HARQ-ACK codebook.

For example, the process number in the embodiment of the present invention may be a process number of an HARQ process.

A fourth possible implementation:

the position of the feedback information in the HARQ-ACK codebook is a first reserved position determined from the reserved positions of the HARQ-ACK codebook.

It should be noted that, in the embodiment of the present invention, the HARQ-ACK codebook includes the position of the feedback information corresponding to each HARQ process, and may further include a reserved position.

Optionally, when the HARQ-ACK codebook includes a reserved location, the UE may feed back the location of the feedback information for the DCI from the reserved location, or may determine the location of the feedback information for the DCI from the locations of the feedback information corresponding to each HARQ process.

Optionally, in this embodiment of the present invention, the first reserved location may be configured for the network device.

Specifically, the first reserved location may be configured for the network device to the UE through RRC.

For example, in the embodiment of the present invention, the HARQ-ACK codebook may be a one-shot HARQ-ACK codebook.

According to the feedback method provided by the embodiment of the invention, the UE can transmit the feedback information aiming at the DCI at the predefined position in the HARQ-ACK codebook, the position configured by the network equipment, the position corresponding to the process number or the first reserved position determined from the HARQ-ACK codebook, namely the UE can determine the position of the HARQ-ACK information aiming at the DCI releasing the SPS configuration in the HARQ-ACK codebook flexibly according to the plurality of modes, so that the UE can construct the HARQ-ACK codebook correctly when sending the feedback information to the network equipment, and the UE can feed back the HARQ-ACK information aiming at the DCI correctly based on the HARQ-ACK codebook.

Optionally, in the third possible implementation manner, when the process number is determined according to the time domain information corresponding to the DCI, the time domain information corresponding to the DCI may be determined according to at least one of the following (a) to (e):

(a) a time domain unit in which the DCI is located;

(b) a time domain offset indicated by the DCI;

(c) a Start and Length Indicator Value (SLIV) of the DCI indicator;

(d) SLIV corresponding to the downlink shared channel configured by the second SPS;

(e) the time domain location of the next closest downlink shared channel of the second SPS configuration.

The second SPS configuration is indicated by or corresponds to the DCI.

In the embodiment of the present invention, the time domain information may be a time slot and/or an Orthogonal Frequency Division Multiplexing (OFDM) symbol.

Specifically, the time domain information corresponding to the DCI may be a time slot position corresponding to the DCI, or may also be an OFDM symbol corresponding to the DCI. The time domain unit in which the DCI is located may be a slot in which the DCI is located or a symbol in which the DCI is located. The time domain offset indicated by the DCI may be a slot offset indicated by the DCI, or may be a symbol offset indicated by the DCI. The SLIV corresponding to the downlink shared channel may be a starting timeslot and a timeslot length indication value, or may be a starting symbol and a symbol length indication value.

It is to be understood that, when the UE receives the DCI at a receiving time, the UE may determine a time domain position (including a time slot and/or a symbol position) of the SPS downlink shared channel that is closest after the receiving time as time domain information corresponding to the DCI.

Specifically, the SPS-configured downlink shared channel may be a PDSCH configured by an SPS.

In this embodiment of the present invention, the SLIV may be a SLIV indicated by DCI, or may be a SLIV corresponding to an SPS PDSCH configured by a second SPS.

Optionally, in this embodiment of the present invention, at least one of the time domain offset and the SLIV may be determined according to Time Domain Resource Allocation (TDRA) information corresponding to DCI.

For example, the time domain information corresponding to the DCI may be any one of the following items (1) to (10).

(1) The slot in which the DCI is located.

(2) The time slot where the DCI is located + the time slot offset indicated by the DCI.

(3) The slot where the DCI is located + the starting slot indicated by SLIV.

(4) The time slot where the DCI is located + the time slot offset indicated by the DCI + the starting time slot indicated by the SLIV.

(5) The symbol where the DCI is located.

(6) The symbol where the DCI is located + the symbol offset indicated by the DCI.

(7) The symbol where the DCI is located + the starting symbol indicated by the SLIV.

(8) The symbol where the DCI is located + the symbol offset indicated by the DCI + the starting symbol indicated by the SLIV.

For the time domain position of the next closest downlink shared channel corresponding to the second SPS configuration, the time domain information corresponding to the DCI may be (9) or (10):

(9) the slot in which the next most recent SPS PDSCH of the second SPS configuration is located.

(10) The slot where the next closest SPS PDSCH of the second SPS configuration is located + the starting symbol indicated by the SLIV corresponding to the SPS PDSCH of the second SPS configuration.

It should be noted that, in the embodiment of the present invention, when determining the time domain information corresponding to the DCI, time slot calculation, coincidence calculation, or time slot and symbol calculation may be used, that is, part of the information in the DCI may indicate the time slot, and part of the information may indicate the symbol, and when determining the time domain information corresponding to the DCI, the symbol or the time slot may be converted first, and then calculation is performed, which is not specifically limited in this embodiment of the present invention.

For example, the time domain information corresponding to the DCI may be (13) or (14) below.

(13) The slot where the DCI is located + the starting symbol indicated by the SLIV.

(14) The slot where the DCI is located + the slot offset indicated by the DCI + the starting symbol indicated by the SLIV.

It should be noted that, for the case that part of the information in the CI may indicate a slot and part of the information may indicate a symbol, the above (13) and (14) are exemplary descriptions, and other combinations of slots and symbols are not listed.

Based on the scheme, the UE can determine the time domain information corresponding to the DCI for releasing the SPS configuration by adopting a plurality of determination modes, so that the process number can be flexibly determined according to the time domain information corresponding to the DCI, the position of the feedback information of the DCI in the HARQ-ACK codebook can be further determined according to the position corresponding to the process number, and the position of the feedback information of the DCI in the HARQ-ACK codebook can be specifically determined according to the position corresponding to the process number in the HARQ-ACK codebook.

It is to be understood that, in the embodiment of the present invention, the SPS configuration indicated by the DCI may be one SPS configuration or may be multiple SPS configurations. The above process number may be combined with the difference in the number of SPS configurations indicated by the DCI to select a different acquisition method.

Optionally, in this embodiment of the present invention, when the process number is determined according to the time domain information corresponding to the DCI, if the DCI indicates to release one SPS configuration, the process number may be determined according to the time domain information corresponding to the DCI and the one SPS configuration released by the DCI indication by the UE.

Specifically, for one SPS configuration, the number of the corresponding HARQ process may be one or multiple. In the case that the DCI indicates to release one SPS configuration, that is, the UE may determine one process number from a plurality of process numbers corresponding to the SPS configuration according to the time domain information corresponding to the DCI.

Optionally, when the number of SPS configured in the UE is one, the DCI may indicate a configuration index of the one SPS configuration, or may not indicate the configuration index of the one SPS.

Optionally, in this embodiment of the present invention, when the process number is determined according to the time domain information corresponding to the DCI, if the DCI indicates to release the multiple SPS configurations, the process number may be determined according to the time domain information corresponding to the DCI and the first SPS configuration for the UE, where the first SPS configuration indicates one of the multiple SPS configurations released by the DCI, or one SPS configuration configured for the UE by the network device.

It should be noted that, in the case that the DCI indicates one SPS configuration, the second SPS configuration is configured as the one SPS configuration; when the DCI indicates a plurality of SPS configurations, if the process number is determined by the UE according to the time domain information corresponding to the DCI and a first SPS configuration of the plurality of SPS configurations, the second SPS configuration is configured as the first SPS configuration.

Specifically, the process number may be a process number determined by the UE according to the time domain information corresponding to the DCI and the multiple process numbers corresponding to the first SPS configuration.

In this embodiment of the present invention, the SPS configuration in the UE may be one SPS configuration configured for the UE by the network device, or may be multiple SPS configurations configured for the UE by the network device, which is not specifically limited in this embodiment of the present invention.

Optionally, in this embodiment of the present invention, the first SPS configuration is an SPS configuration with a largest configuration index value (configuration index) or an SPS configuration with a smallest configuration index value, among a plurality of SPS configurations that the DCI indicates to release or SPS configurations that the network device configures for the UE.

It should be noted that, the DCI indicates a plurality of released SPS configurations, which may be SPS configurations already activated in the UE; the SPS configuration configured by the network device for the UE may be an activated SPS configuration or a deactivated (or released) SPS configuration, which is not specifically limited in this embodiment of the present invention.

Specifically, the process number may be an HARQ process number corresponding to an SPS configuration with a largest configuration index value in a plurality of activated SPS configurations that are indicated and released by DCI, or an HARQ process number corresponding to an SPS configuration with a smallest configuration index value in a plurality of activated SPS configurations that are indicated and released by DCI; the network device may also configure the HARQ process number corresponding to the SPS with the largest index value in the SPS configuration configured for the UE, or configure the HARQ process number corresponding to the SPS with the smallest index value in the SPS configuration configured for the UE.

Optionally, in this embodiment of the present invention, when the process number is determined according to the time domain information corresponding to the DCI, the UE may further determine the process number according to the following manner: and f (time domain information corresponding to the DCI). Wherein, f (the time domain information corresponding to the DCI) may be determined according to a configuration period of the SPS configuration, a corresponding HARQ process number (or an offset value of the HARQ process number) of the SPS configuration, and a maximum number of HARQ processes supported by the UE.

Optionally, in the embodiment of the present invention, in a case that the UE supports multiple carriers, the UE may further determine, by combining Carrier Identifier (CIF) and/or Downlink Assignment Indication (DAI) of the SPS release DCI and the method in the foregoing method embodiment, a position of HARQ-ACK information corresponding to the DCI releasing the SPS on a corresponding carrier in the HARQ-ACK codebook.

Specifically, the network device may determine, through a CIF carried by the DCI, a carrier number where the released SPS configuration is located, where one carrier number may correspond to at least one HARQ-ACK process, and the UE may also determine, according to the time domain information, a position of HARQ-ACK information corresponding to the DCI in the HARQ-ACK codebook from a position of at least one HARQ-ACK information corresponding to the carrier number in the HARQ-ACK codebook, after determining the carrier number.

Optionally, in a case that the UE configures the NDI fed back in the HARQ-ACK codebook, for the released SPS configuration, the NDI of the corresponding HARQ-ACK is always 0, or is an NDI value indicated by the DCI.

The NDI value may indicate whether the HARQ-ACK information is retransmitted or not, and may also be used to indicate whether the information configured by the network device is retransmitted or not.

Example 1:

with reference to fig. 3, the UE detects DCI releasing SPS, and may determine, according to time domain information indicated in the DCI, that the HARQ process number is k; then, the UE may determine, according to the determined HARQ process number k, a position of the HARQ-ACK bit for releasing SPS (i.e., the feedback information of the DCI) in the HARQ-ACK codebook, where the HARQ-ACK bit for releasing SPS is located at the HARQ-ACK position corresponding to the HARQ process number k in the HARQ-ACK codebook.

It is to be understood that, in this scheme, the DCI corresponds to release of one SPS configuration, and the DCI may indicate a configuration index of the released SPS configuration or may not indicate the configuration index of the released SPS configuration.

Example 2:

in connection with fig. 4, the UE detects DCI releasing SPS, which configures the released SPS as SPS configuration 1. The UE can determine that the HARQ process number is k according to the time domain information of the first SPS PDSCH of the SPS configuration 1 after the DCI receiving time, and determine the position of the HARQ-ACK bit for releasing the SPS in the HARQ-ACK codebook according to the HARQ process number k, wherein the HARQ-ACK bit for releasing the SPS is positioned at the HARQ-ACK position corresponding to the HARQ process number k in the HARQ-ACK codebook.

It can be understood that, in this scheme, if there is only one SPS activated by the UE, the DCI releasing the SPS may or may not indicate the configuration index of the released SPS configuration. The UE may determine that the released SPS is the activated one SPS after receiving the DCI releasing the SPS.

Example 3:

in conjunction with fig. 5, the UE detects DCI releasing SPS, which will release a plurality of activated SPS configurations, SPS configuration 1 to SPS configuration 4, respectively. Wherein, the configuration index corresponding to SPS configuration 1 is 1 (i.e., configuration index is 1), and the corresponding HARQ processes are HARQ process 1 to HARQ process k; the configuration index corresponding to SPS configuration 2 is 2 (i.e., configuration index), the corresponding HARQ processes are HARQ process k +1 to HARQ process k1, the configuration index value corresponding to SPS configuration 3 is 3, and the corresponding HARQ processes are k1+1 to HARQ process k 2; the configuration index value corresponding to SPS configuration 4 is 4, and the corresponding HARQ processes are k2+1 to k 3. The UE determines that the SPS configuration with the minimum configuration index in the plurality of activated SPS configurations released by the DCI is SPS configuration 1, determines that the number of the HARQ process is k according to the HARQ process 1-HARQ process k corresponding to the SPS configuration 1 and time domain information indicated in the DCI, and determines the position of the HARQ-ACK bit for releasing the SPS in the HARQ-ACK codebook according to the HARQ process number k, wherein the HARQ-ACK bit for releasing the SPS is positioned at the HARQ-ACK position corresponding to the HARQ process number k in the HARQ-ACK codebook.

Example 4:

referring to fig. 6, the UE is configured with 4 SPS configurations, SPS configuration 1 to SPS configuration 4. Wherein, the configuration index value corresponding to the SPS configuration 1 is 1, and the corresponding HARQ processes are HARQ process 1 to HARQ process k; the configuration index value corresponding to SPS configuration 2 is 2, and the corresponding HARQ processes are k +1 to HARQ process k 1; the configuration index value corresponding to SPS configuration 3 is 3, and the corresponding HARQ processes are k1+1 to HARQ process k 2; the configuration index value corresponding to SPS configuration 4 is 4, and the corresponding HARQ processes are k2+1 to k 3. The UE detects DCI, which will release a plurality of activated SPS configurations, SPS configuration 3 and SPS configuration 4, respectively. The SPS configuration with the minimum configuration index value in the SPS configuration configured by the UE is determined to be SPS configuration 1, HARQ processes 1 to K corresponding to the SPS configuration 1 are combined with time domain information indicated in DCI, the number of the HARQ process is determined to be k, the position of HARQ-ACK bits for releasing the SPS in an HARQ-ACK codebook is determined according to the HARQ process number k, and the HARQ-ACK bits for releasing the SPS are located in the HARQ-ACK position corresponding to the HARQ process number k in the HARQ-ACK codebook.

In this embodiment of the present invention, in the fourth possible implementation manner, the HARQ-ACK codebook may include a reserved position, that is, the HARQ-ACK codebook may include a reserved position for feeding back other information in addition to the position corresponding to the HARQ-ACK corresponding to each HARQ process.

Of course, the HARQ-ACK codebook may not include reserved locations. If the HARQ-ACK codebook does not include the reserved position, the position of the feedback information for the DCI in the HARQ-ACK codebook may be determined according to the method in the above embodiment, and if the HARQ-ACK codebook includes the reserved position, the position of the feedback information for the DCI in the HARQ-ACK codebook may be determined according to the method in the above embodiment, or may be determined according to the method in the following embodiment.

Optionally, in the embodiment of the present invention, the reserved positions of the HARQ-ACK codebook are N reserved positions, where N is a positive integer.

Specifically, the N reserved positions of the HARQ-ACK codebook may correspond to the positions of the HARQ-ACK information corresponding to the N SPS configurations.

Optionally, in this embodiment of the present invention, N is predefined, configured by a network device, or determined by a UE.

For example, in the case that N is predefined (e.g., specified by a protocol), N may be determined according to the maximum number of SPS configurations that the network device can configure for the UE. Where N is configured for the network device, N may be determined according to the number of SPS configurations that the network device has configured for the UE. In the case where N is determined for a UE, N may be determined according to UE capabilities, and may be determined according to the maximum configurable number supported by one UE.

Optionally, in this embodiment of the present invention, the N reserved positions may be N positions from the starting position to the next position in the HARQ-ACK codebook or N positions from the ending position to the previous position.

Specifically, when N positions from the starting position to the next position in the HARQ-ACK codebook are reserved positions, the position of the HARQ-ACK information corresponding to the HARQ process in the HARQ-ACK codebook is located at a position after the N positions. And under the condition that N positions from the end position to the front in the HARQ-ACK codebook are reserved positions, the position of the HARQ-ACK information corresponding to the HARQ process in the HARQ-ACK codebook is positioned at the position before the N positions.

Optionally, in this embodiment of the present invention, the number of bits corresponding to the HARQ-ACK that releases one SPS is M, and then N may be a multiple of M.

And if the UE configures the NDI feedback in the HARQ-ACK codebook, the bit number M corresponding to the HARQ-ACK releasing one SPS is the bit number of the HARQ-ACK of one SPS plus the bit number of the NDI feedback.

Alternatively, M may be protocol-specific or may be configured for the network device.

Optionally, in this embodiment of the present invention, if the DCI indicates to release one SPS configuration, the first reserved location is determined according to the one SPS configuration.

Specifically, if the SPS release DCI indicates that one SPS configuration is released, the first reserved location is determined from a location corresponding to the configuration index of the SPS configuration among the N reserved locations of the HARQ-ACK codebook according to the configuration index of the SPS configuration.

Optionally, if the DCI indicates to release the plurality of SPS configurations, the first reserved location is determined according to a third SPS configuration, and the third SPS configuration is one of the plurality of SPS configurations.

Optionally, in this embodiment of the present invention, the third SPS configuration is an SPS configuration with a largest configuration index value or an SPS configuration with a smallest configuration index value, among the plurality of SPS configurations.

Specifically, if the SPS release DCI indicates that a plurality of SPS configurations are released (for example, indicates an SPS configuration set), the first reserved location may be determined from a location corresponding to an SPS configuration with a largest configuration index value among N reserved locations of the HARQ-ACK codebook according to the SPS configuration with the largest configuration index value among the configuration indexes of the plurality of SPS configurations; the first reserved position may also be determined from a position corresponding to the SPS configuration with the smallest configuration index value among the N reserved positions of the HARQ-ACK codebook according to the SPS configuration with the smallest configuration index value among the configuration indexes of the plurality of SPS configurations.

For example, in the case that the first reserved location may be configured for the network device, the first reserved location may be one of N reserved locations configured for the UE by the network device through RRC.

Example 5:

referring to fig. 7, a position (e.g., 1 bit) is reserved in the HARQ-ACK codebook for feeding back HARQ-ACK for releasing SPS (i.e., feedback information corresponding to DCI for releasing SPS). Wherein, the HARQ-ACK information for releasing SPS is located at the end position of the HARQ-ACK codebook, i.e. after the HARQ-ACK information corresponding to all the included HARQ processes. The UE detects the DCI for releasing the SPS, and can determine the end position of the HARQ-ACK codebook as that the HARQ-ACK information for releasing the SPS is positioned at the end position of the HARQ-ACK codebook.

Example 6:

referring to fig. 8, N positions (e.g., N bits) are reserved in the HARQ-ACK codebook for feeding back HARQ-ACKs for releasing SPS, where N is the number of SPS configurations configured by the network device for the UE. The HARQ-ACK information for releasing SPS is located at the end of the HARQ-ACK codebook, i.e. after the HARQ-ACK information corresponding to all the included HARQ processes. The UE detects DCI 1 releasing SPS, which DCI 1 will release a plurality of activated SPS configurations, SPS configuration 1 and configuration 2, respectively. The configuration index value corresponding to SPS configuration 1 is 1, and the configuration index value corresponding to SPS configuration 2 is 2. And determining the HARQ-ACK position of the DCI 1 according to the HARQ-ACK position corresponding to the SPS configuration 1 in the HARQ-ACK codebook. The UE detects DCI2 releasing SPS, which DCI2 will be whether there are multiple SPS configurations activated, SPS configuration k through configuration k + 1. The configuration index value corresponding to SPS configuration k is k, and the configuration index value corresponding to SPS configuration 2 is k + 1. And determining the HARQ-ACK position of the DCI2 according to the HARQ-ACK position corresponding to the SPS configuration k in the HARQ-ACK codebook.

According to the feedback method provided by the embodiment of the invention, the UE can transmit the feedback information aiming at the DCI at the predefined position in the HARQ-ACK codebook, the position configured by the network equipment, the position corresponding to the process number or the first reserved position determined from the HARQ-ACK codebook, namely the UE can determine the position of the HARQ-ACK information aiming at the DCI in the HARQ-ACK codebook flexibly according to the plurality of modes, so that the UE can construct the HARQ-ACK codebook correctly when sending the feedback information to the network equipment, and the UE can feed back the HARQ-ACK information aiming at the DCI correctly based on the HARQ-ACK codebook.

Fig. 9 shows a schematic diagram of a possible structure of the feedback device involved in the embodiment of the present invention. As shown in fig. 9, a feedback apparatus 900 provided in an embodiment of the present invention may include: a feedback module 901; a feedback module 901, configured to feed back an HARQ-ACK codebook, where the HARQ-ACK codebook includes feedback information of DCI, and a position of the feedback information in the HARQ-ACK codebook is any of the following items: a predefined location, a network configured location, a location corresponding to a process number, a first reserved location determined from a reserved location of a HARQ-ACK codebook; wherein, the process number is determined according to the time domain information corresponding to the DCI, or configured for the network device.

In a possible implementation manner, the process number is determined according to time domain information corresponding to the DCI; if the DCI indicates to release an SPS configuration, determining the process number according to the time domain information corresponding to the DCI and the SPS configuration; or, if the DCI indicates to release the multiple SPS configurations, the process number is determined according to the time domain information indicated by the DCI and the first SPS configuration, where the first SPS configuration is one of the multiple SPS configurations that the DCI indicates to release, or one SPS configuration configured for the feedback device 900 for the network device; the DCI indicates release of the SPS configuration.

In a possible implementation manner, the time domain information corresponding to the DCI is determined according to at least one of the following: a time domain unit in which the DCI is located; a time domain offset indicated by the DCI; the SLIV indicated by the DCI; SLIV corresponding to the downlink shared channel configured by the second SPS; a time domain location of a next nearest downlink shared channel of the second SPS configuration; wherein the second SPS configuration is indicated by the DCI or corresponds to the DCI.

In a possible implementation manner, the time domain offset indicated by the DCI or the SLIV indicated by the DCI is determined according to TDRA information corresponding to the DCI.

In one possible implementation, the first SPS configuration is an SPS configuration whose DCI indicates a plurality of released SPS configurations or an SPS configuration whose network device configures the feedback apparatus 900, and the SPS configuration with the largest configuration index value or the SPS configuration with the smallest configuration index value is used.

In a possible implementation manner, if the DCI indicates to release one SPS configuration, the first reserved location is determined according to the one SPS configuration released by the DCI indication; or if the DCI indicates to release the plurality of SPS configurations, determining the first reserved location according to a third SPS configuration, where the third SPS configuration is one of the plurality of SPS configurations that the DCI indicates to release.

In a possible implementation manner, the third SPS configuration is an SPS configuration with a largest configuration index value or an SPS configuration with a smallest configuration index value among the plurality of SPS configurations released by the DCI indication.

In one possible implementation, the first reserved location is configured for the network device.

In a possible implementation manner, the reserved positions of the HARQ codebook are N reserved positions, where N is a positive integer.

In a possible implementation manner, the N reserved positions are N positions from the starting position to the next position or N positions from the ending position to the previous position in the HARQ-ACK codebook.

In one possible implementation, N is predefined, configured by the network device, or determined by feedback means 900.

In a possible implementation manner, the predefined position is a starting position or an ending position of the HARQ-ACK codebook.

The feedback device provided in the embodiment of the present invention can implement each process implemented by the UE in the above method embodiments, and for avoiding repetition, detailed descriptions are not repeated here.

Embodiments of the present invention provide a feedback apparatus, where the feedback apparatus may transmit feedback information for DCI at a predefined position in a HARQ-ACK codebook, a position configured by a network device, a position corresponding to a process number, or a first reserved position determined from the HARQ-ACK codebook, that is, the feedback apparatus may determine, according to the above multiple manners, a position in the HARQ-ACK codebook of HARQ-ACK information for DCI releasing SPS configuration, so that the feedback apparatus can correctly construct a HARQ-ACK codebook when transmitting feedback information to the network device, and thus based on the HARQ-ACK codebook, the feedback apparatus may correctly feed back HARQ-ACK information for DCI.

Fig. 10 is a hardware schematic diagram of a UE according to an embodiment of the present invention, where the UE100 includes, but is not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111.

Those skilled in the art will appreciate that the UE architecture shown in fig. 10 does not constitute a limitation of the UE, which may include more or fewer components than shown, or combine certain components, or a different arrangement of components. In the embodiment of the present invention, the UE includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted electronic device, a wearable device, a pedometer, and the like.

The radio frequency unit 101 is configured to feed back an HARQ-ACK codebook, where the HARQ-ACK codebook includes DCI feedback information, and a position of the feedback information in the HARQ-ACK codebook is any of the following items: the method comprises the steps of predefining a position, a position configured by network equipment, a position corresponding to a process number, and a first reserved position determined from the reserved positions of the HARQ-ACK codebook; wherein, the process number is determined according to the time domain information corresponding to the DCI, or configured for the network device.

The embodiment of the invention provides a UE, wherein the UE can transmit feedback information aiming at DCI at a predefined position in a HARQ-ACK codebook, a position configured by a network device, a position corresponding to a process number, or a first reserved position determined from the HARQ-ACK codebook, namely the UE can determine the position of the HARQ-ACK information aiming at the DCI releasing SPS configuration in the HARQ-ACK codebook flexibly according to the multiple modes, so that the UE can construct the HARQ-ACK codebook correctly when sending the feedback information to the network device, and the UE can feed back the HARQ-ACK information aiming at the DCI correctly based on the HARQ-ACK codebook.

It should be understood that, in the embodiment of the present invention, the radio frequency unit 101 may be used for receiving and sending signals during a message transmission or call process, and specifically, after receiving downlink data from a base station, the downlink data is processed by the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 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. In addition, the radio frequency unit 101 can also communicate with a network and other devices through a wireless communication system.

The UE provides the user with wireless broadband internet access via the network module 102, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into an audio signal and output as sound. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the UE100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.

The input unit 104 is used to receive an audio or video signal. The input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, and the Graphics processor 1041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the network module 102. The microphone 1042 may receive sound and may be capable of processing such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode.

The UE100 also includes at least one sensor 105, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or backlight when the UE100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the UE attitude (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 105 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the UE. Specifically, the user input unit 107 includes a touch panel 1071 and other input devices 1072. Touch panel 1071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 1071 (e.g., operations by a user on or near touch panel 1071 using a finger, stylus, or any suitable object or attachment). The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and receives and executes commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. Specifically, other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

Further, the touch panel 1071 may be overlaid on the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although in fig. 10, the touch panel 1071 and the display panel 1061 are two independent components to implement the input and output functions of the UE, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the UE, and is not limited herein.

The interface unit 108 is an interface for connecting an external device to the UE 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input from external devices (e.g., data information, power, etc.) and transmit the received input to one or more elements within the UE100 or may be used to transmit data between the UE100 and external devices.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the UE, connects various parts of the entire UE using various interfaces and lines, performs various functions of the UE and processes data by running or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the UE. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The UE100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.

In addition, the UE100 includes some functional modules that are not shown, and are not described in detail herein.

Optionally, an embodiment of the present invention further provides a UE, which, with reference to fig. 10, includes a processor 110, a memory 109, and a computer program that is stored in the memory 109 and is executable on the processor 110, where the computer program, when executed by the processor 110, implements each process of the feedback method embodiment, and can achieve the same technical effect, and is not described herein again to avoid repetition.

An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 110 shown in fig. 10, the computer program implements the processes of the method embodiment, and can achieve the same technical effect, and is not described herein again to avoid repetition. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.

It should be noted that, in the embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A feedback method is applied to User Equipment (UE), and is characterized in that the method comprises the following steps:

feeding back an automatic repeat request feedback HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises feedback information of downlink control information DCI, and the position of the feedback information in the HARQ-ACK codebook is any one of the following items: a predefined location, a location configured by the network device, a location corresponding to the process number, a first reserved location determined from the reserved locations of the HARQ-ACK codebook; wherein, the process number is determined according to the time domain information corresponding to the DCI or configured for the network equipment; the DCI indicates to release semi-persistent scheduling (SPS) configuration.

2. The method of claim 1, wherein the process number is determined according to time domain information corresponding to the DCI;

if the DCI indicates to release one SPS configuration, determining the process number according to the time domain information and the SPS configuration;

alternatively, the first and second electrodes may be,

if the DCI indicates to release the plurality of SPS configurations, the process number is determined according to the time domain information and a first SPS configuration, where the first SPS configuration is one of the plurality of SPS configurations or one SPS configuration configured for the UE by a network device.

3. The method according to claim 1 or 2, wherein the time domain information is determined according to at least one of:

a time domain unit in which the DCI is located;

a time domain offset indicated by the DCI;

a starting time domain position and a length indication value SLIV indicated by the DCI;

SLIV corresponding to the downlink shared channel configured by the second SPS;

a time domain location of a next nearest downlink shared channel of the second SPS configuration;

wherein the second SPS configuration is indicated by the DCI or is corresponding to the DCI.

4. The method of claim 3, wherein the time domain offset or the SLIV is determined according to Time Domain Resource Allocation (TDRA) information corresponding to the DCI.

5. The method of claim 2, wherein the first SPS configuration is an SPS configuration with a largest configuration index value or an SPS configuration with a smallest configuration index value among the plurality of SPS configurations or SPS configurations configured by the network device for the UE.

6. The method of claim 1,

if the DCI indicates that one SPS configuration is released, the first reserved position is determined according to the one SPS configuration;

alternatively, the first and second electrodes may be,

if the DCI indicates that a plurality of SPS configurations are released, the first reserved location is determined according to a third SPS configuration, and the third SPS configuration is one of the plurality of SPS configurations.

7. The method as recited in claim 6, wherein said third SPS configuration is one of said plurality of SPS configurations having a largest configuration index value and a smallest configuration index value.

8. The method of claim 1, wherein the first reserved location is configured for a network device.

9. The method of claim 1, 6, 7 or 8, wherein the reserved locations of the HARQ-ACK codebook are N reserved locations, and N is a positive integer.

10. The method of claim 9, wherein the N reserved locations are N locations in the HARQ-ACK codebook starting from a starting location and going back or N locations starting from an ending location and going forward.

11. The method of claim 9, wherein N is predefined, network device configured, or determined by the UE.

12. The method of claim 1, wherein the predefined position is a starting position or an ending position of the HARQ-ACK codebook.

13. A feedback apparatus, characterized in that the feedback apparatus comprises: a feedback module;

the feedback module is configured to feed back an HARQ-ACK codebook for automatic repeat request feedback, where the HARQ-ACK codebook includes feedback information of DCI (downlink control information), and a position of the feedback information in the HARQ-ACK codebook is any one of the following items: a predefined location, a network configured location, a location corresponding to a process number, a first reserved location determined from a reserved location of the HARQ-ACK codebook; wherein, the process number is determined according to the time domain information corresponding to the DCI or configured for the network equipment; the DCI indicates to release semi-persistent scheduling (SPS) configuration.

14. The feedback apparatus according to claim 13, wherein the process number is determined according to time domain information corresponding to the DCI;

alternatively, the first and second electrodes may be,

if the DCI indicates to release the plurality of SPS configurations, the process number is determined according to the time domain information and a first SPS configuration, where the first SPS configuration is one of the plurality of SPS configurations or one SPS configuration configured for the feedback device by the network device.

15. The feedback arrangement according to claim 13 or 14, wherein the time domain information is determined according to at least one of:

a time domain unit in which the DCI is located;

a time domain offset indicated by the DCI;

SLIV corresponding to the downlink shared channel configured by the second SPS;

16. The feedback apparatus of claim 15, wherein the time domain offset or the SLIV is determined according to Time Domain Resource Allocation (TDRA) information corresponding to the DCI.

17. The feedback apparatus of claim 14, wherein the first SPS configuration is an SPS configuration with a largest configuration index value or an SPS configuration with a smallest configuration index value among the plurality of SPS configurations or SPS configurations configured for the feedback apparatus by the network device.

18. The feedback apparatus of claim 13,

alternatively, the first and second electrodes may be,

19. The feedback apparatus as claimed in claim 18, wherein the third SPS configuration is one of the plurality of SPS configurations with a largest configuration index value and a smallest configuration index value.

20. The feedback apparatus of claim 13, wherein the first reserved location is configured for a network device.

21. The feedback apparatus according to claim 13, 18, 19 or 20, wherein the reserved positions of the HARQ codebook are N reserved positions, and N is a positive integer.

22. The feedback apparatus of claim 21, wherein the N reserved positions are N positions from a starting position onward or N positions from an ending position onward in the HARQ-ACK codebook.

23. The feedback apparatus of claim 21, wherein N is predefined, configured by a network device, or determined by the feedback apparatus.

24. The feedback apparatus of claim 13, wherein the predefined position is a start position or an end position of the HARQ-ACK codebook.

25. A user equipment, UE, comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the feedback method according to any of claims 1 to 12.