WO2020107409A1 - Communication method, terminal device and network device - Google Patents

Abstract

The embodiments of the present application relate to a communication method, a terminal device and a network device. Said method comprises: a terminal device receiving downlink control signaling sent by a network device, the downlink control signaling comprising a first information domain and a second information domain; when the value of the first information domain is a first numerical value, the second information domain being used to indicate a first parameter, the first parameter being used to transmit first feedback information on a time unit corresponding to the first numerical value; and when the value of the first information domain is a second numerical value, the second information domain being used to indicate a second parameter other than the first parameter. The communication method, terminal device and network device in the embodiments of the present application can improve the flexibility of downlink control signaling.

Description

Communication method, terminal equipment and network equipment Technical field

This application relates to the field of communications, and in particular to a communication method, terminal equipment, and network equipment.

Background technique

In the New Radio (NR) system, the downlink control signaling can schedule the terminal device, and the terminal device can perform data transmission based on the scheduling of the downlink control signaling. The terminal device may feed back the downlink control signaling or scheduled data. Among them, the downlink control signaling may indicate information such as resources to be fed back by the terminal device.

The NR system has high requirements on the flexibility of signaling. How to improve the flexibility of downlink control signaling is an urgent problem to be solved.

Summary of the invention

Embodiments of the present application provide a communication method, terminal equipment, and network equipment, which can improve the flexibility of downlink control signaling.

In a first aspect, a communication method is provided. The method includes: a terminal device receives downlink control signaling sent by a network device, and the downlink control signaling includes a first information domain and a second information domain;

When the value of the first information field is a first value, the second information field is used to indicate a first parameter, and the first parameter is used to transmit first feedback on a time unit corresponding to the first value information;

When the value of the first information field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.

In a second aspect, a communication method is provided. The method includes: a network device sends downlink control signaling to a terminal device, where the downlink control signaling includes a first information domain and a second information domain;

When the value of the first information field is a first value, the second information field is used to indicate a first parameter, and the first parameter is used to transmit first feedback on a time unit corresponding to the first value information;

When the value of the first information field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.

In a third aspect, a terminal device is provided for performing the method in the first aspect or its implementations.

Specifically, the terminal device includes a functional module for performing the method in the above-mentioned first aspect or various implementations thereof.

According to a fourth aspect, a network device is provided for performing the method in the second aspect or its implementations.

Specifically, the network device includes a functional module for performing the method in the above-mentioned second aspect or various implementations thereof.

In a fifth aspect, a terminal device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or the various implementations thereof.

In a sixth aspect, a network device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned second aspect or various implementations thereof.

According to a seventh aspect, a chip is provided for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.

Specifically, the chip includes: a processor for calling and running a computer program from the memory, so that the device installed with the chip executes any one of the first aspect to the second aspect described above or its respective implementations method.

According to an eighth aspect, a computer-readable storage medium is provided for storing a computer program that causes a computer to execute the method in any one of the first to second aspects or their respective implementations.

In a ninth aspect, a computer program product is provided, including computer program instructions, which cause the computer to execute the method in any one of the above first to second aspects or in various implementations thereof.

According to a tenth aspect, there is provided a computer program which, when run on a computer, causes a computer to execute the method in any one of the above first to second aspects or the various implementations thereof.

In the above technical solution, the downlink control signaling transmitted between the network device and the terminal device includes a first information field and a second information field. When the value of the first information field is a first value, the second information field is used To indicate a first parameter, the first parameter is used to transmit first feedback information on a time unit corresponding to the first value, and when the value of the first information field is a second value, the second parameter The information field is used to indicate a second parameter that is not the first parameter, so that different values of the first information field can indicate different functions of the second information field, thereby improving the flexibility of downlink control signaling.

BRIEF DESCRIPTION

FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.

2 is a schematic flowchart of a communication method provided by an embodiment of the present application.

FIG. 3 is a schematic diagram of a specific implementation of a communication method provided by an embodiment of the present application.

4 is a schematic diagram of specific implementation of another communication method provided by an embodiment of the present application.

FIG. 5 is a schematic flowchart of another communication method provided by an embodiment of the present application.

6 is a schematic block diagram of a terminal device provided by an embodiment of the present application.

7 is a schematic block diagram of a network device provided by an embodiment of the present application.

8 is a schematic block diagram of a communication device provided by an embodiment of the present application.

9 is a schematic block diagram of a chip provided by an embodiment of the present application.

10 is a schematic block diagram of a communication system provided by an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile (GSM) system, Code Division Multiple Access (CDMA) system, Broadband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time division duplex (Time Division Duplex, TDD), universal mobile communication system (Universal Mobile Telecommunication System, UMTS), global interconnected microwave access (Worldwide Interoperability for Microwave Access, WiMAX) communication system or 5G system, etc.

Exemplarily, the communication system 100 applied in the embodiment of the present application is shown in FIG. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal). The network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area. Optionally, the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.

The communication system 100 also includes at least one terminal device 120 within the coverage of the network device 110. As used herein, "terminal equipment" includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections ; And/or another data connection/network; and/or via wireless interfaces, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and/or another terminal device configured to receive/transmit communication signals; and/or Internet of Things (IoT) equipment. A terminal device configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal", or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, Internet/internal PDA with network access, web browser, notepad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palm-type receivers or others including radiotelephone transceivers Electronic device. Terminal equipment can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or User device. Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, terminal devices in a 5G network, or terminal devices in a future-evolving PLMN, etc.

Optionally, terminal equipment 120 may perform terminal direct connection (Device to Device, D2D) communication.

Alternatively, the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.

FIG. 1 exemplarily shows one network device and two terminal devices. Optionally, the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.

Optionally, the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.

It should be understood that the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices. Taking the communication system 100 shown in FIG. 1 as an example, the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here. The communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.

2 is a schematic flowchart of a communication method 200 according to an embodiment of the present application, where the method may be executed by a terminal device. The method 200 includes at least part of the following content.

It should be understood that the method of the embodiment of the present application may be applied to unlicensed spectrum communication, and may also be applied to other communication scenarios, such as authorized spectrum communication scenarios.

Unlicensed spectrum is a spectrum allocated by countries and regions that can be used for radio equipment communication. This spectrum can be considered as a shared spectrum, that is, communication devices in different communication systems can meet the regulatory requirements set by the country or region on the spectrum. Using this spectrum, you can not apply for a proprietary spectrum license from the government. In order to allow various communication systems that use unlicensed spectrum for wireless communication to coexist friendlyly on the spectrum, communication devices can follow the principle of Listen Before Talk (LBT) when communicating on unlicensed, that is, communication Before the device sends a signal on the channel of the unlicensed spectrum, it needs to perform channel monitoring (or channel detection). Only when the channel monitoring result is that the channel is idle, the communication device can send a signal; if the communication device is in the free The result of channel monitoring on the licensed spectrum is that the channel is busy, and the signal cannot be sent. And in order to ensure fairness, in one transmission, the communication device can use the unlicensed spectrum channel for signal transmission for a period of time that does not exceed the maximum channel occupation time (Maximum Channel Occupation Time, MCOT).

With the development of wireless communication technologies, NR systems can be deployed on unlicensed spectrum to use unlicensed spectrum for data service transmission.

In 210, the terminal device receives downlink control signaling sent by the network device, where the downlink control signaling includes a first information field and a second information field.

The first information field can be called a feedback timing information field (HARQ-timing-indicator), such as (PDSCH-to-HARQ-timing-indicator), and the second information field can be called a physical uplink control channel (Physical Uplink) Control Channel (PUCCH) resource indication information field (PUCCH resource indicator) and/or PUCCH power adjustment information field (TPC command for scheduled PUCCH).

The value of the first information field may include a first value and a second value.

Optionally, in the embodiment of the present application, the first value may be greater than or equal to the first threshold, and less than or equal to the second threshold. Exemplarily, the first threshold may be 0, and the second threshold may be 16, that is, the first value may be an integer of 0-16.

The second value may be greater than or equal to the third threshold, or less than or equal to the fourth threshold, or infinity, or infinity.

The first threshold, the second threshold, the third threshold, and the fourth threshold may be specified by a protocol, or may be configured by a network device, which is not specifically limited in this embodiment of the present application.

Optionally, the second value is different from the first value. For example, when the first value is 4, the second value may be 1. Alternatively, when the first value is 16, the second value may be infinity.

In the embodiment of the present application, the first value may represent a time unit where the first feedback information is located. The time unit may be a subframe, a time slot, a time domain symbol, or a short transmission time interval (Short Transmission Timing Interval, sTTI).

If the downlink control signaling schedules the data channel, the first value may represent the time interval between the end position of the data channel and the start position of the first feedback information. For example, if the first value is 4, it may mean that the first feedback information is transmitted on the fourth time unit after the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) scheduled by the downlink control signaling.

If the downlink control signaling does not schedule the data channel, the first value may represent the time interval between the downlink control signaling and the first feedback information. For example, if the first value is 4, it may indicate that the first feedback information is transmitted on the fourth time unit after downlink control signaling.

As an example, at least five bits in the downlink control signaling may be used to indicate the value of the first information field. The following uses five bits in the following control signaling to indicate that the value of the first information field is an example. If the five bits are "0xxxx", the value of the first information field is the first value, and if the five bits are "1xxxx", the value of the first information field is the second value. In the case where the value of the first information field is the first value, the terminal device may further determine the time unit where the first feedback information is located according to the five bits. For example, if the five bits are "01111", it may indicate that the first feedback information is transmitted on the 16th time unit after the data channel scheduled by the downlink control signaling; if the five bits are "00110", it may be Indicates that the first feedback information is transmitted on the sixth time unit after the data channel scheduled by the downlink control signaling.

As another example, 1 to 3 bits of downlink control signaling may be used to indicate the value of the first information field. The number of bits indicating the value of the first information field may be configured by the network device.

Exemplarily, if the three bits of the downlink control signaling are used to indicate the value of the first information field, the correspondence between the bit and the value of the first information field can be referred to Table 1.

Table 1

Bit	Value of the first information field
000	1
001	2
010	3
011	4
100	5

101	6
110	8
111	∞

Optionally, the unit of the value of the first information field may be a time slot, which means that the first feedback information is transmitted on the time slot corresponding to the value of the first information field.

Optionally, the correspondence between the bits in Table 1 and the value of the first information field may be semi-statically configured by the network device. The network device may send radio resource control (Radio Resource Control, RRC) signaling to the terminal device. The RRC signaling indicates the correspondence between the bits of the downlink control signaling and the value of the first information field. The terminal device receives After RRC signaling and downlink control signaling, the value of the first information field may be determined.

Optionally, the correspondence between the bits in Table 1 and the value of the first information field may be preset on the terminal device based on the protocol.

It should be understood that the correspondence between the bits in Table 1 and the values of the first information field is only an example, but the application is not limited thereto. For example, the bit "000" may correspond to the value of the first information field being infinitesimal, and "101" may correspond to the value of the first information field being 5.

It should be understood that in the embodiments of the present application, “first” and “second” are only used to distinguish different objects, but do not limit the scope of the embodiments of the present application.

Optionally, the value of the first information field may belong to the first set. When the format of downlink control signaling is Downlink Control Information (DCI) format (format) 1_0, the first set may be specified by the protocol; if the format of downlink control signaling is downlink control information (Downlink Control Information) , DCI) format (format) 1_1, the first set may be configured by the network device.

In a possible embodiment, the first information field may be used to determine whether to trigger the terminal device to send feedback information.

As an example, at least one bit of the first information field may be used to determine whether to trigger the terminal device to send the first feedback information.

Exemplarily, if the number of bits in the first information field is 1, the bit "1" may trigger the terminal device to send the first feedback information. At this time, optionally, the physical resources at which the terminal device sends the first feedback information may be preset; or, the terminal device may use the physical resources at which the feedback information was sent at the last moment to send the first feedback information; or alternatively, the network device may Send first configuration information to the terminal device, where the first configuration information includes the physical resource that the terminal device sends the first feedback information.

Bit "0" does not trigger the terminal device to send the first feedback information. At this time, the terminal device may send the second feedback information to the network device based on the subsequent trigger signaling.

Illustratively, if the number of bits in the first information field is multiple, for example, the number of bits in the first information field is 3, refer to Table 1 again, if the bits in the first information field are "011", it can be triggered The terminal device sends the first feedback information; if the bit of the first information field is "111", the terminal device is not triggered to send the first feedback information.

Optionally, the first feedback information or the second feedback information may be feedback information of downlink control signaling or feedback information of a data channel scheduled by downlink control signaling.

It should be understood that when the value of the first information field is the first value, in a scenario that is sensitive to delay or requires high delay, the feedback information of the downlink control signaling or the data channel scheduled by the downlink control signaling may be at The transmission is performed on the time unit corresponding to the first value, that is, when the first feedback information is transmitted on the time unit corresponding to the first value, the COT where the first feedback information is located may be the same as the COT where the downlink control signaling is located.

It should also be understood that, when the value of the first information field is the second value, for scenarios with low delay requirements, the downlink control signaling or the feedback information of the data channel scheduled by the downlink control signaling may not be sent immediately, but When the feedback information of the downlink control signaling or the data channel scheduled by the downlink control signaling reaches a certain amount, the feedback is unified, that is, when the second information field is used to indicate the second parameter, the COT where the second feedback information is located can be linked to the downlink The COT where the control signaling is located is different, which can improve the flexibility of the system.

Optionally, in the embodiment of the present application, the method 200 may further include: the terminal device determines the parameter indicated by the second information domain according to the value of the first information domain.

Specifically, when the value of the first information field is the first value, the terminal device may determine that the second information field is used to indicate the first parameter in the second information field, and the first parameter is used for the time corresponding to the first value Transmit the first feedback information on the unit; or

When the value of the first information field is the second value, the terminal device may determine that the second information field is used to indicate the second parameter. Among them, the second parameter is different from the first parameter.

Optionally, the first parameter may include but is not limited to at least one of the following: physical resource parameters of a physical uplink control channel (Physical Uplink Control Channel, PUCCH) that carries the first feedback information, such as a physical resource block (Physical Resource Block) , PRB); and the power parameter of the PUCCH carrying the first feedback information.

Of course, the first parameter may also include other parameters such as the modulation and coding method (Modulation and Coding Scheme, MCS) of the PUCCH carrying the first feedback information.

Optionally, the first parameter is used to transmit the first feedback information on the time unit corresponding to the first value. It can be understood that the first parameter is used to transmit the first feedback information, and the first feedback information is the time corresponding to the first value Transmitted on the unit. The first parameter used to transmit the first feedback information may be understood as: when the first parameter includes a physical resource parameter and/or power parameter, the first feedback information may be transmitted using the physical resource parameter and/or power parameter included in the first parameter .

The second parameter may include, but is not limited to: group information and/or the number of downlink control signaling or data channels sent corresponding to the group.

The number of sent downlink control signaling or data channels corresponding to the groups mentioned in the foregoing can be understood as: the number of sent downlink control signaling or data channels in a group.

For example, in the first group, there are 5 downlink control signalings sent, and the number of downlink control signalings sent corresponding to the first group is 5.

The group mentioned above may be a signaling group or channel group where downlink control signaling or a data channel scheduled by downlink control signaling is located, or the group mentioned above may be downlink control signaling or downlink control signaling The downlink resource group occupied by the scheduled data channel. That is, the group may be allocated based on downlink control signaling or data channels scheduled by downlink control signaling, or the group may be allocated based on downlink resources occupied by downlink control signaling or data channels scheduled by downlink control signaling of.

For example, the terminal device receives 5 downlink control signalings, namely DCI1, DCI2, DCI3, DCI4 and DCI5, the downlink resources occupied by DCI1, DCI2 and DCI4 are downlink resource 1, DCI3 The downlink resource occupied by DCI5 is downlink resource 2. At this time, the 5 DCIs can be divided into two groups based on the downlink resources. Among them, DCI1, DCI2 and DCI4 belong to one group, and DCI3 and DCI5 belong Another group.

It should be understood that the term “and/or” in the embodiments of the present application is merely an association relationship describing an association object, and indicates that there may be three types of relationships, for example, A and/or B, which may indicate that A exists alone and exists simultaneously. A and B, there are three cases of B alone.

It should also be understood that the specific examples in the embodiments of the present application are only to help those skilled in the art to better understand the embodiments of the present invention, rather than limiting the scope of the embodiments of the present application.

Optionally, the downlink resource group may be a downlink burst or a channel occupation time (COT).

To facilitate understanding of the embodiments of the present application, bursts are explained below. There can be a switch between upstream transmission and downstream transmission within a COT. If the uplink and downlink are not switched within a period of time, it is a burst; if the switching is performed, it is another burst. For example, there are 10 time slots, time slot 0, time slot 1... time slot 9, time slot 0 to time slot 3 are uplink transmission, time slot 4 to time slot 7 are downlink transmission , The time slot 8 and time slot 9 are uplink transmission, then there are 3 bursts, time slot 0 to time slot 3 is a burst, time slot 4 to time slot 7 is a burst, time slot 8 and time slot 9 are a burst.

The number of sent downlink control signaling or data channels corresponding to the group may be: the number of sent downlink control signaling or data channels included in the signaling group or channel group, or may be sent on the downlink resource group The number of downlink control signaling or data channels.

As an example, in the embodiment of the present application, a Downlink Assignment Index (DAI) may be used to indicate the number of sent downlink control signaling or data channels corresponding to the group. Among them, DAI can count the downlink control signaling or data channels with the same group information.

Exemplarily, if the group is a signaling group, the value of DAI is a may indicate that the current downlink control signaling is the a+1th downlink control signaling sent or received in the group, or the current downlink control signaling ends The total number of downlink control signaling in the group at the sending time or the receiving time is a+1.

In the above technical solution, DAI indicates the number of sent downlink control signaling or data channels corresponding to the group, which can improve the accuracy. For example, if the network device sends 3 downlink control signalings belonging to the same group to the terminal device, and the terminal device receives the second downlink control signaling, the DAI value is 2, then the terminal device can determine according to the DAI value The second downlink control signaling sent by the network device is not received, thereby improving accuracy.

Optionally, the second information field may indicate the information of the group through the index or identification of the group. For example, index 1 indicates the first group, index 2 indicates the second group, the terminal device receives downlink control signaling 1, and the second information field of downlink control signaling 1 indicates index 1, then the terminal device can determine the downlink control signal according to index 1. Let 1 belong to the first group.

Optionally, in the embodiment of the present application, the second parameter may include a third parameter, where the third parameter may be used to associate downlink control signaling with trigger signaling, and the trigger signaling is used to trigger second feedback information . Illustratively, the third parameter may be the information of the group.

Optionally, the third parameter is used to associate downlink control signaling with trigger signaling, and it can be understood that the trigger signaling also includes the third parameter. When the third parameter is included in the trigger signaling, it indicates that the trigger signaling is used to trigger downlink control signaling or feedback information of a data channel scheduled by the downlink control signaling.

In a possible embodiment, when the second information field is used to indicate the second parameter, the method 200 may further include: the terminal device receives trigger signaling sent by the network device, where the trigger signaling indicates at least one group; In response to the trigger signaling, the terminal device sends second feedback information to the network device, where the second feedback information includes feedback information corresponding to at least one group.

The second feedback information is feedback information of downlink control signaling or feedback information of a data channel scheduled by downlink control signaling. The second feedback information may be carried in the PUCCH, and the PUCCH may include downlink control signaling or data channel feedback information.

The feedback information corresponding to the group may be understood as: feedback information of the downlink control signaling in the group or feedback information of the data channel scheduled by the downlink control signaling.

That is, if the trigger signaling received by the terminal device indicates the first group and the second group, the terminal device may send the second feedback information of the downlink control signaling in the first group and the second group to the network device, or The terminal device may send the second feedback information of the data channel scheduled by the downlink control signaling in the first group and the second group to the network device.

In a possible embodiment, the method 200 may further include: the terminal device determines the bit of the second feedback information.

In an implementation manner, the terminal device may determine the bits of the second feedback information based on the number of at least one group and the number of feedback information corresponding to each group.

As an example, the terminal device may determine the amount of feedback information corresponding to each group based on the number of transmitted downlink control signaling corresponding to each group or the number of data channels corresponding to downlink control signaling. That is, the terminal device may determine the amount of feedback information corresponding to each signaling or channel group based on the number of downlink control signaling or data channels sent by each signaling group or channel group; or, the terminal device may The number of downlink control signaling or data channels sent on each downlink resource group determines the amount of feedback information corresponding to each downlink resource group.

For example, if the network device sends DCI1, DCI2, and DCI3 on downlink resource 1, DCI4 is sent on downlink resource 2, and DCI5 is sent on downlink resource 3, then DCI1, DCI2, and DCI3 belong to Downlink resource group 1, DCI 4 belongs to downlink resource group 2, DCI 5 belongs to downlink resource group 3, the terminal device can determine that the amount of feedback information corresponding to downlink resource group 1 is 3, and the amount of feedback information corresponding to downlink resource group 2 is 1 The number of feedback information corresponding to the downlink resource group 3 is 1.

In this case, the terminal device can determine the amount of feedback information corresponding to each group based on the DAI, that is, the terminal device can determine the feedback information in each group based on the value of the last DAI received in each group Quantity. For example, if the value of the last DAI of the first group received by the terminal device is 4, the terminal device can determine that there are 5 pieces of feedback information in the first group; the value of the last DAI of the second group received by the terminal device is 6, the terminal device may determine that there are 7 feedback information in the second group.

As another example, the amount of feedback information corresponding to each group may be specified in the protocol and preset on the terminal device. In this case, the amount of feedback information corresponding to each group may be constant, and the terminal device may multiply the amount of feedback information corresponding to each group by the number of groups to obtain the total amount of second feedback information. For example, if the number of feedback information in each group is 5, and there are 3 groups in total, the total number of second feedback information is 15. If each feedback information occupies 1 bit, the bit of the second feedback information is 15.

As another example, the amount of feedback information corresponding to each group may be configured by the network device. At this time, the network device may send second configuration information to the terminal device, where the second configuration information includes the amount of feedback information corresponding to each group, and the terminal device may determine the amount of feedback information corresponding to each group based on the second configuration information.

Optionally, the network device may periodically configure the amount of feedback information corresponding to each group, such as configuring the amount of feedback information corresponding to each group every 5 ms. It should be understood that the quantity of feedback information corresponding to each group configured by the network device at a time may be the same or different. For example, the number of feedback information in the first group configured by the network device at the previous time is 5, and the number of feedback information in the first group configured at the current time may also be 5, or may be 3.

Optionally, the network device may configure the amount of feedback information corresponding to each group once every 10 downlink control signalings are sent.

Optionally, the network device may also configure the amount of feedback information corresponding to each group only once.

The technical solutions of the embodiments of the present application will be described in detail below in conjunction with Table 2 and FIG. 3, and Table 3 and FIG. 4.

Table 2

It can be seen from Table 2 and FIG. 3 that the network device sends 10 DCIs to the terminal device, of which, among the 10 DCIs, there is 1 DCI with the first value as the first value, and the DCI with the second value totals There are nine. When the value of the first information field is the first value, the second information field indicates the physical resource of the PUCCH carrying the first feedback information; when the value of the first information field is the second value, the second information field indicates the group Information.

It can also be seen from Figure 3 that the DCI of the second value is divided into 3 groups. The DCI with group number 000 belongs to the first group, and there are 3 DCIs within the first group; the DCI with group number 001 belongs to the second group There are 4 DCIs in the second group; DCI with group number 010 belongs to the third group, and there are 2 DCIs in the third group.

The network device sends trigger signaling to the terminal device in COT+1, and the trigger signaling indicates the first group and the second group. After receiving the trigger signaling, the terminal device sends the second feedback information of the DCI in the first group and the second group to the network device in the PUCCH corresponding to the trigger signaling.

Further, the terminal device may determine the total number of bits of the second feedback information carried in the PUCCH. The number of feedback information in the first group is 3, and the number of feedback information in the second group is 4, then the number of second feedback information is 7. If each feedback information is 1 bit, the total number of bits of the second feedback information carried in the PUCCH is 7.

table 3

It can be seen from Table 3 and FIG. 4 that the network device sends 10 DCIs to the terminal device, of which, among the 10 DCIs, there is 1 DCI with the first value as the first value, and the DCI with the second value totals There are nine. When the value of the first information field is the first value, the second information field indicates the physical resource of the PUCCH carrying the first feedback information and the power parameter of the PUCCH carrying the first feedback information; when the first information field is When the value is the second value, the second information field indicates the group information and DAI.

In FIG. 4, when the second information field indicates group information and DAI, "yy" indicates group information, and "xxx" indicates DAI. It can also be seen from Fig. 4 that the DCI of the second value is divided into 2 groups. The DCI with group number 00 belongs to the first group, and there are 8 DCIs within the first group; the DCI with group number 01 belongs to the second group. There is one DCI in the second group.

The network device sends trigger signaling to the terminal device in COT+1, and the trigger signaling indicates the first group and the second group. After receiving the trigger signaling, the terminal device sends the second feedback information of the DCI in the first group and the second group to the network device in the PUCCH corresponding to the trigger signaling.

Further, the terminal device may determine the total number of bits of the second feedback information carried in the PUCCH. Specifically, the terminal device may determine the total number of bits of the second feedback information carried in the PUCCH based on the DAI. When the terminal device receives the last DAI value of 7 in the first group, the terminal device can determine that the amount of feedback information in the first group is 8; the terminal device receives the last DAI value of 0 in the second group, then The terminal device may determine that the amount of feedback information in the second group is 1, and the terminal device may determine that the amount of second feedback information is 9. If each feedback information is 1 bit, the total number of bits of the second feedback information carried in the PUCCH is 7.

In the embodiment of the present application, the downlink control signaling transmitted between the network device and the terminal device includes a first information field and a second information field. When the value of the first information field is a first value, the second information field It is used to indicate the first parameter, and the first parameter is used to transmit the first feedback information on the time unit corresponding to the first value, and when the value of the first information field is the second value, the first parameter The second information field is used to indicate a second parameter that is not the first parameter, so that different values of the first information field can indicate different functions of the second information field, thereby improving flexibility of downlink control signaling.

FIG. 5 is a schematic flowchart of a communication method 500 according to an embodiment of the present application, where the method may be executed by a network device. The method 500 includes at least part of the following content.

It should be noted that the technical solution of the method 500 can be applied not only to the communication of unlicensed spectrum, but also to other communication scenarios, such as the communication scenario of authorized spectrum.

In 510, the network device sends downlink control signaling to the terminal device, where the downlink control signaling includes a first information field and a second information field.

When the value of the first information field is the first value, the second information field is used to indicate the first parameter, and the first parameter is used to transmit the first feedback information on the time unit corresponding to the first value; when the first information When the value of the field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.

Optionally, when the value of the first information field is the first value, the network device may receive the first feedback information using the first parameter indicated by the second information field.

Optionally, in the embodiment of the present application, the first parameter may include at least one of the following: a physical resource parameter of the PUCCH carrying the first feedback information, and a power parameter of the PUCCH carrying the first feedback information.

Optionally, in the embodiment of the present application, the second parameter may include at least one of the following: group information and the number of downlink control signaling or data channels sent corresponding to the group.

The group mentioned above is the signaling or channel group where the downlink control signaling or the data channel scheduled by the downlink control signaling is located, or the downlink resource group occupied by the downlink control signaling or the data channel scheduled by the downlink control signaling .

Optionally, in the embodiment of the present application, the downlink resource group is a downlink burst or channel occupation time COT.

Optionally, in the embodiment of the present application, the first value is greater than or equal to the first threshold, and less than or equal to the second threshold.

Optionally, in the embodiment of the present application, the second value is greater than or equal to the third threshold, or less than or equal to the fourth threshold, or infinity, or infinity.

Optionally, in the embodiment of the present application, when the second information field is used to indicate the second parameter, the method 500 may further include: the network device sends trigger signaling to the terminal device, where the trigger signaling indicates at least one group.

The network device receives second feedback information sent by the terminal device, and the second feedback information includes feedback information corresponding to at least one group.

Optionally, in the embodiment of the present application, the number of bits of the second feedback information is determined based on the following: the number of at least one group, and the number of feedback information corresponding to each group.

Optionally, in the embodiment of the present application, the amount of feedback information corresponding to each group is determined by the number of downlink control signalings sent or the number of data channels corresponding to downlink control signaling corresponding to each group.

Optionally, in the embodiment of the present application, the method 500 further includes: the network device configuring the terminal device with the quantity of feedback information corresponding to each group.

Optionally, in the embodiment of the present application, when the first feedback information is transmitted on the time unit corresponding to the first value, the COT where the first feedback information is located is the same as the COT where the downlink control signaling is located.

Optionally, when the second information field is used to indicate the second parameter, the COT where the second feedback information is located may be different from the COT where the downlink control signaling is located.

Optionally, the first feedback information or the second feedback information may be feedback information of downlink control signaling or feedback information of a data channel scheduled by downlink control signaling.

In the embodiment of the present application, the downlink control signaling transmitted between the network device and the terminal device includes a first information field and a second information field. When the value of the first information field is a first value, the second information field It is used to indicate the first parameter, and the first parameter is used to transmit the first feedback information on the time unit corresponding to the first value, and when the value of the first information field is the second value, the first parameter The second information field is used to indicate a second parameter that is not the first parameter, so that different values of the first information field can indicate different functions of the second information field, thereby improving flexibility of downlink control signaling.

It should be understood that although the methods 200 and 500 are described above, respectively, this does not mean that the methods 200 and 500 are independent. The description of each method may refer to each other. For example, the related description in the method 200 may be applied to the method 500.

It should be understood that in various embodiments of the present application, the size of the sequence numbers of the above processes does not mean that the execution order is sequential, and the execution order of each process should be determined by its function and inherent logic, and should not correspond to the embodiments of the present application The implementation process constitutes no limitation.

The communication method according to the embodiment of the present application is described in detail above. The communication device according to the embodiment of the present application will be described below with reference to FIGS. 6 to 8. The technical features described in the method embodiment are applicable to the following device embodiments.

FIG. 6 shows a schematic block diagram of a terminal device 600 according to an embodiment of the present application. As shown in FIG. 6, the terminal device 600 includes:

The communication unit 610 is configured to receive downlink control signaling sent by a network device, where the downlink control signaling includes a first information domain and a second information domain.

When the value of the first information field is the first value, the second information field is used to indicate the first parameter, and the first parameter is used to transmit the first feedback information on the time unit corresponding to the first value; when the first information When the value of the field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.

Optionally, in the embodiment of the present application, the first parameter includes at least one of the following: a physical resource parameter of the physical uplink control channel PUCCH carrying the first feedback information; and a power parameter of the PUCCH carrying the first feedback information.

Optionally, in the embodiment of the present application, the second parameter includes at least one of the following:

Group information, which is the signaling or channel group where the downlink control signaling or the data channel scheduled by the downlink control signaling is located, or the group is the downlink resource group occupied by the downlink control signaling or the data channel scheduled by the downlink control signaling ;

The number of sent downlink control signaling or data channels corresponding to the group.

Optionally, in the embodiment of the present application, the downlink resource group is a downlink burst or channel occupation time COT.

Optionally, in the embodiment of the present application, the first value is greater than or equal to the first threshold, and less than or equal to the second threshold.

Optionally, in the embodiment of the present application, the second value is greater than or equal to the third threshold, or less than or equal to the fourth threshold, or infinity, or infinity.

Optionally, in the embodiment of the present application, when the second information field is used to indicate a second parameter other than the first parameter, the communication unit 610 is further configured to: receive trigger signaling, where the trigger signaling indicates at least A group

Sending second feedback information, the second feedback information including feedback information corresponding to at least one group.

Optionally, in the embodiment of the present application, the bits of the second feedback information are determined based on the following: the number of at least one group, and the number of feedback information corresponding to each group.

Optionally, in the embodiment of the present application, the amount of feedback information corresponding to each group is determined by the number of downlink control signaling sent or the number of data channels corresponding to downlink control signaling corresponding to each group; or ,

The amount of feedback information corresponding to each group is preset on the terminal device; or

The amount of feedback information corresponding to each group is configured by the network device.

Optionally, in the embodiment of the present application, when the first feedback information is transmitted on the time unit corresponding to the first value, the COT where the first feedback information is located is the same as the COT where the downlink control signaling is located.

It should be understood that the terminal device 600 may correspond to the terminal device in the method 200, and the corresponding operation of the terminal device in the method 200 may be implemented. For the sake of brevity, details are not described here.

FIG. 7 shows a schematic block diagram of a network device 700 according to an embodiment of the present application. As shown in FIG. 7, the network device 700 includes:

The communication unit 710 is configured to send downlink control signaling to the terminal device, where the downlink control signaling includes a first information domain and a second information domain.

When the value of the first information field is the first value, the second information field is used to indicate the first parameter, and the first parameter is used to transmit the first feedback information on the time unit corresponding to the first value; when the first information When the value of the field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.

Optionally, in the embodiment of the present application, the first parameter includes at least one of the following: a physical resource parameter of the physical uplink control channel PUCCH carrying the first feedback information, and a power parameter of the PUCCH carrying the first feedback information.

Optionally, in the embodiment of the present application, the second parameter includes at least one of the following:

Group information, the group is the signaling or channel group where the downlink control signaling or the data channel scheduled by the downlink control signaling is located, or the group is the downlink resource occupied by the downlink control signaling or the data channel scheduled by the downlink control signaling group;

The number of sent downlink control signaling or data channels corresponding to the group.

Optionally, in the embodiment of the present application, the downlink resource group is a downlink burst or channel occupation time COT.

Optionally, in the embodiment of the present application, the first value is greater than or equal to the first threshold, and less than or equal to the second threshold.

Optionally, in the embodiment of the present application, the second value is greater than or equal to the third threshold, or less than or equal to the fourth threshold, or infinity, or infinity.

Optionally, in the embodiment of the present application, when the second information field is used to indicate a second parameter other than the first parameter, the communication unit 710 is further configured to: send trigger signaling to the terminal device, where the trigger message The order indicates at least one group;

Receiving second feedback information sent by the terminal device, where the second feedback information includes feedback information corresponding to at least one group.

Optionally, in the embodiment of the present application, the number of bits of the second feedback information is determined based on the following: the number of at least one group, and the number of feedback information corresponding to each group.

Optionally, in the embodiment of the present application, the amount of feedback information corresponding to each group is determined by the number of downlink control signalings sent or the number of data channels corresponding to downlink control signaling corresponding to each group.

Optionally, in the embodiment of the present application, the network device 700 further includes: a processing unit 720, configured to configure the terminal device with the amount of feedback information corresponding to each group.

Optionally, in the embodiment of the present application, when the first feedback information is transmitted on the time unit corresponding to the first value, the COT where the first feedback information is located is the same as the COT where the downlink control signaling is located.

It should be understood that the network device 700 may correspond to the network device in the method 500, and the corresponding operation of the network device in the method 500 may be implemented. For the sake of brevity, details are not described here.

FIG. 8 is a schematic structural diagram of a communication device 800 provided by an embodiment of the present application. The communication device 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from the memory to implement the method in the embodiments of the present application.

Optionally, as shown in FIG. 8, the communication device 800 may further include a memory 820. The processor 810 can call and run a computer program from the memory 820 to implement the method in the embodiments of the present application.

The memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.

Optionally, as shown in FIG. 8, the communication device 800 may further include a transceiver 830, and the processor 810 may control the transceiver 830 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.

Among them, the transceiver 830 may include a transmitter and a receiver. The transceiver 830 may further include antennas, and the number of antennas may be one or more.

Optionally, the communication device 800 may specifically be a network device according to an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .

Optionally, the communication device 800 may specifically be a terminal device according to an embodiment of the present application, and the communication device 800 may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application. .

9 is a schematic structural diagram of a chip according to an embodiment of the present application. The chip 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.

Optionally, as shown in FIG. 9, the chip 900 may further include a memory 920. The processor 910 can call and run a computer program from the memory 920 to implement the method in the embodiments of the present application.

The memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.

Optionally, the chip 900 may further include an input interface 930. The processor 910 can control the input interface 930 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.

Optionally, the chip 900 may further include an output interface 940. The processor 910 can control the output interface 940 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.

Optionally, the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.

Optionally, the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, no further description is provided here.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chips, system chips, chip systems, or system-on-chip chips.

It should be understood that the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities. In the implementation process, each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software. The above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed. The general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor. The software module may be located in a mature storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and registers. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

It can be understood that the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. Among them, the non-volatile memory may be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erasable programmable read only memory (Electrically, EPROM, EEPROM) or flash memory. The volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache. By way of example but not limitation, many forms of RAM are available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synchlink DRAM, SLDRAM) ) And direct memory bus random access memory (Direct Rambus RAM, DR RAM). It should be noted that the memories of the systems and methods described herein are intended to include, but are not limited to these and any other suitable types of memories.

It should be understood that the foregoing memory is exemplary but not limiting, for example, the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous) DRAM (SDRAM), double data rate synchronous dynamic random access memory (double data) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.

10 is a schematic block diagram of a communication system 1000 provided by an embodiment of the present application. As shown in FIG. 10, the communication system 1000 includes a terminal device 1010 and a network device 1020.

Among them, the terminal device 1010 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 1020 can be used to implement the corresponding functions implemented by the network device in the above method. .

Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.

Optionally, the computer-readable storage medium may be applied to the terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiments of the present application. No longer.

Optionally, the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application. For brevity, here No longer.

An embodiment of the present application also provides a computer program product, including computer program instructions.

Optionally, the computer program product can be applied to the terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. Repeat again.

Optionally, the computer program product may be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.

An embodiment of the present application also provides a computer program.

Optionally, the computer program can be applied to the terminal device in the embodiments of the present application. When the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the terminal device in each method of the embodiments of the present application. , Will not repeat them here.

Optionally, the computer program can be applied to the network device in the embodiment of the present application. When the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. , Will not repeat them here.

Those of ordinary skill in the art may realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed in hardware or software depends on the specific application of the technical solution and design constraints. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

Those skilled in the art can clearly understand that for the convenience and conciseness of the description, the specific working process of the system, device and unit described above can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, device, and method may be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a division of logical functions. In actual implementation, there may be other divisions, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.

If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on such an understanding, the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

The above is only the specific implementation of this application, but the scope of protection of this application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in this application. It should be covered by the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (52)

1. A communication method, characterized in that the method includes:

   The terminal device receives downlink control signaling sent by the network device, where the downlink control signaling includes a first information domain and a second information domain;

   When the value of the first information field is a first value, the second information field is used to indicate a first parameter, and the first parameter is used to transmit first feedback on a time unit corresponding to the first value information;

   When the value of the first information field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.
2. The method of claim 1, wherein the first parameter includes at least one of the following:

   Physical resource parameters of the physical uplink control channel PUCCH carrying the first feedback information;

   The power parameter of the PUCCH carrying the first feedback information.
3. The method according to claim 1 or 2, wherein the second parameter includes at least one of the following:

   Group information, the group is the signaling or channel group where the downlink control signaling or the data channel scheduled by the downlink control signaling is located, or the group is the downlink control signaling or the downlink control signal The downlink resource group occupied by the scheduled data channel;

   The number of downlink control signaling or data channels sent corresponding to the group.
4. The method according to claim 3, wherein the downlink resource group is a downlink burst or a channel occupation time COT.
5. The method according to any one of claims 1 to 4, wherein the first value is greater than or equal to a first threshold and less than or equal to a second threshold.
6. The method according to any one of claims 1 to 5, wherein the second value is greater than or equal to a third threshold, or less than or equal to a fourth threshold, or is infinity or infinity.
7. The method according to claim 3 or 4, wherein when the second information field is used to indicate a second parameter other than the first parameter, the method further comprises:

   The terminal device receives trigger signaling, wherein the trigger signaling indicates at least one of the groups;

   The terminal device sends second feedback information, where the second feedback information includes at least one piece of feedback information corresponding to the group.
8. The method according to claim 7, wherein the bit of the second feedback information is determined based on the following:

   The number of at least one of the groups, and the amount of feedback information corresponding to each group.
9. The method according to claim 8, wherein the quantity of feedback information corresponding to each group is the quantity of the downlink control signaling sent or the downlink control signaling corresponding to each group Determined by the number of corresponding data channels; or,

   The quantity of feedback information corresponding to each group is preset on the terminal device; or

   The amount of feedback information corresponding to each group is configured by the network device.
10. The method according to any one of claims 1 to 9, wherein when the first feedback information is transmitted on a time unit corresponding to the first value, the COT of the first feedback information and the The COT where the downlink control signaling is located is the same.
11. A communication method, characterized in that the method includes:

    The network device sends downlink control signaling to the terminal device, where the downlink control signaling includes a first information domain and a second information domain;

    When the value of the first information field is a first value, the second information field is used to indicate a first parameter, and the first parameter is used to transmit first feedback on a time unit corresponding to the first value information;

    When the value of the first information field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.
12. The method according to claim 11, wherein the first parameter includes at least one of the following:

    Physical resource parameters of the physical uplink control channel PUCCH carrying the first feedback information;

    The power parameter of the PUCCH carrying the first feedback information.
13. The method according to claim 11 or 12, wherein the second parameter includes at least one of the following:

    Group information, the group is the signaling or channel group where the downlink control signaling or the data channel scheduled by the downlink control signaling is located, or the group is the downlink control signaling or the downlink control signal The downlink resource group occupied by the scheduled data channel;

    The number of downlink control signaling or data channels sent corresponding to the group.
14. The method according to claim 13, wherein the downlink resource group is a downlink burst or a channel occupation time COT.
15. The method according to any one of claims 11 to 14, wherein the first value is greater than or equal to a first threshold and less than or equal to a second threshold.
16. The method according to any one of claims 11 to 15, wherein the second value is greater than or equal to a third threshold, or less than or equal to a fourth threshold, or infinity or infinity.
17. The method according to claim 13 or 14, wherein when the second information field is used to indicate a second parameter other than the first parameter, the method further comprises:

    The network device sends trigger signaling to the terminal device, where the trigger signaling indicates at least one of the groups;

    The network device receives second feedback information sent by the terminal device, where the second feedback information includes feedback information corresponding to the at least one group.
18. The method according to claim 17, wherein the number of bits of the second feedback information is determined based on the following:

    The number of the at least one group, and the number of feedback information corresponding to each group.
19. The method according to claim 18, wherein the quantity of feedback information corresponding to each group is the quantity of the downlink control signaling sent or the downlink control signaling corresponding to each group The number of corresponding data channels is determined.
20. The method of claim 18, further comprising:

    The network device configures the terminal device with the amount of feedback information corresponding to each group.
21. The method according to any one of claims 11 to 20, wherein when the first feedback information is transmitted on a time unit corresponding to the first value, the COT where the first feedback information is located is The COT where the downlink control signaling is located is the same.
22. A terminal device is characterized by comprising:

    A communication unit, configured to receive downlink control signaling sent by a network device, where the downlink control signaling includes a first information domain and a second information domain;

    When the value of the first information field is a first value, the second information field is used to indicate a first parameter, and the first parameter is used to transmit first feedback on a time unit corresponding to the first value information;

    When the value of the first information field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.
23. The terminal device according to claim 22, wherein the first parameter includes at least one of the following:

    Physical resource parameters of the physical uplink control channel PUCCH carrying the first feedback information;

    The power parameter of the PUCCH carrying the first feedback information.
24. The terminal device according to claim 22 or 23, wherein the second parameter includes at least one of the following:

    Group information, the group is the signaling or channel group where the downlink control signaling or the data channel scheduled by the downlink control signaling is located, or the group is the downlink control signaling or the downlink control signal The downlink resource group occupied by the scheduled data channel;

    The number of downlink control signaling or data channels sent corresponding to the group.
25. The terminal device according to claim 24, wherein the downlink resource group is a downlink burst or a channel occupation time COT.
26. The terminal device according to any one of claims 22 to 25, wherein the first value is greater than or equal to the first threshold and less than or equal to the second threshold.
27. The terminal device according to any one of claims 22 to 26, wherein the second numerical value is greater than or equal to a third threshold, or less than or equal to a fourth threshold, or is infinity or infinity.
28. The terminal device according to claim 24 or 25, wherein when the second information field is used to indicate a second parameter other than the first parameter, the communication unit is further used to:

    Receiving trigger signaling, wherein the trigger signaling indicates at least one of the groups;

    Sending second feedback information, where the second feedback information includes at least one piece of feedback information corresponding to the group.
29. The terminal device according to claim 28, wherein the bit of the second feedback information is determined based on the following:

    The number of at least one of the groups, and the amount of feedback information corresponding to each group.
30. The terminal device according to claim 29, wherein the quantity of feedback information corresponding to each group is the quantity of the downlink control signaling sent or the downlink control information corresponding to each group Let the number of corresponding data channels be determined; or,

    The quantity of feedback information corresponding to each group is preset on the terminal device; or

    The amount of feedback information corresponding to each group is configured by the network device.
31. The terminal device according to any one of claims 22 to 30, wherein when the first feedback information is transmitted on the time unit corresponding to the first value, the COT and the location where the first feedback information is located The COT where the downlink control signaling is located is the same.
32. A network device, characterized in that it includes:

    A communication unit, configured to send downlink control signaling to the terminal device, where the downlink control signaling includes a first information domain and a second information domain;

    When the value of the first information field is a first value, the second information field is used to indicate a first parameter, and the first parameter is used to transmit first feedback on a time unit corresponding to the first value information;

    When the value of the first information field is a second value, the second information field is used to indicate a second parameter that is not the first parameter.
33. The network device according to claim 32, wherein the first parameter includes at least one of the following:

    Physical resource parameters of the physical uplink control channel PUCCH carrying the first feedback information;

    The power parameter of the PUCCH carrying the first feedback information.
34. The network device according to claim 32 or 33, wherein the second parameter includes at least one of the following:

    Group information, the group is the signaling or channel group where the downlink control signaling or the data channel scheduled by the downlink control signaling is located, or the group is the downlink control signaling or the downlink control signal The downlink resource group occupied by the scheduled data channel;

    The number of downlink control signaling or data channels sent corresponding to the group.
35. The network device according to claim 34, wherein the downlink resource group is a downlink burst or a channel occupation time COT.
36. The network device according to any one of claims 32 to 35, wherein the first value is greater than or equal to the first threshold and less than or equal to the second threshold.
37. The network device according to any one of claims 32 to 36, wherein the second value is greater than or equal to a third threshold, or less than or equal to a fourth threshold, or infinity or infinity.
38. The network device according to claim 34 or 35, wherein when the second information field is used to indicate a second parameter other than the first parameter, the communication unit is further configured to:

    Sending trigger signaling to the terminal device, wherein the trigger signaling indicates at least one of the groups;

    Receiving second feedback information sent by the terminal device, where the second feedback information includes feedback information corresponding to the at least one group.
39. The network device according to claim 38, wherein the number of bits of the second feedback information is determined based on the following:

    The number of the at least one group, and the number of feedback information corresponding to each group.
40. The network device according to claim 39, wherein the quantity of feedback information corresponding to each group is the quantity of the downlink control signaling sent or the downlink control information corresponding to each group Let the number of corresponding data channels be determined.
41. The network device according to claim 39, wherein the network device further comprises:

    The processing unit is configured to configure the terminal device with the quantity of feedback information corresponding to each group.
42. The network device according to any one of claims 32 to 41, wherein when the first feedback information is transmitted on a time unit corresponding to the first value, the COT and the location where the first feedback information is located The COT where the downlink control signaling is located is the same.
43. A terminal device, characterized by comprising: a processor and a memory, the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and executes as claimed in claims 1 to The method of any one.
44. A network device, characterized by comprising: a processor and a memory, the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory, executing The method of any one.
45. A chip, characterized by comprising: a processor for calling and running a computer program from a memory, so that a device installed with the chip executes the method according to any one of claims 1 to 10.
46. A chip, characterized by comprising: a processor for calling and running a computer program from a memory, so that a device installed with the chip executes the method according to any one of claims 11 to 21.
47. A computer-readable storage medium, characterized by being used to store a computer program, the computer program causing a computer to execute the method according to any one of claims 1 to 10.
48. A computer-readable storage medium, characterized by being used to store a computer program, the computer program causing a computer to execute the method according to any one of claims 11 to 21.
49. A computer program product, characterized in that it includes computer program instructions, which cause the computer to execute the method according to any one of claims 1 to 10.
50. A computer program product, characterized in that it includes computer program instructions, which cause the computer to execute the method according to any one of claims 11 to 21.
51. A computer program, characterized in that the computer program causes a computer to execute the method according to any one of claims 1 to 10.
52. A computer program, characterized in that the computer program causes a computer to execute the method according to any one of claims 11 to 21.

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