A HARQ information transmission method and device, and computer storage medium

Abstract

The present invention discloses a method and device for transmitting HARQ information, and a computer storage medium. The method comprises: a terminal device determines a first uplink time unit, the first uplink time unit is a time unit used by the terminal device to send first uplink control information, the first uplink control information comprises first HARQ information, the first HARQ information is at least one HARQ information corresponding to a first downlink data channel received by the terminal device, the first downlink data channel comprises at least one downlink data channel, the first downlink data channel is sent via at least one downlink time unit within a first time period; the terminal device sends the first uplink control information on the first uplink time unit.

Description

[0001] This application is a divisional application of the PCT international patent application PCT / CN2018 / 076667 with an application date of February 13, 2018, which has entered the Chinese national phase with Chinese patent application number 201880088707.9 and the invention name being “A method and device for transmitting HARQ information, and a computer storage medium”. Technical Field

[0002] The present invention relates to the field of wireless communication technology, and in particular to a method and device for transmitting hybrid automatic repeat request (HARQ) information, and a computer storage medium. Background Art

[0003] With the development of wireless communication technology, the Licensed-Assisted Access (LAA-LTE) system based on the Long Term Evolution (LTE) system is based on the carrier aggregation structure, with the carrier on the licensed spectrum as the main carrier, so that the carrier on the unlicensed spectrum is used as the auxiliary carrier to provide services to the terminal device. When the New Radio (NR) system is applied to the unlicensed spectrum, in addition to supporting the Licensed-Assisted Access (LAA) network, it also supports the Standalone (SA) network. Therefore, it is necessary to consider the transmission of the Physical Uplink Control Channel (PUCCH) on the unlicensed spectrum.

[0004] In the NR system, PUCCH includes multiple formats, and each format of PUCCH includes multiple symbol lengths, as shown in Table 1.

[0005] PUCCH format Number of symbols included in PUCCH Number of bits carried on PUCCH 0 1–2 ≤2 1 4–14 ≤2 2 1–2 >2 3 4–14 >2 4 4–14 >2

[0006] Table 1 PUCCH format

[0007] The network device can configure one or more of PUCCH formats 0, 1, 2, 3, and 4 for a terminal device. Among them, the configuration information of a PUCCH resource includes at least the position of the starting symbol of the PUCCH and the number of symbols included in the PUCCH. Specifically, for PUCCH formats 0 and 2, the number of symbols included in the corresponding PUCCH is 1 or 2; for PUCCH formats 1, 3, and 4, the number of symbols included in the corresponding PUCCH is any number from 4 to 14.

[0008] The network device dynamically indicates the time domain position of the PUCCH resource of the terminal device through the downlink control information (DCI). For example, the network device determines it through the PDSCH-HARQ indication information (Physical Downlink Shared CHannel-Hybrid Automatic Repeat reQuest feedback time indication information) in the DCI. Figure 1 As shown, it should be understood that DCI is carried in Figure 1 For example, the network device schedules a PDSCH transmission via PDCCH in time unit #0, and the PDCCH indicates the PDSCH-HARQ feedback time n+k of the uplink feedback corresponding to the PDSCH, where k=5. Figure 1 It is assumed that PDCCH and PDSCH are in the same time unit. After receiving PDSCH in the nth time unit, the terminal device feeds back the HARQ information corresponding to the PDSCH in the n+5th time unit, that is, Figure 1 PUCCH is transmitted on time unit #5 in the time unit, and the PUCCH carries HARQ information corresponding to the PDSCH on time unit #0.

[0009] Before sending a signal, the terminal device needs to detect the channel on the unlicensed spectrum through the clear channel assessment (CCA). PUCCH can be sent only when the channel is idle, otherwise it cannot be sent. If a fixed PDSCH-HARQ feedback time is used, the PUCCH resources determined according to the PDSCH-HARQ feedback time will be scattered, thus affecting the uplink scheduling of the network device. Summary of the invention

[0010] In order to solve the above technical problems, the embodiments of the present invention provide a method and device for transmitting HARQ information, and a computer storage medium.

[0011] In a first aspect, a method for transmitting HARQ information is provided, including:

[0012] The terminal device determines a first uplink time unit, where the first uplink time unit is a time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first HARQ information, where the first HARQ information is at least one HARQ information corresponding to a first downlink data channel received by the terminal device, where the first downlink data channel includes at least one downlink data channel;

[0013] The terminal device sends the first uplink control information in the first uplink time unit.

[0014] Optionally, the first downlink data channel is sent via at least one downlink time unit in a first time period.

[0015] In an optional implementation, the last downlink time unit included in the first time period is the first downlink time unit, and the time distance between the first downlink time unit and the first uplink time unit is greater than or equal to the first timing value.

[0016] In an optional implementation manner, the first timing value is specified by a communication system; or,

[0017] The first timing value is indicated by the network device through physical layer signaling; or,

[0018] The first timing value is configured by the network device through high-layer signaling.

[0019] In an optional implementation, the first downlink time unit included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value.

[0020] In an optional implementation manner, the second timing value is specified by a communication system; or,

[0021] The second timing value is indicated by the network device through physical layer signaling; or,

[0022] The second timing value is configured by the network device through high-layer signaling.

[0023] It should be understood that by determining to feedback the HARQ information corresponding to the PDSCH transmitted within a period of time on a time unit based on the first timing value and / or the second timing value, the network device can more centrally allocate the time units for transmitting uplink feedback information, thereby more flexibly determining the uplink and downlink resource allocation on the unlicensed carrier.

[0024] In an optional implementation, the method further includes:

[0025] The terminal device transmits the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

[0026] It should be understood that using at least two uplink time units (eg, a first uplink time unit and a second uplink time unit) to transmit the first uplink control information can improve the probability of correct transmission of the first uplink control information, thereby ensuring the performance of the communication link.

[0027] In an optional implementation, the method further includes:

[0028] The terminal device determines a third uplink time unit, where the third uplink time unit is a time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel;

[0029] The terminal device sends the second uplink control information in the third uplink time unit.

[0030] Optionally, the second downlink data channel is sent via at least one downlink time unit in a second time period.

[0031] In an optional implementation manner, the second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

[0032] In an optional implementation manner, the second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

[0033] In an optional implementation, the first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

[0034] In a second aspect, a method for transmitting HARQ information is provided, including:

[0035] The network device sends first information to the terminal device, where the first information is used to indicate a first uplink time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first HARQ information, where the first HARQ information is at least one HARQ information corresponding to a first downlink data channel received by the terminal device, where the first downlink data channel includes at least one downlink data channel;

[0036] The network device receives the first uplink control information in the first uplink time unit.

[0037] Optionally, the first downlink data channel is sent via at least one downlink time unit in a first time period.

[0038] In an optional implementation, the last downlink time unit included in the first time period is the first downlink time unit, and the time distance between the first downlink time unit and the first uplink time unit is greater than or equal to the first timing value.

[0039] In an optional implementation manner, the first timing value is specified by a communication system; or,

[0040] The first timing value is indicated by the network device through physical layer signaling; or,

[0041] The first timing value is configured by the network device through high-layer signaling.

[0042] In an optional implementation, the first downlink time unit included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value.

[0043] In an optional implementation manner, the second timing value is specified by a communication system; or,

[0044] The second timing value is indicated by the network device through physical layer signaling; or,

[0045] The second timing value is configured by the network device through high-layer signaling.

[0046] In an optional implementation, the method further includes:

[0047] The network device receives the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

[0048] It should be understood that using at least two uplink time units (eg, a first uplink time unit and a second uplink time unit) to receive the first uplink control information can improve the probability of correct transmission of the first uplink control information, thereby ensuring the performance of the communication link.

[0049] In an optional implementation, the method further includes:

[0050] The network device sends second information to the terminal device, where the second information is used to indicate a third uplink time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel;

[0051] The network device receives the second uplink control information in the third uplink time unit.

[0052] Optionally, the second downlink data channel is sent via at least one downlink time unit in a second time period.

[0053] In an optional implementation manner, the second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

[0054] In an optional implementation manner, the second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

[0055] In an optional implementation, the first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

[0056] In a third aspect, an information transmission device is provided, which is used to execute the method in the first aspect or any possible implementation of the first aspect. Specifically, the device includes a unit for executing the method in the first aspect or any possible implementation of the first aspect.

[0057] In a fourth aspect, an information transmission device is provided, which is used to execute the method in the second aspect or any possible implementation of the second aspect. Specifically, the device includes a unit for executing the method in the second aspect or any possible implementation of the second aspect.

[0058] In a fifth aspect, a device for transmitting information is provided, the device comprising: a memory, a processor, an input interface, and an output interface. The memory, the processor, the input interface, and the output interface are connected via a bus system. The memory is used to store instructions, and the processor is used to execute the instructions stored in the memory, so as to execute the method in the first aspect or any possible implementation of the first aspect.

[0059] In a sixth aspect, a device for transmitting information is provided, the device comprising: a memory, a processor, an input interface, and an output interface. The memory, the processor, the input interface, and the output interface are connected via a bus system. The memory is used to store instructions, and the processor is used to execute the instructions stored in the memory, so as to execute the method in the second aspect or any possible implementation of the second aspect.

[0060] In a seventh aspect, a computer storage medium is provided for storing computer software instructions for executing the method in the first aspect or any possible implementation of the first aspect, which includes a program designed for executing the above aspect.

[0061] In an eighth aspect, a computer storage medium is provided for storing computer software instructions for executing the method in the second aspect or any possible implementation of the second aspect, which includes a program designed for executing the above aspect.

[0062] In a ninth aspect, a computer program product comprising instructions is provided, which, when executed on a computer, enables the computer to execute the method in the first aspect or any optional implementation of the first aspect.

[0063] In a tenth aspect, a computer program product comprising instructions is provided, which, when executed on a computer, enables the computer to execute the method in the second aspect or any optional implementation of the second aspect.

[0064] In the technical solution of the embodiment of the present invention, the terminal device determines a first uplink time unit, the first uplink time unit is a time unit for the terminal device to send first uplink control information, the first uplink control information includes first HARQ information, the first HARQ information is at least one HARQ information corresponding to the first downlink data channel received by the terminal device, the first downlink data channel includes at least one downlink data channel, and the first downlink data channel is sent through at least one downlink time unit in a first time period; the terminal device sends the first uplink control information in the first uplink time unit. Using the technical solution of the embodiment of the present invention, when feeding back uplink control information on an unlicensed carrier, one or more downlink time units corresponding to the PUCCH are determined based on the time unit where the PUCCH is located, so that the HARQ information corresponding to the PDSCH transmitted on the one or more downlink time units is fed back on the PUCCH. Through this flexible HARQ feedback method, the network device can flexibly and effectively allocate uplink and downlink resources on the unlicensed spectrum while ensuring the delay and performance of the entire communication link. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0066] Figure 1 A time domain diagram of PDSCH-HARQ feedback;

[0067] Figure 2 Schematic diagram of the process of the HARQ information transmission method according to an embodiment of the present invention Figure 1 ;

[0068] Figure 3 Schematic diagram of the process of the HARQ information transmission method according to an embodiment of the present invention Figure 2 ;

[0069] Figure 4 A time domain schematic diagram of PDSCH-HARQ feedback in an embodiment of the present invention;

[0070] Figure 5 A schematic diagram of the structure of a HARQ information transmission device according to an embodiment of the present invention Figure 1 ;

[0071] Figure 6 A schematic diagram of the structure of a HARQ information transmission device according to an embodiment of the present invention Figure 2 ;

[0072] Figure 7The figure is a schematic diagram of the structure of a computer device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0073] To facilitate understanding of the technical solutions of the embodiments of the present invention, the relevant technologies involved in the embodiments of the present invention are described below.

[0074] 1) Unlicensed spectrum

[0075] Unlicensed spectrum is a spectrum that can be used for radio equipment communication divided by countries and regions. This spectrum is generally considered to be a shared spectrum, that is, as long as the communication equipment in different communication systems meets the regulatory requirements set by the country or region on the spectrum, they can use the spectrum without applying for exclusive spectrum authorization from the government. In order to allow various communication systems that use unlicensed spectrum for wireless communication to coexist in a friendly manner on the spectrum, some countries or regions have stipulated regulatory requirements that must be met when using unlicensed spectrum. For example, in Europe, communication equipment follows the Listen Before Talk (LBT) principle, that is, before a communication device sends a signal on a channel of unlicensed spectrum, it needs to first perform channel sensing. Only when the channel sensing result is that the channel is idle, the communication device can send a signal; if the channel sensing result of the communication device on the channel of unlicensed spectrum is that the channel is busy, the communication device cannot send a signal. And in order to ensure fairness, in one transmission, the duration of the communication device using the channel of unlicensed spectrum for signal transmission cannot exceed the maximum channel occupancy time (MCOT, Maximum Channel Occupation Time). For another example, in order to avoid sub-band interference to signals transmitted on unlicensed spectrum channels, and to improve the detection accuracy of communication equipment when detecting channels on unlicensed spectrum, signals transmitted on unlicensed spectrum channels need to occupy at least a certain proportion of the channel bandwidth, for example, 80% of the channel bandwidth is occupied by signals in the 5GHz band, and 70% of the channel bandwidth is occupied by signals in the 60GHz band. For another example, in order to avoid excessive power of signals transmitted on unlicensed spectrum channels, which may affect the transmission of other important signals on the channel, such as radar signals, the regulations stipulate the maximum power spectral density when communication equipment uses unlicensed spectrum channels for signal transmission.

[0076] 2) Network architecture

[0077] Embodiments of the present invention can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Universal Mobile Telecommunication System (UMTS), LTE system and evolved systems of LTE system, such as advanced long term evolution (LTE-A) system, NR system and evolved systems of NR system, such as NR (NR-U, NR-based access to Unlicensed spectrum) system on unlicensed spectrum, or next generation communication system, etc.

[0078] Generally speaking, traditional communication systems support a limited number of connections and are easy to implement. However, with the development of communication technology, mobile communication systems will not only support traditional communications, but will also support, for example, device-to-device (D2D) communication, machine-to-machine (M2M) communication, machine-type communication (MTC), and vehicle-to-vehicle (V2V) communication.

[0079] The communication system in the embodiment of the present invention can be applied to a carrier aggregation (CA) scenario, a dual connectivity (DC) scenario, and a standalone (SA) networking scenario.

[0080] The present invention describes various embodiments in conjunction with a network device and a terminal device, wherein:

[0081] The terminal device may also be referred to as user equipment (UE), access terminal, 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. The terminal device may be a station (ST, STAION) in a wireless local area network (WLAN), a cellular phone, a cordless phone, a session initiation protocol (SIP, Session Initiation Protocol) phone, a wireless local loop (WLL, Wireless Local Loop) station, a personal digital processing (PDA, Personal Digital Assistant) device, a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, and a next-generation communication system, for example, a terminal device in a fifth-generation communication (5G, fifth-generation) network or a terminal device in a future-evolved public land mobile network (PLMN, Public Land Mobile Network) network, etc.

[0082] As an example but not limitation, in an embodiment of the present invention, the terminal device may also be a wearable device. Wearable devices may also be called wearable smart devices, which are a general term for wearable devices that are intelligently designed and developed using wearable technology for daily wear, such as glasses, gloves, watches, clothing, and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothes or accessories. Wearable devices are not only hardware devices, but also powerful functions achieved through software support, data interaction, and cloud interaction. Broadly speaking, wearable smart devices include full-featured, large-sized, and independent of smartphones to achieve complete or partial functions, such as smart watches or smart glasses, as well as those that only focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various types of smart bracelets and smart jewelry for vital sign monitoring.

[0083] The network device can be a device used to communicate with a mobile device. The network device can be an access point (AP) in WLAN, a base station (BTS) in GSM or CDMA, a base station (NB, NodeB) in WCDMA, an evolved base station (eNB or eNodeB, EvolutionalNode B) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, a network device in a NR network, or a network device in a future evolved PLMN network, etc.

[0084] In an embodiment of the present invention, a network device provides services for a cell, and a terminal device communicates with the network device through transmission resources (e.g., frequency domain resources, or spectrum resources) used by the cell. The cell may be a cell corresponding to a network device (e.g., a base station). The cell may belong to a macro base station or a base station corresponding to a small cell. The small cells here may include: a metro cell, a micro cell, a pico cell, a femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.

[0085] In an embodiment of the present invention, multiple cells can work at the same frequency on a carrier in an LTE system or NR system at the same time. In some special scenarios, the above-mentioned carrier and the cell can be considered to be equivalent. For example, in a CA scenario, when a secondary carrier is configured for a UE, the carrier index of the secondary carrier and the cell identifier (CellID, Cell Identify) of the secondary cell working on the secondary carrier are carried at the same time. In this case, the carrier and the cell can be considered to be equivalent, for example, UE accessing a carrier is equivalent to accessing a cell.

[0086] It should be noted that the physical uplink control channel (PUCCH) in the embodiment of the present invention can be the PUCCH in the LTE system, the PUCCH in the NR system, or the uplink control channel in other systems, and the present invention is not limited to this.

[0087] In the embodiment of the present invention, the uplink control information may include at least one of hybrid automatic repeat request (HARQ) information, channel state information (CSI), scheduling request (SR) information, and other control information sent by the UE. Among them, the CSI information includes at least one of rank indication (RI) information, precoding indication (PMI) information, and channel quality indication (CQI) information.

[0088] In the embodiment of the present invention, the uplink control information may be transmitted through the PUCCH, or may be transmitted through a physical uplink shared channel (PUSCH), which is not limited in the present invention.

[0089] Optionally, in the embodiment of the present invention, a downlink transmission opportunity may be defined as one or more continuous time units for transmitting downlink information. Similarly, an uplink transmission opportunity may be defined as one or more continuous time units for transmitting uplink information.

[0090] In the embodiment of the present invention, a time unit may be defined as one or more subframes, one or more time slots, or one or more mini-time slots or symbols, etc. The start time unit and / or end time unit of a downlink transmission opportunity or an uplink transmission opportunity may be a complete time unit or a partial time unit, etc., which is not limited in the embodiment of the present invention.

[0091] Optionally, a time unit in the present invention may refer to a complete time unit or an incomplete time unit. For example, for an uplink time unit, it may refer to all symbols in a time unit being used for uplink transmission or it may refer to some symbols in a time unit being used for uplink transmission, which is not limited in the present invention.

[0092] The technical solution of the embodiment of the present invention introduces a flexible PDSCH-HARQ feedback time (or timing) in the NR-U system, thereby ensuring the delay and performance of the entire communication link.

[0093] Figure 2 Schematic diagram of the process of the HARQ information transmission method according to an embodiment of the present invention Figure 1 In the embodiment of the present invention, Figure 2 As shown, the HARQ information transmission method includes the following steps:

[0094] Step 201: The terminal device determines a first uplink time unit, where the first uplink time unit is a time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first hybrid automatic retransmission request HARQ information, where the first HARQ information is at least one HARQ information corresponding to a first downlink data channel received by the terminal device, and where the first downlink data channel includes at least one downlink data channel.

[0095] Optionally, the first downlink data channel is sent via at least one downlink time unit in a first time period.

[0096] In an embodiment of the present application, the first uplink control information includes at least one HARQ information corresponding to at least one downlink data channel demodulated within a first time period (i.e., one or more fixed time units). There is a downlink time unit in the first time period here, however, there is no limitation on whether there is an uplink time unit in the first time period, that is: the first time period may include an uplink time unit, or may not include an uplink time unit.

[0097] For example: the first time period includes M downlink time units, and these M downlink time units are used to send a first downlink data channel, for example, N downlink data channels (optionally, N is a positive integer less than or equal to M). The first uplink control information sent by the terminal device in the first uplink time unit includes HARQ information corresponding to these N downlink data channels.

[0098] Optionally, the terminal device receives first information sent by the network device, where the first information is used to indicate the time domain position of the first uplink time unit.

[0099] Step 202: The terminal device sends the first uplink control information in the first uplink time unit.

[0100] In the embodiment of the present application, the positional relationship between the first time period and the first uplink time unit may be determined by at least one of the following methods:

[0101] 1) The last downlink time unit included in the first time period is a first downlink time unit, and a time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

[0102] Optionally, the first timing value is specified by a communication system; or,

[0103] The first timing value is indicated by the network device through physical layer signaling; or,

[0104] The first timing value is configured by the network device through high-layer signaling.

[0105] Optionally, the first timing value is determined according to the HARQ processing capability of the terminal device.

[0106] Optionally, the first timing value is determined according to the priority of a service transmitted on the first downlink data channel.

[0107] 2) The first downlink time unit included in the first time period is a second downlink time unit, and the time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value.

[0108] Optionally, the second timing value is specified by a communication system; or,

[0109] The second timing value is indicated by the network device through physical layer signaling; or,

[0110] The second timing value is configured by the network device through high-layer signaling.

[0111] Optionally, the second timing value is greater than the first timing value.

[0112] In an embodiment of the present application, the unit of time distance may be a time unit, and the unit of timing value may also be a time unit. Taking the definition of time distance as an example, the time distance between time unit #2 and time unit #3 is 1 time unit; the time distance between time unit #5 and time unit #8 is 3 time units. Taking the definition of timing value as an example, assuming that the first timing value is 3 time units, the second timing value is 5 time units, and the time unit used to transmit the first uplink control information is time unit #8, then the HARQ information corresponding to the downlink data channel transmitted on time unit #3, time unit #4, and time unit #5 is fed back on time unit #8.

[0113] In one embodiment, the terminal device transmits the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

[0114] Here, the first uplink control information may be repeatedly transmitted in multiple uplink time units. If the transmission of the first uplink control information in the first uplink time unit fails, the first uplink control information is repeatedly transmitted in the second uplink time unit located after the first uplink time unit to increase the probability of sending the first uplink control information.

[0115] Optionally, the terminal device determines the time domain position of the second uplink time unit according to the indication information received from the network device. For example, the first information is also used to indicate the time domain position of the second uplink time unit.

[0116] In an embodiment of the present application, the first uplink control information includes at least one HARQ information of at least one downlink data channel within a first time period (i.e., a fixed time unit). Similarly, the second uplink control information may include at least one HARQ information of at least one downlink data channel within a second time period.

[0117] In this case, the terminal device determines a third uplink time unit, and the third uplink time unit is a time unit used by the terminal device to send second uplink control information, the second uplink control information includes second HARQ information, the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, the second downlink data channel includes at least one downlink data channel, and the second downlink data channel is sent through at least one downlink time unit within a second time period; the terminal device sends the second uplink control information on the third uplink time unit.

[0118] Optionally, the terminal device receives second information sent by the network device, where the second information is used to indicate the time domain position of the third uplink time unit.

[0119] Optionally, the second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

[0120] Optionally, the second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit. Further, the first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit. That is, the third HARQ information is sent on the first uplink time unit, or the third HARQ information is sent on the third uplink time unit, or the third HARQ information can be sent on both the first uplink time unit and the third uplink time unit.

[0121] Figure 4 This is a time domain schematic diagram of PDSCH-HARQ feedback in an embodiment of the present invention, referring to Figure 4The time units are numbered as #0 to #9 in a cyclic manner. A downlink transmission on the unlicensed spectrum includes 7 time units, wherein the time unit where the PDSCH is located includes time unit #7, time unit #8, time unit #9, time unit #0, time unit #1, time unit #2, and part of the time unit #3. In addition, the first PUCCH (i.e., the first PUCCH) resource is located in time unit #6, and the second PUCCH (i.e., the third PUCCH) resource is located after the first PUCCH resource. In an embodiment of the present application, the HARQ to be fed back on the time unit can be determined based on the time unit where the PUCCH is located. For example, there is a PUCCH resource in time unit n1 (i.e., the first uplink time unit), wherein the PUCCH resource is used to transmit the HARQ to be fed back corresponding to the PDSCH in the time unit before time unit n1-k1 (including time unit n1-k1) and / or after time unit n1-k2 (including time unit n1-k2), wherein n1 represents the time unit where the PUCCH is located, k1 is the first timing value, and k2 is the second timing value.

[0122] Optionally, the network device in the downlink time unit (such as Figure 4 A PUCCH transmission is scheduled through PDCCH in time unit #3), wherein the PDCCH indicates that the time unit corresponding to n2+m is the time domain position of the PUCCH, wherein n2 represents the time unit where the PDCCH is located, and m is the third timing value.

[0123] Optionally, for a UE, a time unit of downlink transmission corresponding to a PUCCH resource is fixed, that is, HARQ information transmitted on a PUCCH resource is fixed.

[0124] Figure 4 FIG. 4 is a schematic diagram showing the HARQ information after PDSCH demodulation in the first time period to be fed back on the first PUCCH resource. Figure 4 As shown, for the first PUCCH resource on time unit #6 (i.e., the first uplink time unit), k1=6, k2=9, the first time period includes time units #7, #8, #9, #0, and accordingly, the HARQ information corresponding to the PDSCH transmitted on time units #7, #8, #9, #0 can be sent to the network device through the first PUCCH resource. That is, the HARQ information (i.e., the first uplink control information) transmitted on the first PUCCH resource is fixed.

[0125] Optionally, if the UE fails to transmit on the first PUCCH resource, for example, the UE fails to detect the channel before the first PUCCH resource, the UE may transmit on a third PUCCH resource. The third PUCCH resource is a PUCCH resource after the first PUCCH resource, and the PUCCH format corresponding to the third PUCCH resource may be the same as or different from the format corresponding to the first PUCCH resource.

[0126] Figure 4 The schematic diagram also shows that the HARQ information after PDSCH demodulation in the second time period should be fed back on the first PUCCH resource. Figure 4 As shown, for the second PUCCH resource on time unit #9 (i.e., the third uplink time unit), k1=4, k2=8, the second time period includes time units #1, #2, #3, #4, #5, where time units #4 and #5 are uplink time units, and accordingly, the HARQ information corresponding to the PDSCH transmitted on time units #1, #2, and #3 can be sent to the network device via the second PUCCH resource. That is, the HARQ information (i.e., the second uplink control information) transmitted on the second PUCCH resource is also fixed.

[0127] Optionally, if the UE fails to transmit on the second PUCCH resource, for example, the UE fails to detect the channel before the second PUCCH resource, the UE may transmit on the fourth PUCCH resource. The fourth PUCCH resource is a PUCCH resource after the second PUCCH resource, and the PUCCH format corresponding to the fourth PUCCH resource may be the same as or different from the format corresponding to the second PUCCH resource.

[0128] By adopting the technical solution of the embodiment of the present invention, when feeding back uplink control information on the unlicensed carrier, one or more downlink time units corresponding to the PUCCH are determined based on the time unit where the PUCCH is located, so that the HARQ feedback information corresponding to the PDSCH transmitted on the one or more downlink time units is fed back on the PUCCH. Through this flexible HARQ feedback method, the network equipment can flexibly and effectively allocate uplink and downlink resources on the unlicensed spectrum while ensuring the latency and performance of the entire communication link.

[0129] Figure 3 Schematic diagram of the process of the HARQ information transmission method according to an embodiment of the present invention Figure 2 In the embodiment of the present invention, Figure 3 As shown, the HARQ information transmission method includes the following steps:

[0130] Step 301: The network device sends first information to the terminal device, where the first information is used to indicate a first uplink time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first hybrid automatic retransmission request HARQ information, where the first HARQ information is at least one HARQ information corresponding to a first downlink data channel received by the terminal device, and where the first downlink data channel includes at least one downlink data channel.

[0131] Step 302: The network device receives the first uplink control information in the first uplink time unit.

[0132] Optionally, the first downlink data channel is sent via at least one downlink time unit in a first time period.

[0133] In one implementation, the last downlink time unit included in the first time period is the first downlink time unit, and the time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

[0134] In one embodiment, the first timing value is specified by a communication system; or,

[0135] The first timing value is indicated by the network device through physical layer signaling; or,

[0136] The first timing value is configured by the network device through high-layer signaling.

[0137] In one implementation, the first downlink time unit included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value.

[0138] In one embodiment, the second timing value is specified by a communication system; or,

[0139] The second timing value is indicated by the network device through physical layer signaling; or,

[0140] The second timing value is configured by the network device through high-layer signaling.

[0141] In one embodiment, the method further comprises:

[0142] The network device receives the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

[0143] In one embodiment, the method further comprises:

[0144] The network device sends second information to the terminal device, where the second information is used to indicate a third uplink time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel, and where the second downlink data channel is sent through at least one downlink time unit within a second time period;

[0145] The network device receives the second uplink control information in the third uplink time unit.

[0146] In one implementation, the second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

[0147] In one embodiment, the second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

[0148] In one embodiment, the first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

[0149] Those skilled in the art should understand that the embodiments of the network device side of the present invention can be understood with reference to the embodiments of the terminal device side, and the information feedback method on the network device side and the information feedback method on the terminal device have corresponding processes and effects.

[0150] Figure 5 A schematic diagram of the structure of a HARQ information transmission device according to an embodiment of the present invention Figure 1 In the embodiment of the present invention, Figure 5 As shown, the HARQ information transmission device includes:

[0151] A determining unit 501 is configured to determine a first uplink time unit, where the first uplink time unit is a time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first hybrid automatic repeat request HARQ information, where the first HARQ information is at least one HARQ information corresponding to a first downlink data channel received by the terminal device, where the first downlink data channel includes at least one downlink data channel;

[0152] The first sending unit 502 is configured to send the first uplink control information in the first uplink time unit.

[0153] Optionally, the first downlink data channel is sent via at least one downlink time unit in a first time period.

[0154] In one implementation, the last downlink time unit included in the first time period is the first downlink time unit, and the time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

[0155] In one embodiment, the first timing value is specified by a communication system; or,

[0156] The first timing value is indicated by the network device through physical layer signaling; or,

[0157] The first timing value is configured by the network device through high-layer signaling.

[0158] In one implementation, the first downlink time unit included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value.

[0159] In one embodiment, the second timing value is specified by a communication system; or,

[0160] The second timing value is indicated by the network device through physical layer signaling; or,

[0161] The second timing value is configured by the network device through high-layer signaling.

[0162] In one embodiment, the device further comprises:

[0163] The second sending unit 503 is configured to transmit the first uplink control information in a second uplink time unit, where the second uplink time unit is later than the first uplink time unit.

[0164] In one embodiment, the determining unit 501 is further used to determine a third uplink time unit, where the third uplink time unit is a time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel, and the second downlink data channel is sent via at least one downlink time unit within a second time period;

[0165] The apparatus further includes: a third sending unit 504, configured to send the second uplink control information in the third uplink time unit.

[0166] In one implementation, the second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

[0167] In one embodiment, the second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

[0168] In one embodiment, the first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

[0169] Those skilled in the art should understand that Figure 5 The implementation functions of each unit in the HARQ information transmission device shown can be understood by referring to the relevant description of the aforementioned HARQ information transmission method. Figure 5 The functions of each unit in the HARQ information transmission device shown can be implemented by a program running on a processor, or by a specific logic circuit. It should also be understood that Figure 5 The first sending unit 502 , the second sending unit 503 , and the third sending unit 504 shown may be the same sending unit or different sending units, which is not limited in the present invention.

[0170] Figure 6 A schematic diagram of the structure of a HARQ information transmission device according to an embodiment of the present invention Figure 2 In the embodiment of the present invention, Figure 6 As shown, the HARQ information transmission device includes:

[0171] A sending unit 601 is configured to send first information to a terminal device, where the first information is used to indicate a first uplink time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first hybrid automatic repeat request HARQ information, where the first HARQ information is at least one HARQ information corresponding to a first downlink data channel received by the terminal device, where the first downlink data channel includes at least one downlink data channel;

[0172] The first receiving unit 602 is configured to receive the first uplink control information in the first uplink time unit.

[0173] Optionally, the first downlink data channel is sent via at least one downlink time unit in a first time period.

[0174] In one implementation, the last downlink time unit included in the first time period is the first downlink time unit, and the time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

[0175] In one embodiment, the first timing value is specified by a communication system; or,

[0176] The first timing value is indicated by the network device through physical layer signaling; or,

[0177] The first timing value is configured by the network device through high-layer signaling.

[0178] In one implementation, the first downlink time unit included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value.

[0179] In one embodiment, the second timing value is specified by a communication system; or,

[0180] The second timing value is indicated by the network device through physical layer signaling; or,

[0181] The second timing value is configured by the network device through high-layer signaling.

[0182] In one embodiment, the device further comprises:

[0183] The second receiving unit 603 is configured to receive the first uplink control information in a second uplink time unit, where the second uplink time unit is later than the first uplink time unit.

[0184] In one embodiment, the sending unit 601 is further used to send second information to the terminal device, where the second information is used to indicate a third uplink time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel, and the second downlink data channel is sent through at least one downlink time unit within a second time period;

[0185] The device also includes:

[0186] The third receiving unit 604 is configured to receive the second uplink control information in the third uplink time unit.

[0187] In one implementation, the second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

[0188] In one embodiment, the second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

[0189] In one embodiment, the first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

[0190] Those skilled in the art should understand that Figure 6 The implementation functions of each unit in the HARQ information transmission device shown can be understood by referring to the relevant description of the aforementioned HARQ information transmission method. Figure 6 The functions of each unit in the HARQ information transmission device shown can be implemented by a program running on a processor, or by a specific logic circuit. It should also be understood that Figure 6 The first receiving unit 602 , the second receiving unit 603 , and the third receiving unit 604 shown may be the same receiving unit or different receiving units, which is not limited in the present invention.

[0191] If the transmission device of the HARQ information in the embodiment of the present invention is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present invention can be essentially or partly reflected in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium and includes a number of instructions for a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the methods described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory (ROM, Read Only Memory), a magnetic disk or an optical disk. In this way, the embodiment of the present invention is not limited to any specific combination of hardware and software.

[0192] Correspondingly, an embodiment of the present invention further provides a computer storage medium, in which computer executable instructions are stored. When the computer executable instructions are executed by a processor, the above-mentioned HARQ information transmission method of the embodiment of the present invention is implemented.

[0193] Figure 7 FIG. 1 is a schematic diagram of the structure of a computer device according to an embodiment of the present invention. The computer device may be a terminal device or a network device. Figure 7 As shown, the computer device 100 may include one or more (only one is shown in the figure) processors 1002 (the processor 1002 may include but is not limited to a processing device such as a microprocessor (MCU, Micro Controller Unit) or a programmable logic device (FPGA, Field Programmable Gate Array)), a memory 1004 for storing data, and a transmission device 1006 for communication functions. It can be understood by those skilled in the art that Figure 7 The structure shown is only for illustration and does not limit the structure of the above electronic device. Figure 7 More or fewer components as shown, or with Figure 7 Different configurations shown.

[0194] The memory 1004 can be used to store software programs and modules of application software, such as program instructions / modules corresponding to the method in the embodiment of the present invention. The processor 1002 executes various functional applications and data processing by running the software programs and modules stored in the memory 1004, that is, implementing the above-mentioned method. The memory 1004 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 1004 may further include a memory remotely arranged relative to the processor 1002, and these remote memories may be connected to the computer device 100 via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0195] The transmission device 1006 is used to receive or send data via a network. The specific example of the above network may include a wireless network provided by a communication provider of the computer device 100. In one example, the transmission device 1006 includes a network adapter (NIC, Network Interface Controller), which can be connected to other network devices through a base station so as to communicate with the Internet. In one example, the transmission device 1006 can be a radio frequency (RF, Radio Frequency) module, which is used to communicate with the Internet wirelessly.

[0196] The technical solutions described in the embodiments of the present invention can be combined arbitrarily without conflict.

[0197] In the several embodiments provided by the present invention, it should be understood that the disclosed methods and intelligent devices can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as: multiple units or components can be combined, or can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of the devices or units can be electrical, mechanical or other forms.

[0198] The units described above 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 distributed on multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0199] In addition, all functional units in the embodiments of the present invention may be integrated into a second processing unit, or each unit may be a separate unit, or two or more units may be integrated into one unit; the above-mentioned integrated units may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0200] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A method for transmitting hybrid automatic repeat request (HARQ) information, the method comprising: The terminal device determines a first uplink time unit, where the first uplink time unit is a time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first hybrid automatic retransmission request HARQ information, where the first HARQ information is HARQ information corresponding to a first downlink data channel received by the terminal device, where the first downlink data channel includes N downlink data channels, where the N downlink data channels are sent through M downlink time units within a first time period, where N is equal to M, and N and M are positive integers greater than 1; The first downlink time unit among the M downlink time units included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value; and The terminal device sends the first uplink control information in the first uplink time unit.

2. The method according to claim 1, wherein: The last downlink time unit included in the first time period is a first downlink time unit, and a time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

3. The method according to claim 2, wherein: The first timing value is specified by the communication system; or, The first timing value is indicated by the network device through physical layer signaling; or, The first timing value is configured by the network device through high-layer signaling.

4. The method according to claim 1, wherein: The second timing value is specified by the communication system; or, The second timing value is indicated by the network device through physical layer signaling; or, The second timing value is configured by the network device through high-layer signaling.

5. The method according to any one of claims 1 to 4, wherein: The method further comprises: The terminal device transmits the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

6. The method according to any one of claims 1 to 4, wherein: The method further comprises: The terminal device determines a third uplink time unit, where the third uplink time unit is a time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel, and the second downlink data channel is sent via at least one downlink time unit within a second time period; The terminal device sends the second uplink control information in the third uplink time unit.

7. The method according to claim 6, wherein: The second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

8. The method according to claim 6, wherein: The second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

9. The method according to claim 8, wherein: The first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

10. A method for transmitting hybrid automatic repeat request (HARQ) information, the method comprising: The network device sends first information to the terminal device, where the first information is used to indicate a first uplink time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first hybrid automatic retransmission request HARQ information, where the first HARQ information is HARQ information corresponding to a first downlink data channel received by the terminal device, where the first downlink data channel includes N downlink data channels, where the N downlink data channels are sent through M downlink time units within a first time period, where N is equal to M, and N and M are positive integers greater than 1; The first downlink time unit among the M downlink time units included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value; and The network device receives the first uplink control information in the first uplink time unit.

11. The method according to claim 10, wherein: The last downlink time unit included in the first time period is a first downlink time unit, and a time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

12. The method according to claim 11, wherein: The first timing value is specified by the communication system; or, The first timing value is indicated by the network device through physical layer signaling; or, The first timing value is configured by the network device through high-layer signaling.

13. The method according to claim 10, wherein: The second timing value is specified by the communication system; or, The second timing value is indicated by the network device through physical layer signaling; or, The second timing value is configured by the network device through high-layer signaling.

14. The method according to any one of claims 10 to 13, wherein: The method further comprises: The network device receives the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

15. The method according to any one of claims 10 to 13, wherein: The method further comprises: The network device sends second information to the terminal device, where the second information is used to indicate a third uplink time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel, and where the second downlink data channel is sent through at least one downlink time unit within a second time period; The network device receives the second uplink control information in the third uplink time unit.

16. The method according to claim 15, wherein: The second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

17. The method according to claim 15, wherein: The second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

18. The method according to claim 17, wherein: The first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

19. A transmission device for hybrid automatic repeat request (HARQ) information, the device comprising: a determining unit, configured to determine a first uplink time unit, where the first uplink time unit is a time unit for sending first uplink control information, where the first uplink control information includes first hybrid automatic repeat request HARQ information, where the first HARQ information is HARQ information corresponding to a first downlink data channel, where the first downlink data channel includes N downlink data channels, where the N downlink data channels are sent via M downlink time units within a first time period, where N is equal to M, and where N and M are positive integers greater than 1; The first downlink time unit among the M downlink time units included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value; and The first sending unit is used to send the first uplink control information in the first uplink time unit.

20. The device according to claim 19, wherein The last downlink time unit included in the first time period is a first downlink time unit, and a time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

21. The device according to claim 20, wherein: The first timing value is specified by the communication system; or, The first timing value is indicated by the network device through physical layer signaling; or, The first timing value is configured by the network device through high-layer signaling.

22. The device according to claim 19, wherein The second timing value is specified by the communication system; or, The second timing value is indicated by the network device through physical layer signaling; or, The second timing value is configured by the network device through high-layer signaling.

23. The device according to any one of claims 19 to 22, wherein: The device also includes: The second sending unit is used to transmit the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

24. The device according to any one of claims 19 to 22, wherein: The determining unit is further used to determine a third uplink time unit, where the third uplink time unit is a time unit for sending second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel, where the second downlink data channel includes at least one downlink data channel, and where the second downlink data channel is sent via at least one downlink time unit within a second time period; The device further includes: a third sending unit, configured to send the second uplink control information in the third uplink time unit.

25. The device according to claim 24, wherein: The second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

26. The device according to claim 24, wherein: The second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

27. The device according to claim 26, wherein: The first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

28. A transmission device for hybrid automatic repeat request (HARQ) information, the device comprising: a sending unit, configured to send first information to a terminal device, where the first information is used to indicate a first uplink time unit used by the terminal device to send first uplink control information, where the first uplink control information includes first hybrid automatic retransmission request HARQ information, where the first HARQ information is HARQ information corresponding to a first downlink data channel received by the terminal device, where the first downlink data channel includes N downlink data channels, where the N downlink data channels are sent via M downlink time units within a first time period, where N is equal to M, and N and M are positive integers greater than 1; The first downlink time unit among the M downlink time units included in the first time period is a second downlink time unit, and a time distance between the second downlink time unit and the first uplink time unit is less than or equal to a second timing value; and The first receiving unit is configured to receive the first uplink control information in the first uplink time unit.

29. The device according to claim 28, wherein The last downlink time unit included in the first time period is a first downlink time unit, and a time distance between the first downlink time unit and the first uplink time unit is greater than or equal to a first timing value.

30. The device according to claim 29, wherein: The first timing value is specified by the communication system; or, The first timing value is indicated by the network device through physical layer signaling; or, The first timing value is configured by the network device through high-layer signaling.

31. The apparatus of claim 28, wherein: The second timing value is specified by the communication system; or, The second timing value is indicated by the network device through physical layer signaling; or, The second timing value is configured by the network device through high-layer signaling.

32. The device according to any one of claims 28 to 31, wherein: The device also includes: The second receiving unit is used to receive the first uplink control information in a second uplink time unit, and the second uplink time unit is later than the first uplink time unit.

33. The device according to any one of claims 28 to 31, wherein: The sending unit is further used to send second information to the terminal device, where the second information is used to indicate a third uplink time unit used by the terminal device to send second uplink control information, where the second uplink control information includes second HARQ information, where the second HARQ information is at least one HARQ information corresponding to a second downlink data channel received by the terminal device, where the second downlink data channel includes at least one downlink data channel, and the second downlink data channel is sent via at least one downlink time unit within a second time period; The device also includes: The third receiving unit is used to receive the second uplink control information in the third uplink time unit.

34. The device according to claim 33, wherein The second time period is later than the first time period, and no downlink time unit is included between the first time period and the second time period.

35. The device according to claim 33, wherein The second time period is later than the first time period, and the first time period and the second time period include the same third downlink time unit, and the third downlink time unit includes at least one downlink time unit.

36. The device according to claim 35, wherein The first uplink control information also includes third HARQ information, and / or the second uplink control information also includes the third HARQ information, wherein the third HARQ information is at least one HARQ information corresponding to at least one downlink data channel transmitted on the third downlink time unit.

37. A terminal device, comprising: An input interface and an output interface, a processor and a memory; wherein, The input interface, the output interface, the processor and the memory are connected via a bus system; The memory is used to store a computer program that can be run on the processor; The processor is used to execute the computer program to control the input interface to receive signals and control the output interface to send signals, so as to execute the method according to any one of claims 1 to 9.

38. A network device comprising: An input interface and an output interface, a processor and a memory; wherein, The input interface, the output interface, the processor and the memory are connected via a bus system; The memory is used to store a computer program that can be run on the processor; The processor is used to execute the computer program to control the input interface to receive signals and control the output interface to send signals, so as to execute the method according to any one of claims 10 to 18.

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