CN112449761B

CN112449761B - Data transmission method and terminal equipment

Info

Publication number: CN112449761B
Application number: CN201980045652.8A
Authority: CN
Inventors: 陈文洪; 史志华
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-11-21
Filing date: 2019-01-08
Publication date: 2023-03-21
Anticipated expiration: 2039-01-08
Also published as: WO2020103028A1; WO2020103316A8; CN112449761A; WO2020103316A1

Abstract

A method and terminal equipment for transmitting data can improve data transmission performance, and the method comprises the following steps: the terminal equipment detects first Downlink Control Information (DCI) and second DCI, wherein the first DCI is used for scheduling a first data channel, and the second DCI is used for scheduling a second data channel; the terminal equipment determines the relationship between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI; and the terminal equipment sends or receives the first data channel and/or the second data channel according to the relation between the first data channel and the second data channel.

Description

Data transmission method and terminal equipment

The present application claims priority from the PCT patent application with the application number PCT/CN2018/116684, entitled "a method and terminal device for transmitting data", filed by the chinese patent office on 21/11/2018, the entire contents of which are incorporated herein by reference.

Technical Field

The embodiment of the application relates to the field of communication, in particular to a data transmission method and terminal equipment.

Background

In a New Radio (NR) system, a network device may schedule different Transmission points (TRPs) to transmit the same data at the same time, so as to improve Transmission reliability. Since data of different transmission points are the same, data transmitted by different TRPs may use the same Hybrid Automatic Repeat reQuest (HARQ) process. However, for the terminal device, it cannot distinguish whether the data in the same HARQ process scheduled by the network device through Different (DCI) is the repeated transmission of the same data or two different data. In this case, how the terminal device distinguishes whether the same data or different data is scheduled by the network side for correct transmission and reception is a problem that needs to be solved.

Disclosure of Invention

The embodiment of the application provides a data transmission method and terminal equipment, which can ensure that the terminal equipment correctly sends and receives data, thereby improving data transmission performance.

In a first aspect, a method for transmitting data is provided, including: the terminal equipment detects first Downlink Control Information (DCI) and second DCI, wherein the first DCI is used for scheduling a first data channel, and the second DCI is used for scheduling a second data channel; the terminal equipment determines the relationship between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI; and the terminal equipment sends or receives the first data channel and/or the second data channel according to the relation between the first data channel and the second data channel.

In a second aspect, a terminal device is provided, configured to perform the method of the first aspect or any possible implementation manner of the first aspect. In particular, the terminal device comprises means for performing the method of the first aspect or any possible implementation manner of the first aspect.

In a third aspect, a terminal device is provided, where the terminal device includes: including a processor and memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the first aspect or each implementation manner thereof.

In a fourth aspect, a chip is provided for implementing the method in the first aspect or its implementation manners.

Specifically, the chip includes: a processor configured to call and run the computer program from the memory, so that the device on which the chip is installed performs the method according to the first aspect or the implementation manner thereof.

In a fifth aspect, a computer-readable storage medium is provided for storing a computer program, which causes a computer to execute the method of the first aspect or its implementations.

In a sixth aspect, there is provided a computer program product comprising computer program instructions for causing a computer to perform the method of the first aspect or its implementations.

In a seventh aspect, a computer program is provided, which, when run on a computer, causes the computer to perform the method of the first aspect or its implementations.

Based on the above technical solution, the terminal device may determine whether the data channels scheduled by the multiple DCIs carry the same data according to the transmission resources of the multiple DCIs, and may ensure that the terminal device correctly transmits and receives the data, thereby improving the data transmission performance.

Drawings

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

Fig. 2 is a schematic diagram of a method for transmitting data according to an embodiment of the present disclosure.

Fig. 3 is a schematic block diagram of a terminal device according to an embodiment of the present application.

Fig. 4 is a schematic block diagram of a terminal device according to another embodiment of the present application.

Fig. 5 is a schematic block diagram of a chip provided in an embodiment of the present application.

Detailed Description

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

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, an LTE Frequency Division Duplex (FDD) System, an LTE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) communication System, or a 5G System.

Illustratively, a 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, a terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within that coverage area. In an implementation manner, the Network device 110 may be a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a Base Station (NodeB, NB) in a WCDMA system, an evolved Node B (eNB or eNodeB) in an LTE system, or a wireless controller in a Cloud Radio Access Network (CRAN), or a Network device in a Mobile switching center, a relay Station, an Access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, a Network-side device in a 5G Network, or a Network device in a Public Land Mobile Network (PLMN) for future evolution, or the like.

The communication system 100 further comprises at least one terminal device 120 located within the coverage area of the network device 110. As used herein, "terminal equipment" includes, but is not limited to, connections via wireline, such as Public Switched Telephone Network (PSTN), digital Subscriber Line (DSL), digital cable, direct cable connection; and/or another data connection/network; and/or via a Wireless interface, e.g., for a cellular Network, a Wireless Local Area Network (WLAN), a digital television Network such as a DVB-H Network, a satellite Network, an AM-FM broadcast transmitter; and/or means of another terminal device arranged to receive/transmit communication signals; and/or Internet of Things (IoT) devices. A terminal device arranged to communicate over 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 telephones; personal Communications System (PCS) terminals that may combine a cellular radiotelephone with data processing, facsimile and data Communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. Terminal Equipment may refer to an access terminal, user Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or User Equipment. An access terminal may be a cellular telephone, a cordless telephone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device having Wireless communication capabilities, a computing device or other processing device connected to a Wireless modem, a vehicle mounted device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolved PLMN, etc.

In one implementation, direct Device to Device (D2D) communication may be performed between terminal devices 120.

In one implementation, a 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, and in an implementation, the communication system 100 may include a plurality of network devices and each network device may include other numbers of terminal devices within a coverage area thereof, which is not limited in this embodiment of the present application.

In one implementation, the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like, which is not limited in this embodiment.

It should be understood that, in the embodiments of the present application, a device having a communication function in a network/system may be referred to as a communication device. 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 having a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above and are not described herein again; the communication device may also include other devices in the communication system 100, such as other network entities, for example, a network controller, a mobility management entity, and the like, which is not limited in this embodiment.

It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

In the communication system, if a terminal device reports NACK for a certain downlink data in an Acknowledgement (ACK)/Negative Acknowledgement (NACK) report, or a network device does not detect uplink data, the network device needs to schedule retransmission of the data through DCI, and the retransmission and initial transmission may use the same HARQ process. After the retransmitted data is correctly detected, the HARQ process may be released so that the network device may schedule a new data transmission on the HARQ process.

In addition, in the communication system, the network device may schedule different Transmission points (TRPs) to simultaneously transmit the same data, and may repeatedly transmit the same data to improve Transmission reliability. Because the data transmitted by different TRPs are the same, the same HARQ process may also be used, in this case, for the terminal device, it cannot be distinguished whether the data in the same HARQ process scheduled by the network device through two DCIs is the repeated transmission of the same data, or two different data (that is, the latter data is the scheduling of one new data), so the terminal device cannot perform the merging processing on the data scheduled by the two DCIs, which affects the transmission performance.

In view of this, an embodiment of the present application provides a method for transmitting data, where a terminal device may determine a relationship between data channels scheduled by two DCIs according to transmission resources of the two DCIs sent by a network device, so as to perform corresponding processing on the data channels scheduled by the two DCIs, for example, when data carried in the data channels scheduled by the two DCIs the same, the data channels scheduled by the two DCIs are subjected to combining demodulation or combining feedback, and the like, which is beneficial to improving transmission performance.

Fig. 2 is a schematic flow chart of a method of transmitting data according to an embodiment of the present application, which may be performed by a terminal device in the communication system shown in fig. 1, as shown in fig. 2, the method 200 includes:

s210, the terminal equipment detects first Downlink Control Information (DCI) and second DCI, wherein the first DCI is used for scheduling a first data channel, and the second DCI is used for scheduling a second data channel;

s220, the terminal equipment determines the relation between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI;

s230, the terminal device sends or receives the first data channel and/or the second data channel according to the relationship between the first data channel and the second data channel.

In some embodiments, the first DCI and the second DCI are two adjacent DCIs scheduling the HARQ process. That is, no other DCI between the first DCI and the second DCI schedules data in the HARQ process.

In some embodiments, HARQ process indication information may be included in the first DCI and the second DCI, the HARQ process indication information included in the first DCI and the second DCI indicating the same HARQ process.

For example, the DCI may include 4-bit HARQ process indication information for indicating one HARQ process of the 16 HARQ processes, and the 4-bit HARQ process indication information in the first DCI and the second DCI may indicate the same value.

In some embodiments, the data channels scheduled by both the first DCI and the second DCI carry new data transmissions. That is, the data carried in the data channel scheduled by the first DCI and the second DCI are both initially transmitted, not retransmitted.

Specifically, new Data Indicator (NDI) indication information may be included in the DCI, and is used to indicate whether a Data channel scheduled by the DCI is used to carry New Data.

For example, the DCI may include 1-bit NDI indication information, where different values of the 1-bit NDI indication information are used for whether a data channel scheduled by the DCI is used to carry new data or retransmitted data, e.g., when the 1-bit NDI indication information takes 1, new data is indicated, and when the 1-bit NDI indication information takes 0, retransmission data is indicated. In this embodiment of the present application, values of the NDI indication information included in the first DCI and the second DCI may both be 1, so as to indicate that the data channel scheduled by the DCI is used to carry new data transmission.

In this embodiment of the application, the transmission Resource of the first DCI and the second DCI may be, for example, a time domain Resource, a frequency domain Resource, a Control Resource Set (CORESET), a search space or a beam of the first DCI and the second DCI, or may also be other resources capable of being used for transmitting DCI.

In an embodiment of the present application, the relationship between the first data channel and the second data channel may include at least one of the following:

whether the data carried in the first data channel and the second data channel are the same or not;

whether Spatial transmission filters (or beams) used by the first data channel and the second data channel are the same;

whether the ACK/NACK feedback information of the first data channel and the second data channel is reported together or not;

whether the first data channel and the second data channel report the ACK/NACK through the same ACK/NACK feedback information or not.

It should be understood that, in the embodiment of the present application, reporting the ACK/NACK feedback information of the first data channel and the second data channel together may mean that the ACK/NACK feedback information corresponding to the first data channel and the second data channel is reported through the same message, and it is not limited whether reporting is performed through the same feedback information, that is, the message may include independent ACK/NACK feedback information for the two data channels, or the same ACK/NACK feedback information.

In an embodiment of the present application, S220 may include at least one of:

determining whether the data carried in the first data channel and the second data channel are the same according to a time interval between the first DCI and the second DCI, or a control resource set CORESET where the first DCI and the second DCI are located, or a search space where the first DCI and the second DCI are located, and recording as embodiment 1;

determining whether the spatial transmission filters adopted by the first data channel and the second data channel are the same according to the time interval between the first DCI and the second DCI, and recording as embodiment 2;

determining whether ACK/NACK feedback information is reported together according to the determination/negation of the first data channel and the second data channel according to the time interval between the first DCI and the second DCI, or the control resource set CORESET where the first DCI and the second DCI are located, or the search space where the first DCI and the second DCI are located, and recording as embodiment 3;

and determining whether the first data channel and the second data channel report ACK/NACK through the same ACK/NACK feedback information according to a time interval between the first DCI and the second DCI, which is marked as embodiment 4.

In this embodiment of the present application, the time interval between the first DCI and the second DCI may be a time slot offset between a time slot in which the terminal device detects the first DCI and a time slot in which the terminal device detects the second DCI; or, the terminal device may detect a symbol offset between an OFDM symbol in which the first DCI is located and an OFDM symbol in which the second DCI is located.

In embodiment 1, the terminal device may determine whether data carried in the first data channel and the second data channel is the same according to a time interval between the first DCI and the second DCI, or a control resource set CORESET where the first DCI and the second DCI are located, or a search space where the first DCI and the second DCI are located.

As an optional embodiment of this embodiment 1, the terminal device may determine whether the data carried in the first data channel and the second data channel are the same according to a time interval when the terminal device detects the first DCI and detects the second DCI. For example, the terminal device may determine that the data carried in the first data channel and the second data channel are the same when the time interval for detecting the first DCI and the time interval for detecting the second DCI are less than or equal to a first threshold; and when the time interval for detecting the first DCI and the time interval for detecting the second DCI are larger than a first threshold value, determining that the data carried in the first data channel and the second data channel are different.

Or, in some implementation manners, if a time interval between the terminal device detecting the first DCI and the terminal device detecting the second DCI is greater than a first threshold, the terminal device may also determine, according to a New Data Indicator (NDI) in the second DCI, whether Data carried in the first Data channel and the second Data channel are the same. For example, if the NDI indicates new data transmission (for example, the NDI value is 1), the data carried in the first data channel and the second data channel are different; or, if the NDI indicates data retransmission (for example, the NDI value is 0), the data carried in the first data channel and the second data channel are the same.

In some optional embodiments, the first threshold may be a time interval between the terminal device detecting the first DCI and transmitting ACK/NACK feedback information of the first data channel.

In a specific implementation, the network device may indicate, to the terminal device through the first DCI, a time interval between detection of the first DCI by the terminal device and transmission of ACK/NACK feedback information of the first data channel. For example, the network device may indicate a plurality of candidate values through RRC signaling, and then indicate a specific value of the plurality of candidate values through the first DCI.

In some embodiments, the time interval may be a slot offset between a slot in which the first DCI is detected and a slot in which ACK/NACK feedback information for the first data channel is transmitted; or detecting an OFDM symbol offset between the OFDM symbol of the first DCI and an OFDM symbol transmitting the ACK/NACK feedback information of the first data channel.

In some embodiments, the time interval is in units of slots or OFDM symbols.

In some embodiments, the time interval may be based on a subcarrier interval used for transmitting the first DCI, and may also be based on a subcarrier interval used for transmitting ACK/NACK feedback information of the first data channel.

If the first threshold may be a time interval between the terminal device detecting the first DCI and transmitting ACK/NACK feedback information of the first data channel, a relationship between the time interval between the first DCI and the second DCI and the first threshold may have the following two cases:

case 1: and the time interval between the terminal equipment detecting the first DCI and the second DCI is less than or equal to a first threshold, wherein the time for the terminal equipment detecting the second DCI is not later than the time for transmitting the ACK/NACK feedback information of the first data channel. For example, the terminal device detects that the time slot of the second DCI is before the time slot of the ACK/NACK feedback information of the first data channel, or both are in the same time slot. For another example, the terminal device detects that the OFDM symbol of the second DCI is before the OFDM symbol for transmitting the ACK/NACK feedback information of the first data channel, or both are in the same OFDM symbol. In this case, the terminal device may determine that the data carried in the first data channel and the second data channel are the same.

Case 2: and the time interval between the terminal equipment and the first DCI detection and the second DCI detection is larger than a first threshold value, wherein the time for the terminal to detect the second DCI is later than the time for transmitting the ACK/NACK feedback information of the first data channel. For example, the terminal detects that the slot of the second DCI is after the slot of the ACK/NACK feedback information of the first data channel; or the terminal detects that the OFDM symbol of the second DCI is behind the OFDM symbol for transmitting the ACK/NACK feedback information of the first data channel. In this case, the terminal device may determine that the data carried in the first data channel and the second data channel are different; or, the terminal device may determine whether the data carried in the first data channel and the second data channel are the same according to the NDI in the second DCI.

In one implementation, the first threshold may be N slots, M symbols, or the like, where N and M are positive integers.

In one implementation, the first threshold may be preset on the terminal device, for example, the first threshold agreed by a protocol may be preset on the terminal device; or the first threshold may also be configured by the network device, for example, the network device may configure the first threshold to the terminal device through higher layer signaling, for example, radio Resource Control (RRC) signaling, or Physical layer signaling, for example, physical Downlink Control Channel (PDCCH).

In one implementation, the time interval may be in units of time slots or Orthogonal frequency division multiple access (OFDM) symbols, that is, the time interval may be one or more time slots, or may also be one or more symbols. It should be understood that the time interval may be measured in other time units, which is not specifically limited in the embodiments of the present application.

As another optional embodiment of embodiment 1, the terminal device may determine whether the data carried in the first data channel and the second data channel are the same according to whether the time units for detecting the first DCI and the second DCI are the same time unit.

For example, the terminal device may determine that data carried in the first data channel and the second data channel are the same when the time units for detecting the first DCI and the second DCI are the same time unit, and otherwise determine that the data carried in the first data channel and the second data channel are different.

For another example, if the time units (for example, time slots or symbols) in which the terminal device detects the first DCI and the second DCI are different, the terminal device may determine, according to the NDI in the second DCI, whether data carried in the first data channel and the second data channel are the same. For example, if the NDI indicates new data transmission (for example, the NDI value is 1), the data carried in the first data channel and the second data channel are different; or, if the NDI indicates data retransmission (for example, the NDI value is 0), the data carried in the first data channel and the second data channel are the same.

In one implementation, the one time unit may be one or more time slots or one or more symbols, and the same time unit may be the same time slot or the same symbol, etc.

It can be understood that the probability that the adjacent or close DCI schedules the same data is higher, and when the time interval of two DCIs is shorter, the terminal device determines that the data scheduled by the two DCIs are the same, and further performs combining processing on the two data, for example, combining demodulation or combining feedback, so as to save transmission resources and improve transmission performance.

As a further alternative to embodiment 1, the terminal device may determine whether the data carried in the first data channel and the second data channel are the same according to the CORESET and/or the search space where the first DCI and the second DCI are located.

For example, the terminal device may determine that data carried in the first data channel and the second data channel are different when the first DCI and the second DCI are transmitted in the same CORESET, and otherwise, determine that the data carried in the first data channel and the second data channel are the same.

For another example, the terminal device may determine that data carried in the first data channel and the second data channel are different when the first DCI and the second DCI are transmitted in the same search space, and otherwise determine that the data carried in the first data channel and the second data channel are the same.

For another example, if the CORESET or the search space where the first DCI and the second DCI are located are the same, the terminal device may further determine whether the data carried in the first data channel and the second data channel are the same according to the NDI in the second DCI. For example, if the NDI indicates new data transmission (for example, the NDI value is 1), the data carried in the first data channel and the second data channel are different; or if the NDI indicates data retransmission (for example, the NDI value is 0), the data carried in the first data channel and the second data channel are the same.

In embodiment 2, the terminal device may determine whether the spatial transmission filters used for the first data channel and the second data channel are the same according to a time interval between the first DCI and the second DCI.

For example, the terminal device may determine that spatial filters used by spatial transmission filters used by the first data channel and the second data channel are the same when a time interval for detecting the first DCI and a time interval for detecting the second DCI are less than or equal to a second threshold; and when the time interval for detecting the first DCI and the second DCI is larger than a second threshold value, determining that the spatial transmission filters adopted by the first data channel and the second data channel are different.

It should be understood that the specific implementation of the second threshold may refer to the specific implementation of the first threshold in embodiment 1, and details are not described here.

In embodiment 3, the terminal device may determine, according to a time interval between the first DCI and the second DCI, or a control resource set CORESET where the first DCI and the second DCI are located, or a search space where the first DCI and the second DCI are located, whether ACK/NACK feedback information is reported together for the determination/negation determination of the first data channel and the second data channel. Specifically, reporting the ACK/NACK feedback information of the two data channels together may refer to reporting the ACK/NACK feedback information of the two data channels through a Physical Uplink Shared Channel (PUSCH) resource, and correspondingly, reporting the ACK/NACK feedback information of the two data channels together without reporting the ACK/NACK feedback information of the two data channels may refer to reporting the corresponding ACK/NACK through different PUSCH resources, respectively.

As an optional embodiment of the embodiment 3, the terminal device may determine that the ACK/NACK feedback information of the first data channel and the second data channel is reported together when a time interval between detecting the first DCI and detecting the second DCI is smaller than or equal to a third threshold, or determine that the ACK/NACK feedback information of the first data channel and the second data channel is not reported together when the time interval between detecting the first DCI and detecting the second DCI is greater than the third threshold.

As another optional embodiment of embodiment 3, the terminal device may determine that the ACK/NACK feedback information of the first data channel and the second data channel are reported together when the time units for detecting the first DCI and the second DCI are the same time unit, or determine that the ACK/NACK feedback information of the first data channel and the second data channel are not reported together when the time units for detecting the first DCI and the second DCI are different time units.

As still another optional embodiment of the embodiment 3, the terminal device may determine that the ACK/NACK feedback information of the first data channel and the second data channel is reported together when the CORESET in which the first DCI and the second DCI are located is the same CORESET, and otherwise, determine that the ACK/NACK feedback information of the first data channel and the second data channel is not reported together.

Or, in other optional embodiments, the terminal device may determine that the ACK/NACK feedback information of the first data channel and the second data channel are reported together when the first DCI and the second DCI are in the same search space, and otherwise, determine that the ACK/NACK feedback information of the first data channel and the second data channel are not reported together.

It should be understood that the specific implementation of the third threshold may refer to the specific implementation of the first threshold in embodiment 1, and details are not described here.

In embodiment 4, the terminal device may determine, according to a time interval between the first DCI and the second DCI, whether the first data channel and the second data channel report ACK/NACK through the same ACK/NACK feedback information.

As an optional embodiment of this embodiment 4, the terminal device may determine that ACK/NACK of the first data channel and ACK/NACK of the second data channel are reported by the same ACK/NACK feedback information when a time interval between detecting the first DCI and detecting the second DCI is smaller than or equal to a fourth threshold, or determine that ACK/NACK of the first data channel and ACK/NACK of the second data channel are not reported by the same ACK/NACK feedback information when the time interval between detecting the first DCI and detecting the second DCI is greater than the fourth threshold.

Specifically, the reporting of ACK/NACK of two data channels through the same ACK/NACK feedback information means that only one ACK/NACK information is reported for the two data channels. For example, ACK may be reported if one of the data channels is correctly demodulated, or NACK may be reported otherwise.

Correspondingly, the ACK/NACK of the two data channels is not reported by the same ACK/NACK feedback information, and one ACK/NACK information can be reported to the two data channels by a pointer. For example, if a first data channel is correctly demodulated, an ACK may be reported for the first data channel, otherwise a NACK may be reported, as for the second data channel.

It should be understood that, as for a specific implementation of the fourth threshold, reference may be made to the specific implementation of the first threshold in embodiment 1, and details are not described here again.

It should be noted that, the above embodiments 1 to 4 may be implemented individually or in combination, and specific embodiments in a single embodiment may be implemented individually or in combination, which is not limited in this application, for example, when the time interval for detecting the first DCI and detecting the second DCI is less than or equal to a first threshold and the first DCI and the second DCI are transmitted in different CORESET or search spaces, the terminal device may determine that data carried in the first data channel and the second data channel are the same, otherwise, determine that data carried in the first data channel and the second data channel are different, and so on.

In an implementation manner, in this embodiment of the application, the first data Channel scheduled by the first DCI may be an uplink data Channel, for example, a PUSCH, or may also be a Downlink data Channel, for example, a Physical Downlink Shared Channel (PDSCH).

Similarly, the second data channel scheduled by the second DCI may also be an uplink data channel, for example, a PUSCH, or the like, or a downlink data channel, for example, a PDSCH, or the like.

Then, the relationship between the first data channel and the second data channel may have the following four cases:

case 1: the first data channel and the second data channel are both downlink data channels, and the data carried in the first data channel and the second data channel are the same.

It should be understood that the specific process of determining that the data carried in the first data channel and the second data channel are the same may refer to the related description of embodiment 1.

In this case, the terminal device may perform combined demodulation on the first data channel and the second data channel, so as to improve the probability of successful demodulation and further improve the transmission performance.

Further, when reporting the feedback information, the terminal device may report only one feedback information, for example, ACK or NACK, for the first data channel and the second data channel, so as to reduce feedback overhead. In one implementation, the terminal device may transmit the feedback information according to control information in a DCI that is most recently received in the first DCI and the second DCI.

Specifically, if the terminal device correctly detects at least one of the first data channel and the second data channel, the terminal device may report an ACK, or if the terminal device does not correctly detect any one of the first data channel and the second data channel, the terminal device may report a NACK.

Case 2: the first data channel and the second data channel are both downlink data channels, and data carried in the first data channel and the second data channel are different.

In this case, the terminal device may demodulate the first data channel and the second data channel, and further report the ACK/NACK corresponding to each data channel.

Case 3: the first data channel and the second data channel are both uplink data channels, and the data carried in the first data channel and the second data channel are the same.

In this case, the terminal device may generate the same data for transmission over the first data channel and the second data channel, respectively.

At this time, when the terminal device generates data in the second data channel, the terminal device may obtain data in the second data channel from data in the first data channel.

In an implementation manner, the terminal device may use different antenna panels to transmit the first data channel and the second data channel, which is beneficial to ensuring reliability of data transmission, so that data transmission performance can be improved.

Case 4: the first data channel and the second data channel are both uplink data channels, and data carried in the first data channel and the second data channel are different.

In this case, the terminal device may generate different data for transmission over the first data channel and the second data channel, respectively.

At this time, the terminal device may generate new data when generating data in the second data channel.

In one implementation, the terminal device may transmit the first data channel and the second data channel using different or the same antenna panel.

It should be understood that, in addition to the above four cases, there may be a case where one of the first data channel and the second data channel is an uplink data channel, and the other is a downlink data channel, in this case, the terminal device only needs to process the data carried in the first data channel and the second data channel separately, and details are not described here again.

In this embodiment, if the data carried in the first data channel and the second data channel is the same, the terminal device sends or receives the first data channel and the second data channel through different configurations, for example, at least one of Modulation and Coding Scheme (MCS), physical layer resource configuration, and beams, so as to improve reliability of data transmission.

It should be understood that the physical layer resource configuration herein may refer to a time domain resource configuration or a frequency domain resource configuration. For example, the time domain Resource configuration may be a Resource mapping type, and the frequency domain Resource configuration may be a Physical Resource Block (PRB) occupied by a data channel.

Therefore, according to the method for transmitting data in the embodiment of the present application, the terminal device may determine whether the same data is carried in the data channels scheduled by the multiple DCIs according to the transmission resources of the multiple DCIs, so that the terminal device may perform combining processing, such as combining demodulation or combining feedback, on the same data under the condition of carrying the same data, thereby improving the data transmission performance.

While method embodiments of the present application are described in detail above with reference to fig. 2, device embodiments of the present application are described below with reference to fig. 3-5, it being understood that device embodiments correspond to method embodiments and that similar descriptions may refer to method embodiments.

Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present application, and as shown in fig. 3, the terminal device 300 includes:

a communication module 310, configured to detect a first downlink control information DCI and a second DCI, where the first DCI is used to schedule a first data channel and the second DCI is used to schedule a second data channel;

a determining module 320, configured to determine a relationship between the first data channel and the second data channel according to transmission resources of the first DCI and the second DCI;

the communication module 310 is further configured to: and sending or receiving the first data channel and/or the second data channel according to the relation between the first data channel and the second data channel.

In some embodiments, the HARQ process indication information included in the first DCI and the second DCI indicates the same HARQ process.

In some embodiments, the first DCI and the second DCI are two adjacent DCIs scheduling a data channel in the HARQ process.

In some embodiments, the data channels scheduled by the first DCI and the second DCI both carry new data transmissions.

In some embodiments, the determination module 320 is further configured to at least one of:

determining whether data carried in the first data channel and the second data channel are the same according to a time interval between the first DCI and the second DCI, or a control resource set CORESET where the first DCI and the second DCI are located, or a search space where the first DCI and the second DCI are located;

determining whether the spatial transmission filters adopted by the first data channel and the second data channel are the same according to the time interval between the first DCI and the second DCI;

determining whether ACK/NACK feedback information of the first data channel and the second data channel is reported together according to a time interval between the first DCI and the second DCI, or a control resource set CORESET where the first DCI and the second DCI are located, or a search space where the first DCI and the second DCI are located;

and determining whether the first data channel and the second data channel report ACK/NACK through the same ACK/NACK feedback information according to the time interval between the first DCI and the second DCI.

In some embodiments, the determining module 320 is specifically configured to:

if the time interval between the detection of the first DCI and the detection of the second DCI by the terminal equipment is smaller than or equal to a first threshold, determining that the data carried in the first data channel and the data carried in the second data channel are the same; and/or

If the time interval between the detection of the first DCI and the detection of the second DCI by the terminal equipment is greater than a first threshold, determining that the data carried in the first data channel is different from the data carried in the second data channel; and/or the presence of a gas in the atmosphere,

and if the time interval between the detection of the first DCI and the detection of the second DCI by the terminal equipment is greater than a first threshold, determining whether the data carried in the first data channel and the second data channel are the same according to a New Data Indication (NDI) in the second DCI.

In some embodiments, the first threshold is a time interval between detection of the first DCI by the terminal device and transmission of ACK/NACK feedback information for the first data channel.

In some embodiments, the determining module 320 is further configured to:

if the time slots or symbols in which the first DCI and the second DCI are detected by the terminal equipment are the same, determining that the data carried in the first data channel and the second data channel are the same; and/or

If the time slots or symbols where the terminal device detects the first DCI and the second DCI are different, determining that the data carried in the first data channel and the second data channel are different; and/or the presence of a gas in the gas,

and if the time slots or symbols in which the first DCI and the second DCI are detected by the terminal equipment are different, determining whether the data carried in the first data channel and the second data channel are the same according to the NDI in the second DCI.

In some embodiments, the time interval is in units of slots or symbols.

In some embodiments, the determining module 320 is specifically configured to:

if the CORESET or the search space where the first DCI and the second DCI are located is different, determining that the data carried in the first data channel and the second data channel are the same; and/or

If the CORESET or the search space where the first DCI and the second DCI are located is the same, determining that the data carried in the first data channel and the second data channel are different; and/or

If the CORESET or the search space where the first DCI and the second DCI are located is the same, determining whether the data carried in the first data channel and the second data channel are the same according to the NDI in the second DCI.

In some embodiments, the communication module 320 is specifically configured to:

if the data carried in the first data channel and the second data channel are the same, the terminal equipment sends or receives the first data channel and the second data channel through at least one of different Modulation and Coding Schemes (MCS), physical layer resource configuration, spatial domain transmission filters and beams.

In some embodiments, the terminal device 300 further includes:

and the processing module is configured to, if the first data channel and the second data channel are both downlink data channels and data carried in the first data channel and the second data channel are the same, perform demodulation processing after the terminal device combines the first data channel and the second data channel.

In some embodiments, if the data channels scheduled by the first DCI and the second DCI are downlink data channels, the determining module 320 is further configured to:

and determining feedback information reported to the first data channel and the second data channel according to the relationship of the data carried in the first data channel and the second data channel.

In some embodiments, the determining module 320 is specifically configured to:

if the data carried in the first data channel and the second data channel are the same, determining to report an ACK/NACK feedback information to the first data channel and the second data channel; and/or

And if the data carried in the first data channel and the second data channel are different, determining to report corresponding ACK/NACK feedback information to the first data channel and the second data channel respectively.

In some embodiments, the determining module 320 is further configured to:

if the ACK/NACK feedback information of the first data channel and the second data channel is reported together, reporting the ACK/NACK feedback information of the first data channel and the second data channel through the same Physical Uplink Control Channel (PUCCH) resource; and/or

And if the ACK/NACK feedback information of the first data channel and the second data channel are not reported together, reporting the ACK/NACK feedback information of the first data channel and the second data channel through different PUCCH resources.

In some embodiments, the determining module 320 is further configured to:

if the first data channel and the second data channel report ACK/NACK through the same ACK/NACK feedback information, determining ACK/NACK feedback information according to the detection results of the first data channel and the second data channel; and/or

And if the first data channel and the second data channel do not report ACK/NACK through the same ACK/NACK feedback information, reporting independent ACK/NACK feedback information respectively according to the detection results of the first data channel and the second data channel.

In some embodiments, the communication module 310 is further configured to:

if the first data channel and the second data channel are both uplink data channels and the data carried in the first data channel and the second data channel are the same, the terminal device sends the first data channel and the second data channel through different antenna panels.

It should be understood that the terminal device 300 according to the embodiment of the present application may correspond to a terminal device in the embodiment of the method of the present application, and the above and other operations and/or functions of each unit in the terminal device 300 are respectively for implementing a corresponding flow of the terminal device in the method 200 shown in fig. 2, and are not described herein again for brevity.

Therefore, according to the terminal device in the embodiment of the present application, whether the same data is carried in the data channels scheduled by the multiple DCIs can be determined according to the transmission resources of the multiple DCIs, so that the terminal device can perform combining processing, such as combining demodulation or combining feedback, on the same data under the condition of carrying the same data, thereby improving the data transmission performance.

Fig. 4 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application. The communication device 600 shown in fig. 4 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.

In one implementation, as shown in fig. 4, the communication device 600 may also include a memory 620. From the memory 620, the processor 610 may call and run a computer program to implement the method in the embodiment of the present application.

The memory 620 may be a separate device from the processor 610, or may be integrated into the processor 610.

In one implementation, as shown in fig. 4, the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and in particular, may transmit information or data to the other devices or receive information or data transmitted by the other devices.

The transceiver 630 may include a transmitter and a receiver, among others. The transceiver 630 may further include one or more antennas.

In an implementation manner, the communication device 600 may specifically be a mobile terminal/terminal device according to this embodiment, and the communication device 600 may implement a corresponding process implemented by the mobile terminal/terminal device in each method according to this embodiment, which is not described herein again for brevity.

Fig. 5 is a schematic structural diagram of a chip of an embodiment of the present application. The chip 700 shown in fig. 5 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.

In one implementation, as shown in fig. 5, chip 700 may also include memory 720. From the memory 720, the processor 710 can call and run a computer program to implement the method in the embodiment of the present application.

The memory 720 may be a separate device from the processor 710, or may be integrated into the processor 710.

In one implementation, the chip 700 may also include an input interface 730. The processor 710 may control the input interface 730 to communicate with other devices or chips, and in particular, may obtain information or data transmitted by other devices or chips.

In one implementation, the chip 700 may also include an output interface 740. The processor 710 may control the output interface 740 to communicate with other devices or chips, and in particular, may output information or data to the other devices or chips.

In an implementation manner, the chip may be applied to the mobile terminal/terminal device in this embodiment, and the chip may implement a corresponding process implemented by the mobile terminal/terminal device in each method in this embodiment, and for brevity, details are not described here again.

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

It should be understood that the processor of the embodiments of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A 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 connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. 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 (DRAM), synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), enhanced Synchronous SDRAM (ESDRAM), synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memories are exemplary but not limiting illustrations, for example, the memories in the embodiments of the present application may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (enhanced SDRAM, ESDRAM), synchronous Link DRAM (SLDRAM), direct Rambus RAM (DR RAM), and the like. That is, the memory in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

The embodiment of the application also provides a computer readable storage medium for storing the computer program.

In an implementation manner, the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program enables a computer to execute corresponding processes implemented by the network device in the methods in the embodiment of the present application, which are not described herein again for brevity.

In an implementation manner, the computer-readable storage medium may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in the methods in the embodiments of the present application, which is not described herein again for brevity.

Embodiments of the present application also provide a computer program product comprising computer program instructions.

In an implementation manner, the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions enable the computer to execute corresponding processes implemented by the network device in the methods in the embodiment of the present application, which are not described herein again for brevity.

In an implementation manner, the computer program product may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiments of the present application, which are not described herein again for brevity.

The embodiment of the application also provides a computer program.

In an implementation manner, the computer program may be applied to the network device in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute a corresponding process implemented by the network device in each method in the embodiment of the present application, which is not described herein again for brevity.

In an implementation manner, the computer program may be applied to the mobile terminal/terminal device in this embodiment, and when the computer program runs on a computer, the computer is enabled to execute a corresponding process implemented by the mobile terminal/terminal device in each method in this embodiment.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

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

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of transmitting data, comprising:

the terminal equipment detects first Downlink Control Information (DCI) and second DCI, wherein the first DCI is used for scheduling a first data channel, and the second DCI is used for scheduling a second data channel;

the terminal equipment determines the relationship between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI;

the terminal equipment sends or receives the first data channel and/or the second data channel according to the relation between the first data channel and the second data channel;

wherein the determining, by the terminal device, a relationship between the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI includes at least one of:

determining whether the data carried in the first data channel and the second data channel are the same according to a time interval between the first DCI and the second DCI;

and determining whether the data carried in the first data channel and the second data channel are the same or not according to the control resource set CORESET or the search space where the first DCI and the second DCI are located.

2. The method of claim 1, wherein hybrid automatic repeat request, HARQ, process indication information included in the first DCI and the second DCI indicates a same HARQ process.

3. The method of claim 2, wherein the first DCI and the second DCI are two adjacent DCIs scheduling a data channel in the HARQ process.

4. The method of any of claims 1 to 3, wherein the data channels scheduled by both the first DCI and the second DCI carry new data transmissions.

5. The method of any of claims 1 to 3, wherein the terminal device determines the relationship of the first data channel and the second data channel according to the transmission resources of the first DCI and the second DCI, further comprising at least one of:

determining whether ACK/NACK feedback information is reported together according to the determination/negation of the first data channel and the second data channel according to the time interval between the first DCI and the second DCI, or the control resource set CORESET where the first DCI and the second DCI are located, or the search space where the first DCI and the second DCI are located;

6. The method of claim 1, wherein the determining whether the data carried in the first data channel and the second data channel is the same according to a time interval between the first DCI and the second DCI comprises:

if the time interval between the detection of the first DCI and the detection of the second DCI by the terminal equipment is smaller than or equal to a first threshold, determining that the data carried in the first data channel and the data carried in the second data channel are the same; or the like, or, alternatively,

if the time interval between the detection of the first DCI and the detection of the second DCI by the terminal equipment is greater than a first threshold, determining that the data carried in the first data channel is different from the data carried in the second data channel; or the like, or, alternatively,

and if the time interval between the detection of the first DCI and the detection of the second DCI by the terminal equipment is greater than a first threshold value, determining whether the data carried in the first data channel and the second data channel are the same or not according to a New Data Indication (NDI) in the second DCI.

7. The method of claim 6, wherein the first threshold is a time interval between detection of the first DCI by the terminal device and transmission of ACK/NACK feedback information for the first data channel.

8. The method of claim 1, wherein the determining whether the data carried in the first data channel and the second data channel is the same according to a time interval between the first DCI and the second DCI comprises:

if the time slots or symbols in which the first DCI and the second DCI are detected by the terminal equipment are the same, determining that the data carried in the first data channel and the second data channel are the same; or

If the time slots or symbols in which the terminal equipment detects the first DCI and the second DCI are different, determining that the data carried in the first data channel and the second data channel are different; or the like, or, alternatively,

9. The method of claim 5, wherein the time interval is in units of slots or symbols.

10. The method of claim 5, wherein the determining whether the data carried in the first data channel and the second data channel is the same according to a control resource set (CORESET) or a search space in which the first DCI and the second DCI are located comprises:

if the CORESET or the search space where the first DCI and the second DCI are located is different, determining that the data carried in the first data channel and the second data channel are the same; or

If the CORESET or the search space where the first DCI and the second DCI are located is the same, determining that the data carried in the first data channel and the second data channel are different; or

And if the CORESET or the search space where the first DCI and the second DCI are located is the same, determining whether the data carried in the first data channel and the second data channel are the same according to the NDI in the second DCI.

11. The method according to any one of claims 1 to 3, wherein the terminal device transmits or receives the first data channel and/or the second data channel according to a relationship between the first data channel and the second data channel, comprising: if the data carried in the first data channel and the second data channel are the same, the terminal equipment sends or receives the first data channel and the second data channel through at least one of different Modulation and Coding Schemes (MCS), physical layer resource configuration, spatial domain transmission filters and beams.

12. The method according to any one of claims 1 to 3, wherein the terminal device transmits or receives the first data channel and/or the second data channel according to a relationship between the first data channel and the second data channel, comprising: if the first data channel and the second data channel are both downlink data channels and the data carried in the first data channel and the second data channel are the same, the terminal device combines the first data channel and the second data channel and then performs demodulation processing.

13. The method according to any of claims 1 to 3, wherein if the first data channel and the second data channel are both downlink data channels, the method further comprises:

and the terminal equipment determines feedback information reported to the first data channel and the second data channel according to the relationship of the data carried in the first data channel and the second data channel.

14. The method of claim 13, wherein the determining, by the terminal device, the feedback information reported to the first data channel and the second data channel according to the relationship between the data carried in the first data channel and the second data channel comprises:

if the data carried in the first data channel and the second data channel are the same, determining to report an ACK/NACK feedback information to the first data channel and the second data channel; or

15. The method of claim 13, wherein the determining, by the terminal device, the feedback information reported to the first data channel and the second data channel according to the relationship between the data carried in the first data channel and the second data channel comprises:

if the ACK/NACK feedback information of the first data channel and the second data channel is reported together, reporting the ACK/NACK feedback information of the first data channel and the second data channel through the same Physical Uplink Control Channel (PUCCH) resource; or

And if the ACK/NACK feedback information of the first data channel and the second data channel is not reported together, reporting the ACK/NACK feedback information of the first data channel and the second data channel through different PUCCH resources.

16. The method of claim 13, wherein the determining, by the terminal device, the feedback information reported to the first data channel and the second data channel according to a relationship between data carried in the first data channel and the second data channel comprises:

if the first data channel and the second data channel report ACK/NACK through the same ACK/NACK feedback information, determining ACK/NACK feedback information according to the detection results of the first data channel and the second data channel; or

17. The method according to any one of claims 1 to 3, wherein the terminal device transmits or receives the first data channel and/or the second data channel according to a relationship between the first data channel and the second data channel, comprising:

18. A terminal device, comprising:

a communication module, configured to detect first downlink control information DCI and second DCI, where the first DCI is used to schedule a first data channel and the second DCI is used to schedule a second data channel;

a determining module, configured to determine a relationship between the first data channel and the second data channel according to transmission resources of the first DCI and the second DCI;

the communication module is further configured to: according to the relation between the first data channel and the second data channel, the first data channel and/or the second data channel are/is sent or received;

wherein the determining module is further configured to at least one of:

determining whether data carried in the first data channel and the second data channel are the same according to a time interval between the first DCI and the second DCI;

19. The terminal device of claim 18, wherein hybrid automatic repeat request, HARQ, process indication information included in the first DCI and the second DCI indicates a same HARQ process.

20. The terminal device of claim 19, wherein the first DCI and the second DCI are two adjacent DCIs scheduling a data channel in the HARQ process.

21. The terminal device of any of claims 18 to 20, wherein the data channels scheduled by the first DCI and the second DCI both carry new data transmissions.

22. The terminal device of any one of claims 18 to 20, wherein the determining module is further configured to at least one of:

23. The terminal device of claim 22, wherein the determining module is specifically configured to:

if the time interval between the detection of the first DCI and the detection of the second DCI by the terminal equipment is smaller than or equal to a first threshold, determining that the data carried in the first data channel and the data carried in the second data channel are the same; or

24. The terminal device of claim 23, wherein the first threshold is a time interval between detection of the first DCI by the terminal device and transmission of ACK/NACK feedback information for the first data channel.

25. The terminal device of claim 22, wherein the determining module is further configured to:

26. The terminal device of claim 22, wherein the time interval is in time slots or symbols.

27. The terminal device of claim 22, wherein the determining module is specifically configured to:

28. The terminal device according to any one of claims 18 to 20, wherein the communication module is specifically configured to:

29. The terminal device according to any of claims 18 to 20, characterized in that the terminal device further comprises:

30. The terminal device according to any one of claims 18 to 20, wherein if the data channels scheduled by the first DCI and the second DCI are both downlink data channels, the determining module is further configured to:

31. The terminal device of claim 30, wherein the determining module is specifically configured to:

32. The terminal device of claim 30, wherein the determining module is further configured to:

33. The terminal device of claim 30, wherein the determining module is further configured to:

And if the first data channel and the second data channel do not report ACK/NACK through the same ACK/NACK feedback information, respectively reporting independent ACK/NACK feedback information according to the detection results of the first data channel and the second data channel.

34. The terminal device according to any of claims 18 to 20, wherein the communication module is further configured to:

35. A terminal device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 1 to 17.

36. A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 1 to 17.

37. A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 17.