CN113906802A

CN113906802A - Data transmission method and device

Info

Publication number: CN113906802A
Application number: CN201980096975.XA
Authority: CN
Inventors: 郑娟; 李超君
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2022-01-07
Also published as: WO2021030976A1

Abstract

The application provides a data transmission method and device, which can reduce the detection complexity of terminal equipment and are beneficial to reducing the power consumption of the terminal equipment. The method comprises the following steps: the method comprises the steps that terminal equipment receives first control information, wherein the first control information is used for indicating the terminal equipment to transmit first data and triggering the terminal equipment to transmit second data, and the transmission direction of the first data is different from that of the second data; and the terminal equipment transmits the second data.

Description

Data transmission method and device

Technical Field

The present application relates to the field of communications, and more particularly, to a method and apparatus for data transmission.

Background

The fifth Generation (5G) mobile communication technology New Radio (NR) is the next very important cellular mobile technology base. Services of the 5G technology are very diverse, including enhanced mobile broadband (eMBB) -oriented services, ultra-reliable low-latency communication (URLLC) services, and massive machine-type communication (mtc) services.

Machine communication is one of the foundations of the interconnection of everything. In view of application scenarios, on one hand, some terminal devices mainly use uplink services, for example, cameras in a video surveillance (video surveillance) scenario and sensors in an Industrial Wireless Sensor Network (IWSN) generally need to upload a large amount of data. For example, in process automation, a number of sensors may be installed on the equipment to provide insight into the process, environmental conditions, or material inventory, and this data may be uploaded to a display for viewing and/or to a database for registration or trend analysis. On the other hand, some terminal devices may also receive downlink data as a main service, for example, terminal devices that mainly receive broadcast messages, and the like.

The terminal device may determine whether downlink data needs to be received or uplink data needs to be transmitted to the network device by blind detecting its own control information. For a terminal device mainly transmitting uplink service, the terminal device detects control information for scheduling uplink data transmission more often, but the terminal device does not know when the network device will schedule downlink data for itself, and therefore the terminal device needs to detect control information for scheduling downlink data transmission all the time. However, in practice, the terminal device mainly transmitting the uplink traffic has relatively less downlink traffic, and the terminal device does not need to detect all the time. Therefore, the detection method will increase the power consumption of the terminal device, which is not favorable for saving the power consumption of the terminal device.

Disclosure of Invention

In view of this, the present application provides a method and an apparatus for data transmission, which can reduce the detection complexity of a terminal device and help to reduce the power consumption of the terminal device.

In a first aspect, a method for data transmission is provided, where the method may be performed by a terminal device, and may also be performed by an apparatus (e.g., one or more of a chip, a processor, or a system-on-a-chip) in the terminal device, and includes: a terminal device (or a chip, a processor, a chip system, etc. in the terminal device) receives first control information, where the first control information is used to instruct the terminal device to transmit first data and is used to trigger the terminal device to transmit second data, and a transmission direction of the first data is different from a transmission direction of the second data; and the terminal equipment transmits the second data.

The embodiment of the application adds the indication whether the second data is triggered or not in the first control information, so that the terminal device can determine when to start transmitting the second data or detect the second control information for scheduling the second data. In contrast to the terminal device always blindly detecting the second control information for scheduling the second data, the terminal device may not necessarily always blindly detect the second control information. Therefore, the detection complexity and the energy consumption of the terminal equipment can be reduced under the condition of saving signaling overhead.

The term "for triggering the terminal device to transmit the second data" may be understood as "for activating the terminal device to transmit the second data".

Optionally, the first control information includes first indication information, where the first indication information is used to trigger the terminal device to transmit the second data. Here, the terminal device may distinguish whether transmission of the second data is activated by a value of a certain bit of the first control information.

Optionally, the first indication information is contained in one or more of the following fields in the first control information: a transmission direction indication field and a redundancy status field. Therefore, no new field is introduced, and the compatibility is better.

In a possible implementation manner, the transmitting, by the terminal device, the second data includes: and the terminal equipment receives second control information and transmits the second data, wherein the second control information is used for indicating the terminal equipment to transmit the second data. Here, the terminal device may receive the second control information first and then transmit the second data.

Optionally, a format of the second control information is different from a format of the first control information. For example, the number of bits of the second control information is different from the number of bits of the first control information. Therefore, the understanding of the terminal device to the control information can be ensured to be consistent with the understanding of the network device to the control information.

Optionally, a first resource corresponding to the first control information is different from a second resource corresponding to the second control information. Therefore, the understanding of the terminal device to the control information can be ensured to be consistent with the understanding of the network device to the control information.

Optionally, the first control information corresponds to a first search space, and the second control information corresponds to a second search space, where a maximum blind detection number corresponding to the first search space is smaller than a maximum blind detection number corresponding to the second search space. Thus, by reducing the number of blind detections, the power consumption of the terminal device can be further saved.

In another possible implementation manner, the transmitting, by the terminal device, the second data includes: the terminal device transmits the second data in the configured third resource according to the configured data transmission format, wherein the data transmission format includes one or more of the following items: modulation mode, data transmission block size, demodulation reference signal configuration, and data transmission power control information. Here, the terminal device may directly transmit the second data within the third resource without detecting control information related to the second data.

Optionally, the terminal device obtains the configured third resource. The third resource may be predefined or network device configured.

Optionally, the method further comprises: the terminal device receives first configuration information from a network device, wherein the first configuration information is used for configuring the first control information and triggering the terminal device to transmit second data. Therefore, the terminal device can know that the first control information is used for triggering the terminal device to transmit the second data according to the configuration of the network device.

Optionally, the method further comprises: and the terminal equipment sends transmission service information to the network equipment, wherein the transmission service information comprises the service type transmitted by the terminal equipment. Therefore, the terminal device informs the network device of the transmission service information of the terminal device, so that the network device can configure a second data activation mechanism for the terminal device in a targeted manner, thereby reducing the detection complexity of the terminal device and saving the power consumption of the terminal device under the condition of ensuring normal data transmission.

Optionally, the method further comprises: after the first set time, the terminal equipment executes one or more of the following operations: stopping detecting the second control information; the transmission of the second data is stopped. Therefore, the terminal device stops detecting the second control information or stops transmitting the second data after judging that the first set time is overtime, so as to achieve the purpose of further saving power consumption.

In a second aspect, a method for data transmission is provided, where the method may be performed by a network device, and may also be performed by an apparatus (e.g., one or more of a chip, a processor, or a system of chips) in the network device, and includes: the method comprises the steps that a network device (or a chip, a processor, a chip system and the like in the network device) sends first control information, wherein the first control information is used for indicating transmission of first data and triggering transmission of second data, and the transmission direction of the first data is different from that of the second data; and the network equipment transmits the second data.

In the embodiment of the application, the network device adds an indication whether the second data is triggered or not to the first control information, so that the terminal device can determine when to start transmitting the second data, or detect the second control information for scheduling the second data. In contrast to the terminal device always blindly detecting the second control information for scheduling the second data, the terminal device may not necessarily always blindly detect the second control information. Therefore, the detection complexity and the energy consumption of the terminal equipment can be reduced under the condition of saving signaling overhead.

Optionally, the first control information includes first indication information, and the first indication information is used to trigger transmission of the second data. Therefore, the network device may inform the terminal device whether the transmission of the second data is activated or not through the value of a certain bit of the first control information.

In a possible implementation manner, the transmitting, by the network device, the second data includes: and the network equipment sends second control information and transmits the second data, wherein the second control information is used for indicating the transmission of the second data. Here, the network device may transmit the second control information first and then transmit the second data.

Optionally, a format of the second control information is different from a format of the first control information. Therefore, the understanding of the terminal device to the control information can be ensured to be consistent with the understanding of the network device to the control information.

In another possible implementation manner, the method further includes: the network equipment sends resource configuration information, and the resource configuration information is used for configuring a third resource; wherein the network device performs transmission of the second data, and includes: the network device transmits the second data within the third resource.

Optionally, the method further comprises: and the network equipment sends first configuration information, wherein the first configuration information is used for configuring the first control information to trigger the transmission of the second data. Therefore, the network device may flexibly configure the terminal device with a second data activation mechanism, that is, the first control information is used to trigger the terminal device to transmit the second data, so as to adapt to the transmission direction of the terminal device.

Optionally, the method further comprises: the network equipment receives transmission service information from terminal equipment, wherein the transmission service information comprises a service type transmitted by the terminal equipment; and the network equipment determines the first configuration information according to the service type transmitted by the terminal equipment. Therefore, the network device can configure the second data activation mechanism for the terminal device in a targeted manner based on the service type transmitted by the terminal device, so that the detection complexity of the terminal device is reduced and the power consumption of the terminal device is saved under the condition of ensuring normal data transmission.

In a third aspect, there is provided a communication device comprising means for performing the method of the first aspect or any possible implementation manner of the first aspect; or comprise means for performing the method of the second aspect described above or any possible implementation of the second aspect.

In a fourth aspect, there is provided a communication device comprising a processor and an interface circuit, the interface circuit being configured to receive signals from other communication devices than the communication device and transmit the signals to the processor or transmit the signals from the processor to other communication devices than the communication device, and the processor being configured to implement the method of the first aspect or any possible implementation manner of the first aspect by logic circuits or executing code instructions.

In a fifth aspect, there is provided a communication device comprising a processor and an interface circuit, the interface circuit being configured to receive signals from a communication device other than the communication device and transmit the signals to the processor or transmit the signals from the processor to the communication device other than the communication device, the processor being configured to implement the method of the second aspect or any possible implementation manner of the second aspect by logic circuits or executing code instructions.

A sixth aspect provides a computer readable storage medium having stored thereon a computer program or instructions which, when executed, implement the method of the first aspect or any possible implementation manner of the first aspect.

In a seventh aspect, a computer-readable storage medium is provided, in which a computer program or instructions are stored, which, when executed, implement the method of the second aspect or any possible implementation manner of the second aspect.

In an eighth aspect, there is provided a computer program product comprising instructions which, when executed, implement the first aspect or the method in any possible implementation manner of the first aspect, or the method in any possible implementation manner of the second aspect described above.

In a ninth aspect, there is provided a communication chip having instructions stored thereon, which when run on a computer device, cause the communication chip to perform the method of the first aspect or any possible implementation manner of the first aspect.

A tenth aspect provides a communication chip having instructions stored therein, which when run on a computer device, cause the communication chip to perform the method of the second aspect or any possible implementation manner of the second aspect.

In an eleventh aspect, a communication system is provided, which comprises the communication device of the fourth aspect and the communication device of the fifth aspect.

Drawings

Fig. 1 is an architecture diagram of a communication system to which an embodiment of the present application is applied;

FIG. 2 is a schematic interaction diagram of a method of data transfer according to an embodiment of the application;

FIG. 3 is a schematic diagram of an apparatus according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a terminal device provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a network device according to an embodiment of the present application;

FIG. 6 is a schematic block diagram of an apparatus of an embodiment of the present application.

Detailed Description

The technical solution in the present application will be described below with reference to the accompanying drawings.

In the embodiments of the present application, "a plurality" may be understood as "at least two" or "two or more"; "A plurality" is to be understood as "at least two" or "two or more".

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: long Term Evolution (LTE) systems, fifth generation (5G) communication systems, New Radio (NR) systems, and future evolution communication systems.

Fig. 1 is a schematic architecture diagram of a communication system to which embodiments of the present application may be applied. As shown in fig. 1, the communication system includes a core network device 110, an access network device 120, and at least one terminal device (e.g., terminal device 130 and terminal device 140 in fig. 1). The terminal equipment is connected with the access network equipment in a wireless mode, and the access network equipment is connected with the core network equipment in a wireless or wired mode. The core network device and the access network device may be separate physical devices, or the function of the core network device and the logical function of the access network device may be integrated on the same physical device, or a physical device may be integrated with a part of the function of the core network device and a part of the function of the access network device. The terminal equipment may be fixed or mobile. Fig. 1 is a schematic diagram, and other network devices, such as a wireless relay device and a wireless backhaul device, may also be included in the communication system, which are not shown in fig. 1. The embodiments of the present application do not limit the number of core network devices, access network devices, and terminal devices included in the communication system.

The access network device is an access device that the terminal device accesses to the communication system in a wireless manner, and may be a Radio Access Network (RAN) device, a base station NodeB, an evolved NodeB (eNB), a base station (gNB) in the 5G communication system, a transmission point, a base station in a future communication system or an access node in a wireless fidelity (Wi-Fi) system, one or a group (including multiple antenna panels) of base stations in the 5G system, or may also be a network node forming the gNB or the transmission point, such as a baseband unit (BBU), a Centralized Unit (CU), or a distributed unit (distributed unit, DU). The embodiment of the present application does not limit the specific technology and the specific device form adopted by the access network device. In some deployments, the gNB may include CUs and DUs. The gNB may also include an Active Antenna Unit (AAU). The CU implements part of the function of the gNB and the DU implements part of the function of the gNB. For example, the CU is responsible for processing non-real-time protocols and services to implement functions of Radio Resource Control (RRC) layer and Packet Data Convergence Protocol (PDCP) layer. The DU is responsible for processing physical layer protocols and real-time services to implement functions of a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a Physical (PHY) layer. The AAU implements part of the physical layer processing functions, radio frequency processing and active antenna related functions. Since the information of the RRC layer eventually becomes or is converted from the information of the PHY layer, the higher layer signaling, such as the RRC layer signaling, may also be considered to be transmitted by the DU or transmitted by the DU and the AAU under this architecture. It is to be understood that the network device may be a device comprising one or more of a CU node, a DU node, an AAU node. In addition, the CU may serve as a network device in an access network, and may also serve as a network device in a Core Network (CN), which is not limited in this application.

The terminal device may also be referred to as a terminal, a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), and so on. The terminal device may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote surgery (remote medical supply), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and so on. The embodiment of the present application does not limit the specific technology and the specific device form adopted by the terminal device.

The access network equipment and the terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; can also be deployed on the water surface; it may also be deployed on airborne airplanes, balloons, and satellites. The embodiment of the application does not limit the application scenes of the access network equipment and the terminal equipment.

The embodiments of the present application may be applicable to downlink signal transmission, may also be applicable to uplink signal transmission, and may also be applicable to device-to-device (D2D) signal transmission. For downlink signal transmission, the sending device is an access network device, and the corresponding receiving device is a terminal device. For uplink signal transmission, the sending device is a terminal device, and the corresponding receiving device is an access network device. For D2D signaling, the sending device is a terminal device and the corresponding receiving device is also a terminal device.

The access network device and the terminal device may communicate with each other through a licensed spectrum (licensed spectrum), may communicate with each other through an unlicensed spectrum (unlicensed spectrum), and may communicate with each other through both the licensed spectrum and the unlicensed spectrum. The access network device and the terminal device may communicate with each other through a frequency spectrum of 6 gigahertz (GHz) or less, may communicate through a frequency spectrum of 6G or more, and may communicate using both a frequency spectrum of 6G or less and a frequency spectrum of 6G or more. The embodiment of the application does not limit the frequency spectrum resources used between the access network device and the terminal device.

In the embodiment of the present application, if not specifically stated, the network devices all refer to access network devices. The terminal device or the network device includes a hardware layer, an operating system layer running on top of the hardware layer, and an application layer running on top of the operating system layer. The hardware layer includes hardware such as a Central Processing Unit (CPU), a Memory Management Unit (MMU), and a memory (also referred to as a main memory). The operating system may be any one or more computer operating systems that implement business processing through processes (processes), such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a windows operating system. The application layer comprises applications such as a browser, an address list, word processing software, instant messaging software and the like. Furthermore, the embodiment of the present application does not particularly limit the specific structure of the execution subject of the method provided by the embodiment of the present application, as long as the execution subject can communicate with the method provided by the embodiment of the present application by running the program recorded with the code of the method provided by the embodiment of the present application, for example, the execution subject of the method provided by the embodiment of the present application may be a terminal device or a network device, or a functional module (for example, a processor, a chip, or a system-on-chip, etc.) capable of calling the program and executing the program in the terminal device or the network device.

In addition, various aspects or features of the present application may be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term "article of manufacture" as used herein is intended to encompass a computer program accessible from any computer-readable device, carrier, or media. For example, computer-readable media can include but are not limited to magnetic storage devices (e.g., hard disk, floppy disk, magnetic strips, etc.), optical disks (e.g., Compact Disk (CD), Digital Versatile Disk (DVD), etc.), smart cards, and flash memory devices (e.g., erasable programmable read-only memory (EPROM), card, stick, or key drive, etc.). In addition, various storage media described herein can represent one or more devices and/or other machine-readable media for storing information. The term "machine-readable medium" can include, without being limited to, wireless channels and various other media capable of storing, containing, and/or carrying instruction(s) and/or data.

The resources (sometimes also referred to as physical resources) in the embodiments of the present application may include one or more of time domain resources, frequency domain resources, code domain resources, or spatial domain resources. For example, the time domain resource included in the physical resource may include at least one frame, at least one sub-frame, at least one slot (slot), at least one mini-slot (mini-slot), at least one time unit, or at least one time domain symbol. For example, the frequency domain resources included in the physical resources may include at least one carrier (carrier), at least one Component Carrier (CC), at least one bandwidth part (BWP), at least one Resource Block Group (RBG), at least one physical resource block group (PRG), at least one Resource Block (RB), or at least one subcarrier (sub-carrier, SC), and the like. For example, the spatial domain resources included in the physical resources may include at least one beam, at least one port, at least one antenna port, or at least one layer/spatial layer, etc. For example, the code domain resource included in the physical resource may include at least one Orthogonal Cover Code (OCC), at least one non-orthogonal multiple access (NOMA) code, and the like.

Fig. 2 is a schematic interaction diagram of a method 200 of data transmission according to an embodiment of the application. It is understood that the terminal device in fig. 2 may be the terminal device in fig. 1 (e.g., the terminal device 130 or the terminal device 140), and may also refer to an apparatus (e.g., a processor, a chip, or a system-on-chip, etc.) in the terminal device. The network device may be the access network device 120 in fig. 1, and may also refer to an apparatus (e.g., a processor, a chip, or a system-on-chip) in the network device. It is further understood that, in fig. 2, part or all of the information interacted between the terminal device and the network device may be carried in an existing message, channel, signal, or signaling, or may be a newly defined message, channel, signal, or signaling, which is not limited specifically. As shown in fig. 2, the method 200 includes:

s210, the network device sends first control information, the first control information is used for indicating the terminal device to transmit first data and triggering the terminal device to transmit second data, and the transmission direction of the first data is different from that of the second data. Correspondingly, the terminal equipment receives the first control information.

The "transmission" in the embodiments of the present application can be flexibly understood, that is, the "transmission" can be understood as "transmission" or "reception".

Alternatively, the network device may send the first control information through a physical downlink channel. For example, the physical downlink channel may be a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH). The terminal device may obtain the first control information by detecting a physical downlink channel.

In this embodiment of the application, the first control information instructs the terminal device to transmit the first data, which may be understood as that the terminal device receives the first control information and transmits the first data according to the first control information. For example, the first control information includes control information related to scheduling of the first data, the terminal device receives the first control information, and may transmit the first data according to scheduling information included in the first control information (corresponding to the control information related to scheduling of the first data).

In this embodiment of the present application, the receiving, by the terminal device, the first control information may also be understood as: the terminal device detects, monitors or monitors the first control information, or it can also be understood that the terminal device detects, monitors or monitors a physical downlink channel carrying the first control information.

Optionally, the first control information or control information related to scheduling the first data comprises one or more of: the resource (e.g., including time domain and/or frequency domain resources) for transmitting the first data indicates information, Modulation and Coding Scheme (MCS) for transmitting the first data indicates information, Redundancy Version (RV) for transmitting the first data indicates information, and may also include other control information related to scheduling the first data.

Optionally, the first control information has a DCI format for scheduling the first data. That is, the DCI format may be used to schedule data in the same transmission direction as the first data. After receiving the first control information, the terminal device may perform transmission of the first data.

For example, taking the first data as uplink data as an example, the first control information has a DCI format for scheduling the uplink data. In the NR system, the first control information may have DCI format 0_0(DCI format 0_0) or DCI format 0_1(DCI format 0_ 1); in the LTE system, the first control information may have DCI format 0 series (DCI format 0 series), such as DCI format 0, DCI format 0A, DCI format 0B, DCI format 6-0A or 6-0B, DCI format 7-0A, or DCI format 7-0B.

For example, taking the first data as the downlink data as an example, the first control information has a DCI format for scheduling the downlink data. Under the NR system, the first control information may have a DCI format 1_0(DCI format 1_0) or a DCI format 1_1(DCI format 1_ 1); in the LTE system, the first control information may have DCI format 1 series (DCI format 1 series) or DCI format 2 series (DCI format 2 series). The DCI format 1 series can be represented as DCI format 1/1A/1B/1C/1D, DCI format 6-1A/6-1B, DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G, and the DCI format 2 series can be represented as DCI format 2/2A/2B/2C/2D, DCI format 6-2.

Here, collectively, in the embodiment of the present application, the control information (the first control information or the second control information appearing below) has a DCI format 0_0(DCI format 0_0), and it may be understood that the control information is transmitted through the DCI format 0_0, or it may be understood that the DCI format 0_0 includes the control information, or for simplifying the description, it may be understood that the control information is DCI format 0_ 0. Similarly, if the control information has other DCI formats, the control information having other DCI formats may also refer to the foregoing understanding manner, and for brevity, will not be described herein again.

It is to be understood that, in the NR system, the information sizes carried by the DCI format 0_0 and the DCI format 1_0 are the same (for convenience of description, it may be abbreviated that the sizes of the DCI format 0_0 and the DCI format 1_0 are the same), and the information sizes carried by the DCI format 0_1 and the DCI format 1_1 may also be the same (for convenience of description, it may be abbreviated that the sizes of the DCI format 0_1 and the DCI format 1_1 are the same). The terminal equipment can distinguish whether the detected DCI format is used for scheduling downlink data transmission or uplink data transmission through 1bit in the DCI format 0_0 or the DCI format 1_ 0; similarly, the terminal device may distinguish whether the detected DCI format is used for scheduling downlink data transmission or uplink data transmission by 1bit in DCI format 0_1 or DCI format 1_ 1.

In this embodiment, the network device may further trigger transmission of the second data through the first control information. Wherein, the transmission direction of the first data is different from the transmission direction of the second data. That is, the first control information may be used not only to instruct the terminal device to transmit the first data, but also to trigger the terminal device to transmit the second data. Here, "trigger" may also be understood as "activation", or "request", etc. For purposes of the present description, the terms "activate" and "trigger" may be used interchangeably and are to be considered to be synonymous. Specifically, the first control information may be used to activate the terminal device to transmit the second data. It is understood that the terminal device may determine whether the transmission of the second data is activated based on the first control information.

The transmission direction of the first data being different from the transmission direction of the second data may refer to: the first data is transmitted in a direction opposite to the second data. For example, if the first data is uplink data, the second data is downlink data; or, if the first data is downlink data, the second data is uplink data.

In this embodiment of the present application, the transmission direction of the uplink data and the downlink data is a data transmission direction between the terminal device and the network device, that is, the uplink data is data sent by the terminal device to the network device, and the downlink data is data sent by the network device to the terminal device.

The transmission direction of the first data being different from the transmission direction of the second data may further refer to: the first data is data (such as uplink data or downlink data) transmitted between the terminal device and the network device, and the second data is data transmitted between the terminal device and one or more other terminal devices; or the first data is data transmitted between the terminal device and one or more other terminal devices, and the second data is data transmitted between the terminal device and the network device; or the first data is data sent by the terminal device to the other one or the other plurality of terminal devices, and the second data is data received by the terminal device from the other one or the other plurality of terminal devices; or the first data is data received by the terminal device from the other terminal device or the other terminal devices, and the second data is data transmitted by the terminal device to the other terminal device or the other terminal devices.

In the embodiment of the present application, transmitting the first data may be understood as sending the first data (for example, the first data is uplink data) or receiving the first data (for example, the first data is downlink data), and transmitting the second data may be understood as sending the second data (for example, the second data is uplink data) or receiving the second data (for example, the second data is downlink data).

It is to be understood that "the first data" and "the second data" are introduced here only for convenience of distinguishing data of different transmission directions, and do not limit the embodiments of the present application. It will be appreciated that the first data or the second data may be used to refer broadly to data received or transmitted by the terminal device, rather than a particular data transmission. For example, the first data is uplink data, and the second data is downlink data; or, the first data is downlink data and the second data is uplink data.

Optionally, the first control information includes first indication information, where the first indication information is used to trigger the terminal device to transmit the second data. The network device may activate the terminal device to transmit the second data through the first indication information in the first control information. Correspondingly, the terminal device may determine whether transmission of the second data is activated through the first indication information in the first control information.

Optionally, the first indication information is contained in one or more of the following fields in the first control information: a transmission direction indication field and a redundancy status field. The redundancy status field may be a spare field, a reserved field, or a resource indication redundancy status field. Wherein, the free spare field or reserved field may represent a field without any specific information; the redundant status field of a resource indication may represent the redundant status in the resource indication, e.g., assuming that X bits are used to implement the resource indication, X bits may indicate 2^ X maximum states, but the resource indication only uses Y states therein (Y is less than 2^ X), then the other states in 2^ X except Y may be understood as the redundant status field of the resource indication, where 2^ X represents the power of X of 2. The redundancy status resource indicated by the resource may be included in, for example, frequency domain resource allocation (frequency domain resource allocation) in the DCI format.

Exemplarily, the first indication information may be contained in a transmission direction indication field of the first control information; or, contained in a redundant status field of the first control information; or, may be included in the transmission direction indication field and the redundancy status field of the first control information.

For example, taking the NR system as an example, the DCI format 0_0 used for scheduling uplink data transmission and the DCI format 1_0 used for scheduling downlink data transmission have the same size, and the terminal device may distinguish whether the currently detected DCI format is used for scheduling downlink data or uplink data by 1bit therein, for convenience of description, the DCI format 0_0 and the DCI format 1_0 may be collectively referred to as DCI format x _0, where x may be equal to 0 or equal to 1. In this embodiment of the application, the 1bit (bit) included in the DCI format x _0 for distinguishing between uplink and downlink data transmission may be understood as the first indication information, that is, the terminal device may distinguish whether transmission of the second data is activated by using the 1bit information. It is understood that all or a part of other bits included in the DCI format x _0 may be used to represent the first control information. In the embodiment of the present application, the information carried by the DCI format or the information included in the DCI format may be understood as that the information is sent through the DCI format.

For example, when the terminal device is dominated by the above traffic transmission, the meaning of the 1bit in the DCI format x _0 may be as shown in table 1 or table 2 below.

TABLE 1

Value of 1bit	Means of
0	Scheduling uplink data transmissions without downlink data transmissions being activated
1	Scheduling uplink data transmissions and downlink data transmissions being activated

TABLE 2

Value of 1bit	Means of
1	Scheduling uplinkData transmission and downlink data transmission are not activated
0	Scheduling uplink data transmissions and downlink data transmissions being activated

As can be seen from table 1 or table 2, 1bit in the DCI format x _0 for distinguishing between uplink and downlink data is not only used for scheduling uplink data transmission, but also used for distinguishing whether downlink data transmission is activated.

For another example, when the terminal device is dominated by the following traffic transmission, the meaning of the 1bit in the DCI format x _0 may be as shown in table 3 or table 4 below.

TABLE 3

Value of 1bit	Means of
0	Scheduling downlink data transmissions without uplink data transmissions being activated
1	Scheduling downlink data transmissions and uplink data transmissions being activated

TABLE 4

Value of 1bit	Means of
1	Scheduling downlink data transmissions without uplink data transmissions being activated
0	Scheduling downlink data transmissions and uplink data transmissions being activated

As can be seen from table 3 or table 4, 1bit in the DCI format x _0 for distinguishing between uplink and downlink data is not only used for scheduling downlink data transmission, but also used for distinguishing whether uplink data transmission is activated.

It should be understood that the specific values and the number of bits corresponding to 1bit in tables 1 to 4 are only exemplary descriptions, and do not limit the scope of the embodiments of the present application. It is understood that the 1bit may be other bit numbers, and is not limited thereto.

Optionally, the function of distinguishing whether the transmission of the second data is activated is performed by the first indication information, and the function is for a terminal device having a transmission direction as a main transmission direction. Whereas for other terminal devices the first indication may have a different meaning. For example, for a terminal device with uplink traffic as a main or downlink traffic as a main, 1bit in the DCI format x _0 used for distinguishing between uplink and downlink data is not only used for scheduling downlink data transmission but also used for distinguishing whether uplink data transmission is activated.

If the terminal device knows that the transmission of the second data is activated according to the first control information, the terminal device may perform S220.

And S220, the terminal equipment transmits the second data. Correspondingly, the network device transmits the second data. Here, "transmission of the second data" may be understood as "receiving the second data", or "transmitting the second data".

For example, if the second data is downlink data, the network device sends the second data to the terminal device, and correspondingly, the terminal device receives the downlink data; and if the second data is uplink data, the terminal equipment sends the second data to the network equipment, and correspondingly, the network equipment receives the second data.

In this embodiment, the transmission direction of the first data may be a transmission direction of a main service corresponding to the terminal device. For example, if the terminal device mainly transmits the business service, the transmission direction of the first data is uplink; assuming that the terminal device is mainly configured to transmit downlink traffic, the transmission direction of the first data is downlink. Assuming that the transmission direction of the first data is uplink, since the transmission direction of the first data is the transmission direction of the main service corresponding to the terminal device, the terminal device always detects the first control information for scheduling the first data. The embodiment of the application adds the indication whether the second data is triggered or not in the first control information, so that the terminal device can determine when to start transmitting the second data or detect the second control information for scheduling the second data. In contrast to the terminal device always blindly detecting the second control information for scheduling the second data, the terminal device may not necessarily always blindly detect the second control information. Therefore, the detection complexity of the terminal equipment and the energy consumption can be reduced under the condition of saving signaling overhead.

In this embodiment, if the terminal device determines that the transmission of the second data is triggered, the terminal device performs an operation related to the transmission of the second data. Of course, if the terminal device determines that the transmission of the second data is not triggered according to the first control information, the terminal device does not need to perform an operation related to the transmission of the second data. For example, the operation associated with the second data transmission includes detecting the second control information. The terminal device may perform the transmission of the second data in any one of the following manners. Which will be described separately below.

Mode 1, the network device sends the second control information. Correspondingly, the terminal equipment receives the second control information and transmits second data. Wherein the second control information is used for instructing the terminal device to transmit second data.

In particular, if the terminal device determines that the transmission of the second data is activated, the terminal device may start to blindly detect the control information for scheduling the second data, i.e. the second control information. And the terminal equipment transmits the second data after receiving the second control information.

It can be understood that, if the first control information is used for scheduling transmission of uplink data, the second control information is used for scheduling transmission of downlink data; the second control information is used to schedule transmission of uplink data if the first control information is used to schedule transmission of downlink data.

Alternatively, the network device may send the second control information through a physical downlink channel. For example, the physical downlink channel may be a PDCCH or a PDSCH. The terminal device may obtain the second control information by detecting the physical downlink channel.

In this embodiment of the application, the second control information instructs the terminal device to transmit the second data, which may be understood as that the terminal device receives the second control information and transmits the second data according to the second control information. For example, the second control information includes control information related to scheduling of the second data, the terminal device receives the second control information, and may transmit the second data according to scheduling information included in the second control information (corresponding to the control information related to scheduling of the second data).

In this embodiment of the application, the receiving, by the terminal device, the second control information may also be understood as: the terminal device detects, monitors or monitors the second control information, or it can also be understood that the terminal device detects, monitors or monitors a physical downlink channel carrying the second control information.

Optionally, the second control information or control information related to scheduling the second data comprises one or more of: the resource (including time domain and/or frequency domain resource) indicating information for transmitting the second data, the modulation coding scheme MCS indicating information used for transmitting the second data, the redundancy version RV indicating information used for transmitting the second data, and other control information related to scheduling the second data may also be included.

Optionally, the second control information has a DCI format for scheduling the second data. That is, the DCI format may be used to schedule data in the same transmission direction as the second data. And after receiving the second control information, the terminal equipment can transmit second data.

For example, taking the second data as the downlink data as an example, the second control information has a DCI format for scheduling the downlink data. Under the NR system, the second control information may have a DCI format 1_0(DCI format 1_0) or a DCI format 1_1(DCI format 1_ 1); in the LTE system, the second control information may have DCI format 1 series (DCI format 1 series) or DCI format 2 series (DCI format 2 series). The DCI format 1 series can be represented as DCI format 1/1A/1B/1C/1D, DCI format 6-1A/6-1B, DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G, and the DCI format 2 series can be represented as DCI format 2/2A/2B/2C/2D, DCI format 6-2.

For example, taking the second data as uplink data as an example, the second control information has a DCI format for scheduling the uplink data. In the NR system, the second control information may have DCI format 0_0(DCI format 0_0) or DCI format 0_1(DCI format 0_ 1); in the LTE system, the second control information may have DCI format 0 series (DCI format 0 series), such as DCI format 0, DCI format 0A, DCI format 0B, DCI format 6-0A or 6-0B, DCI format 7-0A, or DCI format 7-0B.

For example, taking the NR system as an example, assuming that the terminal device mainly uses uplink traffic, the second control information may be transmitted through DCI format x _0 or DCI format y _1, where the number of control information bits that can be transmitted by DCI format y _1 is different from the number of control information bits that can be transmitted by DCI format x _ 0. Optionally, y may take the value 0 or 1. Optionally, the DCI format 0_1 may be used to schedule uplink data transmission, and the DCI format 1_1 may be used to schedule downlink data transmission.

It can be understood that, if the control information triggering the terminal device to transmit the second data is sent through the DCI format x _0, after the terminal device determines that the transmission of the second data is activated, the terminal device may still determine whether the detected DCI format x _0 is used for scheduling downlink data transmission through the control information included in the DCI format x _ 0. Or determining whether the detected DCI format y _1 is used for scheduling downlink data transmission according to control information included in the DCI format y _ 1. Or determining whether the DCI format is used for scheduling downlink data transmission according to control information included in other DCI formats, where the number of control information bits that the other DCI formats can transmit is different from the number of control information bits that the DCI format x _0 can transmit. For example, the terminal device may determine whether the detected DCI format x _0 is used for scheduling downlink data transmission by using a bit included in the DCI format x _0 for distinguishing between uplink and downlink data transmission, or may determine whether the detected DCI format y _1 is used for scheduling downlink data transmission by using a bit included in the DCI format y _1 for distinguishing between uplink and downlink data transmission.

It is to be understood that, when the first control information and the second control information are transmitted through the same DCI format, bits included in the first control information or the second control information for distinguishing between uplink and downlink data transmissions may also have different meanings with respect to whether transmission of the second data is activated. Assuming that the second data is downlink data, the values of 0 and 1 corresponding to the 1bit have different meanings before the downlink data is not activated; after the downlink data is activated, the values of 0 and 1 corresponding to the 1bit have different meanings. As shown in table 5 below:

TABLE 5

In table 5, if the transmission of the downlink data is not activated, then 0 corresponding to the 1bit indicates that the uplink data transmission is scheduled and the downlink data transmission is not activated; if the transmission of the downlink data is activated, then 0 corresponding to the 1bit indicates that the uplink data transmission is scheduled. If the transmission of the downlink data is not activated, the 1bit corresponding to the 1bit indicates that the uplink data transmission is scheduled and the downlink data transmission is activated; if the transmission of the downlink data is activated, the 1 corresponding to the 1bit indicates that the downlink data transmission is scheduled.

It should be understood that the values and the number of bits corresponding to the 1bit in table 5 are only described by way of example, and do not limit the scope of the embodiments of the present application. It is understood that the 1bit may be other bit numbers, and is not limited thereto.

As can be seen from the above description, the same meaning of 1bit is different in the case where the second data is activated and inactivated. It is understood that the above description is exemplified by a transmission direction indication field (corresponding to the first indication information in the embodiment of the present application) triggering the terminal device to transmit the second data. When the first indication information is represented by other fields in the first control information, the meaning of the same information field may also be different in the case where the second data is activated and not activated.

For example, when the first indication information is represented by a redundancy status field included in the first control information, in a case where the second data is not activated, the redundancy status field may be used to indicate whether the second data transmission is activated. The redundancy status field may be used to indicate a redundancy status when the second data is activated. Determining the meaning of the information field corresponding to the first indication information according to whether the second data transmission is activated may cause the following problems: if the terminal device misses the control information (first control information) for activating the second data transmission, it may cause the terminal device and the network device to have inconsistent understanding of the control information, resulting in invalid data transmission or even erroneous data transmission. Here, the information field corresponding to the first indication information may be understood as an information field for triggering the terminal device to transmit the second data, for example, a transmission direction indication field, a redundancy status field, and the like.

For ease of understanding, the above problems are described below with reference to specific examples. Assuming that the terminal device is based on the uplink service, the first control information is DCI format x _0, and the bit in the DCI format x _0 used for distinguishing the uplink data transmission from the downlink data transmission is also used for determining whether the downlink data transmission is activated. And when the downlink data transmission is not activated, the network equipment sends the DCI format x _0 and sets the 1bit to be 1 so as to activate the transmission of the downlink data. For a network device, the network device considers that a downlink data transmission has been activated. Therefore, when the network device transmits the DCI format x _0 again and sets 1bit therein to 1 in the next transmission, it indicates that the DCI format x _0 is control information (corresponding to the second control information) for scheduling downlink data. However, if the terminal device fails to detect or erroneously detects the DCI format x _0 for downlink data transmission activation, when the terminal device detects the DCI format x _0 again, the terminal device may interpret the DCI format x _0 as control information (corresponding to the first control information) for activating downlink data transmission activation, instead of control information (corresponding to the second control information) for scheduling downlink data transmission. On one hand, this may cause that the downlink data transmitted by the network device according to the second control information is not correctly received by the terminal device, resulting in a waste of downlink resources, i.e. the current downlink data transmission is invalid. On the other hand, the terminal device may also misunderstand that the re-detected DCI format x _0 is used for uplink data scheduling, and therefore uplink data may be transmitted using wrong scheduling information, which may cause interference to uplink data transmission of other terminal devices. In view of these problems, the embodiments of the present application provide different methods to ensure that the terminal device and the network device have a consistent understanding of whether the transmission of the second data is activated.

Optionally, the format of the second control information is different from the format of the first control information. For example, the DCI format of the first control information may be different from the DCI format of the second control information, and the number of bits corresponding to the first control information may be different from the number of bits corresponding to the second control information.

For example, assuming that the network device distinguishes whether downlink data transmission is activated through 1bit included in the DCI format x _0, the network device distinguishes the transmission direction of the scheduled data through 1bit included in the DCI format y _1, where the DCI format x _0 and the DCI format y _1 are different in size (or may also be understood as that the DCI format x _0 and the DCI format y _1 are different in format). In this case, it can be understood that, for such a terminal device mainly using uplink traffic, the DCI format x _0 no longer distinguishes the data transmission direction scheduled by the DCI format x _0 through the included 1 bit. Of course, the network device may also distinguish whether downlink data transmission is activated through 1bit included in the DCI format y _1, and distinguish a transmission direction of scheduled data through 1bit included in the DCI format x _0, which is not specifically limited in this regard. It can be understood that, for a terminal device which mainly transmits first data, distinguishing whether transmission of second data is activated through 1bit included in DCI format x _0, and distinguishing the transmission direction of scheduled data through 1bit included in DCI format y _1 saves signaling overhead more. This is because, for the terminal device, the DCI format x _0 is generally a DCI format that the terminal device defaults to detect. This avoids the following problems: in order to introduce a data transmission (corresponding to the second data transmission in this application) activation mechanism opposite to the first data transmission mainly performed by the terminal device, when the second data transmission is not activated, the network device configures additional DCI format detection for the terminal device, and adds additional control signaling overhead.

Optionally, as another possible implementation manner, the first resource corresponding to the first control information is different from the second resource corresponding to the second control information. Here, by distinguishing the resource where the control information is located, it is ensured that the terminal device and the network device have a consistent understanding of whether the second data is activated. For example, the network device transmits first control information on a first resource and transmits second control information on a second resource. Correspondingly, the terminal equipment receives the first control information at the first resource and receives the second control information at the second resource.

The first resource being different from the second resource may refer to: the resource location of the first resource is different from the resource location of the second resource. Optionally, the first resource and the second resource may partially overlap (for example, the first resource and the second resource partially overlap in the time domain and/or the frequency domain), or may not completely overlap (for example, the first resource and the second resource do not overlap in the time domain and the frequency domain), which is not limited in this respect.

The first resource may be understood as a time-frequency resource including first control information, and the second resource may be understood as a time-frequency resource including second control information. For example, in an NR system, a first Resource is represented by a first Set of Control resources (CORESET), and similarly, a second Resource may also be represented by a second CORESET. For another example, in an NR system, a first resource may be represented by a first search space and a second resource may be represented by a second search space, where the first search space corresponds to a detection location that is different from a detection location corresponding to the second search space. For another example, in an NR system, a first resource may be represented by a first CORESET and a first search space, and a second resource may be represented by a second CORESET and a second search space.

In the embodiment of the present application, the CORESET may be understood as a resource set for transmitting downlink control information, and may also be referred to as a control resource region or a PDCCH resource set. The search space may be considered as a set of candidate downlink control channels, and may be understood as a set formed by combining one or more candidate downlink control channels. Wherein each candidate downlink control channel can be used for carrying downlink control information. The terminal device needs to monitor the candidate downlink control channels, so the search space is also the set of candidate downlink control channels monitored by the terminal device. The detection position corresponding to the search space may be understood as a position at which the terminal device monitors the candidate downlink control channel set.

For example, taking a terminal device with an uplink service as a main service as an example, a network device sends first control information on a first resource, where the first control information is used to schedule uplink data transmission and is also used to activate transmission of downlink data, for example, the first control information is DCI format x _0, a value of 1bit in the DCI format x _0 is 1, the interpretation of table 1 is adopted to interpret 1bit in the DCI format x _0 for distinguishing uplink data transmission from downlink data transmission, and it is known that the 1bit is used to indicate activation of transmission of downlink data. Subsequently, the network device may continue to schedule the uplink data of the terminal device through DCI format 0_0 or DCI format 0_1 in the first resource, and schedule the downlink data of the terminal device through the second control information (for example, the second control information is DCI format 1_0 or DCI format 1_1) in the second resource. Or, the network device may schedule the uplink data and the downlink data of the terminal device in the second resource, for example, the network device may schedule the uplink data of the terminal device on the second resource through the first control information (for example, the first control information is DCI format 0_0 or DCI format 0_1), and may schedule the downlink data of the terminal device on the second resource through the second control information (for example, the second control information is DCI format 1_0 or DCI format 1_ 1). That is, in this case, the network device may schedule uplink data for the terminal device on the first resource and activate transmission of the downlink data, and schedule downlink data for the terminal device on the second resource, or schedule downlink data and uplink data on the second resource. In this case, even if the terminal device fails to detect or erroneously detects the network device DCI format x _0, the terminal device does not understand the first control information detected subsequently in the first resource as the control information for scheduling downlink data transmission. This is because, under the above method, the control information for scheduling downlink data transmission is transmitted within the second resource, i.e. the terminal device may consider the second control information detected at the second resource as the control information for scheduling downlink data transmission. Therefore, the terminal equipment can not influence the uplink data transmission of other terminal equipment, and the multi-user multiplexing performance is ensured.

It can be understood that each example of the embodiment of the present application is described in the case that the terminal device mainly uses the uplink service, and in fact, the embodiment of the present application is also applicable to the terminal device mainly uses the downlink service, and details are not described herein for brevity. Optionally, the first resource and/or the second resource may be configured by the network device to the terminal device, or may be predefined, which is not particularly limited. For example, the network device configures one or more of the following through Radio Resource Control (RRC) signaling: the time-frequency resource size corresponding to the first CORESET, the time-frequency resource size corresponding to the second CORESET, the first search space and the second search space. When the terminal device receives the first control information, and the first control information is used not only for scheduling transmission of the first data but also for activating transmission of the second data, the terminal device may detect the second control information according to the configured search space within the configured set of control resources.

Optionally, the first control information and the second control information may be further distinguished in other manners, for example, may be distinguished by scrambling the DCI format with different Radio Network Temporary Identities (RNTIs). If the first control information and the second control information are transmitted through the same DCI format (e.g., DCI format a), the DCI format a may be scrambled by different RNTIs to distinguish whether the DCI format a corresponds to the first control information or the second control information. If the first control information and the second control information are transmitted through the PDSCH, the PDSCH may be scrambled by different RNTIs to distinguish whether the first control information or the second control information is correspondingly transmitted through the PDSCH. Optionally, one RNTI may include 16 bits, and RNTIs corresponding to different bit values are different, for example, FFFF and FFFE may represent two different RNTIs, where F represents 1111 and E represents 1110. It is to be understood that the description is given by taking an example of distinguishing different control information by using an RNTI scrambling method, and different control information may also be distinguished by using other methods, which is not particularly limited.

In the above mode 1, the network device may configure multiple sets of search spaces (search spaces) for the terminal device, so as to reduce the number of blind detections of the terminal device. Optionally, the first control information corresponds to a first search space, and the second control information corresponds to a second search space, where a maximum blind detection number corresponding to the first search space is smaller than a maximum blind detection number corresponding to the second search space.

Specifically, the terminal device detects the first control information in the first search space when the transmission of the second data is not activated. The terminal device can detect the first control information before reaching the maximum blind detection times corresponding to the first search space, wherein the maximum blind detection times corresponding to the first search space are smaller than the maximum blind detection times corresponding to the second search space. The terminal device may detect the second control information in the second search space after the transmission of the second data is activated. The blind detection times for detecting the first control information by the terminal device are smaller, so that the power consumption of the terminal device can be further saved. Here, the terminal device may further detect the first control information in the second search space after the transmission of the second data is activated. This is because, after the transmission of the second data is activated, the subsequent first control information may be used to schedule the transmission of the first data, not to activate the transmission of the second data. At this time, the terminal device may continue to detect the first control information to facilitate transmission of the first data.

In summary, based on the method 1, the terminal device first detects the second control information and then performs transmission of the second data.

Mode 2, the terminal device transmits the second data in the configured third resource according to the configured data transmission format, where the third resource may include a resource for transmitting the second data, and the data transmission format includes one or more of the following: modulation mode, data transmission block size, demodulation reference signal configuration, and data transmission power control information.

For example, the modulation scheme may be Quadrature Phase Shift Keying (QPSK) or Quadrature Amplitude Modulation (QAM), where QAM may be 16QAM, 64QAM, or 256 QAM. The data transport block size may be expressed in terms of Transport Block Size (TBS). For example, when the terminal device transmits the second data, the information data size of a single transmission may be represented by the TBS. For example, a demodulation reference signal (DMRS) configuration may be a resource for transmitting a demodulation reference signal. The data transmission power control information is used to control the transmission power of the second data. It will be appreciated that the data transmission format may also include other control information associated with transmitting the second data.

In mode 2, one or more of the control information (e.g., second control information) related to the transmission of the second data may be preconfigured. The terminal device does not need to receive the second control information first and then transmit the second data. Mode 2 can be understood as a grant free (grant free) data transmission mode. After the terminal device determines that the transmission of the second data is activated according to the first control information, the terminal device may utilize the preconfigured resource to perform the transmission of the second data with the network device according to the configured data transmission format without detecting the second control information first and then transmitting the second data in the physical shared channel. For example, the physical shared channel may be a Physical Downlink Shared Channel (PDSCH) or a Physical Uplink Shared Channel (PUSCH). For example, for a terminal device that mainly uses an uplink service, downlink data (for example, software upgrade information) received by the terminal device may be sent periodically, and the data amount of downlink data transmission generally has a small difference, in this scenario, the terminal device uses the method 2 to transmit second data, which may reduce the overhead of a control channel.

Optionally, the third resource may be configured by the network device for the terminal device, or may be predefined, which is not particularly limited. Illustratively, the network device sends resource configuration information to the terminal device, the resource configuration information being used for configuring the third resource. Correspondingly, the terminal device receives the resource configuration information to determine the third resource.

Optionally, the network device may configure the resource pool for the terminal device. Wherein the third resource may be a resource pool. And the terminal equipment transmits the second data on part or all of the third resources according to the configured data transmission format. Correspondingly, the network device transmits the second data on part or all of the third resources.

Or, the third resource configured by the network device for the terminal device is a resource for actually transmitting the second data. And the terminal equipment uses the third resource to transmit the second data. Correspondingly, the network device uses the third resource to transmit the second data.

Optionally, the third resource may be a periodic resource (i.e., the third resource occurs periodically), or may be an aperiodic resource (i.e., the third resource occurs non-periodically), which is not particularly limited. If the third resource is an aperiodic resource, the beginning valid location of the third resource can be set. For example, the third resource may come into effect after a time interval after the transmission of the second data is activated. Optionally, the time interval may be configured by the network device or predefined, which is not particularly limited. Optionally, the effective time length of the third resource may be configured by the network device or predefined, which is not limited in particular.

In summary, based on the method 2, the terminal device may directly perform transmission of the second data without detecting the second control information.

Therefore, the terminal device can perform transmission of the second data by the above-described mode 1 or mode 2.

In this embodiment, the process or mechanism for the terminal device to determine whether the transmission of the second data is activated through the first control information may be configured by the network device.

Optionally, the method 200 further comprises: s230, the network device sends first configuration information (or activation configuration information) to the terminal device, where the first configuration information is used to configure first control information for triggering the terminal device to transmit second data. Correspondingly, the terminal device receives the first configuration information from the network device.

Optionally, the network device may send the first configuration information to the terminal device before sending the first control information to the terminal device, or at other time, which is not particularly limited.

Specifically, the network device may configure the following mechanism for the terminal device: it is determined whether transmission of the second data is activated using (or using) the first control information. Here, for convenience of description, the mechanism may be simply referred to as "second data activation mechanism". When the terminal device does not receive the first configuration information, the terminal device detects both first control information and second control information, wherein the first control information is used for indicating transmission of first data, and the second control information is used for indicating transmission of second data. Taking a terminal device mainly for uplink service as an example, before the terminal device does not receive the first configuration information, even if the terminal device detects the first control information for scheduling uplink data transmission in a time unit, it needs to continuously detect whether the second control information for scheduling downlink data transmission exists in the time unit. After the terminal device receives the first configuration information, the terminal device may perform data transmission in the manner of the foregoing embodiment, specifically, when the terminal device determines that the first control information is used to trigger the terminal device to transmit the second data, the terminal device may not detect the second control information, or transmit the second data by using the configured third resource; after determining that the second data transmission is activated, the terminal device starts detecting the second control information again, or transmits the second data using the configured third resource.

Optionally, after receiving the first configuration information, the terminal device may send response information to the network device, where the response information is used to notify the network device that the terminal device has correctly received the first configuration information. Correspondingly, the network device receives the response information from the terminal device.

Optionally, the response information may be carried by a physical channel, a higher layer message, or another type of message, which is not particularly limited. For example, the response information may be carried by a PUSCH, a Physical Uplink Control Channel (PUCCH), a Medium Access Control (MAC) Control Element (CE), or an RRC message.

Optionally, the method 200 further comprises: the terminal device sends transmission service information to the network device, where the transmission service information includes a service type transmitted by the terminal device or a data transmission direction corresponding to the service type of the terminal device. Correspondingly, the network device receives the transmission service information from the terminal device. The network device determines the first configuration information according to the service type transmitted by the terminal device or the data transmission direction or transmission service information corresponding to the service type of the terminal device.

Optionally, the terminal device may send the transmission service information to the network device before the network device sends the first configuration information, or may send the transmission service information to the network device at other occasions, which is not limited specifically.

Specifically, the terminal device sends the transmission service information to the network device to assist the network device in determining whether the second data activation mechanism needs to be configured for the terminal device. If the terminal device is mainly used for data transmission in a certain transmission direction, the network device may send first configuration information for the terminal device, where the first configuration information is used to configure first control information for triggering the terminal device to transmit second data. For the specific description of the first configuration information, reference is made to the above description, and for brevity, the detailed description is omitted here. . That is, after receiving the transmission service information, the network device may determine to configure the second data activation mechanism for the terminal device. For example, if the service type transmitted by the terminal device is the above behavior master, the first configuration information determined by the network device is used for configuring the first control information to trigger the transmission of the downlink data; if the service type transmitted by the terminal device is the following action principal, the first configuration information determined by the network device is used for configuring the first control information to trigger the transmission of the uplink data. Therefore, the network device can configure the second data activation mechanism for the terminal device in a targeted manner based on the service type transmitted by the terminal device, so that the detection complexity of the terminal device is reduced and the power consumption of the terminal device is saved under the condition of ensuring normal data transmission.

In order to further save the power consumption of the terminal device, the embodiment of the present application further introduces a deactivation mechanism for the second data transmission. The deactivation mechanism is: after a period of time, the transmission of the second data is deactivated. Taking the terminal device mainly based on the uplink service as an example, the terminal device mainly based on the uplink service does not always need to transmit downlink data, and through the deactivation mechanism, after determining that the transmission of the downlink data is deactivated, the terminal device may not detect the control information (i.e., the second control information) for scheduling the transmission of the downlink data any more, which is beneficial to reducing the blind detection complexity of the terminal device and reducing the energy consumption. The description will be developed below.

Optionally, the method 200 further comprises: after the first set time, the terminal equipment performs one or more of the following operations: stopping detecting the second control information; the transmission of the second data is stopped. Here, after the first set time, the terminal device may stop performing the second data-related operation, for example, with respect to mode 1, the terminal device may no longer detect the second control information; for the method, the terminal device may stop transmitting the second data within the configured third resource.

Alternatively, the first set time may be a time period or a time, which is not particularly limited. The first set time may be predefined or configured by the network device for the terminal device, which is not limited in particular. Optionally, if the first set time is a time period, one or more of a start time, an end time (or a termination time), and a time difference between the start time and the end time of the time period may be configured by the network device or predefined, which is not limited in this respect.

Alternatively, the start time, the end time, and the difference between the start time and the end time of the first set time may be expressed in absolute values (for example, which second(s) the start time and the end time are, or which millisecond (ms) the time unit the start time and the end time are, and the difference between the start time and the end time is, or in time units (for example, in which time unit the start time and the end time are), and the present invention is not limited thereto. If expressed in absolute terms, the units of measurement of absolute values may be in seconds(s), milliseconds (ms), or other granularity.

The time unit may be other time domain units such as a frame, a subframe, a slot (slot), a mini-slot (or mini-slot), or a symbol. The micro time slot is a time domain unit with the time domain length smaller than the time slot. For example, a frame has a time length of 10 milliseconds (ms), and includes 10 subframes, and each subframe corresponds to a time length of 1 ms. One slot includes 12 symbols in the case of an extended cyclic prefix and 14 symbols in the case of a normal cyclic prefix. The time domain symbol may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol. A minislot includes fewer than 14 time domain symbols, such as 2 or 4 or 7, and so on. Or, a time slot may include 7 time domain symbols, and the number of time domain symbols included in a micro time slot is less than 7, such as 2 or 4, and the specific value is not limited.

For example, the first set time may be implemented by a timer (timer). Assuming that the terminal device determines that the transmission of the second data is activated at time T1, the starting time of the timer may correspond to T1+ Tstart, and the timeout time may correspond to T1+ Tend, where Tstart may be greater than or equal to 0 and Tend to be greater than 0. Wherein Tstart, Tend, or the difference between Tstart and Tend may be configured by the network device or predefined.

Therefore, the terminal device stops detecting the second control information or stops transmitting the second data after the timer is judged to be overtime, so as to achieve the purpose of further saving power consumption.

Corresponding to the method provided by the above method embodiment, the embodiment of the present application further provides a corresponding apparatus, where the apparatus includes a module for executing the above embodiment. The module may be software, hardware, or a combination of software and hardware. It is understood that the technical features described in the method embodiments are equally applicable to the following apparatus embodiments.

Fig. 3 shows a schematic structural diagram of an apparatus. The apparatus 1500 may be a network device, a terminal device, a chip system, a processor, or the like, which supports the network device to implement the method described above, or a chip, a chip system, a processor, or the like, which supports the terminal device to implement the method described above. The apparatus may be configured to implement the method described in the method embodiment, and refer to the description in the method embodiment.

The apparatus 1500 may comprise one or more processors 1501, which processors 1501 may also be referred to as processing units, which may implement certain control functions. The processor 1501 may be a general-purpose processor, a special-purpose processor, or the like. For example, a baseband processor or a central processor. The baseband processor may be configured to process communication protocols and communication data, and the central processor may be configured to control a communication device (e.g., a base station, a baseband chip, a terminal chip, a DU or CU, etc.), execute a software program, and process data of the software program.

In an alternative design, the processor 1501 may also store instructions and/or data 1503, which may be executed by the processor to cause the apparatus 1500 to perform the methods described in the above method embodiments.

In an alternative design, processor 1501 may include a transceiver unit to perform receive and transmit functions. The transceiving unit may be, for example, a transceiving circuit, or an interface circuit. The transmit and receive circuitry, interfaces or interface circuitry used to implement the receive and transmit functions may be separate or integrated. The transceiver circuit, the interface circuit or the interface circuit may be used for reading and writing code/data, or the transceiver circuit, the interface circuit or the interface circuit may be used for transmitting or transferring signals.

In yet another possible design, apparatus 1500 may include circuitry that may perform the functions of transmitting or receiving or communicating in the foregoing method embodiments.

Optionally, the apparatus 1500 may include one or more memories 1502, on which instructions 1504 may be stored, which are executable on the processor to cause the apparatus 1500 to perform the methods described in the above method embodiments. Optionally, the memory may further store data therein. Optionally, instructions and/or data may also be stored in the processor. The processor and the memory may be provided separately or may be integrated together. For example, the correspondence described in the above method embodiments may be stored in a memory or in a processor.

Optionally, the device 1500 may also include a transceiver 1505 and/or an antenna 1506. The processor 1501, which may be referred to as a processing unit, controls the apparatus 1500. The transceiver 1505 may be referred to as a transceiver unit, a transceiver, a transceiving circuit or a transceiver, etc. for implementing transceiving functions.

In one possible design, an apparatus 1500 (e.g., an integrated circuit, a wireless device, a circuit module, or a terminal device, etc.) may include: the processor 1501 is configured to invoke the transceiver 1505 to receive first control information, where the first control information is used to instruct the terminal device to transmit first data and is used to trigger the terminal device to transmit second data, and a transmission direction of the first data is different from a transmission direction of the second data; and transmitting the second data.

Optionally, the first control information includes first indication information, where the first indication information is used to trigger the terminal device to transmit the second data.

Optionally, the first indication information is contained in one or more of the following fields in the first control information: a transmission direction indication field and a redundancy status field.

Optionally, the processor 1501 performs transmission of the second data, including: invoking the transceiver 1505 to receive second control information and transmit the second data, wherein the second control information is used for instructing the terminal device to transmit the second data.

Optionally, a format of the second control information is different from a format of the first control information.

Optionally, a first resource corresponding to the first control information is different from a second resource corresponding to the second control information.

Optionally, the first control information corresponds to a first search space, and the second control information corresponds to a second search space, where a maximum blind detection number corresponding to the first search space is smaller than a maximum blind detection number corresponding to the second search space.

Optionally, the processor 1501 performs transmission of the second data, including:

invoking the transceiver 1505 to transmit the second data within the configured third resource according to the configured data transmission format, wherein the data transmission format comprises one or more of: modulation mode, data transmission block size, demodulation reference signal configuration, and data transmission power control information.

Optionally, the processor 1501 is further configured to: invoking the transceiver 1505 to receive first configuration information from a network device, the first configuration information being used to configure the first control information for triggering the terminal device to transmit second data.

It can be understood that the apparatus 1500 according to the embodiment of the present application can be used to implement corresponding steps of the method of the terminal device in the foregoing method embodiment, for example, the method in fig. 2, so that beneficial effects in the foregoing method embodiment can also be implemented, and for brevity, no further description is provided here.

In another possible design, an apparatus 1500 (e.g., an integrated circuit, a wireless device, a circuit module, or a network device, etc.) may include: the processor 1501 is configured to invoke the transceiver 1505 to send first control information, where the first control information is used to indicate transmission of first data and is used to trigger transmission of second data, and a transmission direction of the first data is different from a transmission direction of the second data; and transmitting the second data.

Optionally, the first control information includes first indication information, and the first indication information is used to trigger transmission of the second data.

Optionally, the processor 1501 performs transmission of the second data, including: invoking the transceiver 1505 to send second control information and transmit the second data, wherein the second control information is used for indicating the transmission of the second data.

Optionally, the processor 1501 is further configured to: invoking the transceiver 1505 to send resource configuration information, the resource configuration information being used to configure a third resource; transmitting the second data within the third resource.

Optionally, the processor 1501 is further configured to: invoking the transceiver 1505 to send first configuration information for configuring the first control information for triggering transmission of the second data.

It can be understood that the apparatus 1500 according to the embodiment of the present application can be used to implement corresponding steps of a method of a network device in the foregoing method embodiment, for example, the method in fig. 2, so that beneficial effects in the foregoing method embodiment can also be achieved, and for brevity, no further description is provided here.

The processors and transceivers described herein may be implemented on Integrated Circuits (ICs), analog ICs, Radio Frequency Integrated Circuits (RFICs), mixed signal ICs, Application Specific Integrated Circuits (ASICs), Printed Circuit Boards (PCBs), electronic devices, and the like. The processor and transceiver may also be fabricated using various IC process technologies, such as Complementary Metal Oxide Semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (PMOS), Bipolar Junction Transistor (BJT), bipolar CMOS (bicmos), silicon germanium (SiGe), gallium arsenide (GaAs), and the like.

The apparatus in the description of the above embodiment may be a network device or a terminal device, but the scope of the apparatus described in the present application is not limited thereto, and the structure of the apparatus may not be limited by fig. 3. The apparatus may be a stand-alone device or may be part of a larger device. For example, the apparatus may be:

(1) a stand-alone integrated circuit IC, or chip, or system-on-chip or subsystem;

(2) a set of one or more ICs, which optionally may also include storage components for storing data and/or instructions;

(3) an ASIC, such as a modem (MSM);

(4) a module that may be embedded within other devices;

(5) receivers, terminals, smart terminals, cellular phones, wireless devices, handsets, mobile units, in-vehicle devices, network devices, cloud devices, artificial intelligence devices, and the like;

(6) others, and so forth.

Fig. 4 provides a schematic structural diagram of a terminal device. The terminal device may be adapted to the scenario shown in fig. 1. For ease of illustration, fig. 4 shows only the main components of the terminal device. As shown in fig. 4, terminal apparatus 1600 includes a processor, a memory, a control circuit, an antenna, and an input-output device. The processor is mainly used for processing communication protocols and communication data, controlling the whole terminal, executing software programs and processing data of the software programs. The memory is used primarily for storing software programs and data. The radio frequency circuit is mainly used for converting baseband signals and radio frequency signals and processing the radio frequency signals. The antenna is mainly used for receiving and transmitting radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are used primarily for receiving data input by a user and for outputting data to the user.

When the terminal device is started, the processor can read the software program in the storage unit, analyze and execute the instruction of the software program, and process the data of the software program. When data needs to be sent wirelessly, the processor performs baseband processing on the data to be sent and outputs baseband signals to the radio frequency circuit, and the radio frequency circuit processes the baseband signals to obtain radio frequency signals and sends the radio frequency signals outwards in the form of electromagnetic waves through the antenna. When data is transmitted to the terminal device, the radio frequency circuit receives a radio frequency signal through the antenna, the radio frequency signal is further converted into a baseband signal, the baseband signal is output to the processor, and the processor converts the baseband signal into the data and processes the data.

For ease of illustration, fig. 4 shows only one memory and processor. In an actual terminal device, there may be multiple processors and memories. The memory may also be referred to as a storage medium or a storage device, and the like, which is not limited in this respect in the embodiment of the present invention.

As an alternative implementation manner, the processor may include a baseband processor and a central processing unit, where the baseband processor is mainly used to process a communication protocol and communication data, and the central processing unit is mainly used to control the whole terminal device, execute a software program, and process data of the software program. The processor in fig. 4 integrates the functions of the baseband processor and the central processing unit, and those skilled in the art will understand that the baseband processor and the central processing unit may also be independent processors, and are interconnected through a bus or the like. Those skilled in the art will appreciate that the terminal device may include a plurality of baseband processors to accommodate different network formats, the terminal device may include a plurality of central processors to enhance its processing capability, and various components of the terminal device may be connected by various buses. The baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip. The central processing unit can also be expressed as a central processing circuit or a central processing chip. The function of processing the communication protocol and the communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, and the processor executes the software program to realize the baseband processing function.

In one example, the antenna and the control circuit with transceiving functions can be considered as the transceiving unit 1611 of the terminal device 1600, and the processor with processing function can be considered as the processing unit 1612 of the terminal device 1600. As shown in fig. 4, the terminal device 1600 includes a transceiving unit 1611 and a processing unit 1612. A transceiver unit may also be referred to as a transceiver, a transceiving device, etc. Optionally, a device in the transceiving unit 1611 for implementing a receiving function may be regarded as a receiving unit, and a device in the transceiving unit 1611 for implementing a transmitting function may be regarded as a transmitting unit, that is, the transceiving unit 1611 includes a receiving unit and a transmitting unit. For example, the receiving unit may also be referred to as a receiver, a receiving circuit, etc., and the sending unit may be referred to as a transmitter, a transmitting circuit, etc. Optionally, the receiving unit and the sending unit may be integrated into one unit, or may be multiple units independent of each other. The receiving unit and the transmitting unit can be in one geographical position or can be dispersed in a plurality of geographical positions.

Fig. 5 is a schematic structural diagram of a network device provided in an embodiment of the present application, for example, a schematic structural diagram of a base station 3000. The base station 3000 can be applied to the system shown in fig. 1, and performs the functions of the network device in the above method embodiment. As shown in fig. 5, the base station 3000 may include one or more radio frequency units, such as a Remote Radio Unit (RRU) 3100 and one or more baseband units (BBUs) (which may also be referred to as Distributed Units (DUs)) 3200. The RRU 3100 may be referred to as a transceiver unit or a communication unit, and corresponds to the transceiver module 1701 in fig. 6. Alternatively, the transceiving unit 3100 may also be referred to as a transceiver, transceiving circuit, or transceiver, etc., which may comprise at least one antenna 3101 and a radio frequency unit 3102. Alternatively, the transceiving unit 3100 may include a receiving unit and a transmitting unit, the receiving unit may correspond to a receiver (or receiver, receiving circuit), and the transmitting unit may correspond to a transmitter (or transmitter, transmitting circuit). The RRU 3100 part is mainly used for transceiving radio frequency signals and converting radio frequency signals to baseband signals. The BBU 3200 section is mainly used for performing baseband processing, controlling a base station, and the like. The RRU 3100 and the BBU 3200 may be physically disposed together or may be physically disposed separately, i.e. distributed base stations.

The BBU 3200 is a control center of the base station, and may also be referred to as a processing unit, and is mainly used for performing baseband processing functions, such as channel coding, multiplexing, modulation, spreading, and the like. For example, the BBU (processing unit) may be configured to control the base station to perform an operation procedure related to the network device in the foregoing method embodiment, for example, generate configuration information reported by CSI.

In an example, the BBU 3200 may be formed by one or more boards, and the boards may collectively support a radio access network of a single access system (e.g., an LTE network), or may respectively support radio access networks of different access systems (e.g., an LTE network, a 5G network, or other networks). The BBU 3200 also includes a memory 3201 and a processor 3202. The memory 3201 is used to store necessary instructions and data. The processor 3202 is used for controlling the base station to perform necessary actions, for example, for controlling the base station to execute the operation flow related to the network device in the above method embodiment. The memory 3201 and processor 3202 may serve one or more boards. That is, the memory and processor may be provided separately on each board. Multiple boards may share the same memory and processor. In addition, each single board can be provided with necessary circuits.

It should be understood that the base station 3000 shown in fig. 5 can implement the various processes related to the network device in the foregoing method embodiments. The operations or functions of the modules in the base station 3000 are respectively to implement the corresponding flows in the above method embodiments. For the sake of avoiding repetition, detailed description is omitted here as appropriate, with specific reference to the description of the above method embodiments.

BBU 3200 as described above can be used to perform actions described in previous method embodiments as being implemented internally by a network device, while RRU 3100 can be used to perform actions described in previous method embodiments as being sent by or received from a terminal device by a network device. Please refer to the description of the previous embodiment of the method, which is not repeated herein.

FIG. 6 is a schematic block diagram of an apparatus of an embodiment of the present application. As shown in fig. 6, yet another embodiment of the present application provides an apparatus 1700. The device may be a terminal or a component of a terminal (e.g., an integrated circuit, a chip, etc.). The apparatus may also be a network device, and may also be a component of a network device (e.g., an integrated circuit, a chip, etc.). The apparatus may also be another communication module, which is used to implement the method in the embodiment of the method of the present application. The apparatus 1700 may include: processing module 1702 (processing unit). Optionally, the apparatus 1700 may further comprise a transceiver module 1701 (transceiver unit) and a storage module 1703 (storage unit).

In one possible design, one or more of the modules in FIG. 6 may be implemented by one or more processors or by one or more processors and memory; or by one or more processors and transceivers; or by one or more processors, memories, and transceivers, which are not limited in this application. The processor, the memory and the transceiver can be arranged independently or integrated.

The apparatus has a function of implementing the terminal device described in the embodiment of the present application, for example, the apparatus includes a module or a unit or means (means) corresponding to the step of executing the terminal device described in the embodiment of the present application by the terminal device, and the function or the unit or the means (means) may be implemented by software or hardware, or may be implemented by hardware executing corresponding software, or may be implemented by a combination of software and hardware. Reference may be made in detail to the respective description of the corresponding method embodiments hereinbefore.

Or the apparatus has a function of implementing the network device described in the embodiment of the present application, for example, the apparatus includes a module or a unit or means (means) corresponding to the step of executing the network device described in the embodiment of the present application by the network device, and the function or the unit or the means (means) may be implemented by software or hardware, or may be implemented by hardware executing corresponding software, or may be implemented by a combination of software and hardware. Reference may be made in detail to the respective description of the corresponding method embodiments hereinbefore.

Optionally, each module in the apparatus 1700 in this embodiment of the present application may be configured to perform the method described in fig. 2 in this embodiment of the present application.

In one possible implementation, an apparatus 1700 may include: a transceiver module 1701 and a processing module 1702.

The transceiver module 1701 is configured to receive first control information, where the first control information is used to instruct the terminal device to transmit first data and is used to trigger the terminal device to transmit second data, and a transmission direction of the first data is different from a transmission direction of the second data; the processing module 1702 is configured to invoke the transceiver module 1701 to transmit the second data.

Optionally, the processing module 1702 is configured to invoke the transceiver module 1701 to transmit the second data, and includes: and receiving second control information and transmitting the second data, wherein the second control information is used for indicating the terminal equipment to transmit the second data.

Optionally, the processing module 1702 is configured to invoke the transceiver module 1701 to transmit the second data, and includes: transmitting the second data in the configured third resource according to a configured data transmission format, wherein the data transmission format includes one or more of: modulation mode, data transmission block size, demodulation reference signal configuration, and data transmission power control information.

Optionally, the transceiver module 1701 is further configured to receive first configuration information from a network device, where the first configuration information is used to configure the first control information for triggering the terminal device to transmit second data.

It is understood that the apparatus 1700 may correspond to the method of the terminal device in the foregoing method embodiment, for example, the method in fig. 2, and the above and other management operations and/or functions of each module in the apparatus 1700 are respectively for implementing corresponding steps of the method of the terminal device in the foregoing method embodiment, so that beneficial effects in the foregoing method embodiment may also be implemented, and for brevity, no detailed description is provided here.

In another possible embodiment, an apparatus 1700 may include: a transceiver module 1701 and a processing module 1702.

The transceiver module 1701 is configured to send first control information, where the first control information is used to indicate transmission of first data and is used to trigger transmission of second data, and a transmission direction of the first data is different from a transmission direction of the second data; the processing module 1702 is configured to invoke the transceiver module 1701 to transmit the second data.

Optionally, the processing module 1702 is configured to invoke the transceiver module 1701 to transmit the second data, and includes: and sending second control information and transmitting the second data, wherein the second control information is used for indicating the transmission of the second data.

Optionally, the transceiver module 1701 is further configured to send resource configuration information, where the resource configuration information is used to configure a third resource; transmitting the second data within the third resource.

Optionally, the transceiver module 1701 is further configured to send first configuration information, where the first configuration information is used to configure the first control information for triggering transmission of the second data.

It is understood that the apparatus 1700 may correspond to a method of a network device in the foregoing method embodiment, for example, the method in fig. 2, and the above and other management operations and/or functions of each module in the apparatus 1700 are respectively for implementing corresponding steps of the method of the network device in the foregoing method embodiment, so that beneficial effects in the foregoing method embodiment may also be implemented, and for brevity, no detailed description is provided here.

It is understood that some optional features in the embodiments of the present application may be implemented independently without depending on other features in some scenarios, such as a currently-based solution, to solve corresponding technical problems and achieve corresponding effects, or may be combined with other features according to requirements in some scenarios. Accordingly, the apparatuses provided in the embodiments of the present application may also implement these features or functions, which are not described herein again.

Those skilled in the art will also appreciate that the various illustrative logical blocks and steps (step) set forth in the embodiments of the present application may be implemented in electronic hardware, computer software, or combinations of both. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. 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 embodiments of the present application.

It should be understood that the processor in the embodiments of the present application may be an integrated circuit chip having signal processing capability. 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), a Field Programmable Gate Array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, a system on chip (SoC), a Central Processing Unit (CPU), a Network Processor (NP), a Digital Signal Processor (DSP), a Microcontroller (MCU), a programmable logic controller (PLD), or other integrated chip. 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.

The techniques described herein may be implemented by various means. For example, these techniques may be implemented in hardware, software, or a combination of hardware and software. For a hardware implementation, the processing units used to perform these techniques at a communication device (e.g., a base station, terminal, network entity, or chip) may be implemented in one or more general-purpose processors, DSPs, digital signal processing devices, ASICs, programmable logic devices, FPGAs, or other programmable logic devices, discrete gate or transistor logic, discrete hardware components, or any combinations of the above. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.

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 EPROM (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 (SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM, enhanced SDRAM, SLDRAM, Synchronous Link DRAM (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.

The present application also provides a computer-readable medium having stored thereon a computer program which, when executed by a computer, performs the functions of any of the method embodiments described above.

The present application also provides a computer program product which, when executed by a computer, implements the functionality of any of the above-described method embodiments.

According to the method provided by the embodiment of the present application, the present application further provides a system, which includes the foregoing one or more terminal devices and one or more network devices.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disk (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.

It should be appreciated that reference throughout this specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the various embodiments are not necessarily referring to the same embodiment throughout the specification. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

It should also be understood that, in the present application, "when …", "if" and "if" all refer to the fact that the UE or the base station will perform the corresponding processing under certain objective conditions, and are not limited time, and do not require the UE or the base station to perform certain judgment actions, nor do they mean that there are other limitations.

Those of ordinary skill in the art will understand that: the various numbers of the first, second, etc. mentioned in this application are only used for the convenience of description and are not used to limit the scope of the embodiments of this application, but also to indicate the sequence.

Reference in the present application to an element using the singular is intended to mean "one or more" rather than "one and only one" unless specifically stated otherwise. In the present application, unless otherwise specified, "at least one" is intended to mean "one or more" and "a plurality" is intended to mean "two or more".

Additionally, 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, wherein A can be singular or plural, and B can be singular or plural.

The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

Herein, the term "at least one of … …" or "at least one of … …" means all or any combination of the listed items, e.g., "at least one of A, B and C", may mean: the compound comprises six cases of separately existing A, separately existing B, separately existing C, simultaneously existing A and B, simultaneously existing B and C, and simultaneously existing A, B and C, wherein A can be singular or plural, B can be singular or plural, and C can be singular or plural.

It should be understood that in the embodiments of the present application, "B corresponding to a" means that B is associated with a, from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.

The correspondence shown in the tables in the present application may be configured or predefined. The values of the information in each table are only examples, and may be configured to other values, which is not limited in the present application. When the correspondence between the information and each parameter is configured, it is not always necessary to configure all the correspondences indicated in each table. For example, in the table in the present application, the correspondence shown in some rows may not be configured. For another example, appropriate modification adjustments, such as splitting, merging, etc., can be made based on the above tables. The names of the parameters in the tables may be other names understandable by the communication device, and the values or the expression of the parameters may be other values or expressions understandable by the communication device. When the above tables are implemented, other data structures may be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables may be used.

As used herein, the term "predefined" in the context of the present application may be understood to mean defining, predefining, storing, pre-negotiating, pre-configuring, curing, or pre-firing. The configuration in the embodiment of the present application may be understood as being notified through RRC signaling, MAC signaling, and physical layer information, where the physical layer information may be transmitted through a PDCCH or a PDSCH.

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 U disk, a removable hard disk, a read-only memory ROM, a random access memory RAM, a magnetic disk, or an optical disk.

The same or similar parts between the various embodiments in this application may be referred to each other. In the embodiments and the implementation methods/implementation methods in the embodiments in the present application, unless otherwise specified or conflicting in logic, terms and/or descriptions between different embodiments and between various implementation methods/implementation methods in various embodiments have consistency and can be mutually cited, and technical features in different embodiments and various implementation methods/implementation methods in various embodiments can be combined to form new embodiments, implementation methods, or implementation methods according to the inherent logic relationships thereof. The above-described embodiments of the present application do not limit the scope of the present application.

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

A method of data transmission, comprising:

the method comprises the steps that terminal equipment receives first control information, wherein the first control information is used for indicating the terminal equipment to transmit first data and triggering the terminal equipment to transmit second data, and the transmission direction of the first data is different from that of the second data;

and the terminal equipment transmits the second data.
The method of claim 1, wherein the first control information comprises first indication information, and wherein the first indication information is used for triggering the terminal device to transmit the second data.
The method of claim 2, wherein the first indication information is included in one or more of the following fields in the first control information: a transmission direction indication field and a redundancy status field.
The method according to any one of claims 1 to 3, wherein the terminal device performs the transmission of the second data, and comprises:

and the terminal equipment receives second control information and transmits the second data, wherein the second control information is used for indicating the terminal equipment to transmit the second data.
The method of claim 4, wherein the second control information is in a format different from the first control information.
The method of claim 4, wherein a first resource corresponding to the first control information is different from a second resource corresponding to the second control information.
The method according to any one of claims 4 to 6, wherein the first control information corresponds to a first search space and the second control information corresponds to a second search space, and wherein a maximum blind detection number corresponding to the first search space is smaller than a maximum blind detection number corresponding to the second search space.
The method according to any one of claims 1 to 3, wherein the terminal device performs the transmission of the second data, and comprises:

the terminal device transmits the second data in the configured third resource according to the configured data transmission format, wherein the data transmission format includes one or more of the following items: modulation mode, data transmission block size, demodulation reference signal configuration, and data transmission power control information.
The method according to any one of claims 1 to 8, further comprising:

the terminal device receives first configuration information from a network device, wherein the first configuration information is used for configuring the first control information and triggering the terminal device to transmit second data.
A method of data transmission, comprising:

the method comprises the steps that network equipment sends first control information, wherein the first control information is used for indicating transmission of first data and triggering transmission of second data, and the transmission direction of the first data is different from that of the second data;

and the network equipment transmits the second data.
The method of claim 10, wherein the first control information comprises first indication information, and wherein the first indication information is used for triggering transmission of the second data.
The method of claim 11, wherein the first indication information is included in one or more of the following fields in the first control information: a transmission direction indication field and a redundancy status field.
The method according to any of claims 10 to 12, wherein the network device performs the transmission of the second data, comprising:

and the network equipment sends second control information and transmits the second data, wherein the second control information is used for indicating the transmission of the second data.
The method of claim 13, wherein the second control information is in a format different from the first control information.
The method of claim 13, wherein a first resource corresponding to the first control information is different from a second resource corresponding to the second control information.
The method according to any one of claims 13 to 15, wherein the first control information corresponds to a first search space, and the second control information corresponds to a second search space, wherein a maximum blind detection number corresponding to the first search space is smaller than a maximum blind detection number corresponding to the second search space.
The method according to any one of claims 10 to 12, further comprising:

the network equipment sends resource configuration information, and the resource configuration information is used for configuring a third resource;

wherein the network device performs transmission of the second data, and includes:

the network device transmits the second data within the third resource.
The method according to any one of claims 10 to 17, further comprising:

and the network equipment sends first configuration information, wherein the first configuration information is used for configuring the first control information to trigger the transmission of the second data.
An apparatus, characterized in that the apparatus is configured to perform the method according to any of claims 1 to 9.
An apparatus, characterized in that the apparatus is configured to perform the method according to any of claims 10 to 18.
An apparatus, comprising: a processor coupled with a memory, the memory to store a program or instructions that, when executed by the processor, cause the apparatus to perform the method of any of claims 1 to 9.
An apparatus, comprising: a processor coupled with a memory, the memory to store a program or instructions that, when executed by the processor, cause the apparatus to perform the method of any of claims 10 to 18.
A storage medium having stored thereon a computer program or instructions, which when executed cause a computer to perform the method of any one of claims 1 to 9.
A storage medium having stored thereon a computer program or instructions, which when executed cause a computer to perform the method of any of claims 10 to 18.
A communication system, comprising: the apparatus as claimed in claim 19, and/or the apparatus as claimed in claim 20.
A communication system, comprising: the apparatus as claimed in claim 21, and/or the apparatus as claimed in claim 22.