Method for resource request and communication device

Abstract

A method and communication device for resource request. The method includes: A terminal device sends a resource request on a first time-domain resource, where the resource request is used to request data transmission resources; The terminal device receives indication information on a second time-domain resource, where the indication information is used to indicate that the terminal device detects DCI on a third time-domain resource, or the indication information is used to indicate that the terminal device does not detect DCI on the third time-domain resource, and the DCI is used to respond to the resource request. After sending the resource request, the terminal device does not immediately start detecting the DCI in response to the resource request. Instead, it first detects the indication information sent by the network device, and determines whether to start detecting the control information sent by the network device according to the indication of the indication information. It can reduce the time length for the terminal device to detect the control information, save the power consumption of the terminal device, increase the service life of the terminal device, and especially for machine type communication (MTC) devices, improve the user experience.

Description

Technical Field

[0001] This application relates to the field of communications, and more specifically, to a method for resource request and a communication device. Background Art

[0002] Machine-type communication (MTC) is one of the bases for the Internet of Everything. For machine-type communication services, the longer the standby time of a machine, the longer the available time of the machine, which is equivalent to the lower the cost paid by the user when using the machine. Therefore, from the perspective of user experience, reducing the power consumption of a machine (taking a terminal device as an example) and ensuring the standby time of the terminal device are of great significance in communication research.

[0003] Currently, when a terminal device has a data transmission requirement, it can send a scheduling request (SR) to a network device on pre-configured or pre-defined resources. After the terminal device sends the SR, it will immediately enter the Active state. When the terminal device is in the Active state, it will continuously detect downlink control information (DCI). The DCI includes resource information for allocating transmission data for the terminal device, etc. However, in some cases, the network device may miss detecting the SR of the terminal device, or even if the network device receives the SR, it may not immediately send DCI to the terminal device, or it may not send DCI to the terminal device at all. This results in that after the terminal device sends the SR, it may take some time to detect the DCI sent by the network device, or it may not receive the DCI sent by the network device at all, while the terminal device is always in the state of detecting DCI, increasing the power consumption of the terminal device, affecting the service life of the terminal device, and resulting in poor user experience. Summary of the Invention

[0004] This application provides a method for resource request and a communication device. After the terminal device sends a resource request, it does not immediately start detecting the control information (such as DCI) sent by the network device in response to the resource request, but first detects the indication information sent by the network device, and determines whether to start detecting the control information sent by the network device according to the indication of the indication information. This can reduce the time length for the terminal device to detect the control information, save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience.

[0005] In a first aspect, a method for resource request is provided. The execution entity of this method can be either a terminal device or a chip applied to the terminal device. Taking the terminal device as the execution entity as an example, the method includes: the terminal device sends a resource request on a first time-domain resource, and this resource request is used to request data transmission resources; the terminal device receives indication information on a second time-domain resource, and this indication information is used to indicate that the terminal device detects DCI on a third time-domain resource, where the DCI is used to respond to this resource request, or the indication information is used to indicate that the terminal device does not detect DCI on a third time-domain resource, and the DCI is used to respond to this resource request.

[0006] For the method for resource request provided in the first aspect, after the terminal device sends a resource request on the first time-domain resource, it does not immediately start detecting the DCI sent by the network device in response to this resource request. Instead, it receives the indication information on the second time-domain resource and determines whether it needs to detect the DCI sent by the network device on the third time-domain resource according to the indication of the indication information. During the time interval between the first time-domain resource and the second time-domain resource, and the time interval between the second time-domain resource and the third time-domain resource, the terminal device does not need to detect the DCI sent by the network device, which can save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience.

[0007] In a possible implementation manner of the first aspect, the indication information is used to indicate the third time-domain resource carrying the DCI, and the DCI is used to schedule the data transmission resources; or, the indication information is used to indicate the fourth time-domain resource, and no DCI for scheduling the data transmission resources is carried on the fourth time-domain resource. In this implementation manner, the indication information only needs to indicate the third time-domain resource or the fourth time-domain resource. When the indication information indicates the third time-domain resource, the terminal device detects the DCI sent by the network device on the third time-domain resource. When the indication information indicates the fourth time-domain resource, the terminal device does not detect the DCI sent by the network device on the fourth time-domain resource. This can reduce the complexity of the indication information indication, reduce the overhead of the indication information, and save resources.

[0008] In a possible implementation manner of the first aspect, the third time-domain resource and the fourth time-domain resource are predefined or preconfigured.

[0009] In a possible implementation manner of the first aspect, the indication information is carried by a first signal, or the indication information is transmitted through a control channel.

[0010] In a possible implementation manner of the first aspect, the first signal can be DMRS, or can be CSI-RS, or can also be phase tracking reference signal PT-RS.

[0011] In a possible implementation of the first aspect, the first signal may be generated by a sequence, which may be a ZC sequence, a CAZAC sequence, a phased sequence, an m-sequence, a Gold sequence, an M-sequence, a GMW sequence, a Kasami sequence, a Bent sequence, a Hadamard code sequence, a DFT sequence, etc.

[0012] In a possible implementation of the first aspect, the presence or absence of the first signal itself may also be used to indicate the third time-domain resource or the fourth time-domain resource.

[0013] In a possible implementation of the first aspect, the type and / or number of the first signals may be predefined or configured by signaling.

[0014] In a possible implementation of the first aspect, the terminal device receives indication information on the second time-domain resource, including: on the second time-domain resource, the terminal device detects the control channel by using at least one of the following methods:

[0015] Detect the control channel at the candidate detection position corresponding to the first aggregation level AL;

[0016] Detect the control channel by using the first DCI format;

[0017] Detect the control channel on the time-frequency resources of the first control resource set;

[0018] Detect the control channel on the first search space;

[0019] Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling. In this implementation, the terminal device does not need to blindly detect the candidate detection positions corresponding to all possible aggregation levels of the control channel, does not need to blindly detect various DCI formats that the control channel may correspond to, does not need to blindly detect various control resource sets that the control channel may correspond to, or does not need to detect the control channel within all possible search space sets of the control channel. It can reduce the number of blind detections spent by the terminal device in detecting the indication information, reduce the complexity of the terminal device in detecting the indication information, and further reduce the power consumption of the terminal device.

[0020] In a possible implementation of the first aspect, the value of the first AL corresponding to the control channel predefined or configured by signaling is greater than or equal to 8.

[0021] In a possible implementation of the first aspect, the second time-domain resource may be predefined or configured by signaling.

[0022] In a possible implementation of the first aspect, the method further includes: the terminal device determines the second time-domain resource according to the first time-domain resource and the offset value, where the offset value is predefined or configured by signaling.

[0023] In a possible implementation of the first aspect, the indication information includes a time-domain offset value, and the time-domain offset value is used to indicate the time-domain position of the third time-domain resource; alternatively, the indication information includes the time-domain position of the third time-domain resource. In this implementation, by indicating the time-domain position of the third time-domain resource through the indication information or determining it using the time-domain offset value, the time-domain position of the third time-domain resource can be flexibly determined. The time-domain position of the third time-domain resource can be flexibly set, improving the flexibility of communication.

[0024] In a possible implementation of the first aspect, the time-domain offset value includes:

[0025] at least one of a first time-domain offset value, a second time-domain offset value, and a third time-domain offset value,

[0026] The first time-domain offset value is the offset value between the first time-domain resource and the third time-domain resource in the time domain;

[0027] The second time-domain offset value is the offset value between the second time-domain resource and the third time-domain resource in the time domain;

[0028] The third time-domain offset value is the offset value between the fifth time-domain resource and the third time-domain resource in the time domain. The fifth time-domain resource is located after the second time-domain resource and before the third time-domain resource in the time domain, and the offset value between the fifth time-domain resource and the second time-domain resource, and / or the offset value between the fifth time-domain resource and the first time-domain resource is predefined or configured by signaling.

[0029] In a possible implementation of the first aspect, the first time-domain offset value, the second time-domain offset value, the third time-domain offset value, the time offset value between the first time-domain resource and the second time-domain resource, the time offset value between the fifth time-domain resource and the second time-domain resource, or the time offset value between the fifth time-domain resource and the first time-domain resource can be represented by the number of DRX cycles.

[0030] In a possible implementation of the first aspect, there is a corresponding relationship between the type or number of the first signal and the time-domain offset value, and the time-domain offset value is used for the terminal device to determine the third time-domain resource or the fourth time-domain resource. In this implementation, by using the type or number of the first signal to indicate the time-domain offset value, the signaling overhead for indicating the time-domain offset value can be reduced, ensuring the transmission reliability of the indication information.

[0031] In a possible implementation of the first aspect, the indication information is included in the first information, and the first information is used to trigger the terminal device to enable or disable the control information detection function in the discontinuous reception (DRX) state, and / or the first information is used to trigger the terminal device to stop or not stop detecting the control information in the DRX state. In this implementation, the terminal device can determine whether to enable the physical downlink control channel (PDCCH) detection function in the next DRX state by detecting the first information, and can also determine whether to enable the detection function of the uplink scheduling grant. Further, it can also determine whether to detect the control information in the third time domain resource. This can save the overhead of the indication information, reduce the number of control channels that the terminal device needs to detect, and thus reduce the power consumption of the terminal device.

[0032] In a possible implementation of the first aspect, the first information may include a wake-up signal (WUS), a positioning service signal (PoSS), or a grant type signal (GTS), etc.

[0033] In a possible implementation of the first aspect, the method further includes: the terminal device receives trigger information, and the trigger information is used to instruct the terminal device to determine whether to detect the downlink control information (DCI) according to the indication information. In this implementation, while meeting the data transmission delay requirement, it can also reduce the power consumption required for the terminal device to detect the DCI as much as possible.

[0034] In a possible implementation of the first aspect, there is a corresponding relationship between the type of the resource request and the processing flow of whether the terminal device determines whether to detect the DCI according to the indication information.

[0035] In a second aspect, a method for resource request is provided. The execution subject of this method can be either a network device or a chip applied to the network device. Taking the execution subject as the network device as an example, the method includes: the network device receives a resource request from the terminal device on a first time domain resource, and the resource request is used to request data transmission resources; the network device sends indication information to the terminal device on a second time domain resource, and the indication information is used to indicate a third time domain resource carrying the DCI, and the DCI is used to schedule the data transmission resources, or the indication information is used to indicate a fourth time domain resource on which there is no DCI for scheduling the data transmission resources.

[0036] For the method of resource request provided in the second aspect, after receiving a resource request sent by a terminal device on a first time-domain resource, the network device does not immediately indicate to the terminal device to detect the DCI in response to the resource request. Instead, the network device sends indication information to the terminal device on a second time-domain resource, and the indication information is used to indicate whether the terminal device needs to detect the DCI sent by the network device on a third time-domain resource. During the time interval between the first time-domain resource and the second time-domain resource, and the time interval between the second time-domain resource and the third time-domain resource, the terminal device does not need to detect the DCI, which can save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience.

[0037] In a possible implementation manner of the second aspect, the indication information is used to indicate that the terminal device detects the DCI on the third time-domain resource, and the DCI is used to respond to the resource request, or the indication information is used to indicate that the terminal device does not detect the DCI on the third time-domain resource, and the DCI is used to respond to the resource request.

[0038] In a possible implementation manner of the second aspect, the indication information is carried by a first signal, or the indication information is transmitted through a control channel.

[0039] In a possible implementation manner of the second aspect, the network device sends indication information to the terminal device on the second time-domain resource, including: the network device sends a control channel to the terminal device on the second time-domain resource by using at least one of the following methods;

[0040] Send the control channel to the terminal device at a candidate transmission position corresponding to a first aggregation level AL;

[0041] Send the control channel to the terminal device by using a first DCI format;

[0042] Send the control channel to the terminal device on the time-frequency resources of a first control resource set;

[0043] Send the control channel to the terminal device on a first search space;

[0044] Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling.

[0045] In a possible implementation manner of the second aspect; the value of the first AL corresponding to the predefined or signaling-configured control channel is greater than or equal to 8.

[0046] In a possible implementation manner of the second aspect; the method further includes: the network device determines the second time-domain resource according to the first time-domain resource and an offset value, and the offset value is predefined or configured by signaling.

[0047] In a possible implementation of the second aspect, the indication information includes a time domain offset value, and the time domain offset value is used to indicate the time domain position of the third time domain resource; alternatively, the indication information includes the time domain position of the third time domain resource.

[0048] In a possible implementation of the second aspect, the time domain offset value includes:

[0049] at least one of a first time domain offset value, a second time domain offset value, and a third time domain offset value,

[0050] The first time domain offset value is the offset value in the time domain between the first time domain resource and the third time domain resource;

[0051] The second time domain offset value is the offset value in the time domain between the second time domain resource and the third time domain resource;

[0052] The third time domain offset value is the offset value in the time domain between the fifth time domain resource and the third time domain resource. The fifth time domain resource is located after the second time domain resource and before the third time domain resource in the time domain. The offset value between the fifth time domain resource and the second time domain resource, and / or the offset value between the fifth time domain resource and the first time domain resource is predefined or configured by signaling.

[0053] In a possible implementation of the second aspect, the first time domain offset value, the second time domain offset value, the third time domain offset value, the time offset value between the first time domain resource and the second time domain resource, the time offset value between the fifth time domain resource and the second time domain resource, or the time offset value between the fifth time domain resource and the first time domain resource can be represented by the number of DRX cycles.

[0054] In a possible implementation of the second aspect, the first time domain offset value, the second time domain offset value, the third time domain offset value, the time offset value between the first time domain resource and the second time domain resource, the time offset value between the fifth time domain resource and the second time domain resource, or the time offset value between the fifth time domain resource and the first time domain resource can be represented by the number of DRX cycles.

[0055] In a possible implementation of the second aspect, the indication information is included in the first information. The first information is used to trigger the terminal device to enable or disable the control information detection function in the discontinuous reception (DRX) state, and / or the first information is used to trigger the terminal device to stop or not stop detecting the control information in the discontinuous reception (DRX) state.

[0056] In a possible implementation of the second aspect, the first information may include WUS, PoSS, or GTS signals, etc.

[0057] In a possible implementation of the second aspect, there is a correspondence between the first signal and a time domain offset value, and the time domain offset value is used by the terminal device to determine the third time domain resource.

[0058] In a possible implementation of the second aspect, the method further includes: the network device sending trigger information to the terminal device, and the trigger information is used to instruct the terminal device to determine whether to detect the DCI according to the indication information.

[0059] In a possible implementation of the second aspect, there is a correspondence between the type or number of the first signals and a time domain offset value, and the time domain offset value is used by the terminal device to determine the third time domain resource or the fourth time domain resource. In this implementation, by using the type or number of the first signals to indicate the time domain offset value, the signaling overhead for indicating the time domain offset value can be reduced, and the transmission reliability of the indication information can be ensured.

[0060] In a possible implementation of the second aspect, there is a correspondence between the type of resource request and the processing procedure of whether the terminal device determines whether to detect the DCI according to the indication information.

[0061] In a third aspect, a communication device is provided, and the device includes units for performing each step in the above first aspect or any possible implementation of the first aspect.

[0062] In a fourth aspect, a communication device is provided, and the device includes units for performing each step in the above second aspect or any possible implementation of the second aspect.

[0063] In a fifth aspect, a communication device is provided, and the device includes at least one processor and a memory, and the at least one processor is used to execute the method in the above first aspect or any possible implementation of the first aspect.

[0064] In a sixth aspect, a communication device is provided, and the device includes at least one processor and a memory, and the at least one processor is used to execute the method in the above second aspect or any possible implementation of the second aspect.

[0065] In a seventh aspect, a communication device is provided, and the device includes at least one processor and an interface circuit, and the at least one processor is used to execute the method in the above first aspect or any possible implementation of the first aspect.

[0066] In an eighth aspect, a communication device is provided. The device includes at least one processor and an interface circuit. The at least one processor is configured to execute the method in the second aspect above or any possible implementation manner of the second aspect.

[0067] In a ninth aspect, a terminal device is provided. The terminal device includes the communication device provided in the third aspect above, or the terminal device includes the communication device provided in the fifth aspect above, or the terminal device includes the communication device provided in the seventh aspect above.

[0068] In a tenth aspect, a network device is provided. The network device includes the communication device provided in the fourth aspect above, or the terminal device includes the communication device provided in the sixth aspect above, or the terminal device includes the communication device provided in the eighth aspect above.

[0069] In an eleventh aspect, a computer program product is provided. The computer program product includes a computer program which, when executed by a processor, is configured to execute the method in the first aspect or any possible implementation manner of the first aspect, or execute the method in the second aspect or any possible implementation manner of the second aspect.

[0070] In a twelfth aspect, a computer-readable storage medium is provided. The computer-readable storage medium stores a computer program which, when executed, is configured to execute the method in the first aspect or any possible implementation manner of the first aspect, or execute the method in the second aspect or any possible implementation manner of the second aspect.

[0071] In a thirteenth aspect, a communication system is provided. The communication system includes the terminal device and the network device described above.

[0072] In a fourteenth aspect, a chip is provided. The chip includes: a processor configured to call and run a computer program from a memory, so that a communication device installed with the chip executes the method in the first aspect or any possible implementation manner of the first aspect, or execute the method in the second aspect or any possible implementation manner of the second aspect.

[0073] For the method for resource request provided in the embodiments of the present application, after the terminal device sends a resource request, it does not immediately start to detect the DCI sent by the network device in response to the resource request. Instead, it first detects the indication information sent by the network device, and determines whether to start detecting the control information sent by the network device according to the indication of the indication information. This can reduce the time length for the terminal device to detect the control information, save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0074] Figure 1It is a schematic diagram of the architecture of a mobile communication system applicable to the embodiments of the present application.

[0075] Figure 2 It is a schematic interaction diagram of a method for resource request provided by the embodiments of the present application.

[0076] Figure 3 It is a schematic interaction diagram of another method for resource request provided by the embodiments of the present application.

[0077] Figure 4 It is a schematic diagram of a plurality of second time-domain resources provided by the embodiments of the present application.

[0078] Figure 5 It is a schematic diagram of another plurality of second time-domain resources provided by the embodiments of the present application.

[0079] Figure 6 Shown is a schematic diagram of a first time-domain resource, a second time-domain resource, a third time-domain resource, and a fifth time-domain resource provided by the embodiments of the present application.

[0080] Figure 7 It is a schematic interaction diagram of another method for resource request provided by the embodiments of the present application.

[0081] Figure 8 It is a schematic interaction diagram of yet another method for resource request provided by the embodiments of the present application.

[0082] Figure 9 It is a schematic block diagram of a communication device provided by the embodiments of the present application.

[0083] Figure 10 It is a schematic block diagram of another communication device provided by the embodiments of the present application.

[0084] Figure 11 It is a schematic block diagram of yet another communication device provided by the embodiments of the present application.

[0085] Figure 12 It is a schematic block diagram of another communication device provided by the embodiments of the present application.

[0086] Figure 13 It is a schematic block diagram of a terminal device provided by the embodiments of the present application.

[0087] Figure 14 It is a schematic block diagram of another terminal device provided by the embodiments of the present application.

[0088] Figure 15 It is a schematic block diagram of a network device provided by the embodiments of the present application. Detailed implementation manners

[0089] The technical solutions in the present application will be described below in conjunction with the accompanying drawings.

[0090] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, future 5th Generation (5G) system, New Radio (NR) or other future types of communication systems, etc.

[0091] The terminal device in the embodiments of the present application may refer to a user equipment, an access terminal, a user unit, a user station, a mobile station, a mobile phone, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent or a user device. The terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication function, a computing device or other processing devices connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network or a terminal device in a future evolved Public Land Mobile Network (PLMN), etc. The embodiments of the present application are not limited thereto.

[0092] The network device in the embodiments of this application can be a device used to communicate with a terminal device. The network device can be a Base Transceiver Station (BTS) in a Global System of Mobile communication (GSM) system or a Code Division Multiple Access (CDMA) system, or a NodeB (NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an Evolutional NodeB (eNB or eNodeB) in an LTE system, or a radio controller in a Cloud Radio Access Network (CRAN) scenario, or the network device can be a relay station, an access point, a vehicle-mounted device, a wearable device, and a network device in a future 5G network, a network device in a future evolved PLMN network, or a network device in other future types of communication systems, etc. The embodiments of this application do not limit this.

[0093] In the embodiments of this application, a terminal device or a network device includes a hardware layer, an operating system layer running on top of the hardware layer, and an application layer running on 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 called main memory). The operating system can be any one or more computer operating systems that implement service processing through processes. For example, a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system, etc. The application layer includes applications such as a browser, an address book, a word processing software, and an instant messaging software. Moreover, the embodiments of this application do not particularly limit the specific structure of the execution subject of the method provided in the embodiments of this application. As long as it can communicate according to the method provided in the embodiments of this application by running a program that records the code of the method provided in the embodiments of this application. For example, the execution subject of the method provided in the embodiments of this application can be a terminal device or a network device, or a functional module in a terminal device or a network device that can call and execute the program.

[0094] Additionally, various aspects or features of the present application can be implemented as a method, apparatus, or article of manufacture using standard programming and / or engineering techniques. The term "article of manufacture" as used in the present application encompasses a computer program accessible from any computer-readable device, carrier, or medium. For example, computer-readable media can include, but are not limited to: magnetic storage devices (such as hard disks, floppy disks, or magnetic tapes, etc.), optical discs (such as compact discs (CDs), digital versatile discs (DVDs), etc.), smart cards, and flash memory devices (such as erasable programmable read-only memories (EPROMs), cards, sticks, or key drives, etc.). Additionally, the various storage media described herein can represent one or more devices and / or other machine-readable media for storing information. The term "machine-readable media" can include, but is not limited to, wireless channels and various other media capable of storing, containing, and / or carrying instructions and / or data.

[0095] The 5G mobile communication system is dedicated to supporting higher system performance, supporting multiple service types, different deployment scenarios, and a wider spectrum range. Among them, multiple service types include enhanced mobile broadband (eMBB), massive machine type communication (mMTC), ultra-reliable and low-latency communications (URLLC), etc.

[0096] Machine type communication is one of the foundations for the Internet of Everything. For machine type communication services, the standby time of a machine (taking a terminal device as an example for illustration) is an important aspect of the user experience. Generally speaking, the longer the standby time of a terminal device, the longer the available time of the terminal device, which is equivalent to the lower the cost paid by the user when using the terminal device. In addition, in some machine communication scenarios, such as devices like water meters installed in basements, it is not convenient to replace the power supply device. In this case, it is even more necessary to ensure the standby time of the terminal device. Therefore, from the perspective of user experience, reducing the power consumption of the terminal device and ensuring the standby time of the terminal device are of great significance in communication research.

[0097] Currently, when a terminal device has an uplink data transmission requirement, it can send an SR on pre-configured or pre-defined resources to a network device. After receiving the SR sent by the terminal device, the network device can decide when to schedule uplink transmission resources for the terminal device so that the terminal device can use the scheduled uplink transmission resources to send uplink data. Since the network device needs to serve multiple terminal devices, generally speaking, the network device can determine the terminal device for which the data transmission is scheduled based on various factors such as the current service load situation and the scheduling priority corresponding to the transmission data waiting to be scheduled. For example, if the transmission data to be scheduled is delay-sensitive, the corresponding scheduling priority is generally relatively high. This also leads to the situation that after the terminal device sends an SR, it may receive the DCI sent by the network device after a period of time. The DCI includes the configuration information of the uplink transmission resources scheduled by the network device for the terminal device. In addition, since the terminal device cannot know when the network device will send DCI to schedule its data transmission, after sending the SR, the terminal device will immediately enter the Active state. When the terminal device is in the Active state, it will continuously detect the DCI. In some cases, the network device may miss detecting the SR of the terminal device. As a result, although the terminal device continuously detects the DCI, it never detects it, causing additional power consumption. To prevent this situation from occurring, after sending the SR, the terminal device will start a timer. If the terminal device does not detect the DCI scheduling its uplink data (such as uplink grant, UL grant) within this timer, it will resend the SR on the pre-configured resources. In addition, in addition to the above timer, after sending the SR, the terminal device will also start a maximum transmission count counter (Counter) for the SR. If the terminal device sends the SR up to the maximum number of times and still does not receive a response from the network device for this SR (such as the DCI scheduling uplink data transmission), the terminal device will use the random access channel (RACH) to re-initiate random access.

[0098] Since the terminal device will be in a state of continuously detecting the DCI after sending the SR, and it is uncertain when the network device will respond to this SR (i.e., send the control information for scheduling the uplink data of the terminal device), it causes power consumption of the terminal device, thereby affecting the service life of the terminal device and the user experience. Especially in the mMTC scenario, since the number of terminal devices is relatively large and each terminal device is not sensitive to data transmission delay, it is more likely that after the terminal device sends an SR, the network device will not respond immediately. Seriously increasing the power consumption of the terminal device and affecting the service life of the terminal device.

[0099] In view of this, the present application provides a method for resource request. After the terminal device sends a resource request, it does not immediately start to detect the control information (such as DCI) sent by the network device in response to the resource request. Instead, it first detects the indication information sent by the network device, and determines whether to start detecting the control information sent by the network device according to the indication of the indication information. This can reduce the time length for the terminal device to detect the control information, save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience.

[0100] To facilitate the understanding of the embodiments of the present application, first, in combination with Figure 1 a simple introduction to the communication system applicable to the embodiments of the present application is given.

[0101] Figure 1 FIG. is a schematic diagram of a communication system 100 for the method of resource request according to the embodiments of the present application. As Figure 1 shown, the communication system 100 includes four communication devices. For example, a network device 110, terminal devices 121 to 123. Among them, the terminal devices can perform data transmission through vehicle to everything (V2X) or device to device (D2D) communication methods. The link between the terminal devices can be called a sidelink. Data communication can be performed between the network device 110 and at least one of the terminal devices 121 to 123. For example, when any one of the terminal devices 121 to 123 needs to send uplink data to the network device, or when any one of the terminal devices 121 to 123 and the network device 110 transmit downlink control information, the resource request can be transmitted through the method of resource request according to the embodiments of the present application. Of course, when the terminal device 121 sends sidelink data to the terminal device 123, or when the terminal device 121 and the network device 110 transmit downlink control information, the resource request can also be transmitted through the method of resource request according to the embodiments of the present application.

[0102] It should be understood that Figure 1 the communication system shown may further include more network nodes, such as terminal devices or network devices. Figure 1 The network devices or terminal devices included in the communication system shown may be network devices or terminal devices in the above various forms. The embodiments of the present application are not shown one by one in the figure.

[0103] Next, in combination with Figure 2 the method of resource request provided by the present application will be described in detail. Figure 2 FIG. is a schematic interaction diagram of a method 200 for resource request according to an embodiment of the present application. The method 200 can be applied in Figure 1In the shown scenario, it can of course also be applied to other communication scenarios, and the embodiments of this application do not limit this here.

[0104] It should also be understood that in the embodiments of this application, the terminal device and the network device are taken as an example of the execution subject for executing the method to illustrate the method. As an example rather than a limitation, the execution subject for executing the method may also be a chip, a chip system, or a processor, etc. applied to the terminal device and the network device.

[0105] As Figure 2 shown, Figure 2 the method 200 shown in Figure 2 may include S210 to S230. Each step in the method 200 will be described in detail below in combination with

[0106] S210, the terminal device sends a resource request to the network device on a first time-domain resource, and this resource request is used to request data transmission resources. Correspondingly, the network device receives this resource request on the first time-domain resource.

[0107] S220, the network device sends indication information to the terminal device on a second time-domain resource. This indication information is used to indicate a third time-domain resource, and the DCI for scheduling this data transmission resource is carried on the third time-domain resource; or, this indication information is used to indicate a fourth time-domain resource, and the DCI for scheduling this data transmission resource is not carried on the fourth time-domain resource; or, this indication information is used to indicate that the terminal device detects or does not detect the DCI in response to this resource request on the third time-domain resource.

[0108] S230, the terminal device receives this indication information on the second time-domain resource, and determines to detect this DCI on the third time-domain resource according to this indication information; or determines not to detect this DCI on the third time-domain resource; or determines not to detect this DCI on the fourth time-domain resource.

[0109] It should be understood that in the embodiments of the present application, for the terminal device to determine to detect the DCI on the third time-domain resource, it may include: the terminal device detects the DCI on the third time-domain resource, or the terminal device starts to detect the DCI from the starting position (starting time-domain resource) of the third time-domain resource. The terminal device detecting the DCI on the third time-domain resource can be understood as the terminal device detecting the DCI on a section of time-domain resource occupied by the third time-domain resource (such as time slot n), that is, detecting the DCI within a period of time (such as time slot n). The terminal device starting to detect the DCI from the time-domain resource starting from the third time-domain resource can be understood as the terminal device starting to detect the DCI at the starting position of the third time-domain resource, that is, defining the start time of the terminal device detecting the DCI. In this case, the duration length of the terminal device detecting the DCI can be predefined or preconfigured, or the end time of the terminal device detecting the DCI can be predefined or preconfigured.

[0110] Optionally, the duration length of the terminal device detecting the DCI can be represented by an absolute time length (such as in milliseconds (ms), microseconds (μs), etc.), or can also be represented by the number of time-domain resource units (such as time slots, subframes, symbols, etc.). Optionally, the number of time-domain resource units can be predefined or preconfigured.

[0111] Optionally, the end time of the terminal device detecting the DCI can be represented by an absolute time (such as in milliseconds (ms), microseconds (μs), etc.), or can also be characterized by the time-domain resource corresponding to the end time of detecting the DCI. Optionally, the time-domain resource corresponding to the end time of detecting the DCI can be predefined or preconfigured. For example, if the resource request is sent periodically, assuming the sending period of the resource request is 3 time slots and the first time-domain resource corresponds to the Nth time slot, then the time-domain resource corresponding to the end time of detecting the DCI can be the time slot before the next sending of the resource request (the (N + 3)th time slot), for example, it can be the (N + 2)th time slot.

[0112] Similarly, in the embodiments of the present application, for the terminal device to determine not to detect the DCI on the third time-domain resource, or to determine not to detect the DCI on the fourth time-domain resource, it may include: the terminal device does not detect the DCI on the third time-domain resource or the fourth time-domain resource, or the terminal device starts from the starting position of the third time-domain resource or the fourth time-domain resource and does not detect the DCI.

[0113] Taking the example that the terminal device determines not to detect the DCI on the third time-domain resource. The fact that the terminal device does not detect the DCI on the third time-domain resource can be understood as that the terminal device does not detect the DCI on a period of time-domain resource occupied by the third time-domain resource (for example, time slot n), that is, does not detect the DCI within a period of time (for example, time slot n). Starting from the starting position of the third time-domain resource, the terminal device not detecting the DCI can be understood as: starting from the starting position of the third time-domain resource, the terminal device does not detect the DCI, which defines the start time when the terminal device does not detect the DCI. In this case, the duration length of the terminal device not detecting the DCI can be predefined or preconfigured, or alternatively, the end time when the terminal device does not detect the DCI can be predefined or preconfigured.

[0114] In S210, when the terminal device has an uplink data transmission requirement, or when the terminal device has a sidelink data transmission requirement, the terminal device can send a resource request to the network device on the first time-domain resource. The resource request can be used to request transmission resources for uplink data or request transmission resources for sidelink data. The communication link between different terminal devices can be referred to as a sidelink (SL). Sidelink data can be data sent by this terminal device to another terminal device on the sidelink. For example, the link between device-to-device (D2D) communications can be regarded as a sidelink, and vehicle-to-everything (V2X) can be regarded as a special case of D2D communication. This terminal device can be a terminal device in V2X or D2D. In the embodiments of this application, the resource request can be, for example, an SR or a buffer status report (BSR), or can also be other signaling or information for requesting transmission resources. This application does not limit the specific form of the resource request.

[0115] The time-domain position occupied by the first time-domain resource can be predefined or configured by signaling. Optionally, the resource request can include at least one of the following: the size of the data transmitted by the terminal device (such as sidelink data or uplink data), the time-frequency resources used for data transmission, the modulation method, the coding method, etc. Optionally, the terminal device can send the resource request through a physical uplink channel. The physical uplink channel can be, for example, a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH). Correspondingly, the network device receives the resource request on the first time-domain resource.

[0116] In S220, after receiving the resource request on the first time-domain resource, the network device may, according to the resource request, decide whether to allocate resources for data transmission to the terminal device, how much resources to allocate for the terminal device, and when to allocate data transmission resources for the terminal device, etc. The network device may notify the terminal device whether to allocate data transmission resources for the terminal device. Therefore, the network device sends indication information to the terminal device on the second time-domain resource.

[0117] For the indication information, there are the following two possible implementation manners:

[0118] One possible implementation manner is that: the indication information is used to indicate that the terminal device detects control information (hereinafter described by taking DCI as an example) in response to the resource request on the third time-domain resource, or indicates that the terminal device does not detect DCI in response to the resource request on the third time-domain resource.

[0119] Another possible implementation manner is that: the indication information is used to indicate the third time-domain resource carrying DCI, where the DCI is used to schedule the data transmission resources, or the indication information is used to indicate the fourth time-domain resource, on which there is no DCI for scheduling the data transmission resources. Among them, the third time-domain resource may be a pre-defined or pre-configured time-domain resource carrying the DCI, and the fourth time-domain resource may be a pre-defined or pre-configured time-domain resource without carrying the DCI. That is to say, the indication information may only indicate the third time-domain resource or the fourth time-domain resource to the terminal device. After receiving the indication information, the terminal device determines the third time-domain resource or the fourth time-domain resource, and may detect the DCI on the third time-domain resource, or does not detect the DCI on the fourth time-domain resource.

[0120] Correspondingly, the terminal device receives the indication information on the second time-domain resource. The control information may be understood as an uplink grant (UL grant) of the network device in response to the resource request. For example, the control information may be DCI. The control information may include one or more of: whether to allow the terminal device to transmit data, the time and / or frequency resources used by the terminal device when transmitting data, the modulation manner used by the terminal device when transmitting data, the coding rate used by the terminal device when transmitting data, and the power information of the terminal device when transmitting data. Among them, the first time-domain resource is earlier than the second time-domain resource in the time domain, and the second time-domain resource is earlier than the third time-domain resource in the time domain. It should be understood that the control information may also be other information or signaling for indicating resources for data transmission to the terminal device, etc. This application embodiment does not make any limitation here.

[0121] In S230, the terminal device receives indication information on a second time-domain resource, and determines whether to detect or not detect the DCI on a third time-domain resource according to the indication information. Alternatively, the terminal device determines a third time-domain resource or a fourth time-domain resource according to the indication information, and then detects the DCI on the third time-domain resource, or does not detect the DCI on the fourth time-domain resource.

[0122] The terminal device receiving the indication information on the second time-domain resource can be understood as the terminal device obtaining or receiving the indication information by detecting on the second time-domain resource. For example, if the received indication information indicates that the terminal device is to detect the DCI on the third time-domain resource, the terminal device will start detecting the DCI at the start time (moment) of the third time-domain resource. If the received indication information indicates that the terminal device is not to detect the DCI on the third time-domain resource, the terminal device will not detect the DCI on the third time-domain resource. Alternatively, if the indication information is used to indicate a third time-domain resource or a fourth time-domain resource, the indication information detected by the terminal device can be used to detect the DCI on the third time-domain resource, or not detect the DCI on the fourth time-domain resource.

[0123] Optionally, the terminal device receiving the indication information on the second time-domain resource can also be understood as the terminal device detecting the indication information on the second time-domain resource, but the detection result includes detecting the indication information or not detecting the indication information. For example, if the terminal device detects the indication information on the second time-domain resource, the terminal device will start detecting the DCI at the start time (moment) of the third time-domain resource, or not detect the DCI on the fourth time-domain resource. If the terminal device does not detect the indication information on the second time-domain resource, the terminal device will not detect the DCI on the third time-domain resource.

[0124] The terminal device detecting the DCI on the third time-domain resource can be understood as the terminal device obtaining or receiving the DCI by detecting on the third time-domain resource. Alternatively, the terminal device detecting the DCI on the third time-domain resource can be understood as the terminal device detecting the DCI on the third time-domain resource, but the detection result includes detecting the DCI or not detecting the DCI.

[0125] In the resource request method provided by this application, after the terminal device sends a resource request on the first time-domain resource, it does not immediately start detecting the DCI sent by the network device in response to the resource request. Instead, it receives indication information on the second time-domain resource and determines whether it is necessary to detect the DCI sent by the network device on the third time-domain resource according to the indication of the indication information. During the time interval between the first time-domain resource and the second time-domain resource, and the time interval between the second time-domain resource and the third time-domain resource, the terminal device does not need to detect the DCI sent by the network device, which can save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience.

[0126] It should be understood that in the embodiments of this application, the first time-domain resource, the second time-domain resource, the third time-domain resource, and the fourth time-domain resource can be understood as four time periods, four time windows, or four time units. The time length of the first time-domain resource, the second time-domain resource, the third time-domain resource, or the fourth time-domain resource can be one or more sub-frames; or, it can also be one or more time slots; or, it can also be one or more symbols; or it can also be an absolute time length (for example, in microseconds (μs), milliseconds (ms), etc.). The symbol is also called a time-domain symbol, which can be an orthogonal frequency division multiplexing (OFDM) symbol or a single carrier frequency division multiple access (SC-FDMA) symbol, where SC-FDMA is also called orthogonal frequency division multiplexing with transform precoding (OFDM with TP). The lengths of the first time-domain resource, the second time-domain resource, the third time-domain resource, and the third time-domain resource can be different or the same. The first time-domain resource is earlier than the second time-domain resource in the time domain, and the second time-domain resource is earlier than the third time-domain resource in the time domain. There can be a time interval between the first time-domain resource and the second time-domain resource, and there can also be a time interval between the second time-domain resource and the third time-domain resource. The third time-domain resource and the fourth time-domain resource can be the same time-domain resource, or the third time-domain resource and the fourth time-domain resource can also be different time-domain resources. The fourth time-domain resource is later than the second time-domain resource in the time domain. Optionally, the time interval can be represented by the number of symbols or an absolute time length, without specific limitation.

[0127] It should also be understood that in the embodiments of the present application, for the sake of simplicity of description, the information transmission propagation delay between the terminal device and the network device is not reflected, and the same time unit is used for description. For example, the terminal device sends information to the network device on the first time-domain resource, and the network device receives the information sent by the terminal device on the first time-domain resource. It should be understood that considering the propagation delay, the starting positions of the first time-domain resource on the network device side and the terminal device side may be different.

[0128] It should also be understood that in the embodiments of the present application, predefined can be understood as defined by the protocol. Signaling configuration can be understood as configured by high-layer or physical-layer signaling. High-layer signaling can include, for example, radio resource control (RRC) signaling, medium access control (MAC) control element (CE), radio link control (RLC) signaling, etc. Physical-layer signaling can include, for example, downlink control information (DCI), signaling transmitted through the downlink physical layer channel, etc. The physical downlink channel can be, for example, the physical downlink control channel (PDCCH) or the physical downlink shared channel (PDSCH), etc.

[0129] In some possible implementation manners of the present application, the indication information on the second time-domain resource can be sent to the terminal device in a signal-bearing manner, or the indication information on the second time-domain resource can also be sent to the terminal device through a control channel. Taking Figure 3 as an example, based on the method steps shown in Figure 2 S220 in the method 200: The network device sends indication information to the terminal device on the second time-domain resource, including S221.

[0130] S221, the network device sends a first signal or a control channel to the terminal device on the second time-domain resource, where the indication information is borne by the first signal, or the indication information is transmitted through the control channel.

[0131] S230 in the method 200: The terminal device receives the indication information on the second time-domain resource, including S231.

[0132] S231, the terminal device receives a first signal or detects a control channel on the second time-domain resource to determine whether to detect DCI on the third time-domain resource. Or not detect the DCI on the fourth time-domain resource.

[0133] Figure 3 The description of S210 shown can refer to the above description of S210. For the sake of brevity, it will not be repeated here.

[0134] In S221, the indication information can be sent to the terminal device through a control channel, or the indication information can be sent to the terminal device in a manner carried by a first signal. The first signal is generated by a sequence. When the network device sends the indication information to the terminal device in a second time-domain resource, it can send the first signal to the terminal device in the second time-domain resource or send the indication information to the terminal device on the control channel.

[0135] Specifically, for the indication information carried by the first signal, that is, the indication information is sent to the terminal device in the manner of the first signal. The first signal can be generated by a sequence, and the sequence can be a ZC sequence, a constant amplitude zero auto-correlation (CAZAC) sequence, a phase control sequence, an m sequence, a Gold sequence, an M sequence, a GMW sequence, a kasami sequence, a Bent sequence, a Hadamard code sequence, a discrete fourier transform (DFT) sequence, etc. In this application, the specific form of the sequence for generating the first signal is not limited. The first signal can be predefined or configured by signaling. For example, the first signal can be a demodulation reference signal (DMRS), or can also be a channel state information reference signal (CSI-RS), or can also be a phase tracking reference signal (PT-RS). In this application, the specific form of the first signal is not limited.

[0136] In S231, a possible implementation is as follows: If the terminal device detects (receives) a certain type of signal (such as the first signal) on the second time-domain resource, and this type of signal is predefined or configured by signaling, and this type of signal is used to indicate that the terminal device does not detect the DCI in response to the resource request on the third time-domain resource, then the terminal device can determine not to detect the DCI on the third time-domain resource according to the detected signal of this type. If the terminal device detects another type of signal on the second time-domain resource, and this type of signal is also predefined or configured by signaling, and this type of signal is used to indicate that the terminal device detects the DCI on the third time-domain resource. Then the terminal device can determine to detect the DCI on the third time-domain resource according to the detected signal of this type. That is, different types of signals implicitly indicate different contents indicated by the indication information. For example, multiple types of signals can be predefined or configured, and the multiple types of signals are divided into two groups, where one group of signals is used to indicate that the terminal device detects the DCI on the third time-domain resource, and the other group of signals is used to indicate that the device does not detect the DCI on the third time-domain resource. The terminal device and the network device know in advance which signals are used to indicate not detecting the DCI and which signals are used to indicate detecting the DCI. When the network device sends the indication information, it can determine which type of signal to send to the terminal device according to the decision on the resource request of the terminal device. That is, the type of the first signal is used to indicate whether the terminal device detects the DCI in response to the resource request on the third time-domain resource. Different types of signals can be understood as different signals. In the embodiments of the present application, since the first signal can be generated by a sequence, different types of signals can also be understood as: different sequences obtained by performing different cyclic shifts on the same sequence, and the signals generated by the different sequences can be understood as signals of different types. Or different sequences obtained by processing the same sequence with different orthogonal cover codes (OCCs), and the signals generated by the different sequences can be understood as signals of different types. Or signals generated by sequences occupying different time and / or frequency resources can be understood as signals of different types. In the embodiments of the present application, different types of signals can also be a combination of the above situations, or in other forms, and the present application does not make specific limitations here.

[0137] It should be understood that the above signal types can also implicitly indicate the third time-domain resource or the fourth time-domain resource. For example, the type of the first signal can be used to indicate the third time-domain resource or the fourth time-domain resource. If the type of the first signal is used to indicate the third time-domain resource, the terminal device determines not to detect the DCI on the third time-domain resource. If the type of the first signal is used to indicate the fourth time-domain resource, the terminal device determines not to detect the DCI on the fourth time-domain resource.

[0138] In S231, another possible implementation is as follows: The terminal device can determine whether the network device instructs the terminal device to detect DCI in the third time-domain resource by detecting the presence or absence of the first signal in the second time-domain resource. That is, the network device can indicate whether the terminal device detects DCI in the third time-domain resource by sending or not sending the first signal in the second time-domain resource. For example, if the terminal device detects (receives) the first signal in the second time-domain resource, the terminal device can determine to detect DCI in the third time-domain resource. If the terminal device does not detect (does not receive) the first signal in the second time-domain resource, the terminal device can determine not to detect DCI in the third time-domain resource. That is, the presence or absence of the first signal itself can be regarded as the content indicated by the indication information.

[0139] Optionally, the presence or absence of the first signal itself can also be used to indicate the third time-domain resource or the fourth time-domain resource. For example, if the terminal device detects (receives) the first signal in the second time-domain resource, the terminal device can determine to detect DCI in the third time-domain resource. If the terminal device does not detect (receive) the first signal in the second time-domain resource, the terminal device does not detect DCI in the fourth time-domain resource.

[0140] For the case where the indication information is transmitted through the control channel, the bits in the control channel can be used to indicate whether it is necessary to detect DCI in the third time-domain resource, or to indicate the third time-domain resource or the fourth time-domain resource. For example, a 1-bit field can be used in the control channel to indicate that when the bit value is 0, it indicates that the terminal device does not detect DCI in the third time-domain resource. If the bit value is 1, it indicates that the terminal device detects DCI in the third time-domain resource. Or, when the bit value is 0, it means that the terminal device detects DCI in the third time-domain resource, and if the bit value is 1, it means that the terminal device does not detect DCI in the third time-domain resource. In the embodiments of the present application, the control channel can be a PDCCH, etc. In S231, the terminal device can detect the control channel in the second time-domain resource to determine whether to detect the DCI in the third time-domain resource, or to determine not to detect the DCI in the fourth time-domain resource. It can be understood that the indication information can also be transmitted through the service channel, and the service channel can be, for example, a PDSCH.

[0141] It should be understood that in the present application, the terminal device detecting the control channel can be understood as the terminal device detecting the indication information on the control channel. In the description of the present application, detecting the control channel and detecting the indication information have the same meaning. For example, S231 can also be described as: The terminal device can detect the indication information in the second time-domain to determine whether to detect the DCI in the third time-domain resource.

[0142] Optionally, in some possible implementation manners of this application, for the case where the indication information is transmitted through a control channel, one or more of the aggregation level (AL), DCI format, control resource set, search space set, time-frequency resource, etc. corresponding to the control channel are predefined or configured by signaling. In S220, on the second time-domain resource, the network device may send the control channel to the terminal device in at least one of the following manners:

[0143] Send the control channel to the terminal device at a candidate transmission position corresponding to the first AL;

[0144] Send the control channel to the terminal device using the first DCI format;

[0145] Send the control channel to the terminal device on the time-frequency resource of the first control resource set;

[0146] Send the control channel to the terminal device on the first search space;

[0147] Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling

[0148] In S230, on the second time-domain resource, the terminal device may detect the control channel in at least one of the following manners:

[0149] Detect the control channel at a candidate detection position corresponding to the first AL;

[0150] Detect the control channel using the first DCI format;

[0151] Detect the control channel on the time-frequency resource of the first control resource set;

[0152] Detect the control channel on the first search space.

[0153] The following will separately describe these several cases.

[0154] Optionally, in some possible implementation manners of this application, the aggregation level (AL) corresponding to the control channel may be predefined or configured by signaling. The predefined or signaling-configured AL may be the first AL. The AL can be understood as the size of the transmission resources used to transmit the control channel (indication information), and defines the size of the time-frequency resources for each detection when the terminal device performs blind detection. The AL can be represented by the number of the smallest resource units for transmitting the control channel. For example, assume that the smallest resource unit for transmitting the control channel is J, and the transmission resources used for transmitting control channel A are N×J, then the AL may be equal to N. Another example is that in the NR system, the smallest resource unit for transmitting the control channel may be a control channel element (CCE), and the size of the transmission resources used for transmitting the control channel may be 1 CCE, 2 CCEs, 4 CCEs, 8 CCEs, 16 CCEs, etc. Correspondingly, the AL may be 1, 2, 4, 8, 16. In S220, the network device may send a control channel (i.e., send indication information) to the terminal device at the candidate transmission position corresponding to the first AL in the second time-domain resource. In S230, the terminal device may detect the control channel (detect indication information) at the candidate detection position corresponding to the first AL (such as a PDCCH candidate) in the second time-domain resource. In this way, the terminal device does not need to blindly detect the candidate detection positions corresponding to all possible aggregation levels of the control channel, which can reduce the number of blind detection times spent by the terminal device for detecting the indication information, reduce the complexity of the terminal device for detecting the indication information, and further reduce the power consumption of the terminal device.

[0155] Optionally, the value of the first AL corresponding to the control channel that is predefined or configured by signaling is greater than or equal to 8. For example, the value of the first AL may be 8 or 16.

[0156] Specifically, assume that the total resources of the control channel (taking PDCCH as an example) sent by the network device are 16 CCEs (the CCE index numbers range from CCE index 0 to CCE index 15). When the value of the first AL is 8, that is, with a granularity of 8 CCEs for each blind detection, each blind detection needs to detect 8 CCEs. That is, when the first AL is equal to 8, the terminal device needs to perform blind detection 2 times to determine whether the control channel transmits or whether the indication information transmits. When the first AL is equal to 16, each blind detection needs to detect 16 CCEs, and the terminal device only needs to perform blind detection 1 time to determine whether the control channel transmits or whether the indication information transmits. If the value of the first AL is less than 8, for example, when the first AL is equal to 1, each blind detection needs to detect one CCE. That is, when the first AL is equal to 1, the terminal device needs to perform blind detection 16 times. Another example is that when the first AL is equal to 2, each blind detection needs to detect 2 CCEs. That is, when the first AL is equal to 2, the terminal device needs to perform blind detection 8 times. Here, the transmission position of the control channel corresponding to each blind detection of the terminal device can be understood as the candidate detection position corresponding to the first AL. The candidate detection position can be understood as follows: if the network device has control information (transmitted through the control channel) to be transmitted to the terminal device, it is transmitted to the terminal device through one or more corresponding resources in this candidate detection position. One or more corresponding resources in the candidate detection position can be represented by CCEs, such as CCE index, or there can be other forms, which are not specifically limited. It can be seen that the larger the value of the pre-defined or signaling-configured first AL, the smaller the number of blind detections spent by the terminal device to detect the indication information, and further the power consumption of the terminal device can be reduced.

[0157] Optionally, in the embodiments of the present application, the minimum value corresponding to the first AL can be greater than the minimum value corresponding to the legacy aggregation level or the backward-compatible aggregation level. For example, the legacy aggregation level or the backward-compatible aggregation level can be the aggregation level for NR release 15 or NR release 16. Specifically, for example, the value range of the legacy aggregation level can be 1, 2, 4, 8, 16, that is, the minimum value corresponding to the legacy set level is 1. In the present application, in order to reduce the power consumption of the terminal device, the minimum value corresponding to the first AL can be greater than 1, for example, it can be 8 or 16. It can be understood that the first AL can correspond to one or more values, which are not specifically limited.

[0158] Optionally, in some possible implementation manners of this application, the frequency-domain resource location for transmitting the control channel (indication information) may be predefined or configured by signaling. The location of the frequency-domain resource may be determined by the start position and end position of the frequency-domain resource, or may be determined by the start position of the frequency-domain resource in combination with the AL corresponding to the control channel. Optionally, the location of the frequency-domain resource (including the start position and end position) may be represented by the minimum resource unit index for transmitting the control channel. In the embodiments of this application, the minimum resource unit may be the logical transmission resource for transmitting the control channel, and the logical transmission resource may be, for example, a CCE. Alternatively, the minimum resource unit may also be the actual physical resource for transmitting the control channel, and the actual physical resource may be, for example, a resource element group (REG) or a resource element group bundle (REG Bundle), etc. Generally, one logical transmission resource may include one or more actual physical resources. In the current NR system, one CCE may include six REGs. According to the different sizes of the REG bundle (one REG bundle includes at least two REGs), one CCE may include one or more REG bundles. There may be a predefined mapping relationship between the logical transmission resource and the actual physical resource. For example, it may be a non-interleaved mapping relationship or an interleaved mapping relationship. Among them, the non-interleaved mapping relationship may also be understood as a concentrated mapping relationship. If it is a non-interleaved mapping method, the six REGs included in one CCE may be continuous in the frequency domain. If it is an interleaved mapping method, the six REGs or multiple REG bundles included in one CCE may be discontinuous in the frequency domain.

[0159] By pre-configuring or pre-defining the frequency-domain resources of the control channel, the transmission position of the control channel can be restricted. For example, the starting position of the logical transmission resources corresponding to the control channel can be defined, and the number of such starting positions can be one or more. Optionally, the starting position of the transmission resources corresponding to the control channel can be CCE index 0 (CCEindex0). In this way, the terminal device can determine the position of the transmission resources of the control channel in combination with the aggregation level AL corresponding to the control channel. In S220, the network device can send the control channel (i.e., send indication information) to the terminal device at a pre-defined or pre-configured frequency-domain resource position in the second time-domain resource. In S230, the terminal device can detect the control channel (i.e., detect indication information) at a pre-defined or pre-configured frequency-domain resource position within the second time-domain resource. By restricting the frequency-domain resource position of the transmission corresponding to the control channel, the terminal device does not need to perform blind detection at all possible frequency-domain resource positions, which can reduce the number of blind detection times spent by the terminal device in detecting the control channel (indication information) and reduce the power consumption of the terminal device.

[0160] Optionally, in some possible implementation manners of the present application, the DCI format (format) corresponding to the control channel can be pre-defined or configured by signaling. The DCI format can also be understood as the transmission format of the control channel or the format of the control information transmitted by the control channel. The pre-defined or signaling-configured first DCI format can be DCIformat X. The DCI format corresponding to the control channel can be represented by the size of the information bits carried by the control channel. Carrying different sizes of information bits can represent different DCI formats. For example, if control channel 1 carries X bit of information bits and control channel 2 carries Y bit of information bits, where X is not equal to Y, it can be considered that the DCI formats of control channel 1 and control channel 2 are different, or it can also be considered that the DCI format corresponding to X bit is different from the DCI format corresponding to Y bit.

[0161] Restrict the DCI format corresponding to the control channel in a preconfigured or predefined manner, or restrict the information bits that the control channel can carry in a preconfigured or predefined manner. In S220, the network device sends the control channel to the terminal device using the first DCI format in the second time domain resource. In S230, the terminal device only detects the control channel using the first DCI format in the second time domain resource. That is, when the terminal device detects the indication information, it does not need to blindly detect various DCI formats that the control channel may correspond to, reducing the number of blind detections spent by the terminal device in detecting the indication information and reducing the power consumption of the terminal device. For example, the first DCI format can be DCI format 1_0 or DCI format 1_1 for scheduling downlink data transmission, and the first DCI format can also be other formats including a fixed control information size. Here, the control information size can be represented by the number of bits corresponding to the control information.

[0162] Optionally, in some possible implementation manners of this application, the control resource set (CORESET) corresponding to the control channel may be predefined or configured by signaling. The control resource set can be understood as follows: on the time-frequency resources in the system, some specific time-frequency resources are used to carry the control channel, and these specific time-frequency resources will be notified to the terminal device in advance through high-layer signaling, so that the terminal device can detect the control channel on this specific time-frequency resource at subsequent specific detection moments. The control resource set includes the time-frequency resource information occupied for the network device to send the control channel (such as PDCCH). The network device can configure one or more control resource sets for the terminal device. The network device can send the control channel to the terminal device on any control resource set corresponding to the terminal device. The terminal device can receive the control channel sent by the network device on the time-frequency resources indicated by this control resource set. The time-frequency resources of the control resource set will be further divided into multiple CCEs. In addition, the position where the control resource set appears in time can be bound to the time position where the search space set (SS set) associated with this control resource set appears. The search space set can be understood as a candidate set of the control channels (such as PDCCH) detected by the terminal device. For example, if the terminal device needs to detect M PDCCH candidates, that is, it needs to detect whether there is a PDCCH related to its own data transmission at M PDCCH candidate positions, then the search space set can be understood as the set composed of these M PDCCH alternative positions. The predefined or signaling-configured control resource set corresponding to the control channel may be the first control resource set. In S220, the network device sends the control channel to the terminal device only on the time-frequency resources of the first control resource set in the second time domain resource. In S230, the terminal device only needs to detect the control channel on the time-frequency resources of the first control resource set in the second time domain resource. By restricting the control resource set corresponding to the control channel in a preconfigured or predefined manner, the range for the terminal device to detect the control channel can be restricted. That is, when the terminal device detects the control channel, it does not need to blindly detect various control resource sets that the control channel may correspond to, but only needs to blindly detect the time-frequency resources of the preconfigured or predefined first control resource set. This reduces the number of blind detection times spent by the terminal device to detect the indication information and reduces the power consumption of the terminal device.

[0163] Optionally, in some possible implementation manners of this application, the search space corresponding to the control channel (or it can also be referred to as the search space set) can be predefined or configured by signaling. The search space set can be understood as the alternative set of control channels detected by the terminal device. By restricting the search space set (the first search space set) corresponding to the control channel in a preconfigured or predefined manner, it can be understood as restricting the time position where the search space set appears and / or the alternative set of control channels included in the search space set. Further, restricting the alternative set of control channels included in the search space set can also be understood as restricting the aggregation level corresponding to the control channels included in the search space set or the number of alternative control channels included in the search space set. Since the terminal device needs to determine the control channel by blind detection, the number of alternative control channels included in the search space set can also be understood as the number of blind detections required by the terminal device to detect the control channel within the search space set.

[0164] By restricting the search space set (the first search space set) corresponding to the control channel in a preconfigured or predefined manner, in S220, the network device sends the control channel to the terminal device only at the candidate positions included in the first search space set in the second time domain resource. In S230, the terminal device detects the control channel only at the candidate positions included in the first search space set in the second time domain resource, instead of detecting the control channel within all possible search space sets of the control channel, which can reduce the complexity of the terminal device's blind detection of the control channel (indication information), and further reduce the power consumption of the terminal device.

[0165] Optionally, in some possible implementation manners of this application, the time domain position of the second time domain resource may be preconfigured or predefined. One possible implementation manner is: directly preconfigure or predefine the time domain position of the second time domain resource. For example, the network device may directly preconfigure the time domain position of the second time domain resource. Another possible implementation manner is: preconfigure or predefine the time offset between the second time domain resource and the first time domain resource. For example, the network device may preconfigure the time offset between the first time domain resource and the second time domain resource to enable the terminal device to determine the time domain position of the second time domain resource. Optionally, the time offset between the first time domain resource and the second time domain resource may be not less than a threshold T, and the threshold T may be the time offset between the transmission of PUSCH by the terminal device and the reception of the response of the network device to the PUSCH. The response of the network device to the PUSCH may be manifested as whether the network device correctly receives the data carried in the PUSCH, or may also be manifested as the rescheduling information of the hybrid automatic repeat request (HARQ) process carried by the PUSCH. It should be understood that the time offset value here may be represented by an absolute time length, such as T milliseconds (ms), T microseconds (μs), etc., or may also be represented by the number of time domain resources (such as time slots, subframes, symbols, etc.). For example, the terminal device sends a resource request on the first time domain resource (such as time slot n), and receives the indication information sent by the network device on the second time domain resource (such as time slot m). If n + t = m, where t is an integer not less than 1, the time offset between the first time domain resource and the second time domain resource can be understood as t or t time slots.

[0166] Optionally, in some possible implementation manners of this application, to ensure the transmission reliability of the indication information, the network device may send the indication information to the terminal device at multiple different time transmission positions, that is, the number of second time domain resources may be multiple. In this case, the time transmission position of the indication information may be restricted by preconfiguration or predefined means. For example, after the terminal device sends a resource request, the first time transmission position of the indication information may be preconfigured or predefined. If the indication information can be transmitted on multiple available time domain resources, the number of transmissions of the indication information may also be preconfigured or predefined, thereby restricting the time transmission position of the indication information. The available time domain resources here may be understood as the time domain resources available for downlink transmission, or may also be understood as the time domain resources used for the transmission of the indication information. The multiple available time domain resources (i.e., multiple second time domain resources) may be continuous in the time domain, that is, there is no time interval between two adjacent times among the multiple second time domain resources, as Figure 4 shown, Figure 4 shown in a schematic diagram of multiple second time domain resources provided by an embodiment of this application,Figure 4 Shown are a series of consecutive available second time-domain resources. Of course, the multiple available time-domain resources may also be non-consecutive in terms of time position, that is, there is a time interval between two adjacent times among the multiple second time-domain resources. For example, Figure 5 as shown, Figure 5 Shown is a schematic diagram of an example of multiple second time-domain resources provided by an embodiment of the present application. Figure 5 Shown is a situation where there is a time interval between multiple available second time-domain resources in the time domain.

[0167] By restricting the time transmission position of the indication information in a pre-configured or pre-defined manner, after the terminal device sends a resource request, it can detect the indication information only on one or more pre-configured or pre-defined second time-domain resources. The terminal device does not need to perform blind detection of the indication information at all possible time-domain positions, which can reduce the number of blind detection times spent by the terminal device in detecting the indication information and reduce the power consumption of the terminal device. Moreover, since the network device needs to process the resource request before sending the indication information on the second time-domain resource after the terminal device sends the resource request. That is, the network device requires a certain processing time. After the terminal device sends the resource request, within the time range before detecting the indication information, that is, within the time interval between the first time-domain resource and the second time-domain resource, the terminal device can avoid detecting the indication information or control channel related to data transmission. For example, it does not need to detect the control channel carrying the uplink grant (UL grant), thereby reducing the power consumption of the terminal device in detecting the control channel.

[0168] It should be understood that in the embodiments of the present application, the number of the first time-domain resource, the third time-domain resource, or the fourth time-domain resource may also be one or more.

[0169] Optionally, in some possible implementation manners of the present application, the time-domain position of the third time-domain resource and / or the time-domain position of the fourth time-domain resource may be pre-configured or pre-defined. One possible implementation manner is: the time-domain position of the third time-domain resource and / or the fourth time-domain resource may be pre-configured or pre-defined. For example, the network device may directly pre-configure the time-domain position of the third time-domain resource. Another possible implementation manner is: a time-domain offset value may be pre-configured or pre-defined, and this time-domain offset value is used for the terminal device to determine the time-domain position of the third time-domain resource and / or the time-domain position of the fourth time-domain resource.

[0170] In the following description, an example is given where the time domain offset value is used by the terminal device to determine the time domain position of the third time domain resource. It should be understood that the specific process by which the terminal device determines the time domain position of the fourth time domain resource based on the time domain offset value for determining the time domain position of the fourth time domain resource is similar to the specific process by which the terminal device determines the time domain position of the third time domain resource. A similar method can refer to the following specific method by which the terminal device determines the time domain position of the third time domain resource.

[0171] Optionally, in some possible implementation manners of this application, the indication information may include the time domain offset value, and the time domain offset value is used by the terminal device to determine the time domain position of the third time domain resource. It should be understood that the time offset here can be represented by an absolute time length, such as P milliseconds (ms), M microseconds (μs), etc., or can be represented by the number of resource requests (such as time slots, sub - frames, symbols, etc.). Optionally, the time domain offset value includes at least one of a first time domain offset value, a second time domain offset value, and a third time domain offset value.

[0172] Among them, the first time domain offset value may be the offset value in the time domain between the first time domain resource and the third time domain resource;

[0173] The second time domain offset value may be the offset value in the time domain between the second time domain resource and the third time domain resource;

[0174] The third time domain offset value may be the offset value in the time domain between the fifth time domain resource and the third time domain resource, where the fifth time domain resource is located after the second time domain resource and before the third time domain resource in the time domain. That is, the position of the fifth time domain resource in the time domain is between the second time domain resource and the third time domain resource. Figure 6 The following shows a schematic diagram of a first time domain resource, a second time domain resource, a third time domain resource, and a fifth time domain resource provided by an embodiment of this application. As Figure 6 shown, in the order from the earliest to the latest in the time domain: the first time domain resource, the second time domain resource, the fifth time domain resource, the third time domain resource.

[0175] The time domain position of the fifth time domain resource can be predefined or configured by signaling. Alternatively, the time domain offset value between the fifth time domain resource and the second time domain resource, or the time domain offset value between the fifth time domain resource and the first time domain resource, is predefined or configured by signaling. For example, the time domain offset value between the fifth time domain resource and the second time domain resource can be K. K can be the time from when the terminal device detects the indication information until it demodulates the indication information, or it can also be the time between when the terminal device detects the downlink data sent by the network device and when it feeds back HARQ information for the downlink data. The HARQ information includes acknowledgement (ACK) and negative acknowledgement (NACK). For example, assume that the time offset between when the terminal device receives a PDSCH and when it performs HARQ feedback for the PDSCH is 2 time units (the time unit can be a time slot, a subframe, a symbol, etc.), that is, the value of K is 2. Then the time offset between the second time domain resource and the fifth time domain resource can be 2 time units. When the terminal device determines the third time domain resource according to the indication information, it can determine the time domain position of the third time domain resource according to the time offset between the fifth time domain resource and the third time domain resource. This can reduce the bit overhead in the indication information for determining the third time domain resource. Through the method provided in the embodiments of this application, the indication information may not indicate the time offset value between the second time domain resource or the first time domain resource and the third time domain resource, but only indicate the time offset between the fifth time domain resource and the third time domain resource. Since the corresponding time offset value of the latter is less than that of the former, the overhead of the indication information for the time offset value can be saved, ensuring the transmission reliability of the indication information.

[0176] Optionally, the fifth time domain resource can be the time domain resource where the terminal device first detects DCI. Considering the specific implementation process of the terminal device, starting from when the terminal device receives the indication information, it is earliest possible to complete the parsing of the received indication information on the fifth time domain resource. That is, the terminal device also starts to detect the DCI sent by the network device from the fifth time domain resource earliest. The fifth time domain resource can be regarded as the earliest occurrence of the third time domain resource. Optionally, the fifth time domain resource can be the third time domain resource.

[0177] In addition, through the method provided by the embodiments of the present application, since the earliest time position of the DCI that the terminal device can receive in response to the resource request corresponds to the time position of the fifth time-domain resource, by indicating the time offset between the fifth time-domain resource and the third time-domain resource, unnecessary information indication can be saved, and the information indication overhead can be saved. For example, if the number of bits included in the indication information is fixed, it can be understood that the third time-domain resource determined by the indication information indicating the third time-domain offset value between the fifth time-domain resource and the third time-domain resource, and the third time-domain resource determined by the indication information indicating the second time-domain offset value between the second time-domain resource and the third time-domain resource. Among the two third time-domain resources determined by these two methods, the third time-domain resource determined by the third time-domain offset value is later in time. Since the terminal device does not need to detect the DCI in response to the resource request before the third time-domain resource after detecting the indication information transmitted on the second time-domain resource, the third time-domain resource is later in time position, which will further reduce the power consumption of the terminal device.

[0178] Optionally, in the embodiments of the present application, in addition to being represented by using the absolute time length or the number of time units (such as time slots, sub-frames, symbols, etc.), the above first time-domain offset value, second time-domain offset value, third time-domain offset value, time offset value between the first time-domain resource and the second time-domain resource, time offset value between the fifth time-domain resource and the second time-domain resource, or time offset value between the fifth time-domain resource and the first time-domain resource can also be represented by the number of discontinuous reception (DRX) cycles. DRX can be a working mode that saves power consumption of the terminal device, in which the terminal device only turns on the receiver to enter the active state during the necessary time period to receive downlink data, and turns off the receiver to enter the sleep state and stop receiving downlink data during the remaining time period. The DRX cycle is used to indicate the interval duration between two active states in the DRX state. One DRX cycle consists of an active state period and an optional sleep period. Representing the length of the time-domain offset value by the number of DRX cycles can reduce the load degree and signaling overhead for the time-domain offset value and save resources.

[0179] Optionally, in the embodiments of the present application, the third time-domain resource can be the time-domain resource corresponding to the DRX cycle closest to the second time-domain resource after the second time-domain resource. Optionally, the DRX cycle closest to the second time-domain resource may include (correspond to) one or more time-domain resources. If the DRX cycle includes multiple time-domain resources, the third time-domain resource can be the first time-domain resource included in the DRX cycle. For example, if the DRX cycle includes multiple time slots and each time slot can be regarded as a time-domain resource, the third time-domain resource can be the first time slot included in the DRX cycle.

[0180] Optionally, in the embodiments of the present application, the second time-domain resource may appear periodically or aperiodically. When both the first time-domain resource and the second time-domain resource appear periodically, one first time-domain resource may correspond to one second time-domain resource.

[0181] It should be understood that in the application, the parameters (numerology) corresponding to different time-domain resources may be the same or different. When the numerology corresponding to different time-domain resources is different, the time offset between two different time-domain resources may be determined according to the numerology corresponding to any one of the time-domain resources. Numerology can be understood as a system parameter, and specifically may include the subcarrier spacing (SCS).

[0182] It should also be understood that for the determination method of the time-domain position of the fourth time-domain resource, it can also be determined in a similar way to the method for determining the time-domain position of the third time-domain resource. For a similar description, refer to the above process for determining the time-domain position of the third time-domain resource. For the sake of brevity, it will not be elaborated here.

[0183] It should also be understood that in the embodiments of the present application, when the indication information is carried by the first signal, that is, when the indication information is sent to the terminal device in the way carried by the first signal, the type and / or number of the first signal may be predefined or configured by signaling. When the terminal device detects the indication information at the second time, it only needs to detect the predefined or pre-configured first signal and does not need to detect other types of signals, and / or, it only needs to detect the predefined or pre-configured number of first signals and does not need to detect other numbers of first signals. This can reduce the complexity of the terminal device in detecting the indication information, and further reduce the power consumption of the terminal device. In addition, generally speaking, the complexity of the terminal device in detecting a signal is lower than that in detecting a control channel. Therefore, it can be understood that carrying the indication information by the first signal will further reduce the power consumption of the terminal device.

[0184] It should also be understood that in the embodiments of the present application, there is a corresponding relationship between the first signal and the time-domain offset value, and the time-domain offset value is used for the terminal device to determine the time-domain resource of the third time-domain resource.

[0185] Specifically, there may be a corresponding relationship between the type or number of the first signal and the time domain offset value. This time domain offset value can be used to determine the time domain position of the third time domain resource. For example, the time domain offset value may include at least one of the above-mentioned first time domain offset value, second time domain offset value, and third time domain offset value. That is, different types of signals can represent (correspond to) different time domain offset values. Different numbers of signals can also represent (correspond to) different time domain offset values. Optionally, the number or type of the signal can also characterize (correspond to) the magnitude of the offset value. The above-mentioned corresponding relationship between the type or number of the signal and the time domain offset value can be predefined or configured by signaling.

[0186] For example, assume that the first type of signal (e.g., the sequence generating the signal is scrambled by the first OCC) corresponds to the first time domain offset value, the second type of signal (e.g., the sequence generating the signal is scrambled by the second OCC) corresponds to the second time domain offset value, and the third type of signal (e.g., the sequence generating the signal is scrambled by the third OCC) corresponds to the third time domain offset value. If the terminal device detects the first type of signal on the second time domain resource, it can determine the first time domain offset value, that is, it can determine the time domain offset value between the first time domain resource and the third time domain resource, so as to determine the time domain position of the third time domain resource. Optionally, a possible implementation is: the first type of signal can not only indicate the first time domain offset value, but also indicate the magnitude of the first time domain offset value. That is, the first type of signal not only indicates that the type of the time domain offset value is the first time domain offset value, but also indicates the magnitude of the time domain offset value (i.e., the magnitude of the first time domain offset value). Optionally, another possible implementation is: the first type of signal can only indicate the first time domain offset value, that is, the first type of signal only indicates that the type of the time domain offset value is the first time domain offset value. The magnitude of the first time domain offset value is determined or indicated by the number of the first type of signals.

[0187] By using the type or number of the first signal to indicate the time domain offset value, the signaling overhead for indicating the time domain offset value can be reduced, and the transmission reliability of the indication information can be ensured.

[0188] Optionally, in the embodiment of the present application, there is a corresponding relationship between the type or number of the first signal and the time domain offset value, and this time domain offset value can also be used by the terminal device to determine the time domain resource of the fourth time domain resource.

[0189] It should be understood that in the embodiment of the present application, the indication information can be specific to the terminal device, that is, it only takes effect for the terminal device, or the indication information can also take effect for a group of terminal devices. When the indication information takes effect for a group of terminal devices, the overhead of the indication information can be saved, resource waste can be reduced, and the transmission performance of the indication information can be ensured.

[0190] Optionally, in some possible implementation manners of this application, the indication information may be sent to the terminal device by being carried in the first information, that is, the indication information is included in the first information. The first information may be used to trigger the terminal device to enable or disable the control information detection function in the DRX state, and / or to trigger the terminal device to stop or not stop detecting the control information when the control information detection function is enabled. The network device may send the first information to the terminal device in the second time domain resource, and the first information includes (carries) the indication information. The terminal device detects the first information in the second time domain resource.

[0191] Specifically, the indication information may be carried in the first information. The first information may be used to trigger whether the terminal device enables the control channel (taking the PDCCH as an example) detection function in the DRX state, and / or to trigger whether the terminal device stops detecting the PDCCH when the PDCCH detection function is enabled in the DRX state. By detecting the first information, the terminal device can determine whether it needs to enable the PDCCH detection function in the next DRX state, and can also determine whether to enable the detection function of the uplink scheduling grant (UL grant). Further, it can also determine whether to detect the control information in the third time unit. This can save the overhead of the indication information, reduce the number of control channels that the terminal device needs to detect, and thus reduce the power consumption of the terminal device. It should be understood that enabling the PDCCH detection function or enabling the detection function of the uplink scheduling grant can be understood as the terminal device starts to detect the PDCCH or the uplink scheduling grant.

[0192] As a possible implementation manner, the above-mentioned first information may include a wake up signal (WUS), a power saving signal (PoSS), or a go to sleep (GTS) signal, etc. By detecting the WUS signal, PoSS signal, or GTS signal in the second time domain resource, the terminal device can determine whether it needs to enable the PDCCH detection function in the next DRX state, and can also determine whether to enable the detection function of the uplink scheduling grant. Further, it can also determine whether to detect the DCI in the third time domain resource. For example, assume that 1 bit information in the PoSS signaling is used to represent the indication information, and this 1 bit can be a response to resource requests sent by multiple terminal devices. It should be understood that in the embodiments of this application, the first information may also include other information or signals used to trigger whether the terminal device enables the PDCCH detection function in the DRX state, and / or to trigger whether the terminal device stops detecting the PDCCH when the PDCCH detection function is enabled. The embodiments of this application do not limit this here.

[0193] By carrying the indication information in the WUS, PoSS or GTS signal, the overhead of the indication information can be saved, the number of control channels that the terminal device needs to detect can be reduced, and the power consumption of the terminal device can be saved.

[0194] It should be understood that in the embodiments of the present application, the indication information can be effective for a group of terminal devices. Since the terminal device can determine whether it has sent a resource request on the first time-domain resource, for a terminal device that has not sent a resource request, even if the indication information indicates that the terminal device detects the DCI sent by the network device on the third time-domain resource, the terminal device may not detect the DCI. For a terminal device that has sent a resource request, it can detect the DCI sent by the network device on the third time-domain resource, or does not detect the DCI sent by the network device on the fourth time-domain resource.

[0195] Furthermore, assume that the indication information is effective for both terminal device A and terminal device B, and terminal device A and terminal device B have respectively sent resource requests on their respective first time-domain resources (the first time-domain resources corresponding to different terminal devices may be the same or different), but the network device only detects the resource request sent by terminal device A and does not detect the resource request sent by terminal device B. This will cause the situation that although terminal device B detects the indication information, the indication information sent by the network device actually does not consider whether terminal device B enables the DCI detection function on the third time-domain resource. For example, if the indication information is used to indicate detecting DCI on the third time-domain resource. Although terminal device B starts to detect DCI on the third time-domain resource, it will not detect the DCI sent by the network device for terminal device B. In order to reduce the power consumption of terminal device B for detecting DCI, if terminal device B does not detect the DCI scheduling its data transmission within a certain period of time, it can re-initiate a resource request.

[0196] Optionally, in some possible implementation manners of the present application, when the terminal device detects the indication information on the second time-domain resource, and the indication information is used to indicate that the terminal device detects the DCI on the third time-domain resource, or the indication information is used to indicate the third time-domain resource, Figure 7 For example, on the basis of the method steps shown in Figure 2 , the method 200 further includes: S240.

[0197] S240, when the indication information is used to indicate that the terminal device detects the DCI on the third time-domain resource, or the indication information is used to indicate the third time-domain resource, the terminal device detects the DCI on the third time-domain resource.

[0198] Figure 7The descriptions of S210 to S230 shown above can be referred to the above descriptions of S210 to S230. For the sake of brevity, they will not be elaborated here.

[0199] In S240, when the terminal device detects a first signal on a second time-domain resource. Or, when the terminal device detects a certain type of first signal on the second time-domain resource, and the type of the first signal is used to indicate that the terminal device detects the DCI on a third time-domain resource or is used to indicate the third time-domain resource. Or, the terminal device detects indication information carried on a control channel on the second time-domain resource, and the indication information is used to indicate that the terminal device detects the DCI on the third time-domain resource or is used to indicate the third time-domain resource. Then the terminal device detects the DCI on the third time-domain resource. The terminal device can determine the time-domain position of the third time-domain resource according to the indication of the indication information or a predefined time-domain offset value (the first time-domain offset value, the second time-domain offset value, or the third time-domain offset value). The DCI includes response information to the resource request sent by the terminal device. The DCI can be transmitted through a PDCCH or a PDSCH, or can also be transmitted through other physical transmission channels. The embodiments of the present application do not make specific limitations on this. For example, the DCI can be an uplink scheduling grant (UL grant). According to the detected DCI, the terminal device can perform uplink data transmission or sidelink data transmission using the transmission parameters indicated by the DCI.

[0200] In the resource request method provided by the present application, after the terminal device sends a resource request on a first time-domain resource, it does not immediately start detecting the DCI sent by the network device in response to the resource request. Instead, according to the indication information detected on a second time-domain resource, when the indication information indicates to detect the DCI sent by the network device on a third time-domain resource, it starts to detect the DCI on the third time-domain resource. During the time interval between the first time-domain resource and the second time-domain resource, and the time interval between the second time-domain resource and the third time-domain resource, the terminal device does not need to detect the DCI sent by the network device, which can save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience.

[0201] When the indication information indicates not to detect the DCI sent by the network device on a third time-domain resource, or the indication information is used to indicate a fourth time-domain resource, the terminal device does not need to detect the DCI on the third time-domain resource, or does not need to detect the DCI on the fourth time-domain resource, which can also save the power consumption of the terminal device and increase the service life of the terminal device.

[0202] It should be understood that Figure 3 The steps shown above may also include S240.

[0203] Optionally, in some possible implementation manners of the present application, taking Figure 8 as an example, in Figure 2Based on the method steps shown, the method 200 further includes: S209.

[0204] S209. The network device sends trigger information to the terminal device, and the trigger information is used to instruct the terminal device to determine whether to detect the DCI according to the indication information.

[0205] Figure 8 For the descriptions of S210 to 230 shown, reference may be made to the above descriptions of S210 to 230. For the sake of brevity, they are not elaborated here.

[0206] In the embodiment of the present application, after the terminal device sends a resource request on the first time-domain resource, it needs to first detect the indication information on the second time-domain resource, and then determine whether to detect the DCI sent by the network device on the third time-domain resource according to the indication information, or determine not to detect the DCI on the fourth time-domain resource. The processing flow that the terminal device needs to wait until the indication information is detected before determining whether to start detecting the DCI can be triggered. In S209, the network device can send trigger information to the terminal device, and the trigger information is used to indicate whether the terminal device starts the processing flow of determining whether to start detecting the DCI only after the indication information is detected. The trigger information can be used to instruct the terminal device to immediately start detecting the DCI after sending the resource request on the first time-domain resource, or it can be used to instruct the terminal device to wait until the indication information is detected on the second time-domain resource after sending the resource request on the first time-domain resource, and then determine whether to detect the DCI on the third time-domain resource according to the indication information, or determine not to detect the DCI on the fourth time-domain resource. For example, assuming that 1 bit is used to represent the trigger information, when the value of this bit is 0, it can indicate that the terminal device immediately starts detecting the DCI sent by the network device after sending the resource request. When the value of this bit is 1, it can indicate that the terminal device needs to detect the indication information after sending the resource request, and then determine whether to start detecting the DCI according to the indication information.

[0207] Optionally, the network device may also determine whether to send indication information according to detected different types of resource requests (illustrated by taking SR as an example). For example, for a terminal device, there are at least two types of SRs. The network device determines whether to send indication information according to the detected SR type. When the service data to be transmitted by the terminal device is sensitive to latency requirements, the terminal device may send a first type of SR. In this case, the network device may not send indication information, but instruct the terminal device to start detecting DCI immediately after sending the first type of SR. However, if network congestion or other situations occur on the network device side, indication information may also be sent to instruct the terminal device to detect the indication information first and then determine whether to start detecting DCI. If the service data to be transmitted by the terminal device is not sensitive to latency requirements, the terminal device may send a second type of SR. Based on the detected second type of SR, the network device may send indication information to instruct the terminal device to detect the indication information first and then determine whether to start detecting DCI. In this way, while meeting the data transmission latency requirements, the power consumption required for the terminal device to detect DCI can be reduced as much as possible.

[0208] It should be understood that the correspondence between the type of resource request and the processing flow in which the terminal device needs to detect indication information to determine whether to detect DCI can be predefined or configured by signaling. For example, the first type of resource request corresponds to the processing flow in which the terminal device starts detecting DCI immediately after sending the resource request, and the second type of resource request corresponds to the processing flow in which the terminal device needs to detect indication information to determine whether to detect DCI after sending the resource request. It should also be understood that the type of resource request may also have a correspondence with time domain offset values (for example, the first time domain offset value, the second time domain offset value, the third time domain offset value). Different types of resource requests are used to indicate different time domain offset values. The network device can determine which time domain offset value is predetermined or preconfigured for the terminal device according to the type of resource request sent by the terminal device.

[0209] It should also be understood that Figure 3 or Figure 7 The steps shown may also include S209.

[0210] Optionally, in the embodiments of the application, if the terminal device does not receive the indication information on the predefined or preconfigured second time-domain resource after sending a resource request on the first time-domain resource, the terminal device may continue to send the resource request on the time-domain resource closest to the second time-domain resource after the second time-domain resource. For example, the time-domain resource closest to the second time-domain resource may be the next subframe or the next time slot after the second time-domain resource. For another example, if the resource request is sent periodically, the time-domain resource closest to the second time-domain resource may be the time-domain resource corresponding to the transmission period of the resource request that is the closest (earliest) after the second time-domain resource.

[0211] Optionally, in the embodiments of the application, if the terminal device detects the indication information on two second time-domain resources after sending a resource request on the first time-domain resource, the terminal device shall use the indication information detected last time as the criterion, that is, determine whether to detect the DCI for responding to the resource request on the third time-domain resource or determine not to detect the DCI on the fourth time-domain resource according to the indication information detected last time.

[0212] Optionally, in some possible implementation manners of the present application, to prevent the situation that the resource request sent by the terminal device is not detected by the network device, after sending the resource request, the terminal device may start a timer at the start time of the first time-domain resource or at the start time of the second time-domain resource. If the indication information is not detected within the timer, the terminal device may continue to send the resource request after the timer expires, so as to increase the possibility that the resource request is detected by the network device and improve the reliability of resource request transmission.

[0213] It should be understood that, optionally, in the embodiments of the application, even if the terminal device enables the control channel (such as PDCCH) detection function, but if the indication information is not received, the detection of the control information (DCI) may not be performed. Further, the network device may configure parameters for detecting the downlink scheduling information and the uplink scheduling information (the control information in response to the resource request) for the terminal device respectively. The downlink scheduling information is used to schedule the resources for downlink data transmission between the terminal device and the network device. The uplink scheduling information (such as DCI) may be used to schedule the resources for uplink data transmission between the terminal device and the network device and / or the sidelink data transmission resources of the terminal device. Optionally, the parameters of the uplink scheduling information may include the number of PDCCH blind detections, the aggregation level corresponding to the control channel carrying the scheduling information, etc., so as to more flexibly reduce the power consumption of the terminal device for detecting the DCI.

[0214] It is also understood that in the embodiments of the application, optionally, if the terminal device enables the control channel (such as PDCCH) detection function (including the detection of downlink scheduling information, uplink scheduling information, and sidelink scheduling information), and during the detection of the PDCCH, a GTS signaling sent by the network device is received, then to ensure the transmission performance of the uplink data and / or sidelink data of the terminal device, the terminal device can only stop detecting the downlink scheduling information, but continue to detect the uplink scheduling information and sidelink scheduling information (DCI in response to a resource request). Optionally, the terminal device can continue to detect the uplink scheduling information through the default-configured DCI format. Thus, the uplink transmission and the transmission of sidelink data are guaranteed.

[0215] It should be understood that the manners, situations, categories, and the division of the embodiments in the present application are only for the convenience of description and should not constitute a special limitation. The features in various manners, categories, situations, and embodiments can be combined without conflict.

[0216] It should also be understood that the various digital numbers involved in the embodiments of the present application are only for the convenience of distinction in description and do not limit the scope of the embodiments of the present application. The magnitudes of the sequence numbers of the above processes do not mean the order of execution. The order of execution of each process should be determined by its function and internal logic and should not constitute any limitation to the implementation process of the embodiments of the present application.

[0217] It should also be understood that the above is only to help those skilled in the art better understand the embodiments of the present application, rather than to limit the scope of the embodiments of the present application. Those skilled in the art can obviously make various equivalent modifications or changes according to the above examples. For example, some steps in the above method 200 may not be necessary, or some steps may be newly added, etc. Or any combination of any two or any multiple of the above embodiments. The solutions after such modifications, changes, or combinations also fall within the scope of the embodiments of the present application.

[0218] It should also be understood that the above description of the embodiments of the present application focuses on emphasizing the differences between the embodiments. The same or similar parts not mentioned can be referred to each other. For the sake of brevity, they will not be elaborated here.

[0219] It should also be understood that in the embodiments of the present application, "predefined" can be implemented by pre-saving the corresponding codes, tables, or other ways that can be used to indicate relevant information in the device (such as including the terminal device and the network device). The present application does not limit its specific implementation manner.

[0220] The above is combined with Figures 1 to 8 The method for resource request in the embodiments of the present application has been described in detail. Next, in combination with Figures 9 to 15 The communication device in the embodiments of the present application will be described in detail.

[0221] Figure 9 FIG. 3 shows a schematic block diagram of a communication device 300 according to an embodiment of the present application. The device 300 may correspond to the terminal device described in the above method 200, or may be a chip or component applied to the terminal device. Moreover, each module or unit in the device 300 is respectively used to perform each action or processing procedure executed by the terminal device in the above method 200.

[0222] As Figure 9 shown, the device 300 may include a processing unit 310 and a transceiver unit 320. The transceiver unit 320 is used to perform specific signal transmission and reception under the drive of the processing unit 310.

[0223] The processing unit 310 is used to generate a resource request for requesting data transmission resources.

[0224] The transceiver unit 320 is used to send a resource request on a first time-domain resource, and the resource request is used to request data transmission resources.

[0225] The transceiver unit 320 is further used to receive indication information on a second time-domain resource. The indication information is used to indicate that the communication device detects DCI on a third time-domain resource, and the DCI is used to respond to the resource request, or the indication information is used to indicate that the communication device does not detect DCI on a third time-domain resource, and the DCI is used to respond to the resource request.

[0226] For the communication device provided by the present application, after sending a resource request on a first time-domain resource, it does not immediately start detecting the DCI sent by the network device in response to the resource request. Instead, it receives indication information on a second time-domain resource and determines whether to detect the DCI sent by the network device on a third time-domain resource according to the indication of the indication information. During the time interval between the first time-domain resource and the second time-domain resource, and the time interval between the second time-domain resource and the third time-domain resource, the communication device does not need to detect the DCI sent by the network device, which can save the power consumption of the communication device, increase the service life of the communication device, and improve the user experience.

[0227] Optionally, in some embodiments of the present application, the indication information is used to indicate the third time-domain resource carrying the DCI, and the DCI is used to schedule the data transmission resources, or the indication information is used to indicate the fourth time-domain resource, and the fourth time-domain resource does not carry the DCI for scheduling the data transmission resources.

[0228] Optionally, in some embodiments of the present application, the indication information is carried by a first signal, or the indication information is transmitted through a control channel.

[0229] Optionally, in some embodiments of the present application, the transceiver unit 320 is further configured to detect the control channel on the second time-domain resource by using at least one of the following methods:

[0230] Detect the control channel at a candidate detection position corresponding to the first aggregation level AL;

[0231] Detect the control channel by using the first DCI format;

[0232] Detect the control channel on the time-frequency resources of the first control resource set;

[0233] Detect the control channel on the first search space;

[0234] Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling.

[0235] Optionally, in some embodiments of the present application, the processing unit 310 is further configured to determine the second time-domain resource according to the first time-domain resource and the offset value, where the offset value is predefined or configured by signaling.

[0236] Optionally, in some embodiments of the present application, the indication information includes a time-domain offset value, where the time-domain offset value is used to indicate the time-domain position of the third time-domain resource; or, the indication information includes the time-domain position of the third time-domain resource.

[0237] Optionally, in some embodiments of the present application, the time-domain offset value includes:

[0238] At least one of a first time-domain offset value, a second time-domain offset value, and a third time-domain offset value,

[0239] The first time-domain offset value is the offset value in the time domain between the first time-domain resource and the third time-domain resource;

[0240] The second time-domain offset value is the offset value in the time domain between the second time-domain resource and the third time-domain resource;

[0241] The third time-domain offset value is the offset value in the time domain between the fifth time-domain resource and the third time-domain resource. The fifth time-domain resource is located after the second time-domain resource and before the third time-domain resource in the time domain. The offset value between the fifth time-domain resource and the second time-domain resource, and / or the offset value between the fifth time-domain resource and the first time-domain resource is predefined or configured by signaling.

[0242] Optionally, in some embodiments of the present application, the indication information is included in the first information, and the first information is used to trigger the communication device to enable or not enable the control information detection function in the discontinuous reception (DRX) state, and / or, the first information is used to trigger the communication device to stop or not stop detecting the control information in the discontinuous reception (DRX) state.

[0243] Optionally, in some embodiments of the present application, there is a correspondence between the first signal and the time domain offset value, and the time domain offset value is used for the communication device to determine the third time domain resource.

[0244] Optionally, in some embodiments of the present application, the transceiver unit 320 is further configured to receive trigger information, and the trigger information is used to instruct the communication device to determine whether to detect the DCI according to the indication information.

[0245] Furthermore, the device 300 may further include a storage unit. The transceiver unit 320 may be a transceiver, an input / output interface, or an interface circuit. The storage unit is used to store instructions executed by the transceiver unit 320 and the processing unit 310. The transceiver unit 320, the processing unit 310, and the storage unit are coupled to each other. The storage unit stores instructions, the processing unit 310 is configured to execute the instructions stored by the storage unit, and the transceiver unit 320 is configured to perform specific signal transceiver under the drive of the processing unit 310.

[0246] It should be understood that for the specific processes of each unit in the device 300 to execute the above corresponding steps, please refer to the descriptions related to the terminal device in the relevant embodiments in combination with the method 200 and Figure 2 、 Figure 3 、 Figure 7 、 Figure 8 For the sake of brevity, no further elaboration is provided here.

[0247] Optionally, the transceiver unit 320 may include a receiving unit (module) and a transmitting unit (module), and is used to execute each embodiment of the foregoing method 200 and Figure 2 、 Figure 3 、 Figure 7 、 Figure 8 the steps of the terminal device receiving and sending information in the embodiments shown.

[0248] It should be understood that the transceiver unit 320 may be a transceiver, an input / output interface, or an interface circuit. The storage unit may be a memory. The processing unit 310 may be implemented by a processor. As Figure 10As shown, the communication device 400 may include a processor 410, a memory 420, a transceiver 430, and a bus system 440. Each component of the communication device 400 is coupled together through the bus system 440, where the bus system 440 may include a power bus, a control bus, a status signal bus, etc. in addition to a data bus. However, for the sake of clear illustration, in Figure 10 all kinds of buses are labeled as the bus system 440. For ease of representation, Figure 10 it is only schematically shown in

[0249] Figure 9 The communication device 300 shown or Figure 10 The communication device 400 shown can implement each embodiment of the foregoing method 200 and Figure 2 , Figure 3 , Figure 7 , Figure 8 The steps executed by the terminal device in the shown embodiments. Similar descriptions can refer to the descriptions in the corresponding foregoing methods. To avoid repetition, they will not be elaborated here.

[0250] It should also be understood that Figure 9 The communication device 300 shown or Figure 10 The communication device 400 shown can be a terminal device.

[0251] Figure 11 FIG. shows a schematic block diagram of a communication device 500 according to an embodiment of the present application. The device 500 may correspond to the network device described in the foregoing method 200, or may be a chip or component applied to the network device. Moreover, each module or unit in the device 500 is respectively used to execute each action or processing procedure performed by the network device in the foregoing method 200.

[0252] As Figure 11 shown, the device 500 may include a transceiver unit 510 and a processing unit 520. The transceiver unit 520 is used to perform specific signal transceiver under the drive of the processing unit 510.

[0253] The transceiver unit 510 is used to receive a resource request from a terminal device on a first time-domain resource, and the resource request is used to request a data transmission resource.

[0254] The processing unit 520 is used to generate indication information.

[0255] The transceiver unit 510 is further used to send the indication information to the terminal device on a second time-domain resource. The indication information is used to indicate a third time-domain resource carrying DCI, and the DCI is used to schedule the data transmission resource, or the indication information is used to indicate a fourth time-domain resource on which no DCI for scheduling the data transmission resource is carried.

[0256] After the communication device provided in this application receives a resource request sent by a terminal device on a first time-domain resource, it does not immediately indicate to the terminal to detect the DCI in response to the resource request. Instead, it sends indication information to the terminal device on a second time-domain resource, and the indication information is used to indicate whether the terminal device needs to detect the DCI sent by the network device on a third time-domain resource. During the time interval between the first time-domain resource and the second time-domain resource, and the time interval between the second time-domain resource and the third time-domain resource, the DCI that the terminal device does not need to detect can save the power consumption of the terminal device, increase the service life of the terminal device, and improve the user experience.

[0257] Optionally, in some embodiments of this application, the indication information is used to indicate that the communication device detects the DCI on the third time-domain resource, and the DCI is used to respond to the resource request, or the indication information is used to indicate that the communication device does not detect the DCI on the third time-domain resource, and the DCI is used to respond to the resource request.

[0258] Optionally, in some embodiments of this application, the indication information is carried by a first signal, or the indication information is transmitted through a control channel.

[0259] Optionally, in some embodiments of this application, the transceiver unit 510 is further configured to send a control channel to the terminal device on the second time-domain resource in at least one of the following manners;

[0260] Send the control channel to the terminal device at a candidate transmission position corresponding to a first aggregation level AL;

[0261] Send the control channel to the terminal device using a first DCI format;

[0262] Send the control channel to the terminal device on the time-frequency resources of a first control resource set;

[0263] Send the control channel to the terminal device on a first search space;

[0264] Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling.

[0265] Optionally, in some embodiments of this application, the processing unit 520 is further configured to determine the second time-domain resource according to the first time-domain resource and an offset value, and the offset value is predefined or configured by signaling.

[0266] Optionally, in some embodiments of the present application, the indication information includes a time domain offset value, and the time domain offset value is used to indicate the time domain position of the third time domain resource; or, the indication information includes the time domain position of the third time domain resource.

[0267] Optionally, in some embodiments of the present application, the time domain offset value includes:

[0268] at least one of a first time domain offset value, a second time domain offset value, and a third time domain offset value,

[0269] The first time domain offset value is the offset value in the time domain between the first time domain resource and the third time domain resource;

[0270] The second time domain offset value is the offset value in the time domain between the second time domain resource and the third time domain resource;

[0271] The third time domain offset value is the offset value in the time domain between the fifth time domain resource and the third time domain resource. The fifth time domain resource is located after the second time domain resource and before the third time domain resource in the time domain. The offset value between the fifth time domain resource and the second time domain resource, and / or the offset value between the fifth time domain resource and the first time domain resource is predefined or configured by signaling.

[0272] Optionally, in some embodiments of the present application, the indication information is included in the first information. The first information is used to trigger the terminal device to enable or not enable the control information detection function in the discontinuous reception (DRX) state, and / or the first information is used to trigger the terminal device to stop or not stop detecting the control information in the discontinuous reception (DRX) state.

[0273] Optionally, in some embodiments of the present application, there is a corresponding relationship between the first signal and the time domain offset value, and the time domain offset value is used for the terminal device to determine the third time domain resource.

[0274] Optionally, in some embodiments of the present application, the transceiver unit 510 is further configured to send trigger information to the terminal device, and the trigger information is used to instruct the terminal device to determine whether to detect the DCI according to the indication information.

[0275] It should be understood that for the specific processes of each unit in the apparatus 500 to execute the above corresponding steps, please refer to the descriptions related to the network device in the relevant embodiments in combination with the method 200 and Figure 2 、 Figure 3 、 Figure 7 、 Figure 8 above. For the sake of brevity, no further details are provided here.

[0276] Optionally, the transceiver unit 510 may include a receiving unit (module) and a transmitting unit (module), and is configured to execute the various embodiments of the foregoing method 200 and Figure 2 and Figure 3 and Figure 7 and Figure 8 the steps of the network device receiving and sending information in the embodiments shown.

[0277] Further, the apparatus 500 may further include a storage unit. The transceiver unit 510 may be a transceiver, an input / output interface, or an interface circuit. The storage unit is configured to store the instructions executed by the transceiver unit 510 and the processing unit 520. The transceiver unit 510, the processing unit 520, and the storage unit are coupled to each other. The storage unit stores instructions, the processing unit 520 is configured to execute the instructions stored by the storage unit, and the transceiver unit 510 is configured to perform specific signal transceiver under the drive of the processing unit 520.

[0278] It should be understood that the transceiver unit 520 may be a transceiver, an input / output interface, or an interface circuit. The storage unit may be a memory. The processing unit 310 may be implemented by a processor. As Figure 12 shown, the communication apparatus 600 may include a processor 610, a memory 620, and a transceiver 630.

[0279] Figure 11 the communication apparatus 500 shown or Figure 12 the communication apparatus 600 shown is capable of implementing the foregoing various method embodiments and Figure 2 and Figure 3 and Figure 7 and Figure 8 the steps executed by the network device in the embodiments shown. Similar descriptions may refer to the descriptions in the corresponding foregoing methods. To avoid repetition, they will not be elaborated here.

[0280] It should also be understood that Figure 11 the communication apparatus 500 shown or Figure 12 the communication apparatus 600 shown may be a network device.

[0281] It should also be understood that the division of units in the above device is only a division of logical functions. In actual implementation, they can be fully or partially integrated into a physical entity, or physically separated. And the units in the device can all be implemented in the form of software called by processing elements; they can also all be implemented in the form of hardware; or some units can be implemented in the form of software called by processing elements, and some units can be implemented in the form of hardware. For example, each unit can be a separately established processing element, or can be integrated in a certain chip of the device. In addition, it can also be stored in the memory in the form of a program, and the function of the unit can be called and executed by a certain processing element of the device. Here, this processing element can also be called a processor, which can be an integrated circuit with signal processing capabilities. In the implementation process, each step of the above method or each of the above units can be implemented through the integrated logic circuit of the hardware in the processor element or in the form of software called by the processing element.

[0282] In one example, the units in any of the above devices can be one or more integrated circuits configured to implement the above method. For example: one or more application specific integrated circuits (ASICs), or, one or more digital signal processors (DSPs), or, one or more field programmable gate arrays (FPGAs), or a combination of at least two of these integrated circuit forms. Again, when the units in the device can be implemented in the form of a processing element scheduling program, this processing element can be a general-purpose processor, such as a central processing unit (CPU) or other processors that can call programs. Again, these units can be integrated together and implemented in the form of a system-on-a-chip (SOC).

[0283] Figure 13 The structure diagram of a terminal device 700 provided by this application is shown. The above device 300 or 400 can be configured in the terminal device 700. Or, the device 300 or 400 itself can be the terminal device 700. Or rather, the terminal device 700 can execute the actions performed by the terminal device in the above method 200.

[0284] For the sake of convenience of description, Figure 13 only the main components of the terminal device are shown. As Figure 13 shown, the terminal device 700 includes a processor, a memory, a control circuit, an antenna, and an input / output device.

[0285] The processor is mainly used to process communication protocols and communication data, control the entire terminal device, execute software programs, and process the data of software programs. For example, it is used to support the terminal device to perform the actions described in the embodiments of the method for indicating the transmission precoding matrix. The memory is mainly used to store software programs and data, such as storing the codebook described in the above embodiments. The control circuit is mainly used for the conversion between baseband signals and radio frequency signals and the processing of radio frequency signals. The control circuit and the antenna together can also be called a transceiver, which is mainly used to transmit and receive radio frequency signals in the form of electromagnetic waves. The input / output device, such as a touch screen, a display screen, a keyboard, etc., is mainly used to receive data input by the user and output data to the user.

[0286] After the terminal device is powered on, the processor can read the software program in the storage unit, interpret and execute the instructions of the software program, and process the data of the software program. When data needs to be wirelessly transmitted, the processor performs baseband processing on the data to be transmitted and then outputs a baseband signal to the radio frequency circuit. The radio frequency circuit performs radio frequency processing on the baseband signal and then transmits the radio frequency signal outward in the form of electromagnetic waves through the antenna. When data is sent to the terminal device, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor. The processor converts the baseband signal into data and processes the data.

[0287] Those skilled in the art can understand that for the sake of convenience of description, Figure 13 only one memory and one processor are shown. In an actual terminal device, there may be multiple processors and memories. The memory can also be referred to as a storage medium or a storage device, etc., and the embodiments of the present application do not limit this.

[0288] For example, the processor may include a baseband processor and a central processing unit. The baseband processor is mainly used to process communication protocols and communication data, and the central processing unit is mainly used to control the entire terminal device, execute software programs, and process the data of software programs. Figure 13 The processor in [] integrates the functions of the baseband processor and the central processing unit. Those skilled in the art can understand that the baseband processor and the central processing unit can also be independent processors interconnected through technologies such as a bus. Those skilled in the art can understand that the terminal device may include multiple baseband processors to adapt to different network modes, and the terminal device may include multiple central processing units to enhance its processing ability. Each component of the terminal device can be connected through 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 communication protocols and communication data can be built into the processor or stored in the storage unit in the form of a software program, and the processor executes the software program to implement the baseband processing function.

[0289] Exemplarily, in the embodiments of the present application, an antenna with transceiver functions and a control circuit can be regarded as the transceiver unit 701 of the terminal device 700, and a processor with processing functions can be regarded as the processing unit 702 of the terminal device 700. As Figure 13 shown, the terminal device 700 includes a transceiver unit 701 and a processing unit 702. The transceiver unit can also be referred to as a transceiver, a transceiver machine, a transceiver device, etc. Optionally, the devices in the transceiver unit 701 for implementing the receiving function can be regarded as the receiving unit, and the devices in the transceiver unit 701 for implementing the sending function can be regarded as the sending unit, that is, the transceiver unit 701 includes a receiving unit and a sending unit. Exemplarily, the receiving unit can also be referred to as a receiver, a receiver circuit, etc., and the sending unit can be referred to as a transmitter, a transmitter circuit, etc.

[0290] Figure 14 is a schematic structural diagram of a terminal device 800 provided by the present application. In Figure 14 this, the terminal device includes a processor 810, a transmitting data processor 820, and a receiving data processor 830. The processing unit 310 and the processing unit 520 in the above embodiments can be Figure 13 the processor 810 in this, and complete the corresponding functions. The transceiver unit 510 in the above embodiments can be Figure 8 the transmitting data processor 820, and / or the receiving data processor 830 in this. Although Figure 14 a channel encoder and a channel decoder are shown in this, it can be understood that these modules do not constitute a restrictive description of this embodiment, but are only illustrative.

[0291] Figure 15 is a schematic structural diagram of a network device 900 provided by an embodiment of the present application, which can be used to implement the functions of the network device in the above method. The network device 900 includes one or more radio frequency units, such as a remote radio unit (RRU) 901 and one or more baseband units (BBU) (which can also be referred to as a digital unit, DU) 902. The RRU 901 can be referred to as a transceiver unit, a transceiver machine, a transceiver circuit, or a transceiver, etc., and it can include at least one antenna 9011 and a radio frequency unit 9012. The RRU 901 part is mainly used for the transceiver of radio frequency signals and the conversion between radio frequency signals and baseband signals, for example, for sending the signaling messages in the above embodiments to the terminal device. The BBU 902 part is mainly used for baseband processing and controlling the base station, etc. The RRU 901 and the BBU 902 can be physically set together or physically separated, that is, a distributed base station.

[0292] The BBU 902 is the control center of the base station and can also be referred to as a processing unit, mainly used to complete baseband processing functions such as channel coding, multiplexing, modulation, spreading, etc. For example, the BBU (processing unit) 902 can be used to control the base station 90 to execute the operation processes of the network device in the above method embodiments.

[0293] In one example, the BBU 902 can be composed of one or more single boards. The multiple single boards can jointly support a radio access network of a single access mode (such as an LTE system or a 5G system), or can separately support radio access networks of different access modes. The BBU 902 also includes a memory 9021 and a processor 9022. The memory 9021 is used to store necessary instructions and data. For example, the memory 9021 stores the codebook in the above embodiments, etc. The processor 9022 is used to control the base station to perform necessary actions, such as controlling the base station to execute the operation processes of the network device in the above method embodiments. The memory 9021 and the processor 9022 can serve one or more single boards. That is to say, a memory and a processor can be separately provided on each single board. It is also possible that multiple single boards share the same memory and processor. In addition, necessary circuits can also be provided on each single board.

[0294] In a possible implementation manner, with the development of system-on-chip (SoC) technology, all or part of the functions of the 902 part and the 901 part can be implemented by SoC technology. For example, it can be implemented by a base station function chip. The base station function chip integrates devices such as a processor, a memory, and an antenna interface. The programs related to the base station functions are stored in the memory, and the processor executes the programs to implement the related functions of the base station. Optionally, the base station function chip can also read the memory external to the chip to implement the related functions of the base station.

[0295] It should be understood that Figure 15 The structure of the exemplary network device is only a possible form and should not constitute any limitation to the embodiments of the present application. The present application does not exclude the possibility of other forms of base station structures that may appear in the future.

[0296] It should be understood that in the embodiments of the present application, the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0297] It should also be understood that the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable ROM (PROM), an erasable PROM (EPROM), an electrically erasable PROM (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM), which is used as an external cache. By way of example but not limitation, many forms of random access memory (RAM) are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced SDRAM (ESDRAM), synchlink DRAM (SLDRAM), and direct rambus RAM (DR RAM).

[0298] The above embodiments can be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, the above embodiments can 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 or computer programs. When the computer instructions or computer programs are loaded or executed on a computer, the processes or functions according to the embodiments of the present application are generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wired (such as infrared, wireless, microwave, etc.) means. 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 or data center that contains one or more collections of available media. The available medium can be a magnetic medium (such as a floppy disk, hard disk, magnetic tape), an optical medium (such as a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state drive.

[0299] Embodiments of the present application further provide a communication system, which includes: the above terminal device and the above network device.

[0300] Embodiments of the present application further provide a computer-readable medium for storing computer program code. The computer program includes instructions for executing the method for resource request in the embodiments of the present application in the above method 200. The readable medium can be a read-only memory (ROM) or a random access memory (RAM), and the embodiments of the present application do not limit this.

[0301] The present application further provides a computer program product, which includes instructions that, when executed, cause the terminal device and the network device to respectively perform the operations of the terminal device and the network device corresponding to the above method.

[0302] Embodiments of the present application further provide a system chip, which includes: a processing unit and a communication unit. The processing unit can be, for example, a processor, and the communication unit can be, for example, an input / output interface, a pin, or a circuit. The processing unit can execute computer instructions to cause the chip in the communication device to execute any one of the methods for resource request provided in the embodiments of the present application.

[0303] Optionally, any one of the communication devices provided in the embodiments of the present application above can include the system chip.

[0304] Optionally, the computer instructions are stored in a storage unit.

[0305] Optionally, the storage unit is a storage unit within the chip, such as a register, cache, etc. The storage unit can also be a storage unit outside the chip within the terminal, such as a ROM or other types of static storage devices that can store static information and instructions, a RAM, etc. Among them, the processor mentioned anywhere above can be a CPU, a microprocessor, an ASIC, or an integrated circuit for controlling the execution of one or more programs of the above-mentioned resource request methods. The processing unit and the storage unit can be decoupled and respectively arranged on different physical devices, and are connected by wired or wireless means to implement the respective functions of the processing unit and the storage unit, so as to support the system chip to implement various functions in the above embodiments. Alternatively, the processing unit and the memory can also be coupled on the same device.

[0306] It can be understood that the memory in the embodiments of the present application can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories. Among them, the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory can be a random access memory (RAM), which is used as an external cache. By way of example but not limitation, many forms of random access memory (RAM) are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchlink dynamic random access memory (SLDRAM), and direct rambus random access memory (DR RAM).

[0307] The terms "system" and "network" are often used interchangeably in this document. The term "and / or" in this document is merely a description of the associated relationship between associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, both A and B exist simultaneously, and B exists alone. Additionally, the character " / " in this document generally represents an "or" relationship between the associated objects before and after.

[0308] The terms "upstream" and "downstream" that appear in this application are used to describe the direction of data / information transmission in a specific scenario. For example, the "upstream" direction generally refers to the direction in which data / information is transmitted from the terminal to the network side, or from the distributed unit to the centralized unit. The "downstream" direction generally refers to the direction in which data / information is transmitted from the network side to the terminal, or from the centralized unit to the distributed unit. It can be understood that "upstream" and "downstream" are only used to describe the direction of data / information transmission, and the specific starting and ending devices of this data / information transmission are not limited.

[0309] In this application, names may be given to various objects such as messages / information / devices / network elements / systems / devices / actions / operations / processes / concepts, etc. It can be understood that these specific names do not constitute a limitation on the relevant objects, and the given names can be changed according to factors such as the scenario, context, or usage habits. The understanding of the technical meaning of the technical terms in this application should mainly be determined from the functions and technical effects reflected / executed in the technical solution.

[0310] Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in combination with the embodiments disclosed in this document can be implemented by electronic hardware, or by a combination of computer software and electronic hardware. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods for each specific application to implement the described functions, but this implementation should not be considered to exceed the scope of this application.

[0311] Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working processes of the systems, devices, and units described above can refer to the corresponding processes in the foregoing method embodiments and will not be elaborated herein.

[0312] In several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed couplings or direct couplings or communication connections between each other can be through some interfaces. The indirect couplings or communication connections of the devices or units can be in electrical, mechanical, or other forms.

[0313] The units described as separate components may or may not be physically separated. The components displayed as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0314] In addition, in each embodiment of the present application, the functional units can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit.

[0315] If the functions are implemented in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, or part of this technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in each embodiment of the present application. And the aforementioned storage medium includes: USB flash drive, mobile hard disk, read-only memory (ROM), random access.

[0316] As described above, the above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present application can easily think of changes or substitutions, which should all be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method for resource request, characterized in that, including: sending a resource request on a first time-domain resource, where the resource request is used to request a data transmission resource for the terminal device to send uplink data or sidelink data; receiving indication information on a second time-domain resource, where the indication information is used to instruct the terminal device to detect downlink control information DCI on a third time-domain resource, and the DCI is used to respond to the resource request, or the indication information is used to instruct the terminal device not to detect downlink control information DCI on a third time-domain resource, and the DCI is used to respond to the resource request; wherein the indication information includes a time-domain offset value for indicating the time-domain position of the third time-domain resource, or the indication information includes the time-domain position of the third time-domain resource; the indication information is included in first information, and the first information is used to trigger the terminal device to enable or disable the control information detection function in the discontinuous reception DRX state, and / or the first information is used to trigger the terminal device to stop or not stop detecting control information in the discontinuous reception DRX state.

2. The method according to claim 1, wherein the indication information is carried by a first signal, or the indication information is transmitted through a control channel.

3. The method according to claim 2, wherein The receiving the indication information on the second time-domain resource includes: on the second time-domain resource, detecting the control channel by using at least one of the following methods: detecting the control channel at a candidate detection position corresponding to a first aggregation level AL; detecting the control channel by using a first DCI format; detecting the control channel on the time-frequency resources of a first control resource set; detecting the control channel on a first search space; where at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling.

4. The method according to any one of claims 1 to 3, characterized in that, The method further includes: determining the second time-domain resource according to the first time-domain resource and an offset value, where the offset value is predefined or configured by signaling.

5. The method according to any one of claims 1 to 3, characterized in that The time-domain offset value includes: at least one of a first time-domain offset value, a second time-domain offset value, and a third time-domain offset value, where the first time-domain offset value is the offset value in the time domain between the first time-domain resource and the third time-domain resource; the second time-domain offset value is the offset value in the time domain between the second time-domain resource and the third time-domain resource; the third time-domain offset value is the offset value in the time domain between a fifth time-domain resource and the third time-domain resource, the fifth time-domain resource is located after the second time-domain resource and before the third time-domain resource in the time domain, and the offset value between the fifth time-domain resource and the second time-domain resource, and / or the offset value between the fifth time-domain resource and the first time-domain resource is predefined or configured by signaling.

6. The method according to any one of claims 2 to 3, characterized in that, There is a corresponding relationship between the first signal and the time-domain offset value, and the time-domain offset value is used for the terminal device to determine the third time-domain resource.

7. The method according to any one of claims 1 to 3, characterized in that, The method further includes: receiving trigger information for instructing the terminal device to determine whether to detect the DCI according to the indication information.

8. A method for resource request, characterized in that including: Receive a resource request from a terminal device on a first time-domain resource, where the resource request is used to request a data transmission resource for the terminal device to send uplink data or sidelink data; Send indication information to the terminal device on a second time-domain resource, where the indication information is used to indicate a third time-domain resource carrying downlink control information (DCI) for scheduling the data transmission resource, or The indication information is used to indicate a fourth time-domain resource on which no DCI for scheduling the data transmission resource is carried; Wherein, the indication information includes a time-domain offset value used to indicate the time-domain position of the third time-domain resource, or the indication information includes the time-domain position of the third time-domain resource; The indication information is included in a first piece of information used to trigger the terminal device to enable or disable the control information detection function in the discontinuous reception (DRX) state, and / or the first piece of information is used to trigger the terminal device to stop or not stop detecting control information in the DRX state; 9. The method according to claim 8, wherein The indication information is carried by a first signal, or The indication information is transmitted through a control channel; 10. The method according to claim 9, wherein The sending of the indication information to the terminal device on the second time-domain resource includes: On the second time-domain resource, send a control channel to the terminal device by using at least one of the following methods; Send the control channel to the terminal device at a candidate transmission position corresponding to a first aggregation level (AL); Send the control channel to the terminal device by using a first DCI format; Send the control channel to the terminal device on the time-frequency resources of a first control resource set; Send the control channel to the terminal device on a first search space; Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling; 11. The method according to any one of claims 8 to 10, characterized in that The method further includes: Determine the second time-domain resource according to the first time-domain resource and an offset value, where the offset value is predefined or configured by signaling; 12. The method according to any one of claims 8 to 10, characterized in that, The time-domain offset value includes: At least one of a first time-domain offset value, a second time-domain offset value, and a third time-domain offset value, The first time-domain offset value is the time-domain offset value between the first time-domain resource and the third time-domain resource; The second time-domain offset value is the time-domain offset value between the second time-domain resource and the third time-domain resource; The third time-domain offset value is the time-domain offset value between a fifth time-domain resource and the third time-domain resource. The fifth time-domain resource is located after the second time-domain resource and before the third time-domain resource in the time domain. The offset value between the fifth time-domain resource and the second time-domain resource, and / or the offset value between the fifth time-domain resource and the first time-domain resource is predefined or configured by signaling; 13. The method according to any one of claims 9 to 10, characterized in that, There is a corresponding relationship between the first signal and the time-domain offset value, and the time-domain offset value is used for the terminal device to determine the third time-domain resource.

14. The method according to any one of claims 8 to 10, characterized in that, The method further includes: Sending trigger information to the terminal device, where the trigger information is used to instruct the terminal device to determine whether to detect the DCI according to the indication information.

15. A communication device, characterized in that, Including: A transceiver unit, configured to send a resource request on a first time-domain resource, where the resource request is used to request data transmission resources, and the data transmission resources are used for the communication device to send uplink data or sidelink data; The transceiver unit is further configured to receive indication information on a second time-domain resource, where the indication information is used to instruct the communication device to detect downlink control information DCI on a third time-domain resource, and the DCI is used to respond to the resource request, or The indication information is used to instruct the communication device not to detect downlink control information DCI on a third time-domain resource, and the DCI is used to respond to the resource request; Wherein, the indication information includes a time-domain offset value, and the time-domain offset value is used to indicate the time-domain position of the third time-domain resource, or the indication information includes the time-domain position of the third time-domain resource; The indication information is included in first information, and the first information is used to trigger the communication device to enable or not enable the control information detection function in the discontinuous reception DRX state, and / or, the first information is used to trigger the communication device to stop or not stop detecting the control information in the discontinuous reception DRX state.

16. The device according to claim 15, characterized in that, The indication information is carried by a first signal, or The indication information is transmitted through a control channel.

17. The device according to claim 16, wherein: The transceiver unit is further configured to detect the control channel on the second time-domain resource by using at least one of the following methods: Detecting the control channel at a candidate detection position corresponding to a first aggregation level AL; Detecting the control channel by using a first DCI format; Detecting the control channel on the time-frequency resources of a first control resource set; Detecting the control channel on a first search space; Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling.

18. The device according to any one of claims 15 to 17, characterized in that The device further includes: a processing unit, The processing unit is configured to determine the second time-domain resource according to the first time-domain resource and an offset value, and the offset value is predefined or configured by signaling.

19. The device according to any one of claims 15 to 17, characterized in that, The time-domain offset value includes: At least one of a first time-domain offset value, a second time-domain offset value, and a third time-domain offset value, The first time-domain offset value is the time-domain offset value between the first time-domain resource and the third time-domain resource; The second time-domain offset value is the time-domain offset value between the second time-domain resource and the third time-domain resource; The third time-domain offset value is the time-domain offset value between the fifth time-domain resource and the third time-domain resource. The fifth time-domain resource is located after the second time-domain resource and before the third time-domain resource in the time domain. The offset value between the fifth time-domain resource and the second time-domain resource, and / or the offset value between the fifth time-domain resource and the first time-domain resource is predefined or configured by signaling.

20. The device according to any one of claims 16 to 17, characterized in that, There is a corresponding relationship between the first signal and the time-domain offset value, and the time-domain offset value is used for the communication device to determine the third time-domain resource.

21. The device according to any one of claims 15 to 17, wherein The transceiver unit is further configured to receive trigger information, and the trigger information is used to instruct the communication device to determine whether to detect the DCI according to the indication information.

22. A communication device, characterized in that, Comprising: A transceiver unit, configured to receive a resource request from a terminal device on a first time-domain resource, where the resource request is used to request a data transmission resource, and the data transmission resource is used for the terminal device to send uplink data or sidelink data; The transceiver unit is further configured to send indication information to the terminal device on a second time-domain resource, where the indication information is used to indicate a third time-domain resource carrying downlink control information DCI, and the downlink control information DCI is used to schedule the data transmission resource, or The indication information is used to indicate a fourth time-domain resource, and no downlink control information DCI for scheduling the data transmission resource is carried on the fourth time-domain resource; Wherein, the indication information includes a time-domain offset value, and the time-domain offset value is used to indicate the time-domain position of the third time-domain resource, or the indication information includes the time-domain position of the third time-domain resource; The indication information is included in the first information, and the first information is used to trigger the terminal device to enable or disable the control information detection function in the discontinuous reception DRX state, and / or, the first information is used to trigger the terminal device to stop or not stop detecting the control information in the discontinuous reception DRX state.

23. The device according to claim 22, wherein, The indication information is carried by a first signal, or The indication information is transmitted through a control channel.

24. The device according to claim 23, wherein The transceiver unit is further configured to send a control channel to the terminal device on the second time-domain resource by using at least one of the following methods; Sending the control channel to the terminal device at a candidate transmission position corresponding to a first aggregation level AL; Sending the control channel to the terminal device by using a first DCI format; Sending the control channel to the terminal device on the time-frequency resources of a first control resource set; Sending the control channel to the terminal device on a first search space; Wherein, at least one of the first AL, the first DCI format, the first control resource set, and the first search space is predefined or configured by signaling.

25. The device according to any one of claims 22 to 24, characterized in that, The device further includes a processing unit, The processing unit is configured to determine the second time-domain resource according to the first time-domain resource and the offset value, where the offset value is predefined or configured by signaling.

26. The device according to any one of claims 22 to 24, characterized in that, The time-domain offset value includes: at least one of a first time-domain offset value, a second time-domain offset value, and a third time-domain offset value, where the first time-domain offset value is the offset value in the time domain between the first time-domain resource and the third time-domain resource; the second time-domain offset value is the offset value in the time domain between the second time-domain resource and the third time-domain resource; the third time-domain offset value is the offset value in the time domain between the fifth time-domain resource and the third time-domain resource, where the fifth time-domain resource is located after the second time-domain resource and before the third time-domain resource in the time domain, and the offset value between the fifth time-domain resource and the second time-domain resource, and / or the offset value between the fifth time-domain resource and the first time-domain resource is predefined or configured by signaling.

27. The device according to any one of claims 23 to 24, characterized in that, There is a corresponding relationship between the first signal and the time-domain offset value, and the time-domain offset value is used by the terminal device to determine the third time-domain resource.

28. The apparatus according to any one of claims 22 to 24, characterized in that the transceiver unit is further configured to send trigger information to the terminal device, where the trigger information is used to instruct the terminal device to determine whether to detect the DCI according to the indication information.

29. A communication device, characterized in that, The apparatus includes at least one processor, and the at least one processor is coupled to at least one memory: The at least one processor is configured to execute computer programs or instructions stored in the at least one memory, so that the apparatus executes the method according to any one of claims 1 to 7, or the method according to any one of claims 8 to 14.

30. A computer-readable storage medium, characterized in that, Computer programs or instructions are stored in the computer-readable storage medium, and when the computer reads and executes the computer programs or instructions, the computer executes the method according to any one of claims 1 to 7, or the method according to any one of claims 8 to 14.

31. A chip, characterized in that, including: a processor, configured to call and run a computer program from a memory, so that a communication device installed with the chip executes the method according to any one of claims 1 to 7, or the method according to any one of claims 8 to 14.

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