Communication method, terminal equipment and network equipment

Abstract

The invention provides a communication method, terminal equipment and network equipment. The communication method comprises the following steps: the terminal equipment receives a DCI format; wherein the DCI format comprises a first information domain and a second information domain, and under the condition that the DCI format is used for scheduling a first physical channel, the first information domain is used for indicating physical resources occupied by the first physical channel; under the condition that the DCI format is used for activating the second physical channel, the first information domain and the second information domain are used for indicating physical resources occupied by the second physical channel. Under the condition that the DCI format is used for scheduling the first physical channel, the number of bits used for indicating the occupation condition of the physical resources of the first physical channel in the DCI format is small. Therefore, the DCI format for scheduling the first physical channel can be free of redundant bits or has few redundant bits, so that the problem that the transmission efficiency is reduced can be avoided.

Description

Communication method, terminal device, and network device Technical Field

[0001] The present application relates to the field of communication technology, and more specifically, to a communication method, a terminal device, and a network device. Background Art

[0002] In dynamic scheduling, the downlink control information (DCI) format can be used to schedule the first physical channel. In semi-persistent scheduling, the DCI format can be used to activate the second physical channel. The first information field in the DCI format can be used to indicate the physical resource occupancy of the first physical channel or the second physical channel. With the development of technology, the physical resource occupation of the second physical channel can be more diversified, that is, the alternative physical resources can be more diverse. Therefore, in some cases, the physical resources occupied by the second physical channel will require more bits to indicate compared with the first physical channel. If the number of bits in the first information field is increased, some bits in the first information field will not be used when scheduling the first physical channel, which will result in redundancy in the DCI format and thus reduce transmission efficiency.

[0003] Summary of the Invention

[0004] The present application provides a communication method, a terminal device, and a network device. The following introduces various aspects of the present application.

[0005] In a first aspect, a communication method is provided, including: a terminal device receives a DCI format; wherein the DCI format includes a first information field and a second information field, and when the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

[0006] In a second aspect, a communication method is provided, including: a network device sends a DCI format; wherein the DCI format includes a first information field and a second information field, and when the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

[0007] In a third aspect, a terminal device is provided, including: a receiving unit for receiving a DCI format; wherein the DCI format includes a first information field and a second information field, and when the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

[0008] In a fourth aspect, a network device is provided, including: a sending unit, used to send downlink control information DCI format; wherein, the DCI format includes a first information field and a second information field, and when the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

[0009] In a fifth aspect, a terminal device is provided, comprising a processor and a memory, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer program in the memory so that the terminal device executes part or all of the steps in the method of the first aspect.

[0010] In a sixth aspect, a network device is provided, comprising a processor and a memory, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer program in the memory so that the network device executes part or all of the steps in the method of the second aspect.

[0011] In a seventh aspect, an embodiment of the present application provides a communication system, which includes the above-mentioned terminal device and / or network device. In another possible design, the system may also include other devices that interact with the terminal device or network device in the solution provided in the embodiment of the present application.

[0012] In an eighth aspect, an embodiment of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and the computer program enables a terminal to execute part or all of the steps in the methods of the above aspects.

[0013] In a ninth aspect, embodiments of the present application provide a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, wherein the computer program is operable to cause a terminal to perform some or all of the steps of the methods described in each of the above aspects. In some implementations, the computer program product may be a software installation package.

[0014] In the tenth aspect, an embodiment of the present application provides a chip, which includes a memory and a processor. The processor can call and run a computer program from the memory to implement some or all of the steps described in the methods of the above aspects.

[0015] When a DCI format is used to schedule a first physical channel, the number of bits used in the DCI format to indicate the occupancy of the physical resources of the first physical channel is relatively small. Therefore, the DCI format used to schedule the first physical channel can have no redundant bits or relatively few redundant bits, thus avoiding the problem of reduced transmission efficiency. In addition, when a DCI format is used to activate a second physical channel, the number of bits used in the DCI format to indicate the occupancy of the physical resources of the second physical channel is relatively large. Therefore, the DCI format can be used to activate the second physical channel with greater flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] FIG1 is a schematic diagram of a wireless communication system used in an embodiment of the present application.

[0017] FIG2 is a schematic flowchart of a communication method provided in an embodiment of the present application.

[0018] FIG3 is a schematic structural diagram of a terminal device provided in an embodiment of the present application.

[0019] FIG4 is a schematic structural diagram of a network device provided in an embodiment of the present application.

[0020] FIG5 is a schematic structural diagram of a communication device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0021] The technical solution in this application will be described below with reference to the accompanying drawings.

[0022] Figure 1 illustrates a wireless communication system 100 used in an embodiment of the present application. The wireless communication system 100 may include a network device 110 and a terminal device 120. The network device 110 may be a device that communicates with the terminal device 120. The network device 110 may provide communication coverage for a specific geographic area and may communicate with the terminal device 120 within the coverage area.

[0023] FIG1 exemplarily shows a network device and two terminals. Optionally, the wireless communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within its coverage area, which is not limited in the embodiments of the present application.

[0024] Optionally, the wireless communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiment of the present application.

[0025] It should be understood that the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: fifth generation (5G) system or new radio (NR), long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD), etc. The technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system, satellite communication system, etc.

[0026] The terminal device in the embodiments of the present application may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device. The terminal device in the embodiments of the present application may refer to a device that provides voice and / or data connectivity to a user and can be used to connect people, objects and machines, such as a handheld device with wireless connection function, a vehicle-mounted device, etc. The terminal device in the embodiments of the present application can be a mobile phone, a tablet computer, a laptop computer, a PDA, a mobile internet device (MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, etc. Optionally, the UE can be used to act as a base station. For example, the UE can act as a scheduling entity that provides sidelink signals between UEs in vehicle-to-everything (V2X) or device-to-device (D2D). For example, a cellular phone and a car communicate with each other using sidelink signals. The cellular phone and smart home devices communicate without relaying the communication signal through a base station.

[0027] The network device in the embodiments of the present application may be a device for communicating with a terminal device, and may also be referred to as an access network device or a radio access network device. For example, the network device may be a base station. The network device in the embodiments of the present application may refer to a radio access network (RAN) node (or device) that connects a terminal device to a wireless network. A base station may broadly cover various names as follows, or be replaced with the following names, such as: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmitting and receiving point (TRP), transmitting point (TP), master eNB (MeNB), secondary eNB (SeNB), multi-standard radio (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. A base station may be a macro base station, a micro base station, a relay node, a donor node, or the like, or a combination thereof. A base station may also refer to a communication module, modem, or chip used to be set in the aforementioned device or apparatus. A base station may also be a mobile switching center and a device that performs base station functions in D2D, V2X, and machine-to-machine (M2M) communications, a network-side device in a 6G network, or a device that performs base station functions in future communication systems. A base station may support networks with the same or different access technologies. The embodiments of this application do not limit the specific technology and specific device form adopted by the network equipment.

[0028] Base stations can be fixed or mobile. For example, a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move based on the location of the mobile base station. In other examples, a helicopter or drone can be configured to act as a device that communicates with another base station.

[0029] In some deployments, the network device in the embodiments of the present application may refer to a CU or a DU, or the network device may include a CU and a DU. The gNB may also include an AAU.

[0030] The network equipment and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed in the air on aircraft, balloons, and satellites. The embodiments of this application do not limit the scenarios in which the network equipment and terminal devices are located.

[0031] It should be understood that all or part of the functions of the communication device in this application can also be implemented through software functions running on hardware, or through virtualization functions instantiated on a platform (such as a cloud platform).

[0032] During communication, physical resources need to be allocated for some physical channels. These physical channels may be, for example, the physical uplink shared channel (PUSCH) and the physical downlink shared channel (PDSCH). Physical resources may include, for example, time domain resources and / or frequency domain resources. The following uses the PUSCH time domain resource allocation as an example for explanation.

[0033] PUSCH resource allocation is related to the PUSCH scheduling mode. PUSCH scheduling modes can include dynamic scheduling and semi-persistent scheduling. The following describes the PUSCH time domain resource allocation under these two scheduling modes.

[0034] For dynamically scheduled PUSCH, the time domain resource assignment (TDRA) field in the DCI format (format 0_0 / 0_1 / 0_2) can be used to indicate the time domain resources occupied by the PUSCH. A terminal device can receive a DCI format and read the TDRA field therein to determine the time domain resources occupied by the dynamically scheduled PUSCH.

[0035] The value m of the TDRA information field may correspond to the m+1th row in a preconfigured allocation table. This row includes the scheduled PUSCH time slot offset K2, the starting symbol S within the time slot, and the time domain length L. The time domain resources occupied by the scheduled PUSCH can be determined based on K2, S, and L. It should be noted that S and L can be indicated directly or calculated using the start and length indicator (SLIV). For example, if (L-1) ≤ 7, SLIV = 14·(L-1)+S; otherwise, SLIV = 14·(14-L+1)+(14-1-S); where 0 < L ≤ 14-S.

[0036] In some communication protocols (e.g., protocols prior to NR R17), a DCI format can schedule only one PUSCH transmission in a single-slot. That is, each row in the pre-configured resource allocation table can be used to determine the time domain information for a PUSCH transmitted in a single slot. The pre-configured resource allocation table can contain up to 16 rows. Therefore, the TDRA information field in the DCI can occupy a maximum of 4 bits.

[0037] In some communication protocols (such as the NR R17 protocol), a DCI format can schedule PUSCH transmissions in multiple time slots. Specifically, in the preconfigured resource allocation table, each row is extended to include multiple sets of K2 and SLIV information, and each set of K2 and SLIV determines the PUSCH transmitted in a time slot. A DCI can schedule transmissions in up to 8 time slots at the same time. The preconfigured resource allocation table includes a maximum of 64 rows. Therefore, the TDRA information field in the DCI can occupy 5 or 6 bits.

[0038] Semi-persistent scheduling can also be called configured grant Type 2 PUSCH transmission. In semi-persistent scheduling, radio resource control (RRC) signaling can pre-configure some transmission parameters. The DCI format can be used to activate PUSCH. For example, a network device can configure one or more sets of configured grants (CG) through RRC signaling. The DCI format can be used to activate one of one or more sets of CGs. After the set of CGs is activated, the terminal device can periodically send PUSCH according to the configuration information of the CG.

[0039] When the DCI format is used to activate PUSCH, some information fields in the DCI signaling have special settings. Table 1 shows the special information field settings in the DCI signaling for activating one CG transmission when the terminal device is configured with only one CG. Table 2 shows the special information field settings in the DCI signaling for activating one CG transmission when the terminal device is configured with multiple CGs.

[0040] Table 1

[0041]

[0042] Table 2

[0043]

[0044] It can be seen from Table 1 and Table 2 that when the DCI format is used to activate PUSCH, one or more items of the hybrid automatic repeat request (HARQ) process number information field and the redundancy version (RV) information field are unused.

[0045] The DCI format used to activate the PUSCH must meet the following conditions: 1) the cyclic redundancy check (CRC) of a corresponding DCI format is scrambled with a CS-RNTI provided by cs-RNTI or a G-CS-RNTI provided by g-cs-RNTI; 2) the new data indicator (NDI) field in the DCI format for the enabled transport block is set to '0'; 3) the deep flow inspection (DFI) flag field, if present, in the DCI format is set to 0. DCI format is set to '0'); 4) the time domain resource assignment field in the DCI format indicates a row with a single SLIV;5) If the DCI format validation is for scheduling activation and if the PDSCH-to-HARQ_feedback timing indicator field in the DCI format is present, the PDSCH-to-HARQ_feedback timing indicator field does not provide an inapplicable value from dl-DataToUL-ACK-r16.

[0046] It can be seen from condition 3) that the DCI format for activating PUSCH needs to meet that, in semi-persistent scheduling, only one DCI is supported to schedule the transmission of PUSCH in one time slot.

[0047] With technological advancements, semi-persistent scheduling, which only supports PUSCH transmission per DCI scheduling slot, is no longer able to meet communication needs. For example, at the 3GPP RAN#88e meeting, a research project titled "eXtended Reality (XR) and cloud gaming (CG) evaluations for NR" was approved. This project addresses XR-related services such as augmented reality (AR), virtual reality (VR), and CG. A key XR / CG service is video streaming, whose arrival rates (measured in frames per second) can be 30, 60, 90, or 120 fps. The corresponding video stream periods are {33.33ms, 16.67ms, 11.11ms, and 8.33ms}.

[0048] Another feature of XR is the large amount of data transmitted in a single transmission. Taking uplink AR / VR as an example, its data rate is 10Mbps, and the average size of a data packet is 20833 bytes. In actual communication systems, resources in multiple time slots are required to transmit such a data packet. Therefore, the R18XR research proposed to enhance CG transmission, that is, multiple PUSCH transmissions can be performed within a cycle. One way to achieve this is to configure time domain resources for multiple PUSCH transmission occasions for a set of CGs. For example, a set of CGs can be configured with time domain resources for multiple PUSCH transmission time slots.

[0049] In order to achieve the enhancement of CG transmission, one possible implementation method is to use the multi-slot TDRA information field in the DCI signaling for CG activation to configure multiple PUSCH transmission opportunities for a set of CGs. However, this may cause a waste of DCI resources. Specifically, in actual systems, DCI is widely used in dynamic scheduling, and the probability of CG activation is very low. If single-slot TDRA is used when DCI is used for dynamic scheduling, the TDRA information field only requires a maximum of 4 bits. In order to meet the requirements of the TDRA field in the CG activation signaling (such as 5 or 6 bits), one way is to increase the number of TDRA bits, which will increase the redundancy of DCI in the system and reduce transmission efficiency. Alternatively, in order to keep the DCI overhead low, the number of rows that the multi-slot TDRA information field can indicate can be compressed, but this will also reduce the flexibility of CG allocation.

[0050] The physical channel that indicates the physical resource occupancy status through the DCI format also has the above-mentioned PUSCH problem. Specifically, in dynamic scheduling, the DCI format can be used to schedule the first physical channel. In semi-persistent scheduling, the DCI format can be used to activate the second physical channel. The first information field in the DCI format can be used to indicate the physical resource occupancy status of the first physical channel or the second physical channel. The situation in which the second physical channel occupies physical resources can be more diverse, that is, the alternative physical resources can be more diverse. Therefore, in some cases (for example, to achieve a certain flexibility), the physical resources occupied by the second physical channel will require more bits to indicate compared with the first physical channel. If the number of bits in the first information field is increased, some bits in the first information field will not be used when scheduling the first physical channel, which will result in redundancy in the DCI format and thus reduce transmission efficiency.

[0051] FIG2 is a schematic flow chart of a communication method provided by an embodiment of the present application to solve the above-mentioned problem. The method shown in FIG2 can be implemented by a terminal device and a network device. The method shown in FIG2 can include step S210.

[0052] In step S210, the terminal device receives the DCI format. Correspondingly, the network device sends the DCI format. In some embodiments, step S110 may also be the terminal device receiving the DCI, or the network device sending the DCI.

[0053] The DCI format may include a first information field and a second information field. The length of the first information field may be N bits, and the length of the second information field may be M bits. Wherein, N and M are both positive integers. When the DCI format is used to schedule the first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate the second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel. In other words, when the DCI format is used to schedule the first physical channel, the N-bit indication result is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate the second physical channel, the N-bit and M-bit indication results are used to indicate the physical resources occupied by the second physical channel.

[0054] Based on the present application, the physical resources occupied by the first physical channel can be indicated only by the first information field, and the physical resources occupied by the second physical channel can be indicated jointly by the first information field and the second information field. Therefore, compared with the case where the DCI format is used to schedule the first physical channel, when the DCI format is used to activate the second physical channel, the number of bits that can be used to indicate the physical resources occupied by the physical channel in the DCI format is greater. For example, the first information field can be used to indicate that the physical resources occupied by the first physical channel are at most 2 N The second information field can be used to indicate that the physical resources occupied by the second physical channel are at most 2 N+M One of the alternative physical resources. When the DCI format is used to indicate the physical resources occupied by the first physical channel, the number of bits used to indicate the physical resources is smaller. Therefore, the transmission efficiency of the DCI format scheduling the first physical channel can be improved. In addition, when the DCI format is used to indicate the physical resources occupied by the second physical channel, the number of bits used to indicate the physical resources is larger. Therefore, the present application can make the DCI format activation of the second physical channel more flexible.

[0055] In some embodiments, the first information field may include a TDRA information field. When the DCI format is used to schedule the first physical channel, the N-bit TDRA information field can indicate the time domain resource occupancy of the first physical channel. When the DCI format is used to activate the second physical channel, the N-bit TDRA information field and the M-bit second information field can be combined to indicate the time domain resource occupancy of the second physical channel. In this embodiment, there is no need to expand the number of bits of the TDRA information field to enable the DCI format to indicate the time domain resources occupied by the second physical channel among more alternative time domain resources.

[0056] In some embodiments, the first information field may include other information fields in the DCI format. For example, the first information field may include a frequency domain resource assignment (FDRA) information field. When the first information field is the FDRA information field, the indication result of the N-bit FDRA information field may be used to indicate the time domain resources occupied by the first physical channel, and the indication results of the N-bit and M-bit bits may be used to indicate the time domain resources occupied by the second physical channel.

[0057] The second information field may be an existing information field in the DCI format. For example, when the DCI format is used to activate the second physical channel, the unused information field in the DCI format may belong to the second information field. As an implementation method, the second information field may include an RV information field and / or a HARQ process number information field. As described above, when the terminal device is configured with a set of CGs, the RV information field and the HARQ process number information field in the DCI format are not used. In this case, the second information field may include at least one of the RV information field and the HARQ process number information field. When the terminal device is configured with multiple sets of CGs, the RV information field in the DCI format is not used. In this case, the second information field may include the RV information field.

[0058] The present application utilizes the unused information fields in the DCI format to indicate the physical resources occupied by the second physical channel. Therefore, the present application can fully utilize the existing information fields in the DCI format and avoid redundancy caused by adding or expanding the information fields in the DCI format.

[0059] The first physical channel may be a dynamically scheduled physical channel, and the second physical channel may be a semi-persistently scheduled physical channel. For example, the first physical channel may be a dynamically scheduled PUSCH, and the second physical channel may be a semi-persistently scheduled PUSCH. Alternatively, the first physical channel may be a dynamically scheduled PDSCH, and the second physical channel may be a semi-persistently scheduled PDSCH.

[0060] It should be noted that, when the DCI format is used to schedule the first physical channel, the DCI format may satisfy the condition that the DCI format is used to dynamically schedule the physical channel. For example, the DCI format may be scrambled using a cell radio network temporary identity (C-RNTI). When the DCI format is used to activate the second physical channel, the DCI format may satisfy the condition that the DCI format is used to activate a semi-persistently scheduled physical channel. For example, the DCI format is scrambled using CS-RNTI, and the NDI information field of the DCI format may be 0.

[0061] The physical resources occupied by the first physical channel or the second physical channel may be part or all of the candidate physical resources. The candidate physical resources may constitute a resource allocation table. For example, the resources occupied by the first physical channel may be one of A candidate physical resources, and the A candidate physical resources may constitute a first resource allocation table; the physical resources occupied by the second physical channel may be one of B candidate physical resources, and the B candidate physical resources may constitute a second resource allocation table. A and B may both be positive integers.

[0062] Taking the candidate physical resources as time domain resources as an example, a candidate physical resource can be determined by one or more of the following information: time slot offset K2 information, start symbol S information within the time slot, time domain length L information, SLIV information, etc. In some embodiments, each row of the first resource allocation table or the second resource allocation table can represent a candidate physical resource, and each row can include one or more of the following information: K2, S, L, SLIV, etc.

[0063] In some embodiments, the physical resources occupied by the first physical channel are included in the preconfigured A physical resources, and the first information field (length N bits) can be used to indicate the physical resources occupied by the first physical channel in the preconfigured A physical resources. Wherein A is a positive integer, and N can be greater than or equal to Taking A=8 as an example, the first information field can be used to indicate the physical resources occupied by the first physical channel among the pre-configured 8 physical resources. That is, N is an integer greater than or equal to 3. In other words, the length of the first information field is greater than or equal to 3 bits.

[0064] The N-bit indication result can be the value n of the first information field. In other words, the value of the first information field can be used to indicate the physical resources occupied by the first physical channel, or the value n of the first information field can be used to indicate the physical resources of the first physical channel. For example, n can correspond to a row in a preconfigured first resource allocation table. As an implementation, n can correspond to row n+1 in the first resource allocation table. As another implementation, n can correspond to a row in the first resource allocation table with an index corresponding to n.

[0065] In some embodiments, when the first information field and the second information field (length M bits) are used to indicate the physical resources occupied by the second physical channel, some or all of the M bits may be used to indicate the physical resources occupied by the second physical channel. Part or all of the bits may be represented by Q bits, where Q is a positive integer less than or equal to M.

[0066] The Q bit among the N bits and the M bits is used to indicate the physical resources occupied by the second physical channel, and the physical resources occupied by the second physical channel are included in the preconfigured B time domain resources. That is, the indication result of the N bit and the Q bit can be used to indicate the physical resources occupied by the second physical channel among the B preconfigured physical resources. In this case, N+Q can be greater than or equal to Taking B=16 as an example, the indication result of the N bit and the Q bit can be used to indicate the physical resources occupied by the second physical channel in the pre-configured 16 physical resources. That is, N+Q is an integer greater than or equal to 4. For example, N may be 3, and Q may be 1.

[0067] The Q bit can be Q consecutive bits in the M bit. The present application does not limit the specific position of the Q bit in the M bit. For example, the Q bit can be the first Q bit or the last Q bit of the M bit. Taking Q=2 and M=3 as an example, the Q bit can be the first and second bits in the M bit, or the Q bit can be the second and third bits in the M bit. The terminal device and the network device determine the specific position of the Q bit in the M bit before they can accurately determine the physical resources indicated by the N bit and the Q bit, thereby achieving accurate transmission. The position of the Q bit in the M bit can be determined by one or more of the following methods: pre-configuration, preset value, and protocol provisions.

[0068] The Q bit and the N bit may constitute a first bit sequence. The indication result of the first bit sequence may be used to indicate the physical resources occupied by the second physical channel. The Q bit may be located in the upper order of the first bit sequence, and the N bit may be located in the lower order of the first bit sequence. Alternatively, the Q bit may be located in the lower order of the first bit sequence, and the N bit may be located in the upper order of the first bit sequence.

[0069] The N-bit and M-bit indication result may be the value q of the first bit sequence. The value q of the first bit sequence may be used to indicate the physical resources occupied by the second physical channel. For example, q may correspond to a row in a preconfigured second resource allocation table. The second resource allocation table may include one or more physical resources that are candidates for the second physical channel. For example, q may correspond to row q+1 in the second resource allocation table. Alternatively, q may correspond to a row in the second resource allocation table corresponding to index q.

[0070] It should be noted that the DCI format can be format 0_0, 0_1 or 0_2.

[0071] It should be noted that the technical solution provided in this application can be applied not only to the CG / XR field, but also to other communication scenarios.

[0072] The present application is described in detail below through Example 1 and Example 2.

[0073] Example 1

[0074] For dynamically scheduled PUSCH, the network device can pre-configure a first resource allocation table including 16 candidate time domain resources, as shown in Table 3. For semi-persistently scheduled PUSCH, the network device pre-configures a second resource allocation table including 64 candidate time domain resources, as shown in Table 4. The TDRA information field in DCI format 0_1 ​​is 4 bits, and the RV information field is 2 bits.

[0075] The terminal device can receive DCI format 0_1. If it is determined that the DCI format 0_1 ​​is used to schedule dynamically scheduled PUSCH, the terminal device can determine one from 16 alternative time domain resources based on the index indicated by the TDRA information field and Table 3. If it is determined that the DCI format 0_1 ​​is used to activate semi-persistent PUSCH transmission, the terminal device can determine one from 64 alternative time domain resources based on Table 4 according to the index indicated by the 6-bit information consisting of the TDRA information field and the RV information. Among them, the RV bit can also be set to a high position, and the TDRA bit can be set to a low position.

[0076] Table 3

[0077] TDRA information domain alternative time domain resource 0000 first alternative time domain resource 0001 second alternative time domain resource ............ 1111 sixteenth alternative time domain resource

[0078] Table 4

[0079] RV information field TDRA information field alternative time resources

[0080] 000000 The first alternative time domain resource 000001 The second alternative time domain resource ……………… 001111 The sixteenth alternative time domain resource 010000 The seventeenth alternative time domain resource ……………… 011111 The thirty-second alternative time domain resource 100000 The thirty-third alternative time domain resource ……………… 101111 The forty-eighth alternative time domain resource 110000 The forty-ninth alternative time domain resource ……………… 111111 The sixty-fourth alternative time domain resource

[0081] Example 2

[0082] For dynamically scheduled PUSCH, the network device pre-configures a first resource allocation table containing eight candidate time domain resources, as shown in Table 5. For semi-persistently scheduled PUSCH, the network device pre-configures a second resource allocation table containing 16 candidate time domain resources. The TDRA information field in DCI format 0_1 ​​is 3 bits, and the RV information field is 2 bits.

[0083] The terminal device can receive DCI format 0_1. If it is determined that the DCI format 0_1 ​​is used to schedule dynamically scheduled PUSCH, the terminal device can determine one from the 8 alternative time domain resources based on Table 5 according to the index indicated by the TDRA information field. If it is determined that the DCI format 0_1 ​​is used to activate semi-persistent PUSCH transmission, the terminal device can determine one from the 16 alternative time domain resources based on Table 6 according to the index indicated by the 4-bit information consisting of 3 bits in the TDRA information field and 1 bit in the RV information. In Table 6, the 1 bit in the RV information field is the lowest bit. In other embodiments, the bit used by the RV information field to indicate the time domain resource may be the highest bit.

[0084] Table 5

[0085] TDRA information domain alternative time domain resource 000 first alternative time domain resource 001 second alternative time domain resource ............ 111 eighth alternative time domain resource

[0086] Table 6

[0087] RV domain TDRA information domain alternative time domain resource X0000 first alternative time domain resource X0001 second alternative time domain resource ………………X0111 eighth alternative time domain resource X1000 ninth alternative time domain resource ………………X1111 sixteenth alternative time domain resource

[0088] It should be noted that Tables 3 to 6 are only examples, and the first resource allocation table or the second resource allocation table can be flexibly set according to the situation.

[0089] The method embodiment of the present application is described in detail above. The following device embodiment of the present application is described in detail in conjunction with Figures 3 to 5. It should be understood that the description of the method embodiment corresponds to the description of the device embodiment. Therefore, for parts not described in detail, reference can be made to the above method embodiment.

[0090] FIG3 is a schematic structural diagram of a terminal device 300 provided in an embodiment of the present application. The terminal device 300 includes a receiving unit 310 .

[0091] The receiving unit 310 is used to receive a DCI format; wherein the DCI format includes a first information field and a second information field. When the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

[0092] Optionally, the first information field includes a TDRA information field or a FDRA information field.

[0093] Optionally, the second information field includes a redundant version information field and / or a HARQ process number information field.

[0094] Optionally, the first physical channel is a dynamically scheduled PUSCH, and the second physical channel is a semi-persistently scheduled PUSCH; or, the first physical channel is a dynamically scheduled PDSCH, and the second physical channel is a semi-persistently scheduled PDSCH.

[0095] Optionally, the length of the first information field is N bits, and the physical resources occupied by the first physical channel are included in the preconfigured A physical resources, where N is greater than or equal to N and A are both positive integers.

[0096] Optionally, the length of the first information field is N bits, the length of the second information field is M bits, the N bits and the Q bit of the M bits are used to indicate the physical resources occupied by the second physical channel, and the physical resources occupied by the second physical channel are included in the preconfigured B time domain resources, wherein N+Q is greater than or equal to Q is less than or equal to M, and M, N, Q, and B are all positive integers.

[0097] Optionally, the Q bit is the first Q bit or the last Q bit of the M bits.

[0098] Optionally, the Q bit and the N bit form a first bit sequence, the Q bit is located at a high bit of the first bit sequence, and the N bit is located at a low bit of the first bit sequence.

[0099] Optionally, when the DCI format is used to schedule the first physical channel, the DCI format is scrambled using C-RNTI.

[0100] Optionally, when the DCI format is used to activate the second physical channel, the DCI format is scrambled using CS-RNTI, and the NDI information field of the DCI format is set to 0.

[0101] In an optional embodiment, the receiving unit 310 may be a transceiver 540. The terminal device 300 may further include a transceiver 530, a processor 510, and a memory 520, as specifically shown in FIG5 .

[0102] FIG4 is a schematic structural diagram of a network device 400 according to an embodiment of the present application. The network device 400 may include a sending unit 410 .

[0103] The sending unit 410 is used to send a DCI format; wherein the DCI format includes a first information field and a second information field. When the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

[0104] Optionally, the first information field includes a time domain resource allocation TDRA information field or a FDRA frequency domain resource allocation information field.

[0105] Optionally, the second information field includes a redundant version information field and / or a HARQ process number information field.

[0106] Optionally, the first physical channel is a dynamically scheduled PUSCH, and the second physical channel is a semi-persistently scheduled PUSCH; or, the first physical channel is a dynamically scheduled PDSCH, and the second physical channel is a semi-persistently scheduled PDSCH.

[0107] Optionally, the length of the first information field is N bits, and the physical resources occupied by the first physical channel are included in the preconfigured A physical resources, where N is greater than or equal to N and A are both positive integers.

[0108] Optionally, the M bits include Q bits, the length of the first information field is N bits, the length of the second information field is M bits, the N bits and the Q bit in the M bits are used to indicate the physical resources occupied by the second physical channel, and the physical resources occupied by the second physical channel are included in the preconfigured B time domain resources, wherein N+Q is greater than or equal to Q is less than or equal to M, and M, N, Q, and B are all positive integers.

[0109] Optionally, the Q bit is the first Q bit or the last Q bit of the M bits.

[0110] Optionally, the Q bit and the N bit form a first bit sequence, the Q bit is located at a high bit of the first bit sequence, and the N bit is located at a low bit of the first bit sequence.

[0111] Optionally, when the DCI format is used to schedule the first physical channel, the DCI format is scrambled using C-RNTI.

[0112] Optionally, when the DCI format is used to activate the second physical channel, the DCI format is scrambled using CS-RNTI, and the NDI information field of the DCI format is set to 0.

[0113] In an optional embodiment, the sending unit 410 may be a transceiver 540. The network device 400 may further include a transceiver 530, a processor 510, and a memory 520, as specifically shown in FIG5 .

[0114] Figure 5 is a schematic block diagram of a communication device according to an embodiment of the present application. The dashed lines in Figure 5 indicate that the unit or module is optional. The device 500 may be used to implement the method described in the above method embodiment. The device 500 may be a chip, a terminal device, or a network device.

[0115] The device 500 may include one or more processors 510. The processor 510 may support the device 500 to implement the method described in the above method embodiment. The processor 510 may be a general-purpose processor or a special-purpose processor. For example, the processor may be a central processing unit (CPU). Alternatively, the processor may be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field programmable gate arrays (FPGA), graphics processing units (GPU) 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 be any conventional processor, etc.

[0116] The apparatus 500 may further include one or more memories 520. The memories 520 store programs that can be executed by the processor 510, causing the processor 510 to perform the methods described in the above method embodiments. The memories 520 may be independent of the processor 510 or integrated into the processor 510.

[0117] The apparatus 500 may further include a transceiver 530. The processor 510 may communicate with other devices or chips via the transceiver 530. For example, the processor 510 may transmit and receive data with other devices or chips via the transceiver 530.

[0118] The present application also provides a computer-readable storage medium for storing a program. The computer-readable storage medium can be applied to a terminal or network device provided in the present application, and the program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.

[0119] The present application also provides a computer program product. The computer program product includes a program. The computer program product can be applied to a terminal or network device provided in the present application, and the program causes a computer to execute the method performed by the terminal or network device in each embodiment of the present application.

[0120] The embodiments of the present application also provide a computer program. The computer program can be applied to the terminal or network device provided in the embodiments of the present application, and the computer program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.

[0121] It should be understood that the terms "system" and "network" in this application can be used interchangeably. In addition, the terms used in this application are only used to explain the specific embodiments of this application and are not intended to limit this application. The terms "first", "second", "third", and "fourth" in the specification and claims of this application and the accompanying drawings are used to distinguish different objects rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0122] In the embodiments of this application, the term "indication" may refer to a direct indication, an indirect indication, or an indication of an association. For example, "A indicates B" may refer to a direct indication of B, e.g., B can obtain information through A; it may refer to an indirect indication of B, e.g., A indicates C, e.g., B can obtain information through C; or it may refer to an association between A and B.

[0123] In the embodiment of the present application, "B corresponding to A" means that B is associated with A and B can be determined based on A. However, it should be understood that determining B based on A does not mean determining B based solely on A, but B can also be determined based on A and / or other information.

[0124] In the embodiments of the present application, the term "corresponding" may indicate a direct or indirect correspondence between the two, or an association relationship between the two, or a relationship between indication and indication, configuration and configuration, etc.

[0125] In the embodiments of the present application, "pre-definition" or "pre-configuration" may be implemented by pre-storing corresponding codes, tables, or other methods that can be used to indicate relevant information in a device (e.g., a terminal device and a network device). The present application does not limit the specific implementation method. For example, pre-definition may refer to information defined in a protocol.

[0126] In the embodiments of the present application, the “protocol” may refer to a standard protocol in the communications field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.

[0127] In the embodiments of this application, the term "and / or" is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this document generally indicates that the related objects are in an "or" relationship.

[0128] In various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0129] In the several embodiments provided in this 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 schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as 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 mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0130] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0131] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0132] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it 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. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from one website, computer, server or data center to another website, computer, server or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The computer-readable storage medium can be any available medium that can be read by a computer or a data storage device such as a server or data center that includes one or more available media integrated therein. The available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a digital versatile disc (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)).

[0133] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A communication method, characterized in that: include: The terminal device receives the downlink control information DCI format; The DCI format includes a first information field and a second information field. When the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

2. The method according to claim 1, characterized in that The first information field includes a time domain resource allocation TDRA information field or a frequency domain resource allocation FDRA information field.

3. The method according to claim 1 or 2, characterized in that The second information field includes a redundancy version information field and / or a hybrid automatic repeat request HARQ process number information field.

4. The method according to any one of claims 1 to 3, characterized in that The first physical channel is a dynamically scheduled physical uplink shared channel PUSCH, and the second physical channel is a semi-persistently scheduled PUSCH; or, The first physical channel is a dynamically scheduled physical downlink shared channel PDSCH, and the second physical channel is a semi-persistently scheduled PDSCH.

5. The method according to any one of claims 1 to 4, characterized in that The length of the first information field is N bits, and the physical resources occupied by the first physical channel are included in the preconfigured A physical resources, where N is greater than or equal to N and A are both positive integers.

6. The method according to any one of claims 1 to 5, characterized in that The length of the first information field is N bits, the length of the second information field is M bits, the N bits and the Q bit of the M bits are used to indicate the physical resources occupied by the second physical channel, and the physical resources occupied by the second physical channel are included in the preconfigured B time domain resources, where N+Q is greater than or equal to Q is less than or equal to M, and M, N, Q, and B are all positive integers.

7. The method according to claim 6, characterized in that The Q bits are the first Q bits or the last Q bits of the M bits.

8. The method according to claim 6 or 7, characterized in that The Q bit and the N bit form a first bit sequence, the Q bit is located at a high order of the first bit sequence, and the N bit is located at a low order of the first bit sequence.

9. The method according to any one of claims 1 to 8, characterized in that In a case where the DCI format is used to schedule the first physical channel, the DCI format is scrambled using a cell radio network temporary identifier C-RNTI.

10. The method according to any one of claims 1 to 9, characterized in that In the case where the DCI format is used to activate the second physical channel, the DCI format is scrambled using the configuration scheduling radio network temporary identifier CS-RNTI, and the new data indication NDI information field of the DCI format is set to 0.

11. A communication method, characterized in that: include: The network device sends the downlink control information DCI format; The DCI format includes a first information field and a second information field. When the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

12. The method according to claim 11, characterized in that The first information field includes a time domain resource allocation TDRA information field or a frequency domain resource allocation FDRA information field.

13. The method according to claim 11 or 12, characterized in that The second information field includes a redundancy version information field and / or a hybrid automatic repeat request HARQ process number information field.

14. The method according to any one of claims 11 to 13, characterized in that The first physical channel is a dynamically scheduled physical uplink shared channel PUSCH, and the second physical channel is a semi-persistently scheduled PUSCH; or, The first physical channel is a dynamically scheduled physical downlink shared channel PDSCH, and the second physical channel is a semi-persistently scheduled PDSCH.

15. The method according to any one of claims 11 to 14, characterized in that The length of the first information field is N bits, and the physical resources occupied by the first physical channel are included in the preconfigured A physical resources, where N is greater than or equal to N and A are both positive integers.

16. The method according to any one of claims 11 to 15, characterized in that The length of the first information field is N bits, the length of the second information field is M bits, the N bits and the Q bit of the M bits are used to indicate the physical resources occupied by the second physical channel, and the physical resources occupied by the second physical channel are included in the preconfigured B time domain resources, where N+Q is greater than or equal to Q is less than or equal to M, and M, N, Q, and B are all positive integers.

17. The method according to claim 16, characterized in that The Q bits are the first Q bits or the last Q bits of the M bits.

18. The method according to claim 16 or 17, characterized in that The Q bit and the N bit form a first bit sequence, the Q bit is located at a high order of the first bit sequence, and the N bit is located at a low order of the first bit sequence.

19. The method according to any one of claims 11 to 18, characterized in that In a case where the DCI format is used to schedule the first physical channel, the DCI format is scrambled using a cell radio network temporary identifier C-RNTI.

20. The method according to any one of claims 11 to 19, characterized in that In the case where the DCI format is used to activate the second physical channel, the DCI format is scrambled using the configuration scheduling radio network temporary identifier CS-RNTI, and the new data indication NDI information field of the DCI format is set to 0.

21. A terminal device, characterized in that: include: A receiving unit, configured to receive a downlink control information DCI format; The DCI format includes a first information field and a second information field. When the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

22. The terminal device according to claim 21, characterized in that The first information field includes a time domain resource allocation TDRA information field or a frequency domain resource allocation FDRA information field.

23. The terminal device according to claim 21 or 22, characterized in that: The second information field includes a redundancy version information field and / or a hybrid automatic repeat request HARQ process number information field.

24. The terminal device according to any one of claims 21 to 23, characterized in that: The first physical channel is a dynamically scheduled physical uplink shared channel PUSCH, and the second physical channel is a semi-persistently scheduled PUSCH; or, The first physical channel is a dynamically scheduled physical downlink shared channel PDSCH, and the second physical channel is a semi-persistently scheduled PDSCH.

25. The terminal device according to any one of claims 21 to 24, characterized in that: The length of the first information field is N bits, and the physical resources occupied by the first physical channel are included in the preconfigured A physical resources, where N is greater than or equal to N and A are both positive integers.

26. The terminal device according to any one of claims 21 to 25, characterized in that: The length of the first information field is N bits, the length of the second information field is M bits, the N bits and the Q bit of the M bits are used to indicate the physical resources occupied by the second physical channel, and the physical resources occupied by the second physical channel are included in the preconfigured B time domain resources, where N+Q is greater than or equal to Q is less than or equal to M, and M, N, Q, and B are all positive integers.

27. The terminal device according to claim 26, characterized in that The Q bits are the first Q bits or the last Q bits of the M bits.

28. The terminal device according to claim 26 or 27, characterized in that: The Q bit and the N bit form a first bit sequence, the Q bit is located at a high order of the first bit sequence, and the N bit is located at a low order of the first bit sequence.

29. The terminal device according to any one of claims 21 to 28, characterized in that: In a case where the DCI format is used to schedule the first physical channel, the DCI format is scrambled using a cell radio network temporary identifier C-RNTI.

30. The terminal device according to any one of claims 21 to 29, characterized in that: In the case where the DCI format is used to activate the second physical channel, the DCI format is scrambled using the configuration scheduling radio network temporary identifier CS-RNTI, and the new data indication NDI information field of the DCI format is set to 0.

31. A network device, characterized in that: include: A sending unit, configured to send a downlink control information DCI format; The DCI format includes a first information field and a second information field. When the DCI format is used to schedule a first physical channel, the first information field is used to indicate the physical resources occupied by the first physical channel; when the DCI format is used to activate a second physical channel, the first information field and the second information field are used to indicate the physical resources occupied by the second physical channel.

32. The network device according to claim 31, wherein: The first information field includes a time domain resource allocation TDRA information field or a frequency domain resource allocation FDRA information field.

33. The network device according to claim 31 or 32, characterized in that: The second information field includes a redundancy version information field and / or a hybrid automatic repeat request HARQ process number information field.

34. The network device according to any one of claims 31 to 33, characterized in that: The first physical channel is a dynamically scheduled physical uplink shared channel PUSCH, and the second physical channel is a semi-persistently scheduled PUSCH; or, The first physical channel is a dynamically scheduled physical downlink shared channel PDSCH, and the second physical channel is a semi-persistently scheduled PDSCH.

35. The network device according to any one of claims 31 to 34, characterized in that: The length of the first information field is N bits, and the physical resources occupied by the first physical channel are included in the preconfigured A physical resources, where N is greater than or equal to N and A are both positive integers.

36. The network device according to any one of claims 31 to 35, characterized in that: The length of the first information field is N bits, the length of the second information field is M bits, the N bits and the Q bit of the M bits are used to indicate the physical resources occupied by the second physical channel, and the physical resources occupied by the second physical channel are included in the preconfigured B time domain resources, where N+Q is greater than or equal to Q is less than or equal to M, and M, N, Q, and B are all positive integers.

37. The network device according to claim 36, characterized in that The Q bits are the first Q bits or the last Q bits of the M bits.

38. The network device according to claim 36 or 37, characterized in that: The Q bit and the N bit form a first bit sequence, the Q bit is located at a high order of the first bit sequence, and the N bit is located at a low order of the first bit sequence.

39. The network device according to any one of claims 31 to 38, characterized in that: In a case where the DCI format is used to schedule the first physical channel, the DCI format is scrambled using a cell radio network temporary identifier C-RNTI.

40. The network device according to any one of claims 31 to 39, characterized in that: In the case where the DCI format is used to activate the second physical channel, the DCI format is scrambled using the configuration scheduling radio network temporary identifier CS-RNTI, and the new data indication NDI information field of the DCI format is set to 0.

41. A terminal device, characterized in that: The terminal comprises a memory and a processor, wherein the memory is used to store a program, and the processor is used to call the program in the memory so as to enable the terminal to execute the method according to any one of claims 1 to 10.

42. A network device, characterized in that: The network device comprises a memory and a processor, wherein the memory is used to store a program, and the processor is used to call the program in the memory so as to enable the network device to execute the method according to any one of claims 11 to 20.

43. A device, characterized in that The device comprises a processor configured to call a program from a memory so as to enable the device to execute the method according to any one of claims 1 to 20.

44. A chip, characterized in that The device comprises a processor configured to call a program from a memory so that a device equipped with the chip executes the method according to any one of claims 1 to 20.

45. A computer-readable storage medium, characterized in that A program is stored thereon, and the program causes a computer to execute the method according to any one of claims 1 to 20.

46. ​​A computer program product, characterized in that The method comprises a program for causing a computer to execute the method according to any one of claims 1 to 20.

47. A computer program, characterized in that The computer program causes a computer to execute the method according to any one of claims 1 to 20.

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