SEMI-PERSISTENT PROGRAMMING METHOD FOR MULTIBroadcast / Broadcast Service, Apparatus and Storage Medium

Abstract

The present application provides a semi-persistent scheduling method for a multicast / broadcast service, an apparatus, and a storage medium; a network device pre-configures semi-persistent configuration information for terminal devices, and the semi-persistent configuration information includes a first identifier to encode the activation information and related information of a PDSCH to send a multicast / broadcast service;Each time multicast / broadcast service data transmission is required, the network device sends activation information to the terminal devices according to the first identifier to indicate activation of the semi-persistent configuration information, and then sends the PDSCH to the terminal devices via multicast / broadcast according to the semi-persistent configuration information, thus understanding that multicast / broadcast service data is transmitted from the network device to N terminal devices via multicast / broadcast;Since terminal devices receive the semi-persistent configuration information from the network device in advance and store it locally, and are activated by the activation information encoded by the first identifier, it is not necessary to receive the semi-persistent configuration information from the network device every time the multicast / broadcast service data is transmitted, thus saving air interface resources.

Description

The present application claims priority from China patent application No. 202011043548.6 filed with the China National Intellectual Property Administration on September 28, 2020, entitled SEMI-PERSISTENT SCHEDULING METHOD FOR MULTICAST / BROADCAST SERVICE, APPARATUS AND STORAGE MEDIUM, which is incorporated by reference in its entirety. FIELD OF INVENTION This application relates to the field of communication technologies and in particular to a semi-persistent programming method for multicast / broadcast services, an apparatus and a storage medium. BACKGROUND OF THE INVENTION In the technical evolution of New Radio (NR), multicast and broadcast services (Multicast / Broadcast Services, MBS) are involved. MBS data is directed to a group of user equipment (UE), and data transmission occurs at a lower data rate, leading to savings in air interface resources. There is a wide range of MBS service types, including media streaming services such as Internet Protocol Television (IPTV) multicast using Internet Protocol version 4 (IPv4) / IPv6; and also data services such as public safety alarms, software updates, vehicle-to-X (V2X) applications, group communication, and so on. An MBS transmission process includes: for each UE in a UE group, a base station sends downlink control information (DCI) about the UE separately, and the DCI indicates a shared physical downlink channel (Physical Downlink Shared Channel, PDSCH) and a corresponding physical uplink control channel resource (Physical Uplink Control Channel, PUCCH) of MBS, where different DCIs indicate the same PDSCH resource, and different DCIs indicate different PUCCH resources. The base station sends MBS data by multicast / cast over the same PDSCH resource.Accordingly, different UEs receive MBS data on the same PDSCH resource and feed the hybrid auto-repeat request (Hybrid auto-repeat request, HARQ) acknowledge (Acknowledgement, ACK) back to the base station on different PUCCH resources respectively. Since the base station needs to send the different DCI mentioned above to multiple UEs respectively each time it programs the same MBS PDSCH, there is a waste of air interface resources. BRIEF DESCRIPTION OF THE INVENTION This application provides a semi-persistent scheduling method for a multicast / broadcast service, an apparatus, and a storage medium, which are used to save air interface resources when scheduling the multicast / broadcast service. In the first respect, the present application provides a semi-persistent scheduling method for a multicast / broadcast service, and the method includes: to receive, by a terminal device, semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information of a PDSCH for multicast / broadcast service transmission; to receive, from the terminal device, activation information of the network device according to the first identifier, wherein the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, wherein the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / cast service to which a terminal device belongs; to receive, by the terminal device, the PDSCH from the network device in accordance with the activation information and semi-persistent configuration information, in which the PDSCH carries multicast / cast service data. Optionally, a PDSCH randomization sequence is obtained according to the second type identifier, or, the semi-persistent configuration information further comprises a third type identifier, wherein the third type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third type identifier, the third type identifier being defaulted to 0 or other default values. Optionally, before receiving the PDSCH from the network device via the terminal device, the method also includes: qj crnn / cznz / E / YiAi activate, through the terminal device, the semi-persistent configuration information in accordance with the activation information. Optionally, after receiving, via the terminal device, the PDSCH from the network device according to the activation information and the semi-persistent configuration information, the method further comprises: send, by the terminal device, the first acknowledgment of receipt information to the network device, where the first acknowledgment of receipt information is used to indicate whether the PDSCH is successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; Sending, via the terminal device, the first confirmation of receipt information to the network device comprises: determine, by the terminal device, PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine, by the terminal device, the timing information of the first receipt confirmation information in accordance with the timing information of the activation information; Send, via the terminal device, the first receipt confirmation information to the network device in accordance with the PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information comprises a second identifier, and the second identifier is used to encode the deactivation information; wherein the method further comprises: receive, by the terminal device, deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. qj crnn / cznz / E / YiAi Optionally, the method also includes: deactivate, by means of the terminal device, the semi-persistent configuration information in accordance with the deactivation information; and / or determine, by the terminal device in accordance with the deactivation information, that a multicast / broadcast communication mode of the terminal device is changed from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the second identifier is the first type identifier, the deactivation information further indicates to change a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the activation information comprises timing information; After receiving, from the terminal device, the network device deactivation information according to the second type identifier, the method further comprises: determine, by the terminal device, the PUCCH resource information of the second receipt confirmation information in accordance with the PUCCH resource information corresponding to the PDSCH; determine, by the terminal device, the timing information of the second receipt confirmation information in accordance with the timing information of the activation information; Send, by the terminal device, the second receipt confirmation information to the network device in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. qj cenn / eznz / E / YiAi Optionally, the first identifier is obtained by encoding the first-type identifier, and the activation information includes PUCCH resource indication information and timing information; After receiving, from the terminal device, the network device deactivation information according to the second identifier, the method further comprises: determine, by the terminal device, PUCCH resource information from the second receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine, by the terminal device, the timing information of the second receipt confirmation information in accordance with the timing information of the activation information; Send, by the terminal device, the second receipt confirmation information to the network device in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. Secondly, this application provides a semi-persistent scheduling method for a multicast / broadcast service, and the method includes: sending, by a network device, semi-persistent configuration information for a multicast / broadcast service to N terminal devices, wherein the N terminal devices belong to the same group of terminal devices for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information of each terminal device comprises a first identifier and related information of a PDSCH for the transmission of the multicast / broadcast service; send, by the network device, activation information to terminal devices N according to the first identifier, where the first identifier is a first-type identifier or second-type identifier, the first-type identifier is used to identify the multicast / cast service terminal device group to which a terminal device belongs and where the activation information is used to indicate the activation of the information to indicate qj crnn / cznz / E / YiAi the semi-persistent configuration information; Send, via the network device, the PDSCH to the N terminal devices by multicast / broadcast in accordance with the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, after sending the PDSCH to the N terminal devices via multicast / broadcast according to the semi-persistent configuration information, the method further comprises: to receive, by the network device, the first acknowledgment of receipt information from the N terminal devices respectively, where the first acknowledgment of receipt information is used to indicate whether the PDSCH was successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; Receiving, via the network device, the first confirmation of receipt information from the N terminal devices comprises: Determine, by the network device, PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine, by the network device, the timing information of the first receipt confirmation information in accordance with the timing information of the activation information; Receive, via the network device, the first receipt confirmation information from the terminal devices in accordance with the PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information comprises a second identifier, and the second identifier is used to encode the deactivation information; wherein the method further comprises: send, by the network device, deactivation information to the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the deactivation information is also used to indicate the change of a terminal device's multicast / broadcast communication mode from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the deactivation information is obtained by decoding according to the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the first type identifier, the deactivation information further indicates changing a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the deactivation information comprises timing information; After the network device sends the deactivation information for the N terminal devices according to the second identifier, the method further comprises: Determine, by the network device, the PUCCH resource information of the second receipt confirmation information in accordance with the PUCCH resource information corresponding to the PDSCH; qj cenn / eznz / E / YiAi determine, by the network device, the timing information of the second receipt confirmation information according to the timing information of the deactivation information; to receive, by the network device, the second receipt confirmation information from terminal devices in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, the first-type identifier and deactivation information includes PUCCH resource indication information and timing information; After the network device sends the deactivation information for the N terminal devices according to the second identifier, the method further comprises: Determine, by the network device, PUCCH resource information from the second receipt confirmation information in accordance with the PUCCH resource indication information from the deactivation information; determine, by the network device, the timing information of the second receipt confirmation information in accordance with the timing information of the deactivation information; to receive, by the network device, the second receipt confirmation information sent from terminal devices in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. In a third aspect, the present application provides a semi-persistent programming apparatus for a multicast / broadcast service, comprising a memory, a transceiver, and a processor; The memory is configured to store a computer program; the transceiver is configured to transmit data under the control of the processor; qj cenn / eznz / E / YiAi The processor is configured to read the computer program into memory and execute the following operations: receiving semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information of a PDSCH for multicast / broadcast service transmission; receive activation information from the network device according to the first identifier, wherein the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, wherein the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / cast service to which a terminal device belongs; receive the PDSCH from the network device according to the activation information and semi-persistent configuration information, in which the PDSCH carries multicast / cast service data. Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, the processor also performs the following operations: Before receiving the PDSCH from the network device, activate the semi-persistent configuration information according to the activation information. Optionally, the processor also performs the following operations: After receiving the PDSCH from the network device according to the activation information and semi-persistent configuration information, send the first acknowledge receipt information to the network device, where the first acknowledge receipt information is used to indicate whether the PDSCH was successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; Sending the first confirmation of receipt information to the network device includes: qj crnn / cznz / E / YiAi determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Send the first receipt confirmation information to the network device according to the PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; The processor also performs the following operations: receive deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the processor also performs the following operations: deactivate semi-persistent configuration information in accordance with the deactivation information; and / or, determine, in accordance with the deactivation information, that a multicast / broadcast communication mode of the terminal device is changed from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the second identifier is the first type identifier, the deactivation information further indicates to change a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. qj cenn / eznz / E / YiAi Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the deactivation information comprises timing information; The processor also performs the following operations: After receiving the network device deactivation information according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource information corresponding to the PDSCH; determine the timing information of the second receipt confirmation information in accordance with the timing information of the deactivation information; Send the second acknowledgment information to the network device according to the PUCCH resource information and the timer information of the second acknowledgment information, where the second acknowledgment information is used to indicate whether the deactivation information was successfully received. Optionally, the first identifier is obtained by encoding the first-type identifier, and the activation information includes PUCCH resource indication information and timing information; The processor also performs the following operations: After receiving the network device deactivation information according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Send the second receipt confirmation information to the network device in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH qj crnn / cznz / E / YiAi resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. In a fourth aspect, the present application provides a semi-persistent programming apparatus for a multicast / broadcast service, comprising a memory, a transceiver, and a processor; The memory is configured to store a computer program. the transceiver is configured to transmit data under the control of the processor; The processor is configured to read the computer program into memory and execute the following operations: sending semi-persistent configuration information for a multicast / broadcast service to N terminal devices, wherein the N terminal devices belong to the same group of terminal devices for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information of each terminal device comprises a first identifier and related information of a PDSCH for the transmission of the multicast / broadcast service; send activation information to terminal devices N according to the first identifier, where the first identifier is a first-type identifier or second-type identifier, the first-type identifier is used to identify the multicast / cast service terminal device group to which a terminal device belongs, and where the activation information is used to indicate the activation of the information to indicate the semi-persistent configuration information; send the PDSCH to the N terminal devices by multicast / broadcast according to the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, the processor also performs the following operations: After sending the PDSCH to the N terminal devices by multicast / cast, according to the semi-persistent configuration information, receive the qj crnn / cznz / E / YiAi first acknowledgment information from the N terminal devices respectively, where the first acknowledgment information is used to indicate whether the PDSCH was successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; Receiving the first confirmation information from the N terminal devices includes: determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Receive the first receipt confirmation information from terminal devices in accordance with PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; The processor also performs the following operations: send deactivation information from the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the deactivation information is also used to indicate the change of a terminal device's multicast / broadcast communication mode from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the deactivation information is obtained by decoding according to the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode; qj crnn / cznz / E / YiAi if the second identifier is the first type identifier, the deactivation information further indicates changing a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the deactivation information comprises timing information; The processor also performs the following operations: After sending the deactivation information to the N terminal devices according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource information corresponding to the PDSCH; determine the timing information of the second receipt confirmation information in accordance with the timing information of the deactivation information; receive the second receipt confirmation information from terminal devices in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, the first-type identifier and deactivation information includes PUCCH resource indication information and timing information; The processor also performs the following operations: After sending the deactivation information of the N terminal devices according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the resource indication information of qj cenn / eznz / E / YiAi PUCCH of the deactivation information; determine the timing information of the second receipt confirmation information in accordance with the timing information of the deactivation information; receive the second receipt confirmation information sent from terminal devices in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. In a fifth aspect, the present application provides a semi-persistent scheduling apparatus for a multicast / broadcast service and includes: A receiving unit is configured to: receive semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information from a PDSCH for multicast / broadcast service transmission; receive activation information from the network device according to the first identifier, wherein the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, wherein the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs;receive the PDSCH from the network device according to the activation information and semi-persistent configuration information, in which the PDSCH carries multicast / cast service data.; Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. qj crnn / cznz / E / YiAi Optionally, the device also includes: a processing unit configured to activate semi-persistent configuration information based on the activation information before the receiving unit receives the PDSCH from the network device. Optionally, the device also includes: a transmitting unit, configured to send first receive acknowledgment information to the network device after the receiving unit receives the PDSCH from the network device in accordance with the activation information and semi-persistent configuration information, wherein the first receive acknowledgment information is used to indicate whether the PDSCH is successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; The transmitting unit is specifically configured for: determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Send the first receipt confirmation information to the network device according to the PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; The receiving unit is configured to receive deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the device also includes: a processing unit configured to: disable the qj crnn / cznz / E / YiAi semi-persistent configuration information according to the disablement information; and / or determine, according to the disablement information, that a multicast / broadcast communication mode of the terminal device is changed from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the second identifier is the first type identifier, the deactivation information further indicates to change a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the deactivation information comprises timing information; The sending unit is further configured to: after the receiving unit receives the deactivation information from the network device according to the second type identifier, determine the PUCCH resource information of the second acknowledgment information according to the PUCCH resource information corresponding to the PDSCH; determine the timing information of the second acknowledgment information according to the timing information of the activation information; send the second acknowledgment information to the network device according to the PUCCH resource information and the timing information of the second acknowledgment information, where the second acknowledgment information is used to indicate whether the deactivation information is successfully received. Optionally, the first identifier is obtained by encoding the first-type identifier, and the activation information includes PUCCH resource indication information and timing information; The transmitting unit is further configured to: after the receiving unit qj crnn / cznz / E / YiAi receives the deactivation information from the network device according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource information from the activation information; determine the timing information from the second receipt confirmation information according to the timing information from the activation information; send the second receipt confirmation information to the network device according to the PUCCH resource information and the timing information from the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information is successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. In a sixth aspect, the present application provides a semi-persistent scheduling apparatus for a multicast / broadcast service and includes: a transmitting unit configured to: send semi-persistent configuration information for a multicast / broadcast service to N terminal devices, wherein the N terminal devices belong to the same terminal device group for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information for each terminal device comprises a first identifier and related information of a shared physical downlink channel (PDSCH) for the transmission of the multicast / broadcast service;Send activation information to the N terminal devices according to the first identifier, where the first identifier is a first-type identifier or a second-type identifier, the first-type identifier being used to identify a terminal device, and the second-type identifier being used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs, and wherein the activation information is used to indicate the activation of the semi-persistent configuration information; Send the PDSCH to the N terminal devices by multicast / broadcast according to the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier qj cenn / eznz / E / YiAi, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, the device also includes: a receiving unit, configured to receive first receive acknowledgment information from the N terminal devices respectively after the sending unit sends the PDSCH to the N terminal devices by multicast / cast according to the semi-persistent configuration information, wherein the first receive acknowledgment information is used to indicate whether the PDSCH is successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; The receiving unit is specifically configured for: determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Receive the first receipt confirmation information from the terminal devices in accordance with the PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; The sending unit is further configured to send the deactivation information to the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the deactivation information is also used to indicate the change of a terminal device from a multicast / broadcast communication mode from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the deactivation information is obtained by decoding according to the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the first type identifier, the deactivation information further indicates changing a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the activation information comprises timing information; The device also includes: A receiving unit configured to: after the transmitting unit 701 sends the deactivation information to the N terminal devices according to the second type identifier, determine the PUCCH resource information of the second acknowledgment receipt information according to the PUCCH resource information corresponding to the PDSCH; determine the timing information of the second acknowledgment receipt information according to the timing information of the activation information; receive the second acknowledgment receipt information from the terminal devices according to the PUCCH resource information and the timing information of the second acknowledgment receipt information, where the second acknowledgment receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; qj crnn / cznz / E / YiAi the device also includes: A receiving unit configured to: after the transmitting unit 701 sends the deactivation information to the N terminal devices according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource indication information from the activation information; determine the timing information from the second receipt confirmation information according to the timing information from the activation information; receive the second receipt confirmation information sent from the terminal devices according to the PUCCH resource information and the timing information from the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information is successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. In a seventh aspect, the present application provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to cause a processor to execute the method according to either the first or second aspect. In an eighth aspect, this application provides a computer program product that includes instructions, when executed on a computer, to cause the computer to execute the method in accordance with either the first or second aspect. In a ninth aspect, the present application provides a semi-persistent scheduling system for a multicast / broadcast service, which includes a network device as described in any of the above and at least one terminal device as described in any of the above. This application provides a semi-persistent scheduling method for a multicast / broadcast service, an apparatus, and a storage medium; The network device configures semi-persistent configuration information for terminal devices, and the semi-persistent configuration information includes the first identifier to encode the activation information and related information of a PDSCH to send a multicast / broadcast service.Each time multicast / broadcast service data transmission is required, the network device sends activation information to the terminal devices according to the first identifier qj crnn / cznz / E / YiAi to indicate activation of the semi-persistent configuration information, and then sends the PDSCH to the terminal devices via multicast / broadcast according to the semi-persistent configuration information, thus understanding that multicast / broadcast service data is transmitted from the network device to N terminal devices via multicast / broadcast.Since terminal devices receive the semi-persistent configuration information from the network device in advance and store it locally, and are activated by the activation information encoded by the first identifier, it is not necessary to receive the semi-persistent configuration information from the network device every time the multicast / broadcast service data is transmitted, thus saving air interface resources. It should be understood that what is described in the brief description of the invention above is not intended to limit the key or important features of the embodiments of the present invention, nor is it intended to limit the scope of the present invention. Other features of the present invention will become apparent from the following description. BRIEF DESCRIPTION OF THE DRAWINGS In order to explain the technical solutions in this application or in the prior art more clearly, the drawings necessary for describing the embodiments or in the prior art are briefly presented below. It is evident that the drawings in the following description are some embodiments of the present invention. Other drawings can be obtained from these drawings by those skilled in the art without any further creative effort. Figure 1 is a schematic diagram of an application scenario according to a modality of the present application. Figure 2 is a flowchart of a semi-persistent scheduling method for a multicast / broadcast service provided by a modality of this application. Figure 3 is a flowchart of a semi-persistent scheduling method for a multicast / broadcast service provided by a modality of this application. Figure 4 is a schematic structural diagram of a semi-persistent scheduling apparatus for a multicast / broadcast service provided by a modality of the present application. Figure 5 is a schematic structural diagram of a semi-persistent scheduling apparatus for a multicast / broadcast service provided by a modality of the present application. Figure 6 is a schematic structural diagram of a semi-persistent scheduling apparatus for a multicast / broadcast service provided by a modality of the present qj crnn / cznz / E / YiAi application. Figure 7 is a schematic structural diagram of a semi-persistent scheduling apparatus for a multicast / broadcast service provided by a modality of the present application. DETAILED DESCRIPTION OF THE INVENTION In this application, the term "and / or" describes an association relationship between associated objects and means that there can be three relationships. For example, A and / or B can represent three situations: A exists separately, A and B exist simultaneously, and B exists separately. The character / generally indicates that the associated objects before and after the / are in an "or" relationship. The term "multiple" in the modalities of this application refers to two or more than two, and other quantifiers are similar to it. The technical solutions in the forms covered by this application shall be clearly and comprehensively described in conjunction with the accompanying drawings. Obviously, the forms described herein are part of the forms covered by this application, but not all forms. Based on the forms covered by this application, all other forms obtained by those skilled in the art without creative effort fall within the scope of protection of this application. The modalities of this application provide a semi-persistent scheduling method (Semi-Persistent Scheduling, SPS) for a multicast / broadcast service, an apparatus, and a storage medium. A network device configures semi-persistent configuration information for terminal devices, and the semi-persistent configuration information includes a first identifier (either a first-type identifier or a second-type identifier) ​​and related information from a PDSCH for sending a multicast / broadcast service. When transmission of multicast / broadcast service data is required, the network device sends activation information to the terminal devices to indicate the activation of the semi-persistent configuration information. The network device and the terminal devices then conduct multicast / broadcast service communication in accordance with the semi-persistent configuration information.Since configuration information is received by terminal devices from the network device in advance and stored locally, there is no need to receive it again from the network device each time multicast / broadcast service data is transmitted, thus saving air interface resources. It should be noted that the semi-persistent involved in the present application can also be called semi-static. The methods and devices are based on the same application concept. Since the methods and devices solve the problem using similar principles, their implementation can be compared to each other, and repetition is not the norm. The technical solutions provided by the modalities of this application can be applied to various systems, especially a 5G system. For example, an applicable system could be a Global Mobile Communications System (GSM), a Code Division Multiple Access system (CDMA), a Wideband Code Division Multiple Access system (WCDMA), a General Packet Radio Service (GPRS), a Long Term Evolution (LTE) system, an LTE Frequency Division Duplex system (FDD), an LTE Time Division Duplex system (TDD), or an Advanced Long Term Evolution (LTE-A) system.A universal mobile telecommunications system (UMTS), worldwide interoperability for microwave access (WiMAX), a new 5G radio system (New Radio, NR), etc. The different systems include a terminal device and a network device. The system may also include a core network component, such as an evolved packet system (EPS), a 5G system (5GS), etc. The terminal device involved in the modalities of this application may refer to a device that provides voice and / or data connectivity to a user, a portable device with a wireless connection function, or other processing devices connected to a wireless modem, etc. The name of the terminal device may differ in different systems. For example, in the 5G system, the terminal device may be called User Equipment (UE). The wireless terminal device may communicate with one or more networks (Core Networks, CN) via the Radio Access Network (RAN). The wireless terminal device may be a mobile terminal device, such as a mobile phone (or cell phone) or a computer with a mobile terminal device.For example, the mobile terminal device may be a portable, pocket-sized, handheld, computer-built, or vehicle-mounted mobile device that exchanges voice and / or data with a radio access network, such as a Personal Communication Service (PCS), a cordless phone, a Session Initiated Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and other devices.The wireless terminal device may also be referred to as a system, subscriber unit, subscriber station, mobile station, mobile, remote station, access point station, a remote terminal, an access terminal, a user terminal device, a user agent, or a user device, which is not limited to the terms of this application. The network device involved in the modalities of this application may be a base station, and the base station may include multiple cells providing services to a terminal. Depending on a specific application, the base station may also be referred to as an access point or device in an access network that communicates with a wireless terminal device through one or more sectors on an air interface, or by other names. The network may be configured to exchange a received frame over the air with an Internet Protocol (IP) packet and act as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an Internet Protocol (IP) communication network. The network device may also coordinate the management of air interface properties.For example, the network device involved in the modalities of this application may be a network device (Base Transceiver Station, BTS) in a Global System for Mobile Communications (GSM) or Code Division Multiple Access (CDMA) multiple access system; it may also be a network device (NodeB) in Wideband Code Division Multiple Access (WCDMA); it may also be an evolutionary network device (evolutionary Node B, eNB or e-NodeB) in a Long Term Evolution (LTE) system, a 5G Base Station (gNB) in a 5G network architecture (Next Generation System); and it may also be a domestic evolved base station (Domestic Evolved Node B, HeNB), a repeater node, a domestic base station (femto), a pico base station, etc.which is not limited in the modalities of this application. In some network structures, the network device may include a centralized unit node (CDU) and a distributed unit node (DIS), and the centralized unit and the distributed unit may also be geographically separated. The network device and the terminal device can use one or more antennas, respectively, for multi-input multi-output (MIMO) transmission between them. MIMO transmission can be single-user (SU-MIMO) or multi-user (MU-MIMO). Depending on the morphology and number of root antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or mass-MIMO. It can also be diversity transmission, pre-coding transmission, beamforming transmission, etc. Figure 1 is a schematic diagram of an application scenario according to one modality of this application. As shown in Figure 1, this modality provides a communication system 100, and the communication system 100 includes a network device 110 and multiple terminal devices 120. This modality takes three terminal devices 120 as an example. These terminal devices 120 belong to the same group of terminal devices for a multicast / broadcast service. The network device 110 can send service data to these terminal devices 120 simultaneously via multicast / broadcast, where the service data is carried on a PDSCH. The following methods are adopted to describe how to program the PDSCH to transmit service data. Figure 2 is a flowchart of a semi-persistent scheduling method for a multicast / broadcast service provided by a modality of this application. As shown in Figure 2, the method for this modality may include the following steps. S201: A network device sends semi-persistent configuration information for a multicast / broadcast service to each of the N end devices. Consequently, each of the N end devices receives the semi-persistent configuration information for the multicast / broadcast service from the network device. Furthermore, in this mode, Figure 2 is shown taking one of the N terminal devices as an example, and other terminal devices are similar. In this mode, the N terminal devices belong to the same terminal device group for the multicast / broadcast service, where N is an integer greater than or equal to 1, and where the semi-persistent configuration information of each terminal device comprises a first identifier and related information of a PDSCH for the transmission of the multicast / broadcast service. The first identifier is used to encode the activation information. The first identifier can be a first-type identifier or a second-type identifier. The first-type identifier is used to identify a corresponding terminal device, and the first-type identifier is, for example, a Configured Scheduling Radio Network Temporary Identifier (CS-RNTI). The first-type identifiers for different terminal devices are different. The second-type identifier is used to identify a group of terminal devices in a multicast / broadcast service to which a terminal device belongs, and the second-type identifier is, for example, a Group Configured Scheduling Radio Network Temporary Identifier (GCS-RNTI). The second-type identifiers of terminal devices belonging to the same terminal device group for the multicast / broadcast service are the same. That is, the second-type identifiers of the semi-persistent configuration information of the N terminal devices are the same identifier. The network device sends semi-persistent configuration information to each terminal device in advance. Consequently, each terminal device receives the semi-persistent configuration information from the network device. The network device can send semi-persistent configuration information to the terminal device using upper-layer signaling. For example, the network device sends semi-persistent configuration information to the terminal device using a Radio Resource Control (RRC) message. The network device can send semi-persistent configuration information to the terminal device using one or more RRC messages. S202: The network device sends activation information to N terminal devices based on the first identifier. Consequently, each terminal device receives the activation information from the network device. In this mode, each terminal device receives the semi-persistent configuration information from the network device and stores it locally. The network device then indicates when the semi-persistent configuration information needs to be used. Whenever the network device needs to schedule the PDSCH to transmit multicast / broadcast service data, it sends activation information to each terminal device based on the first identifier in the semi-persistent configuration information. This activation information signals that the semi-persistent configuration information is activated; that is, it indicates that the scheduling of the semi-persistent configuration information takes effect at the physical layer. This means the terminal device can then receive the PDSCH according to both the semi-persistent configuration information and the activation information.Consequently, after receiving the activation information, each terminal device determines that the semi-persistent configuration information can be used to communicate with the network device for the multicast / broadcast service. In a possible implementation of the above S202, the first identifier is the first-type identifier, and the first-type identifier is a UE-specific identifier (e.g., a CS-RNTI). The network device sends activation information to the respective terminal devices according to the terminal devices' first-type identifiers, qj crnn / cznz / E / YiAi respectively. Consequently, each terminal device receives activation information from the network device according to its own first-type identifier. In this implementation, the activation information received by the terminal device is obtained by encoding it using the terminal device's first-type identifier (such as the terminal device's CS-RNTI). The indication information to show that the activation information is encoded using the first-type identifier is also included in the above semi-static configuration. In this mode, the network device sends activation information to each terminal device respectively, so that related information about the terminal device can be added to the activation information, which can increase the amount of information contained in the activation information, increase the flexibility of air interface resource scheduling and improve the user experience. In another possible implementation of the S202 above, the first identifier is the second-type identifier, and the second-type identifier is a common identifier for the terminal device group, such as a GCS-RNTI. The network sends activation information to the terminal device group according to the second-type identifier. Consequently, each terminal device in the terminal device group receives activation information from the network device according to the second-type identifier. In this implementation, the activation information received by each terminal device is obtained by encoding it using the second-type identifier (such as the GCS-RNTI) in the semi-static configuration information. The indication information for encoding the activation information using the second-type identifier is also included in the semi-static configuration above. Therefore, the network device can indicate to multiple terminal devices the activation of semi-persistent configuration information by sending the same activation information, thus reducing the scheduling of signaling resources and saving air interface resources. S203: The network device sends the PDSCH to the N terminal devices via multicast / broadcast based on the semi-persistent configuration and activation information. Consequently, each of the N terminal devices receives the PDSCH for multicast / broadcast service from the network device. In this mode, after sending the activation information to the N terminal devices, the network device sends the PDSCH to the N terminal devices via multicast / broadcast according to the semi-persistent configuration information. Consequently, after receiving the activation information, each terminal device receives the PDSCH from the network device containing the semi-persistent configuration information and the activation information. The PDSCH carries multicast / broadcast service data, and each terminal device acquires the multicast / broadcast service data from the network device via the PDSCH. Activation information may include frequency-domain resource indication information and time-domain resource indication information from the PDSCH. After receiving the activation information, the terminal device determines the PDSCH's frequency-domain resource information based on the frequency-domain resource indication information in the activation information; determines the PDSCH's time-domain resource information based on the time-domain resource indication information in the activation information; and then receives the PDSCH from the network device based on the frequency-domain and time-domain resource information.The PDSCH frequency domain resource indication information in each piece of activation information indicates the same frequency domain resource, and the PDSCH time domain resource indication information in each piece of activation information indicates the same time domain resource. In one possible implementation, a PDSCH randomization sequence can be obtained based on the second-type identifier. Specifically, the network device obtains the PDSCH encoding sequence based on the second-type identifier (such as the GCSRNTI), encodes the PDSCH according to the encoding sequence, and then sends the encoded PDSCH to N terminal devices via multicast. Consequently, each terminal device obtains a PDSCH decoding sequence based on the second-type identifier and decodes a received PDSCH according to the decoding sequence. Therefore, it is understood that the multicast service data is transmitted via multicast from the network device to the N terminal devices. The terminal device's semi-persistent configuration information also includes indication information to indicate obtaining the PDSCH encryption sequence by the second-type identifier (such as the GCS-RNTI). In another possible implementation, the semi-persistent configuration information also includes a third-type identifier. This third-type identifier is, for example, a Group Radio Network Temporary Identifier (G-RNTI), and it is used to generate the PDSCH randomization sequence. The default value for the third-type identifier is 0 or other default values. Consequently, the PDSCH randomization sequence can be obtained based on this third-type identifier. Specifically, the network device obtains the PDSCH encoding sequence according to the third-type identifier (e.g., the G-RNTI), encodes the PDSCH according to the encoding sequence, and then sends a coded PDSCH to N terminal devices via multicast.Consequently, each terminal device obtains a PDSCH decryption sequence qj crnn / cznz / E / YiAi according to the third-type identifier, and decrypts a received PDSCH according to the decryption sequence. Therefore, it is understood that the multicast / broadcast service data is transmitted via multicast / broadcast from the network device to the N terminal devices. A relevant PDSCH data encoding code uses the G-RNTI as a parameter of an encoding code sequence, for example, as shown in the following Formula 1: = ( / >w'(í) + c'”(i))rnod 2Formula 1where #?)( / ) is a data bit before the PDSCH encoding, / ? ' ( / ) is a data bit after the PDSCH encoding, dq\i) is an encoding code sequence and q is 0 or 1. 0^( / ) is obtained according to a Gmt initialization parameter, and the description in the Related technique can be referenced to know how to obtain it according to Gnu, which will not be repeated here. Gnitse is generated using the following Formula 2: Q / z =nRNTI * 215+ ¿ / * 214+ n¡DFormula 2 where Gnu is the ciphercode sequence initialization parameter, niD is a value configured by a higher layer, the values ​​of / 7 / ? / v7? of the terminal devices belonging to the terminal device group for the multicast / cast service are the same, nm is equal to the G-RNTI, and the values ​​of niD of the terminal devices belonging to the terminal device group for the multicast / cast server are the same. In the event that a randomization code for the relevant PDSCH data uses the GCS-RNTI as a parameter of a randomization code sequence, it is similar to the previous case of using the G-RNTI as a parameter of the randomization code sequence, which will not be repeated here. In the semi-persistent scheduling method for a multicast / broadcast service provided by this mode, the network device configures the semi-persistent configuration information for the terminal devices in advance. This semi-persistent configuration information includes the first identifier (either the first type identifier or the second type identifier) ​​to encrypt the activation information and related PDSCH information for multicast / broadcast service transmission. Whenever multicast / broadcast service data transmission is required, the network device sends the activation information qj cenn / eznz / E / YiAi to the terminal devices based on the first identifier to indicate activation of the semi-persistent configuration information. It then sends the PDSCH to the terminal devices via multicast / broadcast according to the semi-persistent configuration information.Understanding that the multicast / broadcast service data is transmitted from the network device to N terminal devices via multicast / broadcast; since the terminal devices receive the semi-persistent configuration information from the network device in advance and store it locally, and are activated by the activation information encoded by the first identifier, it is not necessary to receive the semi-persistent configuration information from the network device each time the multicast / broadcast service data is transmitted, thus saving air interface resources. Based on any of the above methods, after receiving the network device's activation information and before receiving the network device's PDSCH, each terminal device activates its semi-persistent configuration information according to the received activation information. After activating the semi-persistent configuration information, each terminal device receives the network device's PDSCH according to the semi-persistent configuration information. For example, a flag bit is used to indicate whether semi-persistent configuration information is enabled. After receiving the enable information, the terminal device changes the flag bit to a value that indicates that semi-persistent configuration information is enabled. Figure 3 is a flowchart of a semi-persistent programming method for a multicast / broadcast service provided by another modality of this application. As shown in Figure 3, based on any of the previous modalities, this modality further includes the following steps after executing S203, which is shown in Figure 2. S204: Terminal devices send first-receive acknowledgment information to the network device according to the semi-persistent configuration information and activation information. Consequently, the network device receives the first-receive acknowledgment information from the terminal devices according to the semi-persistent configuration information of each terminal device. The first acknowledgment is used to indicate whether the PDSCH was successfully received. Successful reception here means that the terminal device correctly decodes the received PDSCH. If the terminal device's first acknowledgment indicates that the PDSCH was successfully received, the network device does not retransmit the PDSCH. If the terminal device's first acknowledgment indicates that the qj cenn / eznz / E / YiAi PDSCH was not successfully received, the network device is retransmitting the PDSCH. The first confirmation of receipt information is, for example, feedback information from a Hybrid Automatic Repeat Request (HARQ). If the data carried on the received PDSCH and decoded by the terminal device is correct, the HARQ feedback information is HARQ-ACK. If the data carried on the received PDSCH and decoded by the terminal device is incorrect, the HARQ feedback information is a Negative Acknowledgement (NACK). Therefore, in this mode, the reliability of the multicast / broadcast service data can be improved through the first receipt confirmation information, to meet different transmission quality requirements of different services. In an optional example, if the first identifier is the first-type identifier, i.e., the activation information received by the terminal device is obtained by encoding using the first-type identifier (such as the CS-RNTI) of the terminal device, then sending the first acknowledgment of receipt information from the terminal device to the network device includes the following possible implementations. In a possible implementation, the activation information received by the terminal device includes PUCCH resource indication information and timing information. Accordingly, after receiving the activation information, the terminal device determines the PUCCH resource information from the first acknowledgment based on the PUCCH resource indication information contained in the activation information. For example, the semi-persistent configuration information includes total PUCCH resource information related to the terminal device. The terminal device determines a PUCCH resource indicated by the PUCCH resource indication information from the total PUCCH resource information and uses that determined PUCCH resource as the PUCCH resource information for the first acknowledgment.The terminal device further determines the timing information for the first acknowledgment based on the timing information of the activation information, using the activation information as the timing information for the first acknowledgment. Then, the terminal device sends the first acknowledgment to the network device according to the determined PUCCH resource and the timing information of the first acknowledgment. Accordingly, for each terminal device, the network device determines the PUCCH resource information from the first acknowledgment receipt information according to the PUCCH resource indication information from the activation information; determines the timing information from the first acknowledgment receipt information according to the timing information from the activation information; and then receives the first acknowledgment receipt information from the terminal device according to the PUCCH resource information and the timing information from the first acknowledgment receipt information. In another possible implementation, the PDSCH-related information in the terminal device's semi-persistent configuration information includes: PUCCH resource information corresponding to the PDSCH, and the activation information includes timing information. Consequently, after receiving the activation information, the terminal device determines the PUCCH resource information from the first acknowledgment based on the corresponding PUCCH resource information in the semi-persistent configuration information. For example, the corresponding PUCCH resource information in the semi-persistent configuration information is determined as the PUCCH resource information from the first acknowledgment.The terminal device further determines the timing information for the first acknowledgment based on the timing information of the activation information, using the activation information as the timing information for the first acknowledgment. Then, the terminal device sends the first acknowledgment to the network device according to the determined PUCCH resource and the timing information of the first acknowledgment. Consequently, for each terminal device, the network device determines the PUCCH resource information of the first acknowledgment receipt information according to the PUCCH resource information corresponding to the PDSCH in the semi-persistent configuration information; determines the timing information of the first acknowledgment receipt information according to the timing information of the activation information; and then receives the first acknowledgment receipt information from the terminal device according to the PUCCH resource information and the timing information of the first acknowledgment receipt information. In this mode, the network device also sends the PDSCH once at the same time as it sends the activation information to the terminal devices. Therefore, when the terminal devices send the first acknowledgment of receipt information from this PDSCH to the network device, this first acknowledgment is also used to indicate whether the activation information was successfully received. Therefore, in this mode, how to feed the first qj cenn / eznz / E / YiAi PDSCH reception confirmation information to the network device is determined by means of activation information without special control signaling, thus saving air interface resources. In another optional example, if the first identifier is the second-type identification, i.e., the activation information received by the terminal device is obtained by encoding using the second-type identification (such as the GCS-RNTI), then the feedback of the first receipt confirmation information from the terminal device to the network device includes the following implementations. In one possible implementation, the terminal device does not send the initial acknowledgement to the network device. The terminal device also does not send any acknowledgement indicating whether the activation information was successfully received by the network device. Optionally, the network device may send the activation information to the terminal devices multiple times consecutively, based on the second-type identifier, to ensure that the terminal devices receive the activation information. In another possible implementation mode, if the network device pre-configures a feedback resource for the receipt confirmation information for each terminal device, the first receipt confirmation information can be fed back according to the pre-configured feedback resource and the indication information of the PUCCH resource and the timing information of the activation information. In this mode, the network device also sends the PDSCH once at the same time as it sends the activation information to the terminal devices. Therefore, when the terminal devices send the first acknowledgment of receipt information from this PDSCH to the network device, this first acknowledgment is used to indicate whether the activation information was successfully received. For example, the network device configures multiple PUCCH resources, such as N PUCCH resources, for each terminal device via a higher-layer message, and the PUCCH resources primarily include the following contents: a PUCCH format; an initial resource block position (Resource Block, RB): represents a position of the PUCCH resource in a frequency domain when allocated; an initial symbol and a symbol length: time domain information of the PUCCH channel; the initial cyclic displacement number (initial cyclic displacement) is L; the number of orthogonal sequences (orthogonal sequences) is M; a terminal device feedback index (index): the terminal device calculates a resource position from its own feedback for PUCCH. qj crnn / cznz / E / YiAi Among them: The PUCCH format represents a channel format used, which can be divided into format 0, format 1, format 2, format 3, etc. Different formats have different application scenarios (different loads and / or coverage). For example, format 0 supports feedback of a small number of bits (1-2), which is suitable for terminal devices close to the network device. Format 1 indicates feedback of a small number of bits (1-2), which is suitable for terminal devices far from the network device. The initial cyclic change number (initial cyclic change) L: represents the number of users supported by an initial cyclic change channel dimension. If not defined, L is equal to 1, for example. The number of orthogonal sequences (Orthogonal Sequences) M: represents the number of supported users of one orthogonal sequence channel dimension. If not defined, M is considered equal to 1, for example. The terminal device feedback index (index): used for the terminal device to calculate a channel resource position where the HARQ-ACK feedback is located. For example, the above format defines N*L*M channel resources that can be used to provide feedback HARQ-ACK (1 bit) information (one order of calculation can be: first the orthogonal sequence number, then the initial cyclic change, and finally the PUCCH channel number). The terminal device with the index number corresponds to an information resource in the N *L* M channel resources, whose calculation process can be expressed as follows: PUCCH channel number n = index / (N*L), x = mod(index,N*L) cyclic shift number c = x / M; y = mod(x,M) orthogonal sequence number o = y. Optionally, the order of calculation of channel resources can also be: first the initial cyclic offset, then the orthogonal sequence number, and finally the PUCCH channel number. In this way, the time-frequency resource of the first receipt confirmation information is determined. Based on any of the above methods, the first identifier is the second-type identifier. The activation information received by the terminal device is obtained by encoding it using the second-type identifier (such as GCS-RNTI). This activation information is then used to indicate that the downlink control information and / or the deactivation information obtained by randomization using the second-type identifier qj crnn / cznz / E / YiAi is not required to be detected within a predetermined time period. The deactivation information is used to indicate the deactivation of the semi-persistent configuration information, meaning that the programming of the semi-persistent configuration information is not valid at the physical layer. In other words, the terminal device no longer receives the PDSCH according to the semi-persistent configuration.-Persistent configuration information and activation information. After sending the activation information obtained through encryption using the second-type identifier, the network device no longer sends the downlink control information obtained through encryption using the second-type identifier within the preset time period. After receiving the activation information obtained through encryption using the second-type identifier, the terminal device stops detecting the downlink control information obtained through encryption using the second-type identifier within the preset time period. Therefore, the energy consumption caused by blind detection of a terminal device control channel can be reduced, and an energy saving effect of the terminal device can be achieved. The following describes an example in which the activation information includes indication information with a length of 6 bits to indicate: the downlink control information obtained by randomization using the second type identifier is not required to be detected within the preset time period. In a first example: First bit: Indicates a time unit to count when no downlink control information is detected, obtained by randomization using the second-type identifier. For example, 0 indicates a preset detection time unit, and 1 indicates that the time unit is one radio frame (10 ms). Last five bits: indicate a period of time during which downlink control information obtained by randomization using the second-type identifier is not detected. For example, 11111 indicates 64 time units. 00000 indicates 0 time units. For example, when the first bit is 0 and the last five bits are 11111, it indicates that after receiving the activation information, the terminal device does not need to detect downlink control information, such as deactivation information, obtained by encoding using the second-type identifier within a time period of 64 subsequent radio frames (i.e., 64 ms). In a second example: First bit: Indicates a time unit to count when the downlink control information obtained by randomization using the second-type identifier is not detected. For example, 0 indicates that the time unit is a radio frame (10 ms) and 1 indicates that the time unit is a radio superframe (1024 radio frames). Last five bits: indicate a period of time during which downlink control information obtained by randomization using the second-type identifier is not detected. For example, 11111 indicates 64 time units. 00000 indicates 0 time units. For example, when the first bit is 1 and the last five bits are 11111, it indicates that after receiving the activation information, the terminal device does not need to detect downlink control information, such as deactivation information, obtained by encryption using the second-type identifier within a time period of 64 subsequent radio superframes (i.e., 7*1024=71680ms). Based on the above methods and with reference to Fig. 3, after the network device sends the activation information to the terminal devices, the following step can also be included: S205: The network device sends the deactivation information to the terminal devices according to the second identifier, where the deactivation information is also used to indicate the deactivation of the semi-persistent configuration information for the multicast / cast service. Accordingly, the terminal device receives the deactivation information from the network device according to the second identifier. After sending the disable information according to the second identifier, the network device pauses sending the PDSCH to the terminal device via multicast / broadcast, based on the semi-persistent configuration information. Consequently, after receiving the disable information from the network device, the terminal devices pause receiving the PDSCH from the network device, also based on the semi-persistent configuration information. The second identifier is either the first-type identifier or the second-type identifier. Therefore, in this mode, the multicast / broadcast service data can be flexibly programmed through activation and deactivation information, and the air interface signaling can be reduced at the same time. Optionally, this modality's method also includes: S206: Terminal devices disable semi-persistent configuration information in accordance with the disablement information and / or determine, in accordance with the disablement information, that a multicast / broadcast communication mode of the terminal devices is changed from point-to-multipoint (point-to-multipoint, PTM) to point-to-point (point-to-point, PTP) communication mode. qj crnn / cznz / E / YiAi After receiving deactivation information from the network device, terminal devices deactivate the semi-persistent configuration information accordingly. For example, if the semi-persistent configuration information is deactivated, it is indicated by a flag bit. Upon receiving the deactivation information, the terminal device changes the flag bit to a value indicating that the semi-persistent configuration information is deactivated. Alternatively, after receiving the deactivation information from the network device, the terminal devices determine, based on the deactivation information, whether to change their multicast / broadcast communication mode from PTM to PTP. Optionally, after sending the deactivation information, the network device can send multicast / broadcast service data to the terminal device via PTP communication mode. Conversely, after receiving the deactivation information, the terminal device can receive multicast / broadcast service data from the network device via PTP communication mode. Therefore, in this mode, the indication of a change in the multicast / broadcast communication mode can be supported through the deactivation information. In an optional example, the deactivation information includes field information to indicate the deactivation of the semi-persistent configuration information. In an optional example, the deactivation information is downlink control information in a predefined format. For example, the deactivation information indicates whether to disable the semi-persistent configuration information through a format indicator field within the downlink control information. For example, the format indicator field is 0 or 1 to indicate that the downlink control information is the deactivation information. Based on the configuration shown in Figure 3, in a possible implementation of the S205 above, the second identifier is the second-type identifier, and the network device sends disable information to the terminal device group according to this second-type identifier. Consequently, each terminal device in the terminal device group receives the disable information from the network device based on the second-type identifier. In this implementation, the disable information received by each terminal device is obtained by encoding the second-type identifier (such as the GCS-RNTI) in the semi-static configuration information. The indication information for encoding the disable information using the second-type identifier is also included in the semi-static configuration above. qj crnn / cznz / E / YiAi Optionally, the deactivation information in this implementation also indicates changing all terminal devices belonging to the terminal device group from point-to-multipoint communication mode to point-to-point communication mode. Therefore, the network device can indicate to multiple terminal devices the deactivation of semi-persistent configuration information by sending the same deactivation information, which reduces the scheduling of signaling resources and saves air interface resources. In the implementation where the disable information is obtained by encoding it using the second-type identifier (such as the GCS-RNTI), the terminal device returns the second acknowledgment to the network device, which includes the following optional examples. The second acknowledgment is used to indicate whether the disable information was successfully received. If the second acknowledgment indicates that the disable information was not successfully received, the network device can retransmit the disable information to ensure that the terminal device receives it. In one possible example, if the activation information is encrypted using the first type identifier (such as CS-RNTI), the following two possible implementations are included. In a possible implementation, the activation information received by the terminal device includes PUCCH resource indication information and timing information. Accordingly, after receiving the activation information, the terminal device determines the PUCCH resource information from the second acknowledgment based on the PUCCH resource indication information from the activation information. For example, the semi-persistent configuration information includes total PUCCH resource information related to the terminal device. The terminal device determines a PUCCH resource indicated by the PUCCH resource indication information from the total PUCCH resource information and uses that determined PUCCH resource as the PUCCH resource information from the second acknowledgment.The terminal device further determines the timing information for the second acknowledgment based on the timing information for the activation information, using the activation information as the timing information for the second acknowledgment. Then, the terminal device sends the second acknowledgment to the network device according to the determined PUCCH resource and the timing information for the second acknowledgment. qj cenn / eznz / E / YiAi Accordingly, for each terminal device, the network device determines the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource indication information from the activation information; determines the timing information from the second receipt confirmation information according to the timing information from the activation information; and then receives the second receipt confirmation information from the terminal device according to the PUCCH resource information and the timing information from the second receipt confirmation information. In another possible implementation, the PDSCH-related information in the terminal device's semi-persistent configuration information includes: PUCCH resource information corresponding to the PDSCH, and the activation information includes timing information. Consequently, after receiving the activation information, the terminal device determines the PUCCH resource information from the second acknowledgment based on the corresponding PUCCH resource information in the semi-persistent configuration information. For example, the corresponding PUCCH resource information in the semi-persistent configuration information is determined as the PUCCH resource information from the second acknowledgment.The terminal device further determines the timing information for the second acknowledgment based on the timing information for the activation information, using the activation information as the timing information for the second acknowledgment. Then, the terminal device sends the second acknowledgment to the network device according to the determined PUCCH resource and the timing information for the second acknowledgment. Accordingly, for each terminal device, the network device determines the PUCCH resource information of the second acknowledgment receipt information according to the PUCCH resource information corresponding to the PDSCH in the semi-persistent configuration information; determines the timing information of the second acknowledgment receipt information according to the timing information of the activation information; and then receives the second acknowledgment receipt information from the terminal device according to the PUCCH resource information and the timing information of the second acknowledgment receipt information. In one possible example, the deactivation information obtained by encoding using the second-type identifier is further used to indicate that no feedback is required from the receipt confirmation information, which indicates whether the deactivation information was successfully received. Consequently, the terminal device does not send the receipt confirmation information to the network device. Optionally, the network device can send the deactivation information to the terminal devices multiple times consecutively, according to the second-type identifier, to ensure that the terminal devices receive the deactivation information. In a possible example, if the network device pre-configures a feedback resource for the receipt confirmation information for each terminal device, the terminal device can send the receipt confirmation information indicating whether the deactivation information (encoded using the second-type identifier) ​​is received, returning successfully according to the pre-configured feedback resource and the PUCCH resource indication information and the activation information timing information.For the specific implementation process, the implementation process of providing feedback on the first receipt confirmation information in accordance with the preconfigured feedback resource and the indication information of the PUCCH resource and the timing information of the activation information when the activation information is obtained by encoding using the second can be referenced to the type identifier in the previous modalities and will not be repeated here. Based on the configuration shown in Figure 3, in another possible implementation of the S205 above, the second identifier is the first-type identifier, such as the CS-RNTI. The network device sends the disable information to the terminal devices according to the terminal devices' respective first-type identifiers. Consequently, each terminal device receives the disable information from the network device according to its own first-type identifier. In this implementation, the disable information received by the terminal device is obtained by encoding it using the terminal device's first-type identifier (such as the terminal device's CS-RNTI). The indication information for encoding the disable information using the first-type identifier is also included in the semi-static configuration above. Optionally, the deactivation information in this implementation also indicates changing a terminal device that receives the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode. In this mode, the network device sends the deactivation information to each terminal device respectively, so that related information about the terminal device can be added to the deactivation information, which can increase the information contained in the deactivation information, increase the flexibility of flight scheduling interface resource, and improve the user experience. In the implementation where the deactivation information is obtained by encoding using the first-type identifier (such as the CS-RNTI) of the terminal device, the terminal device qj crnn / cznz / E / YiAi sends the second acknowledgment of receipt information to the network device, which includes the following possible implementations. The second acknowledgment of receipt information is used to indicate whether the deactivation information was successfully received. In a possible implementation, the deactivation information received by the terminal device includes PUCCH resource indication information and timing information. Accordingly, after receiving the deactivation information, the terminal device determines the PUCCH resource information from the second acknowledgment based on the PUCCH resource indication information from the activation information. For example, the semi-persistent configuration information includes total PUCCH resource information related to the terminal device. The terminal device determines a PUCCH resource indicated by the PUCCH resource indication information from the total PUCCH resource information and uses that determined PUCCH resource as the PUCCH resource information from the second acknowledgment.The terminal device further determines the timing information for the second acknowledge receipt based on the timing information for the deactivation information, using the deactivation information as the timing information for the second acknowledge receipt. Then, the terminal device sends the second acknowledge receipt to the network device according to the determined PUCCH resource and the timing information for the second acknowledge receipt. Accordingly, for each terminal device, the network device determines the PUCCH resource information of the second receipt acknowledgment information according to the PUCCH resource indication information of the deactivation information; determines the timing information of the second receipt acknowledgment information according to the timing information of the deactivation information; and then receives the second receipt acknowledgment information from the terminal device according to the PUCCH resource information and the timing information of the second receipt acknowledgment information. In another possible implementation, the PDSCH-related information in the terminal device's semi-persistent configuration information includes: PUCCH resource information corresponding to the PDSCH, and the deactivation information includes timing information. Consequently, after receiving the deactivation information, the terminal device determines the PUCCH resource information from the second acknowledgment based on the corresponding PUCCH resource information in the semi-persistent configuration information. For example, the PUCCH resource information qj crnn / cznz / E / YiAi corresponding to the PDSCH in the semi-persistent configuration information is determined as the PUCCH resource information from the second acknowledgment.The terminal device further determines the timing information for the second acknowledge receipt based on the timing information for the deactivation information, using the deactivation information as the timing information for the second acknowledge receipt. Then, the terminal device sends the second acknowledge receipt to the network device according to the determined PUCCH resource and the timing information for the second acknowledge receipt. Accordingly, for each terminal device, the network device determines the PUCCH resource information of the second acknowledgment receipt information according to the PUCCH resource information corresponding to the PDSCH in the semi-persistent configuration information; determines the timing information of the second acknowledgment receipt information according to the timing information of the deactivation information; and then receives the second acknowledgment receipt information from the terminal device according to the PUCCH resource information and the timing information of the second acknowledgment receipt information. Therefore, in this mode, the way to send the second confirmation information of receipt of the deactivation information to the network device is determined by means of the deactivation information, thus reducing signaling consumption, saving air interface resources and ensuring that each terminal device receives the deactivation information. The present application is described below in several specific modalities, where the network device is a base station, the terminal device is a UE, the first type identifier is a CS-RNTI and the second type identifier is a GCS-RNTI. as an example. In the initial implementation, the base station uses the CS-RNTI to encode activation information and the GCS-RNTI to encode deactivation information. Specifically, the following steps are involved. Step 1.1: The base station configures, for the UEs belonging to a UE group for a multicast / broadcast service, semi-persistent programming parameters for MBS transmission, which includes the following four elements: Configure an RNTI used to activate an SPS PDSCH for the MBS as a CS-RNTI; configure an RNTI used to deactivate the SPS PDSCH as a GCS-RNTI; Configure an RNTI for SPS PDSCH encoding as a G-RNTI; configure an SPS PDSCH association index value as SPS-ID. qj cenn / eznz / E / YiAi The CS-RNTI is a UE-based (UE-specific) RNTI, meaning that different UEs have different CS-RNTI values, and the base station distinguishes between UEs by programming different CS-RNTIs. A CS-RNTI usage includes at least one of the following: a use to activate the SPS PDSCH for the MBS; a use to switch from PTM communication mode to UE-based PTP communication mode; a use to relay the SPS PDSCH for the MBS. The G-RNTI is an RNTI for the MBS, and each service can correspond to one or more G-RNTIs. A G-RNTI value is used for a service data PDSCH encoding parameter, and multiple UEs within the same UE group use the same configured value. The GCS-RNTI here is an RNTI for the MBS, and each service can correspond to one or more GCS-RNTIs. A use of the GCS-RNTI includes at least one of the following: a use for indicating SPS PDSCH deactivation for MBS, or a use for switching from PTM communication mode to PTP communication mode for all UEs belonging to the same UE group. The SPS PDSCH association index (SPS-ID) value here is used to indicate a configuration number of a corresponding MBS (multicast / cast service) SPS PDSCH, and is to distinguish SPS PDSCHs when the base station configures multiple SPS PDSCHs (including unicast and multicast transmission). Step 1.2: The base station configures the SPS PDSCH information for the MBS to the UE. Configure an SPS transmission period: parameter p, a period unit can be milliseconds (ms) or time interval. Configure the total resources of a HARQ-ACK feedback channel. Configure a number for a HARQ-ACK feedback channel resource (ID PUCCH). The related PDSCH information involved in the above modalities may include the SPS-ID, the SPS transmission period, the total HARQ-ACK feedback channel resources, and the HARQ-ACK feedback channel resource number. Step 1.3: For each UE, the base station encodes a Physical Downlink Control Channel (PDCCH) using the UE's CS-RNTI and sends it to the corresponding UE, where the PDCCH carries the activation information. Step 1.4: The UE receives the PDCCH encoded by the CS-RNTI and activates the MBS SPS PDSCH. The meanings of the DCI fields carried by the PDCCH are shown in Table 1. qj crnn / cznz / E / YiAi TABLE 1 Information Field Serial Number Name Number of Bits Meaning 1 DCI Formats Indicator (DCI Formats) 1 Indicate downlink 2 Frequency Domain Resource Allocation Indicator (Frequency Domain Resource Allocation) Nb Used to indicate a bandwidth and position of a programmed PDSCH in a frequency domain,and an occupied bit width is related to a total maximum programmable bandwidth 3 Time Domain Resource Allocation Indicator (Time Domain Resource Allocation) 4 An indicator used to indicate a PDSCH programming time domain 4 Physical Resource Mapping Mode (VRB to PRB Mapping) 1 Interleaved or Non-Interleaved Indicator 5 Modulation Coding Scheme (Modulation and Coding Scheme) 5 Used to indicate a modulation order and channel coding rate adopted by the PDSCH 6 Redundancy Coding Version (Redundancy Version) 2 A data transmission redundancy version number, used for channel decoding and demodulation. 7 New Data Indication (NDI,(New data indication) 1 Represent the activation or deactivation of the SPS PDSCH 8 Downlink allocation index (Downlink allocation index) 2 Downlink scheduling counter 9 PUCCH power control parameter (TPC command for scheduled PUCCH) 2 Represent a power control parameter for the UE to send a PUCCH uplink channel 10 HARQ process number (HARQ process number) 4 Used to identify a HARQ process 11 PUCCH resource indicator (PUCCH resource indicator) 3 Indicate a PUCCH resource to provide HARQ-ACK feedback for this DCI command 12 HARQ feedback time indicator (PDSCH-aHARQ Feedback Time Indicator) 3 Indicate information to indicate the HARQ feedback time for this DCI command and a candidate SPS PDSCH qj cenn / eznz / E / YiAi When the following two fields (Redundancy Version Number and New Transmission Data Indication) of the DCI received by the UE meet the set values ​​(as shown in Table 2), the DCI is considered to be the activation information and is deemed to activate SPS PDSCH transmission of the SPS-ID configured as follows. qj crnn / cznz / E / YiAi TABLE 2 Field in DCI Adjusted Value Redundancy Version Number (Redundancy Version) All 0 New Transmission Data Indication (New Data Indication, NDI) 0 HARQ Process Number (HARQ Process ID) Configured SPS-ID Upon receiving the activation information above, the UE simultaneously receives the PDSCH programmed by the activation information, and a cipher code from the relevant PDSCH uses the GRNTI as a cipher code sequence. The relevant descriptions in Formula 1 and Formula 2 above can be referenced for details, which will not be repeated here. There is no corresponding control channel for sending and receiving the SPS PDSCH after activation, and an indication mode of a HARQ-ACK PUCCH feedback channel corresponding to the SPS PDSCH may include the following two modes. A first way: A PUCCH resource indicator value (PUCCH resource indicator) with HARQ-ACK feedback for the SPS PDSCH without control signaling adopts a PUCCH resource indicator (PUCCH resource indicator) with HARQ-ACK feedback included in the activation information encoded by the CS-RNTI. A HARQ-ACK feedback timing information value for the SPS PDSCH (PDSCH to HARQ feedback timing indicator) without control signaling adopts a HARQ-ACK feedback timing indicator (PDSCH to HARQ feedback timing indicator) included in the activation information encoded by the CS-RNTI. A second way: A PUCCH resource indicator value (PUCCH resource indicator) for HARQ-ACK feedback for the SPS PDSCH without control signaling adopts a formulated PUCCH resource when the base station preconfigures SPS PDSCH parameters for the UE. A HARQ-ACK feedback timing information value for the SPS PDSCH (PDSCH to HARQ feedback timing indicator) without control signaling adopts a HARQ-ACK feedback timing indicator (PDSCH to HARQ feedback timing indicator) included in the activation information encoded by the CS-RNTI. Step 1.5: The base station encodes a PDCCH using the GCS-RNTI and sends it to the UE, where the PDCCH carries the deactivation information. Step 1.6: The UE deactivates the MBS SPS PDSCH after receiving the previous PDCCH encoded by the GCS-RNTI. The DCI fields carried by the PDCCH are shown in Table 1. When the following four fields (redundancy version number, new transmission data indication, frequency domain resource allocation indicator, modulation scheme and encoding) of the DCI received by the UE meet the set values ​​(as shown in Table 3), the DCI is considered to be the deactivation information, and the SPS PDSCH transmission of the SPS-ID configured as follows is considered to be deactivated, and / or the transmission mode of the SPS PDSCH of the SPS-ID configured as follows is considered to be changed from PTM to PTP (and all UEs within the UE group corresponding to the GCS-RNTI are changed from PTM to PTP). When determining whether the DCI is the deactivation information, the UE adds the determination of the frequency domain resource allocation indicator and the modulation and coding scheme based on determining the redundant version number and the new transmission data indication. Alternatively, the modulation and coding scheme values ​​are all 1, and the frequency domain resource allocation indicator is all 0, to represent the deactivation information. qj crnn / cznz / E / YiAi TABLE 3 DCI Field Adjusted Value Redundancy Version Number (Redundancy Version) All 0 New Data Indication (NDI, New Data Indication) 0 HARQ Process Number (HARQ Process ID) SPS-ID Configured Frequency Domain Resource Allocation Indicator (Frequency Domain Resource Allocation) All 1 Modulation Coding Scheme (Modulation and Coding Scheme) All 1 Optionally, given that the GCS-RNTI encodes the INN, the INN Formats Indicator field can also be used to indicate whether the INN is the deactivation information. For example, setting the INN Formats Indicator field to 0 or 1 can indicate that the INN is the deactivation information. Optionally, in a possible implementation, the UE may not send HARQ-ACK of the deactivation information to the base station after receiving the deactivation information encoded by the GCS-RNTI. Alternatively, the PUCCH resource indication field and the HARQ feedback timing indication field included in the GCS-RNTI-encoded deactivation information may be invalid. Or, the PUCCH resource indication field and the HARQ feedback timing indication field included in the GCS-RNTI-encoded deactivation information may not carry any information. In another possible implementation, the UE can return the HARQ-ACK of the disable information to the base station after receiving the disable information encrypted by the GCS-RNTI, and the PUCCH resource indicator (PUCCH resource indicator) and timing information (PDSCH-to-HARQJfeedback timing indicator) of the HARQ-ACK include the following two implementations. A first way: A value of a HARQ-ACK feedback PUCCH resource indicator (PUCCH resource indicator) for deactivation information adopts a HARQ-ACK feedback PUCCH resource indicator (PUCCH resource indicator) included in the activation information (obtained by encoding using the CS-RNTI). A value of an HARQ-ACK feedback time indicator (PDSCH to HARQ feedback time indicator) for the deactivation information adopts a HARQ-ACK feedback time indicator (PDSCH to HARQ feedback time indicator) included in the activation information. A second way: A PUCCH resource indicator value (PUCCH resource indicator) for HARQ-ACK feedback for deactivation information adopts a PUCCH resource formulated when the base station preconfigures SPS PDSCH parameters for the UE. A value of the HARQ-ACK feedback timing information (PDSCH to HARQ feedback timing indicator) for the deactivation information adopts a HARQ-ACK feedback timing indicator (PDSCH to HARQ feedback timing indicator) included in the activation information (obtained by encoding using the CS-RNTI). It should be noted that a sequence of steps 1.1 to 1.6 in this implementation may not be limited to the sequence shown above. qj cenn / eznz / E / YiAi In this implementation, CS-RNTI is used to encode the activation information, GCS-RNTI is used to encode the deactivation information, and the deactivation information encoded using GCS-RNTI can support switching all UEs in the UE group from PTM to PTP. The activation information can be based on information indicating a HARQ PUCCH feedback channel from the SPS PDSCH, which can resolve a HARQ-ACK feedback channel indication problem for multicast / cast using the previous technique, reduce the amount of protocol modification, and decrease the complexity of the UE and the base station device. Furthermore, the deactivation information is the DCI encoded using G-RNTI, which can be implemented using a single signaling step, reducing scheduling signaling consumption and saving air interface resources. In a second implementation, the base station uses the CS-RNTI to encode the activation information and the CS-RNTI to encode the deactivation information. Specifically, the following steps are included. Step 2.1: The base station configures, for the UEs belonging to a UE group for MBS, semi-persistent programming parameters for the MBS, which includes the following three elements: Configure an RNTI used to activate and deactivate an SPS PDSCH for the MBS as a CS-RNTI; Configure an RNTI for SPS PDSCH encoding as a G-RNTI. Configure an SPS PDSCH association index value as SPS-ID. The CS-RNTI is a UE-based (UE-specific) RNTI, meaning that different UEs have different CS-RNTI values, and the base station distinguishes between UEs by programming different CS-RNTIs. A use of the CS-RNTI includes at least one of the following: a use to activate the SPS PDSCH for the MBS; a use to disable the SPS PDSCH for the MBS; a use to relay the SPS PDSCH for the MBS. The G-RNTI is an RNTI for the MBS, and each service can correspond to one or more G-RNTIs. A G-RNTI value is used for dynamic scheduling of the MBS and for a service data PDSCH encryption parameter. Multiple UEs within the same UE group use the same configured value. The SPS PDSCH association index (SPS-ID) value here is used to indicate a configuration number of a corresponding MBS SPS PDSCH, and is to distinguish SPS PDSCH when the base station configures multiple SPS PDSCHs. Step 2.2: The base station configures the SPS PDSCH information for the MBS to the UE. Configure an SPS transmission period: parameter p, a period unit qj cenn / eznz / E / YiAi can be milliseconds (ms) or time interval. Configure the total resources of a HARQ-ACK feedback channel. Configure a number for a HARQ-ACK feedback channel resource (ID PUCCH). Step 2.3: For each UE, the base station encrypts a PDCCH using the UE's CS-RNTI and sends it to the corresponding UE, where the PDCCH carries the activation information. Step 2.4: The UE receives a PDCCH encoded by the CS-RNTI and activates the MBS SPS PDSCH. The relevant description of steps 1.3 and 1.4 in the first implementation can be consulted for a relevant description of steps 2.3 and 2.4, which will not be repeated here. Step 2.5: The base station encodes a PDCCH using the CS-RNTI of each UE and sends it to the corresponding UE, where the PDCCH carries the deactivation information. Step 2.6: The UE deactivates the MBS SPS PDSCH after receiving the PDCCH randomized by the UE CS-RNTI. Reference can be made to the relevant description in step 1.6 of the first implementation regarding how the UE determines that the received DCI is the deactivation information, which will not be repeated here. In this implementation, the deactivation information is obtained by encoding it using the CS-RNTI, and the PUCCH resource indicator field and the HARQ feedback timing indicator field in the deactivation information are valid fields. After receiving the deactivation information encoded using the CS-RNTI, the UE can send HARQ-ACK for the deactivation information to the base station, and the PUCCH resource indicator and timing information (PDSCH-to-HARQ_feedback timing indicator) of the HARQ-ACK are included in the following two implementations. A first way; A PUCCH resource indicator value (PUCCH resource indicator) with HARQ-ACK feedback for deactivation information adopts a PUCCH resource indicator (PUCCH resource indicator) with HARQ-ACK feedback included in the deactivation information. A value of an HARQ-ACK feedback time indicator (PDSCH to HARQ feedback time indicator) for the deactivation information adopts a HARQ-ACK feedback time indicator (PDSCH to HARQ feedback time indicator) included in the activation information. A second way: A PUCCH resource indicator value (PUCCH resource indicator) for HARQ-ACK feedback for deactivation information adopts a PUCCH resource qj crnn / cznz / E / YiAi formulated when the base station preconfigures the SPS PDSCH parameter for the UE. A HARQ-ACK feedback time information value (PDSCH to HARQ feedback time indicator) for the deactivation information adopts a HARQ-ACK feedback time indicator (PDSCH to HARQ feedback time indicator) included in the deactivation information. It should be noted that a sequence of steps 2.1 to 2.6 in this implementation may not be limited to the sequence shown above. In this implementation, CS-RNTI is used to encode the activation information and CS-RNTI is used to encode the deactivation information. Both the activation and deactivation information reference an existing process, which reduces the amount of protocol modification and the complexity of the UE and the base station device. In a third implementation, the base station uses the GCS-RNTI to encode the activation information and the GCS-RNTI to encode the deactivation information. Specifically, the following steps are included. Step 3.1: The base station configures, for the UEs belonging to a UE group for MBS, semi-persistent programming parameters for the MBS, which includes the following three elements: Configure an RNTI used to activate and deactivate an SPS PDSCH for the MBS as a CS-RNTI; Configure an RNTI for SPS PDSCH encoding as a G-RNTI; Configure an SPS PDSCH association index value as SPS-ID. The CS-RNTI is a UE-based (UE-specific) RNTI, meaning that different UEs have different CS-RNTI values, and the base station distinguishes between UEs by programming different CS-RNTIs. A use of the CS-RNTI includes at least one of the following: a use to activate the SPS PDSCH for the MBS; a use to switch from PTM communication mode to UE-based PTP communication mode; a use to relay the SPS PDSCH for the MBS. The G-RNTI is an RNTI for the MBS, and each service can correspond to one or more G-RNTIs. A G-RNTI value is used for dynamic scheduling of the MBS and for a service data PDSCH encryption parameter. Multiple UEs within the same UE group use the same configured value. The GCS-RNTI here is a UE group RNTI for the MBS. UEs in the same UE group or receiving the same MBS have the same GCS-RNTI value. A use of the GCS-RNTI includes at least one of the following: qj crnn / cznz / E / YiAi a use to activate the SPS PDSCH for the MBS; a use to disable the SPS PDSCH for the MBS; a use to relay the SPS PDSCH for the MBS. The SPS PDSCH association index (SPS-ID) value here is used to indicate a configuration number of a corresponding MBS SPS PDSCH, and is to distinguish SPS PDSCH when the base station configures multiple SPS PDSCHs. Step 3.2: The base station configures the SPS PDSCH information for the MBS to the UE. Configure an SPS transmission period: parameter p, a period unit can be milliseconds (ms) or time interval. Configure the total resources of a HARQ-ACK feedback channel. Configure a number for a HARQ-ACK feedback channel resource (ID PUCCH). Step 3.3: The base station encrypts a PDCCH using the GCS-RNTI and sends it to the UE, where the PDCCH carries the activation information. Step 3.4: The UEs receive the PDCCH randomized by the GCS-RNTI and activate the MBS SPS PDSCH. Reference can be made to the relevant description in step 1.4 of the first implementation regarding how the UE determines that the received DCI is the activation information, which will not be repeated here. Optionally, to reduce power consumption caused by the UE's blind detection of the control channel, an information indication can be added to the DCI. This information, called "Deactivation Information," indicates that the UE does not need to detect the deactivation information within a certain time, or that the UE detects the deactivation information on a specific PDCCH detection opportunity. This results in a power-saving effect for the UE. Optionally, the HARQ feedback for the MBS SPS PDSCH can be divided into the following cases. Case 1: If RRC does not configure the HARQ-ACK feedback resource for the UE, or if the RRC-configured HARQ feedback is disabled, the UE does not need to provide HARQ-ACK information or indication bit information (including the PUCCH resource). The HARQ-ACK feedback timing indication in the DCI can be used to indicate that DCI detection is not required. Case 2: If RRC configures the HARQ-ACK feedback resource, the UE can provide HARQ-ACK feedback information according to the bit information (including the PUCCH resource indication, the HARQ feedback timing indication) in the qj crnn / cznz / E / YiAi configuration RRC and in the DCI. In case 2, the base station configures the following N PUCCH resources to the UE via a higher-layer message, which mainly include the following: a PUCCH format, an initial RB position, an initial symbol and symbol length, the initial cyclic shift number, the number of orthogonal sequences, and a UE feedback index. You can refer to the description in the related modalities above to learn how to calculate and obtain the PUCCH channel number based on the above, which will not be repeated here. Step 3.5: The base station encodes a PDCCH using the GCS-RNTI and sends it to the UEs, where the PDCCH carries the deactivation information. Step 3.6: The UEs deactivate the MBS SPS PDSCH after receiving the PDCCH randomized by the GCS-RNTI. The relevant descriptions of steps 1.5 and 1.6 can be found for steps 3.5 and 3.6, which will not be repeated here. It should be noted that a sequence of steps 3.1 to 3.6 in this implementation may not be limited to the sequence shown above. In this implementation, the GCS-RNTI is used to encode the arming information, the GCS-RNTI is used to encode the deactivation information, and the absence of detection indication is supported. The arming and deactivation information is the DCI encoded using the GCS-RNTI, which can be implemented using a single signaling, reducing programming signaling consumption and saving air interface resources. On the terminal side, one embodiment of the present application provides a semi-persistent programming apparatus for a multicast / broadcast service. As shown in Figure 4, the semi-persistent programming apparatus for a multicast / broadcast service in this embodiment may be a terminal device, and the semi-persistent programming apparatus for a multicast / broadcast service may include a transceiver 401, a processor 402, and a memory 403. Transceiver 401 is configured to receive and send data under the control of processor 402. In FIG. 4, a bus architecture can include any number of interconnected buses and bridges, and connects various circuits, including one or more processors represented by processor 402 and memory represented by memory 403. The bus architecture can also connect various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not described in further detail herein. A bus interface provides a connection. The transceiver 401 can be multi-element, including a transmitter and a receiver, and provide a unit for communication with various other devices on the transmission medium. These transmission media include a wireless channel, a wired channel, an optical cable, and other transmission media.Optionally, the semi-persistent programming device for a multicast / broadcast service may also include a 404 user interface. For different user teams, the 404 user interface may also be an interface capable of connecting externally and internally with the required devices, and the connected devices include, for example, a keyboard, a display, a speaker, a microphone, and a joystick. The 402 processor is responsible for managing the bus architecture and general processing, and the 403 memory can store data used by the 402 processor when it performs operations. Optionally, the 402 processor can be a central processing unit (CPU), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD), and the processor can also adopt a multi-core architecture. By calling a computer program stored in memory 403, the processor 402 is configured to execute any of the terminal device-related methods provided by the modalities of this application in accordance with the executable instructions obtained. The processor and memory may also be physically separate. Specifically, the 402 processor is configured to perform the following operations. to store semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information of a PDSCH for multicast / broadcast service transmission; receive network device activation information according to the first identifier, wherein the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, wherein the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / cast service to which a terminal device belongs; receive the PDSCH from the network device according to the activation information and qj crnn / cznz / E / YiAi semi-persistent configuration information, in which the PDSCH carries multicast / cast service data. Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, the 402 processor also performs the following operations: Before receiving the PDSCH from the network device, activate the semi-persistent configuration information according to the activation information. Optionally, the 402 processor also performs the following operations: After receiving the PDSCH from the network device according to the activation information and semi-persistent configuration information, send the first acknowledge receipt information to the network device, where the first acknowledge receipt information is used to indicate whether the PDSCH was successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; Sending the first confirmation of receipt information to the network device includes: determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Send the first receipt confirmation information to the network device according to the PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; qj crnn / cznz / E / YiAi the processor 402 also executes the following operations: receive deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the 402 processor also performs the following operations: deactivate semi-persistent configuration information in accordance with the deactivation information; and / or, determine, in accordance with the deactivation information, that a multicast / broadcast communication mode of the terminal device is changed from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the second identifier is the first type identifier, the deactivation information further indicates to change a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the activation information comprises timing information; The 402 processor also performs the following operations: After receiving the network device deactivation information according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource information corresponding to the PDSCH; Determine the timing information of the first receipt confirmation information qj cenn / eznz / E / YiAi according to the timing information of the activation information; send the second receipt confirmation information to the network device according to the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, the first identifier is obtained by encoding the first-type identifier, and the activation information includes PUCCH resource indication information and timing information; The 402 processor also performs the following operations: After receiving the network device deactivation information according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Send the second receipt confirmation information to the network device in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. It should be noted here that the apparatus provided by this application can implement all the steps of the method implemented by the terminal device in the previous method modalities and can achieve the same technical effects. The portion of this modality that is identical to the method modalities and the beneficial effects will not be described in detail here. On the network side, one embodiment of this application provides a semi-persistent scheduling apparatus for a multicast / broadcast service. As shown in Figure 5, the semi-persistent scheduling apparatus for a multicast / broadcast service in this embodiment may be a network device, and the semi-persistent scheduling apparatus for a multicast / broadcast service may include a transceiver 501, a processor 502, and a memory 503. qj crnn / cznz / E / YiAi Transceiver 501 is configured to receive and send data under the control of processor 502. In Figure 5, a bus architecture can include any number of interconnected buses and bridges, and connects various circuits, including one or more processors represented by processor 502 and memory represented by memory 503. The bus architecture can also connect various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not described in further detail herein. A bus interface provides a connection. Transceiver 501 can be multi-element, including a transmitter and a receiver, and provide a unit for communication with various other devices on the transmission medium. These transmission media include a wireless channel, a wired channel, an optical cable, and other transmission media.Processor 502 is responsible for managing the bus architecture and general processing, and memory 503 can store data used by processor 502 when it performs operations. The 502 processor can be a CPU, an ASIC, an FPGA, or a CPLD, and the processor can also adopt a multi-core architecture. By calling a computer program stored in memory 503, the processor 502 is configured to execute any of the network device-related methods provided by the modalities of this application in accordance with the executable instructions obtained. The processor and memory may also be physically separate. Specifically, the 502 processor is configured to perform the following operations. sending semi-persistent configuration information for a multicast / broadcast service to N terminal devices, wherein the N terminal devices belong to the same group of terminal devices for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information of each terminal device comprises a first identifier and related information of a PDSCH for the transmission of the multicast / broadcast service; send activation information to terminal devices N according to the first identifier, where the first identifier is a first-type identifier or second-type identifier, the first-type identifier is used to identify the multicast / cast service terminal device group to which a terminal device belongs and where the activation information is used to indicate the activation of the information to indicate the semi-persistent configuration information; send the PDSCH to the N terminal devices by multicast / cast qj crnn / cznz / E / YiAi according to the semi-persistent configuration information, wherein the PDSCH carries multicast / cast service data. Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, the 502 processor also performs the following operations: After sending the PDSCH to the N terminal devices via multicast / broadcast, receive the first acknowledgment of receipt information from the N terminal devices respectively, wherein the first acknowledgment of receipt information is used to indicate whether the PDSCH was successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; Receiving the first confirmation information from the N terminal devices includes: determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Receive the first receipt confirmation information from terminal devices in accordance with PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; The 502 processor also performs the following operations: send deactivation information from the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation qj cenn / eznz / E / YiAi of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the deactivation information is also used to indicate the change of a terminal device's multicast / broadcast communication mode from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the deactivation information is obtained by decoding according to the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the first type identifier, the deactivation information further indicates changing a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, the second identifier is the second type identifier; the deactivation information is further used to indicate that it is not necessary to provide feedback to the second receipt confirmation information, wherein the second receipt confirmation information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the activation information comprises timing information; The 502 processor also performs the following operations: After sending the deactivation information to the N terminal devices according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource information corresponding to the PDSCH; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Receive the second receipt confirmation information from terminal devices in accordance with PUCCH resource information and qj crnn / cznz / E / YiAi timer information, the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; The 502 processor also performs the following operations: After sending the deactivation information of the N terminal devices according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; receive the second receipt confirmation information sent from terminal devices in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. It should be noted here that the aforementioned device provided by this application can implement all the steps of the method implemented by the network device in the previous method modalities and can achieve the same technical effects. The aspects of this modality that are identical to the method modalities and their beneficial effects will not be described in detail here. On the terminal side, one embodiment of the present application further provides a semi-persistent scheduling apparatus for a multicast / broadcast service. As shown in Figure 6, the semi-persistent scheduling apparatus for a multicast / broadcast service in this embodiment may be a terminal device, and the semi-persistent scheduling apparatus for a multicast / broadcast service includes a receiving unit 601. Optionally, the semi-persistent scheduling apparatus for a multicast / broadcast service further includes a processing unit 602. Optionally, the semi-persistent scheduling apparatus for a multicast / broadcast service further includes a transmitting unit 603. The 601 receiving unit is configured to: receive semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information from a PDSCH for multicast / broadcast service transmission; receive activation information from the network device according to the first identifier, wherein the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, wherein the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs;receive the PDSCH from the network device according to the activation information and semi-persistent configuration information, in which the PDSCH carries multicast / cast service data.; Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, the 602 processing unit is configured to activate semi-persistent configuration information based on the activation information before the receiving unit receives the PDSCH from the network device. Optionally, the transmitting unit 603 is configured to send first receive acknowledgment information to the network device after the receiving unit 601 receives the PDSCH from the network device in accordance with the activation information and semi-persistent configuration information, where the first receive acknowledgment information is used to indicate whether the PDSCH is successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; The 603 transmitter unit is specifically configured for: determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first confirmation information qj crnn / cznz / E / YiAi of receipt according to the timing information of the activation information; Send the first receipt confirmation information to the network device according to the PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; The receiving unit 601 is configured to receive deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the 602 processing unit is configured to disable semi-persistent configuration information based on the disablement information; and / or determine, based on the disablement information, that a multicast / broadcast communication mode of the terminal device is changed from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the second identifier is the first type identifier, the deactivation information further indicates to change a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises information from qj cenn / eznz / E / YiAi PUCCH resources corresponding to the PDSCH, the first identifier is the first type identifier and the activation information comprises timing information; The transmitting unit 603 is further configured to: after the receiving unit receives the network device deactivation information according to the second identifier, determine the PUCCH resource information from the second acknowledgment information according to the PUCCH resource information corresponding to the PDSCH; determine the timing information of the second acknowledgment information according to the timing information of the activation information; send the second acknowledgment information to the network device according to the PUCCH resource information and the timing information of the second acknowledgment information, where the second acknowledgment information is used to indicate whether the deactivation information is successfully received. Optionally, the first identifier is obtained by encoding the first-type identifier, and the activation information includes PUCCH resource indication information and timing information; The transmitting unit 603 is further configured to: after the receiving unit receives the deactivation information from the network device according to the second identifier, determine the PUCCH resource information from the second acknowledgment information according to the PUCCH resource information from the activation information; determine the timing information from the second acknowledgment information according to the timing information from the activation information; send the second acknowledgment information to the network device according to the PUCCH resource information and the timing information from the second acknowledgment information, where the second acknowledgment information is used to indicate whether the deactivation information is successfully received. Optionally, a PDSCH reception completion time as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. It should be noted here that the apparatus provided by this application can implement all the steps of the method implemented by the terminal device in the previous method modalities and can achieve the same technical effects. The portion of this modality that is identical to the method modalities and the beneficial effects will not be described in detail here. qj crnn / cznz / E / YiAi On the network side, one embodiment of this application further provides a semi-persistent scheduling apparatus for a multicast / broadcast service. As shown in Figure 7, the semi-persistent scheduling apparatus for a multicast / broadcast service in this embodiment may be a network device, and the semi-persistent scheduling apparatus for a multicast / broadcast service includes a transmitting unit 701. Optionally, the semi-persistent scheduling apparatus for a multicast / broadcast service further includes a receiving unit 702. The transmitting unit 701 is configured to: send semi-persistent configuration information for a multicast / broadcast service to N terminal devices, wherein the N terminal devices belong to the same terminal device group for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information for each terminal device comprises a first identifier and related information of a shared physical downlink channel (PDSCH) for the transmission of the multicast / broadcast service;Send activation information to the N terminal devices according to the first identifier, where the first identifier is a first-type identifier or a second-type identifier, the first-type identifier being used to identify a terminal device, and the second-type identifier being used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs, and wherein the activation information is used to indicate the activation of the semi-persistent configuration information; Send the PDSCH to the N terminal devices by multicast / broadcast according to the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. Optionally, a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier. Optionally, the receiving unit 702 is further configured to receive the first acknowledgement information from the N terminal devices respectively after the transmitting unit 701 sends the PDSCH to the N terminal devices by multicast / broadcast in accordance with the semi-persistent configuration information, where the first acknowledgement information is used to indicate whether the PDSCH was successfully received. qj crnn / cznz / E / YiAi Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; The 702 receiver unit is specifically configured for: determine PUCCH resource information from the first receipt confirmation information in accordance with the PUCCH resource indication information from the activation information; determine the timing information of the first receipt confirmation information according to the timing information of the activation information; Receive the first receipt confirmation information from terminal devices in accordance with PUCCH resource information and the timing information of the first receipt confirmation information. Optionally, the first identifier is the second-type identifier, and the activation information is further used to indicate that downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. Optionally, the semi-persistent configuration information includes a second identifier, and the second identifier is used to encode the deactivation information; The transmitting unit 701 is further configured to send the deactivation information to the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; where the second identifier is either the first-type identifier or the second-type identifier. Optionally, the deactivation information is also used to indicate the change of a terminal device's multicast / broadcast communication mode from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, if the deactivation information is obtained by decoding according to the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the terminal device group from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the first type identifier, the deactivation information further indicates changing a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; If the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the group of qj crnn / cznz / E / YiAi terminal devices from a point-to-multipoint communication mode to a point-to-point communication mode. Optionally, the deactivation information is downlink control information in a preset format. Optionally, if the second identifier is the second type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second acknowledgment of receipt information, wherein the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier is the first type identifier and the activation information comprises timing information; The receiving unit 702 is configured to: after the transmitting unit 701 sends the deactivation information to the N terminal devices according to the second type identifier, determine the PUCCH resource information of the second acknowledgment of receipt information according to the PUCCH resource information corresponding to the PDSCH; determine the timing information of the second acknowledgment of receipt information according to the timing information of the activation information; receive the second acknowledgment of receipt information from the terminal devices according to the PUCCH resource information and the timing information of the second acknowledgment of receipt information, where the second acknowledgment of receipt information is used to indicate whether the deactivation information is successfully received. Optionally, the first-type identifier and activation information includes PUCCH resource indication information and timing information; The receiving unit 702 is configured to: after the transmitting unit 701 sends the deactivation information to the N terminal devices according to the second identifier, determine the PUCCH resource information from the second receipt confirmation information according to the PUCCH resource indication information from the activation information; determine the timing information from the second receipt confirmation information according to the timing information from the activation information; receive the second receipt confirmation information sent from the terminal devices according to the PUCCH resource information and the timing information from the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information is successfully received. Optionally, a PDSCH reception completion time as qj crnn / cznz / E / YiAi deactivation information reception completion time to determine PUCCH resource information from the second reception confirmation information. Optionally, the first identifier is used to encrypt the activation information. Optionally, the second identifier is used to encrypt the deactivation information. It should be noted here that the aforementioned device provided by this application can implement all the steps of the method implemented by the network device in the previous method modalities and can achieve the same technical effects. The aspects of this modality that are identical to the method modalities and their beneficial effects will not be described in detail here. It should be noted that the division of units in the modalities of this application is schematic and is only a logical functional division, and other division methods may exist in actual implementation. Furthermore, the functional units in the modalities of this application may be integrated into a processing unit, or each unit may exist separately physically, or two or more units may be integrated into a single unit. The aforementioned integrated unit may be implemented in hardware form or as a software functional unit. If implemented as a functional software unit and sold or used as a standalone product, the integrated unit may be stored on a processor-readable storage medium. Based on this understanding, the technical solution of this application, essentially or a part thereof that contributes to prior art, or all or part of the technical solutions, may be represented in the form of a software product. The computer software product is stored on a storage medium and includes various instructions for causing a computing device (which may be a personal computer, a server, a network device, etc.) or a processor to perform all or part of the steps of the methods described in the modalities of this application.The aforementioned storage media includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, an optical disk, or other media that can store program code. On the terminal side, one modality of this application provides a processor-readable storage medium. The processor-readable storage medium stores a computer program, and the computer program is used to cause a processor to execute any of the terminal-related methods provided by the modality of this application. The processor can implement all the method steps implemented by the terminal device in the modality of the preceding method and can achieve the same technical effects. The portion of this modality that is equivalent to the modality of the method and the beneficial effects will not be described in detail herein. On the network side, one embodiment of this application provides a processor-readable storage medium. The processor-readable storage medium stores a computer program, and the computer program is used to cause a processor to execute any of the network device-related methods provided by the embodiments of this application. The processor can implement all the steps of the method implemented by the network device in the embodiments of the preceding method and can achieve the same technical effects. The portion of this embodiment that is equivalent to the embodiments of the method and the beneficial effects will not be described in detail herein. The processor-readable storage medium can be any available medium or data storage device that the processor can access, including, but not limited to, magnetic memory (such as a floppy disk, hard disk, magnetic tape, magneto-optical disk (MO)), optical memory (such as a CD, DVD, BD, HVD, etc.) and semiconductor memory (such as a ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc. Those skilled in the art should understand that the modalities of this application may be provided as methods, systems, or computer program products. Therefore, this application may take the form of hardware modalities, software modalities, or modalities that combine software and hardware. Furthermore, this application may take the form of a computer program product implemented on one or more computer storage media (including, for example, disk storage, optical storage, etc.) that contains computer program code. This application is described with reference to flowcharts and / or diagrams of methods, apparatus, and computer program products in accordance with the description. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and combinations of flows and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer-executable instructions.These computer-executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to produce a machine for which an apparatus to implement the functions specified in one or more flows of the flowcharts and / or one or more blocks of the block diagrams is produced by instructions executed by the computer processor or other programmable data processing devices. These processor-executable instructions can also be stored in processor-readable memory that can guide a computer or other programmable data processing devices to function in a specific way so that the instructions stored in processor-readable memory produce a manufactured product that includes an instruction apparatus and the instruction apparatus implements specific functions in one or more flowcharts and / or one or more blockcharts. These processor-executable instructions can also be loaded into a computer or other programmable data processing devices, so that a series of operation steps are executed on the computer or other programmable devices to produce the computer-implemented processing, and thus the instructions executed by the computer or other programmable devices provide the steps to implement the functions specified 10 in one or more flows of the flowcharts and / or one or more blocks of the block diagrams. Obviously, those skilled in the art may make various modifications and variations to this application without departing from its scope and spirit. Therefore, if these modifications and variations fall within the scope of the claims herein and their equivalent technology, this application also intends to incorporate them.

Claims

1. A semi-persistent scheduling method for a multicast / broadcast service, comprising: receiving, by a terminal device, semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information of a shared downlink physical channel (PDSCH) for multicast / broadcast service transmission;to receive, by the terminal device, activation information from the network device according to the first identifier, where the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, where the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs; to receive, by the terminal device, the PDSCH from the network device according to the activation information and the semi-persistent configuration information, where the PDSCH carries multicast / broadcast service data.

2. The method according to claim 1, further characterized in that the first type identifier is a configured programming radio network temporary identifier (CS-RNTI).

3. The method according to claim 1, further characterized in that the second type identifier is a group configured radio network programming temporary identifier (GCS-RNTI).

4. The method according to claim 1, further characterized in that a PDSCH randomization sequence is obtained according to the second type identifier, or the semi-persistent configuration information further comprises a third type identifier, wherein the third type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third type identifier.

5. The method according to claim 4, further characterized in that the third type identifier is a Group Radio Network Temporary Identifier (G-RNTI) or a GCSRNTI.

6. The method in accordance with any of claims 1 to 5, further characterized in that before receiving, by the terminal device, the PDSCH from the network device, the method further comprises: activating, by means of the terminal device, the information of qj crnn / cznz / E / YiAi semi-persistent configuration in accordance with the activation information.

7. The method according to claim 6, further characterized in that receiving, by means of the terminal device, the activation information of the network device comprises: receiving, by the terminal device, the activation information that is sent by the network device to the terminal device several times according to the second type identifier.

8. The method according to any of claims 1 to 5, further characterized in that after receiving, by the terminal device, the PDSCH from the network device according to the activation information and the semi-persistent configuration information, the method further comprises: sending, by the terminal device, the first acknowledgment of receipt information to the network device, wherein the first acknowledgment of receipt information is used to indicate whether the PDSCH is successfully received.

9. The method according to claim 8, further characterized in that after sending, by the terminal device, the first receipt confirmation information to the network device, the method further comprises: receiving, by the terminal device, PDSCH retransmission programming information from the network device, wherein the programming information is encoded by a CS-RNTI or a GCS-RNTI.

10. The method according to claim 8, further characterized in that the first identifier is the identifier of the first type, and the activation information comprises physical uplink control channel (PUCCH) resource indication information and timing information; sending, by means of the terminal device, the first acknowledgment of receipt information to the network device comprises: determining, by the terminal device, PUCCH resource information of the first acknowledgment of receipt information in accordance with the PUCCH resource indication information of the activation information; determining, by the terminal device, the timing information of the first acknowledgment of receipt information in accordance with the timing information of the activation information;send, via the terminal device, the first receipt confirmation information to the network device in accordance with the PUCCH resource information and the timing information of the first receipt confirmation information.; 11. The method according to any of claims 1 to 5, further characterized in that the first identifier is the second-type identifier, and the activation information is further used to indicate that the downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time.

12. The method according to any of claims 1 to 5, further characterized in that the first identifier is used to encode the activation information. qj cenn / eznz / E / YiAi 13. The method according to any of claims 1 to 5, further characterized in that the semi-persistent configuration information comprises a second identifier, and the method further comprises: receiving, by the terminal device, deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; wherein the second identifier is either the first-type identifier or the second-type identifier.

14. The method according to claim 13, further characterized in that receiving, by means of the terminal device, the deactivation information of the network device in accordance with the second identifier comprises: receiving, by the terminal device, the deactivation information that is sent by the network device to the terminal device several times according to the second identifier.

15. The method according to claim 13, further characterized in that the second identifier is used to encode the deactivation information.

16. The method according to claim 13, further characterized in that the method further comprises: deactivating, by means of the terminal device, the semi-persistent configuration information in accordance with the deactivation information; and / or determining, by the terminal device in accordance with the deactivation information, that a multicast / broadcast communication mode of the terminal device is changed from a point-to-multipoint communication mode to a point-to-point communication mode. 17.- The method according to claim 16, further characterized in that, if the second identifier is the identifier of the first type, the deactivation information further indicates changing a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; if the second identifier is the identifier of the second type, the deactivation information further indicates changing terminal devices belonging to the group of terminal devices from a point-to-multipoint communication mode to a point-to-point communication mode.

18. The method according to claim 13, further characterized in that the deactivation information is downlink control information in a pre-established format.

19. The method according to claim 13, further characterized in that if the second identifier is the second-type identifier, the deactivation information is further used to indicate that it is not necessary to provide feedback to the second receipt confirmation information, wherein the second receipt confirmation information is used to indicate whether the deactivation information is successfully received. qj cenn / eznz / E / YiAi 20. The method according to claim 13, further characterized in that the related PDSCH information comprises PUCCH resource information corresponding to the PDSCH, the first identifier being the first-type identifier, and the deactivation information comprising timing information; after receiving, from the terminal device, the deactivation information from the network device according to the second identifier, the method further comprises: determining, by the terminal device, the PUCCH resource information of the second acknowledgment of receipt information in accordance with the PUCCH resource information corresponding to the PDSCH; determining, by the terminal device, the timing information of the second acknowledgment of receipt information in accordance with the timing information of the deactivation information;send, by the terminal device, the second receipt confirmation information to the network device in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received.; 21. The method according to claim 13, further characterized in that the first identifier is obtained by encoding the identifier of the first type, and the deactivation information comprises PUCCH resource indication information and timing information; after receiving, from the terminal device, the deactivation information of the network device according to the second identifier, the method further comprises: determining, by the terminal device, PUCCH resource information from the second receipt confirmation information in accordance with the PUCCH resource indication information of the deactivation information; determining, by the terminal device, the timing information of the second receipt confirmation information in accordance with the timing information of the deactivation information;send, by the terminal device, the second receipt confirmation information to the network device in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received.; 22. The method according to claim 20, further characterized in that a PDSCH reception completion time is used as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information.

23. A semi-persistent scheduling method for a multicast / broadcast service, comprising: sending, by a network device, semi-persistent configuration information for a multicast / broadcast service to N terminal devices, wherein the N terminal devices belong to the same group of terminal devices for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information of each terminal device comprises a first identifier and related information of a shared physical downlink channel (PDSCH) for the transmission of the multicast / broadcast service;Send, by the network device, activation information to N terminal devices according to the first identifier, where the first identifier is a first-type identifier or a second-type identifier, the first-type identifier being used to identify the multicast / broadcast service terminal device group to which a terminal device belongs, and where the activation information is used to indicate the activation of the information to indicate the semi-persistent configuration information; Send, by the network device, the PDSCH to the N terminal devices by means of multicast / broadcast according to the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data.

24. The method according to claim 23, further characterized in that the first type identifier is a configured programming radio network temporary identifier (CS-RNTI). 25.- The method according to claim 23, further characterized in that the second type identifier is a group configured radio network programming temporary identifier (GCS-RNTI).

26. The method according to any of claims 23 to 25, further characterized in that a PDSCH randomization sequence is obtained according to the second type identifier, or the semi-persistent configuration information further comprises a third type identifier, wherein the third type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third type identifier.

27. The method according to claim 26, further characterized in that the third type identifier is a Group Radio Network Temporary Identifier (G-RNTI) or a GCS-RNTI.

28. The method according to any of claims 23 to 25, further characterized in that sending, by means of the network device, the activation information to the N terminal devices according to the first identifier comprises: sending, by the network device, the activation information to the terminal devices several times according to the second identifier.

29. The method according to any of claims 23 to 25, further characterized in that after sending, by the network device, the PDSCH to the N terminal devices qj cenn / eznz / E / YiAi by multicast / broadcast according to the semi-persistent configuration information, the method further comprises: receiving, by the network device, the first acknowledgment of receipt information from the N terminal devices respectively, wherein the first acknowledgment of receipt information is used to indicate whether the PDSCH was successfully received.

30. The method according to claim 29, further characterized in that after receiving, by the network device, the reception capacity information from the N terminal devices respectively, the method further comprises: sending, by the network device, PDSCH retransmission scheduling information from the network device, wherein the scheduling information is encoded by a CS-RNTI or a GCS-RNTI.

31. The method according to claim 29, further characterized in that the first identifier is the identifier of the first kind, and the activation information comprises physical uplink control channel (PUCCH) resource indication information and timing information; receiving, by means of the network device, the first acknowledgment of receipt information from the N terminal devices comprises: determining, by the network device, PUCCH resource information from the first acknowledgment of receipt information in accordance with the PUCCH resource indication information of the activation information; determining, by the network device, the timing information of the first acknowledgment of receipt information in accordance with the timing information of the activation information;to receive, via the network device, the first receipt confirmation information from the terminal devices in accordance with the PUCCH resource information and the timing information of the first receipt confirmation information.; 32. The method according to any of claims 23 to 25, further characterized in that the first identifier is the second-type identifier, and the activation information is further used to indicate that the downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time.

33. The method in accordance with any of claims 23 to 25, further characterized in that the first identifier is used to encode the activation information.

34. The method according to any of claims 23 to 25, further characterized in that the semi-persistent configuration information comprises a second identifier, and the second identifier is used to encode the deactivation information; wherein the method further comprises: sending, by the network device, deactivation information to the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; wherein the second identifier is the first-type identifier or the second-type identifier.

35. The method according to claim 34, further characterized in that sending, by means of the network device, the deactivation information to the N terminal devices according to the second identifier comprises: sending, by the network device, the deactivation information to the terminal devices several times according to the second identifier.

36. The method according to claim 34, further characterized in that the second identifier is used to encode the deactivation information.

37. The method according to claim 34, further characterized in that the deactivation information is also used to indicate the change of a multicast / broadcast communication mode of a terminal device from a point-to-multipoint communication mode to a point-to-point communication mode.

38. The method according to claim 37, further characterized in that if the deactivation information is obtained by decoding according to the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the group of terminal devices from a point-to-multipoint communication mode to a point-to-point communication mode; if the second identifier is the first type identifier, the deactivation information further indicates changing a terminal device receiving the deactivation information from a point-to-multipoint communication mode to a point-to-point communication mode; if the second identifier is the second type identifier, the deactivation information further indicates the change of terminal devices belonging to the group of terminal devices from a point-to-multipoint communication mode to a point-to-point communication mode. 39 - The method according to claim 34, further characterized in that the deactivation information is downlink control information in a pre-established format.

40. The method according to claim 34, further characterized in that if the second identifier is the second type identifier, and the deactivation information is further used to indicate that it is not necessary to provide feedback to the second receipt confirmation information, wherein the second receipt confirmation information is used to indicate whether the deactivation information is successfully received.

41. The method according to claim 34, further characterized in that the related PDSCH information comprises resource information of the PUCCH corresponding to the PDSCH, the first identifier being the first-type identifier, and the deactivation information comprising timing information; after the network device sends the deactivation information of the N terminal devices according to the second identifier, the method further comprises: determining, by the network device, the resource information of the qj crnn / cznz / E / YiAi PUCCH of the second acknowledgment of receipt information according to the resource information of the PUCCH corresponding to the PDSCH; determining, by the network device, the timing information of the second acknowledgment of receipt information according to the timing information of the deactivation information;to receive, by the network device, the second receipt confirmation information from terminal devices in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received.; 42. The method according to claim 34, further characterized in that the first identifier is the identifier of the first type and the deactivation information comprises PUCCH resource indication information and timing information; after the network device sends the deactivation information to the N terminal devices according to the second identifier, the method further comprises: determining, by the network device, PUCCH resource information from the second receipt confirmation information according to the PUCCH resource indication information of the deactivation information; determining, by the network device, the timing information of the second receipt confirmation information according to the timing information of the activation information;to receive, by the network device, the second receipt confirmation information from terminal devices in accordance with the PUCCH resource information and the timer information of the second receipt confirmation information, where the second receipt confirmation information is used to indicate whether the deactivation information was successfully received.; 43.- The method according to claim 41, further characterized in that a PDSCH reception completion time is used as the deactivation information reception completion time to determine the PUCCH resource information of the second reception confirmation information.

44. A semi-persistent programming apparatus for a multicast / broadcast service, comprising a memory, a transceiver, and a processor; the memory is configured to store a computer program; the transceiver is configured to transmit data under the control of the processor; the processor is configured to read the computer program from the memory and execute the following operations: receive semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information of a shared physical downlink channel (PDSCH) for transmitting multicast / broadcast services;receive activation information from the network device according to qj cenn / eznz / E / YiAi with the first identifier, wherein the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, wherein the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs; receive the PDSCH from the network device according to the activation information and the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. 45.- The apparatus according to claim 44, further characterized in that the identifier of the first type is a configured programming radio network temporary identifier (CS-RNTI).

46. ​​The apparatus according to claim 44, further characterized in that the second type identifier is a group configured radio network programming temporary identifier (GCS-RNTI).

47. The apparatus according to claim 44, further characterized in that a PDSCH randomization sequence is obtained according to the second type identifier, or the semi-persistent configuration information further comprises a third type identifier, wherein the third type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third type identifier.

48. The apparatus according to claim 47, further characterized in that the third type identifier is a Group Radio Network Temporary Identifier (G-RNTI) or a GCS-RNTI. 49.- The apparatus according to any of claims 44 to 48, further characterized in that before receiving the PDSCH from the network device, the processor further executes the following operations: activate the semi-persistent configuration information in accordance with the activation information.

50. The apparatus according to claim 49, further characterized in that upon receiving the activation information from the network device, the processor executes the following operations: receiving the activation information that is sent by the network device to the terminal device several times according to the second type identifier.

51. The apparatus according to any of claims 44 to 48, further characterized in that after receiving the PDSCH from the network device according to the activation information and the semi-persistent configuration information, the processor further executes the following operations: sending the first acknowledgment of receipt information to the network device, wherein the first acknowledgment of receipt information is used to indicate whether the PDSCH is successfully received.

52. The method according to claim 51, further characterized in that after sending the first receipt confirmation information to the network device, the processor further executes the following operations: receiving programming information from the PDSCH retransmission from the network device, wherein the programming information is encoded by a CS-RNTI or a GCS-RNTI.

53. The method according to claim 51, further characterized in that the first identifier is the identifier of the first kind, and the activation information comprises physical uplink control channel (PUCCH) resource indication information and timing information; upon sending the first acknowledgment information to the network device, the processor further performs the following operations: determining PUCCH resource information from the first acknowledgment information in accordance with the PUCCH resource indication information from the activation information; determining the timing information from the first acknowledgment information in accordance with the timing information from the activation information;send the first acknowledgment of receipt information to the network device according to the PUCCH resource information and the timing information of the first acknowledgment of receipt.; 54.- The apparatus according to any of claims 44 to 48, further characterized in that the first identifier is the second-type identifier, and the activation information is further used to indicate that the downlink control information obtained by randomization using the second-type identifier is not required to be detected within a predetermined time. 55.- The apparatus according to any of claims 44 to 48, further characterized in that the semi-persistent configuration information comprises a second identifier, and the second identifier is used to encode the deactivation information; the processor further performs the following operations: receiving deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; wherein the second identifier is either the first-type identifier or the second-type identifier.

56. The apparatus according to claim 55, further characterized in that upon receiving the deactivation information from the network device in accordance with the second identifier, the processor executes the following operations: receiving the deactivation information that is sent by the network device to the terminal device several times according to the second identifier.

57. A semi-persistent programming apparatus for a multicast / broadcast service, comprising a memory, a transceiver, and a processor; the memory is configured to store a computer program; the transceiver is configured to transmit data under the control of the processor;The processor is configured to read the computer program into memory and execute the following operations: send semi-persistent configuration information for a multicast / broadcast service to N terminal devices, where the N terminal devices belong to the same group of terminal devices for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information of each terminal device comprises a first identifier and related information of a shared physical downlink channel (PDSCH) for the transmission of the multicast / broadcast service;send activation information to N terminal devices according to the first identifier, where the first identifier is a first-type identifier or second-type identifier, the first-type identifier is used to identify the multicast / broadcast service terminal device group to which a terminal device belongs, and where the activation information is used to indicate the activation of the information to indicate the semi-persistent configuration information; send the PDSCH to the N terminal devices by multicast / broadcast according to the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. 58.- The apparatus according to claim 57, further characterized in that the identifier of the first type is a configured programming radio network temporary identifier (CS-RNTI).

59. The apparatus according to claim 57, further characterized in that the second type identifier is a group configured radio network programming temporary identifier (GCS-RNTI). 60.- The apparatus according to any of claims 57 to 59, further characterized in that a PDSCH randomization sequence is obtained according to the second-type identifier, or, the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third-type identifier.

61. The apparatus according to claim 60, further characterized in that the third type identifier is a Group Radio Network Temporary Identifier (G-RNTI) or a GCS-RNTI.

62. The apparatus according to any of claims 57 to 59, further characterized in that, when sending the activation information to the N terminal devices according to the first identifier, the processor performs the following operations: sending the activation information to the terminal devices several times according to the second identifier. qj crnn / cznz / E / YiAi 63. The apparatus according to any of claims 57 to 59, further characterized in that after sending the PDSCH to the N terminal devices by multicast / broadcast according to the semi-persistent configuration information, the processor further executes the following operations: receiving the first acknowledgment of receipt information from the N terminal devices respectively, wherein the first acknowledgment of receipt information is used to indicate whether the PDSCH was successfully received.

64. The apparatus according to claim 63, further characterized in that after receiving the first reception confirmation information from the N terminal devices respectively, the processor further executes the following operations: sending programming information of the PDSCH retransmission from the network device, wherein the programming information is encoded by a CS-RNTI or a GCS-RNTI.

65. The method according to claim 63, further characterized in that the first identifier is the identifier of the first kind, and the activation information comprises physical uplink control channel (PUCCH) resource indication information and timing information; receiving the first acknowledgment information from the N terminal devices comprises: determining PUCCH resource information from the first acknowledgment information in accordance with the PUCCH resource indication information from the activation information; determining the timing information from the first acknowledgment information in accordance with the timing information from the activation information;receive the first receipt confirmation information from the terminal devices according to the PUCCH resource information and the timing information of the first receipt confirmation information.; 66.- The apparatus according to any of claims 57 to 59, further characterized in that the semi-persistent configuration information comprises a second identifier, and the second identifier is used to encode the deactivation information; the processor further executes the following operations: sending deactivation information from the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; wherein the second identifier is either the first-type identifier or the second-type identifier.

67. The apparatus according to claim 66, further characterized in that when sending the deactivation information to the N terminal devices according to the second identifier, the processor performs the following operations: sending the deactivation information to the terminal devices several times according to the second identifier.

68. A semi-persistent programming apparatus for a multicast / broadcast service, comprising: a receiving unit, configured to: receive semi-persistent configuration information for a multicast / broadcast service from a network device, wherein the semi-persistent configuration information comprises a first identifier and related information of a shared downlink physical channel (PDSCH) for multicast / broadcast service transmission;receive activation information from the network device according to the first identifier, where the activation information is used to indicate the activation of the semi-persistent configuration information, and the first identifier is either a first-type identifier or a second-type identifier, where the first-type identifier is used to identify a terminal device, and the second-type identifier is used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs; receive the PDSCH from the network device according to the activation information and the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. 69.- The apparatus according to claim 68, further characterized in that the identifier of the first type is a configured programming radio network temporary identifier (CS-RNTI). 70.- The apparatus according to claim 68, further characterized in that the second type identifier is a group configured radio network programming temporary identifier (GCS-RNTI). 71.- The apparatus according to claim 68, further characterized in that a PDSCH randomization sequence is obtained according to the second type identifier, or, the semi-persistent configuration information further comprises a third type identifier, wherein the third type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained according to the third type identifier. 72.- The apparatus according to claim 71, further characterized in that the third type identifier is a Group Radio Network Temporary Identifier (G-RNTI) or a GCS-RNTI.

73. The apparatus according to any of claims 68 to 72, further characterized in that a processing unit is configured to activate the semi-persistent configuration information according to the activation information before the receiving unit receives the PDSCH from the network device. 74.- The apparatus according to claim 73, further characterized in that upon receiving the activation information from the network device, the receiving unit is configured to: receive the activation information that is sent by the network device to the terminal device several times according to the second type identifier.

75. The apparatus according to any of claims 68 to 72, qj crnn / cznz / E / YiAi, further characterized in that it further comprises a transmitting unit, wherein after receiving the PDSCH from the network device according to the activation information and the semi-persistent configuration information, the transmitting unit is configured to: send the first acknowledgment of receipt information to the network device, wherein the first acknowledgment of receipt information is used to indicate whether the PDSCH is successfully received.

76. The apparatus according to claim 75, further characterized in that after the transmitting unit sends the first reception confirmation information to the network device, the receiving unit is further configured to: receive programming information from the PDSCH retransmission from the network device, wherein the programming information is encoded by a CS-RNTI or a GCS-RNTI.

77. The apparatus according to claim 75, further characterized in that the first identifier is the identifier of the first kind, and the activation information comprises physical uplink control channel (PUCCH) resource indication information and timing information; when sending the first acknowledgment information to the network device, the sending unit is configured to: determine PUCCH resource information from the first acknowledgment information in accordance with the PUCCH resource indication information from the activation information; determine the timing information from the first acknowledgment information in accordance with the timing information from the activation information;send the first acknowledgment of receipt information to the network device according to the PUCCH resource information and the timing information of the first acknowledgment of receipt.; 78. The device according to any of claims 68 to 72, further characterized in that the semi-persistent configuration information comprises a second identifier, and the receiving unit is further configured to: receive deactivation information from the network device according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; wherein the second identifier is either the first-type identifier or the second-type identifier.

79. The apparatus according to claim 78, further characterized in that upon receiving the deactivation information from the network device in accordance with the second identifier, the receiving unit is configured to: receive the deactivation information sent by the network device to the terminal device several times according to the second identifier.

80. A semi-persistent programming apparatus for a multicast / broadcast service, comprising: a transmitter unit, configured to: send semi-persistent configuration information for a multicast / broadcast service to N terminal devices, wherein the N terminal devices belong to the same group of terminal devices for the multicast / broadcast service, and N is an integer greater than or equal to 1, and wherein the semi-persistent configuration information of each terminal device comprises a first identifier and related information of a shared physical downlink channel (PDSCH) for transmission of the multicast / broadcast service;Send activation information to N terminal devices according to the first identifier, where the first identifier is a first-type identifier or a second-type identifier, the first-type identifier being used to identify a terminal device, and the second-type identifier being used to identify a group of terminal devices of a multicast / broadcast service to which a terminal device belongs, and wherein the activation information is used to indicate the activation of the semi-persistent configuration information; Send the PDSCH to the N terminal devices by multicast / broadcast according to the semi-persistent configuration information, wherein the PDSCH carries multicast / broadcast service data. 81.- The apparatus according to claim 80, further characterized in that the identifier of the first type is a configured programming radio network temporary identifier (CS-RNTI). 82 - The apparatus according to claim 80, further characterized in that the second type identifier is a group configured radio network programming temporary identifier (GCS-RNTI).

83. The apparatus according to any of claims 80 to 82, further characterized in that a PDSCH randomization sequence is obtained in accordance with the second-type identifier, or the semi-persistent configuration information further comprises a third-type identifier, wherein the third-type identifier is used to generate a PDSCH randomization sequence, and the PDSCH randomization sequence is obtained in accordance with the third-type identifier. 84 - The apparatus according to claim 83, further characterized in that the third type identifier is a Group Radio Network Temporary Identifier (G-RNTI) or a GCS-RNTI.

85. The apparatus according to any of claims 80 to 82, further characterized in that when sending the activation information to the N terminal devices according to the first identifier, the transmitting unit is configured to: send the activation information to the terminal devices several times according to the second identifier.

86. The apparatus according to any of claims 80 to 82, further characterized in that it further comprises a receiving unit, wherein after the transmitting unit sends the PDSCH to the N terminal devices by multicast / broadcast according to the semi-persistent configuration information, the receiving unit is configured to: receive the first acknowledgment of receipt information from the N terminal devices respectively, wherein the first acknowledgment of receipt information is used to indicate whether the PDSCH was successfully received.

87. The apparatus according to claim 86, further characterized in that after the receiving unit receives the first reception confirmation information from the N terminal devices respectively, the transmitting unit is further configured to: send programming information for the PDSCH retransmission from the network device, wherein the programming information is encoded by a CS-RNTI or a GCS-RNTI.

88. The method according to claim 86, further characterized in that the first identifier is the identifier of the first type, and the activation information comprises physical uplink control channel (PUCCH) resource indication information and timing information; upon receiving the first acknowledgment information from the N terminal devices, the receiving unit is configured to: determine PUCCH resource information from the first acknowledgment information in accordance with the PUCCH resource indication information from the activation information; determine the timing information from the first acknowledgment information in accordance with the timing information from the activation information;receive the first receipt confirmation information from the terminal devices according to the PUCCH resource information and the timing information of the first receipt confirmation information.; 89. The apparatus according to any of claims 80 to 82, further characterized in that the semi-persistent configuration information comprises a second identifier, and the second identifier is used to encode the deactivation information; wherein the transmitting unit is further configured to: send deactivation information from the N terminal devices according to the second identifier, wherein the deactivation information is used to indicate the deactivation of the semi-persistent configuration information; wherein the second identifier is either the first-type identifier or the second-type identifier.

90. The apparatus according to claim 89, further characterized in that when sending the deactivation information to the N terminal devices according to the first identifier, the transmitting unit is configured to: send the deactivation information to the terminal devices several times according to the second identifier.

91. A processor-readable storage medium, wherein the processor-readable storage medium stores a computer program and the computer program is used to cause a processor to execute the method according to any of claims 1 to 5 or the method according to any of claims 23 to 25.

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