Communication method, communication device, and storage medium

Abstract

Disclosed in the present application are a communication method, a communication device, and a storage medium. The method comprises: sending a third identifier, such that a master node determines or generates a fourth identifier. The technical solution of the present application provides an A-IoT data communication solution, so as to refine an A-IoT data communication mechanism.

Description

Communication methods, communication equipment and storage media Technical Field

[0001] This application relates to the field of communication technology, specifically to a communication method, communication device, and storage medium. Background Technology

[0002] Existing technology supports TP1, where the access network device acts as a reader to communicate with IoT devices (such as devices). The access network device, acting as a reader, is responsible for forwarding A-IoT data from the core network device to the IoT device and for delivering data received from the IoT device to the core network device. Existing technology also supports TP2, where the terminal device acts as a reader to communicate with IoT devices. The terminal device, acting as a reader, is responsible for data transmission between the IoT device and the access network device, while the access network device is responsible for data transmission between the terminal device and the core network device.

[0003] In the process of conceiving and implementing this application, the inventors discovered at least the following problems:

[0004] The existing A-IoT data communication mechanism is imperfect: for example, in CA (Carrier Aggregation) or MR-DC (Multi-Radio Dual Connectivity) network architectures, the A-IoT data communication scheme is not yet clear and needs to be resolved.

[0005] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Technical solutions

[0006] The main purpose of this application is to provide a communication method, communication device and storage medium, and to propose an A-IoT data communication scheme to improve the A-IoT data communication mechanism.

[0007] This application provides a communication method applicable to auxiliary nodes, comprising the following steps:

[0008] S2: Send the third identifier so that the master node can determine or generate the fourth identifier.

[0009] Optionally, the communication method includes at least one of the following:

[0010] The third identifier is XnAP-ID;

[0011] The third identifier is used to identify the target device on the Xn interface;

[0012] The third identifier is determined or generated by the auxiliary node;

[0013] The third identifier is determined or generated after the auxiliary node receives the second identifier;

[0014] The fourth identifier is NGAP-ID;

[0015] The fourth identifier is used to identify the target device on the NG interface;

[0016] The first inventory report is sent by the receiving terminal device via the first signaling;

[0017] Establish and / or maintain the correspondence between the second and third identifiers;

[0018] The master node establishes and / or maintains the correspondence between the third and fourth identifiers;

[0019] Receive inventory requests sent by the master node via the second signaling;

[0020] The inventory request is sent to the terminal device via the first signaling;

[0021] The first inventory report is sent to the master node via the second signaling;

[0022] Receive command requests sent by the master node via the second signaling;

[0023] The command request is sent to the terminal device via the first signaling;

[0024] Receive command responses sent by the terminal device via the first signaling;

[0025] The command response is sent to the master node via the second signaling.

[0026] Optionally, the communication method further includes at least one of the following:

[0027] The second identifier is sent by the terminal device;

[0028] The second identifier is determined or generated by the terminal device after receiving the device ID;

[0029] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0030] The second identifier is used to identify the target device on the UU interface;

[0031] The second identifier is included in the first signaling;

[0032] The first signaling is RRC signaling;

[0033] RRC signaling includes first RRC signaling and / or second RRC signaling;

[0034] The second signaling is XnAP signaling;

[0035] The second signaling includes a third identifier;

[0036] The third signaling is NGAP signaling;

[0037] The third signaling includes the fourth identifier;

[0038] The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier;

[0039] The inventory request carries configuration information that triggers paging;

[0040] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0041] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0042] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0043] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0044] The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

[0045] Optionally, the communication method further includes at least one of the following:

[0046] The first identifier is AS-ID;

[0047] The first identifier is used to identify the target device between the terminal device and the target device;

[0048] The second identifier may be the same as or different from the first identifier;

[0049] The second identifier includes the first identifier;

[0050] The device ID is sent by the target device;

[0051] The XnAP signaling is an RRC TRANSFER message;

[0052] The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling;

[0053] The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling;

[0054] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0055] Receive master node instructions via second signaling;

[0056] Configure the configuration information of the wireless resources associated with the terminal device;

[0057] Configure the serving cell identifier where the wireless resource is located;

[0058] The RRC entity that instructs the terminal device to forward A-IoT data or receive A-IoT service data belongs to MCG or SCG;

[0059] Configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the MCG, or configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the SCG;

[0060] Instruct the terminal device to configure SRB;

[0061] The RRC entity that implements A-IoT service data transmission based on the instruction configuration of the terminal device.

[0062] Optionally, the terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

[0063] This application provides a communication method applicable to a master node, comprising the following steps:

[0064] S3: In response to receiving the third identifier sent by the secondary node, determine or generate the fourth identifier.

[0065] Optionally, the communication method includes at least one of the following:

[0066] The third identifier is XnAP-ID;

[0067] The third identifier is used to identify the target device on the Xn interface;

[0068] The third identifier is determined or generated by the auxiliary node;

[0069] The third identifier is determined or generated by the auxiliary node after receiving the second identifier;

[0070] The third identifier is included in the second signaling;

[0071] Send the fourth identifier to the core network equipment;

[0072] The fourth identifier is NGAP-ID;

[0073] The fourth identifier is used to identify the target device on the NG interface;

[0074] Receive the first inventory report sent by the secondary node via the second signaling;

[0075] Establish and / or maintain the correspondence between the third and fourth identifiers;

[0076] The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier;

[0077] The auxiliary node establishes and / or maintains the correspondence between the second and third identifiers;

[0078] Receive inventory requests sent by core network equipment via third signaling;

[0079] The inventory request is sent to the secondary node via the second signaling, so that the secondary node sends the inventory request to the terminal device via the first signaling;

[0080] The second inventory report is sent to the core network equipment via third signaling.

[0081] Receive command requests sent by core network devices via third signaling;

[0082] The command request is sent to the secondary node via the second signaling, so that the secondary node can send the command request to the terminal device via the first signaling;

[0083] Receive command responses sent by secondary nodes via the second signaling;

[0084] The command response is sent to the core network equipment via third signaling.

[0085] Optionally, the communication method further includes at least one of the following:

[0086] The first identifier is AS-ID;

[0087] The first identifier is used to identify the target device between the terminal device and the target device;

[0088] The second identifier may be the same as or different from the first identifier;

[0089] The second identifier includes the first identifier;

[0090] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0091] The second identifier is used to identify the target device on the UU interface;

[0092] The second identifier is sent by the terminal device;

[0093] The second identifier is determined or generated by the terminal device;

[0094] The second identifier is determined or generated by the terminal device after receiving the device ID;

[0095] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0096] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0097] The first signaling is RRC signaling;

[0098] RRC signaling includes first RRC signaling and / or second RRC signaling;

[0099] The second signaling is XnAP signaling;

[0100] The third signaling is NGAP signaling;

[0101] The third signaling includes the fourth identifier;

[0102] The inventory request carries configuration information that triggers paging;

[0103] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0104] The second inventory report includes the first inventory report and / or the fourth identification;

[0105] The second inventory report is carried in a container within the third signaling;

[0106] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0107] The command response is carried in the form of a container within at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission;

[0108] The terminal device is instructed to configure the reader via the first signaling;

[0109] The judgment is made regarding the target cell and / or radio resources associated with the terminal device.

[0110] The secondary node is instructed by the second signaling to configure the radio resources and / or target cell identifier associated with the terminal device, and / or to establish an SRB for transmitting A-IoT resources;

[0111] Configure the configuration information of the wireless resources associated with the terminal device;

[0112] Configure the serving cell identifier where the wireless resource is located;

[0113] The RRC entity that instructs the terminal device to forward A-IoT data or receive A-IoT service data belongs to MCG or SCG;

[0114] Configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the MCG, or configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the SCG;

[0115] Instruct the terminal device to configure SRB;

[0116] The RRC entity that implements A-IoT service data transmission based on the instruction configuration of the terminal device.

[0117] Optionally, the communication method further includes at least one of the following:

[0118] The device ID is sent by the target device;

[0119] The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling;

[0120] The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling;

[0121] The XnAP signaling is an RRC TRANSFER message;

[0122] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0123] Instruct the terminal device to configure at least one of the following: SRB, SRB1, SRB2, and SRB4;

[0124] The terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

[0125] This application provides a communication method applicable to core network equipment, comprising the following steps:

[0126] S4: Receive the fourth identifier sent by the master node. The fourth identifier is determined or generated by the master node in response to receiving the third identifier sent by the slave node.

[0127] Optionally, the communication method includes at least one of the following:

[0128] The third identifier is XnAP-ID;

[0129] The third identifier is used to identify the target device on the Xn interface;

[0130] The third identifier is sent by the secondary node;

[0131] The third identifier is determined or generated by the auxiliary node;

[0132] The third identifier is determined or generated by the auxiliary node after receiving the second identifier;

[0133] The fourth identifier is NGAP-ID;

[0134] The fourth identifier is used to identify the target device on the NG interface;

[0135] The fourth identifier is included in the third signaling;

[0136] Receive the second inventory report sent by the master node via third signaling;

[0137] The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier;

[0138] The auxiliary node establishes and / or maintains the correspondence between the second and third identifiers;

[0139] The master node establishes and / or maintains the correspondence between the third and fourth identifiers;

[0140] The inventory request is sent to the master node via third signaling.

[0141] Receive inventory responses from access network devices;

[0142] The command request is sent to the master node via the third signaling, so that the master node can send the command request to the slave node via the second signaling;

[0143] Receive command responses sent by the master node via third signaling.

[0144] Optionally, the communication method further includes at least one of the following:

[0145] The first identifier is AS-ID;

[0146] The first identifier is used to identify the target device between the terminal device and the target device;

[0147] The second identifier may be the same as or different from the first identifier;

[0148] The second identifier includes the first identifier;

[0149] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0150] The second identifier is used to identify the target device on the UU interface;

[0151] The second identifier is sent by the terminal device;

[0152] The second identifier is determined or generated by the terminal device;

[0153] The second identifier is determined or generated by the terminal device after receiving the device ID;

[0154] The second signaling is XnAP signaling;

[0155] The second signaling includes a third identifier;

[0156] The third signaling is NGAP signaling;

[0157] The second inventory report includes the first inventory report and / or the fourth identification;

[0158] The second inventory report is carried in a container within the third signaling;

[0159] The inventory request carries configuration information that triggers paging;

[0160] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0161] The inventory response is carried in a container within the first signaling;

[0162] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0163] The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

[0164] Optionally, the communication method further includes at least one of the following:

[0165] The device ID is sent by the target device;

[0166] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0167] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0168] The XnAP signaling is an RRC TRANSFER message;

[0169] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0170] This application provides a communication method applicable to terminal devices, comprising the following steps:

[0171] S1: Send the second identifier so that the secondary node can determine or generate the third identifier and send the third identifier to the primary node.

[0172] Optionally, the communication method includes at least one of the following:

[0173] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0174] The second identifier is used to identify the target device on the UU interface;

[0175] The second identifier is determined or generated by the terminal device;

[0176] The second identifier is sent after the terminal identifier receives the device ID;

[0177] The third identifier is XnAP-ID;

[0178] The third identifier is used to identify the target device on the Xn interface;

[0179] Maintain the correspondence between the first identifier and the second identifier;

[0180] The auxiliary node maintains the correspondence between the second and third identifiers;

[0181] The master node maintains the correspondence between the third and fourth identifiers;

[0182] Receive inventory requests sent by secondary nodes via the first signaling;

[0183] The inventory response is returned to the access network equipment via the first signaling;

[0184] Send an A-IOT paging command to the target device;

[0185] Send the first inventory report to the auxiliary node via the first signaling;

[0186] Receive command requests sent by secondary nodes via the first signaling;

[0187] The command request is sent to the target device via R2D upper-layer data transmission signaling.

[0188] Receive command responses sent by the target device through D2R upper-layer data transmission signaling;

[0189] Send a command response to the secondary node via the first signaling.

[0190] Optionally, the communication method further includes at least one of the following:

[0191] The first identifier is AS-ID;

[0192] The first identifier is used to identify the target device between the terminal device and the target device;

[0193] The second identifier may be the same as or different from the first identifier;

[0194] The second identifier includes the first identifier;

[0195] The fourth identifier is NGAP-ID;

[0196] The fourth identifier is used to identify the target device on the NG interface;

[0197] The fourth identifier is sent by the master node;

[0198] The fourth identifier is sent after the master node receives the third identifier;

[0199] The device ID is sent by the target device;

[0200] The device ID is sent by the target device based on radio resource information;

[0201] The first signaling is RRC signaling;

[0202] RRC signaling includes first RRC signaling and / or second RRC signaling;

[0203] The first signaling message contains the second identifier;

[0204] The second signaling is XnAP signaling;

[0205] The second signaling includes a third identifier;

[0206] The inventory request carries configuration information that triggers paging;

[0207] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0208] The inventory response is carried in a container within the first signaling;

[0209] The A-IOT paging command includes at least one of the following: device identification information paging identifier, key parameter N1, and random access resource configuration parameters;

[0210] If the A-IOT paging command triggers contention-based random access, the target device initiates a random access procedure, receives random response information, and obtains the radio resource information of the sending device ID from the random response information.

[0211] If the A-IOT paging command triggers a non-contention-based random access, the target device obtains the radio resource information of the sending device ID from the A-IOT paging command;

[0212] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0213] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0214] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0215] The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

[0216] Optionally, the communication method further includes at least one of the following:

[0217] The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling;

[0218] The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling;

[0219] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0220] The third signaling is NGAP signaling;

[0221] The third signaling includes the fourth identifier.

[0222] This application also provides a communication device, the communication device comprising:

[0223] The first communication module is used to send the second identifier so that the auxiliary node can determine or generate the third identifier and send the third identifier to the master node.

[0224] This application also provides a communication device, the communication device comprising:

[0225] The second communication module is used to send the third identifier so that the master node can determine or generate the fourth identifier.

[0226] This application also provides a communication device, the communication device comprising:

[0227] The third communication module is used to determine or generate a fourth identifier in response to receiving a third identifier sent by the auxiliary node.

[0228] This application also provides a communication device, the communication device comprising:

[0229] The fourth communication module is used to receive the fourth identifier sent by the master node. The fourth identifier is determined or generated by the master node in response to receiving the third identifier sent by the slave node.

[0230] This application also provides a communication device, including: a memory, a processor, and a communication program stored in the memory and executable on the processor, wherein the communication program, when executed by the processor, implements the steps of any of the communication methods described above.

[0231] The communication device in this application can be a target device (such as an A-IoT device) or a terminal device (such as a mobile phone), or a network device (such as a secondary node, a primary node, or a core network device), or a chip (such as a SOC or a baseband chip with communication functions). The specific meaning needs to be clarified in the context.

[0232] This application also provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of any of the communication methods described above.

[0233] The technical solution of this application includes: the secondary node sending a third identifier so that the primary node can determine or generate a fourth identifier. This technical solution proposes an A-IoT data communication scheme to improve the A-IoT data communication mechanism. Attached Figure Description

[0234] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0235] Figure 1 is a schematic diagram of the hardware structure of a mobile terminal implementing various embodiments of this application;

[0236] Figure 2 is a communication network system architecture diagram provided in an embodiment of this application;

[0237] Figure 3 is a diagram of another communication network system architecture provided in an embodiment of this application;

[0238] Figure 4 is a schematic diagram of the hardware structure of a controller 140 provided in this application;

[0239] Figure 5 is a schematic diagram of the hardware structure of a network node 150 provided in this application;

[0240] Figure 6 is a flowchart illustrating the communication method according to the first embodiment of this application;

[0241] Figure 7 is a schematic diagram of the communication process between the target device and the core network device in this application.

[0242] Figure 8 is a schematic diagram of the communication process between the target device and the core network device in this application.

[0243] Figure 9 is a schematic diagram of the target cell and / or radio resources associated with the terminal device determined by the master node in this application;

[0244] Figure 10 is a flowchart illustrating the communication method according to the second embodiment of this application;

[0245] Figure 11 is a flowchart illustrating the communication method according to the third embodiment of this application;

[0246] Figure 12 is a flowchart illustrating the communication method according to the fourth embodiment of this application;

[0247] Figure 13 is a flowchart illustrating the communication method according to the fifth embodiment of this application;

[0248] Figure 14 is a schematic diagram of the interaction flow of the communication method shown in the sixth embodiment of this application;

[0249] Figure 15 is a schematic diagram of the communication device provided in an embodiment of this application;

[0250] Figure 16 is a second structural schematic diagram of the communication device provided in an embodiment of this application;

[0251] Figure 17 is a schematic diagram of the structure of the communication device provided in the embodiment of this application;

[0252] Figure 18 is a schematic diagram of the communication device provided in an embodiment of this application;

[0253] Figure 19 is a schematic diagram of the structure of the communication device provided in the embodiment of this application.

[0254] The realization of the objectives, functional features, and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. The accompanying drawings have illustrated specific embodiments of this application, which will be described in more detail below. These drawings and textual descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concepts of this application to those skilled in the art through reference to specific embodiments.

[0255] Implementation methods of this application

[0256] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0257] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element, and / or, components, features, and elements with the same names in different embodiments of this application may have the same meaning or different meanings, the specific meaning of which must be determined by its interpretation in that specific embodiment or further in conjunction with the context of that specific embodiment.

[0258] It should be understood that although the terms first, second, third, etc., may be used herein to describe various information, such information should not be limited to these terms. These terms are used only to distinguish information of the same type from one another. For example, without departing from the scope of this document, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if," as used herein, may be interpreted as "when," "when," or "in response to determination." Furthermore, as used herein, the singular forms "a," "an," and "the" are intended to also include the plural forms unless the context indicates otherwise. It should be further understood that the terms "comprising," "including," indicate the presence of the stated feature, step, operation, element, component, item, kind, and / or group, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, kinds, and / or groups. The terms "or," "and / or," "including at least one of the following," etc., as used in this application, may be interpreted as inclusive, or mean any one or any combination thereof. For example, "including at least one of the following: A, B, C" means "any one of the following: A; B; C; A and B; A and C; B and C; A and B and C." Similarly, "A, B, or C" or "A, B, and / or C" means "any one of the following: A; B; C; A and B; A and C; B and C; A and B and C." Exceptions to this definition only occur when the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.

[0259] It should be understood that although the steps in the flowcharts of this application's embodiments are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times, and their execution order is not necessarily sequential, but can be performed alternately or in turn with other steps or at least a portion of the sub-steps or stages of other steps.

[0260] Depending on the context, the words “if” or “suppose” as used here can be interpreted as “when” or “in response to determination” or “in response to detection.” Similarly, depending on the context, the phrases “if determination” or “if detection (of the stated condition or event)” can be interpreted as “when determination” or “in response to determination” or “when detection (of the stated condition or event)” or “in response to detection (of the stated condition or event).”

[0261] It should be noted that step designations such as S1 and S2 are used in this document for the purpose of more clearly and concisely describing the corresponding content, and do not constitute a substantial limitation on the order. In specific implementation, those skilled in the art may execute S2 first and then S1, etc., but these should all be within the protection scope of this application.

[0262] It should be understood that the specific embodiments described herein are merely illustrative of this application and are not intended to limit this application.

[0263] In the following description, the use of suffixes such as "module," "part," or "unit" to denote elements is solely for the purpose of illustrative purposes and has no specific meaning in itself. Therefore, "module," "part," or "unit" may be used interchangeably.

[0264] The communication device in this application can be a target device (such as an A-IoT device) or a terminal device (such as a mobile phone), or a network device (such as a secondary node, a primary node, or a core network device), or a chip (such as a SOC or a baseband chip with communication functions). The specific meaning needs to be clarified in the context.

[0265] Terminal devices can be implemented in various forms. For example, the terminal devices described in this application may include smart terminal devices such as mobile phones, tablets, laptops, handheld computers, personal digital assistants (PDAs), portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.

[0266] The following description will use a mobile terminal as an example. Those skilled in the art will understand that, apart from elements specifically designed for mobile purposes, the construction according to the embodiments of this application can also be applied to fixed-type terminal devices.

[0267] Please refer to Figure 1, which is a schematic diagram of the hardware structure of a mobile terminal implementing various embodiments of this application. The mobile terminal 100 may include: a radio frequency unit 101, a WiFi module 102, an audio output unit 103, an A / V (audio / video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111, etc. Those skilled in the art will understand that the mobile terminal structure shown in Figure 1 does not constitute a limitation on the mobile terminal. The mobile terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0268] The following section, with reference to Figure 1, provides a detailed description of each component of the mobile terminal:

[0269] The radio frequency unit 101 can be used for receiving and transmitting signals during information transmission or calls. Specifically, it receives downlink information from the base station and processes it with the processor 110; additionally, it transmits uplink data to the base station. Typically, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, etc. And / or, the radio frequency unit 101 can also communicate wirelessly with networks and other devices. The aforementioned wireless communications may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution), 5G, and 6G.

[0270] WiFi is a short-range wireless transmission technology. Mobile terminals using WiFi module 102 can help users send and receive emails, browse web pages, and access streaming media, providing wireless broadband internet access. Although Figure 1 shows WiFi module 102, it is understood that it is not an essential component of the mobile terminal and can be omitted as needed without altering the essence of the invention.

[0271] The audio output unit 103 can convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into audio signals and output them as sound when the mobile terminal 100 is in call signal receiving mode, call mode, recording mode, voice recognition mode, broadcast receiving mode, or other modes. Furthermore, the audio output unit 103 can also provide audio output related to specific functions performed by the mobile terminal 100 (e.g., call signal receiving sound, message receiving sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.

[0272] The A / V input unit 104 is used to receive audio or video signals. The A / V input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042. The GPU 1041 processes image data of still images or videos acquired by an image capture device (such as a camera) in video capture mode or image capture mode. The processed image frames can be displayed on the display unit 106. The image frames processed by the GPU 1041 can be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) in operating modes such as telephone call mode, recording mode, and voice recognition mode, and can process such sound into audio data. The processed audio (voice) data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 101 in telephone call mode. The microphone 1042 can implement various types of noise cancellation (or suppression) algorithms to eliminate (or suppress) noise or interference generated during the reception and transmission of audio signals.

[0273] The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor. Optionally, the ambient light sensor can adjust the brightness of the display panel 1061 according to the ambient light level, and the proximity sensor can turn off the display panel 1061 and / or backlight when the mobile terminal 100 is moved to the ear. As a type of motion sensor, an accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when stationary. It can be used for applications that recognize the phone's posture (such as landscape / portrait switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), etc. Other sensors that may be configured in the phone, such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, and infrared sensors, will not be described in detail here.

[0274] The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

[0275] User input unit 107 can be used to receive input numerical or character information, and generate key signal inputs related to user settings and function control of the mobile terminal. Optionally, user input unit 107 may include touch panel 1071 and other input devices 1072. Touch panel 1071, also known as touch screen, can collect touch operations on or near the user (such as operations performed by the user using a finger, stylus, or any suitable object or accessory on or near touch panel 1071), and drive corresponding connection devices according to a pre-set program. Touch panel 1071 may include two parts: touch detection device and touch controller. Optionally, touch detection device detects the user's touch position and the signal generated by the touch operation, and transmits the signal to touch controller; touch controller receives touch information from touch detection device, converts it into touch point coordinates, sends it to processor 110, and can receive and execute commands from processor 110. And / or, touch panel 1071 can be implemented using various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may also include other input devices 1072. Optionally, other input devices 1072 may include, but are not limited to, one or more of the following: physical keyboard, function keys (such as volume control buttons, power buttons, etc.), trackball, mouse, joystick, etc., without being specifically limited here.

[0276] Optionally, the touch panel 1071 may cover the display panel 1061. When the touch panel 1071 detects a touch operation on or near it, it transmits the information to the processor 110 to determine the type of touch event. Subsequently, the processor 110 provides corresponding visual output on the display panel 1061 according to the type of touch event. Although in FIG. 1, the touch panel 1071 and the display panel 1061 are implemented as two independent components to realize the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to realize the input and output functions of the mobile terminal. The specific implementation is not limited here.

[0277] Interface unit 108 serves as an interface through which at least one external device can connect to mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input / output (I / O) port, a video I / O port, a headphone port, etc. Interface unit 108 may be used to receive input (e.g., data, power, etc.) from the external device and transmit the received input to one or more components within mobile terminal 100, or it may be used to transmit data between mobile terminal 100 and the external device.

[0278] The memory 109 can be used to store software programs and various data. The memory 109 may primarily include a program storage area and a data storage area. Optionally, the program storage area may store the operating system, applications required for at least one function (such as sound playback, image playback, etc.), etc.; the data storage area may store data created based on the use of the mobile phone (such as audio data, phonebook, etc.). And / or, the memory 109 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other volatile solid-state storage device.

[0279] The processor 110 is the control center of the mobile terminal. It connects various parts of the mobile terminal via various interfaces and lines. By running or executing software programs and / or modules stored in the memory 109, and by calling data stored in the memory 109, it performs various functions and processes data of the mobile terminal, thereby providing overall monitoring of the mobile terminal. The processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor. Optionally, the application processor mainly handles the operating system, user interface, and applications, while the modem processor mainly handles wireless communication. It is understood that the modem processor may not be integrated into the processor 110.

[0280] The mobile terminal 100 may also include a power supply 111 (such as a battery) that supplies power to various components. Preferably, the power supply 111 can be logically connected to the processor 110 through a power management system, thereby enabling functions such as charging, discharging, and power consumption management through the power management system.

[0281] Although not shown in Figure 1, the mobile terminal 100 may also include a Bluetooth module, etc., which will not be described in detail here.

[0282] To facilitate understanding of the embodiments of this application, the communication network system on which the mobile terminal of this application is based is described below.

[0283] Please refer to Figure 2, which is a communication network system architecture diagram provided in an embodiment of this application. The communication network system is an NR (New Radio) system based on general mobile communication technology, and is at least applied to 5G systems. The communication network system architecture includes 5GC (5G core network) and NG-RAN (5G radio access network). 5GC includes: AMF (Access and Mobility Management Function) and UPF (User Plane Function Entity); NG-RAN includes gNB, ng-gNB, etc.

[0284] Optionally, the AMF is used to perform registration, connection, reachability, and mobility management. It provides a session management message transmission channel for the UE (User Equipment) and SMF, and provides authentication and authorization functions for user access. It is the core network control plane access point for the UE and the radio network. The UPF is used for packet routing and forwarding, policy enforcement, traffic reporting, QoS processing, etc. The gNB is a key unit in the 5G (NR) wireless communication system. As a base station in the 5G Radio Access Network (RAN), it is responsible for establishing wireless connections with the UE and for data transmission between the UE and the core network.

[0285] Optionally, the communication network system architecture may also include the following service-based interfaces: Xn interface and NG interface, where Xn is the interface between gNBs (ng-gNBs); and NG is the interface between gNBs (ng-gNBs) and AMF and / or UPF.

[0286] Although the above description uses LTE and NR systems as examples, those skilled in the art should know that this application is not only applicable to LTE and NR systems, but also to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5GA, and future new network systems (such as 6G), etc., without limitation here.

[0287] Please refer to Figure 3, which is another communication network system architecture diagram provided in the embodiments of this application. The communication network system is a NR (New Radio) system of general mobile communication technology, which is at least applied to 5G systems. The network functions (NF) of the communication network system architecture may include: AUSF (Authentication Service Function), AMF (Access and Mobility Management Function), DN (Data Network) (e.g., operator services, Internet access or third-party services), NEF (Network Exposure Function), NRF (Network Repository Function), NSACF (Network Slice Admission Control Function), NSSAAF (Network Slice-Specific and SNPN Authentication and Authorization Function), NSSF (Network Slice Selection Function), PCF (Policy Control Function), SMF (Session Management Function), UDM (Unified Data Management), UPF (User Plane Function), AF (Application Function), UE (User Equipment), (R)AN ((Radio) Access Network), and EASDF (Edge Application Server Discovery Function).

[0288] Optionally, the communication network system architecture may also include the following network entities: SCP (Serving Communication Agent) and multiple interfaces. Specifically, interface N1 is the interface between the UE and AMF, N2 is the interface between the RAN and AMF, N3 is the interface between the RAN and UPF, N4 is the interface between the UPF and SMF, N6 is the interface between the UPF and DN, and N9 is the interface between UPFs.

[0289] Optionally, the communication network system architecture may further include the following service-based interfaces: Namf, Nsmf, Nnef, Npcf, Nudm, Naf, Nnrf, Nnsacf, Nnssf, Nnssaaf, Nausf, Neasdf, and Nupf, wherein Namf is the service-based interface presented by AMF, Nsmf is the service-based interface presented by SMF, Nnef is the service-based interface presented by NEF, Npcf is the service-based interface presented by PCF, Nudm is the service-based interface presented by UDM, Naf is the service-based interface presented by AF, Nnrf is the service-based interface presented by NRF, Nnsacf is the service-based interface presented by NSACF, Nnssf is the service-based interface presented by NSSF, Nnssaaf is the service-based interface presented by NSSAAF, Nausf is the service-based interface presented by AUSF, Neasdf is the service-based interface presented by EASDF, and Nupf is the service-based interface presented by UPF.

[0290] Although the above description uses LTE and NR systems as examples, those skilled in the art should know that this application is not only applicable to LTE and NR systems, but also to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5GA, and future new network systems (such as 6G), etc., without limitation here.

[0291] Figure 4 is a schematic diagram of the hardware structure of a controller 140 provided in this application. The controller 140 includes a memory 1401 and a processor 1402. The memory 1401 is used to store program instructions, and the processor 1402 is used to call the program instructions in the memory 1401 to execute the steps performed by the controller in the first embodiment of the above method. The implementation principle and beneficial effects are similar, and will not be described again here.

[0292] Optionally, the controller further includes a communication interface 1403, which can be connected to the processor 1402 via a bus 1404. The processor 1402 can control the communication interface 1403 to implement the receiving and sending functions of the controller 140.

[0293] Figure 5 is a schematic diagram of the hardware structure of a network node 150 provided in this application. The network node 150 includes a memory 1501 and a processor 1502. The memory 1501 is used to store program instructions, and the processor 1502 is used to call the program instructions in the memory 1501 to execute the steps performed by the first node in the above-described method embodiment. The implementation principle and beneficial effects are similar, and will not be described again here.

[0294] Optionally, the controller further includes a communication interface 1503, which can be connected to the processor 1502 via a bus 1504. The processor 1502 can control the communication interface 1503 to implement the receiving and sending functions of the network node 150.

[0295] The integrated modules described above, implemented as software functional modules, can be stored in a computer-readable storage medium. These software functional modules, stored in a storage medium, include several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to execute some steps of the methods of the various embodiments of this application.

[0296] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this application is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a storage medium or transmitted from one storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium can be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid-state disk, SSD), etc.

[0297] Based on the above-described mobile terminal hardware structure and communication network system, various embodiments of this application are proposed.

[0298] Technical terms used in this embodiment:

[0299] A-IoT: Ambient-IoT, the Internet of Things for the Environment;

[0300] IoT: Internet of Things;

[0301] CBRA: Contention Based Random Access;

[0302] CFRA: Contention-Free Random Access, based on non-contention-based random access;

[0303] D2R: Device to Reader;

[0304] PDRCH: Physical D2R Channel;

[0305] PRDCH: Physical R2D CHannel;

[0306] R2D: Reader to Device;

[0307] TrCH: Transport Channel;

[0308] DO-DTT: Device Originated-Device Terminated Trigger; triggered by device origination and device termination.

[0309] DT: Device Terminated;

[0310] DO-A: Device Originated-Autonomous;

[0311] LPWAN: Low Power Wide Area Network;

[0312] MTC: Machine Type Communication;

[0313] NB-IoT: Narrow Band Internet of Things;

[0314] RedCap: Reduced Capability, lightweight.

[0315] First Embodiment

[0316] Referring to Figure 6, which is a flowchart illustrating the communication method of the first embodiment of this application, the communication method of this embodiment can be applied to auxiliary nodes, including step S2:

[0317] S2: The secondary node sends a third identifier so that the primary node can determine or generate a fourth identifier.

[0318] Optionally, the secondary node sends a third identifier to the primary node so that the primary node can determine or generate a fourth identifier.

[0319] Alternatively, the secondary node is a network node in a dual-connectivity architecture that provides additional user plane resources.

[0320] Optionally, the master node is the network node responsible for the core control plane functions in the dual-connection architecture.

[0321] Optionally, the third identifier is XnAP-ID.

[0322] Optionally, in a wireless communication network, the master node and the slave node communicate through the Xn interface, which is a standardized interface for inter-node communication in 5G RAN defined by 3GPP.

[0323] Optionally, the third identifier is used to identify the target device on the Xn interface so that the master node can determine the target device through the third identifier.

[0324] Optionally, the target device is an A-IoT device.

[0325] Optionally, the third identifier is determined or generated by the auxiliary node.

[0326] Optionally, the third identifier is determined or generated after the secondary node receives the second identifier.

[0327] Optionally, the secondary node establishes and / or maintains the correspondence between the second identifier and the third identifier, proposing an A-IoT data communication scheme from the target device to the secondary node to improve the A-IoT data communication mechanism.

[0328] Optionally, after receiving the second identifier, the secondary node determines or generates a third identifier, establishes and / or maintains the correspondence between the second and third identifiers, and sends the third identifier to the primary node, so that the primary node determines or generates a fourth identifier after receiving the third identifier.

[0329] Optionally, the second identifier is RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device.

[0330] Optionally, the secondary node establishes and / or maintains the correspondence between XnAP-ID and RRC-ID, proposing an A-IoT data communication scheme from the target device to the secondary node to improve the A-IoT data communication mechanism.

[0331] Optionally, after receiving the RRC-ID, the secondary node determines or generates the XnAP-ID, establishes and / or maintains the correspondence between the XnAP-ID and the RRC-ID, and sends the XnAP-ID to the primary node, so that the primary node determines or generates the fourth identifier after receiving the XnAP-ID.

[0332] Optionally, the master node determines or generates a fourth identifier after receiving the third identifier.

[0333] Optionally, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier, proposing an A-IoT data communication scheme from the target device to the master node to improve the A-IoT data communication mechanism.

[0334] Optionally, after receiving the third identifier, the master node determines or generates a fourth identifier, establishes and / or maintains the correspondence between the third identifier and the fourth identifier, and sends the fourth identifier to the core network device so that the core network device can identify the target device through the fourth identifier.

[0335] Optionally, the fourth identifier is NGAP-ID.

[0336] Optionally, the master node and core network devices communicate via the NG interface.

[0337] Optionally, the fourth identifier is used to identify the target device on the NG interface.

[0338] Optionally, the master node establishes and / or maintains the correspondence between XnAP-ID and NGAP-ID, proposing an A-IOT data communication scheme from the target device to the master node to improve the A-IOT data communication mechanism.

[0339] Optionally, after receiving the XnAP-ID, the master node determines or generates the NGAP-ID, establishes and / or maintains the correspondence between the XnAP-ID and the NGAP-ID, and sends the NGAP-ID to the core network device so that the core network device can identify the target device through the NGAP-ID.

[0340] Optionally, the second identifier is sent by the terminal device.

[0341] Optionally, the second identifier is determined or generated after the terminal device receives the device ID.

[0342] Optionally, in a wireless communication network, the terminal device and the auxiliary node communicate through the uu interface.

[0343] Optionally, the second identifier is used to identify the target device on the uu interface so that the secondary node can determine the target device through the second identifier.

[0344] Optionally, the terminal device is configured as a reader.

[0345] Optionally, the terminal device determines or generates a second identifier after receiving the device ID.

[0346] Optionally, after receiving the device ID, the terminal device determines or generates a second identifier and sends the second identifier to the auxiliary node, so that the auxiliary node determines or generates a third identifier after receiving the second identifier.

[0347] Optionally, after receiving the device ID, the terminal device determines or generates an RRC-ID and sends the RRC-ID to the secondary node, so that the secondary node determines or generates an XnAP-ID after receiving the RRC-ID.

[0348] Optionally, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier, proposing an A-IoT data communication scheme from the target device to the terminal device to improve the A-IoT data communication mechanism.

[0349] Optionally, after receiving the device ID, the terminal device determines or generates a second identifier, establishes and / or maintains the correspondence between the first identifier and the second identifier, and sends the second identifier to the auxiliary node, so that the auxiliary node determines or generates a third identifier after receiving the second identifier.

[0350] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first and second identifiers and sends the second identifier to the auxiliary node, the auxiliary node determines or generates a third identifier after receiving the second identifier, the auxiliary node establishes and / or maintains the correspondence between the second and third identifiers and sends the third identifier to the master node, the master node determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third and fourth identifiers and sends the fourth identifier to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0351] Optionally, the first identifier is AS-ID.

[0352] Optionally, the first identifier is used to identify the target device between the terminal device and the target device.

[0353] Optionally, after receiving the device ID, the terminal device determines or generates an RRC-ID, establishes and / or maintains the correspondence between the AS-ID and the RRC-ID, and sends the RRC-ID to the secondary node, so that the secondary node determines or generates an XnAP-ID after receiving the RRC-ID.

[0354] Optionally, the second identifier and the first identifier are different. For example, as shown in Figure 7, an access network device (such as a base station) covers an area with at least one terminal device (such as terminal device 1, terminal device 2, ..., terminal device x, etc.) and at least one target device (target device 1, target device 2, ..., target device x, etc.). The first identifier assigned by the terminal device to the target device is AS-ID, and the second identifier assigned by the terminal device to each target device is RRC-ID. RRC-ID is used to identify the target device between the terminal device and the target device on the uu interface. Data is transmitted on the uu interface through RRC signaling, and the terminal device maintains the correspondence between AS-ID and RRC-ID.

[0355] Optionally, the second identifier is the same as the first identifier. For example, as shown in Figure 8, an access network device (such as a base station) has at least one terminal device (such as terminal device 1, terminal device 2, ..., terminal device x, etc.) and at least one target device (target device 1, target device 2, ..., target device x, etc.) in its coverage area. The first identifier assigned by the terminal device to the target device is AS-ID, and the second identifier assigned by the terminal device to the target device is also AS-ID. That is, the terminal device does not assign RRC-ID. When transmitting data of the target device through RRC signaling on the uu interface, if the data is related to a target device, it needs to carry AS-ID. The secondary node in the access network device maintains the correspondence between AS-ID and XnAP-ID, and the primary node in the access network device maintains the correspondence between XnAP-ID and NGAP-ID.

[0356] Optionally, the second identifier includes the first identifier.

[0357] Optionally, the device ID is sent by the target device.

[0358] Optionally, when the second identifier is RRC-ID, the second identifier is different from the first identifier. The target device sends a device ID to the terminal device, the terminal device determines or generates an RRC-ID, the terminal device establishes and / or maintains the correspondence between AS-ID and RRC-ID and sends the RRC-ID to the auxiliary node, the auxiliary node determines or generates an XnAP-ID after receiving the second identifier, the auxiliary node establishes and / or maintains the correspondence between RRC-ID and XnAP-ID and sends the XnAP-ID to the master node, the master node determines or generates an NGAP-ID, the master node establishes and / or maintains the correspondence between XnAP-ID and NGAP-ID and sends the NGAP-ID to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0359] Optionally, when the second identifier is AS-ID, the second identifier is the same as the first identifier. The target device sends the device ID to the terminal device, the terminal device determines or generates the AS-ID, the terminal device sends the AS-ID to the auxiliary node, the auxiliary node determines or generates the XnAP-ID after receiving the AS-ID, the auxiliary node establishes and / or maintains the correspondence between AS-ID and XnAP-ID and sends the XnAP-ID to the master node, the master node determines or generates the NGAP-ID, the master node establishes and / or maintains the correspondence between XnAP-ID and NGAP-ID and sends the NGAP-ID to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0360] Optionally, when the second identifier is the AS-ID and the reader ID of the terminal device, the second identifier includes the first identifier. The target device sends the device ID to the terminal device, the terminal device determines or generates the AS-ID and the reader ID of the terminal device, the terminal device sends the AS-ID and the reader ID of the terminal device to the auxiliary node, the auxiliary node determines or generates the XnAP-ID after receiving the AS-ID and the reader ID of the terminal device, the auxiliary node establishes and / or maintains the correspondence between the AS-ID, the reader ID of the terminal device and the XnAP-ID and sends the XnAP-ID to the master node, the master node determines or generates the NGAP-ID, the master node establishes and / or maintains the correspondence between the XnAP-ID and the NGAP-ID and sends the NGAP-ID to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0361] Optionally, the third identifier is included in the second signaling.

[0362] Optionally, the secondary node sends the first inventory report to the primary node via the second signaling, and sends the third identifier in the second signaling to the primary node via the second signaling.

[0363] Optionally, the second signaling is XnAP signaling.

[0364] Optionally, the XnAP signaling includes the XnAP-ID.

[0365] Optionally, the XnAP signaling is an RRC TRANSFER message.

[0366] Optionally, the first inventory report includes at least one of the following: device ID, security parameter X, and N2.

[0367] Optionally, when the secondary node sends the first inventory report to the primary node via the second signaling, the first inventory report is carried in the second signaling in the form of a container.

[0368] Optionally, the second identifier is included in the first signaling.

[0369] Optionally, the terminal device sends a first inventory report to the secondary node via a first signaling, and sends a second identifier in the first signaling to the secondary node via the first signaling.

[0370] Optionally, when the terminal device sends the first inventory report to the secondary node via the first signaling, the first inventory report is carried in the first signaling in the form of a container.

[0371] Optionally, the auxiliary node receives the first inventory report sent by the terminal device via the first signaling.

[0372] Optionally, the first signaling is RRC signaling.

[0373] Optionally, the terminal device sends the first inventory report to the secondary node via RRC signaling, and sends the second identifier in the RRC signaling to the secondary node via RRC signaling.

[0374] Optionally, the RRC signaling includes a first RRC signaling.

[0375] Optionally, the first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling.

[0376] Optionally, the terminal device sends the first inventory report to the secondary node via D2R information transmission signaling and / or uplink information transmission signaling, and sends the second identifier to the secondary node via D2R information transmission signaling and / or uplink information transmission signaling.

[0377] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier and sends a first inventory report to the secondary node through a first signaling containing the second identifier, the secondary node receives the first inventory report sent by the terminal device through the first signaling, determines or generates a third identifier, the secondary node establishes and / or maintains the correspondence between the second identifier and the third identifier and sends a first inventory report to the master node through a second signaling containing the third identifier, the master node determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier and sends a second inventory report to the core network device through a third signaling containing the fourth identifier.

[0378] Optionally, in a dual-connectivity scenario, the terminal device can connect to both the primary node and the secondary node simultaneously, enabling the primary and secondary nodes to work together to provide services to the terminal device.

[0379] Referring to Figure 9, which is a schematic diagram of the target cell and / or radio resources associated with the terminal device determined by the master node in this application.

[0380] Optionally, the master node determines the target cell and / or radio resources associated with the terminal device.

[0381] Optionally, the master node determines the target cell and / or radio resources associated with the terminal device, and instructs the slave node to configure the radio resources and / or target cell identifier associated with the terminal device through a second signaling, and / or establish an SRB for transmitting A-IoT resources.

[0382] Optionally, the secondary node receives instructions from the primary node via a second signaling to configure the radio resources associated with the terminal device and / or the target cell identifier based on the instructions from the primary node, and / or to establish an SRB for transmitting A-IoT resources.

[0383] Optionally, the SRB used for transmitting A-IoT resources is SRB6.

[0384] Optionally, the access network device configures the configuration information of the radio resources associated with the terminal device.

[0385] Optionally, the access network device is configured with the serving cell identifier of the radio resource.

[0386] Optionally, the access network equipment is configured such that the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data belongs to the MCG, or the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data belongs to the SCG.

[0387] Optionally, the access network device instructs the terminal device to configure SRB.

[0388] Optionally, the access network equipment implements the RRC entity for A-IoT service data transmission based on the instructions and configuration of the terminal equipment.

[0389] Optionally, the secondary node configures the configuration information of the wireless resources associated with the terminal device.

[0390] Optionally, the secondary node can be configured with the serving cell identifier where the radio resources are located.

[0391] Optionally, the master node instructs the RRC entity where the terminal device forwards or receives A-IoT data to belong to either the MCG or the SCG.

[0392] Optionally, the auxiliary node is configured such that the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data belongs to the MCG, or the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data belongs to the SCG.

[0393] Optionally, the secondary node instructs the terminal device to configure SRB.

[0394] Optionally, the secondary node instructs the terminal device's reader to configure SRB, SRB1, SRB2, and SRB4 for transmitting A-IoT resources.

[0395] Optionally, the SRB used for transmitting A-IoT resources is a new SRB.

[0396] Optionally, the auxiliary node implements the RRC entity for A-IoT service data transmission based on the instructions and configuration of the terminal device.

[0397] Optionally, the terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

[0398] This embodiment proposes an A-IoT data communication scheme by having the secondary node send a third identifier so that the primary node can determine or generate a fourth identifier, thereby improving the A-IoT data communication mechanism.

[0399] Second Embodiment

[0400] Referring to Figure 10, which is a flowchart illustrating the communication method of the second embodiment of this application, based on the first embodiment of this application, the second embodiment of this application is proposed. This embodiment further discloses another communication method applied to a secondary node, including the following steps 1 to 27:

[0401] Step 1: The core network equipment sends the inventory request to the master node via third signaling;

[0402] Optionally, the third signaling is NGAP signaling.

[0403] Optionally, the third signaling includes a fourth identifier.

[0404] Optionally, the NGAP signaling includes the NGAP-ID.

[0405] Optionally, the inventory request carries configuration information that triggers paging.

[0406] Optionally, the configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0407] Optionally, the inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling.

[0408] Optionally, the core network equipment triggers a service, and the core network equipment sends an inventory request to the master node via third signaling.

[0409] Optionally, the core network equipment triggers a service, and the core network equipment sends an inventory request to the master node via NGAP signaling.

[0410] Step 2: The master node sends the inventory request to the slave node via the second signaling;

[0411] Optionally, the second signaling is XnAP signaling.

[0412] Optionally, the XnAP signaling includes the XnAP-ID.

[0413] Optionally, the XnAP signaling is an RRC TRANSFER message.

[0414] Optionally, the master node receives the inventory request sent by the core network device via the third signaling and sends the inventory request to the slave node via the second signaling.

[0415] Optionally, the master node receives the inventory request sent by the core network device via NGAP signaling and sends the inventory request to the slave node via XnAP signaling.

[0416] Step 3: The auxiliary node sends the inventory request to the terminal device via the first signaling;

[0417] Optionally, the first signaling is RRC signaling.

[0418] Optionally, the secondary node sends the inventory request to the terminal device via RRC signaling.

[0419] Optionally, the RRC signaling includes a first RRC signaling and / or a second RRC signaling.

[0420] Optionally, the secondary node sends the inventory request to the terminal device via a second RRC signaling.

[0421] Optionally, the second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling.

[0422] Optionally, the secondary node sends the inventory request to the terminal device via R2D information transmission signaling and / or uplink information transmission signaling.

[0423] Optionally, the secondary node receives the inventory request sent by the primary node via the second signaling and sends the inventory request to the terminal device via the first signaling.

[0424] Optionally, the secondary node receives the inventory request sent by the primary node via XnAP signaling, and sends the inventory request to the terminal device via R2D information transmission signaling and / or uplink information transmission signaling.

[0425] Step 4: The terminal device sends the inventory response to the access network device via the first signaling;

[0426] Optionally, the access network equipment includes secondary nodes and / or primary nodes.

[0427] Optionally, the terminal device sends the inventory response to the access network device via RRC signaling.

[0428] Optionally, the terminal device sends the inventory response to the access network device via the first RRC signaling.

[0429] Optionally, the first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling.

[0430] Optionally, the terminal device sends the inventory response to the access network device via D2R information transmission signaling and / or uplink information transmission signaling.

[0431] Optionally, the inventory response is carried in a container within the first signaling.

[0432] Step 5: The access network equipment sends the inventory response to the core network equipment;

[0433] Optionally, the core network device triggers a service, sends an inventory request to the master node via a third signaling, the secondary node receives the inventory request from the master node via a second signaling, the secondary node sends the inventory request to the terminal device via a first signaling, the terminal device returns an inventory response to the access network device via a first signaling, and the access network device sends the inventory response to the core network device.

[0434] Optionally, the core network equipment triggers a service, sends an inventory request to the master node via NGAP signaling, the secondary node receives the inventory request sent by the master node via XnAP signaling, the secondary node sends the inventory request to the terminal device via RRC signaling, the terminal device sends an inventory response to the access network equipment via RRC signaling, and the access network equipment sends the inventory response to the core network equipment.

[0435] Optionally, the core network equipment triggers a service, sends an inventory request to the master node via NGAP signaling, the secondary node receives the inventory request sent by the master node via XnAP signaling, the secondary node sends the inventory request to the terminal equipment via R2D information transmission signaling and / or uplink information transmission signaling, the terminal equipment sends an inventory response to the access network equipment via D2R information transmission signaling and / or uplink information transmission signaling, and the access network equipment sends the inventory response to the core network equipment.

[0436] Step 6: The terminal device sends an A-IOT paging command to the target device;

[0437] Optionally, the terminal device sends an A-IOT paging command to the target device so that the target device can determine whether it needs to respond to the A-IOT paging command.

[0438] Optionally, the A-IOT paging command includes at least one of the following: device identification information paging identifier, key parameter N1, and random access resource configuration parameters.

[0439] Step 7: If the target device matches the paging identifier in the device identification information of the A-IOT paging command, the target device needs to respond to the A-IOT paging command;

[0440] Step 8: Calculate the safety parameter X for the target device;

[0441] Optionally, security parameter X = function 1(key1, key parameter N1), key2 = function 2(key1, key parameter N1, key parameter N2).

[0442] Step 9: The terminal device sends an access trigger request to the target device;

[0443] Step 10: The target device sends message 1 to the terminal device;

[0444] Optionally, message 1 contains a random ID.

[0445] Step 11: The terminal device sends message 2 to the target device;

[0446] Optionally, in response to the random ID, the terminal device returns message 2 to the target device.

[0447] Optionally, message 2 includes at least one of RN16, AS-ID, and radio resource information for sending message 3.

[0448] Optionally, RN16 is a 16-bit random number generated for the target device.

[0449] Step 12: The target device sends message 3 to the terminal device;

[0450] Optionally, the target device sends message 3 to the terminal device via D2R uplink information transmission signaling.

[0451] Optionally, message 3 includes at least one of device ID, security parameter X, and N2.

[0452] Optionally, the target device determines whether it needs to respond to the A-IOT paging command. If the target device determines that it needs to respond to the A-IOT paging command, and / or the A-IOT paging command triggers contention-based random access, then it initiates a random access procedure, receives random response information, and obtains the radio resource information of the sending device ID from the random response information.

[0453] Optionally, the radio resource information is the radio resource information sent in message 3.

[0454] Optionally, the random response information includes the AS-ID assigned by the terminal device.

[0455] Optionally, the AS-ID identifies the target device between the terminal device and the target device.

[0456] Optionally, if the target device determines that it needs to respond to the A-IOT paging command, and / or the A-IOT paging command triggers contention-free random access, then the radio resource information of the sending device ID is obtained from the A-IOT paging command.

[0457] Optionally, the target device sends a device ID to the terminal device based on radio resource information.

[0458] Step 13: The terminal device determines or generates a second identifier, and establishes and / or maintains the correspondence between the first identifier and the second identifier;

[0459] Step 14: The terminal device sends the first inventory report to the auxiliary node;

[0460] Optionally, the first inventory report includes at least one of the following: device ID, security parameter X, and N2.

[0461] Optionally, the first inventory report is carried in a container within at least one of the first signaling and the second signaling.

[0462] Optionally, the terminal device determines or generates a second identifier, establishes and / or maintains the correspondence between the first identifier and the second identifier, and sends a first inventory report to the auxiliary node through a first signaling message containing the second identifier.

[0463] Step 15: The auxiliary node determines or generates a third identifier, and establishes and / or maintains the correspondence between the second identifier and the third identifier;

[0464] Step 16: The secondary node sends the first inventory report to the primary node;

[0465] Optionally, the secondary node receives the first inventory report sent by the terminal device via the first signaling, determines or generates a third identifier, establishes and / or maintains the correspondence between the second identifier and the third identifier, and sends the first inventory report to the primary node via the second signaling containing the third identifier.

[0466] Step 17: The master node determines or generates the fourth identifier, and establishes and / or maintains the correspondence between the third identifier and the fourth identifier;

[0467] Step 18: The master node sends a second inventory report to the core network equipment;

[0468] Optionally, the second inventory report includes the first inventory report and / or a fourth identifier.

[0469] Optionally, the second inventory report is carried in a container within the third signaling.

[0470] Optionally, the master node determines or generates a fourth identifier, establishes and / or maintains the correspondence between the third and fourth identifiers, and sends a second inventory report to the core network equipment via third signaling containing the fourth identifier.

[0471] Optionally, the target device sends a device ID to the terminal device based on radio resource information. The terminal device determines or generates a second identifier. The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier and sends a first inventory report to the secondary node through a first signaling message containing the second identifier. The secondary node receives the first inventory report sent by the terminal device through the first signaling message, determines or generates a third identifier, establishes and / or maintains the correspondence between the second identifier and the third identifier, and sends a first inventory report to the master node through a second signaling message containing the third identifier. The master node determines or generates a fourth identifier, establishes and / or maintains the correspondence between the third identifier and the fourth identifier, and sends a second inventory report to the core network device through a third signaling message containing the fourth identifier.

[0472] Step 19: The core network equipment generates security parameter X;

[0473] Optionally, security parameter X = function 1(key1, key parameter N1), key2 = function 2(key1, key parameter N1, key parameter N2).

[0474] Step 20: The core network equipment sends a command request to the master node via third signaling;

[0475] Optionally, the command request is carried in the form of a container within at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling.

[0476] Step 21: The master node sends a command request to the slave node via the second signaling;

[0477] Step 22: The secondary node sends a command request to the terminal device via the first signaling;

[0478] Optionally, the secondary node sends the command request to the terminal device via a second RRC signaling.

[0479] Optionally, the secondary node sends the command request to the terminal device via R2D information transmission signaling and / or uplink information transmission signaling.

[0480] Step 23: The terminal device sends a command request to the target device via R2D upper-layer data transmission signaling;

[0481] Optionally, the core network device sends the command request to the master node via the third signaling, the auxiliary node receives the command request sent by the master node via the second signaling, the auxiliary node sends the command request to the terminal device via the first signaling, and the terminal device sends the command request to the target device via R2D upper layer data transmission signaling.

[0482] Optionally, the core network device sends the command request to the master node via NGAP signaling, the secondary node receives the command request sent by the master node via XnAP signaling, the secondary node sends the command request to the terminal device via RRC signaling, and the terminal device sends the command request to the target device via R2D upper-layer data transmission signaling.

[0483] Optionally, the core network device sends the command request to the master node via NGAP signaling, the master node sends the command request to the slave node via XnAP signaling, the slave node sends the command request to the terminal device via R2D information transmission signaling and / or uplink information transmission signaling, and the terminal device sends the command request to the target device via R2D upper-layer data transmission signaling.

[0484] Step 24: The target device sends a command response to the terminal device via D2R upper-layer data transmission signaling;

[0485] Optionally, the command response is carried in a container in at least one of the first signaling, the second signaling, the third signaling, and the D2R upper-layer data transmission.

[0486] Step 25: The terminal device sends the command response to the secondary node via the first signaling;

[0487] Optionally, the terminal device sends a command response to the secondary node via the first RRC signaling.

[0488] Optionally, the terminal device sends the command response to the secondary node via D2R information transmission signaling and / or uplink information transmission signaling.

[0489] Step 26: The secondary node sends the command response to the primary node via the second signaling;

[0490] Step 27: The master node sends the command response to the core network equipment via third signaling.

[0491] Optionally, the target device sends a command response to the terminal device via D2R upper-layer data transmission signaling, the secondary node receives the command response sent by the terminal device via a first signaling, the secondary node sends the command response to the master node via a second signaling, and the master node sends the command response to the core network device via a third signaling.

[0492] Optionally, the target device sends a command response to the terminal device via D2R upper-layer data transmission signaling, the secondary node receives the command response sent by the terminal device via RRC signaling, the secondary node sends the command response to the master node via XnAP signaling, and the master node sends the command response to the core network device via NGAP signaling.

[0493] Optionally, the target device sends a command response to the terminal device via D2R upper-layer data transmission signaling, the secondary node receives the command response sent by the terminal device via D2R information transmission signaling and / or uplink information transmission signaling, the secondary node sends the command response to the master node via XnAP signaling, and the master node sends the command response to the core network device via NGAP signaling.

[0494] This embodiment proposes an A-IoT data communication scheme to improve the A-IoT data communication mechanism by having a secondary node determine or generate a third identifier and establish and / or maintain the correspondence between the second and third identifiers. The secondary node sends the third identifier to the primary node, and the primary node determines or generates a fourth identifier and establishes and / or maintains the correspondence between the third and fourth identifiers.

[0495] Third Embodiment

[0496] Referring to Figure 11, which is a flowchart illustrating the communication method of the third embodiment of this application, the communication method of the third embodiment of this application can be applied to the master node, including step S3:

[0497] Step S3: Upon receiving the third identifier sent by the secondary node, the primary node determines or generates the fourth identifier.

[0498] Optionally, the third identifier is XnAP-ID.

[0499] Optionally, the third identifier is used to identify the target device on the Xn interface.

[0500] Optionally, the fourth identifier is NGAP-ID.

[0501] Optionally, the fourth identifier is used to identify the target device on the NG interface.

[0502] Optionally, the master node determines or generates a fourth identifier after receiving the third identifier.

[0503] Optionally, the master node sends a fourth identifier to the core network equipment.

[0504] Optionally, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier, proposing an A-IoT data communication scheme from the target device to the master node to improve the A-IoT data communication mechanism.

[0505] Optionally, the master node establishes and / or maintains the correspondence between XnAP-ID and NGAP-ID, proposing an A-IOT data communication scheme from the target device to the master node to improve the A-IOT data communication mechanism.

[0506] Optionally, after receiving the third identifier, the master node determines or generates a fourth identifier, establishes and / or maintains the correspondence between the third identifier and the fourth identifier, and sends the fourth identifier to the core network device so that the core network device can identify the target device through the fourth identifier.

[0507] Optionally, after receiving the XnAP-ID, the master node determines or generates the NGAP-ID, establishes and / or maintains the correspondence between the XnAP-ID and the NGAP-ID, and sends the NGAP-ID to the core network device so that the core network device can identify the target device through the NGAP-ID.

[0508] Optionally, the third identifier is determined or generated by the auxiliary node.

[0509] Optionally, the third identifier is determined or generated by the auxiliary node after receiving the second identifier.

[0510] Optionally, the secondary node establishes and / or maintains the correspondence between the second identifier and the third identifier, proposing an A-IoT data communication scheme from the target device to the secondary node to improve the A-IoT data communication mechanism.

[0511] Optionally, the second identifier is determined or generated by the terminal device.

[0512] Optionally, the second identifier is determined or generated by the terminal device after receiving the device ID.

[0513] Optionally, the second identifier is RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device.

[0514] Optionally, the second identifier is sent by the terminal device.

[0515] Optionally, the second identifier is used to identify the target device on the uu interface so that the secondary node can determine the target device through the second identifier.

[0516] Optionally, after receiving the device ID, the terminal device determines or generates a second identifier, establishes and / or maintains the correspondence between the first identifier and the second identifier, and sends the second identifier to the auxiliary node, so that the auxiliary node determines or generates a third identifier after receiving the second identifier.

[0517] Optionally, the first identifier is AS-ID.

[0518] Optionally, the first identifier is used to identify the target device between the terminal device and the target device.

[0519] Optionally, the second identifier may be the same as or different from the first identifier.

[0520] Optionally, the second identifier includes the first identifier.

[0521] Optionally, the device ID is sent by the target device.

[0522] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first and second identifiers and sends the second identifier to the auxiliary node, the auxiliary node determines or generates a third identifier, the auxiliary node establishes and / or maintains the correspondence between the second and third identifiers and sends the third identifier to the master node, and the master node, in response to receiving the third identifier sent by the auxiliary node, determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third and fourth identifiers and sends the fourth identifier to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0523] Optionally, the third identifier is included in the second signaling.

[0524] Optionally, the master node receives the first inventory report sent by the slave node via a second signaling.

[0525] Optionally, the second signaling is XnAP signaling.

[0526] Optionally, the XnAP signaling includes the XnAP-ID.

[0527] Optionally, the XnAP signaling is an RRC TRANSFER message.

[0528] Optionally, the first inventory report includes at least one of the following: device ID, security parameter X, and N2.

[0529] Optionally, when the master node receives the first inventory report sent by the slave node via the second signaling, the first inventory report is carried in the second signaling in the form of a container.

[0530] Optionally, the master node sends the second inventory report to the core network equipment via a third signaling.

[0531] Optionally, the third signaling is NGAP signaling.

[0532] Optionally, the third signaling includes a fourth identifier.

[0533] Optionally, the NGAP signaling includes the NGAP-ID.

[0534] Optionally, the second inventory report includes the first inventory report and / or a fourth identifier.

[0535] Optionally, the second inventory report includes at least one of the following: device ID, security parameter X, N2, and NGAP-ID.

[0536] Optionally, the second inventory report is carried in a container within the third signaling.

[0537] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier and sends a first inventory report to the auxiliary node through a first signaling containing the second identifier, the auxiliary node determines or generates a third identifier, the auxiliary node establishes and / or maintains the correspondence between the second identifier and the third identifier and sends a first inventory report to the master node through a second signaling containing the third identifier, the master node receives the first inventory report sent by the auxiliary node through the second signaling and determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier and sends a second inventory report to the core network device through a third signaling containing the fourth identifier.

[0538] Optionally, the first signaling is RRC signaling.

[0539] Optionally, the master node determines the target cell and / or radio resources associated with the terminal device.

[0540] Optionally, the master node instructs the terminal device to configure the reader via the first signaling.

[0541] Optionally, the master node determines the target cell and / or radio resources associated with the terminal device, and instructs the slave node to configure the radio resources and / or target cell identifier associated with the terminal device through a second signaling, and / or establish an SRB for transmitting A-IoT resources.

[0542] Optionally, the SRB used for transmitting A-IoT resources is SRB6.

[0543] Optionally, the access network device configures the configuration information of the radio resources associated with the terminal device.

[0544] Optionally, the access network device is configured with the serving cell identifier of the radio resource.

[0545] Optionally, the access network equipment is configured such that the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data belongs to the MCG, or the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data belongs to the SCG.

[0546] Optionally, the access network device instructs the terminal device to configure SRB.

[0547] Optionally, the access network equipment implements the RRC entity for A-IoT service data transmission based on the instructions and configuration of the terminal equipment.

[0548] Optionally, the master node configures the configuration information of the wireless resources associated with the terminal device.

[0549] Optionally, the master node is configured with the serving cell identifier where the radio resources are located.

[0550] Optionally, the master node instructs the RRC entity where the terminal device forwards or receives A-IoT data to belong to either the MCG or the SCG.

[0551] Optionally, the master node is configured to configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the MCG, or to configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the SCG.

[0552] Optionally, the master node instructs the terminal device to configure SRB.

[0553] Optionally, the master node instructs the terminal device's reader to configure SRB, SRB1, SRB2, and SRB4 for transmitting A-IoT resources.

[0554] Optionally, the SRB used for transmitting A-IoT resources is a new SRB.

[0555] Optionally, the master node configures the RRC entity for A-IoT service data transmission based on the instructions of the terminal device.

[0556] Optionally, the terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

[0557] This embodiment proposes an A-IoT data communication scheme by having the master node respond to the third identifier sent by the slave node and determine or generate a fourth identifier, thereby improving the A-IoT data communication mechanism.

[0558] Fourth embodiment

[0559] Referring to Figure 12, which is a flowchart illustrating the communication method of the fourth embodiment of this application, the communication method of the fourth embodiment of this application can be applied to core network equipment, including step S4:

[0560] Step S4: The core network device receives the fourth identifier sent by the master node. The fourth identifier is determined or generated by the master node in response to receiving the third identifier sent by the slave node.

[0561] Optionally, the fourth identifier is NGAP-ID.

[0562] Optionally, the master node and core network devices communicate via the NG interface.

[0563] Optionally, the fourth identifier is used to identify the target device on the NG interface.

[0564] Optionally, the third identifier is XnAP-ID.

[0565] Optionally, the third identifier is used to identify the target device on the Xn interface so that the master node can determine the target device through the third identifier.

[0566] Optionally, the master node determines or generates a fourth identifier after receiving the third identifier.

[0567] Optionally, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier, proposing an A-IoT data communication scheme from the target device to the master node to improve the A-IoT data communication mechanism.

[0568] Optionally, after receiving the third identifier, the master node determines or generates a fourth identifier, establishes and / or maintains the correspondence between the third identifier and the fourth identifier, and sends the fourth identifier to the core network device so that the core network device can identify the target device through the fourth identifier.

[0569] Optionally, the master node establishes and / or maintains the correspondence between XnAP-ID and NGAP-ID, proposing an A-IOT data communication scheme from the target device to the master node to improve the A-IOT data communication mechanism.

[0570] Optionally, after receiving the XnAP-ID, the master node determines or generates the NGAP-ID, establishes and / or maintains the correspondence between the XnAP-ID and the NGAP-ID, and sends the NGAP-ID to the core network device so that the core network device can identify the target device through the NGAP-ID.

[0571] Optionally, the third identifier is determined or generated by the auxiliary node.

[0572] Optionally, the third identifier is determined or generated after the secondary node receives the second identifier.

[0573] Optionally, the secondary node establishes and / or maintains the correspondence between the second identifier and the third identifier, proposing an A-IoT data communication scheme from the target device to the secondary node to improve the A-IoT data communication mechanism.

[0574] Optionally, after receiving the second identifier, the secondary node determines or generates a third identifier, establishes and / or maintains the correspondence between the second and third identifiers, and sends the third identifier to the primary node, so that the primary node determines or generates a fourth identifier after receiving the third identifier.

[0575] Optionally, the second identifier is determined or generated by the terminal device.

[0576] Optionally, the second identifier is determined or generated by the terminal device after receiving the device ID.

[0577] Optionally, the second identifier is RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device.

[0578] Optionally, the second identifier is sent by the terminal device.

[0579] Optionally, the second identifier is used to identify the target device on the uu interface so that the secondary node can determine the target device through the second identifier.

[0580] Optionally, after receiving the device ID, the terminal device determines or generates a second identifier, establishes and / or maintains the correspondence between the first identifier and the second identifier, and sends the second identifier to the auxiliary node, so that the auxiliary node determines or generates a third identifier after receiving the second identifier.

[0581] Optionally, the first identifier is AS-ID.

[0582] Optionally, the first identifier is used to identify the target device between the terminal device and the target device.

[0583] Optionally, the second identifier may be the same as or different from the first identifier.

[0584] Optionally, the second identifier includes the first identifier.

[0585] Optionally, the device ID is sent by the target device.

[0586] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first and second identifiers and sends the second identifier to the auxiliary node, the auxiliary node determines or generates a third identifier, the auxiliary node establishes and / or maintains the correspondence between the second and third identifiers and sends the third identifier to the master node, and the master node, in response to receiving the third identifier sent by the auxiliary node, determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third and fourth identifiers and sends the fourth identifier to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0587] Optionally, the fourth identifier is included in the third signaling.

[0588] Optionally, the third signaling is NGAP signaling.

[0589] Optionally, the third signaling includes a fourth identifier.

[0590] Optionally, the NGAP signaling includes the NGAP-ID.

[0591] Optionally, the core network equipment receives the second inventory report sent by the master node via the third signaling, and receives the fourth identifier in the third signaling.

[0592] Optionally, the second inventory report includes the first inventory report and / or a fourth identifier.

[0593] Optionally, the first inventory report includes at least one of the following: device ID, security parameter X, and N2.

[0594] Optionally, the second inventory report includes at least one of the following: device ID, security parameter X, N2, and NGAP-ID.

[0595] Optionally, the second inventory report is carried in a container within the third signaling.

[0596] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier and sends a first inventory report to the secondary node through a first signaling containing the second identifier, the secondary node determines or generates a third identifier, the secondary node establishes and / or maintains the correspondence between the second identifier and the third identifier and sends a first inventory report to the master node through a second signaling containing the third identifier, the master node determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier and sends a second inventory report to the core network device through a third signaling containing the fourth identifier.

[0597] Optionally, the first signaling is RRC signaling.

[0598] Optionally, the second signaling is XnAP signaling.

[0599] Optionally, the second signaling includes a third identifier.

[0600] The technical solution of this embodiment specifically involves the core network device receiving a fourth identifier sent by the master node. The fourth identifier is determined or generated by the master node in response to receiving a third identifier sent by the auxiliary node. The third identifier is determined or generated by the auxiliary node in response to receiving a second identifier sent by the terminal device. The second identifier is determined or generated by the terminal device in response to receiving a device ID sent by the target device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0601] Fifth embodiment

[0602] Referring to Figure 13, which is a flowchart illustrating the communication method of the fifth embodiment of this application, the communication method of the fifth embodiment of this application can be applied to a terminal device and includes step S1:

[0603] Step S1: The terminal device sends a second identifier so that the secondary node can determine or generate a third identifier and send the third identifier to the primary node.

[0604] Optionally, the terminal device is configured as a reader.

[0605] Optionally, the second identifier is RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device.

[0606] Optionally, the reader ID of the terminal device is an identifier assigned to the reader of the terminal device by the access network device or the core network device.

[0607] Optionally, the second identifier is used to identify the target device on the UU interface.

[0608] Optionally, the second identifier is determined or generated by the terminal device.

[0609] Optionally, the second identifier is sent after the terminal identifier receives the device ID.

[0610] Optionally, the third identifier is XnAP-ID.

[0611] Optionally, the third identifier is used to identify the target device on the Xn interface.

[0612] Optionally, the second identifier is determined or generated after the terminal device receives the device ID.

[0613] Optionally, the second identifier is used to identify the target device on the uu interface so that the secondary node can determine the target device through the second identifier.

[0614] Optionally, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier, proposing an A-IoT data communication scheme from the target device to the terminal device to improve the A-IoT data communication mechanism.

[0615] Optionally, after receiving the device ID, the terminal device determines or generates a second identifier, establishes and / or maintains the correspondence between the first identifier and the second identifier, and sends the second identifier to the auxiliary node, so that the auxiliary node determines or generates a third identifier after receiving the second identifier and sends the third identifier to the master node.

[0616] Optionally, the auxiliary node maintains the correspondence between the second identifier and the third identifier.

[0617] Optionally, the master node maintains the correspondence between the third identifier and the fourth identifier.

[0618] Optionally, the first identifier is AS-ID.

[0619] Optionally, the first identifier is used to identify the target device between the terminal device and the target device.

[0620] Optionally, the second identifier may be the same as or different from the first identifier.

[0621] Optionally, the second identifier includes the first identifier.

[0622] Optionally, the fourth identifier is NGAP-ID.

[0623] Optionally, the fourth identifier is used to identify the target device on the NG interface.

[0624] Optionally, the device ID is sent by the target device.

[0625] Optionally, the terminal device establishes and / or maintains the correspondence between AS-ID and RRC-ID, proposing an A-IoT data communication scheme from the target device to the terminal device to improve the A-IoT data communication mechanism.

[0626] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first and second identifiers and sends the second identifier to the auxiliary node, the auxiliary node determines or generates a third identifier, the auxiliary node establishes and / or maintains the correspondence between the second and third identifiers and sends the third identifier to the master node, the master node determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third and fourth identifiers and sends the fourth identifier to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0627] Optionally, the target device sends a device ID to the reader of the terminal device. The reader of the terminal device determines or generates an RRC-ID and assigns an RRC-ID to the target device. The reader of the terminal device establishes and / or maintains the correspondence between AS-ID and RRC-ID and sends the RRC-ID to the secondary node. The secondary node determines or generates an XnAP-ID and establishes and / or maintains the correspondence between RRC-ID and XnAP-ID and sends the XnAP-ID to the master node. The master node determines or generates an NGAP-ID and establishes and / or maintains the correspondence between XnAP-ID and NGAP-ID and sends the NGAP-ID to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0628] Optionally, the target device sends a device ID to the reader of the terminal device, the reader of the terminal device assigns an AS-ID to the target device, the reader of the terminal device sends the AS-ID to the secondary node, the secondary node determines or generates an XnAP-ID, the secondary node establishes and / or maintains the correspondence between the AS-ID and the XnAP-ID and sends the XnAP-ID to the master node, the master node determines or generates an NGAP-ID, the master node establishes and / or maintains the correspondence between the XnAP-ID and the NGAP-ID and sends the NGAP-ID to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0629] Optionally, the target device sends its device ID to the reader of the terminal device. The reader of the terminal device assigns an AS-ID to the target device and a reader ID to the terminal device. The reader of the terminal device sends the AS-ID and the reader ID to the secondary node. The secondary node determines or generates an XnAP-ID. The secondary node establishes and / or maintains the correspondence between the AS-ID, the reader ID of the terminal device, and the XnAP-ID and sends the XnAP-ID to the master node. The master node determines or generates an NGAP-ID. The master node establishes and / or maintains the correspondence between the XnAP-ID and the NGAP-ID and sends the NGAP-ID to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0630] Optionally, the terminal device sends a first inventory report to the secondary node via a first signaling, so that the secondary node sends the first inventory report to the master node via a second signaling, and sends the third identifier in the second signaling to the master node via the second signaling.

[0631] Optionally, the first signaling is RRC signaling.

[0632] Optionally, the RRC signaling includes a first RRC signaling and / or a second RRC signaling.

[0633] Optionally, the first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling.

[0634] Optionally, the second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling.

[0635] Optionally, the first signaling includes a second identifier.

[0636] Optionally, the second signaling is XnAP signaling.

[0637] Optionally, the second signaling includes a third identifier.

[0638] Optionally, the first inventory report includes at least one of the following: device ID, security parameter X, and N2.

[0639] Optionally, the first inventory report is carried in a container within at least one of the first signaling and the second signaling.

[0640] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier and sends a first inventory report to the secondary node through a first signaling containing the second identifier, the secondary node determines or generates a third identifier, the secondary node establishes and / or maintains the correspondence between the second identifier and the third identifier and sends a first inventory report to the master node through a second signaling containing the third identifier, the master node determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier and sends a second inventory report to the core network device through a third signaling containing the fourth identifier.

[0641] Optionally, the third signaling is NGAP signaling.

[0642] Optionally, the third signaling includes a fourth identifier.

[0643] Optionally, the second inventory report includes the first inventory report and / or a fourth identifier.

[0644] Optionally, the second inventory report includes at least one of the following: device ID, security parameter X, N2, and NGAP-ID.

[0645] Optionally, the second inventory report is carried in a container within the third signaling.

[0646] This embodiment proposes an A-IoT data communication scheme by sending a second identifier through a terminal device, enabling the auxiliary node to determine or generate a third identifier and send the third identifier to the master node, thereby improving the A-IoT data communication mechanism.

[0647] Sixth Embodiment

[0648] Referring to Figure 14, which is a schematic diagram of the interaction flow of the communication method shown in the sixth embodiment of this application, the sixth embodiment of this application proposes a communication method including steps S0 to S4:

[0649] Step S0: The target device sends the device ID so that the terminal device can determine or generate a second identifier and send the second identifier to the auxiliary node;

[0650] Step S1: The terminal device sends a second identifier so that the secondary node can determine or generate a third identifier and send the third identifier to the primary node;

[0651] Step S2: The secondary node sends the third identifier so that the primary node can determine or generate the fourth identifier;

[0652] Step S3: Upon receiving the third identifier sent by the secondary node, the primary node determines or generates the fourth identifier;

[0653] Step S4: The core network device receives the fourth identifier sent by the master node. The fourth identifier is determined or generated by the master node in response to receiving the third identifier sent by the slave node.

[0654] Optionally, the device ID is sent by the target device based on radio resource information.

[0655] Optionally, the second identifier is RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device.

[0656] Optionally, the second identifier is used to identify the target device on the uu interface so that the secondary node can determine the target device through the second identifier.

[0657] Optionally, the third identifier is XnAP-ID.

[0658] Optionally, the third identifier is used to identify the target device on the Xn interface.

[0659] Optionally, the fourth identifier is NGAP-ID.

[0660] Optionally, the fourth identifier is used to identify the target device on the NG interface.

[0661] Optionally, the terminal device determines or generates a second identifier in response to receiving the device ID.

[0662] Optionally, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier.

[0663] Optionally, the first identifier is AS-ID.

[0664] Optionally, the first identifier is used to identify the target device between the terminal device and the target device.

[0665] Optionally, the terminal device sends a second identifier to the secondary node so that the secondary node can determine or generate a third identifier and send the third identifier to the primary node.

[0666] Optionally, the auxiliary node establishes and / or maintains the correspondence between the second identifier and the third identifier.

[0667] Optionally, in response to receiving the second identifier, the secondary node determines or generates a third identifier, establishes and / or maintains the correspondence between the second and third identifiers, and sends the third identifier to the primary node so that the primary node determines or generates a fourth identifier.

[0668] Optionally, the master node establishes and / or maintains the correspondence between the third and fourth identifiers.

[0669] Optionally, in response to receiving the third identifier sent by the secondary node, the primary node determines or generates a fourth identifier, establishes and / or maintains the correspondence between the third identifier and the fourth identifier, and sends the fourth identifier to the core network equipment.

[0670] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first and second identifiers and sends the second identifier to the auxiliary node, the auxiliary node determines or generates a third identifier, the auxiliary node establishes and / or maintains the correspondence between the second and third identifiers and sends the third identifier to the master node, and the master node, in response to receiving the third identifier sent by the auxiliary node, determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third and fourth identifiers and sends the fourth identifier to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0671] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates an RRC-ID, the terminal device establishes and / or maintains the correspondence between AS-ID and RRC-ID and sends the RRC-ID to the secondary node, the secondary node determines or generates an XnAP-ID after receiving the second identifier, the secondary node establishes and / or maintains the correspondence between RRC-ID and XnAP-ID and sends the XnAP-ID to the master node, the master node determines or generates an NGAP-ID, the master node establishes and / or maintains the correspondence between XnAP-ID and NGAP-ID and sends the NGAP-ID to the core network device. This proposes an A-IoT data communication scheme from the target device to the core network device to improve the A-IoT data communication mechanism.

[0672] Optionally, the second identifier is included in the first signaling.

[0673] Optionally, the terminal device sends a first inventory report to the secondary node via a first signaling, and sends a second identifier in the first signaling to the secondary node via the first signaling.

[0674] Optionally, when the terminal device sends the first inventory report to the secondary node via the first signaling, the first inventory report is carried in the first signaling in the form of a container.

[0675] Optionally, the auxiliary node receives the first inventory report sent by the terminal device via the first signaling.

[0676] Optionally, the first signaling is RRC signaling.

[0677] Optionally, the terminal device sends the first inventory report to the secondary node via RRC signaling, and sends the second identifier in the RRC signaling to the secondary node via RRC signaling.

[0678] Optionally, the RRC signaling includes a first RRC signaling.

[0679] Optionally, the first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling.

[0680] Optionally, the terminal device sends the first inventory report to the secondary node via D2R information transmission signaling and / or uplink information transmission signaling, and sends the second identifier to the secondary node via D2R information transmission signaling and / or uplink information transmission signaling.

[0681] Optionally, the third identifier is included in the second signaling.

[0682] Optionally, the secondary node sends the first inventory report to the primary node via the second signaling, and sends the third identifier in the second signaling to the primary node via the second signaling.

[0683] Optionally, the second signaling is XnAP signaling.

[0684] Optionally, the XnAP signaling includes the XnAP-ID.

[0685] Optionally, the XnAP signaling is an RRC TRANSFER message.

[0686] Optionally, the first inventory report includes at least one of the following: device ID, security parameter X, and N2.

[0687] Optionally, the fourth identifier is included in the third signaling.

[0688] Optionally, the core network equipment receives the second inventory report sent by the master node via the third signaling, and receives the fourth identifier in the third signaling.

[0689] Optionally, the second inventory report includes the first inventory report and / or a fourth identifier.

[0690] Optionally, the second inventory report includes at least one of the following: device ID, security parameter X, N2, and NGAP-ID.

[0691] Optionally, the second inventory report is carried in a container within the third signaling.

[0692] Optionally, the target device sends a device ID to the terminal device, the terminal device determines or generates a second identifier, the terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier and sends a first inventory report to the secondary node through a first signaling containing the second identifier, the secondary node receives the first inventory report sent by the terminal device through the first signaling, determines or generates a third identifier, the secondary node establishes and / or maintains the correspondence between the second identifier and the third identifier and sends a first inventory report to the master node through a second signaling containing the third identifier, the master node determines or generates a fourth identifier, the master node establishes and / or maintains the correspondence between the third identifier and the fourth identifier and sends a second inventory report to the core network device through a third signaling containing the fourth identifier.

[0693] The technical solution of this embodiment proposes an A-IoT data communication scheme to improve the A-IoT data communication mechanism by having the target device send a device ID to the terminal device, the terminal device send a second identifier to the auxiliary node, the auxiliary node determine or generate a third identifier and send the third identifier to the master node, and the master node determine or generate a fourth identifier and send the fourth identifier to the core network device.

[0694] Seventh Embodiment

[0695] Referring to Figure 15, which is a schematic diagram of the structure of a communication device provided in an embodiment of this application, the device can be mounted on or is the terminal device in the above-described method embodiments. The communication device shown in Figure 15 can be used to perform some or all of the functions described in the method embodiments above. As shown in Figure 15, the communication device 160 includes:

[0696] The first communication module 1601 is used to send a second identifier so that the auxiliary node can determine or generate a third identifier and send the third identifier to the master node.

[0697] Optionally, the communication device further includes at least one of the following:

[0698] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0699] The second identifier is used to identify the target device on the UU interface;

[0700] The second identifier is determined or generated by the terminal device;

[0701] The second identifier is sent after the terminal identifier receives the device ID;

[0702] The third identifier is XnAP-ID;

[0703] The third identifier is used to identify the target device on the Xn interface;

[0704] Maintain the correspondence between the first identifier and the second identifier;

[0705] The auxiliary node maintains the correspondence between the second and third identifiers;

[0706] The master node maintains the correspondence between the third and fourth identifiers;

[0707] Receive inventory requests sent by secondary nodes via the first signaling;

[0708] The inventory response is returned to the access network equipment via the first signaling;

[0709] Send an A-IOT paging command to the target device;

[0710] Send the first inventory report to the auxiliary node via the first signaling;

[0711] Receive command requests sent by secondary nodes via the first signaling;

[0712] The command request is sent to the target device via R2D upper-layer data transmission signaling.

[0713] Receive command responses sent by the target device through D2R upper-layer data transmission signaling;

[0714] Send a command response to the secondary node via the first signaling.

[0715] Optionally, the communication device further includes at least one of the following:

[0716] The first identifier is AS-ID;

[0717] The first identifier is used to identify the target device between the terminal device and the target device;

[0718] The second identifier may be the same as or different from the first identifier;

[0719] The second identifier includes the first identifier;

[0720] The fourth identifier is NGAP-ID;

[0721] The fourth identifier is used to identify the target device on the NG interface;

[0722] The fourth identifier is sent by the master node;

[0723] The fourth identifier is sent after the master node receives the third identifier;

[0724] The device ID is sent by the target device;

[0725] The device ID is sent by the target device based on radio resource information;

[0726] The first signaling is RRC signaling;

[0727] RRC signaling includes first RRC signaling and / or second RRC signaling;

[0728] The first signaling message contains the second identifier;

[0729] The second signaling is XnAP signaling;

[0730] The second signaling includes a third identifier;

[0731] The inventory request carries configuration information that triggers paging;

[0732] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0733] The inventory response is carried in a container within the first signaling;

[0734] The A-IOT paging command includes at least one of the following: device identification information paging identifier, key parameter N1, and random access resource configuration parameters;

[0735] If the A-IOT paging command triggers contention-based random access, the target device initiates a random access procedure, receives random response information, and obtains the radio resource information of the sending device ID from the random response information.

[0736] If the A-IOT paging command triggers a non-contention-based random access, the target device obtains the radio resource information of the sending device ID from the A-IOT paging command;

[0737] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0738] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0739] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0740] The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

[0741] Optionally, the communication device further includes at least one of the following:

[0742] The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling;

[0743] The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling;

[0744] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0745] The third signaling is NGAP signaling;

[0746] The third signaling includes the fourth identifier.

[0747] The communication device provided in this application embodiment can execute the technical solutions shown in the corresponding method embodiments above. Its implementation principle and beneficial effects are similar, and will not be repeated here.

[0748] Eighth embodiment

[0749] Referring to Figure 16, which is a second structural schematic diagram of a communication device provided in an embodiment of this application, this device can be mounted on or is the auxiliary node in the above-described method embodiments. The communication device shown in Figure 16 can be used to perform some or all of the functions described in the above-described method embodiments. As shown in Figure 16, the communication device 170 includes:

[0750] The second communication module 1701 is used to send a third identifier so that the master node can determine or generate a fourth identifier.

[0751] Optionally, the communication device further includes at least one of the following:

[0752] The third identifier is XnAP-ID;

[0753] The third identifier is used to identify the target device on the Xn interface;

[0754] The third identifier is determined or generated by the auxiliary node;

[0755] The third identifier is determined or generated after the auxiliary node receives the second identifier;

[0756] The fourth identifier is NGAP-ID;

[0757] The fourth identifier is used to identify the target device on the NG interface;

[0758] The first inventory report is sent by the receiving terminal device via the first signaling;

[0759] Establish and / or maintain the correspondence between the second and third identifiers;

[0760] The master node establishes and / or maintains the correspondence between the third and fourth identifiers;

[0761] Receive inventory requests sent by the master node via the second signaling;

[0762] The inventory request is sent to the terminal device via the first signaling;

[0763] The first inventory report is sent to the master node via the second signaling;

[0764] Receive command requests sent by the master node via the second signaling;

[0765] The command request is sent to the terminal device via the first signaling;

[0766] Receive command responses sent by the terminal device via the first signaling;

[0767] The command response is sent to the master node via the second signaling.

[0768] Optionally, the communication device further includes at least one of the following:

[0769] The second identifier is sent by the terminal device;

[0770] The second identifier is determined or generated by the terminal device after receiving the device ID;

[0771] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0772] The second identifier is used to identify the target device on the UU interface;

[0773] The second identifier is included in the first signaling;

[0774] The first signaling is RRC signaling;

[0775] RRC signaling includes first RRC signaling and / or second RRC signaling;

[0776] The second signaling is XnAP signaling;

[0777] The second signaling includes a third identifier;

[0778] The third signaling is NGAP signaling;

[0779] The third signaling includes the fourth identifier;

[0780] The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier;

[0781] The inventory request carries configuration information that triggers paging;

[0782] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0783] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0784] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0785] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0786] The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

[0787] Optionally, the communication device further includes at least one of the following:

[0788] The first identifier is AS-ID;

[0789] The first identifier is used to identify the target device between the terminal device and the target device;

[0790] The second identifier may be the same as or different from the first identifier;

[0791] The second identifier includes the first identifier;

[0792] The device ID is sent by the target device;

[0793] The XnAP signaling is an RRC TRANSFER message;

[0794] The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling;

[0795] The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling;

[0796] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0797] Receive master node instructions via second signaling;

[0798] Configure the configuration information of the wireless resources associated with the terminal device;

[0799] Configure the serving cell identifier where the wireless resource is located;

[0800] The RRC entity that instructs the terminal device to forward A-IoT data or receive A-IoT service data belongs to MCG or SCG;

[0801] Configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the MCG, or configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the SCG;

[0802] Instruct the terminal device to configure SRB;

[0803] The RRC entity that implements A-IoT service data transmission based on the instruction configuration of the terminal device.

[0804] Optionally, the terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

[0805] The communication device provided in this application embodiment can execute the technical solutions shown in the corresponding method embodiments above. Its implementation principle and beneficial effects are similar, and will not be repeated here.

[0806] Ninth Embodiment

[0807] Referring to Figure 17, which is a schematic diagram of the structure of a communication device provided in an embodiment of this application, this device can be mounted on or is the main node in the above method embodiments. The communication device shown in Figure 17 can be used to perform some or all of the functions in the method embodiments described above. As shown in Figure 17, the communication device 180 includes:

[0808] The third communication module 1801 is used to determine or generate a fourth identifier in response to receiving a third identifier sent by the auxiliary node.

[0809] Optionally, the communication device further includes at least one of the following:

[0810] The third identifier is XnAP-ID;

[0811] The third identifier is used to identify the target device on the Xn interface;

[0812] The third identifier is determined or generated by the auxiliary node;

[0813] The third identifier is determined or generated by the auxiliary node after receiving the second identifier;

[0814] The third identifier is included in the second signaling;

[0815] Send the fourth identifier to the core network equipment;

[0816] The fourth identifier is NGAP-ID;

[0817] The fourth identifier is used to identify the target device on the NG interface;

[0818] Receive the first inventory report sent by the secondary node via the second signaling;

[0819] Establish and / or maintain the correspondence between the third and fourth identifiers;

[0820] The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier;

[0821] The auxiliary node establishes and / or maintains the correspondence between the second and third identifiers;

[0822] Receive inventory requests sent by core network equipment via third signaling;

[0823] The inventory request is sent to the secondary node via the second signaling, so that the secondary node sends the inventory request to the terminal device via the first signaling;

[0824] The second inventory report is sent to the core network equipment via third signaling.

[0825] Receive command requests sent by core network devices via third signaling;

[0826] The command request is sent to the secondary node via the second signaling, so that the secondary node can send the command request to the terminal device via the first signaling;

[0827] Receive command responses sent by secondary nodes via the second signaling;

[0828] The command response is sent to the core network equipment via third signaling.

[0829] Optionally, the communication device further includes at least one of the following:

[0830] The first identifier is AS-ID;

[0831] The first identifier is used to identify the target device between the terminal device and the target device;

[0832] The second identifier may be the same as or different from the first identifier;

[0833] The second identifier includes the first identifier;

[0834] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0835] The second identifier is used to identify the target device on the UU interface;

[0836] The second identifier is sent by the terminal device;

[0837] The second identifier is determined or generated by the terminal device;

[0838] The second identifier is determined or generated by the terminal device after receiving the device ID;

[0839] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0840] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0841] The first signaling is RRC signaling;

[0842] RRC signaling includes first RRC signaling and / or second RRC signaling;

[0843] The second signaling is XnAP signaling;

[0844] The third signaling is NGAP signaling;

[0845] The third signaling includes the fourth identifier;

[0846] The inventory request carries configuration information that triggers paging;

[0847] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0848] The second inventory report includes the first inventory report and / or the fourth identification;

[0849] The second inventory report is carried in a container within the third signaling;

[0850] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0851] The command response is carried in the form of a container within at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission;

[0852] The terminal device is instructed to configure the reader via the first signaling;

[0853] The judgment is made regarding the target cell and / or radio resources associated with the terminal device.

[0854] The secondary node is instructed by the second signaling to configure the radio resources and / or target cell identifier associated with the terminal device, and / or to establish an SRB for transmitting A-IoT resources;

[0855] Configure the configuration information of the wireless resources associated with the terminal device;

[0856] Configure the serving cell identifier where the wireless resource is located;

[0857] The RRC entity that instructs the terminal device to forward A-IoT data or receive A-IoT service data belongs to MCG or SCG;

[0858] Configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the MCG, or configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the SCG;

[0859] Instruct the terminal device to configure SRB;

[0860] The RRC entity that implements A-IoT service data transmission based on the instruction configuration of the terminal device.

[0861] Optionally, the communication device further includes at least one of the following:

[0862] The device ID is sent by the target device;

[0863] The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling;

[0864] The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling;

[0865] The XnAP signaling is an RRC TRANSFER message;

[0866] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0867] Instruct the terminal device to configure at least one of the following: SRB, SRB1, SRB2, and SRB4;

[0868] The terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

[0869] The communication device provided in this application embodiment can execute the technical solutions shown in the corresponding method embodiments above. Its implementation principle and beneficial effects are similar, and will not be repeated here.

[0870] Tenth Embodiment

[0871] Referring to Figure 18, which is a schematic diagram of the structure of a communication device provided in an embodiment of this application, the device can be mounted on or is the core network equipment in the above method embodiments. The communication device shown in Figure 18 can be used to perform some or all of the functions in the method embodiments described above. As shown in Figure 18, the communication device 190 includes:

[0872] The fourth communication module 1901 is used to receive the fourth identifier sent by the master node. The fourth identifier is determined or generated by the master node in response to receiving the third identifier sent by the slave node.

[0873] Optionally, the communication device includes at least one of the following:

[0874] The third identifier is XnAP-ID;

[0875] The third identifier is used to identify the target device on the Xn interface;

[0876] The third identifier is sent by the secondary node;

[0877] The third identifier is determined or generated by the auxiliary node;

[0878] The third identifier is determined or generated by the auxiliary node after receiving the second identifier;

[0879] The fourth identifier is NGAP-ID;

[0880] The fourth identifier is used to identify the target device on the NG interface;

[0881] The fourth identifier is included in the third signaling;

[0882] Receive the second inventory report sent by the master node via third signaling;

[0883] The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier;

[0884] The auxiliary node establishes and / or maintains the correspondence between the second and third identifiers;

[0885] The master node establishes and / or maintains the correspondence between the third and fourth identifiers;

[0886] The inventory request is sent to the master node via a third signaling method;

[0887] Receive inventory responses from access network devices;

[0888] The command request is sent to the master node via the third signaling, so that the master node can send the command request to the slave node via the second signaling;

[0889] Receive command responses sent by the master node via third signaling.

[0890] Optionally, the communication device further includes at least one of the following:

[0891] The first identifier is AS-ID;

[0892] The first identifier is used to identify the target device between the terminal device and the target device;

[0893] The second identifier may be the same as or different from the first identifier;

[0894] The second identifier includes the first identifier;

[0895] The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device;

[0896] The second identifier is used to identify the target device on the UU interface;

[0897] The second identifier is sent by the terminal device;

[0898] The second identifier is determined or generated by the terminal device;

[0899] The second identifier is determined or generated by the terminal device after receiving the device ID;

[0900] The second signaling is XnAP signaling;

[0901] The second signaling includes a third identifier;

[0902] The third signaling is NGAP signaling;

[0903] The second inventory report includes the first inventory report and / or the fourth identification;

[0904] The second inventory report is carried in a container within the third signaling;

[0905] The inventory request carries configuration information that triggers paging;

[0906] The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling;

[0907] The inventory response is carried in a container within the first signaling;

[0908] The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling;

[0909] The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

[0910] Optionally, the communication device further includes at least one of the following:

[0911] The device ID is sent by the target device;

[0912] The first inventory report includes at least one of the following: device ID, security parameter X, and N2;

[0913] The first inventory report is carried in a container within at least one of the first and second signaling commands;

[0914] The XnAP signaling is an RRC TRANSFER message;

[0915] The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

[0916] The communication device provided in this application embodiment can execute the technical solutions shown in the corresponding method embodiments above. Its implementation principle and beneficial effects are similar, and will not be repeated here.

[0917] Referring to Figure 19, which is a schematic diagram of the structure of a communication device provided in an embodiment of this application, the communication device 180 described in this embodiment may be a terminal device (or a component that can be used in a terminal device) mentioned in the foregoing method embodiments, or a target device (or a component that can be used in a target device), or a secondary node (or a component that can be used in a secondary node), or a primary node (or a component that can be used in a primary node), or a core network device (or a component that can be used in a core network device). The communication device 180 may be used to implement the methods described in the above method embodiments corresponding to any one of the terminal device, target device, secondary node, primary node, and core network device, as detailed in the descriptions in the above method embodiments.

[0918] The communication device 180 may include one or more processors 1801, which may also be referred to as processing units, and can perform certain control or processing functions. The processor 1801 may be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, while the central processing unit can be used to control the communication device, execute software programs, and process data from the software programs.

[0919] Optionally, the processor 1801 may also store instructions 1803 or data (e.g., intermediate data). Optionally, instructions 1803 may be executed by the processor 1801, causing the communication device 180 to perform the methods described in the above method embodiments corresponding to any one of the terminal device, target device, secondary node, primary node, and core network device.

[0920] Optionally, the communication device 180 may include a circuit that can perform the functions of sending, receiving, or communicating in the foregoing method embodiments.

[0921] Optionally, the communication device 180 may include one or more memories 1802, which may store instructions 1804 that can be executed on the processor 1801 to cause the communication device 180 to perform the methods described in the above method embodiments.

[0922] Alternatively, the memory 1802 may also store data. The processor 1801 and the memory 1802 can be configured separately or integrated together.

[0923] Optionally, the communication device 180 may further include a transceiver 1805 and / or an antenna 1806. The processor 1801, which may be referred to as a processing unit, controls the communication device 180 (any of the following: terminal device, target device, secondary node, primary node, or core network device). The transceiver 1805, which may be referred to as a transceiver unit, transceiver, transceiver circuit, or transceiver, is used to implement the transceiver functions of the communication device 180.

[0924] Optionally, if the communication device 180 is used to implement the operation corresponding to the terminal device in the above embodiments, for example, the transceiver 1805 may send a second identifier to enable the auxiliary node to determine or generate a third identifier and send the third identifier to the master node; and / or, the processor 1801 may send a second identifier to enable the auxiliary node to determine or generate a third identifier and send the third identifier to the master node.

[0925] Optionally, the specific implementation process of the processor 1801 and transceiver 1805 can be found in the relevant descriptions of the above embodiments, and will not be repeated here.

[0926] Optionally, if the communication device 180 is used to implement the operation corresponding to the auxiliary node in the above embodiments, for example, the transceiver 1805 can send a third identifier to enable the master node to determine or generate a fourth identifier; and / or, the processor 1801 can send a third identifier to enable the master node to determine or generate a fourth identifier.

[0927] Optionally, the specific implementation process of the processor 1801 and transceiver 1805 can be found in the relevant descriptions of the above embodiments, and will not be repeated here.

[0928] Optionally, if the communication device 180 is used to implement the operation corresponding to the master node in the above embodiments, for example, the transceiver 1805 may determine or generate a fourth identifier in response to receiving a third identifier sent by the secondary node; and / or the processor 1801 may determine or generate a fourth identifier in response to receiving a third identifier sent by the secondary node.

[0929] Optionally, the specific implementation process of the processor 1801 and transceiver 1805 can be found in the relevant descriptions of the above embodiments, and will not be repeated here.

[0930] Optionally, if the communication device 180 is used to implement the operation corresponding to the core network device in the above embodiments, for example: the transceiver 1805 may receive a fourth identifier sent by the master node, the fourth identifier being determined or generated by the master node in response to receiving a third identifier sent by the auxiliary node; and / or, the processor 1801 may receive a fourth identifier sent by the master node, the fourth identifier being determined or generated by the master node in response to receiving a third identifier sent by the auxiliary node.

[0931] Optionally, the specific implementation process of the processor 1801 and transceiver 1805 can be found in the relevant descriptions of the above embodiments, and will not be repeated here.

[0932] The processor 1801 and transceiver 1805 described in this application can be implemented on ICs (Integrated Circuits), analog integrated circuits, RFICs (Radio Frequency Integrated Circuits), mixed-signal integrated circuits, ASICs (Application Specific Integrated Circuits), PCBs (Printed Circuit Boards), electronic devices, etc. The processor 1801 and transceiver 1805 can also be manufactured using various integrated circuit process technologies, such as CMOS (Complementary Metal Oxide Semiconductor), NMOS (N-Metal-Oxide-Semiconductor), PMOS (Positive channel Metal Oxide Semiconductor), BJT (Bipolar Junction Transistor), Bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.

[0933] In this application, the communication device can be a target device (such as an A-IoT device) or a terminal device (such as a mobile phone), or a network device (such as a secondary node, primary node, or core network device), or a chip (such as a SOC or a baseband chip with communication functions). The specific type needs to be determined based on the context. Furthermore, the terminal device can be implemented in various forms. For example, the terminal devices described in this application can include mobile terminals such as mobile phones, tablets, laptops, handheld computers, personal digital assistants (PDAs), portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.

[0934] Although the communication device described in the above embodiments is exemplified by any one of terminal device, target device, master node, auxiliary node, and core network device, the scope of the communication device described in this application is not limited to any of the above, and the structure of the communication device is not limited to FIG19. The communication device can be a standalone device or can be part of a larger device.

[0935] This application also provides a communication system, including: a terminal device as described in any of the above embodiments; and / or a target device as described in any of the above embodiments; and / or a secondary node as described in any of the above embodiments; and / or a primary node as described in any of the above embodiments; and / or a core network device as described in any of the above embodiments.

[0936] This application also provides a communication device, including a memory and a processor. The memory stores a communication program, and when the communication program is executed by the processor, it implements the steps of the communication method in any of the above embodiments.

[0937] The communication device in this application can be a target device (such as an A-IoT device) or a terminal device (such as a mobile phone), or a network device (such as a secondary node, a primary node, or a core network device), or a chip (such as a SOC or a baseband chip with communication functions). The specific meaning needs to be clarified according to the context.

[0938] This application also provides a computer-readable storage medium storing a communication program, which, when executed by a processor, implements the steps of the communication method in any of the above embodiments.

[0939] In the embodiments of the communication device and storage medium provided in this application, all the technical features of any of the above-described communication method embodiments may be included. The extended and explained contents of the specification are basically the same as the embodiments of the above methods, and will not be repeated here.

[0940] This application also provides a computer program product, which includes computer program code. When the computer program code is run on a computer, it causes the computer to perform the methods described in the various possible implementations above.

[0941] This application also provides a chip, including a memory and a processor. The memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a device with the chip installed performs the methods described in the various possible implementations above.

[0942] It is understood that the above scenarios are merely examples and do not constitute a limitation on the application scenarios of the technical solutions provided in the embodiments of this application. The technical solutions of this application can also be applied to other scenarios. For example, as those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.

[0943] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0944] The steps in the method of this application embodiment can be adjusted, combined, or deleted according to actual needs.

[0945] The units in the device of this application embodiment can be merged, divided, and deleted according to actual needs.

[0946] In this application, the same or similar terms, concepts, technical solutions and / or application scenario descriptions are generally described in detail only when they appear for the first time. When they appear again, they are generally not repeated for the sake of brevity. When understanding the technical solutions and other contents of this application, the same or similar terms, concepts, technical solutions and / or application scenario descriptions that are not described in detail later can be referred to their previous relevant detailed descriptions.

[0947] In this application, the descriptions of the various embodiments have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0948] The technical features of the present application can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of the present application.

[0949] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as described above, and includes several instructions to cause a terminal device (which may be a mobile phone, computer, server, controlled terminal device, or network device, etc.) to execute the methods of each embodiment of this application.

[0950] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this application is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a storage medium or transmitted from one storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) means. The storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium can be a magnetic medium (e.g., floppy disk, storage disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., a solid-state disk (SSD)).

[0951] The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A communication method, wherein, When applied to secondary nodes, the steps include: S2: Send the third identifier so that the master node can determine or generate the fourth identifier.

2. The method as described in claim 1, wherein, Includes at least one of the following: The third identifier is XnAP-ID; The third identifier is used to identify the target device on the Xn interface; The third identifier is determined or generated by the auxiliary node; The third identifier is determined or generated after the auxiliary node receives the second identifier; The fourth identifier is NGAP-ID; The fourth identifier is used to identify the target device on the NG interface; The first inventory report is sent by the receiving terminal device via the first signaling; Establish and / or maintain the correspondence between the second and third identifiers; The master node establishes and / or maintains the correspondence between the third and fourth identifiers; Receive inventory requests sent by the master node via the second signaling; The inventory request is sent to the terminal device via the first signaling; The first inventory report is sent to the master node via the second signaling; Receive command requests sent by the master node via the second signaling; The command request is sent to the terminal device via the first signaling; Receive command responses sent by the terminal device via the first signaling; The command response is sent to the master node via the second signaling.

3. The method as described in claim 2, wherein, It also includes at least one of the following: The second identifier is sent by the terminal device; The second identifier is determined or generated by the terminal device after receiving the device ID; The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device; The second identifier is used to identify the target device on the UU interface; The second identifier is included in the first signaling; The first signaling is RRC signaling; RRC signaling includes first RRC signaling and / or second RRC signaling; The second signaling is XnAP signaling; The second signaling includes a third identifier; The third signaling is NGAP signaling; The third signaling includes the fourth identifier; The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier; The inventory request carries configuration information that triggers paging; The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling; The first inventory report includes at least one of the following: device ID, security parameter X, and N2; The first inventory report is carried in a container within at least one of the first and second signaling commands; The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling; The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

4. The method of claim 3, wherein, It also includes at least one of the following: The first identifier is AS-ID; The first identifier is used to identify the target device between the terminal device and the target device; The second identifier may be the same as or different from the first identifier; The second identifier includes the first identifier; The device ID is sent by the target device; The XnAP signaling is an RRC TRANSFER message; The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling; The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling; The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1. Receive master node instructions via second signaling; Configure the configuration information of the wireless resources associated with the terminal device; Configure the serving cell identifier where the wireless resource is located; The RRC entity that instructs the terminal device to forward A-IoT data or receive A-IoT service data belongs to MCG or SCG; Configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the MCG, or configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the SCG; Instruct the terminal device to configure SRB; The RRC entity that implements A-IoT service data transmission based on the instruction configuration of the terminal device.

5. The method of claim 4, wherein, The terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

6. A communication method, wherein, Applied to the master node, the steps include: S3: In response to receiving the third identifier sent by the secondary node, determine or generate the fourth identifier.

7. The method of claim 6, wherein, Includes at least one of the following: The third identifier is XnAP-ID; The third identifier is used to identify the target device on the Xn interface; The third identifier is determined or generated by the auxiliary node; The third identifier is determined or generated by the auxiliary node after receiving the second identifier; The third identifier is included in the second signaling; Send the fourth identifier to the core network equipment; The fourth identifier is NGAP-ID; The fourth identifier is used to identify the target device on the NG interface; Receive the first inventory report sent by the secondary node via the second signaling; Establish and / or maintain the correspondence between the third and fourth identifiers; The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier; The auxiliary node establishes and / or maintains the correspondence between the second and third identifiers; Receive inventory requests sent by core network equipment via third signaling; The inventory request is sent to the secondary node via the second signaling, so that the secondary node sends the inventory request to the terminal device via the first signaling; The second inventory report is sent to the core network equipment via third signaling. Receive command requests sent by core network devices via third signaling; The command request is sent to the secondary node via the second signaling, so that the secondary node can send the command request to the terminal device via the first signaling; Receive command responses sent by secondary nodes via the second signaling; The command response is sent to the core network equipment via third signaling.

8. The method of claim 7, wherein, It also includes at least one of the following: The first identifier is AS-ID; The first identifier is used to identify the target device between the terminal device and the target device; The second identifier may be the same as or different from the first identifier; The second identifier includes the first identifier; The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device; The second identifier is used to identify the target device on the UU interface; The second identifier is sent by the terminal device; The second identifier is determined or generated by the terminal device; The second identifier is determined or generated by the terminal device after receiving the device ID; The first inventory report includes at least one of the following: device ID, security parameter X, and N2; The first inventory report is carried in a container within at least one of the first and second signaling commands; The first signaling is RRC signaling; RRC signaling includes first RRC signaling and / or second RRC signaling; The second signaling is XnAP signaling; The third signaling is NGAP signaling; The third signaling includes the fourth identifier; The inventory request carries configuration information that triggers paging; The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling; The second inventory report includes the first inventory report and / or the fourth identification; The second inventory report is carried in a container within the third signaling; The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling; The command response is carried in the form of a container within at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission; The terminal device is instructed to configure the reader via the first signaling; The judgment is made regarding the target cell and / or radio resources associated with the terminal device. The secondary node is instructed via the second signaling to configure the radio resources and / or target cell identifier associated with the terminal device, and / or to establish an SRB for transmitting A-IoT resources; and to configure the configuration information of the radio resources associated with the terminal device. Configure the serving cell identifier where the wireless resource is located; The RRC entity that instructs the terminal device to forward A-IoT data or receive A-IoT service data belongs to MCG or SCG; Configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the MCG, or configure the RRC entity where the terminal device forwards A-IoT data or receives A-IoT service data to belong to the SCG; Instruct the terminal device to configure SRB; The RRC entity that implements A-IoT service data transmission based on the instruction configuration of the terminal device.

9. The method as described in claim 8, characterized in that, It also includes at least one of the following: The device ID is sent by the target device; The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling; The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling; The XnAP signaling is an RRC TRANSFER message; The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1. Instruct the terminal device to configure at least one of the following: SRB, SRB1, SRB2, and SRB4; The terminal device's indication is located in at least one of RRC dedicated signaling, UE capability reporting, and UE auxiliary information.

10. A communication method, wherein, Applied to core network equipment, including the following steps: S4: Receive the fourth identifier sent by the master node. The fourth identifier is determined or generated by the master node in response to receiving the third identifier sent by the slave node.

11. The method of claim 10, wherein, Includes at least one of the following: The third identifier is XnAP-ID; The third identifier is used to identify the target device on the Xn interface; The third identifier is sent by the secondary node; The third identifier is determined or generated by the auxiliary node; The third identifier is determined or generated by the auxiliary node after receiving the second identifier; The fourth identifier is NGAP-ID; The fourth identifier is used to identify the target device on the NG interface; The fourth identifier is included in the third signaling; Receive the second inventory report sent by the master node via third signaling; The terminal device establishes and / or maintains the correspondence between the first identifier and the second identifier; The auxiliary node establishes and / or maintains the correspondence between the second and third identifiers; The master node establishes and / or maintains the correspondence between the third and fourth identifiers; The inventory request is sent to the master node via a third signaling method; Receive inventory responses from access network devices; The command request is sent to the master node via the third signaling, so that the master node can send the command request to the slave node via the second signaling; Receive command responses sent by the master node via third signaling.

12. The method of claim 11, wherein, It also includes at least one of the following: The first identifier is AS-ID; The first identifier is used to identify the target device between the terminal device and the target device; The second identifier may be the same as or different from the first identifier; The second identifier includes the first identifier; The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device; The second identifier is used to identify the target device on the UU interface; The second identifier is sent by the terminal device; The second identifier is determined or generated by the terminal device; The second identifier is determined or generated by the terminal device after receiving the device ID; The second signaling is XnAP signaling; The second signaling includes a third identifier; The third signaling is NGAP signaling; The second inventory report includes the first inventory report and / or the fourth identification; The second inventory report is carried in a container within the third signaling; The inventory request carries configuration information that triggers paging; The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling; The inventory response is carried in a container within the first signaling; The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling; The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

13. The method of claim 12, wherein, It also includes at least one of the following: The device ID is sent by the target device; The first inventory report includes at least one of the following: device ID, security parameter X, and N2; The first inventory report is carried in a container within at least one of the first and second signaling commands; The XnAP signaling is an RRC TRANSFER message; The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1.

14. A communication method, wherein, Applied to terminal devices, including the following steps: S1: Send the second identifier so that the secondary node can determine or generate the third identifier and send the third identifier to the primary node.

15. The method of claim 14, wherein, Includes at least one of the following: The second identifier is either RRC-ID, or AS-ID, or AS-ID and the reader ID of the terminal device; The second identifier is used to identify the target device on the UU interface; The second identifier is determined or generated by the terminal device; The second identifier is sent after the terminal identifier receives the device ID; The third identifier is XnAP-ID; The third identifier is used to identify the target device on the Xn interface; Maintain the correspondence between the first identifier and the second identifier; The auxiliary node maintains the correspondence between the second and third identifiers; The master node maintains the correspondence between the third and fourth identifiers; Receive inventory requests sent by secondary nodes via the first signaling; The inventory response is returned to the access network equipment via the first signaling; Send an A-IOT paging command to the target device; Send the first inventory report to the auxiliary node via the first signaling; Receive command requests sent by secondary nodes via the first signaling; The command request is sent to the target device via R2D upper-layer data transmission signaling. Receive command responses sent by the target device through D2R upper-layer data transmission signaling; Send a command response to the secondary node via the first signaling.

16. The method of claim 15, wherein, It also includes at least one of the following: The first identifier is AS-ID; The first identifier is used to identify the target device between the terminal device and the target device; The second identifier may be the same as or different from the first identifier; The second identifier includes the first identifier; The fourth identifier is NGAP-ID; The fourth identifier is used to identify the target device on the NG interface; The fourth identifier is sent by the master node; The fourth identifier is sent after the master node receives the third identifier; The device ID is sent by the target device; The device ID is sent by the target device based on radio resource information; The first signaling is RRC signaling; RRC signaling includes first RRC signaling and / or second RRC signaling; The first signaling message contains the second identifier; The second signaling is XnAP signaling; The second signaling includes a third identifier; The inventory request carries configuration information that triggers paging; The inventory request is carried in the form of a container within at least one of the first signaling, the second signaling, and the third signaling; The inventory response is carried in a container within the first signaling; The A-IOT paging command includes at least one of the following: device identification information paging identifier, key parameter N1, and random access resource configuration parameters; If the A-IOT paging command triggers contention-based random access, the target device initiates a random access procedure, receives random response information, and obtains the radio resource information of the sending device ID from the random response information. If the A-IOT paging command triggers a non-contention-based random access, the target device obtains the radio resource information of the sending device ID from the A-IOT paging command; The first inventory report includes at least one of the following: device ID, security parameter X, and N2; The first inventory report is carried in a container within at least one of the first and second signaling commands; The command request is carried in the form of a container in at least one of the first signaling, the second signaling, the third signaling, and the R2D upper-layer data transmission signaling; The command response is carried in a container in at least one of the first signaling, second signaling, third signaling, and D2R upper-layer data transmission.

17. The method of claim 16, wherein, It also includes at least one of the following: The first RRC signaling is D2R information transmission signaling and / or uplink information transmission signaling; The second RRC signaling is R2D information transmission signaling and / or uplink information transmission signaling; The configuration information that triggers paging includes at least one of the following: device identification information (paging identifier), AIOT-F node identifier, service identifier, association identifier, and key parameter N1. The third signaling is NGAP signaling; The third signaling includes the fourth identifier.

18. A communication device, wherein, include: A memory and a processor, wherein the memory stores a communication program, and the communication program, when executed by the processor, implements the communication method as described in claim 1, 6, 10, or 14.

19. A computer-readable storage medium, wherein, The computer-readable storage medium stores a communication program, which, when executed by a processor, implements the communication method as described in claim 1, 6, 10, or 14.

Images