WO2015035640A1 - Procédé, dispositif et système d'accès au réseau - Google Patents
Procédé, dispositif et système d'accès au réseau Download PDFInfo
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- WO2015035640A1 WO2015035640A1 PCT/CN2013/083548 CN2013083548W WO2015035640A1 WO 2015035640 A1 WO2015035640 A1 WO 2015035640A1 CN 2013083548 W CN2013083548 W CN 2013083548W WO 2015035640 A1 WO2015035640 A1 WO 2015035640A1
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- user terminal
- group
- terminal group
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- subscription data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/186—Processing of subscriber group data
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a network access method, device, and system.
- Machine to machine (Machine To Machine, M2M)
- M2M Machine To Machine
- M2M technology has very important significance and has broad market and application prospects.
- M2M is a combination of wireless communication and information technology, it can be used for two-way communication, such as collecting information, setting parameters and sending commands over long distances. Therefore, M2M technology can have different application solutions, such as security monitoring, vending machines, cargo tracking, etc. .
- M2M service For remote monitoring services, such as smart meter reading, intelligent monitoring of mountains and water environments, a large number of wireless terminals are often required for periodic measurement and data reporting. Therefore, the most obvious features of this type of M2M service can be summarized as: group characteristics, active triggering, periodicity, small data packets, and so on.
- a network access method, device, and system provided by the embodiments of the present invention can improve network resource utilization and reduce network load and overhead.
- the embodiment of the present invention provides a network access method, device, and system, which can implement the same group of user terminals to share a group subscription data, reduce network resource overhead, and implement centralized management of user terminals, thereby reducing management costs.
- the embodiment of the present invention provides a network access method, including: receiving an access request message carrying a group identifier sent by a user terminal in a user terminal group, where at least two of the user terminal groups are The user terminal has the same group identifier; the user identifier of the user terminal group is authenticated according to the group identifier, and the subscription data of the user terminal group is obtained, where each user terminal group corresponds to one subscription data; The context of the one user terminal is generated by using the subscription data of the user terminal group.
- the determining, by the group identifier, the user data of the user terminal group, the obtaining the subscription data of the user terminal group includes: And authenticating one of the user terminal groups according to the group identifier, and when the one user terminal is the first user terminal of the user terminal group, sending a location update request message, and receiving the message The update location response message returned after the validity check, obtains the subscription data of the user terminal group from the update location response message.
- the method further includes: establishing different for each user terminal in the user terminal group
- the packet data network carries or establishes a packet data network bearer for all user terminals of the user terminal group.
- a radio bearer is established for the one user terminal, and the radio bearer is carried by the packet data network Associated.
- a fourth possible implementation manner of the first aspect if the user terminal does not have data transmission within a predetermined time, The user terminal is placed in an asynchronous state with the network.
- a fifth possible implementation manner of the first aspect when the attribute of the one user terminal does not meet the preset reserved context In the case of a condition, the context of the one user terminal and the radio bearer established for the one user terminal are deleted.
- the group subscription data includes at least one packet data network subscription context
- the packet data network subscription context includes at least the subscribed quality of service information, the signed access point name, and the peer server IP address of the communication.
- the embodiment of the present invention provides a network access method, including: a user terminal in a user terminal group sends an access request carrying a group identifier, where at least two of the user terminal groups have The same group identifier, so that the network authenticates one user terminal in the user terminal group according to the group identifier, and acquires subscription data of the user terminal group, where each user terminal group corresponds to one subscription data, and the The subscription data of the user terminal group generates a context of the one user terminal.
- the application provides an access device, where the access device includes a receiving module, an obtaining module, and a generating module, where the receiving module is configured to receive a carrying group identifier sent by one user terminal in the user terminal group.
- Access request message wherein at least two of the user terminal groups have the same group identifier; the obtaining module is configured to use the group identifier received by the receiving module in the user terminal group.
- the user terminal performs authentication, and obtains the subscription data of the user terminal group, where each user terminal group corresponds to one subscription data; and the generating module is configured to use the subscription data of the user terminal group obtained according to the obtaining block, The context of the one user terminal is generated.
- the acquiring module is configured to perform authentication on a user terminal in the user terminal group according to the group identifier received by the receiving module, when When the user terminal is the first user terminal of the user terminal group, the location update request message is sent, and the update location response message returned by the legality check is received, and the update location response message is obtained from the update location response message.
- the subscription data of the user terminal group is configured to perform authentication on a user terminal in the user terminal group according to the group identifier received by the receiving module, when When the user terminal is the first user terminal of the user terminal group, the location update request message is sent, and the update location response message returned by the legality check is received, and the update location response message is obtained from the update location response message.
- the subscription data of the user terminal group is configured to perform authentication on a user terminal in the user terminal group according to the group identifier received by the receiving module, when When the user terminal is the first user terminal of the user terminal group, the location update request message is sent, and the update location response message returned by the legality check is received
- the device further includes a first establishing module, where the first establishing module is used by Establishing different packet data network bearers for all user terminals in the user terminal group or establishing a packet data network bearer for all user terminals of the user terminal group.
- the device further includes a second establishing module, where the second establishing module is configured to A user terminal establishes a radio bearer and associates the radio bearer with the packet data network bearer.
- the device further includes a deleting module, where the deleting module is used When the attribute of the one user terminal does not satisfy the condition of the preset reserved context, the context of the one user terminal and the radio bearer established for the one user terminal are deleted.
- the group subscription data includes at least one packet data network subscription context
- the packet data network subscription context includes at least the subscribed quality of service information, the signed access point name, and the peer server IP address of the communication.
- the application provides a user terminal, where the user terminal includes an access request module, where: the access request module is configured to send an access request that carries a group identifier, where at least two of the user terminal groups are The user terminals have the same group identifier, so that the network authenticates one user terminal in the user terminal group according to the group identifier, and acquires subscription data of the user terminal group, where each user terminal group Corresponding to one subscription data, the context of the one user terminal is generated by using the subscription data of the user terminal group.
- the access request module is configured to send an access request that carries a group identifier, where at least two of the user terminal groups are The user terminals have the same group identifier, so that the network authenticates one user terminal in the user terminal group according to the group identifier, and acquires subscription data of the user terminal group, where each user terminal group Corresponding to one subscription data, the context of the one user terminal is generated by using the subscription data of the user terminal group.
- the embodiment of the present invention provides a network system, where the network system includes the access device in the third aspect and any possible implementation manner of the third aspect, and the user terminal in the fourth aspect.
- the application provides an access device, where the access device includes a receiver, a memory, and a processor electrically connected to the receiver and the memory, respectively, where the receiver is configured to receive a user terminal.
- An access request message carrying a group identifier sent by a user terminal in the group, wherein at least two of the user terminals of the user terminal group have the same group identifier; and the processor is configured to use the group identifier received by the receiver Performing authentication on the one user terminal, acquiring subscription data of the user terminal group, where each of the user terminal groups corresponds to one subscription data, and using the subscription data of the user terminal group to generate the one user terminal Context; the memory is configured to store subscription data of a user terminal group acquired by the processor and a context generated by the processor for the one user terminal.
- the processor is configured to perform authentication on a user terminal in the user terminal group according to the group identifier received by the receiver, where When the user terminal is the first user terminal of the user terminal group, the location update request message is sent, and the update location response message returned by the legality check is received, and the update location response message is obtained from the update location response message.
- the subscription data of the user terminal group is configured to perform authentication on a user terminal in the user terminal group according to the group identifier received by the receiver, where When the user terminal is the first user terminal of the user terminal group, the location update request message is sent, and the update location response message returned by the legality check is received, and the update location response message is obtained from the update location response message.
- the subscription data of the user terminal group is configured to perform authentication on a user terminal in the user terminal group according to the group identifier received by the receiver, where When the user terminal is the first user terminal of the user terminal group, the location update request message is sent, and the update location response message returned by the legality check is received, and the update location
- the processor is configured to establish different manners for all user terminals in the user terminal group
- the packet data network carries or establishes a packet data network bearer for all user terminals of the user terminal group.
- the processor is configured to establish a radio bearer for the one user terminal, and the radio bearer The packet data network bearer is associated.
- the processor is used by the user terminal When the attribute does not satisfy the condition of the preset reserved context, the context of the one user terminal and the radio bearer established for the one user terminal are deleted.
- the subscription data of the user terminal group includes at least one packet data network subscription Context
- the packet data network subscription context includes at least contracted quality of service information, a signed access point name, and a peer server IP address of the communication.
- the network access method provided by the embodiment of the present invention receives the access request of the user terminal carrying the group identifier, authenticates the user terminal according to the group identifier, and obtains the subscription data of the group, and generates the user by using the subscription data of the group.
- the subscription data required for the user terminal of the same group to generate the context is from the same group subscription data, so that each user terminal of the same user terminal group is configured with a separate identifier in the prior art, and the independent maintenance is the same.
- the network access method provided by the embodiment of the present invention can effectively reduce the overhead of network resources, implement centralized management of user terminals, and reduce management costs.
- 1 is a schematic diagram of an architecture of an M2M application
- FIG. 2 is a flowchart of a network access method according to an embodiment of the present invention.
- FIG. 3 is a flowchart of another network access method according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of an end-to-end bearer of an LTE network
- FIG. 5 is a flowchart of still another network access method according to an embodiment of the present invention.
- FIG. 6 is a flowchart of still another network access method according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of an access device according to an embodiment of the present disclosure.
- FIG. 8 is a schematic structural diagram of another access device according to an embodiment of the present disclosure.
- FIG. 9 is a schematic structural diagram of still another access device according to an embodiment of the present disclosure.
- FIG. 10 is a schematic structural diagram of an access device according to an embodiment of the present invention.
- M2M is an integration of wireless communication and information technology. It can be used for two-way communication, such as collecting information, setting parameters and sending commands over long distances. Therefore, M2M technology can have different application solutions, such as security monitoring, vending machines, cargo tracking, etc. .
- GSM Global System for Mobile Communications
- GPRS General Packet Radio
- Universal Mobile Telecommunications Universal Mobile Telecommunications
- UMTS Universal Mobile Telecommunications
- the short-distance connection technologies mainly include 802.11b/g, Bluetooth (BlueTooth), new wireless network data communication technology (Zigbee), and radio frequency identification technology (Radio). Frequency Identification (RFID) and Ultra Wideband (UWB). Of course, there are some other technologies that are not excluded.
- FIG. 1 is a schematic diagram of an architecture of an M2M application.
- the architecture of the M2M application mainly includes an M2M terminal, an application server (such as a water meter server, an electric meter server, etc.), and a fixed and mobile network part (such as a mobile cellular, WiFi, Zigbee and fixed internet networks, etc.).
- an application server such as a water meter server, an electric meter server, etc.
- a fixed and mobile network part such as a mobile cellular, WiFi, Zigbee and fixed internet networks, etc.
- Such services For remote monitoring services implemented through M2M technology, such as smart meter reading, intelligent monitoring of mountains and water environments, etc., a large number of wireless terminals are often required for periodic measurement and data reporting.
- Such services generally have the following characteristics:
- the number of terminals is large: there can be up to 30,000 terminals under one cell;
- the amount of data is small and fixed: such as the smart meter reading service, the amount of data that needs to be reported is often less than 50 Bytes, and the amount of data that needs to be transmitted each time is almost the same, with little fluctuation;
- the service cycle characteristics are obvious: the service presents a certain periodicity.
- the M2M data collection server often requires the terminal device to report data once a month, every week, or every day.
- the communication characteristics of the service are relatively fixed: for example, the smart meter reading service, all terminals only communicate with the same server, report their own measurement data information to the server or download the latest service software version from the server.
- the terminal is the service initiator: Generally, the terminal actively connects to the service server and reports its own detection status.
- M2M devices are generally in a fixed position, such as a water meter detection device placed at home.
- M2M devices can generally tolerate large transmission delays.
- group characteristics A group of M2M terminals that implement the same service function will communicate with the same or the same group of servers and report their respective detection results. If such a M2M terminal still adopts a traditional manner of treatment in a telecommunication network, it will cause a certain waste of network resources and reduce network transmission efficiency.
- the present application proposes a network access method, which can utilize the group characteristics to optimize the M2M device, thereby improving network resource utilization and reducing network load and overhead.
- FIG. 2 is a flowchart of a network access method according to an embodiment of the present invention.
- the network access method in this embodiment includes:
- Step S101 Receive an access request message carrying a group identifier sent by a user terminal in the user terminal group, where at least two user terminals in the user terminal group have the same group identifier;
- a user terminal (UE) in the user terminal group When a user terminal (UE) in the user terminal group initially accesses the network, it sends an access request message (such as an attach request or a service request), and carries the group identifier in the attach request or the service request message. ID), this Group ID is used to indicate the packet in which the UE is located. At least two UEs in the user terminal group belong to the same group and have the same group. ID.
- the access device receives an access request message of the UE.
- Step S102 Perform authentication on a user terminal in the user terminal group according to the group identifier, and obtain subscription data of the user terminal group, where each user terminal group corresponds to one subscription data;
- the access device uses the group carried in the request message sent by the UE. ID, authenticates the UE that requests access, and verifies the legitimacy of the UE. For the UE that is authenticated, the subscription data of the user terminal group where the UE is located is obtained. The subscription data corresponding to each user terminal group is stored in the home registration server or the home location register.
- the access device If the UE currently requesting access is the first access UE of the user terminal group, the access device is not saved with the group.
- the subscription data corresponding to the ID At this time, the access device sends a location update request message to the Home Subscriber Server (HSS) for requesting and grouping.
- the contract data corresponding to the ID The sent request message carries a Group ID.
- the HSS checks the validity of the group identifier sent by the access device, and returns a location update response message if the authentication is valid.
- the location update response message will carry the Group ID and contract data for this group. If the UE currently requesting access is not the first access UE of the user terminal group in which it is located, the group and the group have been saved in the access device.
- the subscription data corresponding to the ID directly obtains the subscription data corresponding to the Group ID from the access device.
- Each user terminal group corresponds to one subscription data.
- the subscription data of the group includes at least one packet data network (Packet Data).
- Network, PDN) subscription context each PDN subscription context includes signed quality of service (QoS) information, signed access point name (Access Point Name, APN), the IP address of the peer server of the communication, and so on.
- QoS quality of service
- APN Access Point Name
- the access device may acquire the context for the UE by using the subscription data of the user terminal group obtained from the HSS.
- Step S103 Generate a context of the user terminal by using the subscription data of the user terminal group.
- the access device generates the context of the UE by using the subscription data of the user terminal group. After the context of the UE is generated, the data communicated between the UE and the access device is transmitted encrypted.
- the context of the UE refers to the information for establishing a data transmission channel for the UE.
- the context of the UE may include the UE identifier, the S1 application protocol (S1AP) identifier, the call number, the session identifier, and the cell wireless network temporary identifier (Cell).
- SMS Short Message-Code
- the access device as the execution subject may be an evolved system base station (eNodeB, eNB) or a mobility management entity (Mobility). Management Entity, MME).
- eNodeB evolved system base station
- MME mobility management entity
- the network access method provided by the embodiment of the present invention configures a group identifier to identify a group in which the user terminal is located, and does not configure a separate identifier for each user terminal. Realize centralized management of user terminals and reduce management costs.
- the access device authenticates the user terminal according to the group identifier and acquires the subscription data of the group, and uses the subscription data of the group to generate the context of the user terminal. In this way, the subscription data required for each user terminal of the same user terminal group to generate a context is from the same group subscription data, which effectively saves network resource overhead.
- the subsequent user terminal After the first user terminal of the same user terminal group accesses the subscription data of the group, the subsequent user terminal does not need to request the subscription data of the group again, but directly generates the user by using the subscription data of the previously obtained user terminal group.
- the context of the terminal improves the access efficiency of the user terminal.
- FIG. 3 is a flowchart of another network access method according to an embodiment of the present invention.
- the network access method in this embodiment includes:
- Step S201 Receive an access request message carrying a group identifier sent by a user terminal in the user terminal group, where at least two user terminals in the user terminal group have the same group identifier;
- a UE in the user terminal group When a UE in the user terminal group initially accesses the network, it sends an access request message (such as an attach request or a service request), and carries the group in the attach request or the service request message. ID, this Group ID is used to indicate the packet in which the UE is located. At least two UEs in the user terminal group belong to the same group and have the same group. ID.
- the access device receives an access request message of the UE.
- Step S202 Perform authentication on a user terminal according to the group identifier, and determine whether the user terminal is the first access user terminal of the user terminal group;
- the ID is authenticated by the ID, and it is determined whether the UE is the first access UE of the user terminal group.
- step S203 is performed; otherwise, step S204 is performed.
- Step S203 Send a location update request message, receive an update location response message returned by the validity check, obtain subscription data of the user terminal group from the update location response message, and generate a context of the user terminal by using the subscription data of the user terminal group. ;
- the access device When the UE is the first access UE of the group, the access device sends a location update request message to the HSS for requesting and grouping
- the sent request message carries a Group ID.
- the HSS checks the validity of the group identifier sent by the access device, and returns a location update response message if the authentication is valid.
- the location update response message will carry the Group ID and contract data for this group.
- the context of the one UE is generated using the subscription data of the group.
- the context of the UE refers to the information for establishing a data transmission channel for the UE.
- the context of the UE may include the UE identifier, the S1 application protocol (S1AP) identifier, the call number, the session identifier, and the cell wireless network temporary identifier (Cell).
- SMS Short Message-Code
- Step S204 directly using the subscription data of the previously obtained user terminal group to generate a context of the user terminal;
- the subscription data of the user terminal group corresponding to the ID directly obtains the group from the access device.
- the subscription data of the user terminal group corresponding to the ID corresponds to one subscription data.
- the context of a UE is generated using the subscription data of the user terminal group.
- the access device mentioned above as an execution subject may be an eNB or an MME.
- Step S205 Establish a packet data network bearer for the user terminal.
- the access device establishes a PDN bearer between the serving gateway and the packet data gateway for the one UE. Subsequent data is transmitted on the bearer.
- the access device may establish a different PDN bearer for all UEs in the user terminal group, or establish a PDN bearer for all UEs in the user terminal group.
- the MME when the MME is the executor, the MME directly initiates the establishment of a PDN bearer for the UE.
- the eNB is the eNB, the eNB triggers the MME to establish a PDN bearer for the UE.
- Step S206 Establish a radio bearer for the user terminal.
- the access device establishes a radio bearer for the one UE, and associates the established radio bearer with the established PDN bearer.
- the MME When the MME is the executor, the MME sends a transmission context setup request message to the eNB, the message carrying the Group ID, and bearer setup information, for the eNB to establish a radio bearer for the UE.
- the eNB After receiving the context setup request message sent by the MME, the eNB generates a context of the UE. And the eNB uses the cell wireless network temporary identifier (Cell Radio Network Temporary The Identifier (C-RNTI) is an index that uses C-RNTI to distinguish the contexts of different UEs belonging to the same user terminal group.
- C-RNTI Cell Radio Network Temporary The Identifier
- the eNB needs to establish a context for each of the multiple UEs, and each UE is configured with a different C-RNTI, and is distinguished from the context of the UE by the associated C-RNTI.
- the eNB establishes a radio bearer for the UE, configures an air interface protocol stack parameter, and establishes a user plane protocol stack. And returning an initial context setup response to the MME to respond to the request message sent by the MME.
- the MME modifies the established bearer according to the parameters in the returned response.
- the eNB When the eNB is the executor, the eNB itself initiates the establishment of a radio bearer for the UE. And establishing the established radio bearer with the above established PDN bearer.
- the so-called bearer refers to the channel through which the user performs data transmission.
- the following is a long-term evolution (Long).
- LTE Long-term evolution
- the Term Evolution (LTE) network is used as an example to illustrate:
- FIG. 4 is a schematic diagram of an end-to-end bearer of an LTE network.
- communication between a UE and a packet data gateway (P-GW) needs to be performed on a dedicated bearer.
- the bearer between the UE and the eNB is called a radio bearer;
- the bearer between the eNB and the Serving Gateway (S-GW) is called the S1 bearer (the interface between the eNB and the S-GW is called the S1 port);
- the S-GW and the P-GW are the S5/S8 bearers.
- the S1 bearer and the S5/S8 are collectively referred to as a PDN bearer or a core network bearer.
- the radio bearer is associated with the PDN bearer to connect the PDN bearer with the radio bearer, thereby providing a data transmission channel of the UE to the P-GW.
- Step S207 If the user terminal does not have data transmission within a predetermined time, the user terminal is placed in an asynchronous state with the network;
- the UE If there is no data transmission in the predetermined time after the UE accesses the network, the UE is placed in an asynchronous state with the network, that is, the UE is allowed to go out of synchronization, thereby saving power consumption of the UE and extending the standby time.
- Step S208 When the attribute of the one user terminal does not meet the condition of the preset reserved context, deleting the context of the one user terminal and the radio bearer established for the user terminal;
- the UE's active state may change. For example, the UE does not transmit data for a period of time, or the UE sends data to the network too frequently.
- the access device may periodically detect the attributes of each UE in the group. When it is detected that the attributes of the UE do not meet the preset reservation context, the UE deletes the context of the UE and the radio bearer established for the UE.
- the preset condition for retaining the context may be that the amount of data transmission within a predetermined time is greater than or less than a predetermined value. As long as the detected UE attribute does not satisfy the condition of the preset reserved context, the UE context and the radio bearer established for the UE may be triggered. In this way, a rational allocation of resources is achieved.
- the MME and the eNB activate the context of the UE, and establish an EPS bearer for the UE.
- the context information of the UE is stored in the Gateway, P-GW.
- a network access method is also provided in the embodiment of the present invention.
- the user terminal is used as an execution entity.
- the network access method in this embodiment includes:
- a user terminal in the user terminal group sends an access request carrying a group identifier, where at least two of the user terminals in the user terminal group have the same group identifier, so that the network associates one user terminal in the user terminal group according to the group identifier.
- the authentication is performed to obtain the subscription data of the user terminal group, where each user terminal group corresponds to one subscription data, and the subscription data of the user terminal group is used to generate the context of the one user terminal.
- a UE in the user terminal When a UE in the user terminal initially accesses the network, it sends an access request message (such as an attach request or a service request), and carries the group in the attach request or the service request message.
- ID this Group ID is used to indicate the user terminal group in which the UE is located. At least two UEs in the user terminal group belong to the same group and have the same group ID, so that the network is based on the group.
- the ID authenticates a user terminal in the user terminal group, and obtains the group by acquiring the group.
- the subscription data of the user terminal group corresponding to the ID.
- Each user terminal group corresponds to one subscription data, and uses the subscription data of the user terminal group to generate a context of the user terminal.
- the context of the UE in this embodiment refers to the information about establishing a data transmission channel for the UE.
- the context of the UE may include the UE identifier, the S1 application protocol (S1AP) identifier, the call number, the session identifier, and the cell radio network temporary identifier (Cell). Radio Network Temporary Identifier (C-RNTI) or one or more of a Short Message-Code (Short-MAC) identifier, a service gateway address, a mobility management entity signaling connection identifier value, a handover restriction list, and a PDN address.
- S1AP S1 application protocol
- Cell cell radio network temporary identifier
- C-RNTI Radio Network Temporary Identifier
- Short-MAC Short Message-Code
- the following describes the network access method of the present application by using two specific implementation examples: the MME and the eNB as the execution subject control user terminal access.
- FIG. 5 is a flowchart of still another network access method according to an embodiment of the present invention.
- an MME controls access of a user terminal, and is connected to a first user terminal of the same user terminal group. Enter as an example.
- the network access method in this embodiment includes:
- the UE sends a request for accessing the network to the mobility management entity MME.
- the UE initially accesses the network, and carries the Group ID in the attach request or the service request message, and is used to indicate the packet where the UE is located.
- the MME may perform authentication on the UE.
- the MME authenticates the UE by using the group ID of the UE, and verifies the legitimacy of the UE.
- the MME sends a location update request message to the home subscription server HSS.
- the subscription data of the group in which the UE is located is not stored in the MME, and therefore, the MME sends a location update request message to the HSS.
- the message carries the Group ID of the UE.
- the HSS returns a location update response message to the MME.
- the group of the UE sent by the HSS to the MME The ID is verified for legality. If the verification is valid, the location update response message is returned, and the message carries the Group. ID and contract data for this group.
- the subscription data of the group includes at least one PDN subscription context, and each PDN subscription context includes information such as QoS information, the signed APN, and the IP address of the peer server of the communication.
- the MME uses these subscription data to generate a context for the UE.
- the MME establishes a PDN bearer between the S-GW and the P-GW for the UE.
- the MME establishes a PDN bearer between the S-GW and the P-GW for the same group of UEs, or establishes a PDN bearer between the S-GW and the P-GW for the same group of UEs.
- the MME sends a transmission context setup request message to the eNB, where the request message carries the IP address of the S-GW and the port number of the GTP carried by the S1.
- the S1 bearer is a bearer between the eNB and the S-GW.
- the MME sends a Transport Context Setup Request message to the eNB.
- the message carries a Group ID and bearer setup message for the eNB to establish a radio bearer for the UE.
- the eNB establishes a context of the UE.
- the eNB After receiving the transmission context setup request message sent by the MME, the eNB generates context information of the UE. And the eNB uses the cell radio network temporary identifier (Cell Radio) Network Temporary The Identifier (C-RNTI) is an index, and the C-RNTI is used to distinguish the contexts of UEs belonging to the same group. If there are multiple groups under the eNB with the same group For the UE of the ID, the eNB needs to establish a context for the multiple UEs, and each UE is configured with a different C-RNTI, which is distinguished from the context of the UE by the associated C-RNTI.
- C-RNTI cell radio network temporary identifier
- the eNB establishes a radio bearer for each UE.
- the eNB establishes a radio bearer for the UE, configures an air interface protocol stack parameter, and establishes a user plane protocol stack. And establishing the established radio bearer with the established PDN bearer described above.
- the eNB returns an initial context setup response to the MME, where the response message carries an IP address of the eNB and a port number of the S1 bearer GTP.
- the eNB returns an initial context setup response to the MME in response to the request message sent by the MME.
- the MME modifies the established bearer according to the IP address of the eNB and the port number of the S1 bearer GTP, so that the radio bearer and the S-GW correspond to the PDN bearers of the P-GW.
- the active state of the UE changes, and the eNB sets the UE to be in an asynchronous state with the network.
- the active state of the UE changes. For example, if the UE does not transmit data for a period of time, the eNB sets the UE to be in an asynchronous state with the network, that is, allows the UE to lose uplink, so as to save power consumption of the UE and extend standby. time.
- the context of the UE is reserved in the MME, and the eNB requests the MME to delete the context of the UE.
- the MME After receiving the request, the MME sends a delete bearer request to the S-GW to delete the radio bearer and the context that have been established for the UE.
- the MME returns a deletion response to the eNB and deletes the UE context reserved in the MME.
- the subscription data of the group required by the MME to generate the UE context does not need to be requested again from the HSS.
- the context of the UE is generated directly by using the saved group subscription data in the MME.
- the MME establishes a PDN bearer for all UEs in the same group, the MME does not re-establish a new bearer for the subsequent UE, but directly assigns the subsequently accessed UE to the established PDN bearer.
- FIG. 6 is a flowchart of a network access method according to an embodiment of the present invention.
- an eNB controls an access of a UE, and the first user terminal of the same group accesses. for example.
- the network access method in this embodiment includes:
- the UE sends a request for accessing the network to the mobility management entity MME.
- the UE accesses the eNB through an RRC (Radio Resource Control) connection request message, and carries the Group ID information.
- RRC Radio Resource Control
- the eNB may perform authentication on the UE.
- the eNB authenticates the UE by using the Group ID carried in the request message sent by the UE, and verifies the legality of the UE.
- the eNB sends a location update request message to the home subscription server HSS.
- the first one of the same group of UEs is connected to the eNB, and the eNB is not saved with the group.
- the subscription data corresponding to the ID the eNB sends a location update request message to the HSS for requesting the subscription data of the group.
- the request message carries a Group ID.
- the HSS returns a location update response message to the eNB.
- the HSS receives the request message sent by the eNB, and the group The ID is checked for validity. If the check is valid, the location update response message is returned to the eNB, and the message carries the group of the user terminal group. ID and contract data for this group.
- the subscription data of the group includes at least one PDN subscription context, and each PDN subscription context includes information such as QoS information, the signed APN, and the IP address of the peer server of the communication.
- the eNB generates a context of the UE.
- the eNB generates a context for the UE using the subscription data of the group obtained from the HSS.
- the eNB triggers to establish a PDN bearer between the S-GW and the P-GW for the UE.
- the eNB triggers the MME to establish a PDN bearer between the S-GW and the P-GW for the UE.
- the MME may establish different PDN bearers for the same group of UEs, and may also establish one PDN bearer for the same group of UEs.
- the eNB establishes a radio bearer for the UE.
- the eNB establishes a radio bearer for the UE, configures an air interface protocol stack parameter, and establishes a user plane protocol stack. And establishing the established radio bearer with the established PDN bearer described above.
- the active state of the UE changes, and the eNB sets the UE to be in an asynchronous state with the network.
- the active state of the UE changes. For example, if the UE does not transmit data for a period of time, the eNB sets the UE to be in an asynchronous state with the network, that is, allows the UE to lose uplink, so as to save power consumption of the UE and extend standby. time.
- the eNB only the eNB is used as the control unit for connection establishment, and the eNB actively triggers the deletion of the UE context, and sends a bearer deletion request to the S-GW, requesting the S-GW and the P-GW to delete the saved UE context and the established radio bearer. .
- the subsequent steps are basically the same.
- the difference is that after the subsequent UE accesses the eNB, the eNB has obtained the group from the HSS. The data is contracted, thus establishing a context directly for the UE.
- the MME establishes a PDN bearer for the users in the same group, the MME does not re-establish a new bearer for the subsequent UE, but directly assigns the subsequently accessed UE to the established bearer.
- FIG. 7 is a schematic structural diagram of an embodiment of an access device according to an embodiment of the present invention.
- the access device 100 of this embodiment includes a receiving module 11, an obtaining module 12, and a generating module 13, where:
- the receiving module 11 is configured to receive an access request message that carries a group identifier sent by one UE in the user terminal group, where at least two UEs in the user terminal group have the same group identifier;
- the obtaining module 12 is configured to perform authentication on a UE in the user terminal group according to the group identifier received by the receiving module 11, and obtain subscription data of the user terminal group, where each user terminal group corresponds to one subscription data;
- the obtaining module 12 utilizes the group carried in the request message sent by one UE in the user terminal group. ID, authenticates the one UE that requests access, and verifies the legitimacy of the UE. For the UE that is authenticated, the subscription data of the user terminal group where the UE is located is obtained. The subscription data corresponding to each group is stored in the home registration server or the home location register.
- the obtaining module 12 is configured to perform authentication on the UE according to the group identifier.
- the location update request message is sent, and the update location response message returned by the legality check is received.
- the access device does not save the group.
- the subscription data corresponding to the ID at this time, the obtaining module 12 sends a location update request message to the HSS for requesting the subscription data corresponding to the Group ID.
- the sent request message carries a Group ID.
- the HSS performs a validity check on the group identifier sent by the obtaining module 12, and returns a location update response message if the verification is legal.
- the location update response message carries the group of the user terminal group.
- the ID and the contract data of the group are output to the generation module 13.
- the subscription data corresponding to the ID directly obtains the subscription data corresponding to the Group ID from the access device.
- Each user terminal group corresponds to one subscription data.
- the subscription data of the group includes at least one PDN subscription context
- each PDN subscription context includes information such as the contracted QoS information, the signed APN, and the IP address of the peer server of the communication.
- the generating module 13 is configured to generate a context of the UE according to the subscription data of the user terminal group acquired by the obtaining module 12.
- the generating module 13 uses the subscription information acquired by the obtaining module 12 to establish a context for one UE. After the context of the UE is generated, the data communicated between the UE and the access device is transmitted encrypted.
- the context of the UE in this embodiment refers to the information about establishing a data transmission channel for the UE.
- the context of the UE may include the UE identifier, the S1 application protocol (S1AP) identifier, the call number, the session identifier, and the cell wireless network temporary identifier (Cell).
- SMS Short Message-Code
- the access device in this embodiment may be an eNB or an MME.
- FIG. 8 is a schematic structural diagram of another access device according to an embodiment of the present invention.
- the access device 200 of the embodiment includes a receiving module 21, an obtaining module 22, a generating module 23, and a first establishing module 24. a second establishing module 25 and a deleting module 26, wherein:
- the receiving module 21 is configured to receive an access request message that carries a group identifier sent by one UE of the user terminal group, where at least two UEs of the user terminal group have the same group identifier;
- the obtaining module 22 is configured to perform authentication on a UE in the user terminal group according to the group identifier received by the receiving module 21, and obtain subscription data of the user terminal group, where each user terminal group corresponds to one subscription data;
- the generating module 23 is configured to generate a context of the UE by using the subscription data of the user terminal group acquired by the obtaining module 22;
- the context of the UE in this embodiment refers to the information about establishing a data transmission channel for the UE.
- the context of the UE may include the UE identifier, the S1 application protocol (S1AP) identifier, the call number, the session identifier, and the cell radio network temporary identifier (Cell). Radio Network Temporary Identifier (C-RNTI) or one or more of a Short Message-Code (Short-MAC) identifier, a service gateway address, a mobility management entity signaling connection identifier value, a handover restriction list, and a PDN address.
- S1AP S1 application protocol
- Cell cell radio network temporary identifier
- C-RNTI Radio Network Temporary Identifier
- Short-MAC Short Message-Code
- the first establishing module 24 is configured to establish a PDN bearer for the UE.
- the first establishing module 24 establishes a PDN bearer between the S-GW and the P-GW for the UE. Subsequent data is transmitted on the bearer.
- the first establishing module 24 may establish a different PDN bearer for each UE in the user terminal group, or may establish a PDN bearer for all UEs in the same user terminal group.
- the second establishing module 25 is configured to establish a radio bearer for the one UE, and associate the radio bearer with the PDN bearer;
- the second establishing module 25 establishes a radio bearer for one UE of the user terminal group, and associates the established radio bearer with the established PDN bearer.
- the deleting module 26 is configured to delete the context of the UE and the radio bearer established for the UE when the attribute of the UE does not meet the condition of the preset reserved context.
- the UE's active state may change. For example, the UE does not transmit data for a period of time, or the UE sends data to the network too frequently.
- the access device may periodically detect the attribute of the user terminal in the user terminal group. When detecting that the attribute of one UE does not meet the condition of the preset reserved context, the UE is placed in an asynchronous state with the network, and the deletion is triggered.
- Module 26 deletes the context of the UE and the radio bearers established for the UE.
- the preset condition for retaining the context may be that the amount of data transmission within a predetermined time is greater than or less than a predetermined value.
- the deletion module 26 deletes the UE context and the radio bearer established for the UE as long as the detected UE attribute does not satisfy the condition of the preset reserved context. In this manner, the uplink and downlink out-of-synchronization of the UE are implemented in a specific state, so as to save power consumption of the UE and prolong the standby time of the UE.
- the access device in this embodiment may be an eNB or an MME.
- FIG. 9 is a schematic structural diagram of a user terminal according to an embodiment of the present invention.
- the user terminal 300 of this embodiment includes an access request module 31, where:
- the access requesting module 31 is configured to send an access request carrying a group identifier, where at least two user terminals in the user terminal group have the same group identifier, so that the network authenticates one user terminal in the user terminal group according to the group identifier.
- the access request module 31 sends an attach request or a service request to the access device, and carries the group in the attach request or the service request message.
- ID this Group ID is used to indicate the packet in which the UE is located. At least two UEs in the user terminal group belong to the same group and have the same group. The ID is used to enable the network to authenticate a user terminal in the user terminal group according to the group identifier, obtain the subscription data of the user terminal group, and use the subscription data of the user terminal group to generate a context of the UE.
- the context of the UE in this embodiment refers to the information about establishing a data transmission channel for the UE.
- the context of the UE may include the UE identifier, the S1 application protocol (S1AP) identifier, the call number, the session identifier, and the cell radio network temporary identifier (Cell). Radio Network Temporary Identifier (C-RNTI) or one or more of a Short Message-Code (Short-MAC) identifier, a service gateway address, a mobility management entity signaling connection identifier value, a handover restriction list, and a PDN address.
- S1AP S1 application protocol
- Cell cell radio network temporary identifier
- C-RNTI Radio Network Temporary Identifier
- Short-MAC Short Message-Code
- FIG. 10 is a schematic structural diagram of an access device according to an embodiment of the present invention.
- the access device 400 of the embodiment includes a processor 41, a receiver 42, a transmitter 43, and a random access memory 44. Read only memory 45, bus 46, and network interface unit 47.
- the processor 41 is coupled to the receiver 42, the transmitter 43, the random access memory 44, the read only memory 45, and the network interface unit 47 via the bus 46.
- the basic input/output system in the read-only memory 45 or the bootloader booting system in the embedded system is booted to boot the access device 400 into a normal operating state.
- the application and operating system are run in the random access memory 44, receiving data from the network or transmitting data to the network such that:
- the receiver 42 receives an access request message carrying a group identifier sent by a user terminal of the user terminal group, where at least two user terminals of the user terminal group have the same group identifier;
- the processor 41 authenticates a user terminal according to the group identifier received by the receiver 42 to obtain subscription data of the user terminal group, where each user terminal group corresponds to one subscription data, and uses the group subscription data to generate a user terminal.
- the context of the UE in this embodiment refers to the information about establishing a data transmission channel for the UE.
- the context of the UE may include the UE identifier, the S1 application protocol (S1AP) identifier, the call number, the session identifier, and the cell radio network temporary identifier (Cell). Radio Network Temporary Identifier (C-RNTI) or one or more of a Short Message-Code (Short-MAC) identifier, a service gateway address, a mobility management entity signaling connection identifier value, a handover restriction list, and a PDN address.
- S1AP S1 application protocol
- Cell cell radio network temporary identifier
- C-RNTI Radio Network Temporary Identifier
- Short-MAC Short Message-Code
- the processor 41 is configured to authenticate one user terminal in the user terminal group according to the group identifier received by the receiver 42, and send a location update request when one user terminal is the first user terminal of the user terminal group.
- the message receives the update location response message returned by the legality check, and acquires the subscription data of the user terminal group from the update location response message.
- the processor 41 is further configured to establish different packet data network bearers for all user terminals in the user terminal group or establish a PDN bearer for all user terminals of the user terminal group.
- the processor 41 further establishes a radio bearer for the user terminal, and the radio bearer is associated with the PDN bearer, and periodically detects the attribute of the user terminal in the user terminal group, and the condition that the attribute of one user terminal does not satisfy the preset reserved context
- the context of the one user terminal and the radio bearer established for the user terminal are deleted.
- the subscription data of the user terminal group includes at least one packet data network subscription context, and the packet data network subscription context includes at least the signed service quality information, the signed access point name, and the peer server IP address of the communication.
- the processor 41 may be a central processing unit CPU or a specific integrated circuit ASIC (Application). Specific Integrated Circuit), or one or more integrated circuits configured to implement embodiments of the present invention.
- ASIC Application specific Integrated Circuit
- the random access memory 44 and the read only memory 45 are used to store the subscription data of the user terminal group and the context of the user terminal.
- the embodiment of the present invention further provides a network system, where the network system includes the access device and the user terminal provided by any of the foregoing embodiments.
- the network access method provided by the embodiment of the present invention configures a group identifier to identify a group in which the user terminal is located, and does not configure a separate identifier for each user terminal. Realize centralized management of user terminals and reduce management costs.
- the access device authenticates the user terminal according to the group identifier and acquires the subscription data of the group, and uses the subscription data of the group to generate the context of the user terminal. In this way, the subscription data required for the user terminal of the same group to generate the context is from the same group subscription data, which effectively saves the overhead of network resources.
- the subsequent user terminal After the first user terminal accesses the subscription data of the group, the subsequent user terminal does not need to request the subscription data of the group again when accessing the network, but directly generates the context of the user terminal by using the previously obtained subscription data, thereby improving the connection of the user terminal. Efficiency.
- the disclosed system, apparatus, and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the modules or units is only a logical function division.
- there may be another division manner for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
- the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
- a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM, Read-Only) Memory, random access memory (RAM), disk or optical disk, and other media that can store program code.
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Abstract
Des modes de réalisation de la présente invention concernent un procédé, un dispositif et un système d'accès au réseau. Le procédé d'accès au réseau consiste à: recevoir un message de requête d'accès qui est envoyé par un terminal utilisateur figurant dans un groupe de terminaux utilisateur et véhicule un identifiant de groupe, au moins deux terminaux utilisateur dans le groupe de terminaux utilisateur étant pourvus d'un même identifiant de groupe; sur la base de l'identifiant de groupe, authentifier un terminal utilisateur du groupe de terminaux utilisateur et obtenir des données d'abonnement du groupe de terminaux utilisateur, chaque groupe de terminaux utilisateur correspondant à un seul élément de données d'abonnement; et utiliser les données d'abonnement du groupe de terminaux utilisateur pour générer un contexte d'un terminal utilisateur. Des terminaux utilisateur d'un même groupe peuvent partager un élément de données d'abonnement de groupe, la surcharge de ressources réseau est réduite, une gestion centralisée des terminaux utilisateur peut être mise en œuvre, et un coût de gestion est réduit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/083548 WO2015035640A1 (fr) | 2013-09-16 | 2013-09-16 | Procédé, dispositif et système d'accès au réseau |
| CN201380002703.1A CN104641667B (zh) | 2013-09-16 | 2013-09-16 | 一种网络接入方法、设备及系统 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/083548 WO2015035640A1 (fr) | 2013-09-16 | 2013-09-16 | Procédé, dispositif et système d'accès au réseau |
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| WO2015035640A1 true WO2015035640A1 (fr) | 2015-03-19 |
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| PCT/CN2013/083548 Ceased WO2015035640A1 (fr) | 2013-09-16 | 2013-09-16 | Procédé, dispositif et système d'accès au réseau |
Country Status (2)
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| CN (1) | CN104641667B (fr) |
| WO (1) | WO2015035640A1 (fr) |
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| CN109862525A (zh) * | 2017-11-30 | 2019-06-07 | 华为技术有限公司 | 一种用户群组的建立方法及装置 |
| US20210014686A1 (en) * | 2018-03-28 | 2021-01-14 | Huawei Technologies Co., Ltd. | Method For Controlling Access Of Terminal To Network And Network Element |
| CN112333839A (zh) * | 2020-10-27 | 2021-02-05 | 广东小天才科技有限公司 | 一种通信处理方法、装置及网络设备 |
| CN115643562A (zh) * | 2021-07-19 | 2023-01-24 | 华为技术有限公司 | 一种通信方法及装置 |
| CN118075257A (zh) * | 2023-12-13 | 2024-05-24 | 天翼云科技有限公司 | 一种基于虚拟设备分组的云桌面多连接方法 |
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| CN119967487A (zh) * | 2024-07-24 | 2025-05-09 | 中国电信股份有限公司 | 业务控制方法、装置、设备、介质和产品 |
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Also Published As
| Publication number | Publication date |
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| CN104641667B (zh) | 2018-10-02 |
| CN104641667A (zh) | 2015-05-20 |
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