WO2008148357A1 - Système et procédé de communication, passerelle de station de base domestique et serveur de station de base domestique - Google Patents

Système et procédé de communication, passerelle de station de base domestique et serveur de station de base domestique Download PDF

Info

Publication number
WO2008148357A1
WO2008148357A1 PCT/CN2008/071211 CN2008071211W WO2008148357A1 WO 2008148357 A1 WO2008148357 A1 WO 2008148357A1 CN 2008071211 W CN2008071211 W CN 2008071211W WO 2008148357 A1 WO2008148357 A1 WO 2008148357A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
home base
gateway
address
authentication
Prior art date
Application number
PCT/CN2008/071211
Other languages
English (en)
Chinese (zh)
Inventor
Yong Qiu
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008148357A1 publication Critical patent/WO2008148357A1/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a communication system and method, a home base station gateway, and a home base station server. Background technique
  • a home base station refers to a small, small base station for home or office. It may be completely private. It can also be opened to the public for use with different priorities and permissions. Its ownership is private, not government or The operator; its use may be a small range of users, but also a wide range of users. ⁇ Using home base stations to achieve wireless access, can better utilize existing network resources, save more network equipment operators' costs, and combine the advantages of mobile access networks and fixed access networks.
  • the evolution network is also called SAE (System Architecture Evolution). (Evolution) / LTE (Long Term Evolution) network, the access network of the evolved network is called E-UTRAN (Evolved UMTS Territorial Radio Access Network), evolved UMTS (Universal Mobile Telecommunications System) Radio Access Network
  • SAE System Architecture Evolution
  • LTE Long Term Evolution
  • E-UTRAN Evolved UMTS Territorial Radio Access Network
  • evolved UMTS Universal Mobile Telecommunications System
  • the core network of the evolved network architecture includes a Mobility Management Entity (MME), a Serving GW, and a Home Subscriber Server (HSS).
  • MME Mobility Management Entity
  • HSS Home Subscriber Server
  • the MME is responsible for the mobility management of the control plane, including user context and mobility state management, assigning user temporary identity, etc., corresponding to current GPRS (General Packet Radio Service) / UMTS (Universal Mobile Telecommunication System) System)
  • the control plane part of the internal SGSN (Serving GPRS Support Node) of the system
  • the Serving GW is responsible for initiating paging for downlink data in idle state, managing and storing IP bearer parameters and routing information within the network, corresponding to the current GPRS / UMTS system internal SGSN and GGSN (Gateway GPRS Support Node) data plane part
  • HSS is used to store user subscription information.
  • the home base station Since the home base station has not been introduced into the E-UTRAN and has not been introduced into other networks (such as the UMTS network), the advantages of the home base station cannot be reflected in the communication network (such as the SAE/LTE network, the UMTS network), thus, Limit the development of home base stations. Summary of the invention
  • Embodiments of the present invention provide a communication system and method, a home base station gateway, and a home base station server to implement the introduction of a home base station in a communication system.
  • Embodiments of the present invention provide a communication system including a home base station, a third party network, and a home base station gateway.
  • the home base station is configured to communicate with the home base station gateway by using a first address, and determine the home base station in the third-party network according to the first address;
  • the third-party network is configured to connect the home base station and the home base station gateway; the home base station gateway is configured to enable the home base station to communicate with other nodes in the communication network by using a second address, according to the The two addresses determine the home base station in a communication network.
  • An embodiment of the present invention further provides a home base station gateway, including:
  • a storage unit including a first storage unit, configured to store a home base station user identifier, a first address, and a second address;
  • a receiving unit configured to receive a first data packet sent by the home base station to other nodes in the communication network, and/or a second data packet sent by the other node in the communication network to the home base station, where the first data packet is sent to the home base station
  • the uplink data packet of the other node; the second data packet is a downlink data packet sent by another node received by the home base station.
  • a processing unit configured to convert the first address into a second address according to the content stored by the storage unit and the address of the data packet received by the receiving unit, and convert the second address into a first address
  • a sending unit configured to send a data packet processed by the processing unit.
  • the embodiment of the present invention further provides a home base station server, including: a receiving unit, configured to receive an authentication information request message and a service request message, where the authentication information request message or the service request message includes a home base station user identifier;
  • a storage unit including a first storage unit, configured to store a home base station user identifier and a security context corresponding to the home base station user identifier;
  • the authentication unit is configured to authenticate the home base station according to the home base station user identifier received by the receiving unit and the security context corresponding to the home base station user identifier.
  • An embodiment of the present invention further provides a communication method, including:
  • the home base station and the home base station gateway communicate using the first address, and the first address is used to uniquely determine the home base station in the third party network;
  • the home base station gateway causes the home base station to communicate with other nodes in the communication network using a second address for uniquely determining a home base station in the communication network.
  • the embodiment of the present invention describes a case where a home base station accesses a communication system, and the role of the home base station can be fully utilized.
  • FIG. 1A is a schematic structural diagram of a SAE/LTE communication network according to Embodiment 1 of the present invention.
  • FIG. 1B is a schematic structural diagram of a UMTS communication network according to Embodiment 1 of the present invention
  • FIG. 2A is a diagram showing a home base station gateway according to Embodiment 1 of the present invention
  • FIG. 2B shows a home base station gateway according to Embodiment 1 of the present invention
  • FIG. 2C shows a home base station server according to Embodiment 1 of the present invention
  • FIG. 3 shows a communication method according to Embodiment 2 of the present invention
  • FIG. 4 is a diagram showing an authentication process of a home base station in Embodiment 4 of the present invention.
  • FIG. 5 shows a process of assigning an IP address (IP2) according to Embodiment 5 of the present invention
  • FIG. 7 is a flowchart showing a process of synchronizing a home base station with a home base station server according to Embodiment 7 of the present invention
  • FIG. 8 is a diagram showing a process of synchronizing a home base station server and a home base station according to Embodiment 7 of the present invention.
  • FIG. 9 is a diagram showing a protocol stack after a security association is established according to an embodiment of the present invention.
  • FIG. 10 shows a protocol stack of a control plane according to an embodiment of the present invention
  • FIG. 11 shows a protocol stack of a service control function according to an embodiment of the present invention
  • FIG. 12 is a diagram showing a network management function protocol stack when the Logic OAM mode is used in the embodiment of the present invention.
  • FIG. 13 is a diagram showing a network management function protocol stack in an ordinary manner of the embodiment of the present invention.
  • Figure 14 shows a user plane protocol stack in accordance with an embodiment of the present invention. detailed description
  • the communication system of the present invention is described by taking an SAE/LTE network as an example. System and method.
  • this embodiment provides an S AE/LTE communication system with a home base station.
  • This embodiment describes a communication system of the present invention, which includes a User Equipment (UE), a Home Base Station (HNB), a third party network, a Home Base Station Gateway (HNBGW), a Home Base Station Server, a Mobility Management Entity (MME), and A node such as a Serving GW, wherein the above-mentioned home base station server may be a separate entity in the network, or may be combined with a home subscriber server HSs in the network.
  • UE User Equipment
  • HNBGW Home Base Station Gateway
  • MME Mobility Management Entity
  • a node such as a Serving GW
  • the user equipment is configured to access the core network through the home base station and the home base station gateway to communicate with other network nodes.
  • the home base station is configured to communicate with a home base station gateway by using a first address (ie, IP1 hereinafter), according to which the home base station can be uniquely determined in a third-party network (such as the Internet).
  • the home base station is further configured to store a home base station user identifier (HNB ID), a security context (including a basic key, an authentication algorithm, an encryption algorithm, a digital certificate, and the like) and a user list, and provide air interface access.
  • HNB ID home base station user identifier
  • the function and the access restriction function are used to connect the user equipment to the home base station through a wireless link, and the access restriction function can be implemented by using an access restriction list, that is, a user list, that is, in the user list.
  • the listed users can access, and users in the user list are not allowed to access.
  • the link between the home base station and the home base station gateway may be provided by a third party, such as xDSL provided by a third party (xDSL is a collective term for DSL (Digital Subscriber Line), ie, digital subscriber line) line, Ethernet (Ethernet), etc. .
  • xDSL is a collective term for DSL (Digital Subscriber Line), ie, digital subscriber line) line, Ethernet (Ethernet), etc.
  • the home base station can be linked to the network node such as the MME, the serving gateway, the OAM, and the HSS through the home base station gateway.
  • the third-party network is used to connect a home base station and a home base station gateway, and the third-party network may be an Internet.
  • the home base station gateway is configured to enable the home base station to use the second address (ie, IP2 in the following) and other nodes in the communication network (eg, mobility management entity, service gateway, HSS) And communicating, according to which the home base station can be uniquely determined in the communication network. In this way, the home base station gateway can communicate with the other nodes in the communication network by the home base station through the first address and the second address.
  • An interface exists between the home base station gateway and the MME, the serving gateway, the home base station server, and the OAM, wherein the interface between the home base station gateway and the MME is mainly used to transmit some UE-related control information; between the home base station gateway and the serving gateway
  • the interface is mainly the data transmission of the user plane.
  • the interface between the home base station gateway and the home base station server is mainly that the home base station gateway needs to obtain some service control information about the home base station from the home base station server; the interface between the home base station gateway and the OAM Used to provide management functions for home base stations. Through these interfaces, the home base station gateway can implement management of the home base station.
  • the communication system and method, the home base station gateway, and the home base station server are also applicable to other communication systems.
  • an interface exists between the home base station gateway and the SGSN, the home base station server, and the OAM.
  • the interface between the home base station gateway and the SGSN is mainly used to transmit some UE-related control information and user plane.
  • the interface between the home base station gateway and the home base station server is mainly that the home base station gateway needs to obtain some service control information about the home base station from the home base station server; the interface between the home base station gateway and the OAM is used to provide management for the home base station.
  • the home base station gateway can implement management of the home base station.
  • the home base station gateway includes: a storage unit 11 that includes a first storage unit, configured to store a home base station user identifier, a first address, a second address, and a possible access restriction list, and the like.
  • the access restriction list is a user list;
  • the receiving unit 12 is configured to receive a first data packet sent by the home base station to other nodes in the communication network, and/or a second data packet sent by the other node in the communication network to the home base station, where the The source address of a data packet is the address of the home base station in the third-party network, that is, the first address, and the destination address of the second data packet is the address of the home base station in the communication network, that is, the second address;
  • the processing unit 14 is configured to: Converting the first address to a second address and converting the second address to a first address according to the content stored by the storage unit 11 and the address of the data packet received by the receiving unit 12; the sending unit 14, Used to send data packets processed by the processing unit
  • the processing unit 14 includes: a determining unit 141, configured to determine, received by the receiving unit a data packet; an obtaining unit 142, configured to: when the data packet determined by the determining unit 141 is a first data packet, obtain a second address according to the content stored by the storage unit 11 and the first address; when the determining When the data packet determined by the unit 141 is the second data packet, the first address is obtained according to the content stored by the storage unit 11 and the second address; the setting unit 143, and, as shown in FIG. 2B, the home base station gateway Also includes:
  • the initial access unit 15 is configured to connect the home base station to other nodes in the communication network after the home base station selects the home base station gateway according to a DNS (Domain Name System) of the home base station gateway or a fixed address.
  • DNS Domain Name System
  • the SCTP aggregation unit 16 is configured to link the SCTP between the home base station gateway and the home base station to the SCTP link between the home base station gateway and the MME.
  • the service control unit 17 is configured to perform corresponding management on the services of the home base station. For example, the mutual authentication between the network side and the home base station is implemented. For example, when the service request message of the home base station is received, the interaction and processing of the service request message between the network side and the home base station is implemented.
  • the service request message may be a user adding, modifying, deleting an access restriction list, etc., through the unit, the synchronization of the access restriction list between the network side and the home base station may be implemented.
  • the management unit 18 is configured to manage the home base station, and the management includes management by using a Logic OAM method or management by an ordinary manner.
  • the primary access unit 15, the SCTP aggregation unit 16, the service control unit 17, and the management unit 18 provide a function for the home base station gateway to manage the home base station.
  • the home base station server is configured to save a home base station user identifier, a subscription information corresponding to the home base station user identifier, a user list corresponding to the home base station user identifier, and a security context corresponding to the home base station user identifier (including a basic key, Weight algorithm, encryption algorithm, digital certificate, etc.).
  • the device identifier of the home base station and the vendor information, the home base station gateway address linked to the home base station, etc. when the home base station accesses the network, the home base station server needs to authenticate the home base station, in this case, the home base station
  • the server acts as a AAA Server.
  • the home base station server can be the same service as the server used to save the user subscription information in the original E-UTRAN network.
  • the home base station server includes: a receiving unit 21, configured to receive an authentication information request message, where the authentication information request message includes a home base station user identifier; and the storage unit 22 includes a first storage unit 221 And storing a home base station user identifier and a security context corresponding to the home base station user identifier, the second storage unit 222, configured to store subscription information of the home base station user, and a user list included in the user group, so that other network nodes use the The subscription information of the home base station user and the user list included in the user group control the communication of the home base station; the authentication unit 23 is configured to: according to the home base station user identifier received by the receiving unit and the home base station user identifier The base key authenticates the home base station; the first processing unit 24 and/or the second processing unit 25.
  • the first processing unit 24 is configured to modify the information stored by the second storage unit 222 (for example, modify a user list), and synchronize the modification result to the user list of the home base station.
  • the second processing unit 25 is configured to receive a service request message (eg, modify a user list request), and modify data stored by the second storage unit 222 according to the request.
  • the MME is configured to perform mobility management, authentication and key management of user equipment, encryption of signaling, integrity protection, management, and allocation of temporary mobile subscriber identity.
  • the MME is further configured to store a UE (User Equipment) control plane context, where the UE control plane context includes a UEID (User Equipment Identity), a User Equipment Status (including activation, standby), a tracking area where the user equipment is located, and the like.
  • UE User Equipment
  • the service gateway is responsible for user plane processing, and the user plane processing includes routing and forwarding of data, storing UE user plane context, user plane support when the home base station is switched, and downlink data triggering/initiating paging when LTE-IDLE.
  • the UE user plane context includes basic IP bearer information, routing information, and the like.
  • the OAM (operation, management, and maintenance entity) is mainly responsible for network management functions.
  • Embodiment 2
  • this embodiment describes the communication method of the present invention.
  • the communication of the present invention will be described below in accordance with the process of establishing a link between a home base station and a network and performing data transmission.
  • Step 31 After the home base station is powered on, obtain the first address (IP1) and pass the home The domain name of the base station gateway or other manner (for example, the address of the gateway is directly configured in the base station). The address of the home base station gateway is determined. After determining the address of the home base station gateway, the home base station can access the home base station gateway, according to the first address. The home base station is uniquely identified in the third party network.
  • Step 32 After the home base station accesses the home base station gateway, the home base station registers and authenticates with the network. After the authentication succeeds, a secure tunnel is established between the home base station gateway and the home base station.
  • Step 33 After the security tunnel is established, the DHCP (Dynamic Host Configuration Protocol) server allocates a second address (IP2) to the home base station, where the second address is an internal IP address of the communication network, and is in the communication network. The only one home base station is identified.
  • IP2 Dynamic Host Configuration Protocol
  • the above steps 32 and 33 can be combined in one step.
  • the authentication process and the secure tunnel establishment process in the foregoing steps 32 and 33 can be performed simultaneously, and the IP address allocation process and the secure tunnel establishment process can also be performed simultaneously.
  • the IP address allocation mode includes but is not limited to the DHCP method.
  • Step 34 Before starting the data transmission, each home base station can establish a limited SCTP (Stream Control Transmission Protocol) link with the home base station gateway, and a small amount of SCTP is also established between the home base station gateway and the MME. Linking, the home base station gateway can aggregate the SCTP link between the home base station gateway and the home base station into an SCTP link between the home base station gateway and the MME.
  • SCTP Stream Control Transmission Protocol
  • the network side can control the service of the network to the home base station through the home base station server, and complete the synchronization of the service information between the network side and the home base station.
  • the network side can also provide network management functions for the home base station through 0 AM.
  • This embodiment describes a process in which a home base station accesses a home base station gateway (step 31).
  • the third-party network such as the xDSL network in the Internet
  • IP1 IP1
  • the home base station can link with the home base station gateway, and the home base station determines the home base station gateway.
  • IP1 IP1
  • the domain name of the home base station gateway can be provided as a parameter in the BSIM (Base Station Identifier Module) card to the home base station.
  • BSIM Base Station Identifier Module
  • the domain name of the home base station gateway can be placed in the third party's DHCP server.
  • the DHCP server returns a DHCP response to the home base station, the domain name of the home base station gateway is sent to the home base station.
  • the home base station After obtaining the domain name of the home base station gateway, the home base station then uses the domain name to resolve the IP address of the home base station gateway through the domain name server, and accesses the home base station gateway through the IP address.
  • This embodiment describes an authentication process of a home base station (step 32). After the home base station accesses the home base station gateway, it also needs to register and authenticate to the core network to identify the legitimacy of the home base station. As shown in FIG. 4, the authentication process of the home base station will be described in detail below.
  • Step 41 After the home base station is powered on, send a registration request message (Register) to the home base station gateway, where the registration request message includes a home base station user identifier (HNB ID), so as to send the home base station user identifier to the home base station gateway, where
  • the home base station user identity is obtained by the user who uses the base station at the time of registration, and may be a BSIM ID (Home Base Station Identity) or a Home Base Station Device Identity.
  • Step 42 After obtaining the registration request message, the home base station gateway sets the home base station user identifier in the registration request message in the authentication information request message (AuthlnfoReq), and sends the authentication information request message to the home base station server.
  • the home base station gateway sets the home base station user identifier in the registration request message in the authentication information request message (AuthlnfoReq), and sends the authentication information request message to the home base station server.
  • Step 43 After receiving the authentication information request message, the home base station server finds the basic key corresponding to the HNB ID according to the HNB ID in the authentication information request message, and generates a random number, using the basic key and the random number as parameters. Performing an authentication algorithm to generate an authentication result (Resultl); at the same time, the home base station server may also generate a derived key according to the basic key, the random number, and a specific key generation algorithm, and then the home base station server sends the authentication to the home base station gateway.
  • An information response message (AuthlnfoResp), the authentication information response message including an authentication result (Resultl), a random number, and a derived key, so as to be used for the authentication result ( Resultl ), random number and derived key are sent to the home base station gateway.
  • Step 44 After receiving the authentication information response message, the home base station gateway sets the random number in the authentication information response message in an authentication request message (AuthChallenge), and sends the authentication request to the home base station.
  • AuthChallenge an authentication request message
  • Step 45 After receiving the authentication request, the home base station generates an authentication result (Result2) according to the random number in the authentication request and the basic key stored in the home base station, using the same authentication algorithm as in step 43. The key and the random number are generated using the same key generation algorithm as in step 43. Next, the home base station sets the authentication result (Result2) in the authentication response message, and sends the authentication response message to the home base station gateway.
  • the derived key generated in step 43 and step 45 can be used as a pre-shared key of IKE in IPSec, which is used to generate a security association (SA) in IPSec, and the derived key can also be used for transmission between the home base station and the network.
  • SA security association
  • Step 46 The home base station gateway compares the authentication result (Result2) with the authentication result (Resultl) transmitted by the home base station server. If the authentication fails, the authentication fails. Otherwise, the authentication succeeds, and the user who uses the home base station is legal. The user, the home base station gateway will send a registration confirmation message (RegisterAck) to the home base station.
  • Result2 the authentication result
  • Resultl the authentication result transmitted by the home base station server.
  • secure tunnel communication can be used between the home base station gateway and the home base station.
  • security tunnels such as IPSec security tunnels and L2TP (Layer 2 Tunneling Protocol) tunnels.
  • the secure tunnel is an IPSec secure tunnel.
  • IPSec requires a Security Association (SA), which can be dynamically established by using IKE (Internet Key Exchange) using pre-shared keys, digital signatures, or public key encryption.
  • SA Security Association
  • the home base station gateway After the IPSec secure tunnel is established between the home base station gateway and the home base station, the home base station gateway functions as a security gateway.
  • the control plane data transmission mode between the home base station and the home base station gateway will adopt the IPSec tunnel mode.
  • the destination IP address of the IP layer uses the IP address (IP2) assigned by the communication network to the home base station, and the data packet is first routed to the home base station gateway, and then the home base station gateway.
  • IP2 IP address assigned by the communication network to the home base station
  • the IP packet is encapsulated in IPSec as it is.
  • IP1 assigned to the home base station by the third-party network (for example, xDSL network) is used in the outer IP of the IPSec, and can be searched on the home base station gateway.
  • the home base station address mapping relationship obtains IP1 corresponding to IP2.
  • the internal IP address uses the IP address (IP2) assigned by the communication network to the home base station, and the external IP address is used by a third party.
  • IP1 assigned to the home base station.
  • Figure 9 shows the protocol stack after the security association is established.
  • the uppermost layer of the protocol stack is the application layer between the network node and the home base station. It can be any application layer protocol, and may be RANAP (Radio Access Network Application Part, wireless access).
  • the network application sub-) protocol is used for the MME to control the HNB, and may also be a user plane protocol; the transport layer below the application layer may be SCTP, UDP or other protocols; below the transport layer is the IP layer, the network node and the home base station gateway, and the home User data and signaling between the base station gateway and the home base station are routed through the IP layer.
  • the data packet between the home base station gateway and the home base station is encapsulated by IPSec and uses the IP address IP1 assigned by the third party to the home base station (IP1 corresponding to IP2 can be obtained by looking up the home base station address mapping relationship on the home base station gateway). ) as the outer IP of IPSec.
  • the lower two layers of the protocol stack, the network node and the home base station gateway, and the L1 and L2 layers between the home base station gateway and the home base station are physical layer and data link layer, and any technology capable of carrying the IP protocol can be used, for example, It is Ethernet, ATM or Token Ring.
  • This embodiment describes a process in which a communication network allocates an internal IP address to a home base station.
  • the DHCP server needs to allocate the internal IP address (IP2) of the communication network to the home base station.
  • IP2 IP address
  • other network nodes in the communication network can use the home base station as a node in the communication network to be routed by using the internal IP address (IP2), so that communication with the home base station can be conveniently performed.
  • the home base station gateway After the assignment of the internal IP address (IP2) of the home base station is completed, the home base station gateway has obtained the external IP address of the home base station (IP1, and the third party assigns the home base station) IP address), home base station internal IP address (IP2) and home base station user ID (HNB ID), the home base station gateway needs to establish a home base station user identification HNB ID, home base station external IP address (IP1) and home base station A home base station address mapping relationship table between internal IP addresses (IP2), such that when the home base station gateway and the home base station perform user data and signaling routing through the IP layer, the home base station gateway can use the home base station address mapping relationship.
  • IP2 home base station address mapping relationship table between internal IP addresses (IP2), such that when the home base station gateway and the home base station perform user data and signaling routing through the IP layer, the home base station gateway can use the home base station address mapping relationship.
  • IP2 home base station address mapping relationship table between internal IP addresses (IP2), such that when the home base station gateway and the home
  • the DHCP server that allocates the home base station internal IP address (IP2) may be placed on the home base station gateway or may be a separate network node; when the DHCP server is a separate network node, the home base station gateway needs to assume DHCP. Relay (DHCP relay) function. After the DHCP server assigns an IP address (IP2) to the home base station, the IP address (IP2) is sent to the home base station.
  • IP2 IP address
  • IP3 IP address
  • the IP address of the OAM server needs to be sent to the home base station.
  • Logic OAM Logical Network Management
  • Fig. 5 shows the process of assigning an IP address (IP2), and the process of assigning an IP address (IP2) will be described below with reference to FIG.
  • Step 51 The home base station sends an address service request message to the DHCP server of the user plane, requesting obtaining an IP address (IP2) in the communication network, where the address service request message includes the home base station user identifier; if the home base station and the DHCP server are not located On the same network segment, the home base station gateway needs to assume the function of relaying, and forwards the message to the DHCP server;
  • IP2 IP address
  • Step 52 After receiving the address service request message of the home base station, the DHCP server allocates an IP address (IP2) to the home base station according to the identity of the home base station itself.
  • IP2 IP address
  • Step 53 DHCP sends an address service response message to the home base station, where the address service The response message contains the IP address (IP2) of the home base station.
  • IP2 IP address
  • Fig. 6 shows the process of assigning the IP address (IP3) of the network management plane, and the process of assigning the IP address (IP3) of the network management plane will be described below with reference to FIG.
  • Step 61 The home base station sends an address service request message to the DHCP server on the network management plane, requesting to obtain an IP address of the network management plane, where the address service request message includes the home base station user identifier; if the home base station is not in the same network segment as the DHCP server , the home base station gateway needs to assume the function of the DHCP relay, and forwards the message to the DHCP server;
  • Step 62 After receiving the address service request message of the home base station, the DHCP server allocates the IP address IP3 of the user plane to the home base station according to the identifier of the home base station, and determines the address of the OAM.
  • Step 63 The DHCP returns a home base station address service response message, where the address service response message includes an IP address (IP3) of the home base station and an address of the OAM server.
  • IP3 IP address of the home base station
  • OAM server an address of the OAM server.
  • This embodiment describes the S C TP link aggregation function of the home base station gateway (see step 34).
  • the method of establishing has the following three steps:
  • Each home base station can establish a limited SCTP link with the home base station gateway, such as four SCTP links.
  • a small number of SCTP links are also established between the home base station gateway and the MME. Since there are a large number of home base stations under the home base station gateway, the home base station gateway needs to aggregate all the SCTPs to the home base stations to between the small number and the MME. Go to the SCTP link.
  • the home base station gateway needs to transfer the SCTP of a certain home base station to a different MME.
  • the destination IP address of the data packet is the IP address of the home base station gateway, and the identifier of the destination home base station is carried in the packet header of the data packet, where the home base station
  • the user ID can be identified by the PPI (Postload Protocol Identifier) in the SCTP header.
  • the home base station gateway is handed over to the SCTP layer, and the SCTP parses the SCTP Service Data Unit (SCTP Service Data Unit), and then re-encapsulates the SCTP SDU into an SCTP link of a home base station.
  • SCTP Service Data Unit SCTP Service Data Unit
  • the home base station gateway determines to forward the data packet to the home base station according to the home base station user identifier in the SCTP packet header, and then finds the identifier of the SCTP link of the home base station, etc., encapsulates the SCTP SDU, and then adds the home base station.
  • the IP address, and then the IP packet is encapsulated in IPSec and sent to the home base station.
  • the home base station may be connected to multiple MMEs.
  • an MME can be selected according to the load condition of the MME, and there are two options:
  • the home base station selects the MME, and after the home base station selects the MME, the home base station gateway is notified of the result of the selection, and the home base station gateway transfers the corresponding SCTP link to the corresponding MME according to the MME selected by the home base station; For this case, the home base station needs to know the load information of each MME and select the corresponding MME accordingly.
  • the interaction of the load information between the MME and the home base station can be performed through the RANAP layer.
  • the home base station gateway selects the MME, and the home base station gateway can select the corresponding MME according to the load information of the MME.
  • the home base station may be based on the TMSI (Temporary Mobile Subscriber Identity) of the UE. ) to choose MME.
  • the selected MME is notified to the home base station gateway, so that the home base station gateway transfers the SCTP link of the home base station to the home base station gateway to the SCTP of the MME; similarly, the home base station and the Home base station gateway
  • the identifier of the target MME is carried in the SCTP packet header to provide a home base station gateway selection; the identifier can be placed in the PPI of the SCTP packet header to be sent to the home base station gateway.
  • Figure 10 shows the protocol stack of the control plane when the SCTP is aggregated.
  • the upper layer of the protocol stack is the application layer between the MME and the home base station, which may be the RANAP protocol or the S1AP protocol, and is used by the MME to control the HNB.
  • the application layer is carried on the SCTP, the SCTP layer is divided into two segments, a SCTP between the MME and the home base station gateway, and another SCTP between the home base station gateway and the home base station, and the two SCTPs are in the home base station gateway.
  • Below the SCTP layer is the IP layer. User data and signaling between the MME and the home base station gateway and the home base station gateway and the home base station are routed through the IP layer.
  • the data packet between the home base station gateway and the home base station is encapsulated by IPSec and uses the IP address IP1 assigned by the third party to the home base station (IP1 corresponding to IP2 can be obtained by looking up the home base station address mapping relationship on the home base station gateway). ) as the outer IP of IPSec.
  • IP1 corresponding to IP2 can be obtained by looking up the home base station address mapping relationship on the home base station gateway).
  • the lowermost two layers of the protocol stack, the MME and the home base station gateway, and the L1 and L2 layers between the home base station gateway and the home base station are physical layer and data link layer, and any technology capable of carrying the IP protocol can be used, for example, Ethernet, ATM or Token Ring.
  • the home base station gateway is transparent to the application layer of the control plane, which can reduce the complexity of the home base station gateway processing and the processing delay of the Fallier.
  • This embodiment describes a service control function.
  • the home base station is a network node, and the network side may need to manage its services accordingly, such as managing the list of users allowed to access on the home base station or the location information of the user. If a list of users allowed to access is set on the home base station, these service lists need to be synchronized to the network. In turn, some network parameters may be set on the network side, and these service parameters also need to be transmitted to the home base station. From this perspective, there is a network control function for the home base station.
  • the home base station server can serve as a service control node of the home base station, and all related service information of the home base station is stored thereon, and the network can control the home base station through an interface between the home base station server and the home base station gateway.
  • An application layer protocol needs to be established between the gateway and the home base station for the home base station gateway to control the home base station.
  • the Application layer can be carried on the TCP or on the SCTP. Considering that there is an SCTP link between the home base station gateway and the home base station, the Application bearer is better on the SCTP.
  • Figure 11 shows the protocol stack of the service control function.
  • the uppermost layer of the protocol stack is the application layer, which is used for the home base station server to control the home base station through the home base station gateway.
  • the application layer protocol between the home base station server and the home base station gateway may use a MAP (Mobile Application Part) protocol or other possible protocols for the home base station server to control the home base station gateway; at the home base station gateway and the home
  • the application layer protocol between the base stations may be a RANAP protocol for the home base station gateway to control the home base station.
  • the transport layer protocol between the home base station server and the home base station gateway below the application layer may be SCTP or SCCP, and the transport layer protocol between the home base station gateway and the home base station may be SCTP or TCP.
  • Below the transport layer is the IP layer.
  • IP1 IP1 corresponding to IP2 can be obtained by looking up the home base station address mapping relationship on the home base station gateway) ) as the outer IP of IPSec.
  • IP1 IP1 corresponding to IP2 can be obtained by looking up the home base station address mapping relationship on the home base station gateway) ) as the outer IP of IPSec.
  • the lowermost two layers of the protocol stack, the home base station server node and the home base station gateway, and the L1 and L2 layers between the home base station gateway and the home base station are physical layer and data link layer, and any technology capable of carrying the IP protocol can be used. For example, it can be Ethernet, ATM or Token Ring.
  • the following describes the synchronization process of the user access list as an embodiment of the service control function.
  • the home base station server After the user access list of the home base station is modified, it needs to be synchronized to the home base station server, so that the home base station server adjusts the charging policy for these users. As shown in FIG. 7, the following describes the process of synchronizing the access list of the home base station and the home base station server.
  • Step 71 The home base station sends a user list modification request message to the home base station gateway, where
  • the user list modification request message includes operation parameters (such as addition, deletion), the addition is to add a user to the user list, and the deletion is to delete the user from the user list.
  • Step 72 After receiving the user list modification request message, the home base station gateway sends the user list modification request message to the home base station server.
  • Step 73 The home base station server modifies the request message according to the received user list, adds a user to the user list according to the operation parameter, or deletes the user from the list, and sends a modify user list response message to the home base station gateway.
  • Step 74 The home base station gateway sends a modify user list response message to the home base station, and after receiving the message, the home base station allows or restricts some users from accessing the home base station.
  • the user access list on the home base station server may be modified first. After the user access list of the home base station in the home base station server is modified, it needs to be synchronized to the home base station, so that the home base station server adjusts the charging policy for these users. As shown in Fig. 8, the following describes the process of synchronizing the home base station server with the home base station.
  • Step 81 The home base station server sends a user list modification request message to the home base station gateway, where the user list modification request message includes operation parameters (such as adding, deleting), and the adding is adding a user to the user list, and the deleting is The user is deleted from the user list.
  • operation parameters such as adding, deleting
  • Step 82 After receiving the user list modification request message, the home base station gateway sends the user list modification request message to the home base station.
  • Step 83 The home base station modifies the request message according to the received user list, adds a user to the user list according to the operation parameter, or deletes the user from the list, and sends a modify user list response message to the home base station gateway.
  • Step 84 The home base station gateway sends a modify user list response message to the home base station server, and after receiving the message, the home base station server allows or restricts some users from accessing the home base station.
  • This embodiment describes the network management control function.
  • Network management functions There are two ways to manage the network:
  • OAM actually only has an interface with the home base station gateway, and uses Logic OAM between the home base station gateway and the home base station.
  • the application layer can be reused with the application layer of the service control function; considering that the interface between the home base station and the OAM may be open, the interface between the OAM and the home base station gateway may be open.
  • Figure 12 shows the network management function protocol stack when using the Logic OAM mode.
  • the uppermost layer of the protocol stack is the application layer, which is used by OAM to control the home base station through the home base station gateway.
  • the transport layer protocol between the home base station gateway and the home base station may be SCTP or TCP.
  • Below the transport layer is the IP layer.
  • User data and signaling between the OAM and the home base station gateway and the home base station gateway and the home base station are routed through the IP layer.
  • the data packet between the home base station gateway and the home base station is encapsulated by IPSec and uses the IP address IP1 assigned by the third party to the home base station (IP1 corresponding to IP2 can be obtained by looking up the home base station address mapping relationship on the home base station gateway).
  • the lower two layers of the protocol stack, the L1 and L2 layers between the OAM and the home base station gateway, and the home base station gateway and the home base station are the physical layer and the data link layer, and any technology capable of carrying the IP protocol can be used, for example, Ethernet, ATM or Token Ring.
  • the home base station gateway only provides the function of the security gateway at this time; the structure of the protocol stack is as shown in FIG.
  • Figure 13 shows the network management function protocol stack when the normal mode is used.
  • the protocol stack structure there is a direct application layer and a transport layer between the OAM and the home base station, and the OAM directly controls the home base station.
  • the IP layer Below the transport layer is the IP layer.
  • the data packet between the home base station gateway and the home base station is encapsulated by IPSec and uses the IP address IP1 assigned by the third party to the home base station (IP1 corresponding to IP2 can be obtained by looking up the home base station address mapping relationship on the home base station gateway).
  • M ⁇ is the outer IP of IPSec.
  • the bottom two layers of this protocol stack OAM and home base station gateways and home base
  • the L1 and L2 layers between the station gateway and the home base station are physical layer and data link layer, and any technology capable of carrying the IP protocol can be used, for example, Ethernet, ATM or Token Ring.
  • This embodiment provides a user plane function.
  • the home base station gateway is just a security gateway.
  • the serving gateway uses the IP address (IP2) of the home base station and the TEID (Tunnel End Point Identifier) assigned by the home base station to establish a downlink bearer, and the home base station uses the IP address and service of the serving gateway.
  • IP2 IP2
  • TEID Traffic End Point Identifier
  • the TEID assigned by the gateway establishes an uplink bearer. That is to say, the home base station gateway does not participate in any tunnel establishment, release, and modification work.
  • the GTP-U (User Plane GPRS Tunneling Protocol) data packet is a transparent data packet for the home base station gateway, so that for the user plane, A home base station gateway is equivalent to a router. The advantage of this is that there are fewer intermediate nodes and less latency.
  • Figure 14 shows the user plane protocol stack.
  • the top three layers of the protocol stack (application layer, TCP/UDP layer and IP layer) are peer-to-peer protocols between the UE and the network server, and encapsulate the packets of the UE.
  • the GTP-U layer is a peer-to-peer protocol between the serving gateway and the home base station, and is used for establishing a tunnel between the serving gateway and the home base station to transmit the upper layer packet data, and the GTP-U is implemented by the lower layer UDP protocol.
  • the IP layer below the UDP layer is used to route user data between the serving gateway and the home base station gateway and the home base station gateway and the home base station.
  • the data packet between the home base station gateway and the home base station is encapsulated by IPSec and uses the IP address (IP1) assigned by the third-party network protocol to the home base station as the outer IP of the IPSec.
  • IP1 IP address assigned by the third-party network protocol to the home base station as the outer IP of the IPSec.
  • the lower two layers of the protocol stack, the service gateway and the home base station gateway, and the LI and L2 layers between the home base station gateway and the home base station are the physical layer and the data link layer, and any technology capable of carrying the IP protocol can be used, for example, It is Ethernet, ATM or Token Ring.
  • the home base station can be accessed into SAE/LTE.
  • the home base station can also access other networks (such as a UMTS network), so that the role of the home base station can be fully utilized.
  • the home base station gateway and the communication method described in the embodiments of the present invention can be applied to other communication systems in addition to the SAE/LTE system. Such as UMTS, CDMA, etc.
  • Non-volatile storage medium which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.
  • a computer device may It is a personal computer, a server, or a network device, etc. that performs the methods described in various embodiments of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un système et un procédé de communication, une passerelle de station de base domestique et un serveur de station de base domestique, et le problème d'après lequel la station de base domestique n'est pas conduite dans un système de communication actuel est résolu. Le système de communication comprend une station de base domestique, un réseau de tiers et une passerelle de station de base domestique. La station de base domestique est utilisée pour communiquer avec la passerelle de station de base domestique à l'aide d'une première adresse, et la première adresse est utilisée pour déterminer la station de base domestique dans le réseau de tiers uniquement ; le réseau de tiers est utilisé pour se connecter à la station de base domestique et à la passerelle de station de base domestique ; la passerelle de station de base domestique est utilisée pour amener la station de base domestique à communiquer avec d'autres nœuds dans le système de communication à l'aide d'une seconde adresse, et la seconde adresse est utilisée pour déterminer la station de base domestique dans le système de communication uniquement. Le schéma décrit une situation d'après laquelle une station de base domestique accède à un réseau de données par paquet, et peut effectuer une utilisation suffisante de la station de base domestique.
PCT/CN2008/071211 2007-06-05 2008-06-05 Système et procédé de communication, passerelle de station de base domestique et serveur de station de base domestique WO2008148357A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710112323.X 2007-06-05
CN200710112323XA CN101321383B (zh) 2007-06-05 2007-06-05 一种通信系统和方法、家用基站网关及归属用户服务器

Publications (1)

Publication Number Publication Date
WO2008148357A1 true WO2008148357A1 (fr) 2008-12-11

Family

ID=40093200

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/071211 WO2008148357A1 (fr) 2007-06-05 2008-06-05 Système et procédé de communication, passerelle de station de base domestique et serveur de station de base domestique

Country Status (2)

Country Link
CN (1) CN101321383B (fr)
WO (1) WO2008148357A1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101784133B (zh) * 2009-01-20 2012-07-18 中国移动通信集团上海有限公司 家庭基站信息提供方法、家庭基站网关设备
CN101790221B (zh) * 2009-01-22 2015-05-06 中兴通讯股份有限公司 家用基站切换时网络接入控制方法及系统
CN102077523B (zh) * 2009-02-27 2013-02-27 华为技术有限公司 无线回程ip地址配置方法及装置
CN101841841B (zh) * 2009-03-16 2012-07-25 中国移动通信集团公司 Hnb和hnb gw之间链路质量的监测方法及系统
US9883448B2 (en) 2009-04-23 2018-01-30 Nec Corporation Wireless communication system in which NodeB broadcasts identification information on relay apparatus
CN101730186B (zh) * 2009-04-28 2012-10-10 中兴通讯股份有限公司 用户接入模式的上报方法及家用基站网关
CN101730187A (zh) * 2009-05-13 2010-06-09 中兴通讯股份有限公司 一种实现家用基站本地访问控制的方法及系统
CN101730007A (zh) * 2009-05-19 2010-06-09 中兴通讯股份有限公司 家用基站网关转发消息至家用基站的方法及系统
BRPI0924588B1 (pt) * 2009-05-21 2021-11-30 Huawei Technologies Co., Ltd Método para configurar funções de nó b doméstico, nó b doméstico e sistema de comunicação
TWI424778B (zh) 2009-06-23 2014-01-21 Inst Information Industry 中繼台及其後端連線方法
CN101938736A (zh) * 2009-06-30 2011-01-05 中兴通讯股份有限公司 家庭基站本地网际协议网络访问能力的上报方法及系统
CN101588580A (zh) * 2009-06-30 2009-11-25 华为技术有限公司 一种用户接入控制方法、家庭基站网关及系统
CN102026312A (zh) * 2009-09-15 2011-04-20 中兴通讯股份有限公司 一种路由映射关系的获取方法和装置
CN101699885B (zh) * 2009-10-28 2012-08-29 华为技术有限公司 服务网关的配置、查询方法、装置和系统
CN102065565B (zh) * 2009-11-11 2015-04-01 中兴通讯股份有限公司 建立家庭基站间直接接口所需信息的上报方法及家庭基站
CN102149067B (zh) * 2010-02-09 2015-04-01 中兴通讯股份有限公司 对本地ip数据进行管理的方法及移动通信系统
CN102196435B (zh) * 2010-03-11 2016-06-15 中兴通讯股份有限公司 家庭基站接入到接入网关的方法及系统
CN102202378B (zh) * 2010-03-23 2015-07-22 中兴通讯股份有限公司 增强接口支持本地访问的用户消息发送方法、装置及系统
CN102316530B (zh) * 2010-07-09 2016-08-03 中兴通讯股份有限公司 家用基站接入的控制方法及系统
CN102316534B (zh) * 2010-07-09 2016-03-02 中兴通讯股份有限公司 家用基站接入的控制方法及系统
CN102387490B (zh) * 2010-09-03 2015-08-12 中兴通讯股份有限公司 一种查询本地网关的方法和系统
CN102404823B (zh) * 2010-09-16 2016-03-30 中兴通讯股份有限公司 标识终极接入节点的方法及系统
CN102571524B (zh) * 2012-02-10 2015-01-07 浙江宇视科技有限公司 Ip监控系统中穿越、协助穿越网络隔离设备的方法和节点
CN103391544B (zh) * 2012-05-10 2017-04-26 华为技术有限公司 基站接入控制方法、相应的装置以及系统
EP3002931B1 (fr) 2013-06-26 2019-08-28 Huawei Technologies Co., Ltd. Système et procédé d'attribution d'adresse ip
CN103501202B (zh) * 2013-10-28 2016-08-17 中国人民解放军91388部队 基于水下目标定位跟踪的无线网络通信系统及方法
CN108307391B (zh) * 2016-09-22 2020-10-09 大唐移动通信设备有限公司 一种终端接入方法和系统
CN112040423A (zh) * 2019-06-03 2020-12-04 普天信息技术有限公司 一种融合核心网络和宽窄带融合业务的实现方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1930865A (zh) * 2004-03-12 2007-03-14 日本电气株式会社 通信收费系统、超小型无线基站、通信收费方法和程序
EP1786222A1 (fr) * 2005-11-15 2007-05-16 Nortel Networks Limited Réseau d'accès, passerelle et serveur de gestion pour un système cellulaire de communication mobile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100414933B1 (ko) * 1999-01-26 2004-01-13 삼성전자주식회사 이동통신 시스템에서 홈-존 서비스를 위한 핸드오프 제어방법
DE202005021930U1 (de) * 2005-08-01 2011-08-08 Corning Cable Systems Llc Faseroptische Auskoppelkabel und vorverbundene Baugruppen mit Toning-Teilen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1930865A (zh) * 2004-03-12 2007-03-14 日本电气株式会社 通信收费系统、超小型无线基站、通信收费方法和程序
EP1786222A1 (fr) * 2005-11-15 2007-05-16 Nortel Networks Limited Réseau d'accès, passerelle et serveur de gestion pour un système cellulaire de communication mobile

Also Published As

Publication number Publication date
CN101321383B (zh) 2012-07-11
CN101321383A (zh) 2008-12-10

Similar Documents

Publication Publication Date Title
WO2008148357A1 (fr) Système et procédé de communication, passerelle de station de base domestique et serveur de station de base domestique
US11979798B2 (en) Session establishment to join a group communication
EP1881660B1 (fr) Procédé, appareil et système pour accès sans fil
RU2518186C2 (ru) Обработка трафика локального непосредственного соединенения в домашней базовой станции
US9112909B2 (en) User and device authentication in broadband networks
JP5578580B2 (ja) 移動通信システムにおけるローカルデバイスアクセスの管理装置
CN115695324A (zh) 基于控制面的时间敏感网络配置
WO2004077754A1 (fr) Service d'interconnexion de reseau local sans fil, systeme de gestion d'adresses et procede
JP5192047B2 (ja) 通信制御システム、通信システム、及び通信制御方法
WO2013097641A1 (fr) Procédé, entité et système de réalisation d'un service en grappe
EP2475142A1 (fr) Procédé et système d'acquisition de stratégies d itinéraire
WO2011048768A1 (fr) Système de communication, équipement d'utilisateur et nœud de communication
WO2009129707A1 (fr) Procédé, appareil et système de communication pour envoyer et recevoir des informations entre réseaux locaux
WO2010015188A1 (fr) Procédé, dispositif et système pour accéder à un cœur de réseau mobile de points d'accès
WO2008009227A1 (fr) Procédé destiné à un terminal utilisateur accédant à un système de télécommunication, et système de télécommunication correspondant
US8813195B2 (en) Method and apparatus for authenticating a user equipment
JPWO2017056201A1 (ja) 移動体通信システムのゲートウェイの制御装置
WO2014101755A1 (fr) Procédé et système de dérivation de données de service
US20180027478A1 (en) A device and a method for controlling an ip core network
WO2012088882A1 (fr) Procédé et système pour la transmission de données, et passerelle d'accès
WO2011050676A1 (fr) Procédé de communication anonyme, procédé d'enregistrement et d'annulation, et noeud d'accès
WO2009140902A1 (fr) Procédé, système et femtopasserelle pour mettre en œuvre une communication entre un réseau à femtocellules et un macroréseau
WO2011032417A1 (fr) Procédé et système de déclenchement d'acheminement de message de communication, d'informations et de données et de configuration de routage
WO2016078375A1 (fr) Procédé et dispositif de transmission de données
WO2018188482A1 (fr) Procédé et appareil d'établissement de connexion

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08757622

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08757622

Country of ref document: EP

Kind code of ref document: A1