WO2019000403A1 - 通信设备及通信方法 - Google Patents

通信设备及通信方法 Download PDF

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Publication number
WO2019000403A1
WO2019000403A1 PCT/CN2017/091124 CN2017091124W WO2019000403A1 WO 2019000403 A1 WO2019000403 A1 WO 2019000403A1 CN 2017091124 W CN2017091124 W CN 2017091124W WO 2019000403 A1 WO2019000403 A1 WO 2019000403A1
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WO
WIPO (PCT)
Prior art keywords
terminal
mlan
base station
identifier
receiver
Prior art date
Application number
PCT/CN2017/091124
Other languages
English (en)
French (fr)
Inventor
罗静
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2019572583A priority Critical patent/JP2020526131A/ja
Priority to CN201780091096.9A priority patent/CN110663261B/zh
Priority to PCT/CN2017/091124 priority patent/WO2019000403A1/zh
Priority to EP17915490.1A priority patent/EP3637817B1/en
Publication of WO2019000403A1 publication Critical patent/WO2019000403A1/zh
Priority to US16/728,694 priority patent/US20200137726A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/082—Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • the present application relates to the field of communications, and in particular, to a communication device and a communication method.
  • the local access network (LAN) service is a very popular local area network service. It is mainly used in enterprise office scenarios. The current LAN is deployed based on fixed wired mode. In the scenario where the mobile terminal communicates over the wireless network, the LAN cannot be established between the mobile terminals.
  • the present application provides a mobile local access network device and a communication method, and aims to solve the problem of how to perform LAN communication based on a wireless network.
  • a first aspect of the present application provides a communication method, including: receiving data sent by a terminal through a base station, where the data includes an identifier of a receiver and information to be sent, where the receiver and the terminal are in mobile local access.
  • the MLAN is a local access network established based on a wireless cellular network.
  • sending the information to be sent to the receiver by using the base station according to the MLAN address corresponding to the identifier of the receiver. It can be seen that the wireless network-based LAN can realize data communication between the terminal and the receiver without relying on the wired method, so that cost can be saved.
  • a second aspect of the present application provides a communication device comprising: a receiver and a transmitter.
  • the receiver is configured to receive data sent by the terminal through the base station, where the data includes an identifier of the receiver and the information to be sent, the receiver and the terminal are in a mobile local access network MLAN, and the MLAN is based on a wireless cellular network. Established local access network.
  • the transmitter is configured to send the information to be sent to the receiver by using the base station according to an MLAN address corresponding to the identifier of the receiver.
  • a third aspect of the present application provides a communication device, including: a local offload module and an MLAN forwarding processing module.
  • the local offloading module is configured to receive data sent by the terminal through the base station, where the data includes an identifier of the receiver and the information to be sent, where the receiver and the terminal are in a mobile local access network MLAN, and the MLAN is based on wireless Local access network established by the cellular network.
  • the MLAN forwarding processing module is configured to query the MLAN address corresponding to the identifier of the receiver, and send the information to be sent to the receiver through the base station according to the MLAN address corresponding to the identifier of the receiver.
  • the communication device further includes an MLAN controller and an MLAN authentication and authorization module.
  • the MLAN controller is configured to allocate an MLAN address to the terminal, and optionally, to allocate a tunnel to the terminal.
  • the MLAN controller is also used to release the MLAN address and/or tunnel.
  • the MLAN authentication and authorization module is used to authenticate whether the terminal is legal.
  • the communication device is disposed in the MEC module, or is disposed in the base station, or As an independent network element, it is set in the network.
  • the process of establishing the MLAN includes: receiving an identifier of the terminal sent by the terminal by using a base station. Assigning, to the terminal, an MLAN address corresponding to the identity of the terminal.
  • the process of establishing the MLAN further includes: assigning, to the terminal, a tunnel corresponding to an identifier of the terminal. And transmitting, by the base station, information about the tunnel to the terminal.
  • the data sent by the receiving terminal by the base station includes: receiving data encapsulated in the tunnel sent by the terminal by using the base station. Using a tunnel to send data can improve data security.
  • the allocating the MLAN address corresponding to the identifier of the terminal to the terminal includes: assigning, by the terminal, the terminal to the terminal if the terminal is determined to be legal by the identifier of the terminal
  • the identifier corresponds to the MLAN address.
  • the allocating a tunnel corresponding to the identifier of the terminal to the terminal includes: assigning, by the identifier of the terminal, the MLAN address corresponding to the identifier of the terminal, in the case that the terminal is determined to be legal by the identifier of the terminal.
  • the method further includes: receiving information of the target base station after the terminal handover, where the information of the target base station is sent by the target base station when the terminal switches from the source base station to the target base station And sending the information to be sent to the base station used by the receiver, and updating from the source base station to the target base station. Therefore, it can be ensured that the terminal can be normally communicated based on the MLAN network after the handover occurs.
  • a fourth aspect of the present application provides a communication method, including: transmitting, by a base station, an identifier of the terminal, where the identifier of the terminal is used to acquire an MLAN address, where the MLAN address is used in a mobile local access network MLAN
  • the device communicates, and the MLAN is a local access network established based on a wireless cellular network.
  • transmitting, by the base station, the data includes an identifier of the receiver and information to be sent, where the receiver and the terminal are in the MLAN. It can be seen that the terminal can actively trigger the acquisition of the MLAN address, and achieve the purpose of communicating with other devices through the MLAN.
  • a fifth aspect of the present application provides a terminal, including: a transmitter.
  • the transmitter is configured to send an identifier of the terminal by using a base station, where the identifier of the terminal is used to acquire an MLAN address, where the MLAN address is used to communicate with a device in a mobile local access network MLAN, where the MLAN is based on a wireless cellular
  • the local access network established by the network transmits data through the base station, the data includes an identifier of the receiver and information to be sent, and the receiver and the terminal are in the MLAN.
  • a sixth aspect of the present application provides a terminal, including: a sending module, configured to send, by using a base station, an identifier of the terminal, where the identifier of the terminal is used to obtain an MLAN address, where the MLAN address is used for mobile local access Device communication in a network MLAN, which is a local access network established based on a wireless cellular network, and transmits data through the base station, the data including an identifier of a receiver and information to be sent, the receiver and the The terminal is in the MLAN.
  • a sending module configured to send, by using a base station, an identifier of the terminal, where the identifier of the terminal is used to obtain an MLAN address, where the MLAN address is used for mobile local access Device communication in a network MLAN, which is a local access network established based on a wireless cellular network, and transmits data through the base station, the data including an identifier of a receiver and information to be sent, the receiver and the The terminal is in the MLAN.
  • the method further includes: sending, by the base station, a release MLAN request, where the release MLAN request is used by the MLAN to release an MLAN address and/or a tunnel corresponding to the identifier of the terminal.
  • a seventh aspect of the present application provides a system chip, the system chip comprising: at least one processor, a memory, an interface circuit, and a bus.
  • the at least one processor, the memory, and the interface circuit are coupled by the bus Hehe.
  • the system chip can be applied to the communication device described above, and interacts with the communication device through the interface circuit.
  • the memory stores program instructions, and the at least one processor invokes the program instructions stored in the memory to perform operations of the illustrated communication device.
  • the system chip may apply the foregoing terminal, and interact with the terminal through the interface circuit.
  • the memory stores program instructions, and the at least one processor calls the program instructions stored in the memory to perform operations of the terminal.
  • An eighth aspect of the present application provides a system computer storage medium having stored therein program instructions for performing operations of the communication device or terminal when the program instructions are run on a computer.
  • a ninth aspect of the present application provides a computer program product comprising program instructions that, when invoked, perform an operation of the communication device or terminal.
  • Figure 1 is a basic architecture diagram of a wireless network
  • FIG. 2 is a schematic diagram of performing LAN communication with a terminal of a communication device according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for constructing an MLAN and a communication method based on an MLAN according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a terminal switching from one base station to another in an MLAN scenario
  • FIG. 5 is a schematic diagram of a handover process of a communication device according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of still another method for constructing an MLAN by using a terminal and an MLAN to communicate with the MLAN according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a communication device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the network side includes a mobile edge computing (MEC) module, an evolved packet core (EPC) module, and a base station.
  • MEC mobile edge computing
  • EPC evolved packet core
  • the MEC module is used to implement local service offload forwarding, which is implemented by a service outflow (BO) submodule.
  • BO service outflow
  • the EPC module is used to implement wireless network access management.
  • Each mobile terminal communicates with the network side through the base station.
  • the embodiment of the present application discloses a communication device.
  • the LAN based on the wireless network is hereinafter referred to as a mobile local access network. , MLAN).
  • the communication device disclosed in the present application includes a local break out (LBO) module, an MLAN controller, an MLAN authentication and authorization module, and an MLAN forwarding processing module.
  • LBO local break out
  • MLAN controller an MLAN controller
  • MLAN authentication and authorization module an MLAN forwarding processing module.
  • MLAN forwarding processing module an MLAN forwarding processing module.
  • the advantage of the communication device being set in the MEC module is that since the MEC module is close to the base station in the existing network architecture, it may also be disposed in the base station. Therefore, when the communication device is set in the MEC module, the MLAN-based data forwarding can be reduced. Therefore, the MLAN device can use the BO submodule of the EPC module as a local shunt module, so that cost can be saved.
  • the communication device can also be deployed in other devices close to the base station or deployed in the base station.
  • FIG. 3 is a communication method for constructing an MLAN and a MLAN based communication between the terminal and the communication device shown in FIG. 2, including the following steps:
  • S301 Establish an S1-U link between the terminal and the EPC module.
  • the terminal sends an S1-U link setup request to the EPC module by using the base station, and the EPC module sends an S1-U link setup response to the terminal by using the base station.
  • S302 The terminal sends a tunnel establishment request to the LBO module by using the base station.
  • the tunnel establishment request includes the identity of the terminal.
  • the tunnel establishment request can be generated according to the user datagram protocol (UDP).
  • UDP user datagram protocol
  • Tunneling is a way to transfer data between networks using the infrastructure of a public network.
  • the data transmitted using the tunneling technology may be data packets encapsulated using different protocols, and the tunneling protocol re-encrypts and encapsulates the data packets encapsulated by these other protocols in a new header.
  • the new header provides routing information so that newly encapsulated packets can be routed through the public internetwork between the two endpoints of the tunnel.
  • the logical path that an encapsulated packet passes when it is passed over a public network is called a tunnel.
  • the protocol adopted by the tunnel technology may be a general route encapsulation (GRE) or a GPRS tunneling protocol.
  • GRE general route encapsulation
  • GPRS GPRS tunneling protocol
  • S303 The LBO module forwards the tunnel establishment request to the MLAN controller according to the IP address of the MLAN controller.
  • the IP address of the MLAN controller can be pre-configured on the LBO module, or the LBO module can be notified in advance by the MLAN controller.
  • the IP address of the MLAN controller may also be included in the tunnel establishment request, and the terminal notifies the LBO device: Specifically, the IP address of the MLAN controller may be pre-configured on the terminal. The IP address of the MLAN controller can also be pre-configured on the base station and sent by the base station to the terminal through broadcast. The IP address of the MLAN controller can also be obtained by the terminal by querying the domain name of the network. In summary, after obtaining the IP address of the MLAN controller, the terminal can include the IP address of the MLAN controller in the tunnel establishment request.
  • the MLAN controller After receiving the tunnel establishment request, the MLAN controller obtains the identifier of the terminal, and sends an authentication request to the MLAN authentication and authorization module, where the authentication request includes the identifier of the terminal.
  • the MLAN authentication and authorization module After verifying that the terminal is legal, the MLAN authentication and authorization module sends an authentication response to the MLAN controller.
  • S306 The MLAN controller allocates a tunnel to the terminal.
  • the MLAN controller adds the identifier of the terminal and the information of the tunnel allocated to the terminal in the forwarding table.
  • the MLAN controller sends a tunnel establishment response to the LBO module, where the tunnel establishment response includes information about the tunnel allocated for the terminal.
  • the tunnel establishment response can be generated according to the UDP protocol.
  • the LBO module sends a tunnel establishment response to the terminal by using the base station, where the tunnel establishment response includes information about the tunnel allocated for the terminal.
  • the MLAN controller refuses to establish a tunnel. Specifically, the tunnel establishment response includes a reject message.
  • the tunnel is established between the terminal and the MLAN device.
  • the MLAN controller allocates an IP address to the terminal in the forwarding table, and records the IP address and the identifier of the terminal in the forwarding table.
  • the identifier of the terminal and the information of the tunnel corresponding to the identifier of the terminal are recorded in the forwarding table.
  • the IP address of the terminal is recorded in the forwarding table.
  • the terminal has an IP address for MLAN communication in addition to the IP address allocated by the core network device for the terminal for wireless cellular network communication.
  • An IP address is only one implementation of an MLAN address.
  • the MLAN controller can negotiate an IP address with the terminal through a dynamic host configuration protocol (DHCP).
  • DHCP dynamic host configuration protocol
  • S311 The MLAN controller sends the forwarding table to the MLAN forwarding processing module.
  • the configuration between the terminal and the MLAN is completed, and the terminals can communicate with each other through the base station and the MLAN, such as S312-S313.
  • S312 The terminal encapsulates the data in the tunnel according to the information of the tunnel allocated by the MLAN, and sends the data to the MLAN device, where the data includes the identifier of the terminal that is the receiver of the data and the information to be sent.
  • the process of the terminal encapsulating the data in the tunnel to the MLAN device is specifically: the terminal sends the data to the base station, and the base station sends the data to the LBO module, thereby completing the tunnel transmission, and the LBO module will The data is sent to the MLAN forwarding processing module.
  • the MLAN forwarding processing module obtains the IP address and the tunnel information of the terminal as the receiver according to the identifier of the terminal as the receiver, and encapsulates the information to be sent in the tunnel according to the IP address and the tunnel information. Forwarded to the terminal as the receiver.
  • the specific mode sent by the MLAN forwarding processing module may be unicast or multicast.
  • the tunnel between the MLAN device and the base station and the terminal under the coverage thereof may be deleted.
  • the method includes the following steps:
  • S314 The terminal sends a release MLAN request to the LBO module through the base station.
  • S315 The LBO module sends a release MLAN request to the MLAN controller.
  • the MLAN controller releases the IP address of the terminal, and deletes the identifier of the terminal and the IP address and tunnel information corresponding to the identifier of the terminal from the forwarding table.
  • S318 The MLAN controller sends a terminal offline message to the MLAN authentication and authorization module.
  • the MLAN-based communication method described in this embodiment can quickly establish a LAN based on a wireless network without wiring, so that the deployment cost of the LAN can be reduced. Moreover, the method shown in FIG. 3 can achieve the purpose of establishing multiple MLAN networks. Further, using tunnel technology, security isolation between different MLANs can be achieved.
  • Handover refers to the process of switching a wireless connection from a source base station to a target base station after the terminal moves from the coverage of one base station to the coverage of another base station.
  • 4 is a schematic diagram of a terminal switching from one base station to another in an MLAN scenario.
  • FIG. 5 is a handover process of the communication device shown in FIG. 1, and includes the following steps:
  • the source base station After completing the handover request and the handover response between the source base station and the target base station, the source base station sends the identifier of the terminal that has changed the handover to the destination base station by using the X2 interface.
  • the target base station sends a change bearer request to the LBO module, where the change bearer request includes a correspondence between the identifier of the terminal that has generated the handover and the target base station.
  • the LBO module updates the tunnel corresponding to the identifier of the terminal that has changed the handover.
  • the logical path through which the encapsulated data packet is transmitted on the public network is called a tunnel. Therefore, in the case where the base station covering the terminal changes from the source base station to the destination base station, the tunnel changes.
  • the mapping between the identifier of the terminal that has been switched and the destination base station is sent to the LBO module, and the LBO module records the information of the tunnel corresponding to the terminal that has been switched.
  • the downlink data after the handover can be correctly forwarded. And the MLAN forwarding processing module is not sensible for switching.
  • the LBO module sends an end identification data packet to the source base station, which is referred to as a first end identification data packet in this embodiment.
  • the source base station sends a first end identifier data packet to the target base station.
  • S506 After the source base station receives the first end identification data packet and the second end identification data packet sent by the EPC module, or the source base station waits for a preset duration after releasing the resource of the terminal that has been switched, releasing and generating the handover. The tunnel between the terminals.
  • the switching process shown in FIG. 5 can be performed after S311 and before S314 shown in FIG. 3, and the terminal and the MLAN.
  • the establishment of the tunnel, and the release process refer to Figure 3, and no further details are provided here.
  • tunneling technology shown in Figure 3 facilitates the security isolation between different LAN services, but
  • the communication between the communication device and the terminal described in the embodiments of the present application is not limited to the use of tunnel technology.
  • the communication device may not perform legality verification on the terminal.
  • another terminal and communication device provided by the embodiment provides a MLAN and MLAN-based communication method, as shown in FIG. 6, including the following steps:
  • S601 An S1-U link is established between the terminal and the EPC module.
  • S602 The terminal sends the identifier of the terminal to the LBO module through the base station.
  • the LBO module sends the identifier of the terminal to the MLAN controller.
  • the MLAN controller allocates an IP address to the terminal, and stores the identifier of the terminal and the IP address in the forwarding table.
  • S605 The MLAN controller sends the forwarding table to the MLAN forwarding processing module.
  • the terminal sends the uplink data to the LBO module through the base station, and the LBO module forwards the received data to the MLAN forwarding processing module, where the data includes the identifier of the terminal that is the receiver of the data and the information to be sent.
  • the process in which the terminal sends the uplink data to the LBO module through the base station is: the terminal sends the data to the base station, and the base station forwards the data to the LBO module.
  • the data sent by the communication device to the terminal in the present application is first sent to the base station, and then forwarded by the base station to the terminal.
  • the MLAN forwarding processing module obtains the IP address of the terminal as the receiver according to the identifier of the terminal as the receiver, and forwards the information to be sent to the terminal as the receiver through the LBO module and the base station according to the IP address. .
  • S608-S611 is a process of releasing the terminal, which is similar to the process of releasing the terminal in FIG. 3, which is shown in FIG. 6, and details are not described herein again.
  • the response process of the MLAN device is similar to that of Figure 5, except that the LBO module receives the change bearer request, and the corresponding relationship between the storage terminal and the target base station is in the process of transmitting downlink data. Transmitting the downlink data sent to the terminal to the target base station instead of the source base station.
  • FIG. 7 is a structural diagram of a communication device according to an embodiment of the present application.
  • the communication device includes a receiver, a transmitter, and a processor.
  • the receiver is configured to receive data sent by the terminal through the base station, where the data includes an identifier of the receiver and the information to be sent, where the receiver and the terminal are in a mobile local access network MLAN, and the MLAN is based on wireless Local access network established by the cellular network.
  • the transmitter is configured to send the information to be sent to the receiver by using the base station according to an MLAN address corresponding to the identifier of the receiver.
  • the processor is configured to allocate, to the terminal, an MLAN address corresponding to the identifier of the terminal, and may also be configured to allocate, by the terminal, a tunnel corresponding to the identifier of the terminal.
  • the processor, transmitter and receiver can communicate over the bus.
  • the communication device may be disposed in the MEC module as shown in FIG. 2, or may be set in the base station, or may be set in the network as an independent network element.
  • the communication device shown in FIG. 7 can establish an MLAN according to a wireless cellular network without wiring, so that the deployment cost of the LAN can be reduced.
  • FIG. 8 is a terminal, including a transmitter, and may also include a processor and a receiver.
  • the transmitter is configured to send an identifier of the terminal by using a base station, where the identifier of the terminal is used to acquire an MLAN address, where the MLAN address is used to communicate with a device in a mobile local access network MLAN, where the MLAN is established based on a wireless cellular network
  • the local access network and transmitting data through the base station, the data includes an identifier of the receiver and information to be sent, and the receiver and the terminal are in the MLAN. And transmitting, by the base station, a release MLAN request, the release MLAN requesting for the MLAN to release an MLAN address and/or a tunnel corresponding to the identifier of the terminal.
  • the transmitter, processor, receiver and memory can communicate over the bus.
  • the terminal shown in FIG. 8 can actively acquire the MLAN address from the network, and achieve the purpose of communicating with other devices through the MLAN.
  • the embodiment of the present application further discloses a system chip, including: at least one processor, a memory, an interface circuit, and a bus.
  • the at least one processor, memory, interface circuit is coupled through the bus.
  • the system chip can be applied to the communication device shown in FIG. 7, through which the interface circuit interacts with the communication device.
  • the memory stores program instructions, and the at least one processor invokes the program instructions stored in the memory to perform operations of the communication device illustrated in FIG. 3, FIG. 5, or FIG.
  • the system chip can be applied to the terminal shown in FIG. 8 through which the interface circuit and the terminal interact.
  • the memory stores program instructions, and the at least one processor calls the program instructions stored in the memory to perform operations of the terminal shown in FIG. 3, FIG. 5 or FIG.
  • the embodiment of the present application further discloses a computer storage medium, where the computer readable storage medium stores program instructions, and when the program instructions are run on a computer, the communication shown in FIG. 3, FIG. 5 or FIG. 6 is performed. The operation of the device or terminal.
  • the embodiment of the present application also discloses a computer program product, the computer program product comprising program instructions, when the program instructions are invoked, performing the operations of the communication device or the terminal shown in FIG. 3, FIG. 5 or FIG.
  • upstream and downstream appearing in this application are used in some scenarios to describe the direction of data/information transmission.
  • the "upstream” direction is the direction in which data/information is transmitted from the terminal device to the core network device.
  • the “downstream” direction is the direction in which data/information is transmitted from the core network device to the terminal device, and the “upstream” and “downlink” are only used to describe the direction, and the specific device for starting the data/information transmission is not limited.
  • the term “and/or” appearing in this patent application is merely an association describing the associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, while A exists. And B, there are three cases of B alone.
  • the character "/" in the present application generally indicates that the context of the context is an "or" relationship.
  • Various objects such as various messages/information/devices/network elements/systems/devices/actions/operations/processes/concepts may appear in this application. Assignment, but these specific names do not constitute a limitation on the relevant object. The assigned name can be changed according to factors such as scene, context or usage habits. The understanding of the technical meaning of related objects should be mainly based on its technology. The functions and technical effects embodied/executed in the solution are determined.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or 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.) 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), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本实施例提供了一种通信方法，包括：接收终端通过基站发送的数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于移动本地接入网络MLAN中，所述MLAN为基于无线蜂窝网络建立的本地接入网络。依据与所述接收方的标识对应的MLAN地址，将所述待发送的信息通过所述基站发给所述接收方。可见，基于无线网络的LAN可以实现终端和接收方之间的数据通信，而不再依赖有线方式，所以，能够节约成本。

Description

通信设备及通信方法 技术领域
本申请涉及通信领域，尤其涉及通信设备及通信方法。
背景技术
本地接入网络(local access network，LAN)业务是目前非常普及的局域网络业务，主要应用在企业办公等场景，当前LAN都是基于固定有线方式部署。而在移动终端通过无线网络通信的场景下，移动终端之间无法建立LAN。
可见，如何基于无线网络进行LAN通信，成为目前亟待解决的问题。
发明内容
本申请提供了一种移动本地接入网设备及通信方法，目的在于解决如何基于无线网络进行LAN通信的问题。
为了实现上述目的，本申请提供了以下技术方案：
本申请的第一方面提供了一种通信方法，包括：接收终端通过基站发送的数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于移动本地接入网络MLAN中，所述MLAN为基于无线蜂窝网络建立的本地接入网络。依据与所述接收方的标识对应的MLAN地址，将所述待发送的信息通过所述基站发给所述接收方。可见，基于无线网络的LAN可以实现终端和接收方之间的数据通信，而不再依赖有线方式，所以，能够节约成本。
本申请的第二方面提供了一种通信设备，包括：接收器和发射器。接收器用于接收终端通过基站发送的数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于移动本地接入网络MLAN中，所述MLAN为基于无线蜂窝网络建立的本地接入网络。发射器用于依据与所述接收方的标识对应的MLAN地址，将所述待发送的信息通过所述基站发给所述接收方。
本申请的第三方面提供了一种通信设备，包括：本地分流模块和MLAN转发处理模块。本地分流模块用于接收终端通过基站发送的数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于移动本地接入网络MLAN中，所述MLAN为基于无线蜂窝网络建立的本地接入网络。MLAN转发处理模块用于查询与所述接收方的标识对应的MLAN地址，并依据所述接收方的标识对应的MLAN地址，将所述待发送的信息通过所述基站发给所述接收方。
在一个实现方式中，所述通信设备还包括MLAN控制器和MLAN认证授权模块。MLAN控制器用于为所述终端分配MLAN地址，可选的，还用于所述终端分配隧道。可选的，MLAN控制器还用于释放MLAN地址和/或隧道。MLAN认证授权模块用于认证所述终端是否合法。
在一个实现方式中，所述通信设备设置在MEC模块中，或者，设置在基站中，或 者，作为独立的网元设置在网络中。
在一个实现方式中，建立所述MLAN的过程包括：接收所述终端通过基站发送的所述终端的标识。为所述终端分配与所述终端的标识对应的MLAN地址。
在一个实现方式中，所述建立所述MLAN的过程还包括：为所述终端分配与所述终端的标识对应的隧道。通过所述基站将所述隧道的信息发给所述终端。
在一个实现方式中，所述接收终端通过基站发送的数据包括：接收所述终端通过所述基站发送的封装在所述隧道中的数据。使用隧道发送数据，能够提高数据的安全性。
在一个实现方式中，所述为所述终端分配与所述终端的标识对应的MLAN地址包括：在通过所述终端的标识确定所述终端合法的情况下，为所述终端分配与所述终端的标识对应的MLAN地址。所述为所述终端分配与所述终端的标识对应的隧道包括：在通过所述终端的标识确定所述终端合法的情况下，为所述终端分配与所述终端的标识对应的MLAN地址。
在一个实现方式中，还包括：接收所述终端切换后的目的基站的信息，所述目的基站的信息在所述终端从源基站切换到所述目的基站的情况下，由所述目的基站发送，并将发送所述待发送的信息给所述接收方使用的基站，从所述源基站更新为所述目的基站。所以，能够保证终端发生切换后，基于MLAN网络还可以正常通信。
本申请的第四方面提供了一种通信方法，包括：通过基站发送所述终端的标识，所述终端的标识用于获取MLAN地址，所述MLAN地址用于与移动本地接入网络MLAN中的设备通信，所述MLAN为基于无线蜂窝网络建立的本地接入网络。并通过所述基站发送数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于所述MLAN中。可见，终端能够主动触发获取MLAN地址，而实现与其它设备通过MLAN通信的目的。
本申请的第五方面提供了一种终端，包括：发射器。所述发射器用于通过基站发送所述终端的标识，所述终端的标识用于获取MLAN地址，所述MLAN地址用于与移动本地接入网络MLAN中的设备通信，所述MLAN为基于无线蜂窝网络建立的本地接入网络，并通过所述基站发送数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于所述MLAN中。
本申请的第六方面提供了一种终端，包括：发送模块，用于通过基站发送所述终端的标识，所述终端的标识用于获取MLAN地址，所述MLAN地址用于与移动本地接入网络MLAN中的设备通信，所述MLAN为基于无线蜂窝网络建立的本地接入网络，并通过所述基站发送数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于所述MLAN中。
在一个实现方式中，还包括：通过所述基站发送释放MLAN请求，所述释放MLAN请求用于所述MLAN释放与所述终端的标识对应的MLAN地址和/或隧道。
本申请的第七方面提供了一种系统芯片，所述系统芯片包括：至少一个处理器，存储器，接口电路和总线。所述至少一个处理器，存储器，接口电路通过所述总线耦 合。所述系统芯片可以应用在上述通信设备，通过所述接口电路和所述通信设备交互。所述存储器存储有程序指令，所述至少一个处理器，调用所述存储器中存储的所述程序指令，以进行所示的通信设备的操作。或者，所述系统芯片可以应用上述终端，通过所述接口电路和终端交互。所述存储器存储有程序指令，所述至少一个处理器，调用所述存储器中存储的所述程序指令，以进行终端的操作。
本申请的第八方面提供了一种系统计算机存储介质，所述计算机可读存储介质中存储有程序指令，所述程序指令在计算机上运行时，进行上述通信设备或终端的操作。
本申请的第九方面提供了一种计算机程序产品，所述计算机程序产品包含程序指令，所述程序指令被调用时，进行上述通信设备或终端的操作。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为无线网络的基本架构图；
图2为本发明实施例公开的通信设备的与终端进行LAN通信的示意图；
图3为本发明实施例公开的终端与通信设备构建MLAN，并基于MLAN的通信方法的流程图；
图4为MLAN场景下，终端从一个基站切换到另一个基站的示意图；
图5为本发明实施例公开的通信设备的切换过程的示意图；
图6为本发明实施例公开的又一种终端与MLAN通信构建MLAN，并基于MLAN的通信方法的流程图；
图7为本发明实施例公开的一种通信设备的结构示意图；
图8为本发明实施例公开的一种终端的结构示意图。
具体实施方式
图1为无线网络的基本架构，其中，网络侧包括移动边缘计算(mobile edge computing，MEC)模块、演进的分组核心(evolved packet core，EPC)模块和基站。MEC模块用于实现本地业务分流转发,具体由业务分流(break out，BO)子模块实现。EPC模块用于实现无线网络接入管理。各个移动终端通过基站与网络侧通信。
为了实现图1中的各个移动终端之间的LAN通信，本申请实施例公开了一种通信设备，为了便于说明，下文中将基于无线网络的LAN称为移动本地接入网络(mobile local access network，MLAN)。
如图2所示，本申请公开的通信设备包括本地分流(local break out，LBO)模块、MLAN控制器(controller)、MLAN认证授权模块和MLAN转发处理模块。MLAN设备设置在MEC模块中，通过与图1中已有模块的交互，实现各个移动终端之间的LAN 通信。
通信设备设置在MEC模块中的优势在于，因为MEC模块在现有的网络架构中靠近基站，也可能设置在基站中，所以，通信设备设置在MEC模块中能够减小基于MLAN的数据转发的时延，并且，MLAN设备可以将EPC模块的BO子模块作为本地分流模块使用，所以能够节省成本。
通信设备也可以部署在靠近基站的其它设备中，或者部署在基站中。
下面将对通信设备的功能进行详细说明。
图3为图2所示的终端与通信设备构建MLAN，并基于MLAN的通信方法，包括以下步骤：
S301：终端与EPC模块之间建立S1-U链路。
具体地，终端通过基站向EPC模块发送S1-U链路建立请求，EPC模块通过基站向终端发送S1-U链路建立响应。
S302：终端通过基站向LBO模块发送隧道建立请求。
隧道建立请求包括终端的标识。隧道建立请求可以依据用户数据报协议(user datagram protocol，UDP)生成。
隧道技术是一种利用公共网络的基础设施在网络之间传递数据的方式。使用隧道技术传递的数据可以是使用不同协议封装的数据包，隧道协议将这些其他协议封装的数据包重新加密并封装在新的包头中发送。新的包头提供了路由信息，从而使新封装的数据包能够在隧道的两个端点之间通过公共互联网络进行路由传输。
被封装的数据包在公共网络上传递时所经过的逻辑路径称为隧道。
本实施例中，隧道技术采用的协议可以为通用路由协议封装(general route encapsulation，GRE)或者GPRS隧道协议。
S303：LBO模块依据MLAN controller的IP地址，将隧道建立请求转发给MLAN controller。
可选的，MLAN controller的IP地址可以预先配置在LBO模块上，也可以由MLAN controller预先通知LBO模块。
MLAN controller的IP地址还可以包括在隧道建立请求中，由终端通知LBO设备：具体的，MLAN controller的IP地址可以预先配置在终端上。MLAN controller的IP地址也可以预先配置在基站上，并由基站通过广播方式发给终端。MLAN controller的IP地址还可以由终端通过查询网络域名的方式获取。总之，终端在获取MLAN controller的IP地址之后，可以将MLAN controller的IP地址包括在隧道建立请求中。
S304：MLAN controller接收到隧道建立请求后，从中获取终端的标识，并向MLAN认证授权模块发送认证请求，认证请求包括终端的标识。
S305：MLAN认证授权模块验证终端合法后，向MLAN controller发送认证通过响应。
S306：MLAN controller为终端分配隧道。
S307：MLAN controller在转发表中增加终端的标识以及为该终端分配的隧道的信息。
S308：MLAN controller向LBO模块发送隧道建立响应，隧道建立响应包括为终端分配的隧道的信息。
隧道建立响应可以依据UDP协议生成。
S309：LBO模块通过基站向终端发送隧道建立响应，隧道建立响应包括为终端分配的隧道的信息。
如果MLAN认证授权模块验证终端不合法，则MLAN controller拒绝建立隧道，具体的，隧道建立响应包括拒绝消息。
至此，终端与MLAN设备之间完成隧道的建立。
S310：MLAN controller为转发表中的终端分配IP地址，并将IP地址与终端的标识对应记录在转发表中，至此，转发表中已记录终端的标识、与终端的标识对应的隧道的信息以及终端的IP地址。
也就是说，本实施例中，终端除了具有核心网设备为终端分配的用于无线蜂窝网通信的IP地址之外，还具有用于MLAN通信的IP地址。IP地址仅为MLAN地址的一种实现方式。
具体地，MLAN controller可以通过动态主机配置协议(dynamic host configuration protocol，DHCP)与终端协商分配IP地址。
S311：MLAN controller将转发表发给MLAN转发处理模块。
至此，终端与MLAN之间的配置完成，终端之间可以通过基站以及MLAN通信，如S312-S313。
S312：终端依据MLAN分配的隧道的信息，将数据封装在隧道中发给MLAN设备，数据中包括作为数据的接收方的终端的标识和待发送的信息。
因为隧道包括基站和LBO模块，所以,终端将数据封装在隧道中发给MLAN设备的过程具体为：终端将数据发给基站、基站将数据发给LBO模块，至此完成隧道的传输，LBO模块将数据发给MLAN转发处理模块。
S313：MLAN转发处理模块依据作为接收方的终端的标识，查询转发表获得作为接收方的终端的IP地址和隧道的信息，并依据IP地址和隧道的信息，将待发送的信息封装在隧道中转发给作为接收方的终端。
MLAN转发处理模块发送的具体方式可以为单播或者组播。
在终端完成MLAN业务后，可以删除MLAN设备与基站及其覆盖下的终端之间的隧道，具体地，包括以下步骤：
S314：终端通过基站向LBO模块发送释放MLAN请求。
S315：LBO模块向MLAN controller发送释放MLAN请求。
S316：MLAN controller释放为终端分配的隧道。
S317：MLAN controller释放终端的IP地址，并从转发表中删除终端的标识以及该终端的标识对应的IP地址和隧道的信息。
S318：MLAN controller向MLAN认证授权模块发送终端下线消息。
从图3所示的方法可以看出，本实施例所述的基于MLAN的通信方法，可以基于无线网络快速建立LAN，而无需再进行布线，所以，能够降低LAN的部署成本。并且，图3所示的方法，可以实现建立多个MLAN网络的目的，进一步地，使用隧道技术可以使得不同的MLAN之间实现安全隔离。
在无线网络中，切换是常见的场景。切换是指，终端从一个基站的覆盖范围移动到另一个基站的覆盖范围后，无线连接从源基站切换到目标基站的过程。图4为MLAN场景下，终端从一个基站切换到另一个基站的示意图。
图5为图1所示的通信设备的切换过程，包括以下步骤：
S501：在源基站与目的基站之间完成切换请求和切换响应之后，源基站通过X2接口向目的基站发送发生切换的终端的标识。
S502：目的基站向LBO模块发送更改承载请求，更改承载请求包括发生切换的终端的标识与目的基站的对应关系。
S503：LBO模块更新发生切换的终端的标识对应的隧道。
如前所述，被封装的数据包在公共网络上传递时所经过的逻辑路径称为隧道，因此，在覆盖终端的基站从源基站变为目的基站的情况下，隧道会发生变化。将发生切换的终端的标识与目的基站的对应关系发给LBO模块，LBO模块记录更新为发生切换的终端对应的隧道的信息，在后续数据转发过程中，可以实现切换后的下行数据的正确转发，而MLAN转发处理模块对于切换是无感的。
S504：LBO模块向源基站发送结束标识数据包，本实施例中称为第一结束标识数据包。
S505：源基站向目的基站发送第一结束标识数据包。
S506：源基站在接收到第一结束标识数据包和由EPC模块发送的第二结束标识数据包后，或者源基站从释放发生切换的终端的资源开始等待预设的时长后，释放与发生切换的终端之间的隧道。
S507：目的基站在接收到第一结束标识数据包和由EPC模块发送的第二结束标识数据包后，或者目的基站从源基站释放发生切换的终端的资源开始等待预设的时长后，转发缓存的数据。
需要说明的是，本实施例仅对MLAN场景下终端切换与现有技术的区别特征进行说明，图5所示的切换过程，可以在图3所示的S311之后、S314之前执行，终端与MLAN之间的配置、隧道的建立以及释放过程，均可以参见图3所示，这里不再赘述。
需要说明的是，图3所示的隧道技术有利于不同的LAN业务之间的安全隔离，但 本申请实施例所述的通信设备与终端之间的通信并不限于使用隧道技术。另外，通信设备也可以不对终端进行合法性验证。
因此，本实施例提供的另一种终端与通信设备构建MLAN并基于MLAN的通信方法，如图6所示，包括以下步骤：
S601：终端与EPC模块之间建立S1-U链路。
S602：终端将终端的标识通过基站发给LBO模块。
S603：LBO模块将终端的标识发给MLAN controller。
S604：MLAN controller为终端分配IP地址，并将终端的标识与IP地址对应存储在转发表中。
S605：MLAN controller将转发表发给MLAN转发处理模块。
S606：终端将上行数据通过基站发给LBO模块，LBO模块再将接收到数据转发给MLAN转发处理模块，数据中包括作为数据的接收方的终端的标识和待发送的信息。
终端将上行数据通过基站发给LBO模块的过程为：终端将数据发给基站、基站将数据转发给LBO模块。
本申请所述的通信设备发给终端的数据，先发给基站，再由基站转发给终端。
S607：MLAN转发处理模块依据作为接收方的终端的标识，查询转发表获得作为接收方的终端的IP地址，并依据IP地址，将待发送的信息通过LBO模块以及基站转发给作为接收方的终端。
S608-S611为释放终端的过程，与图3中释放终端的过程类似，详见图6，这里不再赘述。
基于图6，终端发生切换的情况下，MLAN设备的响应流程与图5类似，不同点在于：LBO模块接收到更改承载请求后，存储终端与目标基站的对应关系，在发送下行数据的过程中，将发给终端的下行数据转发给目标基站，而非源基站。
图7为本申请实施例公开的通信设备的结构。通信设备包括：接收器、发射器以及处理器。
其中，接收器用于接收终端通过基站发送的数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于移动本地接入网络MLAN中，所述MLAN为基于无线蜂窝网络建立的本地接入网络。发射器用于依据与所述接收方的标识对应的MLAN地址，将所述待发送的信息通过所述基站发给所述接收方。所述处理器用于为所述终端分配与所述终端的标识对应的MLAN地址，还可以用于为所述终端分配与所述终端的标识对应的隧道。
处理器、发射器和接收器实现上述功能的具体过程，以及更多附加功能的实现，可以参见方法实施例，这里不再赘述。处理器、发射器和接收器可以通过总线通信。
所述通信设备可以如图2所示，设置在MEC模块中，也可以设置在基站中，或者，也可以作为独立的网元设置在网络中。
图7所示的通信设备，能够依据无线蜂窝网络建立MLAN，而无需再进行布线，所以，能够降低LAN的部署成本。
图8为本申请实施例公开的一种终端，包括发射器，通常还可以包括处理器和接收器。
发射器用于通过基站发送所述终端的标识，所述终端的标识用于获取MLAN地址，所述MLAN地址用于与移动本地接入网络MLAN中的设备通信，所述MLAN为基于无线蜂窝网络建立的本地接入网络，并通过所述基站发送数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于所述MLAN中。以及，通过所述基站发送释放MLAN请求，所述释放MLAN请求用于所述MLAN释放与所述终端的标识对应的MLAN地址和/或隧道。
处理器、接收器和存储器的具体功能可以参见现有技术。发射器、处理器、接收器和存储器可以通过总线通信。
图8所示的终端，可以主动从网络获取MLAN地址，而实现与其它设备通过MLAN通信的目的。
本申请实施例还公开了一种系统芯片，包括：至少一个处理器，存储器，接口电路和总线。所述至少一个处理器，存储器，接口电路通过所述总线耦合。
所述系统芯片可以应用在图7所示的通信设备，通过所述接口电路和所述通信设备交互。所述存储器存储有程序指令，所述至少一个处理器，调用所述存储器中存储的所述程序指令，以进行图3、图5或图6中所示的通信设备的操作。
或者，所述系统芯片可以应用在图8所示的终端，通过所述接口电路和终端交互。所述存储器存储有程序指令，所述至少一个处理器，调用所述存储器中存储的所述程序指令，以进行图3、图5或图6中所示的终端的操作。
本申请实施例还公开了一种计算机存储介质，所述计算机可读存储介质中存储有程序指令，所述程序指令在计算机上运行时，进行图3、图5或图6中所示的通信设备或终端的操作。
本申请实施例还公开了一种计算机程序产品，所述计算机程序产品包含程序指令，所述程序指令被调用时，进行图3、图5或图6中所示的通信设备或终端的操作。
本申请中出现的术语“上行”和“下行”，在某些场景用于描述数据/信息传输的方向，比如，“上行”方向为数据/信息从终端设备向核心网设备传输的方向，“下行”方向为数据/信息从核心网设备向终端设备传输的方向，“上行”和“下行”仅用于描述方向，对数据/信息传输起止的具体设备都不作限定。在本专利申请中出现的术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本申请中字符“/”，一般表示前后关联对象是一种“或”的关系。在本申请中可能出现的对各种消息/信息/设备/网元/系统/装置/动作/操作/流程/概念等各类客体进行了 赋名，但这些具体的名称并不构成对相关客体的限定，所赋名称可随着场景，语境或者使用习惯等因素而变更，对相关客体的技术含义的理解，应主要从其在技术方案中所体现/执行的功能和技术效果来确定。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (24)

  1. 一种通信方法，其特征在于，包括：
    接收终端通过基站发送的数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于移动本地接入网络MLAN中，所述MLAN为基于无线蜂窝网络建立的本地接入网络；
    依据与所述接收方的标识对应的MLAN地址，将所述待发送的信息通过所述基站发给所述接收方。
  2. 根据权利要求1所述的方法，其特征在于，建立所述MLAN的过程包括：
    接收所述终端通过基站发送的所述终端的标识；
    为所述终端分配与所述终端的标识对应的MLAN地址。
  3. 根据权利要求2所述的方法，其特征在于，所述建立所述MLAN的过程还包括：
    为所述终端分配与所述终端的标识对应的隧道；
    通过所述基站将所述隧道的信息发给所述终端。
  4. 根据权利要求3所述的方法，其特征在于，所述接收终端通过基站发送的数据包括：
    接收所述终端通过所述基站发送的封装在所述隧道中的数据。
  5. 根据权利要求3或4所述的方法，其特征在于，所述为所述终端分配与所述终端的标识对应的MLAN地址包括：
    在通过所述终端的标识确定所述终端合法的情况下，为所述终端分配与所述终端的标识对应的MLAN地址；
    所述为所述终端分配与所述终端的标识对应的隧道包括：
    在通过所述终端的标识确定所述终端合法的情况下，为所述终端分配与所述终端的标识对应的MLAN地址。
  6. 根据权利要求1-5任一项所述的方法，其特征在于，还包括：
    接收所述终端切换后的目的基站的信息，所述目的基站的信息在所述终端从源基站切换到所述目的基站的情况下，由所述目的基站发送；
    将发送所述待发送的信息给所述接收方使用的基站，从所述源基站更新为所述目的基站。
  7. 根据权利要求1-6任一项所述的方法，其特征在于，还包括：
    接收所述终端通过所述基站发送的释放MLAN请求；
    释放与所述终端的标识对应的MLAN地址和/或隧道。
  8. 一种通信方法，其特征在于，包括：
    通过基站发送所述终端的标识，所述终端的标识用于获取MLAN地址，所述MLAN地址用于与移动本地接入网络MLAN中的设备通信，所述MLAN为基于无线蜂窝网络建立的本地接入网络；
    通过所述基站发送数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于所述MLAN中。
  9. 根据权利要求8所述的方法，其特征在于，还包括：
    通过所述基站发送释放MLAN请求，所述释放MLAN请求用于所述MLAN释放与所述终端的标识对应的MLAN地址和/或隧道。
  10. 一种通信设备，其特征在于，包括：
    接收器，用于接收终端通过基站发送的数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于移动本地接入网络MLAN中，所述MLAN为基于无线蜂窝网络建立的本地接入网络；
    发射器，用于依据与所述接收方的标识对应的MLAN地址，将所述待发送的信息通过所述基站发给所述接收方。
  11. 根据权利要求10所述的通信设备，其特征在于，所述接收器还用于：
    接收所述终端通过基站发送的所述终端的标识；
    所述的通信设备还包括：
    处理器，用于为所述终端分配与所述终端的标识对应的MLAN地址。
  12. 根据权利要求11所述的通信设备，其特征在于，所述处理器还用于：
    为所述终端分配与所述终端的标识对应的隧道；
    所述发射器还用于：通过所述基站将所述隧道的信息发给所述终端。
  13. 根据权利要求12所述的通信设备，其特征在于，所述接收器用于接收终端通过基站发送的数据包括：
    所述接收器具体用于，接收所述终端通过所述基站发送的封装在所述隧道中的数据。
  14. 根据权利要求12或13所述的通信设备，其特征在于，所述处理器用于为所述终端分配与所述终端的标识对应的MLAN地址包括：
    所述处理器具体用于，在通过所述终端的标识确定所述终端合法的情况下，为所述终端分配与所述终端的标识对应的MLAN地址；
    所述处理器用于为所述终端分配与所述终端的标识对应的隧道包括：
    所述处理器具体用于，在通过所述终端的标识确定所述终端合法的情况下，为所述终端分配与所述终端的标识对应的MLAN地址。
  15. 根据权利要求10-14任一项所述的通信设备，其特征在于，所述接收器还用于：
    接收所述终端切换后的目的基站的信息，所述目的基站的信息在所述终端从源基站切换到目的基站的情况下，由所述目的基站发送；
    所述处理器还用于：
    将发送所述待发送的信息给所述接收方使用的基站，从所述源基站更新为所述目的基站。
  16. 根据权利要求10-15任一项所述的通信设备，其特征在于，所述接收器还用于：接收所述终端通过所述基站发送的释放MLAN请求；
    所述处理器还用于：释放与所述终端的标识对应的MLAN地址和/或隧道。
  17. 一种系统芯片，所述系统芯片应用在通信设备，其特征在于，所述系统芯片包括：
    至少一个处理器，存储器，接口电路和总线；
    所述至少一个处理器，存储器，接口电路通过所述总线耦合；
    所述系统芯片通过所述接口电路和所述通信设备交互；所述存储器存储有程序指令，所述至少一个处理器，调用所述存储器中存储的所述程序指令，以进行权利要求1-7任一项所述方法中的操作。
  18. 一种计算机存储介质，其特征在于，所述计算机可读存储介质中存储有程序指令，所述程序指令在计算机上运行时，进行权利要求1-7任一项所述方法中的操作。
  19. 一种计算机程序产品，其特征在于，所述计算机程序产品包含程序指令，所述程序指令被调用时，进行权利要求1-7任一项所述方法中的操作。
  20. 一种终端，其特征在于，包括：
    发射器，用于通过基站发送所述终端的标识，所述终端的标识用于获取MLAN地址，所述MLAN地址用于与移动本地接入网络MLAN中的设备通信，所述MLAN为基于无线蜂窝网络建立的本地接入网络，并通过所述基站发送数据，所述数据包括接收方的标识和待发送的信息，所述接收方和所述终端处于所述MLAN中。
  21. 根据权利要求20所述的终端，其特征在于，所述发射器还用于：
    通过所述基站发送释放MLAN请求，所述释放MLAN请求用于所述MLAN释放与所述终端的标识对应的MLAN地址和/或隧道。
  22. 一种系统芯片，所述系统芯片应用在终端，其特征在于，所述系统芯片包括：
    至少一个处理器，存储器，接口电路和总线；
    所述至少一个处理器，存储器，接口电路通过所述总线耦合；
    所述系统芯片通过所述接口电路和所述终端交互；所述存储器存储有程序指令，所述至少一个处理器，调用所述存储器中存储的所述程序指令，以进行权利要求8或9所述方法中的操作。
  23. 一种计算机存储介质，其特征在于，所述计算机可读存储介质中存储有程序指令，所述程序指令在计算机上运行时，进行权利要求8或9所述方法中的操作。
  24. 一种计算机程序产品，其特征在于，所述计算机程序产品包含程序指令，所述程序指令被调用时，进行权利要求8或9所述方法中的操作。
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