WO2014161497A1 - 一种传输节点信息以及业务切换的方法和系统 - Google Patents

一种传输节点信息以及业务切换的方法和系统 Download PDF

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Publication number
WO2014161497A1
WO2014161497A1 PCT/CN2014/074686 CN2014074686W WO2014161497A1 WO 2014161497 A1 WO2014161497 A1 WO 2014161497A1 CN 2014074686 W CN2014074686 W CN 2014074686W WO 2014161497 A1 WO2014161497 A1 WO 2014161497A1
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Prior art keywords
base station
node
information
station node
service
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PCT/CN2014/074686
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English (en)
French (fr)
Inventor
杨宁
胡南
谢芳
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中国移动通信集团公司
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Publication of WO2014161497A1 publication Critical patent/WO2014161497A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and system for transmitting node information, And methods and systems for performing business switching.
  • Time Division Long term evaluation is the next generation mainstream Cellular mobile communication technology, will deploy applications on a large scale, and wireless local area network (Wireless Local) AreaNetwork, WLAN) technology as a powerful complement to cellular mobile technology, in hotspot coverage, room Applications are also widely deployed in scenarios such as internal coverage.
  • WLAN wireless local area network
  • eNodeB base station
  • APs access points
  • Co-location deployment In the 3rd Generation Partnership Project (3GPP) In the standard, eNodeB and AP can be deployed in two ways, which can be called non-co-location deployment methods. Co-location deployment:
  • a private communication interface between the eNodeB and the AP.
  • the transmission of private information is shown in Figure 2.
  • a private interface can be set up between the eNodeB and the AP to transmit the device manufacturer through the private interface.
  • Private information, between the private interface of the eNodeB and the private interface of the AP, can be wired (fiber) Private or private transmission of information.
  • the physical distance between the eNodeB and the AP can be far away (such as 1 km apart). In this case, the physical distance between the eNodeB and the AP can be relatively close (for example, the coverage area of the AP located in the eNodeB) Inside)
  • node information cannot be performed between APs and eNodeBs that are not co-located Passing, that is, the AP cannot pass its own node information to the eNodeB that is not co-located, and the eNodeB cannot Passing its own node information to the eNodeB that is not co-located, the real between the AP and the eNodeB cannot be realized.
  • Interoperability in the sense The terminal is in the AP because no interoperation between the AP and the eNodeB is implemented. Operations such as seamless switching between the eNodeB and the eNodeB are also impossible, which detracts from the utilization efficiency of the radio resources.
  • Embodiments of the present invention provide a method and system for transmitting node information, which are used to solve the prior art.
  • the problem of node information transmission cannot be realized between the non-co-located AP and the eNodeB.
  • a method of transmitting node information comprising:
  • the first base station node acquires node information of the first access point AP co-located with itself;
  • a method of transmitting node information comprising:
  • the first base station sends the received node information of the second base station node to the access station with the self station Click AP.
  • a system for transmitting node information comprising a first base station node and a first base station node a first access point AP of the co-site, and a second base station node not co-located with the first AP, where:
  • a first base station node configured to acquire node information of the first AP, and use the node information of the first AP Information is sent to the second base station node;
  • a second base station node configured to receive node information of the first AP.
  • a system for transmitting node information comprising a first base station node, a second base station node, An access point AP co-located with the second base station node, where:
  • a first base station node configured to send its own node information to the second base station node
  • a second base station node configured to receive node information of the first base station node, and send the information to the AP;
  • the AP is configured to receive node information of the first base station node.
  • the ability to utilize the information transmission between the AP and the eNodeB of the co-site, as the eNodeB acts with itself A bridge between the APs of the common station and other eNodeBs, and the APs that will co-locate with them The information is forwarded to other eNodeBs that are not co-located with the AP, and the information of other eNodeBs is forwarded back to the total
  • the AP of the station enables indirect communication between the AP and the eNodeB that do not share the station, and implements the AP that is not co-located. Real interoperability with eNodeB.
  • the embodiment of the invention further provides a method and a system for service switching, which are used to solve the prior art.
  • the existing terminal cannot seamlessly switch between the AP and the eNodeB that are not co-located.
  • a method of service switching comprising:
  • the first base station node co-located with the access point AP acquires node information of the AP and the terminal is in the AP
  • the service information generated on the AP, the node information and the service information of the AP are received by the AP. Obtained after carrying the handover request with the identity of the base station node;
  • the first base station node sends the node information and service information of the AP to the base station node identifier.
  • the second base station node requests the second base station node to determine the terminal cut according to the node information of the received AP Replacing the previously accessed AP, and completing the service of the terminal from the AP to the second base according to the received service information. Switching of station nodes.
  • a method of service switching comprising:
  • the first base station node receives the node of the second AP sent by the second base station node co-located with the second AP Information and service information generated by the terminal on the second AP, node information and service letter of the second AP
  • the second base is after the second AP receives the handover request that is reported by the terminal and carries the first AP identifier. Obtained by the station node;
  • the first base station node sends the received node information and service information of the second AP to the co-site An AP, the first AP is required to determine, according to the received node information of the second AP, the terminal access before the handover The second AP, and completes the service of the terminal from the second AP to the first AP according to the received service information. Switching.
  • a method of service switching comprising:
  • the second base station node receives, by the first base station node, node information and a terminal of the second base station node sent by the second base station node Service information generated on the second base station node, node information and service information of the second base station node
  • the second base station node sends the handover request to the terminal.
  • the AP identifies the first base station node of the corresponding AP co-site;
  • the first base station node sends the node information and the service information of the second base station node to the AP of the co-site,
  • the AP is required to determine, according to the received node information, a second eNodeB that is accessed before the terminal switches, And completing, according to the received service information, a handover of the service of the terminal from the second base station node to the AP.
  • a service switching system comprising a first base station node, co-station with a first base station node An access point AP and a second base station node, where:
  • the first base station node is configured to receive, at the AP, a handover that is reported by the terminal and carries the identifier of the base station node Requesting, obtaining node information of the AP and service information generated by the terminal on the AP, and sending the information to the a second base station node corresponding to the base station node identifier;
  • a second base station node configured to determine, according to the node information of the received AP, the terminal accessed before the handover AP, and according to the received service information, complete the service of the terminal from the AP to the second base station node change.
  • a service switching system comprising a first base station node, co-station with a first base station node a first access point AP, a second base station node, and a second AP co-located with the second base station node, where:
  • a first base station node configured to receive, by the first AP, the second AP identifier that is reported by the terminal When the request is switched, the node information of the first AP and the service information generated by the terminal on the first AP are obtained. And sending to the second base station node of the second AP co-station corresponding to the second AP identifier;
  • a second base station node configured to receive node information and service information of the first AP, and send the information to the second AP;
  • a second AP configured to determine, according to the received node information of the first AP, that the terminal is connected before the handover The first AP, and completes the service of the terminal from the first AP to the second AP according to the received service information. Switching.
  • a service switching system comprising a first base station node, a second base station node, and a second The access point AP of the base station node co-station, where:
  • the first base station node is configured to: when receiving the handover request that is reported by the terminal and carrying the AP identifier, Sending its own node information and service information generated by the terminal on the first base station node to the AP Identifying a second base station node of the corresponding AP co-site;
  • a second base station node configured to receive node information and service information of the first base station node, and send the information to Total station AP;
  • An AP configured to determine, according to the received node information, a first base station node that is accessed before the terminal switches, And completing, according to the received service information, a handover of the service of the terminal from the first base station node to the AP.
  • the terminal exchanges information required for seamless handover between the AP and the eNodeB that are not co-located.
  • seamless handover between the AP and the eNodeB that does not share the terminal ensuring continuity of the terminal service Sex.
  • FIG. 1 is a schematic diagram of deployment of an eNodeB and an AP that are not co-located in the background art
  • FIG. 2 is a schematic diagram of deployment of an eNodeB and an AP in a common station in the background art
  • FIG. 3 is a signaling flow of an AP transmitting node information to an eNodeB that is not co-station in Embodiment 1 of the present invention
  • 4(a) and 4(b) are schematic diagrams of a control plane protocol of an X2 interface protocol stack
  • FIG. 5 is a signaling flow of an eNodeB transmitting node information to an AP that is not a co-site in Embodiment 2 of the present invention.
  • FIG. 6 is a service switching signaling of a terminal switching from an AP to an eNodeB that is not a co-station in the third embodiment schematic diagram;
  • FIG. 7 is a service switching signaling of a terminal that is switched from an eNodeB to an AP that is not a common station in the fourth embodiment.
  • FIG. 8 is a schematic diagram of service switching signaling for a terminal to switch from a first AP to a second AP in Embodiment 5 Figure.
  • Embodiments of the present invention can utilize the private interface to perform information between the AP and the base station node of the shared station.
  • the ability to transmit information from the base station node as an AP and other base station nodes co-located with itself The transmitted bridge forwards the information of the AP with its own station to other base station sections that are not co-located with the AP. Point and forward the information of other base station nodes back to the AP of the co-station, so that the APs and base station nodes that are not co-located Indirect communication between them enables real interoperability between APs and base station nodes that are not co-located.
  • the base station node involved in the present invention may be an eNodeB.
  • the base station node is an eNodeB as an example.
  • the first and second are used for the AP and
  • the classification of the eNodeB does not limit the performance and location relationship of the AP and the eNodeB.
  • the first AP and the first eNodeB can be co-located, and the second AP and the second eNodeB are co-located.
  • the first AP and the second eNodeB are not co-located, and the second AP and the first eNodeB are not co-located.
  • the AP and the eNodeB involved in the embodiments of the present invention may have both an AP and eNodeB-enabled device, such as a device with eNodeB/AP dual mode, in this case, device It needs to work in a certain mode.
  • the device works in eNodeB mode
  • the device is regarded as an eNodeB.
  • the device works in AP mode
  • the device is regarded as an AP, and at the same time, node information is transmitted.
  • the device needs to negotiate with the transmitting peer in advance so that the peer can determine the current mode of the device.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • an AP sends node information to an eNodeB that is not co-located.
  • Schematic diagram of the signaling process the method mainly includes the following steps:
  • Step 101 The first eNodeB acquires node information of the first AP that is co-located with itself.
  • the node information sent by the first AP may include, but is not limited to, an SSID of the first AP, frequency point information, Information such as load status information, version number, and coverage of the first AP.
  • a possible implementation manner of this step is that the first AP passes the private relationship with the first eNodeB.
  • An interface sends its own node information to the first eNodeB.
  • the first eNodeB in this step is not limited to Obtaining the node information of the first AP by using other methods, for example, the first eNodeB actively requests the first AP. Its node information.
  • Step 102 The first eNodeB sends the received node information of the first AP to the first AP.
  • the second eNodeB that is not co-located.
  • the first eNodeB and the second eNodeB can pass their own X2.
  • the interface communicates, as shown in Figure 4(a), which is a schematic diagram of the control plane protocol of the X2 interface protocol stack.
  • Figure 4(a) is a schematic diagram of the control plane protocol of the X2 interface protocol stack.
  • the first eNodeB is passing
  • the X2 interface sends the node information of the first AP to the second eNodeB
  • the node information of the first AP may be used. Carrying in the data packet generated by the X2 based protocol, specifically, the X2-AP that can be carried in the data packet Floor.
  • the uppermost layer can be the X2-U layer, as shown in Figure 4(b).
  • the first eNodeB may carry the node information of the first AP in the X2-U of the data packet and send.
  • the transmission of the eNodeBs through the X2 interface in the first embodiment is an optional solution in this embodiment. This embodiment is not limited to transmitting node information through other known interfaces or new interfaces between eNodeBs. interest.
  • Step 103 The second eNodeB receives the node information of the first AP.
  • the second eNodeB can receive the first eNodeB through its own X2 interface.
  • Sending node information of the first AP specifically, if in step 102, the first eNodeB will be the first
  • the node information of an AP is carried in the X2-AP layer, and the second eNodeB receives the arrival through the X2 interface.
  • the node information of the first AP may be read from the X2-AP layer.
  • the node information of the first AP is shared.
  • the first eNodeB of the station is indirectly sent to the second eNodeB that is not co-located, and the AP implements its own The purpose of sending node information to the eNodeB that is not co-located.
  • Step 104 The second eNodeB sends the received node information of the first AP to itself.
  • the second AP of the station The second AP of the station.
  • step 104 based on step 101 to step 103, the AP and the co-site are again utilized.
  • the ability of the eNodeB to communicate through the private interface, through the forwarding of the second eNodeB, will be
  • the node information of the first AP that is not related to the second AP is sent to the second AP, and the AP is indirectly implemented.
  • the transmission of node information can effectively improve the utilization of wireless resources.
  • the second eNodeB that the first eNodeB selects to receive the first AP node information may have The following three scenarios:
  • Scenario 1 Defined in the configuration file of the first eNodeB: when the first eNodeB receives the first After the node information of the AP, the node information is sent to other eNodeBs adjacent to the first eNodeB, So that in step 102, if the first eNodeB does not receive other information when receiving the node information
  • the identifier of the eNodeB may be sent to the node information of the first AP according to the indication of the configuration file.
  • Other eNodeBs that are themselves adjacent can be considered as the second eNodeB).
  • the first AP may determine before sending its own node information to the first eNodeB. And sending an identifier of the eNodeB that needs to receive the information of the node, and sending the identifier of the eNodeB to the first
  • the eNodeB requests the first eNodeB to send the node information to the second eNodeB corresponding to the identifier. so that In step 102, if the first eNodeB receives the node information, it also receives other The identifier of the eNodeB sends the node information of the first AP to the corresponding eNodeB according to the identifier.
  • the terminal accessing the first AP moves out of the coverage of the first AP, and moves in with the first AP.
  • the location of the terminal needs to be switched, and the terminal will be the first
  • the AP (the source node of the location switch) reports the currently moved second eNodeB (the target node of the location switch) Identification
  • the first AP may send its own node information and the identifier of the second eNodeB to the total
  • the first eNodeB of the station then in step 102, the first eNodeB is based on the identity of the second eNodeB, Sending the node information of the first AP to the second eNodeB, so that the second eNodeB moves in the learned terminal After the previously accessed node, the location switching process of the terminal can be completed correctly.
  • the first AP may determine before sending its own node information to the first eNodeB. Identifying the identity of the second AP that needs to receive the node information, and from the upper layer network element (such as a wireless controller) (Access Controller, AC)), querying the identifier of the second eNodeB that is co-located with the second AP, And sending the identifier of the second eNodeB to the first eNodeB, requesting the first eNodeB to send the node information Send the second eNodeB corresponding to the identifier.
  • the upper layer network element such as a wireless controller) (Access Controller, AC)
  • step 102 if the first eNodeB is receiving Receiving the identifier of the second eNodeB at the same time as the node information, the section of the first AP according to the identifier The point information is sent to the second eNodeB.
  • the terminal accessing the first AP moves out of the coverage of the first AP, and moves into the second AP. After the coverage, the location of the terminal needs to be switched, and the terminal will go to the first AP (source section of the location switch). Point) report the identifier of the second AP (the target node of the location switch) that is currently moved in. At this time, the first AP The second eNodeB identifier shared by the second AP with the second AP may be queried and sent to the first eNodeB, where In step 102, the first eNodeB sends the node information of the first AP according to the identifier of the second eNodeB.
  • the information is sent to the second eNodeB, so that the second eNodeB receives the node information of the first AP and learns
  • the node information of the first AP may be sent to the second AP of the common station, by The second AP correctly completes the location switching process of the terminal.
  • the solution of the first embodiment of the present invention implements that the AP sends its own section to the eNodeB that does not share the station.
  • the process of point information since the communication process between the two devices should be mutual, therefore, the present invention
  • the solution of the second embodiment also provides a process for the eNodeB to send its own node information to the APs that are not co-located.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • an eNodeB sends node information to an AP that does not share a station.
  • Schematic diagram of the signaling process the method mainly includes the following steps:
  • Step 201 The first eNodeB sends its own node information to the second eNodeB.
  • the first eNodeB may be in the manner of step 102 in the first embodiment.
  • the two eNodeBs send their own node information.
  • Step 202 The second eNodeB sends the received node information of the first eNodeB to the self-Node.
  • the second eNodeB can be obtained in the manner of step 103 in the first embodiment.
  • the second AP that the first eNodeB selects to receive the information of the own node may have the following two fields. view:
  • the first eNodeB sends its own node information to each adjacent eNodeB (here adjacent The eNodeB can be regarded as the second eNodeB), and the neighboring eNodeB is required to use the node information of the first eNodeB. Send to the AP of the respective co-site.
  • the first eNodeB determines before sending its own node information to the second eNodeB.
  • the second eNodeB can set the node of the first eNodeB The information is sent to the second AP of the co-site.
  • the location of the terminal needs to be switched.
  • the terminal will report the currently moved second AP to the first eNodeB (the source node of the location switch).
  • the identifier of the target node At this time, the first eNodeB queries from the upper-layer network element to be shared with the second AP.
  • the second AP After the second eNodeB of the station, sending its own node information to the second eNodeB, so that the second eNodeB After the node information of the first eNodeB is sent to the second AP, the second AP can learn the location before the terminal moves in. Access the node and correctly complete the location switching process of the terminal.
  • the first eNodeB is in advance, except that the terminal reports the identity of the second AP to the first eNodeB.
  • the first eNodeB may be based on the end.
  • the measurement report reported by the terminal determines whether the terminal moves into the coverage of the second AP, and when determining that the terminal moves into the first When the coverage of the second AP is reached, the second eNodeB co-located with the second AP may be queried from the upper network element.
  • the first eNodeB passes the transmission capability between the eNodeBs, and The own node information is transmitted to the second eNodeB, and the second eNodeB utilizes the second AP with the co-site
  • the transmission capability between the nodes of the first eNodeB is sent to the second AP, and the eNodeB is implemented.
  • the first embodiment and the second embodiment implement the interaction of node information between the eNodeB and the AP that are not co-located.
  • the process includes but is not limited to applications in the following scenarios:
  • Scenario 1 Establish an indirect transmission link between the eNodeB and the AP that are not co-located.
  • the first AP When establishing an indirect transmission link between an eNodeB and an AP that is not co-located, on the one hand, the first AP The link containing the information of the own node can be transmitted to the second eNodeB that is not co-located in the manner of the first embodiment.
  • the node information of the transmitted first AP may be Therefore, the first AP is relatively fixed node information, such as the SSID of the first AP, the frequency information, etc., so that the second The eNodeB can uniquely determine the first AP according to the received node information of the first AP; on the other hand, the second eNodeB may also perform the method of the second embodiment to the non-co-site.
  • the first AP transmits a link setup response including the information of the own node, so that the first AP can be received according to the received
  • the node information of the second eNodeB uniquely determines the second eNodeB.
  • scenario one there is no real direct connection between the first AP and the second eNodeB, and It is an interaction between the link establishment request and the link establishment response, and the two are mutually determined to be able to communicate with each other. In the actual communication, the information needs to be forwarded through the eNodeB co-located with the AP.
  • the eNodeB can also initiate a link setup request, and then the AP returns the chain.
  • the road establishes a response.
  • Scenario 2 Establish an indirect transmission link between two APs.
  • This scenario 2 is similar to scenario 1.
  • the two APs establish indirect transmissions through the eNodeBs of their respective stations. Transmission link.
  • Scenario 3 Nodes are established between the eNodeB and the AP that are not co-located through the established indirect transmission link. Update of information.
  • scenario three There are two situations in scenario three.
  • the first case is that the node that updates the node information initiates actively.
  • the update process such as:
  • the second case is that the node that has updated the node information passively sends the updated node information, such as:
  • the AP may send an update request to the other eNodeBs that establish the indirect transmission link through the co-station eNodeB.
  • the eNodeB that receives the update request will update the node information when the local node information changes.
  • the information is returned to the AP through the eNodeB of the AP co-site.
  • the process by which the eNodeB initiates an update request is similar.
  • the present invention is implemented.
  • the example is not limited to the seamless switching scenario of the terminal service by using the solutions of the first embodiment and the second embodiment.
  • the plane switches from the AP to the eNodeB that is not co-located, and the terminal switches from the eNodeB to the non-co-located station.
  • the scenario where the AP and the terminal switch from one AP to another is taken as an example and described separately.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • a schematic diagram of handover signaling the method comprising the following steps:
  • Step 301 When the terminal moves out of the coverage of the first AP, and moves to the second eNodeB. The coverage of the second eNodeB identifier is reported by the terminal to the first AP.
  • the terminal can measure the node where it resides in real time, and when the terminal is removed, When the coverage of an AP is moved into the coverage of the second eNodeB (eg, the terminal is measured first) The edge of the AP covers the area and enters the coverage area of the second eNodeB), and the terminal will be the current resident An AP (the source node of the location switch) initiates a handover request and carries a destination section of the location switch therein Point the identity of the second eNodeB.
  • Step 302 The first AP sends its own node information and a service letter generated by the terminal on the first AP.
  • the information is sent to the first eNodeB of the co-site.
  • This step 302 is a method for the first eNodeB to acquire node information and service information of the first AP. In this manner, the step 302 is not limited to the first eNodeB requesting to acquire the first AP from the first AP. The way node information and business information.
  • the first AP and the second eNodeB have been in accordance with the embodiment.
  • the first AP may be in the step 302.
  • the node information of the first eNodeB is no longer sent.
  • Some services may be requested because the terminal resides in the first AP, such as the terminal passing the first AP.
  • the data download service is executed, and therefore, in order to ensure the seamless connection of the terminal before and after the node switching,
  • the first AP needs to notify the second eNodeB that the terminal is to access to the service information generated by the terminal, so as to facilitate After the terminal accesses, the second eNodeB can continue to provide corresponding services for the terminal.
  • the service information package Including but not limited to context information, data packets for the service that have arrived at the first AP, etc., such that the second The eNodeB can continue to provide services to the terminal by using the received context information, and can receive the received number. According to the packet, it is sent to the terminal to ensure that the terminal does not lose packets during the download process.
  • Step 303 The first eNodeB sends the node information and service information of the first AP to the second.
  • the eNodeB identifies the corresponding second eNodeB.
  • the information can be transmitted between two eNodeBs in the manner of Embodiment 1. Handed.
  • Step 304 The second eNodeB determines, according to the received node information, that the terminal location is switched before the handover. Enter the first AP.
  • Step 305 The second eNodeB completes the service of the terminal from the first AP according to the received service information. Switch to the second eNodeB.
  • the second eNodeB determines the first AP and the end of the node before the terminal handover. After the service information in the first AP is terminated, the service cut of the terminal can be implemented according to the existing service switching process. change.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • a schematic diagram of handover signaling the method comprising the following steps:
  • Step 401 When the terminal moves out from the coverage of the first eNodeB, and moves to the second AP. The coverage of the second AP identifier is reported by the terminal to the first eNodeB.
  • Step 402 The first eNodeB queries, from the upper layer network, the identifier corresponding to the second AP identifier.
  • the second eNodeB of the second AP co-site.
  • Step 403 The first eNodeB generates its own node information and the terminal on the first eNodeB.
  • the service information is sent to the second eNodeB.
  • the first eNodeB and the second AP have been in accordance with the embodiment. After the node information is transmitted in the solution of the second embodiment, the first eNodeB is in the step 403. It is no longer possible to send its own node information to the second eNodeB.
  • the information can be transmitted between two eNodeBs in the manner of Embodiment 1. Handed.
  • Step 404 The second eNodeB sends the node information and service information of the first eNodeB to the total The second AP of the station.
  • Step 405 The second AP determines, according to the received node information, that the terminal is connected before the location is switched.
  • the first eNodeB The first eNodeB.
  • Step 406 The second AP completes the service of the terminal according to the received service information from the first eNodeB. Switch to the second AP.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • Step 501 When the terminal moves out from the coverage of the first AP, and moves to the coverage of the second AP. When the coverage is in the range, the terminal reports the handover request carrying the second AP identifier to the first AP.
  • Step 502 The first AP queries, from the upper-layer network, a second corresponding to the second AP identifier.
  • the second eNodeB of the AP co-site.
  • Step 503 The first AP sends its own node information and a service letter generated by the terminal on the first AP.
  • the information is sent to the first eNodeB of the co-site.
  • This step 503 is a method for the first eNodeB to acquire node information and service information of the first AP. In this manner, this step is not limited to the node that the first eNodeB actively requests the first AP from the first AP. How information and business information are implemented.
  • Step 504 The first eNodeB sends the node information and the service information of the first AP to the second. eNodeB.
  • Step 505 The second eNodeB sends the node information and service information of the first AP to the co-site. Second AP.
  • Step 506 The second AP determines, according to the received node information, that the terminal is connected before the location is switched. First AP.
  • Step 507 The second AP completes the service of the terminal from the first AP according to the received service information. Switching of the second AP.
  • Embodiment 6 of the present invention further provides a transmission node that belongs to the same inventive concept as Embodiment 1.
  • a system of information the system comprising a first eNodeB, a first AP co-located with the first eNodeB, and The first AP does not share the second eNodeB, where:
  • the first AP is configured to send its own node information to the first eNodeB; the first eNodeB is used to connect Receiving node information of the first AP, and transmitting node information of the first AP to the second eNodeB; The eNodeB is configured to receive node information of the first AP.
  • system may further include a second AP that is co-located with the second eNodeB, and is configured to receive Node information of the first AP sent by the second eNodeB.
  • the transmission mode between the nodes in the sixth embodiment is the same as the description of each step in the first embodiment. I won't go into details here.
  • the seventh embodiment of the present invention further provides a transmission node that belongs to the same inventive concept as the second embodiment.
  • a system of information the system comprising a first eNodeB, a second eNodeB, and a second eNodeB co-station AP, where:
  • the first eNodeB is configured to send its own node information to the second eNodeB; Receiving the node information of the first eNodeB, and sending the information to the AP; the AP is configured to receive the first eNodeB Node information.
  • the transmission mode between the nodes in the seventh embodiment is the same as the description in each step in the second embodiment. I won't go into details here.
  • Embodiment 8 of the present invention further provides a service switching under the same inventive concept as Embodiment 3 a system, the system comprising a first eNodeB, an AP co-located with the first eNodeB, and a second eNodeB, among them:
  • the first eNodeB is configured to receive, at the AP, the handover that is carried by the terminal and carries the eNodeB identifier. Obtaining time, acquiring node information of the AP and service information generated by the terminal on the AP, and sending the information to the The eNodeB identifies a corresponding second eNodeB; the second eNodeB is configured to use the node according to the received AP.
  • the information determines the AP accessed by the terminal before the handover, and completes the service of the terminal according to the received service information. Switching from the AP to the second eNodeB.
  • the AP can be used to receive the handover request that carries the eNodeB identifier reported by the terminal. Sending its own node information to the first eNodeB and the service information generated by the terminal on the AP, so that The first eNodeB can obtain the node information of the AP and the service information generated by the terminal on the AP.
  • the transmission mode between the nodes in the eighth embodiment is the same as the description of each step in the third embodiment. I won't go into details here.
  • Embodiment 9 of the present invention further provides a service switching under the same inventive concept as Embodiment 4 a system, the system comprising a first eNodeB, a second eNodeB, and an AP co-located with the second eNodeB, among them:
  • the first eNodeB is configured to: when receiving the handover request that carries the AP identifier reported by the terminal, Sending its own node information and service information generated by the terminal on the first eNodeB to the AP Identifying a second eNodeB of the corresponding AP co-site; the second eNodeB is configured to receive the section of the first eNodeB Point information and service information, and sent to the AP of the co-station; the AP is used to determine according to the received node information The first eNodeB accessed before the terminal switches, and completes the service of the terminal according to the received service information. Switching from the first eNodeB to the AP.
  • the transmission mode between the nodes in the ninth embodiment is the same as the description of each step in the fourth embodiment. I won't go into details here.
  • Embodiment 10 of the present invention further provides a service switching under the same inventive concept as Embodiment 5 a system, the system comprising a first eNodeB, a first AP co-located with the first eNodeB, and a second An eNodeB, a second AP co-located with the second eNodeB, where:
  • the first eNodeB is configured to receive, by the first AP, a packet that is reported by the terminal and carries the second AP identifier.
  • the node information of the first AP and the service information generated by the terminal on the first AP are obtained, and Sending to a second eNodeB of the second AP co-station corresponding to the second AP identifier;
  • the second eNodeB And receiving the node information and the service information of the first AP, and sending the information to the second AP;
  • the second AP is used for the root Determining, according to the received node information, the first AP accessed before the terminal switches, and according to the received service
  • the information completes the handover of the service of the terminal from the first AP to the second AP.
  • the first AP may be used to receive the handover of the second AP identifier that is reported by the terminal. Sending the node information and the service information generated by the terminal on the first AP to the first request
  • the eNodeB enables the first eNodeB to acquire the node information of the first AP and the terminal generated on the first AP.
  • Business information
  • the transmission mode between the nodes in the tenth embodiment is the same as the description of each step in the fifth embodiment. I won't go into details here.
  • embodiments of the present application can be provided as a method, system, or meter Computer program product. Therefore, the present application can employ an entirely hardware embodiment, an entirely software embodiment, or a junction. In the form of an embodiment of the software and hardware aspects. Moreover, the application can be packaged in one or more of them.
  • Computer usable storage media containing computer usable program code including but not limited to disk storage, The form of a computer program product implemented on a CD-ROM, optical memory, or the like.
  • the present application is made with reference to a method, a device (system), and a computer program according to an embodiment of the present application.
  • the flow chart and/or block diagram of the product is described. It should be understood that the flowcharts and / or each flow and / or box in the block diagram, and the flow in the flowchart and / or block diagram and / Or a combination of boxes.
  • These computer program instructions can be provided to general purpose computers, special purpose computers, embedded Processor or other programmable data processing device processor to generate a machine for calculation Instructions executed by a processor of a machine or other programmable data processing device are generated for implementation in flowchart one Means of a process or a plurality of processes and/or block diagrams of a function specified in a block or blocks.
  • These computer program instructions can also be stored in a bootable computer or other programmable data processing device.
  • a computer readable memory that operates in a particular manner, such that it is stored in the computer readable memory
  • the instructions are generated to include an article of manufacture of the instruction device, the instruction device being implemented in one or more of the flowcharts
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that Have to perform a series of operational steps on a computer or other programmable device to create a computer-implemented place
  • the instructions that are executed on a computer or other programmable device are provided for implementation in a flowchart The steps of a function or a plurality of processes and/or block diagrams of a function specified in a box or blocks.

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Abstract

本发明公开了一种传输节点信息的方法和系统、业务切换的方法和系统，主要内容包括：利用共站的ΑΡ和基站节点之间信息传输的能力，由基站节点作为与自身共站的ΑΡ和其他基站节点之间进行信息传递的桥梁，将与自身共站的ΑΡ的信息转发给与该ΑΡ不共站的其他基站节点，并将其他基站节点的信息转发回共站的ΑΡ，使不共站的ΑΡ和基站节点之间能够间接通信，实现了不共站的ΑΡ和基站节点之间真正意义上的互操作，进一步地，不共站的ΑΡ和基站节点之间可进行终端无缝切换所需的信息交互，实现终端在不共站的ΑΡ和基站节点之间的无缝切换。

Description

一种传输节点信息以及业务切换的方法和系统
本申请要求于2013年4月3日提交中国专利局、申请号为201310114324.3、 发明名称为“一种传输节点信息以及业务切换的方法和系统”的中国专利申请 的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域，尤其涉及一种传输节点信息的方法和系统，以 及进行业务切换的方法和系统。
背景技术
长期演进标准(Time Division Long term evaluation，LTE)是下一代主流 的蜂窝移动通信技术，将会大规模的部署应用，而无线局域网(Wireless Local  AreaNetwork，WLAN)技术作为蜂窝移动技术的有力补充，在热点覆盖、室 内覆盖等场景下也广泛部署应用。如何较好地实现LTE网络中的基站 (eNodeB)和WLAN网络中接入点(Access Point，AP)之间的互操作，以 提高无线资源的利用效率，是目前面临的重要问题。
在第三代移动通信标准化组织(3rd Generation Partnership Project，3GPP) 标准中，eNodeB和AP有两种部署方式，可分别称之为不共站的部署方式和 共站的部署方式：
在不共站的部署方式下，eNodeB和AP之间没有通信接口，不能进行信 息传输，如图1所示。
在共站的部署方式下，eNodeB和AP之间有私有的通信接口，能够进行 私有信息的传输，如图2所示。例如，同一设备制造商生产的eNodeB和AP 之间可设置私有接口，eNodeB和AP通过该私有接口传输该设备制造商订制 的私有信息，eNodeB私有接口和AP的私有接口之间可通过有线(光纤)方 式或无线方式进行私有信息的传输。
不论eNodeB和AP之间共站部署还是不共站部署，在物理上两个设备之 间不存在必然的位置关系，例如，在共站的部署方式下，具有私有接口的 eNodeB和AP之间的物理距离可以较远(如相隔1公里)，在不共站的部署方 式下，eNodeB和AP之间的物理距离可以较近(如AP位于eNodeB的覆盖范 围内)。
综上所述，由于目前只有共站部署的eNodeB和AP之间可通过私有接口 传输有限的私有信息，不共站部署的AP和eNodeB之间无法进行节点信息的 传递，即AP无法将自身的节点信息传递给不共站的eNodeB，eNodeB也无法 将自身的节点信息传递给不共站的eNodeB，AP和eNodeB之间无法实现真正 意义上的互操作。由于AP和eNodeB之间没有实现互操作，导致终端在AP 和eNodeB之间的无缝切换等操作也无法实现，有损无线资源的利用效率。
发明内容
本发明实施例提供了一种传输节点信息的方法和系统，用以解决现有技术 中存在的不共站的AP和eNodeB之间无法实现节点信息的传输问题。
一种传输节点信息的方法，所述方法包括：
第一基站节点获取与自身共站的第一接入点AP的节点信息；
第一基站节点将第一AP的节点信息发送给与所述第一AP不共站的第二 基站节点。
一种传输节点信息的方法，所述方法包括：
第一基站节点接收第二基站节点发送的该第二基站节点的节点信息；
第一基站将接收到的第二基站节点的节点信息发送给与自身共站的接入 点AP。
一种传输节点信息的系统，所述系统包括第一基站节点、与第一基站节点 共站的第一接入点AP、与第一AP不共站的第二基站节点，其中：
第一基站节点，用于获取第一AP的节点信息，并将该第一AP的节点信 息发送给第二基站节点；
第二基站节点，用于接收第一AP的节点信息。
一种传输节点信息的系统，所述系统包括第一基站节点、第二基站节点、 与第二基站节点共站的接入点AP，其中：
第一基站节点，用于向第二基站节点发送自身的节点信息；
第二基站节点，用于接收第一基站节点的节点信息，并发送给AP；
AP，用于接收所述第一基站节点的节点信息。
本发明的有益效果如下：
利用共站的AP和eNodeB之间信息传输的能力，由eNodeB作为与自身 共站的AP和其他eNodeB之间进行信息传递的桥梁，将与自身共站的AP的 信息转发给与该AP不共站的其他eNodeB，并将其他eNodeB的信息转发回共 站的AP，使不共站的AP和eNodeB之间能够间接通信，实现了不共站的AP 和eNodeB之间真正意义上的互操作。
本发明实施例还提供了一种业务切换的方法和系统，用以解决现有技术中 存在的终端在不共站的AP和eNodeB之间无法进行无缝切换的问题。
一种业务切换的方法，所述方法包括：
与接入点AP共站的第一基站节点获取该AP的节点信息和终端在所述AP 上产生的业务信息，所述AP的节点信息和业务信息是AP接收到终端上报的 携带有基站节点标识的切换请求后获取的；
第一基站节点将AP的节点信息和业务信息发送给所述基站节点标识对应 的第二基站节点，要求第二基站节点根据接收到的AP的节点信息确定终端切 换前所接入的AP，并根据接收到的业务信息完成终端的业务从AP至第二基 站节点的切换。
一种业务切换的方法，所述方法包括：
第一基站节点接收与第二AP共站的第二基站节点发送的第二AP的节点 信息和终端在第二AP上产生的业务信息，所述第二AP的节点信息和业务信 息是第二AP在接收到终端上报的携带有第一AP标识的切换请求后，第二基 站节点获取的；
第一基站节点将接收到的第二AP的节点信息和业务信息发送给共站的第 一AP，要求第一AP根据接收到的第二AP的节点信息确定终端切换前所接入 的第二AP，并根据接收到的业务信息完成终端的业务从第二AP至第一AP 的切换。
一种业务切换的方法，所述方法包括：
第一基站节点接收第二基站节点发送的第二基站节点的节点信息和终端 在第二基站节点上产生的业务信息，所述第二基站节点的节点信息和业务信息 是第二基站节点在接收到终端上报的携带有AP标识的切换请求时，发送给与 该AP标识对应的AP共站的第一基站节点的；
第一基站节点将第二基站节点的节点信息和业务信息发送给共站的AP， 要求所述AP根据接收到的节点信息确定终端切换前所接入的第二eNodeB， 并根据接收到的业务信息完成终端的业务从第二基站节点至AP的切换。
一种业务切换系统，所述系统包括第一基站节点、与第一基站节点共站的 接入点AP、第二基站节点，其中：
第一基站节点，用于在AP接收到终端上报的携带有基站节点标识的切换 请求时，获取AP的节点信息和终端在AP上产生的业务信息，并发送给所述 基站节点标识对应的第二基站节点；
第二基站节点，用于根据接收到的AP的节点信息确定终端切换前所接入 的AP，并根据接收到的业务信息完成终端的业务从AP至第二基站节点的切 换。
一种业务切换系统，所述系统包括第一基站节点、与第一基站节点共站的 第一接入点AP、第二基站节点、与第二基站节点共站的第二AP，其中：
第一基站节点，用于在第一AP接收到终端上报的携带有第二AP标识的 切换请求时，获取第一AP的节点信息和终端在第一AP上产生的业务信息， 并发送给与所述第二AP标识对应的第二AP共站的第二基站节点；
第二基站节点，用于接收第一AP的节点信息和业务信息，并发送给第二 AP；
第二AP，用于根据接收到的第一AP的节点信息确定终端切换前所接入 的第一AP，并根据接收到的业务信息完成终端的业务从第一AP至第二AP 的切换。
一种业务切换系统，所述系统包括第一基站节点、第二基站节点、与第二 基站节点共站的接入点AP，其中：
第一基站节点，用于在接收到终端上报的携带有AP标识的切换请求时， 将自身的节点信息和终端在第一基站节点上产生的业务信息，发送给与该AP 标识对应的AP共站的第二基站节点；
第二基站节点，用于接收第一基站节点的节点信息和业务信息，并发送给 共站的AP；
AP，用于根据接收到的节点信息确定终端切换前所接入的第一基站节点， 并根据接收到的业务信息完成终端的业务从第一基站节点至AP的切换。
本发明有益效果如下：
利用eNodeB实现与自身共站的AP和其他eNodeB之间的间接连接，实 现终端在不共站的AP和eNodeB之间进行无缝切换所需的信息交互，进而可 实现终端在不共站的AP和eNodeB之间的无缝切换，保证了终端业务的连续 性。
附图说明
图1为背景技术中不共站的eNodeB和AP部署示意图；
图2为背景技术中共站的eNodeB和AP部署示意图；
图3为本发明实施例一中AP向不共站的eNodeB发送节点信息的信令流 程示意图；
图4(a)、图4(b)为X2接口协议栈的控制面协议示意图；
图5为本发明实施例二中eNodeB向不共站的AP发送节点信息的信令流 程示意图；
图6为本实施例三中终端从AP切换至不共站的eNodeB的业务切换信令 示意图；
图7为本实施例四中终端从eNodeB切换至不共站的AP的业务切换信令 示意图；
图8为本实施例五中终端从第一AP切换至第二AP的业务切换信令示意 图。
具体实施方式
本发明实施例利用共站的AP和基站节点之间能够通过私有接口进行信息 传输的能力，由基站节点作为与自身共站的AP和其他基站节点之间进行信息 传递的桥梁，将与自身共站的AP的信息转发给与该AP不共站的其他基站节 点，并将其他基站节点的信息转发回共站的AP，使不共站的AP和基站节点 之间能够间接通信，实现了不共站的AP和基站节点之间真正意义上的互操作。
本发明中涉及的基站节点可以是eNodeB，为方便描述，后续实施例中以 基站节点为eNodeB为例来进行说明。
需要说明的是，在本发明各实施例的方案中，利用第一、第二是对AP和 eNodeB的区分，并不对AP和eNodeB的性能、位置关系等进行限定。为了方 便描述，可设定第一AP和第一eNodeB共站，第二AP和第二eNodeB共站， 第一AP和第二eNodeB不共站，第二AP和第一eNodeB不共站。
特殊地，本发明各实施例中涉及的AP和eNodeB可以是同时具有AP和 eNodeB功能的设备，如具有eNodeB／AP双重模式的设备，在此情况下，设备 需工作在某一模式下，当设备工作在eNodeB模式时，该设备看作是eNodeB， 当设备工作在AP模式时，该设备看作是AP，同时，在进行节点信息的传输 时，设备需事先与传输对端进行协商，使对端能够确定该设备当前所处模式。
下面结合说明书附图对本发明实施例的方案进行详细描述。
实施例一：
如图3所示，为本发明实施例一中AP向不共站的eNodeB发送节点信息 的信令流程示意图，所述方法主要包括以下步骤：
步骤101：第一eNodeB获取与自身共站的第一AP的节点信息。
第一AP发送的节点信息可以包括但不限于第一AP的SSID、频点信息、 负载状态信息、版本号以及第一AP覆盖范围等信息。
本步骤的一种可行的实施方式为，第一AP通过与第一eNodeB之间的私 有接口向第一eNodeB发送自身的节点信息。本步骤中第一eNodeB也不限于 通过其他方式获取第一AP的节点信息，如第一eNodeB主动向第一AP请求 其节点信息。
步骤102：第一eNodeB将接收到的第一AP的节点信息发送给与第一AP 不共站的第二eNodeB。
在本实施例的方案中，第一eNodeB和第二eNodeB之间可通过自身的X2 接口进行通信，如图4(a)所示，为X2接口协议栈的控制面协议示意图。由 于在标准的X2接口协议中，并没有定制传输AP节点信息(即与WLAN相关 的节点信息)的规范，因此，在本实施例一的方案中，第一eNodeB在通过 X2接口向第二eNodeB发送第一AP的节点信息时，可将第一AP的节点信息 携带在基于X2协议所产生的数据包中，具体地，可携带在数据包的X2-AP 层。在某些版本的X2协议栈中最上层可以是X2-U层，如图4(b)所示，在 此情况下，第一eNodeB可将第一AP的节点信息携带在数据包的X2-U中并 发送。
本实施例一中eNodeB之间通过X2接口进行传输是本实施例的可选方案， 本实施例并不限于通过eNodeB之间其他已知接口或是新增接口来传输节点信 息。
步骤103：第二eNodeB接收第一AP的节点信息。
在本步骤103中，第二eNodeB可通过自身的X2接口来接收第一eNodeB 发送的第一AP的节点信息，具体地，如果在步骤102中，第一eNodeB将第 一AP的节点信息携带在X2-AP层中，则第二eNodeB通过X2接口接收到来 自第一eNodeB的数据包后，可从X2-AP层中读取第一AP的节点信息。
通过本实施例一中步骤101～步骤103的方案，第一AP的节点信息通过共 站的第一eNodeB间接发送至不共站的第二eNodeB处，实现了AP将自身的 节点信息发送至不共站的eNodeB处的目的。
步骤104：第二eNodeB将接收到的第一AP的节点信息发送给与自身共 站的第二AP。
本步骤104在步骤101至步骤103的基础上，再次利用共站的AP和 eNodeB之间可通过私有接口通信的能力，通过第二eNodeB的转发，将与第 二AP不相关的第一AP的节点信息发送到了第二AP处，间接实现了AP之间 节点信息的传递，可有效提高无线资源的利用率。
较优地，第一eNodeB选择接收第一AP节点信息的第二eNodeB可有以 下三种场景：
场景一：在第一eNodeB的配置文件中定义：当第一eNodeB接收到第一 AP的节点信息后，将该节点信息发送给与第一eNodeB相邻的其他eNodeB， 使得在步骤102中，若第一eNodeB在接收到节点信息时没有接收到其他 eNodeB的标识，则可按照配置文件的指示，将第一AP的节点信息发送给与 自身相邻的其他eNodeB(这里的其他eNodeB可视为第二eNodeB)。
场景二：第一AP可以在向第一eNodeB发送自身的节点信息之前，确定 出需要接收该节点信息的eNodeB的标识，并将eNodeB的标识发送给第一 eNodeB，要求第一eNodeB将节点信息发送给标识对应的第二eNodeB。以便 于在步骤102中，若第一eNodeB在接收到节点信息的同时还接收到其他 eNodeB的标识，则根据标识将第一AP的节点信息发送给对应的eNodeB。
例如，当接入第一AP的终端移出第一AP的覆盖范围，并移入与第一AP 不共站的第二eNodeB的覆盖范围后，需进行终端的位置切换，终端将向第一 AP(位置切换的源节点)上报当前移入的第二eNodeB(位置切换的目标节点) 的标识，此时，第一AP可将自身的节点信息和第二eNodeB的标识发送给共 站的第一eNodeB，则在步骤102中，第一eNodeB根据第二eNodeB的标识， 将第一AP的节点信息发送给第二eNodeB，使得第二eNodeB在获知终端移入 前所接入的节点后，可正确完成终端的位置切换过程。
场景三：第一AP可以在向第一eNodeB发送自身的节点信息之前，确定 出需要接收该节点信息的第二AP的标识，并从上层网元(如无线控制器 (Access Controller，AC))中查询出与第二AP共站的第二eNodeB的标识， 并将第二eNodeB的标识发送给第一eNodeB，要求第一eNodeB将节点信息发 送给标识对应的第二eNodeB。以便于在步骤102中，若第一eNodeB在接收 到节点信息的同时还接收到第二eNodeB的标识，则根据标识将第一AP的节 点信息发送给第二eNodeB。
例如，当接入第一AP的终端移出第一AP的覆盖范围，并移入与第二AP 的覆盖范围后，需进行终端的位置切换，终端将向第一AP(位置切换的源节 点)上报当前移入的第二AP(位置切换的目标节点)的标识，此时，第一AP 可向AC查询与第二AP共站的第二eNodeB标识，并发送给第一eNodeB，则 在步骤102中，第一eNodeB根据第二eNodeB的标识，将第一AP的节点信 息发送给第二eNodeB，使得第二eNodeB在接收到第一AP的节点信息且获知 终端需接入第二AP时，可将第一AP的节点信息发送给共站的第二AP，由第 二AP正确完成终端的位置切换过程。
本发明实施例一的方案实现的是由AP向不共站的eNodeB发送自身的节 点信息的过程，由于两个设备之间的通信过程应当是相互的，因此，本发明实 施例二的方案还提供了由eNodeB向不共站的AP发送自身节点信息的过程。
实施例二：
如图5所示，为本发明实施例二中eNodeB向不共站的AP发送节点信息 的信令流程示意图，所述方法主要包括以下步骤：
步骤201：第一eNodeB向第二eNodeB发送自身的节点信息。
在本步骤201中，第一eNodeB可按照实施例一中步骤102的方式来向第 二eNodeB发送自身的节点信息。
步骤202：第二eNodeB将接收到的第一eNodeB的节点信息发送给与自 身共站的第二AP。
在本步骤202中，第二eNodeB可按照实施例一中步骤103的方式来获取 第一eNodeB发送的节点信息，并通过与共站的第二AP之间的私有接口，将 第一eNodeB的节点信息发送给第二AP。
较优地，第一eNodeB选择接收自身节点信息的第二AP可有以下二种场 景：
场景一：
第一eNodeB将自身的节点信息发送给各相邻的eNodeB(这里相邻的 eNodeB可视为第二eNodeB)，要求相邻的eNodeB将第一eNodeB的节点信息 发送给各自共站的AP。
场景二：第一eNodeB在向第二eNodeB发送自身的节点信息之前，确定 出需要接收该节点信息的AP的标识，并从上层网元(如操作维护中心(OMC)) 处查询出与该标识对应的AP共站的第二eNodeB，并将自身的节点标识发送 给第二eNodeB。以便于在步骤202中，第二eNodeB可将第一eNodeB的节点 信息发送给共站的第二AP。
例如，当接入第一eNodeB的终端移出第一eNodeB的覆盖范围，并移入 与第一eNodeB不共站的第二AP的覆盖范围后，需进行终端的位置切换，终 端将向第一eNodeB(位置切换的源节点)上报当前移入的第二AP(位置切换 的目标节点)的标识，此时，第一eNodeB从上层网元中查询出与第二AP共 站的第二eNodeB后，将自身的节点信息发送给第二eNodeB，使得第二eNodeB 将第一eNodeB的节点信息发送给第二AP后，第二AP可获知终端移入前所 接入的节点，并正确完成终端的位置切换过程。
除了终端向第一eNodeB上报第二AP的标识外，第一eNodeB如果预先 通过实施例一的方式获知第二AP的覆盖范围信息，则第一eNodeB可根据终 端上报的测量报告确定终端是否移入第二AP的覆盖范围，当确定终端移入第 二AP的覆盖范围时，可从上层网元处查询出与该第二AP共站的第二eNodeB。
通过本实施例二的方案，第一eNodeB通过eNodeB之间的传输能力，将 自身的节点信息传输至第二eNodeB，再由第二eNodeB利用与共站的第二AP 之间的传输能力，将第一eNodeB的节点信息发送至第二AP处，实现了eNodeB 将自身的节点信息发送至不共站的AP处。当本实施例二的方案和实施例一的 方案结合在一起时，可实现不共站的eNodeB和AP之间节点信息的交互，达 到真正意义上的互操作。
本实施例一和实施例二实现不共站的eNodeB和AP之间节点信息的交互 过程包括但不限于应用在以下场景中：
场景一：建立不共站的eNodeB和AP之间间接的传输链路。
在建立不共站的eNodeB和AP之间间接的传输链路时，一方面，第一AP 可按照实施例一的方式向不共站的第二eNodeB传输包含自身节点信息的链路 建立请求，由于是传输链路的建立过程，因此，传输的第一AP的节点信息可 以是第一AP较为固定的节点信息，如第一AP的SSID、频点信息等，使第二 eNodeB根据接收到的第一AP的节点信息可唯一确定该第一AP；另一方面， 第二eNodeB在接收到链路建立请求后，也可通过实施例二的方式向不共站的 第一AP传输包含自身节点信息的链路建立响应，使第一AP可根据接收到的 第二eNodeB的节点信息唯一确定该第二eNodeB。
在场景一中，第一AP与第二eNodeB之间并没有真正建立直接连接，而 是通过链路建立请求和链路建立响应的交互，两者互相确定可与对方进行通 信，在实际通信中，还需通过与AP共站的eNodeB进行信息的转发。
当然，在此场景下也可以由eNodeB发起链路建立请求，再由AP返回链 路建立响应。
场景二：建立两个AP之间间接的传输链路。
本场景二与场景一类似，两个AP通过各自共站的eNodeB建立间接的传 输链路。
场景三：不共站的eNodeB和AP之间通过建立的间接传输链路进行节点 信息的更新。
场景三可以有两种情况，第一种情况是发生节点信息更新的节点主动发起 更新过程，如：
第二种情况是发生节点信息更新的节点被动发出更新后的节点信息，如： AP可通过共站的eNodeB向建立间接传输链路的其他eNodeB发送更新请求， 接收到更新请求的eNodeB在本地的节点信息发生变化时，将更新后的节点信 息通过AP共站的eNodeB返回给AP。eNodeB发起更新请求的过程类似。
除了上述三种利用实施例一和实施例二的方案实现的场景外，本发明实施 例也不限于利用实施例一和实施例二的方案进行终端业务的无缝切换场景，下 面分别以终端从AP切换至不共站的eNodeB、终端从eNodeB切换至不共站的 AP、终端从一个AP切换至另一个AP三个场景为例，分别加以说明。
实施例三：
如图6所示，为本实施例三中终端从AP切换至不共站的eNodeB的业务 切换信令示意图，所述方法包括以下步骤：
步骤301：当终端从第一AP的覆盖范围内移出，并移入至第二eNodeB 的覆盖范围时，终端向第一AP上报携带有第二eNodeB标识的切换请求。
在本实施例中，终端可实时测量自身所驻留的节点，当测量出终端移出第 一AP的覆盖范围且移入第二eNodeB的覆盖范围时(如终端测量出位于第一 AP的边缘覆盖区域且进入第二eNodeB的覆盖区域)，终端将向当前驻留的第 一AP(位置切换的源节点)发起切换请求，并在其中携带位置切换的目的节 点第二eNodeB的标识。
步骤302：第一AP将自身的节点信息和终端在第一AP上产生的业务信 息发送给共站的第一eNodeB。
本步骤302是第一eNodeB获取第一AP的节点信息和业务信息的一种实 现方式，本步骤302也不限于由第一eNodeB主动向第一AP请求获取第一AP 的节点信息和业务信息的方式。
若在执行本实施例三的方案之前，第一AP和第二eNodeB已按照实施例 一和实施例二的方案进行过节点信息的传输，则本步骤302中，第一AP可以 不再向第一eNodeB发送自身的节点信息。
由于终端驻留在第一AP时可能请求了某些业务，如终端通过第一AP正 在执行数据下载业务，因此，为了保证终端在节点切换前后业务的无缝连接， 第一AP需将终端产生的业务信息通知给终端待接入的第二eNodeB，以便于 第二eNodeB在终端接入后能够为终端继续提供相应的业务。所述业务信息包 括但不限于上下文信息、已到达第一AP的针对该业务的数据包等，使得第二 eNodeB可利用接收到的上下文信息继续为终端提供业务，且可将接收到的数 据包发送给终端，保证终端下载过程不丢包。
步骤303：第一eNodeB将第一AP的节点信息和业务信息发送给第二 eNodeB标识对应的第二eNodeB。
在本步骤中，可按照实施例一中的方式实现信息在两个eNodeB之间的传 递。
步骤304：第二eNodeB根据接收到的节点信息确定终端位置切换前所接 入的第一AP。
步骤305：第二eNodeB根据接收到的业务信息完成终端的业务从第一AP 至第二eNodeB的切换。
在本步骤305中，第二eNodeB在确定终端切换前的节点第一AP以及终 端在第一AP中的业务信息后，可按照现有的业务切换流程实现终端的业务切 换。
实施例四：
如图7所示，为本实施例四中终端从eNodeB切换至不共站的AP的业务 切换信令示意图，所述方法包括以下步骤：
步骤401：当终端从第一eNodeB的覆盖范围内移出，并移入至第二AP 的覆盖范围时，终端向第一eNodeB上报携带有第二AP标识的切换请求。
步骤402：第一eNodeB从上层网络中查询出与所述第二AP标识对应的 第二AP共站的第二eNodeB。
步骤403：第一eNodeB将自身的节点信息和终端在第一eNodeB上产生 的业务信息发送给第二eNodeB。
若在执行本实施例四的方案之前，第一eNodeB和第二AP已按照实施例 一和实施例二的方案进行过节点信息的传输，则本步骤403中，第一eNodeB 可以不再向第二eNodeB发送自身的节点信息。
在本步骤中，可按照实施例一中的方式实现信息在两个eNodeB之间的传 递。
步骤404：第二eNodeB将第一eNodeB的节点信息和业务信息发送给共 站的第二AP。
步骤405：第二AP根据接收到的节点信息确定终端位置切换前所接入的 第一eNodeB。
步骤406：第二AP根据接收到的业务信息完成终端的业务从第一eNodeB 至第二AP的切换。
实施例五：
如图8所示，为本实施例五中终端从第一AP切换至第二AP的业务切换 信令示意图，所述方法包括以下步骤：
步骤501：当终端从第一AP的覆盖范围内移出，并移入至第二AP的覆 盖范围时，终端向第一AP上报携带有第二AP标识的切换请求。
步骤502：第一AP从上层网络中查询出与所述第二AP标识对应的第二 AP共站的第二eNodeB。
步骤503：第一AP将自身的节点信息和终端在第一AP上产生的业务信 息发送给共站的第一eNodeB。
本步骤503是第一eNodeB获取第一AP的节点信息和业务信息的一种实 现方式，本步骤也不限于由第一eNodeB主动向第一AP请求第一AP的节点 信息和业务信息的实现方式。
步骤504：第一eNodeB将第一AP的节点信息和业务信息发送给第二 eNodeB。
步骤505：第二eNodeB将第一AP的节点信息和业务信息发送给共站的 第二AP。
步骤506：第二AP根据接收到的节点信息确定终端位置切换前所接入的 第一AP。
步骤507：第二AP根据接收到的业务信息完成终端的业务从第一AP至 第二AP的切换。
通过本实施例三至实施例四的方案，可利用AP和不共站的eNodeB之间 的间接连接，实现终端在AP和eNodeB之间的无缝切换，保证了终端业务的 连续性。
实施例六：
本发明实施例六还提供一种与实施例一属于同一发明构思下的传输节点 信息的系统，所述系统包括第一eNodeB、与第一eNodeB共站的第一AP、与 第一AP不共站的第二eNodeB，其中：
第一AP用于向第一eNodeB发送自身的节点信息；第一eNodeB用于接 收第一AP的节点信息，并将该第一AP的节点信息发送给第二eNodeB；第二 eNodeB用于接收第一AP的节点信息。
进一步地，系统中还可以包含与第二eNodeB共站的第二AP，用于接收 第二eNodeB发送的第一AP的节点信息。
本实施例六中各节点之间的传输方式与实施例一中各步骤的描述相同，此 处不再赘述。
实施例七：
本发明实施例七还提供一种与实施例二属于同一发明构思下的传输节点 信息的系统，所述系统包括第一eNodeB、第二eNodeB、与第二eNodeB共站 的AP，其中：
第一eNodeB用于向第二eNodeB发送自身的节点信息；第二eNodeB用 于接收第一eNodeB的节点信息，并发送给AP；AP用于接收所述第一eNodeB 的节点信息。
本实施例七中各节点之间的传输方式与实施例二中各步骤的描述相同，此 处不再赘述。
实施例八：
本发明实施例八还提供一种与实施例三属于同一发明构思下的业务切换 系统，所述系统包括第一eNodeB、与第一eNodeB共站的AP、第二eNodeB， 其中：
第一eNodeB用于在AP接收到终端上报的携带有eNodeB标识的切换请 求时，获取AP的节点信息和终端在AP上产生的业务信息，并发送给所述 eNodeB标识对应的第二eNodeB；第二eNodeB用于根据接收到的AP的节点 信息确定终端切换前所接入的AP，并根据接收到的业务信息完成终端的业务 从AP至第二eNodeB的切换。
具体地，AP可用于在接收到终端上报的携带有eNodeB标识的切换请求 时，向第一eNodeB发送自身的节点信息和终端在AP上产生的业务信息，使 第一eNodeB可获取AP的节点信息和终端在AP上产生的业务信息。
本实施例八中各节点之间的传输方式与实施例三中各步骤的描述相同，此 处不再赘述。
实施例九：
本发明实施例九还提供一种与实施例四属于同一发明构思下的业务切换 系统，所述系统包括第一eNodeB、第二eNodeB、与第二eNodeB共站的AP， 其中：
第一eNodeB用于在在接收到终端上报的携带有AP标识的切换请求时， 将自身的节点信息和终端在第一eNodeB上产生的业务信息，发送给与该AP 标识对应的AP共站的第二eNodeB；第二eNodeB用于接收第一eNodeB的节 点信息和业务信息，并发送给共站的AP；AP用于根据接收到的节点信息确定 终端切换前所接入的第一eNodeB，并根据接收到的业务信息完成终端的业务 从第一eNodeB至AP的切换。
本实施例九中各节点之间的传输方式与实施例四中各步骤的描述相同，此 处不再赘述。
实施例十：
本发明实施例十还提供一种与实施例五属于同一发明构思下的业务切换 系统，所述系统包括第一eNodeB、与第一eNodeB共站的第一AP、第二 eNodeB、与第二eNodeB共站的第二AP，其中：
第一eNodeB用于在第一AP接收到终端上报的携带有第二AP标识的切 换请求时，获取第一AP的节点信息和终端在第一AP上产生的业务信息，并 发送给与所述第二AP标识对应的第二AP共站的第二eNodeB；第二eNodeB 用于接收第一AP的节点信息和业务信息，并发送给第二AP；第二AP用于根 据接收到的节点信息确定终端切换前所接入的第一AP，并根据接收到的业务 信息完成终端的业务从第一AP至第二AP的切换。
具体地，第一AP可用于在接收到终端上报的携带有第二AP标识的切换 请求时，将自身的节点信息和终端在第一AP上产生的业务信息发送给第一 eNodeB，使第一eNodeB获取第一AP的节点信息和终端在第一AP上产生的 业务信息。
本实施例十中各节点之间的传输方式与实施例五中各步骤的描述相同，此 处不再赘述。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计 算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结 合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包 含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、 CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产 品的流程图和／或方框图来描述的。应理解可由计算机程序指令实现流程图和 ／或方框图中的每一流程和／或方框、以及流程图和／或方框图中的流程和／ 或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入 式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算 机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一 个流程或多个流程和／或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设 备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中 的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个 流程和／或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使 得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处 理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个 流程或多个流程和／或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基 本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要 求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申 请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及 其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (17)

  1. 一种传输节点信息的方法，其特征在于，所述方法包括：
    第一基站节点获取与自身共站的第一接入点AP的节点信息；
    第一基站节点将第一AP的节点信息发送给与所述第一AP不共站的第二 基站节点。
  2. 如权利要求1所述的传输节点信息的方法，其特征在于，第一基站节 点将第一AP的节点信息发送给第二基站节点，具体包括：
    第一基站节点将所述第一AP的节点信息携带在X2协议数据包的X2-AP 层，并通过自身的X2接口发送给第二基站节点。
  3. 如权利要求1或2所述的传输节点信息的方法，其特征在于，所述方 法还包括：
    第二基站节点接收所述第一AP的节点信息，并发送给与自身共站的第二 AP。
  4. 一种传输节点信息的方法，其特征在于，所述方法包括：
    第一基站节点接收第二基站节点发送的该第二基站节点的节点信息；
    第一基站将接收到的第二基站节点的节点信息发送给与自身共站的接入 点AP。
  5. 如权利要求4所述的传输节点信息的方法，其特征在于，第一基站节 点接收第二基站节点发送的第二基站节点的节点信息，具体包括：
    第二基站节点将所述节点信息携带在X2协议数据包的X2-AP层，并通过 自身的X2接口发送给第一基站节点；
    第一基站节点通过自身的X2接口，接收第二基站节点发送的数据包，并 从数据包的X2-AP层中读取所述第二基站节点的节点信息。
  6. 一种业务切换的方法，其特征在于，所述方法包括：
    与接入点AP共站的第一基站节点获取该AP的节点信息和终端在所述AP 上产生的业务信息，所述AP的节点信息和业务信息是AP接收到终端上报的 携带有基站节点标识的切换请求后获取的；
    第一基站节点将AP的节点信息和业务信息发送给所述基站节点标识对应 的第二基站节点，要求第二基站节点根据接收到的AP的节点信息确定终端切 换前所接入的AP，并根据接收到的业务信息完成终端的业务从AP至第二基 站节点的切换。
  7. 如权利要求6所述的业务切换的方法，其特征在于，第一基站节点将 AP的节点信息和业务信息发送给第二基站节点，具体包括：
    第一基站节点将AP的节点信息和业务信息携带在X2协议数据包的 X2-AP层，并通过自身的X2接口发送给第二基站节点。
  8. 一种业务切换的方法，其特征在于，所述方法包括：
    第一基站节点接收与第二AP共站的第二基站节点发送的第二AP的节点 信息和终端在第二AP上产生的业务信息，所述第二AP的节点信息和业务信 息是第二AP在接收到终端上报的携带有第一AP标识的切换请求后，第二基 站节点获取的；
    第一基站节点将接收到的第二AP的节点信息和业务信息发送给共站的第 一AP，要求第一AP根据接收到的第二AP的节点信息确定终端切换前所接入 的第二AP，并根据接收到的业务信息完成终端的业务从第二AP至第一AP 的切换。
  9. 如权利要求8所述的业务切换的方法，其特征在于，第一基站节点接 收第二基站节点发送的第二AP的节点信息和业务信息，具体包括：
    第二基站节点将第二AP的节点信息和业务信息携带在X2协议数据包的 X2-AP层，并通过自身的X2接口发送给第一基站节点；
    第一基站节点通过自身的X2接口，接收第二基站节点发送的数据包，并 从数据包的X2-AP层中读取第二AP的节点信息和业务信息。
  10. 一种业务切换的方法，其特征在于，所述方法包括：
    第一基站节点接收第二基站节点发送的第二基站节点的节点信息和终端 在第二基站节点上产生的业务信息，所述第二基站节点的节点信息和业务信息 是第二基站节点在接收到终端上报的携带有AP标识的切换请求时，发送给与 该AP标识对应的AP共站的第一基站节点的；
    第一基站节点将第二基站节点的节点信息和业务信息发送给共站的AP， 要求所述AP根据接收到的节点信息确定终端切换前所接入的第二eNodeB， 并根据接收到的业务信息完成终端的业务从第二基站节点至AP的切换。
  11. 如权利要求10所述的业务切换的方法，其特征在于，第一基站节点 接收第二基站节点发送的第二基站节点的节点信息和业务信息，具体包括：
    第二基站节点将第二基站节点的节点信息和业务信息携带在X2协议数据 包的X2-AP层，并通过自身的X2接口发送给第一基站节点；
    第一基站节点通过自身的X2接口，接收第二基站节点发送的数据包，并 从数据包的X2-AP层中读取第二基站节点的节点信息和业务信息。
  12. 一种传输节点信息的系统，其特征在于，所述系统包括第一基站节点、 与第一基站节点共站的第一接入点AP、与第一AP不共站的第二基站节点， 其中：
    第一基站节点，用于获取第一AP的节点信息，并将该第一AP的节点信 息发送给第二基站节点；
    第二基站节点，用于接收第一AP的节点信息。
  13. 如权利要求12所述的业务切换的系统，其特征在于，所述系统还包 括：与第二基站节点共站的第二AP；
    第二基站节点，还用于将第一AP的节点信息发送给第二AP；
    第二AP，用于接收第二基站节点发送的第一AP的节点信息。
  14. 一种传输节点信息的系统，其特征在于，所述系统包括第一基站节点、 第二基站节点、与第二基站节点共站的接入点AP，其中：
    第一基站节点，用于向第二基站节点发送自身的节点信息；
    第二基站节点，用于接收第一基站节点的节点信息，并发送给AP；
    AP，用于接收所述第一基站节点的节点信息。
  15. 一种业务切换系统，其特征在于，所述系统包括第一基站节点、与第 一基站节点共站的接入点AP、第二基站节点，其中：
    第一基站节点，用于在AP接收到终端上报的携带有基站节点标识的切换 请求时，获取AP的节点信息和终端在AP上产生的业务信息，并发送给所述 基站节点标识对应的第二基站节点；
    第二基站节点，用于根据接收到的AP的节点信息确定终端切换前所接入 的AP，并根据接收到的业务信息完成终端的业务从AP至第二基站节点的切 换。
  16. 一种业务切换系统，其特征在于，所述系统包括第一基站节点、与第 一基站节点共站的第一接入点AP、第二基站节点、与第二基站节点共站的第 二AP，其中：
    第一基站节点，用于在第一AP接收到终端上报的携带有第二AP标识的 切换请求时，获取第一AP的节点信息和终端在第一AP上产生的业务信息， 并发送给与所述第二AP标识对应的第二AP共站的第二基站节点；
    第二基站节点，用于接收第一AP的节点信息和业务信息，并发送给第二 AP；
    第二AP，用于根据接收到的第一AP的节点信息确定终端切换前所接入 的第一AP，并根据接收到的业务信息完成终端的业务从第一AP至第二AP 的切换。
  17. 一种业务切换系统，其特征在于，所述系统包括第一基站节点、第二 基站节点、与第二基站节点共站的接入点AP，其中：
    第一基站节点，用于在接收到终端上报的携带有AP标识的切换请求时， 将自身的节点信息和终端在第一基站节点上产生的业务信息，发送给与该AP 标识对应的AP共站的第二基站节点；
    第二基站节点，用于接收第一基站节点的节点信息和业务信息，并发送给 共站的AP；
    AP，用于根据接收到的节点信息确定终端切换前所接入的第一基站节点， 并根据接收到的业务信息完成终端的业务从第一基站节点至AP的切换。
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