WO2017118176A1 - 演进基站及其获取无线局域网信息的方法 - Google Patents

演进基站及其获取无线局域网信息的方法 Download PDF

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WO2017118176A1
WO2017118176A1 PCT/CN2016/103766 CN2016103766W WO2017118176A1 WO 2017118176 A1 WO2017118176 A1 WO 2017118176A1 CN 2016103766 W CN2016103766 W CN 2016103766W WO 2017118176 A1 WO2017118176 A1 WO 2017118176A1
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identifier
wlan information
wlan
enb
information acquisition
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PCT/CN2016/103766
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English (en)
French (fr)
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方建民
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中兴通讯股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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  • the embodiments of the present invention relate to, but are not limited to, an LTE-WLAN coupling technology in the field of communications, and in particular, an evolved base station (eNB) and a method for acquiring WLAN information when coupled to an LTE-WLAN.
  • eNB evolved base station
  • the Third Generation Partnership Project (3GPP, Third Generation Partnership Projects) introduced Long Term Evolution-Wireless Local Area Network (LTE-WLAN) coupling.
  • LTE-WLAN Long Term Evolution-Wireless Local Area Network
  • the information exchanged between the LTE evolved base station (eNB) and the wireless local area network (WLAN) WLAN Termination is performed through the Xw interface.
  • the WT is a logical entity.
  • the WT can be an independent network element or a wireless access point (AP, Access Point).
  • AP wireless access point
  • the WT can connect multiple APs.
  • the eNB In order to perform the LTE-WLAN coupling operation, the eNB needs to know the WLAN information of the relevant AP, such as the identity, frequency, bandwidth, and the like of the AP.
  • One method is to send the WLAN information of the relevant AP to the eNB by the WT during the establishment of the Xw interface, but the WT does not know the eNB associated with the AP, and if the WLAN information of all APs connected by the WT is sent to the relevant eNB. Since a WT may connect several thousand APs, the amount of information will be very large. After all the eNBs are sent to the relevant eNB, the storage burden of the eNB related to the WT is increased, and a lot of information sent to the relevant eNB is not used by the eNB. of.
  • An embodiment of the present invention provides an eNB and a method for acquiring WLAN information, which can ensure that an eNB effectively acquires WLAN information of an associated AP, and avoids unnecessary storage load of the eNB.
  • an embodiment of the present invention provides a method for acquiring WLAN information, including:
  • the eNB determines an AP that needs to perform a coupling operation
  • the WLAN information of the AP is obtained from the WT according to the identifier of the AP that needs to perform the coupling operation.
  • the identifier of the AP that performs the coupling operation according to the requirement, and the WLAN information of the AP is obtained from the WT, including:
  • the eNB sends a WLAN information acquisition request message to the WT, where the WLAN information acquisition request message carries an AP identifier or an AP identifier list;
  • the WLAN information acquisition response message carries WLAN information of the AP corresponding to the AP identifier or the AP identifier list.
  • the identifier of the AP that performs the coupling operation according to the requirement, and the WLAN information of the AP is obtained from the WLAN terminal WT, including:
  • the eNB sends a WLAN information acquisition indication message to the WT, where the WLAN information acquisition indication message carries an AP identifier or an AP identifier list;
  • the eNB sends a WT CONFIGURATION UPDATE ACKNOWLEDGE message to the WT.
  • the identifier of the AP that performs the coupling operation according to the requirement, and the WLAN information of the AP is obtained from the WT, including:
  • the eNB sends an Xw SETUP REQUEST message to the WT, where the Xw SETUP REQUEST message carries an AP identifier or an AP identifier list;
  • the determining the wireless access point AP that needs to perform the coupling operation comprises:
  • the eNB determines, according to the information reported by the UE, the AP that needs to perform the coupling operation; the information reported by the UE includes: the AP identifier and the measurement report;
  • the WLAN information of the AP acquired by the WT includes: the second aspect of the AP identifier, the frequency point, and the bandwidth.
  • an embodiment of the present invention provides an eNB, including:
  • Determining a unit configured to determine an AP that needs to perform a coupling operation
  • the obtaining unit is configured to obtain the WLAN information of the AP from the WT by setting an identifier of the AP that performs the coupling operation according to the requirement.
  • the obtaining unit comprises:
  • a first sending subunit configured to send a WLAN information acquisition request message to the WT, where the WLAN information acquisition request message carries an AP identifier or an AP identifier list;
  • the first receiving subunit is configured to obtain the WT return WLAN information acquisition response message, where the WLAN information acquisition response message carries WLAN information of the AP corresponding to the AP identifier or the AP identifier list.
  • the obtaining unit comprises:
  • a second sending subunit configured to send a WLAN information acquisition indication message to the WT, where the WLAN information acquisition indication message carries an AP identifier or an AP identifier list; and sends a WT CONFIGURATION UPDATE ACKNOWLEDGE message to the WT;
  • a second receiving sub-unit configured to acquire a WT CONFIGURATION UPDATE message sent by the WT after receiving the WLAN information acquisition indication message, where the WT CONFIGURATION UPDATE message carries the AP identifier or the WLAN information of the AP corresponding to the AP identifier list.
  • the obtaining unit comprises:
  • a third sending subunit configured to send, by the eNB, an Xw SETUP REQUEST message to the WT, where the Xw SETUP REQUEST message carries an AP identifier or an AP identifier list;
  • a fourth receiving subunit configured to acquire an Xw SETUP RESPONSE message returned by the WT, where the Xw SETUP RESPONSE message carries the WLAN information of the AP corresponding to the AP identifier or the AP identifier list.
  • the determining unit is further configured to: determine, according to information reported by the UE, an AP that needs to perform a coupling operation; the information reported by the UE includes: the AP identifier, a measurement report, and the WLAN information of the AP acquired by the WT includes: AP identification, frequency and bandwidth.
  • the present application also provides a computer storable medium having stored therein computer executable instructions for performing any of the above methods for implementing system message updates.
  • three new types of interactive messages such as a WLAN information acquisition request, a WLAN information acquisition response message, and a WLAN information acquisition indication, are creatively introduced, and the contents of other types of messages designed in the acquired WLANL information are modified.
  • the eNB In order to enable the eNB to acquire the WLAN information while completing the message interaction, the eNB is prevented from acquiring unnecessary WLAN information, thereby effectively reducing the storage load of the eNB.
  • FIG. 1 is a schematic diagram of LTE-WLAN coupling in the related art
  • FIG. 2 is a flowchart 1 of acquiring WLAN information when LTE-WLAN is coupled in an embodiment of the present invention
  • FIG. 3 is a flowchart 2 of acquiring WLAN information when LTE-WLAN is coupled in an embodiment of the present invention
  • FIG. 4 is a flowchart 3 of acquiring WLAN information when LTE-WLAN is coupled according to an embodiment of the present invention
  • FIG. 5 is a flowchart 4 of acquiring WLAN information when LTE-WLAN is coupled according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram 1 of an eNB according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram 2 of an eNB according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram 3 of an eNB according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram 4 of an eNB according to an embodiment of the present invention.
  • a method for obtaining WLAN information of a wireless local area network includes the following steps:
  • step 101 the eNB determines an AP that needs to perform a coupling operation.
  • the eNB determines that one or more APs need to perform an LTE-WLAN coupling operation according to the information reported by the UE of the user terminal, including the AP identifier and the measurement report.
  • step 102 the WLAN information of the AP is obtained from the WT according to the identifier of the AP that performs the coupling operation.
  • Obtaining WLAN information of an AP from the WT includes the following methods:
  • the eNB sends a WLAN information acquisition request message to the WT, and carries an AP identifier or an AP identifier list (corresponding to the AP that needs to perform the coupling operation), and the WT returns a WLAN information acquisition response message, and carries the AP identifier or the AP identifier list corresponding to the AP.
  • WLAN information
  • the eNB and the WT acquire the WLAN information of the AP that needs to perform the coupling operation in the process of establishing the Xw interface.
  • the Xw interface is established between the eNB and the WT through an Xw SETUP REQUEST message and an Xw SETUP RESPONSE message. If the Xw SETUP REQUEST message carries the AP identifier or the AP identifier list (corresponding to the AP that needs to perform the coupling operation), the WT returns the WLAN information of the corresponding one or more APs in the Xw SETUP RESPONSE message, such as the Xw SETUP REQUEST message is not carried. The AP identifier or the AP identifier list does not carry any WLAN information in the Xw SETUP RESPONSE message.
  • the eNB sends a WLAN information acquisition indication message to the WT.
  • the WLAN information acquisition indication message carries an AP identifier or an AP identifier list.
  • the WT After receiving the WLAN information acquisition indication message, the WT sends a WT CONFIGURATION UPDATE message in the WT CONFIGURATION UPDATE message.
  • the WLAN information of the AP corresponding to the AP identifier or the AP identifier list;
  • the eNB sends a WT CONFIGURATION UPDATE ACKNOWLEDGE message to the WT.
  • the eNB After acquiring the WLAN information of the AP from the WLAN terminal WT, the eNB may perform a coupling operation with the corresponding AP.
  • FIG. 1 a specific example of acquiring WLAN information shown in FIG. 3 includes the following steps:
  • the eNB learns that the AP1 and the AP2 may perform the LTE-WLAN coupling operation according to the information reported by the UE, including the AP identifier and the measurement report, etc. (for example, the signal strength of the AP1 and AP2 measured and reported by the UE is greater than a preset value.
  • the eNB sends an Xw SETUP REQUEST message to the WT, and the eNB sends an Xw SETUP REQUEST message to the WT.
  • the message carries the identifier list including AP1 and AP2.
  • Step 202 The WT returns an Xw SETUP RESPONSE message to the eNB, and carries the WLAN information (including the AP identifier, the frequency point, the bandwidth, and the like) corresponding to the AP1 and the AP2 in the message.
  • the WLAN information including the AP identifier, the frequency point, the bandwidth, and the like
  • the eNB may perform a coupling operation with AP1 and AP2.
  • the eNB learns that the AP3 may perform the LTE-WLAN coupling operation according to the information reported by the UE (including the AP identifier and the measurement report, etc.), and the Xw interface is established between the eNB and the WT connected to the AP3, and the eNB is configured. Sending a WLAN information acquisition request message to the WT, and carrying the identifier of the AP3 in the message.
  • Step 205 The WT returns a WLAN information acquisition response message to the eNB, and carries the corresponding WLAN information (including the AP identifier, the frequency point, the bandwidth, and the like) of the AP3 in the message.
  • the eNB may perform a coupling operation with AP1, AP2, and AP3.
  • a specific example of acquiring WLAN information includes the following steps:
  • the eNB learns that the AP1 and the AP2 may perform the LTE-WLAN coupling operation according to the information reported by the UE, including the AP identifier and the measurement report, but the eNB and the WT connected to the AP1 and the AP2 are not yet connected.
  • the Xw interface is set up, and the eNB sends an Xw SETUP REQUEST message to the WT. The message does not carry the AP identification information.
  • Step 302 The WT returns an Xw SETUP RESPONSE message to the eNB. Since the received Xw SETUP REQUEST message does not carry the AP identification information, the Xw SETUP RESPONSE message does not carry any AP WLAN information.
  • Step 303 The eNB sends a WLAN information acquisition request message to the WT, and carries the identifier list including AP1 and AP2 in the message.
  • Step 304 The WT returns a WLAN information acquisition response message to the eNB, and carries the WLAN information (including the AP identifier, the frequency point, the bandwidth, and the like) corresponding to the AP1 and the AP2 in the message.
  • the eNB may perform a coupling operation with AP1 and AP2.
  • Step 306 The eNB learns that the AP3 may perform the LTE-WLAN coupling operation according to the information reported by the UE (including the AP identifier and the measurement report, etc.), and the Xw interface is established between the eNB and the WT connected to the AP3, so the eNB Sending a WLAN information acquisition request message to the WT, and carrying the identifier including the AP3 in the message.
  • Step 307 The WT returns a WLAN information acquisition response message to the eNB, and carries the corresponding WLAN information (including the AP identifier, the frequency point, the bandwidth, and the like) of the AP3 in the message.
  • the eNB may perform a coupling operation with AP1, AP2, and AP3.
  • a specific example of acquiring WLAN information includes the following steps:
  • step 401 an Xw interface is established between the eNB and the WT through the Xw SETUP REQUEST and the Xw SETUP RESPONSE message.
  • the eNB learns that the AP1 and the AP2 may perform the LTE-WLAN coupling operation according to the information reported by the UE, including the AP identifier and the measurement report, and the eNB sends the WLAN information acquisition indication message to the WT, where the message carries the AP1 and the AP2. List of logos.
  • Step 403 The WT sends a WT CONFIGURATION UPDATE message to the eNB, and carries the WLAN information (including the AP identifier, the frequency point, the bandwidth, and the like) of the corresponding AP1 and AP2.
  • step 404 the eNB returns a WT CONFIGURATION UPDATE ACKNOWLEDGE message to the WT.
  • the eNB may perform a coupling operation with AP1 and AP2.
  • step 406 the eNB learns that the AP3 may perform the LTE-WLAN coupling operation according to the information reported by the UE, including the AP identifier and the measurement report, and the eNB sends the WLAN information acquisition indication message to the WT, where the message carries the identifier of the AP3.
  • Step 407 The WT sends a WT CONFIGURATION UPDATE message to the eNB, and carries the WLAN information (including the AP identifier, the frequency, the bandwidth, and the like) of the corresponding AP3.
  • step 408 the eNB returns a WT CONFIGURATION UPDATE ACKNOWLEDGE message to the WT.
  • the eNB may perform a coupling operation with AP1, AP2, and AP3.
  • the embodiment of the present invention further describes an eNB.
  • the method includes:
  • the determining unit 100 is configured to determine a wireless access point AP that needs to perform a coupling operation
  • the obtaining unit 200 is configured to obtain an identifier of the AP that performs the coupling operation according to the requirement, and acquire the WLAN information of the AP from the WT.
  • the obtaining unit 200 includes:
  • the first sending sub-unit 210 is configured to send a WLAN information obtaining request message to the WT, where the WLAN information obtaining request message carries an AP identifier or an AP identifier list;
  • the first receiving sub-unit 220 is configured to obtain the WT return WLAN information acquisition response message, where the WLAN information acquisition response message carries WLAN information corresponding to the AP identifier or the AP identified by the AP.
  • the obtaining unit 200 includes:
  • the second sending sub-unit 230 is configured to send a WLAN information acquisition indication message to the WT, where the WLAN information acquisition indication message carries an AP identifier or an AP identifier list;
  • the second receiving sub-unit 240 is configured to obtain a WLAN CONFIGURATION UPDATE message sent by the WT after receiving the WLAN information acquisition indication message, where the WT CONFIGURATION UPDATE message carries the AP identifier or the AP identifier list.
  • the second sending subunit 230 is further configured to send a WLAN terminal configuration update confirmation WT CONFIGURATION UPDATE ACKNOWLEDGE message to the WT.
  • the obtaining unit 200 includes:
  • the third sending sub-unit 250 is configured to send, by the eNB, an Xw interface setup request Xw SETUP REQUEST message to the WT, where the Xw SETUP REQUEST message carries an AP identifier or an AP identifier list;
  • the fourth receiving sub-unit 260 is configured to obtain an Xw interface setup response Xw SETUP RESPONSE message returned by the WT, where the Xw SETUP RESPONSE message carries the AP identifier or the WLAN information of the AP corresponding to the AP identifier list.
  • the determining unit 100 is further configured to: determine, according to the information reported by the UE, the AP that needs to perform the coupling operation; the information reported by the UE includes: the AP identifier and the measurement report; and the WLAN information of the AP acquired by the WT includes: the AP Identification, frequency and bandwidth.
  • the first sending subunit 210, the second transmitting subunit 230, and the third transmitting subunit 250 may be implemented by a transmitter in an eNB, where the first receiving subunit 220 is the second receiving subunit 240 and the fourth receiving subunit 260 may be implemented by a receiver in an eNB; the determining unit 100 may be implemented by a processor, a microprocessor, an application specific integrated circuit, or a logic programmable gate array in the eNB.
  • the embodiment of the invention further describes a computer storable medium, wherein the computer storage medium stores executable instructions, and the executable instructions are used to execute the method for acquiring WLAN information as shown in any of the figures of FIG. 2 to FIG. .
  • the WLAN information acquisition request, the WLAN information acquisition response message, and the WLAN information acquisition indication are three types of interactive message types, and other types of messages designed in the acquired WLAN L information are creatively introduced in the embodiment of the present invention.
  • the content is modified to enable the eNB to acquire WLAN information while completing the message interaction, to prevent the eNB from acquiring unnecessary WLAN information, and effectively reducing the storage load of the eNB.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage medium includes: a mobile storage device, a random access memory (RAM), a read-only memory (ROM), a magnetic disk, or an optical disk.
  • RAM random access memory
  • ROM read-only memory
  • magnetic disk or an optical disk.
  • optical disk A medium that can store program code.
  • the above-described integrated unit of the present invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product, which is stored in a storage medium and includes a plurality of instructions for making
  • a computer device which may be a personal computer, server, or network device, etc.
  • the foregoing storage medium includes various media that can store program codes, such as a mobile storage device, a RAM, a ROM, a magnetic disk, or an optical disk.
  • the evolved base station and the method for acquiring wireless local area network information introduce three new types of interactive messages: a WLAN information acquisition request, a WLAN information acquisition response message, and a WLAN information acquisition indication, and are designed in the acquired WLANL information.
  • the content of other types of messages is modified to enable the eNB to acquire WLAN information while completing the message interaction, to prevent the eNB from acquiring unnecessary WLAN information, and effectively reducing the storage load of the eNB.

Abstract

本文公布了一种演进基站及其获取无线局域网信息的方法；方法包括：演进基站(eNB)确定需要进行耦合操作的无线接入点(AP)；根据需要进行耦合操作的AP的标识，从无线局域网终端(WT)获取所述AP的WLAN信息。本发明引入了WLAN信息获取请求、WLAN信息获取响应消息、WLAN信息获取指示三个新型的交互消息类型，并对获取的WLANL信息中设计的其他类型的消息的内容进行修改，以在完成消息交互的同时使eNB获取到WLAN信息，避免eNB获取到不必要的WLAN信息，有效减小eNB的存储负担。

Description

演进基站及其获取无线局域网信息的方法 技术领域
本发明实施例涉及但不限于通讯领域的LTE-WLAN耦合技术，尤指一种演进基站(eNB，evolved Node B)及其针对LTE-WLAN耦合时获取WLAN信息的方法。
背景技术
为了提高终端速率、提升用户体验，第三代合作伙伴计划(3GPP，Third Generation Partnership Projects)引入了长期演进-无线局域网(LTE-WLAN)耦合功能。如图1所示，LTE的演进基站(eNB，evolved Node B)与无线局域网(WLAN)的无线局域网终端WT(WLAN Termination)之间通过Xw接口进行耦合操作所需信息的交互。WT作为Xw接口在WLAN系统侧的终结点，是一个逻辑实体，WT可以是独立网元，也可以在无线接入点(AP，Access Point)上实现，WT可连接多个AP。
为了进行LTE-WLAN耦合操作，eNB需要知道相关AP的WLAN信息，如AP的标识、频点、带宽等。一种方法是在Xw接口建立过程中，由WT将相关AP的WLAN信息发送给eNB，但WT并不知道与AP相关的eNB，如果把WT连接的所有AP的WLAN信息都发送给相关的eNB，由于一个WT可能连接几千个AP，信息量会非常大，全部发送到相关的eNB后，会增加与WT相关的eNB的存储负担，而且发送到相关eNB的很多信息是eNB不会用到的。
综上所述，如何让eNB有效获取相关AP的WLAN信息，且避免不必要的存储负担，相关技术尚无有效解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供了一种eNB及其获取WLAN信息的方法，能够保证eNB有效获取相关AP的WLAN信息，且避免eNB不必要的存储负担。
第一方面，本发明实施例提供一种获取WLAN信息的方法，包括：
eNB确定需要进行耦合操作的AP；
根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息。
优选地，所述根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息，包括：
所述eNB向所述WT发送WLAN信息获取请求消息，所述WLAN信息获取请求消息携带AP标识或AP标识列表；
获取所述WT返回WLAN信息获取响应消息，所述WLAN信息获取响应消息携带对应所述AP标识或所述AP标识列表的AP的WLAN信息。
优选地，所述根据需要进行耦合操作的AP的标识，从无线局域网终端WT获取所述AP的WLAN信息，包括：
所述eNB向所述WT发送WLAN信息获取指示消息，所述WLAN信息获取指示消息携带AP标识或AP标识列表；
获取所述WT收到WLAN信息获取指示消息后发送的无线局域网终端配置更新(WT CONFIGURATION UPDATE)消息，所述WT CONFIGURATION UPDATE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息；
所述eNB向所述WT发送无线局域网终端配置更新确认(WT CONFIGURATION UPDATE ACKNOWLEDGE)消息。
优选地，所述根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息，包括：
所述eNB向所述WT发送Xw接口建立请求(Xw SETUP REQUEST)消息，所述Xw SETUP REQUEST消息携带AP标识或AP标识列表；
获取所述WT返回的Xw接口建立响应(Xw SETUP RESPONSE)消息，所述Xw SETUP RESPONSE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息。
优选地，所述确定需要进行耦合操作的无线接入点AP，包括：
eNB根据UE上报的信息确定需要进行耦合操作的AP；所述UE上报的信息包括：所述AP标识、测量报告；
所述WT获取的AP的WLAN信息包括：所述AP标识、频点和带宽第二方面，
第二方面，本发明实施例提供一种eNB，包括：
确定单元，设置为确定需要进行耦合操作的AP；
获取单元，设置为根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息。
优选地，所述获取单元包括：
第一发送子单元，设置为向所述WT发送WLAN信息获取请求消息，所述WLAN信息获取请求消息携带AP标识或AP标识列表；
第一接收子单元，设置为获取所述WT返回WLAN信息获取响应消息，所述WLAN信息获取响应消息携带对应所述AP标识或所述AP标识列表的AP的WLAN信息。
优选地，所述获取单元包括：
第二发送子单元，设置为向所述WT发送WLAN信息获取指示消息，所述WLAN信息获取指示消息携带AP标识或AP标识列表；向所述WT发送WT CONFIGURATION UPDATE ACKNOWLEDGE消息；
第二接收子单元，设置为获取所述WT收到WLAN信息获取指示消息后发送的WT CONFIGURATION UPDATE消息，所述WT CONFIGURATION UPDATE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息。
优选地，所述获取单元包括：
第三发送子单元，设置为所述eNB向所述WT发送Xw SETUP REQUEST消息，所述Xw SETUP REQUEST消息携带AP标识或AP标识列表；
第四接收子单元，设置为获取所述WT返回的Xw SETUP RESPONSE消息，所述Xw SETUP RESPONSE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息。
优选地，所述确定单元还用于根据UE上报的信息确定需要进行耦合操作的AP；所述UE上报的信息包括：所述AP标识、测量报告；WT获取的AP的WLAN信息包括：所述AP标识、频点和带宽。
还一方面，本申请还提供一种计算机可存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一项实现系统消息更新的方法。
本发明实施例中，创造性地引入了WLAN信息获取请求、WLAN信息获取响应消息、WLAN信息获取指示三个新型的交互消息类型，并对获取的WLANL信息中设计的其他类型的消息的内容进行修改，以在完成消息交互的同时使eNB获取到WLAN信息，避免eNB获取到不必要的WLAN信息，有效减小eNB的存储负担。
本发明实施例的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为相关技术术中LTE-WLAN耦合示意图；
图2为本发明实施例中LTE-WLAN耦合时获取WLAN信息的流程图一；
图3为本发明实施例中LTE-WLAN耦合时获取WLAN信息的流程图二；
图4为本发明实施例中LTE-WLAN耦合时获取WLAN信息的流程图三；
图5为本发明实施例中LTE-WLAN耦合时获取WLAN信息的流程图四；
图6为本发明实施例中eNB的结构示意图一；
图7为本发明实施例中eNB的结构示意图二；
图8为本发明实施例中eNB的结构示意图三；
图9为本发明实施例中eNB的结构示意图四。
本发明的较佳实施方式
以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
为使本发明的目的、技术方案和优点更加清楚明白，下面结合附图和具体实施例对本发明所述技术方案作进一步的详细描述，以使本领域的技术人员可以更好的理解本发明并能予以实施，但所举实施例不作为对本发明的限定。需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。
本发明实施例提供的获取无线局域网WLAN信息的方法，参见图2，包括以下步骤：
步骤101，eNB确定需要进行耦合操作的AP。
eNB根据用户终端UE上报的信息(包括AP标识与测量报告等)，确定一个或多个AP需要进行LTE-WLAN耦合操作。
步骤102，根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息。
从WT获取AP的WLAN信息包括以下几种方式：
方式(a)，eNB向WT发送WLAN信息获取请求消息，携带AP标识或AP标识列表(对应需要进行耦合操作的AP)，WT返回WLAN信息获取响应消息，携带AP标识或AP标识列表对应AP的WLAN信息。
方式(b)，eNB和WT建立起Xw接口的过程中获取需要进行耦合操作的AP的WLAN信息。
eNB和WT之间通过Xw接口建立请求(Xw SETUP REQUEST)消息与Xw接口建立响应(Xw SETUP RESPONSE)消息建立起Xw接口。如Xw SETUP REQUEST消息中携带AP标识或AP标识列表(对应需要进行耦合操作的AP)，则WT返回Xw SETUP RESPONSE消息中携带相应一个或多个AP的WLAN信息，如Xw SETUP REQUEST消息中没有携带AP标识或AP标识列表，则Xw SETUP RESPONSE消息中不携带任何WLAN信息。
方式(c)，
eNB向WT发送WLAN信息获取指示消息，WLAN信息获取指示消息携带AP标识或AP标识列表；WT收到WLAN信息获取指示消息后，发送WT配置更新(WT CONFIGURATION UPDATE)消息，在WT CONFIGURATION UPDATE消息中携带AP标识或AP标识列表对应的AP的WLAN信息；
eNB向WT发送WT配置更新确认(WT CONFIGURATION UPDATE ACKNOWLEDGE)消息。
从无线局域网终端WT获取所述AP的WLAN信息之后，eNB可进行与相应AP的耦合操作。
结合图1，参见图3示出的获取WLAN信息的一个具体示例，包括以下步骤：
步骤201，eNB根据UE上报的信息(包括AP标识与测量报告等)，得知AP1、AP2可能可以进行LTE-WLAN耦合操作(如UE测得并上报的AP1、AP2的信号强度大于预设值)，但此时该eNB和AP1、AP2所连接的WT之间还没有建立Xw接口，于是eNB向该WT发送Xw SETUP REQUEST消息，并在消息中携带包括AP1、AP2的标识列表。
步骤202，WT向eNB回Xw SETUP RESPONSE消息，并在消息中携带AP1、AP2相应的WLAN信息(包括AP标识、频点、带宽等)。
步骤203，eNB可进行与AP1、AP2的耦合操作。
步骤204，eNB根据UE上报的信息(包括AP标识与测量报告等)，得知AP3可能可以进行LTE-WLAN耦合操作，此时该eNB和AP3所连接的WT之间已建立Xw接口，于是eNB向该WT发送WLAN信息获取请求消息，并在消息中携带AP3的标识。
步骤205，WT向eNB回WLAN信息获取响应消息，并在消息中携带AP3相应的WLAN信息(包括AP标识、频点、带宽等)。
步骤206，eNB可进行与AP1、AP2、AP3的耦合操作。
结合图1，参见图4示出的获取WLAN信息的一个具体示例，包括以下步骤：
步骤301，eNB根据UE上报的信息(包括AP标识与测量报告等)，得知AP1、AP2可能可以进行LTE-WLAN耦合操作，但此时该eNB和AP1、AP2所连接的WT之间还没有建立Xw接口，于是eNB向该WT发送Xw SETUP REQUEST消息，消息中不携带AP标识信息。
步骤302，WT向eNB回Xw SETUP RESPONSE消息，由于收到的Xw SETUP REQUEST消息中没有携带AP标识信息，因此、Xw SETUP RESPONSE消息中不携带任何AP的WLAN信息。
步骤303，eNB向WT发送WLAN信息获取请求消息，并在消息中携带包括AP1、AP2的标识列表。
步骤304，WT向eNB回WLAN信息获取响应消息，并在消息中携带AP1、AP2相应的WLAN信息(包括AP标识、频点、带宽等)。
步骤305，eNB可进行与AP1、AP2的耦合操作。
步骤306，eNB根据UE上报的信息(包括AP标识与测量报告等)，得知AP3可能可以进行LTE-WLAN耦合操作，此时该eNB和AP3所连接的WT之间已建立Xw接口，于是eNB向该WT发送WLAN信息获取请求消息，并在消息中携带包括AP3的标识。
步骤307，WT向eNB回WLAN信息获取响应消息，并在消息中携带AP3相应的WLAN信息(包括AP标识、频点、带宽等)。
步骤308，eNB可进行与AP1、AP2、AP3的耦合操作。
结合图1，参见图5示出的获取WLAN信息的一个具体示例，包括以下步骤：
步骤401，eNB和WT之间通过Xw SETUP REQUEST与Xw SETUP RESPONSE消息建立Xw接口。
步骤402，eNB根据UE上报的信息(包括AP标识与测量报告等)，得知AP1、AP2可能可以进行LTE-WLAN耦合操作，eNB向WT发送WLAN信息获取指示消息，消息中携带包括AP1、AP2的标识列表。
步骤403，WT向eNB发送WT CONFIGURATION UPDATE消息，携带相应AP1、AP2的WLAN信息(包括AP标识、频点、带宽等)。
步骤404，eNB向WT返回WT CONFIGURATION UPDATE ACKNOWLEDGE消息。
步骤405，eNB可进行与AP1、AP2的耦合操作。
步骤406，eNB根据UE上报的信息(包括AP标识与测量报告等)，得知AP3可能可以进行LTE-WLAN耦合操作，eNB向WT发送WLAN信息获取指示消息，消息中携带AP3的标识。
步骤407，WT向eNB发送WT CONFIGURATION UPDATE消息，携带相应AP3的WLAN信息(包括AP标识、频点、带宽等)。
步骤408，eNB向WT回WT CONFIGURATION UPDATE ACKNOWLEDGE消息。
步骤409，eNB可进行与AP1、AP2和AP3的耦合操作。
与前述实施例的记载对应，本发明实施例还记载一种eNB，参见图6，包括：
确定单元100，设置为确定需要进行耦合操作的无线接入点AP；
获取单元200，设置为根据需要进行耦合操作的AP的标识，从WT获取AP的WLAN信息。
参见图7，获取单元200包括：
第一发送子单元210，设置为向所述WT发送WLAN信息获取请求消息，所述WLAN信息获取请求消息携带AP标识或AP标识列表；
第一接收子单元220，设置为获取所述WT返回WLAN信息获取响应消息，所述WLAN信息获取响应消息携带对应所述AP标识或所述AP标识的AP的WLAN信息。
参见图8、所述获取单元200包括：
第二发送子单元230，设置为向所述WT发送WLAN信息获取指示消息，所述WLAN信息获取指示消息携带AP标识或AP标识列表；
第二接收子单元240，设置为获取所述WT收到WLAN信息获取指示消息后发送的无线局域网终端配置更新WT CONFIGURATION UPDATE消息，所述WT CONFIGURATION UPDATE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息；
第二发送子单元230，还设置为向WT发送无线局域网终端配置更新确认WT CONFIGURATION UPDATE ACKNOWLEDGE消息。
参见图9，所述获取单元200包括：
第三发送子单元250，设置为所述eNB向所述WT发送Xw接口建立请求Xw SETUP REQUEST消息，所述Xw SETUP REQUEST消息携带AP标识或AP标识列表；
第四接收子单元260，设置为获取所述WT返回的Xw接口建立响应Xw SETUP RESPONSE消息，所述Xw SETUP RESPONSE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息。
所述确定单元100还设置为：根据UE上报的信息确定需要进行耦合操作的AP；所述UE上报的信息包括：所述AP标识、测量报告；WT获取的AP的WLAN信息包括：所述AP标识、频点和带宽。
实际实施时，第一发送子单元210、第二发送子单元230和第三发送子单元250可由eNB中的发射机实现，第一接收子单元220第二接收子单元240和第四接收子单元260可由eNB中的接收机实现；确定单元100可由eNB中的处理器、微处理器、专用集成电路或逻辑可编程门阵列实现。
本发明实施例还记载一种计算机可存储介质，所述计算机存储介质中存储有可执行指令，所述可执行指令用于执行图2至图4任一附图所示的获取WLAN信息的方法。
综上所述，本发明实施例中创造性地引入了WLAN信息获取请求、WLAN信息获取响应消息、WLAN信息获取指示三个新型的交互消息类型，并对获取的WLANL信息中设计的其他类型的消息的内容进行修改，以在完成消息交互的同时使eNB获取到WLAN信息，避免eNB获取到不必要的WLAN信息，有效减小eNB的存储负担。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、随机存取存储器(RAM，Random Access Memory)、只读存储器(ROM，Read-Only Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
或者，本发明上述集成的单元如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也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，本发明实施例的技术方案本质上或者说对相关技术做出贡献的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)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括：移动存储设备、RAM、ROM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易 想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。
工业实用性
本发明实施例提出的演进基站及其获取无线局域网信息的方法,引入了WLAN信息获取请求、WLAN信息获取响应消息、WLAN信息获取指示三个新型的交互消息类型，并对获取的WLANL信息中设计的其他类型的消息的内容进行修改，以在完成消息交互的同时使eNB获取到WLAN信息，避免eNB获取到不必要的WLAN信息，有效减小eNB的存储负担。

Claims (11)

  1. 一种获取无线局域网WLAN信息的方法，包括：
    演进基站eNB确定需要进行耦合操作的无线接入点AP；
    根据需要进行耦合操作的AP的标识，从无线局域网终端WT获取所述AP的WLAN信息。
  2. 如权利要求1所述的方法，其中，所述根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息，包括：
    所述eNB向所述WT发送WLAN信息获取请求消息，所述WLAN信息获取请求消息携带AP标识或AP标识列表；
    获取所述WT返回的WLAN信息获取响应消息，所述WLAN信息获取响应消息携带对应所述AP标识或所述AP标识列表的AP的WLAN信息。
  3. 如权利要求1所述的方法，其中，所述根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息，包括：
    所述eNB向所述WT发送WLAN信息获取指示消息，所述WLAN信息获取指示消息携带AP标识或AP标识列表；
    获取所述WT收到WLAN信息获取指示消息后发送的无线局域网终端配置更新WT CONFIGURATION UPDATE消息，所述WT CONFIGURATION UPDATE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息；
    所述eNB向所述WT发送无线局域网终端配置更新确认WT CONFIGURATION UPDATE ACKNOWLEDGE消息。
  4. 如权利要求1所述的方法，其中，所述根据需要进行耦合操作的AP的标识，从WT获取所述AP的WLAN信息，包括：
    所述eNB向所述WT发送Xw接口建立请求Xw SETUP REQUEST消息，所述Xw SETUP REQUEST消息携带AP标识或AP标识列表；
    获取所述WT返回的Xw接口建立响应Xw SETUP RESPONSE消息，所述Xw SETUP RESPONSE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息。
  5. 如权利要求1至4任一项所述的方法，其中，所述确定需要进行耦合操作的AP，包括：
    所述eNB根据用户终端UE上报的信息确定需要进行耦合操作的AP；
    所述UE上报的信息包括：AP标识与测量报告；
    所述WT获取的AP的WLAN信息包括：所述AP标识、频点和带宽。
  6. 一种演进基站eNB，包括：
    确定单元，设置为确定需要进行耦合操作的无线接入点AP；
    获取单元，设置为根据需要进行耦合操作的AP的标识，从无线局域网终端WT获取所述AP的WLAN信息。
  7. 如权利要求6所述的eNB，其中，所述获取单元包括：
    第一发送子单元，设置为向所述WT发送WLAN信息获取请求消息，所述WLAN信息获取请求消息携带AP标识或AP标识列表；
    第一接收子单元，设置为获取所述WT返回WLAN信息获取响应消息，所述WLAN信息获取响应消息携带对应所述AP标识或所述AP标识列表的AP的WLAN信息。
  8. 如权利要求6所述的eNB，其中，所述获取单元包括：
    第二发送子单元，设置为向所述WT发送WLAN信息获取指示消息，所述WLAN信息获取指示消息携带AP标识或AP标识列表；向所述WT发送无线局域网终端配置更新确认WT CONFIGURATION UPDATE ACKNOWLEDGE消息；
    第二接收子单元，设置为获取所述WT收到WLAN信息获取指示消息后发送的无线局域网终端配置更新WT CONFIGURATION UPDATE消息，所述WT CONFIGURATION UPDATE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息。
  9. 如权利要求6所述的eNB，其中，所述获取单元包括：
    第三发送子单元，设置为向所述WT发送Xw接口建立请求Xw SETUP REQUEST消息，所述Xw SETUP REQUEST消息携带AP标识或AP标识列表；
    第四接收子单元，设置为获取所述WT返回的Xw接口建立响应Xw SETUP RESPONSE消息，所述Xw SETUP RESPONSE消息携带所述AP标识或所述AP标识列表对应的AP的WLAN信息。
  10. 如权利要求6至9任一项所述的eNB，所述确定单元还设置为：根据用户终端UE上报的信息确定需要进行耦合操作的AP；
    所述UE上报的信息包括：AP标识与测量报告；
    所述WT获取的AP的WLAN信息包括：所述AP标识、频点和带宽。
  11. 一种计算机可读存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行权1～权5任一项的获取无线局域网WLAN信息的方法。
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