WO2013166963A1 - 网络接入方法及装置 - Google Patents

网络接入方法及装置 Download PDF

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Publication number
WO2013166963A1
WO2013166963A1 PCT/CN2013/075313 CN2013075313W WO2013166963A1 WO 2013166963 A1 WO2013166963 A1 WO 2013166963A1 CN 2013075313 W CN2013075313 W CN 2013075313W WO 2013166963 A1 WO2013166963 A1 WO 2013166963A1
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WO
WIPO (PCT)
Prior art keywords
wlan
access
network
3gpp
information
Prior art date
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PCT/CN2013/075313
Other languages
English (en)
French (fr)
Inventor
王昕�
和峰
艾建勋
韩立锋
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to JP2015504861A priority Critical patent/JP2015518682A/ja
Priority to EP16201669.5A priority patent/EP3166368B1/en
Priority to EP13787130.7A priority patent/EP2824988B1/en
Priority to US14/394,432 priority patent/US9713007B2/en
Publication of WO2013166963A1 publication Critical patent/WO2013166963A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • 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]
    • 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
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/142—Reselecting a network or an air interface over the same radio air interface technology
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular to a network access method and apparatus. Background technique
  • LTE Long Term Evolution
  • LTE Advanced enhanced LTE
  • 3GPP has developed a protocol for interworking between 3GPP access networks and WLANs.
  • the interworking architecture relies on operators having independent 3GPP access networks and independent and complete WLANs.
  • the data stream needs to pass through the 3GPP core network element.
  • 3GPP and WLAN are still two independent access networks, but WLAN is only used as A data connection between the access network and the user equipment (User Equipment, UE for short) exists in the existing 3GPP access network, and the main management of the access network to the UE and possible partial user data are based on 3GPP access. Transfer on the connection of the network. It can be seen that, regardless of the joint transmission scheme, the UE needs to separately access two independent access networks (3GPP access network element and WLAN access point) of 3GPP and WLAN.
  • 3GPP access network element and WLAN access point 3GPP access network element and WLAN access point
  • the UE since the UE scans the WLAN frequency band to detect whether there is an available WLAN, the UE accesses the WLAN for a long time (the current time for the UE to access the 3GPP access network is millisecond, and the time of accessing the WLAN It is a second level), so that the UE camping on/connected to the 3GPP cell takes a long time to access the applicable WLAN.
  • the applicable WLAN is specifically the WLAN deployed by the operator deploying the 3GPP access network, or 3GPP.
  • the WLAN to which the access network can perform data joint transmission and the like and obtain subsequent data joint transmission and/or other services, so the user experience is not high.
  • An embodiment of the present invention provides a network access method and apparatus, so as to at least solve a problem that a UE that camps on/connects to a 3GPP cell scans a WLAN frequency band to detect whether an available WLAN is available, so the UE needs to take a long time to connect. Entering the applicable WLAN and obtaining subsequent data joint transmission and/or other services, so the user experience is not high.
  • the embodiment of the invention provides a network access method.
  • the network access method according to the embodiment of the present invention includes: the UE receives the WLAN access assistance information sent by the 3GPP access network; the UE measures the WLAN wireless signal quality according to the information, and performs an access decision to obtain a determination result; the UE receives the judgment result according to the judgment result. Into the WLAN.
  • the receiving, by the UE, the information of the 3GPP access network includes: receiving, by the UE, the information sent by the 3GPP access network by using a system message or a dedicated signaling.
  • the UE performs measurement and access determination according to the WLAN access assistance information, including: the UE measures the signal quality of the WLAN according to the WLAN access assistance information; and the UE performs an access decision according to the WLAN signal quality and the acquired WLAN access condition, The result of the judgment.
  • the WLAN access condition is configured by the network side to the UE or the UE has a preset; the WLAN The access condition is determined by the UE according to the learned information item, and the information item includes at least one of the following: a signal quality measurement result of the WLAN, a WLAN load information, and a WLAN access point priority.
  • the 3GPP access network comprises one of the following: an LTE network, a UMTS network, a global mobile communication GSM network.
  • the information includes at least one of the following: a basic service set type of the WLAN, a basic service set identifier of the WLAN, a service set identifier of the WLAN, a scan type of the UE, a waiting delay before the UE performs the active scan, before sending the sounding frame,
  • the list of channels detected when the UE scans the basic service set the minimum time taken by the UE to scan each channel, the maximum time taken by the UE to scan each channel, WLAN load information, WLAN access point media access control address, WLAN connection Entry priority.
  • the embodiment of the invention provides a network access device.
  • the network access device according to the embodiment of the present invention may be applied to a UE, including: a receiving module, configured to receive WLAN access assistance information sent by a 3GPP access network; and a processing module configured to perform measurement and connection according to WLAN access assistance information Into the judgment, the judgment result is obtained; the access module is set to access the WLAN according to the judgment result.
  • the receiving module comprises: a receiving submodule, configured to receive information sent by the 3GPP access network through a system message or a dedicated signal.
  • the processing module includes: a measurement submodule configured to measure a signal quality of the WLAN according to the WLAN access assistance information; and a decision submodule configured to perform an access decision according to the signal quality of the WLAN and the acquired WLAN access condition, and obtain a decision result.
  • a measurement submodule configured to measure a signal quality of the WLAN according to the WLAN access assistance information
  • a decision submodule configured to perform an access decision according to the signal quality of the WLAN and the acquired WLAN access condition, and obtain a decision result.
  • the WLAN access condition is configured by the network side to the UE or the UE, and the WLAN access condition is determined by the UE according to the learned information item, wherein the information item includes at least one of the following: Signal quality measurement results, WLAN load information, WLAN access point priority.
  • the embodiment of the present invention provides the UE with information for accessing the WLAN through the 3GPP access network, which can speed up the access of the UE to the WLAN and obtain subsequent data joint transmission and/or service, thereby improving the user experience.
  • BRIEF abstract The drawings are intended to provide a further understanding of the present invention, and are intended to be a part of the present invention, and the description of the present invention is not intended to limit the invention. In the drawing:
  • FIG. 1 is a flowchart of a network access method according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a network access apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram 1 of a network access device according to a preferred embodiment of the present invention.
  • FIG. 7 is a structural block diagram 2 of a network access apparatus according to a preferred embodiment of the present invention.
  • the deduplication method in the following embodiments can be applied to a server, which can be dedicated to the processing of repeated data, and can of course also be applied to a group of servers. Or it can be used as a module in the server with a server that performs other functions.
  • FIG. 1 is a flowchart of a network access method according to an embodiment of the present invention. As shown in FIG. 1, the following steps S102 to S104 are included.
  • Step S102 The UE receives the WLAN access assistance information sent by the 3GPP access network.
  • Step S104 The UE performs measurement and access determination according to the WLAN access assistance information, and obtains a determination result.
  • Step S106 The UE accesses the WLAN according to the judgment result.
  • the WLAN access assistant for accessing the WLAN is provided to the UE through the 3GPP access network.
  • the information can speed up the UE accessing the WLAN and obtain subsequent data joint transmission and/or service to improve the user experience.
  • the foregoing information may be information for shortening the time when the UE accesses the WLAN of the wireless local area network (ie, information for assisting the UE to quickly access the designated WLAN).
  • the UE may receive by using a system message or dedicated signaling.
  • the foregoing information includes at least one of the following: a Basic Service Set Type (BSSType) of the WLAN, a Basic Service Set Identifier (BSSID) of the WLAN, and a service set identifier of the WLAN ( Service Set Identifier (SIDID), the scanning type of the UE (ScanType), the waiting delay (ProbeDelay) before the UE performs the active scanning, and the channel list (ChannelList) detected by the UE when scanning the basic service set.
  • the present invention also provides two examples, which describe the decision process before the UE accesses the WLAN, as described below.
  • the UE measures the signal quality of the WLAN according to the information; the UE reports the measurement result through the transmission link with the 3GPP access network; the UE receives the indication information from the 3GPP access network for indicating that the UE accesses the WLAN.
  • the indication information is determined after the 3GPP access network determines that the measurement result meets a certain measurement threshold, and the decision may consider information such as the WLAN load condition and the WLAN access point priority.
  • the UE measures the signal quality of the WLAN according to the information; the UE determines that the optional information item such as the measurement result and the WLAN load condition satisfies the learned WLAN access condition; and the UE performs the operation of accessing the WLAN.
  • This example is directly determined by the UE and accesses the WLAN.
  • the implementation is simple and fast.
  • the foregoing 3GPP access network includes one of the following: an LTE network, a UMTS network, and a GSM network.
  • the network element in the 3GPP access network may be an access network element node of a 3GPP different radio access technology (Radio Access Technology, RAT for short), for example, in an LTE network.
  • the Evolved Node B referred to as the eNB
  • the radio network controller Radio Network Controller, RNC for short
  • the base station Node B
  • RNS base station
  • BSC Base Station Controller
  • BTS Base Transceiver Station
  • the foregoing embodiment avoids the wide-ranging and unintentional scanning of the user terminal, detecting the WLAN full-band signal, or initiating a connection attempt to the WLAN that is not suitable for access (that is, the WLAN that is not deployed by the same carrier as the 3GPP access network). This greatly saves the time required for the terminal to access the appropriate WLAN, so that subsequent multi-network joint transmission can be performed more quickly.
  • the preferred embodiment 1 describes that the 3GPP access network sends information through the system message.
  • the UE side When the UE side has a service requirement, it initiates measurement of the WLAN signal specified in the information and performs an access decision. When the decision result satisfies the WLAN access condition, Access to the WLAN
  • FIG. 2 is an interaction flowchart according to a preferred embodiment of the present invention. As shown in FIG. 2, the UE is supported.
  • the 3GPP and WLAN-enabled multi-mode mobile phones can be divided into idle state UEs and connected state UEs according to their presence/connection to the 3GPP cell; the wireless signal coverage of the 3GPP access network network elements is deployed by the same carrier.
  • the WLAN access point network element co-station or remote
  • the preferred embodiment 1 includes the following steps S202 to S208.
  • Step S202 the system message broadcasted by the network element of the 3GPP access network includes information that the auxiliary UE quickly accesses the designated WLAN (corresponding to a WLAN access point in the figure, possibly multiple), such as a BSSID and a ChannelList, and the system message may be Received by the idle state UE and the connected state UE.
  • the designated WLAN corresponding to a WLAN access point in the figure, possibly multiple
  • the system message may be Received by the idle state UE and the connected state UE.
  • Step S204 Both the connected UE and the idle UE can receive and read the system message continuously broadcast by the 3GPP access network element, and the UE can measure the WLAN signal indicated in the message when there is a service requirement.
  • Step S206 The UE determines that the WLAN access point network satisfies the WLAN access condition.
  • the UE may know the WLAN access condition in two ways:
  • the UE itself may have preset a WLAN access condition (such as a WLAN signal quality threshold); or, the condition may also be accessed by the UE.
  • the network side is sent to the UE by using a message, which may be a dedicated signaling or a system message.
  • the WLAN auxiliary information described in S202 may be carried in the same system message for broadcast.
  • the setting of the WLAN access condition value may be a threshold that is only identified by the wireless signal quality, or may be a combination of signal quality, network load of each WLAN access point, priority of each WLAN access point, and the like.
  • the information about the network load of each WLAN access point and the priority of each WLAN access point is an optional information item that is determined by the 3GPP access network element to be sent to the UE, and may be carried in the WLAN auxiliary information or other wireless messages. .
  • Step S208 The existing WLAN access procedure is used to establish an association between the UE and the WLAN access point.
  • the UE is a multimode mobile phone that has access to a 3GPP cell, supports 3GPP and WLAN functions, and wireless signal coverage of a 3GPP access network network element. There are WLAN access point network elements.
  • the preferred embodiment 2 includes the following steps S302 to S310.
  • step S302 when the network element of the 3GPP access network has a demand such as data offloading, the network element sends the information that can assist the UE to quickly access the specified WLAN to the UE through dedicated signaling, such as SSID and ChannelList.
  • the dedicated signaling may be a Radio Resource Control (RRC) message, such as an RRC Connection Reconfiguration message, or other newly added air interface message.
  • RRC Radio Resource Control
  • Step S304 After receiving the message, the UE measures the WLAN signal indicated in the message, and sends the measurement result to the 3GPP access network element.
  • Step S306 if the measurement result meets a certain threshold, the 3GPP access network element may determine that the UE accesses the WLAN after the network element is determined.
  • Step S308 The existing WLAN access procedure is used to establish an association between the UE and the WLAN access point.
  • step S310 after the association is successfully established, the UE may notify the 3GPP access network element of the information about accessing the WLAN, and the information may be carried in the RRC Connection Reconfiguration Complete message, or other step S302. Add a reply message corresponding to the air interface message.
  • the WLAN access point 1 is a WLAN network in which a network element of a 3GPP access network can perform data offloading
  • the WLAN access point 2 is a 3GPP access.
  • the preferred embodiment 3 includes the following steps S402 to S412.
  • Step S402 The UE discovers the WLAN access point 2 by scanning, establishes association with the WLAN, accesses the WLAN, and performs data transmission.
  • Step S404 The UE establishes a service connection in the camped 3GPP cell due to the upper layer service requirement. Therefore, the UE establishes a connection bearer with the 3GPP access point network element by using a normal RRC connection establishment process.
  • Step S406 When the 3GPP access network element has a demand such as data offloading, the network element sends the information that can assist the UE to quickly access the designated WLAN access point 1 to the UE by using dedicated signaling (such as an RRC Connection Reconfiguration message). , such as SSID and ChannelList.
  • dedicated signaling such as an RRC Connection Reconfiguration message.
  • Step S408 After receiving the dedicated signaling, the UE measures the WLAN access point 1 signal indicated in the message.
  • Step S410 The UE determines that the measurement result satisfies the WLAN access condition. If the WLAN access assistance information carries information such as the WLAN load condition (or the UE has previously known through other messages), the UE performs a comprehensive judgment according to the foregoing information.
  • the WLAN load situation and the WLAN access point priority and the like are more suitable when there is more than one available WLAN network (if there are WLAN access points 1 and WLAN access points 3 are 3GPP access network elements can be performed) Data offloaded WLAN network).
  • Step S412 according to the existing WLAN procedure, the UE switches from the WLAN access point 2 to the WLAN access point 1.
  • the steps shown in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and, although the logical order is shown in the flowchart, in some cases, The steps shown or described may be performed in an order different than that herein.
  • FIG. 5 is a structural block diagram of a network access device according to an embodiment of the present invention. As shown in FIG. 5, the receiving module 51, the processing module 52, and the access module 53 are provided. The structure thereof will be described in detail below.
  • the receiving module 51 is configured to receive the WLAN access assistance information sent by the 3GPP access network
  • the processing module 52 is connected to the receiving module 51, and is configured to perform measurement and access determination according to the WLAN access assistance information received by the receiving module 51.
  • the decision result is obtained;
  • the access module 53 is connected to the processing module 52, and is configured to access the WLAN according to the decision result processed by the processing module 52.
  • FIG. 6 is a structural block diagram of a network access device according to a preferred embodiment of the present invention.
  • the receiving module 51 includes: a receiving submodule 511, configured to receive a 3GPP access network by using a system message or dedicated signaling. Information.
  • FIG. 7 is a structural block diagram 2 of a network access apparatus according to a preferred embodiment of the present invention.
  • the processing module 52 includes: a measurement submodule 521 and a decision submodule 522, which are described in detail below.
  • the measurement sub-module 521 is configured to measure the signal quality of the WLAN according to the WLAN access assistance information; the decision sub-module 522 is connected to the measurement sub-module 521, and is set to the WLAN signal quality and the acquired WLAN access measured according to the measurement sub-module 521 The condition is used to access the decision and the decision result is obtained.
  • the WLAN access condition is a signal quality threshold
  • the threshold is configured by the network side to the UE or the UE
  • the WLAN access condition is determined by the UE according to the learned information item.
  • the information item includes at least one of the following: signal quality measurement results of the WLAN, WLAN load information, and WLAN access point priority.
  • the embodiment of the present invention provides the WLAN access assistance information for accessing the WLAN through the 3GPP access network, which can speed up the access of the UE to the WLAN and obtain subsequent data joint transmission and/or service, thereby improving the user experience.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any particular combination of hardware and software.
  • the embodiment of the present invention provides the UE with information for accessing the WLAN through the 3GPP access network, which can speed up the access of the UE to the WLAN and obtain subsequent data joint transmission and/or service, thereby improving the user experience.

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

Abstract

本发明实施例公开了一种网络接入方法及装置。该方法包括：UE接收3GPP接入网发送的WLAN接入辅助信息；UE根据该信息测量WLAN无线信号质量并进行接入判决，得到判决结果；UE根据判决结果接入WLAN。本发明可以加快该UE接入该WLAN并获得后续的数据联合传输和/或服务，提高用户体验。

Description

网络接入方法及装置
技术领域
本发明涉及通信领域， 具体而言， 涉及一种网络接入方法及装置。 背景技术
随着无线通信技术和协议标准的不断演进， 移动分组业务得到了巨大的 发展，单个终端的数据吞吐能力不断提升。以长期演进（ Long Term Evolution, 简称为 LTE ) 系统为例， 在 20M带宽内可以支持下行最大速率为 100Mbps 的数据传输； 后续的增强的 LTE ( LTE Advanced ) 系统中， 数据的传输速率 将进一步提升， 甚至可以达到 lGbps。
终端数据业务量膨胀式的增长， 使得现有的网络资源渐渐力不从心， 尤 其是在新一代通信技术（如 3G、 LTE )还无法广泛布网的情况下， 随之而来 的是用户速率和流量需求无法满足， 用户的体验变差。 如何预防和改变这一 情况是运营商必须考虑的问题， 一方面需要加快新技术的推广和网络部署； 另一方面， 希望能够通过对现有网络和技术进行增强， 以达到快速提升网络 性能的目的。众所周知，在第三代合作伙伴计划（ The 3rd Generation Partnership Project, 简称为 3GPP )提供的无线网络技术之外， 当前已经普遍应用的无线 局域网（ Wireless Local Area Network,简称为 WLAN ),尤其^ ^于 IEEE802.i l 标准的无线局域网已经在家庭、 企业甚至是互联网被广泛应用于热点接入覆 盖。 其中， 由 WIFI联盟（Wi-Fi Alliance )提出的技术规范应用最广， 因此实 际中 WIFI网络经常跟基于 IEEE 802.11标准的 WLAN划等号。
在这一前提下， 各运营商及公司已经提出将 WLAN与现有的 3GPP接入 网进行融合， 实现联合传输， 以达到负荷分流和提高网络性能的目的。 例如， 在早期版本的标准中， 3GPP 已经制定了 3GPP 接入网与 WLAN 互通 ( Interworking ) 的相关协议， 该互通架构依赖于运营商拥有独立的 3GPP接 入网和独立完整的 WLAN,两个网络的数据流都需要经过 3GPP核心网网元。 另外还有如英特尔 （Intel )提出的一种类似载波聚合的网络融合方案， 在该 融合架构下 3GPP与 WLAN仍是两个独立的接入网络， 但 WLAN仅是作为 现有 3GPP接入网中接入网和用户终端 （User Equipment, 简称为 UE )之间 传输的一个数据连接存在， 接入网对 UE的主要管理和可能的部分用户数据 是在基于 3GPP接入网的连接上进行传输。 可以看到， 无论在哪种联合传输 的方案下， UE都需要分别接入 3GPP与 WLAN两个独立的接入网络（ 3GPP 接入网网元和 WLAN接入点） 。
但是， 相关技术中， 由于 UE要扫描 WLAN频段去探测是否有可用的 WLAN, 从而使得 UE接入 WLAN的时间较长（目前 UE接入 3GPP接入网 的时间是毫秒级，接入 WLAN的时间是秒级 ) ,进而使得驻留在 /连接于 3GPP 小区的 UE需要较长时间才能接入适用的 WLAN (该适用的 WLAN具体是指 部署 3GPP接入网的运营商部署的 WLAN, 或者说 3GPP接入网可与之进行 数据联合传输等业务的 WLAN )并获得后续的数据联合传输和 /或其它服务， 因此用户体验不高。
发明内容
本发明实施例提供了一种网络接入方法及装置， 以至少解决由于驻留在 / 连接于 3GPP小区的 UE要扫描 WLAN频段去探测是否有可用的 WLAN, 因 此该 UE需要较长时间才能接入适用的 WLAN并获得后续的数据联合传输和 /或其它服务， 因此用户体验不高的问题。
本发明实施例提供了一种网络接入方法。 根据本发明实施例的网络接入 方法包括： UE接收 3GPP接入网发送的 WLAN接入辅助信息； UE根据该信 息测量 WLAN无线信号质量并进行接入判决， 得到判决结果； UE根据判决 结果接入 WLAN。
优选地， UE接收 3GPP接入网的信息包括： UE通过系统消息或者专用 信令接收 3GPP接入网发送的信息。
优选地， UE根据 WLAN接入辅助信息进行测量与接入判决包括： UE根 据 WLAN接入辅助信息测量 WLAN的信号质量； UE根据 WLAN的信号质 量和获取的 WLAN接入条件进行接入判决， 得到判决结果。
优选地， WLAN接入条件由网络侧配置给 UE或 UE已有预置； WLAN 接入条件由 UE根据获知的信息项进行综合排序后判决得出， 其中信息项包 括以下至少之一： WLAN的信号质量测量结果、 WLAN负荷信息、 WLAN接 入点优先级。
优选地， 3GPP接入网包括以下之一： LTE网络、 UMTS网络、 全球移动 通信 GSM网络。
优选地， 信息包括以下至少之一： WLAN的基本服务集类型、 WLAN的 基本服务集标识、 WLAN的服务集标识、 UE的扫描类型、 UE执行主动扫描 时在发送探测帧前的等待时延、 UE扫描基本服务集时检测的信道列表、 UE 扫描每个信道时花费的最短时间、 UE 扫描每个信道时花费的最长时间、 WLAN负荷信息、 WLAN接入点媒体接入控制地址、 WLAN接入点优先级。
本发明实施例提供了一种网络接入装置。 根据本发明实施例的网络接入 装置可以应用于 UE,包括：接收模块，设置为接收 3GPP接入网发送的 WLAN 接入辅助信息； 处理模块， 设置为根据 WLAN接入辅助信息进行测量与接入 判决， 得到判决结果； 接入模块， 设置为根据判决结果接入 WLAN。
优选地， 接收模块包括： 接收子模块， 设置为通过系统消息或者专用信 令接收 3GPP接入网发送的信息。
优选地， 处理模块包括： 测量子模块， 设置为根据 WLAN接入辅助信息 测量 WLAN的信号质量； 判决子模块， 用于根据 WLAN的信号质量和获取 的 WLAN接入条件进行接入判决， 得到判决结果。
优选地， WLAN接入条件由网络侧配置给 UE或 UE已有预置； WLAN 接入条件由 UE根据获知的信息项进行综合排序后判决得出， 其中信息项包 括以下至少之一： WLAN的信号质量测量结果、 WLAN负荷信息、 WLAN接 入点优先级。
本发明实施例通过 3GPP接入网给 UE提供用于接入该 WLAN的信息， 可以加快该 UE接入该 WLAN并获得后续的数据联合传输和 /或服务，提高用 户体验。 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是根据本发明实施例的网络接入方法的流程图；
图 2是根据本发明优选实施例一的交互流程图；
图 3是根据本发明优选实施例二的交互流程图；
图 4是根据本发明优选实施例三的交互流程图；
图 5是根据本发明实施例的网络接入装置的结构框图；
图 6是根据本发明优选实施例的网络接入装置的结构框图一；
图 7是根据本发明优选实施例的网络接入装置的结构框图二。
本发明的较佳实施方式
下面将参考附图来详细说明本发明的实施例。 需要说明的是， 在不冲突 的情况下 , 本申请中的实施例及实施例中的特征可以相互组合。
以下实施例中的重复数据处理方法可以应用在服务器上， 该服务器可以 专用于进行重复数据的处理， 当然也可以应用于一组服务器上。 或者也可以 作为服务器中的一个模块与执行其他功能的服务器公用。
图 1是根据本发明实施例的网络接入方法的流程图， 如图 1所示， 包括 如下的步骤 S102至步骤 S104。
步骤 S102, UE接收 3GPP接入网发送的 WLAN接入辅助信息。
步骤 S104, UE根据 WLAN接入辅助信息进行测量与接入判决， 得到判 决结果。
步骤 S106, UE根据判决结果接入 WLAN。
相关技术中， 由于驻留在 /连接于 3GPP接入网的 UE要扫描 WLAN频段 去探测是否有可用的 WLAN, 因此该 UE 需要较长时间才能接入适用的 WLAN并获得后续的数据联合传输和 /或服务， 因此用户体验不高。 本发明实 施例中，通过 3GPP接入网给 UE提供用于接入该 WLAN的 WLAN接入辅助 信息， 可以加快该 UE接入该 WLAN并获得后续的数据联合传输和 /或服务， 提高用户体验。 需要说明的是， 上述信息可以是用于缩短 UE接入无线局域网 WLAN的 时间的信息 （即辅助 UE快速接入指定 WLAN的信息） 。
需要说明的是，对于上述信息， UE可以通过系统消息或者专用信令进行 接收。 并且， 上述信息包括以下至少之一： WLAN的基本服务集类型 （Basic Service Set Type,简称为 BSSType )、 WLAN的基本服务集标识（ Basic Service Set Identifier, 简称为 BSSID ) 、 WLAN的服务集标识（ Service Set Identifier, 简称为 SSID ) 、 UE的扫描类型（ScanType ) 、 UE执行主动扫描时在发送探 测帧前的等待时延（ProbeDelay ) 、 UE扫描基本服务集时检测的信道列表 ( ChannelList ) 、 UE扫描每个信道时花费的最短时间 （ MinChannelTime ) 、 UE扫描每个信道时花费的最长时间 （ MaxChannelTime ) 、 WLAN负荷信息、 WLAN接入点媒体接入控制地址、 WLAN接入点优先级。
本发明还提供了两个实例， 该实例描述了在 UE接入 WLAN之前决策过 程， 具体描述如下。
实例 1
UE根据信息测量 WLAN的信号质量； UE通过与 3GPP接入网之间的传 输链路上报测量结果； UE接收来自 3GPP接入网的用于指示 UE接入 WLAN 的指示信息。 其中， 该指示信息是 3GPP接入网判断该测量结果满足一定的 测量门限之后决定发送的，该决定可能同时考虑了 WLAN的负荷情况、 WLAN 接入点优先级等信息。
实例 2
UE根据信息测量 WLAN的信号质量； UE确定测量结果及 WLAN负荷 情况等可选信息项满足已获知的 WLAN接入条件； UE执行接入 WLAN的操 作。 本实例由 UE直接确定并接入 WLAN, 其实现方式简便、 快捷。
另夕卜， 上述 3GPP接入网包括以下之一： LTE网络、 UMTS网络、 GSM 网络。并且，该 3GPP接入网中的网元可以是 3GPP不同无线接入技术（Radio Access Technology , 简称为 RAT )的接入网网元节点， 例如， 在 LTE网络中 指演进型基站（Evolved Node B, 简称为 eNB ) 、 在 UMTS网络中指无线网 络控制器（ Radio Network Controller, 简称为 RNC )和基站（ Node B ) (统 称无线网络子系统 RNS ) 、 在 GSM 网络中指基站控制器 （Base Station Controller, 简称为 BSC )和基站（ Base Transceiver Station, 简称为 BTS ) 。 需要说明的是， 上述 BSC和 BTS可以统称基站系统 BSS。
上述实施例避免了用户终端宽泛、 漫无目的的扫描、探测 WLAN全频段 信号或对某不适宜接入的 WLAN (即与 3GPP接入网不属于同一运营商部署 的 WLAN )发起连接尝试， 由此极大的节省了终端接入适当的 WLAN所需的 时间， 使得后续的多网络联合传输可更快速的执行。
下面对本发明优选实施例的实现过程进行详细描述。
优选实施例一
本优选实施例一描述了 3GPP接入网通过系统消息发送信息， UE侧有业 务需求时， 自身发起对信息中指定的 WLAN信号的测量并进行接入判决， 在 判决结果满足 WLAN接入条件时接入该 WLAN„
图 2是根据本发明优选实施例一的交互流程图，如图 2所示， UE为支持
3GPP和 WLAN功能的多模手机， 依据其驻留在 /连接于 3GPP小区可将其分 为空闲态 UE和连接态 UE; 3GPP接入网网元的无线信号覆盖范围内有同运 营商部署的 WLAN接入点网元（共站或拉远）， 本优选实施例一包括如下的 步骤 S202至步骤 S208。
步骤 S202, 3GPP接入网网元广播的系统消息中包含辅助 UE快速接入指 定 WLAN (相当于图中的 WLAN接入点， 可能有多个） 的信息， 如 BSSID 和 ChannelList等， 系统消息可被空闲态 UE和连接态 UE接收。
步骤 S204, 连接态 UE和空闲态 UE都可以接收并读取 3GPP接入网网 元持续广播的系统消息， UE在有业务需求时可对消息中指示的 WLAN信号 进行测量。
步骤 S206 , UE判断某 WLAN接入点网络满足 WLAN接入条件。
UE获知 WLAN接入条件可以有两种方式： UE自身可能已经预置了一个 WLAN接入条件（如 WLAN信号质量门限值）； 或者， 该条件也可能由接入 网侧通过消息发送给 UE, 该消息可以是专用信令或系统消息， 例如可以和 S202中所述的 WLAN辅助信息携带在同一条系统消息中进行广播。
具体来讲， WLAN接入条件值的设置可以是一个仅由无线信号质量标识 的门限， 也可以是一个结合了信号质量、 各 WLAN接入点网络负荷情况、 各 WLAN接入点优先级等信息进行综合排序判决后确定的结果。其中，各 WLAN 接入点网络负荷情况和各 WLAN接入点优先级等信息是由 3GPP接入网网元 决定是否发送给 UE的可选信息项， 可以携带在 WLAN辅助信息或其他无线 消息中。
步骤 S208 , 利用现有的 WLAN接入流程， UE与 WLAN接入点间建立 关联。
优选实施例二
图 3是根据本发明优选实施例二的交互流程图，如图 3所示， UE是已接 入 3GPP小区、支持 3GPP和 WLAN功能的多模手机； 3GPP接入网网元的无 线信号覆盖范围内有 WLAN接入点网元。 本优选实施例二包括如下的步骤 S302至步骤 S310。
步骤 S302, 当 3GPP接入网网元有例如数据分流等需求时， 该网元将可 辅助 UE快速接入指定 WLAN的信息通过专用信令发送给 UE, 如 SSID和 ChannelList等。 该专用信令可以是无线资源控制 （Radio Resource Control, RRC ) 消息， 如 RRC连接重配置 （ RRC Connection Reconfiguration ) 消息， 或其他新增空口消息。
步骤 S304, UE收到消息后对消息中指示的 WLAN信号进行测量， 并将 测量结果上 4艮给 3GPP接入网网元。
步骤 S306, 如果测量结果满足一定门限， 3GPP接入网网元判决后可指 示 UE接入 WLAN„
如果有一个以上可用的 WLAN网络，且 3GPP接入网网元已知各 WLAN 网络的负荷情况、 各 WLAN接入点的优先级等信息， 该判决也可以是 3GPP 接入网网元将上述信息进行综合排序判决后确定的一个结果， 即接入网将综 合条件最优的 WLAN网络标识指示给 UE去接入。 步骤 S308 , 利用现有的 WLAN接入流程， UE与 WLAN接入点间建立 关联。
步骤 S310,关联建立成功后， UE可将接入 WLAN这一信息通知给 3GPP 接入网网元， 该信息可携带在 RRC 连接重配置完成 （RRC Connection Reconfiguration Complete ) 消息中， 或其他与步骤 S302新增空口消息对应的 回复消息。
优选实施例三
图 4是根据本发明优选实施例三的交互流程图， 如图 4所示， WLAN接 入点 1为 3GPP接入网网元可以进行数据分流的 WLAN网络， WLAN接入点 2为 3GPP接入点网元不能进行数据分流的 WLAN网络。 本优选实施例三包 括如下的步骤 S402至步骤 S412。
步骤 S402, UE通过扫描发现 WLAN接入点 2,并与该 WLAN建立关联、 接入该 WLAN并进行数据传输。
步骤 S404, UE因上层业务需求要在驻留的 3GPP小区中建立业务连接， 因此 UE通过正常的 RRC连接建立过程与 3GPP接入点网元建立了连接承载。
步骤 S406, 当 3GPP接入网网元有例如数据分流等需求时， 该网元将可 辅助 UE 快速接入指定 WLAN接入点 1 的信息通过专用信令（如 RRC Connection Reconfiguration消息 )发送给 UE, 如 SSID和 ChannelList等。
步骤 S408 , UE接收到该专用信令后， 对消息中指示的 WLAN接入点 1 信号进行测量。
步骤 S410, UE判断测量结果满足 WLAN接入条件； 如果 WLAN接入 辅助信息中携带了 （或者 UE之前通过其他消息已知了） WLAN负荷情况等 信息， 则 UE根据上述信息进行综合判决。
显然 , WLAN负荷情况及 WLAN接入点优先级等类似信息更适用于有一 个以上可用的 WLAN网络时（如有 WLAN接入点 1、 WLAN接入点 3都是 3GPP接入网网元可以进行数据分流的 WLAN网络） 。
步骤 S412, 根据现有 WLAN流程， UE从 WLAN接入点 2切换接入至 WLAN接入点 1。 需要说明的是， 在附图的流程图示出的步骤可以在诸如一组计算机可执 行指令的计算机系统中执行， 并且， 虽然在流程图中示出了逻辑顺序， 但是 在某些情况下， 可以以不同于此处的顺序执行所示出或描述的步骤。
本发明实施例提供了一种网络接入装置， 该网络接入装置可以应用于 UE, 并用于实现上述网络接入方法。 图 5是根据本发明实施例的网络接入装 置的结构框图， 如图 5所示， 包括接收模块 51、 处理模块 52和接入模块 53 , 下面对其结构进行详细描述。
接收模块 51 ,设置为接收 3GPP接入网发送的 WLAN接入辅助信息； 处 理模块 52, 连接至接收模块 51 , 设置为根据接收模块 51接收到的 WLAN接 入辅助信息进行测量与接入判决， 得到判决结果； 接入模块 53 , 连接至处理 模块 52, 设置为根据处理模块 52处理得到的判决结果接入 WLAN。
图 6是根据本发明优选实施例的网络接入装置的结构框图一， 如图 6所 示， 接收模块 51包括： 接收子模块 511 , 设置为通过系统消息或者专用信令 接收 3GPP接入网发送的信息。
图 7是根据本发明优选实施例的网络接入装置的结构框图二， 如图 7所 示， 处理模块 52包括： 测量子模块 521和判决子模块 522, 下面对其结构进 行详细描述。
测量子模块 521 ,设置为根据 WLAN接入辅助信息测量 WLAN的信号质 量； 判决子模块 522, 连接至测量子模块 521 , 设置为根据测量子模块 521测 量的 WLAN的信号质量和获取的 WLAN接入条件进行接入判决， 得到判决 结果。
优选地， WLAN接入条件是一个信号质量阔值， 该阔值由网络侧配置给 UE或 UE已有预置； WLAN接入条件由 UE根据获知的信息项进行综合排 序后判决得出，其中信息项包括以下至少之一： WLAN的信号质量测量结果、 WLAN负荷信息、 WLAN接入点优先级。
需要说明的是， 装置实施例中描述的网络接入装置对应于上述的方法实 施例， 其具体的实现过程在方法实施例中已经进行过详细说明， 在此不再赘 述。 综上所述，根据本发明的上述实施例， 提供了一种网络接入方法及装置。 本发明实施例通过 3GPP接入网给 UE提供用于接入该 WLAN的 WLAN接入 辅助信息，可以加快该 UE接入该 WLAN并获得后续的数据联合传输和 /或服 务， 提高用户体验。
显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现， 它们可以集中在单个的计算装置上， 或者分布 在多个计算装置所组成的网络上， 可选地， 它们可以用计算装置可执行的程 序代码来实现， 从而， 可以将它们存储在存储装置中由计算装置来执行， 或 者将它们分别制作成各个集成电路模块， 或者将它们中的多个模块或步骤制 作成单个集成电路模块来实现。 这样， 本发明不限制于任何特定的硬件和软 件结合。
以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。
工业实用性 本发明实施例通过 3GPP接入网给 UE提供用于接入该 WLAN的信息， 可以加快该 UE接入该 WLAN并获得后续的数据联合传输和 /或服务，提高用 户体验。

Claims

权 利 要 求 书
1.一种网络接入方法， 其包括：
用户设备 UE接收第三代合作伙伴计划 3GPP接入网发送的无线局域网 WLAN接入辅助信息；
所述 UE根据所述 WLAN接入辅助信息进行测量与接入判决， 得到判决 结果；
所述 UE根据所述判决结果接入 WLAN。
2.根据权利要求 1所述的方法， 其中， 所述 UE接收 3GPP接入网发送的 WLAN接入辅助信息包括： 所述 UE通过系统消息或者专用信令接收所述 3GPP接入网发送的 WLAN接入辅助信息。
3.根据权利要求 1所述的方法， 其中， 所述 UE根据所述 WLAN接入辅 助信息进行测量与接入判决包括：
所述 UE根据所述 WLAN接入辅助信息测量所述 WLAN的信号质量； 所述 UE根据所述 WLAN的信号质量和获取的 WLAN接入条件进行接 入判决， 得到所述判决结果。
4.根据权利要求 3所述的方法， 其中， 所述 WLAN接入条件由网络侧配 置给所述 UE或所述 UE已有预置； 所述 WLAN接入条件由所述 UE根据获 知的信息项进行综合排序后判决得出， 其中所述信息项包括以下至少之一： 所述 WLAN的信号质量测量结果、 WLAN负荷信息、 WLAN接入点优先级。
5.根据权利要求 1至 4中任一项所述的方法， 其中， 所述 3GPP接入网 包括以下之一： 长期演进 LTE网络、 通用移动通信系统 UMTS网络、 全球移 动通信 GSM网络。
6.根据权利要求 1至 4中任一项所述的方法， 其中， 所述 WLAN接入辅 助信息包括以下至少之一： 所述 WLAN的基本服务集类型、 所述 WLAN的 基本服务集标识、 所述 WLAN的服务集标识、 所述 UE 的扫描类型、 所述 UE执行主动扫描时在发送探测帧前的等待时延、所述 UE扫描基本服务集时 检测的信道列表、所述 UE扫描每个信道时花费的最短时间、所述 UE扫描每 个信道时花费的最长时间、 WLAN负荷信息、 WLAN接入点媒体接入控制地 址、 WLAN接入点优先级。
7.—种网络接入装置， 应用于用户设备 UE, 其包括：
接收模块， 其设置为接收第三代合作伙伴计划 3GPP接入网发送的无线 局域网 WLAN接入辅助信息；
处理模块， 其设置为根据所述 WLAN接入辅助信息进行测量与接入判 决， 得到判决结果； 以及
接入模块， 其设置为根据所述判决结果接入所述 WLAN。
8.根据权利要求 7所述的装置， 其中， 所述接收模块包括： 接收子模块， 其设置为通过系统消息或者专用信令接收所述 3GPP接入网发送的 WLAN接 入辅助信息。
9.根据权利要求 7所述的装置， 其中， 所述处理模块包括：
测量子模块， 其设置为根据所述 WLAN接入辅助信息测量所述 WLAN 的信号质量； 以及
判决子模块， 其设置为根据所述 WLAN的信号质量和获取的 WLAN接 入条件进行接入判决， 得到所述判决结果。
10.根据权利要求 9所述的装置， 其中， 所述 WLAN接入条件由网络侧 配置给所述 UE或所述 UE已有预置； 所述 WLAN接入条件由所述 UE根据 获知的信息项进行综合排序后判决得出，其中所述信息项包括以下至少之一： 所述 WLAN的信号质量测量结果、 WLAN负荷信息、 WLAN接入点优先级。
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