CN105103626B - 无线局域网(wlan)选择规则 - Google Patents

无线局域网(wlan)选择规则 Download PDF

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CN105103626B
CN105103626B CN201480017253.8A CN201480017253A CN105103626B CN 105103626 B CN105103626 B CN 105103626B CN 201480017253 A CN201480017253 A CN 201480017253A CN 105103626 B CN105103626 B CN 105103626B
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wlan
rule
selection preference
plmn
wlan selection
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CN105103626A (zh
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维韦克·古普塔
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Apple Inc
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Apple Inc
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Abstract

在实施例中描述了用于识别在用户设备(UE)的重关联过程中被UE使用的无线局域网(WLAN)选择偏好规则的装置、方法和存储介质。UE可使用该WLAN选择偏好规则来识别UE应与之关联的WLAN。

Description

无线局域网(WLAN)选择规则
相关申请交叉引用
本申请要求于2013年4月26日递交的题为“Advanced Wireless CommunicationSystems and Techniques”的美国临时专利申请No.61/816,662的优先权，其全部公开内容被通过引用结合于此。
技术领域
本发明的实施例一般地涉及无线局域网(WLAN)选择的技术领域。
背景技术
本公开中提供的背景描述是为了大致展示本公开的背景。目前署名的发明人的工作(到这个背景技术部分中所描述的程度)以及说明书中在递交时可能不能以其他方式作为现有技术的方面既不明确地也不隐含地被承认为抵触本公开的现有技术。除非本公开中另有指示，否则这部分中所描述的途径对于本公开中的权利要求而言不是现有技术，并且不因被包括在这部分中而被承认是现有技术。
在一些情形中，第三代合作伙伴计划(3GPP)网络的用户设备(UE)可能希望连接到WLAN。在一些情形中，3GPP网络的实体可以向UE提供一个或多个WLAN选择规则，并且UE可以使用这些WLAN选择规则来选择它可以与之关联或连接的WLAN。然而，在一些情形中，例如在信号重关联过程(例如，上电过程或信号丢失恢复(loss-of-signal recovery)过程)中，UE可能不被连接到3GPP网络。因此，3GPP网络的实体可能不能在重关联过程中向UE提供WLAN选择规则。
附图说明
通过结合附图的以下详细描述将容易理解实施例。为了协助该描述，相似标号指代相似的结构元素。实施例在附图中以示例的方式而不是以限制的方式被示出。
图1根据各个实施例，示意性地示出了包括UE和基站的网络的高层级示例。
图2根据各个实施例，示意性地示出了包括UE、多个公共陆地移动网(PLMN)以及多个WLAN的网络的高层级示例。
图3根据各个实施例，示出了在上电过程中可由UE执行的过程。
图4根据各个实施例，示出了在上电过程中可由UE执行的过程的替代示例。
图5根据各个实施例，示出了在UE的信号丢失恢复过程中可由UE执行的过程的示例。
图6示意性地示出了可被用于实现本公开中所描述的各个实施例的示例性系统。
具体实施方式
本公开描述了用于在重关联过程(例如，信号丢失恢复过程或上电过程)中识别UE所要使用的WLAN选择偏好规则的装置、方法和存储介质。在实施例中，该WLAN选择偏好规则可由UE的归属PLMN(HPLMN)预先提供。
在以下具体实施方式中，参考形成本申请的一部分的附图，其中，在附图中相似的标号指代相似的部分，并且在附图中以示例的方式示出了可被实施的实施例。应该理解的是，在不脱离本公开的范围的情况下，可使用其他实施例并可以做出结构或逻辑上的改变。因此，以下具体实施方式不应被认为是限制意义的。
各种操作可以以最有助于理解所要求保护的主题的方式被描述为依次进行的多个离散的动作或操作。然而，描述的顺序不应被解释为暗示这些操作必须是基于顺序的。具体地，这些操作可以不按照展示的顺序来执行。所描述的操作可以按照与所描述的实施例不同的顺序来执行。在附加实施例中，各种附加操作可被执行和/或所描述的操作可被省略。
对于本公开，短语“A和/或B”和“A或B”意味着(A)、(B)或(A和B)。对于本公开，短语“A、B和/或C”意味着(A)、(B)、(C)、(A和B)、(A和C)、(B和C)或(A、B和C)。
说明书可能使用短语“在一个实施例中”或“在多个实施例中”，每个短语指的是相同或不同实施例中的一个或多个。此外，针对本公开的实施例所使用的术语“包括”、“具有”等是同义的。
如本公开中所探讨的，术语“模块”可被用于指代系统的一个或多个物理或逻辑组件或元件。在一些实施例中，模块可以是单独的电路，而在其他实施例中，模块可包括多个电路。
图1根据各个实施例示意性地示出了无线通信网络100(下文称为“网络100”)。网络100可以包括与接入节点105以通信方式耦合的UE 110。在一些实施例中，网络100可以是3GPP长期演进(LTE)网络的接入网，例如，演进的通用陆地无线电接入网(E-UTRAN)。在这些实施例中，接入节点105可以是被配置为使用无线协议(例如，3GPP LTE无线协议)来与UE110进行无线通信的eNodeB(eNB，也被称为演进的NodeB)。在其他实施例中，网络100可以是WLAN，例如，由一个或多个电气与电子工程师协会(IEEE)802.11标准描述的WiFi网络，并且接入节点105可以是WiFi接入点(AP)。在一些实施例中，网络100可包括与UE 110通信的WiFi AP和LTE eNB二者。
如图1所示，UE 110可包括收发器模块122，该模块还可被称为多模式收发器芯片。收发器模块122可被配置为使用一个或多个协议(例如，LTE和/或WiFi)来发送和接收信号。具体地，收发器模块122可与UE 110的多个天线125中的一个或多个耦合，以与网络100的其他组件(例如，接入节点105或另一UE)进行无线通信。天线125可由功率放大器130供电，该功率放大器130可以是收发器模块122的组件(如图1所示)，或者可以与收发器模块122耦合。在一个实施例中，功率放大器130可以为天线125上的所有传输供电。在其他实施例中，在UE 110上可能存在多个功率放大器。使用多个天线125可允许UE 110使用传输分集技术，例如，空间正交资源传输分集(SORTD)、多输入多输出(MIMO)或全维MIMO(FD-MIMO)。
在某些实施例中，收发器模块122可包括通信模块120(可被称为宽带模块)，该通信模块120可包含发送器电路145和接收器电路150二者，发送器电路145被配置为使天线125发送来自UE 110的一个或多个信号，接收器电路150被配置为处理由天线125接收的信号。在其他实施例中，通信模块120可在分离的芯片或模块中实现，例如，一个芯片包括接收器电路150而另一个芯片包括发送器电路145。在一些实施例中，所发送或接收的信号可以是被发送到WLAN AP或从WLAN AP接收的WLAN信号。在其他实施例中，这些信号可以是被发送到3GPP eNB或从3GPP eNB接收的蜂窝信号。在一些实施例中，收发器模块122可包括WLAN选择模块155或与WLAN选择模块155耦合，以从一个或多个可用的WLAN中选择WLAN，如下所述。
与UE 110类似，接入节点105可包括收发器模块135。收发器模块135还可与接入节点105的多个天线140中的一个或多个耦合，以与网络100的其他组件(例如，UE 110)进行无线通信。天线140可由功率放大器160供电，该功率放大器160可以是收发器模块135的组件(如图1所示)，或者可以是接入节点105的独立组件。在一个实施例中，功率放大器160可以为天线140上的所有传输供电。在其他实施例中，在接入节点105上可能存在多个功率放大器。使用多个天线140可允许接入节点105使用传输分集技术，例如，SORTD、MIMO或FD-MIMO。在某些实施例中，收发器模块135可包含发送器电路165和接收器电路170者，发送器电路165被配置为使天线140发送来自接入节点105的一个或多个信号，接收器电路170被配置为处理由天线140接收的信号。在其他实施例中，收发器模块135可被彼此分离的发送器电路165和接收器电路170(未示出)替代。在一些实施例中，虽然未示出，但是收发器模块135可包括通信模块，例如，包括接收器电路170和发送器电路165的通信模块120。
图2示出了可包括一个或多个3GPP网络和WLAN网络的无线网络200的高层级示例。各个3GPP网络和WLAN网络的覆盖区域可由图2中大致圆形的元素来表示。
网络200可包括UE 205，该UE 205可与图1的UE 110类似。UE 205可以在一个或多个3GPP网络和WLAN网络的覆盖区域内。具体地，UE 205可以在HPLMN 210的覆盖区域中，该HPLMN 210可以是如上所述的3GPP网络。HPLMN 210可包括eNB 215，eNB 215可与以上针对图1所述的eNB和接入节点105类似。eNB 215可与HPLMN 210的接入网络发现和选择功能(ANDSF)220耦合。ANDSF 220可被配置为向UE 205提供一个或多个WLAN选择偏好规则。例如，ANDSF 220可被配置为向UE 205提供诸如系统间移动策略(ISMP)规则、系统间路由策略(ISRP)规则或WLAN选择策略(WLANSP)规则等的一个或多个WLAN选择偏好规则。在一些实施例中，当UE 205最初与HPLMN 210耦合时，可向UE 205提供ISMP规则、ISRP规则或WLANSP规则，然后UE 205可将被提供的规则存储在UE 205的存储设备中，诸如用户标识模块(SIM)、通用SIM(USIM)、UE 205的非易失性存储设备或UE 205的某个其他存储设备。如本公开中所探讨的，被提供的WLAN选择偏好规则可被描述为预先提供的HPLMN WLAN选择偏好规则。
在一些情形中，UE 205还可以在另一3GPP网络(例如，拜访公共陆地移动网(VPLMN)225)的覆盖区域内。与HPLMN 210类似，VPLMN 225可包括与ANDSF 235耦合的eNB230。与ANDSF 220类似，ANDSF 235可被配置为向UE 205提供一个或多个WLAN选择偏好规则，例如，向UE 205提供ISMP规则、ISRP规则和WLANSP规则。如图2所示，在一些情形中，ANDSF可以在PLMN的覆盖区域内，例如，ANDSF 220在HPLMN 210的覆盖区域内。在其他实施例中，ANDSF可以在PLMN的覆盖区域之外，例如，ANDSF 235和VPLMN 225。
在实施例中，HPLMN 210可以是UE 205的归属网络。具体地，UE 205的用户可与HPLMN 210的运营商具有协议或合同。因此，如果HPLMN 210的eNB 215可用，则UE 205可被配置为自动连接到该eNB 215。与此不同，VPLMN 225可以是UE 205的漫游网络。具体地，VPLMN 225可由与HPLMN 210的移动运营商不同的移动运营商来运营。如果HPLMN 210不可用，则UE 205可被配置为连接到VPLMN 225的eNB 230。在一些实施例中，HPLMN 210的移动运营商可与VPLMN 225的移动运营商具有合同。在一些实施例中，HPLMN 210的移动运营商可以是与VPLMN 225的移动运营商相同的实体。虽然HPLMN 210和VPLMN 225的覆盖区域被示为至少部分重叠，但在一些实施例中，HPLMN 210和VPLMN 225的覆盖区域可以不重叠。虽然图2中仅示出了单个VPLMN 225，但在一些实施例中，网络200可包括多个VPLMN。
除了HPLMN 210和VPLMN 225，UE 205还可以在一个或多个WLAN(例如，如上所述的IEEE 802.11WiFi网络)的覆盖区域之内。具体地，UE 205可以在已知WLAN 240的覆盖区域之内，并且被配置为与已知WLAN 240的AP 245耦合，该AP 245可与以上针对图1所述的AP和接入节点105类似。已知WLAN 240可以是例如由UE 205的用户操作的WLAN，例如，该用户的家庭或办公室的WLAN。或者，已知WLAN 240可以是企业或其他位置的WLAN，UE 205的用户选择了连接到该WLAN或以其他方式指示了它是UE 205的用户的偏好WLAN。
网络200还可包括具有附加AP 255的附加WLAN 250，该AP 255可以与图1的AP和接入节点105类似。在一些实施例中，WLAN 250可以不是UE 205已知的，而是可在UE 205的发现过程中被发现。WLAN 250可以是例如UE 205的用户的邻居的WLAN，或者由UE 205的用户与之不具有合同或预先存在的关系的移动运营商所运营的WLAN。如图2所示，已知WLAN 240和WLAN 250的覆盖区域可彼此重叠，并且在一些情形中可与HPLMN 210和VPLMN 225中的一个或两个的覆盖区域重叠。例如，HPLMN 210的覆盖区域可与已知WLAN 240的覆盖区域完全重叠。在其他实施例中，HPLMN 210、VPLMN 225、已知WLAN 240和WLAN 250中的一个或多个的覆盖区域可以不彼此重叠。
在一些实施例中，UE 205可以从PLMN(例如，HPLMN 210或VPLMN 225)接收一个或多个WLAN选择偏好规则。具体地，UE 205可以从HPLMN 210或VPLMN 225的ANDSF 220或235接收WLAN选择偏好规则。WLAN选择偏好规则可以是WLANSP规则、ISMP规则和/或ISRP规则中的一个或多个。当UE 205被连接到PLMN时，PLMN的WLAN选择偏好规则可以被认为是“活动的”规则。也就是说，UE 205可被配置为应用该PLMN的WLAN选择偏好规则，来选择UE 205应与之连接的WLAN。在一些实施例中，如上所述，UE 205可由HPLMN 210预提供WLAN选择偏好规则，并且该WLAN选择偏好规则可被UE 205存储在例如UE 205的SIM、USIM或非易失性存储设备中。
由HPLMN 210这样提供WLAN选择偏好规则之后，UE 205可能进入UE 205不能注册到任何PLMN或WLAN的情况。然后，UE 205可以启动信号重关联过程。例如，UE 205可能被关闭然后再被打开，这可以使得UE 205进入信号重关联过程，例如，上电过程。在上电过程中，UE 205可能未注册到PLMN或WLAN，因此UE 205可能不具有活动的WLAN选择偏好规则，例如，活动的WLANSP规则、活动的ISMP规则或活动的ISRP规则。
或者，UE 205可能未被关闭，而是可能以其他方式与可用的WLAN或PLMN失去连接。例如，UE 205的用户可能走进了电梯或停车场，或者进入了PLMN和WLAN信号不可用的一些其他情形。在这种情况下，UE 205可进入信号重关联过程(例如，信号丢失恢复过程)以试图重新连接到PLMN和/或WLAN，但是UE 205可能不具有活动的WLAN选择偏好规则，例如，活动的WLANSP规则、活动的ISMP规则或活动的ISRP规则。
作为上述情况(即，在上电过程或信号丢失恢复过程中，WLAN选择偏好规则可能不被认为是活动的)的解决方案，在一些实施例中，在UE 205连接到PLMN或WLAN之前的上电过程或信号丢失恢复过程中，UE 205可以将从HPLMN 210接收的一个或多个预提供的HPLMNWLAN选择偏好规则认为是活动的。例如，在一些实施例中，在上电过程或信号丢失恢复过程中，从HPLMN 210接收的预提供的HPLMN WLAN选择偏好规则(例如，WLANSP规则、ISMP规则或ISRP规则)中的一个或多个可以被UE 205认为是活动的规则，如下将详细描述。
图3示出了在UE(例如UE 205)的上电过程中可被该UE使用的示例性过程。首先，在300处，UE 205可识别UE 205是否已由HPLMN 210预提供了一个或多个HPLMN WLAN选择偏好规则。如上所述，WLAN选择偏好规则可以被存储在UE 205的存储设备(例如，UE的非易失性存储器、SIM、USIM或某个其他存储设备)中。WLAN选择偏好规则可以是例如WLANSP规则、ISMP规则和/或ISRP规则。
然后，在305处，UE 205可识别UE 205是否已从VPLMN(例如，VPLMN 225)接收一个或多个WLAN选择偏好规则。例如，在上电过程中，UE 205可能连接到VPLMN 225，并且具体地连接到VPLMN 225的eNB 230。在连接到VPLMN 225之后，UE 205可以从VPLMN 225接收一个或多个WLAN选择偏好规则，并且具体地从VPLMN 225的ANDSF 235接收一个或多个WLAN选择偏好规则。WLAN选择偏好规则可以是例如WLANSP规则、ISMP规则和/或ISRP规则。
如果UE 205尚未从VPLMN 225接收一个或多个WLAN选择偏好规则，则在310处，UE205可以使用从HPLMN 210接收过的预提供的HPLMN WLAN选择偏好规则中的一个或多个。例如，UE 205可能尚未与PLMN(例如，HPLMN 210或VPLMN 225)连接。因此，在上电过程中，UE205可能尚未从HPLMN 210或VPLMN 225接收WLAN选择偏好规则。因此，UE 205可默认使用在300处识别的预提供的HPLMN WLAN选择偏好规则。
在一些实施例中，如果UE 205已经连接到VPLMN(例如，VPLMN 225)并从VPLMN 225接收了一个或多个WLAN选择偏好规则，则在315处，UE 205可以检查配置标志以识别UE 205是被配置为使用在300处识别的预提供的HPLMN WLAN选择偏好规则还是从VPLMN 225接收的WLAN选择偏好规则。在一些实施例中，配置标志可以基于用户设置、UE 205的制造商的设置、由UE 205从HPLMN 210接收的指示、由UE 205从VPLMN 225接收的指示、由UE 205从一个或多个WLAN接收的指示、或某种其他设置。
如果配置标志指示UE 205被配置为使用在300处识别的预提供的HPLMN WLAN选择偏好规则，则在310处，UE 205可以使用预提供的HPLMN WLAN选择偏好规则来选择UE 205应与之连接的WLAN。如果配置标志指示UE 205被配置为不使用在300处识别的预提供的HPLMNWLAN选择偏好规则，则在320处，UE 205可以使用从VPLMN 225接收的WLAN选择偏好规则中的一个或多个来选择UE 205应与之连接的WLAN。然后，在325处，UE 205可以连接到所选的WLAN。例如，UE 205可以基于所使用的WLAN选择偏好规则而连接到已知WLAN 240或WLAN250。
图4示出了在UE 205的上电过程中可被UE 205使用的替代过程。首先，在400处，UE205可识别UE 205是否已由HPLMN 210预提供了一个或多个WLAN选择偏好规则。具体地，400处的识别可以与上述300处的识别类似。接下来，在405处，UE 205可识别UE 205是否已从VPLMN 225接收了一个或多个WLAN选择偏好规则。具体地，405处的识别可以与上述305处的识别类似。如上文针对元素310所述，如果UE 205尚未从VPLMN 225接收一个或多个WLAN选择偏好规则，则在410处，UE 205可以使用预提供的HPLMN WLAN选择偏好规则中的一个或多个来选择UE 205应与之连接的WLAN。
如果UE 205已经从VPLMN 225接收一个或多个WLAN选择偏好规则，则在415处，UE205可以识别VPLMN 225是否是偏好VPLMN。例如，UE 205可以分析偏好VPLMN的列表或表格以识别VPLMN 225是否是偏好VPLMN。在一些实施例中，偏好VPLMN的列表可以基于HPLMN210的指示、用户设置、与VPLMN的先前连接历史、或一些其他标准。
如果在415处VPLMN 225被识别为偏好VPLMN，则在420处，UE 205可被配置为使用从该VPLMN接收的这一个或多个WLAN选择偏好规则来选择UE 205应与之连接的WLAN。如果在415处VPLMN 225未被识别为偏好VPLMN，则在410处，UE 205可被配置为使用这一个或多个预提供的HPLMN WLAN选择偏好规则来选择UE 205应与之连接的WLAN。然后，在425处，UE205可以连接到所选的WLAN。例如，UE 205可以基于所使用的WLAN选择偏好规则而连接到已知WLAN 240或WLAN 250。
虽然以上描述了两个不同的上电过程，这两个上电过程可能使用不同的配置标志或设置来在一个或多个预提供的HPLMN WLAN选择偏好规则与从VPLMN 225接收的一个或多个WLAN选择偏好规则之间进行选择，但是上述实施例只是使用这些配置标志或设置的示例。在其他实施例中，额外或替代的标志可与上述标志或设置一起使用，或者代替上述标志或设置而使用。
图5示出了在可由UE(例如，UE 205)执行的信号丢失恢复过程中，可被UE 205用于识别默认WLAN选择偏好规则的示例性过程，UE 205可使用该默认WLAN选择偏好规则来选择UE 205应与之连接的WLAN。如上所述，UE 205可能由于网络故障、UE 205暂时处于例如电梯或停车场等位置、或某种其他原因而丢失与PLMN和WLAN的信号连接。一旦UE 205能够连接到WLAN和/或PLMN，UE 205可启动信号丢失恢复过程。
首先，在500处，UE 205可以识别UE 205是否在PLMN(例如，HPLMN 210或VPLMN225)的覆盖区域中。在一些实施例中，PLMN可以是UE 205最近注册到的PLMN(RPLMN)。在一些实施例中，PLMN可以额外地或替代地是等同的(equivalent)PLMN(EPLMN)。EPLMN可以是不与HPLMN 210或VPLMN 225相同的PLMN，而是与HPLMN 210或VPLMN 225订有合同以分别提供HPLMN 210或VPLMN 225的服务的PLMN。
如果UE 205不在PLMN的覆盖区域中，则在505处，UE 205可识别UE 205是否在已知WLAN(例如，已知WLAN 240)的覆盖区域中。
如果UE 205不在PLMN的覆盖区域中并且UE 205在已知WLAN(例如，已知WLAN 240)的覆盖区域中，则UE 205可将UE 205应在510处选择已知WLAN作为UE 205应与之连接的WLAN识别为默认WLAN选择偏好规则。
如果UE 205不在PLMN的覆盖区域中并且UE 205不在已知WLAN的覆盖区域中，则在515处，UE 205可将UE 205应使用预提供的HPLMN WLAN选择偏好规则中的一个或多个来选择UE 205应与之连接的WLAN识别为默认WLAN选择偏好规则。具体地，如上所述，UE 205可将在UE 205与HPLMN(例如，HPLMN 210)失去连接之前，UE 205从HPLMN 210接收的预提供的WLANSP规则、ISMP规则或ISRP规则识别为默认WLAN选择偏好规则。
如果UE 205在PLMN的覆盖区域中并且UE 205不在已知WLAN的覆盖区域中，则UE205可继续与该PLMN相连接。在一些实施例中，该PLMN可以是UE 205的RPLMN，这可以指示该RPLMN是UE 205注册到的PLMN。该RPLMN可与HPLMN 210、VPLMN 225或某个其他PLMN相同。UE205可以从该RPLMN接收一个或多个WLAN选择偏好规则。然后，UE 205可以将来自该RPLMN或该RPLMN的EPLMN的WLAN选择偏好规则中的一个或多个识别为默认WLAN选择偏好规则。在525处，UE 205可使用所识别的默认WLAN选择偏好规则来识别UE 205可与之连接的WLAN。
如果UE 205在PLMN的覆盖区域中并且UE 205在已知WLAN的覆盖区域中，则在530处，UE 205可识别UE 205是否被配置为连接到已知WLAN 240。如果UE 205被配置为选择已知WLAN 240，则UE 205可将UE 205应在535处选择已知WLAN作为UE 205应与之连接的WLAN识别为默认WLAN选择偏好规则。
如果UE未被配置为选择已知WLAN，则如上所述，UE 205可继续与PLMN连接。UE 205可以从RPLMN接收一个或多个WLAN选择偏好规则。然后，UE 205可将来自该RPLMN或该RPLMN的EPLMN的WLAN选择偏好规则中的一个或多个识别为默认WLAN选择偏好规则。在525处，UE205可使用所识别的默认WLAN选择偏好规则来识别UE 205可与之连接的WLAN。然后，UE 205可以使用上述所识别的默认WLAN选择偏好规则来连接到所选的WLAN，例如，已知WLAN 240或WLAN 250。
虽然未示于图5中，但是在一些实施例中，UE 205可以识别一个或多个预提供的HPLMN WLAN选择偏好规则，并且识别在525处是使用RPLMN(或EPLMN)的WLAN选择偏好规则还是预提供的HPLMN WLAN选择偏好规则。例如，如以上针对图4所述，UE 205可识别RPLMN是否是偏好VPLMN。此外或替代地，如以上针对图3所述，UE 205可识别UE 205的配置标志是指示使用预提供的HPLMN WLAN选择偏好规则还是RPLMN(或EPLMN)的WLAN选择偏好规则。此外或替代地，UE 205可以识别预提供的HPLMN WLAN选择偏好规则或RPLMN(或EPLMN)的WLAN选择偏好规则或一个或多个额外或替代的选择标准的相对优先级。
虽然如上所述，在500处，UE 205可以识别UE 205是否在HPLMN、VPLMN、最近的RPLMN、或EPLMN的覆盖区域中，并且可以连接到最近的RPLMN，但是在一些实施例中，在520处，UE 205可以识别UE 205在已知WLAN 240的覆盖区域中。在一些实施例中，已知WLAN 240可支持到HPLMN 210的连通性，因此UE 205可以选择HPLMN 210并且可以不返回到UE 205通过WLAN连接而访问的最近的RPLMN。具体地，如果UE 205处于RPLMN(其可以是例如VPLMN225)和HPLMN 210二者的覆盖区域中，则UE 205可被配置为自动选择HPLMN 210而不是最近的RPLMN。归属运营商(即，HPLMN 210的运营商)可以通过配置来控制支持这一选项的UE205是否执行这一行为。如果不能发现HPLMN 210，则UE 205可以返回到其在500处的最近的RPLMN(如果可用的话)。
在一些实施例中，可以通过ANDSF管理对象(MO)中的条目来向UE 205指示RPLMN，该ANDSF MO例如来自该RPLMN的ANDSF。在一些实施例中，使用HPLMN 210还是最近的RPLMN，这一配置选项同样可由ANDSF MO来指示。在一些实施例中，最近的RPLMN信息可被存储在UE205的非易失性存储器、UE 205的SIM、或UE 205的USIM中。
本公开的实施例可被实现为使用任意适当的硬件和/或软件的系统来进行所需的配置。图6示意性地示出了可被用于实现本公开中所述的各个实施例的示例性系统600。对于一个实施例，图6示出了示例性系统600，该系统具有一个或多个处理器605、被耦合到(一个或多个)处理器605中的至少一个处理器的系统控制模块610、被耦合到系统控制模块610的系统存储器615、被耦合到系统控制模块610的非易失性存储器(NVM)/存储设备620、以及被耦合到系统控制模块610的一个或多个通信接口625。
在一些实施例中，系统600能够作为本公开中所述的UE 110或205。在其他实施例中，系统600能够作为本公开中所述的接入节点105、eNB 215或230、AP 245或255、或ANDSF220或235。在一些实施例中，系统600可包括具有指令的一个或多个计算机可读介质(例如，系统存储器或NVM/存储设备620)以及一个或多个处理器(例如，(一个或多个)处理器605)，处理器与该一个或多个计算机可读介质耦合并被配置为执行指令以实现执行本公开中所述的动作的模块。
对于一个实施例，系统控制模块610可包括任意适当的接口控制器，以向(一个或多个)处理器605中的至少一个和/或与系统控制模块610通信的任意适当的设备或组件提供任意适当的接口。
系统控制模块610可包括存储器控制器模块630，以向系统存储器615提供接口。存储器控制器模块630可以是硬件模块、软件模块和/或固件模块。
系统存储器615可被用于例如为系统600加载和存储数据和/或指令。对于一个实施例，系统存储器615可包括任意适当的易失性存储器，例如，适当的DRAM。在一些实施例中，系统存储器615可包括双倍数据速率类型四同步动态随机存取存储器(DDR4 SDRAM)。
对于一个实施例，系统控制模块610可包括一个或多个输入/输出(I/O)控制器，以向NVM/存储设备620及(一个或多个)通信接口625提供接口。
例如，NVM/存储设备620可被用于存储数据和/或指令。NVM/存储设备620可包括任意适当的非易失性存储器(例如，闪存)和/或可包括任意适当的(一个或多个)非易失性存储设备(例如，一个或多个硬盘驱动器(HDD)、一个或多个光盘(CD)驱动器和/或一个或多个数字通用光盘(DVD)驱动器)。在一些实施例中，NVM/存储设备620可与通信模块120耦合，并且通信模块120可被配置为将诸如接收到的WLAN选择偏好规则的数据存储在NVM/存储设备620中。
NVM/存储设备620可包括这样的存储资源：该存储资源在物理上作为安装有系统600的设备的一部分，或者，该存储资源也可以被该设备访问而不必作为该设备的一部分。例如，NVM/存储设备620可通过网络经由(一个或多个)通信接口625进行访问。
(一个或多个)通信接口625可以为系统600提供接口以通过一个或多个网络和/或与任意其他适当的设备通信。系统600可根据一个或多个无线网络标准和/或协议中的任意标准和/或协议来与无线网络的一个或多个组件进行无线通信。在一些实施例中，(一个或多个)通信接口625可包括收发器模块122或135。
对于一个实施例，(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器(例如，存储器控制器模块630)的逻辑封装在一起。对于一个实施例，(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器的逻辑封装在一起以形成系统级封装(SiP)。对于一个实施例，(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器的逻辑集成在同一管芯(die)上。对于一个实施例，(一个或多个)处理器605中的至少一个可与系统控制模块610的一个或多个控制器的逻辑集成在同一模具上以形成片上系统(SoC)。
在一些实施例中，(一个或多个)处理器605可包括以下各项中的一项或多项，或以其他方式与以下各项中的一项或多项相耦合：图形处理器(GPU)(未示出)、数字信号处理器(DSP)(未示出)、无线调制解调器(未示出)、数字摄像机或多媒体电路(未示出)、传感器电路(未示出)、显示电路(未示出)和/或GPS电路(未示出)。
在各个实施例中，系统600可以但不限于是：服务器、工作站、台式计算设备或移动计算设备(例如，膝上型计算设备、手持计算设备、平板电脑、上网本、智能电话、游戏控制器等)。在各个实施例中，系统600可具有更多或更少的组件和/或不同的架构。例如，在一些实施例中，系统600包括以下一个或多个：摄像机、键盘、液晶显示器(LCD)屏幕(包括触屏显示器)、非易失性存储器端口、多个天线、图形芯片、专用集成电路(ASIC)和扬声器。
示例
示例1可包括将被用于用户设备(UE)中的装置，该装置包括：通信模块，用于：从归属公共陆地移动网(HPLMN)接收无线局域网(WLAN)选择偏好规则，并且将WLAN选择偏好规则存储在非易失性存储介质中；以及WLAN选择模块，用于在UE的上电过程中并且在UE与公共陆地移动网(PLMN)相关联之前，至少部分地基于WLAN选择偏好规则来选择WLAN。
示例2可包括示例1的装置，其中，WLAN选择偏好规则是HPLMN的WLAN选择策略(WLANSP)规则。
示例3可包括示例2的装置，其中，WLAN选择模块将至少部分地基于WLANSP规则的优先级指示来选择WLAN。
示例4可包括示例1的装置，其中，通信模块将从HPLMN的接入网络发现和选择功能(ANDSF)接收WLAN选择偏好规则。
示例5可包括示例1-4中的任一项的装置，其中，通信模块还将在UE的上电过程中从拜访PLMN(VPLMN)接收系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则。
示例6可包括示例5的装置，其中：如果配置标志提供了使用WLAN选择偏好规则的指示，则WLAN选择模块将基于WLAN选择偏好规则来选择WLAN；并且其中，如果配置标志未提供使用WLAN选择偏好规则的指示，则WLAN选择模块将基于VPLMN的ISMP规则或VPLMN的ISRP规则来选择WLAN。
示例7可包括示例5的装置，其中：如果VPLMN是偏好VPLMN，则WLAN选择模块将基于VPLMN的ISMP规则或VPLMN的ISRP规则来选择WLAN；而如果VPLMN不是偏好VPLMN，则WLAN选择模块将基于WLAN选择偏好规则来选择WLAN。
示例8可包括示例1-4中的任一项的装置，其中，通信模块是基带模块，并且该装置还包括多模式收发器芯片，该多模式收发器芯片包括该基带模块、WLAN选择模块以及控制提供给该基带模块和WLAN选择模块的功率的功率管理单元。
示例9可包括一种方法，该方法包括：在用户设备的重关联过程中，访问由UE的归属公共陆地移动网(HPLMN)最初提供给UE的无线局域网(WLAN)选择偏好规则；在UE的重关联过程中，至少部分地基于WLAN选择偏好规则来选择WLAN；以及由UE与选定的WLAN相关联。
示例10可包括示例9的方法，其中，重关联过程是上电过程。
示例11可包括示例9的方法，其中，WLAN选择偏好规则是HPLMN的WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则。
示例12可包括示例11的方法，还包括：至少部分地基于HPLMN的WLANSP规则、ISMP规则或ISRP规则的优先级指示来选择WLAN。
示例13可包括示例9的方法，其中，WLAN选择偏好规则是HPLMN的接入网络发现和选择功能(ANDSF)的WLAN选择偏好规则。
示例14可包括示例9-12中的任一项的方法，还包括：在上电过程中，由UE接收拜访PLMN(VPLMN)的WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则。
示例15可包括示例14的方法，还包括：如果配置标志指示使用WLAN选择偏好规则，则由UE基于WLAN选择偏好规则来选择WLAN；而如果配置标志指示不使用WLAN选择偏好规则，则由UE基于VPLMN的WLANSP规则、ISMP规则或ISRP规则来选择WLAN。
示例16可包括示例14的方法，还包括：如果VPLMN不是UE的偏好VPLMN，则由UE基于WLAN选择偏好规则来选择WLAN；而如果VPLMN是偏好VPLMN，则由UE基于VPLMN的WLANSP规则、ISMP规则或ISRP规则来选择WLAN。
示例17可包括一个或多个非暂态计算机可读介质，该一个或多个非暂态计算机可读介质包括指令，这些指令被配置为当由用户设备(UE)执行这些指令时，使得UE：在UE的信号丢失恢复过程中，识别公共陆地移动网(PLMN)的可用性；在UE的信号丢失恢复过程中，识别UE的已知无线局域网(WLAN)的可用性；至少部分地基于PLMN的可用性和WLAN的可用性来识别UE的默认WLAN选择偏好规则；至少部分地基于默认WLAN选择偏好规则来选择WLAN；以及与该WLAN相关联。
示例18可包括示例17的一个或多个非暂态计算机可读介质，其中，如果PLMN不可用而已知WLAN可用，则默认WLAN选择偏好规则将选择已知WLAN。
示例19可包括示例17的一个或多个非暂态计算机可读介质，其中，如果PLMN不可用并且已知WLAN不可用，则默认WLAN选择偏好规则将基于UE的归属PLMN(HPLMN)的WLAN选择偏好规则来选择WLAN。
示例20可包括示例19的一个或多个非暂态计算机可读介质，其中，归属PLMN的WLAN选择偏好规则是HPLMN的接入网络发现和选择功能(ANDSF)的WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则。
示例21可包括示例17的一个或多个非暂态计算机可读介质，其中，如果PLMN可用而已知WLAN不可用，则默认WLAN选择偏好规则将：与PLMN相关联；从PLMN接收WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则；并且基于WLANSP规则、ISMP规则或ISRP规则来选择WLAN。
示例22可包括示例17的一个或多个非暂态计算机可读介质，其中，如果PLMN可用并且已知WLAN可用，则默认WLAN选择偏好规则将：识别UE是否被配置为与已知WLAN相关联；如果UE被配置为与已知WLAN相关联，则选择已知WLAN；而如果UE被配置为不与已知WLAN相关联，则：与PLMN相关联；从PLMN接收WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则；并且基于WLANSP规则、ISMP规则或ISRP规则来选择WLAN。
示例23可包括一种装置，该装置包括：用于在UE的信号丢失恢复过程中识别公共陆地移动网(PLMN)的可用性的装置；用于在UE的信号丢失恢复过程中识别UE的已知无线局域网(WLAN)的可用性的装置；用于至少部分地基于PLMN的可用性和WLAN的可用性来识别UE的默认WLAN选择偏好规则的装置；用于至少部分地基于默认WLAN选择偏好规则来选择WLAN的装置；以及用于与该WLAN相关联的装置。
示例24可包括示例23的装置，其中，如果PLMN不可用而已知WLAN可用，则默认WLAN选择偏好规则将选择已知WLAN。
示例25可包括示例23的装置，其中，如果PLMN不可用并且已知WLAN不可用，则默认WLAN选择偏好规则将基于UE的归属PLMN(HPLMN)的WLAN选择偏好规则来选择WLAN。
示例26可包括示例25的装置，其中，归属PLMN的WLAN选择偏好规则是HPLMN的接入网络发现和选择功能(ANDSF)的WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则。
示例27可包括示例23的装置，其中，如果PLMN可用而已知WLAN不可用，则默认WLAN选择偏好规则将：与PLMN相关联；从PLMN接收WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则；并且基于WLANSP规则、ISMP规则或ISRP规则来选择WLAN。
示例28可包括示例23的装置，其中，如果PLMN可用并且已知WLAN可用，则默认WLAN选择偏好规则将：识别UE是否被配置为与已知WLAN相关联；如果UE被配置为与已知WLAN相关联，则选择已知WLAN；而如果UE被配置为不与已知WLAN相关联，则：与PLMN相关联；从PLMN接收WLAN选择策略(WLANSP)规则、系统间移动策略(ISMP)规则或系统间路由策略(ISRP)规则；并且基于WLANSP规则、ISMP规则或ISRP规则来选择WLAN。
虽然为了说明，本申请中示出并描述了某些实施例，但是本申请意图覆盖本申请中所探讨的实施例的任意适应性改变或变化。因此，明确的意图是本申请中所述的实施例仅由权利要求来限制。
在本公开记载冠词“一”或“第一”元素或其等同形式的地方，这样的公开包括一个或多个这样的元素，既不必须也不排除两个或两个以上这样的元素。此外，对于被标识元素的顺序指示符(例如，第一、第二或第三)被用于在这些元素之间进行区分，而不指示或暗示这些元素的所需数量或受限的数量，并且它们也不指示这些元素的特定位置或顺序，除非另外特别说明。

Claims (25)

1.一种用于无线通信的装置，该装置包括：
通信模块，用于：
归属公共陆地移动网HPLMN接收第一无线局域网WLAN选择偏好规则，其中，所述第一WLAN选择偏好规则是所述HPLMN的WLAN选择策略WLANSP规则；
将所述第一WLAN选择偏好规则存储在非易失性存储介质中；以及
在上电过程中从拜访PLMN即VPLMN接收一个或多个第二WLAN选择偏好规则；以及
WLAN选择模块，用于：
在上电过程中并且在所述装置还未注册到任何PLMN时，基于所述第一WLAN选择偏好规则来选择所要连接到的WLAN；
如果配置标志提供了使用所述第一WLAN选择偏好规则的指示，则基于所述第一WLAN选择偏好规则来选择所述WLAN；并且
如果所述配置标志未提供使用所述第一WLAN选择偏好规则的指示，则基于所述第二WLAN选择偏好规则来选择所述WLAN。
2.如权利要求1所述的装置，其中，所述WLAN选择模块将基于所述WLANSP规则的优先级指示来选择所述WLAN。
3.如权利要求1所述的装置，其中，所述通信模块将从所述HPLMN的接入网络发现和选择功能ANDSF接收所述第一WLAN选择偏好规则。
4.如权利要求1-3中的任一项所述的装置，其中，所述第二WLAN选择偏好规则包括WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则。
5.如权利要求1-3中的任一项所述的装置，其中，所述通信模块是基带模块，并且所述装置还包括多模式收发器芯片，该多模式收发器芯片包括所述基带模块、所述WLAN选择模块以及功率管理单元，所述功率管理单元对提供给所述基带模块和所述WLAN选择模块的功率进行控制。
6.一种用于无线通信的装置，该装置包括：
通信模块，用于：
从归属公共陆地移动网HPLMN接收第一无线局域网WLAN选择偏好规则，其中，所述第一WLAN选择偏好规则是所述HPLMN的WLAN选择策略WLANSP规则；
将所述第一WLAN选择偏好规则存储在非易失性存储介质中；以及
在上电过程中从拜访PLMN即VPLMN接收一个或多个第二WLAN选择偏好规则；以及
WLAN选择模块，用于：
在上电过程中并且在所述装置还未注册到任何PLMN时，基于所述第一WLAN选择偏好规则来选择所要连接到的WLAN；
如果所述VPLMN是偏好VPLMN，则基于所述第二WLAN选择偏好规则来选择所述WLAN；并且
如果所述VPLMN不是偏好VPLMN，则基于所述第一WLAN选择偏好规则来选择所述WLAN。
7.一种用于无线通信的方法，包括：
在用户设备UE的重关联过程中，访问由所述UE的归属公共陆地移动网HPLMN提供给所述UE的第一无线局域网WLAN选择偏好规则，其中，所述第一WLAN选择偏好规则是所述HPLMN的WLAN选择策略WLANSP规则；
在所述重关联过程中，由所述UE接收拜访PLMN即VPLMN的一个或多个第二WLAN选择偏好规则；
在所述UE的重关联过程中，在所述UE还未注册到任何PLMN时，基于所述第一WLAN选择偏好规则来选择所要连接到的WLAN；
如果配置标志指示使用所述第一WLAN选择偏好规则，则由所述UE基于所述第一WLAN选择偏好规则来选择所述WLAN；
如果所述配置标志指示不使用所述第一WLAN选择偏好规则，则由所述UE基于所述第二WLAN选择偏好规则来选择所述WLAN；以及
由所述UE与选定的WLAN相关联。
8.如权利要求7所述的方法，其中，所述重关联过程是上电过程。
9.如权利要求7所述的方法，其中，所述第一WLAN选择偏好规则还包括所述HPLMN的系统间移动策略ISMP规则或系统间路由策略ISRP规则。
10.如权利要求9所述的方法，还包括：基于所述HPLMN的WLANSP规则、ISMP规则或ISRP规则的优先级指示来选择所述WLAN。
11.如权利要求7所述的方法，其中，所述第一WLAN选择偏好规则包括所述HPLMN的接入网络发现和选择功能ANDSF的WLAN选择偏好规则。
12.如权利要求7-11中的任一项所述的方法，其中，所述第二WLAN选择偏好规则包括WLAN选择策略WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则。
13.一种用于无线通信的方法，包括：
在用户设备UE的重关联过程中，访问由所述UE的归属公共陆地移动网HPLMN提供给所述UE的第一无线局域网WLAN选择偏好规则，其中，所述第一WLAN选择偏好规则是所述HPLMN的WLAN选择策略WLANSP规则；
在所述重关联过程中，由所述UE接收拜访PLMN即VPLMN的一个或多个第二WLAN选择偏好规则；
在所述UE的重关联过程中，在所述UE还未注册到任何PLMN时，基于所述第一WLAN选择偏好规则来选择所要连接到的WLAN；
如果所述VPLMN不是所述UE的偏好VPLMN，则由所述UE基于所述第一WLAN选择偏好规则来选择所述WLAN；并且
如果所述VPLMN是偏好VPLMN，则由所述UE基于所述第二WLAN选择偏好规则来选择所述WLAN。
14.一种用于无线通信的装置，包括：
用于下述操作的装置：在用户设备UE的信号丢失恢复过程中，识别公共陆地移动网PLMN的可用性；
用于下述操作的装置：在所述UE的信号丢失恢复过程中，识别所述UE的已知无线局域网WLAN的可用性；
用于下述操作的装置：基于所述PLMN的可用性和所述WLAN的可用性来识别所述UE的默认WLAN选择偏好规则；
用于基于所述默认WLAN选择偏好规则来选择所要连接到的WLAN的装置；以及
用于与所述WLAN相关联的装置。
15.如权利要求14所述的装置，其中，如果PLMN不可用而所述已知WLAN可用，则所述默认WLAN选择偏好规则将选择所述已知WLAN。
16.如权利要求14所述的装置，其中，如果所述PLMN不可用并且所述已知WLAN不可用，则所述默认WLAN选择偏好规则将基于所述UE的归属PLMN即HPLMN的WLAN选择偏好规则来选择所述WLAN。
17.如权利要求16所述的装置，其中，所述归属PLMN的WLAN选择偏好规则是所述HPLMN的接入网络发现和选择功能ANDSF的WLAN选择策略WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则。
18.如权利要求14所述的装置，其中，如果所述PLMN可用而所述已知WLAN不可用，则所述默认WLAN选择偏好规则将：
与所述PLMN相关联；
从所述PLMN接收WLAN选择策略WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则；并且
基于所述WLANSP规则、所述ISMP规则或所述ISRP规则来选择所述WLAN。
19.如权利要求14所述的装置，其中，如果所述PLMN可用并且所述已知WLAN可用，则所述默认WLAN选择偏好规则将：
识别所述UE是否被配置为与所述已知WLAN相关联；
如果所述UE被配置为与所述已知WLAN相关联，则选择所述已知WLAN；并且
如果所述UE被配置为不与所述已知WLAN相关联，则：
与所述PLMN相关联；
从所述PLMN接收WLAN选择策略WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则；并且
基于所述WLANSP规则、所述ISMP规则或所述ISRP规则来选择所述WLAN。
20.一种或多种非暂态计算机可读介质，该一种或多种非暂态计算机可读介质包括指令，所述指令被配置为当由用户设备UE执行所述指令时，使得所述UE：
在所述UE的信号丢失恢复过程中，识别公共陆地移动网PLMN的可用性；
在所述UE的信号丢失恢复过程中，识别所述UE的已知无线局域网WLAN的可用性；
基于所述PLMN的可用性和所述已知WLAN的可用性来识别所述UE的默认WLAN选择偏好规则；
基于所述默认WLAN选择偏好规则来选择所要连接到的WLAN；以及
与所述WLAN相关联。
21.如权利要求20所述的一种或多种非暂态计算机可读介质，其中，如果PLMN不可用而所述已知WLAN可用，则所述默认WLAN选择偏好规则将选择所述已知WLAN。
22.如权利要求20所述的一种或多种非暂态计算机可读介质，其中，如果所述PLMN不可用并且所述已知WLAN不可用，则所述默认WLAN选择偏好规则将基于所述UE的归属PLMN即HPLMN的WLAN选择偏好规则来选择所述WLAN。
23.如权利要求22所述的一种或多种非暂态计算机可读介质，其中，所述归属PLMN的WLAN选择偏好规则是所述HPLMN的接入网络发现和选择功能ANDSF的WLAN选择策略WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则。
24.如权利要求20所述的一种或多种非暂态计算机可读介质，其中，如果所述PLMN可用而所述已知WLAN不可用，则所述默认WLAN选择偏好规则将：
与所述PLMN相关联；
从所述PLMN接收WLAN选择策略WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则；并且
基于所述WLANSP规则、所述ISMP规则或所述ISRP规则来选择所述WLAN。
25.如权利要求20所述的一种或多种非暂态计算机可读介质，其中，
如果所述PLMN可用并且所述已知WLAN可用，则所述默认WLAN选择偏好规则将：
识别所述UE是否被配置为与所述已知WLAN相关联；
如果所述UE被配置为与所述已知WLAN相关联，则选择所述已知WLAN；并且
如果所述UE被配置为不与所述已知WLAN相关联，则：
与所述PLMN相关联；
从所述PLMN接收WLAN选择策略WLANSP规则、系统间移动策略ISMP规则或系统间路由策略ISRP规则；并且
基于所述WLANSP规则、所述ISMP规则或所述ISRP规则来选择所述WLAN。
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