CN101115248A - 多模终端及其数据转发方法 - Google Patents
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Abstract
本发明公开了一种多模终端及其数据转发方法。本发明的多模终端，具有至少一个移动通信协议栈，至少一个无线局域网协议栈，共享缓存区以及转发控制器。其中，移动通信协议栈用于将从互联网接收到的IP数据包存放到共享缓存区后通知转发控制层；转发控制层用于将IP数据包在共享缓存区中的存放地址通知无线局域网协议栈；无线局域网协议栈用于从共享缓存区取出IP数据包并将其发送到无线设备，移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的目的IP地址修改为无线设备在无线局域网连接中的IP地址。本发明的多模终端及其数据转发方法可以有效的提高数据传输效率。
Description
技术领域
本发明涉及一种移动通信技术，特别是一种多模终端及其数据转发方法。
背景技术
当今科技的发展带来了多种无线接入技术和蜂窝通信技术，下一代网络将出现由多种不同无线技术支撑的混合网络环境。能在多种不同的蜂窝移动通信网络或无线接入网络中使用或支持多种无线网络的移动通信终端称为“多模移动通信终端”，以下简称“多模终端”。目前，移动终端多模融合已经成为移动通信终端发展的趋势。
现有多模终端一般包括蜂窝移动通信网络(PLMN)模块，例如TD-SCDMA、WCDMA、GSM、CDMA1x、CDMA2000，GPRS等，以及无线接入网络(RAN)模块，例如WiFi、WiMax、BlueTooth、UWB、Zigbee、RFID等。多模终端可以通过不同的模块执行不同的业务，例如，用户可以通过蜂窝移动通信网络模块连接到移动通信网络来进行语音或者数据业务，也可以通过无线接入网络模块连接无线接入网络，构成无线局域网(WLAN)来连接其它设备进行无线业务。
目前，多模终端的各个模块之间主要采用多模分离协议栈。例如移动通信协议栈和无线接入协议栈(为了说明的目的，本发明中将多模终端的蜂窝移动通信协议栈简称为移动通信协议栈，将多模终端的无线接入协议栈称为WLAN协议栈)，分别处理移动通信业务和无线接入业务。
当用户通过蜂窝移动通信网络模块连接到移动通信网络来进行数据业务时，移动通信协议栈中的分组数据集中协议(Packet Data ConvergenceProtocol，PDCP)层将下层解压的数据进行PDCP数据包的解包操作，将恢复出来的IP数据包提交给移动通信协议栈的上层用户，例如TCP/IP协议层，进行TCP/IP数据包的解包等操作，再由互联网浏览器之类的用户应用程序使用；或者，移动通信协议栈中的PDCP层将上层用户要发送的TCP/IP数据包进行PDCP数据包的打包，转发到移动通信协议栈下层的协议层，最终通过移动通信网络发送出去。
当用户通过WLAN与其它设备建立连接时，数据以MAC帧格式进行传递。WLAN协议栈中的MAC层从下层收到的MAC帧数据中恢复出IP数据包，并提交给WLAN协议栈的上层用户，例如TCP/IP协议层，进行TCP/IP数据包的解包等操作，再由其它用户应用程序使用；或者，WLAN协议栈中的MAC层将上层用户要发送的TCP/IP数据包进行MAC数据帧的打包，转发到WLAN协议栈下层的协议层，最终通过WLAN网络发送出去。
然而，不同目前多模终端的各种无线协议栈之间的用户面之间没有交互，因此对于移动通信协议栈和WLAN协议栈之间的业务数据的传递，需要在两套协议栈的上层增加一个转发控制层来协调处理两套协议栈的数据转发。
例如，在火车上使用WLAN笔记本电脑通过身边的3G/WLAN双模手机上网时，手机通过3G网络从互联网下载的数据，经过手机的移动通信网络协议栈处理之后，解压出互联网IP数据包，发送到手机的互联网通信协议栈，由手机的互联网通信协议栈从互联网IP数据包中解压出原始数据，转发到手机用户面控制层，再由手机用户面控制层调用IP层再次进行数据打包之后，交给手机的WLAN协议栈，通过WLAN微网络发送到笔记本电脑的WLAN协议栈。
或者，手机的WLAN协议栈在收到笔记本电脑通过WLAN微网络发送的数据之后，解压出IP数据包，交给用户面控制层，由用户面控制层调用IP层再次进行数据打包之后，交给手机的互联网通信协议栈，通过手机的移动通信网络协议栈发送出去。
以上是一种协议栈之间松耦合的方式，这种方式的问题是分组交换域(PS域)的用户数据需要经过两套协议栈的数据处理，进行了两次IP数据的打包，并需要单独开发一个用户面控制层进行数据转发，效率比较低。
发明内容
本发明的目的在于提供一种多模终端。
本发明的另一目的在于提供上述多模终端的数据转发方法。
本发明的一种多模终端，具有至少一个移动通信协议栈，至少一个无线局域网协议栈，共享缓存区以及转发控制器。其中，移动通信协议栈用于将从互联网接收到的IP数据包存放到共享缓存区后通知转发控制层；转发控制层用于将修改后的IP数据包在共享缓存区中的存放地址通知无线局域网协议栈；无线局域网协议栈用于从共享缓存区取出修改后的IP数据包并将其发送到无线设备，移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的目的IP地址修改为无线设备在无线局域网连接中的IP地址。
在上述多模终端中，无线局域网协议栈进一步用于将从无线设备接收到的IP数据包转送到共享缓存区，并通知所述转发控制层；转发控制层进一步用于将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；移动通信协议栈进一步用于从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
本发明的一种多模式终端的数据转发方法，包括以下步骤：
移动通信协议栈将从互联网接收到的IP数据包存放到共享缓存区后通知转发控制层；
转发控制层将IP数据包在共享缓存区中的存放地址通知无线局域网协议栈；
无线局域网协议栈从共享缓存区取出IP数据包并将其发送到无线设备，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的目的IP地址修改为无线设备在无线局域网连接中的IP地址。
在上述方法中，可以进一步包括以下步骤：
无线局域网协议栈将从无线设备接收到的IP数据包转送到共享缓存区，并通知所述转发控制层；
转发控制层将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；
移动通信协议栈从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
本发明的另一种多模终端，具有至少一个移动通信协议栈，至少一个无线局域网协议栈，共享缓存区以及转发控制器。其中，无线局域网协议栈用于将从无线设备接收到的IP数据包转送到共享缓存区，并通知转发控制层；转发控制层用于将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；移动通信协议栈用于从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
本发明的另一种多模终端的数据转发方法，包括以下步骤：
无线局域网协议栈将从无线设备接收到的IP数据包转送到共享缓存区，并通知转发控制层；
转发控制层将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；
移动通信协议栈从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
在上述多模终端及其数据转发方法中，无线局域网协议栈为WiFi、WiMax、BlueTooth、UWB、Zigbee、RFID中的一个，移动通信协议栈为TD-SCDMA、WCDMA、GSM、CDMA1x、CDMA2000，GPRS中的一个。
和现有技术相比，本发明的多模终端及其数据转发方法中，通过修改IP地址的方式避免了现有技术中数据转发需要两次打包的过程，从而可以有效的提高数据传输效率。
附图说明
图1所示为根据现有技术，笔记本电脑通过连接互联网的多模终端从互联网获取数据或者发送数据到互联网时数据移动路径的示意图；
图2所示为描述根据现有技术笔记本电脑通过连接互联网的多模终端从互联网获取数据的过程的流程图；
图3所示为描述根据现有技术笔记本电脑通过连接互联网的多模终端发送数据到互联网的过程的流程图；
图4所示为根据本发明的一种实施方式，笔记本电脑通过连接互联网的多模终端从互联网获取数据或者发送数据到互联网时数据移动路径的示意图；
图5所示为描述根据本发明一种实施方式，笔记本电脑通过连接互联网的多模终端从互联网获取数据的过程的流程图；
图6所示为描述根据本发明的一种实施方式，笔记本电脑通过连接互联网的多模终端发送数据到互联网的过程的流程图。
具体实施方式
实际上，当多模手机通过移动通信协议栈与互联网建立IP连接，并同时通过WLAN协议栈与诸如笔记本的其它终端建立IP连接时，两个连接之间传递的底层数据格式都是IP数据包，因此，有可能通过IP地址映射，找到一种数据包之间简单的转换方法。
根据本发明的方法，当笔记本通过WLAN微网络连接多模手机，通过多模手机进行互联网业务时，在多模手机的移动通信协议栈的PDCP层解压出互联网IP数据包之后，进行IP地址转换，将IP数据包的目的IP地址转换为笔记本在WLAN微网络中的IP地址，并直接调用WLAN协议栈的接口发送给笔记本；或者，手机的WLAN协议栈在收到笔记本发送的微网络IP数据包之后，将微网络IP数据包转发给移动通信协议栈的PDCP层，由PDCP层将该数据包的源IP地址转换为手机在互联网中的IP地址，并通过移动通信协议栈发送出去。本发明的方法可以实现3G移动通信协议栈和WLAN无线接入协议栈用户面数据直接交互，提高数据传输效率。
移动通信协议栈中的PDCP层的主要功能是IP数据流的头部压缩与解压缩，用于从移动通信协议栈下层的无线链路层(RLC)接收无线数据之后，使用RFC25.07算法进行解压缩之后传递给移动通信协议栈的上层用户，例如TCP/IP等高层网络协议；或者将从移动通信协议栈的上层用户接收的数据按照RFC25.07算法进行压缩，再发送到移动通信协议栈下层转发出去。
另外，WLAN协议栈中的MAC层的主要功能是IP数据流的MAC帧打包或者解包，用于从WLAN协议栈下层的基带层接收MAC帧格式的无线数据之后，进行MAC帧解包之后传递给WLAN栈的上层用户，例如TCP/IP等高层网络协议；或者将从WLAN协议栈的上层用户接收的数据打包为MAC帧数据，再发送到WLAN协议栈的下层转发出去。
当例如在上面所述的场景中，即多模终端通过移动通信协议栈连接互联网，笔记本电脑通过WLAN微网络与多模终端连接从而连接到互联网的场景下，此时多模终端在互联网中具有IP地址，而在WLAN微网络中，多模终端与笔记本电脑也分别具有该WLAN微网络中的IP地址。
图1所示为根据现有技术，笔记本电脑通过连接互联网的多模终端从互联网获取数据或者发送数据到互联网的数据移动路径的示意图。
现在首先参考图2的流程图并结合图1来描述根据现有技术笔记本电脑通过连接互联网的多模终端从互联网获取数据的过程。
从图1可见具有WCDMA协议栈203的WCDMA多模终端20同时具有WLAN(可以是WiFi、WiMax、BlueTooth、UWB、Zigbee、RFID中任何一种)协议栈204。
当多模终端20在WLAN连接中利用ad hoc模式建立了与附近的WLAN笔记本电脑30的联系，完成了WLAN节点之间的链路建立工作，并且同时已经使用WCDMA移动链路建立流程，完成了与互联网10之间的空中链路的建立。
此时，当笔记本电脑30通过多模终端20从互联网下载数据时，数据移动过程如下：
在步骤S1，多模终端20中的WCDMA协议栈203中的PDCP层2031将从WCDMA协议栈203下层的无线链路层(RLC层)接收来自互联网的无线数据之后，使用RFC25.07算法进行解压缩，得到以多模终端20在互联网中的IP地址为目标地址的IP数据包，并传递给WCDMA协议栈的上层用户，即TCP/IP协议层202。
在步骤S2，TCP/IP协议层202对IP数据包进行解包操作，恢复出IP数据包的内容并转交给转发控制层201。
在步骤S3，转发控制层201调用TCP/IP协议层，按照WLAN笔记本电脑30在WLAN微网络中的IP地址(作为目的地址)再次将原IP数据包的内容打包为新的IP数据包并发送到WLAN协议栈204。
之后，在步骤S4中，由WLAN协议栈204中的MAC层2041将新打包的IP数据包再次打包为MAC帧的格式之后通过WLAN协议栈204的下层发送出去由WLAN笔记本电脑30接收。
可以看到，由于多模终端的移动通信协议栈与WLAN协议栈之间不能进行数据交互，数据在多模终端20中进行了多次转发，并且有一次IP数据包的解包操作以及一次IP数据包的打包操作。这很大的占用了多模终端的系统资源并且效率很低。
下面参考图3描述根据现有技术笔记本电脑通过连接互联网的多模终端发送数据到互联网的过程。
在步骤R1，笔记本电脑30通过WLAN将要发送的数据发送到多模终端20的WLAN协议栈204。
在步骤R2，WLAN协议栈204的MAC层从MAC帧数据中恢复出IP数据包，并交给TCP/IP层202，该IP数据包的源地址为WLAN笔记本电脑30。
在步骤R3，TCP/IP协议层202对IP数据包进行解包操作，恢复出IP数据包中的数据并转交给转发控制层201。
在步骤R4，转发控制层201调用TCP/IP层，按照多模终端20在互联网中的IP地址(作为源地址)再次将原IP数据包中的内容打包为新IP数据包并发送到WCDMA协议栈203。
在步骤R5，WCDMA协议栈203中的PDCP层2031将新IP数据包按照RFC25.07算法进行压缩之后，再通过WCDMA协议栈下层转发出去。
可以看到，与前面一样，由于多模终端的移动通信协议栈与WLAN协议栈之间不能进行数据交互，数据在多模终端20中进行了多次转发，并且有一次IP数据包的解包操作以及一次IP数据包的打包操作。
而根据本发明的方法，在多模终端移动通信协议栈的PDCP层和WLAN协议层的MAC协议层之间直接进行数据传递，在数据转发过程中对IP数据包进行IP地址变化，从而避免多余的IP数据包解压和压缩操作，以及多次的数据转发，从而避免资源的浪费。
图4所示为根据本发明，笔记本电脑通过连接互联网的多模终端从互联网获取数据或者发送数据到互联网的数据移动路径的示意图。
可以看到，本发明的多模终端20A中，使多模终端20A的WCDMA协议栈203的PDCP层2031A具备了IP地址变化的功能，PDCP层2031A和WLAN协议栈204的MAC协议层2041之间通过共享缓存区205进行数据传递。可以使多模终端20A在执行数据转发的状态下，在多模终端20A中设定一个网络协同工作模式，使其按照本发明的方法进行数据的转发。
下面参考图5的流程图并结合图4来描述根据本发明的一种实施方式，笔记本电脑通过连接互联网的多模终端从互联网获取数据的过程。
当多模终端20A在WLAN连接中利用ad hoc模式建立了与附近的WLAN笔记本电脑30的联系，完成了WLAN节点之间的链路建立工作，并且同时已经使用WCDMA移动链路建立流程，完成了与互联网10之间的空中链路的建立。
并且，假定此时多模终端20A设定了网络协同工作模式。
此时，当笔记本电脑30通过多模终端20A从互联网下载数据时，数据移动过程如下：
在步骤M1，多模终端20A中的WCDMA协议栈203中的PDCP层2031A从WCDMA协议栈203下层的无线链路层(RLC层)接收来自互联网的无线数据后，使用RFC25.07算法进行解压缩，得到以多模终端20在互联网中的IP地址为目标地址的IP数据包之后，由于设定了网络协同工作模式，因此PDCP层2031A将IP数据包的目标IP地址变化为笔记本在WLAN微网络中的IP地址，存放在共享缓存区205，并通知转发控制层201A。
在步骤M2，转发控制层201将IP数据包在缓存区的地址通知WLAN协议栈204的MAC层2041。
在步骤M3，MAC层2041从共享缓存区取出经过地址改变的IP数据包再次打包为MAC帧的格式之后通过WLAN协议栈204的下层发送出去由WLAN笔记本电脑30接收。
可以看到，数据直接由PDCP层发送到MAC层，并且没有IP数据包的解包操作和打包操作。
上面的实施方式中由PDCP层改变接收到的IP数据包的目标IP地址，然而，PDCP层也可以不改变接收到的IP数据包的IP地址而直接将它存放到共享缓存区中，由转发控制层来将IP数据包的目标IP地址变化为笔记本在WLAN微网络中的IP地址，再通知MAC层将数据包从共享缓存区取出发送出去；或者PDCP层和转发控制层都不改变IP数据包的目标IP地址，由MAC层在将IP数据包发送出去之前将IP数据包的目标IP地址变化为笔记本在WLAN微网络中的IP地址。
下面参考图6描述根据本发明的一种实施方式，笔记本电脑通过连接互联网的多模终端发送数据到互联网的过程。
在步骤N1，笔记本电脑30通过WLAN将要发送的数据发送到多模终端20的WLAN协议栈204。
在步骤N2，WLAN协议栈204的MAC层2041从MAC帧数据中恢复出IP数据包，该IP数据包的源IP地址为WLAN笔记本电脑30在WLAN微网络中的IP地址，由于设置了网络协同工作模式，因此MAC层2041将数据存放在共享缓存区之后，通知转发控制层201A。
在步骤N3，转发控制层201将IP数据包在缓存区的地址通知WCDMA协议栈203中的PDCP层2031A。
在步骤N4，WCDMA协议栈203中的PDCP层2031将IP数据包从共享缓存区中取出，将数据包的源IP地址修改为多模终端20在互联网中的IP地址，之后按照RFC25.07算法进行压缩，再通过WCDMA协议栈下层转发出去。
可以看到，数据直接由MAC层发送到PDCP层，而不需要进行多次的转发，并且没有IP数据包的解包操作和打包操作。
上面的实施方式中由PDCP层改变要发送的IP数据包的源IP地址，然而，也可以由转发控制层在MAC层将IP数据包存放在共享缓存区之后改变IP数据包的源IP地址，或者由MAC层将通过无线局域网协议栈接收的IP数据包改变源IP地址之后放到共享缓存区中，再由转发控制层通知PDCP层取出源IP地址改变的IP数据包发送出去。
另外，以上以多模终端的移动通信协议栈为WCDMA协议栈为例进行了说明，然而，本领域技术人员应该可以理解，多模终端的移动通信协议栈还可以是具有PDCP层的任何一种移动通信协议栈，例如TD-SCDMA、GSM、CDMA1x、CDMA2000，GPRS等。
根据本发明的数据转发方式可以让多模手机在后台完成网络数据传递功能，同时手机可以进行提供其它如打电话、收发短信等通信服务，不占用前台人机操作界面。
Claims (14)
1.一种多模终端，具有至少一个移动通信协议栈，至少一个无线局域网协议栈，以及转发控制层，其特征在于，多模终端进一步包括共享缓存区，其中，
移动通信协议栈用于将从互联网接收到的IP数据包存放到共享缓存区后通知转发控制层；
转发控制层用于将IP数据包在共享缓存区中的存放地址通知无线局域网协议栈；
无线局域网协议栈用于从共享缓存区取出IP数据包并将其发送到无线设备，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的目的IP地址修改为无线设备在无线局域网连接中的IP地址。
2.根据权利要求1所述的多模终端，其特征在于，
无线局域网协议栈，进一步用于将从无线设备接收到的IP数据包转送到共享缓存区，并通知所述转发控制层；
转发控制层，进一步用于将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；
移动通信协议栈，进一步用于从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
3.根据权利要求1或2所述的多模终端，其特征在于，无线局域网协议栈为WiFi、WiMax、BlueTooth、UWB、Zigbee、RFID中的一个。
4.根据权利要求1或2所述的多模终端，其特征在于，移动通信协议栈为TD-SCDMA、WCDMA、GSM、CDMA 1x、CDMA2000，GPRS中的一个。
5.一种多模式终端的数据转发方法，其特征在于，包括以下步骤：
移动通信协议栈将从互联网接收到的IP数据包存放到共享缓存区后通知转发控制层；
转发控制层将IP数据包在共享缓存区中的存放地址通知无线局域网协议栈；
无线局域网协议栈从共享缓存区取出IP数据包并将其发送到无线设备，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的目的IP地址修改为无线设备在无线局域网连接中的IP地址。
6.根据权利要求5所述的方法，其特征在于，所述方法进一步包括以下步骤：
无线局域网协议栈将从无线设备接收到的IP数据包转送到共享缓存区，并通知所述转发控制层；
转发控制层将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；
移动通信协议栈从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
7.根据权利要求5或6所述的方法，其特征在于，无线局域网协议栈为WiFi、WiMax、BlueTooth、UWB、Zigbee、RFID中的一个。
8.根据权利要求5或6所述的方法，其特征在于，移动通信协议栈为TD-SCDMA、WCDMA、GSM、CDMA lx、CDMA2000，GPRS中的一个。
9.一种多模终端，具有至少一个移动通信协议栈，至少一个无线局域网协议栈，以及转发控制器，其特征在于，多模终端进一步包括共享缓存区，其中，
无线局域网协议栈用于将从无线设备接收到的IP数据包转送到共享缓存区，并通知转发控制层；
转发控制层用于将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；
移动通信协议栈用于从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
10.根据权利要求9所述的多模终端，其特征在于，无线局域网协议栈为WiFi、WiMax、BlueTooth、UWB、Zigbee、RFID中的一个。
11.根据权利要求9所述的多模终端，其特征在于，移动通信协议栈为TD-SCDMA、WCDMA、GSM、CDMA 1x、CDMA2000，GPRS中的一个。
12.一种多模终端的数据转发方法，其特征在于，包括以下步骤：
无线局域网协议栈将从无线设备接收到的IP数据包转送到共享缓存区，并通知转发控制层；
转发控制层将从无线设备接收到的IP数据包在共享缓存区中的存放地址通知移动通信协议栈；
移动通信协议栈从共享缓存区取出从无线设备接收到的IP数据包，将该IP数据包发送到互联网，
移动通信协议栈、转发控制层、无线局域网协议栈中的任何一个将IP数据包的的源地址修改为互联网中对应的IP地址。
13.根据权利要求12所述的方法，其特征在于，无线局域网协议栈为WiFi、WiMax、BlueTooth、UWB、Zigbee、RFID中的一个。
14.根据权利要求12所述的方法，其特征在于，移动通信协议栈为TD-SCDMA、WCDMA、GSM、CDMA 1x、CDMA2000，GPRS中的一个。
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| US8924469B2 (en) | 2008-06-05 | 2014-12-30 | Headwater Partners I Llc | Enterprise access control and accounting allocation for access networks |
| US8725123B2 (en) | 2008-06-05 | 2014-05-13 | Headwater Partners I Llc | Communications device with secure data path processing agents |
| US9641957B2 (en) | 2009-01-28 | 2017-05-02 | Headwater Research Llc | Automated device provisioning and activation |
| US10779177B2 (en) | 2009-01-28 | 2020-09-15 | Headwater Research Llc | Device group partitions and settlement platform |
| US8631102B2 (en) | 2009-01-28 | 2014-01-14 | Headwater Partners I Llc | Automated device provisioning and activation |
| US8630630B2 (en) | 2009-01-28 | 2014-01-14 | Headwater Partners I Llc | Enhanced roaming services and converged carrier networks with device assisted services and a proxy |
| US8630192B2 (en) | 2009-01-28 | 2014-01-14 | Headwater Partners I Llc | Verifiable and accurate service usage monitoring for intermediate networking devices |
| US8630611B2 (en) | 2009-01-28 | 2014-01-14 | Headwater Partners I Llc | Automated device provisioning and activation |
| US8634805B2 (en) | 2009-01-28 | 2014-01-21 | Headwater Partners I Llc | Device assisted CDR creation aggregation, mediation and billing |
| US8635335B2 (en) | 2009-01-28 | 2014-01-21 | Headwater Partners I Llc | System and method for wireless network offloading |
| US8635678B2 (en) | 2009-01-28 | 2014-01-21 | Headwater Partners I Llc | Automated device provisioning and activation |
| US8634821B2 (en) | 2009-01-28 | 2014-01-21 | Headwater Partners I Llc | Device assisted services install |
| US8639811B2 (en) | 2009-01-28 | 2014-01-28 | Headwater Partners I Llc | Automated device provisioning and activation |
| US8640198B2 (en) | 2009-01-28 | 2014-01-28 | Headwater Partners I Llc | Automated device provisioning and activation |
| US8666364B2 (en) | 2009-01-28 | 2014-03-04 | Headwater Partners I Llc | Verifiable device assisted service usage billing with integrated accounting, mediation accounting, and multi-account |
| US9647918B2 (en) | 2009-01-28 | 2017-05-09 | Headwater Research Llc | Mobile device and method attributing media services network usage to requesting application |
| US8675507B2 (en) | 2009-01-28 | 2014-03-18 | Headwater Partners I Llc | Service profile management with user preference, adaptive policy, network neutrality and user privacy for intermediate networking devices |
| US8688099B2 (en) | 2009-01-28 | 2014-04-01 | Headwater Partners I Llc | Open development system for access service providers |
| US8695073B2 (en) | 2009-01-28 | 2014-04-08 | Headwater Partners I Llc | Automated device provisioning and activation |
| US8713630B2 (en) | 2009-01-28 | 2014-04-29 | Headwater Partners I Llc | Verifiable service policy implementation for intermediate networking devices |
| US8724554B2 (en) | 2009-01-28 | 2014-05-13 | Headwater Partners I Llc | Open transaction central billing system |
| US8737957B2 (en) | 2009-01-28 | 2014-05-27 | Headwater Partners I Llc | Automated device provisioning and activation |
| US8745191B2 (en) | 2009-01-28 | 2014-06-03 | Headwater Partners I Llc | System and method for providing user notifications |
| US12101434B2 (en) | 2009-01-28 | 2024-09-24 | Headwater Research Llc | Device assisted CDR creation, aggregation, mediation and billing |
| US8745220B2 (en) | 2009-01-28 | 2014-06-03 | Headwater Partners I Llc | System and method for providing user notifications |
| CN102365890B (zh) * | 2009-01-28 | 2014-06-18 | 海德沃特合作I有限公司 | 对于中间联网设备的可验证的服务计费 |
| US11985155B2 (en) | 2009-01-28 | 2024-05-14 | Headwater Research Llc | Communications device with secure data path processing agents |
| US11973804B2 (en) | 2009-01-28 | 2024-04-30 | Headwater Research Llc | Network service plan design |
| US8788661B2 (en) | 2009-01-28 | 2014-07-22 | Headwater Partners I Llc | Device assisted CDR creation, aggregation, mediation and billing |
| US8793758B2 (en) | 2009-01-28 | 2014-07-29 | Headwater Partners I Llc | Security, fraud detection, and fraud mitigation in device-assisted services systems |
| US8799451B2 (en) | 2009-01-28 | 2014-08-05 | Headwater Partners I Llc | Verifiable service policy implementation for intermediate networking devices |
| US8797908B2 (en) | 2009-01-28 | 2014-08-05 | Headwater Partners I Llc | Automated device provisioning and activation |
| US11968234B2 (en) | 2009-01-28 | 2024-04-23 | Headwater Research Llc | Wireless network service interfaces |
| US8839387B2 (en) | 2009-01-28 | 2014-09-16 | Headwater Partners I Llc | Roaming services network and overlay networks |
| US8839388B2 (en) | 2009-01-28 | 2014-09-16 | Headwater Partners I Llc | Automated device provisioning and activation |
| US11966464B2 (en) | 2009-01-28 | 2024-04-23 | Headwater Research Llc | Security techniques for device assisted services |
| US11923995B2 (en) | 2009-01-28 | 2024-03-05 | Headwater Research Llc | Device-assisted services for protecting network capacity |
| US8868455B2 (en) | 2009-01-28 | 2014-10-21 | Headwater Partners I Llc | Adaptive ambient services |
| US8886162B2 (en) | 2009-01-28 | 2014-11-11 | Headwater Partners I Llc | Restricting end-user device communications over a wireless access network associated with a cost |
| US8893009B2 (en) | 2009-01-28 | 2014-11-18 | Headwater Partners I Llc | End user device that secures an association of application to service policy with an application certificate check |
| US8897744B2 (en) | 2009-01-28 | 2014-11-25 | Headwater Partners I Llc | Device assisted ambient services |
| US8898079B2 (en) | 2009-01-28 | 2014-11-25 | Headwater Partners I Llc | Network based ambient services |
| US8897743B2 (en) | 2009-01-28 | 2014-11-25 | Headwater Partners I Llc | Verifiable device assisted service usage billing with integrated accounting, mediation accounting, and multi-account |
| US8898293B2 (en) | 2009-01-28 | 2014-11-25 | Headwater Partners I Llc | Service offer set publishing to device agent with on-device service selection |
| US8903452B2 (en) | 2009-01-28 | 2014-12-02 | Headwater Partners I Llc | Device assisted ambient services |
| US8626115B2 (en) | 2009-01-28 | 2014-01-07 | Headwater Partners I Llc | Wireless network service interfaces |
| US8924543B2 (en) | 2009-01-28 | 2014-12-30 | Headwater Partners I Llc | Service design center for device assisted services |
| US8924549B2 (en) | 2009-01-28 | 2014-12-30 | Headwater Partners I Llc | Network based ambient services |
| US8948025B2 (en) | 2009-01-28 | 2015-02-03 | Headwater Partners I Llc | Remotely configurable device agent for packet routing |
| US9014026B2 (en) | 2009-01-28 | 2015-04-21 | Headwater Partners I Llc | Network based service profile management with user preference, adaptive policy, network neutrality, and user privacy |
| US9026079B2 (en) | 2009-01-28 | 2015-05-05 | Headwater Partners I Llc | Wireless network service interfaces |
| US9037127B2 (en) | 2009-01-28 | 2015-05-19 | Headwater Partners I Llc | Device agent for remote user configuration of wireless network access |
| US9094311B2 (en) | 2009-01-28 | 2015-07-28 | Headwater Partners I, Llc | Techniques for attribution of mobile device data traffic to initiating end-user application |
| US9137739B2 (en) | 2009-01-28 | 2015-09-15 | Headwater Partners I Llc | Network based service policy implementation with network neutrality and user privacy |
| US9143976B2 (en) | 2009-01-28 | 2015-09-22 | Headwater Partners I Llc | Wireless end-user device with differentiated network access and access status for background and foreground device applications |
| US11757943B2 (en) | 2009-01-28 | 2023-09-12 | Headwater Research Llc | Automated device provisioning and activation |
| US9154428B2 (en) | 2009-01-28 | 2015-10-06 | Headwater Partners I Llc | Wireless end-user device with differentiated network access selectively applied to different applications |
| US9173104B2 (en) | 2009-01-28 | 2015-10-27 | Headwater Partners I Llc | Mobile device with device agents to detect a disallowed access to a requested mobile data service and guide a multi-carrier selection and activation sequence |
| US9179308B2 (en) | 2009-01-28 | 2015-11-03 | Headwater Partners I Llc | Network tools for analysis, design, testing, and production of services |
| US9179315B2 (en) | 2009-01-28 | 2015-11-03 | Headwater Partners I Llc | Mobile device with data service monitoring, categorization, and display for different applications and networks |
| US9179359B2 (en) | 2009-01-28 | 2015-11-03 | Headwater Partners I Llc | Wireless end-user device with differentiated network access status for different device applications |
| US9179316B2 (en) | 2009-01-28 | 2015-11-03 | Headwater Partners I Llc | Mobile device with user controls and policy agent to control application access to device location data |
| US9198074B2 (en) | 2009-01-28 | 2015-11-24 | Headwater Partners I Llc | Wireless end-user device with differential traffic control policy list and applying foreground classification to roaming wireless data service |
| US9198075B2 (en) | 2009-01-28 | 2015-11-24 | Headwater Partners I Llc | Wireless end-user device with differential traffic control policy list applicable to one of several wireless modems |
| US9198076B2 (en) | 2009-01-28 | 2015-11-24 | Headwater Partners I Llc | Wireless end-user device with power-control-state-based wireless network access policy for background applications |
| US9198042B2 (en) | 2009-01-28 | 2015-11-24 | Headwater Partners I Llc | Security techniques for device assisted services |
| US9198117B2 (en) | 2009-01-28 | 2015-11-24 | Headwater Partners I Llc | Network system with common secure wireless message service serving multiple applications on multiple wireless devices |
| US9204374B2 (en) | 2009-01-28 | 2015-12-01 | Headwater Partners I Llc | Multicarrier over-the-air cellular network activation server |
| US9204282B2 (en) | 2009-01-28 | 2015-12-01 | Headwater Partners I Llc | Enhanced roaming services and converged carrier networks with device assisted services and a proxy |
| US9215613B2 (en) | 2009-01-28 | 2015-12-15 | Headwater Partners I Llc | Wireless end-user device with differential traffic control policy list having limited user control |
| US9215159B2 (en) | 2009-01-28 | 2015-12-15 | Headwater Partners I Llc | Data usage monitoring for media data services used by applications |
| US9220027B1 (en) | 2009-01-28 | 2015-12-22 | Headwater Partners I Llc | Wireless end-user device with policy-based controls for WWAN network usage and modem state changes requested by specific applications |
| US9225797B2 (en) | 2009-01-28 | 2015-12-29 | Headwater Partners I Llc | System for providing an adaptive wireless ambient service to a mobile device |
| US9232403B2 (en) | 2009-01-28 | 2016-01-05 | Headwater Partners I Llc | Mobile device with common secure wireless message service serving multiple applications |
| US9247450B2 (en) | 2009-01-28 | 2016-01-26 | Headwater Partners I Llc | Quality of service for device assisted services |
| US9253663B2 (en) | 2009-01-28 | 2016-02-02 | Headwater Partners I Llc | Controlling mobile device communications on a roaming network based on device state |
| US9258735B2 (en) | 2009-01-28 | 2016-02-09 | Headwater Partners I Llc | Device-assisted services for protecting network capacity |
| US9271184B2 (en) | 2009-01-28 | 2016-02-23 | Headwater Partners I Llc | Wireless end-user device with per-application data limit and traffic control policy list limiting background application traffic |
| US9270559B2 (en) | 2009-01-28 | 2016-02-23 | Headwater Partners I Llc | Service policy implementation for an end-user device having a control application or a proxy agent for routing an application traffic flow |
| US9277433B2 (en) | 2009-01-28 | 2016-03-01 | Headwater Partners I Llc | Wireless end-user device with policy-based aggregation of network activity requested by applications |
| US9277445B2 (en) | 2009-01-28 | 2016-03-01 | Headwater Partners I Llc | Wireless end-user device with differential traffic control policy list and applying foreground classification to wireless data service |
| US9319913B2 (en) | 2009-01-28 | 2016-04-19 | Headwater Partners I Llc | Wireless end-user device with secure network-provided differential traffic control policy list |
| US9351193B2 (en) | 2009-01-28 | 2016-05-24 | Headwater Partners I Llc | Intermediate networking devices |
| US11750477B2 (en) | 2009-01-28 | 2023-09-05 | Headwater Research Llc | Adaptive ambient services |
| US9386165B2 (en) | 2009-01-28 | 2016-07-05 | Headwater Partners I Llc | System and method for providing user notifications |
| US9386121B2 (en) | 2009-01-28 | 2016-07-05 | Headwater Partners I Llc | Method for providing an adaptive wireless ambient service to a mobile device |
| US9392462B2 (en) | 2009-01-28 | 2016-07-12 | Headwater Partners I Llc | Mobile end-user device with agent limiting wireless data communication for specified background applications based on a stored policy |
| US9491564B1 (en) | 2009-01-28 | 2016-11-08 | Headwater Partners I Llc | Mobile device and method with secure network messaging for authorized components |
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| US9521578B2 (en) | 2009-01-28 | 2016-12-13 | Headwater Partners I Llc | Wireless end-user device with application program interface to allow applications to access application-specific aspects of a wireless network access policy |
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| US9532161B2 (en) | 2009-01-28 | 2016-12-27 | Headwater Partners I Llc | Wireless device with application data flow tagging and network stack-implemented network access policy |
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| US9572019B2 (en) | 2009-01-28 | 2017-02-14 | Headwater Partners LLC | Service selection set published to device agent with on-device service selection |
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