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    • 91. 发明授权
    • Method of establishing an HRPD signal link
    • 建立HRPD信号链路的方法
    • US08644280B2
    • 2014-02-04
    • US13190626
    • 2011-07-26
    • George CherianPoornima A. Lalwaney
    • George CherianPoornima A. Lalwaney
    • H04W4/00H04W24/00H04L12/66H04L12/28H04B1/00
    • H04W36/14H04W36/0011H04W36/02
    • A method (10) of establishing an alternate HRPD signaling link between and HRPD access network and an access terminal over a non-HRPD access is disclosed. It includes: providing (12) a signal forwarding function (SFF) (22) between an access terminal (AT) (24) and a high rate packet data (HRPD) access network (AN) (26); establishing (14) a data tunnel (28) between the access terminal (24) and the SFF (22); exchanging (16) HRPD signaling messages and HRPD data via the data tunnel (28); identifying (18) the HRPD access network (26) and the access terminal (24) over non-HRPD access by the SFF (22), by reading a header with certain identifiers and mapping the header to an address of the access terminal or network; and forwarding (20) the HRPD signaling messages and the HRPD data that arrive at the SFF (22) from the access terminal (24) and the HRPD access network (26) to the HRPD access network (26) and the access terminal (24), respectively. The method (10) performs an initiation and session establishment procedure, minimizes the time, disruption and packet loss during handoff to a HRPD access network and enables seamless mobility.
    • 公开了一种通过非HRPD接入在HRPD接入网与接入终端之间建立备用HRPD信令链路的方法(10)。 它包括:在接入终端(AT)(24)和高速率分组数据(HRPD)接入网络(AN)(26)之间提供(12)信号转发功能(SFF)(22)。 在所述接入终端(24)和所述SFF(22)之间建立(14)数据隧道(28); 通过数据隧道(28)交换(16)HRPD信令消息和HRPD数据; 通过读取具有某些标识符的标题并将标题映射到接入终端或网络的地址来识别通过SFF(22)的非HRPD接入的HRPD接入网络(26)和接入终端(24) ; 以及将从所述接入终端(24)和所述HRPD接入网(26)到达所述SFF(22)的所述HRPD信令消息和HRPD数据转发(20)到所述HRPD接入网(26)和所述接入终端(24) ), 分别。 方法(10)执行启动和会话建立过程,在切换到HRPD接入网络期间最小化时间,中断和分组丢失,并实现无缝移动性。
    • 94. 发明申请
    • DEMAND-BASED MULTIMEDIA BROADCAST MULTICAST SERVICE MANAGEMENT
    • 基于需求的多媒体广播多媒体服务管理
    • US20120263089A1
    • 2012-10-18
    • US13445864
    • 2012-04-12
    • Ajay GuptaGang BaoGeorge CherianJun Wang
    • Ajay GuptaGang BaoGeorge CherianJun Wang
    • H04W4/06H04W24/00
    • H04W72/005H04W4/06H04W28/08H04W64/00
    • A method or system for managing demand-based multicast services in a wireless communications system (WCS) capable of both unicast and multicast signaling may include providing content requested by a mobile entity in an area of the WCS via a unicast session, determining that a concurrent demand level for the content exceeds a defined threshold for the area of the WCS, and initiating a multicast session for the content in the area of the WCS, in response to determining the concurrent demand level has exceeded the threshold. The method or system may include more detailed operations or aspects for measuring the concurrent demand level, transitioning signaling between unicast and multicast modes, communicating between network components, or related functions.
    • 一种用于在能够同时进行单播和多播信令的无线通信系统(WCS)中管理基于需求的多播服务的方法或系统可以包括经由单播会话在WCS的区域中提供由移动实体请求的内容,确定并发 响应于确定并发需求级别已经超过阈值,内容的需求级别超过WCS区域的定义阈值,并且针对WCS区域中的内容发起多播会话。 该方法或系统可以包括用于测量并发需求级别,在单播和多播模式之间转换信令,网络组件之间的通信或相关功能的更详细的操作或方面。
    • 95. 发明申请
    • SYSTEMS, METHODS, AND APPARATUS FOR MANAGING IP ADDRESSES AND NETWORK TRAFFIC IN WIRELESS NETWORKS
    • 用于管理无线网络中的IP地址和网络交通的系统,方法和设备
    • US20120099586A1
    • 2012-04-26
    • US13277170
    • 2011-10-19
    • George CherianJun WangAjith Tom PayyappillySuli Zhao
    • George CherianJun WangAjith Tom PayyappillySuli Zhao
    • H04L12/56
    • H04L61/2007H04L29/12216H04L29/12273H04L43/10H04L61/2053H04W76/25
    • Systems, methods and apparatus described herein include features that enable efficient management of keep-alive messages utilized to maintain IP addresses and/or PDN connections associated with idle data traffic channels. An access terminal may consolidate keep-alive messages for idle data traffic channels, reducing the number of keep-alive messages transmitted. An access terminal may select which idle data traffic channels to maintain, and may transmit a consolidated keep-alive message for associated IP addresses and/or PDN connections. Timers may be associated with PDN connections and sub-timers may be associated with IP addresses associated with a PDN connection. Keep-alive messages can be consolidated based on the timers, sub-timers and/or combination of timers and sub-timers. In a complementary method, a PDN gateway or other network node cooperates with access terminals to reduce network traffic. In another complementary method, the PDN gateway or other network node synchronizes the timers and/or sub-timers provided with an access terminal.
    • 本文描述的系统,方法和装置包括能够有效管理用于维持与空闲数据业务信道相关联的IP地址和/或PDN连接的保持活动消息的特征。 接入终端可以整合用于空闲数据业务信道的保持活动消息,减少发送的保活消息的数量。 接入终端可以选择要维护的空闲数据业务信道,并且可以发送用于相关联的IP地址和/或PDN连接的统一的保持活动消息。 定时器可以与PDN连接相关联,并且子定时器可以与与PDN连接相关联的IP地址相关联。 可以基于定时器,子定时器和/或定时器和子定时器的组合来整合保持活动消息。 在互补方法中,PDN网关或其他网络节点与接入终端协作以减少网络流量。 在另一种补充方法中,PDN网关或其他网络节点与提供有接入终端的定时器和/或子定时器同步。
    • 100. 发明申请
    • System and Methods for Performing Multiple Registrations Across Different Radio Access Technologies
    • 在不同无线电接入技术中执行多个注册的系统和方法
    • US20100323696A1
    • 2010-12-23
    • US12783878
    • 2010-05-20
    • George CherianJun WangSrinivasan Balasubramanian
    • George CherianJun WangSrinivasan Balasubramanian
    • H04W60/00
    • H04W60/005H04W36/0016H04W36/14H04W76/10H04W88/06
    • Disclosed are systems, methods and computer program products for performing multiple registrations across different radio access technologies (RATs). In one aspect, the registration procedure provisions a mobile device to register with a primary RAT and pre-register with at least one non-primary RAT using its air interface, which is different from the primary RAT. The pre-registration procedure includes setting up a radio session context and a packet data network (PDN) context with the non-primary RAT. The procedure further includes setting up a pseudo-binding with an external PDN gateway and obtaining binding state information for the mobile device from the PDN gateway without transferring binding state from the primary RAT to the non-primary RAT. The binding state information may be added to the PDN context. The mobile device may then perform handoff from the primary RAN to non-primary RAN using the preset contexts.
    • 公开了用于在不同的无线电接入技术(RAT)上执行多个注册的系统,方法和计算机程序产品。 在一个方面,注册过程规定移动设备向主RAT注册,并且使用其与主RAT不同的空中接口对至少一个非主RAT进行预注册。 预注册过程包括与非主RAT建立无线电会话上下文和分组数据网络(PDN)上下文。 该过程进一步包括设置与外部PDN网关的伪绑定,并从PDN网关获取移动设备的绑定状态信息,而不将绑定状态从主RAT转移到非主RAT。 可以将绑定状态信息添加到PDN上下文。 然后,移动设备可以使用预设上下文来执行从主RAN到非主RAN的切换。