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    • 19. 发明申请
    • METHODS AND APPARATUS FOR USE IN CONTROLLING DISCONTINUOUS TRANSMISSION (DTX) FOR VOICE COMMUNICATIONS IN A NETWORK
    • 用于控制网络中语音通信的不连续传输(DTX)的方法和装置
    • WO2009055916A1
    • 2009-05-07
    • PCT/CA2008/001910
    • 2008-10-30
    • RESEARCH IN MOTION LIMITEDWIJAYANATHAN, Maiyuran
    • WIJAYANATHAN, Maiyuran
    • H04Q7/36H04W4/16H04W52/02H04W60/00H04W76/04H04W88/06
    • H04W76/28H04W92/02
    • In one illustrative example, a mobile communication device receives, via a generic access network (GAN) from a GAN controller, a message having a discontinuous transmission (DTX) indication. For a voice communication session, the mobile device causes a connection to be established with the GANC, via the GAN and over a wireless communication link with a wireless access point of the GAN, for the communication of voice data of the voice session which is provided via a core network of a mobile telecommunications network. In response to identifying that the DTX indication indicates that the DTX functions are instructed or supported by the GANC, the mobile device causes DTX functions to be performed for the communication of the voice data of the voice session over the wireless link. On the other hand, in response to identifying that the DTX indication fails to indicate that DTX functions are supported or instructed by the GANC, the mobile device refrains from causing the DTX functions to be performed for the communication of the voice data of the voice session over the wireless link. Preferably, the message which carries the DTX indication is a GA-RC REGISTER ACCEPT message or a GA-RC REGISTER UPDATE DOWNLINK message.
    • 在一个说明性示例中,移动通信设备经由来自GAN控制器的通用接入网络(GAN)接收具有不连续传输(DTX)指示的消息。 对于语音通信会话,移动设备通过GAN和通过与GAN的无线接入点的无线通信链路与GANC建立连接,用于通信提供的语音会话的语音数据 通过移动电信网络的核心网络。 响应于识别出DTX指示表示该GANC指示或支持该DTX功能,该移动设备使得DTX功能能够通过无线链路进行语音会话语音数据的通信。 另一方面,响应于识别出DTX指示未能指示DTAN功能被GANC支持或指示,则移动设备避免使DTX功能被执行用于语音会话的语音数据的通信 通过无线链路。 优选地,携带DTX指示的消息是GA-RC REGISTER ACCEPT消息或GA-RC REGISTER UPDATE DOWNLINK消息。
    • 20. 发明申请
    • METHODS AND APPARATUS FOR USE IN CONTROLLING THE SELECTION OF COMMUNICATION NETWORKS WHILE CONNECTED IN A GENERIC ACCESS NETWORK
    • 用于控制在一般访问网络中连接的通信网络的选择的方法和装置
    • WO2008148214A1
    • 2008-12-11
    • PCT/CA2008/001091
    • 2008-06-06
    • RESEARCH IN MOTION LIMITEDWIJAYANATHAN, MaiyuranNAQVI, Noushad
    • WIJAYANATHAN, MaiyuranNAQVI, Noushad
    • H04Q7/38H04L12/28H04Q7/24H04Q7/32
    • H04W76/25H04W8/18H04W48/18H04W76/10
    • Methods and apparatus for use by a mobile communication device in controlling the selection of communication networks for communications are described. In one illustrative example, the mobile device maintains a communication link with a radio access network (RAN) (e.g. an IEEE 802.11-based wireless network). The RAN is part of a generic access network (GAN) which further includes a gateway controller. The mobile device maintains, via the GAN, a service connection for a voice and/or data service with a core network of a visited Public Land Mobile Network (PLMN). The mobile device repeatedly performs actions while the service connection with the core network associated with the visited PLMN is maintained. Specifically, the mobile device operates to set and run a timer and, in response to an expiration of the timer, the mobile device sends, to a gateway controller via the RAN, a service connection request for a service connection with a core network of a home PLMN of the mobile device. If the service connection request is accepted, the mobile device operates to establish and maintain, via the GAN, a service connection with the core network of the home PLMN for communications. If this service connection request is not accepted, however, the mobile device operates to select an alternative visited PLMN from a preferred list of visited networks if the alternative visited PLMN has a higher priority in the list than the visited PLMN. In this case, the mobile device sends to a gateway controller a service connection request for a service connection with a core network of the alternative visited PLMN.
    • 描述了移动通信设备在控制通信通信网络的选择中使用的方法和装置。 在一个说明性示例中,移动设备维护与无线电接入网络(RAN)(例如,基于IEEE 802.11的无线网络)的通信链路。 RAN是通用接入网络(GAN)的一部分,其还包括网关控制器。 移动设备经由GAN维护与被访问的公共陆地移动网络(PLMN)的核心网络的语音和/或数据服务的服务连接。 移动设备在与被访问的PLMN相关联的核心网络的服务连接被维持的同时重复执行动作。 具体地,移动设备操作以设置和运行定时器,并且响应于定时器的期满,移动设备经由RAN向网关控制器发送与核心网络的服务连接的服务连接请求 移动设备的家庭PLMN。 如果服务连接请求被接受,则移动设备操作以经由GAN建立和维护与家庭PLMN的核心网络进行通信的服务连接。 然而,如果该服务连接请求不被接受,则如果替代访问PLMN在列表中比访问PLMN具有更高的优先级,则移动设备操作以从拜访网络的优选列表中选择替代访问PLMN。 在这种情况下,移动设备向网关控制器发送与替代访问PLMN的核心网络的服务连接的服务连接请求。