Method and apparatus to enable fallback to circuit switched domain from packet switched domain
    4.
    发明公开
    Method and apparatus to enable fallback to circuit switched domain from packet switched domain 有权
    从分组交换域回退到电路交换域的方法和装置

    公开(公告)号:EP2637442A2

    公开(公告)日:2013-09-11

    申请号:EP13162741.6

    申请日:2009-03-19

    IPC分类号: H04W36/00

    摘要: A method and apparatus are used to perform a Circuit Switched (CS) fallback in wireless communications. The Non-Access Stratum (NAS) of the apparatus determines whether to perform a CS fallback based on an Internet Protocol (IP) Multimedia Subsystem (IMS) registration status, and sends a service request indicating a request to perform the CS fallback when the WTRU is attached to a CS domain. The apparatus also includes an Access Stratum (AS) that receives the CS service request from the NAS, sends an indication of the CS service request in a Radio Resource Control (RRC) message to an Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (E-UTRAN), wherein the RRC message includes CS service information, and receives a handover conunand in response to the CS service request.

    摘要翻译: 使用方法和装置来执行无线通信中的电路交换(CS)回退。 装置的非接入层(NAS)基于互联网协议(IP)多媒体子系统(IMS)注册状态来确定是否执行CS回退,并且当WTRU 附加到CS域。 该装置还包括接收来自NAS的CS服务请求的接入层(AS),在无线电资源控制(RRC)消息中将CS服务请求的指示发送到演进的通用移动电信系统(UMTS)陆地无线电接入 网络(E-UTRAN),其中所述RRC消息包括CS服务信息,并且响应于所述CS服务请求接收切换控制单元。

    Method and apparatus to enable fallback to circuit switched domain from packet switched domain
    5.
    发明公开
    Method and apparatus to enable fallback to circuit switched domain from packet switched domain 审中-公开
    用于使回退到一个电路的方法和装置交换域从分组交换域

    公开(公告)号:EP2637441A2

    公开(公告)日:2013-09-11

    申请号:EP13162735.8

    申请日:2009-03-19

    IPC分类号: H04W36/00

    摘要: A method and apparatus are used to perform a Circuit Switched (CS) fallback in wireless communications. The Non-Access Stratum (NAS) of the apparatus determines whether to perform a CS fallback based on an Internet Protocol (IP) Multimedia Subsystem (IMS) registration status, and sends a service request indicating a request to perform the CS fallback when the WTRU is attached to a CS domain. The apparatus also includes an Access Stratum (AS) that receives the CS service request from the NAS, sends an indication of the CS service request in a Radio Resource Control (RRC) message to an Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (E-UTRAN), wherein the RRC message includes CS service information, and receives a handover conunand in response to the CS service request.

    摘要翻译: 的方法和装置被用于执行电路交换无线通信(CS)回退。 的非接入层(NAS)基于bestimmt是否执行CS回退的装置的互联网协议(IP)多媒体子系统(IMS)注册状态上,并且发送业务请求指示来执行CS回退到所述WTRU当请求 连接到CS域。 因此,该装置包括:在接入层(AS)没接收来自NAS的CS服务请求发送到在演进的通用移动电信系统中的无线资源控制(RRC)消息中的CS服务请求的指示(UMTS)陆地无线电接入 网络(E-UTRAN),worin所述RRC消息包括CS服务信息,以及响应于所述CS服务请求接收切换conunand。