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    • 4. 发明授权
    • Technique for setting up calls in mobile network
    • 在移动网络中建立呼叫的技术
    • US07123920B1
    • 2006-10-17
    • US09828127
    • 2001-04-09
    • Stefano FaccinYousuf SaifullahSrinivas SreemanthulaTuija HurttaNedko IvanovBalazs Bertenyi
    • Stefano FaccinYousuf SaifullahSrinivas SreemanthulaTuija HurttaNedko IvanovBalazs Bertenyi
    • H04Q7/20H04Q7/00H04B7/00H04J3/14H04J3/24
    • H04L65/1069H04L29/06027H04L65/1043H04W76/12H04W80/04H04W92/02H04W92/24
    • In a technique for setting up calls in IP mobile networks, when an application level in a mobile station sends a setup message to set up a multimedia call, before sending such a message over the radio interface, the mobile station performs the appropriate procedures to setup the appropriate bearers over the radio interface and in the network to satisfy the call requirements specified by the application level in the setup message. The technique applies to both mobile originated calls and mobile terminated calls, the called mobile station performing the transport level procedures after having received a setup message and before sending a confirmation/call acceptance message back to the calling party. Furthermore, the allocation of radio resources for PDP contexts that will be used to carry the media of a multimedia IP called is delayed so that no radio resources are allocated to the PDP contexts activated before the call control signaling is exchanged. The radio resources are allocated only when the call signaling has been completed and the called party has accepted the call and indicated the call characteristics that it can support. An indication is forwarded from the SGSN to the GGSN advising that no packets are to be sent on the PDP context because there are no radio resources for the PDP context.
    • 在用于在IP移动网络中建立呼叫的技术中,当移动站中的应用级别发送建立消息以建立多媒体呼叫时,在通过无线接口发送这样的消息之前,移动台执行适当的过程来设置 通过无线电接口和网络中的适当载体来满足在设置消息中由应用级别指定的呼叫要求。 该技术适用于移动发起呼叫和移动终端呼叫,被叫移动台在接收到建立消息之后并且在向呼叫方发送确认/呼叫接受消息之前执行传输级别过程。 此外,将用于携带被叫做多媒体IP的媒体的PDP上下文的无线电资源的分配被延迟,使得在交换呼叫控制信令之前没有将无线电资源分配给激活的PDP上下文。 无线电资源仅在呼叫信令完成并且被叫方已经接受呼叫并且指示可以支持的呼叫特性时被分配。 指示从SGSN转发到GGSN,建议在PDP上下文上不发送分组,因为没有用于PDP上下文的无线电资源。
    • 7. 发明申请
    • Methods and systems for carrying of call control signaling after handover from an IP packet switched network to a circuit switched cellular network and vice versa
    • 在从IP分组交换网络切换到电路交换蜂窝网络之后承载呼叫控制信令的方法和系统,反之亦然
    • US20070005803A1
    • 2007-01-04
    • US11289365
    • 2005-11-30
    • Yousuf SaifullahSrinivas SreemanthulaKhiem LeStefano Faccin
    • Yousuf SaifullahSrinivas SreemanthulaKhiem LeStefano Faccin
    • G06F15/16
    • H04W36/0022H04W76/20H04W80/04H04W88/16H04W92/02
    • Methods and systems for carrying call control information after a call handover from an Internet Protocol (IP) packet switched network to a circuit switched cellular network and vice versa. The IP packet switched network includes a processing server capable of processing IP-based protocol messages. The circuit switched cellular network includes a mobile switching center. A gateway is operatively connected as a bridge between the IP packet switched network and the circuit switched cellular network. The gateway is capable of encapsulating an IP-based protocol message into a payload of a second message, and extracting an IP-based protocol message from a payload of another message. One or more user devices are capable of transmitting and receiving to/from the IP packet switched network and the circuit switched cellular network. The user devices are capable of encapsulating an IP-based protocol message into a payload of a second message, and extracting an IP-based protocol message from a payload of another message. The IP-based protocol message contains call control information that is encapsulated, transparently transferred through the switched cellular network, and extracted. The call control information is transferred between the IP packet switched network and the user device. The circuit switched cellular network may be part of a circuit switched cellular system that also includes an overlayed packet switched network. The call control information may be carried in packets between the IP packet switched network and the user device transparently through the overlayed packet switched network.
    • 在从因特网协议(IP)分组交换网络到电路交换蜂窝网络的呼叫切换之后承载呼叫控制信息的方法和系统,反之亦然。 IP分组交换网络包括能够处理基于IP的协议消息的处理服务器。 电路交换蜂窝网络包括移动交换中心。 网关可操作地连接在IP分组交换网络和电路交换蜂窝网络之间的桥上。 网关能够将基于IP的协议消息封装到第二消息的有效载荷中,并从另一消息的有效载荷中提取基于IP的协议消息。 一个或多个用户设备能够向/从IP分组交换网络和电路交换蜂窝网络发送和接收。 用户设备能够将基于IP的协议消息封装到第二消息的有效载荷中,并从另一消息的有效载荷中提取基于IP的协议消息。 基于IP的协议消息包含被封装,通过交换蜂窝网络透明地传送并提取的呼叫控制信息。 呼叫控制信息在IP分组交换网络和用户设备之间传送。 电路交换蜂窝网络可以是也包括覆盖分组交换网络的电路交换蜂窝系统的一部分。 呼叫控制信息可以通过覆盖的分组交换网络透明地在IP分组交换网络和用户设备之间的分组中携带。
    • 8. 发明申请
    • Terminal-based contention free low overhead access
    • 基于终端的争用免费低开销接入
    • US20080025339A1
    • 2008-01-31
    • US11492910
    • 2006-07-26
    • Khiem LeNaveen KakaniSrinivas Sreemanthula
    • Khiem LeNaveen KakaniSrinivas Sreemanthula
    • H04L12/413
    • H04W4/08H04W8/186H04W74/00H04W84/12
    • A station of a wireless local area network, the station includes a joining unit configured to join one of a plurality of cliques or to create a new clique, wherein each of the plurality of cliques includes at least one station and wherein each station in a clique can hear all other stations within the clique. The station also includes a communication unit configured to communicate with a server that assigns a unique value to each station in the clique when the station joins the network, wherein the value is used to determine a rank associated with each station within the clique. The server is configured to maintain a system map that defines information associated with each of the plurality of cliques and all of the stations in the network. The station also includes a listening unit configured to listen for a predefined signal such that upon receipt of the predefined signal each station in the clique is configured to begin transmission based on an order determined by a ranking of the stations in the clique.
    • 一种无线局域网的站,所述站包括被配置为连接多个小区中的一个或建立新的小组的联接单元,其中所述多个小组中的每一个包括至少一个站,并且其中每个小组 可以听到集团内的所有其他车站。 该站还包括一个通信单元,该通信单元被配置为与站点加入网络时向集团中的每个站点分配唯一值的服务器进行通信,其中该值用于确定与集团内的每个站点相关联的秩。 服务器被配置为维护系统映射,其定义与网络中的多个群集中的每一个和所有站点相关联的信息。 该站还包括一个监听单元,该监听单元被配置为监听预定义的信号,使得在接收到预定义信号时,组中的每个站被配置为基于由集团中的站的排名确定的顺序开始发送。
    • 9. 发明授权
    • Framework for internetworking between WMAN and WLAN networks
    • WMAN和WLAN网络之间的互联网络框架
    • US08121052B2
    • 2012-02-21
    • US12121417
    • 2008-05-15
    • Haihong ZhengShashikant MaheshwariBasavaraj PatilSrinivas Sreemanthula
    • Haihong ZhengShashikant MaheshwariBasavaraj PatilSrinivas Sreemanthula
    • H04W4/00
    • H04W92/02H04W84/04H04W84/12
    • According to one general aspect, a method of using a customer premises equipment (CPE) to represent a mobile station (MS) to a base station (BS) is described. Wherein the CPE and the BS are part of a first wireless network based upon a first networking standard, and the MS and the CPE are part of a second wireless network based upon a second networking standard. The method comprising associating the MS with the CPE. The method further comprising indicating to the BS that the CPE is acting as an agent for the MS on the second wireless network. Also comprising acting as an agent, on the second wireless network, for the MS. And comprising, storing context information related to the MS, wherein the context information includes MS context information related the first network and MS context information related the second network.
    • 根据一个一般方面,描述了使用客户驻地设备(CPE)来向基站(BS)表示移动站(MS)的方法。 其中CPE和BS是基于第一联网标准的第一无线网络的一部分,并且基于第二联网标准,MS和CPE是第二无线网络的一部分。 该方法包括将MS与CPE相关联。 该方法还包括向BS指示CPE充当第二无线网络上的MS的代理。 还包括作为代理,在第二无线网络上用于MS。 并且包括存储与所述MS相关的上下文信息,其中所述上下文信息包括与所述第一网络相关的MS上下文信息和与所述第二网络相关的MS上下文信息。