Multicast session handover
    33.
    发明授权
    Multicast session handover 有权
    组播会话切换

    公开(公告)号:US08068832B2

    公开(公告)日:2011-11-29

    申请号:US09988241

    申请日:2001-11-19

    Abstract: A method and system for performing multicast broadcast handover in a wireless data network are disclosed. Each cell broadcasts administrative announcements over a logical channel to mobile terminals. The announcements indicate which multicast broadcasts are available in specified cells, as well as connection information for each cell. The mobile terminals may tune to a multicast broadcast as defined by the administrative announcements. While tuned to the multicast, the mobile terminal continues to receive administrative announcements. As the broadcast fades out or is otherwise interrupted, the mobile terminal can retune to the same multicast broadcast in another cell, based on the cell connection information included in the previously received administrative announcements.

    Abstract translation: 公开了一种在无线数据网络中执行多播广播切换的方法和系统。 每个小区通过逻辑信道向移动终端广播管理通告。 通知指示哪些组播广播在指定的小区中可用,以及每个小区的连接信息。 移动终端可以调整到由管理公告定义的多播广播。 在调整到多播时,移动终端继续接收管理通知。 当广播消失或被中断时,移动终端可以基于包括在先前接收到的管理公告中的小区连接信息重新调谐到另一小区中的相同多播广播。

    Broadcast/multicast service signalling
    34.
    发明申请
    Broadcast/multicast service signalling 审中-公开
    广播/组播业务信令

    公开(公告)号:US20060274780A1

    公开(公告)日:2006-12-07

    申请号:US10551879

    申请日:2004-04-05

    CPC classification number: H04W4/06 H04L12/189 H04L67/16 H04W68/00 H04W72/005

    Abstract: The invention relates to signalling in broadcast and multicast environments. For a service in the broadcast is defined an indicator, which is formulated into a unique indicator. The indicator is mapped into one time-slot in a signalling channel. A notification relating to the service is transmitted during the said time-slot. The notification is used for enabling the receiver for receiving said service, wherein the receiver may be turned off at other times.

    Abstract translation: 本发明涉及广播和组播环境中的信令。 对于广播中的服务,将一个指标定义为一个独特的指标。 指示符被映射到信令信道中的一个时隙中。 在所述时隙期间发送与服务有关的通知。 该通知用于使接收机能够接收所述服务,其中接收机可能在其他时间被关闭。

    Approximating cell geometry in a cellular transmission system
    35.
    发明申请
    Approximating cell geometry in a cellular transmission system 审中-公开
    蜂窝传输系统中的近似小区几何

    公开(公告)号:US20050272429A1

    公开(公告)日:2005-12-08

    申请号:US10517965

    申请日:2002-06-28

    Abstract: Approximating cell geometry in a cellular transmission system User equipment (UE1) for use in a cellular transmission system comprising a processor configuration (6) to provide data corresponding to first and second parameters (a, b) for dimensional extents of the cell, and to select one of a plurality of different approximate geometrical configurations for the cell in dependence on the relationship between the values of said parameters. The selected cell approximation is then compared with the UE's current location to determine if a cell handover is to be made. The cell approximation technique is described in relation to a DVB-T network.

    Abstract translation: 蜂窝传输系统中的近似小区几何用于蜂窝传输系统中的用户设备(UE 1),包括处理器配置(6),用于提供对应于小区的维度范围的第一和第二参数(a,b)的数据,以及 根据所述参数的值之间的关系来选择所述单元的多个不同近似几何配置之一。 然后将所选择的小区近似与UE的当前位置进行比较,以确定是否要进行小区切换。 关于DVB-T网络描述了小区近似技术。

    Apparatus, system, method and computer program product for reliable multicast transport of data packets
    36.
    发明申请
    Apparatus, system, method and computer program product for reliable multicast transport of data packets 审中-公开
    数据包的可靠组播传输的装置,系统,方法和计算机程序产品

    公开(公告)号:US20050160345A1

    公开(公告)日:2005-07-21

    申请号:US10743948

    申请日:2003-12-24

    CPC classification number: H04L1/1812 H04L1/1887

    Abstract: An apparatus, system method, and computer program product that combine the attributes of ALC and NORM for communicating data between devices on a network. A sending device uses multiple data rates on different channels to reliably send data packets and receivers use NACKs to request retransmission of missing or mangled data from the sending device or other receiving devices on the network. The sending device using an active ALC mechanism and the receiving devices use NACK and transmitting mechanisms for transmitting acknowledgements or data from the device. The sending and receiving devices can be located in the same or in different networks for communicating data packets during a data transmission session.

    Abstract translation: 一种组合ALC和NORM的属性的设备,系统方法和计算机程序产品,用于在网络上的设备之间传送数据。 发送设备在不同信道上使用多个数据速率可靠地发送数据包和接收机使用NACK来请求从发送设备或网络上的其他接收设备重传丢失或丢失的数据。 使用主动ALC机制的发送装置和接收装置使用NACK和用于从设备发送确认或数据的发送机制。 发送和接收设备可以位于相同或不同的网络中,以在数据传输会话期间传送数据分组。

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