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    • 7. 发明申请
    • SELECTING AN OPERATIONAL MODE OF A CODEC
    • 选择编解码器的运行模式
    • WO2003019961A1
    • 2003-03-06
    • PCT/FI2002/000697
    • 2002-08-27
    • NOKIA CORPORATIONKALLIOKULJU, JuhaCURCIO, Igor
    • KALLIOKULJU, JuhaCURCIO, Igor
    • H04Q7/30
    • H04L65/80H04L29/06027H04L69/18H04W88/181
    • The present invention describes a method for selecting a preferable codec mode for a connection between a first communication device (UE1) and a second communication device (UE2), where the devices communicate via a network. An element in the network observes a quality of said connection. The quality is based on a data error level of network resource. Based on the observation the network element judges a preferable operational mode of the codec, from a group of operational modes of the codec. The preferable codec mode is based on the quality level of the connection. In the preferred embodiment, if a Radio Network Controller (RNC) observes congestion by observing Real-Time Protocol (RTP) header information, the RNC judges a lower codec mode for the connection. The lower mode for the connection is judged if there is at least one gap in a sequence of detected packets.
    • 本发明描述了一种用于选择第一通信设备(UE1)和第二通信设备(UE2)之间的连接的优选编解码器模式的方法,其中设备经由网络进行通信。 网络中的元素观察到所述连接的质量。 质量基于网络资源的数据错误级别。 基于观察,网络元件从编解码器的一组操作模式判断编解码器的优选操作模式。 优选的编解码器模式基于连接的质量水平。 在优选实施例中,如果无线网络控制器(RNC)通过观察实时协议(RTP)报头信息来观察拥塞,则RNC为连接判断较低的编解码方式。 判断连接的较低模式是否在检测到的分组的序列中存在至少一个间隙。
    • 8. 发明申请
    • TRANSMISSION OF COMPRESSION IDENTIFIER OF HEADERS ON DATA PACKET CONNECTION
    • 传输数据包连接上的头部压缩识别器
    • WO2003003668A1
    • 2003-01-09
    • PCT/FI2002/000563
    • 2002-06-26
    • NOKIA CORPORATIONTOURUNEN, AriKALLIOKULJU, Juha
    • TOURUNEN, AriKALLIOKULJU, Juha
    • H04L12/56
    • H04L69/04H04L69/16H04L69/161H04L69/32
    • A method of transmitting a context identifier of header compression on a data packet connection in a telecommunications system, in which the context identifier can be transmitted either as part of a compressed data packet or in the header of a data packet to be transmitted at the convergence protocol layer of the telecommunications system. The transmission method of the context identifier is selected by comparing the space available in the header of the convergence protocol layer data packets with the number of context identifiers defined for the compression method, and attaching the context identifiers to the headers of the convergence protocol layer data packets or to a compressed data packet, depending on whether the space available in the header of the convergence protocol layer data packets is larger or smaller than the number of context identifiers defined for the compression method.
    • 在电信系统中的数据分组连接上发送报头压缩的上下文标识符的方法,其中所述上下文标识符可以作为压缩数据分组的一部分或在所述收敛发送的数据分组的报头中被发送 电信系统的协议层。 通过将收敛协议层数据分组的报头中的可用空间与为压缩方法定义的上下文标识符的数量进行比较,并将上下文标识符附加到汇聚协议层数据的报头来选择上下文标识符的传输方法 分组或压缩数据分组,这取决于汇聚协议层数据分组的报头中的可用空间是否大于或小于为压缩方法定义的上下文标识符的数量。