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    • 1. 发明申请
    • Method for adapting data rates
    • 适应数据速率的方法
    • US20040208146A1
    • 2004-10-21
    • US10747024
    • 2003-12-23
    • Siemens Aktiengesellschaft, a German Corporation
    • Anja KleinReinhard KoehnJoern KrauseVolker SommerThomas Ulrich
    • H04B007/216
    • H04L1/0067H04B7/2646H04B2201/70703H04L1/0002H04L1/0017H04W28/22H04W84/04
    • According to the invention, a service-specific static rate adaptation factor that controls a service-specific quality of service is determined in a manner already known per se. A dynamic rate-oriented rate adaptation factor is determined for a link, whereby said factor adapts the hypothetical volume of data to a volume of data that is available in the next frame while taking into account the adaptation of the service-specific data rate that is yet to be performed. It is possible to pass through several optimization loops if said data volume is not rigidly predetermined as a result of a sufficient number of transmission channels and spread factors. A service-specific rate adaptation factor is determined by combining the static rate adaptation factor and the dynamic link-related rate adaptation factor, whereupon one single and therefore one-step adaptation of the data rate is carried out. Service data is thus compressed or expanded only once with said-specific rate adaptation factors and inputted into a frame for transmission. The method is suitable for CDMA transmission methods within a UMTS.
    • 根据本发明,以本身已知的方式确定控制服务特定服务质量的服务专用静态速率适配因子。 为链路确定动态的面向速率的速率适配因子,由此所述因子将假设的数据量适配成在下一帧中可用的数据量,同时考虑到服务特定数据速率的适配 尚未执行。 如果所述数据量由于足够数量的传输通道和扩展因子而不被严格地预定,则可以通过几个优化循环。 通过组合静态速率适配因子和动态链路相关速率自适应因子来确定服务特定速率适配因子,由此执行数据速率的单个并因此一步适应。 因此,服务数据因所述特定速率适配因子被压缩或扩展一次,并被输入到用于传输的帧中。 该方法适用于UMTS内的CDMA传输方式。