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    • 54. 发明授权
    • Method and apparatus for providing uplink packet data service in asynchronous WCDMA system
    • 在异步WCDMA系统中提供上行分组数据业务的方法和装置
    • US07773567B2
    • 2010-08-10
    • US12366317
    • 2009-02-05
    • Youn-Hyoung HeoJu Ho LeeSung-Ho ChoiYoung-Bum KimYong-Jun Kwak
    • Youn-Hyoung HeoJu Ho LeeSung-Ho ChoiYoung-Bum KimYong-Jun Kwak
    • H04B1/00H04B7/216H04W4/00
    • H04L1/0068H04J13/18H04L1/0006H04L1/0025H04L1/0029H04L1/0041H04L1/0072H04L1/1812H04W28/06H04W28/18
    • Disclosed is a method and apparatus for providing uplink packet data services through an E-DCH in an asynchronous WCDMA system. A transport block size (TBS) for transmitting uplink transport channel data is determined. A combination of a spreading factor and a modulation scheme for uplink channel data transmission, corresponding to the determined TBS, is selected according to transmittable physical channel data bit sizes and puncturing limit values. The TBS is transmitted by incorporating it into control information of the uplink transport channel data. The modulation scheme and spreading factor combination is determined based on a physical channel data bit size that maximizes transmission efficiency and minimizes the number of punctured bits, without requiring an additional physical channel in transmitting the uplink data having the TBS. This method maximizes uplink transmission efficiency to save transmission resources and reduces signaling overhead required to transmit E-DCH control information.
    • 公开了一种通过异步WCDMA系统中的E-DCH提供上行分组数据业务的方法和装置。 确定用于发送上行传输信道数据的传输块大小(TBS)。 根据可发送的物理信道数据比特大小和删截限制值,选择对应于所确定的TBS的用于上行链路信道数据传输的扩频因子和调制方案的组合。 TBS通过将其并入上行链路传输信道数据的控制信息来发送。 基于最大化传输效率并最小化穿孔比特数的物理信道数据比特大小来确定调制方案和扩频因子组合,而不需要额外的物理信道来传输具有TBS的上行链路数据。 该方法可最大限度地提高上行传输效率,节约传输资源,降低发送E-DCH控制信息所需的信令开销。