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    • 10. 发明申请
    • HSDPA system with reduced inter-user interference
    • HSDPA系统减少了用户间干扰
    • US20060268919A1
    • 2006-11-30
    • US11376604
    • 2006-03-14
    • Durga MalladiPeter GaalYongbin Wei
    • Durga MalladiPeter GaalYongbin Wei
    • H04J3/26
    • H04L1/0029H04L1/0003H04L1/0025
    • In a wireless network (100) with HSDPA-enabled user equipment devices (130), the base transceiver station (120) transmits to each HSDPA-enabled UE information regarding allocation of HSDPA codes and associated modulation techniques for other HSDPA-enabled UEs. Using this additional control information, each UE configures decision feedback filter of its equalizer to reduce inter-user interference. The additional control information may be transmitted in a packet (300) that includes a CRC portion (310) with the packet's CRC masked by a common ID, which is known to the HSDPA-enabled UEs. To reduce the number of bits needed to transmit the additional control information, the HSDPA codes used with a particular modulation technique are allocated consecutively. For each modulation technique, only the beginning code and the total number of codes need be known to the UEs. The number of codes used with each modulation technique may be allowed to change once in several TTIs.
    • 在具有支持HSDPA的用户设备(130)的无线网络(100)中,基站收发器(120)向每个支持HSDPA的UE发送关于其他支持HSDPA的UE的HSDPA代码分配和相关调制技术的信息。 使用该附加控制信息,每个UE配置其均衡器的判决反馈滤波器以减少用户间干扰。 附加控制信息可以在包括CRC部分(310)的分组(300)中发送,其中分组的CRC被公共ID掩蔽,这是启用HSDPA的UE已知的。 为了减少发送附加控制信息所需的位数,连续分配与特定调制技术一起使用的HSDPA码。 对于每个调制技术,只有起始码和代码总数需要为UE所知。 可以允许每个调制技术使用的代码数量在几个TTI中改变一次。