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    • 10. 发明授权
    • Methods and arrangements in a wireless communications system
    • 无线通信系统中的方法和布置
    • US08441938B2
    • 2013-05-14
    • US12933594
    • 2008-12-10
    • Markus RingströmDirk GerstenbergerJohan Bergman
    • Markus RingströmDirk GerstenbergerJohan Bergman
    • H04L12/00H04J9/00
    • H04L1/1812H04L1/0001H04L1/1867H04W52/48
    • The present invention relates to methods and arrangements for uplink retransmissions from a user equipment to a radio base station in a UTRAN with enhanced uplink. The UE transmits a subframe comprising physical control channel(s) and physical data channel(s) in an initial transmission. According to the present invention, one or more of the physical control channels are transmitted with a lower transmission power level in all or some of the retransmitted subframes in the uplink. This results in reduced control overhead (a smaller part of the transmission power resource is used for control signaling) and thus reduced interference from the overhead. At the same time, the transmission power resource no longer used for the physical control channel information, can be used to increase the transmission power level of the physical data channel information in these retransmitted subframes, which improves the uplink coverage.
    • 本发明涉及从用户设备到具有增强上行链路的UTRAN中的无线电基站的上行链路重传的方法和装置。 UE在初始传输中发送包括物理控制信道和物理数据信道的子帧。 根据本发明,一个或多个物理控制信道在上行链路中的全部或部分重发子帧中以较低的发射功率电平发送。 这导致降低的控制开销(传输功率资源的较小部分用于控制信令),从而减少了开销的干扰。 同时,不再用于物理控制信道信息的发送功率资源可以用于增加这些重发子帧中的物理数据信道信息的发送功率电平,从而改善上行链路覆盖。