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    • 2. 发明申请
    • METHODS AND DEVICES FOR ALLOCATING SCRAMBLING CODES
    • 用于分配SCRAMBLING代码的方法和设备
    • WO2011059379A3
    • 2011-07-28
    • PCT/SE2010051193
    • 2010-11-03
    • ERICSSON TELEFON AB L MDRUGGE OSKARKAZMI MUHAMMADREIAL ANDRESCAIRNS DOUGLAS A
    • DRUGGE OSKARKAZMI MUHAMMADREIAL ANDRESCAIRNS DOUGLAS A
    • H04B1/707H04J11/00
    • H04J11/005H04B1/70735H04B1/7083H04J11/0073H04J11/0076H04J11/0079H04L5/0023H04L5/0037H04L5/0048H04L25/0226H04L25/03866H04L27/2655
    • Methods and devices are provided whereby scrambling codes can be set in an improved way. In accordance with one embodiment a method is provided in a User Equipment for generating a second scrambling code or a second scrambling code group. The UE is configured for multi carrier operation receiving downlink transmission from a Universal Mobile Telecommunications System Terrestrial Radio Access Network on a set of at least two downlink carriers including an anchor carrier and at least a first secondary carrier. The method comprises determining a first scrambling code or a first scrambling code group associated with a first cell on the anchor carrier; and deriving a second scrambling code or a second scrambling code group associated with a second cell on said first secondary carrier using a predefined rule defining the relation between the second scrambling code or second scrambling code group and the first scrambling code or scrambling code group. Hereby interference suppression / cancellation processing is enabled in a receiver of a UE on secondary cells in multi-carrier scenarios that do not transmit the SCH, while minimizing the need for overhead in terms of signaling of the scrambling codes for neighbouring cells in a UTRAN system. Methods and devices for E-UTRAN are also described.
    • 提供了可以以改进的方式设置扰码的方法和装置。 根据一个实施例,在用于生成第二扰码或第二扰码组的用户设备中提供了一种方法。 UE被配置用于多载波操作,从包括锚定载波和至少第一辅助载波的至少两个下行链路载波的集合中接收来自通用移动电信系统地面无线电接入网络的下行链路传输。 该方法包括确定与锚定载波上的第一小区相关联的第一扰码或第一加扰码组; 以及使用定义第二加扰码或第二加扰码组与第一扰码或扰频码组之间的关系的预定义规则,导出与所述第一辅助载波上的第二小区相关联的第二扰码或第二扰码组。 因此,在不发送SCH的多载波场景中的辅助小区上的UE的接收机中实现干扰抑制/消除处理,同时最小化对UTRAN系统中的相邻小区的扰码的信令的开销的需要 。 还描述了用于E-UTRAN的方法和设备。