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    • 22. 发明申请
    • METHOD, DEVICES AND CHIP BLOCK FOR DS-CDMA
    • 用于DS-CDMA的方法,装置和芯片块
    • WO2014003622A1
    • 2014-01-03
    • PCT/SE2012/050751
    • 2012-06-29
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)JOHANSSON, Niklas
    • JOHANSSON, Niklas
    • H04B1/711
    • H04B1/7097H04B2201/709709
    • The present invention relates to a method of producing a chip block for wireless transmission in a Direct Sequence Code Division Multiple Access (DS-CDMA) communication system. The method comprises spreading a symbol over at least one chip block (17). The method also comprises segmenting the chip block to form a first sub-block (a 0 ) of the chip block. The method also comprises segmenting the chip block to form a second sub-block (a 15 ) of the chip block. The method also comprises arranging a first sub-sequence (18) of chips furthest to a first end of the chip block in the first sub-block. The first sub-sequence is identical to a second sub-sequence (19) furthest to a second end of the chip block in the second sub-block. The method also comprises modifying at least one chip contained in the first sub-block and not being part of the first sub-sequence. The modifying is dependent on said first sub-sequence such that the symbol can be at least partially despread from the chip block.
    • 本发明涉及在直接序列码分多址(DS-CDMA)通信系统中制造无线传输芯片块的方法。 该方法包括在至少一个芯片块(17)上扩展符号。 该方法还包括对芯片块进行分段以形成芯片块的第一子块(a0)。 该方法还包括对芯片块进行分段以形成芯片块的第二子块(a15)。 该方法还包括在第一子块中布置最靠近芯片块的第一端的芯片的第一子序列(18)。 第一子序列与在第二子块中最靠近芯片块的第二端的第二子序列(19)相同。 该方法还包括修改包含在第一子块中并且不是第一子序列的一部分的至少一个码片。 修改依赖于所述第一子序列,使得符号可以至少部分地从芯片块解扩展。
    • 27. 发明申请
    • PROCESSING NODES AND METHODS OF ESTIMATING INTERFERENCE IN A RADIO TELECOMMUNICATION NETWORK
    • 无线电通信网络中处理噪声和估计干扰的方法
    • WO2011056106A1
    • 2011-05-12
    • PCT/SE2009/051265
    • 2009-11-06
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)JOHANSSON, NiklasGUNNARSSON, Fredrik
    • JOHANSSON, NiklasGUNNARSSON, Fredrik
    • H04B1/707H04B17/00
    • H04B1/71052H04J11/0046
    • A processing node (10) for a radio telecommunications network (1) comprising an input (11) for radio signals, a receiver (12) arranged to detect radio signals received at the input (11) and a code-detecting circuit (14) coupled to the receiver (12) arranged to determine the presence of any of a first set of codes, typically preamble codes such as those employed in the UMTS system, in the received signal, in which the processing node (10) further comprises an interference-determining circuit (20) coupled to the receiver (12), arranged to perform a comparison of the received signals with a second set of codes that are orthogonal to the first set of codes. This can enable a determination of the impairment covariance in the received signals to be determined, and hence be used to suppress or whiten noise and interference.
    • 一种用于无线电电信网络(1)的处理节点(10),包括用于无线电信号的输入端(11),被配置为检测在输入端(11)接收的无线电信号的接收机(12)和代码检测电路(14) 耦合到所述接收机(12),所述接收机(12)被布置为确定所述接收信号中存在所述接收信号中的第一组代码(通常是UMTS系统中采用的前导码)中的任何一个,其中所述处理节点(10)还包括干扰 - 确定电路(20),被配置为执行所接收的信号与与所述第一组代码正交的第二组代码的比较。 这可以确定要确定的接收信号中的损伤协方差,并因此用于抑制或增白噪声和干扰。
    • 30. 发明申请
    • DATA FORWARDING DURING HANDOVER IN A SELF-BACKHAULED CELL
    • 在自我回复的细胞中切换过程中的数据转发
    • WO2009139679A1
    • 2009-11-19
    • PCT/SE2008/051005
    • 2008-09-09
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)JOHANSSON, NiklasMILDH, GunnarRÁSZ, András
    • JOHANSSON, NiklasMILDH, GunnarRÁSZ, András
    • H04W36/02
    • H04W36/02H04W16/26H04W84/047
    • A method is implemented in an anchor eNodeB of a network, where the anchor eNodeB communicates with a self-backhauled eNodeB via a radio interface and where the network further includes another eNodeB. The method includes determining whether a user equipment (UE) is being handed off from the first self-backhauled eNodeB to the other eNodeB. The determining is based on: receiving (820) a message from the self-backhauled eNodeB via the radio interface instructing the anchor eNodeB to stop delivering packets that are destined for the UE. or sniffing (1 105. 1 1 10, 1 1 15) into one or more messages sent from the self-backhauled eNodeB to the other eNodeB to identify that the UE is being handed off from the self- backhauled eNodeB to the other eNodeB. The method further includes storing (1 120). based on the determination of whether the UE is being handed off, received packets intended for the UE: and forwarding (1 120) the stored packets to the other eNodeB via a transport network for delivery to the UE.
    • 在网络的锚点eNodeB中实现一种方法,其中锚点eNodeB经由无线电接口与自回程eNodeB进行通信,并且其中网络还包括另一个eNodeB。 该方法包括确定用户设备(UE)是否正从第一自回程eNodeB切换到另一个eNodeB。 该确定基于:经由无线接口从自回程eNodeB接收(820)消息,指示锚eNodeB停止递送目的地为UE的分组。 或将从自回程eNodeB发送到另一个eNodeB的一个或多个消息中进行嗅探,以识别UE正在从自回程的eNodeB切换到另一个eNodeB。 该方法还包括存储(114)。 基于确定UE是否被切换,接收到针对UE的分组;并且经由传输网络将存储的分组转发(120)到另一eNodeB,以传送给UE。