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    • 7. 发明申请
    • ITERATIVE INTERFERENCE CANCELLATION METHOD
    • 迭代干扰消除方法
    • WO2014139550A1
    • 2014-09-18
    • PCT/EP2013/054821
    • 2013-03-11
    • HUAWEI TECHNOLOGIES CO., LTD.HU, ShaWU, GengshiPRIYANTO, Basuki EndahRUSEK, FredrikKANT, ShashiCHEN, Jianjun
    • HU, ShaWU, GengshiPRIYANTO, Basuki EndahRUSEK, FredrikKANT, ShashiCHEN, Jianjun
    • H04J11/00
    • H04B7/005H04J11/004H04J11/0046H04J11/005H04L25/03305H04L25/03318H04W72/0406
    • The present invention relates to an iterative pilot symbol interference cancellation method in a receiver node of a cellular wireless communication system, said receiver node being arranged to receive one or more superimposed signals originating from at least one serving cell and one or more interfering cells, said method comprising the steps of: a) receiving a superimposed signal comprising pilot symbols and data symbols associated with a serving cell and pilot symbols associated with one or more interfering cells; b) extracting a first set from said superimposed signal, wherein said first set comprises a plurality of data symbols associated with said serving cell which are affected by an interference from said one or more interfering cells; c) estimating an interference of said first set; d) removing interference from said first set by means of the estimated interference; e) estimating said plurality of data symbols; f) subtracting the estimated plurality of data symbols from said first set; and g) repeating steps c) - f) i number of times, where i ≥ 1. Furthermore, the invention also relates to receiver node device, a computer program, and a computer program product thereof.
    • 本发明涉及一种在蜂窝无线通信系统的接收机节点中的迭代导频符号干扰消除方法,所述接收机节点被布置为接收源自至少一个服务小区和一个或多个干扰小区的一个或多个叠加信号, 方法包括以下步骤:a)接收包括导频符号和与服务小区相关联的数据符号和与一个或多个干扰小区相关联的导频符号的叠加信号; b)从所述叠加信号中提取第一集合,其中所述第一集合包括受所述一个或多个干扰小区的干扰影响的与所述服务小区相关联的多个数据符号; c)估计所述第一组的干扰; d)通过所估计的干扰消除来自所述第一组的干扰; e)估计所述多个数据符号; f)从所述第一组中减去估计的多个数据符号; 以及g)重复步骤c)-f)i次数,其中i≥1。此外,本发明还涉及接收机节点设备,计算机程序及其计算机程序产品。
    • 8. 发明申请
    • RECEIVER DEVICE AND METHOD THEREOF
    • 接收装置及其方法
    • WO2017012671A1
    • 2017-01-26
    • PCT/EP2015/066878
    • 2015-07-23
    • HUAWEI TECHNOLOGIES CO., LTD.CHEN, JianjunRUSEK, FredrikCHEN, Junshi
    • CHEN, JianjunRUSEK, FredrikCHEN, Junshi
    • H04L25/02H04J11/00H04B1/10H04L25/03
    • H04L25/021H04B1/109H04J11/005H04L25/0204H04L25/03006H04L25/03993H04L2025/03426
    • The present invention relates to a receiver device and a method thereof. The present method 200 comprises the major steps of: Receiving a communication signal CS; Identifying a plurality of interferers n = 1,..., Ν in the communication signal CS; At iteration i = 1 for interferer n = 1 obtain a covariance estimate for interferer n = 1 (See Fig.2B); At iteration i = 1 for interferers n = 2,..., N : obtain a covariance estimate for interferer n = 2,..., N (see Fig.2C); At iteration i = 2,..., I for the plurality of interferers n = 1,.,., Ν : obtain at least one covariance estimate for interferer n = 1,..., N at iteration i = 2,..., I (see Fig. 2D); Computing (212) the total covariance estimate Ryy for the communication signal CS based on the covariance estimates for the plurality of interferers n = 1,.,., Ν at iteration i = I > 1. Furthermore, the present invention also relates to a computer program, and a computer program product.
    • 本发明涉及一种接收机装置及其方法。 本方法200包括以下主要步骤:接收通信信号CS; 识别通信信号CS中的多个干扰信号n = 1,...,N; 迭代i = 1,对于干扰源n = 1,获得干扰源n = 1的协方差估计(见图2B); 迭代i = 1对于干扰源n = 2,...,N:获得干扰源n = 2,...,N的协方差估计(见图2C); 对于多个干扰源i = 2,...,I,迭代i = 2,获得干扰源n = 1,...,N的至少一个协方差估计。 ..,I(见图2D); 基于迭代i = 1> 1的多个干扰源n = 1,...,N的协方差估计,计算(212)通信信号CS的总协方差估计Ryy。此外,本发明还涉及 计算机程序和计算机程序产品。