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    • 36. 发明申请
    • INTERFERENCE ALIGNMENT METHOD AND DEVICE IN CELLULAR NETWORK
    • 蜂窝网络中的干扰对齐方法和装置
    • WO2012093904A3
    • 2012-09-27
    • PCT/KR2012000178
    • 2012-01-06
    • LG ELECTRONICS INCPOSTECH ACAD IND FOUNDKIM KIJUNKIM BYOUNGHOONCHO JOONHOYEO JEONGHOYOO YOUNGGEON
    • KIM KIJUNKIM BYOUNGHOONCHO JOONHOYEO JEONGHOYOO YOUNGGEON
    • H04B7/02H04B15/00
    • H04W24/02H04B7/024
    • According to one aspect of the present invention, the present invention provides a method for allowing a base station, which receives signals from one or more terminals, to align receiving signals and interference signals in a wireless access system. Said method comprises the steps of: receiving the receiving signals and the interference signals, wherein said receiving signals are signals which are received from terminals that belong to a serving cell of said base station, and said interference signals are signals which are received from terminals that belong to neighbor cells of said base station; dividing a signal space for receiving said receiving signals and said interference signals into one or more signal spaces of size N; and arranging K receiving signals of said receiving signals in each of said divided signal spaces, wherein said K receiving signals arranged in each of said divided signal spaces are orthogonal to each other.
    • 根据本发明的一个方面,本发明提供了一种用于允许接收来自一个或多个终端的信号的基站在无线接入系统中对准接收信号和干扰信号的方法。 所述方法包括以下步骤:接收接收信号和干扰信号,其中所述接收信号是从属于所述基站的服务小区的终端接收的信号,并且所述干扰信号是从终端接收的信号, 属于所述基站的相邻小区; 将用于接收所述接收信号和所述干扰信号的信号空间划分为大小为N的一个或多个信号空间; 并且在每个所述分割信号空间中排列所述接收信号的K个接收信号,其中排列在每个所述分割信号空间中的所述K个接收信号彼此正交。
    • 38. 发明申请
    • METHOD OF MODULATING SIGNAL FOR DATA COMMUNICATION AND DEVICE THEREOF
    • 用于数据通信的信号调制方法及其装置
    • WO2012093899A3
    • 2012-09-27
    • PCT/KR2012000172
    • 2012-01-06
    • LG ELECTRONICS INCPOSTECH ACAD IND FOUNDKIM KIJUNKIM BYOUNGHOONCHO JOONHOYUN YEOHUNHAN BYUNGWOOK
    • KIM KIJUNKIM BYOUNGHOONCHO JOONHOYUN YEOHUNHAN BYUNGWOOK
    • H04L27/26
    • H04L27/20H04L27/2636
    • The present invention relates to a method for modulating a signal, which is a signal modulation method for data communication, and the method comprises the steps of: forming a data symbol sequence to which a symbol 0 having the overall length of N are added, by adding M-1 symbols 0 to each symbol of a data symbol sequence; performing an N-point fast Fourier transform for the data symbol sequence to which said symbols 0 are added; performing precoding for said fast-Fourier-transformed data symbol sequence; and forming a final transmission symbol sequence by performing an inverse fast Fourier transform for said precoded data symbol sequence. Further, the present invention relates to a transmitter which comprises: a symbol adding unit that forms a data symbol sequence to which the symbol 0 having the overall length of N is added, by adding M-1 symbols 0 to each symbol of a data symbol sequence; a fast Fourier transform unit that performs an N-point fast Fourier transform for the data symbol sequence to which said symbols 0 are added; a precoding unit that performs precoding for said fast-Fourier-transformed data symbol sequence; and an inverse fast Fourier transform unit that forms a final transmission symbol sequence by performing an inverse fast Fourier transform for said precoded data symbol sequence.
    • 本发明涉及一种用于调制信号的方法,该信号是用于数据通信的信号调制方法,并且该方法包括以下步骤:形成一个数据符号序列,其中添加了总长度为N的符号0,通过 向数据符号序列的每个符号添加M-1符号0; 对于添加了所述符号0的数据符号序列执行N点快速傅里叶变换; 执行所述快速傅立叶变换数据符号序列的预编码; 以及通过对所述预编码数据符号序列执行快速傅立叶逆变换形成最终传输符号序列。 另外,本发明涉及一种发送机,其特征在于,具有:通过向数据符号的每个符号加上M-1个符号0,形成数据符号序列的符号加法部, 序列; 快速傅立叶变换单元,对于添加了所述符号0的数据符号序列执行N点快速傅里叶变换; 对所述快速傅里叶变换的数据符号序列执行预编码的预编码单元; 以及逆快速傅立叶变换单元,其通过对所述预编码数据符号序列执行快速傅立叶逆变换形成最终传输符号序列。
    • 40. 发明申请
    • HANDOVER IN WHITE SPACE BAND
    • HANDOVER在白色空间带
    • WO2012021027A3
    • 2012-05-24
    • PCT/KR2011005951
    • 2011-08-12
    • LG ELECTRONICS INCKIM EUNSUNSEOK YONGHOKIM BYOUNGHOON
    • KIM EUNSUNSEOK YONGHOKIM BYOUNGHOON
    • H04W36/08H04W16/14H04W84/12H04W88/02
    • H04W36/08H04W8/26H04W84/12
    • The present invention relates to a method and a device for performing a handover in a wireless local area network (WLAN) system that operates in a white space band. A station (hereinafter referred to as an "STA") performs a handover in a white space band wireless communication system, wherein: the STA forms a connection with a first access point (AP); a particular STA for storing identification information (hereinafter referred to as "first active STA identification information") of an active STA that manages the activation of the STA serviced by said first AP accesses a region serviced by a second AP, and receives from said second AP a message for containing identification information (hereinafter referred to as "second active STA identification information") of the active STA that manages the activation of the STA serviced by said second AP; said first active STA identification information is compared with said second active STA identification information; and if said first active STA identification information is different from said second active STA identification information, a procedure for changing the active STA and a handover to said second AP are performed to the active STA (hereinafter referred to as a "second active STA") corresponding to said second active STA identification information.
    • 本发明涉及一种用于在空白频带中操作的无线局域网(WLAN)系统中执行切换的方法和设备。 一个站(以下称为“STA”)在白色空间频带无线通信系统中执行切换,其中:STA与第一接入点(AP)形成连接; 用于存储管理由所述第一AP服务的STA的激活的活动STA的标识信息(在下文中被称为“第一活动STA标识信息”)的特定STA访问由第二AP服务的区域,并且从所述第二AP AP用于包含管理由所述第二AP服务的STA的激活的活动STA的标识信息(在下文中称为“第二活动STA标识信息”)的消息; 将所述第一活动STA标识信息与所述第二活动STA标识信息进行比较; 并且如果所述第一活动STA标识信息不同于所述第二活动STA标识信息,则向活动STA(在下文中称为“第二活动STA”)执行用于改变活动STA和到所述第二AP的移交的过程 对应于所述第二活动STA标识信息。