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    • 72. 发明授权
    • Method of controlling base stations to suppress inter-cell interference
    • 控制基站抑制小区间干扰的方法
    • US07912476B2
    • 2011-03-22
    • US11720838
    • 2005-12-05
    • Jae Kyun KwonHee Soo LeeJae Young Ahn
    • Jae Kyun KwonHee Soo LeeJae Young Ahn
    • H04W72/08H04W52/38
    • H04J13/00H04B1/7103H04B2201/70702
    • A method of controlling base stations that is capable of suppressing inter-cell interference and efficiently utilizing available resources. According to one aspect, information received on path loss from a terminal is used to determine a time region for the terminal based on the path loss information. Communication with the terminal is performed within the determined time region. According to another aspect, information received on path loss from a terminal is used to determine a frequency region for the terminal based on the path loss information. Communication with the terminal is performed within the determined frequency region. According to yet another aspect, information received on path loss from a terminal is used to determine a code region for the terminal based on the path loss information. Communication with the terminal is performed within the determined code region.
    • 一种控制能够抑制小区间干扰并有效利用可用资源的基站的方法。 根据一个方面,使用从终端接收到的路径损耗的信息,基于路径损耗信息来确定终端的时间区域。 在确定的时间区域内执行与终端的通信。 根据另一方面,使用从终端接收到的路径损耗的信息,用于基于路径损耗信息确定终端的频率区域。 在确定的频率区域内执行与终端的通信。 根据另一方面,使用从终端接收到的路径损耗的信息,用于基于路径损耗信息来确定终端的代码区域。 在确定的代码区域内执行与终端的通信。
    • 73. 发明申请
    • TRANSMITTER, RECEIVER AND METHOD FOR CONTROLLING MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM
    • 用于控制多输入多输出系统的发射器,接收器和方法
    • US20090252247A1
    • 2009-10-08
    • US11721161
    • 2005-12-07
    • Heesoo LeeHyo Jin LeeJae Young Ahn
    • Heesoo LeeHyo Jin LeeJae Young Ahn
    • H04B7/02
    • H04W52/42H04B7/0417H04B7/0626
    • Provided is a method of controlling a multiple input multiple output (MIMO) system. One embodiment of the method includes the steps of: estimating, at a receiver, a MIMO channel and detecting data streams using a successive interference cancellation scheme; calculating, at the receiver, S and P using the estimated channel and then feeding back information corresponding to (P1, P2, . . . , PM-1, SINR5M) to a transmitter, and determining, at the transmitter, a transfer rate and transmission power perstream using the fed-back information. Another embodiment of the method includes the steps of: estimating, at a receiver, a MIMO channel and detecting data streams using a signal received from an antenna; extracting, at the receiver, a feedback parameter to be fed back to the transmitter using the estimated channel, and feeding back the feedback parameter to the transmitter, and determining, at the transmitter, a stream to be allocated to the receiver from among the streams of the transmitter using the fed-back parameter and a data transfer rate per stream, wherein the feedback parameter is information corresponding to a successive interference cancellation order and a signal-to-interference-plus-noise ratio (SINR) per stream reflecting successive interference cancellation.
    • 提供了一种控制多输入多输出(MIMO)系统的方法。 该方法的一个实施例包括以下步骤:在接收机处估计MIMO信道并使用连续干扰消除方案来检测数据流; 在接收机处使用估计的信道计算S和P,然后将对应于(P1,P2,...,PM-1,SINR5M)的信息反馈给发射机,并且在发射机处确定传输速率和 使用反馈信息的每个流的传输功率。 该方法的另一实施例包括以下步骤:在接收机处估计MIMO信道并使用从天线接收的信号来检测数据流; 在接收机处,使用所估计的信道在反馈参数中提取要反馈到发射机的反馈参数,以及将所述反馈参数反馈到所述发射机,以及在所述发射机处,从所述流中确定要分配给所述接收机的流 使用反馈参数和每个流的数据传输速率,其中反馈参数是对应于连续干扰消除次序的信息和每个反映连续干扰的流的信噪比加噪声比(SINR) 消除。
    • 79. 发明授权
    • Method for controlling interference in an overlaid network environment
    • 用于控制覆盖网络环境中的干扰的方法
    • US09320043B2
    • 2016-04-19
    • US13884236
    • 2011-11-08
    • Hee Soo LeeJae Young Ahn
    • Hee Soo LeeJae Young Ahn
    • H04W4/00H04W72/08H04J11/00H04W48/10H04W84/04H04L5/00
    • H04W72/082H04J11/005H04J2211/001H04L5/0007H04L5/0044H04L5/0073H04L5/0096H04W48/10H04W84/045
    • Disclosed is a method for controlling interference in a heterogeneous network environment. The method for controlling the inter-cell interference of a base station according to one aspect of the present invention comprises the following steps: transmitting, to a terminal, information relating to subframes in which a portion of a resource is to be punctured; transmitting, to the terminal, a relevant subframe in which a portion of a resource is punctured on the basis of the information relating to said subframes. A method for controlling the inter-cell interference of a base station according to another aspect of the present invention comprises the following steps: setting a resource for transmitting system information; and transmitting system information using only said resource for transmitting system information, or preferentially using said resource for transmitting system information when transmitting system information using a subframe designated as an almost blank subframe (ABS). Accordingly, inter-cell interference problems may be alleviated even in the event pieces of important system information, such as CRS, should be transmitted using an ABS.
    • 公开了一种用于控制异构网络环境中的干扰的方法。 根据本发明的一个方面的用于控制基站的小区间干扰的方法包括以下步骤:向终端发送与资源的一部分要被穿孔的子帧有关的信息; 基于与所述子帧有关的信息,向终端发送资源的一部分被删截的相关子帧。 根据本发明的另一方面的用于控制基站的小区间干扰的方法包括以下步骤:设置用于发送系统信息的资源; 以及使用仅用于发送系统信息的所述资源发送系统信息,或者在使用被指定为几乎空白的子帧(ABS))的子帧发送系统信息时优先使用所述资源发送系统信息。 因此,即使在使用ABS传送诸如CRS的重要系统信息的情况下,也可以减轻小区间干扰问题。