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    ICI cancellation method for an OFDM system
    13.
    发明申请
    ICI cancellation method for an OFDM system 有权
    OFDM系统的ICI消除方法

    公开(公告)号：US20050147176A1

    公开(公告)日：2005-07-07

    申请号：US10973372

    申请日：2004-10-26

    申请人： Jae-Yeun Yun ,  Yong-Hoon Lee ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Ho-Jin Kim ,  Chan-Soo Hwang ,  Seung-Hoon Nam

    发明人： Jae-Yeun Yun ,  Yong-Hoon Lee ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Ho-Jin Kim ,  Chan-Soo Hwang ,  Seung-Hoon Nam

    IPC分类号： H04K1/10 ,  H04L25/02 ,  H04L27/26

    CPC分类号： H04L27/2647 ,  H04L25/0228

    摘要： In the ICI cancellation method for OFDM communication system, a receiver performs channel estimation using pilot subcarriers included in transmission signals transmitted from at least one transmitter. The transmitter generates the transmission signal in which pilot subcarriers and data subcarriers are regularly arranged, performs preceding on the transmission signal, modulates the pre-coded transmission signal into an OFDM symbol, and transmits the OFDM symbol. The receiver receives the OFDM symbol; demodulates the OFDM symbol, detects the pilot subcarriers from a demodulated signal, estimates channels using the pilot subcarriers, and restores the transmission signal using the estimated channels.

    摘要翻译： 在OFDM通信系统的ICI取消方法中，接收机使用从至少一个发射机发送的发送信号中包含的导频子载波来执行信道估计。 发射机产生导频子载波和数据子载波规则排列的传输信号，在传输信号之前执行，将预编码的传输信号调制为OFDM符号，并发送OFDM符号。 接收机接收OFDM符号; 解调OFDM符号，从解调信号中检测导频子载波，使用导频子载波估计信道，并使用所估计的信道来恢复发送信号。

    Method for adaptively allocating frequency resource in communication system using orthogonal frequency division multiple access scheme
    15.
    发明申请
    Method for adaptively allocating frequency resource in communication system using orthogonal frequency division multiple access scheme 审中-公开
    使用正交频分多址方案在通信系统中自适应分配频率资源的方法

    公开(公告)号：US20060140217A1

    公开(公告)日：2006-06-29

    申请号：US11291066

    申请日：2005-11-30

    申请人： Young-Ho Jung ,  Jae-Hak Chung ,  Woo-Seok Nam ,  Jae-Yeun Yun ,  Yong-Hoon Lee

    发明人： Young-Ho Jung ,  Jae-Hak Chung ,  Woo-Seok Nam ,  Jae-Yeun Yun ,  Yong-Hoon Lee

    IPC分类号： H04J3/22

    CPC分类号： H04L27/2601 ,  H04W16/30 ,  H04W72/00 ,  H04W72/048

    摘要： Disclosed is a method for adaptively allocating frequency resources in a communication system using an orthogonal frequency division multiple access scheme. The method for allocating frequency resources in the communication system that includes a plurality of cells using an identical frequency band includes the steps of dividing a frequency band used in the communication system into sub-frequency bands corresponding to a number of cells, and allocating one of the sub-frequency bands to each of mobile subscriber stations exiting in the cells according to positions of the mobile subscriber stations, thereby increasing the degree of the freedom for frequency resource allocation and minimizing ICI.

    摘要翻译： 公开了一种使用正交频分多址方案在通信系统中自适应地分配频率资源的方法。 在包括使用相同频带的多个小区的通信系统中分配频率资源的方法包括以下步骤：将在通信系统中使用的频带划分为与多个小区相对应的子频带，并且分配 根据移动用户站的位置将小区中的每个移动用户台的子频带，从而增加频率资源分配的自由度并使ICI最小化。