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    Scheduling apparatus and method in a multicarrier communication system
    2.
    发明授权
    Scheduling apparatus and method in a multicarrier communication system 有权
    多载波通信系统中的调度装置和方法

    公开(公告)号：US07602872B2

    公开(公告)日：2009-10-13

    申请号：US11112906

    申请日：2005-04-22

    申请人： Chang-Ho Suh ,  Seung-Hoon Park ,  Seok-Hyun Yoon ,  Sung-Kwon Hong ,  Young-Kwon Cho

    发明人： Chang-Ho Suh ,  Seung-Hoon Park ,  Seok-Hyun Yoon ,  Sung-Kwon Hong ,  Young-Kwon Cho

    IPC分类号： H04L7/00

    CPC分类号： H04L5/006 ,  H04L5/0007 ,  H04L5/0046 ,  H04L5/0071

    摘要： In multicarrier communication system using N subcarriers, in which a transmitter communicates with K receivers, the transmitter determines a channel quality information (CQI) feedback quantity indicative of the number of subcarriers for which CQIs will be fed back among the N subcarriers, for the K receivers, and transmits the CQI feedback quantity to the K receivers. Thereafter, upon receiving CQIs corresponding to the determined CQI feedback quantity, being fed back from the K receivers, the transmitter allocates subcarriers for which there are CQIs being fed back from at least one receiver among the K receivers among the N subcarriers, to any one receiver among the receivers that have fed back CQIs according to a first scheme, thereby guaranteeing the maximum throughput and the maximum fairness.

    摘要翻译： 在使用N个子载波的多载波通信系统中，发射机与K个接收机进行通信，发射机确定指示在N个子载波中CQI将被反馈的子载波数量的信道质量信息（CQI）反馈量，用于K 接收机，并将CQI反馈量发送给K个接收机。 此后，在从K个接收机反馈后，接收到与所确定的CQI反馈量对应的CQI，发送机将N个子载波中的K个接收机中的至少一个接收机的CQI反馈的副载波分配给任何一个 在根据第一方案反馈CQI的接收机中的接收机，从而保证最大吞吐量和最大公平性。

    Apparatus and method for transmitting/receiving pilot pattern set to distinguish base station in orthogonal frequency division multiplexing (OFDM) communication system
    8.
    发明申请
    Apparatus and method for transmitting/receiving pilot pattern set to distinguish base station in orthogonal frequency division multiplexing (OFDM) communication system 失效
    用于在正交频分复用（OFDM）通信系统中发送/接收导频模式集以区分基站的装置和方法

    公开(公告)号：US20050088960A1

    公开(公告)日：2005-04-28

    申请号：US10974413

    申请日：2004-10-27

    申请人： Chang-Ho Suh ,  Jung-Min Ro ,  Seok-Hyun Yoon ,  Young-Kwon Cho

    发明人： Chang-Ho Suh ,  Jung-Min Ro ,  Seok-Hyun Yoon ,  Young-Kwon Cho

    IPC分类号： H04J11/00 ,  H04B3/10

    CPC分类号： H04L5/026 ,  H04L27/261

    摘要： An apparatus and method for transmitting/receiving a pilot pattern set to distinguish a base station in an FDM communication system. The method divides a total frequency bandwidth into at least two sub-bandwidths including a plurality of sub-carriers in an OFDMA (Orthogonal Frequency Division Multiple Access) mobile communication system, configures a single frame cell (FC) using one sub-bandwidth from among the sub-bandwidths and a plurality of OFDM (Orthogonal Frequency Division Multiplexing) symbol intervals, and assigns a pilot signal to a time-frequency cell comprised of at least one OFDM symbol and at least one sub-carrier within the FC. The method includes the steps of spreading a pilot signal and a data signal using different orthogonal codes, synthesizing the spread pilot and data signals, and performing a CDM (Code Division Multiplexing) process; and mapping the CDM-processed pilot and data signals to a predetermined time-frequency cell in the FC.

    摘要翻译： 一种用于发送/接收导频模式集合以区分FDM通信系统中的基站的装置和方法。 该方法在OFDMA（正交频分多址）移动通信系统中将总频带宽划分成包括多个子载波的至少两个子带宽，使用一个子带宽从 子带宽和多个OFDM（正交频分复用）符号间隔，并且将导频信号分配给由FC内的至少一个OFDM符号和至少一个子载波组成的时间单元。 该方法包括以下步骤：使用不同的正交码扩展导频信号和数据信号，合成扩频导频和数据信号，并执行CDM（码分复用）处理; 以及将经CDM处理的导频和数据信号映射到FC中的预定时间频率小区。

    Apparatus and method for channel estimation in an orthogonal frequency division multiplexing cellular communication system using multiple transmit antennas
    9.
    发明授权
    Apparatus and method for channel estimation in an orthogonal frequency division multiplexing cellular communication system using multiple transmit antennas 有权
    在使用多个发射天线的正交频分复用蜂窝通信系统中的信道估计的装置和方法

    公开(公告)号：US07580490B2

    公开(公告)日：2009-08-25

    申请号：US11110037

    申请日：2005-04-20

    申请人： Chang-Ho Suh ,  Chan-Soo Hwang ,  Seok-Hyun Yoon ,  Young-Kwon Cho

    发明人： Chang-Ho Suh ,  Chan-Soo Hwang ,  Seok-Hyun Yoon ,  Young-Kwon Cho

    IPC分类号： H04B14/04

    CPC分类号： H04L25/0228 ,  H04B7/08 ,  H04L1/0618 ,  H04L25/0242 ,  H04L27/261 ,  H04L27/2626 ,  H04L27/2647

    摘要： An apparatus and method for channel estimation using preamble signals received from a serving Node B and neighboring Node Bs each having N (≧1) transmit antennas in a UE having M (≧1) receive antennas in a broadband wireless communication system. In the channel estimation apparatus, a Node B number decider calculates the maximum number NS of channel-estimatable Node Bs using a preamble length, the number of antennas in each of the Node Bs, and the number of multiple paths. A multi-cell preamble matrix generator generates a multi-cell preamble matrix xS by generating a Node B preamble matrix for each of the Node Bs and selecting NS Node B preamble matrices according to reception power among the Node B preamble matrices. A channel estimator performs a channel estimation using xS and signals received through the M antennas during a preamble receiving period.

    摘要翻译： 在宽带无线通信系统中，在具有M（> = 1）个接收天线的UE中，从服务节点B和每个具有N（> = 1）个发射天线的相邻节点B接收的前导码信号的信道估计的装置和方法。 在信道估计装置中，节点B号码判定器使用前置码长度，每个节点B中的天线数量和多个路径的数量来计算信道可估计节点B的最大数量NS。 多小区前导码矩阵生成器通过为每个节点B生成节点B前同步码矩阵并根据节点B前同步码矩阵中的接收功率选择NS节点B前同步码矩阵来生成多小区前导矩阵xS。 信道估计器在前导码接收周期期间使用xS和通过M个天线接收的信号来执行信道估计。