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703 条记录 (耗时 0.058 秒)

    Method for transmitting and receiving additional control signals
    51.
    发明授权
    Method for transmitting and receiving additional control signals 有权
    发送和接收附加控制信号的方法

    公开(公告)号：US08295787B2

    公开(公告)日：2012-10-23

    申请号：US12450105

    申请日：2008-03-11

    申请人： Jin Sam Kwak ,  Seung Hee Han ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Hyun Woo Lee ,  Dong Cheol Kim

    发明人： Jin Sam Kwak ,  Seung Hee Han ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Hyun Woo Lee ,  Dong Cheol Kim

    IPC分类号： H04B1/04

    CPC分类号： H04L5/0016 ,  H04L5/0053 ,  H04L5/04 ,  H04L5/06 ,  H04L5/12 ,  H04L27/3483

    摘要： A method for transmitting/receiving an additional control signal without any loss of bandwidth and power in an original Tx signal is disclosed. If the additional control signal is transmitted via the Tx signal composed of at least one of data and control signals, at least one of the amplitude and phase of the Tx signal of the time- and frequency-resource domain is modulated according to the additional control signal to be transmitted. The modulated Tx signal is transmitted to the receiver, so that the additional control signal can be transmitted irrespective of the original Tx signal. According to a modulation status of at least one of an amplitude and a phase of the Rx signal contained in the time- and frequency-resource domain, the additional control signal can be acquired.

    摘要翻译： 公开了一种在原始Tx信号中发送/接收附加控制信号而不损失带宽和功率的方法。 如果通过由数据和控制信号中的至少一个组成的Tx信号来传输附加控制信号，则根据附加控制调制时域和频率资源域的Tx信号的幅度和相位中的至少一个 要发送的信号。 调制的Tx信号被发送到接收机，使得附加控制信号可以被发送而不管原始Tx信号。 根据包含在时间和频率资源域中的Rx信号的幅度和相位中的至少一个的调制状态，可以获取附加控制信号。

    Method for adjusting RACH transmission against frequency offset
    53.
    发明授权
    Method for adjusting RACH transmission against frequency offset 有权
    用于调整频偏的方法

    公开(公告)号：US08295266B2

    公开(公告)日：2012-10-23

    申请号：US12447410

    申请日：2007-10-25

    申请人： Yeong Hyeon Kwon ,  Seung Hee Han ,  Hyun Woo Lee ,  Jin Sam Kwak ,  Dong Cheol Kim ,  Min Seok Noh ,  Dragan Vujcic

    发明人： Yeong Hyeon Kwon ,  Seung Hee Han ,  Hyun Woo Lee ,  Jin Sam Kwak ,  Dong Cheol Kim ,  Min Seok Noh ,  Dragan Vujcic

    IPC分类号： H04J3/06

    CPC分类号： H04L1/08 ,  H04J13/0059 ,  H04J13/16 ,  H04L1/0007 ,  H04L27/2613 ,  H04W56/0035 ,  H04W74/0866

    摘要： A method for establishing RACH transmission to prepare against the frequency offset is disclosed. The method reduces the length of the RACH preamble even if the frequency offset exists, allows the RACH preamble to include a repeated structure (also called an iterative structure) or to use a specific sequence with less affect on the frequency offset, so that the Node-B can easily detect the RACH preamble. If different conditions are established in a high-speed UE and a low-speed UE, an amount of system overheads can be reduced as compared to another case in which an overall RACH condition has been prescribed for only the high-speed UE irrespective of the low-speed UE. And, the method determines whether the user equipment (UE) can estimate its speed according to the aforementioned RACH setup condition, and prescribes a detailed RACH access method according to the determined result.

    摘要翻译： 公开了一种用于建立RACH传输以准备抵消频偏的方法。 该方法即使存在频率偏移也减少了RACH前导码的长度，允许RACH前导码包括重复的结构（也称为迭代结构），或者使用对频率偏移影响较小的特定序列，使得节点 -B可以很容易地检测到RACH前导码。 如果在高速UE和低速UE中建立不同的条件，则与仅对高速UE规定了总体RACH条件的情况相比，可以减少系统开销的数量，而不管 低速UE。 并且，该方法确定用户设备（UE）是否可以根据上述RACH建立条件来估计其速度，并且根据确定的结果规定详细的RACH接入方法。

    METHOD FOR SETTING CYCLIC SHIFT CONSIDERING FREQUENCY OFFSET
    55.
    发明申请
    METHOD FOR SETTING CYCLIC SHIFT CONSIDERING FREQUENCY OFFSET 有权
    设定考虑频率偏移的循环移位的方法

    公开(公告)号：US20120140844A1

    公开(公告)日：2012-06-07

    申请号：US13369172

    申请日：2012-02-08

    申请人： Hyun Woo Lee ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Seung Hee Han ,  Dong Cheol Kim ,  Jin Sam Kwak ,  Dragan Vujcic

    发明人： Hyun Woo Lee ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Seung Hee Han ,  Dong Cheol Kim ,  Jin Sam Kwak ,  Dragan Vujcic

    IPC分类号： H04L27/00 ,  H04B7/24 ,  H03K9/00

    CPC分类号： H04L1/0023 ,  H04J13/0062 ,  H04J13/0074 ,  H04J13/22 ,  H04L27/2613 ,  H04L27/2657 ,  H04W56/00

    摘要： A method for transmitting a random access preamble to a base station at a user equipment (UE) includes generating the random access preamble from a Zadoff-Chu sequence having a length ‘N’ and a root index ‘M’, wherein the random access preamble is defined by a cyclic shift of the Zadoff-Chu sequence and transmitting the generated random access preamble to the base station via a random access channel, wherein the cyclic shift is given by using a variable corresponding to a Doppler shift of one subcarrier spacing, the variable given by using the root index ‘M’, and wherein the cyclic shift is differently given based on whether the variable is smaller than ⅓ of the length ‘N’.

    摘要翻译： 一种在用户设备（UE）向基站发送随机接入前导码的方法包括：从具有长度'N'和根索引'M'的Zadoff-Chu序列生成随机接入前同步码，其中随机接入前导码 由Zadoff-Chu序列的循环移位定义，并且经由随机接入信道将生成的随机接入前导码发送到基站，其中通过使用与一个子载波间隔的多普勒频移相对应的变量来给出循环移位， 通过使用根索引'M'给出的变量，并且其中循环移位根据变量是否小于长度'N'的1/3来不同地给出。

    Ranging method using new ranging structure
    57.
    发明授权
    Ranging method using new ranging structure 有权
    测距方法采用新的测距结构

    公开(公告)号：US08149782B2

    公开(公告)日：2012-04-03

    申请号：US12347615

    申请日：2008-12-31

    申请人： Min Seok Noh ,  Yeong Hyeon Kwon ,  Jin Sam Kwak ,  Dong Cheol Kim ,  Sung Ho Moon ,  Seung Hee Han ,  Hyun Woo Lee

    发明人： Min Seok Noh ,  Yeong Hyeon Kwon ,  Jin Sam Kwak ,  Dong Cheol Kim ,  Sung Ho Moon ,  Seung Hee Han ,  Hyun Woo Lee

    IPC分类号： H04W4/00

    CPC分类号： H04L27/2613 ,  H04J3/0682 ,  H04J4/00 ,  H04L5/0007 ,  H04L5/0053 ,  H04W56/003 ,  H04W74/0866

    摘要： A method for performing ranging in a broadband wireless access system including a user equipment and a base station and using multi-carrier is described. A method using a structure in which a length of a part occupied by a ranging sequence is extended in the time domain includes a method using a structure in which a preamble occupied by the ranging sequence is repeated three times or more, a method using a structure in which a length of a preamble occupied by the ranging sequence is extended in the time domain, and a method using a structure in which lengths of a cyclic prefix and/or a guard time in the time domain are designed in consideration of a delay spread of a channel and a trip delay. Even in a cell structure having an extended radius, the trip delay can accurately be estimated.

    摘要翻译： 描述了在包括用户设备和基站以及使用多载波的宽带无线接入系统中进行测距的方法。 使用其中在时域中扩展测距序列占据的部分的长度的结构的方法包括使用其中由测距序列占据的前导重复三次或更多的结构的方法，使用结构 其中测距序列占用的前导码的长度在时域中被扩展，并且使用这样的结构的方法，其中考虑到延迟扩展来设计时域中的循环前缀和/或保护时间的长度 的通道和行程延迟。 即使在具有扩展半径的单元结构中，也可以准确地估计行程延迟。

    Method for setting cyclic shift considering frequency offset
    58.
    发明授权
    Method for setting cyclic shift considering frequency offset 有权
    考虑频率偏移设置循环移位的方法

    公开(公告)号：US08144805B2

    公开(公告)日：2012-03-27

    申请号：US12840230

    申请日：2010-07-20

    申请人： Hyun Woo Lee ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Seung Hee Han ,  Dong Cheol Kim ,  Jin Sam Kwak ,  Dragan Vujcic

    发明人： Hyun Woo Lee ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Seung Hee Han ,  Dong Cheol Kim ,  Jin Sam Kwak ,  Dragan Vujcic

    IPC分类号： H04L27/04

    CPC分类号： H04L1/0023 ,  H04J13/0062 ,  H04J13/0074 ,  H04J13/22 ,  H04L27/2613 ,  H04L27/2657 ,  H04W56/00

    摘要： A method for establishing a cyclic shift sequence to provide against the frequency offset is disclosed. The method calculates a distance between a channel response position of the sequence and an alias channel response position caused by a frequency offset, calculates the number of cyclic shifts per group according to the calculated distance, and establishes the cyclic shift (CS)-applying interval. This method easily establishes a cyclic shift (CS) interval at a specific location having no overlapping by considering a channel response of a reception (Rx) sequence and an alias location of this reception (Rx) sequence, although a reception (Rx) signal is shifted by a channel delay spreading or a propagation delay irrespective of categories of a domain generating a sequence, so that it can greatly reduce the number of the detection errors and the false alarm rate. And, if a sequence of the cyclic shift (CS) is allocated to a cell having a frequency offset of more than a predetermined level, the present invention can minimize the influence of a frequency offset on a high-mobility cell.

    摘要翻译： 公开了一种建立循环移位序列以提供抵消频偏的方法。 该方法计算序列的信道响应位置与由频率偏移引起的别名信道响应位置之间的距离，根据计算出的距离计算每组的循环移位数，并建立循环移位（CS）应用间隔 。 这种方法通过考虑接收（Rx）序列的信道响应和该接收（Rx）序列的别名位置而容易地在没有重叠的特定位置建立循环移位（CS）间隔，尽管接收（Rx）信号是 移动了信道延迟扩展或传播延迟，而与生成序列的域的类别无关，从而可以大大减少检测误差和误报率。 并且，如果将循环移位（CS）的序列分配给具有大于预定电平的频率偏移的小区，则本发明可以最小化频率偏移对高移动性小区的影响。

    METHOD OF CONSTRUCTING A FRAME BY MULTIPLEXING SUBFRAMES HAVING DIFFERENT CP LENGTH
    60.
    发明申请
    METHOD OF CONSTRUCTING A FRAME BY MULTIPLEXING SUBFRAMES HAVING DIFFERENT CP LENGTH 失效
    通过具有不同CP长度的子树构造框架的方法

    公开(公告)号：US20110268135A1

    公开(公告)日：2011-11-03

    申请号：US13055658

    申请日：2009-08-26

    申请人： Dong Cheol Kim ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Jin Sam Kwak ,  Sung Ho Moon ,  Seung Hee Han ,  Hyun Woo Lee

    发明人： Dong Cheol Kim ,  Min Seok Noh ,  Yeong Hyeon Kwon ,  Jin Sam Kwak ,  Sung Ho Moon ,  Seung Hee Han ,  Hyun Woo Lee

    IPC分类号： H04W99/00

    CPC分类号： H04L27/2602 ,  H04L27/2607

    摘要： The present invention relates to a broadband wireless access system, and more particularly, to a frame structure to which OFDM symbols having a cyclic prefix are transmitted. A method of constructing a frame in a broadband wireless access system according to one embodiment of the present invention comprises including one or more first subframes in the frame, the first subframes including a plurality of symbols having a cyclic prefix of a first length; and including one or more second subframes in the frame, the second subframes including a plurality of symbols having a cyclic prefix of a second length different from the first length, wherein the number of the first subframes and the number of the second subframes are determined considering an idle time for which effective symbols are not included in the frame.

    摘要翻译： 宽带无线接入系统技术领域本发明涉及宽带无线接入系统，更具体地，涉及发送具有循环前缀的OFDM符号的帧结构。 根据本发明的一个实施例的在宽带无线接入系统中构造帧的方法包括在帧中包括一个或多个第一子帧，第一子帧包括具有第一长度的循环前缀的多个符号; 并且在所述帧中包括一个或多个第二子帧，所述第二子帧包括具有不同于所述第一长度的第二长度的循环前缀的多个符号，其中所述第一子帧的数量和所述第二子帧的数量被考虑 有效符号不包括在帧中的空闲时间。