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    • 1. 发明申请
    • METHOD FOR TRANSMITTING PHYSICAL LAYER ID INFORMATION
    • 发送物理层识别信息的方法
    • WO2009154410A2
    • 2009-12-23
    • PCT/KR2009003270
    • 2009-06-18
    • LG ELECTRONICS INCHAN SEUNG HEEKWON YEONG HYEONVUJCIC DRAGANKIM DONG CHEOLMOON SUNG HOKWAK JIN SAMNOH MIN SEOKLEE HYUN WOO
    • HAN SEUNG HEEKWON YEONG HYEONVUJCIC DRAGANKIM DONG CHEOLMOON SUNG HOKWAK JIN SAMNOH MIN SEOKLEE HYUN WOO
    • H04B7/26H04W16/16H04W48/16H04W68/00
    • H04W8/26
    • Disclosed is a method for transmitting a cell ID of a specific type as physical layer ID information in addition to existing cell ID information. To this end, a method for increasing the number of cell IDs used in transmission of existing cell ID information in a synchronization channel can be employed, and a part of existing cell IDs can be set to be used for the transmission of additional specific type cell ID information. More specifically, in a case of increasing the number of cell IDs, a method for increasing the number of cell ID groups associated with a sub-synchronization channel without ambiguity problems and collision problems, a method for adding the number of cell IDs associated with a main synchronization channel in such a manner so as to satisfy characteristics of complex symmetry, a method for transmitting information using a transmission timing relationship of a main synchronization code and a sub synchronization code, and a method for transforming a scrambling scheme can be used. Further, in a case of reserving a part of existing cell IDs, characteristics of complex symmetry are considered in relation to a main synchronization channel, and ambiguity and collision problems are considered in relation to a sub-synchronization channel.
    • 公开了除了现有的小区ID信息之外,还将特定类型的小区ID作为物理层ID信息进行发送的方法。 为此,可以采用用于增加同步信道中现有小区ID信息的传输中使用的小区ID的数量的方法,并且可以将现有小区ID的一部分设置为用于附加特定类型小区的传输 身份信息。 更具体地,在增加小区ID的数量的情况下,增加与不具有模糊性问题和冲突问题的子同步信道相关联的小区ID组的数量的方法,添加与一个小区ID相关联的小区ID的数量的方法 主同步信道,以满足复对称性的特征,可以使用使用主同步码和子同步码的发送定时关系发送信息的方法,以及变换加扰方案的方法。 此外,在保留现有小区ID的一部分的情况下,考虑与主同步信道相关的复对称特性,并且考虑到与子同步信道有关的模糊性和冲突问题。
    • 3. 发明申请
    • METHOD FOR SETTING CYCLIC SHIFT CONSIDERING FREQUENCY OFFSET
    • 设定考虑频率偏移的循环移位的方法
    • WO2008082262A3
    • 2009-02-19
    • PCT/KR2008000044
    • 2008-01-04
    • LG ELECTRONICS INCVUJCIC DRAGANHAN SEUNG HEENOH MIN SEOKKWON YEONG HYEONLEE HYUN WOOKIM DONG CHEOLKWAK JIN SAM
    • HAN SEUNG HEENOH MIN SEOKKWON YEONG HYEONLEE HYUN WOOKIM DONG CHEOLKWAK JIN SAM
    • H04L27/26
    • H04L1/0023H04J13/0062H04J13/0074H04J13/22H04L27/2613H04L27/2657H04W56/00
    • 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.
    • 公开了一种用于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和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处建立循环移位(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。