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    Random access preamble structure in extended cells environment
    1.
    发明授权
    Random access preamble structure in extended cells environment 有权
    扩展单元环境中的随机接入前导码结构

    公开(公告)号：US09450796B2

    公开(公告)日：2016-09-20

    申请号：US12523125

    申请日：2008-01-04

    申请人： Moon-Sik Lee ,  Hye-Kyung Jwa ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    发明人： Moon-Sik Lee ,  Hye-Kyung Jwa ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    IPC分类号： H04L27/00 ,  H04L27/26

    CPC分类号： H04L27/2607 ,  H04L69/323 ,  H04W74/006

    摘要： Provided is a method of forming a random access preamble structure for an extended cell radius in a cellular system, the method including: generating a cyclic prefix (CP), which is the sum of a maximum delay spread and the maximum round trip delay according to the extended cell; generating a preamble sequence part. The method is used to form a preamble structure for an extended cell radius from among random access preamble structures transmitted when initial synchronization is achieved, when synchronization is lost, or when a handover is performed, during a random access process of the cellular system.

    摘要翻译： 提供了一种在蜂窝系统中形成用于扩展小区半径的随机接入前导码结构的方法，所述方法包括：根据根据本发明的方法，生成循环前缀（CP），其是最大延迟扩展和最大往返延迟之和 扩展单元格 生成前导序列部分。 该方法用于在实现初始同步时，当同步丢失时，或者当在蜂窝系统的随机接入过程中执行切换时，从发送的随机接入前同步码结构中形成用于扩展小区半径的前导码结构。

    CELL SEARCH METHOD, FORWARD LINK FRAME TRANSMISSION METHOD, APPARATUS USING THE SAME AND FORWARD LINK FRAME STRUCTURE
    3.
    发明申请
    CELL SEARCH METHOD, FORWARD LINK FRAME TRANSMISSION METHOD, APPARATUS USING THE SAME AND FORWARD LINK FRAME STRUCTURE 有权
    小区搜索方法，前向链路帧传输方法，使用它们的装置和前向链路帧结构

    公开(公告)号：US20090232125A1

    公开(公告)日：2009-09-17

    申请号：US12162237

    申请日：2007-07-25

    申请人： Il-Gyu Kim ,  Hyeong-Geun Park ,  Young-Jo Ko ,  Kapseok Chang ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    发明人： Il-Gyu Kim ,  Hyeong-Geun Park ,  Young-Jo Ko ,  Kapseok Chang ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    IPC分类号： H04J3/06 ,  H04L27/28

    CPC分类号： H04W56/001 ,  H04J11/0069 ,  H04J11/0093 ,  H04L5/0037 ,  H04L5/005 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2675 ,  H04W36/0061 ,  H04W36/08 ,  H04W56/00

    摘要： In a cellular system in which OFDM is used, a forward link synchronization channel, a common pilot channel structure, an initial cell searching method of a mobile station, and an adjacent cell searching method for handover are required.A method of transmitting a forward synchronization signal in a wireless communication system according to the present invention includes generating a frame comprised of a plurality of sync blocks; and transmitting the frame through a forward link, wherein the frame comprises primary synchronization channel sequences which provide timing information of the sync blocks and a plurality of secondary synchronization channel sequences which provide timing information of the frame, wherein a cell identifier is specified by a combination of the primary synchronization channel sequence and a hopping code word specified by the plurality of the secondary synchronization channel sequences. Therefore, the cell searching time can be efficiently reduced in an OFDM system.

    摘要翻译： 在使用OFDM的蜂窝系统中，需要前向链路同步信道，公共导频信道结构，移动台的初始小区搜索方法以及切换用的相邻小区搜索方法。 根据本发明的在无线通信系统中发送正向同步信号的方法包括：生成由多个同步块组成的帧; 并且通过前向链路发送所述帧，其中所述帧包括提供所述同步块的定时信息的主同步信道序列和提供所述帧的定时信息的多个次同步信道序列，其中小区标识符由组合 的主同步信道序列和由多个次同步信道序列指定的跳频码字。 因此，可以在OFDM系统中有效地减少小区搜索时间。

    Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure
    6.
    发明授权
    Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure 有权
    小区搜索方法，前向链路帧传输方法，使用相同和前向链路帧结构的装置

    公开(公告)号：US07969964B2

    公开(公告)日：2011-06-28

    申请号：US12162237

    申请日：2007-07-25

    申请人： Il-Gyu Kim ,  Hyeong-Geun Park ,  Young-Jo Ko ,  Kapseok Chang ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    发明人： Il-Gyu Kim ,  Hyeong-Geun Park ,  Young-Jo Ko ,  Kapseok Chang ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    IPC分类号： H04J3/06

    CPC分类号： H04W56/001 ,  H04J11/0069 ,  H04J11/0093 ,  H04L5/0037 ,  H04L5/005 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2675 ,  H04W36/0061 ,  H04W36/08 ,  H04W56/00

    摘要： In a cellular system in which OFDM is used, a forward link synchronization channel, a common pilot channel structure, an initial cell searching method of a mobile station, and an adjacent cell searching method for handover are required.A method of transmitting a forward synchronization signal in a wireless communication system according to the present invention includes generating a frame comprised of a plurality of sync blocks; and transmitting the frame through a forward link, wherein the frame comprises primary synchronization channel sequences which provide timing information of the sync blocks and a plurality of secondary synchronization channel sequences which provide timing information of the frame, wherein a cell identifier is specified by a combination of the primary synchronization channel sequence and a hopping code word specified by the plurality of the secondary synchronization channel sequences. Therefore, the cell searching time can be efficiently reduced in an OFDM system.

    摘要翻译： 在使用OFDM的蜂窝系统中，需要前向链路同步信道，公共导频信道结构，移动台的初始小区搜索方法以及切换用的相邻小区搜索方法。 根据本发明的在无线通信系统中发送正向同步信号的方法包括：生成由多个同步块组成的帧; 并且通过前向链路发送所述帧，其中所述帧包括提供所述同步块的定时信息的主同步信道序列和提供所述帧的定时信息的多个次同步信道序列，其中小区标识符由组合 的主同步信道序列和由多个次同步信道序列指定的跳频码字。 因此，可以在OFDM系统中有效地减少小区搜索时间。

    RANDOM ACCESS PREAMBLE STRUCTURE IN EXTENDED CELLS ENVIRONMENT
    9.
    发明申请
    RANDOM ACCESS PREAMBLE STRUCTURE IN EXTENDED CELLS ENVIRONMENT 有权
    随机访问在扩展的细胞环境中的前置结构

    公开(公告)号：US20100080307A1

    公开(公告)日：2010-04-01

    申请号：US12523125

    申请日：2008-01-04

    申请人： Moon-Sik Lee ,  Hye-Kyung Jwa ,  Hyoseok Yi ,  Young-Hoon Kim

    发明人： Moon-Sik Lee ,  Hye-Kyung Jwa ,  Hyoseok Yi ,  Young-Hoon Kim

    IPC分类号： H04L27/00

    CPC分类号： H04L27/2607 ,  H04L69/323 ,  H04W74/006

    摘要： Provided is a method of forming a random access preamble structure for an extended cell radius in a cellular system, the method including: generating a cyclic prefix (CP), which is the sum of a maximum delay spread and the maximum round trip delay according to the extended cell; generating a preamble sequence part. The method is used to form a preamble structure for an extended cell radius from among random access preamble structures transmitted when initial synchronization is achieved, when synchronization is lost, or when a handover is performed, during a random access process of the cellular system.

    摘要翻译： 提供了一种在蜂窝系统中形成用于扩展小区半径的随机接入前导码结构的方法，所述方法包括：根据根据本发明的方法，生成循环前缀（CP），其是最大延迟扩展和最大往返延迟之和 扩展单元格 生成前导序列部分。 该方法用于在实现初始同步时，当同步丢失时，或者当在蜂窝系统的随机接入过程中执行切换时，从发送的随机接入前同步码结构中形成用于扩展小区半径的前导码结构。

    METHOD FOR ALLOCATING CODE TO CELLS AND PLANNING CELLS IN OFDM CELLULAR SYSTEM
    10.
    发明申请
    METHOD FOR ALLOCATING CODE TO CELLS AND PLANNING CELLS IN OFDM CELLULAR SYSTEM 审中-公开
    在OFDM细胞系统中将细胞分配给细胞和规划细胞的方法

    公开(公告)号：US20100061322A1

    公开(公告)日：2010-03-11

    申请号：US12516032

    申请日：2007-11-23

    申请人： Il-Gyu Kim ,  Hyeong-Geun Park ,  Young-Jo Ko ,  Kapseok Chang ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    发明人： Il-Gyu Kim ,  Hyeong-Geun Park ,  Young-Jo Ko ,  Kapseok Chang ,  Hyoseok Yi ,  Young-Hoon Kim ,  Seung-Chan Bang

    IPC分类号： H04W4/00

    CPC分类号： H04W56/0045 ,  H04J11/0069

    摘要： A piece of user equipment (UE), which has received more than two synchronization codes at the same time, has a problem in that the UE may not confirm the synchronization codes due to an increase in inter-signal interference. As a result, the UE may not acquire a primary scrambling code (PSC). A method of transmitting a forward synchronization signal in a wireless communication system includes: each base station existing in a wireless communication system generating a frame according to a predetermined unit of frame timing by using a same external clock signal; and allocating different offsets to frames of adjacent base stations by using the external clock signal so that forward link common channels included in the frames do not overlap each other, and transmitting the frames. In addition, a method of allocating a cell code suitable for an OFDM cellular system, a forward link frame transmitting method, a method of setting timing between cells, and a method of setting timing between a base station and a mobile station can be derived.

    摘要翻译： 同时接收到两个以上同步码的用户设备（UE）的问题在于，由于信号间干扰的增加，UE可能无法确认同步码。 结果，UE可能不获取主扰码（PSC）。 一种在无线通信系统中发送正向同步信号的方法包括：存在于无线通信系统中的每个基站通过使用相同的外部时钟信号根据帧定时的预定单位生成帧; 并且通过使用外部时钟信号为相邻基站的帧分配不同的偏移量，使得包括在帧中的前向链路公共信道彼此不重叠，并且发送帧。 此外，可以推导出分配适合于OFDM蜂窝系统的小区代码的方法，前向链路帧发送方法，小区之间的时间设置方法以及基站和移动站之间的定时设定方法。