公开(公告)号：US20130010770A1

公开(公告)日：2013-01-10

申请号：US13617679

申请日：2012-09-14

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： H04W56/00

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： A method of and an apparatus therefor searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, and each cell group includes at least two cells. The method includes detecting a primary synchronization signal and a secondary synchronization signal from a received signal, and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.

公开(公告)号：US20120307789A1

公开(公告)日：2012-12-06

申请号：US13589566

申请日：2012-08-20

申请人： Young-Jo KO ,  Hyeong-Geun PARK ,  Il-Gyu KIM ,  Kapseok CHANG ,  Hyoseok YI ,  Young-Hoon KIM ,  Seung-Chan BANG

发明人： Young-Jo KO ,  Hyeong-Geun PARK ,  Il-Gyu KIM ,  Kapseok CHANG ,  Hyoseok YI ,  Young-Hoon KIM ,  Seung-Chan BANG

IPC分类号： H04W72/04

CPC分类号： H04J11/003 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2607 ,  H04W72/00

摘要： Provided is method of forming a signal in a wireless communication system in which a plurality of terminals commonly use a resource in the time domain and the frequency domain. The method includes multiplying a signal to be transmitted by a frequency domain orthogonal code symbol corresponding to a first cyclic shift index in a first slot to be transmitted to a base station, wherein the multiplying is performed by a first terminal and a second terminal; and multiplying information to be transmitted by a frequency domain orthogonal code symbol corresponding to a second cyclic index that is different from the first cyclic index of the first slot to be transmitted to the base station, in a second slot, wherein the multiplying is performed by the first terminal and the second terminal.

摘要翻译： 提供了在多个终端在时域和频域中共同使用资源的无线通信系统中形成信号的方法。 该方法包括将待发送的信号乘以与要发送到基站的第一时隙中的对应于第一循环移位索引的频域正交码符号，其中乘法由第一终端和第二终端执行; 以及在第二时隙中将要发送的频率乘以与要发送的第一时隙的第一循环索引不同的第二循环索引的频域正交码符号发送到第二时隙，其中，乘法由 第一终端和第二终端。

公开(公告)号：US20110149947A1

公开(公告)日：2011-06-23

申请号：US13036787

申请日：2011-02-28

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： A method of and an apparatus therefor searching a cell in a mobile station of a communication system in which a plurality of cells are grouped into a plurality of cell groups, and each cell group includes at least two cells. The method includes detecting a primary synchronization signal and a secondary synchronization signal from a received signal, and identifying a cell based on a combination of the primary synchronization signal and the secondary synchronization signal. The secondary synchronization signal is related to the cell group to which the mobile station belongs and the primary synchronization signal is related to the cell to which the mobile station belongs within the cell group.

摘要翻译： 一种用于搜索其中多个小区被分组成多个小区组的通信系统的移动站中的小区的方法和装置，并且每个小区组包括至少两个小区。 该方法包括从接收信号检测主同步信号和次同步信号，以及基于主同步信号和次同步信号的组合来识别小区。 次同步信号与移动站所属的小区组相关，主同步信号与移动站所属小区相关。

公开(公告)号：US20090196279A1

公开(公告)日：2009-08-06

申请号：US12425813

申请日：2009-04-17

申请人： Il-Gyu KIM ,  Hyeong-Geun PARK ,  Young-Jo KO ,  Kapseok CHANG ,  Hyoseok YI ,  Jun-Hwan LEE ,  Young-Hoon KIM ,  Seung-Chan BANG

发明人： Il-Gyu KIM ,  Hyeong-Geun PARK ,  Young-Jo KO ,  Kapseok CHANG ,  Hyoseok YI ,  Jun-Hwan LEE ,  Young-Hoon KIM ,  Seung-Chan BANG

IPC分类号： H04J3/06

CPC分类号： H04J11/0069 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0226 ,  H04L25/0228 ,  H04L25/03866 ,  H04L27/261 ,  H04L27/2613 ,  H04L27/2656 ,  H04L27/2657 ,  H04L27/2675 ,  H04W56/0085 ,  Y02D70/00 ,  Y02D70/1262

摘要： Provided are a sync channel of a forward link, a common pilot channel structure, and an initial cell search method and an adjacent cell search method for handover in a cellular system using orthogonal frequency division multiplexing (OFDM). A cell search method in an OFDM cellular system in which a primary sync channel and a secondary sync channel are configured based on time division multiplexing (TDM) includes acquiring sync block synchronization and a primary sync channel sequence number using a primary sync channel symbol included in a frame received by a terminal, detecting a boundary of the frame and a scrambling code group using the sync block and a secondary sync channel symbol included in the frame received by the terminal, and acquiring a scrambling code using the primary sync channel sequence number and the scrambling code group, thereby reducing cell search time with low complexity.

摘要翻译： 提供了使用正交频分复用（OFDM）的蜂窝系统中的前向链路，公共导频信道结构和初始小区搜索方法以及用于切换的相邻小区搜索方法的同步信道。 基于时分复用（TDM）配置主同步信道和辅同步信道的OFDM蜂窝系统中的小区搜索方法包括：使用包括在主同步信道符号中的主同步信道符号来获取同步块同步和主同步信道序列号 由终端接收的帧，检测帧的边界和使用同步块的扰码组和由终端接收的帧中包括的辅同步信道符号，以及使用主同步信道序列号获取扰码，并且 扰码组，从而以低复杂度减少小区搜索时间。

公开(公告)号：US20100086129A1

公开(公告)日：2010-04-08

申请号：US12634871

申请日：2009-12-10

申请人： Hyeong-Geun PARK ,  Il-Gyu KIM ,  Kap-Seok CHANG ,  Young-Jo KO ,  Hyo-Seok YI ,  Young-Hoon KIM ,  Seung-Chan BANG

发明人： Hyeong-Geun PARK ,  Il-Gyu KIM ,  Kap-Seok CHANG ,  Young-Jo KO ,  Hyo-Seok YI ,  Young-Hoon KIM ,  Seung-Chan BANG

IPC分类号： H04L9/18

CPC分类号： H04W48/10 ,  H04J13/00 ,  H04L1/0041 ,  H04L1/0046 ,  H04L1/0067 ,  H04L1/0071 ,  H04L1/1845 ,  H04L25/03866 ,  H04L25/05 ,  H04W4/18 ,  H04W48/08 ,  H04W72/0446

摘要： A signal transmitting method according to an exemplary embodiment of the present invention includes channel-coding broadcasting channel information by using a first scrambling code in a first frame within a broadcasting channel information updating period including a plurality of frames, and channel-coding the broadcasting channel information by using a second scrambling code in a second frame within the broadcasting channel information updating period. The second scrambling code is different from the first scrambling code.

公开(公告)号：US20080151763A1

公开(公告)日：2008-06-26

申请号：US11951587

申请日：2007-12-06

申请人： Sung-Jun LEE ,  Jae-Ho JUNG ,  Hyeong-Geun PARK ,  Seong-Min KIM ,  Kwang-Chun LEE

发明人： Sung-Jun LEE ,  Jae-Ho JUNG ,  Hyeong-Geun PARK ,  Seong-Min KIM ,  Kwang-Chun LEE

IPC分类号： H04L12/26

CPC分类号： H04L43/50 ,  H04L41/145 ,  H04W24/08

摘要： Provided is a wired Multiple-Input Multiple-Output (MIMO) link tester. The wired link tester, includes: a simulating unit for constructing a wired link corresponding to a wireless link for a multiple-input multiple-output system and simulating wireless-link characteristics using each variable element located on the wired link; and a control means for prestoring a predetermined value of the variable element depending on the state change time and the number of the state changes and controlling the variable element according to the predetermined value of the variable element.

摘要翻译： 提供了一种有线多输入多输出（MIMO）链路测试仪。 有线链路测试器包括：模拟单元，用于构建对应于多输入多输出系统的无线链路的有线链路，并使用位于有线链路上的每个可变元件来模拟无线链路特性; 以及控制装置，用于根据状态改变时间和状态数量改变预定可变元件的预定值，并根据可变元件的预定值来控制可变元件。