公开(公告)号：US08817770B2

公开(公告)日：2014-08-26

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 ,  H04J11/00 ,  H04L27/26

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：US08295152B2

公开(公告)日：2012-10-23

申请号：US12664480

申请日：2008-06-16

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： H04W4/00 ,  H04J1/00

CPC分类号： H04L5/0016 ,  H04J13/0074 ,  H04L5/0017 ,  H04L5/0019 ,  H04L5/0021 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055

摘要： Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly use time and frequency resources for efficient code hopping. The method includes allocating the same frequency-axis sequence and different time-axis sequences to a plurality of terminals by using a resource index according to a first slot in the first slot; and allocating different frequency-axis sequences and different time-axis sequences to the plurality of terminals by using a resource index according to a second slot in the second slot.

摘要翻译： 提供了一种在无线通信系统中形成信号的方法，其中多个终端通常使用用于有效跳码的时间和频率资源。 该方法包括通过使用根据第一时隙中的第一时隙的资源索引向多个终端分配相同的频率轴序列和不同的时间轴序列; 以及通过使用根据所述第二时隙中的第二时隙的资源索引，向所述多个终端分配不同的频率轴序列和不同的时间轴序列。

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。

公开(公告)号：US08406218B2

公开(公告)日：2013-03-26

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： 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：US08391232B2

公开(公告)日：2013-03-05

申请号：US12664925

申请日：2008-06-23

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： H04L5/22 ,  H05L13/10

CPC分类号： H04W72/0406 ,  H04J13/0048 ,  H04J13/0062 ,  H04J13/18 ,  H04L1/0026 ,  H04L1/003 ,  H04L1/0031 ,  H04L1/1607 ,  H04L1/1692 ,  H04L1/1861 ,  H04L5/0017 ,  H04L23/02 ,  H04W72/0466

摘要： When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.

摘要翻译： 当多个终端在无线通信系统中共享相同的资源时，并且当发送诸如确认/否定确认（ACK / NAK）信息或调度信息等控制信息时，需要有效地执行码分复用（CDM）的方法 以区分多个终端。 特别地，有必要开发一种可以根据每个单元条件选择和使用CDM的代码序列的方法。 提供了一种在无线通信系统中形成信号的方法，其中多个终端共享频率和时间资源。 该方法包括在小区中接收条件信息的操作; 根据条件信息选择具有不同长度的多个时域正交序列中的一个; 以及将所选择的时域正交序列分配给控制信号符号块。

公开(公告)号：US20110085495A1

公开(公告)日：2011-04-14

申请号：US12672427

申请日：2008-08-08

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： H04W4/00

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：US20100182976A1

公开(公告)日：2010-07-22

申请号：US12664925

申请日：2008-06-23

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： H04W4/00

CPC分类号： H04W72/0406 ,  H04J13/0048 ,  H04J13/0062 ,  H04J13/18 ,  H04L1/0026 ,  H04L1/003 ,  H04L1/0031 ,  H04L1/1607 ,  H04L1/1692 ,  H04L1/1861 ,  H04L5/0017 ,  H04L23/02 ,  H04W72/0466

摘要： When a plurality of terminals share the same resources in a wireless communication system, and when control information such as acknowledgement/negative acknowledgement (ACK/NAK) information or scheduling information is transmitted, a method of efficiently performing code division multiplexing (CDM) is required to distinguish the plurality of terminals. In particular, it is necessary to develop a method by which a code sequence of CDM can be selected and used according to each cell condition. Provided is a method of forming a signal in a wireless communication system in which a plurality of terminals commonly share frequency and time resources. The method includes the operations of receiving condition information in a cell; selecting one of a plurality of time domain orthogonal sequences having different lengths, according to the condition information; and allocating the selected time domain orthogonal sequence to a control signal symbol block.

摘要翻译： 当多个终端在无线通信系统中共享相同的资源时，并且当发送诸如确认/否定确认（ACK / NAK）信息或调度信息等控制信息时，需要有效地执行码分复用（CDM）的方法 以区分多个终端。 特别地，有必要开发一种可以根据每个单元条件选择和使用CDM的代码序列的方法。 提供了一种在无线通信系统中形成信号的方法，其中多个终端共享频率和时间资源。 该方法包括在小区中接收条件信息的操作; 根据条件信息选择具有不同长度的多个时域正交序列中的一个; 以及将所选择的时域正交序列分配给控制信号符号块。

公开(公告)号：US08311031B2

公开(公告)日：2012-11-13

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：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。

公开(公告)号：US08811301B2

公开(公告)日：2014-08-19

申请号：US12664487

申请日：2008-06-13

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 ,  H04W72/04 ,  H04B7/204 ,  H04B7/216 ,  H04B7/208 ,  H04B7/06 ,  H04B7/04

CPC分类号： H04W72/044 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/061 ,  H04B7/0623 ,  H04L1/1692 ,  H04L1/1812 ,  H04L1/1861 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0055 ,  H04L27/18

摘要： Provided is a method of efficiently transmitting an acknowledgement/negative acknowledgement (ACK/NACK) bit supporting hybrid automatic repeat request (HARQ) in a wireless communication system supporting multi-user multi-input and multi-output (MIMO). The method transmits the same downlink code and in-phase/quadrature (I/Q) multiplexed ACK/NACK bit to two mobile stations using the same uplink resource block. Accordingly, the method can efficiently transmit the ACK/NACK bit for multi-user MIMO and efficiently use downlink radio resources.

摘要翻译： 提供了一种在支持多用户多输入和多输出（MIMO）的无线通信系统中有效地发送支持混合自动重传请求（HARQ）的确认/否定确认（ACK / NACK）比特的方法。 该方法使用相同的上行链路资源块向两个移动台发送相同的下行链路码和同相/正交（I / Q）复用的ACK / NACK比特。 因此，该方法可以有效地发送用于多用户MIMO的ACK / NACK比特，并有效地使用下行无线资源。