公开(公告)号：US08355464B2

公开(公告)日：2013-01-15

申请号：US12515356

申请日：2007-11-16

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

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

IPC分类号： H04L27/00

CPC分类号： H04L5/0053 ,  H04L5/0007 ,  H04L25/0202

摘要： A downlink frame generation device arrange a plurality of synchronization channel symbols and a plurality of broad-casting channel symbols in a common bandwidth of a system so that the symbols may neighbor each other on the time axis. The downlink frame generation device applies a precoding vector to the synchronization channel symbols and the broadcasting channel symbols to generate a plurality of downlink frames corresponding to a plurality of antennas. The precoding vector is variable by a sector for transmitting a plurality of downlink frames and a subframe in which a plurality of synchronization channel symbols are positioned. The precoding vector is independent of an index of a subcarrier.

摘要翻译： 下行链路帧产生装置在系统的公共带宽中布置多个同步信道符号和多个广播信道符号，使得符号可以在时间轴上彼此相邻。 下行链路帧生成装置对同步信道符号和广播信道符号应用预编码矢量，生成与多个天线对应的多个下行链路帧。 预编码向量由用于发送多个下行链路帧的扇区和多个同步信道符号所在的子帧可变。 预编码向量与子载波的索引无关。

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：US08130717B2

公开(公告)日：2012-03-06

申请号：US12375840

申请日：2007-07-30

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

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

IPC分类号： H04W4/00 ,  H04B1/00

CPC分类号： H04B7/0604

摘要： Provided are a random access method of a mobile station and a mobile communication device performing the same. The mobile station can obtain a diversity gain without a Random Access Channel (RACH) burst collision by hopping according to a cell group in a frequency domain and transmitting a random access when random access resources are used between neighboring cells and detect an RACH even with low transmission power by applying switching diversity together with the frequency hopping.

摘要翻译： 提供了一种移动台和执行该移动台的移动通信装置的随机接入方法。 移动台可以根据频域中的小区组，通过跳频获得没有随机接入信道（RACH）突发冲突的分集增益，并且当在相邻小区之间使用随机接入资源时发送随机接入，并且甚至在低的情况下检测RACH 通过应用切换分集与跳频一起发射功率。

公开(公告)号：US08125976B2

公开(公告)日：2012-02-28

申请号：US12159946

申请日：2007-05-25

申请人： Kap-Seok Chang ,  Il-Gyu Kim ,  Nam-Il Kim ,  Young-Hoon Kim ,  Seung-Chan Bang

发明人： Kap-Seok Chang ,  Il-Gyu Kim ,  Nam-Il Kim ,  Young-Hoon Kim ,  Seung-Chan Bang

IPC分类号： H04J3/06

CPC分类号： H04L27/2656 ,  H04J11/0079 ,  H04L27/2613 ,  H04L27/2675

摘要： The invention provides a method of generating a downlink signal and searching a cell on the basis of the downlink signal in an OFDM-based cellular system. The downlink signal includes a plurality of synchronization blocks each having a plurality of sub-frames, and a synchronization pattern composed of a combination of a cell group identification code for identifying a cell group and a frame synchronization identification code for indicating a frame start point is generated in each of the synchronization blocks. Different frame synchronization identification codes are allocated to the synchronization blocks.

摘要翻译： 本发明提供了一种在基于OFDM的蜂窝系统中基于下行链路信号产生下行链路信号和搜索小区的方法。 下行链路信号包括多个具有多个子帧的同步块，并且由用于识别小区组的小区组识别码和用于指示帧起始点的帧同步识别码的组合构成的同步模式是 在每个同步块中产生。 不同的帧同步识别码被分配给同步块。

公开(公告)号：US20110044256A1

公开(公告)日：2011-02-24

申请号：US12160719

申请日：2007-05-30

申请人： Kap-Seok Chang ,  Il-Gyu Kim ,  Nam-Il Kim ,  Hyeong-Geun Park ,  Young-Hoon Kim ,  Seung-Chan Bang

发明人： Kap-Seok Chang ,  Il-Gyu Kim ,  Nam-Il Kim ,  Hyeong-Geun Park ,  Young-Hoon Kim ,  Seung-Chan Bang

IPC分类号： H04W72/04

CPC分类号： H04J11/0079 ,  H04L27/261 ,  H04L27/2613 ,  H04L27/2656 ,  H04L27/2685

摘要： An apparatus for generating a downlink signal and a cell search apparatus are disclosed. An apparatus for generating a downlink signal generates a downlink signal by one unique cell identification code group and a plurality of frame synchronization identification sequences, generates a downlink signal by a plurality of unique cell identification code groups and a plurality of frame synchronization identification sequences, or generates a downlink signal by a plurality of unique cell identification code groups and one frame synchronization identification sequence. A cell search apparatus obtains frame synchronization and identifies cells through a frame synchronization identification sequence and a unique cell identification code group.

摘要翻译： 公开了一种用于生成下行链路信号的装置和小区搜索装置。 用于产生下行链路信号的装置通过一个唯一小区识别码组和多个帧同步识别序列产生下行链路信号，通过多个唯一小区识别码组和多个帧同步识别序列产生下行链路信号，或 通过多个唯一小区识别码组和一个帧同步识别序列生成下行链路信号。 小区搜索装置通过帧同步识别序列和唯一小区识别码组获得帧同步并识别小区。

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：US07492742B2

公开(公告)日：2009-02-17

申请号：US11272561

申请日：2005-11-09

申请人： Chan-Bok Jeong ,  Seung-Chan Bang ,  Soo-Bum Kim ,  Young-Hoon Kim ,  Il-Gyu Kim ,  Sang-Woo Nam

发明人： Chan-Bok Jeong ,  Seung-Chan Bang ,  Soo-Bum Kim ,  Young-Hoon Kim ,  Il-Gyu Kim ,  Sang-Woo Nam

IPC分类号： H04B7/216

CPC分类号： H04L27/2601

摘要： The present invention relates to a terminal board applied to a multi-band and multi-carrier wireless system and an apparatus thereof. The terminal platform apparatus according to an exemplary embodiment of the present invention includes a multi-band multi-carrier terminal platform board, a monitoring device, an RF unit for a multi-band multi-carrier system, and a GPS/power source supply. The multi-band multi-carrier terminal platform board achieves high speed data processing and high quality data transmission by using a plurality of high performance FPGAs, an ARM processor, a DPRAM, and a CardBus interface. The monitoring device performs real-time debugging operations, and the GPS/power source supply supplies a power source to the multi-band multi-carrier terminal platform board.

摘要翻译： 本发明涉及应用于多频带和多载波无线系统的终端板及其装置。 根据本发明的示例性实施例的终端平台装置包括多频带多载波终端平台板，监视装置，用于多频带多载波系统的RF单元和GPS /电源。 多频带多载波终端平台板通过使用多个高性能FPGA，ARM处理器，DPRAM和CardBus接口实现高速数据处理和高质量数据传输。 监控设备执行实时调试操作，GPS /电源为多频段多载波终端平台板提供电源。

公开(公告)号：US07190944B2

公开(公告)日：2007-03-13

申请号：US10466054

申请日：2001-12-28

申请人： Il-Gyu Kim ,  Seung-Chan Bang ,  Jae-Heung Kim ,  Chang-Joo Kim

发明人： Il-Gyu Kim ,  Seung-Chan Bang ,  Jae-Heung Kim ,  Chang-Joo Kim

IPC分类号： H04B1/06 ,  H05K11/02 ,  H04Q7/00

CPC分类号： H04W36/30 ,  H04W36/06 ,  H04W36/18

摘要： A method for performing a handover based on a compressed mode and a common frequency of neighbor cells is disclosed. The method for performing a handover includes the steps of: a) measuring the signal intensities of a common frequency of a source base station and a target base station, wherein the signal intensity is measured by the mobile station based on a downlink compressed mode; b) determining whether a handover is necessary or not, based on the signal intensities of the common frequency; c) if the handover is necessary, at the source base station, allowing the mobile station to perform intra cell hard handover from a frequency used for communication between the mobile station and the source base station to the common frequency; and then d) allowing the mobile station to perform a soft handover from the source base station to the target base station based on the common frequency.

摘要翻译： 公开了一种基于相邻小区的压缩模式和公共频率执行切换的方法。 执行切换的方法包括以下步骤：a）测量源基站和目标基站的公共频率的信号强度，其中信号强度由移动台基于下行链路压缩模式测量; b）基于公共频率的信号强度确定是否需要切换; c）如果需要切换，则在源基站允许移动台从用于移动台和源基站之间的通信的频率到公共频率执行小区内硬切换; 然后d）允许移动站基于公共频率执行从源基站到目标基站的软切换。

公开(公告)号：US08489095B2

公开(公告)日：2013-07-16

申请号：US12870834

申请日：2010-08-29

申请人： Don-Sung Oh ,  Seung-Chan Bang ,  Il-Gyu Kim ,  Hyun-Kyu Chung

发明人： Don-Sung Oh ,  Seung-Chan Bang ,  Il-Gyu Kim ,  Hyun-Kyu Chung

IPC分类号： H04W4/00

CPC分类号： H04W4/08 ,  H04W8/186

摘要： A group service providing method and apparatus suitable for use in a wireless communication system. A group registration method for providing a group service to a master terminal and a slave terminal, the group registration method may comprise receiving and storing subscriber profile information of the master terminal from an associated communication network server in response to a group service registration request from the master terminal; generating a group related to the group service registration request and a group key corresponding to the generated group and transmitting to the master terminal a group generation completion message including the group key; receiving and storing subscriber profile information of the slave terminal dependent on the master terminal from the communication network server; and transmitting the group key to the slave terminal with reference to the subscriber profile information of the slave terminal.

摘要翻译： 适用于无线通信系统的组服务提供方法和装置。 一种用于向主终端和从终端提供组服务的组注册方法，组注册方法可以包括响应于来自相关联的通信网络服务器的组服务注册请求从相关联的通信网络服务器接收和存储主终端的订户简档信息 主终端 生成与组服务注册请求相关的组和与生成组对应的组密钥，并向主终端发送包括组密钥的组生成完成消息; 从通信网络服务器接收和存储取决于主终端的从属终端的用户简档信息; 并且参考从属终端的用户简档信息将组密钥发送到从终端。

公开(公告)号：US08411552B2

公开(公告)日：2013-04-02

申请号：US12093428

申请日：2006-11-10

申请人： Il-Gyu Kim ,  Nam-Il Kim ,  Hyeong-Geun Park ,  Kap-Seok Chang ,  Young-Hoon Kim ,  Seung-Chan Bang

发明人： Il-Gyu Kim ,  Nam-Il Kim ,  Hyeong-Geun Park ,  Kap-Seok Chang ,  Young-Hoon Kim ,  Seung-Chan Bang

IPC分类号： H04J11/00

CPC分类号： H04B1/7083 ,  H04J11/0073 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2656 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/2675 ,  H04L27/2684

摘要： Provided are a cell search method, a frame transmission method thereof, and a forward link frame structure thereof. The cell search method used by a terminal to search a target cell using reception signals received from a plurality of base stations, each base station transmitting a frame of its cell, in an Orthogonal Frequency-Division Multiplexing (OFDM) cellular system comprising a plurality cells to which a cell-specific scrambling code is assigned includes: detecting a hopping pattern of the target cell using reception sync channel symbols, which are signals corresponding to sync channel symbol positions of the reception signals, wherein the frame of each cell comprises M sync channel symbols code-hopped according to a hopping pattern of the cell, where M is a natural number equal to or greater than 2, each hopping pattern containing M sync channel code sequences and respectively corresponding to each code group to which a scrambling code of each cell belongs, and an arbitrary hopping pattern used in the OFDM cellular system differs from a cyclically shifted result of the hopping pattern, other hopping patterns, or cyclically shifted results of the other hopping patterns; and detecting a code group of the target cell based on the detected hopping pattern. Accordingly, a cell search time and the complexity of the cell search can be reduced.

摘要翻译： 提供了一种小区搜索方法，其帧发送方法及其前向链路帧结构。 终端使用的小区搜索方法，在使用从多个基站接收的接收信号来搜索目标小区，每个基站在正交频分复用（OFDM）蜂窝系统中的每个基站发送其小区的帧，所述正交频分复用（OFDM）蜂窝系统包括多个小区 分配小区特定扰码的步骤包括：使用接收同步信道符号来检测目标小区的跳频模式，所述接收同步信道符号是对应于接收信号的同步信道符号位置的信号，其中每个小区的帧包括M个同步信道 根据小区的跳频模式跳码的符号，其中M是等于或大于2的自然数，每个跳频模式包含M个同步信道码序列，并且分别对应于每个小区的扰码的每个码组 属于，并且在OFDM蜂窝系统中使用的任意跳频模式与跳频模式的循环移位结果不同 跳频图案或其他跳频图案的循环移位结果; 以及基于检测到的跳频图案来检测目标小区的代码组。 因此，可以减少小区搜索时间和小区搜索的复杂度。