公开(公告)号：US08295156B2

公开(公告)日：2012-10-23

申请号：US12514409

申请日：2007-10-30

申请人： Taegyun Noh ,  Minjoong Rim ,  Byung-Jang Jeong ,  Hyojin Lee ,  Hyun Kyu Chung

发明人： Taegyun Noh ,  Minjoong Rim ,  Byung-Jang Jeong ,  Hyojin Lee ,  Hyun Kyu Chung

IPC分类号： H04J11/00

CPC分类号： H04L27/2607 ,  H04L27/2636 ,  H04L27/2644

摘要： Provided is a technology for extending a guard interval for individual user equipment in an OFDMA system. The transmitting apparatus includes: a guard interval extension processor for generating symbols with a guard interval extended by copying a part of a current symbol and pasting the copied part to a last part of a previous symbol; a Fourier Transform (FT) processor for receiving the processed symbols from the guard interval extension processor and performing an FT process on the received processed symbols; an Inverse Fast Fourier Transform (IFFT) processor for performing an IFFT process on the FT processed symbols from the FT processor; a mapping processor for mapping outputs of the FT processor to input points of the IFFT processor to load the FT processed frequency-domain data on corresponding sub-carriers; and a cyclic prefix inserter for inserting a cyclic prefix code to output of the IFFT processor.

摘要翻译： 提供了一种在OFDMA系统中扩展个人用户设备的保护间隔的技术。 发送装置包括：保护间隔延长处理器，用于生成具有通过复制当前符号的一部分并将复制的部分粘贴到先前符号的最后部分而延长的保护间隔的符号; 傅里叶变换（FT）处理器，用于从所述保护间隔扩展处理器接收所处理的符号，并对所接收的已处理符号执行FT处理; 用于对来自FT处理器的经FT处理的符号执行IFFT处理的反快速傅立叶变换（IFFT）处理器; 映射处理器，用于将FT处理器的输出映射到IFFT处理器的输入点，以将FT处理的频域数据加载到相应的子载波上; 以及用于将循环前缀码插入到IFFT处理器的输出的循环前缀插入器。

公开(公告)号：US20120257642A1

公开(公告)日：2012-10-11

申请号：US13516232

申请日：2010-12-15

申请人： Hoo-Sung Lee ,  Woo-Yong Lee ,  Hyun-Kyu Chung

发明人： Hoo-Sung Lee ,  Woo-Yong Lee ,  Hyun-Kyu Chung

IPC分类号： H04L29/10

CPC分类号： H04N21/8547 ,  H04J3/0685 ,  H04N21/2368 ,  H04N21/4341 ,  H04N21/43635 ,  H04N21/43637

摘要： A method for clock synchronization between higher layers using synchronization information provided from lower layers in multi-clock communication system in which the higher layers and the lower layers use heterogeneous clocks is provided.

摘要翻译： 提供了一种使用多层时钟通信系统中的较低层提供的同步信息的较高层之间的时钟同步的方法，其中较高层和下层使用异构时钟。

公开(公告)号：US20120182836A1

公开(公告)日：2012-07-19

申请号：US13496870

申请日：2010-09-17

申请人： Byung-Jae Kwak ,  Kwang Chun Lee ,  Hyun Kyu Chung ,  Nah-Oak Song

发明人： Byung-Jae Kwak ,  Kwang Chun Lee ,  Hyun Kyu Chung ,  Nah-Oak Song

IPC分类号： G01S3/80 ,  H04B11/00

CPC分类号： H04B11/00

摘要： Disclosed is a technology for performing a communication using an ultrasonic wave in an environment where an electromagnetic shielding is so severe that a wireless communication using an electromagnetic is difficult. In the environment where the electromagnetic shielding is severe, an ultrasonic terminal according to the present invention may transmit the ultrasonic wave using a solid structure as a medium, and an ultrasonic base station may receive the ultrasonic wave using the solid structure as the medium.

摘要翻译： 公开了一种在电磁屏蔽严重使得使用电磁波的无线通信困难的环境中使用超声波进行通信的技术。 在电磁屏蔽严重的环境中，根据本发明的超声波端子可以使用固体结构作为介质传输超声波，并且超声波基站可以使用固体结构作为介质接收超声波。

公开(公告)号：US20120163217A1

公开(公告)日：2012-06-28

申请号：US13334095

申请日：2011-12-22

申请人： Kyeong Pyo KIM ,  Kap Seok Chang ,  Woo Yong Lee ,  Seung Joon Lee ,  Hyun Kyu Chung

发明人： Kyeong Pyo KIM ,  Kap Seok Chang ,  Woo Yong Lee ,  Seung Joon Lee ,  Hyun Kyu Chung

IPC分类号： H04W24/00 ,  H04W72/04 ,  H04J3/00 ,  H04B15/00 ,  H04B17/00 ,  H04L12/26

CPC分类号： H04B7/04 ,  H04W48/08 ,  H04W48/16 ,  H04W88/02

摘要： The present invention relates to communication using multiple antennas, and more particularly, to an apparatus and method for adaptively adjusting, based on a channel environment, an interval and direction of multiple antennas each of a transmitter and a receiver. A communication method according to the present invention may include verifying information about a channel state based on a pilot signal transmitted for each antenna of a transmitter, adjusting intervals among antennas of a receiver based on the information about a channel state, calculating transmission capacity values according to the adjusted intervals among antennas, and setting an antenna to an antenna interval corresponding to a transmission capacity having a highest value among the transmission capacity values calculated.

摘要翻译： 本发明涉及使用多个天线的通信，更具体地，涉及一种用于基于信道环境自适应地调整发射机和接收机的多个天线的间隔和方向的装置和方法。 根据本发明的通信方法可以包括基于对发射机的每个天线发送的导频信号来验证关于信道状态的信息，基于关于信道状态的信息调整接收机的天线之间的间隔，计算传输容量值 到天线之间的调整间隔，并且将天线设置为与计算出的传输容量值中具有最高值的传输容量相对应的天线间隔。

公开(公告)号：US20120063410A1

公开(公告)日：2012-03-15

申请号：US13225327

申请日：2011-09-02

申请人： Seung Eun HONG ,  Yong Sun Kim ,  Woo Yong Lee ,  Hyun Kyu Chung

发明人： Seung Eun HONG ,  Yong Sun Kim ,  Woo Yong Lee ,  Hyun Kyu Chung

IPC分类号： H04W72/04 ,  H04W24/00

CPC分类号： H04W72/085 ,  H04B7/2656 ,  H04W72/0406 ,  H04W72/1231

摘要： Provided is a method and apparatus for setting up a channel for communication between distributed devices in a wireless communication system. A method of selecting a communication channel in a communication device of a wireless communication system may include requesting scanning of channels between the communication device and a discovery device, receiving a channel scanning response message including a Distributed Reservation Protocol (DRP) Availability Information Element (IE) assigned for each scanned channel, and selecting a channel based on the DRP Availability IE.

摘要翻译： 提供了一种在无线通信系统中设置分布式设备之间的通信通道的方法和装置。 在无线通信系统的通信设备中选择通信信道的方法可以包括请求扫描通信设备和发现设备之间的信道，接收包括分布式预留协议（DRP）可用性信息元素（IE）的信道扫描响应消息 ），并根据DRP可用性IE选择一个通道。

公开(公告)号：US20110171990A1

公开(公告)日：2011-07-14

申请号：US13004449

申请日：2011-01-11

申请人： Sung Geun JIN ,  Hyoung Jin Kwon ,  Kap Seok Chang ,  Yong Sun Kim ,  Seung Eun Hong ,  Woo Yong Lee ,  Hyun Kyu Chung

发明人： Sung Geun JIN ,  Hyoung Jin Kwon ,  Kap Seok Chang ,  Yong Sun Kim ,  Seung Eun Hong ,  Woo Yong Lee ,  Hyun Kyu Chung

IPC分类号： H04B7/00

CPC分类号： H04W52/0216 ,  Y02D70/00

摘要： Provided are a terminal for power saving, a power saving method of the terminal, and a wireless communication system for power saving. A receiving terminal may receive scheduling information associated with data transmission and reception of a transmitting terminal. The receiving terminal may directly communicate with the transmitting terminal by referring to the scheduling information.

摘要翻译： 提供节电终端，终端的省电方法以及节电的无线通信系统。 接收终端可以接收与发送终端的数据发送和接收相关联的调度信息。 接收终端可以通过参考调度信息直接与发送终端进行通信。

公开(公告)号：US20110151772A1

公开(公告)日：2011-06-23

申请号：US12962211

申请日：2010-12-07

申请人： Myung-Don KIM ,  Heon- Kook KWON ,  Jae-Joon PARK ,  Byung-Jae KWAK ,  Hyun-kyu CHUNG

发明人： Myung-Don KIM ,  Heon- Kook KWON ,  Jae-Joon PARK ,  Byung-Jae KWAK ,  Hyun-kyu CHUNG

IPC分类号： H04B17/02

CPC分类号： H04B7/155 ,  H04W56/00 ,  H04W72/085 ,  H04W84/047

摘要： An apparatus and method for measuring radio relay channel are provided capable of easily measuring a radio relay channel on each radio link among a base station (BS), a relay station (RS) and a mobile station (MS) and providing a reliable result of measuring the characteristics of radio relay channel by controlling transmission/reception timing based on variation in operation time among the BS, the RS and the MS.

摘要翻译： 提供一种用于测量无线电中继信道的装置和方法，其能够容易地测量基站（BS），中继站（RS）和移动台（MS）之间的每个无线链路上的无线中继信道，并提供可靠的结果 通过基于BS，RS和MS之间的操作时间的变化控制发送/接收定时来测量无线电中继信道的特性。

公开(公告)号：US20110143757A1

公开(公告)日：2011-06-16

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：US20100322109A1

公开(公告)日：2010-12-23

申请号：US12866103

申请日：2009-02-04

申请人： Jae Young Ahn ,  Hyun Kyu Chung

发明人： Jae Young Ahn ,  Hyun Kyu Chung

IPC分类号： H04W16/12 ,  H04W40/16

CPC分类号： H04W12/02 ,  H04B7/06 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0062 ,  H04L5/0073 ,  H04W52/367

摘要： An inter-cell interference mitigation method in an orthogonal frequency division multiple access (OFDM)-based cellular system includes: dividing wireless resources into a resource group for fractional frequency reuse and a resource group for removing inter-cell interference; and re-dividing the resource group for fractional frequency reuse into particular resource groups numbering the same as a number of cell types of fractional frequency reuse, and applying a maximum transmission power to a particular resource group according to a cell type for fractional frequency reuse.

摘要翻译： 在基于正交频分多址（OFDM）的蜂窝系统中的小区间干扰减轻方法包括：将无线资源划分为用于小数频率重用的资源组和用于去除小区间干扰的资源组; 并将分数频率重用的资源组重新划分为与分数次频率重用的小区类型的数量相同的特定资源组，以及根据用于分数频率重用的小区类型向特定资源组应用最大发射功率。

公开(公告)号：US20100316165A1

公开(公告)日：2010-12-16

申请号：US12517949

申请日：2007-12-06

申请人： Hyojin Lee ,  Hyun-Kyu Chung ,  Hyun-Seok Ryu ,  Chung-Gu Kang ,  Heesoo Lee ,  Kyung-Mi Park

发明人： Hyojin Lee ,  Hyun-Kyu Chung ,  Hyun-Seok Ryu ,  Chung-Gu Kang ,  Heesoo Lee ,  Kyung-Mi Park

IPC分类号： H04L27/20

CPC分类号： H04L27/34 ,  H04B7/02 ,  H04B7/026 ,  H04B7/15592 ,  H04L27/36 ,  H04L27/38

摘要： An apparatus for and method of transmitting and/or receiving a signal by using signaling point rotation in mutually cooperative relaying are provided. The apparatus for transmitting a signal includes: a rotated I-channel generation unit rotating a symbol containing data of a first user, by a predetermined angle, and then, obtaining the I-channel (in-phase) component of the rotated symbol; a rotated Q-channel generation unit receiving a symbol rotated by a predetermined angle, of a previous time slot from a node of a second user performing mutually cooperative relaying with the node of the first user, detecting the I-channel component, and obtaining the Q-channel (quadrature-phase) component of a symbol containing data of the second user from the detected I-channel component; and a combining unit combining the I-channel component of the first user generated in the rotated I-channel generation unit and the Q-channel component of the second user generated in the rotated Q-channel generation unit, thereby generating one symbol.

摘要翻译： 提供了一种通过在相互协作的中继中使用信令点旋转来发送和/或接收信号的装置和方法。 用于发送信号的装置包括：旋转的I信道生成单元，使包含第一用户的数据的符号旋转预定角度，然后获得旋转符号的I信道（同相）分量; 旋转的Q信道生成单元接收从与第一用户的节点进行相互协作中继的第二用户的节点的先前时隙旋转预定角度的符号，检测I信道分量，并获得 从检测到的I信道分量的包含第二用户的数据的符号的Q信道（正交相位）分量; 以及组合单元，组合在旋转的I信道生成单元中生成的第一用户的I信道分量和在旋转的Q信道生成单元中生成的第二用户的Q信道分量，从而生成一个符号。