公开(公告)号：WO2011025246A3

公开(公告)日：2011-08-04

申请号：PCT/KR2010005677

申请日：2010-08-25

Applicant: KOREA ELECTRONICS TELECOMM ,  CHANG KAPSEOK ,  JIN SUNGGEUN ,  CHUNG HYUN-KYU ,  LEE WOOYONG ,  KWON HYOUNGJIN

Inventor： CHANG KAPSEOK ,  JIN SUNGGEUN ,  CHUNG HYUN-KYU ,  LEE WOOYONG ,  KWON HYOUNGJIN

IPC: H04W56/00 ,  H04B7/26

CPC classification number: H04W56/005 ,  H04B7/15592 ,  H04W56/00 ,  H04W56/001 ,  H04W56/002 ,  H04W56/0045

Abstract: Disclosed is a technique related to a method for controlling synchronization by correcting data transmission time or frequency offset, and to a station. According to the technique, a method for controlling the synchronization of a first terminal for data transmission/reception in a coordinated communication system comprises: a step of transmitting a first request frame and a second request frame containing transmission time information for each of a first response frame and a second response frame to a second terminal and to a third terminal, respectively; a step of receiving the first response frame and the second response frame from the second terminal and the third terminal; a step of estimating a first propagation delay time between the first terminal and the second terminal and a second propagation delay time between the first terminal and the third terminal, using the time of receiving the first response frame and the second response frame; and a step of transmitting, to the second terminal, a third request frame containing information on the delay time difference between the first propagation delay time and the second propagation delay time.

Abstract translation: 公开了与通过校正数据传输时间或频率偏移来控制同步的方法以及与站相关的技术。 根据该技术，一种用于在协调通信系统中控制用于数据发送/接收的第一终端的同步的方法包括：发送第一请求帧和包含用于第一响应中的每一个的发送时间信息的第二请求帧的步骤 帧和第二响应帧分别发送到第二终端和第三终端; 从第二终端和第三终端接收第一响应帧和第二响应帧的步骤; 使用接收第一响应帧和第二响应帧的时间来估计第一终端和第二终端之间的第一传播延迟时间以及第一终端和第三终端之间的第二传播延迟时间的步骤; 以及向第二终端发送包含关于第一传播延迟时间和第二传播延迟时间之间的延迟时间差的信息的第三请求帧的步骤。

公开(公告)号：WO2011021904A2

公开(公告)日：2011-02-24

申请号：PCT/KR2010005561

申请日：2010-08-20

Applicant: KOREA ELECTRONICS TELECOMM ,  JIN SUNG-GEUN ,  CHANG KAPSEOK ,  KWON HYOUNG JIN ,  LEE WOO YONG ,  CHUNG HYUN KYU

Inventor： JIN SUNG-GEUN ,  CHANG KAPSEOK ,  KWON HYOUNG JIN ,  LEE WOO YONG ,  CHUNG HYUN KYU

IPC: H04B7/26

CPC classification number: H04W56/0065 ,  H04L65/4076 ,  H04W4/008 ,  H04W56/0075 ,  H04W72/0446 ,  H04W74/00 ,  H04W84/12 ,  H04W88/02

Abstract: Provided is a method for adjusting a transmission starting point of at least one second terminal through a first terminal in a wireless network. The method for adjusting the transmission starting point comprises the steps of: setting the transmission starting point of the second terminal; transmitting a first request frame including information for the transmission starting point to the second terminal; receiving the first response frame transmitted according to the transmission starting point from the second terminal; and adjusting the transmission starting point according to an arrival time of the first response frame.

Abstract translation: 提供了一种用于通过无线网络中的第一终端来调整至少一个第二终端的传输起始点的方法。 调整发送起点的方法包括以下步骤：设定第二终端的发送起点; 向所述第二终端发送包括所述发送起点的信息的第一请求帧; 从所述第二终端接收根据所述传输开始点发送的所述第一响应帧; 以及根据第一响应帧的到达时间来调整传输起始点。

公开(公告)号：WO2011025198A2

公开(公告)日：2011-03-03

申请号：PCT/KR2010005591

申请日：2010-08-23

Applicant: KOREA ELECTRONICS TELECOMM ,  CHANG KAPSEOK ,  LEE WOOYONG ,  CHUNG HYUN-KYU

Inventor： CHANG KAPSEOK ,  LEE WOOYONG ,  CHUNG HYUN-KYU

IPC: H04L27/26 ,  H04L12/56

CPC classification number: H04L27/261 ,  H04L27/2613 ,  H04L27/2692 ,  H04W56/0085 ,  H04W72/04 ,  H04W84/12

Abstract: Disclosed is a technique related to a method and apparatus for generating a preamble and a data frame for wireless communication, and to a synchronization estimation method using the preamble. According to the technique, a method for generating a frame for wireless communication is disclosed, wherein the method comprises: a step of generating a modified sequence using a first base sequence for synchronization estimation; and a step of allocating the first base sequence and the modified sequence to the frequency domain of a first timeslot to generate a preamble. The modified sequence includes a complex conjugated sequence of the first base sequence or a sequence having a code different from that of the first base sequence.

Abstract translation: 公开了一种与用于生成用于无线通信的前同步码和数据帧以及使用前同步码的同步估计方法的方法和装置相关的技术。 根据该技术，公开了一种用于生成无线通信的帧的方法，其中，所述方法包括：使用第一基本序列生成修改序列以进行同步估计的步骤; 以及将第一基本序列和修改的序列分配给第一时隙的频域以生成前导码的步骤。 修饰的序列包括第一碱基序列的复合共轭序列或具有不同于第一碱基序列的编码的序列。

公开(公告)号：CA2642017A1

公开(公告)日：2008-01-31

申请号：CA2642017

申请日：2007-07-25

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： KIM IL-GYU ,  CHANG KAPSEOK ,  YI HYOSEOK ,  KIM YOUNG-HOON ,  BANG SEUNG-CHAN ,  KO YOUNG-JO ,  PARK HYEONG-GEUN

IPC: H04L7/10

Abstract: 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.

公开(公告)号：WO2009136753A3

公开(公告)日：2012-05-10

申请号：PCT/KR2009002422

申请日：2009-05-08

Applicant: KOREA ELECTRONICS TELECOMM ,  CHANG KAPSEOK ,  KIM YOUNG-HOON ,  KIM SEONG RAG ,  WON SEUCK HO ,  KIM KEUN YOUNG

Inventor： CHANG KAPSEOK ,  KIM YOUNG-HOON ,  KIM SEONG RAG ,  WON SEUCK HO ,  KIM KEUN YOUNG

IPC: H04L27/26

CPC classification number: H04L27/2662 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2614 ,  H04L27/2657 ,  H04L27/2684

Abstract: Disclosed is an apparatus for obtaining symbol synchronization which is robust to a frequency offset in a cell search of a wireless communication system. The symbol synchronization obtaining apparatus may include a sequence generator to generate a base sequence for obtaining the symbol synchronization, a synchronization pattern generator to generate a modified sequence based on the base sequence, and to generate a synchronization pattern by combining the modified sequence and the base sequence, a frequency mapping unit to perform mapping of transmission information to a time area and a frequency area, based on the synchronization pattern, for generating a transmission frame, and a transmitting unit to transmit the transmission frame.

Abstract translation: 公开了一种用于获得对于无线通信系统的小区搜索中的频率偏移是鲁棒的符号同步的装置。 符号同步获取装置可以包括产生用于获得符号同步的基本序列的序列发生器，基于该基本序列生成修改序列的同步模式生成器，以及通过将修改的序列与基础组合来生成同步模式 序列，频率映射单元，用于基于所述同步模式来执行传输信息到时间区域和频率区域的映射，以产生传输帧;以及发送单元，用于发送所述传输帧。

公开(公告)号：WO2009020376A8

公开(公告)日：2010-03-25

申请号：PCT/KR2008004645

申请日：2008-08-08

Applicant: KOREA ELECTRONICS TELECOMM ,  SAMSUNG ELECTRONICS CO LTD ,  KO YOUNG-JO ,  PARK HYEONG-GEUN ,  KIM IL-GYU ,  CHANG KAPSEOK ,  YI HYOSEOK ,  KIM YOUNG-HOON ,  BANG SEUNG-CHAN

Inventor： KO YOUNG-JO ,  PARK HYEONG-GEUN ,  KIM IL-GYU ,  CHANG KAPSEOK ,  YI HYOSEOK ,  KIM YOUNG-HOON ,  BANG SEUNG-CHAN

IPC: H04L29/06

CPC classification number: H04J11/003 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2607 ,  H04W72/00

Abstract: 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.

Abstract translation: 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：WO2011040763A3

公开(公告)日：2011-09-15

申请号：PCT/KR2010006647

申请日：2010-09-29

Applicant: KOREA ELECTRONICS TELECOMM ,  KWON HYOUNG-JIN ,  JIN SUNG-GEUN ,  CHANG KAPSEOK ,  LEE WOO-YONG

Inventor： KWON HYOUNG-JIN ,  JIN SUNG-GEUN ,  CHANG KAPSEOK ,  LEE WOO-YONG

IPC: H04B7/14 ,  H04B7/02

CPC classification number: H04W88/04 ,  H04B7/022 ,  H04B7/0408 ,  H04B7/155 ,  H04B7/2606 ,  H04W28/18 ,  H04W76/02 ,  H04W84/12

Abstract: Disclosed is a technique relating to a method and to an apparatus for setting up a relay link in order to transmit a data frame using a relay in a wireless communication system. According to the technique, provided is a method in which a source station sets up a relay link in a wireless communication system, wherein the method comprises: a step of receiving, from an access point or a PCP, capability information of at least one or more relay support stations of the wireless communication system; a step of selecting one of the relay support stations as a relay station, using the beamforming information among the source station, a destination station and the relay support stations, and the received capability information; a step of transmitting a relay link setup request frame to the destination station; and a step of receiving, from the destination station, a relay link setup response frame containing information on the result of the relay link setup, wherein the relay link setup request frame and the relay link setup response frame pass through the relay station.

Abstract translation: 公开了一种涉及用于在无线通信系统中建立中继链路以便使用中继来发送数据帧的方法和设备的技术。 根据该技术，提供了一种方法，其中源站在无线通信系统中建立中继链路，其中该方法包括：从接入点或PCP接收至少一个或者 无线通信系统的更多中继支持站; 使用源站，目的地站和中继站支持站之间的波束形成信息以及接收到的能力信息，选择其中一个中继支持站作为中继站的步骤; 向目的地站发送中继链路建立请求帧的步骤; 以及从所述目的地站接收包含关于所述中继链路建立的结果的信息的中继链路建立响应帧，其中所述中继链路建立请求帧和所述中继链路建立响应帧经过所述中继站。

公开(公告)号：WO2009020376A2

公开(公告)日：2009-02-12

申请号：PCT/KR2008004645

申请日：2008-08-08

Applicant: KOREA ELECTRONICS TELECOMM ,  KO YOUNG-JO ,  PARK HYEONG-GEUN ,  KIM IL-GYU ,  CHANG KAPSEOK ,  YI HYOSEOK ,  KIM YOUNG-HOON ,  BANG SEUNG-CHAN

Inventor： KO YOUNG-JO ,  PARK HYEONG-GEUN ,  KIM IL-GYU ,  CHANG KAPSEOK ,  YI HYOSEOK ,  KIM YOUNG-HOON ,  BANG SEUNG-CHAN

IPC: H04L29/06

CPC classification number: H04J11/003 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2607 ,  H04W72/00

Abstract: 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.

Abstract translation: 提供了一种在无线通信系统中形成信号的方法，其中多个终端共同使用时域和频域中的资源。 该方法包括：将要发送的信号乘以与第一时隙中的第一循环移位索引对应的频域正交码符号以发送给基站，其中所述乘法由第一终端和第二终端执行; 以及在第二时隙中乘以由要与所述第一时隙的第一循环索引不同的第二循环索引对应的频域正交码符号发送到所述基站的信息，其中所述乘法是通过 第一终端和第二终端。

公开(公告)号：BRPI0823509A2

公开(公告)日：2015-06-09

申请号：BRPI0823509

申请日：2008-06-23

Applicant: KOREA ELECTRONICS TELECOMM ,  KT CORP

Inventor： KO YOUNG-JO ,  PARK HYEONG-GEUN ,  KIM IL-GYU ,  CHANG KAPSEOK ,  YI HYOSEOK ,  KIM YOUNG-HOON ,  BANG SEUNG-CHAN

IPC: H04L1/12

Abstract: Métodos e equipamento terminal para transmitir informações de controle de uplink e recebê-las em estação de base terminal. Quando uma pluralidade de terminais compartilha os mesmos recursos num sistema de comunicações sem fio e quando controlam informações tais como informações de recebimento/confirmação negativa (ack/nak) ou são transmitidas informações de programação, é exigido realizar eficientemente um método de multiplexação de divisão de código (cdm) para distinguir a pluralidade determinais. Em particular, é necessário desenvolver um método pelo qual possa ser selecionada e usada uma seqúéneia de códigos de cdm de acordo com cada condição de célula. É proporcionado um método deformação de um sinal num sistema de comunicações sem fio em que uma pluralidade de terminais comumente compartilha recursos de frequência e de tempo. O método inclui as operações de recebimento de informações de condição numa célula; selecionar uma de uma pluralidade de seqúências ortogonais de domínio de tempo tendo comprimentos diferentes, de acordo com as informações de condição; e alocar a seqüência ortogonal de domínio de tempo selecionada para um bloco de símbolos de sinal de controle.

公开(公告)号：BRPI0812566A2

公开(公告)日：2012-12-25

申请号：BRPI0812566

申请日：2008-06-23

Applicant: KOREA ELECTRONICS TELECOMM ,  KT CORP

Inventor： KO YOUNG-JO ,  PARK HYEONG-GEUN ,  KIM IL-GYU ,  CHANG KAPSEOK ,  YI HYOSEOK ,  KIM YOUNG-HOON ,  BANG SEUNG-CHAN

IPC: H04L1/12

Abstract: 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.