公开(公告)号：US07808954B2

公开(公告)日：2010-10-05

申请号：US11603652

申请日：2006-11-22

申请人： Seung-Hoon Nam ,  Cheol-Woo You ,  In-Soo Hwang ,  Yung-Soo Kim ,  Tarokh Vahid

发明人： Seung-Hoon Nam ,  Cheol-Woo You ,  In-Soo Hwang ,  Yung-Soo Kim ,  Tarokh Vahid

IPC分类号： H04B7/216

CPC分类号： H04L1/0021 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0025

摘要： A system and method are provided for controlling a data rate in a communication system. A transmitter sets threshold values for classifying Modulation and Coding Scheme (MCS) levels. When receiving information about an MCS level desired to be used in the receiver, the transmitter sets an MCS level to be actually used in the receiver and transmits information about the set MCS level to the receiver. When detecting that the information is to be transmitted to the transmitter, the receiver computes instantaneous link capacity using a channel estimation result, sets an MCS level mapped to the instantaneous link capacity, and transmits information about the set MCS level to the transmitter. The receiver receives the information about the MCS level to be actually used from the transmitter.

摘要翻译： 提供了一种用于控制通信系统中的数据速率的系统和方法。 发射机设置用于分类调制和编码方案（MCS）级别的阈值。 当接收到有关希望在接收机中使用的MCS级别的信息时，发射机设置在接收机中实际使用的MCS级别，并将关于所设置的MCS级别的信息发送给接收机。 当检测到要将信息发送到发射机时，接收机使用信道估计结果计算瞬时链路容量，设置映射到瞬时链路容量的MCS级别，并将关于所设置的MCS级别的信息发送到发射机。 接收机从发射机接收关于实际使用的MCS级别的信息。

公开(公告)号：US07706351B2

公开(公告)日：2010-04-27

申请号：US11703266

申请日：2007-02-07

申请人： Cheol-Woo You ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Joo-Hwan Chun ,  Kyung-Chun Lee ,  Yung-Soo Kim

发明人： Cheol-Woo You ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Joo-Hwan Chun ,  Kyung-Chun Lee ,  Yung-Soo Kim

IPC分类号： H04B7/208

CPC分类号： H04L25/03343 ,  H04L5/023 ,  H04L25/0226 ,  H04L2025/03802

摘要： Disclosed is a method for transmitting an uplink signal by a mobile station in a mobile communication system using an OFDMA scheme. The method includes estimating a downlink channel status by using a signal received from a base station; determining a precoding matrix by using the estimated downlink channel status; and transmitting a signal obtained by multiplying an uplink signal to be transmitted by the precoding matrix to the base station.

摘要翻译： 公开了一种移动台在使用OFDMA方案的移动通信系统中发送上行链路信号的方法。 该方法包括：使用从基站接收的信号来估计下行链路信道状态; 通过使用所估计的下行链路信道状态来确定预编码矩阵; 并且将通过预编码矩阵发送的上行链路信号乘以基站而获得的信号。

公开(公告)号：US20080109618A1

公开(公告)日：2008-05-08

申请号：US11983106

申请日：2007-11-07

申请人： Dong-Ho Kim ,  Yung-Soo Kim ,  Cheol-Woo You ,  Hong-Yeop Song ,  Dae-Son Kim ,  Hyun-Young Oh

发明人： Dong-Ho Kim ,  Yung-Soo Kim ,  Cheol-Woo You ,  Hong-Yeop Song ,  Dae-Son Kim ,  Hyun-Young Oh

IPC分类号： G06F12/06

CPC分类号： H04L1/0071 ,  H03M13/275 ,  H03M13/2757 ,  H03M13/2771 ,  H03M13/2775 ,  H03M13/2957 ,  H03M13/6561

摘要： Provided is a parallel interleaving method and apparatus. The parallel interleaving method includes dividing input information bits into a predetermined number of sub-blocks and interleaving the information bits divided into the sub-blocks according to a predetermined first interleaving rule.

摘要翻译： 提供一种并行交错方法和装置。 并行交错方法包括将输入信息比特划分成预定数量的子块，并根据预定的第一交错规则交织分成子块的信息比特。

公开(公告)号：US20070220399A1

公开(公告)日：2007-09-20

申请号：US11703595

申请日：2007-02-07

申请人： Dong-Ho Kim ,  Cheol-Woo You ,  Yung-Soo Kim ,  Ye-Hoon Lee

发明人： Dong-Ho Kim ,  Cheol-Woo You ,  Yung-Soo Kim ,  Ye-Hoon Lee

IPC分类号： H03M13/00

CPC分类号： H04L1/1819 ,  H04L1/0057 ,  H04L1/0069 ,  H04L1/0071 ,  H04L1/1816 ,  H04L1/1887

摘要： A transmission method based on a Hybrid Automatic Repeat Request (HARQ) scheme for in a communication system. A codeword is generated using a Low Density Parity Check (LDPC) code. Parity bits of the codeword are classified on a basis of a transmission priority. Parity bits with an identical transmission priority are grouped. An information bit group of the codeword and parity bit groups with the identical transmission priority are shuffled in a predefined pattern. A packet is generated from the shuffled information bit group and the shuffled parity bit groups based on the transmission priority. The generated packet is retransmitted in response to a retransmission request. The transmission method can obtain the effect of channel interleaving by setting a transmission priority according to importance of puncturing target blocks, shuffling blocks with the same priority, and shuffling and transmitting bits configuring each block.

摘要翻译： 一种基于用于通信系统中的混合自动重传请求（HARQ）方案的传输方法。 使用低密度奇偶校验（LDPC）码生成码字。 基于传输优先级对码字的奇偶校验位进行分类。 具有相同传输优先级的奇偶校验位被分组。 具有相同发送优先级的码字和奇偶校验比特组的信息比特组以预定义的模式进行混洗。 根据传输优先级，从混洗信息位组和混洗奇偶校验位组生成分组。 响应于重传请求重传生成的分组。 发送方法可以根据删除目标块，具有相同优先级的混洗块的重要性，以及配置每个块的混洗和发送比特来设置传输优先级，来获得信道交织的效果。

公开(公告)号：US20070092014A1

公开(公告)日：2007-04-26

申请号：US11543492

申请日：2006-10-05

申请人： Jae-Kwon Kim ,  Ye-Hoon Lee ,  Yung-Soo Kim ,  Cheol-Woo You ,  Dong-Ho Kim

发明人： Jae-Kwon Kim ,  Ye-Hoon Lee ,  Yung-Soo Kim ,  Cheol-Woo You ,  Dong-Ho Kim

IPC分类号： H04K1/10

CPC分类号： H04L25/03159 ,  H04L5/023 ,  H04L2025/03414 ,  H04L2025/03445 ,  H04L2025/03522

摘要： Provided is a two-dimensional equalization method in a receiver of a communication system using an Orthogonal Frequency Division Multiple Access (OFDMA) scheme. The receiver sets as a first value a value of a 1-tap frequency domain equalizer (FEQ) corresponding to a sub-channel allocated to the receiver , and sets as a second value a value of a 1-tap FEQ corresponding to sub-channels other than the allocated sub-channel. Upon receipt of a signal, the receiver performs Fast Fourier Transform (FFT) on the received signal, and equalizes the FFT-processed signal according to the values of the 1-tap FEQs.

摘要翻译： 提供了一种使用正交频分多址（OFDMA）方案的通信系统的接收机中的二维均衡方法。 接收机将与分配给接收机的子信道相对应的1抽头频域均衡器（FEQ）的值设为第1值，并将与子信道对应的1抽头FEQ的值设定为第2值 除了分配的子通道。 在接收到信号时，接收机对接收到的信号执行快速傅立叶变换（FFT），并根据1抽头FEQ的值对经FFT处理的信号进行均衡。

公开(公告)号：US07817592B2

公开(公告)日：2010-10-19

申请号：US11030397

申请日：2005-01-06

申请人： Sang-Boh Yun ,  Sung-Hyun Cho ,  Yung-Soo Kim ,  Eung-Sun Kim ,  Yeon-Woo Lee ,  Stephen McLaughlin

发明人： Sang-Boh Yun ,  Sung-Hyun Cho ,  Yung-Soo Kim ,  Eung-Sun Kim ,  Yeon-Woo Lee ,  Stephen McLaughlin

IPC分类号： H04W4/00

CPC分类号： H04W16/32 ,  H04W16/28

摘要： A cellular communication system and method supporting both a time division duplexing (TDD) scheme and a frequency division duplexing (FDD) scheme. The apparatus includes a plurality of mobile stations, at least three first fixed stations communicate with the mobile station based on the FDD scheme, the first fixed station defining respective macro cells that are contiguous and form a virtual cell, and a cluster including at least one second fixed station communicating with the mobile stations based on the TDD scheme, the second fixed station defining a micro cell in the virtual cell.

摘要翻译： 一种支持时分双工（TDD）方案和频分双工（FDD）方案的蜂窝通信系统和方法。 所述装置包括多个移动站，至少三个第一固定站基于所述FDD方案与所述移动站进行通信，所述第一固定站定义相邻的宏小区，并且形成虚拟小区，以及包括至少一个 第二固定站基于TDD方案与移动站通信，第二固定站在虚拟小区中定义微小区。

公开(公告)号：US20050163097A1

公开(公告)日：2005-07-28

申请号：US11039087

申请日：2005-01-19

申请人： Mi-Sun Do ,  Yung-Soo Kim ,  Sang-Boh Yun ,  Sung-Hyun Cho ,  Sang-Hoon Lee ,  Won-Hyoung Park

发明人： Mi-Sun Do ,  Yung-Soo Kim ,  Sang-Boh Yun ,  Sung-Hyun Cho ,  Sang-Hoon Lee ,  Won-Hyoung Park

IPC分类号： H04B7/26 ,  H04L12/56 ,  H04W36/10 ,  H04W36/18 ,  G06F15/16

CPC分类号： H04W36/18 ,  H04W36/10

摘要： A wideband radio access network system in which a predetermined MN is wirelessly connected to a CN through a first IR and a second IR neighboring the first IR is tunneled to the first IR, to transmit data from the MN to the CN through at least one IR. The MN transmits data to the first and second IRs, and if at least one IR receives the data normally, the at least one IR transmits the received data to the CN through the first IR.

摘要翻译： 一种宽带无线电接入网系统，其中预定MN通过第一IR无线连接到CN，并且与第一IR相邻的第二IR被隧道传送到第一IR，通过至少一个IR将数据从MN发送到CN 。 MN向第一和第二IR发送数据，并且如果至少一个IR正常接收到数据，则至少一个IR通过第一IR将接收到的数据发送到CN。

公开(公告)号：US07599694B2

公开(公告)日：2009-10-06

申请号：US11451880

申请日：2006-06-12

申请人： Jong-Hyung Kwun ,  Chi-Hyun Park ,  Yung-Soo Kim ,  Sung-Hyun Cho ,  Ok-Seon Lee ,  Jung-Hoon Cheon

发明人： Jong-Hyung Kwun ,  Chi-Hyun Park ,  Yung-Soo Kim ,  Sung-Hyun Cho ,  Ok-Seon Lee ,  Jung-Hoon Cheon

IPC分类号： H04W36/00

CPC分类号： H04W36/18 ,  H04B7/022

摘要： Disclosed is a method for transmitting an uplink data during handoff. A method for transmitting uplink data in a soft handoff system, in which a mobile station is simultaneously connected with at least two base transceiver systems under a control of a base station controller, includes selecting one of the base transceiver systems as a main base transceiver system, transmitting uplink signals to the main base transceiver system and sub-base transceiver systems, and transmitting by the sub-base transceiver systems received uplink signals to the main base transceiver system. Through the method, a main BTS for diversity combining and decoding soft bit strings is established among BTSs connected to a mobile station, so that it is possible to distribute a data processing amount centralized on a BSC to a BTS.

摘要翻译： 公开了一种在切换期间发送上行链路数据的方法。 一种用于在软切换系统中发送上行链路数据的方法，其中移动台在基站控制器的控制下与至少两个基站收发器系统同时连接，包括：选择基站收发器系统之一作为主基站收发信机系统 将上行链路信号发送到主基站收发信机系统和子基站收发信机系统，并由子基站收发信机发送接收的上行信号给主基站收发信机。 通过该方法，在连接到移动站的BTS之间建立用于分集组合和解码软比特串的主BTS，从而可以将集中在BSC上的数据处理量分配给BTS。

公开(公告)号：US20050174954A1

公开(公告)日：2005-08-11

申请号：US11030397

申请日：2005-01-06

申请人： Sang-Boh Yun ,  Sung-Hyun Cho ,  Yung-Soo Kim ,  Eung-Sun Kim ,  Yeon-Woo Lee ,  Stephen McLaughlin

发明人： Sang-Boh Yun ,  Sung-Hyun Cho ,  Yung-Soo Kim ,  Eung-Sun Kim ,  Yeon-Woo Lee ,  Stephen McLaughlin

IPC分类号： H04W16/28 ,  H04W16/32 ,  H04B7/00

CPC分类号： H04W16/32 ,  H04W16/28

摘要： A cellular communication system and method supporting both a time division duplexing (TDD) scheme and a frequency division duplexing (FDD) scheme. The apparatus includes a plurality of mobile stations, at least three first fixed stations communicate with the mobile station based on the FDD scheme, the first fixed station defining respective macro cells that are contiguous and form a virtual cell, and a cluster including at least one second fixed station communicating with the mobile stations based on the TDD scheme, the second fixed station defining a micro cell in the virtual cell.

摘要翻译： 一种支持时分双工（TDD）方案和频分双工（FDD）方案的蜂窝通信系统和方法。 所述装置包括多个移动站，至少三个第一固定站基于所述FDD方案与所述移动站进行通信，所述第一固定站定义相邻的宏小区，并形成虚拟小区，以及包括至少一个 第二固定站基于TDD方案与移动站通信，第二固定站在虚拟小区中定义微小区。

公开(公告)号：US07426204B2

公开(公告)日：2008-09-16

申请号：US11173626

申请日：2005-07-01

申请人： Sang-Hoon Lee ,  Mi-Sun Do ,  Sung-Hyun Cho ,  Yung-Soo Kim

发明人： Sang-Hoon Lee ,  Mi-Sun Do ,  Sung-Hyun Cho ,  Yung-Soo Kim

IPC分类号： H04J3/06

CPC分类号： H04L27/2602

摘要： Disclosed is a symbol synchronization method in an OFDM-based communication system which includes multiple access nodes supporting wireless connection of terminals, supports multi-connection of each terminal for the access nodes and performs synchronization by means of a cyclic prefix. The symbol synchronization method includes monitoring connection of a new access node; setting a number of times by which the new access node transmits equal symbols and a number of times by which at least one existing access node transmits the equal symbols when the connection of the new access node is detected; transmitting the equal symbols by the determined number of times by each access node; and performing synchronization by means of the symbols received from the access nodes by the terminal.

摘要翻译： 公开了一种基于OFDM的通信系统中的符号同步方法，其包括支持终端的无线连接的多个接入节点，支持接入节点的每个终端的多连接，并通过循环前缀进行同步。 符号同步方法包括监视新接入节点的连接; 设置新接入节点在检测到新的接入节点的连接时发送相等符号的次数和多个次数，通过该次数至少一个现有的接入节点发送相等的符号; 通过每个接入节点发送所确定的相等符号次数; 并通过终端从接入节点接收的符号来执行同步。