公开(公告)号：US20050007983A1

公开(公告)日：2005-01-13

申请号：US10840584

申请日：2004-05-06

申请人： Jong-Hyeuk Lee ,  Yung-Soo Kim ,  Gi-Hong Im ,  Hui-Chul Won ,  Cheol-Jin Park

发明人： Jong-Hyeuk Lee ,  Yung-Soo Kim ,  Gi-Hong Im ,  Hui-Chul Won ,  Cheol-Jin Park

IPC分类号： H04J11/00 ,  H04B7/06 ,  H04L1/06 ,  H04L25/02 ,  H04L27/26 ,  H04Q7/00

CPC分类号： H04L27/2602 ,  H04B7/0669 ,  H04L1/0618 ,  H04L25/0204 ,  H04L25/022

摘要： A mobile communication system, a transmitter includes a first transmission antenna and a second transmission antenna, and the first and second transmission antennas transmit signals through at least one odd carrier and at least one even carrier. The transmitter determines a first symbol and a second symbol to be used for initial channel estimation of a receiver, encodes the first symbol and the second symbol by a preset transmit diversity scheme for a preset time, and transmits the encoded first and second symbols to the receiver through odd carriers and even carriers of the first transmission antenna and the second transmission antenna. The receiver receives a signal for the preset period, estimates channel frequency responses of odd carriers of the first transmission antenna and channel frequency responses of even carriers of the second transmission antenna, and estimates channel frequency responses of even carriers of the first transmission antenna and channel frequency responses of odd carriers of the second transmission antenna by using the estimated channel frequency responses.

摘要翻译： 移动通信系统，发射机包括第一发射天线和第二发射天线，第一和第二发射天线通过至少一个奇数载波和至少一个偶数载波发射信号。 发射机确定要用于接收机的初始信道估计的第一符号和第二符号，通过预设的发射分集方案对第一符号和第二符号进行预设时间编码，并将编码的第一和第二符号发送到 接收机通过第一发射天线和第二发射天线的奇数载波和偶数载波。 接收机接收预设周期的信号，估计第一发射天线的奇数载波的信道频率响应和第二发射天线的偶数载波的信道频率响应，并估计第一发射天线和信道的偶数载波的信道频率响应 通过使用估计的信道频率响应对第二发射天线的奇数载波的频率响应。

公开(公告)号：US07535970B2

公开(公告)日：2009-05-19

申请号：US10924463

申请日：2004-08-23

申请人： Chang-Soon Park ,  Kwang-Bok Lee ,  Yung-Soo Kim ,  Jong-Hyeuk Lee ,  Sung-Jin Kim

发明人： Chang-Soon Park ,  Kwang-Bok Lee ,  Yung-Soo Kim ,  Jong-Hyeuk Lee ,  Sung-Jin Kim

IPC分类号： H04L27/00

CPC分类号： H04B7/061 ,  H04B7/0669 ,  H04W52/42

摘要： Disclosed is a wireless communication apparatus and method for a multiple transmit and receive antenna system using multiple codes. In suggested detection algorithm, a successive interference cancellation (SIC) scheme is employed in both an antenna domain and a code domain by successively canceling multi-code interference (MCI). An effective transmit power allocation method suitable for the detection algorithm is suggested. Transmit power allocated to each code is calculated. The transmit power is determined as a simple ratio of power of a certain signal to power of a next code signal. Based on the calculated code transmit power, transmit power for each transmit antenna is allocated. Thus, information about transmit power calculated at a receive end is feedback to a transmit end through a feedback channel.

摘要翻译： 公开了一种使用多个码的多发射和接收天线系统的无线通信装置和方法。 在建议的检测算法中，通过连续取消多码干扰（MCI），在天线域和码域中采用连续干扰消除（SIC）方案。 建议适用于检测算法的有效发射功率分配方法。 计算分配给每个代码的发射功率。 发送功率被确定为特定信号的功率与下一个码信号的功率的简单比率。 基于计算出的码发射功率，分配每个发射天线的发射功率。 因此，在接收端计算的关于发射功率的信息通过反馈信道反馈到发射端。

公开(公告)号：US20070206691A1

公开(公告)日：2007-09-06

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： H04K1/10

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：US07206353B2

公开(公告)日：2007-04-17

申请号：US10225420

申请日：2002-08-22

申请人： Sung-Jin Kim ,  Ki-Ho Kim ,  Hyeon-Woo Lee ,  Yong-Suk Lee ,  Jong-Hyeuk Lee ,  Yung-Soo Kim

发明人： Sung-Jin Kim ,  Ki-Ho Kim ,  Hyeon-Woo Lee ,  Yong-Suk Lee ,  Jong-Hyeuk Lee ,  Yung-Soo Kim

IPC分类号： H04L7/02 ,  H04L27/36 ,  H04B7/02 ,  H04B7/08

CPC分类号： H04B7/0634 ,  H04B7/086

摘要： A mobile communication apparatus having an antenna array and a mobile communication method performed in the mobile communication apparatus, wherein the mobile communication apparatus includes a base station and mobile station, each having an antenna array. The mobile station measures the downlink characteristics of a channel for each antenna from a signal received from a base station, determines long-term information in which the correlation property of the channel for each antenna has been reflected from the measured downlink characteristics, transforms the long-term information into a feedback signal, and transmits the feedback signal to the base station. The base station receives the feedback signal, restores the long-term information from the received feedback signal, performs basis mapping and basis transformation on a dedicated physical channel signal using the restored long-term information, adds the basis-mapped and basis-transformed signal to each of pilot channel signals, and transmits the addition results to the mobile station.

摘要翻译： 一种具有在移动通信装置中执行的天线阵列和移动通信方法的移动通信装置，其中移动通信装置包括基站和移动台，每个基站和移动台具有天线阵列。 移动台根据从基站接收到的信号测量每个天线的信道的下行链路特性，确定其中每个天线的信道的相关属性已经从测量的下行链路特性反映的长期信息， 将信息输入到反馈信号中，并将反馈信号发送到基站。 基站接收反馈信号，从接收到的反馈信号中恢复长期信息，使用恢复的长期信息对专用物理信道信号执行基础映射和基变换，将基准映射和基准变换信号 对每个导频信道信号，并将相加结果发送给移动台。

公开(公告)号：US20050111566A1

公开(公告)日：2005-05-26

申请号：US10924463

申请日：2004-08-23

申请人： Chang-Soon Park ,  Kwang-Bok Lee ,  Yung-Soo Kim ,  Jong-Hyeuk Lee ,  Sung-Jin Kim

发明人： Chang-Soon Park ,  Kwang-Bok Lee ,  Yung-Soo Kim ,  Jong-Hyeuk Lee ,  Sung-Jin Kim

IPC分类号： H04B7/005 ,  H04B7/06 ,  H04L27/00

CPC分类号： H04B7/061 ,  H04B7/0669 ,  H04W52/42

摘要： Disclosed is a wireless communication apparatus and method for a multiple transmit and receive antenna system using multiple codes. In suggested detection algorithm, a successive interference cancellation (SIC) scheme is employed in both an antenna domain and a code domain by successively canceling multi-code interference (MCI). An effective transmit power allocation method suitable for the detection algorithm is suggested. Transmit power allocated to each code is calculated. The transmit power is determined as a simple ratio of power of a certain signal to power of a next code signal. Based on the calculated code transmit power, transmit power for each transmit antenna is allocated. Thus, information about transmit power calculated at a receive end is feedback to a transmit end through a feedback channel.

摘要翻译： 公开了一种使用多个码的多发射和接收天线系统的无线通信装置和方法。 在建议的检测算法中，通过连续取消多码干扰（MCI），在天线域和码域中采用连续干扰消除（SIC）方案。 建议适用于检测算法的有效发射功率分配方法。 计算分配给每个代码的发射功率。 发送功率被确定为特定信号的功率与下一个码信号的功率的简单比率。 基于计算出的码发射功率，分配每个发射天线的发射功率。 因此，在接收端计算的关于发射功率的信息通过反馈信道反馈到发射端。

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：US09420604B2

公开(公告)日：2016-08-16

申请号：US12075960

申请日：2008-03-14

申请人： In-Soo Hwang ,  Yung-Soo Kim ,  Young-Ho Jung ,  Sang-Woon Jeon ,  Sae-Young Chung

发明人： In-Soo Hwang ,  Yung-Soo Kim ,  Young-Ho Jung ,  Sang-Woon Jeon ,  Sae-Young Chung

IPC分类号： H04L1/00 ,  H04W72/12 ,  H04B7/04 ,  H04B7/06 ,  H04B17/24 ,  H04L1/06

CPC分类号： H04W72/1284 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0647 ,  H04B17/24 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0618 ,  H04L2001/0093 ,  H04W72/1231

摘要： An apparatus and method for downlink scheduling in a multi antenna wireless communication system are provided. The apparatus includes a receiver for receiving channel information of at least one mobile station that is selected as an active user by a base station, a judgment unit for judging whether it feeds back its own channel information using the channel information of the selected at least one mobile station, and a transmitter for transmitting the its own channel information to the base station according to judgment of the judgment unit.

摘要翻译： 提供了一种用于多天线无线通信系统中的下行链路调度的装置和方法。 该装置包括接收机，用于接收由基站选择为活动用户的至少一个移动台的信道信息;判断单元，用于使用所选择的至少一个的信道信息来判断是否反馈其自己的信道信息 移动站，以及根据判断单元的判断将其自己的信道信息发送到基站的发射机。

公开(公告)号：US09414403B2

公开(公告)日：2016-08-09

申请号：US13165202

申请日：2011-06-21

申请人： Ok-Seon Lee ,  Soeng-Hun Kim ,  Yung-Soo Kim ,  Kyeong-In Jeong

发明人： Ok-Seon Lee ,  Soeng-Hun Kim ,  Yung-Soo Kim ,  Kyeong-In Jeong

IPC分类号： H04W72/12 ,  H04W74/00 ,  H04L1/18

CPC分类号： H04W72/1268 ,  H04L1/1829 ,  H04L1/1861 ,  H04W52/0209 ,  H04W74/008 ,  Y02D70/1262

摘要： A system and a method minimize power consumption, signalling overhead, and processing load in blind scheduling in a mobile communication system. A User Equipment (UE) detects a type of an uplink (UL) grant while it is periodically allocated the UL grant. If there is no data to transmit using the UL grant, the UE determines whether to transmit a padding Medium Access Control (MAC) Protocol Data Unit (PDU) to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB) using the UL grant according to the type of the UL grant.

摘要翻译： 系统和方法在移动通信系统中最小化功耗，信令开销和盲调度中的处理负荷。 当UE周期性地分配UL授权时，用户设备（UE）检测上行链路（UL）授权的类型。 如果没有使用UL授权进行发送的数据，则UE确定是否将发送的媒体接入控制（MAC）协议数据单元（PDU）发送到演进的通用陆地无线电接入网络（E-UTRAN）节点B（eNB） 根据UL授权的类型使用UL授权。

公开(公告)号：US09414390B2

公开(公告)日：2016-08-09

申请号：US13330176

申请日：2011-12-19

申请人： Yung-Soo Kim

发明人： Yung-Soo Kim

IPC分类号： H04B1/00 ,  H04W72/04 ,  H04W24/10

CPC分类号： H04W72/048 ,  H04W24/10

摘要： A method and apparatus for multi-cell cooperative transmission are provided, for increasing the capacity of an MS at a cell edge through cooperation among a plurality of adjacent cells or BSs each having a plurality of antennas. The present invention improves Coordinated Multi Point (CoMP) performance due to simple CoMP implementation and reduced backhaul overhead and delay, and enables simple implementation of a CoMP resource allocation process and reduces handover overhead by eliminating handover between CoMP processing units.

摘要翻译： 提供了一种用于多小区协作传输的方法和装置，用于通过在具有多个天线的多个相邻小区或BS之间的协作来增加小区边缘处的MS的容量。 本发明通过简单的CoMP实现和减少的回程开销和延迟来改进协调多点（CoMP）性能，并且能够简单实现CoMP资源分配过程，并通过消除CoMP处理单元之间的切换来减少切换开销。

公开(公告)号：US09113379B2

公开(公告)日：2015-08-18

申请号：US12175949

申请日：2008-07-18

申请人： Young-Ho Jung ,  Yung-Soo Kim ,  Myeon-Kyun Cho ,  Dai-Kwan Kim

发明人： Young-Ho Jung ,  Yung-Soo Kim ,  Myeon-Kyun Cho ,  Dai-Kwan Kim

IPC分类号： H04W36/00 ,  H04W36/04

CPC分类号： H04W36/0061 ,  H04W36/04 ,  Y02D70/00

摘要： A handover apparatus and method in a communication system having a macro BS and a plurality of micro BSs in one cell are provided. A handover apparatus includes a macro BS for generating a plurality of messages, each messages respectively corresponds to one of a plurality of group areas defined by grouping service areas of the micro BSs and includes information about BSs to which MSs of the group area can perform handover. The macro BS also generates group area information indicating locations of the group areas, broadcasts the plurality of messages and the group area information to the cell, and manages handover of MSs based on the plurality of messages and the group area information.

摘要翻译： 提供了具有一个小区中的宏BS和多个微BS的通信系统中的切换装置和方法。 切换装置包括用于生成多个消息的宏BS，每个消息分别对应于通过分组微BS的服务区域而定义的多个组区域中的一个，并且包括关于组的区域的MS可以执行切换的BS的信息 。 宏BS还生成指示组区域的位置，广播多个消息和组区域信息到小区的组区域信息，并且基于多个消息和组区域信息来管理MS的切换。