公开(公告)号：US08260234B2

公开(公告)日：2012-09-04

申请号：US12358881

申请日：2009-01-23

申请人： Heon-Ki Chae ,  Keun-Chul Hwang ,  Soon-Young Yoon ,  Seok-Wan Rha

发明人： Heon-Ki Chae ,  Keun-Chul Hwang ,  Soon-Young Yoon ,  Seok-Wan Rha

IPC分类号： H04B17/00

CPC分类号： H04B17/21 ,  H04B17/00 ,  H04B17/10 ,  H04B17/12 ,  H04B17/20

摘要： Apparatus and method for calibration in a multi-antenna system are provided. The method includes setting at least two transmission paths connected to antennas, respectively, as reference transmission paths, when receiving compensation signals transmitted in the reference transmission paths in at least two reception paths connected to the antennas, respectively, determining a phase difference of the reception paths using the received compensation signals, and calibrating the reception paths using the phase difference of the reception paths.

摘要翻译： 提供了一种用于多天线系统中的校准的装置和方法。 该方法包括分别在连接到天线的至少两个接收路径中接收在参考传输路径中发送的补偿信号时分别设置连接到天线的至少两个传输路径作为参考传输路径，确定接收的相位差 使用所接收的补偿信号的路径，以及使用接收路径的相位差来校准接收路径。

公开(公告)号：US20120026910A1

公开(公告)日：2012-02-02

申请号：US13196537

申请日：2011-08-02

申请人： Jae-Yun Ko ,  Soon-Young Yoon ,  Cheol Mun ,  Hee-Jin Jung

发明人： Jae-Yun Ko ,  Soon-Young Yoon ,  Cheol Mun ,  Hee-Jin Jung

IPC分类号： H04L12/26

CPC分类号： H04W72/1231 ,  H04W28/22

摘要： A scheduling method in a wireless communication includes receiving a Channel Quality Indicator (CQI) from a plurality of terminals. The method also includes determining an average transmission rate of each terminal based on the CQI by approximating an instantaneous transmission rate distribution to a Gaussian distribution. The method further includes determining a weight of each terminal such that the average transmission rate of each terminal satisfies a target transmission rate. The method also includes selecting a terminal set by applying the determined weight. Thus, it is possible to control the fairness between the terminals and to efficiently control the transmission rate of the terminals according to the required transmission rate and the channel environment of the terminals.

摘要翻译： 无线通信中的调度方法包括从多个终端接收信道质量指示符（CQI）。 该方法还包括通过近似对高斯分布的瞬时传输速率分布来基于CQI来确定每个终端的平均传输速率。 该方法还包括确定每个终端的权重，使得每个终端的平均传输速率满足目标传输速率。 该方法还包括通过应用确定的权重来选择终端机组。 因此，可以控制终端之间的公平性，并且可以根据所需的传输速率和终端的信道环境来有效地控制终端的传输速率。

公开(公告)号：US20110188388A1

公开(公告)日：2011-08-04

申请号：US12927236

申请日：2010-11-10

申请人： Jae-Yun Ko ,  Sung-Ho Lee ,  Soon-Young Yoon ,  June Moon ,  Chung-Ryul Chang ,  Sung-Woo Park ,  Seung-Won Kang ,  Ho-Joong Kwon

发明人： Jae-Yun Ko ,  Sung-Ho Lee ,  Soon-Young Yoon ,  June Moon ,  Chung-Ryul Chang ,  Sung-Woo Park ,  Seung-Won Kang ,  Ho-Joong Kwon

IPC分类号： H04W24/02

CPC分类号： H04W72/082 ,  H04J11/0053 ,  H04W52/146 ,  H04W52/346

摘要： A method and an apparatus maximize the capacity of a wireless communication network by taking into consideration inter-cell interference coordination. A home cell's capacity sensitivity to interference is calculated. At least one neighbor cell's capacity sensitivity to interference is collected. And at least one UE located in the home cell is scheduled based on the home cell's capacity sensitivity and the neighbor cell's capacity sensitivity. Accordingly, it is possible to achieve power and allocation control to maximize the capacity of the overall network including neighbor cells increase the system capacity in a cellular system in which inter-cell interference is large, and adaptively perform a UE scheduling in real time to changing distribution of UEs because information on a change in the capacity of each cell is shared by periods.

摘要翻译： 一种方法和装置通过考虑小区间干扰协调来使无线通信网络的容量最大化。 计算家庭电池容量对干扰的敏感度。 收集至少一个相邻小区的容量对干扰的敏感度。 并且基于家庭小区的容量灵敏度和相邻小区的容量灵敏度来调度位于家庭小区中的至少一个UE。 因此，可以实现功率和分配控制，以使包括邻居小区在内的整个网络的容量最大化，增加小区间干扰较大的蜂窝系统中的系统容量，并且实时自适应地执行UE调度以改变 因为关于每个小区的容量的变化的信息被周期共享的UE的分配。

公开(公告)号：US07917166B2

公开(公告)日：2011-03-29

申请号：US11947520

申请日：2007-11-29

申请人： Jae-Hee Cho ,  Heon-Ki Chae ,  Soon-Young Yoon ,  In-Seok Hwang ,  June Moon

发明人： Jae-Hee Cho ,  Heon-Ki Chae ,  Soon-Young Yoon ,  In-Seok Hwang ,  June Moon

IPC分类号： H04Q7/20

CPC分类号： H04W52/146 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0094 ,  H04W52/54

摘要： A method for controlling power in a communication system. A base station allocates Channel Quality Information Channels to at least one mobile station, transmits the allocated Channel Quality Information Channel information, and transmits power control information to the mobile station to which the Channel Quality Information Channel is allocated. And a mobile station for receives Channel Quality Information Channel allocation information, receives power control information, and detects the power control information allocated to the mobile station by using the Channel Quality Information Channel allocation information.

摘要翻译： 一种用于控制通信系统中的功率的方法。 基站向至少一个移动站分配信道质量信息信道，发送所分配的信道质量信息信道信息，并向被分配了信道质量信息信道的移动台发送功率控制信息。 以及用于接收信道质量信息信道分配信息的移动站，接收功率控制信息，并且通过使用信道质量信息信道分配信息来检测分配给移动站的功率控制信息。

公开(公告)号：US07894543B2

公开(公告)日：2011-02-22

申请号：US11942465

申请日：2007-11-19

申请人： Chung-Ryul Chang ,  Keun-Chul Hwang ,  Soon-Young Yoon ,  June Moon

发明人： Chung-Ryul Chang ,  Keun-Chul Hwang ,  Soon-Young Yoon ,  June Moon

IPC分类号： H04B7/02

CPC分类号： H04B7/0413 ,  H04B7/0854 ,  H04L5/0023 ,  H04L5/0032 ,  H04L5/0035 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0228 ,  H04L25/0242 ,  H04L27/2613 ,  H04L27/2647

摘要： Provided are an apparatus and method for canceling interference in a Broadband Wireless Access (BWA) system. The method includes estimating channel coefficient vectors of a plurality of Mobile Stations (MSs) using the same resource; computing a correlation matrix by subtracting a channel coefficient vector of a corresponding MS from a specific tone input vector within the same resource and by auto-correlating the subtracted vector; canceling interference from the data-tone input vector and the channel matrix by using the correlation matrix; and estimating a transmission symbol for each MS by performing Multiple Input Multiple Output (MIMO) detection by using the interference-cancelled input vector and the interference-cancelled channel matrix.

摘要翻译： 提供了一种用于消除宽带无线接入（BWA）系统中的干扰的装置和方法。 该方法包括使用相同的资源来估计多个移动站（MS）的信道系数向量; 通过从相同资源内的特定音调输入向量中减去对应的MS的信道系数向量并通过对相减的向量进行自相关来计算相关矩阵; 通过使用相关矩阵来消除数据音输入向量和信道矩阵的干扰; 以及通过使用干扰消除输入向量和干扰消除信道矩阵执行多输入多输出（MIMO）检测来估计每个MS的传输符号。

公开(公告)号：US07876734B2

公开(公告)日：2011-01-25

申请号：US12253186

申请日：2008-10-16

申请人： Jae-Hee Cho ,  Chung-Ryul Chang ,  Jae-Weon Cho ,  Soon-Young Yoon ,  In-Seok Hwang ,  Kwan-Hee Roh ,  Yong-Seok Kim

发明人： Jae-Hee Cho ,  Chung-Ryul Chang ,  Jae-Weon Cho ,  Soon-Young Yoon ,  In-Seok Hwang ,  Kwan-Hee Roh ,  Yong-Seok Kim

IPC分类号： H04J3/00

CPC分类号： H04L27/2656 ,  H04L5/0032 ,  H04L23/02 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/2655 ,  H04W56/0045

摘要： A system and method for transmitting/receiving a signal in a communication system are provided, in which a transmitter determines to change a transmission time of a superframe header, when a structure of a superframe is changed, determines the transmission time of the superframe header according to a result of the determination to change the transmission time of the superframe header, transmits information about the determined transmission time to a receiver, and transmits the superframe header at the determined transmission time.

摘要翻译： 提供了一种用于在通信系统中发送/接收信号的系统和方法，其中发射机确定改变超帧报头的传输时间，当超帧的结构改变时，根据超帧头的结构确定传输时间 为了改变超帧报头的传输时间的决定的结果，将关于所确定的传输时间的信息发送到接收机，并在确定的传输时间发送超帧报头。

公开(公告)号：US07860514B2

公开(公告)日：2010-12-28

申请号：US11762846

申请日：2007-06-14

申请人： Yong-Seok Kim ,  June Moon ,  Soon-Young Yoon

发明人： Yong-Seok Kim ,  June Moon ,  Soon-Young Yoon

IPC分类号： H04W74/00 ,  H04W36/00

CPC分类号： H04W28/06 ,  H04W4/06 ,  H04W92/20

摘要： A method for transmitting common control information in a wireless mobile communication system is provided. The method includes transmitting common control information by a first Base Station (BS) to a second BS and broadcasting by the second BS the common control information received from the first BS. Accordingly, transmission of the control information by the second BS saves time and frequency resources in the communication system.

摘要翻译： 提供了一种用于在无线移动通信系统中发送公共控制信息的方法。 该方法包括将第一基站（BS）的公共控制信息发送到第二BS，并由第二BS广播从第一BS接收的公共控制信息。 因此，第二BS的控制信息的发送节省了通信系统中的时间和频率资源。

公开(公告)号：US07764949B2

公开(公告)日：2010-07-27

申请号：US11433680

申请日：2006-05-12

申请人： Kyung-Joo Suh ,  Soon-Young Yoon ,  Young-Hoon Kwon ,  Yong-Seok Kim

发明人： Kyung-Joo Suh ,  Soon-Young Yoon ,  Young-Hoon Kwon ,  Yong-Seok Kim

IPC分类号： H04M1/66 ,  H04L9/32

CPC分类号： H04L63/1466 ,  H04L63/08 ,  H04W8/14 ,  H04W12/12 ,  H04W80/04

摘要： Disclosed is a method of preventing a replay attack during a handoff in a communication system using a Mobile IPv6 protocol. A mobile node creates a CoA (Care of Address) by handoff and sends the CoA to a correspondent node, thereby creating a binding entry. Upon receipt of a binding update message including a HoA and a CoA from the mobile node or an attacker, the correspondent node searches a binding cache for a binding entry having the same HoA (Home Address) and CoA as included in the binding update message. If it is determined that the binding entry has the same respective HoA and CoA as contained in the binding update message, the correspondent node checks a Used field of the binding entry. If it is determined that the Used field of the binding entry is equal to a predetermined value, the correspondent node sends a reauthentication command message to the mobile node.

摘要翻译： 公开了一种防止在使用移动IPv6协议的通信系统中切换期间的重放攻击的方法。 移动节点通过切换创建CoA（转交地址），并将CoA发送到对端节点，从而创建绑定条目。 在从移动节点或攻击者接收到包括HoA和CoA的绑定更新消息时，通信节点在绑定缓存中搜索具有包含在绑定更新消息中的相同HoA（归属地址）和CoA的绑定条目。 如果确定绑定条目具有与绑定更新消息中包含的相同的HoA和CoA，则对端节点检查绑定条目的“已使用”字段。 如果确定绑定条目的Used字段等于预定值，则对端节点向移动节点发送重新认证命令消息。

公开(公告)号：US20100182898A1

公开(公告)日：2010-07-22

申请号：US12657343

申请日：2010-01-19

申请人： Jing Li ,  Soon-Young Yoon ,  Keun-Chul Hwang ,  In-Seok Hwang ,  June Moon

发明人： Jing Li ,  Soon-Young Yoon ,  Keun-Chul Hwang ,  In-Seok Hwang ,  June Moon

IPC分类号： H04J11/00 ,  H04W72/00 ,  H04L27/06

CPC分类号： H04L27/2613 ,  H04J11/005 ,  H04J13/0062 ,  H04L5/0007 ,  H04L5/0048 ,  H04L25/0226 ,  H04L25/0228 ,  H04L27/2621 ,  H04W72/0406

摘要： A terminal is capable of transmitting an orthogonal sequence in a broadband wireless communication system. Operations of a transmitting end include generating a sequence corresponding to sequence allocation information of the transmitting end among a plurality of candidate sequences; generating a signal string corresponding to the sequence; and transmitting the signal string over a channel defined for transmission of the signal string.

摘要翻译： 终端能够在宽带无线通信系统中发送正交序列。 发送端的动作包括生成与多个候选序列中的发送结束的序列分配信息对应的序列; 产生对应于该序列的信号串; 以及通过为信号串的发送定义的信道发送信号串。

公开(公告)号：US07746951B2

公开(公告)日：2010-06-29

申请号：US11600524

申请日：2006-11-16

申请人： Keun-Chul Hwang ,  Soon-Young Yoon ,  Young-Hoon Kwon

发明人： Keun-Chul Hwang ,  Soon-Young Yoon ,  Young-Hoon Kwon

IPC分类号： H04B7/02

CPC分类号： H04B7/0848 ,  H04B7/0413 ,  H04L25/067

摘要： A Log-Likelihood Ratio (LLR) generating apparatus and method in a communication system using a spatial multiplexing scheme. The reception method includes acquiring at least one estimated transmit vector by demodulating a receive vector using at least one Multiple Input Multiple Output (MIMO) detection process; selecting one of the at least one estimated transmit vector as an optimum estimated transmit vector; calculating LLRs with respect to the optimum estimated transmit vector; calculating a weight to be applied to each of elements constructing the optimum estimated transmit vector; and applying the weight to each of the calculated LLRs. Accordingly, the present invention can generate the LLRs with high reliability similar to the LLRs of a Maximum Likelihood receiver by applying the weight to the LLRs generated from the estimated transmit vector.

摘要翻译： 在使用空间复用方案的通信系统中的对数似然比（LLR）生成装置和方法。 接收方法包括：使用至少一个多输入多输出（MIMO）检测过程来解调接收向量来获取至少一个估计的发射矢量; 选择所述至少一个估计的发射矢量中的一个作为最佳估计的发射矢量; 相对于最佳估计传输矢量计算LLR; 计算要应用于构成最佳估计传输矢量的每个元素的权重; 并且将权重应用于每个所计算的LLR。 因此，本发明可以通过将权重应用于从所估计的发送向量生成的LLR，来生成与最大似然接收机的LLR相似的高可靠性的LLR。