公开(公告)号：US20050084035A1

公开(公告)日：2005-04-21

申请号：US10932854

申请日：2004-09-02

申请人： Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Ho-Jin Kim ,  Sang-Boh Yun

发明人： Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Ho-Jin Kim ,  Sang-Boh Yun

IPC分类号： H04L27/04 ,  H04L27/26

CPC分类号： H04L27/2657 ,  H04L27/2613 ,  H04L27/2662

摘要： In an MCM communication system in which one frame includes at least one pilot symbol of a predetermined length and at least one data symbol of the predetermined length, to transmit the pilot symbol for time synchronization and frequency synchronization, a first pilot sequence of a length shorter than the predetermined length is generated, and a second pilot sequence of a length shorter than the predetermined length is generated. Here, the second pilot sequence is different from the first pilot sequence. The first and second pilot sequences are repeated a predetermined number of times. The pilot symbol is generated by combining the repeated first and second pilot sequences, and then transmitted.

摘要翻译： 在其中一帧包括预定长度的至少一个导频符号和预定长度的至少一个数据符号的MCM通信系统中，为了发送用于时间同步和频率同步的导频符号，发送长度较短的第一导频序列 产生预定长度，并且产生长度短于预定长度的第二导频序列。 这里，第二导频序列与第一导频序列不同。 第一和第二导频序列重复预定次数。 通过组合重复的第一和第二导频序列来生成导频符号，然后发送。

公开(公告)号：US20050025093A1

公开(公告)日：2005-02-03

申请号：US10909080

申请日：2004-07-30

申请人： Sang-Boh Yun ,  Yung-Soo Kim ,  Ki-Ho Kim

发明人： Sang-Boh Yun ,  Yung-Soo Kim ,  Ki-Ho Kim

IPC分类号： H04B7/204 ,  H04L5/14 ,  H04W72/04 ,  H04J3/00

CPC分类号： H04L5/14 ,  H04L5/0007 ,  H04W74/02 ,  H04W76/10

摘要： A multiple access method in a wireless communication system using a plurality of multiple access techniques is provided. When a call is established with a wireless terminal, the terminal transmits a duplexing mode determination factor to the base station to set a time or frequency division duplexing mode for reverse transmission and determine access and hopping modes according to each of the division duplexing modes, and establishes forward and reverse channels according to the set time or frequency division duplexing mode for reverse transmission to communicate with the base station. The base station receives the duplexing mode determination factor from the terminal, sets a time or frequency division duplexing mode for reverse transmission and sets a time division duplexing mode for forward transmission based on the received factor, and determines frequency hopping and multiple access modes to communicate with the terminal according to the determined frequency and multiple access modes.

摘要翻译： 提供了一种使用多种多址技术的无线通信系统中的多址方式。 当与无线终端建立呼叫时，终端向基站发送双工模式确定因子以设置用于反向传输的时间或频分双工模式，并根据每个分割双工模式确定接入和跳频模式，以及 根据设置的时间或频分双工模式建立正向和反向信道，用于反向传输与基站进行通信。 基站从终端接收双工模式确定因子，设置反向传输的时间或频分双工模式，并根据接收到的因子设置正向传输的时分双工模式，并确定跳频和多种接入模式进行通信 与终端根据确定的频率和多种接入模式。

公开(公告)号：US09001704B2

公开(公告)日：2015-04-07

申请号：US12454828

申请日：2009-05-22

申请人： Seung-Hee Han ,  Sung-Yoon Jung ,  Sang-Boh Yun ,  Joo-Hyun Lee

发明人： Seung-Hee Han ,  Sung-Yoon Jung ,  Sang-Boh Yun ,  Joo-Hyun Lee

IPC分类号： H04B7/00 ,  H03G3/30 ,  H04B1/10

CPC分类号： H03G3/3068 ,  H04B1/1027 ,  H04B7/15535

摘要： An apparatus and method for adaptively adjusting a target Received Signal Strength Indicator (RSSI) for Automatic Gain Control (AGC) in a full-duplex relay apparatus with an interference cancellation function. A Signal to Interference Ratio (SIR) estimation block estimates an SIR based on an interference signal estimated from a received signal and an interference-cancelled signal determined by cancelling the estimated interference signal from the received signal. A target RSSI determination block determines a target RSSI according to the estimated SIR. An AGC block adjusts a gain for the received signal based on the determined target RSSI.

公开(公告)号：US08472962B2

公开(公告)日：2013-06-25

申请号：US12766288

申请日：2010-04-23

申请人： II-Whan Kim ,  Sang-Boh Yun ,  Sung-Soo Hwang ,  Dae-Sik Hong ,  Sung-Soo Park

发明人： II-Whan Kim ,  Sang-Boh Yun ,  Sung-Soo Hwang ,  Dae-Sik Hong ,  Sung-Soo Park

IPC分类号： H04W36/00 ,  H04W72/00 ,  H04W4/00

CPC分类号： H04W24/02 ,  H04W72/00 ,  H04W72/04 ,  H04W84/045 ,  H04W88/08

摘要： An apparatus and method for mitigating inter-cell interference in a macro Base Station (BS) of a wireless communication system having at least one femto cell are provided. The method includes restricting the use of at least one code among at least one available code when forming a beam by resource block, constructing a codebook set for each resource block, when feedback information is received from at least one Mobile Station (MS), allocating a resource to the MS in consideration of the feedback information, determining a weight for forming a beam to the MS in consideration of the codebook set for each resource block and the resource allocated to the MS, and forming the beam to the MS using the weight.

摘要翻译： 提供了一种用于减轻具有至少一个毫微微小区的无线通信系统的宏基站（BS）中的小区间干扰的装置和方法。 该方法包括：当从至少一个移动台（MS）接收到反馈信息时，在通过资源块形成波束时，在至少一个可用代码中限制使用至少一个代码，为每个资源块构建码本集合，分配 考虑到反馈信息给MS的资源，考虑到针对每个资源块设置的码本和分配给MS的资源，确定用于向MS形成波束的权重，并且使用权重向MS建立波束 。

公开(公告)号：US08432986B2

公开(公告)日：2013-04-30

申请号：US12004112

申请日：2007-12-20

申请人： Joo-Hyun Lee ,  Sang-Boh Yun ,  Yong-Soo Cho ,  Jae-Kwon Kim ,  Tae-Ho Im

发明人： Joo-Hyun Lee ,  Sang-Boh Yun ,  Yong-Soo Cho ,  Jae-Kwon Kim ,  Tae-Ho Im

IPC分类号： H04B7/02

CPC分类号： H04L25/03171 ,  H04B7/0854 ,  H04L25/067 ,  H04L27/38 ,  H04L2025/03426

摘要： An apparatus and method for receiving signals in a multiple-input, multiple-output (MIMO) wireless communication system is provided. A receiving end using as many as N Receive (Rx) antennas includes a first detector, as many as (N−2) nth detectors, and an Nth detector. A signal detection technique of the present invention has a low complexity and a throughput similar to that of a Maximum Likelihood (ML) scheme in a Multiple-Input Multiple-Output (MIMO) wireless communication system using a Spatial Multiplexing (SM) scheme.

摘要翻译： 提供了一种用于在多输入多输出（MIMO）无线通信系统中接收信号的装置和方法。 使用多达N个接收（Rx）天线的接收端包括第一检测器，多达（N-2）个第n个检测器和第N个检测器。 本发明的信号检测技术具有与使用空间复用（SM）方案的多输入多输出（MIMO）无线通信系统中的最大似然（ML）方案相似的低复杂度和吞吐量。

公开(公告)号：US08423015B2

公开(公告)日：2013-04-16

申请号：US11451867

申请日：2006-06-13

申请人： Yeon-Woo Lee ,  Sang-Boh Yun

发明人： Yeon-Woo Lee ,  Sang-Boh Yun

IPC分类号： H04W40/00

CPC分类号： H04B7/2606 ,  H04W16/26

摘要： A relay method is disclosed in a cellular communication system including an access node for providing an access service using resources of a licensed band to a particular terminal among a plurality of terminals with a partial licensed band of the full frequency spectrum, and a relay station for relaying communication between the terminal and an access node. The relay method includes performing base station-led resource allocation on a licensed band for a terminal and a relay station located in a service area of the base station, and performing relay station-led resource allocation on the licensed band and an unlicensed band for a terminal located in a service area of the relay station.

摘要翻译： 在包括接入节点的蜂窝通信系统中公开了一种中继方法，所述接入节点使用具有许可频带的资源的特定终端向具有全频谱的部分许可频带的多个终端中的特定终端提供接入服务，以及用于 中继终端与接入节点之间的通信。 所述中继方法包括对位于所述基站的服务区域的终端和中继站的许可频带进行基站主导的资源分配，并对所述许可频带进行中继站引导的资源分配，以及对所述许可频带进行未许可频带 终端位于中继站的服务区中。

公开(公告)号：US08204150B2

公开(公告)日：2012-06-19

申请号：US12286597

申请日：2008-10-01

申请人： Seung-Hee Han ,  Jong-Hyeuk Lee ,  Sang-Boh Yun

发明人： Seung-Hee Han ,  Jong-Hyeuk Lee ,  Sang-Boh Yun

IPC分类号： H04L27/00 ,  H04B7/02

CPC分类号： H04L5/0023 ,  H04L5/0066 ,  H04L27/2618 ,  H04L27/2623

摘要： An apparatus is provided for reducing a peak-to-average power ratio (PAPR) in a wireless communication system having multiple transmit antennas. A symbol generator generates symbols to be transmitted via the multiple transmit antennas, and a PAPR calculator calculates a PAPR value for each symbol. A detector detects a maximum PAPR value among the PAPR values of the symbols. A controller outputs a control signal to reduce a PAPR value of a corresponding symbol when the detected maximum PAPR value exceeds a reference PAPR value. A PAPR reducer reduces the PAPR value of the corresponding symbol upon receipt of the control signal.

摘要翻译： 提供一种用于降低具有多个发射天线的无线通信系统中的峰均功率比（PAPR）的装置。 符号生成器生成要通过多个发送天线发送的符号，PAPR计算器计算每个符号的PAPR值。 检测器检测符号的PAPR值中的最大PAPR值。 当检测到的最大PAPR值超过参考PAPR值时，控制器输出控制信号以减小相应符号的PAPR值。 PAPR减速器在接收到控制信号时降低相应符号的PAPR值。

公开(公告)号：US08145207B2

公开(公告)日：2012-03-27

申请号：US12378885

申请日：2009-02-20

申请人： Sung-Soo Hwang ,  Jin-Ghoo Choi ,  Chi-Hyun Park ,  Sang-Boh Yun ,  Seung-Hee Han

发明人： Sung-Soo Hwang ,  Jin-Ghoo Choi ,  Chi-Hyun Park ,  Sang-Boh Yun ,  Seung-Hee Han

IPC分类号： H04W24/00

CPC分类号： H04B7/15542 ,  H04B1/1027

摘要： An apparatus and method for avoiding interference between a base station and a relay station when using full duplex relay in a multi-hop relay wireless communication system are provided. An operation of a mobile station includes measuring an strength of a receive signal from a base station and an strength of a receive signal from an relay station, calculating a receive signal strength ratio of base station to relay station by dividing the strength of the receive signal from the base station by the strength of the receive signal from the relay station, determining if interference occurs using the receive signal strength ratio, and transmitting a control message representing if interference occurs.

摘要翻译： 提供了一种用于在多跳中继无线通信系统中使用全双工中继时避免基站与中继站之间的干扰的装置和方法。 移动站的操作包括测量来自基站的接收信号的强度和来自中继站的接收信号的强度，通过除去接收信号的强度来计算基站到中继站的接收信号强度比 从基站通过来自中继站的接收信号的强度，使用接收信号强度比确定是否发生干扰，以及发送表示是否发生干扰的控制消息。

公开(公告)号：US08139548B2

公开(公告)日：2012-03-20

申请号：US11851448

申请日：2007-09-07

申请人： Chi-Hyun Park ,  Young-Hoon Kwon ,  Sang-Boh Yun

发明人： Chi-Hyun Park ,  Young-Hoon Kwon ,  Sang-Boh Yun

IPC分类号： H04J3/00

CPC分类号： H04B1/126

摘要： A method and apparatus for removing interference from a UpLink (UL) signal in a Time Division Duplex (TDD) system are provided. The method includes determining whether a section for receiving an UpLink (UL) signal from the MS overlaps with sections for sending a DownLink (DL) signal of neighbor BSs in service, the neighbor BSs sending the DL signal to another MS, when the UL signal section overlaps with the DL sections of the neighbor BSs, detecting DL transmit signal information from the neighbor BSs transmitting in the overlapping sections, and removing interference from the UL signal using the detected transmit signal information. Accordingly, the accuracy of detecting the signal from the MS can be raised without having to adopt the complex resource allocation scheme to avoid the interference of the neighbor BSs.

摘要翻译： 提供了一种用于在时分双工（TDD）系统中从UpLink（UL）信号中去除干扰的方法和装置。 该方法包括确定用于从MS重叠的用于接收上行链路（UL）信号的部分是否与用于发送服务中的相邻BS的下行链路（DL）信号的部分重叠，所述相邻BS将DL信号发送到另一个MS，当UL信号 部分与相邻BS的DL部分重叠，从在重叠部分中发送的相邻BS检测DL发送信号信息，以及使用检测到的发送信号信息去除来自UL信号的干扰。 因此，可以提高检测来自MS的信号的准确性，而不必采用复杂的资源分配方案来避免相邻BS的干扰。

公开(公告)号：US08094743B2

公开(公告)日：2012-01-10

申请号：US11822872

申请日：2007-07-10

申请人： Chang-Wook Ahn ,  Sang-Boh Yun ,  Eung-Sun Kim ,  Harald Haas ,  Mesleh Raed ,  Tae-In Hyon ,  Stephen McLaughlin

发明人： Chang-Wook Ahn ,  Sang-Boh Yun ,  Eung-Sun Kim ,  Harald Haas ,  Mesleh Raed ,  Tae-In Hyon ,  Stephen McLaughlin

IPC分类号： H04B7/02

CPC分类号： H04L1/0656 ,  H04B7/0413 ,  H04B7/0691 ,  H04L1/0063

摘要： A spatial modulation method and transmitting and receiving apparatuses using the spatial modulation method in a MIMO system are provided. The spatial modulation method uses an index of an activated antenna and a signal modulation constellation as an information source. The spatial modulation method is applied to the transmitting apparatus. The receiving apparatus uses a spatial modulation detection method in which a channel path gain is repeatedly multiplied to detect the spatially modulated signal efficiently.

摘要翻译： 提供了一种使用MIMO系统中的空间调制方法的空间调制方法和发送和接收装置。 空间调制方法使用激活天线的索引和信号调制星座作为信息源。 空间调制方法应用于发送装置。 接收装置使用空间调制检测方法，其中重复地乘以信道路径增益以有效地检测空间调制信号。