专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08964624B2 Apparatus and method for buffering packets in a multi-hop relay system supporting hop-by-hop retransmission 有权
标题翻译：支持逐跳重传的多跳中继系统中的数据包缓存装置和方法
公开(公告)号：US08964624B2
公开(公告)日：2015-02-24
申请号：US11854637
申请日：2007-09-13
申请人： Jin-Ghoo Choi , Chi-Hyun Park , Sung-Soo Hwang
发明人： Jin-Ghoo Choi , Chi-Hyun Park , Sung-Soo Hwang
IPC分类号： H04B7/14 , H04B7/155 , H04W36/02
CPC分类号： H04B7/155 , H04W36/02
摘要： A packet buffering apparatus and method in a multi-hop relay system supporting hop-by-hop retransmission are provided. In the buffering apparatus and method, a first buffer buffers a user packet until the user packet is successfully transmitted to a next node, and a second buffer buffers the user packet until the user packet is successfully transmitted to an MS, after the user packet is successfully transmitted to the next node. Accordingly, time delays and transmission costs are reduced.
摘要翻译：提供了一种支持逐跳重传的多跳中继系统中的分组缓存装置和方法。在缓冲装置和方法中，第一缓冲器缓冲用户分组，直到用户分组成功发送到下一个节点，并且第二缓冲器缓冲用户分组，直到用户分组成功发送到MS为止，在用户分组为成功传输到下一个节点。因此，时间延迟和传输成本降低。

2. 发明授权

US08838107B2 Anti-interference apparatus and method in wireless communication system 有权
标题翻译：无线通信系统中的抗干扰装置和方法
公开(公告)号：US08838107B2
公开(公告)日：2014-09-16
申请号：US12993546
申请日：2009-05-21
申请人： Sung-Soo Hwang , Sang-Boh Yun , Joo-Hyun Lee
发明人： Sung-Soo Hwang , Sang-Boh Yun , Joo-Hyun Lee
IPC分类号： H04W36/00 , H04W52/02 , H04W24/10 , H04W84/04 , H04W28/04
CPC分类号： H04W24/10 , H04W28/04 , H04W52/0206 , H04W84/045 , Y02D70/00
摘要： The present invention relates to an apparatus and method for reducing the interference caused by a femtocell in a wireless communication system. The method comprises the steps of: measuring the intensity of a signal received from a terminal when the transmission mode is deactivated; and controlling the transmission mode to be activated according to the signal intensity, and thus has the advantage of decreasing the influence effects caused by the femtocell and reducing the power consumption in a femto base station.
摘要翻译：本发明涉及一种用于在无线通信系统中减少由毫微微小区引起的干扰的装置和方法。该方法包括以下步骤：当发送模式被去激活时，测量从终端接收的信号的强度; 并且根据信号强度来控制传输模式被激活，并且因此具有减小毫微微小区引起的影响效应并降低毫微微基站中的功耗的优点。

3. 发明授权

US08442139B2 Apparatus and method for transmitting and receiving in a multi-antenna system 有权
标题翻译：用于在多天线系统中发射和接收的装置和方法
公开(公告)号：US08442139B2
公开(公告)日：2013-05-14
申请号：US12543896
申请日：2009-08-19
申请人： Joo-Hyun Lee , Jong-Ho Lee , Sung-Soo Hwang , Joon-Hyuk Kang , Won-Taek Song , Kyung-Ho Park , Nam-Seok Chang
发明人： Joo-Hyun Lee , Jong-Ho Lee , Sung-Soo Hwang , Joon-Hyuk Kang , Won-Taek Song , Kyung-Ho Park , Nam-Seok Chang
IPC分类号： H04B7/02 , H04L1/02
CPC分类号： H04B7/0639 , H04L25/0204 , H04L25/0228
摘要： Apparatuses and methods for transmitting and receiving in a multi-antenna system are provided. A receiver for reducing a quantization error of channel information feedback in a multi-antenna system includes a restore vector generator for selecting a codeword ck and d determining a real part wkreal and an imaginary part wkimag of a restore vector corresponding to the codeword; and a post-processor for performing post-processing by multiplying the real part wkreal of the restore vector by a first reception signal and multiplying the imaginary part wkimag of the restore vector by a second reception signal.
摘要翻译：提供了一种用于在多天线系统中发送和接收的装置和方法。用于减少多天线系统中的信道信息反馈的量化误差的接收机包括用于选择码字ck的恢复向量生成器，以及确定与码字相对应的恢复向量的实部wkreal和虚部wkimag; 以及后处理器，用于通过将所述恢复向量的实部wkreal乘以第一接收信号并将所述恢复向量的虚部wkimag乘以第二接收信号来执行后处理。

4. 发明申请

US20120176915A1 METHOD AND APPARATUS FOR CONTROLLING UPLINK TRANSMISSION POWER IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于控制无线通信系统中上行链路传输功率的方法和装置
公开(公告)号：US20120176915A1
公开(公告)日：2012-07-12
申请号：US13342472
申请日：2012-01-03
申请人： Neung-Hyung LEE , Nam-Hoon KIM , Jae-Ho JEON , Seung-Joo MAENG , Seung-Hyun MIN , Sung-Soo HWANG
发明人： Neung-Hyung LEE , Nam-Hoon KIM , Jae-Ho JEON , Seung-Joo MAENG , Seung-Hyun MIN , Sung-Soo HWANG
IPC分类号： H04W52/16
CPC分类号： H04W52/146 , H04W52/241
摘要： A method for controlling uplink transmission power in a wireless communication system is provided. The method includes estimating a downlink path loss, determining a target Signal to Noise Ratio (SNR) depending on the downlink path loss, determining an amount of power to compensate for a difference between the target SNR and an estimated SNR, and transmitting a power control message including a Transmit Power Control (TPC) command value to a terminal based on the determined amount of power.
摘要翻译：提供了一种用于控制无线通信系统中的上行链路发送功率的方法。该方法包括估计下行链路路径损耗，根据下行链路路径损耗确定目标信噪比（SNR），确定补偿目标SNR与估计SNR之间的差异的功率量，以及发送功率控制消息，其包括基于所确定的功率量向终端发送功率控制（TPC）命令值。

5. 发明申请

US20120076158A1 METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA IN SINGLE CARRIER FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM 有权
标题翻译：单载波频分多址接入系统发送/接收数据的方法与装置
公开(公告)号：US20120076158A1
公开(公告)日：2012-03-29
申请号：US13255784
申请日：2010-03-10
申请人： Jinxia Ching , Sang Boh Yun , Sung Soo Hwang , Seung Hee Han , Sunghwan Kim
发明人： Jinxia Ching , Sang Boh Yun , Sung Soo Hwang , Seung Hee Han , Sunghwan Kim
IPC分类号： H04J1/00
CPC分类号： H04L27/2615
摘要： The present invention provides a method for transmitting and receiving data in a single carrier frequency division multiple access system to which a precoding matrix is applied, and to a transmitting/receiving apparatus for same. The method for transmitting data comprises the steps of: applying selected mapping algorithm (SLM) sequences of an SLM sequence subset corresponding to a precoding matrix, to respective data; selecting the SLM sequence in which each of the applied data has the smallest peak to average power ratio (PAPR) value; and transmitting the index of the selected SLM sequence and data to which the selected SLM sequence is applied. The method for receiving data, to which a precoding matrix is applied, comprises the steps of: receiving the index of the SLM sequence selected from the SLM sequence subset corresponding to the precoding matrix, and data to which the selected SLM sequence is applied; and removing the SLM sequence from the data to which the SLM sequence is applied using the SLM sequence indicated by the index, in order to recover data.
摘要翻译：本发明提供一种用于在应用了预编码矩阵的单载波频分多址系统中发送和接收数据的方法以及用于其的发送/接收装置。用于发送数据的方法包括以下步骤：将对应于预编码矩阵的SLM序列子集的选择的映射算法（SLM）序列应用于相应的数据; 选择其中每个应用数据具有最小峰均功率比（PAPR）值的SLM序列; 以及发送所选择的SLM序列的索引和应用所选择的SLM序列的数据。用于接收预编码矩阵的数据的方法包括以下步骤：接收从与预编码矩阵相对应的SLM序列子集中选择的SLM序列的索引，以及应用所选择的SLM序列的数据; 并使用由索引指示的SLM序列从应用SLM序列的数据中移除SLM序列，以便恢复数据。

6. 发明授权

US08027401B2 Iterative detection and decoding apparatus and method in MIMO system 有权
标题翻译： MIMO系统中的迭代检测和解码设备和方法
公开(公告)号：US08027401B2
公开(公告)日：2011-09-27
申请号：US11640618
申请日：2006-12-18
申请人： Keun-Chul Hwang , Sung-Woo Park , Soon-Young Yoon , Young-Hoon Kwon , Sung-Soo Hwang , Soong-Yoon Choi
发明人： Keun-Chul Hwang , Sung-Woo Park , Soon-Young Yoon , Young-Hoon Kwon , Sung-Soo Hwang , Soong-Yoon Choi
IPC分类号： H04L1/02
CPC分类号： H04L1/005 , H04L25/03171 , H04L25/03318
摘要： An iterative detection and decoding method in a Multiple Input Multiple Output (MIMO) system includes detecting entire MIMO nodes to generate soft decision values; decoding a first soft decision value among the soft decision values; determining whether to perform an iterative detection and decoding by measuring reliability of the decoded first decoding signal; generating a soft decision value by performing a redetection of a MIMO node containing the soft decision value, when the decoded soft decision value is iteratively detected and decoded; and decoding a second soft decision value among the soft decision values.
摘要翻译：多输入多输出（MIMO）系统中的迭代检测和解码方法包括检测整个MIMO节点以产生软判决值; 解码软判决值中的第一软判决值; 通过测量解码的第一解码信号的可靠性来确定是否执行迭代检测和解码; 当解码的软判决值被迭代检测和解码时，通过执行包含软判决值的MIMO节点的重新检测来产生软判决值; 以及对所述软判决值中的第二软判决值进行解码。

7. 发明申请

US20110070881A1 ANTI-INTERFERENCE APPARATUS AND METHOD IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中的抗干扰设备和方法
公开(公告)号：US20110070881A1
公开(公告)日：2011-03-24
申请号：US12993546
申请日：2009-05-21
申请人： Sung-Soo Hwang , Sang-Boh Yun , Joo-Hyun Lee
发明人： Sung-Soo Hwang , Sang-Boh Yun , Joo-Hyun Lee
IPC分类号： H04W24/00
CPC分类号： H04W24/10 , H04W28/04 , H04W52/0206 , H04W84/045 , Y02D70/00
摘要： The present invention relates to an apparatus and method for reducing the interference caused by a femtocell in a wireless communication system. The method comprises the steps of: measuring the intensity of a signal received from a terminal when the transmission mode is deactivated; and controlling the transmission mode to be activated according to the signal intensity, and thus has the advantage of decreasing the influence effects caused by the femtocell and reducing the power consumption in a femto base station.
摘要翻译：本发明涉及一种用于在无线通信系统中减少由毫微微小区引起的干扰的装置和方法。该方法包括以下步骤：当发送模式被去激活时，测量从终端接收的信号的强度; 并且根据信号强度来控制传输模式被激活，并且因此具有减小毫微微小区引起的影响效应并降低毫微微基站中的功耗的优点。

8. 发明申请

US20100271932A1 APPARATUS AND METHOD FOR COMPENSATING FOR PHASE ERROR IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于在无线通信系统中补偿相位错误的装置和方法
公开(公告)号：US20100271932A1
公开(公告)日：2010-10-28
申请号：US12766109
申请日：2010-04-23
申请人： Sung-Soo HWANG , Seung-Hee HAN , Sang-Boh YUN , Joo-Hyun LEE , Sung-Yoon JUNG
发明人： Sung-Soo HWANG , Seung-Hee HAN , Sang-Boh YUN , Joo-Hyun LEE , Sung-Yoon JUNG
IPC分类号： G06F11/07 , H04L27/28
CPC分类号： H04L27/2675 , H04B7/155 , H04B17/345 , H04L25/0212 , H04L27/2663 , H04L27/2671
摘要： An apparatus and method for compensating for a phase error in a wireless communication system are provided. The apparatus includes a reception modem, a transmission modem, a Common Phase Error (CPE) compensator, a first channel estimator, a phase compensator, and a second channel estimator. The reception modem demodulates and decodes a signal received. The transmission modem encodes and modulates a signal for transmission. The CPE compensator compensates for phase errors of at least two symbols constituting a signal. The first channel estimator estimates channels for respective bursts. The phase compensator compares phases for the channels for the respective bursts with each other and compensates for a phase difference between at least two bursts. The second channel estimator estimates an interference channel.
摘要翻译：提供一种用于补偿无线通信系统中的相位误差的装置和方法。该装置包括接收调制解调器，传输调制解调器，公共相位误差（CPE）补偿器，第一信道估计器，相位补偿器和第二信道估计器。接收调制解调器对接收的信号进行解调和解码。传输调制解调器对信号进行编码和调制以进行传输。 CPE补偿器补偿构成信号的至少两个符号的相位误差。第一信道估计器估计各个突发的信道。相位补偿器将各个脉冲串的通道的相位彼此进行比较，并补偿至少两个脉冲串之间的相位差。第二信道估计器估计干扰信道。

9. 发明申请

US20090116590A1 APPARATUS AND METHOD FOR DETECTING SIGNAL IN MULTI-ANTENNA SYSTEM 有权
标题翻译：用于在多天线系统中检测信号的装置和方法
公开(公告)号：US20090116590A1
公开(公告)日：2009-05-07
申请号：US12259874
申请日：2008-10-28
申请人： Joo-Hyun LEE , Sang-Boh YUN , Sung-Soo HWANG , Yong-Soo CHO , Jae-Kwon KIM , Tae-Ho IM
发明人： Joo-Hyun LEE , Sang-Boh YUN , Sung-Soo HWANG , Yong-Soo CHO , Jae-Kwon KIM , Tae-Ho IM
IPC分类号： H04L27/06
CPC分类号： H04L25/0204 , H04B7/0413 , H04L1/0001 , H04L1/004 , H04L5/0023 , H04L25/0246 , H04L25/0248 , H04L25/03292 , H04L25/03318 , H04L2025/03414 , H04L2025/0342 , H04L2025/03426
摘要： A method and an apparatus for detecting a signal in a multi-antenna system using a spatial multiplexing are provided. The apparatus includes at least one antenna for receiving a signal, a channel estimator for estimating a channel using the received signal, a detector for calculating multiplication values commonly used to determine a Euclidean distance using the receive signal and channel information and for detecting a transmitted signal by calculating Euclidean distances of one or more candidate symbols using the receive signal and the determined multiplication values and a decoder for demodulating and decoding the detected signal. Hence, the computational complexity of the signal detection can be mitigated.
摘要翻译：提供了一种使用空间复用来检测多天线系统中的信号的方法和装置。该装置包括用于接收信号的至少一个天线，用于使用接收信号估计信道的信道估计器，用于计算通常用于使用接收信号和信道信息确定欧几里德距离的乘法值并用于检测发送信号的检测器通过使用接收信号和所确定的乘法值来计算一个或多个候选符号的欧几里得距离，以及解码器，用于解调和解码检测到的信号。因此，可以减轻信号检测的计算复杂度。

10. 发明申请

US20070217495A1 Apparatus and method for measuring SINR in mobile communication system using preambles 审中-公开
标题翻译：使用前导码测量移动通信系统SINR的装置和方法
公开(公告)号：US20070217495A1
公开(公告)日：2007-09-20
申请号：US11713559
申请日：2007-03-02
申请人： Ki-Young Han , Soon-Young Yoon , Keun-Chul Hwang , Sung-Soo Hwang , June Moon , Jong-In Kim
发明人： Ki-Young Han , Soon-Young Yoon , Keun-Chul Hwang , Sung-Soo Hwang , June Moon , Jong-In Kim
IPC分类号： H04B17/00 , H04K1/10
CPC分类号： H04B17/336
摘要： Apparatus and method for measuring an SINR in a mobile communication system using preambles. Calculated are an average noise power using a CP of an RX signal, a signal power of a serving segment, an average power of the serving segment, and an interference power of the serving segment, an average power of each interference segment, and an interference power of each interference segment using the difference between the calculated average noise power and the calculated average power. An SINR of the RX signal is calculated by dividing the calculated signal power of the serving segment by the sum of the calculated average noise power and the total interference power of all the segments.
摘要翻译：使用前导码测量移动通信系统中的SINR的装置和方法。使用RX信号的CP，服务段的信号功率，服务段的平均功率和服务段的干扰功率，每个干扰段的平均功率和干扰来计算平均噪声功率使用所计算的平均噪声功率和所计算的平均功率之间的差异来确定每个干扰段的功率。通过将所计算的服务段的信号功率除以所计算的平均噪声功率和所有段的总干扰功率之和来计算RX信号的SINR。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式