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

US07170343B2 Fast LUT predistorter for power amplifier 失效
标题翻译：功率放大器的快速LUT预失真器
公开(公告)号：US07170343B2
公开(公告)日：2007-01-30
申请号：US10856240
申请日：2004-05-27
申请人： Ming-Lu Jin , Soo-Young Kim , Seong-Pal Lee , Do-Seob Ahn , Deock-Gil Oh , Jae-Moung Kim
发明人： Ming-Lu Jin , Soo-Young Kim , Seong-Pal Lee , Do-Seob Ahn , Deock-Gil Oh , Jae-Moung Kim
IPC分类号： H03F1/26
CPC分类号： H03F1/3241
摘要： A fast LUT predistortion apparatus and method for compensating nonlinear distortion of the high power amplifier HPA is disclosed. The apparatus includes a predistortion unit for predistorting an input complex digital signal based on a look up table LUT implementation and outputting a predistorted complex signal; and a power amplifier for amplifying the predistorted signal and outputting an amplified complex signal.
摘要翻译：公开了用于补偿高功率放大器HPA的非线性失真的快速LUT预失真装置和方法。该装置包括：预失真单元，用于基于查找表LUT实现预失真输入复数数字信号并输出预失真的复信号; 以及用于放大预失真信号并输出放大的复合信号的功率放大器。

2. 发明申请

US20050140438A1 Fast LUT predistorter for power amplifier 失效
标题翻译：功率放大器的快速LUT预失真器
公开(公告)号：US20050140438A1
公开(公告)日：2005-06-30
申请号：US10856240
申请日：2004-05-27
申请人： Ming-Lu Jin , Soo-Young Kim , Seong-Pal Lee , Do-Seob Ahn , Deock-Gil Oh , Jae-Moung Kim
发明人： Ming-Lu Jin , Soo-Young Kim , Seong-Pal Lee , Do-Seob Ahn , Deock-Gil Oh , Jae-Moung Kim
IPC分类号： H03F1/26 , H03F1/32
CPC分类号： H03F1/3241
摘要： A fast LUT predistortion apparatus and method for compensating nonlinear distortion of the high power amplifier HPA is disclosed. The apparatus includes a predistortion unit for predistorting an input complex digital signal based on a look up table LUT implementation and outputting a predistorted complex signal; and a power amplifier for amplifying the predistorted signal and outputting an amplified complex signal.
摘要翻译：公开了用于补偿高功率放大器HPA的非线性失真的快速LUT预失真装置和方法。该装置包括：预失真单元，用于基于查找表LUT实现预失真输入复数数字信号并输出预失真的复信号; 以及用于放大预失真信号并输出放大的复合信号的功率放大器。

3. 发明授权

US08804857B2 Signal processing method for terrestrial repeater 有权
标题翻译：地面中继器的信号处理方法
公开(公告)号：US08804857B2
公开(公告)日：2014-08-12
申请号：US13284147
申请日：2011-10-28
申请人： Hee-Wook Kim , Soo-Young Kim , Bon-Jun Ku , Do-Seob Ahn
发明人： Hee-Wook Kim , Soo-Young Kim , Bon-Jun Ku , Do-Seob Ahn
IPC分类号： H04L27/00
CPC分类号： H04L27/34 , H04B7/14 , H04B7/15528 , H04B7/18543
摘要： A signal processing technology for allowing a repeater to transmit a signal received from an external apparatus to a terminal is provided. In a satellite system, a signal transmitted from a satellite or transmitted to a satellite is subject to a low order modulation, and a terrestrial repeater performs a high order modulation on signals and retransmits the signals.
摘要翻译：提供了一种用于允许中继器将从外部设备接收的信号发送到终端的信号处理技术。在卫星系统中，从卫星发射或发送到卫星的信号经受低阶调制，并且地面中继器对信号执行高阶调制并重发信号。

4. 发明授权

US09136936B2 Apparatus and method for providing frequency selectively in satellite communication system 有权
标题翻译：在卫星通信系统中选择性地提供频率的装置和方法
公开(公告)号：US09136936B2
公开(公告)日：2015-09-15
申请号：US13328261
申请日：2011-12-16
申请人： Hee-Wook Kim , Kun-Seok Kang , Bon-Jun Ku , Do-Seob Ahn
发明人： Hee-Wook Kim , Kun-Seok Kang , Bon-Jun Ku , Do-Seob Ahn
IPC分类号： H04W84/06 , H04B7/185 , H04L5/00 , H01Q25/00 , H04W72/04
CPC分类号： H04B7/18515 , H01Q25/00 , H04L5/0023 , H04L5/0037 , H04W72/0453 , H04W84/06
摘要： A transmission apparatus and method for implementing frequency selectivity in a multi-beam satellite system that transmits a signal to user equipment through one or more antenna feed groups. The transmission apparatus includes: an antenna feed group selecting unit configured to select one or more antenna feed groups from the one or more antenna feed groups; a cyclic delay offset determining unit configured to determine a cyclic delay offset according to a determination result of the antenna feed group selecting unit; and a transmitting unit configured to apply the cyclic delay offset determined by the cyclic delay offset determining unit to a signal to be transmitted through the one or more antenna feed groups selected by the antenna feed group selecting unit, and to transmit a resultant signal.
摘要翻译：一种用于在通过一个或多个天线馈送组向用户设备发送信号的多波束卫星系统中实现频率选择性的传输装置和方法。发送装置包括：天线馈送组选择单元，被配置为从所述一个或多个天线馈送组中选择一个或多个天线馈送组; 循环延迟偏移确定单元，被配置为根据天线馈送组选择单元的确定结果确定循环延迟偏移; 以及发送单元，被配置为将由循环延迟偏移确定单元确定的循环延迟偏移应用于通过天线馈送组选择单元选择的一个或多个天线馈送组发送的信号，并发送结果信号。

5. 发明授权

US08675545B2 Method and apparatus for allocating traffic resources in multi-beam satellite communication system 有权
标题翻译：在多波束卫星通信系统中分配业务资源的方法和装置
公开(公告)号：US08675545B2
公开(公告)日：2014-03-18
申请号：US12861545
申请日：2010-08-23
申请人： Dae Sub Oh , Hee Wook Kim , Do-Seob Ahn
发明人： Dae Sub Oh , Hee Wook Kim , Do-Seob Ahn
IPC分类号： H04J3/08 , G01R31/08
CPC分类号： H04B7/2041
摘要： In a system where satellite communication using multi-beams is performed for each group including a plurality of beams, a required data transmission rate of each beam is detected for each group, more traffic resources are allocated to a beam having a higher required data transmission rate than other beams based on the detection result, and data traffic transmitted to each beam in the group is adaptively controlled.
摘要翻译：在对包括多个波束的每个组执行使用多波束的卫星通信的系统中，针对每个组检测每个波束的所需数据传输速率，将更多业务资源分配给具有较高所需数据传输速率的波束基于检测结果的其他光束，并且发送到组中的每个光束的数据业务被自适应地控制。

6. 发明授权

US08560928B2 Diversity method using error correcting code 有权
标题翻译：使用纠错码的分集方法
公开(公告)号：US08560928B2
公开(公告)日：2013-10-15
申请号：US12988310
申请日：2008-09-10
申请人： Sooyoung Kim , Hee-Wook Kim , Do-Seob Ahn
发明人： Sooyoung Kim , Hee-Wook Kim , Do-Seob Ahn
IPC分类号： H03M13/03
CPC分类号： H04L1/0618 , H04B7/0669 , H04B7/0891 , H04L1/0068
摘要： A diversity method using an error correcting code. The diversity method includes creating a mother code by performing error correction coding on an input bit string to be coded, puncturing the created mother code and acquiring an error correcting code including systematic information and partial parity information, and space-time encoding the acquired error correcting code corresponding to each frequency.
摘要翻译：一种使用纠错码的分集方法。分集方法包括通过对要编码的输入比特串执行纠错编码来创建母码，对创建的母码进行穿孔并获取包括系统信息和部分奇偶校验信息的纠错码，以及对所获取的纠错码进行空时编码代码对应于每个频率。

7. 发明授权

US08289208B2 Device for tracking polarization 失效
标题翻译：用于跟踪极化的装置
公开(公告)号：US08289208B2
公开(公告)日：2012-10-16
申请号：US12664053
申请日：2008-05-08
申请人： Bon-Jun Ku , Do-Seob Ahn , Ho-Jin Lee
发明人： Bon-Jun Ku , Do-Seob Ahn , Ho-Jin Lee
IPC分类号： H04B7/185 , H04B1/00
CPC分类号： H04B7/10
摘要： Provided is a device for tracking polarizations. A receiving polarization tracking device includes a feeder for finding vertical and horizontal vector components by receiving vertical and horizontal polarizations, a polarization estimator for estimating distortion of polarizations using the vertical and horizontal vector components outputted from the feeder, a polarization controller for controlling amplitudes and phases of vertical and horizontal polarizations based on information about the estimated distortion from the polarization estimator and an output signal from the receiving polarization tracking device, and a combiner for combining the vertical and horizontal polarizations controlled from the polarization controller.
摘要翻译：提供了用于跟踪偏振的装置。接收偏振跟踪装置包括：通过接收垂直和水平偏振来发现垂直和水平矢量分量的馈线，用于使用从馈线输出的垂直和水平矢量分量估计极化失真的偏振估计器，用于控制幅度和相位的偏振控制器基于关于来自极化估计器的估计失真的信息和来自接收偏振跟踪装置的输出信号的垂直和水平偏振的组合器，以及用于组合从偏振控制器控制的垂直和水平极化的组合器。

8. 发明申请

US20090225740A1 MULTI-BEAM TRANSMITTING AND RECEIVING APPARATUS 审中-公开
标题翻译：多光束发射和接收装置
公开(公告)号：US20090225740A1
公开(公告)日：2009-09-10
申请号：US12307202
申请日：2006-12-29
申请人： Bon Jun Ku , Do-Seob Ahn
发明人： Bon Jun Ku , Do-Seob Ahn
IPC分类号： H04J3/00
CPC分类号： H04B7/204
摘要： A multi-beam transmitting and receiving apparatus in a wireless communication system includes a plurality of transmitting beam forming units for forming timely-divided multiple beams, each of the timely-divided multiple beams having a period of a total number of time division NTD at every time TD when the beams are activated; and a beam controller for controlling the transmitting beam forming units to select an arbitrary beam forming unit of a plurality of the transmitting beam forming units according to information about the time division, wherein the number of the beam forming units is determined as the total number of the beams NBM divided by the number of time division NTD.
摘要翻译：无线通信系统中的多波束发射和接收装置包括多个用于形成及时分割的多个波束的发射波束形成单元，每个及时分割的多个波束具有在每个时刻的总分时数NTD的周期光束激活时的时间TD; 以及光束控制器，用于根据关于时分的信息来控制发射光束形成单元以选择多个发射波束形成单元的任意波束形成单元，其中波束形成单元的数量被确定为光束NBM除以时分NTD的数量。

9. 发明申请

US20060132375A1 Device for shaping flat-topped element pattern using circular polarization microstrip patch 失效
标题翻译：使用圆极化微带贴片成型平顶元件图案的装置
公开(公告)号：US20060132375A1
公开(公告)日：2006-06-22
申请号：US11211229
申请日：2005-08-24
申请人： Yang-Su Kim , Byung-Su Kang , Bon-Jun Ku , Do-Seob Ahn
发明人： Yang-Su Kim , Byung-Su Kang , Bon-Jun Ku , Do-Seob Ahn
IPC分类号： H01Q13/00
CPC分类号： H01Q21/24 , H01Q21/065
摘要： Provided is a device for shaping a flat-topped element pattern using a circular polarization microstrip patch. The device includes: a microstrip patch feeding unit for generating circularly polarized signals of a basic mode; a circular waveguide for guiding the circular polarized signals and generating signals of high-order modes; and a pattern shaping unit for shaping FTEP through an electromagnetic mutual coupling between the signals of the high-order modes generated from the pattern shaping unit.
摘要翻译：提供了一种使用圆偏振微带贴片来形成平顶元件图案的装置。该装置包括：微带贴片馈送单元，用于产生基本模式的圆偏振信号; 用于引导圆偏振信号并产生高阶模的信号的圆形波导; 以及图案整形单元，用于通过从图案整形单元产生的高阶模的信号之间的电磁互耦来对FTEP进行成形。

10. 发明授权

US08170475B2 NGSO communication apparatus for extending operation time and reducing number of satellites using ATC 失效
标题翻译： NGSO通信设备，用于延长使用ATC的操作时间和减少卫星数量
公开(公告)号：US08170475B2
公开(公告)日：2012-05-01
申请号：US12427130
申请日：2009-04-21
申请人： Dae Sub Oh , Do-Seob Ahn , Ho Jin Lee
发明人： Dae Sub Oh , Do-Seob Ahn , Ho Jin Lee
IPC分类号： H04B7/185
CPC分类号： H04B7/18513
摘要： Provided are a non geostationary satellite orbit (NGSO) communication apparatus that extends an operation time using an ancillary territory component (ATC) and reduces a number of satellites, and an ATC and an operating method thereof. The NGSO communication apparatus extends an operation time using an ATC and reduces a number of satellites from a first ATC that communicates with a mobile earth station (MES), and a second ATC that communicates with the first ATC to relay data between the MES and the satellite when the first ATC is unable to communication with the satellite revolving along an orbit.
摘要翻译：提供了一种使用辅助领域组件（ATC）延长操作时间并减少卫星数量的非对地静止卫星轨道（NGSO）通信装置，以及ATC及其操作方法。 NGSO通信装置使用ATC扩展操作时间，并且从与移动地球站（MES）进行通信的第一ATC减少卫星的数量，以及与第一ATC通信的第二ATC，以在MES和当第一ATC无法与沿着轨道旋转的卫星通信时的卫星。

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