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1.发明授权Method of allocating radio resources and apparatus of allocating radio resources in cognitive radio small-cell networks 有权分配无线电资源的方法和在认知无线电小蜂窝网络中分配无线电资源的装置公开(公告)号：US09131514B2
公开(公告)日：2015-09-08
申请号：US14268582
申请日：2014-05-02
Inventor： Jae Cheol Park , Kyu Min Kang , Sang In Cho , Dong Hun Lee , Byung Jang Jeong
CPC classification number: H04W72/082 , H04W16/16 , H04W52/241 , H04W52/243 , H04W52/244 , H04W52/265 , H04W52/267 , H04W52/346
Abstract: Disclosed is a method of allocating radio resources, including: acquiring available channel information of a cognitive radio small cell; analyzing a channel characteristic based on the available channel information and dividing a required transmission rate of the cognitive radio small cell into required transmission rates for each available channel; and performing a power control for each available channel based on the divided required transmission rates for each available channel. The method of allocating radio resources may be performed under an interference environment in which a plurality of cognitive radio small cells is present and the plurality of cognitive radio small cells shares an available channel.
Abstract translation: 公开了一种分配无线电资源的方法，包括：获取认知无线电小区的可用信道信息; 基于所述可用信道信息分析信道特性并将所述认知无线电小区的所需传输速率划分为每个可用信道的所需传输速率; 并且基于每个可用信道的所划分的所需传输速率对每个可用信道执行功率控制。 分配无线电资源的方法可以在其中存在多个认知无线电小小区并且多个认知无线电小区分享可用信道的干扰环境下执行。
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公开(公告)号：US09711939B2
公开(公告)日：2017-07-18
申请号：US15241362
申请日：2016-08-19
Inventor： Dong Hun Lee , Sang Ho Park , Yong Soon Baek , Jang Uk Shin , Young Tak Han
IPC: G02B6/12 , H01S5/22 , H01S5/026 , H01S5/00 , H01S5/343 , G02F1/017 , G02B6/14 , G02B6/122 , G02F1/015
CPC classification number: H01S5/026 , G02B6/12004 , G02B6/1228 , G02B6/14 , G02B2006/12097 , G02F1/01708 , G02F2001/0157 , H01S5/0064 , H01S5/0085 , H01S5/0265 , H01S5/1014 , H01S5/12 , H01S5/2223 , H01S5/227 , H01S5/3235 , H01S5/343
Abstract: Provided herein is a semiconductor optical device, including a waveguide including lattices buried therein and having a buried hetero (BH) structure formed in an optical oscillation region in which single mode light is oscillated, a waveguide having a deep ridge structure formed in an optical modulation region, and a passive waveguide formed in a mode transition region interposed between the optical oscillation region and the optical modulation region, formed as a connecting structure of the waveguide having the BH structure extending from the optical oscillation region and the waveguide having the deep ridge structure extending from the optical modulation region, and inducing evanescent optical coupling, wherein a width of the waveguide having the BH structure in the mode transition region is smaller than a width of the waveguide having the deep ridge structure in the optical modulation region.
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3.发明授权Network management apparatus for priority channel assignment to acquire available channels in frequency sharing and method thereof 有权用于优先级信道分配的网络管理装置，用于获取频率共享中的可用信道及其方法公开(公告)号：US09485665B2
公开(公告)日：2016-11-01
申请号：US14478303
申请日：2014-09-05
Inventor： Kyu Min Kang , Jae Cheol Park , Dong Hun Lee , Byung Jang Jeong
CPC classification number: H04W16/14
Abstract: Disclosed is a network management apparatus for priority channel assignment to acquire available channels in a frequency sharing band, including: a signal intensity measurer measuring a received signal intensity for an input signal; and a controller verifying usable candidate channels in the same channel and an adjacent channel of a TV band device (TVBD) for each predetermined frequency based on the measured received signal intensity, verifying available channels of the TVBD based on the verified usable candidate channels in the same channel and the adjacent channel, calculating the decreased number of available channels of the TVBD predicted for each channel after channel reassignment, and assigning channels to be reassigned based on the calculated decreased number of available channels of the TVBD.
Abstract translation: 公开了一种用于优先级信道分配的网络管理装置，用于获取频率共享频带中的可用信道，包括：信号强度测量器，用于测量输入信号的接收信号强度; 以及控制器，用于基于所测量的接收信号强度，针对每个预定频率在同一信道和相邻信道中验证可用的候选信道，基于所验证的可用候选信道来验证TVBD的可用信道 计算在频道重新分配之后为每个频道预测的TVBD可用频道的数量减少，以及基于所计算的TVBD的可用信道数减少来分配要重新分配的频道。
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4.发明授权Wireless communication apparatus for reducing interference with neighboring cell and method of reducing interference thereof 有权用于减少对相邻小区的干扰的无线通信装置及其减少干扰的方法公开(公告)号：US09591654B2
公开(公告)日：2017-03-07
申请号：US14288477
申请日：2014-05-28
Inventor： Dong Hun Lee , Kyu Min Kang , Jae Cheol Park , Byung Jang Jeong , Jae Ick Choi
CPC classification number: H04W72/082 , H04W24/02 , H04W72/0426 , H04W84/045
Abstract: Disclosed are a wireless communication apparatus for reducing interference by a neighboring cell, and a method of reducing interference thereof. The method of reducing interference by a wireless communication apparatus includes: determining a neighboring small cell from one or more surrounding small cells adjacent to a small cell; allocating a communication resource to one or more users according to a channel state of the one or more users subscribing to the small cell; and transmitting data to the one or more users, to which the communication resource is allocated, by adopting one or more interference reducing methods for reducing interference by the neighboring small cell.
Abstract translation: 公开了一种用于减少相邻小区的干扰的无线通信装置，以及减少其干扰的方法。 减少无线通信装置的干扰的方法包括：从与小小区相邻的一个或多个周围的小小区确定相邻小小区; 根据订阅小单元的一个或多个用户的信道状态向一个或多个用户分配通信资源; 以及通过采用一种或多种减少干扰的方法来传送数据给所述通信资源被分配给的一个或多个用户，以减少相邻小小区的干扰。
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公开(公告)号：US09477013B2
公开(公告)日：2016-10-25
申请号：US14619092
申请日：2015-02-11
Inventor： Dong Hun Lee , Jong Sool Jeong , Ki Soo Kim , Hyun Soo Kim , Mi Ran Park , O Kyun Kwon
IPC: G02F1/03 , G02F1/07 , G02B1/113 , G02B6/14 , G02F1/01 , G02F1/017 , G02F1/015 , H01S5/026 , H01S5/50
CPC classification number: G02B1/113 , G02B6/12004 , G02B6/14 , G02B2006/12078 , G02B2006/12142 , G02B2006/12152 , G02F1/0102 , G02F1/01708 , G02F2001/0157 , H01S5/0261 , H01S5/0265 , H01S5/50
Abstract: Disclosed is an optical source device. The optical source device includes: a mode converter configured to be optically coupled with an optical fiber; a semiconductor optical amplifier coupled with the mode converter, and configured to amplify an optical signal input through the optical fiber; and an electro absorption modulator coupled to the optical amplifier, and configured to modulate the amplified optical signal and output the modulated optical signal, in which each of the semiconductor optical amplifier and the optical absorption modulator includes a heater.
Abstract translation: 公开了一种光源装置。 光源装置包括：模式转换器，被配置为与光纤光学耦合; 与模式转换器耦合的半导体光放大器，被配置为放大通过光纤输入的光信号; 以及耦合到所述光放大器的电吸收调制器，并且被配置为调制所放大的光信号并输出所述调制的光信号，其中所述半导体光放大器和所述光吸收调制器中的每一个包括加热器。
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Patent Agency Ranking
6.发明授权Method and apparatus for allocating operating channel priority between frequency sharing systems 有权在频率共享系统之间分配操作信道优先级的方法和装置公开(公告)号：US09191964B2
公开(公告)日：2015-11-17
申请号：US13928315
申请日：2013-06-26
Inventor： Dong Hun Lee , Hyun Duk Kang , Byung Jang Jeong
CPC classification number: H04W72/10 , H04L5/0007 , H04L5/0033 , H04L5/0044 , H04L5/0064 , H04L5/0066 , H04L27/0006 , H04W16/14 , H04W72/00 , H04W72/12
Abstract: Disclosed is a method for improving the efficiency of sharing a frequency between a plurality of adjacent systems using an idle band. A method for allocating an operating channel priority between frequency sharing systems according to the present invention includes: a coarse channel priority allocating operation of collecting information about a target white space object (WSO) for priority allocation of an operating channel and information about the operating channel, and classifying the operating channel based on a predetermined criterion; and a fine channel priority allocating operation of removing the operating channel by checking an interference level of the classified operating channel.
Abstract translation: 公开了一种用于提高使用空闲频带在多个相邻系统之间共享频率的效率的方法。 根据本发明的用于在频率共享系统之间分配操作信道优先级的方法包括：收集关于用于操作信道的优先级分配的目标空白物体（WSO）的信息的粗信道优先级分配操作和关于操作信道的信息 并且基于预定标准对所述操作信道进行分类; 以及通过检查分类的操作信道的干扰等级来移除操作信道的精细信道优先级分配操作。
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公开(公告)号：US10701752B2
公开(公告)日：2020-06-30
申请号：US15562005
申请日：2016-01-28
Inventor： Jung Sun Um , Kyu Min Kang , Seung Keun Park , Jae Cheol Park , Sung Jin Yoo , Dong Hun Lee , Hoi Yoon Jung , Su Na Choi , Sung Hyun Hwang
Abstract: The present invention relates to a device and method for allocating a coexistence resource in an unlicensed band. The device according to the present invention comprises: a frame configuration unit for configuring a subframe in which data and a reference signal for a channel in an unlicensed band are allocated, and allocating a part of the symbols of the subframe as a coexistence resource; a signal detection unit for detecting a signal of another LTE system or Wi-Fi system during a transmission idle period where the coexistence resource is allocated; and a transmission processing unit which, when the signal of another system is detected during the transmission idle period, does not occupy a resource for the next subframe, and when the occupation of the coexistence resource by the another system has ended, occupies the resource for the next subframe.
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8.发明授权Method for performing seamless group handover for supporting portable TV band device based on TV white space 有权用于基于TV空白来执行无线组切换以支持便携式TV频带设备的方法公开(公告)号：US09467924B2
公开(公告)日：2016-10-11
申请号：US14175362
申请日：2014-02-07
Inventor： Dong Hun Lee , Byung Jang Jeong
CPC classification number: H04W36/32
Abstract: An method for performing a TVBD (TV Band Device) group handover based on TV white space by an AP (Access Point), the method comprising: transmitting multiple location information corresponding to a path along which a mobile vehicle travels to an available channel information providing server; receiving multiple geo-location information from the available channel information providing server as a reply to the transmitted multiple location information; extracting operating channel set information so as to minimize a channel switching caused by the travel of the mobile vehicle, based on the multiple geo-location information; and transmitting the extracted operating channel set information to a TVBD group.
Abstract translation: 一种用于通过AP（接入点）执行基于TV白空间的TVBD（TV Band Device）组切换的方法，所述方法包括：将与移动车辆行驶的路径相对应的多个位置信息发送到提供的可用信道信息 服务器; 从所述可用信道信息提供服务器接收多个地理位置信息作为对所发送的多个位置信息的回复; 基于所述多个地理位置信息，提取操作信道集信息，以使由所述移动车辆的行驶所引起的信道切换最小化; 以及将所提取的操作信道集信息发送到TVBD组。
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9.发明授权Coexistence management system for measuring channel information between spectrum sharing devices and method thereof 有权用于测量频谱共享装置之间的信道信息的共存管理系统及其方法公开(公告)号：US09161243B2
公开(公告)日：2015-10-13
申请号：US13923262
申请日：2013-06-20
Inventor： Hyun Duk Kang , Dong Hun Lee , Byung Jang Jeong
Abstract: Provided are a coexistence management system for measuring channel information between spectrum sharing devices and a method thereof. The coexistence management system for measuring channel information between spectrum sharing devices according to the exemplary embodiment of the present invention includes: a plurality of coexistence enablers (CEs) which is provided for each of the plurality of white space objects (WSOs) having at least one measurement capability of measuring channel information on an operation channel that is being used; a coexistence manager (CM) which is linked with at least one CE within a group to confirm measurement capability of a corresponding WSO and receives channel information on the operation channel from one or more WSOs within another neighboring groups according to the confirmed result; and a coexistence discovery and information server (CDIS) which registers at least one measurement capability for each of the plurality of WSOs.
Abstract translation: 提供了一种用于测量频谱共享设备之间的信道信息的共存管理系统及其方法。 根据本发明的示例性实施例的用于测量频谱共享设备之间的频道信息的共存管理系统包括：为具有至少一个的多个空白物体（WSO）中的每一个提供的多个共存使能器（CE） 在正在使用的操作信道上测量信道信息的测量能力; 与组内的至少一个CE相连的共存管理器（CM），以确认对应的WSO的测量能力，并且根据确认的结果从另一相邻组中的一个或多个WSO接收关于操作信道的信道信息; 以及向多个WSO中的每一个注册至少一个测量能力的共存发现和信息服务器（CDIS）。
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10.发明授权Method and apparatus for selecting wavelength by wavelength tunable optical receiver 有权波长可调光接收机选择波长的方法和装置公开(公告)号：US09420357B2
公开(公告)日：2016-08-16
申请号：US14619124
申请日：2015-02-11
Inventor： Jong Sool Jeong , Dong Hun Lee , Mi Ran Park , Byung Seok Choi , Hyun Soo Kim , O Kyun Kwon
CPC classification number: H04Q11/0005 , H04B10/675 , H04B2210/075 , H04J14/0276 , H04Q2011/0009 , H04Q2011/0018
Abstract: Disclosed are a method and an apparatus for selecting a wavelength by a wavelength tunable optical receiver. The method of selecting a wavelength of a wavelength tunable optical receiver includes: receiving, by the wavelength tunable optical receiver, an optical signal from a wavelength tunable optical transmitter; filtering, by the wavelength tunable optical receiver, the optical signal through a low frequency band electrical signal filter, and obtaining a low frequency signal; determining, by the wavelength tunable optical receiver, whether the low frequency signal is a valid signal based on a current value of the low frequency signal; and when the low frequency signal is the valid signal, obtaining, by the wavelength tunable optical receiver, an enable condition of a wavelength tunable optical filter through which the low frequency signal is selected, in which the low frequency signal includes a control/monitoring signal.
Abstract translation: 公开了一种通过波长可调光学接收器选择波长的方法和装置。 选择波长可调光学接收机的波长的方法包括：由波长可调光学接收机接收来自波长可调光发射机的光信号; 通过波长可调光接收器对光信号进行滤波，通过低频带电信号滤波器获得低频信号; 基于所述低频信号的当前值，由所述波长可调光学接收机确定所述低频信号是否为有效信号; 并且当低频信号是有效信号时，由波长可调光学接收器获得选择低频信号的波长可调光滤波器的使能条件，其中低频信号包括控制/监视信号 。
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