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71.发明公开
公开(公告)号：KR1020100112754A
公开(公告)日：2010-10-20
申请号：KR1020090031199
申请日：2009-04-10
Applicant: 한국과학기술원
CPC classification number: H04B7/0617 , H04B7/0452
Abstract: PURPOSE: A data transmission method for interference arrangement in a MIMO interference channel is provided to acquire a beam forming matrix for the interference arrangement in the MIMO interference channel. CONSTITUTION: A beam forming vector is generated by a group of the channel information(S10). The beam forming vector is generated by the use of the least squares. A beam forming matrix used for each transmitter is generated from the whole beam forming vector(S20). The beam is formed from the beam forming matrix. The information is transmitted from each transmitter to each receiver by beam(S30).
Abstract translation: 目的：提供一种用于MIMO干扰信道中的干扰布置的数据传输方法，以获取MIMO干扰信道中的干扰布置的波束形成矩阵。 构成：通过一组通道信息生成波束形成矢量（S10）。 通过使用最小二乘法来生成波束形成矢量。 从整个波束形成矢量生成用于每个发射机的波束形成矩阵（S20）。 光束由光束形成矩阵形成。 通过波束将信息从每个发射机发射到每个接收机（S30）。
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公开(公告)号：KR1020100110429A
公开(公告)日：2010-10-13
申请号：KR1020090028754
申请日：2009-04-03
Applicant: 한국과학기술원
CPC classification number: H03F1/3247 , H03F1/3258 , H03F1/3288 , H03F3/24 , H03F2201/3221 , H03F2201/3224
Abstract: PURPOSE: An adaptive pre-distortion method is provided to have low complexity by forming a pre-distortion structure which compensates a nonlinear property based on a modeling. CONSTITUTION: A predistorter outputs an output signal by receiving an input signal. A power amplifier outputs an amplified output signal by receiving the output signal. The power amplifier executes a modeling from the inputted output signal and the amplified output signal. The amplitude function of a nonlinear characteristic function is modeled to a piecewise linear function. A phase function is modeled to a piecewise constant function. An estimated polynomial coefficient is extracted by using the property of the power amplifier after assessing the property of the amplifier. The output signal is compensated.
Abstract translation: 目的：通过形成一种基于建模来补偿非线性特性的预失真结构，提供了一种具有较低复杂度的自适应预失真方法。 构成：预失真器通过接收输入信号输出输出信号。 功率放大器通过接收输出信号来输出放大的输出信号。 功率放大器根据输入的输出信号和放大的输出信号执行建模。 非线性特征函数的振幅函数被建模为分段线性函数。 相位函数被建模为分段常数函数。 在评估放大器的性能后，通过使用功率放大器的属性来提取估计的多项式系数。 输出信号被补偿。
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公开(公告)号：KR1020100076109A
公开(公告)日：2010-07-06
申请号：KR1020080134041
申请日：2008-12-26
Applicant: 한국과학기술원
IPC: H04W72/10
CPC classification number: H04W72/082 , H04W28/22 , H04W52/243 , H04W72/0453 , H04W72/10
Abstract: PURPOSE: A communication method for a transmitter and a receiver of a secondary user and a primary user in a cognitive radio system is provided to improve average data transfer rate. CONSTITUTION: Optimum value on transmission power and data transfer rate is presumed(S120,S140). The information on the probability distribution function of a channel gain value and the optimum value are transmitted to a primary user transmitting/receiving terminal and a secondary user transmitting/receiving terminal(S150). The primary user receiving terminal and the secondary user receiving terminal periodically report radio channel gain value to a base station(S210).
Abstract translation: 目的：提供用于认知无线电系统中的次要用户和主要用户的发射机和接收机的通信方法以提高平均数据传输速率。 构成：推定发射功率和数据传输速率的最佳值（S120，S140）。 关于信道增益值的概率分布函数和最优值的信息被发送到主用户发送/接收终端和辅助用户发送/接收终端（S150）。 主用户接收终端和次用户接收终端周期性地向基站报告无线电信道增益值（S210）。
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公开(公告)号：KR1020100069359A
公开(公告)日：2010-06-24
申请号：KR1020080128022
申请日：2008-12-16
Abstract: PURPOSE: A method for scheduling an adaptation mode in a portable internet system is provided to improve the capacitance of overall band efficiently through adaptive mode scheduling depending on feedback method. CONSTITUTION: It is checked whether or not a trigger condition satisfies a band AMC(Adaptive Modulation Coding)(201). If the trigger condition is satisfied, the band AMC mode information and diversity mode information are feed back to a base station(202). If the trigger condition is not satisfied, the diversity mode information is feed back to the base station(203).
Abstract translation: 目的：提供一种用于在便携式互联网系统中调度适配模式的方法，以通过根据反馈方法的自适应模式调度来有效地改善整个频带的电容。 构成：检查触发条件是否满足频带AMC（自适应调制编码）（201）。 如果满足触发条件，则将带AMC模式信息和分集模式信息反馈到基站（202）。 如果不满足触发条件，则将分集模式信息反馈给基站（203）。
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公开(公告)号：KR100961889B1
公开(公告)日：2010-06-09
申请号：KR1020060113823
申请日：2006-11-17
CPC classification number: H04B7/0452 , H04B7/0417 , H04B7/0626 , H04B7/0632 , H04B7/0643 , H04B7/065
Abstract: 본 발명은 다중 입력 다중 출력 시스템의 순차적 스케줄링 장치 및 방법에 관한 것이다. 본 발명에 따른 통신 시스템의 송신기에서 스케줄링 방법은, 초기화 단계에서 전체 사용자의 부분 피드백 정보 중 가장 큰 값을 보고한 사용자를 선택하고, 상기 선택된 사용자에게 채널 피드백 정보 요구를 전송하는 과정과, 상기 선택된 사용자로부터 채널 피드백 정보가 수신될 시, 상기 선택된 사용자의 채널 피드백 정보를 기 선택되지 않은 나머지 사용자에게 브로드캐스트하는 과정과, 상기 기 선택되지 않은 나머지 사용자로부터 상기 선택된 사용자의 채널 피드백 정보를 이용하여 계산한 부분 피드백 정보를 수신하는 과정을 포함하는 것을 특징으로 한다.
MIMO, SDMA, 스케줄링, 피드백, 채널 피드백 정보-
Patent Agency Ranking
公开(公告)号：KR100948940B1
公开(公告)日：2010-03-30
申请号：KR1020080005997
申请日：2008-01-21
Applicant: 한국과학기술원
CPC classification number: H04B7/155
Abstract: 본 발명은 파일럿 에미팅 중계기 및 이를 이용한 채널 추정 방법에 관한 것으로서, 단일 부반송파 시스템, OFDM 시스템, 다중 안테나 시스템 등의 다양한 시스템에 추가적인 자원의 소모 없이 적용할 수 있는 파일럿 에미팅 중계기 및 이를 이용하여 송신기 및 수신기가 중계기와의 채널을 독립적으로 추정할 수 있는 파일럿 에미팅 중계기 및 이를 이용한 채널 추정 방법을 제공함에 그 특징적인 목적이 있다.
이러한 특징적인 목적을 달성하기 위한 본 발명은, 해당 프레임 주파수 대역에 대한 신호를 전력을 측정하는 전력 측정부; 및 상기 기지국 및 단말기의 TTG 또는 RTG 구간을 검출하여 PET 구간을 설정하는 PET 구간 설정부; 를 포함하되, 상기 중계기는, 상기 기지국 및 단말기로 PET 구간에서 파일럿 신호를 송신하는 것을 특징으로 한다.
파일럿 신호, 중계기-
公开(公告)号：KR1020100002057A
公开(公告)日：2010-01-06
申请号：KR1020080125734
申请日：2008-12-11
CPC classification number: H04L27/0006 , H04W16/14
Abstract: PURPOSE: A cognitive radio communication device, cognitive radio terminal device, and a method for cognitive radio communication are provided to efficiently use radio frequency resources by transmitting data through one radio channel for more than two users. CONSTITUTION: A cognitive radio communication(310) comprises a receiver(311), a signal generator(312), and a transmission unit(313). The receiver receives a first transmission signal about the priority user data. The priority user data is transmitted from a communication device of the priority user. A signal generator creates the second transmission signal by the first transmission signal which is received as described above and the next user data. The transmission unit transmits the second transmission signal through the radio channel.
Abstract translation: 目的：提供认知无线电通信设备，认知无线电终端设备和用于认知无线电通信的方法，以通过针对两个以上用户的一个无线电信道发送数据来有效地使用射频资源。 构成：认知无线电通信（310）包括接收机（311），信号发生器（312）和传输单元（313）。 接收机接收关于优先用户数据的第一传输信号。 从优先用户的通信设备发送优先用户数据。 信号发生器通过如上所述接收的第一传输信号和下一个用户数据来产生第二传输信号。 发送单元通过无线信道发送第二发送信号。
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公开(公告)号：KR1020090119475A
公开(公告)日：2009-11-19
申请号：KR1020080045546
申请日：2008-05-16
Applicant: 한국과학기술원 , 포항공과대학교 산학협력단
IPC: G06F17/27
CPC classification number: G06F17/30734 , G06F17/271 , G06F17/274
Abstract: PURPOSE: A relation construction device between ontology classes and a method thereof are provided to remove the restriction caused by the pattern base class relation setting by setting the relations between ontology classes of the specialized terminology through the syntax analysis. CONSTITUTION: A terminology selector(10) selects the specialized terminology in the specialized terminology domain. A sentence collector(20) collects the sentence including the specialized terminology. A syntax analyzer(30) analyzes grammatical relations between the specialized terminology and other sentence components. An extraction tool(40) reflects the syntax analyzed result and extracts the different specialized terminology from the description predicate included in the sentence. A specialized terminology adding module(50) adds the different specialized terminology to the specialized terminology ontology.
Abstract translation: 目的：提供本体类与其方法之间的关系构造设备，以通过语法分析设置专门术语的本体类之间的关系来消除由模式基类关系设置引起的限制。 构成：术语选择器（10）选择专门术语域中的专门术语。 句子收藏者（20）收集包括专门术语在内的句子。 语法分析器（30）分析专业术语和其他句子组件之间的语法关系。 提取工具（40）反映语法分析结果，并从包括在句子中的描述谓词提取不同的专门术语。 专门的术语添加模块（50）将不同的专门术语添加到专门的术语本体。
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79.发明公开
公开(公告)号：KR1020090105304A
公开(公告)日：2009-10-07
申请号：KR1020080030677
申请日：2008-04-02
CPC classification number: H04W52/367 , H04L1/1607 , H04L5/0032 , H04W16/14 , H04W52/241 , H04W52/46 , H04W72/04 , H04W88/04 , H04J11/0069 , H04W16/26 , H04W28/04
Abstract: PURPOSE: An efficient resource allocator and a method thereof using wireless communication in network are provided to increase the efficiency of frequency in entire system. CONSTITUTION: An efficient resource allocator and a method thereof using wireless communication in network are as follows. An inner terminal calculates the minimum transmission electric power value of MRS(401). The minimum transmission electric power value of MRS includes the receive signal to noise and interference ratio value. The transmission electric power value is determined in consideration of the calculated minimum transmission electric power value(403). The transmission electric power value of MRS is calculated according to each PCS(405).
Abstract translation: 目的：提供一种高效的资源分配器及其在网络中使用无线通信的方法，以提高整个系统的频率效率。 构成：在网络中使用无线通信的有效资源分配器及其方法如下。 内部终端计算MRS的最小发送功率值（401）。 MRS的最小传输功率值包括接收信噪比和干扰比值。 考虑到计算出的最小传输功率值（403）来确定传输电功率值。 根据各PCS（405）计算MRS的传输功率值。
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80.发明公开
公开(公告)号：KR1020090103409A
公开(公告)日：2009-10-01
申请号：KR1020080029000
申请日：2008-03-28
IPC: H04B7/26
CPC classification number: H04W28/18 , H04W72/0426 , H04W72/0453 , H04W72/08
Abstract: PURPOSE: A method for reporting an average signal-to-noise ratio and a method for resource allocation and cooperation based on the average signal-to-noise ratio are provided to use base station resource allocation and base station cooperation through the average signal-to-noise ratio which is not quickly changed according to time and space, thereby reducing complexity of system operation. CONSTITUTION: A method for reporting an average signal-to-noise ratio comprises the following steps. An active base station having an SNR higher than a critical value is determined(101). An active base station group to which a controller controlling a primary base station belongs is selected among the determined active base stations(102). The average signal-to-noise ratio of the selected active base station is fed back to the controller(103).
Abstract translation: 目的：提供平均信噪比报告方法和基于平均信噪比的资源分配与协作方法，通过平均信噪比对基站资源分配和基站合作进行分析， - 根据时间和空间不会快速改变，从而降低系统运行的复杂性。 构成：报告平均信噪比的方法包括以下步骤。 确定SNR高于临界值的有源基站（101）。 在确定的活动基站（102）中选择控制主基站所属控制器的活动基站组。 所选活动基站的平均信噪比被反馈给控制器（103）。
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