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公开(公告)号：KR1020120035340A
公开(公告)日：2012-04-16
申请号：KR1020100096798
申请日：2010-10-05
Applicant: 삼성전기주식회사
Abstract: PURPOSE: A wireless communication apparatus including an idle channel scanning function and communication method thereof are provided to rapidly execute communication through an idle channel by preferentially scanning a local idle channel by using a GPS(Global Positioning System) signal. CONSTITUTION: A selection unit(110) selects a path according to a feature of a signal. A control unit(150) selectively controls the path selection of the selection unit, the signal selection of a second frequency band, and the signal processing of a GPS signal. The signal of the second frequency band is selected by a signal processing unit(130). A data processing unit receives a current location through the GPS signal. The data processing unit controls the scanning of an idle channel in the second frequency band and a first frequency band according to channel information corresponding to the current location.
Abstract translation: 目的：提供一种包括空闲信道扫描功能及其通信方法的无线通信装置，通过使用GPS（全球定位系统）信号优先扫描本地空闲信道，通过空闲信道快速执行通信。 构成：选择单元（110）根据信号的特征选择路径。 控制单元（150）选择性地控制选择单元的路径选择，第二频带的信号选择以及GPS信号的信号处理。 第二频带的信号由信号处理单元（130）选择。 数据处理单元通过GPS信号接收当前位置。 数据处理单元根据对应于当前位置的信道信息来控制第二频带中的空闲信道的扫描和第一频带。
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公开(公告)号：KR1020110066581A
公开(公告)日：2011-06-17
申请号：KR1020090123293
申请日：2009-12-11
Applicant: 삼성전기주식회사 , 광운대학교 산학협력단
IPC: H04W16/14
Abstract: PURPOSE: An apparatus for detecting idle frequency band and a method thereof are provided to detect idle frequency band by combining detection results of a plurality of unlicensed wireless communication terminals. CONSTITUTION: A communication device group comprises a plurality of unlicensed wireless communication devices(CR1-CR5) which compares a received signal level with a reference signal level. A master device forms a network which is previously established with the communication device group. The master communication device compares the signal level of the licensed wireless communication device with the reference signal level. The master communication device determines the channel use of the licensed wireless communication device based on the comparison result.
Abstract translation: 目的：提供一种用于检测空闲频带的装置及其方法，用于通过组合多个未许可无线通信终端的检测结果来检测空闲频带。 构成：通信设备组包括将接收到的信号电平与参考信号电平进行比较的多个未许可的无线通信设备（CR1-CR5）。 主设备形成先前通过通信设备组建立的网络。 主通信设备将许可无线通信设备的信号电平与参考信号电平进行比较。 主通信设备基于比较结果确定许可无线通信设备的信道使用。
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公开(公告)号：KR1020110021521A
公开(公告)日：2011-03-04
申请号：KR1020090079369
申请日：2009-08-26
Applicant: 삼성전기주식회사
CPC classification number: H03G1/0094 , H03G1/0035 , H03G3/3052
Abstract: PURPOSE: An RF variable gain amplifier is provided to control an accurate RF gain by compensating impedance which is changed according to the operation of a capacitive distributor type amplifier. CONSTITUTION: In an RF variable gain amplifier, a capacitive division unit(100) is connected between an input connection node and the ground. The capacitive division unit comprises a first to n-th capacitor division part which divides an input signal through an input node. A variable amplifying part(200) comprises n-th amplifier amplifying a signal from the first to n-th capacitor division part respectively. The variable amplifying part comprises an input amplifier amplifying a signal from an input connection node A load(300) is connected between the output terminal and the power source terminal of the variable amplifying part. An impedance compensation part(400) is connected to the input connection node. The impedance compensation part comprises an input amplifier and an input dummy amplifier which is complementarily operated with the input amplifier.
Abstract translation: 目的：提供一个RF可变增益放大器，通过补偿根据电容分配器类型放大器的工作而改变的阻抗来控制精确的RF增益。 构成：在RF可变增益放大器中，电容分配单元（100）连接在输入连接节点和地之间。 电容分割单元包括通过输入节点分割输入信号的第一至第n电容器分配部分。 可变放大部分（200）包括分别放大来自第一至第n电容器分配部分的信号的第n放大器。 可变放大部分包括放大来自输入连接节点A的信号的输入放大器，负载（300）连接在可变放大部分的输出端和电源端之间。 阻抗补偿部分（400）连接到输入连接节点。 阻抗补偿部分包括与输入放大器互补操作的输入放大器和输入虚拟放大器。
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公开(公告)号：KR1020110012392A
公开(公告)日：2011-02-09
申请号：KR1020090070100
申请日：2009-07-30
Applicant: 삼성전기주식회사
IPC: H03F3/30
CPC classification number: H03F1/565 , H01P5/08 , H03F1/42 , H03F3/3001 , H03F2200/378
Abstract: PURPOSE: A broadband power amplifier having a push-pull structure optimizes power matching at a baseband and high band by forming a capacitance tuning structure within a chip. CONSTITUTION: A power amplification part(110) amplifies the power of an input signal by using a push-pull structure. An inductor circuit part(130) is connected to a line between the output terminal of the power amplification part and the final output terminal. An output capacitor circuit part(140) is connected between the final output terminal and the ground. A variable capacity circuit part(150) is connected between the final output terminal and the ground. A variable capacity circuit part has a variable capacitance for power matching at a baseband and high band. A power amplification part and variable capacity circuit part are formed within one chip.
Abstract translation: 目的：具有推挽结构的宽带功率放大器通过在芯片内形成电容调谐结构来优化基带和高频带的功率匹配。 构成：功率放大部件（110）通过使用推挽结构来放大输入信号的功率。 电感电路部分（130）连接到功率放大部分的输出端和最终输出端之间的一条线上。 输出电容电路部分（140）连接在最终输出端和地之间。 可变容量电路部分（150）连接在最终输出端子和地之间。 可变容量电路部分具有用于在基带和高频带处的功率匹配的可变电容。 功率放大部分和可变容量电路部分形成在一个芯片内。
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公开(公告)号：KR1020100049453A
公开(公告)日：2010-05-12
申请号：KR1020080108611
申请日：2008-11-03
Applicant: 삼성전기주식회사 , 고려대학교 산학협력단
CPC classification number: H04B7/024 , H04B7/15592
Abstract: PURPOSE: A communication method in network including a plurality of communication nodes is provided to restrain the increase of error ratio in case the telecommunication is impossible using a direct path between two communications nodes. CONSTITUTION: The first communications node is instituted as a source node(S11). A communication node in which the channel condition with the source node is good is selected(S12). The node group is set(S13). The node group comprises communication nodes which can communicate with smaller error ratio than standard error. The communication node belong to the node group is set as a target node(S14). The communication of the single relay mode to the target node from the source node is operated using the selected communications node as the relaying node(S15).
Abstract translation: 目的：提供包括多个通信节点在内的网络中的通信方法，以便在使用两个通信节点之间的直接路径的电信不可能的情况下抑制误差率的增加。 构成：第一个通信节点被设置为源节点（S11）。 选择与源节点的信道状态良好的通信节点（S12）。 设置节点组（S13）。 节点组包括可以以比标准误差更小的误差率进行通信的通信节点。 属于节点组的通信节点被设置为目标节点（S14）。 使用所选择的通信节点作为中继节点来操作来自源节点的单个中继模式到目标节点的通信（S15）。
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Patent Agency Ranking
公开(公告)号：KR1020100027858A
公开(公告)日：2010-03-11
申请号：KR1020080086945
申请日：2008-09-03
Applicant: 삼성전기주식회사 , 고려대학교 산학협력단
CPC classification number: H03B19/14 , H03B5/1212 , H03B5/1265 , H03B5/24
Abstract: PURPOSE: An injection locked frequency divider is provided to reduce power consumption due to a phase locked loop circuit by replacing a fixed frequency divider or variable frequency divider. CONSTITUTION: An output circuit unit(11) includes first and second transistors(M1,M2) forming a gate-drain cross coupling and an LC tank. The output circuit unit outputs a frequency to each connection node of the first and second transistors and the LC tank. An input circuit unit(12) includes an input transistor and a feedback inductor. The input transistor includes a gate which receives an injection frequency and a drain connected to the common source of the first and second transistors. The feedback inductor is connected between the drain and gate of the input transistor.
Abstract translation: 目的：提供一种注入锁定分频器，通过更换固定分频器或可变分频器来减少由于锁相环电路造成的功耗。 构成：输出电路单元（11）包括形成栅极 - 漏极交叉耦合的第一和第二晶体管（M1，M2）和LC箱。 输出电路单元向第一和第二晶体管和LC箱的每个连接节点输出频率。 输入电路单元（12）包括输入晶体管和反馈电感器。 输入晶体管包括接收注入频率的栅极和连接到第一和第二晶体管的公共源的漏极。 反馈电感连接在输入晶体管的漏极和栅极之间。
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公开(公告)号：KR1020100019779A
公开(公告)日：2010-02-19
申请号：KR1020080078497
申请日：2008-08-11
Applicant: 삼성전기주식회사 , 고려대학교 산학협력단
Abstract: PURPOSE: A phase shifter using an amplifier as a switch is provided to operate a switch function in a high frequency region without a high loss by maintaining a difference between isolation rates in a on state and a off state. CONSTITUTION: A plurality of conductive lines(111,112,113) has a different electrical length. A plurality of input amplifiers(121,122,123) are one by one connected between one side of each conductive line and an input terminal(101). Each input amplifier switches the corresponding conductive line to the input terminal by a DC power supply. The gains of input amplifiers are respectively differently formed. The input amplifier comprises the CMOS FET. The CMOS FET comprises the common source CMOS FET.
Abstract translation: 目的：提供使用放大器作为开关的移相器，通过保持导通状态和断开状态下的隔离率之间的差异，在高频区域中操作开关功能而没有高损耗。 构成：多条导线（111,112,113）具有不同的电长度。 多个输入放大器（121,122,123）逐个连接在每条导线的一侧和输入端（101）之间。 每个输入放大器通过直流电源将相应的导线切换到输入端。 输入放大器的增益分别不同。 输入放大器包括CMOS FET。 CMOS FET包括公共源CMOS FET。
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公开(公告)号：KR1020130083660A
公开(公告)日：2013-07-23
申请号：KR1020120004405
申请日：2012-01-13
Applicant: 삼성전기주식회사
CPC classification number: G06F1/26 , H02J5/005 , H02J7/0052 , H02J50/10 , H04B5/0037 , H04B5/0087
Abstract: PURPOSE: A wireless power transmission apparatus and a method thereof are provided to recognize the existence of a receiving device, by broadcasting a periodic preamble signal. CONSTITUTION: A switching block delivers a power signal to a periodic preamble signal. The switching block transmits the power signal to a power amplification and transmission block (50). The power amplification and transmission block amplifies the power signal and transmits the amplified power signal to a coil array block (70). A sensing block (90) senses variation of the preamble signal. A power distribution and control block controls the switching block. [Reference numerals] (10) Power distribution and control block; (30) Switching block; (50) Power amplification and transmission block; (70) Multi coil array block; (90) Sensing block; (AA) Power path; (BB) Preamble signal path; (CC) Sensing signal path
Abstract translation: 目的：提供无线电力传输装置及其方法，通过广播周期性前导信号来识别接收装置的存在。 构成：切换块将功率信号传送到周期性前导信号。 切换块将功率信号发送到功率放大和传输块（50）。 功率放大和传输块放大功率信号，并将放大的功率信号发送到线圈阵列块（70）。 感测块（90）感测前导码信号的变化。 配电和控制块控制切换块。 （附图标记）（10）配电控制块; （30）开关块; （50）功率放大和传输块; （70）多线圈阵列块; （90）传感块; （AA）电源路径; （BB）前导信号路径; （CC）感应信号路径
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公开(公告)号：KR1020130033867A
公开(公告)日：2013-04-04
申请号：KR1020110097815
申请日：2011-09-27
Applicant: 삼성전기주식회사
IPC: H02J17/00
Abstract: PURPOSE: A wireless power transmission system is provided to increase the efficiency of a wireless power transmission system by properly using a magnetic induction method and a magnetic resonance method according to the distance between coils for transmitting and receiving. CONSTITUTION: A transmission unit(120) generates power for charging a battery(180) before transmitting. The transmission unit includes a power generating device(122), and a power transmitting device(124). A receiving unit(140) receives the transmitted power and charges the battery. The receiving unit includes a power receiving device(142), and a driving device(144). A transmission controlling unit(160) controls to selectively use a magnetic induction method and a magnetic resonance method according to a distance between the transmission unit and a receiving unit. [Reference numerals] (122) Power generating device; (125) Variable capacitor; (144) Driving device; (162) Detecting device; (164) Transmission controlling device; (180) Battery;
Abstract translation: 目的：提供一种无线电力传输系统，通过适当使用磁感应法和磁共振法，根据发送和接收线圈之间的距离，提高无线电力传输系统的效率。 构成：发送单元（120）在发送前产生用于对电池（180）充电的电力。 发送单元包括发电装置（122）和电力发送装置（124）。 接收单元（140）接收所发送的电力并对电池充电。 接收单元包括电力接收装置（142）和驱动装置（144）。 变速器控制单元（160）根据发送单元和接收单元之间的距离控制选择性地使用磁感应方法和磁共振方法。 （附图标记）（122）发电装置; （125）可变电容器; （144）驱动装置; （162）检测装置; （164）变速器控制装置; （180）电池;
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公开(公告)号：KR101090024B1
公开(公告)日：2011-12-05
申请号：KR1020090079369
申请日：2009-08-26
Applicant: 삼성전기주식회사
Abstract: 본 발명은 RF 가변 이득 증폭기에 관한 것으로, 입력 접속노드와 접지 사이에 접속되어, 입력노드를 통한 입력 신호를 단계적으로 분할하는 복수의 제1 내지 제n 커패시터 분할부를 포함하는 커패시티브 분할부; 상기 복수의 제1 내지 제n 커패시터 분할부 각각으로부터의 신호를 각각 증폭하는 제1 내지 제 n 증폭부와, 상기 입력 접속노드로부터의 신호를 증폭하는 입력 증폭부를 포함하는 가변 증폭부; 상기 가변 증폭부의 출력단과 전원단 사이에 연결된 부하부; 및 상기 입력 접속노드에 연결되고, 상기 입력 증폭부와 상보적으로 온/오프 동작하는 입력 더미 증폭부를 포함하는 임피던스 보상부를 구비한다.
RF, 가변 이득, 증폭, 임피던스 보상
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