专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

US08116396B2 Method for re-ordering multiple layers and detecting signal of which the layers have different modulation orders in multiple input multiple output antenna system and receiver using the same 有权
标题翻译：在多输入多输出天线系统和接收机中重新排序多层并检测哪些层具有不同调制阶数的信号的方法
公开(公告)号：US08116396B2
公开(公告)日：2012-02-14
申请号：US12496062
申请日：2009-07-01
申请人： Seungjae Bahng , Junghyun Kim , Youn Ok Park
发明人： Seungjae Bahng , Junghyun Kim , Youn Ok Park
IPC分类号： H04K1/10 , H04L27/28 , H04L27/00
CPC分类号： H04L25/0204 , H04L1/0656 , H04L25/0242 , H04L25/0246 , H04L25/0321 , H04L27/3488
摘要： Disclosed are a method for re-ordering multiple layers and detecting signals and a receiver using the same to be able to exert performance approaching a maximum likelihood scheme while having lower complexity than that of the maximum likelihood scheme in a multiple input multiple output (MIMO) antenna system in a form where each layer is modulated and transmitted with different modulation orders.
摘要翻译：公开了一种重新排序多层和检测信号的方法，以及使用该方法的接收机能够在多输入多输出（MIMO）中具有接近最大似然方案的性能，同时具有比最大似然方案更低的复杂度的性能。天线系统的形式，其中每个层被调制和传输不同的调制阶。

22. 发明授权

US07388427B2 Multiple power mode amplifier with bias modulation option and without bypass switches 有权
公开(公告)号：US07388427B2
公开(公告)日：2008-06-17
申请号：US11857966
申请日：2007-09-19
申请人： Junghyun Kim , Daehee Lee , Sanghwa Jung , Youngwoo Kwon , Moon-Seok Jeon
发明人： Junghyun Kim , Daehee Lee , Sanghwa Jung , Youngwoo Kwon , Moon-Seok Jeon
IPC分类号： H03F1/14
CPC分类号： H03F1/0261 , H03F1/0211 , H03F1/0277 , H03F1/32 , H03F1/56 , H03F3/195 , H03F2200/222 , H03F2200/225 , H03F2200/318 , H03F2200/387 , H03F2200/391 , H03F2200/451
摘要： A multiple power mode amplifier provides a low and a high power mode without using switches. This amplifier may be used in radio frequency (RF) applications such as mobile telephones, pagers, portable digital assistants, and wireless e-mail devices. In the low power mode, the power consumption of the amplifier is reduced, which will increase operation time, especially important for battery-operated devices. In one implementation, the amplifier includes a number of impedance matching network units (130, 140, 150, and 160), impedance transformer (170), and a power stage (120). An implementation provides further power consumption savings by modulating a bias of an amplifier stage.

23. 发明申请

US20080007329A1 MULTIPLE POWER MODE AMPLIFIER WITH BIAS MODULATION OPTION AND WITHOUT BYPASS SWITCHES 有权
公开(公告)号：US20080007329A1
公开(公告)日：2008-01-10
申请号：US11857966
申请日：2007-09-19
申请人： Junghyun Kim , Daehee Lee , Sanghwa Jung , Youngwoo Kwon , Moon-Seok Jeon
发明人： Junghyun Kim , Daehee Lee , Sanghwa Jung , Youngwoo Kwon , Moon-Seok Jeon
IPC分类号： H03F1/14
CPC分类号： H03F1/0261 , H03F1/0211 , H03F1/0277 , H03F1/32 , H03F1/56 , H03F3/195 , H03F2200/222 , H03F2200/225 , H03F2200/318 , H03F2200/387 , H03F2200/391 , H03F2200/451
摘要： A multiple power mode amplifier provides a low and a high power mode without using switches. This amplifier may be used in radio frequency (RF) applications such as mobile telephones, pagers, portable digital assistants, and wireless e-mail devices. In the low power mode, the power consumption of the amplifier is reduced, which will increase operation time, especially important for battery-operated devices. In one implementation, the amplifier includes a number of impedance matching network units (130, 140, 150, and 160), impedance transformer (170), and a power stage (120). An implementation provides further power consumption savings by modulating a bias of an amplifier stage.

24. 发明授权

US07304537B2 Power amplification apparatus of a portable terminal 有权
公开(公告)号：US07304537B2
公开(公告)日：2007-12-04
申请号：US11590311
申请日：2006-10-31
申请人： Youngwoo Kwon , Junghyun Kim , Seong-Jun Bae
发明人： Youngwoo Kwon , Junghyun Kim , Seong-Jun Bae
IPC分类号： H03F3/68
CPC分类号： H03F1/0233 , H03F1/02 , H03F1/0205 , H03F1/0288 , H03F1/32 , H03F3/24 , H03F2200/102 , H03F2200/198 , H03F2200/423 , H03F2200/543 , H04B2001/045
摘要： The present invention relates to a power amplification circuit of a mobile device for improving the efficiency and the linearity properties of the power amplifier. In one embodiment, the power amplifier improves these properties by controlling the input voltage of the supplemental amplifier so that the power amplifier operates as the Doherty mode in the low output power mode depending on the magnitude of the output power from the output unit and so that the input voltage of the supplemental amplifier may be increased up to satisfy the non-linear operational requirements of a power amplifier in the high output power mode. Moreover, because only the input voltage of the supplemental amplifier is controlled, the power amplifier can be implemented in a simple manner. Thus, the size of the power amplifier becomes small, which in turn reduces the cost of the power amplifier, among other things.

25. 发明授权

US07061314B2 High linearity doherty communication amplifier with phase control 失效
标题翻译：具有相位控制的高线性度通用放大器
公开(公告)号：US07061314B2
公开(公告)日：2006-06-13
申请号：US10737364
申请日：2003-12-15
申请人： Youngwoo Kwon , Junghyun Kim
发明人： Youngwoo Kwon , Junghyun Kim
IPC分类号： H03F3/68
CPC分类号： H03F1/0233 , H03F1/02 , H03F1/0205 , H03F1/0288 , H03F1/32 , H03F3/24 , H03F2200/102 , H03F2200/198 , H03F2200/423 , H03F2200/543 , H04B2001/045
摘要： A high linearity Doherty power amplifier with phase delay generation and control via passive and active components. In one embodiment, phase delay generation and control is implemented by an active phase shifter comprising a lower differential unit for generating a first differential output signal, an upper differential unit for generating a second differential output signal, and a phase control unit for tuning a phase difference between the first and second differential output signals within a phase tolerance. In addition, to improve efficiency and linearity characteristics, the power amplifier receives a voltage control signal to bias a supplemental amplifier so that the power amplifier operates in a Doherty mode in a low output power range and in a non-Doherty mode in a high output power range.
摘要翻译：高线性Doherty功率放大器，通过无源和有源组件产生和控制相位延迟。在一个实施例中，相位延迟产生和控制由有源移相器实现，该有源移相器包括用于产生第一差分输出信号的下差分单元，用于产生第二差分输出信号的上差分单元，以及用于调谐相位的相位控制单元第一和第二差分输出信号在相位容差内的差异。此外，为了提高效率和线性特性，功率放大器接收电压控制信号以偏置补充放大器，使得功率放大器在低输出功率范围内的Doherty模式中工作，并且在高输出中以非Doherty模式工作功率范围

26. 发明申请

US20060055447A1 Temperature-Compensated Circuit for Power Amplifier Using Diode Voltage Control 有权
标题翻译：使用二极管电压控制的功率放大器的温度补偿电路
公开(公告)号：US20060055447A1
公开(公告)日：2006-03-16
申请号：US10905659
申请日：2005-01-14
申请人： Jooyoung Jeon , Junghyun Kim
发明人： Jooyoung Jeon , Junghyun Kim
IPC分类号： H01L35/00
CPC分类号： H03F1/30
摘要： Provided is a temperature-compensated circuit for a power amplifier through diode voltage control, in which a first resistor (Rref), a first diode (D1), and a second diode (D2) are connected to a reference voltage in series. The temperature-compensated circuit includes a second resistor (R1) connected to the reference voltage, a third resistor (R2) connected to the second resistor in series, a fourth resistor (Rc) having one terminal connected to the reference voltage, a fifth resistor (Re) having one terminal connected to ground, a bias transistor having a base terminal connected to a contact point (VS) between the second resistor and the third resistor, a collector terminal connected to the other terminal of the fourth resistor, and an emitter terminal connected to the other terminal of the fifth resistor, and a sixth resistor (Rf) connected between a series connection terminal between the first diode and the second diode, and the collector terminal of the bias transistor. The voltage of the collector terminal changes for compensation of a temperature.
摘要翻译：提供了一种通过二极管电压控制的功率放大器的温度补偿电路，其中第一电阻器（Rref），第一二极管（D 1）和第二二极管（D 2）串联连接到参考电压。温度补偿电路包括连接到参考电压的第二电阻器（R 1），串联连接到第二电阻器的第三电阻器（R 2），具有连接到参考电压的一个端子的第四电阻器（Rc），具有一个端子连接到地的第五电阻器（Re），具有连接到第二电阻器和第三电阻器之间的接触点（VS）的基极端子的偏置晶体管，连接到第四电阻器的另一端子的集电极端子，以及连接到第五电阻器的另一个端子的发射极端子和连接在第一二极管和第二二极管之间的串联连接端子之间的第六电阻器（Rf）和偏置晶体管的集电极端子。为了补偿温度，集电极端子的电压发生变化。

27. 发明授权

US08369430B2 Method for detecting signal, device for detecting signal, and receiving device 有权
标题翻译：检测信号的方法，信号检测装置和接收装置
公开(公告)号：US08369430B2
公开(公告)日：2013-02-05
申请号：US12766340
申请日：2010-04-23
申请人： Seungjae Bahng , Junghyun Kim , Hoon Lee , Youn Ok Park
发明人： Seungjae Bahng , Junghyun Kim , Hoon Lee , Youn Ok Park
IPC分类号： H04K1/10 , H04L27/28
CPC分类号： H04L27/02
摘要： The present invention relates to a method for detecting a signal, a device for detecting a signal, and a receiving device. A method for detecting a signal according to the present invention is a method for detecting a signal from a receiving device in a communication system including a multi-output multi-input antenna, including: estimating a channel matrix of a signal received from a plurality of receiving antennas; generating at least one channel matrix groups by aligning the channel matrix and generating at least one transmitting signal group by aligning a transmitting signal to be estimated to correspond thereto; determining a first candidate vector in consideration of all constellation points for a first layer of the at least one transmitting signal group; determining a second candidate vector in consideration of all constellation points for a second layer of the at least one transmitting signal group; generating a final candidate vector including the first candidate vector and the second candidate vector; and calculating a soft output using the final candidate vector.
摘要翻译：本发明涉及用于检测信号的方法，用于检测信号的装置和接收装置。根据本发明的用于检测信号的方法是一种用于在包括多输出多输入天线的通信系统中检测来自接收装置的信号的方法，包括：估计从多个输入端接收的信号的信道矩阵接收天线; 通过对齐所述信道矩阵并生成至少一个发送信号组来产生至少一个信道矩阵组，通过对准要估计的发送信号与之相对应; 考虑到所述至少一个发射信号组的第一层的所有星座点，确定第一候选矢量; 考虑到所述至少一个发射信号组的第二层的所有星座点，确定第二候选矢量; 生成包括第一候选向量和第二候选向量的最终候选向量; 并使用最终候选向量计算软输出。

28. 发明申请

US20100272205A1 METHOD FOR DETECTING SIGNAL, DEVICE FOR DETECTING SIGNAL, AND RECEIVING DEVICE 有权
标题翻译：用于检测信号的方法，用于检测信号的装置和接收装置
公开(公告)号：US20100272205A1
公开(公告)日：2010-10-28
申请号：US12766340
申请日：2010-04-23
申请人： Seungjae BAHNG , Junghyun KIM , Hoon LEE , Youn Ok PARK
发明人： Seungjae BAHNG , Junghyun KIM , Hoon LEE , Youn Ok PARK
IPC分类号： H04L1/02
CPC分类号： H04L27/02
摘要： The present invention relates to a method for detecting a signal, a device for detecting a signal, and a receiving device. A method for detecting a signal according to the present invention is a method for detecting a signal from a receiving device in a communication system including a multi-output multi-input antenna, including: estimating a channel matrix of a signal received from a plurality of receiving antennas; generating at least one channel matrix groups by aligning the channel matrix and generating at least one transmitting signal group by aligning a transmitting signal to be estimated to correspond thereto; determining a first candidate vector in consideration of all constellation points for a first layer of the at least one transmitting signal group; determining a second candidate vector in consideration of all constellation points for a second layer of the at least one transmitting signal group; generating a final candidate vector including the first candidate vector and the second candidate vector; and calculating a soft output using the final candidate vector.
摘要翻译：本发明涉及用于检测信号的方法，用于检测信号的装置和接收装置。根据本发明的用于检测信号的方法是一种用于在包括多输出多输入天线的通信系统中检测来自接收装置的信号的方法，包括：估计从多个输入端接收的信号的信道矩阵接收天线; 通过对齐所述信道矩阵并生成至少一个发送信号组来产生至少一个信道矩阵组，通过对准要估计的发送信号与之相对应; 考虑到所述至少一个发射信号组的第一层的所有星座点，确定第一候选矢量; 考虑到所述至少一个发射信号组的第二层的所有星座点，确定第二候选矢量; 生成包括第一候选向量和第二候选向量的最终候选向量; 并使用最终候选向量计算软输出。

29. 发明授权

US07394313B2 Multiple power mode amplifier with bias modulation option and without bypass switches 有权
标题翻译：具有偏置调制选项和无旁路开关的多功率模式放大器
公开(公告)号：US07394313B2
公开(公告)日：2008-07-01
申请号：US11857603
申请日：2007-09-19
申请人： Junghyun Kim , Daehee Lee , Sanghwa Jung , Youngwoo Kwon , Moon-Seok Jeon
发明人： Junghyun Kim , Daehee Lee , Sanghwa Jung , Youngwoo Kwon , Moon-Seok Jeon
IPC分类号： H03F1/14
CPC分类号： H03F1/0261 , H03F1/0211 , H03F1/0277 , H03F1/32 , H03F1/56 , H03F3/195 , H03F2200/222 , H03F2200/225 , H03F2200/318 , H03F2200/387 , H03F2200/391 , H03F2200/451
摘要： A multiple power mode amplifier provides a low and a high power mode without using switches. This amplifier may be used in radio frequency (RF) applications such as mobile telephones, pagers, portable digital assistants, and wireless e-mail devices. In the low power mode, the power consumption of the amplifier is reduced, which will increase operation time, especially important for battery-operated devices. In one implementation, the amplifier includes a number of impedance matching network units (130, 140, 150, and 160), impedance transformer (170), and a power stage (120). An implementation provides further power consumption savings by modulating a bias of an amplifier stage.
摘要翻译：多功率模式放大器提供低功耗和高功率模式，而不使用开关。该放大器可以用于射频（RF）应用，例如移动电话，寻呼机，便携式数字助理和无线电子邮件设备。在低功耗模式下，放大器的功耗降低，这将增加操作时间，对于电池供电的设备尤为重要。在一个实现中，放大器包括多个阻抗匹配网络单元（130,140,150和160），阻抗变压器（170）和功率级（120）。实现通过调制放大器级的偏置来节省更多的功耗。

30. 发明授权

US07310015B2 Temperature-compensated circuit for power amplifier using diode voltage control 有权
标题翻译：使用二极管电压控制的功率放大器的温度补偿电路
公开(公告)号：US07310015B2
公开(公告)日：2007-12-18
申请号：US10905659
申请日：2005-01-14
申请人： Jooyoung Jeon , Junghyun Kim
发明人： Jooyoung Jeon , Junghyun Kim
IPC分类号： G05F3/02 , H03F3/04
CPC分类号： H03F1/30
摘要： Provided is a temperature-compensated circuit for a power amplifier through diode voltage control, in which a first resistor (Rref), a first diode (D1), and a second diode (D2) are connected to a reference voltage in series. The temperature-compensated circuit includes a second resistor (R1) connected to the reference voltage, a third resistor (R2) connected to the second resistor in series, a fourth resistor (Rc) having one terminal connected to the reference voltage, a fifth resistor (Re) having one terminal connected to ground, a bias transistor having a base terminal connected to a contact point (VS) between the second resistor and the third resistor, a collector terminal connected to the other terminal of the fourth resistor, and an emitter terminal connected to the other terminal of the fifth resistor, and a sixth resistor (Rf) connected between a series connection terminal between the first diode and the second diode, and the collector terminal of the bias transistor. The voltage of the collector terminal changes for compensation of a temperature.
摘要翻译：提供了一种通过二极管电压控制的功率放大器的温度补偿电路，其中第一电阻器（Rref），第一二极管（D 1）和第二二极管（D 2）串联连接到参考电压。温度补偿电路包括连接到参考电压的第二电阻器（R 1），串联连接到第二电阻器的第三电阻器（R 2），具有连接到参考电压的一个端子的第四电阻器（Rc），具有一个端子连接到地的第五电阻器（Re），具有连接到第二电阻器和第三电阻器之间的接触点（VS）的基极端子的偏置晶体管，连接到第四电阻器的另一端子的集电极端子，以及连接到第五电阻器的另一个端子的发射极端子和连接在第一二极管和第二二极管之间的串联连接端子之间的第六电阻器（Rf）和偏置晶体管的集电极端子。为了补偿温度，集电极端子的电压发生变化。

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