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11. 发明申请

US20100027458A1 Method and System for Full Duplex Relaying in a Wireless Communication Network 有权
标题翻译：无线通信网络全双工中继方法与系统
公开(公告)号：US20100027458A1
公开(公告)日：2010-02-04
申请号：US12475241
申请日：2009-05-29
申请人： Tao Wu , Young Hoon Kwon , Yang Tang
发明人： Tao Wu , Young Hoon Kwon , Yang Tang
IPC分类号： H04B7/14
CPC分类号： H04B7/2606 , H04B7/026 , H04B7/15507 , H04B7/15592
摘要： Embodiments of the present invention are systems and methods for wireless communication. According to one embodiment, a system for wireless communication comprises a first relay station, second relay station, and a base station. The first relay station and the second relay station are operable to receive and transmit wireless signals. The base station is operable to transmit the wireless signals to the first relay station and the second relay station in an interchanging pattern during successive time frames so that the first relay station and the second relay station forward the wireless signals to a mobile station.
摘要翻译：本发明的实施例是用于无线通信的系统和方法。根据一个实施例，一种用于无线通信的系统包括第一中继站，第二中继站和基站。第一中继站和第二中继站可操作以接收和发送无线信号。基站可操作以在连续的时间帧期间以相互交换的模式将无线信号发送到第一中继站和第二中继站，使得第一中继站和第二中继站将无线信号转发到移动站。

12. 发明授权

US08432885B2 System and method for channel status information feedback in a wireless communications system 有权
标题翻译：无线通信系统中信道状态信息反馈的系统和方法
公开(公告)号：US08432885B2
公开(公告)日：2013-04-30
申请号：US12423485
申请日：2009-04-14
申请人： Young Hoon Kwon , Yang Tang , Tao Wu
发明人： Young Hoon Kwon , Yang Tang , Tao Wu
IPC分类号： H04J3/00 , G01R31/08
CPC分类号： H04B7/0626
摘要： A system and method for channel status information feedback in a wireless communications system is provided. A method includes receiving a transmission containing feedback information from a mobile station (MS) having N total antennas, M receive/transmit antennas, N−M receive-only antennas, wherein N and M are integers and N>M, decoding the received transmission, computing estimates of CSI for channel elements of N−M receive-only antennas using the decoded transmission, computing estimates of CSI for channel elements of M receive/transmit antennas using channel reciprocity, and computing a precoding matrix from the channel elements for the N−M receive-only antennas and the M receive/transmit antennas.
摘要翻译：提供了一种用于无线通信系统中的信道状态信息反馈的系统和方法。一种方法包括从具有N个总天线的移动站（MS）接收包含反馈信息的传输，M个接收/发送天线，仅NM个接收天线，其中N和M是整数，并且N> M，解码所接收的传输，计算使用解码的传输对NM接收天线的信道单元的CSI的估计，使用信道互逆计算M个接收/发射天线的信道单元的CSI的估计，以及从NM只接收天线的信道单元计算预编码矩阵和M个接收/发射天线。

13. 发明申请

US20090257423A1 System and Method for Channel Status Information Feedback in a Wireless Communications System 有权
标题翻译：无线通信系统中信道状态信息反馈的系统和方法
公开(公告)号：US20090257423A1
公开(公告)日：2009-10-15
申请号：US12423485
申请日：2009-04-14
申请人： Young Hoon Kwon , Yang Tang , Tao Wu
发明人： Young Hoon Kwon , Yang Tang , Tao Wu
IPC分类号： H04B7/00 , H04J3/00
CPC分类号： H04B7/0626
摘要： A system and method for channel status information feedback in a wireless communications system is provided. A method includes receiving a transmission containing feedback information from a mobile station (MS) having N total antennas, M receive/transmit antennas, N−M receive-only antennas, wherein N and M are integers and N>M, decoding the received transmission, computing estimates of CSI for channel elements of N−M receive-only antennas using the decoded transmission, computing estimates of CSI for channel elements of M receive/transmit antennas using channel reciprocity, and computing a precoding matrix from the channel elements for the N−M receive-only antennas and the M receive/transmit antennas.
摘要翻译：提供了一种用于无线通信系统中的信道状态信息反馈的系统和方法。一种方法包括从具有N个总天线的移动站（MS）接收包含反馈信息的传输，M个接收/发送天线，仅NM个接收天线，其中N和M是整数，并且N> M，解码所接收的传输，计算使用解码的传输对NM接收天线的信道单元的CSI的估计，使用信道互逆计算M个接收/发射天线的信道单元的CSI的估计，以及从NM只接收天线的信道单元计算预编码矩阵和M个接收/发射天线。

14. 发明授权

US09125183B2 Compact transceiver architecture for achieving device to device (D2D) communication using uplink and downlink carrier frequencies 有权
标题翻译：用于使用上行链路和下行链路载波频率实现设备到设备（D2D）通信的紧凑型收发器架构
公开(公告)号：US09125183B2
公开(公告)日：2015-09-01
申请号：US13409963
申请日：2012-03-01
申请人： Young Hoon Kwon , Jorge Fabrega Sanchez
发明人： Young Hoon Kwon , Jorge Fabrega Sanchez
IPC分类号： H04W76/02 , H04B1/403 , H04W88/06 , H04B7/155 , H04B1/00
CPC分类号： H04W76/023 , H04B1/0028 , H04B1/403 , H04B7/15542 , H04W76/14 , H04W88/06
摘要： A system and method for device-to-device (D2D) communication is disclosed. A preferred embodiment comprises a frequency synthesizer configured to provide a first carrier frequency and a second carrier frequency, an up-converter coupled to the frequency synthesizer and configured to up-convert a first baseband signal into a cellular uplink signal when receiving the first carrier frequency from the frequency synthesizer, and configured to up-convert the first baseband signal into a first device-to-device signal when receiving the second carrier frequency from the frequency synthesizer, and a down-converter coupled to the frequency synthesizer and configured to down-convert a second device-to-device signal into a second baseband signal when receiving the first carrier frequency from the frequency synthesizer, and configured to down-convert a cellular downlink signal into the second baseband signal when receiving the second carrier frequency from the frequency synthesizer.
摘要翻译：公开了一种用于设备到设备（D2D）通信的系统和方法。优选实施例包括被配置为提供第一载波频率和第二载波频率的频率合成器，耦合到频率合成器的上变换器，并且被配置为当接收到第一载波频率时将第一基带信号上变频为蜂窝上行链路信号并且被配置为当从所述频率合成器接收到所述第二载波频率时，将所述第一基带信号上变频为第一设备到设备信号;以及下变换器，耦合到所述频率合成器，当从所述频率合成器接收到所述第一载波频率时，将第二设备信号转换为第二基带信号，并且被配置为当从所述频率合成器接收到所述第二载波频率时将蜂窝下行链路信号下变频为所述第二基带信号。

15. 发明授权

US08817687B2 System and method for channel estimation in wireless communications systems 有权
标题翻译：无线通信系统中信道估计的系统和方法
公开(公告)号：US08817687B2
公开(公告)日：2014-08-26
申请号：US12940844
申请日：2010-11-05
申请人： Ali Yazdan Panah , Young Hoon Kwon
发明人： Ali Yazdan Panah , Young Hoon Kwon
IPC分类号： H04B7/14 , H04B7/26 , H04B7/155 , H04L25/03 , H04W84/04
CPC分类号： H04B7/2606 , H04B7/15585 , H04L25/03006 , H04W84/047
摘要： A system and method for channel estimation in wireless communications systems are provided. A method for operations at a first communications device includes computing an estimate of a channel between the first communications device and a second communications device based on pilot signals transmitted from the second communications device, removing self-interference from a composite transmission relayed from a relay node, and detecting information contained in the transmissions from the second communications device from the composite transmission based on the estimate of the channel. The composite transmission includes transmissions from the first communications device and transmissions from the second communications device.
摘要翻译：提供了一种用于无线通信系统中的信道估计的系统和方法。一种用于在第一通信设备上的操作的方法包括：基于从第二通信设备发送的导频信号来计算第一通信设备和第二通信设备之间的信道的估计，从中继节点中继的复合传输中去除自干扰以及基于所述信道的估计，从所述复合传输中检测包含在来自所述第二通信设备的所述传输中的信息。复合传输包括来自第一通信设备的传输和来自第二通信设备的传输。

16. 发明申请

US20130244715A1 System and Method for Direct Mobile Communications Power Control 有权
标题翻译：直接移动通信功率控制系统与方法
公开(公告)号：US20130244715A1
公开(公告)日：2013-09-19
申请号：US13424078
申请日：2012-03-19
申请人： Young Hoon Kwon , Zhigang Rong
发明人： Young Hoon Kwon , Zhigang Rong
IPC分类号： H04W52/04 , H04W88/06 , H04W24/02
CPC分类号： H04W52/242 , H04W52/243 , H04W52/244 , H04W52/367 , H04W52/383 , H04W76/14
摘要： A method for transmitting to a direct mobile communications (DMC) device by a user equipment operating in both a cellular mode and a DMC mode includes estimating a first pathloss of a first channel from the user equipment to a base station according to a difference between a known base station transmit power level and a received base station power level, and estimating a second pathloss of a second channel from the user equipment to the DMC device according to a difference between a known DMC device transmit power level and a received DMC device power level. The method also includes setting a transmit power level for transmission to the DMC device according to the first pathloss and the second pathloss, and transmitting a signal to the DMC device at the transmit power level.
摘要翻译：通过在蜂窝模式和DMC模式下操作的用户设备向直接移动通信（DMC）设备发送的方法包括：根据第一信道之间的差异来估计第一信道从用户设备到基站的第一路径损耗已知基站发射功率电平和接收到的基站功率电平，并且根据已知的DMC设备发射功率电平和所接收的DMC设备功率电平之间的差异，从用户设备向DMC设备估计第二信道的第二路径损耗。该方法还包括根据第一路径损耗和第二路径损耗设置发送到DMC设备的发送功率电平，并以发送功率电平向DMC设备发送信号。

17. 发明申请

US20120083203A1 System and Method for Distributed Power Control in a Communications System 有权
标题翻译：通信系统中分布式功率控制的系统和方法
公开(公告)号：US20120083203A1
公开(公告)日：2012-04-05
申请号：US13242993
申请日：2011-09-23
申请人： Kien Trung Truong , Young Hoon Kwon , Philippe Sartori
发明人： Kien Trung Truong , Young Hoon Kwon , Philippe Sartori
IPC分类号： H04B17/02
CPC分类号： H04W52/46
摘要： A system and method for distributed power control in a communications system are provided. A method for relay node operations includes transmitting a signal at a transmit power level on a first channel from a relay node to a user equipment, receiving a message comprising a first indication of channel quality of the first channel at the transmit power level, and determining a second indication of channel quality of a second channel between a communications controller and the relay node, where the first channel and the second channel are in a same multi-hop communication path. The method also includes altering the transmit power level of the first channel based on the first indication of channel quality and the second indication of channel quality to converge the channel quality of the first channel to a convergence value.
摘要翻译：提供了一种用于通信系统中的分布式功率控制的系统和方法。一种用于中继节点操作的方法包括：将从第一信道的发射功率电平的信号从中继节点传送到用户设备;接收包括第一信道在发射功率电平的信道质量的第一指示的消息，以及确定在通信控制器和中继节点之间的第二信道的信道质量的第二指示，其中第一信道和第二信道处于相同的多跳通信路径中。该方法还包括基于信道质量的第一指示和信道质量的第二指示来改变第一信道的发射功率电平，以将第一信道的信道质量收敛到收敛值。

18. 发明授权

US08041313B2 System and method for wireless communications 有权
标题翻译：无线通信系统和方法
公开(公告)号：US08041313B2
公开(公告)日：2011-10-18
申请号：US12412624
申请日：2009-03-27
申请人： Cornelius Van Rensburg , Shahab Sanayei , Young Hoon Kwon , Anthony C. K. Soong
发明人： Cornelius Van Rensburg , Shahab Sanayei , Young Hoon Kwon , Anthony C. K. Soong
IPC分类号： H04B1/38
CPC分类号： H04B7/0632 , H01Q3/40 , H01Q25/00 , H04B7/0602 , H04B7/0669 , H04B7/0695 , H04B7/10 , H04W16/28 , H04W88/08
摘要： A system and method for wirelessly communicating using beamswitching is provided. A communications system includes a high-power signal cable coupled to a signal amplifier, a radio frequency circuit coupled to the high-power signal cable, and a control unit coupled to the radio frequency circuit. The high-power signal cable conveys a transmission signal produced by the signal amplifier. The radio frequency circuit includes a plurality of antennas, a passive network having a plurality of output ports and a plurality of input ports, each output port coupled to an antenna of the plurality of antennas, and a plurality of switches coupled to the high-power signal cable, each switch coupled to an input port in the plurality of input ports. The control unit produces the control signal based on a specified coupling of the high-power signal cable to the passive network.
摘要翻译：提供了一种使用光束切换进行无线通信的系统和方法。通信系统包括耦合到信号放大器的高功率信号电缆，耦合到大功率信号电缆的射频电路以及耦合到射频电路的控制单元。高功率信号电缆传输由信号放大器产生的传输信号。射频电路包括多个天线，具有多个输出端口和多个输入端口的无源网络，每个输出端口耦合到多个天线中的天线，以及耦合到大功率的多个开关信号电缆，每个开关耦合到多个输入端口中的输入端口。控制单元根据大功率信号电缆与被动网络的指定耦合产生控制信号。

19. 发明申请

US20100003922A1 System and Method for Scheduling of Spectrum Sensing in Cognitive Radio Systems 有权
标题翻译：认知无线电系统中频谱感知调度的系统和方法
公开(公告)号：US20100003922A1
公开(公告)日：2010-01-07
申请号：US12258266
申请日：2008-10-24
申请人： Xiangwei Zhou , Young Hoon Kwon , Anthony C.K. Soong
发明人： Xiangwei Zhou , Young Hoon Kwon , Anthony C.K. Soong
IPC分类号： H04B17/00
CPC分类号： H04W24/10 , H04W16/14 , H04W72/1231
摘要： System and method for scheduling spectrum sensing in cognitive radio systems. A method comprises sensing an availability of a spectrum band, computing a duration of an inter-sensing time block based on the availability of the spectrum band, and scheduling an occurrence of the spectrum sensing operation using the duration of the inter-sensing time block. Computing the duration of the inter-sensing time block based on the availability of the spectrum band allows for an optimization of communications of the cognitive radio system, thereby increasing spectral efficiency and reducing interference to licensed communications.
摘要翻译：在认知无线电系统中调度频谱感知的系统和方法。一种方法包括感测频谱带的可用性，基于频谱带的可用性来计算互感时间块的持续时间，以及使用所述互感时间块的持续时间来调度频谱感测操作的发生。基于频谱带的可用性计算互感时间块的持续时间允许认知无线电系统的通信的优化，从而增加频谱效率并减少对许可通信的干扰。

20. 发明申请

US20090253387A1 System and Method for Wireless Communications 有权
标题翻译：无线通信系统与方法
公开(公告)号：US20090253387A1
公开(公告)日：2009-10-08
申请号：US12412624
申请日：2009-03-27
申请人： Cornelius Van Rensburg , Shahab Sanayei , Young Hoon Kwon , Anthony C.K. Soong
发明人： Cornelius Van Rensburg , Shahab Sanayei , Young Hoon Kwon , Anthony C.K. Soong
IPC分类号： H04B1/38
CPC分类号： H04B7/0632 , H01Q3/40 , H01Q25/00 , H04B7/0602 , H04B7/0669 , H04B7/0695 , H04B7/10 , H04W16/28 , H04W88/08
摘要： A system and method for wirelessly communicating using beamswitching is provided. A communications system includes a high-power signal cable coupled to a signal amplifier, a radio frequency circuit coupled to the high-power signal cable, and a control unit coupled to the radio frequency circuit. The high-power signal cable conveys a transmission signal produced by the signal amplifier. The radio frequency circuit includes a plurality of antennas, a passive network having a plurality of output ports and a plurality of input ports, each output port coupled to an antenna of the plurality of antennas, and a plurality of switches coupled to the high-power signal cable, each switch coupled to an input port in the plurality of input ports. The control unit produces the control signal based on a specified coupling of the high-power signal cable to the passive network.
摘要翻译：提供了一种使用光束切换进行无线通信的系统和方法。通信系统包括耦合到信号放大器的高功率信号电缆，耦合到大功率信号电缆的射频电路以及耦合到射频电路的控制单元。高功率信号电缆传输由信号放大器产生的传输信号。射频电路包括多个天线，具有多个输出端口和多个输入端口的无源网络，每个输出端口耦合到多个天线中的天线，以及耦合到大功率的多个开关信号电缆，每个开关耦合到多个输入端口中的输入端口。控制单元根据大功率信号电缆与被动网络的指定耦合产生控制信号。

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