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公开(公告)号：US07013087B2
公开(公告)日：2006-03-14
申请号：US09983705
申请日：2001-10-25
申请人： Yasunori Suzuki , Ning Chen , Yoshiaki Tarusawa , Toshio Nojima
发明人： Yasunori Suzuki , Ning Chen , Yoshiaki Tarusawa , Toshio Nojima
CPC分类号： H04B10/25755
摘要： A divider/combiner unit combines RF signals, then converts the combined signal into an optical signal and sends it over an optical fiber. N radio access units each convert the optical signal received from the optical fiber into an RF signal and transmits it from an antenna, and each radio access unit converts an RF signal received by the antenna into an optical signal and sends it over an optical fiber to the divider/combiner unit. The divider/combiner unit converts the received optical signal into RF signals and outputs them. This system is operated as plurality of communication systems in common to them in correspondence to a plurality of input/output terminals of the divider/combiner unit.
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公开(公告)号：US07327996B2
公开(公告)日：2008-02-05
申请号：US10725002
申请日：2003-12-02
申请人： Ning Chen , Yoshiaki Tarusawa , Kei Satoh , Shoichi Narahashi , Noriyoshi Terada , Toshio Nojima
发明人： Ning Chen , Yoshiaki Tarusawa , Kei Satoh , Shoichi Narahashi , Noriyoshi Terada , Toshio Nojima
IPC分类号： H04B1/10
摘要： The invention relates to a high sensitivity receiver installed outdoors which may be used in a base station of a mobile communication system, for example. A received radio frequency signal is converted into a signal in a desired frequency band by a reception bandpass filter RXF3, is subject to a low noise amplification to a desired level by a low noise reception amplifier LNA4, and the amplified signal is converted into an optical signal by a laser diode LD5. RXF3, LNA4 and LD5 are confined in a heat shielding box. LD5 is cooled by cooling means to the order of critical temperature where RXF3, for example, assumes a superconducting state, whereby the dynamic range is increased and stabilized.
摘要翻译： 本发明涉及一种安装在户外的高灵敏度接收机，其可以在例如移动通信系统的基站中使用。 接收的射频信号由接收带通滤波器RXF 3转换成期望频带的信号，由低噪声接收放大器LNA4进行低噪声放大到期望的电平，并将放大的信号转换为 由激光二极管LD5的光信号。 RXF 3，LNA 4和LD 5被限制在隔热箱中。 LD 5通过冷却装置冷却至临界温度的顺序，其中RXF 3例如呈现超导状态，从而动态范围增加并稳定。
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公开(公告)号：US07119621B2
公开(公告)日：2006-10-10
申请号：US10912116
申请日：2004-08-06
申请人： Ning Chen , Yasunori Suzuki , Tetsuo Hirota , Yasushi Yamao
发明人： Ning Chen , Yasunori Suzuki , Tetsuo Hirota , Yasushi Yamao
IPC分类号： H03F3/68
CPC分类号： H03F3/72 , H03F1/0277 , H03F3/2178 , H03F2200/75
摘要： A power amplifier for receiving and amplifying an input signal and outputting an output signal includes N power amplifying units (N is an integer larger than 1) connected in parallel so as to output amplified signals in response to the input signal; an output combining unit for combining the output signals from the N power amplifying units and outputting a combined signal as the output signal of the power amplifier; and an amplitude controlling unit for selectively turning ON each of the N power amplifying units based on an amplitude of the input signal. In the power amplifier, the amplitude controlling unit may includes N amplitude adjusters connected in parallel for adjusting the amplitude of the input signal of the power amplifier; and a controller for selectively turning ON each of the N power amplifying units and controlling the amplitude adjusters so that an amplitude of the output signal becomes a substantially continuous function with respect to the amplitude of the input signal.
摘要翻译： 用于接收和放大输入信号并输出输出信号的功率放大器包括并联连接的N个功率放大单元（N是大于1的整数），以响应输入信号输出放大的信号; 输出组合单元，用于组合来自N个功率放大单元的输出信号，并输出组合信号作为功率放大器的输出信号; 以及幅度控制单元，用于基于输入信号的幅度有选择地接通N个功率放大单元中的每一个。 在功率放大器中，振幅控制单元可以包括并联连接的N个振幅调节器，用于调节功率放大器的输入信号的幅度; 以及控制器，用于选择性地接通N个功率放大单元中的每一个并且控制幅度调节器，使得输出信号的幅度相对于输入信号的幅度变为基本上连续的函数。
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公开(公告)号：US20050030104A1
公开(公告)日：2005-02-10
申请号：US10912116
申请日：2004-08-06
申请人： Ning Chen , Yasunori Suzuki , Tetsuo Hirota , Yasushi Yamao
发明人： Ning Chen , Yasunori Suzuki , Tetsuo Hirota , Yasushi Yamao
CPC分类号： H03F3/72 , H03F1/0277 , H03F3/2178 , H03F2200/75
摘要： A power amplifier (1) for receiving and amplifying an input signal (10) and outputting an output signal (11) is disclosed. The power amplifier comprises: N power amplifying units (12) (N is an integer larger than 1) connected in parallel so as to output amplified signals in response to the input signal (10); an output combining unit (14) for combining the output signals from the N power amplifying units (12) and outputting a combined signal as the output signal (11) of the power amplifier; and an amplitude controlling unit (15) for selectively turning ON each of the N power amplifying units (12) based on an amplitude of the input signal (10). In the power amplifier, the amplitude controlling unit (15) may comprise N amplitude adjusters (113) connected in parallel for adjusting the amplitude of the input signal (110) of the power amplifier; and a controller (115) for selectively turning ON each of the N power amplifying units (112) and controlling the amplitude adjusters (113) so that an amplitude of the output signal (111) becomes a substantially continuous function with respect to the amplitude of the input signal (110). The power amplifier may further comprise a local oscillator (222) outputting an constant envelope signal, receiving a modulation signal (210) as the input signal of the power amplifier and outputting an amplified modulated signal (211) as the output signal of the power amplifier; wherein the N power amplifying units comprise N saturation amplifying units connected in parallel so as to amplify the constant envelope signal from the local oscillator; and the amplitude controlling unit comprises an amplifying controller (215) for selectively turning ON each of the N saturation amplifying units (212) based on an amplitude of the modulation signal (210).
摘要翻译： 公开了一种用于接收和放大输入信号（10）并输出输出信号（11）的功率放大器（1）。 功率放大器包括：并联连接的N个功率放大单元（12）（N是大于1的整数），以响应输入信号（10）输出放大的信号; 输出组合单元（14），用于组合来自N个功率放大单元（12）的输出信号并输出组合信号作为功率放大器的输出信号（11）; 以及用于基于所述输入信号（10）的幅度选择性地接通所述N个功率放大单元（12）中的每一个的振幅控制单元（15）。 在功率放大器中，振幅控制单元（15）可以包括并联连接的N个振幅调节器（113），用于调节功率放大器的输入信号（110）的振幅; 以及控制器（115），用于选择性地接通N个功率放大单元（112）中的每一个并且控制幅度调节器（113），使得输出信号（111）的幅度相对于 输入信号（110）。 功率放大器还可以包括输出恒定包络信号的本地振荡器（222），接收作为功率放大器的输入信号的调制信号（210），并输出放大的调制信号（211）作为功率放大器的输出信号 ; 其中所述N个功率放大单元包括并联连接的N个饱和放大单元，以便放大来自本地振荡器的恒定包络信号; 并且幅度控制单元包括放大控制器（215），用于基于调制信号（210）的幅度有选择地接通N个饱和放大单元（212）中的每一个。
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6.发明授权公开(公告)号：US09467823B2
公开(公告)日：2016-10-11
申请号：US12557652
申请日：2009-09-11
申请人： Xiaolong Hou , Ning Chen
发明人： Xiaolong Hou , Ning Chen
CPC分类号： H04W4/12 , H04W88/184
摘要： The present invention discloses a value-added service for short message service, VAS-SMS, processing method and a VAS-SMS processing center, which include: the VAS-SMS processing center receives an original short message forwarded from the short message service center, generates a value-added service short message associated with the original short message in accordance with data of VAS-SMS subscribed by the calling and called parities of the original short message, submits the value-added service short message to the short message service center, and receives a delivery status report returned from the short message service center, and the value-added service for short message service processing center takes the delivery result of the value-added service short message as that of the associated original short message and sends a delivery result notification of the original short message to the short message service center.
摘要翻译： 本发明公开了一种短消息服务，VAS-SMS，处理方法和VAS-SMS处理中心的增值业务，其中包括：VAS-SMS处理中心收到短消息业务中心转发的原始短消息， 根据原始短消息的主叫和被叫号码的VAS-SMS的数据，生成与原始短消息相关联的增值业务短消息，向短消息业务中心提交增值业务短消息， 并收到短消息服务中心返回的发送状态报告，短消息业务处理中心的增值业务将增值业务短消息的发送结果作为相关原始短消息的发送结果，并发送 原始短信的结果通知给短信服务中心。
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公开(公告)号：US20140197898A1
公开(公告)日：2014-07-17
申请号：US13744064
申请日：2013-01-17
申请人： Ying Hsu , Mike Tracy , Brian Bircumshaw , Ning Chen , Salah Uddin
发明人： Ying Hsu , Mike Tracy , Brian Bircumshaw , Ning Chen , Salah Uddin
IPC分类号： H03B5/32
CPC分类号： H03H9/2463 , H03H2009/02165
摘要： A highly sensitive micro-piezoelectric tunable resonator element and device that uses a tapered transition region from the actuator and sensor elements to the resonator beam to permit maximum mechanical energy transfer to the beam. A dual-resonator beam embodiment with a shared tuning element is provided in an alternative embodiment.
摘要翻译： 一种高灵敏度的微压电可调谐谐振器元件和器件，其使用来自致动器和传感器元件的锥形过渡区域到谐振器束，以允许最大的机械能量传递到光束。 具有共享调谐元件的双谐振器波束实施例在替代实施例中提供。
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8.发明申请Radio Communication Transmission System and Method Based on Software Defined Radio 有权基于软件定义无线电的无线电通信传输系统和方法公开(公告)号：US20140057577A1
公开(公告)日：2014-02-27
申请号：US14005437
申请日：2011-05-31
申请人： Ning Chen , Bingxin Tian
发明人： Ning Chen , Bingxin Tian
IPC分类号： H04B1/00
CPC分类号： H04B1/0003 , H04B1/0007
摘要： The disclosure discloses a Software Defined Radio (SDR)-based radio communication transmission system. A front-end analog interface unit, a Digital-to-Analog (D/A) and Analog-to-Digital (A/D) conversion unit, a core processing unit and a storage unit adopt the universal bus for interconnection and interworking. The core processing unit is configured to acquire the front-end processed data from the front-end analog interface unit, and to choose to transmit the front-end processed data to the D/A and A/D conversion unit by the control of the universal bus according to whether the radio communication standard of the current data accords with the current working mode. The disclosure further discloses an SDR-based radio communication transmission method, which includes that: the core processing unit chooses to transmit the front-end processed data to the D/A and A/D conversion unit by the control of the universal bus according to whether the radio communication standard of the current data accords with the current working mode. The system and method of the disclosure can adapt to the coexistence of multiple radio communication standards and complement the advantages of each structure at the same time.
摘要翻译： 本公开公开了一种基于软件无线电（SDR）的无线电通信传输系统。 前端模拟接口单元，数模（D / A）和模数（A / D）转换单元，核心处理单元和存储单元采用通用总线进行互连和互通。 核心处理单元被配置为从前端模拟接口单元获取前端处理的数据，并且通过控制前端处理数据的控制来选择将前端处理的数据发送到D / A和A / D转换单元 通用总线根据当前数据的无线电通信标准是否符合当前工作模式。 本公开进一步公开了一种基于SDR的无线电通信传输方法，其包括：核心处理单元选择通过根据通用总线的控制将前端处理数据发送到D / A和A / D转换单元 当前数据的无线电通信标准是否符合当前工作模式。 本公开的系统和方法可以适应多个无线电通信标准的共存，同时补充每个结构的优点。
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公开(公告)号：US08467801B2
公开(公告)日：2013-06-18
申请号：US13437852
申请日：2012-04-02
申请人： James W. McCoy , Ning Chen
发明人： James W. McCoy , Ning Chen
IPC分类号： H04W72/00
摘要： A technique for channel sounding in a wireless communication system includes determining respective geometries of multiple subscriber stations with respect to a serving base station. Respective time periods for sounding a channel between the multiple subscriber stations and the serving base station are then set based on the respective geometries of the multiple subscriber stations.
摘要翻译： 用于无线通信系统中的信道探测的技术包括确定多个用户站相对于服务基站的相应几何形状。 然后，基于多个用户站的各自的几何形状来设定用于在多个用户站和服务基站之间发送信道的相应时间段。
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公开(公告)号：US08098744B2
公开(公告)日：2012-01-17
申请号：US11649076
申请日：2007-01-03
申请人： Ning Chen , Jeffrey Keating , James W. McCoy
发明人： Ning Chen , Jeffrey Keating , James W. McCoy
IPC分类号： H04K1/10
CPC分类号： H04L27/2614
摘要： Methods and corresponding systems for reducing a peak-to-average signal ratio include determining peak and null samples of a symbol. Thereafter, an error signal is calculated that is responsive to the peak and null samples. In one embodiment the error signal has values corresponding to differences between the peak samples and a high threshold and the null samples and a low threshold. In response to the error signal, the samples are filtered to produce a filtered symbol having a reduced peak-to-average signal ratio. The error signal can also be used to calculate reserved tones on reserved subcarriers, which are combined with multi-tone subcarriers in a multi-carrier transmitter.
摘要翻译： 降低峰均信号比率的方法和相应系统包括确定符号的峰值和空样本。 此后，计算响应于峰值和空样本的误差信号。 在一个实施例中，误差信号具有对应于峰值采样和高阈值与空采样和低阈值之间的差异的值。 响应于误差信号，对样本进行滤波以产生具有降低的峰值与平均信号比的滤波符号。 误差信号还可用于计算在多载波发射机中与多音调副载波组合的保留副载波上的保留音调。
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