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1. 发明申请

US20120200352A1 APPARATUS AND METHOD FOR AN INTEGRATED MULTI-MODE MULTI-BAND POWER AMPLIFIER 审中-公开
标题翻译：集成多模多功率放大器的装置和方法
公开(公告)号：US20120200352A1
公开(公告)日：2012-08-09
申请号：US13448200
申请日：2012-04-16
申请人： Xu Zhu , Michael L. Brobston , Lup M. Loh
发明人： Xu Zhu , Michael L. Brobston , Lup M. Loh
IPC分类号： H03F1/56 , H03F1/34
CPC分类号： H03F3/24 , H03F1/56 , H03F3/195 , H03F3/72 , H03F2200/111 , H03F2200/318 , H03F2203/7209 , H03F2203/7233
摘要： An apparatus and method for amplifying a transmission signals in multiple modes and multiple bands. The apparatus includes a tunable power amplifying module adapted to receive a plurality of signal types comprising multiple modes and multiple bands. The tunable power amplifying module includes a first and second power amplifier stages and a number of tunable matching networks configured to optimize an impedance value based on the mode and band of the signal to be amplified.
摘要翻译：一种用于放大多个模式和多个频带的传输信号的装置和方法。该装置包括适于接收包括多个模式和多个频带的多个信号类型的可调谐功率放大模块。可调谐功率放大模块包括第一和第二功率放大器级和多个可调匹配网络，其被配置为基于要放大的信号的模式和频带来优化阻抗值。

2. 发明授权

US08712348B2 Apparatus and method for controlling a tunable matching network in a wireless network 有权
标题翻译：用于控制无线网络中可调谐匹配网络的装置和方法
公开(公告)号：US08712348B2
公开(公告)日：2014-04-29
申请号：US13214892
申请日：2011-08-22
申请人： Michael L. Brobston , Xu Zhu , Au Duy Bui , George Z. Hutcheson
发明人： Michael L. Brobston , Xu Zhu , Au Duy Bui , George Z. Hutcheson
IPC分类号： H04B1/04 , H03H7/40
CPC分类号： H04B1/0458 , H03H7/40
摘要： An apparatus and method manage impedance values in a radio in a wireless network. The apparatus includes a tunable matching network (TMN) positioned on a path between a transceiver and an antenna. The TMN includes a plurality of immittance elements. A voltage standing wave ratio (VSWR) detector is configured to detect a ratio of a signal passing the VSWR detector and a signal reflected from the TMN. A control circuit is configured to identify an operating setting for the radio, set a number of the immittance elements based on the operating setting, monitor the ratio detected by the VSWR detector, and modify a setting of at least one of the immittance elements based on the ratio detected.
摘要翻译：无线网络中的无线电装置和方法管理阻抗值。该装置包括位于收发器和天线之间的路径上的可调匹配网络（TMN）。 TMN包括多个导纳元件。电压驻波比（VSWR）检测器被配置为检测通过VSWR检测器的信号和从TMN反射的信号的比率。控制电路被配置为识别无线电的操作设置，基于操作设置设置多个导纳元素，监视由VSWR检测器检测的比率，并且基于以下方式修改至少一个导纳元素的设置：检测比例。

3. 发明申请

US20120051409A1 APPARATUS AND METHOD FOR CONTROLLING A TUNABLE MATCHING NETWORK IN A WIRELESS NETWORK 有权
标题翻译：在无线网络中控制可调匹配网络的装置和方法
公开(公告)号：US20120051409A1
公开(公告)日：2012-03-01
申请号：US13214892
申请日：2011-08-22
申请人： Michael L. Brobston , Xu Zhu , Au Duy Bui , George Z. Hutcheson
发明人： Michael L. Brobston , Xu Zhu , Au Duy Bui , George Z. Hutcheson
IPC分类号： H03H7/38 , H04B1/38
CPC分类号： H04B1/0458 , H03H7/40
摘要： An apparatus and method manage impedance values in a radio in a wireless network. The apparatus includes a tunable matching network (TMN) positioned on a path between a transceiver and an antenna. The TMN includes a plurality of immittance elements. A voltage standing wave ratio (VSWR) detector is configured to detect a ratio of a signal passing the VSWR detector and a signal reflected from the TMN. A control circuit is configured to identify an operating setting for the radio, set a number of the immittance elements based on the operating setting, monitor the ratio detected by the VSWR detector, and modify a setting of at least one of the immittance elements based on the ratio detected.
摘要翻译：无线网络中的无线电装置和方法管理阻抗值。该装置包括位于收发器和天线之间的路径上的可调匹配网络（TMN）。 TMN包括多个导纳元件。电压驻波比（VSWR）检测器被配置为检测通过VSWR检测器的信号和从TMN反射的信号的比率。控制电路被配置为识别无线电的操作设置，基于操作设置设置多个导纳元素，监视由VSWR检测器检测的比率，并且基于以下方式修改至少一个导纳元素的设置：检测比例。

4. 发明授权

US08160275B2 Apparatus and method for an integrated, multi-mode, multi-band, and multi-stage power amplifier 有权
标题翻译：用于集成，多模，多频和多级功率放大器的装置和方法
公开(公告)号：US08160275B2
公开(公告)日：2012-04-17
申请号：US12288030
申请日：2008-10-16
申请人： Xu Zhu , Michael L. Brobston , Lup M. Loh
发明人： Xu Zhu , Michael L. Brobston , Lup M. Loh
IPC分类号： H03G3/00
CPC分类号： H03F3/24 , H03F1/56 , H03F3/195 , H03F3/72 , H03F2200/111 , H03F2200/318 , H03F2203/7209 , H03F2203/7233
摘要： An apparatus and method for amplifying a transmission signals in multiple modes and multiple bands. The apparatus includes a tunable power amplifying module adapted to receive a plurality of signal types comprising multiple modes and multiple bands. The tunable power amplifying module includes a first and second power amplifier stages and a number of tunable matching networks configured to optimize an impedance value based on the mode and band of the signal to be amplified.
摘要翻译：一种用于放大多个模式和多个频带的传输信号的装置和方法。该装置包括适于接收包括多个模式和多个频带的多个信号类型的可调谐功率放大模块。可调谐功率放大模块包括第一和第二功率放大器级和多个可调匹配网络，其被配置为基于要放大的信号的模式和频带来优化阻抗值。

5. 发明申请

US20110065472A1 Apparatus and method for an integrated multi-mode multi-band power amplifier 有权
标题翻译：一种集成多模多频带功率放大器的装置和方法
公开(公告)号：US20110065472A1
公开(公告)日：2011-03-17
申请号：US12288030
申请日：2008-10-16
申请人： Xu Zhu , Michael L. Brobston , Lup M. Loh
发明人： Xu Zhu , Michael L. Brobston , Lup M. Loh
IPC分类号： H04M1/02 , H03F3/60
CPC分类号： H03F3/24 , H03F1/56 , H03F3/195 , H03F3/72 , H03F2200/111 , H03F2200/318 , H03F2203/7209 , H03F2203/7233
摘要： An apparatus and method for amplifying a transmission signals in multiple modes and multiple bands. The apparatus includes a tunable power amplifying module adapted to receive a plurality of signal types comprising multiple modes and multiple bands. The tunable power amplifying module includes a first and second power amplifier stages and a number of tunable matching networks configured to optimize an impedance value based on the mode and band of the signal to be amplified.
摘要翻译：一种用于放大多个模式和多个频带的传输信号的装置和方法。该装置包括适于接收包括多个模式和多个频带的多个信号类型的可调谐功率放大模块。可调谐功率放大模块包括第一和第二功率放大器级和多个可调匹配网络，其被配置为基于要放大的信号的模式和频带来优化阻抗值。

6. 发明授权

US07714691B2 Versatile system for a locking electro-thermal actuated MEMS switch 有权
标题翻译：用于锁定电热致动MEMS开关的通用系统
公开(公告)号：US07714691B2
公开(公告)日：2010-05-11
申请号：US11325936
申请日：2006-01-05
申请人： Xu Zhu , Michael L. Brobston
发明人： Xu Zhu , Michael L. Brobston
IPC分类号： H01H61/00 , H02N10/00
CPC分类号： H01H61/02 , H01H61/04 , H01H2001/0047 , H01H2061/006
摘要： A lockable MEMS switching architecture provided having a clutch assembly, a switching member, and an actuator. The clutch assembly has one or more engagement features located in proximity to the switching member—particularly one or more receiving features located upon the switching member. The clutch assembly is actuated to disengage the engagement features from the receiving features. The switching member is actuated to move in relation to the clutch assembly. Once the switching member is in a desired position, the clutch assembly is de-actuated, causing the engagement features to re-engage with the switching member, thereby restricting its further movement.
摘要翻译：提供具有离合器组件，开关构件和致动器的可锁定的MEMS开关结构。离合器组件具有位于切换构件附近的一个或多个接合特征 - 特别是位于切换构件上的一个或多个接收特征。离合器组件被致动以使接合特征与接收特征脱离接合。切换构件被致动以相对于离合器组件移动。一旦切换构件处于所需位置，则离合器组件被解除致动，使得接合特征与切换构件重新接合，从而限制其进一步的移动。

7. 发明授权

US08995569B2 Quadrature digital-IF transmitter without inter-stage SAW filter and devices using same 有权
标题翻译：具有阶跃式SAW滤波器的正交数字中频发射机和使用其的器件
公开(公告)号：US08995569B2
公开(公告)日：2015-03-31
申请号：US13341495
申请日：2011-12-30
申请人： Lup Meng Loh , Imtinan Elahi , Naveen Yanduru , Michael L. Brobston
发明人： Lup Meng Loh , Imtinan Elahi , Naveen Yanduru , Michael L. Brobston
IPC分类号： H04L25/49 , H04L25/03 , H04L27/20 , H04L27/00
CPC分类号： H04L25/03343 , H04L27/20 , H04L2027/0018
摘要： An RF transmitter comprises a digital-to-IF circuit block configured to receive a digital in-phase baseband signal and a digital quadrature baseband signal and to up-convert the digital in-phase and quadrature baseband signals to a digital in-phase IF signal and to a digital quadrature IF signal. The wireless RF transmitter further comprises an IF-to-RF circuit block configured to convert the digital in-phase and quadrature IF signals to analog signals and to up-convert the analog in-phase and quadrature IF signals to an RF output signal. The digital-to-IF circuit block comprises pre-compensation circuitry configured to reduce analog impairments associated with the IF-to-RF circuit block.
摘要翻译： RF发射机包括被配置为接收数字同相基带信号和数字正交基带信号的数/中频电路块，并且将数字同相和正交基带信号上变频到数字同相IF信号和数字正交IF信号。无线RF发射机还包括被配置为将数字同相和正交IF信号转换为模拟信号并将模拟同相和正交IF信号上变频为RF输出信号的IF至RF电路块。数字到中频电路块包括被配置为减少与IF到RF电路块相关联的模拟损伤的预补偿电路。

8. 发明授权

US07391256B2 System and method for DC correction in wireless receivers 失效
标题翻译：无线接收机直流校正系统及方法
公开(公告)号：US07391256B2
公开(公告)日：2008-06-24
申请号：US11522752
申请日：2006-09-18
申请人： William Milton Hurley , Lup Meng Loh , Yinong Ding , Michael L. Brobston , John Alexander Interrante
发明人： William Milton Hurley , Lup Meng Loh , Yinong Ding , Michael L. Brobston , John Alexander Interrante
IPC分类号： H03F1/02
CPC分类号： H03F3/191
摘要： The present disclosure relates generally to systems and methods for direct current (DC) correction in wireless devices. In one example, a method includes setting a cutoff frequency of a filter at a first frequency, where a signal entering the filter is attenuated based on the cutoff frequency. If a qualified change is detected in a DC component of the signal, the cutoff frequency is set at a second frequency that attenuates more of the signal than the first frequency for a defined time period. The cutoff frequency may then be set to the first frequency after the defined time period.
摘要翻译：本公开一般涉及无线设备中直流（DC）校正的系统和方法。在一个示例中，一种方法包括：以第一频率设置滤波器的截止频率，其中进入滤波器的信号基于截止频率衰减。如果在信号的直流分量中检测到合格的变化，则将截止频率设定在第二频率，该频率在规定的时间段内衰减比第一频率更多的信号。然后可以在限定的时间段之后将截止频率设置为第一频率。

9. 发明授权

US07369873B2 Apparatus and method for remotely modifying reconfigurable hardware in a mobile station 失效
标题翻译：用于在移动台中远程修改可重配置硬件的装置和方法
公开(公告)号：US07369873B2
公开(公告)日：2008-05-06
申请号：US11055030
申请日：2005-02-10
申请人： Michael L. Brobston , Weon-Ki Yoon , William M. Hurley
发明人： Michael L. Brobston , Weon-Ki Yoon , William M. Hurley
IPC分类号： H04Q7/20 , H04Q7/32
CPC分类号： H04B1/0028 , H04W88/06
摘要： A multi-mode mobile station comprising 1) reconfigurable transceiver circuitry for communicating with wireless networks operating under different air interface standards; 2) a memory for storing at least a download configuration file and a home configuration file; and 3) a main controller for configuring the reconfigurable transceiver circuitry to operate according to a home network wireless standard using home configuration data retrieved from the home configuration file. If the main controller determines that a network operating according to the home network wireless standard cannot be found, the main controller is further capable of configuring the reconfigurable transceiver circuitry to operate according to a download channel wireless standard using download configuration data retrieved from the download configuration file. The main controller then establishes a download channel with a local roaming wireless network and downloads a roaming network configuration file from the roaming wireless network over the download channel.
摘要翻译：一种多模移动台，包括：1）可重配置收发器电路，用于与在不同空中接口标准下工作的无线网络进行通信; 2）用于至少存储下载配置文件和归属配置文件的存储器; 以及3）主控制器，用于根据从家庭配置文件检索的家庭配置数据，配置可重新配置的收发器电路以根据家庭网络无线标准进行操作。如果主控制器确定不能找到根据家庭网络无线标准操作的网络，则主控制器还能够使用从下载配置检索的下载配置数据，根据下载频道无线标准来配置可重新配置的收发器电路进行操作文件。然后，主控制器建立与本地漫游无线网络的下载频道，并通过下载频道从漫游无线网络下载漫游网络配置文件。

10. 发明授权

US06304762B1 Point to multipoint communication system with subsectored upstream antennas 失效
标题翻译：具有次上行天线的点对多点通信系统
公开(公告)号：US06304762B1
公开(公告)日：2001-10-16
申请号：US08996258
申请日：1997-12-22
申请人： William K. Myers , Eugene A. Robinson , Hatcher E. Chalkley , Michael L. Brobston , Douglas B. Weiner
发明人： William K. Myers , Eugene A. Robinson , Hatcher E. Chalkley , Michael L. Brobston , Douglas B. Weiner
IPC分类号： H04B138
CPC分类号： H04W88/08 , H04W16/24 , H04W84/14
摘要： A point-to-multipoint communication system wherein the base station broadcasts the same frequency band signals over multiple sectors of given node. The base station includes a plurality of channel receivers (ch. 1-ch. n) for each sector and a plurality of antennas 36a and 36b selectively coupled to said channel receivers. The subsector antennas have these radiation centers offset from each other to present different coverage over the node.
摘要翻译：一种点对多点通信系统，其中基站在给定节点的多个扇区上广播相同的频带信号。基站包括用于每个扇区的多个信道接收机（ch.1-ch.n）和选择性地耦合到所述信道接收机的多个天线36a和36b。这些子天线具有这些辐射中心彼此偏移以呈现节点上的不同覆盖。

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