公开(公告)号：US08195226B2

公开(公告)日：2012-06-05

申请号：US13103620

申请日：2011-05-09

申请人： Ahmadreza Rofougaran ,  Arya Behzad

发明人： Ahmadreza Rofougaran ,  Arya Behzad

IPC分类号： H04M1/00

CPC分类号： H04W88/06 ,  H04W72/1215

摘要： A system and method providing concurrent multimode communication through multimode signal multiplexing. Various aspects of the present invention may comprise, during a first time period, transmitting a first portion of a first communication in a first communication mode in a serial wireless transmission stream. During a second time period after the first time period, a first portion of a second communication may be transmitted in a second communication mode in the serial wireless transmission stream. Also, during a third time period after the second time period, a second portion of the first communication may be transmitted in the first communication mode in the serial wireless transmission stream. In an exemplary scenario, prior to communicating various communications, transmission time may be allocated between the first and second communication modes. In another exemplary scenario, transmission may be switched between a plurality of communication modes in response to detected communication conditions.

摘要翻译： 一种通过多模信号复用提供并发多模通信的系统和方法。 在第一时间段期间，本发明的各个方面可以包括在串行无线传输流中以第一通信模式发送第一通信的第一部分。 在第一时间段之后的第二时间段期间，可以在串行无线传输流中以第二通信模式发送第二通信的第一部分。 此外，在第二时间段之后的第三时间段期间，可以在串行无线传输流中以第一通信模式发送第一通信的第二部分。 在示例性场景中，在传送各种通信之前，可以在第一和第二通信模式之间分配传输时间。 在另一示例性场景中，响应于检测到的通信条件，可以在多个通信模式之间切换传输。

公开(公告)号：US08190115B2

公开(公告)日：2012-05-29

申请号：US12984758

申请日：2011-01-05

申请人： Adedayo Ojo ,  Arya Behzad

发明人： Adedayo Ojo ,  Arya Behzad

IPC分类号： H04B1/10

CPC分类号： H03H11/44 ,  H03F1/565 ,  H03F3/19 ,  H03F3/45188 ,  H03F3/60 ,  H03F2200/391 ,  H03F2200/423 ,  H03F2200/451 ,  H03F2203/45466 ,  H03F2203/45634 ,  H03F2203/45638 ,  H03F2203/45704

摘要： Various example embodiments are disclosed. According to an example embodiment, an apparatus may comprise a first circuit, a second circuit, a transmission line coupled between the first circuit and the second circuit, and a Q-enhancement cell coupled to the transmission line.

摘要翻译： 公开了各种示例性实施例。 根据示例实施例，装置可以包括第一电路，第二电路，耦合在第一电路和第二电路之间的传输线以及耦合到传输线的Q增强单元。

公开(公告)号：US20120086114A1

公开(公告)日：2012-04-12

申请号：US13022291

申请日：2011-02-07

申请人： Sam Ziqun ZHAO ,  Ahmadreza Rofougaran ,  Arya Behzad ,  Jesus Castaneda ,  Michael Boers

发明人： Sam Ziqun ZHAO ,  Ahmadreza Rofougaran ,  Arya Behzad ,  Jesus Castaneda ,  Michael Boers

IPC分类号： H01L23/48 ,  H01L21/60

CPC分类号： H01L23/66 ,  H01L23/48 ,  H01L23/481 ,  H01L23/5227 ,  H01L24/05 ,  H01L24/13 ,  H01L24/16 ,  H01L24/29 ,  H01L24/32 ,  H01L24/73 ,  H01L2223/6627 ,  H01L2223/6677 ,  H01L2224/0401 ,  H01L2224/0557 ,  H01L2224/06181 ,  H01L2224/16225 ,  H01L2224/16227 ,  H01L2224/2919 ,  H01L2224/32225 ,  H01L2224/73204 ,  H01L2224/73253 ,  H01L2924/00014 ,  H01L2924/01006 ,  H01L2924/01033 ,  H01L2924/01079 ,  H01L2924/01087 ,  H01L2924/014 ,  H01L2924/10253 ,  H01L2924/14 ,  H01L2924/15311 ,  H01L2924/1903 ,  H01L2924/19041 ,  H01L2924/19042 ,  H01L2924/19051 ,  H01L2924/19104 ,  H01Q1/38 ,  H01Q9/285 ,  H01Q23/00 ,  H01L2924/0665 ,  H01L2924/00 ,  H01L2924/00012 ,  H01L2224/05552

摘要： An integrated circuit (IC) device arrangement includes a substrate, an IC die coupled to the substrate, an antenna coupled to the IC die, and a first wirelessly enabled functional block coupled to the IC die. The wirelessly enabled functional block is configured to wirelessly communicate with a second wirelessly enabled functional block coupled to the substrate. The antenna is configured to communicate with another antenna coupled to another device.

摘要翻译： 集成电路（IC）器件布置包括衬底，耦合到衬底的IC管芯，耦合到IC管芯的天线以及耦合到IC管芯的第一无线功能块。 无线启用的功能块被配置为与耦合到衬底的第二无线启用功能块无线通信。 天线被配置为与耦合到另一设备的另一天线进行通信。

公开(公告)号：US07873332B2

公开(公告)日：2011-01-18

申请号：US11618181

申请日：2006-12-29

申请人： Arya Behzad

发明人： Arya Behzad

IPC分类号： H04B1/04

CPC分类号： H03G3/3042 ,  Y02D70/122 ,  Y02D70/124

摘要： Methods and systems for mitigating a voltage standing wave ratio in a transmitter are disclosed and may comprise calibrating an output power of a power amplifier integrated within a chip using a resistor that models an impedance of an antenna that is externally coupled to the amplifier while the antenna is decoupled. The gain and output power of the amplifier may be determined utilizing the known resistance and a voltage that is measured at an input of the power amplifier, or at a number of points prior to the power amplifier. When the antenna may be coupled to the transmitter, the transmitter output power may then be controlled utilizing the voltage measurements prior to the power amplifier to avoid measuring reflected waves in instances when the antenna impedance may vary. The power amplifier may be of a design that comprises reverse isolation to reduce reflected waves from the antenna.

摘要翻译： 公开了用于减轻发射机中的电压驻波比的方法和系统，并且可以包括使用对外部耦合到放大器的天线的阻抗进行建模的电阻来校准集成在芯片内的功率放大器的输出功率，而天线 被解耦。 放大器的增益和输出功率可以利用已知的电阻和在功率放大器的输入处或在功率放大器之前的多个点处测量的电压来确定。 当天线可以耦合到发射机时，可以利用功率放大器之前的电压测量来控制发射机输出功率，以避免在天线阻抗可能变化的情况下测量反射波。 功率放大器可以是包括反向隔离以减少来自天线的反射波的设计。

公开(公告)号：US07869781B2

公开(公告)日：2011-01-11

申请号：US11618716

申请日：2006-12-29

申请人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

发明人： Qiang Li ,  Razieh Roufoogaran ,  Arya Behzad ,  Dandan Li ,  Hung-Ming Chien

IPC分类号： H04B1/06

CPC分类号： H04B1/406 ,  H03L7/18 ,  Y02D70/122 ,  Y02D70/124

摘要： Certain aspects of a method and system for mitigating effects of pulling in multiple phase locked loops in multi-standard systems may include selecting an input frequency range of operation at a voltage controlled oscillator based on a particular wireless band of operation in a system that handles a first wireless communication protocol and a second wireless communication protocol. An image rejection mixer may be enabled to generate an output signal for the particular wireless band of operation based on mixing a plurality of received signals within a selected frequency range. An in-phase (I) component and a quadrature (Q) component of the generated output signal may be generated by utilizing a RC-CR quadrature network.

摘要翻译： 用于减轻在多标准系统中拉动多个锁相环的影响的方法和系统的某些方面可包括基于处理一个或多个系统的系统中的特定无线工作频带来选择在压控振荡器处的输入频率范围 第一无线通信协议和第二无线通信协议。 可以使镜像抑制混频器能够基于在所选频率范围内混合多个接收信号来产生用于特定无线操作频带的输出信号。 可以通过利用RC-CR正交网络来产生所产生的输出信号的同相（I）分量和正交（Q）分量。

公开(公告)号：US07840198B2

公开(公告)日：2010-11-23

申请号：US11733047

申请日：2007-04-09

申请人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

发明人： Arya Behzad ,  Adedayo Ojo ,  Yuyu Chang ,  Hung-Ming Chien ,  Kishore Rama Rao ,  Guruprasad Seetharam

IPC分类号： H04B1/04

CPC分类号： H04B1/06 ,  H04B1/0057 ,  H04B1/0082 ,  H04B7/084

摘要： Aspects of a method and system for processing signals in a high performance receive chain may include amplifying radio frequency signals in amplifier chains in a multistandard radio frequency front-end, comprising one or more shared processing stages, and combining, with substantially equal gain, a number of phase-shifted radio frequency signals of the radio frequency signals into substantially equal-gain-combined radio frequency signals. The substantially equal-gain-combined radio frequency signals may be demodulated to obtain inphase channels and quadrature channels. A number of inphase channels and quadrature channels may be processed in I-channel processing blocks and Q-channel processing blocks to generate an output analog baseband signal. The multistandard radio frequency front-end may be capable of processing Bluetooth® signals and Wireless Local Area Network (WLAN) signals. The amplifier chains may comprise a first amplifier and a second amplifier, where the first amplifier may be shared between Bluetooth® signal processing paths and WLAN signal processing paths.

摘要翻译： 用于处理高性能接收链中的信号的方法和系统的方面可以包括在多标准射频前端放大放大器链中的射频信号，包括一个或多个共享处理级，并且以基本相等的增益组合 射频信号的相移射频信号的数量变成基本相等增益组合的射频信号。 基本上等增益组合的射频信号可以被解调以获得同相信道和正交信道。 可以在I信道处理块和Q信道处理块中处理多个同相信道和正交信道，以产生输出模拟基带信号。 多标准射频前端可能能够处理蓝牙信号和无线局域网（WLAN）信号。 放大器链可以包括第一放大器和第二放大器，其中第一放大器可以在蓝牙信号处理路径和WLAN信号处理路径之间共享。

公开(公告)号：US07729671B2

公开(公告)日：2010-06-01

申请号：US11618871

申请日：2006-12-31

申请人： Ali Afsahi ,  Vikram Magoon ,  Arya Behzad

发明人： Ali Afsahi ,  Vikram Magoon ,  Arya Behzad

IPC分类号： H01Q11/12 ,  H04B1/04

CPC分类号： H03G3/3042 ,  H03F1/0277 ,  H03F3/211 ,  H03F3/45188 ,  H03F3/72 ,  H03F2200/336 ,  H03F2200/451 ,  H03F2203/21145 ,  H03F2203/45396 ,  H03F2203/45481 ,  H03F2203/45638 ,  H03F2203/7236

摘要： Aspects of a method and system for enhancing efficiency by modulating power amplifier (PA) gain are presented. Aspects of the system may comprise a PA gain modulator that enables modification of an amplitude of a digital baseband signal. A baseband processor may enable computation of a first gain value based on the modification. The baseband processor may enable computation of a second gain value based on the first gain value. A PA may enable generation of an RF output signal based on the modified digital baseband signal and the second gain value.

摘要翻译： 提出了通过调制功率放大器（PA）增益来提高效率的方法和系统的方面。 系统的方面可以包括能够修改数字基带信号的幅度的PA增益调制器。 基带处理器可以使得能够基于修改来计算第一增益值。 基带处理器可以使得能够基于第一增益值来计算第二增益值。 PA可以基于修改的数字基带信号和第二增益值来实现RF输出信号的产生。

公开(公告)号：US20100003935A1

公开(公告)日：2010-01-07

申请号：US12559617

申请日：2009-09-15

申请人： Arya Behzad ,  Ahmadreza Rofougaran

发明人： Arya Behzad ,  Ahmadreza Rofougaran

IPC分类号： H04B7/08

CPC分类号： H04W52/0261 ,  H04W52/0225 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/168

摘要： A mobile communication device with a low power receiver for signal detection and a method for utilizing a low power receiver for signal detection in a mobile communication device. Various aspects of the present invention comprise a first receiver module adapted to operate in a sleep mode. The first receiver module may also be adapted to receive a communication signal utilizing a first amount of power, where the communication signal is characterized by a first set of signal characteristics. A second receiver module may be adapted to receive a communication signal characterized by the first set of signal characteristics. The second receiver module may be adapted to receive a communication signal utilizing a second amount of power that is less than the first amount of power. A communication signal received by the second receiver module may be analyzed to determine a mode in which to operate the first receiver module.

摘要翻译： 一种具有用于信号检测的低功率接收器的移动通信设备和用于在移动通信设备中利用低功率接收机进行信号检测的方法。 本发明的各个方面包括适于以睡眠模式操作的第一接收器模块。 第一接收机模块还可以适于使用第一数量的功率来接收通信信号，其中通信信号由第一组信号特征表征。 第二接收器模块可以适于接收以第一组信号特征为特征的通信信号。 第二接收机模块可以适于使用小于第一功率量的第二数量的功率来接收通信信号。 可以分析由第二接收机模块接收的通信信号，以确定操作第一接收机模块的模式。

公开(公告)号：US07616938B2

公开(公告)日：2009-11-10

申请号：US11167528

申请日：2005-06-27

申请人： Arya Behzad ,  C. Paul Lee

发明人： Arya Behzad ,  C. Paul Lee

IPC分类号： H04B1/26

CPC分类号： H03D7/1441 ,  H03D7/1458 ,  H03D7/165 ,  H03D2200/0025 ,  H03D2200/0047

摘要： An offset cancellation scheme in which offset cancellation current is sourced into one differential branch of a driver circuit and sinked from the opposite differential branch. The source/sink arrangement allows for offset cancellation current to be introduced into the circuit, but the overall total average current remains substantially unchanged. When used in an I and Q mixer circuits, the offsets may be canceled without generating an I/Q imbalance in the I and Q mixers.

摘要翻译： 偏移消除方案，其中偏移消除电流来自驱动器电路的一个差分分支并从相对的差分分支下沉。 源极/阱布置允许将偏移消除电流引入电路中，但总体平均电流基本保持不变。 当在I和Q混频器电路中使用时，可以消除偏移，而不会在I和Q混频器中产生I / Q不平衡。

公开(公告)号：US20090033425A1

公开(公告)日：2009-02-05

申请号：US12191938

申请日：2008-08-14

申请人： Arya Behzad ,  Ali Afashi ,  Vikram Magoon

发明人： Arya Behzad ,  Ali Afashi ,  Vikram Magoon

IPC分类号： H03F3/04

CPC分类号： H03F1/3247 ,  H03F1/3211 ,  H03F1/3241 ,  H03F1/3294 ,  H03F3/45188 ,  H03F2200/102 ,  H03F2200/336 ,  H03F2200/451 ,  H03F2203/45112 ,  H03F2203/45244 ,  H03F2203/45292 ,  H03F2203/45554 ,  H04B2001/0425

摘要： Aspects of a method and system for a highly efficient power amplifier (PA) utilizing dynamic biasing and predistortion are presented. Aspects of the system may include a processor that enables computation of a value of a variable bias component of a bias current based on a bias slope value and an amplitude of an envelope input signal. The processor may enable computation of a value of the bias current based on the selected constant bias current component value and the variable bias current component value. A PA may enable generation of an output signal in response to a generated baseband signal by utilizing the bias current to amplify an amplifier input signal. The bias current may be generated based on the envelope input signal. A feedback signal may be generated based on the output signal, which may be used to predistort a subsequent baseband signal.

摘要翻译： 提出了一种利用动态偏置和预失真的高效功率放大器（PA）的方法和系统。 该系统的方面可以包括能够基于偏置斜率值和包络输入信号的幅度来计算偏置电流的可变偏置分量的值的处理器。 该处理器可以使得能够基于所选择的恒定偏置电流分量值和可变偏置电流分量值来计算偏置电流的值。 PA可以通过利用偏置电流来放大放大器输入信号，从而能够响应于产生的基带信号而产生输出信号。 可以基于包络输入信号产生偏置电流。 可以基于输出信号来生成反馈信号，该输出信号可以用于对随后的基带信号进行预失真。