公开(公告)号：US20090239487A1

公开(公告)日：2009-09-24

申请号：US12477552

申请日：2009-06-03

申请人： Xin Jin ,  Nagula T. Sangary ,  M. Khaledul Islam ,  Wen Zhao ,  Nasserullah Khan ,  Wen-Yen Chan ,  Qing Zhong Jiao

发明人： Xin Jin ,  Nagula T. Sangary ,  M. Khaledul Islam ,  Wen Zhao ,  Nasserullah Khan ,  Wen-Yen Chan ,  Qing Zhong Jiao

IPC分类号： H04B1/04

CPC分类号： H03G3/3042 ,  H04W52/26

摘要： A method and apparatus for regulating Tx power in a multi-rate mobile device transmitter containing signal dependent gain stages. A data rate and signal format indicator signal corresponding to the transmitted signal, and a desired reference power signal are fed to a mapper that outputs a calibration value based on the desired reference power level at the antenna. The calibration value controls the power amplifier gain characteristics in real time.

摘要翻译： 一种用于在包含信号相关增益级的多速率移动设备发射机中调节Tx功率的方法和装置。 对应于所发送的信号的数据速率和信号格式指示符信号以及期望的参考功率信号被馈送到基于天线期望的参考功率电平输出校准值的映射器。 校准值实时控制功率放大器增益特性。

公开(公告)号：US07558540B2

公开(公告)日：2009-07-07

申请号：US10700985

申请日：2003-11-04

申请人： Xin Jin ,  Nagula T. Sangary ,  M. Khaledul Islam ,  Wen Zhao ,  Nasserullah Khan ,  Wen-Yen Chan ,  Qing Zhong Jiao

发明人： Xin Jin ,  Nagula T. Sangary ,  M. Khaledul Islam ,  Wen Zhao ,  Nasserullah Khan ,  Wen-Yen Chan ,  Qing Zhong Jiao

IPC分类号： H01Q11/12

CPC分类号： H03G3/3042 ,  H04W52/26

摘要： A method and apparatus for regulating Tx power in a multi-rate mobile device transmitter containing signal dependent gain stages. A data rate and signal format indicator signal corresponding to the transmitted signal, and a desired reference power signal are fed to a mapper that outputs a calibration value based on the desired reference power level at the antenna. The calibration value controls the power amplifier gain characteristics in real time.

摘要翻译： 一种用于在包含信号相关增益级的多速率移动设备发射机中调节Tx功率的方法和装置。 对应于所发送的信号的数据速率和信号格式指示符信号以及期望的参考功率信号被馈送到基于天线期望的参考功率电平输出校准值的映射器。 校准值实时控制功率放大器增益特性。

公开(公告)号：US07869776B2

公开(公告)日：2011-01-11

申请号：US12477552

申请日：2009-06-03

申请人： Xin Jin ,  Nagula T. Sangary ,  Muhammad Khaledul Islam ,  Wen Zhao ,  Nasserullah Khan ,  Wen-Yen Chan ,  Qing Zhong Jiao

发明人： Xin Jin ,  Nagula T. Sangary ,  Muhammad Khaledul Islam ,  Wen Zhao ,  Nasserullah Khan ,  Wen-Yen Chan ,  Qing Zhong Jiao

IPC分类号： H01Q11/12

CPC分类号： H03G3/3042 ,  H04W52/26

摘要： A method and apparatus for regulating Tx power in a multi-rate mobile device transmitter containing signal dependent gain stages. A data rate and signal format indicator signal corresponding to the transmitted signal, and a desired reference power signal are fed to a mapper that outputs a calibration value based on the desired reference power level at the antenna. The calibration value controls the power amplifier gain characteristics in real time.

摘要翻译： 一种用于在包含信号相关增益级的多速率移动设备发射机中调节Tx功率的方法和装置。 对应于所发送的信号的数据速率和信号格式指示符信号以及期望的参考功率信号被馈送到基于天线期望的参考功率电平输出校准值的映射器。 校准值实时控制功率放大器增益特性。

公开(公告)号：US08670503B2

公开(公告)日：2014-03-11

申请号：US13604202

申请日：2012-09-05

申请人： Wen-Yen Chan ,  Nasserullah Khan ,  Michael Habicher ,  Nagula Tharma Sangary ,  Qingzhong Jiao ,  Xin Jin

发明人： Wen-Yen Chan ,  Nasserullah Khan ,  Michael Habicher ,  Nagula Tharma Sangary ,  Qingzhong Jiao ,  Xin Jin

IPC分类号： H04L25/03

CPC分类号： H04W52/343

摘要： A power management system and method for a wireless communication device generates an average desired transmit power signal based on at least one of a received signal strength indicator signal and a power control instruction signal from a base station. A power supply level adjustment signal is generated based on the data parameters of an outgoing data stream and at least one environmental information signal. A combination of the power supply level adjustment signal and the average desired transmit power or a gain control signal and an altered version of the power supply level adjustment signal is used to generate a variable power supply signal that is provided to an output amplifier block for sufficiently generating outgoing wireless device radio signals while reducing power loss in the output amplifier block.

摘要翻译： 用于无线通信设备的电源管理系统和方法基于来自基站的接收信号强度指示符信号和功率控制指令信号中的至少一个产生平均期望的发射功率信号。 基于输出数据流的数据参数和至少一个环境信息信号生成电源电平调整信号。 使用电源电平调整信号和平均期望发送功率或增益控制信号和电源电平调整信号的改变版本的组合来产生可变电源信号，该可变电源信号被提供给输出放大器块用于充分地 产生输出无线设备无线电信号，同时减少输出放大器块中的功率损耗。

公开(公告)号：US20100291887A1

公开(公告)日：2010-11-18

申请号：US12847612

申请日：2010-07-30

申请人： Wen-Yen Chan ,  Nasserullah Khan ,  Qingzhong Jiao ,  Xin Jin ,  Nagula Tharma Sangary ,  Michael Franz Habicher

发明人： Wen-Yen Chan ,  Nasserullah Khan ,  Qingzhong Jiao ,  Xin Jin ,  Nagula Tharma Sangary ,  Michael Franz Habicher

IPC分类号： H04B1/04

CPC分类号： H04W52/343

摘要： A power management system and method for a wireless communication device generates an average desired transmit power signal based on at least one of a received signal strength indicator signal and a power control instruction signal from a base station. A power supply level adjustment signal is generated based on the data parameters of an outgoing data stream and at least one environmental information signal. A combination of the power supply level adjustment signal and the average desired transmit power or a gain control signal and an altered version of the power supply level adjustment signal is used to generate a variable power supply signal that is provided to an output amplifier block for sufficiently generating outgoing wireless device radio signals while reducing power loss in the output amplifier block.

摘要翻译： 用于无线通信设备的电源管理系统和方法基于来自基站的接收信号强度指示符信号和功率控制指令信号中的至少一个产生平均期望的发射功率信号。 基于输出数据流的数据参数和至少一个环境信息信号生成电源电平调整信号。 使用电源电平调整信号和平均期望发送功率或增益控制信号和电源电平调整信号的改变版本的组合来产生可变电源信号，该可变电源信号被提供给输出放大器块用于充分地 产生输出无线设备无线电信号，同时减少输出放大器块中的功率损耗。

公开(公告)号：US07508888B2

公开(公告)日：2009-03-24

申请号：US11116233

申请日：2005-04-28

申请人： Wen-Yen Chan ,  Xin Jin ,  Qingzhong Jiao ,  Nasserullah Khan ,  Nagula Tharma Sangary

发明人： Wen-Yen Chan ,  Xin Jin ,  Qingzhong Jiao ,  Nasserullah Khan ,  Nagula Tharma Sangary

IPC分类号： H03D3/18 ,  H03D3/24

CPC分类号： H03L7/146 ,  H03J7/00 ,  H04L27/0014 ,  H04L2027/0046 ,  H04L2027/0053 ,  H04L2027/0079

摘要： A communications subsystem for a wireless device for correcting errors in a reference frequency signal. The communications subsystem comprises a frequency generator for generating the reference frequency signal and a closed loop reference frequency correction module that generates a reference frequency adjustment signal for correcting the reference frequency signal when the communications subsystem operates in closed loop mode. The subsystem further includes an open loop frequency correction means that that samples values of the reference frequency adjustment signal during the closed loop mode and generates a frequency correction signal for correcting the reference frequency signal when the communications subsystem operates in a mode other than closed loop mode.

摘要翻译： 一种用于校正参考频率信号中的错误的无线设备的通信子系统。 通信子系统包括用于产生参考频率信号的频率发生器和闭环参考频率校正模块，其在通信子系统以闭环模式操作时产生用于校正参考频率信号的参考频率调整信号。 该子系统还包括开环频率校正装置，其在闭环模式期间采样参考频率调整信号的值，并且当通信子系统以除闭环模式之外的模式操作时产生用于校正参考频率信号的频率校正信号 。

公开(公告)号：US20080118001A1

公开(公告)日：2008-05-22

申请号：US12025247

申请日：2008-02-04

申请人： Wen-Yen Chan ,  Nasserullah Khan ,  Qingzhong Jiao ,  Xin Jin ,  Nagula Sangary ,  Michael Habicher

发明人： Wen-Yen Chan ,  Nasserullah Khan ,  Qingzhong Jiao ,  Xin Jin ,  Nagula Sangary ,  Michael Habicher

IPC分类号： H04K1/02

CPC分类号： H04W52/343

摘要： A power management system and method for a wireless communication device generates an average desired transmit power signal based on at least one of a received signal strength indicator signal and a power control instruction signal from a base station. A power supply level adjustment signal is generated based on the data parameters of an outgoing data stream and at least one environmental information signal. A combination of the power supply level adjustment signal and the average desired transmit power or a gain control signal and an altered version of the power supply level adjustment signal is used to generate a variable power supply signal that is provided to an output amplifier block for sufficiently generating outgoing wireless device radio signals while reducing power loss in the output amplifier block.

摘要翻译： 用于无线通信设备的电源管理系统和方法基于来自基站的接收信号强度指示符信号和功率控制指令信号中的至少一个产生平均期望的发射功率信号。 基于输出数据流的数据参数和至少一个环境信息信号生成电源电平调整信号。 使用电源电平调整信号和平均期望发送功率或增益控制信号和电源电平调整信号的改变版本的组合来产生可变电源信号，该可变电源信号被提供给输出放大器块用于充分地 产生输出无线设备无线电信号，同时减少输出放大器块中的功率损耗。

公开(公告)号：US08477878B2

公开(公告)日：2013-07-02

申请号：US13615349

申请日：2012-09-13

申请人： Wen-Yen Chan ,  Nasserullah Khan ,  Nagula Tharma Sangary ,  Qingzhong Jiao ,  Xin Jin

发明人： Wen-Yen Chan ,  Nasserullah Khan ,  Nagula Tharma Sangary ,  Qingzhong Jiao ,  Xin Jin

IPC分类号： H03D3/18 ,  H03D3/24

CPC分类号： H03L7/146 ,  H03J7/00 ,  H04L27/0014 ,  H04L2027/0046 ,  H04L2027/0053 ,  H04L2027/0079

摘要： A communications subsystem for a wireless device for correcting errors in a reference frequency signal. The communications subsystem comprises a frequency generator for generating the reference frequency signal and a closed loop reference frequency correction module that generates a reference frequency adjustment signal for correcting the reference frequency signal when the communications subsystem operates in closed loop mode. The subsystem further includes an open loop frequency correction means that that samples values of the reference frequency adjustment signal during the closed loop mode and generates a frequency correction signal for correcting the reference frequency signal when the communications subsystem operates in a mode other than closed loop mode.

摘要翻译： 一种用于校正参考频率信号中的错误的无线设备的通信子系统。 通信子系统包括用于产生参考频率信号的频率发生器和闭环参考频率校正模块，其在通信子系统以闭环模式操作时产生用于校正参考频率信号的参考频率调整信号。 子系统进一步包括开环频率校正装置，其在闭环模式期间对参考频率调整信号进行采样，并且当通信子系统以除闭环模式之外的模式操作时，产生用于校正参考频率信号的频率校正信号。

公开(公告)号：US08428181B2

公开(公告)日：2013-04-23

申请号：US12784932

申请日：2010-05-21

申请人： Wen-Yen Chan ,  Nasserullah Khan ,  Xin Jin ,  Qingzhong Jiao

发明人： Wen-Yen Chan ,  Nasserullah Khan ,  Xin Jin ,  Qingzhong Jiao

IPC分类号： H04K1/02

CPC分类号： H03G3/20 ,  H03F1/02 ,  H03F3/24 ,  H03G3/3042 ,  H04B1/0475 ,  H04B2001/045 ,  H04L1/1867 ,  H04L27/2614

摘要： A transmitter for a mobile device utilizes at least one mapper in order to improve power efficiency while still meeting out of band spurious emissions and waveform quality requirements. An encoder and modulator generates an encoded and modulated transmit signal from an input signal. A digital to analog converter coupled to the encoder and modulator generates an analog representation of the encoded and modulated transmit signal. An amplifier stage coupled to the digital to analog converter amplifies the analog representation of the encoded and modulated transmit signal to generate a transmission signal. The transmitter further comprises an amplifier control block configured to generate an amplifier control signal for adjusting at least one parameter of the amplifier stage. At least one mapper is provided in the amplifier control block, used to determine the amplifier control signal based on a peak to average power ratio and an average transmit power of the transmission signal. Environmental and operating conditions of the transmitter may be accounted for as well in the mappers.

摘要翻译： 用于移动设备的发射机使用至少一个映射器，以便在仍然满足带外杂散发射和波形质量要求的同时提高功率效率。 编码器和调制器从输入信号产生编码和调制的发射信号。 耦合到编码器和调制器的数模转换器产生编码和调制的发射信号的模拟表示。 耦合到数模转换器的放大器级放大编码和调制的发送信号的模拟表示以产生发送信号。 发射机还包括放大器控制块，其被配置为产生用于调整放大器级的至少一个参数的放大器控制信号。 在放大器控制块中提供至少一个映射器，用于基于峰均功率比和发射信号的平均发射功率来确定放大器控制信号。 变送器的环境和操作条件也可以在映射器中予以考虑。

公开(公告)号：US20110130105A1

公开(公告)日：2011-06-02

申请号：US12784932

申请日：2010-05-21

申请人： Wen-Yen Chan ,  Nasserullah Khan ,  Xin Jin ,  Qingzhong Jiao

发明人： Wen-Yen Chan ,  Nasserullah Khan ,  Xin Jin ,  Qingzhong Jiao

IPC分类号： H04W52/04

CPC分类号： H03G3/20 ,  H03F1/02 ,  H03F3/24 ,  H03G3/3042 ,  H04B1/0475 ,  H04B2001/045 ,  H04L1/1867 ,  H04L27/2614

摘要： A transmitter for a mobile device utilizes at least one mapper in order to improve power efficiency while still meeting out of band spurious emissions and waveform quality requirements. An encoder and modulator generates an encoded and modulated transmit signal from an input signal. A digital to analog converter coupled to the encoder and modulator generates an analog representation of the encoded and modulated transmit signal. An amplifier stage coupled to the digital to analog converter amplifies the analog representation of the encoded and modulated transmit signal to generate a transmission signal. The transmitter further comprises an amplifier control block configured to generate an amplifier control signal for adjusting at least one parameter of the amplifier stage. At least one mapper is provided in the amplifier control block, used to determine the amplifier control signal based on a peak to average power ratio and an average transmit power of the transmission signal. Environmental and operating conditions of the transmitter may be accounted for as well in the mappers.

摘要翻译： 用于移动设备的发射机使用至少一个映射器，以便在仍然满足带外杂散发射和波形质量要求的同时提高功率效率。 编码器和调制器从输入信号产生编码和调制的发射信号。 耦合到编码器和调制器的数模转换器产生编码和调制的发射信号的模拟表示。 耦合到数模转换器的放大器级放大编码和调制的发送信号的模拟表示以产生发送信号。 发射机还包括放大器控制块，其被配置为产生用于调整放大器级的至少一个参数的放大器控制信号。 在放大器控制块中提供至少一个映射器，用于基于峰均功率比和发射信号的平均发射功率来确定放大器控制信号。 变送器的环境和操作条件也可以在映射器中予以考虑。