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：US20050186923A1

公开(公告)日：2005-08-25

申请号：US10781812

申请日：2004-02-20

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

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

IPC分类号： H01Q11/12 ,  H04B1/04 ,  H04B1/69 ,  H04B7/005

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：US08571505B2

公开(公告)日：2013-10-29

申请号：US13598292

申请日：2012-08-29

申请人： Xin Jin ,  Qingzhong Jiao ,  Tom Yun Sang Young

发明人： Xin Jin ,  Qingzhong Jiao ,  Tom Yun Sang Young

IPC分类号： H04B1/06 ,  H04B7/00

CPC分类号： H04W52/0283 ,  H03G3/3052 ,  Y02D70/122 ,  Y02D70/1242 ,  Y02D70/144

摘要： A technique for controlling operation of a communication subsystem is described. The subsystem is set to a first wake-up mode of operation, during which a state value from the system is read and stored in memory. The subsystem is then set to a sleep mode of operation after the first wake-up mode of operation, and to a second wake-up mode of operation after the sleep mode of operation. The stored state value is then read from the memory, where the subsystem is set to operate based on the read state value during a warm-up period of the second wake-up mode of operation.

摘要翻译： 描述了一种用于控制通信子系统的操作的技术。 子系统被设置为第一个唤醒操作模式，在此期间系统中的状态值被读取并存储在存储器中。 然后，子系统在第一次唤醒操作模式之后被设置为睡眠操作模式，并且在睡眠操作模式之后被设置为第二唤醒模式。 然后从存储器读取所存储的状态值，在第二唤醒操作模式的预热期间，子系统被设置为基于读取状态值进行操作。

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：US08275335B2

公开(公告)日：2012-09-25

申请号：US13309251

申请日：2011-12-01

申请人： Xin Jin ,  Qingzhong Jiao ,  Tom Yun Sang Young

发明人： Xin Jin ,  Qingzhong Jiao ,  Tom Yun Sang Young

IPC分类号： H04B1/06 ,  H04B7/00

CPC分类号： H04W52/0283 ,  H03G3/3052 ,  Y02D70/122 ,  Y02D70/1242 ,  Y02D70/144

摘要： A communication device reads and stores in memory a state value which was utilized for operating a communication subsystem during a wake-up period of the communication subsystem. The device then causes the communication subsystem to enter into a sleep mode. Subsequently, the device causes the communication subsystem to exit from the sleep mode and enter into a current wake-up period. The stored state value is provided to the communication subsystem for use in operating the communication subsystem during a warm-up period of the current wake-up period. After the warm-up period of the current wake up period, a current state value is provided from a state controller to the communication subsystem for use in operating the communication subsystem during the wake up period. The current state value is determined based on a detected signal level of a current signal received in the communication subsystem.

摘要翻译： 通信设备在通信子系统的唤醒期间读取和存储在存储器中用于操作通信子系统的状态值。 然后，设备使通信子系统进入睡眠模式。 随后，该设备使通信子系统退出睡眠模式并进入当前的唤醒期。 将存储的状态值提供给通信子系统，以用于在当前唤醒周期的预热期间内操作通信子系统。 在当前唤醒期的预热期之后，在状态控制器向通信子系统提供当前状态值，以便在唤醒期间用于操作通信子系统。 基于在通信子系统中接收到的当前信号的检测信号电平来确定当前状态值。

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。

公开(公告)号：US07899419B2

公开(公告)日：2011-03-01

申请号：US11972332

申请日：2008-01-10

申请人： Xin Jin ,  Wen Zhao ,  Qingzhong Jiao

发明人： Xin Jin ,  Wen Zhao ,  Qingzhong Jiao

IPC分类号： H04B1/04

CPC分类号： H04B1/0475 ,  H03F1/32 ,  H03F1/3223 ,  H03F3/24 ,  H03F2200/336 ,  H03F2200/451 ,  H03G3/3042 ,  H04B1/7103 ,  H04B17/327 ,  H04B2001/0441 ,  H04W52/16 ,  H04W52/346

摘要： It has now been found that in some transmitter implementations which transmit multiple code channels, for example CDMA transmitters, the observed power for each code channel at the output relative to the other code channels is dependent upon the total transmit power due to non-linearities in the transmitter. Methods and apparatus are provided which use pre-set digital gains or digital gain adjustments to compensate for the non-linearities as a function of total transmit power such that at the output, the desired relative powers are observed.

摘要翻译： 现在已经发现，在一些发送多个码信道的发射机实现中，例如CDMA发射机，相对于其它码信道在输出处的每个码信道的观测功率取决于由于非线性的总发射功率 发射机。 提供了使用预设数字增益或数字增益调整来补偿作为总发射功率的函数的非线性的方法和装置，使得在输出处观察到期望的相对功率。

公开(公告)号：US07853230B2

公开(公告)日：2010-12-14

申请号：US12268011

申请日：2008-11-10

申请人： Xin Jin ,  Qingzhong Jiao ,  Tom Yun Sang Young

发明人： Xin Jin ,  Qingzhong Jiao ,  Tom Yun Sang Young

IPC分类号： H04B1/06 ,  H04B7/00

CPC分类号： H04W52/0283 ,  H03G3/3052 ,  Y02D70/122 ,  Y02D70/1242 ,  Y02D70/144

摘要： The settling time of a wireless receiver is reduced by providing a previously utilized gain control state value to an amplifier of a receiver front end during a warm-up portion of a wake-up period of the wireless receiver which follows a sleep period. One illustrative method includes the steps of receiving a notification signal which indicates that the wireless receiver is to be placed in a sleep mode, reading a gain control state value from a gain controller based on receiving the notification signal, storing the gain control state value in memory, providing the stored gain control state value from the memory to the wireless receiver during a warm-up period of a second wake-up period following the first wake-up period, and providing a gain control state value from the gain controller to the wireless receiver based on a signal level of a currently received signal of the wireless receiver after the warm-up period.

摘要翻译： 通过在随后的睡眠周期的无线接收机的唤醒周期的预热部分期间向接收器前端的放大器提供先前利用的增益控制状态值来减少无线接收机的建立时间。 一种说明性方法包括以下步骤：接收指示无线接收机将处于睡眠模式的通知信号，基于接收到通知信号从增益控制器读取增益控制状态值，将增益控制状态值存储在 存储器，在所述第一唤醒周期之后的第二唤醒周期的预热周期期间，将所存储的增益控制状态值从所述存储器提供给所述无线接收器，以及从所述增益控制器向所述增益控制器提供增益控制状态值 无线接收机基于预热时段之后的无线接收机的当前接收信号的信号电平。

公开(公告)号：US20090135956A1

公开(公告)日：2009-05-28

申请号：US12362569

申请日：2009-01-30

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： H03D3/24 ,  H03D3/18

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 。