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    • 2. 发明申请
    • MOTION-AWARE MOBILE TIME AND FREQUENCY TRACKING
    • 动作识别手机时间和频率跟踪
    • WO2009111206A1
    • 2009-09-11
    • PCT/US2009/034925
    • 2009-02-23
    • QUALCOMM INCORPORATEDTSAI, Ming-ChangSHAH, JigneshkumarCHADHA, Kanu
    • TSAI, Ming-ChangSHAH, JigneshkumarCHADHA, Kanu
    • H04W56/00
    • H04B7/2675H04W56/0035H04W56/0045
    • A method is provided for compensating for clock drift error and movement error of an access terminal. A forward link error is obtained that is attributable to at least a first error (e.g., clock drift error) component and a second error (e.g., movement error) component. The first error component and the second error component are estimated based on the obtained forward link error. A receive clock of the access terminal is compensated based on a combination of the first error component and the second error component. A transmit clock of the access terminal is compensated based on a difference between the first error component and the second error component. The forward link error may include a timing synchronization error between the access terminal and an access point as well as a frequency synchronization error between a forward link frequency and a baseband reference frequency.
    • 提供了一种用于补偿接入终端的时钟漂移误差和移动误差的方法。 获得可归因于至少第一误差(例如,时钟漂移误差)分量和第二误差(例如,运动误差)分量的前向链路误差。 基于获得的前向链路误差来估计第一误差分量和第二误差分量。 基于第一误差分量和第二误差分量的组合来补偿接入终端的接收时钟。 基于第一误差分量和第二误差分量之间的差异来补偿接入终端的传输时钟。 前向链路错误可以包括接入终端和接入点之间的定时同步误差以及正向链路频率和基带参考频率之间的频率同步误差。
    • 7. 发明申请
    • EFFICIENT CONDITIONAL FLOW CONTROL COMPILATION
    • 有效的流量控制编译
    • WO2012154606A1
    • 2012-11-15
    • PCT/US2012/036659
    • 2012-05-04
    • QUALCOMM INCORPORATEDTSAI, Ming-ChangZHANG, Chihong
    • TSAI, Ming-ChangZHANG, Chihong
    • G06F9/45
    • G06F8/443
    • In general techniques are described for efficient conditional flow control (CFC) compilation. An apparatus comprising a processor executing a compiler that includes at least one translation module may perform these techniques. The translation module translates a first set of high-level (HL) CFC software to a functionally equivalent but different second set of HL CFC software instructions. The compiler then compiles the first and second sets of high-level CFC software instructions to respective first and second sets of low-level (LL) CFC software instructions. An evaluation module of the compiler evaluates the first and second sets of LL CFC software instructions to determine which of the first and second sets of the low-level CFC software instructions is more efficient as measured in terms of at least one execution metric and outputs the one of the first and second low-level CFC software instructions determined to be most efficient.
    • 一般来说,描述了有效的条件流控制(CFC)编译技术。 包括执行包括至少一个翻译模块的编译器的处理器的装置可以执行这些技术。 翻译模块将第一组高级(HL)CFC软件转换为功能相同但不同的第二组HL CFC软件指令。 然后,编译器将第一组和第二组高级CFC软件指令编译到相应的第一和第二组低级(LL)CFC软件指令。 编译器的评估模块评估第一和第二组LL CFC软件指令,以便根据至少一个执行度量来测量低级CFC软件指令的第一组和第二组中的哪一个是更有效的,并输出 第一个和第二个低级别CFC软件指令之一被确定为最有效率。
    • 9. 发明申请
    • METHODS AND APPARATUS FOR CONTROL SIGNALING IN A COMMUNICATION SYSTEM
    • 通信系统中控制信号的方法和装置
    • WO2010123937A1
    • 2010-10-28
    • PCT/US2010/031803
    • 2010-04-20
    • QUALCOMM INCORPORATEDTSAI, Ming-ChangJIANG, YiboSAMBHWANI, Sharad Deepak
    • TSAI, Ming-ChangJIANG, YiboSAMBHWANI, Sharad Deepak
    • H04B7/06H04L1/00
    • H04B7/0641H04L1/0029H04W52/58
    • Methods and apparatus for control signaling in a communication system using continuous valued measurement and feedback are disclosed. The control signaling utilizes delta-sigma modulation where a measured phase or amplitude of a received signal is used to determine a difference signal by subtracting a previously quantized integrated difference signal from the current measurement signal, and then integrating the difference signal. The integrated difference signal is quantized and transmitted to the device originating the received signal as feedback control signaling. The device originating the received signal may then filter the control signaling to obtain the desired control information used to adjust or control the transmission of the signal transmitted by the device. By utilizing delta-sigma modulation, a greater degree of control signaling precision is achieved when controlling variables such as phase or amplitude of the transmitted signals, thereby achieving improved communication system performance.
    • 公开了使用连续值测量和反馈的通信系统中用于控制信令的方法和装置。 控制信令利用Δ-Σ调制,其中使用接收信号的测量相位或振幅来通过从当前测量信号中减去先前量化的积分差分信号,然后对该差分信号进行积分来确定差分信号。 积分差分信号被量化并发送到发送接收信号的设备作为反馈控制信令。 发起接收信号的设备可以过滤控制信令以获得用于调整或控制由设备发送的信号的传输的期望的控制信息。 通过利用Δ-Σ调制,当控制诸如发送信号的相位或幅度的变量时,实现更大程度的控制信令精度,从而实现改进的通信系统性能。