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    • 1. 发明申请
    • APPARATUS AND METHOD FOR REDUCING COMPLEXITY OF MATCHED FILTER
    • 降低匹配滤波器复杂度的装置和方法
    • US20080095278A1
    • 2008-04-24
    • US11550577
    • 2006-10-18
    • Sung-Chiao LiHuoy Bing LimChing-Chia HsuYu-Lin Wang
    • Sung-Chiao LiHuoy Bing LimChing-Chia HsuYu-Lin Wang
    • H04L27/06H04B1/00
    • H04B1/7115H04B1/7093
    • An apparatus for determining multipath correlations among a search range of input data, and a method thereof. The multipath searcher comprises a pseudo noise (PN) code generator, a correlator, and a data combiner. The PN code generator generates a first PN code corresponding to a first multipath component of the input data, postpones a first period based on the search range, then generates a second PN code corresponding to a second multipath component of the input data. The correlator is coupled to the PN code generator, and correlates the input data with the first PN code and the second PN code to produce a first correlation and a second correlation. The data combiner is coupled to the correlator, receives the first and the second correlations to determine a primary multipath component with a higher correlation thereto.
    • 一种用于确定输入数据的搜索范围之间的多径相关的装置及其方法。 多径搜索器包括伪噪声(PN)码发生器,相关器和数据组合器。 PN码发生器产生对应于输入数据的第一多径分量的第一PN码,基于搜索范围推迟第一周期,然后产生对应于输入数据的第二多径分量的第二PN码。 相关器被耦合到PN码发生器,并且将输入数据与第一PN码和第二PN码相关以产生第一相关和第二相关。 数据组合器耦合到相关器,接收第一和第二相关以确定具有较高相关性的主多径分量。
    • 2. 发明授权
    • Apparatus and method for reducing complexity of matched filter
    • 降低匹配滤波器复杂度的装置和方法
    • US07764728B2
    • 2010-07-27
    • US11550577
    • 2006-10-18
    • Sung-Chiao LiHuoy Bing LimChing-Chia HsuYu-Lin Wang
    • Sung-Chiao LiHuoy Bing LimChing-Chia HsuYu-Lin Wang
    • H04B1/69H04B1/707H04B1/713
    • H04B1/7115H04B1/7093
    • An apparatus for determining multipath correlations among a search range of input data, and a method thereof. The multipath searcher comprises a pseudo noise (PN) code generator, a correlator, and a data combiner. The PN code generator generates a first PN code corresponding to a first multipath component of the input data, postpones a first period based on the search range, then generates a second PN code corresponding to a second multipath component of the input data. The correlator is coupled to the PN code generator, and correlates the input data with the first PN code and the second PN code to produce a first correlation and a second correlation. The data combiner is coupled to the correlator, receives the first and the second correlations to determine a primary multipath component with a higher correlation thereto.
    • 一种用于确定输入数据的搜索范围之间的多径相关的装置及其方法。 多径搜索器包括伪噪声(PN)码发生器,相关器和数据合并器。 PN码发生器产生对应于输入数据的第一多径分量的第一PN码,基于搜索范围推迟第一周期,然后产生对应于输入数据的第二多径分量的第二PN码。 相关器被耦合到PN码发生器,并且将输入数据与第一PN码和第二PN码相关以产生第一相关和第二相关。 数据组合器耦合到相关器,接收第一和第二相关以确定具有较高相关性的主多径分量。
    • 3. 发明申请
    • SPREAD SPECTRUM RECEIVER, APPARATUS AND METHOD OF A CIRCULAR BUFFER FOR MULTIRATE DATA
    • 传播频谱接收机,多路径缓冲器的装置和方法
    • US20070022230A1
    • 2007-01-25
    • US11456229
    • 2006-07-10
    • Sung-Chiao LiJohnson SebeniEric PanHuoy Bing Lim
    • Sung-Chiao LiJohnson SebeniEric PanHuoy Bing Lim
    • G06F5/00
    • G06F5/10
    • An apparatus, spread spectrum receiver, and method of controlling a circular buffer, comprising a circular buffer and a controller coupled thereto. The circular buffer receives first data at a first data rate and second data at a second data rate. The controller determines a first range in the circular buffer based on the first data rate and a first time difference between the first write and first read speed, accesses the first data in the first range, estimates a second range in the circular buffer based on the second data rate and a second time difference between the first write and first read speed, and accesses the second data in the second range, where the second range is larger than and partially covered by the first range.
    • 一种装置,扩频接收机和控制循环缓冲器的方法,包括循环缓冲器和耦合到其上的控制器。 循环缓冲器以第一数据速率接收第一数据,以第二数据速率接收第二数据。 控制器基于第一数据速率和第一写入和第一读取速度之间的第一时间差来确定循环缓冲器中的第一范围,访问第一范围中的第一数据,基于循环缓冲器估计循环缓冲器中的第二范围 第二数据速率和第一写入和第一读取速度之间的第二时间差,并且访问第二范围中的第二数据,其中第二范围大于并且部分地被第一范围覆盖。
    • 4. 发明授权
    • Spread spectrum receiver, apparatus and method of a circular buffer for multirate data
    • 用于多速率数据的循环缓冲器的扩频接收机,设备和方法
    • US07689739B2
    • 2010-03-30
    • US11456229
    • 2006-07-10
    • Sung-Chiao LiJohnson SebeniEric PanHuoy Bing Lim
    • Sung-Chiao LiJohnson SebeniEric PanHuoy Bing Lim
    • G06F3/00H04B1/00
    • G06F5/10
    • An apparatus, spread spectrum receiver, and method of controlling a circular buffer, comprising a circular buffer and a controller coupled thereto. The circular buffer receives first data at a first data rate and second data at a second data rate. The controller determines a first range in the circular buffer based on the first data rate and a first time difference between the first write and first read speed, accesses the first data in the first range, estimates a second range in the circular buffer based on the second data rate and a second time difference between the first write and first read speed, and accesses the second data in the second range, where the second range is larger than and partially covered by the first range.
    • 一种装置,扩频接收机和控制循环缓冲器的方法,包括循环缓冲器和耦合到其上的控制器。 循环缓冲器以第一数据速率接收第一数据,以第二数据速率接收第二数据。 控制器基于第一数据速率和第一写入和第一读取速度之间的第一时间差来确定循环缓冲器中的第一范围,访问第一范围中的第一数据,基于循环缓冲器估计循环缓冲器中的第二范围 第二数据速率和第一写入和第一读取速度之间的第二时间差,并且访问第二范围中的第二数据,其中第二范围大于并且部分地被第一范围覆盖。