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1. 发明授权

US09362977B2 Incremental preamble detection 有权
标题翻译：增量前导码检测
公开(公告)号：US09362977B2
公开(公告)日：2016-06-07
申请号：US13566146
申请日：2012-08-03
申请人： Ivan Leonidovich Mazurenko , Alexander Alexandrovich Petyushko , Meng-Lin Yu , Jian-Guo Chen
发明人： Ivan Leonidovich Mazurenko , Alexander Alexandrovich Petyushko , Meng-Lin Yu , Jian-Guo Chen
IPC分类号： H04B1/7075 , H04L7/04
CPC分类号： H04B1/70755 , H04L7/042
摘要： In one embodiment, the present invention is a method for performing incremental preamble detection in a wireless communication network. The method processes non-overlapping chunks of incoming antenna data, where each chunk is smaller than the preamble length, to detect the signature of the transmitted preamble. For each chunk processed, chips of the chunk are correlated with possible signatures employed by the wireless network to update a set of correlation profiles, each profile comprising a plurality of profile values. Further, an intermediate detection is performed by comparing the updated profile values to an intermediate threshold that is also updated for each chunk. Upon receiving the final chunk, the correlation profiles are updated, and a final preamble detection is made by comparing the updated profile values to a final threshold. Detections are performed on an incremental basis to meet latency requirements of the wireless network.
摘要翻译：在一个实施例中，本发明是一种用于在无线通信网络中执行增量前导码检测的方法。该方法处理输入天线数据的不重叠块，其中每个块小于前导码长度，以检测所发送的前导码的签名。对于处理的每个块，块的码片与由无线网络使用的可能的签名相关联，以更新一组相关轮廓，每个轮廓包括多个轮廓值。此外，通过将更新的简档值与也为每个块更新的中间阈值进行比较来执行中间检测。在接收到最后的块之后，更新相关轮廓，并且通过将更新的简档值与最终的阈值进行比较来进行最终的前导码检测。检测是按增量执行的，以满足无线网络的延迟要求。

2. 发明授权

US09207910B2 Digital signal processor having instruction set with an xK function using reduced look-up table 有权
标题翻译：数字信号处理器具有使用减少的查找表的具有xK功能的指令集
公开(公告)号：US09207910B2
公开(公告)日：2015-12-08
申请号：US12362874
申请日：2009-01-30
申请人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
发明人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
IPC分类号： G06F1/035 , G06F7/556
CPC分类号： G06F7/556 , G06F1/035 , G06F2101/10
摘要： A digital signal processor is provided having an instruction set with an xK function that uses a reduced look-up table. The disclosed digital signal processor evaluates an xK function for an input value, x, by computing Log(x) in hardware; multiplying the Log(x) value by K; and determining the xK function by applying an exponential function in hardware to a result of the multiplying step. One or more of the computation of Log(x) and the exponential function employ at least one look-up table having entries with a fewer number of bits than a number of bits in the input value, x.
摘要翻译：提供了一种数字信号处理器，其具有使用减少的查找表的具有xK功能的指令集。所公开的数字信号处理器通过在硬件中计算Log（x）来评估输入值x的xK函数; 将Log（x）值乘以K; 以及通过在硬件中对乘法步骤的结果应用指数函数来确定xK函数。 Log（x）和指数函数的计算中的一个或多个使用至少一个查找表，其具有比输入值x中的位数少的位数较少的条目。

3. 发明申请

US20100198894A1 Digital Signal Processor Having Instruction Set With An Exponential Function Using Reduced Look-Up Table 有权
标题翻译：具有使用缩减查找表的指数函数的指令集的数字信号处理器
公开(公告)号：US20100198894A1
公开(公告)日：2010-08-05
申请号：US12362879
申请日：2009-01-30
申请人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
发明人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
IPC分类号： G06F7/52 , G06F7/00 , G06F7/38
CPC分类号： G06F7/556 , G06F1/035 , G06F2101/10
摘要： A digital signal processor is provided having an instruction set with an exponential function that uses a reduced look-up table. The disclosed digital signal processor evaluates an exponential function for an input value, x, by decomposing the input value, x, to an integer part, N, a first fractional part, q1, larger than a specified value, x0, and a second fractional part, q2, smaller than the specified value, x0; computing 2q2 using a polynomial approximation, such as a cubic approximation; obtaining 2q1 from a look-up table; and evaluating the exponential function for the input value, x, by multiplying 2q2, 2q1 and 2N together. Look-up table entries have a fewer number of bits than a number of bits in the input value, x.
摘要翻译：提供了一种数字信号处理器，其具有使用缩减的查找表的具有指数函数的指令集。所公开的数字信号处理器通过将输入值x分解为整数部分N来估算输入值x的指数函数，N，大于指定值x0的第一小数部分q1，以及第二分数部分，q2，小于指定值x0; 使用多项式近似计算2q2，例如立方近似; 从查表中获得2q1; 并且通过将2q2,2q1和2N相乘来估计输入值x的指数函数。查找表条目具有比输入值x中的位数少的位数。

4. 发明授权

US6156839A Aqueous dispersion of small particles of polytetrafluoroethylene 有权
标题翻译：聚四氟乙烯小颗粒的水分散体
公开(公告)号：US6156839A
公开(公告)日：2000-12-05
申请号：US270377
申请日：1999-03-16
申请人： Huey Shen Wu , Jack Hegenbarth , Xin Kang Chen , Jian Guo Chen
发明人： Huey Shen Wu , Jack Hegenbarth , Xin Kang Chen , Jian Guo Chen
IPC分类号： C08F14/26 , C08L27/18 , C08K5/02
CPC分类号： C08F14/26 , Y10S526/909
摘要： An aqueous microemulsion polymerization procedure is described in which very small colloidal polymer particles are produced from tetrafluoroethylene monomer. The polymerization procedure involves adding a free-radical initiator to a mixture of a microemulsion of at least one liquid saturated organic compound; and tetrafluoroalkyl ethylene.
摘要翻译：描述了一种水性微乳液聚合方法，其中由四氟乙烯单体制备非常小的胶体聚合物颗粒。聚合方法包括将自由基引发剂加入到至少一种液体饱和有机化合物的微乳液的混合物中; 和四氟烷基乙烯。

5. 发明授权

US06046271A Microemulsion polymerization systems for the production of small melt-processible fluoropolymer particles 失效
标题翻译：用于生产小的可熔融加工的含氟聚合物颗粒的微乳液聚合体系
公开(公告)号：US06046271A
公开(公告)日：2000-04-04
申请号：US863768
申请日：1997-05-27
申请人： Huey Shen Wu , Jack Hegenbarth , Xin Kang Chen , Jian Guo Chen
发明人： Huey Shen Wu , Jack Hegenbarth , Xin Kang Chen , Jian Guo Chen
IPC分类号： C08F14/26 , C08K3/06
CPC分类号： C08F14/26
摘要： An aqueous microemulsion polymerization procedure is described in which very small colloidal melt-processible fluoropolymer particles are produced from at least one monomer and optionally TFE. The polymerization procedure involves initiating polymerization by adding a free-radical initiator to a microemulsion of at least one liquid organic compound and at least one free-radical polymerizable monomer to the microemulsion.
摘要翻译：描述了一种水性微乳液聚合方法，其中由至少一种单体和任选的TFE制备非常小的胶体可熔融加工的含氟聚合物颗粒。聚合方法包括通过将自由基引发剂加入到至少一种液体有机化合物的微乳液和至少一种可自由基聚合的单体到微乳液来引发聚合反应。

6. 发明授权

US09223752B2 Digital signal processor with one or more non-linear functions using factorized polynomial interpolation 有权
标题翻译：具有一个或多个非线性函数的数字信号处理器使用分解多项式插值
公开(公告)号：US09223752B2
公开(公告)日：2015-12-29
申请号：US12324934
申请日：2008-11-28
申请人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
发明人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
IPC分类号： G06F17/17 , G06F17/10 , G06F1/035 , G06F9/30 , G06F9/38
CPC分类号： G06F17/10 , G06F1/035 , G06F9/3001 , G06F9/383
摘要： A digital signal processor and method are disclosed with one or more non-linear functions using factorized polynomial interpolation. A digital signal processor evaluates a non-linear function for a value, x, by obtaining two or more values from at least one look-up table for said non-linear function that are near said value, x; and interpolating said two or more obtained values to obtain a value, y, using a factorized polynomial interpolation.
摘要翻译：公开了使用因式分解多项式插值的一个或多个非线性函数的数字信号处理器和方法。数字信号处理器通过从接近所述值x的所述非线性函数的至少一个查找表中获得两个或更多个值来评估值x的非线性函数; 并且使用因式分解多项式插值来内插所述两个或更多个获得的值以获得值y。

7. 发明申请

US20130195007A1 INCREMENTAL PREAMBLE DETECTION 有权
标题翻译：增量预先检测
公开(公告)号：US20130195007A1
公开(公告)日：2013-08-01
申请号：US13566146
申请日：2012-08-03
申请人： Ivan Leonidovich Mazurenko , Alexander Alexandrovich Petyushko , Meng-Lin Yu , Jian-Guo Chen
发明人： Ivan Leonidovich Mazurenko , Alexander Alexandrovich Petyushko , Meng-Lin Yu , Jian-Guo Chen
IPC分类号： H04W4/00
CPC分类号： H04B1/70755 , H04L7/042
摘要： In one embodiment, the present invention is a method for performing incremental preamble detection in a wireless communication network. The method processes non-overlapping chunks of incoming antenna data, where each chunk is smaller than the preamble length, to detect the signature of the transmitted preamble. For each chunk processed, chips of the chunk are correlated with possible signatures employed by the wireless network to update a set of correlation profiles, each profile comprising a plurality of profile values. Further, an intermediate detection is performed by comparing the updated profile values to an intermediate threshold that is also updated for each chunk. Upon receiving the final chunk, the correlation profiles are updated, and a final preamble detection is made by comparing the updated profile values to a final threshold. Detections are performed on an incremental basis to meet latency requirements of the wireless network.
摘要翻译：在一个实施例中，本发明是一种用于在无线通信网络中执行增量前导码检测的方法。该方法处理输入天线数据的不重叠块，其中每个块小于前导码长度，以检测所发送的前导码的签名。对于处理的每个块，块的码片与由无线网络使用的可能的签名相关联，以更新一组相关轮廓，每个轮廓包括多个轮廓值。此外，通过将更新的简档值与也为每个块更新的中间阈值进行比较来执行中间检测。在接收到最后的块之后，更新相关轮廓，并且通过将更新的简档值与最终的阈值进行比较来进行最终的前导码检测。检测是按增量执行的，以满足无线网络的延迟要求。

8. 发明申请

US20100198893A1 Digital Signal Processor Having Instruction Set With An Xk Function Using Reduced Look-Up Table 有权
标题翻译：具有使用缩减查找表的Xk函数的指令集的数字信号处理器
公开(公告)号：US20100198893A1
公开(公告)日：2010-08-05
申请号：US12362874
申请日：2009-01-30
申请人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
发明人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
IPC分类号： G06F7/00 , G06F7/52
CPC分类号： G06F7/556 , G06F1/035 , G06F2101/10
摘要： A digital signal processor is provided having an instruction set with an xK function that uses a reduced look-up table. The disclosed digital signal processor evaluates an xK function for an input value, x, by computing Log(x) in hardware; multiplying the Log(x) value by K; and determining the xK function by applying an exponential function in hardware to a result of the multiplying step. One or more of the computation of Log(x) and the exponential function employ at least one look-up table having entries with a fewer number of bits than a number of bits in the input value, x.
摘要翻译：提供了一种数字信号处理器，其具有使用减少的查找表的具有xK功能的指令集。所公开的数字信号处理器通过在硬件中计算Log（x）来评估输入值x的xK函数; 将Log（x）值乘以K; 以及通过在硬件中对乘法步骤的结果应用指数函数来确定xK函数。 Log（x）和指数函数的计算中的一个或多个使用至少一个查找表，其具有比输入值x中的位数少的位数较少的条目。

9. 发明申请

US20100138464A1 Digital Signal Processor Having Instruction Set With One Or More Non-Linear Functions Using Reduced Look-Up Table With Exponentially Varying Step-Size 有权
标题翻译：具有一个或多个非线性函数的指令集的数字信号处理器使用具有指数变化步长的缩减查找表
公开(公告)号：US20100138464A1
公开(公告)日：2010-06-03
申请号：US12324931
申请日：2008-11-28
申请人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
发明人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
IPC分类号： G06F17/17
CPC分类号： G06F17/10 , G06F1/035 , G06F9/3001 , G06F9/383
摘要： A digital signal processor and method are disclosed having an instruction set with one or more non-linear functions using a look-up table of reduced size and exponentially varying step-sizes. A digital signal processor evaluates a non-linear function for a value, x, by obtaining at least two values from at least one look-up table for the non-linear function that are near the value, x, wherein the at least one look-up table stores a subset of values for the non-linear function using exponentially-varying step sizes; and interpolating the at least two obtained values lo to obtain a result, y. A position of a leading zero in the value, x, can be used as an index into the at least one look-up table. The interpolation can comprise, for example, a linear interpolation or a polynomial interpolation. A modulo arithmetic operation can optionally be employed for a periodic non-linear function.
摘要翻译：公开了一种数字信号处理器和方法，其具有使用减小尺寸和指数级变化的步长的查找表的具有一个或多个非线性函数的指令集。数字信号处理器通过从近似于值x的非线性函数的至少一个查找表中获得至少两个值来评估值x的非线性函数，其中至少一个外观 -up表使用指数变化的步长存储用于非线性函数的值的子集; 并且内插所述至少两个获得的值lo以获得结果y。值x中的前导零的位置可以用作至少一个查找表中的索引。内插可以包括例如线性内插或多项式插值。对于周期性非线性函数可以可选地使用模运算。

10. 发明申请

US20100138463A1 Digital Signal Processor Having Instruction Set With One Or More Non-Linear Functions Using Reduced Look-Up Table 有权
标题翻译：具有使用缩减查找表的一个或多个非线性函数的指令集的数字信号处理器
公开(公告)号：US20100138463A1
公开(公告)日：2010-06-03
申请号：US12324927
申请日：2008-11-28
申请人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
发明人： Kameran Azadet , Jian-Guo Chen , Samer Hijazi , Joseph Williams
IPC分类号： G06F17/17
CPC分类号： G06F17/10 , G06F1/035 , G06F9/3001 , G06F9/383
摘要： A digital signal processor and method are disclosed having an instruction set with one or more non-linear functions using a look-up table of reduced size. A digital signal processor evaluates a non-linear function for a value, x, by obtaining two or more values for the non-linear function that are near the value, x, from at least one look-up table, wherein the at least one look-up table stores a subset of values for the non-linear function; and interpolating the two or more obtained values to obtain a result, y. The interpolation may comprise, for example, a linear interpolation or a polynomial interpolation. In a further variation, a modulo arithmetic operation can be employed for a periodic non-linear function.
摘要翻译：公开了一种使用具有缩小尺寸的查找表的具有一个或多个非线性函数的指令集的数字信号处理器和方法。数字信号处理器通过从至少一个查找表获得接近值x的非线性函数的两个或更多个值来评估值x的非线性函数，其中至少一个查找表存储非线性函数的值的子集; 并且内插两个或更多获得的值以获得结果y。插值可以包括例如线性内插或多项式插值。在另一变型中，可以对周期性非线性函数采用模运算。

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