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1. 发明授权

US07994856B2 Predistorter, predistortion method, and predistortion system 有权
标题翻译：预失真，预失真方法和预失真系统
公开(公告)号：US07994856B2
公开(公告)日：2011-08-09
申请号：US12774960
申请日：2010-05-06
申请人： Hui Li , Zhan Shi , JianMin Zhou
发明人： Hui Li , Zhan Shi , JianMin Zhou
IPC分类号： H03F1/26
CPC分类号： H03F1/3294 , H03F1/3282
摘要： This invention relates to a predistorter, a predistortion method, and a predistortion system. The predistorter comprises a modulus value determining section, for determining a modulus value of an input signal; a base searching section, for searching a predetermined base lookup table in accordance with the modulus value of the input signal, so as to obtain a base lookup table value; an offset searching section, for searching a predetermined offset lookup table in accordance with the modulus value of the input signal, so as to obtain an offset lookup table value; an interpolation factor generating section, for generating an interpolation factor in accordance with the modulus value of the input signal; a multiplying section, for multiplying the offset lookup table value with the interpolation factor; and a summating section, for adding a product obtained by the multiplying section to the base lookup table value, so as to obtain a predistortion value.
摘要翻译：本发明涉及一种预失真器，一种预失真方法和一种预失真系统。预失真器包括用于确定输入信号的模数值的模数值确定部分; 基本搜索部分，用于根据输入信号的模数值搜索预定的基本查找表，以便获得基本查找表值; 偏移搜索部分，用于根据输入信号的模数值搜索预定偏移查找表，以获得偏移查找表值; 内插因子生成部，用于根据输入信号的模值生成内插因子; 乘法部分，用于将偏移查找表值与插值因子相乘; 以及加法部分，用于将由乘法部分获得的乘积与基本查找表值相加，以获得预失真值。

2. 发明授权

US07812670B2 Baseband predistortion device and method 有权
标题翻译：基带预失真装置及方法
公开(公告)号：US07812670B2
公开(公告)日：2010-10-12
申请号：US12494095
申请日：2009-06-29
申请人： Zhan Shi , Hui Li , Jianmin Zhou , Gang Sun
发明人： Zhan Shi , Hui Li , Jianmin Zhou , Gang Sun
IPC分类号： H03F1/26
CPC分类号： H03F1/3247 , H03F2201/3233
摘要： The present invention discloses a baseband predistorter and baseband predistortion method. The baseband predistorter comprising: an address generator for calculating an address of a phase basic lookup table and an address of an amplitude basic lookup table; a parameter determining unit for determining a phase translational amount, an amplitude translational amount, a phase curvature adjustment amount and an amplitude curvature adjustment amount; a phase translating unit for changing the address in accordance with the phase translational amount; an amplitude translating unit for changing the address in accordance with the amplitude translational amount; a phase basic lookup table searching section for determining a corresponding phase output; an amplitude basic lookup table searching section, for determining a corresponding amplitude output; a phase curvature adjusting section, for adjusting the phase output; and an amplitude curvature adjusting section, for adjusting the amplitude output.
摘要翻译：本发明公开了一种基带预失真器和基带预失真方法。该基带预失真器包括：地址发生器，用于计算相位基本查找表的地址和幅度基本查找表的地址; 用于确定相位平移量，振幅平移量，相位曲率调整量和振幅曲率调节量的参数确定单元; 相位转换单元，用于根据相位转换量改变地址; 幅度转换单元，用于根据振幅平移量改变地址; 相位基本查找表搜索部分，用于确定相应的相位输出; 幅度基本查找表搜索部分，用于确定对应的幅度输出; 相位曲率调整部，用于调整相位输出; 以及用于调节振幅输出的振幅曲率调节部。

3. 发明申请

US20110187455A1 Adaptive Digital Predistortion Device and Method 有权
标题翻译：自适应数字预失真装置及方法
公开(公告)号：US20110187455A1
公开(公告)日：2011-08-04
申请号：US13018878
申请日：2011-02-01
申请人： Gang Sun , JianMin Zhou , Zhan Shi , Hui Li , Zhiqi Wang
发明人： Gang Sun , JianMin Zhou , Zhan Shi , Hui Li , Zhiqi Wang
IPC分类号： H03F1/26
CPC分类号： H04L27/368 , H04L25/03343
摘要： The present invention relates to an adaptive digital predistortion device and method. The adaptive digital predistortion device comprising: a predistortion unit for predistorting an input signal according to a predistortion parameter stored in a look-up table; a cost function generation unit for generating a cost function; a fixed segment point determination unit for determining a fixed segment point; and an update unit for updating parameters (u1, u2, ka) according to the cost function to update the look-up table based on the updated parameters (u1, u2, ka), wherein ka is an updated adaptive segment point, u1 and u2 are slopes on two sides of the adaptive segment point ka; and for subsequently updating parameters (v1, v2) according to the cost function to update the look-up table based on the updated parameters (v1, v2) and the fixed segment point, wherein v1 and v2 are slopes on two sides of the fixed segment point. Therefore, the adaptive digital predistortion device according to the present invention can obtain a good performance within an acceptable convergence time by combining the adaptive segment with the fixed segment.
摘要翻译：本发明涉及一种自适应数字预失真装置和方法。该自适应数字预失真装置包括：预失真单元，用于根据存储在查找表中的预失真参数预失真输入信号; 用于产生成本函数的成本函数生成单元; 固定分段点确定单元，用于确定固定分段点; 以及更新单元，用于根据成本函数更新参数（u1，u2，ka），以基于更新的参数（u1，u2，ka）来更新查找表，其中，ka是更新的自适应段点u1和 u2是自适应段点ka两侧的斜率; 并且用于随后根据成本函数更新参数（v1，v2），以基于更新的参数（v1，v2）和固定段点更新查找表，其中v1和v2是固定的两侧的斜率分段点。因此，根据本发明的自适应数字预失真装置可以通过将自适应段与固定段组合来在可接受的收敛时间内获得良好的性能。

4. 发明授权

US07812669B2 Predistortion apparatus, system, and method 有权
标题翻译：预失真装置，系统和方法
公开(公告)号：US07812669B2
公开(公告)日：2010-10-12
申请号：US12485456
申请日：2009-06-16
申请人： Hui Li , Zhan Shi , Jianmin Zhou
发明人： Hui Li , Zhan Shi , Jianmin Zhou
IPC分类号： H03F1/26
CPC分类号： H03F1/3247 , H03F2201/3233
摘要： The present invention discloses a predistortion apparatus, a predistortion system and a predistortion method. The predistorter comprises a modular value calculating section, for performing modular arithmetic on an information source input signal inputted from an information source; an orthogonal lookup table value acquiring section, for searching N stored lookup tables orthogonal to one another, finding out corresponding output of each lookup table in accordance with the modular value of the information source input signal, and acquiring N lookup table values, wherein N is an integer greater than 1; a multiplying section, for multiplying the N lookup table values acquired by the orthogonal lookup table value acquiring section with N amplitude adjustment factors to obtain N amplitude adjustment values, and multiplying the N lookup table values with N phase adjustment factors to obtain N phase adjustment values; and a summating section, for summating the N amplitude adjustment values to obtain an amplitude predistortion value, and summating the N phase adjustment values to obtain a phase predistortion value.
摘要翻译：本发明公开了一种预失真装置，预失真系统和预失真方法。预失真器包括模块值计算部分，用于对从信息源输入的信息源输入信号进行模数运算; 正交查找表值获取部分，用于搜索彼此正交的N个存储的查找表，根据信息源输入信号的模块值找出每个查找表的相应输出，并获取N个查找表值，其中N是大于1的整数; 乘法部分，用于将由正交查找表值获取部分获取的N个查找表值与N个幅度调整因子相乘以获得N个幅度调整值，并将N个查找表值与N个相位调整因子相乘以获得N个相位调整值 ; 以及求和部分，用于对N个振幅调整值进行求和以获得幅度预失真值，并且对N个相位调整值进行求和以获得相位预失真值。

5. 发明授权

US08421533B2 Adaptive digital predistortion device and method 有权
标题翻译：自适应数字预失真装置及方法
公开(公告)号：US08421533B2
公开(公告)日：2013-04-16
申请号：US13018878
申请日：2011-02-01
申请人： Gang Sun , JianMin Zhou , Zhan Shi , Hui Li , Zhiqi Wang
发明人： Gang Sun , JianMin Zhou , Zhan Shi , Hui Li , Zhiqi Wang
IPC分类号： H03F1/26
CPC分类号： H04L27/368 , H04L25/03343
摘要： An adaptive digital predistortion device and method, the adaptive digital predistortion device including a predistortion unit for predistorting an input signal according to a predistortion parameter stored in a look-up table; a cost function generation unit for generating a cost function; a fixed segment point determination unit for determining a fixed segment point; and an update unit for updating parameters (u1, u2, ka) according to the cost function to update the look-up table based on the updated parameters (u1, u2, ka), wherein ka is an updated adaptive segment point, u1 and u2 are slopes on two sides of the adaptive segment point ka; and for subsequently updating parameters (v1, v2) according to the cost function to update the look-up table based on the updated parameters (v1, v2) and the fixed segment point, wherein v1 and v2 are slopes on two sides of the fixed segment point. Therefore, the adaptive digital predistortion device according to the present invention can obtain a good performance within an acceptable convergence time by combining the adaptive segment with the fixed segment.
摘要翻译：一种自适应数字预失真装置和方法，所述自适应数字预失真装置包括：预失真单元，用于根据存储在查找表中的预失真参数预失真输入信号; 用于产生成本函数的成本函数生成单元; 固定分段点确定单元，用于确定固定分段点; 以及更新单元，用于根据成本函数更新参数（u1，u2，ka），以基于更新的参数（u1，u2，ka）来更新查找表，其中，ka是更新的自适应段点u1和 u2是自适应段点ka两侧的斜率; 并且用于随后根据成本函数更新参数（v1，v2），以基于更新的参数（v1，v2）和固定段点更新查找表，其中v1和v2是固定的两侧的斜率分段点。因此，根据本发明的自适应数字预失真装置可以通过将自适应段与固定段组合来在可接受的收敛时间内获得良好的性能。

6. 发明申请

US20120214428A1 Predistortion Device, Method for Predistortion, and Transmitter/Receiver System 有权
标题翻译：预失真装置，预失真方法和发射机/接收机系统
公开(公告)号：US20120214428A1
公开(公告)日：2012-08-23
申请号：US13399156
申请日：2012-02-17
申请人： Jianmin Zhou , Pei Chen , Hui Li , Zhan Shi
发明人： Jianmin Zhou , Pei Chen , Hui Li , Zhan Shi
IPC分类号： H04B1/44
CPC分类号： H04L27/368
摘要： The embodiments of the present invention provide a predistortion device, method for predistortion and transmitter/receiver system. The predistortion device comprises a predistortion unit, and the predistortion device further comprises: a signal acquiring unit to process the output signals of a transmitting circuit to obtain distorted signals; a signal coupling unit to couple the distorted signals acquired by the signal acquiring unit to the receiving signals inputted to a receiving circuit; and a signal processing unit to decouple the output signals of the receiving circuit to acquire the distorted signals and the receiving signals. With the embodiments of the present invention, an analog receiving circuit may be reused in a half duplexing system and a full duplexing system, and the requirement on the analog receiving circuit is lowered, thereby reducing the cost.
摘要翻译：本发明的实施例提供了一种预失真装置，用于预失真和发射机/接收机系统的方法。预失真装置包括预失真单元，预失真装置还包括：信号获取单元，用于处理发送电路的输出信号以获得失真信号; 信号耦合单元，用于将由信号获取单元获取的失真信号耦合到输入到接收电路的接收信号; 以及信号处理单元，用于对接收电路的输出信号进行去耦以获取失真的信号和接收信号。利用本发明的实施例，模拟接收电路可以在半双工系统和全双工系统中重复使用，并且对模拟接收电路的要求降低，从而降低了成本。

7. 发明申请

US20100001795A1 Baseband Predistortion Device And Method 有权
标题翻译：基带预失真装置及方法
公开(公告)号：US20100001795A1
公开(公告)日：2010-01-07
申请号：US12494095
申请日：2009-06-29
申请人： Zhan SHI , Hui Li , Jianmin Zhou , Gang Sun
发明人： Zhan SHI , Hui Li , Jianmin Zhou , Gang Sun
IPC分类号： H03F1/26
CPC分类号： H03F1/3247 , H03F2201/3233
摘要： The present invention discloses a baseband predistorter and baseband predistortion method. The baseband predistorter comprising: an address generator for calculating an address of a phase basic lookup table and an address of an amplitude basic lookup table; a parameter determining unit for determining a phase translational amount, an amplitude translational amount, a phase curvature adjustment amount and an amplitude curvature adjustment amount; a phase translating unit for changing the address in accordance with the phase translational amount; an amplitude translating unit for changing the address in accordance with the amplitude translational amount; a phase basic lookup table searching section for determining a corresponding phase output; an amplitude basic lookup table searching section, for determining a corresponding amplitude output; a phase curvature adjusting section, for adjusting the phase output; and an amplitude curvature adjusting section, for adjusting the amplitude output.
摘要翻译：本发明公开了一种基带预失真器和基带预失真方法。该基带预失真器包括：地址发生器，用于计算相位基本查找表的地址和幅度基本查找表的地址; 用于确定相位平移量，振幅平移量，相位曲率调整量和振幅曲率调节量的参数确定单元; 相位转换单元，用于根据相位转换量改变地址; 幅度转换单元，用于根据振幅平移量改变地址; 相位基本查找表搜索部分，用于确定相应的相位输出; 幅度基本查找表搜索部分，用于确定对应的幅度输出; 相位曲率调整部，用于调整相位输出; 以及用于调节振幅输出的振幅曲率调节部。

8. 发明授权

US08971828B2 Predistortion device, method for predistortion, and transmitter/receiver system that reuse an analog receiving circuit in a half duplexing system and a full duplexing system, and that reduce the requirement on the analog receiving circuit 有权
标题翻译：预失真装置，预失真方法以及在半双工系统和全双工系统中重用模拟接收电路的发射机/接收机系统，并且减少对模拟接收电路的要求
公开(公告)号：US08971828B2
公开(公告)日：2015-03-03
申请号：US13399156
申请日：2012-02-17
申请人： Jianmin Zhou , Pei Chen , Hui Li , Zhan Shi
发明人： Jianmin Zhou , Pei Chen , Hui Li , Zhan Shi
IPC分类号： H04B1/04 , H04L27/36
CPC分类号： H04L27/368
摘要： The embodiments of the present invention provide a predistortion device, method for predistortion and transmitter/receiver system. The predistortion device comprises a predistortion unit, and the predistortion device further comprises: a signal acquiring unit to process the output signals of a transmitting circuit to obtain distorted signals; a signal coupling unit to couple the distorted signals acquired by the signal acquiring unit to the receiving signals inputted to a receiving circuit; and a signal processing unit to decouple the output signals of the receiving circuit to acquire the distorted signals and the receiving signals. With the embodiments of the present invention, an analog receiving circuit may be reused in a half duplexing system and a full duplexing system, and the requirement on the analog receiving circuit is lowered, thereby reducing the cost.
摘要翻译：本发明的实施例提供了一种预失真装置，用于预失真和发射机/接收机系统的方法。预失真装置包括预失真单元，预失真装置还包括：信号获取单元，用于处理发送电路的输出信号以获得失真信号; 信号耦合单元，用于将由信号获取单元获取的失真信号耦合到输入到接收电路的接收信号; 以及信号处理单元，用于对接收电路的输出信号进行去耦以获取失真的信号和接收信号。利用本发明的实施例，模拟接收电路可以在半双工系统和全双工系统中重复使用，并且对模拟接收电路的要求降低，从而降低了成本。

9. 发明授权

US08558615B2 Apparatus for and method of controlling a predistorter, and method of detecting power control state 有权
标题翻译：用于控制预失真器的装置和方法，以及检测功率控制状态的方法
公开(公告)号：US08558615B2
公开(公告)日：2013-10-15
申请号：US13174067
申请日：2011-06-30
申请人： Hui Li , Takanori Iwamatsu , Jianmin Zhou
发明人： Hui Li , Takanori Iwamatsu , Jianmin Zhou
IPC分类号： H03F1/26
CPC分类号： H03F1/3247 , H03F1/3258 , H03F2201/3212 , H04L27/368
摘要： This invention relates to an apparatus for and a method of controlling a predistorter, and a method of detecting power control state. The method of controlling a predistorter, which is for predistorting a signal input into a power amplifier, comprises storing predistortion coefficients used by the predistorter; acquiring indices each indicative of an output power of the power amplifier; detecting, based on the indices acquired in the acquiring, whether the power amplifier is in a state of undergoing power control; and supplying the stored predistortion coefficients to the predistorter when it is detected that the power amplifier is in the state of undergoing power control, or supplying, when it is detected that the power amplifier is not in the state of undergoing power control, to the predistorter predistortion coefficients calculated by a unit that performs predistortion coefficient adaptive updating operation.
摘要翻译：本发明涉及一种用于控制预失真器的装置和方法，以及一种检测功率控制状态的方法。控制用于将输入到功率放大器的信号预失真的预失真器的方法包括存储预失真器使用的预失真系数; 获取每个指示功率放大器的输出功率的指标; 基于在获取中获取的指标，检测功率放大器是否处于进行功率控制的状态; 并且当检测到功率放大器处于进行功率控制的状态时，将所存储的预失真系数提供给预失真器，或者当检测到功率放大器未处于进行功率控制的状态时，将其提供给预失真器由执行预失真系数自适应更新操作的单元计算的预失真系数。

10. 发明授权

US08472556B2 Amplifier device and predistortion control method 有权
标题翻译：放大器装置和预失真控制方法
公开(公告)号：US08472556B2
公开(公告)日：2013-06-25
申请号：US12878176
申请日：2010-09-09
申请人： Zhan Shi , Hui Li , Jian Min Zhou , Gang Sun , Zhiqi Wang
发明人： Zhan Shi , Hui Li , Jian Min Zhou , Gang Sun , Zhiqi Wang
IPC分类号： H04L25/03 , H04L25/49
CPC分类号： H03F1/3247 , H03F1/3282 , H03F3/189 , H03F3/24 , H03F2201/3233
摘要： This invention relates to an amplifier device and a predistortion control method. The amplifier device comprises a predistortion unit, a predistortion control unit, and an amplifier unit, of which the predistortion control unit controls the predistortion unit in accordance with a signal fed back from the amplifier unit. The predistortion control method comprises determining power of a left side lobe of two side lobes of a frequency spectrum of the signal fed back from the amplifier unit; determining power of a right side lobe of two side lobes of a frequency spectrum of the signal fed back from the amplifier unit; determining a cost function in accordance with the power of the first and right side lobes, and controlling the predistortion unit in accordance with the cost function.
摘要翻译：本发明涉及放大器装置和预失真控制方法。放大器装置包括预失真单元，预失真控制单元和放大器单元，其中预失真控制单元根据从放大器单元反馈的信号来控制预失真单元。预失真控制方法包括确定从放大器单元反馈的信号的频谱的两个旁瓣的左侧波瓣的功率; 确定从放大器单元反馈的信号的频谱的两个旁瓣的右侧瓣的功率; 根据第一和右侧叶片的功率确定成本函数，以及根据成本函数来控制预失真单元。

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