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    • 2. 发明申请
    • Low Complexity and Low Power Phase Shift Keying Demodulator Structure
    • 低复杂度和低功耗相移键控解调器结构
    • US20100182079A1
    • 2010-07-22
    • US12355812
    • 2009-01-19
    • Muh-Tian ShiueCihun-Siyong GongKai-Wen Yao
    • Muh-Tian ShiueCihun-Siyong GongKai-Wen Yao
    • H03D3/00
    • H03D3/006
    • A low complexity and low power phase shift keying demodulator structure comprises: a digitizer, a phase-transition-independent carrier clock extractor, a binary correlater, a delay element, and a sampler; wherein the digitizer digitizes a BPSK signal for an output waveform, the phase-transition-independent carrier clock extractor detects the phase transition on the output of the digitizer and produces a carrier clock signal, the binary correlater has correlated processes to the output signal of the digitizer and carrier clock signal obtained from the phase-transition-independent carrier clock extractor, the sampler samples the signal from the binary correlater according to the signal from the delay element in order to finish the demodulation with only small capacitance.
    • 低复杂度和低功率相移键控解调器结构包括:数字转换器,相移独立载波时钟提取器,二进制相关器,延迟元件和采样器; 其中数字转换器对输出波形的BPSK信号进行数字化,相变独立载波时钟提取器检测数字转换器的输出上的相位转换并产生载波时钟信号,二进制相关器具有与 数字转换器和载波时钟信号,采样器根据来自延迟元件的信号对来自二进制相关器的信号进行采样,以完成仅具有小电容的解调。
    • 3. 发明授权
    • Low complexity and low power phase shift keying demodulator structure
    • 低复杂度和低功耗相移键控解调器结构
    • US07911266B2
    • 2011-03-22
    • US12355812
    • 2009-01-19
    • Cihun-Siyong GongMuh-Tian ShiueKai-Wen Yao
    • Cihun-Siyong GongMuh-Tian ShiueKai-Wen Yao
    • H03D3/00
    • H03D3/006
    • A low complexity and low power phase shift keying demodulator structure includes a digitizer, a phase-transition-independent carrier clock extractor, a binary correlater, a delay element, and a sampler. The digitizer digitizes a BPSK signal for an output waveform. The phase-transition-independent carrier clock extractor detects the phase transition on the output of the digitizer and produces a carrier clock signal. The binary correlater has correlated processes to the output signal of the digitizer and carrier clock signal obtained from the phase-transition-independent carrier clock extractor. The sampler samples the signal from the binary correlater according to the signal from the delay element in order to finish the demodulation with only a small capacitance.
    • 低复杂度和低功率相移键控解调器结构包括数字转换器,相移独立载波时钟提取器,二进制相关器,延迟元件和采样器。 数字转换器将输出波形的BPSK信号数字化。 相位转移无关载波时钟提取器检测数字转换器输出端的相位转换,产生载波时钟信号。 二进制相关器具有与数字转换器的输出信号和从相变非独立载波时钟提取器获得的载波时钟信号的相关处理。 采样器根据来自延迟元件的信号对来自二进制相关器的信号进行采样,以完成仅具有小电容的解调。
    • 4. 发明申请
    • SRAM Architecture
    • SRAM架构
    • US20110007556A1
    • 2011-01-13
    • US12499135
    • 2009-07-08
    • Cihun-Siyong GongCi-Tong HongMuh-Tian ShiueKai-Wen Yao
    • Cihun-Siyong GongCi-Tong HongMuh-Tian ShiueKai-Wen Yao
    • G11C11/00G11C7/00G11C5/14
    • G11C11/413
    • A SRAM architecture comprises a read/write control signal, a read/write control transistor block, an equalize transistor block, a 6-T SRAM cell, a sense amplifier block, a column selection transistor block and a write driver. The 6-T SRAM cell can store and write data. The sense amplifier block is used to read out the data stored in the 6-T SRAM cell correctly when the SRAM architecture performs a read operation and makes bit lines BL (bit line) and BLB( bitline) produce a minimum voltage difference. The column selection transistor block is used to select a column that the data is written in and read out stored in. The write driver is used to perform a write operation to the 6-T SRAM cell of the column. The SRAM architecture can effectively increase the read SNM and dramatically reduce the power consumption.
    • SRAM架构包括读/写控制信号,读/写控制晶体管块,均衡晶体管块,6-T SRAM单元,读出放大器块,列选择晶体管块和写驱动器。 6-T SRAM单元可以存储和写入数据。 当SRAM架构执行读操作并使位线BL(位线)和BLB(位线)产生最小电压差时,读出放大器模块用于读出存储在6-T SRAM单元中的数据。 列选择晶体管块用于选择数据被写入并读出存储的列。写驱动器用于对列的6-T SRAM单元执行写操作。 SRAM架构可以有效地增加读取的SNM并显着降低功耗。
    • 5. 发明授权
    • SRAM architecture
    • SRAM架构
    • US08009462B2
    • 2011-08-30
    • US12499135
    • 2009-07-08
    • Cihun-Siyong GongCi-Tong HongMuh-Tian ShiueKai-Wen Yao
    • Cihun-Siyong GongCi-Tong HongMuh-Tian ShiueKai-Wen Yao
    • G11C11/00G11C8/00
    • G11C11/413
    • A SRAM architecture includes a read/write control signal, a read/write control transistor block, an equalize transistor block, a 6-T SRAM cell, a sense amplifier block, a column selection transistor block and a write driver. The 6-T SRAM cell can store and write data. The sense amplifier block is used to read out the data stored in the 6-T SRAM cell correctly when the SRAM architecture performs a read operation and makes bit lines BL (bit line) and BLB( bitline) produce a minimum voltage difference. The column selection transistor block is used to select a column that the data is written in and read out. The write driver is used to perform a write operation to the 6-T SRAM cell of the column. The SRAM architecture can effectively increase the read SNM and dramatically reduce the power consumption.
    • SRAM架构包括读/写控制信号,读/写控制晶体管块,均衡晶体管块,6-T SRAM单元,读出放大器块,列选择晶体管块和写驱动器。 6-T SRAM单元可以存储和写入数据。 当SRAM架构执行读操作并使位线BL(位线)和BLB(位线)产生最小电压差时,读出放大器模块用于读出存储在6-T SRAM单元中的数据。 列选择晶体管块用于选择数据被写入并读出的列。 写驱动器用于对列的6-T SRAM单元执行写操作。 SRAM架构可以有效地增加读取的SNM并显着降低功耗。
    • 8. 发明申请
    • Joint carrier synchronization and channel equalization method for OFDM systems
    • OFDM系统的联合载波同步和信道均衡方法
    • US20100239033A1
    • 2010-09-23
    • US12585220
    • 2009-09-09
    • Muh-Tian ShiueChih-Feng WuChorng-Kuang Wang
    • Muh-Tian ShiueChih-Feng WuChorng-Kuang Wang
    • H04L27/28
    • H04L27/2672H04L25/03273H04L27/266H04L2025/03414H04L2025/0377
    • A joint carrier synchronization and channel equalization method for OFDM systems, that is suitable for use in a receiver of said orthogonal frequency division multiplexer (OFDM) systems, comprising the following steps: firstly, receiving a reception signal sample of an OFDM symbol, and obtaining simultaneously a phase error and a gain error on each sub-channel in a frequency domain, through outputting a sub-channel signal on each said sub-channel in said frequency domain; next, obtaining an execution carrier frequency offset factor, an execution phase compensation factor, and an execution gain compensation factor based on said phase error and said gain error; and finally, eliminating a phase offset of said reception signal sample of a next symbol in a time domain based on said factors, and compensating a magnitude distortion and a phase distortion on each said sub-channel in said frequency domain for said reception signal of said next symbol.
    • 一种用于OFDM系统的联合载波同步和信道均衡方法,其适用于所述正交频分复用器(OFDM)系统的接收机,包括以下步骤:首先,接收OFDM符号的接收信号样本,并获得 通过在所述频域中的每个所述子信道上输出子信道信号,同时在频域中的每个子信道上产生相位误差和增益误差; 接下来,基于所述相位误差和所述增益误差获得执行载波频率偏移因子,执行相位补偿因子和执行增益补偿因子; 并且最后,基于所述因素消除在时域中的下一个符号的所述接收信号样本的相位偏移,并且在所述频域的每个所述子信道上对所述第一信号的所述接收信号的所述接收信号补偿每个所述子信道的幅度失真和相位失真 下一个符号。