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1. 发明授权

US07113553B2 Low-complexity joint symbol CCK decoder 有权
标题翻译：低复杂度联合符号CCK解码器
公开(公告)号：US07113553B2
公开(公告)日：2006-09-26
申请号：US10382756
申请日：2003-03-05
申请人： Jeng-Hong Chen , Wei-Chung Peng
发明人： Jeng-Hong Chen , Wei-Chung Peng
IPC分类号： H03D3/22 , H03B1/10
CPC分类号： H04L23/02 , H04B1/7105 , H04B1/7113 , H04B1/7115 , H04B1/712 , H04B2001/70935
摘要： A method is provided for mitigating the multipath interference experienced by a present CCK symbol. This method first obtains a set of initial candidates for the present CCK symbol and a set of initial candidates for the next CCK symbol based on the ICI-corrected correlation outputs for the present and next CCK symbols, respectively. The method then obtains, for each of the candidates for the present CCK symbol, first ISI-mitigated correlation outputs where both the ICI due to the present CCK symbol and the ISI due to the next CCK symbol have been corrected. Thereafter, for each of the candidates for the present CCK symbol, and based on the first ISI-mitigated correlation outputs, the method obtains second ISI-mitigated correlation outputs where the ISI due to the previous CCK symbol has also been corrected. The present CCK symbol is then decoded based on the second ISI-mitigated correlation outputs.
摘要翻译：提供了一种用于减轻当前CCK符号经历的多路径干扰的方法。该方法首先分别基于当前和下一个CCK符号的ICI校正的相关输出，获得针对当前CCK符号的一组初始候选和下一个CCK符号的一组初始候选。然后，该方法针对当前CCK符号的每个候选者获得第一ISI减轻的相关输出，其中由于当前CCK符号引起的ICI和由于下一个CCK符号引起的ISI都被校正。此后，对于当前CCK符号的每个候选，并且基于第一ISI减轻的相关输出，该方法获得第二ISI减轻的相关输出，其中由于先前的CCK符号导致的ISI也被校正。然后基于第二ISI减轻的相关输出对当前的CCK符号进行解码。

2. 发明授权

US06756940B2 Remote terminal location algorithm 失效
标题翻译：远程终端定位算法
公开(公告)号：US06756940B2
公开(公告)日：2004-06-29
申请号：US10023216
申请日：2001-12-18
申请人： Joungheon Oh , Wei-Chung Peng
发明人： Joungheon Oh , Wei-Chung Peng
IPC分类号： G01S124
CPC分类号： G01S13/878 , G01S15/876
摘要： Various approaches for forming more accurate location estimates are disclosed. In some approaches, a plurality of preliminary location estimates are formed based on subsets of time-of-arrival measurements. A final location estimate is then made based on the preliminary location estimates. In other approaches, a quality indicator associated with the time-of-arrival measurements is modified, and subsequently used in a location algorithm. Optionally, multiple approaches may be used together.
摘要翻译：公开了用于形成更准确位置估计的各种方法。在一些方法中，基于到达时间测量的子集形成多个初步位置估计。然后根据初步位置估算值进行最终位置估算。在其他方法中，修改与到达时间测量值相关联的质量指示符，并随后在位置算法中使用。可选地，多个方法可以一起使用。

3. 发明授权

US08259862B2 Receivers and symbol decoders thereof 有权
标题翻译：接收器及其符号解码器
公开(公告)号：US08259862B2
公开(公告)日：2012-09-04
申请号：US12637388
申请日：2009-12-14
申请人： Wei-Chung Peng , Jeng-Hong Chen , Pansop Kim
发明人： Wei-Chung Peng , Jeng-Hong Chen , Pansop Kim
IPC分类号： H04L27/14
CPC分类号： H04L27/10 , H04L27/227 , H04L2027/0067
摘要： A receiver capable of decoding a symbol based on information on a previous symbol, the symbol and a next symbol in a Gaussian frequency shift keying (GFSK) communication system is provided. The receiver includes a discriminator to generate a symbol for each bit in a bit sequence, a first lookup table (LUT) to store a number of bit patterns and mapping patterns, wherein each of the bit patterns is in the form of a set of consecutive bits in the bit sequence and corresponds to a respective one of the mapping patterns, and wherein each of the mapping patterns includes a set of entries and each of the entries results from an operation of attribute values at a sample time in the waveform of a symbol, a calculator to receive a set of consecutive symbols from the discriminator and calculate a distance value between the set of consecutive symbols and each of the mapping patterns, and a comparator to identify one of the mapping patterns with a minimum distance value by comparing among the distance values from the calculator.
摘要翻译：提供一种能够基于高斯频移键控（GFSK）通信系统中的先前符号，符号和下一个符号的信息来解码符号的接收器。接收机包括用于为比特序列中的每个比特生成符号的鉴别器，用于存储多个比特模式和映射模式的第一查找表（LUT），其中每个比特模式是一组连续的形式比特序列中的比特并且对应于相应的一个映射模式，并且其中每个映射模式包括一组条目，并且每个条目由来自符号波形中的采样时间的属性值的操作产生计算器，用于从鉴别器接收一组连续的符号，并计算连续符号集合与每个映射模式之间的距离值;以及比较器，用于通过比较各个映射模式之间的比较来识别具有最小距离值的映射模式之一计算器的距离值。

4. 发明授权

US07496341B2 Device and method for providing DC-offset estimation 有权
标题翻译：提供直流偏移估计的装置和方法
公开(公告)号：US07496341B2
公开(公告)日：2009-02-24
申请号：US11089075
申请日：2005-03-24
申请人： Wei-Hong Chen , Huashih Lin , Wei-Chung Peng
发明人： Wei-Hong Chen , Huashih Lin , Wei-Chung Peng
IPC分类号： H04B1/10
CPC分类号： H04B1/30
摘要： A communication system may include an equalizing device for DC-offset mitigation. The system includes: an input analog-to-digital converter configured to receive an input signal and produce a digital signal from the input signal; and a DC-offset estimation device coupled with the input analog-to-digital converter. The DC-offset estimation device is configured to produce a quantized DC-offset estimate from the digital signal. And the input analog-to-digital converter is configured to receive the quantized DC-offset estimate and to adjust a DC offset of the digital signal.
摘要翻译：通信系统可以包括用于DC偏移减轻的均衡装置。该系统包括：输入模拟 - 数字转换器，被配置为接收输入信号并从输入信号产生数字信号; 以及与输入模数转换器耦合的DC偏移估计装置。 DC偏移估计装置被配置为从数字信号产生量化的DC偏移估计。并且输入模数转换器被配置为接收量化的DC偏移估计并且调整数字信号的DC偏移。

5. 发明申请

US20070237264A1 Hybrid DC-offset reduction method and system for direct conversion receiver 有权
标题翻译：用于直接转换接收机的混合直流偏移降低方法和系统
公开(公告)号：US20070237264A1
公开(公告)日：2007-10-11
申请号：US11399127
申请日：2006-04-05
申请人： Kuang-Hu Huang , Wei-Chung Peng , Chia-So Chuan
发明人： Kuang-Hu Huang , Wei-Chung Peng , Chia-So Chuan
IPC分类号： H04L27/22 , H04L27/08
CPC分类号： H04B1/30 , H03D3/008 , H03G3/3068 , H04L25/061
摘要： A hybrid structure circuit for the cancellation of both Type-I and Type-II DC offsets. It comprises a static compensator in conjunction with a servo-loop feedback amplifier to suppress the undesired DC components present along the path of the base band after the direct conversion mixer. Two mixers are used to down convert a received RF signal directly to a base band signal with two components: in-phase and quadrature-phase. Both in-phase and quadrature-phase branches employ the same circuitry for DC offset cancellation. Miller effect is also utilized in the structure in order to implement the circuit on-chip.
摘要翻译：用于消除I型和II型DC偏移的混合结构电路。它包括与伺服环路反馈放大器结合的静态补偿器，以在直接转换混频器之后抑制沿基带路径存在的不期望的直流分量。两个混频器用于将接收到的RF信号直接转换为具有两个分量的基带信号：同相和正交相。同相和正交相分支都使用相同的电路进行直流偏移消除。为了实现片上电路，该结构还利用了米勒效应。

6. 发明授权

US5727033A Symbol error based power control for mobile telecommunication system 失效
标题翻译：基于符号误差的移动电信系统功率控制
公开(公告)号：US5727033A
公开(公告)日：1998-03-10
申请号：US346800
申请日：1994-11-30
申请人： Carl Francis Weaver , Wei-Chung Peng
发明人： Carl Francis Weaver , Wei-Chung Peng
IPC分类号： H04B7/005 , H04B7/26 , H04J99/00 , H04L7/00
CPC分类号： H04W52/12 , H04W52/20 , H04W52/24 , H04W52/36
摘要： A mobile telecommunication system power control loop includes a symbol error rate detector to detect a number of symbol errors induced during transmission, a summing node to subtract the output of the symbol error rate detector from a symbol error rate target, a multiplier to introduce an adjustment factor, and an integration element to sum the output of the multiplier with past outputs of the multiplier. The output of the integration element is a signal power to noise power ratio target which is used to control the transmission power of the mobile telecommunication system. In one embodiment the symbol error rate target is a constant or parameter set by the user. In another embodiment the symbol error rate target is adjusted automatically to maintain a constant frame error rate.
摘要翻译：移动电信系统功率控制回路包括：符号错误率检测器，用于检测在传输期间感应到的符号错误的数量;求和节点，用于从符号错误率目标中减去符号错误率检测器的输出;引入调整的乘法器因子和积分元素将乘数的输出与乘数的过去输出相加。积分元件的输出是用于控制移动电信系统的发射功率的信号功率对功率比目标。在一个实施例中，符号错误率目标是由用户设置的常数或参数。在另一实施例中，自动调整符号错误率目标以维持恒定的帧错误率。

7. 发明申请

US20110142173A1 RECEIVERS AND SYMBOL DECODERS THEREOF 有权
标题翻译：接收者和符号解码器
公开(公告)号：US20110142173A1
公开(公告)日：2011-06-16
申请号：US12637388
申请日：2009-12-14
申请人： Wei-Chung Peng , Jeng-Hong Chen , Pansop Kim
发明人： Wei-Chung Peng , Jeng-Hong Chen , Pansop Kim
IPC分类号： H03D3/00
CPC分类号： H04L27/10 , H04L27/227 , H04L2027/0067
摘要： A receiver capable of decoding a symbol based on information on a previous symbol, the symbol and a next symbol in a Gaussian frequency shift keying (GFSK) communication system is provided. The receiver includes a discriminator to generate a symbol for each bit in a bit sequence, a first lookup table (LUT) to store a number of bit patterns and mapping patterns, wherein each of the bit patterns is in the form of a set of consecutive bits in the bit sequence and corresponds to a respective one of the mapping patterns, and wherein each of the mapping patterns includes a set of entries and each of the entries results from an operation of attribute values at a sample time in the waveform of a symbol, a calculator to receive a set of consecutive symbols from the discriminator and calculate a distance value between the set of consecutive symbols and each of the mapping patterns, and a comparator to identify one of the mapping patterns with a minimum distance value by comparing among the distance values from the calculator.
摘要翻译：提供一种能够基于高斯频移键控（GFSK）通信系统中的先前符号，符号和下一个符号的信息来解码符号的接收器。接收机包括用于为比特序列中的每个比特生成符号的鉴别器，用于存储多个比特模式和映射模式的第一查找表（LUT），其中每个比特模式是一组连续的形式比特序列中的比特并且对应于相应的一个映射模式，并且其中每个映射模式包括一组条目，并且每个条目由来自符号波形中的采样时间的属性值的操作产生计算器，用于从鉴别器接收一组连续的符号，并计算连续符号集合与每个映射模式之间的距离值;以及比较器，用于通过比较各个映射模式之间的比较来识别具有最小距离值的映射模式之一计算器的距离值。

8. 发明授权

US07933361B2 Hybrid DC-offset reduction method and system for direct conversion receiver 有权
标题翻译：用于直接转换接收机的混合直流偏移降低方法和系统
公开(公告)号：US07933361B2
公开(公告)日：2011-04-26
申请号：US11399127
申请日：2006-04-05
申请人： Kuang-Hu Huang , Wei-Chung Peng , Chia-So Chuan
发明人： Kuang-Hu Huang , Wei-Chung Peng , Chia-So Chuan
IPC分类号： H03K9/00 , H04L27/00
CPC分类号： H04B1/30 , H03D3/008 , H03G3/3068 , H04L25/061
摘要： A hybrid structure circuit for the cancellation of both Type-I and Type-II DC offsets. It comprises a static compensator in conjunction with a servo-loop feedback amplifier to suppress the undesired DC components present along the path of the base band after the direct conversion mixer. Two mixers are used to down convert a received RF signal directly to a base band signal with two components: in-phase and quadrature-phase. Both in-phase and quadrature-phase branches employ the same circuitry for DC offset cancellation. Miller effect is also utilized in the structure in order to implement the circuit on-chip.
摘要翻译：用于消除I型和II型DC偏移的混合结构电路。它包括与伺服环路反馈放大器结合的静态补偿器，以在直接转换混频器之后抑制沿基带路径存在的不期望的直流分量。两个混频器用于将接收到的RF信号直接转换为具有两个分量的基带信号：同相和正交相。同相和正交相分支都使用相同的电路进行直流偏移消除。为了实现片上电路，该结构还利用了米勒效应。

9. 发明授权

US07200164B2 Packet-based multiplication-free CCK demodulator with a fast multipath interference cipher 有权
标题翻译：基于分组的无乘法CCK解调器具有快速多径干扰密码
公开(公告)号：US07200164B2
公开(公告)日：2007-04-03
申请号：US10289749
申请日：2002-11-07
申请人： Jeng-Hong Chen , Wei-Chung Peng
发明人： Jeng-Hong Chen , Wei-Chung Peng
IPC分类号： H04B1/69
CPC分类号： H04B1/7105 , H04B1/7113 , H04B1/7115 , H04B1/712 , H04B2001/70935 , H04L23/02
摘要： A complementary code keying (CCK) demodulator used in a RAKE receiver receiving CCK symbols in a multipath environment computes multipath interferences (MPIs) required for canceling intra-codeword chip interference (ICI). The algorithmic structure jointly computes the ICI of a plurality of possible codewords. The algorithmic structure is similar to the optimal architecture required for CCK correlation computations. The similarity between these two structures allows for the use of the same hardware at different times to compute MPIs and to compute the CCK correlation of a plurality of possible codewords.
摘要翻译：在接收多路径环境中的CCK符号的RAKE接收机中使用的互补码密钥（CCK）解调器计算消除码内码片干扰（ICI）所需的多径干扰（MPI）。算法结构共同计算多个可能码字的ICI。算法结构类似于CCK相关计算所需的最优架构。这两个结构之间的相似性允许在不同时间使用相同的硬件来计算MPI并计算多个可能码字的CCK相关性。

10. 发明授权

US07161972B2 Method and apparatus for downlink joint detection in a communication system 有权
标题翻译：通信系统中下行链路联合检测的方法和装置
公开(公告)号：US07161972B2
公开(公告)日：2007-01-09
申请号：US10161154
申请日：2002-06-03
申请人： Hoon Huh , Hee-Won Kang , Wei-Chung Peng , Dennis Lai , Jeng-Hong Chen
发明人： Hoon Huh , Hee-Won Kang , Wei-Chung Peng , Dennis Lai , Jeng-Hong Chen
IPC分类号： H04B1/707
CPC分类号： H04L25/03012 , H04L25/0216 , H04L25/0242 , H04L2025/03624
摘要： A ZF joint detection apparatus for a downlink receiver, the apparatus comprising: a channel estimator for estimating a channel impulse response of a multipath fading channel of a received signal; a channel equalizer for estimating a transmission signal by performing channel compensation and removing multipath interference by a deconvolution technique based on the estimated channel impulse response; and a user detector for detecting a symbol-level data sequence transmitted by a specific user by despreading the transmission signal estimated by the channel equalizer with a spreading code for the specific user and a scrambling code.
摘要翻译：一种用于下行链路接收机的ZF联合检测装置，所述装置包括：信道估计器，用于估计接收信号的多径衰落信道的信道脉冲响应; 信道均衡器，用于通过基于估计的信道脉冲响应通过去卷积技术执行信道补偿和去除多径干扰来估计传输信号; 以及用户检测器，用于通过对由特定用户的扩展码解扰由信道均衡器估计的发送信号和扰码来检测由特定用户发送的符号级数据序列。

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