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1. 发明申请

US20090219982A1 Selectively Disabling Interference Cancellation Based on Channel Dispersion Estimation 有权
标题翻译：基于通道色散估计的选择性禁用干扰消除
公开(公告)号：US20090219982A1
公开(公告)日：2009-09-03
申请号：US12464833
申请日：2009-05-12
申请人： Baoguo Yang , Huaiyu (Hanks) Zeng
发明人： Baoguo Yang , Huaiyu (Hanks) Zeng
IPC分类号： H04B1/10 , H03K5/159
CPC分类号： H04L25/03019 , H04L25/03254 , H04L25/03318
摘要： A channel dispersion estimation algorithm(s) may be implemented within a channel length estimation module of a multi-branch equalizer processing module that disables a branch of the multi-branch equalizer processing module when the channel length or channel delay spread associated with received radio frequency (RF) bursts exceeds a predetermined threshold. The channel dispersion estimation algorithm identifies when the radio frequency (RF) bursts have a channel length or channel delay spread that can affect receiver performance. The channel length estimation module may disable interference cancellation by a branch of the multi-branch equalizer processing module in response to such a channel length or channel delay spread.
摘要翻译：可以在多分支均衡器处理模块的信道长度估计模块内实现信道分散估计算法，该方法在与所接收的射频相关的信道长度或信道延迟扩展时禁用多分支均衡器处理模块的分支（RF）突发超过预定阈值。信道色散估计算法识别何时射频（RF）突发具有可影响接收机性能的信道长度或信道延迟扩展。信道长度估计模块可以响应于这种信道长度或信道延迟扩展来禁止多分支均衡器处理模块的分支的干扰消除。

2. 发明授权

US07489741B2 System and method to perform DC compensation on a radio frequency burst in a cellular wireless network 失效
标题翻译：在蜂窝无线网络中的射频突发上执行DC补偿的系统和方法
公开(公告)号：US07489741B2
公开(公告)日：2009-02-10
申请号：US11389362
申请日：2006-03-25
申请人： Baoguo Yang , Nelson R. Sollenberger
发明人： Baoguo Yang , Nelson R. Sollenberger
IPC分类号： H04L25/06
CPC分类号： H04L1/0059 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0065 , H04L1/0068 , H04L1/0071 , H04L1/1816 , H04L1/1819 , H04L1/1829 , H04L1/1835 , H04L1/1845 , H04L1/203 , H04L1/208 , H04L5/0048 , H04L25/03171 , H04L25/03318 , H04L25/067 , H04L27/0008 , H04L27/0012 , H04L27/2017 , H04L27/2067 , H04L27/22
摘要： A method to perform DC compensation on a Radio Frequency (RF) burst transmitted between a servicing base station and a wireless terminal in a cellular wireless communication system that first receives the RF burst modulated according to either a first or second modulation format. Samples from the RF burst, or taken from the training sequence, are produced and averaged to produce a DC offset estimate. The DC offset estimate is then subtracted from each of the samples. The modulation format of RF burst may then be identified from the samples. Depending on the identified modulation format the DC offset estimate may be re-added to the samples when a particular modulation format is identified as the modulation format of the RF burst. This decision is made based on how well various components within the wireless terminal perform DC offset compensation.
摘要翻译：在首先接收根据第一或第二调制格式调制的RF突发的蜂窝无线通信系统中在服务基站和无线终端之间传送的射频（RF）突发上执行DC补偿的方法。产生来自RF突发或从训练序列获取的样本并对其进行平均以产生DC偏移估计。然后从每个样本中减去DC偏移估计。然后可以从样本中识别RF突发的调制格式。根据所识别的调制格式，当将特定调制格式识别为RF突发的调制格式时，可以将DC偏移估计重新添加到样本。该决定基于无线终端内的各种组件执行DC偏移补偿的程度。

3. 发明授权

US07535980B2 Selectively disabling interference cancellation based on channel dispersion estimation 有权
标题翻译：基于信道色散估计选择性地禁用干扰消除
公开(公告)号：US07535980B2
公开(公告)日：2009-05-19
申请号：US11151030
申请日：2005-06-13
申请人： Baoguo Yang , Huaiyu (Hanks) Zeng
发明人： Baoguo Yang , Huaiyu (Hanks) Zeng
IPC分类号： H04B1/10
CPC分类号： H04L25/03019 , H04L25/03254 , H04L25/03318
摘要： This invention provides channel dispersion estimation algorithm(s). This channel dispersion estimation algorithm(s) may be implemented within a channel length estimation module of a single-branch or multi-branch equalizer processing module that enables interference cancellation when the channel length or channel delay spread associated with received radio frequency (RF) bursts compares unfavorably to predetermined thresholds. The channel dispersion estimation algorithm identifies when the radio frequency (RF) bursts have a channel length or channel delay spread that can affect receiver performance. The channel length estimation module may disable interference cancellation in response to such a channel length or channel delay spread. Additionally, the channel length estimation module may adjust the number of equalizer states for the single-branch or first branch of a multi-branch equalizer based the channel length or channel delay spread. The multi-branch equalizer improves the signal-to-noise ratio by improving the equalization by selectively disabling interference cancellation and adjusting the number of equalizer states for the single-branch or first branch equalizer.
摘要翻译：本发明提供了信道色散估计算法。该信道色散估计算法可以在单分支或多分支均衡器处理模块的信道长度估计模块内实现，当与接收的射频（RF）突发相关联的信道长度或信道延迟扩展时，能够进行干扰消除不利于预定阈值。信道色散估计算法识别何时射频（RF）突发具有可影响接收机性能的信道长度或信道延迟扩展。信道长度估计模块可以响应于这种信道长度或信道延迟扩展来禁用干扰消除。此外，信道长度估计模块可以基于信道长度或信道延迟扩展来调整多分支均衡器的单分支或第一分支的均衡器状态的数量。多分支均衡器通过选择性地禁用干扰消除和调整单分支或第一分支均衡器的均衡器状态的数量来改善均衡来提高信噪比。

4. 发明申请

US20090103667A1 Methods for Modified Signal Acquisition for OFDM Schemes 审中-公开
标题翻译： OFDM方案修改信号采集方法
公开(公告)号：US20090103667A1
公开(公告)日：2009-04-23
申请号：US12253927
申请日：2008-10-17
申请人： Jianxuan Du , Yue Chen , Baoguo Yang
发明人： Jianxuan Du , Yue Chen , Baoguo Yang
IPC分类号： H04L27/06
CPC分类号： H04L27/2647 , H04H60/07 , H04L27/2656 , H04L27/2663 , H04L27/2678
摘要： This invention relates to methods for determining coarse symbol timing and mode detection by using CP correlation-based techniques. In particular, this invention relates to methods for determining symbol timing, frame timing, and system mode for signal acquisition, comprising the steps of: detecting symbol timing and system mode based on cyclic prefix correlation; and determining a null symbol as a function of a pre-defined number of consecutive symbols and using said null symbol to determine frame timing.
摘要翻译：本发明涉及通过使用基于CP相关的技术来确定粗符号定时和模式检测的方法。具体地说，本发明涉及用于确定信号采集的符号定时，帧定时和系统模式的方法，包括以下步骤：基于循环前缀相关检测符号定时和系统模式; 以及确定作为预定数量的连续符号的函数的空符号，并且使用所述空符号来确定帧定时。

5. 发明授权

US07406139B2 System and method to identify a modulation format of a data frame within a cellular wireless network 失效
标题翻译：用于识别蜂窝无线网络内的数据帧的调制格式的系统和方法
公开(公告)号：US07406139B2
公开(公告)日：2008-07-29
申请号：US10786258
申请日：2004-02-25
申请人： Baoguo Yang , Nelson Sollenberger
发明人： Baoguo Yang , Nelson Sollenberger
IPC分类号： H03D1/00 , H04L27/06
CPC分类号： H04L1/0059 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0065 , H04L1/0069 , H04L1/0071 , H04L1/1816 , H04L1/1819 , H04L1/1829 , H04L1/1835 , H04L1/1845 , H04L1/203 , H04L1/208 , H04L25/03171 , H04L25/03318 , H04L25/067 , H04L27/0008 , H04L27/0012 , H04L27/2017 , H04L27/2067 , H04L27/22
摘要： The modulation format of a data block (frame) received from a servicing base station by a wireless terminal in a cellular wireless communication system is identified. This involves first receiving several radio frequency (RF) bursts of one data block (frame) from the servicing base station. The RF burst carries a number of modulated symbols. The training sequence is extracted from the RF burst and is made of a number of modulated symbols. The training sequences are first processed assuming a first modulation format to produce a first accumulated channel energy. Then, the training sequences are processed assuming a second modulation format to produce a second accumulated channel energy. The first and second accumulated channel energies are compared to determine which accumulated channel energy is greater. The modulation format of the data block is identified as the modulation format corresponding to the greater accumulated channel energy.
摘要翻译：识别由蜂窝无线通信系统中的无线终端从服务基站接收的数据块（帧）的调制格式。这涉及首先从服务基站接收一个数据块（帧）的几个射频（RF）突发。 RF突发携带多个调制符号。从RF突发中提取训练序列，并且由多个调制符号组成。首先按照第一调制格式对训练序列进行处理，以产生第一累积的信道能量。然后，采用第二调制格式处理训练序列，以产生第二累积的信道能量。比较第一和第二累积通道能量以确定哪个累积通道能量较大。数据块的调制格式被识别为对应于较大的累积通道能量的调制格式。

6. 发明申请

US20070025429A1 WCDMA terminal baseband processing module having multi-path scanner module 有权
标题翻译： WCDMA终端基带处理模块具有多路径扫描模块
公开(公告)号：US20070025429A1
公开(公告)日：2007-02-01
申请号：US11216449
申请日：2005-08-31
申请人： Mark Hahm , Baoguo Yang
发明人： Mark Hahm , Baoguo Yang
IPC分类号： H04B1/707
CPC分类号： H04B1/7115 , H04B1/70735 , H04B1/70754 , H04B1/7117
摘要： A baseband processing module according to the present invention includes a multi-path scanner module. The multi-path scanner module is operable to receive timing and scrambling code information regarding an expected multi-path signal component of a WCDMA signal. Then, the multi-path scanner module is operable to identify a plurality of multi-path signal components of the WCDMA signal by descrambling, despreading and correlating a known symbol pattern of/with a baseband RX signal within a search window. The multi-path scanner module is operable to determine timing information for the plurality of multi-path signal components of the WCDMA signal found within the search window and to pass this information to a coupled rake receiver combiner module.
摘要翻译：根据本发明的基带处理模块包括多路径扫描器模块。多路径扫描器模块可操作以接收关于WCDMA信号的预期多路径信号分量的定时和扰码信息。然后，多路径扫描器模块可操作以通过在搜索窗口内对基带RX信号的已知符号模式进行解扰，解扩和相关来识别WCDMA信号的多个多路径信号分量。多路径扫描器模块可操作以确定在搜索窗口内发现的WCDMA信号的多个多路径信号分量的定时信息，并将该信息传递到耦合的瑞克接收机组合器模块。

7. 发明申请

US20060210003A1 Selectively disabling interference cancellation based on channel dispersion estimation 有权
公开(公告)号：US20060210003A1
公开(公告)日：2006-09-21
申请号：US11151030
申请日：2005-06-13
申请人： Baoguo Yang , Huaiyu (Hanks) Zeng
发明人： Baoguo Yang , Huaiyu (Hanks) Zeng
IPC分类号： H04B1/10
CPC分类号： H04L25/03019 , H04L25/03254 , H04L25/03318
摘要： This invention provides channel dispersion estimation algorithm(s). This channel dispersion estimation algorithm(s) may be implemented within a channel length estimation module of a single-branch or multi-branch equalizer processing module that enables interference cancellation when the channel length or channel delay spread associated with received radio frequency (RF) bursts compares unfavorably to predetermined thresholds. The channel dispersion estimation algorithm identifies when the radio frequency (RF) bursts have a channel length or channel delay spread that can affect receiver performance. The channel length estimation module may disable interference cancellation in response to such a channel length or channel delay spread. Additionally, the channel length estimation module may adjust the number of equalizer states for the single-branch or first branch of a multi-branch equalizer based the channel length or channel delay spread. The multi-branch equalizer improves the signal-to-noise ratio by improving the equalization by selectively disabling interference cancellation and adjusting the number of equalizer states for the single-branch or first branch equalizer.

8. 发明申请

US20060198434A1 Equalizer training method using re-encoded bits and known training sequences 失效
公开(公告)号：US20060198434A1
公开(公告)日：2006-09-07
申请号：US11271692
申请日：2005-11-10
申请人： Yue Chen , Arkady Molev-Shteiman , Aric Heiman , Nelson Sollenberger , Iluaiyu (Ilanks) Zeng , Baoguo Yang
发明人： Yue Chen , Arkady Molev-Shteiman , Aric Heiman , Nelson Sollenberger , Iluaiyu (Ilanks) Zeng , Baoguo Yang
IPC分类号： H03K5/159 , H03H7/30 , H04B1/10
CPC分类号： H04L25/03171 , H04L25/03133
摘要： The present invention provides a multi-branch equalizer processing module operable to cancel interference associated with received radio frequency (RF) burst(s). This multi-branch equalizer processing module includes both a first equalizer processing branch and a second equalizer processing branch. The first equalizer processing branch is operable to be trained based upon known training sequences and equalize the received RF burst. This results in soft samples or decisions which in turn may be converted to data bits. The soft samples are processed with a de-interleaver and channel decoder, where the combination is operable to produce a decoded frame of data bits from the soft samples. A re-encoder may re-encode the decoded frame to produce re-encoded or at least partially re-encoded data bits. An interleaver then processes the at least partially re-encoded data bits to produce and at least partially re-encoded burst. The second equalizer processing branch uses the at least partially re-encoded data bits to train linear equalizer(s) within-the second equalizer processing branch. A buffer may initially store the received RF burst(s), which are retrieved and equalized by the second equalizer processing branch once the linear equalizer(s) are trained. This results in alternate soft samples or decisions which in turn may be converted to alternate data bits. The alternate soft samples are processed with the de-interleaver and channel decoder, where the combination is operable to produce an alternate decoded frame of data bits from the alternate soft samples. This allows interfering signals to be cancelled and more accurate processing of the received RF bursts to occur.

9. 发明申请

US20060198432A1 Single antenna interference cancellation within a wireless terminal 失效
标题翻译：无线终端内的单天线干扰消除
公开(公告)号：US20060198432A1
公开(公告)日：2006-09-07
申请号：US11150925
申请日：2005-06-13
申请人： Huaiyu (Hanks) Zeng , Baoguo Yang , Arkady Molev-Shteiman , Arie Heiman , Yue Chen , Nelson R. Sollenberger
发明人： Huaiyu (Hanks) Zeng , Baoguo Yang , Arkady Molev-Shteiman , Arie Heiman , Yue Chen , Nelson R. Sollenberger
IPC分类号： H03H7/30 , H03D1/04
CPC分类号： H04L25/03171 , H04L25/03133
摘要： The present invention provides a multi-branch equalizer processing module operable to cancel interference associated with received radio frequency (RF) burst(s). This multi-branch equalizer processing module includes both a first equalizer processing branch and a second equalizer processing branch. The first equalizer processing branch is operable to be trained based upon known training sequences and equalize the received RF burst. This results in soft samples or decisions which in turn may be converted to data bits. The soft samples are processed with a de-interleaver and channel decoder, where the combination is operable to produce a decoded frame of data bits from the soft samples. A re-encoder may re-encode the decoded frame to produce re-encoded or at least partially re-encoded data bits. An interleaver then processes the at least partially re-encoded data bits to produce and at least partially re-encoded burst. The second equalizer processing branch uses the at least partially re-encoded data bits to train linear equalizer(s) within the second equalizer processing branch. A buffer may initially store the received RF burst(s), which are retrieved and equalized by the second equalizer processing branch once the linear equalizer(s) are trained. This results in alternate soft samples or decisions which in turn may be converted to alternate data bits. The alternate soft samples are processed with the de-interleaver and channel decoder, where the combination is operable to produce an alternate decoded frame of data bits from the alternate soft samples. This allows interfering signals to be cancelled and more accurate processing of the received RF bursts to occur.
摘要翻译：本发明提供一种多分支均衡器处理模块，其可操作以消除与接收的射频（RF）突发相关联的干扰。该多分支均衡器处理模块包括第一均衡器处理分支和第二均衡器处理分支。第一均衡器处理分支可操作以基于已知的训练序列进行训练，并均衡所接收的RF突发。这导致软样本或决策，而这些样本或决定又可以转换为数据位。软采样用解交织器和信道解码器处理，其中组合可操作以从软样本产生解码的数据比特帧。重新编码器可以对解码的帧进行重新编码，以产生重新编码或至少部分重新编码的数据比特。交织器然后处理至少部分重新编码的数据比特以产生和至少部分地重新编码突发。第二均衡器处理分支使用至少部分重新编码的数据比特来训练第二均衡器处理分支内的线性均衡器。缓冲器可以初始地存储所接收的RF突发，一旦训练了线性均衡器，其将被第二均衡器处理分支检索和均衡。这导致交替的软样本或决定，这又可以转换为备用数据位。用去交织器和信道解码器处理替代软样本，其中组合可操作以从备选软样本产生替代解码的数据比特帧。这允许消除干扰信号并且发生接收的RF突发的更精确的处理。

10. 发明申请

US20110182338A1 CO-CHANNEL INTERFERENCE AND ADJACENT CHANNEL INTERFERENCE DETECTION AND SUPPRESSION 审中-公开
标题翻译： CO通道干扰和相干通道干扰检测和抑制
公开(公告)号：US20110182338A1
公开(公告)日：2011-07-28
申请号：US13003053
申请日：2009-07-07
申请人： Junqiang Li , Baoguo Yang
发明人： Junqiang Li , Baoguo Yang
IPC分类号： H04B17/00
CPC分类号： H04B1/109
摘要： Methods having corresponding apparatus and computer-readable media comprise: receiving an input signal, wherein the input signal includes a DVB-H signal; detecting co-channel interference (CCI) in the signal; suppressing the CCI in the input signal; and demodulating the DVB-H signal after suppressing the CCI.
摘要翻译：具有对应装置和计算机可读介质的方法包括：接收输入信号，其中所述输入信号包括DVB-H信号; 检测信号中的同信道干扰（CCI）; 抑制输入信号中的CCI; 并在抑制CCI之后解调DVB-H信号。

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