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1. 发明授权

US07457367B2 Detector and method for estimating data probability in a multi-channel receiver 有权
标题翻译：用于估计多通道接收机中的数据概率的检测器和方法
公开(公告)号：US07457367B2
公开(公告)日：2008-11-25
申请号：US11177938
申请日：2005-07-07
申请人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Andrew Laraway
发明人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Andrew Laraway
IPC分类号： H04L5/12 , H04L23/02
CPC分类号： H04L1/005 , H04B1/7105 , H04L1/0052 , H04L1/0631
摘要： A detector and method for estimating channel data probability in a multi-user or multiple-input multiple-output communication system includes summing conditional bit probabilities conditioned on hypothetical channel data patterns over stochastically selected hypothetical channel data patterns. Various detailed hardware structures and circuits are also described.
摘要翻译：一种用于在多用户或多输入多输出通信系统中估计信道数据概率的检测器和方法包括：对随机选择的假想信道数据模式进行假设信道数据模式的条件位概率求和。还描述了各种详细的硬件结构和电路。

2. 发明授权

US07813438B2 Detector and method for estimating data probability in a multi-channel receiver 有权
标题翻译：用于估计多通道接收机中的数据概率的检测器和方法
公开(公告)号：US07813438B2
公开(公告)日：2010-10-12
申请号：US12209143
申请日：2008-09-11
申请人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Andrew Laraway
发明人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Andrew Laraway
IPC分类号： H04L5/12
CPC分类号： H04L1/005 , H04B1/7105 , H04L1/0052 , H04L1/0631
摘要： A detector and method for estimating channel data probability in a multi-user or multiple-input multiple-output communication system includes summing conditional bit probabilities conditioned on hypothetical channel data patterns over stochastically selected hypothetical channel data patterns. Various detailed hardware structures and circuits are also described.
摘要翻译：一种用于在多用户或多输入多输出通信系统中估计信道数据概率的检测器和方法包括：对随机选择的假想信道数据模式进行假设信道数据模式的条件位概率求和。还描述了各种详细的硬件结构和电路。

3. 发明申请

US20090003483A1 Detector and Method for Estimating Data Probability in a Multi-Channel Receiver 有权
标题翻译：用于估计多信道接收机中数据概率的检测器和方法
公开(公告)号：US20090003483A1
公开(公告)日：2009-01-01
申请号：US12209143
申请日：2008-09-11
申请人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Andrew Laraway
发明人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Andrew Laraway
IPC分类号： H04L5/12
CPC分类号： H04L1/005 , H04B1/7105 , H04L1/0052 , H04L1/0631
摘要： A detector and method for estimating channel data probability in a multi-user or multiple-input multiple-output communication system includes summing conditional bit probabilities conditioned on hypothetical channel data patterns over stochastically selected hypothetical channel data patterns. Various detailed hardware structures and circuits are also described.
摘要翻译：一种用于在多用户或多输入多输出通信系统中估计信道数据概率的检测器和方法包括：对随机选择的假想信道数据模式进行假设信道数据模式的条件位概率求和。还描述了各种详细的硬件结构和电路。

4. 发明申请

US20060023636A1 Detector and method for estimating data probability in a multi-channel receiver 有权
标题翻译：用于估计多通道接收机中的数据概率的检测器和方法
公开(公告)号：US20060023636A1
公开(公告)日：2006-02-02
申请号：US11177938
申请日：2005-07-07
申请人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Laraway
发明人： Behrouz Farhang-Boroujeny , Haidong Zhu , Zhenning Shi , Stephen Laraway
IPC分类号： H04J1/16
CPC分类号： H04L1/005 , H04B1/7105 , H04L1/0052 , H04L1/0631
摘要： A detector and method for estimating channel data probability in a multi-user or multiple-input multiple-output communication system includes summing conditional bit probabilities conditioned on hypothetical channel data patterns over stochastically selected hypothetical channel data patterns. Various detailed hardware structures and circuits are also described.
摘要翻译：一种用于在多用户或多输入多输出通信系统中估计信道数据概率的检测器和方法包括：对随机选择的假想信道数据模式进行假设信道数据模式的条件位概率求和。还描述了各种详细的硬件结构和电路。

5. 发明申请

US20090220016A1 INTERFERENCE REDUCTION IN A COMMUNICATION SIGNAL 失效
标题翻译：通信信号中的干扰减少
公开(公告)号：US20090220016A1
公开(公告)日：2009-09-03
申请号：US12064944
申请日：2006-08-30
申请人： Markus Dangl , Zhenning Shi , Mark Reed
发明人： Markus Dangl , Zhenning Shi , Mark Reed
IPC分类号： H04K1/10 , H04L27/00
CPC分类号： H04L25/03171 , H04B1/7103 , H04B2001/71077 , H04L25/067
摘要： The invention concerns the reduction of interference in a communication signal sent through a communication channel, where this interference is a performance limiting factor. The communication channel is any channel that can be described with memory elements. A Soft Input Soft Output receiver of a communication signal receives the communication signal and a priori information about the communication signal. Next creating candidate vectors having 1 to K samples by iteratively drawing samples using Gibbs sampling and using the a priori information. If a drawn kth sample of a candidate vector has not changed value for a predetermined number of created candidate vectors, then the value of the drawn kth sample is changed.
摘要翻译：本发明涉及减少通过通信信道发送的通信信号中的干扰，其中该干扰是性能限制因素。通信信道是可以用存储器元件描述的任何信道。通信信号的软输入软输出接收器接收通信信号和关于通信信号的先验信息。接下来通过使用吉布斯抽样迭代绘制样本并使用先验信息来创建具有1到K个样本的候选向量。如果候选向量的第k个样本的抽取没有改变预定数量的创建的候选向量的值，则改变绘制的第k个样本的值。

6. 发明申请

US20090103666A1 CHANNEL ESTIMATION FOR RAPID DISPERSIVE FADING CHANNELS 审中-公开
标题翻译：用于快速分散衰减信道的信道估计
公开(公告)号：US20090103666A1
公开(公告)日：2009-04-23
申请号：US12295713
申请日：2007-03-30
申请人： Ming Zhao , Zhenning Shi , Mark Reed
发明人： Ming Zhao , Zhenning Shi , Mark Reed
IPC分类号： H04L27/06
CPC分类号： H04L25/022 , H04L25/023 , H04L27/2647
摘要： This invention addresses the problem of channel estimation in fast fading communications channels, particularly for OFDM systems. It finds wide application in existing and future systems such as WLAN and WiMax. In particular, the invention involves a method of channel estimation and data detection for rapid dispersive fading channels due to high mobility. The invention involves decoding a symbol of the received transmission by retrieving pilot tones from it and using these to estimate variations in the channel frequency response using an iterative maximum likelihood channel estimation process, in which the estimation process comprises the following steps: In a first iteration, deriving soft decoded data information, that is information having a confidence value or reliability associated with it, from the estimates of the channel frequency response for the symbol obtained from pilot tones. And, in at least a second iteration using the soft decoded data information as virtual pilot tones together with the pilot tones to re-estimate the channel frequency response for the symbol. In other aspects the invention concerns a receiver and software designed to perform the method.
摘要翻译：本发明解决了在快速衰落通信信道中的信道估计问题，特别是用于OFDM系统。它在现有和未来的系统中广泛应用，如WLAN和WiMax。特别地，本发明涉及由于高移动性而对快速色散衰落信道进行信道估计和数据检测的方法。本发明涉及通过从其中检索导频音来解码所接收的传输的符号，并使用它们来估计信道频率响应的变化，其中估计过程包括以下步骤：在第一次迭代中根据从导频音获得的符号的信道频率响应的估计，导出软解码数据信息，即具有与其相关联的置信度值或可靠度的信息的软解码数据信息。并且在至少第二次迭代中，使用软解码数据信息作为虚拟导频音与导频音一起重新估计符号的信道频率响应。在其它方面，本发明涉及被设计用于执行该方法的接收器和软件。

7. 发明授权

US08009771B2 Interference reduction in a communication signal 失效
标题翻译：通信信号中的干扰减少
公开(公告)号：US08009771B2
公开(公告)日：2011-08-30
申请号：US12064944
申请日：2006-08-30
申请人： Markus Dangi , Zhenning Shi , Mark Reed
发明人： Markus Dangi , Zhenning Shi , Mark Reed
IPC分类号： H04L27/06
CPC分类号： H04L25/03171 , H04B1/7103 , H04B2001/71077 , H04L25/067
摘要： The invention concerns the reduction of interference in a communication signal sent through a communication channel, where this interference is a performance limiting factor. The communication channel is any channel that can be described with memory elements. A Soft Input Soft Output receiver of a communication signal receives the communication signal and a priori information about the communication signal. Next creating candidate vectors having 1 to K samples by iteratively drawing samples using Gibbs sampling and using the a priori information. If a drawn kth sample of a candidate vector has not changed value for a predetermined number of created candidate vectors, then the value of the drawn kth sample is changed.
摘要翻译：本发明涉及减少通过通信信道发送的通信信号中的干扰，其中该干扰是性能限制因素。通信信道是可以用存储器元件描述的任何信道。通信信号的软输入软输出接收器接收通信信号和关于通信信号的先验信息。接下来通过使用吉布斯抽样迭代绘制样本并使用先验信息来创建具有1到K个样本的候选向量。如果候选向量的第k个样本的抽取没有改变预定数量的创建的候选向量的值，则改变绘制的第k个样本的值。

8. 发明申请

US20100202546A1 CARRIER FREQUENCY OFFSET ESTIMATION FOR MULTICARRIER COMMUNICATION SYSTEMS 审中-公开
标题翻译：多媒体通信系统的载波频偏估计
公开(公告)号：US20100202546A1
公开(公告)日：2010-08-12
申请号：US12664368
申请日：2008-06-18
申请人： Ming Ruan , Zhenning Shi , Mark Reed
发明人： Ming Ruan , Zhenning Shi , Mark Reed
IPC分类号： H04L27/28 , H04L27/00
CPC分类号： H04L25/0212 , H04L27/2659 , H04L27/266 , H04L27/2662 , H04L27/2672 , H04L27/2676 , H04L27/2684
摘要： The present invention relates to a method for carrier frequency offset (CFO) estimation for multicarrier communication systems. More particularly, but not limited to, the invention relates to CFO and timing estimation in communication systems that utilise multiple carriers to transmit signals. The multicarrier communication system has a large number of possible integer CFOs. First the received signal is auto-correlated (50) in the frequency domain to identify a set of most likely integer CFO values for further processing. Then the integer CFO is estimated (52) by using the channel impulse response on the set of most likely integer CFO values in the time domain to identify the value having the most energy concentrated within the first few temporal taps. The invention provides a two stage integer CFO estimation method that makes a trade off between performance and complexity. Aspects of the invention include a method, receiver, system and software.
摘要翻译：本发明涉及用于多载波通信系统的载波频率偏移（CFO）估计方法。更具体地但不限于本发明涉及利用多个载波来发送信号的通信系统中的CFO和定时估计。多载波通信系统具有大量可能的整数CFO。首先，接收信号在频域中自动相关（50），以识别一组最可能的整数CFO值用于进一步处理。然后，通过使用在时域中最可能的整数CFO值集合上的信道脉冲响应来估计（52）整数CFO，以识别在第一几个时间抽头内具有最多能量集中的值。本发明提供了一种在性能和复杂性之间进行权衡的两阶段整数CFO估计方法。本发明的方面包括方法，接收机，系统和软件。

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