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    • 81. 发明授权
    • System for FEXT cancellation of multi-channel transceivers with precoding
    • 用于具有预编码的多通道收发器的FEXT取消系统
    • US08699551B2
    • 2014-04-15
    • US12806556
    • 2010-08-16
    • Jie ChenKeshab K. Parhi
    • Jie ChenKeshab K. Parhi
    • H04L5/16
    • H04L25/03343H04L25/03057
    • The present invention relates to data processing techniques in multi-channel data transmission systems. In this invention, a novel approach is proposed to deal with FEXT interferences in the application of high/ultra-high speed Ethernet systems. Compared with the traditional FEXT cancellation approaches, the proposed FEXT canceller can deal with the non-causal part of FEXT, and thus can achieve better cancellation performance. Instead of using the conventional DFE, structure, TH precoding technique is incorporated into the proposed design to alleviate the error propagation problem. The resulting FEXT cancellers do not contain feedback loops which makes the high speed VLSI implementation easy. A modified design is also developed by using a finite signal as the input to the FEXT canceller such that the hardware complexity of the proposed FEXT canceller can be reduced.
    • 本发明涉及多通道数据传输系统中的数据处理技术。 在本发明中,提出了一种新颖的方法来处理高/超高速以太网系统的应用中的FEXT干扰。 与传统的FEXT取消方法相比,提出的FEXT消除器可以处理FEXT的非因果部分,从而可以实现更好的取消性能。 代替使用常规的DFE,结构,TH预编码技术被并入所提出的设计中以减轻误差传播问题。 所产生的FEXT消除器不包含使得高速VLSI实现变得容易的反馈回路。 还通过使用有限信号作为FEXT消除器的输入来开发修改的设计,使得可以减少所提出的FEXT消除器的硬件复杂性。
    • 82. 发明授权
    • Ventilation airflow rate control
    • 通风量控制
    • US08672733B2
    • 2014-03-18
    • US11703518
    • 2007-02-06
    • Jie ChenAaron D. HerzonAllan J. ReifelYi Chen
    • Jie ChenAaron D. HerzonAllan J. ReifelYi Chen
    • F24F11/00F24F11/02F24F7/00
    • F04D27/004F24F11/77
    • Airflow rates within a ventilation system are controlled using motor speed or torque and motor electric current or pressure. Fan speed or torque may be varied to compensate for differing restriction in ductwork, and may provide a constant airflow rate over a range of varying airflow restriction. Air handlers or air conditioning units may be mass produced in common configurations, and installed in different buildings or structures with different ductwork configurations. Methods operate a fan motor at a present speed or torque, sample speed or torque, sample current of the fan motor or pressure within the ventilation system, calculate a present airflow rate within the ventilation system, calculate a new input setting using the present airflow rate and a target airflow rate, change the speed or torque to the new input setting, and repeat these steps to converge on the target airflow rate, often avoiding overshoot.
    • 通风系统内的气流速率可通过电机转速或转矩,电机电流或压力进行控制。 可以改变风扇速度或扭矩以补偿管道系统中的不同限制,并且可以在变化的气流限制的范围内提供恒定的气流速率。 空气处理机或空调机可以通常配置大量生产,并安装在具有不同管道结构的不同建筑物或结构中。 方法以当前速度或扭矩,采样速度或扭矩,风扇电机的采样电流或通风系统内的压力来操作风扇电机,计算通风系统内的当前气流速率,使用当前气流速率计算新的输入设置 和目标气流速率,将速度或扭矩改变到新的输入设置,并重复这些步骤以收敛于目标气流速率,通常避免过冲。
    • 83. 发明授权
    • Consumer leverage modeling
    • 消费者杠杆建模
    • US08533082B1
    • 2013-09-10
    • US12541728
    • 2009-08-14
    • Agus SudjiantoJie ChenMeghan Alita Steach
    • Agus SudjiantoJie ChenMeghan Alita Steach
    • G06Q40/00
    • G06Q40/00G06Q40/025
    • Embodiments of the present invention relate to systems, methods and computer program products that model consumer leverage and provide a leading indicator that predicts increases or decreases in consumer net non-collectibles. To do so, for example, the present invention determines the growth of consumers' spending and borrowing, and tracks a relationship between the value of a ratio that compares consumers' spending and borrowing and the value of the equilibrium of the ratio that compares consumers' spending and borrowing. This relationship is then applied to predict changes in consumers' ability to repay borrowed funds and consumer net non-collectibles.
    • 本发明的实施例涉及模拟消费者杠杆的系统,方法和计算机程序产品,并提供预测消费者非收集品的增加或减少的主要指标。 例如,本发明确定了消费者支出和借款的增长,并追踪了比较消费者支出与借款的比率价值与比较消费者比例平衡的价值之间的关系。 消费和借款。 然后将这种关系用于预测消费者偿还借款资金和消费者非收藏品的能力变化。
    • 89. 发明申请
    • System for mimo equialization of multi-channel transceivers with precoding
    • 具有预编码的多通道收发器的mimo均衡系统
    • US20110255576A1
    • 2011-10-20
    • US12806538
    • 2010-08-16
    • Jie ChenKeshab K. Parhi
    • Jie ChenKeshab K. Parhi
    • H04B1/38H04L25/03H04L27/01
    • H04L25/03343H04B3/32H04L25/03038
    • The present invention relates to data processing techniques in multi-channel data transmission systems. In this invention, a method to efficiently deal with FEXT is proposed and a circuit architecture to implement the proposed MIMO-THP equalizer is developed for the application of high/ultra-high speed Ethernet systems. The proposed method relies on the fact that FEXT inherently contains information about the symbols transmitted from the far end transmitters and it can be viewed as a signal rather than noise. Compared with the traditional FEXT cancellation approaches, the proposed design inherits both advantages of MIMO equalization technique and TH precoding technique, thus having better performance. Unlike the existing MIMO-THP technology, the proposed design completely removes the feedback loops in the existing MIMO-THP architecture. Therefore, pipelining techniques can be easily applied to obtain a high-speed design of a multi-channel DSP transceiver.
    • 本发明涉及多通道数据传输系统中的数据处理技术。 在本发明中,提出了一种有效地处理FEXT的方法,并且为了应用高/超高速以太网系统开发了实现所提出的MIMO-THP均衡器的电路架构。 所提出的方法依赖于FEXT固有地包含关于从远端发射机发射的符号的信息的事实,并且它可以被视为信号而不是噪声。 与传统的FEXT消除方法相比,提出的设计继承了MIMO均衡技术和TH预编码技术的优点,具有更好的性能。 与现有的MIMO-THP技术不同,所提出的设计完全消除了现有MIMO-THP架构中的反馈环路。 因此,可以容易地应用流水线技术来获得多通道DSP收发器的高速设计。