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1.发明授权公开(公告)号：US08600294B2
公开(公告)日：2013-12-03
申请号：US12944484
申请日：2010-11-11
Applicant: Zheng Yi , Gengshi Wu
Inventor： Zheng Yi , Gengshi Wu
IPC: H04B1/60
CPC classification number: H04B7/0617 , H04B7/022 , H04B7/026 , H04B7/0619
Abstract: An uplink signal weighted processing method is disclosed. A first channel impulse response from a Mobile Station (MS) to a relay station, and a second channel impulse response from the relay station to a Base Station (BS) are acquired. A relay weight and a demodulation weight are determined according to the first channel impulse response and the second channel impulse response. The relay weight is sent to the relay station and the demodulation weight is sent to the BS, so as to enable the relay station to perform weighted processing on an MS uplink signal received by the relay station according to the relay weight to obtain an uplink relay weighted signal and to send the uplink relay weighted signal to the BS, and so as to enable the BS to perform demodulation weighted processing on the uplink relay weighted signal received by the BS according to the demodulation weight to obtain an uplink estimation signal corresponding to the MS uplink signal.
Abstract translation: 公开了一种上行链路信号加权处理方法。 获取从移动站（MS）到中继站的第一信道脉冲响应以及从中继站到基站（BS）的第二信道脉冲响应。 根据第一信道脉冲响应和第二信道脉冲响应来确定中继权重和解调权重。 继电器权重发送到中继站，并将解调权重发送到BS，以使得中继站能够根据中继权重对由中继站接收的MS上行链路信号执行加权处理，以获得上行链路中继 并向BS发送上行中继加权信号，以便BS能够根据解调权重对由BS接收的上行中继加权信号进行解调加权处理，以获得对应于上行链路中继加权信号的上行链路估计信号 MS上行信号。
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公开(公告)号：US08588287B2
公开(公告)日：2013-11-19
申请号：US13446554
申请日：2012-04-13
Applicant: Zhiqun Chen , Feng Li , Gengshi Wu , Haitao Zhang , Jing Yang , Xiuqin Peng
Inventor： Zhiqun Chen , Feng Li , Gengshi Wu , Haitao Zhang , Jing Yang , Xiuqin Peng
IPC: H04B3/46
Abstract: A method, a device and a system for detecting channel quality are provided. The method includes: judging whether a Transmit Power Control (TPC) symbol output by a receiver is an invalid symbol; when the TPC symbol is a valid symbol, judging whether polarities of in-phase/quadrature (I/Q) components of the valid symbol are opposite to each other; counting the number of invalid symbols, the number of valid symbols, and the number of valid symbols with opposite polarities; and estimating a Bit Error Rate (BER) according to the number of the invalid symbols, the number of the valid symbols, and the number of the valid symbols with the opposite polarities, and detecting the channel quality through the BER.
Abstract translation: 提供了一种用于检测信道质量的方法，装置和系统。 该方法包括：判断接收机输出的发送功率控制（TPC）符号是否为无效符号; 当TPC符号是有效符号时，判断有效符号的同相/正交（I / Q）分量的极性是否彼此相反; 对无效符号的数量，有效符号的数量和具有相反极性的有效符号的数量进行计数; 以及根据无效符号的数量，有效符号的数量和具有相反极性的有效符号的数量来估计误码率（BER），并通过BER检测信道质量。
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公开(公告)号：US20110142117A1
公开(公告)日：2011-06-16
申请号：US12981878
申请日：2010-12-30
Applicant: Meng HUA , Gengshi Wu , Chunling Zhang , Shurong Jiao
Inventor： Meng HUA , Gengshi Wu , Chunling Zhang , Shurong Jiao
CPC classification number: H04L1/06 , H04L25/0242
Abstract: A signal detecting method and device for a multi-codeword multi-input multi-output (MIMO) system are provided, which are used in the field of communication and solve the problem that it is complex to implement a signal detecting method in the multi-codeword MIMO system and the error between the signal obtained through detection and the signal actually transmitted from the transmitting end is large. The method includes: converting a received complex number signal into a real number signal; performing channel estimation to obtain a channel matrix; correcting the channel matrix to obtain an equivalent corrected matrix; generating an equivalent detecting signal according to the equivalent corrected matrix and the real number signal obtained through conversion; quantizing the equivalent detecting signal to obtain an equivalent quantized detecting signal; and generating a signal transmitted from a transmitting end according to the equivalent quantized detecting signal. The method and device can be applied in a receiving device of a multi-codeword MIMO system.
Abstract translation: 提供了一种用于多码字多输入多输出（MIMO）系统的信号检测方法和装置，其用于通信领域，并且解决了在多通道中实现信号检测方法复杂的问题， 码字MIMO系统和通过检测获得的信号与从发送端实际发送的信号之间的误差大。 该方法包括：将接收到的复数信号转换为实数信号; 执行信道估计以获得信道矩阵; 校正信道矩阵以获得等效校正矩阵; 根据等效校正矩阵和通过转换获得的实数信号产生等效检测信号; 量化等效检测信号以获得等效量化检测信号; 以及根据等效量化检测信号生成从发送端发送的信号。 该方法和装置可以应用于多码字MIMO系统的接收装置中。
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公开(公告)号：US08300677B2
公开(公告)日：2012-10-30
申请号：US12981878
申请日：2010-12-30
Applicant: Meng Hua , Gengshi Wu , Chunling Zhang , Shurong Jiao
Inventor： Meng Hua , Gengshi Wu , Chunling Zhang , Shurong Jiao
IPC: H04B1/00
CPC classification number: H04L1/06 , H04L25/0242
Abstract: A signal detecting method and device for a multi-codeword multi-input multi-output (MIMO) system are provided, which are used in the field of communication and solve the problem that it is complex to implement a signal detecting method in the multi-codeword MIMO system and the error between the signal obtained through detection and the signal actually transmitted from the transmitting end is large. The method includes: converting a received complex number signal into a real number signal; performing channel estimation to obtain a channel matrix; correcting the channel matrix to obtain an equivalent corrected matrix; generating an equivalent detecting signal according to the equivalent corrected matrix and the real number signal obtained through conversion; quantizing the equivalent detecting signal to obtain an equivalent quantized detecting signal; and generating a signal transmitted from a transmitting end according to the equivalent quantized detecting signal. The method and device can be applied in a receiving device of a multi-codeword MIMO system.
Abstract translation: 提供了一种用于多码字多输入多输出（MIMO）系统的信号检测方法和装置，其用于通信领域，并且解决了在多通道中实现信号检测方法复杂的问题， 码字MIMO系统和通过检测获得的信号与从发送端实际发送的信号之间的误差大。 该方法包括：将接收到的复数信号转换为实数信号; 执行信道估计以获得信道矩阵; 校正信道矩阵以获得等效校正矩阵; 根据等效校正矩阵和通过转换获得的实数信号产生等效检测信号; 量化等效检测信号以获得等效量化检测信号; 以及根据等效量化检测信号生成从发送端发送的信号。 该方法和装置可以应用于多码字MIMO系统的接收装置中。
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5.发明申请公开(公告)号：US20120033713A1
公开(公告)日：2012-02-09
申请号：US13274033
申请日：2011-10-14
Applicant: Jing Yang , Gengshi Wu , Nian Peng , Chunling Zhang , Meng Hua
Inventor： Jing Yang , Gengshi Wu , Nian Peng , Chunling Zhang , Meng Hua
IPC: H04B1/707
CPC classification number: H04B1/7107 , H04L25/0224 , H04L25/03019
Abstract: The present invention discloses a method for receiving and processing data. The method includes: convoluting a channel estimate value of a receive end with an SCH signal transmitted by a transmit end on an SCH and obtaining an SCH signal in a receive signal of the receive end; evaluating a difference between the receive signal and the SCH signal in the receive signal. An apparatus, and a user terminal are also disclosed in the present invention. By using the method and apparatus of the present invention, the SCH signal in a receiver may be restored and removed from the receive signal, and interference of the SCH on other channels may be eliminated, thereby improving performance of the receiver.
Abstract translation: 本发明公开了一种接收和处理数据的方法。 该方法包括：将接收端的信道估计值与由SCH发送端发送的SCH信号进行卷积，并获得接收端的接收信号中的SCH信号; 评估接收信号中的接收信号和SCH信号之间的差异。 本发明还公开了一种装置和用户终端。 通过使用本发明的方法和装置，接收机中的SCH信号可以从接收信号恢复和去除，并且可以消除SCH在其他信道上的干扰，从而提高接收机的性能。
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Patent Agency Ranking
6.发明授权公开(公告)号：US07881687B2
公开(公告)日：2011-02-01
申请号：US11848001
申请日：2007-08-30
Applicant: Jing Yang , Yu Liu , Gengshi Wu
Inventor： Jing Yang , Yu Liu , Gengshi Wu
CPC classification number: H04B1/30 , H04L25/063
Abstract: Embodiments of the present invention provide a method and a system for removing a Radio Frequency (RF) Direct Current (DC) offset in a signal. The method includes: subtracting a canceling DC from a signal carrying an RF DC offset and generating an RF DC offset residual; outputting the signal when the RF DC offset residual in the signal is zero; adjusting the canceling DC according to the RF DC offset residual in the signal if the RF DC offset residual is not zero. The system includes a receiver, an RF DC offset canceling unit, a determining unit, a canceling DC adjusting unit, and an output unit. With embodiments of the present invention, the RF DC offset in the signal may be effectively removed.
Abstract translation: 本发明的实施例提供一种用于去除信号中的射频（RF）直流（DC）偏移的方法和系统。 该方法包括：从承载RF DC偏移的信号中减去消除DC并产生RF DC偏移残差; 当信号中的RF DC偏移残差为零时，输出信号; 如果RF DC偏移残差不为零，则根据信号中的RF DC偏移残差调整抵消DC。 该系统包括接收器，RF DC偏移消除单元，确定单元，消除DC调整单元和输出单元。 利用本发明的实施例，可以有效地消除信号中的RF DC偏移。
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公开(公告)号：US20100222056A1
公开(公告)日：2010-09-02
申请号：US12779712
申请日：2010-05-13
Applicant: Gengshi Wu
Inventor： Gengshi Wu
CPC classification number: H04W48/20 , H04B1/0053 , H04B1/70758 , H04B1/7077 , H04B1/7087 , H04J11/0083
Abstract: The present invention discloses a method and an apparatus for searching for modes and frequencies. The method includes: obtaining signal energy of all frequency grids within a frequency range; obtaining energy of each mode on a smallest bandwidth according to the signal energy of the grids; sorting the energy on the smallest bandwidths of all modes; and accessing a specified number of frequencies and modes of the highest energy in the sorting result. With the present invention, energy on the smallest bandwidths of all modes at a frequency band is obtained and sorted and then an access mode is determined according to the sorting result. Thus the access mode to use for a specified frequency can be quickly determined so as to improve the access success rate of a terminal in the subsequent access process.
Abstract translation: 本发明公开了一种用于搜索模式和频率的方法和装置。 该方法包括：获得频率范围内所有频率网格的信号能量; 根据网格的信号能量，在最小带宽上获取每个模式的能量; 在所有模式的最小带宽上排序能量; 并在排序结果中访问指定数量的最高能量的频率和模式。 利用本发明，获得在频带上的所有模式的最小带宽上的能量并进行排序，然后根据分类结果确定访问模式。 因此，可以快速确定用于指定频率的访问模式，以便在随后的访问过程中提高终端的访问成功率。
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8.发明授权Method and device for determining smooth window length in channel estimation 有权用于确定信道估计中平滑窗口长度的方法和装置公开(公告)号：US08780956B2
公开(公告)日：2014-07-15
申请号：US13191151
申请日：2011-07-26
Applicant: Gengshi Wu , Fengyu Sun , Meng Hua , Chunling Zhang , Shurong Jiao
Inventor： Gengshi Wu , Fengyu Sun , Meng Hua , Chunling Zhang , Shurong Jiao
IPC: H04B1/7073 , H04L25/02
CPC classification number: H04L25/0228
Abstract: A method and a device for determining a smooth window length in channel estimation is provided. The method includes: obtaining autocorrelation values of pilot signals, where the autocorrelation values include first autocorrelation values and second autocorrelation values, at least two first autocorrelation values exist, and at least one second autocorrelation value exists; determining a speed range according to symbols of the first autocorrelation values or the symbols of the first autocorrelation values and a ratio value between the second autocorrelation value and one of the first autocorrelation values; and determining the smooth window length according to the speed range. Through the method provided in embodiments of the present invention, the problems caused by a fixed smooth window length may be avoided, and this improves system performance.
Abstract translation: 提供了一种用于确定信道估计中的平滑窗口长度的方法和装置。 该方法包括：获得导频信号的自相关值，其中自相关值包括第一自相关值和第二自相关值，存在至少两个第一自相关值，并且存在至少一个第二自相关值; 根据所述第一自相关值的符号或所述第一自相关值的符号以及所述第二自相关值与所述第一自相关值之一之间的比值确定速度范围; 并根据速度范围确定平滑的窗口长度。 通过本发明实施例提供的方法，可以避免固定平滑窗口长度引起的问题，从而提高系统性能。
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公开(公告)号：US08467787B2
公开(公告)日：2013-06-18
申请号：US12779712
申请日：2010-05-13
Applicant: Gengshi Wu
Inventor： Gengshi Wu
CPC classification number: H04W48/20 , H04B1/0053 , H04B1/70758 , H04B1/7077 , H04B1/7087 , H04J11/0083
Abstract: The present invention discloses a method and an apparatus for searching for modes and frequencies. The method includes: obtaining signal energy of all frequency grids within a frequency range; obtaining energy of each mode on a smallest bandwidth according to the signal energy of the grids; sorting the energy on the smallest bandwidths of all modes; and accessing a specified number of frequencies and modes of the highest energy in the sorting result. With the present invention, energy on the smallest bandwidths of all modes at a frequency band is obtained and sorted and then an access mode is determined according to the sorting result. Thus the access mode to use for a specified frequency can be quickly determined so as to improve the access success rate of a terminal in the subsequent access process.
Abstract translation: 本发明公开了一种用于搜索模式和频率的方法和装置。 该方法包括：获得频率范围内所有频率网格的信号能量; 根据网格的信号能量，在最小带宽上获取每个模式的能量; 在所有模式的最小带宽上排序能量; 并在排序结果中访问指定数量的最高能量的频率和模式。 利用本发明，获得在频带上的所有模式的最小带宽上的能量并进行排序，然后根据分类结果确定访问模式。 因此，可以快速确定用于指定频率的访问模式，以便在随后的访问过程中提高终端的访问成功率。
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10.发明授权公开(公告)号：US08437412B2
公开(公告)日：2013-05-07
申请号：US12636333
申请日：2009-12-11
Applicant: Meng Hua , Yan Yang , Jing Yang , Gengshi Wu
Inventor： Meng Hua , Yan Yang , Jing Yang , Gengshi Wu
CPC classification number: H04B1/7107 , H04B1/7102
Abstract: The present invention discloses a method and an apparatus for eliminating frequency-domain interference signals, and relates to communication technologies. The method includes: multiplying a frequency-domain channel estimation value by a frequency-domain interference signal to obtain a frequency-domain received interference signal; and subtracting the frequency-domain received interference signal from the frequency-domain received signal to obtain the frequency-domain received signal free of interference. The apparatus includes a multiplying module and a subtracting module. A frequency-domain equalizer includes an interference signal obtaining module and an interference signal eliminating module. The technical solution provided herein eliminates interference signals in the frequency domain, and saves the calculation load in contrast with elimination of time-domain interference signals.
Abstract translation: 本发明公开了一种消除频域干扰信号的方法和装置，涉及通信技术。 该方法包括：将频域信道估计值乘以频域干扰信号以获得频域接收干扰信号; 并从频域接收信号中减去频域接收干扰信号，得到无干扰的频域接收信号。 该装置包括乘法模块和减法模块。 频域均衡器包括干扰信号获取模块和干扰信号消除模块。 这里提供的技术方案消除了频域中的干扰信号，并且与消除时域干扰信号相反，节省了计算负荷。
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