专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08391408B2 Method and apparatus for spatial mapping matrix searching 有权
标题翻译：空间映射矩阵搜索的方法和装置
公开(公告)号：US08391408B2
公开(公告)日：2013-03-05
申请号：US12431579
申请日：2009-04-28
申请人： Cheng-Ming Chen , Chien-Yu Kao , Pang-An Ting , Shang-Ho Tsai
发明人： Cheng-Ming Chen , Chien-Yu Kao , Pang-An Ting , Shang-Ho Tsai
IPC分类号： H04L25/49
CPC分类号： H04B7/0413 , H04B7/0682
摘要： A spatial mapping matrix searching apparatus may include a plurality of antennae configured to receive a plurality of transmission signals, a post-coding module configured to generate a post-coding information according to the received plurality of transmission signals and generate a received signal from the received plurality of transmission signals, and a pre-coding module configured to generate a pre-coding information according to the post-coding information.
摘要翻译：空间映射矩阵搜索装置可以包括被配置为接收多个发送信号的多个天线，后置编码模块，被配置为根据所接收的多个发送信号生成后置编码信息，并从接收到的信号生成接收信号多个发送信号，以及预编码模块，被配置为根据后编码信息生成预编码信息。

2. 发明申请

US20110158341A1 METHOD AND APPARATUS FOR PHASE QUANTIZATION AND EQUAL GAIN PRECODING USING LATTICES 审中-公开
标题翻译：用于相位定量的方法和装置以及使用LATTICES的平均增益预测
公开(公告)号：US20110158341A1
公开(公告)日：2011-06-30
申请号：US12898413
申请日：2010-10-05
申请人： Shang-Ho Tsai , Hsiao-Lan Chiang , Ping-Heng Kuo , Pang-An Ting , Gene C.H. Chuang
发明人： Shang-Ho Tsai , Hsiao-Lan Chiang , Ping-Heng Kuo , Pang-An Ting , Gene C.H. Chuang
IPC分类号： H04B7/02
CPC分类号： H04B7/0452 , H04B7/024 , H04B7/0456 , H04B7/0478
摘要： A method and apparatus are disclosed for phase quantization and equal gain precoding in a wireless communication system. The method includes scaling, by a receiving device, a phase vector based on a predetermined scaling factor to determine a first lattice point. The method also includes determining, by the receiving device, a second lattice point based on the determined first lattice point. In addition, the method includes determining, by the receiving device, a quantized phase vector based on the determined second lattice point and the predetermined scaling factor.
摘要翻译：公开了用于无线通信系统中的相位量化和等增益预编码的方法和装置。该方法包括基于预定的缩放因子，由接收装置缩放相位矢量以确定第一格点。该方法还包括基于所确定的第一格子点，由接收装置确定第二格点。此外，该方法包括由接收装置基于确定的第二格子点和预定缩放因子来确定量化的相位矢量。

3. 发明申请

US20120140848A1 Transmitting Terminal and Transmit Antenna Selecting Method Thereof 有权
标题翻译：发射天线和发射天线选择方法
公开(公告)号：US20120140848A1
公开(公告)日：2012-06-07
申请号：US12959664
申请日：2010-12-03
申请人： Pu-Hsuan Lin , Shang-Ho Tsai , Yung-Chuan Lin , Gene C.H. Chuang
发明人： Pu-Hsuan Lin , Shang-Ho Tsai , Yung-Chuan Lin , Gene C.H. Chuang
IPC分类号： H04L25/03
CPC分类号： H04B7/0691 , H04B7/0413
摘要： A transmitting terminal includes a signal processing unit, MS RF units, MT transmit antennas and a switch unit. The signal processing unit has K precoders for precoding K data streams corresponding to K receiving terminals. The MS RF units output MS up-converted transmit signals based on the precoded K data streams. The switch unit is coupled between the RF units and the transmit antennas and controlled by the signal processing unit for selection of the transmit antennas. The signal processing unit sets the MT transmit antennas as a universal set, calculates a plurality of sum rates corresponding to a plurality of subsets, each subset excluding an ith transmit antenna, according to channel state information, selects the subset with a maximum sum rate as the universal set of a next iteration, and then repeats the calculating and selecting steps until the subset with the maximum sum rate remaining MS transmit antennas.
摘要翻译：发送终端包括信号处理单元，MS RF单元，MT发送天线和开关单元。信号处理单元具有用于对与K个接收终端对应的K个数据流进行预编码的K个预编码器。 MS RF单元基于预编码的K个数据流输出MS上变频的发送信号。开关单元耦合在RF单元和发射天线之间，并由信号处理单元控制，用于选择发射天线。信号处理单元将MT发送天线设置为通用集合，根据信道状态信息，计算与多个子集对应的多个和速率，除了第i个发射天线之外的每个子集，以最大和速率选择子集作为下一次迭代的通用集合，然后重复计算和选择步骤，直到具有最大和速率剩余MS发射天线的子集。

4. 发明授权

US08442145B2 Transmitting terminal and transmit antenna selecting method thereof 有权
标题翻译：发射终端及其发射天线选择方法
公开(公告)号：US08442145B2
公开(公告)日：2013-05-14
申请号：US12959664
申请日：2010-12-03
申请人： Pu-Hsuan Lin , Shang-Ho Tsai , Yung-Chuan Lin , Gene C. H. Chuang
发明人： Pu-Hsuan Lin , Shang-Ho Tsai , Yung-Chuan Lin , Gene C. H. Chuang
IPC分类号： H04B7/02
CPC分类号： H04B7/0691 , H04B7/0413
摘要： A transmitting terminal includes a signal processing unit, MS RF units, MT transmit antennas and a switch unit. The signal processing unit has K precoders for precoding K data streams corresponding to K receiving terminals. The MS RF units output MS up-converted transmit signals based on the precoded K data streams. The switch unit is coupled between the RF units and the transmit antennas and controlled by the signal processing unit for selection of the transmit antennas. The signal processing unit sets the MT transmit antennas as a universal set, calculates a plurality of sum rates corresponding to a plurality of subsets, each subset excluding an ith transmit antenna, according to channel state information, selects the subset with a maximum sum rate as the universal set of a next iteration, and then repeats the calculating and selecting steps until the subset with the maximum sum rate remaining MS transmit antennas.
摘要翻译：发送终端包括信号处理单元，MS RF单元，MT发送天线和开关单元。信号处理单元具有用于对与K个接收终端对应的K个数据流进行预编码的K个预编码器。 MS RF单元基于预编码的K个数据流输出MS上变频的发送信号。开关单元耦合在RF单元和发射天线之间，并由信号处理单元控制，用于选择发射天线。信号处理单元将MT发送天线设置为通用集合，根据信道状态信息，计算与多个子集对应的多个和速率，除了第i个发射天线之外的每个子集，以最大和速率选择子集作为下一次迭代的通用集合，然后重复计算和选择步骤，直到具有最大和速率剩余MS发射天线的子集。

5. 发明授权

US07733975B1 Method for estimating phase error in MIMO OFDM communications system 失效
公开(公告)号：US07733975B1
公开(公告)日：2010-06-08
申请号：US12346886
申请日：2008-12-31
申请人： Shang-Ho Tsai , Hsiao-Lan Chiang , Hsuan-Yu Liu , Po-Yuen Cheng
发明人： Shang-Ho Tsai , Hsiao-Lan Chiang , Hsuan-Yu Liu , Po-Yuen Cheng
IPC分类号： H04B7/08 , H04L27/28
CPC分类号： H04L27/2657 , H04B7/0413 , H04L1/0606 , H04L1/0631 , H04L1/20 , H04L5/0023 , H04L25/0204 , H04L25/03159 , H04L27/2675 , H04L27/2695 , H04L2025/03414 , H04L2027/0067 , H04L2027/0087
摘要： A method for estimating a phase error existing in a receiver of a MIMO OFDM communications system is disclosed. The method includes executing Hermitian transpose on channel coefficient matrix of the MIMO OFDM communications system for generating Hermitian-transposed channel coefficient matrix, multiplying received signal matrix of the receiver with the Hermitian-transposed channel coefficient matrix for generating converted signals, summing products of the converted signals and complex conjugates of pilot signals corresponding to the converted signals for generating a sum result, and generating the phase error according to the sum result, the converted signals, and the complex conjugates of the pilot signals. The pilot signals are extracted from the received signal matrix.

6. 发明授权

US07697533B2 Communication device and method 有权
标题翻译：通讯装置及方法
公开(公告)号：US07697533B2
公开(公告)日：2010-04-13
申请号：US11751076
申请日：2007-05-21
申请人： Shang-Ho Tsai , Shih-Chung Yin , Po-Yuen Cheng , Chung-Yen Huang
发明人： Shang-Ho Tsai , Shih-Chung Yin , Po-Yuen Cheng , Chung-Yen Huang
IPC分类号： H04L12/56
CPC分类号： H04L1/0054 , H04W28/18
摘要： A communication device and a method of processing input data. The communication device, processing input data constituting at least one of data packet comprises a detection unit, an Automatic Gain Controller (AGC), a signal processor, a demodulator, a pre-detection module, and a Baseband module. The detection unit receives the input data to perform the packet detection. The Automatic Gain Controller, coupled to the detection unit, generates an adjusted data and a gain control parameter once packet is detected. The signal processor, coupled to the AGC, performs the data signal processing includes at least one of analog to digital transformation processing, radio frequency processing and baseband processing, and detects at least one of the desired signal, noise and interference. The demodulator, coupled to the signal processor, demodulates the processed data into a processed data according to at least one processing function of noise reduction, interference reduction, and signal compensation. The pre-detection module, coupled to the demodulator, determines whether a potential error has occurred in the demodulated input data by a pre-detection method prior completing retrieval of the data packet for performing a packet-based error check sequence, and performs a selection to decide whether the components need to be terminated and which of the components need to be terminated if there is a potential error occurred on the demodulated input data. The Baseband module, coupled to the demodulator, performs a packet-based error check on the data packet upon completing retrieval of the data packet if there is no potential error occurred on the demodulated input data.
摘要翻译：通信设备和处理输入数据的方法。通信设备处理构成数据分组中的至少一个的输入数据包括检测单元，自动增益控制器（AGC），信号处理器，解调器，预检测模块和基带模块。检测单元接收输入数据以执行分组检测。一旦检测到包，耦合到检测单元的自动增益控制器产生经调整的数据和增益控制参数。耦合到AGC的信号处理器执行数据信号处理，包括模数转换处理，射频处理和基带处理中的至少一个，并且检测期望的信号，噪声和干扰中的至少一个。耦合到信号处理器的解调器根据噪声降低，干扰减少和信号补偿的至少一个处理功能将经处理的数据解调为处理数据。耦合到解调器的预检测模块在完成用于执行基于分组的错误检查序列的数据分组的检索之前通过预检测方法确定解调输入数据中是否发生了潜在错误，并且执行选择如果在解调的输入数据上发生潜在错误，则决定是否需要终止组件以及哪些组件需要终止。如果在解调输入数据上没有发生潜在错误，则耦合到解调器的基带模块在完成数据分组的检索时对数据分组执行基于分组的错误检查。

7. 发明申请

US20080144628A1 COMMUNICATION DEVICE AND METHOD 有权
标题翻译：通信设备和方法
公开(公告)号：US20080144628A1
公开(公告)日：2008-06-19
申请号：US11751076
申请日：2007-05-21
申请人： Shang-Ho Tsai , Shih-Chung Yin , Po-Yuen Cheng , Chung-Yen Huang
发明人： Shang-Ho Tsai , Shih-Chung Yin , Po-Yuen Cheng , Chung-Yen Huang
IPC分类号： H04L12/56
CPC分类号： H04L1/0054 , H04W28/18
摘要： A communication device and a method of processing input data. The communication device, processing input data constituting at least one of data packet comprises a detection unit, an Automatic Gain Controller (AGC), a signal processor, a demodulator, a pre-detection module, and a Baseband module. The detection unit receives the input data to perform the packet detection. The Automatic Gain Controller, coupled to the detection unit, generates an adjusted data and a gain control parameter once packet is detected. The signal processor, coupled to the AGC, performs the data signal processing includes at least one of analog to digital transformation processing, radio frequency processing and baseband processing, and detects at least one of the desired signal, noise and interference. The demodulator, coupled to the signal processor, demodulates the processed data into a processed data according to at least one processing function of noise reduction, interference reduction, and signal compensation. The pre-detection module, coupled to the demodulator, determines whether a potential error has occurred in the demodulated input data by a pre-detection method prior completing retrieval of the data packet for performing a packet-based error check sequence, and performs a selection to decide whether the components need to be terminated and which of the components need to be terminated if there is a potential error occurred on the demodulated input data. The Baseband module, coupled to the demodulator, performs a packet-based error check on the data packet upon completing retrieval of the data packet if there is no potential error occurred on the demodulated input data.
摘要翻译：通信设备和处理输入数据的方法。通信设备处理构成数据分组中的至少一个的输入数据包括检测单元，自动增益控制器（AGC），信号处理器，解调器，预检测模块和基带模块。检测单元接收输入数据以执行分组检测。一旦检测到包，耦合到检测单元的自动增益控制器产生经调整的数据和增益控制参数。耦合到AGC的信号处理器执行数据信号处理，包括模数转换处理，射频处理和基带处理中的至少一个，并且检测期望的信号，噪声和干扰中的至少一个。耦合到信号处理器的解调器根据噪声降低，干扰减少和信号补偿的至少一个处理功能将经处理的数据解调为处理数据。耦合到解调器的预检测模块在完成用于执行基于分组的错误检查序列的数据分组的检索之前通过预检测方法确定解调输入数据中是否发生了潜在错误，并且执行选择如果在解调的输入数据上发生潜在错误，则决定是否需要终止组件以及哪些组件需要终止。如果在解调输入数据上没有发生潜在错误，则耦合到解调器的基带模块在完成数据分组的检索时对数据分组执行基于分组的错误检查。

8. 发明授权

US06914942B2 Method and apparatus for selecting an optimal swapping technique in discrete multi-tone system 失效
标题翻译：用于在离散多音系统中选择最佳交换技术的方法和装置
公开(公告)号：US06914942B2
公开(公告)日：2005-07-05
申请号：US09849309
申请日：2001-05-07
申请人： Shang-Ho Tsai , Hsien-Chun Huang , Ching-Kae Tzou
发明人： Shang-Ho Tsai , Hsien-Chun Huang , Ching-Kae Tzou
IPC分类号： H04L27/26 , H04K1/10 , H04L27/28
CPC分类号： H04L27/2608
摘要： A method and an apparatus are provided in this invention to select an optimal swapping technique in discrete multi-tone system. The algorithm for performing gain-swapping is also proposed in the present invention. A swapping technique is selected from gain-swapping and a combination of bit-swapping and gain-swapping based on two index values such that the difference between the maximum mean square error (MSEmax) and the minimum mean square error (MSEmin) is minimized and the gain factor constraints are met. The first index value I is representative of range of improvement when adopting the gain-swapping as the swapping technique, and the second index value J is representative of range of improvement when adopting a combination of the gain-swapping and the bit-swapping as the swapping technique.
摘要翻译：本发明提供了一种在离散多音系统中选择最佳交换技术的方法和装置。用于执行增益交换的算法也在本发明中被提出。交换技术从增益交换和基于两个索引值的位交换和增益交换的组合中选择，使得最大均方误差（MSE 最大值）与最小均方误差平方误差（MSE分钟）最小化，并且满足增益因子约束。当采用增益交换作为交换技术时，第一指标值I表示改进的范围，并且当采用增益交换和位交换的组合时，第二指标值J表示改进的范围，作为交换技术

9. 发明申请

US20100166093A1 METHOD FOR ESTIMATING PHASE ERROR IN MIMO OFDM COMMUNICATIONS SYSTEM 失效
标题翻译： MIMO OFDM通信系统中估计相位误差的方法
公开(公告)号：US20100166093A1
公开(公告)日：2010-07-01
申请号：US12346886
申请日：2008-12-31
申请人： Shang-Ho Tsai , Hsiao-Lan Chiang , Hsuan-Yu Liu , Po-Yuen Cheng
发明人： Shang-Ho Tsai , Hsiao-Lan Chiang , Hsuan-Yu Liu , Po-Yuen Cheng
IPC分类号： H04L1/02
CPC分类号： H04L27/2657 , H04B7/0413 , H04L1/0606 , H04L1/0631 , H04L1/20 , H04L5/0023 , H04L25/0204 , H04L25/03159 , H04L27/2675 , H04L27/2695 , H04L2025/03414 , H04L2027/0067 , H04L2027/0087
摘要： A method for estimating a phase error existing in a receiver of a MIMO OFDM communications system is disclosed. The method includes executing Hermitian transpose on channel coefficient matrix of the MIMO OFDM communications system for generating Hermitian-transposed channel coefficient matrix, multiplying received signal matrix of the receiver with the Hermitian-transposed channel coefficient matrix for generating converted signals, summing products of the converted signals and complex conjugates of pilot signals corresponding to the converted signals for generating a sum result, and generating the phase error according to the sum result, the converted signals, and the complex conjugates of the pilot signals. The pilot signals are extracted from the received signal matrix.
摘要翻译：公开了一种用于估计存在于MIMO OFDM通信系统的接收机中的相位误差的方法。该方法包括对MIMO OFDM通信系统的信道系数矩阵执行Hermitian转置，以产生Hermitian转置信道系数矩阵，将接收机的接收信号矩阵与Hermitian转置信道系数矩阵相乘以产生转换信号，将转换后的乘积求和信号和与转换信号相对应的导频信号的复共轭，用于产生和结果，并根据求和结果，转换信号和导频信号的复共轭产生相位误差。从接收信号矩阵中提取导频信号。

10. 发明申请

US20080031386A1 Method and device for robust signal detection in wireless communications 审中-公开
标题翻译：无线通信中鲁棒信号检测的方法和装置
公开(公告)号：US20080031386A1
公开(公告)日：2008-02-07
申请号：US11498432
申请日：2006-08-02
申请人： Shang-Ho Tsai , Chung-Yen Huang , Shih-Chung Yin
发明人： Shang-Ho Tsai , Chung-Yen Huang , Shih-Chung Yin
IPC分类号： H04L27/06
CPC分类号： G01S7/021
摘要： A method, algorithm, architecture, circuits, and/or systems for robust radar signal detection for wireless communications are disclosed. In one embodiment, a method of detecting a predefined signal pulse event in a wireless network device can include the steps of: (i) comparing a power of a received signal pulse to a predetermined power threshold of a predefined signal; (ii) determining a duration of the received signal pulse when the power of the received signal pulse is greater than the predetermined power threshold; and (iii) indicating an occurrence of the predetermined signal pulse event when the duration of the received signal pulse is between first and second predetermined duration thresholds of the predefined signal. The predefined signal pulse event can be a radar signal pulse, for example. Embodiments of the present invention can advantageously provide a reliable and simplified approach for radar signal detection suitable for wireless network devices.
摘要翻译：公开了用于无线通信的鲁棒雷达信号检测的方法，算法，架构，电路和/或系统。在一个实施例中，在无线网络设备中检测预定信号脉冲事件的方法可以包括以下步骤：（i）将接收到的信号脉冲的功率与预定信号的预定功率阈值进行比较; （ii）当接收信号脉冲的功率大于预定功率阈值时确定接收信号脉冲的持续时间; 以及（iii）当所述接收信号脉冲的持续时间在所述预定信号的第一和第二预定持续时间阈值之间时，指示所述预定信号脉冲事件的发生。例如，预定信号脉冲事件可以是雷达信号脉冲。本发明的实施例可以有利地提供适用于无线网络设备的雷达信号检测的可靠和简化的方法。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式