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21. 发明授权

US08532012B2 Methods and devices for scalable reception in wireless communication systems 有权
标题翻译：用于无线通信系统中可扩展接收的方法和设备
公开(公告)号：US08532012B2
公开(公告)日：2013-09-10
申请号：US12325540
申请日：2008-12-01
申请人： Chun-Yen Wang , Chang-Lung Hsiao , Tzu-Ming Lin
发明人： Chun-Yen Wang , Chang-Lung Hsiao , Tzu-Ming Lin
IPC分类号： H04H20/71
CPC分类号： H04L1/0003 , H04L1/0026 , H04L1/0068 , H04L1/0071 , H04L1/1819 , H04L2001/0093
摘要： Methods and apparatuses for reception of point-to-multipoint (PTM) transmissions in a wireless communication system including a set of receiving devices. The method includes receiving location information respectively associated with each of a plurality of PTM data versions, and retrieving the plurality of PTM data versions using the location information. The method also includes combining the retrieved plurality of PTM data versions to generate a combined PTM data version, and decoding the combined PTM data version.
摘要翻译：在包括一组接收装置的无线通信系统中接收点对多点（PTM）传输的方法和装置。该方法包括接收分别与多个PTM数据版本中的每一个相关联的位置信息，以及使用位置信息检索多个PTM数据版本。该方法还包括组合检索的多个PTM数据版本以生成组合的PTM数据版本，以及对组合的PTM数据版本进行解码。

22. 发明申请

US20130003797A1 UNIVERSAL MODEM SYSTEM AND THE MANUFACTURING METHOD THEREOF 审中-公开
标题翻译：通用调制解调器系统及其制造方法
公开(公告)号：US20130003797A1
公开(公告)日：2013-01-03
申请号：US13494355
申请日：2012-06-12
申请人： Chia-Pin CHEN , Tai-Yuan Cheng , Chang-Lung Hsiao , Ren-Jr Chen
发明人： Chia-Pin CHEN , Tai-Yuan Cheng , Chang-Lung Hsiao , Ren-Jr Chen
IPC分类号： H04B1/38
CPC分类号： G06F15/167
摘要： According to one exemplary embodiment of a universal modem system, multiple digital signal processors (DSPs) are configured to perform at least one streaming-based task, or at least one block-based task, or both of the tasks. At least one concatenate memory is configured to store data for the at least one streaming-based task At least one concatenate bus connects at least one concatenate memory and the plurality of DSPs serially for performing the at least one streaming-based task. At least one concatenate memory is configured to store the data for the at least one streaming-based task. At least one public bus connects the plurality of DSPs and the at least one shared memory for performing the at least one block-based tasks.
摘要翻译：根据通用调制解调器系统的一个示例性实施例，多个数字信号处理器（DSP）被配置为执行至少一个基于流的任务，或至少一个基于块的任务，或两个任务。至少一个级联存储器被配置为存储用于至少一个基于流的任务的数据。至少一个级联总线连接至少一个连接存储器和多个DSP，用于执行至少一个基于流的任务。至少一个级联存储器被配置为存储用于至少一个基于流的任务的数据。至少一个公共总线连接多个DSP和至少一个共享存储器，用于执行至少一个基于块的任务。

23. 发明授权

US07974358B2 Orthogonal frequency division multiplexing (OFDM) encoding and decoding methods and systems 有权
标题翻译：正交频分复用（OFDM）编解码方法和系统
公开(公告)号：US07974358B2
公开(公告)日：2011-07-05
申请号：US11586654
申请日：2006-10-26
申请人： Chang-Lan Tsai , Chang-Lung Hsiao , Ren-Jr Chen , Char-Dir Chung
发明人： Chang-Lan Tsai , Chang-Lung Hsiao , Ren-Jr Chen , Char-Dir Chung
IPC分类号： H04L5/12
CPC分类号： H04L27/2626 , H04L25/067 , H04L27/2647
摘要： An orthogonal frequency division multiplexing (OFDM) system provided for communication includes an OFDM transmitter and an OFDM receiver. The OFDM transmitter may be configured to transmit OFDM signals through a communication channel and may include a channel encoder configured to encode a plurality of information bits and an interleaver configured to interleave the channel-encoded information bits. The OFDM transmitter may also include a mapper configured to map the interleaved channel-encoded information bits into mapped multi-level symbols. The OFDM transmitter may also include a dispersive encoder that is configured to dispersively encode the mapped symbols. The OFDM receiver may be configured to receive the transmitted OFDM signals and to decode the received OFDM signals iteratively based on soft decision methods.
摘要翻译：为通信提供的正交频分复用（OFDM）系统包括OFDM发射机和OFDM接收机。 OFDM发送器可以被配置为通过通信信道发送OFDM信号，并且可以包括被配置为对多个信息比特进行编码的信道编码器和被配置为交织信道编码的信息比特的交织器。 OFDM发射机还可以包括配置成将交织的信道编码信息比特映射到映射的多级符号中的映射器。 OFDM发射机还可以包括被配置为对映射的符号进行分散编码的色散编码器。 OFDM接收机可以被配置为接收所发射的OFDM信号并且基于软判决方法迭代地解码所接收的OFDM信号。

24. 发明申请

US20100002786A1 SIGNAL DETECTING METHOD AND RECEIVER USING THE SAME 有权
标题翻译：信号检测方法和接收器
公开(公告)号：US20100002786A1
公开(公告)日：2010-01-07
申请号：US12326161
申请日：2008-12-02
申请人： Chih-Cheng Kuo , Chang-Lung Hsiao , Wern-Ho Sheen
发明人： Chih-Cheng Kuo , Chang-Lung Hsiao , Wern-Ho Sheen
IPC分类号： H04L1/02 , H04L27/28
CPC分类号： H04L25/0204 , H04L5/0021 , H04L25/0246
摘要： A signal detecting method and a receiver using the same are provided. The method includes the following steps. A receiving signal vector y is received through a number of channels, wherein the receiving signal vector y corresponds to a transmitting signal vector x transmitted by at least one of the channels. A channel matrix H is determined, wherein the channel matrix H represents at least one of the channels. A factorization matrix D is chosen, wherein D is invertible to make the channel matrix H expressed as H={tilde over (H)}D, and {tilde over (H)} is a corresponding channel matrix. The factorization matrix D is determined to make an expected value of the signal estimate error become smaller. The receiving signal vector y is detected to estimate the transmitting signal vector x according to the corresponding channel matrix {tilde over (H)} and the factorization matrix D.
摘要翻译：提供了一种信号检测方法和使用该信号检测方法的接收机。该方法包括以下步骤。通过多个信道接收接收信号矢量y，其中接收信号矢量y对应于由至少一个信道发送的发射信号矢量x。确定信道矩阵H，其中信道矩阵H表示至少一个信道。选择因式分解矩阵D，其中D是可逆的，以使得信道矩阵H表示为H = {t（t），（H）} D，并且（H）}上的波形为相应的信道矩阵。因子分解矩阵D被确定为使得信号估计误差的期望值变小。检测接收信号矢量y，以根据相应的信道矩阵（（H）}和分解矩阵D中的波形符号来估计发送信号向量x。

25. 发明授权

US07586835B2 Apparatus for generating 2D spreading code and method for the same 有权
标题翻译：用于生成2D扩展码的装置及其方法
公开(公告)号：US07586835B2
公开(公告)日：2009-09-08
申请号：US10995466
申请日：2004-11-24
申请人： Shih-Kai Lee , Po-Lin Chiu , Chang-Lung Hsiao , Jiann-An Tsai
发明人： Shih-Kai Lee , Po-Lin Chiu , Chang-Lung Hsiao , Jiann-An Tsai
IPC分类号： G04B5/24
CPC分类号： H04J13/12 , H04J13/0044
摘要： An apparatus for generating a 2D spreading code and method for the same are proposed. The apparatus for generating the 2D spreading code includes a column counter, a row counter, a codeword selector, and a logic unit. The logic unit performs logic operations on the output of the column counter, the row counter, and the codeword selector to generate the 2D spreading code of desired order designated by the codeword selector. The 2D spreading code includes 4 2×2 initial matrixes for generating 4i codes for 4i users in the ith order. The apparatus for generating the 2D spreading code according to the present invention is advantageously used in OFDM system to increase the number of subscribers with reduced interference.
摘要翻译：提出了一种用于生成2D扩展码的装置及其方法。用于生成2D扩展码的装置包括列计数器，行计数器，码字选择器和逻辑单元。逻辑单元对列计数器，行计数器和码字选择器的输出执行逻辑运算，以生成由码字选择器指定的期望顺序的2D扩展码。 2D扩展码包括4个2x2初始矩阵，用于以第i个顺序为4i个用户生成4i码。根据本发明的用于生成2D扩展码的装置在OFDM系统中有利地用于增加具有减小的干扰的用户数量。

26. 发明申请

US20090147720A1 METHODS AND DEVICES FOR SCALABLE RECEPTION IN WIRELESS COMMUNICATION SYSTEMS 有权
标题翻译：无线通信系统中可扩展接收的方法和设备
公开(公告)号：US20090147720A1
公开(公告)日：2009-06-11
申请号：US12325540
申请日：2008-12-01
申请人： Chun-Yen Wang , Chang-Lung Hsiao , Tzu-Ming Lin
发明人： Chun-Yen Wang , Chang-Lung Hsiao , Tzu-Ming Lin
IPC分类号： H04H20/71
CPC分类号： H04L1/0003 , H04L1/0026 , H04L1/0068 , H04L1/0071 , H04L1/1819 , H04L2001/0093
摘要： Methods and apparatuses for reception of point-to-multipoint (PTM) transmissions in a wireless communication system including a set of receiving devices. The method includes receiving location information respectively associated with each of a plurality of PTM data versions, and retrieving the plurality of PTM data versions using the location information. The method also includes combining the retrieved plurality of PTM data versions to generate a combined PTM data version, and decoding the combined PTM data version.
摘要翻译：在包括一组接收装置的无线通信系统中接收点对多点（PTM）传输的方法和装置。该方法包括接收分别与多个PTM数据版本中的每一个相关联的位置信息，以及使用位置信息检索多个PTM数据版本。该方法还包括组合检索的多个PTM数据版本以生成组合的PTM数据版本，以及对组合的PTM数据版本进行解码。

27. 发明申请

US20090067543A1 Method and Apparatus for Multi-Rate Control in a Multi-Channel Communication System 有权
标题翻译：多通道通信系统中多速率控制的方法与装置
公开(公告)号：US20090067543A1
公开(公告)日：2009-03-12
申请号：US12177070
申请日：2008-07-21
申请人： Chang-Lung HSIAO , Ren-Jr CHEN , Chung-Lien HO , Chien-Min LEE , Wern-Ho SHEEN
发明人： Chang-Lung HSIAO , Ren-Jr CHEN , Chung-Lien HO , Chien-Min LEE , Wern-Ho SHEEN
IPC分类号： H04L27/36 , H04L27/00
CPC分类号： H04L1/0013 , H04B7/0617 , H04L1/0067 , H04L1/0071 , H04L1/06
摘要： An apparatus for data processing in a multi-channel communication system is provided. The apparatus includes an encoder configured to encode a number of bits for transmission via channels in the multi-channel communication system into coded bits and split the coded bits into a number of first sets of bits at a first ratio, a number of first rate units coupled to the encoder, each of the first rate units being configured to adjust one set of the first sets of bits in size at at least one rate, and a controller configured to assign the first ratio to the encoder and the at least one rate to each of the first rate units based on conditions of the channels.
摘要翻译：提供了一种用于多通道通信系统中的数据处理的装置。该装置包括：编码器，被配置为对多个比特进行编码，以便经由多信道通信系统中的信道传输成编码比特，并将编码比特以第一比率分成多个第一组比特，第一比率单元耦合到所述编码器，所述第一速率单元中的每一个被配置为以至少一个速率来调整大小的一组所述第一组位，以及控制器，被配置为将所述第一比率分配给所述编码器，并且所述至少一个速率每个第一费率单位根据渠道的条件。

28. 发明申请

US20090016371A1 METHOD FOR CONSTRUCTING FRAME STRUCTURES 有权
标题翻译：构造框架结构的方法
公开(公告)号：US20090016371A1
公开(公告)日：2009-01-15
申请号：US12168855
申请日：2008-07-07
申请人： Yan-Xiu ZHENG , Ren-Jr CHEN , Chang-Lung HSIAO , Pang-An TING
发明人： Yan-Xiu ZHENG , Ren-Jr CHEN , Chang-Lung HSIAO , Pang-An TING
IPC分类号： H04L29/02
CPC分类号： H04L27/2602 , H04L5/0007 , H04L5/0044 , H04L5/0048
摘要： A method of constructing a frame structure for data transmission, the method comprising generating a first section comprising data configured in a first format compatible with a first communication system, generating a second section following the first section, the second section comprising data configured in a second format compatible with a second communication system, wherein the second format is different from the first format, generating at least one non-data section containing information describing an aspect of data in at least one of the first section and the second section, and combining the first section, the second section and the at least one non-data section to form the frame structure.
摘要翻译：一种构建用于数据传输的帧结构的方法，所述方法包括生成包括以与第一通信系统兼容的第一格式配置的数据的第一部分，生成跟随第一部分的第二部分，第二部分包括在第二部分中配置的数据格式与第二通信系统兼容，其中第二格式不同于第一格式，生成至少一个非数据部分，其包含描述第一部分和第二部分中的至少一个中的数据方面的信息，并且将第一部分，第二部分和至少一个非数据部分以形成框架结构。

29. 发明申请

US20050180461A1 Method of equalization in an OFDM system 有权
标题翻译： OFDM系统中的均衡方法
公开(公告)号：US20050180461A1
公开(公告)日：2005-08-18
申请号：US10778087
申请日：2004-02-17
申请人： Yung-An Kao , Chang-Lung Hsiao , Po-Lin Chiu , Shih-Kai Lee
发明人： Yung-An Kao , Chang-Lung Hsiao , Po-Lin Chiu , Shih-Kai Lee
IPC分类号： H04J11/00 , H04L25/03
CPC分类号： H04L25/03159 , H04L2025/03414 , H04L2025/03522
摘要： An equalization method suitable for use in a receiver in an orthogonal frequency division multiplexing (OFDM) system utilizing a plurality of sub-carriers. The receiver includes an outer receiver for decoding. The equalization method includes receiving an input signal including at least one preamble symbol containing a training sequence and a plurality of informative OFDM symbols each containing a serial stream of samples, and performing compensations for each of the informative OFDM symbols. Compensation for each of the informative OFDM symbols includes converting the serial stream of samples into parallel samples, performing a fast Fourier transform (FFT) of the parallel samples to obtain a plurality of data symbols, each data symbol corresponding to a sub-carrier, compensating the data symbols for at least one first phase distortion and at least one second phase distortion, and providing at least one amplitude distortion factor to the outer receiver.
摘要翻译：一种适用于使用多个子载波的正交频分复用（OFDM）系统中的接收机中的均衡方法。接收机包括用于解码的外部接收机。所述均衡方法包括：接收包括包含训练序列的至少一个前导码符号的输入信号和包含串行串流样本的多个信息OFDM符号，以及对每个信息OFDM符号执行补偿。每个信息OFDM符号的补偿包括将样本的串行流转换为并行采样，执行并行采样的快速傅里叶变换（FFT）以获得多个数据符号，每个数据符号对应于子载波，补偿所述数据符号用于至少一个第一相位失真和至少一个第二相位失真，并且向所述外部接收器提供至少一个幅度失真因子。

30. 发明申请

US20050111424A1 Apparatus of transmitter and receiver for MIMO MC-CDMA system 有权
标题翻译： MIMO MC-CDMA系统的发射机和接收机装置
公开(公告)号：US20050111424A1
公开(公告)日：2005-05-26
申请号：US10868804
申请日：2004-06-17
申请人： Jiann-An Tsai , Shih-Kai Lee , Chang-Lung Hsiao
发明人： Jiann-An Tsai , Shih-Kai Lee , Chang-Lung Hsiao
IPC分类号： H04B1/69 , H04B7/06 , H04B7/08 , H04B7/216 , H04L5/02 , H04L27/26
CPC分类号： H04L5/0026 , H04B7/0669 , H04B7/0671 , H04B7/0837 , H04L27/2602 , H04L27/2607 , H04L27/2647
摘要： The invention relates to an apparatus of transmitter and receiver for MIMO MC-CDMA systems. At the transmitter, modified orthogonal transmit diversity (MOTD) encoders are used for increasing space and time transmission diversity. A P-way combiner is used to connect the MOTD encoders and P multi-carrier modulators. Each modulator is connected to a set of antennas. At the receiver, each multi-carrier demodulator has an amplitude/phase compensator to compensate distortion at every sub-carrier. Similarly, a combiner is used to connect the demodulators and the MOTD decoders. Upon the invention, the space, time, and frequency diversity can be explored.
摘要翻译：本发明涉及用于MIMO MC-CDMA系统的发射机和接收机的装置。在发射机处，使用修正的正交发射分集（MOTD）编码器来增加空间和时间的传输分集。 P路组合器用于连接MOTD编码器和P多载波调制器。每个调制器连接到一组天线。在接收机处，每个多载波解调器具有幅度/相位补偿器，用于补偿每个子载波的失真。类似地，组合器用于连接解调器和MOTD解码器。根据本发明，可以探索空间，时间和频率多样性。

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