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1. 发明授权

US08374074B2 Phase rotation method for reducing PAPR 有权
标题翻译：减少PAPR的相位旋转方法
公开(公告)号：US08374074B2
公开(公告)日：2013-02-12
申请号：US12941964
申请日：2010-11-08
申请人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
发明人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
IPC分类号： H04J11/00
CPC分类号： H04L27/2621
摘要： A method of reducing a signal peak to average power ratio (PAPR) for a transmission channel in a wireless communication system is disclosed. The transmission channel is divided into a plurality of channel segments, and the method includes calculating PAPRs corresponding to the plurality of channel segments by a plurality of phase rotation vectors; selecting a plurality of specified phase rotation vectors from the plurality of phase rotation vectors according to the calculated PAPRs; and using one of the plurality of specified phase rotation vectors to rotate a phase of a signal to be transmitted.
摘要翻译：公开了一种降低无线通信系统中的传输信道的信号峰均功率比（PAPR）的方法。传输信道被划分为多个信道段，并且该方法包括通过多个相位旋转矢量来计算与多个信道段相对应的PAPR; 根据所计算的PAPR从多个相位旋转矢量中选择多个规定的相位旋转矢量; 以及使用所述多个指定相位旋转矢量中的一个旋转要发送的信号的相位。

2. 发明授权

US08254479B2 Method of detecting transmission channel and related wireless communication system 有权
标题翻译：检测传输通道及相关无线通信系统的方法
公开(公告)号：US08254479B2
公开(公告)日：2012-08-28
申请号：US12501486
申请日：2009-07-12
申请人： Yung-Szu Tu , Jiunn-Tsair Chen , Yen-Chin Liao , Cheng-Hsuan Wu
发明人： Yung-Szu Tu , Jiunn-Tsair Chen , Yen-Chin Liao , Cheng-Hsuan Wu
IPC分类号： H04L17/28 , H04L27/00
CPC分类号： H04L25/0212 , H04L25/022 , H04L25/0222 , H04L25/0224
摘要： A method and related system of transmission channel detection condition in a wireless communication system are disclosed. The method includes receiving a symbol, performing a channel estimation operation to generate a channel estimation result according to the symbol, performing a cross correlation operation on the channel estimation result and an initial channel estimation result to generate an operation result, and determining whether the condition of the transmission channel have changed or not.
摘要翻译：公开了一种在无线通信系统中的传输信道检测条件的方法和相关系统。该方法包括接收符号，执行信道估计操作以根据符号生成信道估计结果，对信道估计结果执行互相关操作和初始信道估计结果以产生操作结果，以及确定条件的传输通道已经改变了。

3. 发明申请

US20110176627A1 Multi-user Transmission Method, Multiple Input Multiple Output Transmission System Using the Same, Scheduling Method and Access Point Using the Same 失效
标题翻译：多用户传输方法，使用相同的多输入多输出传输系统，调度方法和使用它的接入点
公开(公告)号：US20110176627A1
公开(公告)日：2011-07-21
申请号：US12968291
申请日：2010-12-15
申请人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
发明人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
IPC分类号： H04L27/28
CPC分类号： H04W28/04 , H04B7/0452 , H04L1/1877 , H04L2001/0093 , H04W72/12 , H04W88/08
摘要： The present invention discloses a multi-user (MU) transmission method for a multiple input multiple output (MIMO) transmission system comprising a first station and a plurality of second stations. The MU transmission method includes the step of the first station performing simultaneous transmission to a first group of stations of the plurality of second stations in a first transmission interval.
摘要翻译：本发明公开了一种用于多输入多输出（MIMO）传输系统的多用户（MU）传输方法，包括第一站和多个第二站。 MU传输方法包括第一站在第一传输间隔中同步发送到多个第二站的第一组站的步骤。

4. 发明申请

US20110222458A1 Multi-user Downlink and Uplink Transmission Method and Communication System Using the Same 审中-公开
标题翻译：多用户下行链路和上行链路传输方法和通信系统
公开(公告)号：US20110222458A1
公开(公告)日：2011-09-15
申请号：US13034712
申请日：2011-02-25
申请人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
发明人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
IPC分类号： H04W72/12
CPC分类号： H04W72/121
摘要： The present invention discloses a multi-user (MU) downlink and downlink transmission method for a communication system. The communication system includes an access point (AP) and a plurality of stations. The MU transmission method includes steps of the AP deciding a first group of stations in a first scheduling period based on a channel condition, and the AP and the first group of stations performing simultaneously transmission during a MU media access control period.
摘要翻译：本发明公开了一种用于通信系统的多用户（MU）下行链路和下行链路传输方法。通信系统包括接入点（AP）和多个站。 MU传输方法包括基于信道条件在第一调度周期中决定第一组站的步骤，以及在MU媒体访问控制周期期间同时进行传输的AP和第一组站。

5. 发明申请

US20110013722A1 Method for Generating Training Sequences and Transmitter Using the Same 审中-公开
标题翻译：生成训练序列的方法和使用它的发射机
公开(公告)号：US20110013722A1
公开(公告)日：2011-01-20
申请号：US12836590
申请日：2010-07-15
申请人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
发明人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
IPC分类号： H04L27/00
CPC分类号： H04L27/2613 , H04L25/0224 , H04L2025/03426
摘要： A method for generating training sequences in a transmitter having a plurality of transmitting antennas, includes dividing each of a plurality of symbols into a plurality of sub-symbols with a quantity equal to a quantity of the plurality of transmitting antennas, sequentially transforming a plurality of sub-symbols corresponding to same positions in each of the plurality of symbols, to generate a plurality of training data, and generating a plurality of training sequences of independent frequencies according to the plurality of training data, for forming parts of packets emitted by the plurality of transmitting antennas.
摘要翻译：一种用于在具有多个发射天线的发射机中产生训练序列的方法，包括将多个符号中的每一个划分成多个子符号，其数量等于所述多个发射天线的数量，对应于多个符号中的每一个中的相同位置的子符号，以产生多个训练数据，并且根据多个训练数据生成独立频率的多个训练序列，以形成由多个训练数据发射的分组的部分的发射天线。

6. 发明授权

US08498245B2 Method of arranging packets in a wireless communication system and related device 有权
标题翻译：在无线通信系统和相关设备中安排分组的方法
公开(公告)号：US08498245B2
公开(公告)日：2013-07-30
申请号：US12979382
申请日：2010-12-28
申请人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
发明人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
IPC分类号： H04W40/00
CPC分类号： H04W28/06 , H04W84/12
摘要： A method of arranging a packet in a wireless communication system includes a preamble sequence and a data sequence. The preamble sequence includes a legacy training field (L-TF), a legacy signal field (L-SIG), a very high throughput signal field (VHT-SIG), a very high throughput short training field (VHT-STF) and at least one very high throughput long training field (VHT-LTF). The method includes generating a first VHT-SIG field and a second VHT-SIG field according to the VHT-SIG field; and arranging the L-TF field, the L-SIG field, the first VHT-SIG field, the VHT-STF field, one of the at least one VHT-LTF fields, the second VHT-SIG field and the rest of the at least one VHT-LTF fields in a predetermined sequence.
摘要翻译：在无线通信系统中配置分组的方法包括前同步码序列和数据序列。前导码序列包括遗留训练场（L-TF），遗留信号场（L-SIG），超高吞吐量信号场（VHT-SIG），非常高吞吐量的短训练场（VHT-STF）至少一个非常高的吞吐量长训练场（VHT-LTF）。该方法包括根据VHT-SIG字段产生第一VHT-SIG字段和第二VHT-SIG字段; 并且将L-TF场，L-SIG场，第一VHT-SIG场，VHT-STF场，至少一个VHT-LTF场中的一个，第二VHT-SIG场和其余的至少一个VHT-LTF场以预定的顺序。

7. 发明授权

US08488539B2 Method of generating preamble sequence 有权
标题翻译：产生前导序列的方法
公开(公告)号：US08488539B2
公开(公告)日：2013-07-16
申请号：US12835731
申请日：2010-07-13
申请人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
发明人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
IPC分类号： H04W4/00
CPC分类号： H04L27/2621
摘要： A method of generating preamble sequence is disclosed. A channel used by a wireless device may be divided into four sub-channels, and the method includes forming a preamble sequence of a first sub-channel, making three replicas of the preamble sequence of the first sub-channel, each replica with a phase rotation of a first angle, a second angle, and a third angle respectively, for forming each preamble sequence of a second sub-channel, a third sub-channel, and a fourth sub-channel, and arranging the preamble sequences of the first, the second, the third, and the fourth sub-channels to form a preamble sequence of the channel.
摘要翻译：公开了一种产生前导序列的方法。无线设备使用的信道可以被划分为四个子信道，并且该方法包括：形成第一子信道的前同步码序列，使得第一子信道的前同步码序列的三个副本，每个副本具有相位分别用于形成第二子信道，第三子信道和第四子信道的每个前同步码序列的第一角度，第二角度和第三角度的旋转，并且将第一，第二，第三和第四子信道，以形成信道的前导序列。

8. 发明申请

US20110280232A1 Method of Arranging Packets in a Wireless communication System And Related Device 有权
标题翻译：无线通信系统及相关设备中的报文排列方法
公开(公告)号：US20110280232A1
公开(公告)日：2011-11-17
申请号：US12979382
申请日：2010-12-28
申请人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
发明人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
IPC分类号： H04W84/02
CPC分类号： H04W28/06 , H04W84/12
摘要： A method of arranging a packet in a wireless communication system includes a preamble sequence and a data sequence. The preamble sequence includes a legacy training field (L-TF), a legacy signal field (L-SIG), a very high throughput signal field (VHT-SIG), a very high throughput short training field (VHT-STF) and at least one very high throughput long training field (VHT-LTF). The method includes generating a first VHT-SIG field and a second VHT-SIG field according to the VHT-SIG field; and arranging the L-TF field, the L-SIG field, the first VHT-SIG field, the VHT-STF field, one of the at least one VHT-LTF fields, the second VHT-SIG field and the rest of the at least one VHT-LTF fields in a predetermined sequence.
摘要翻译：在无线通信系统中配置分组的方法包括前同步码序列和数据序列。前导码序列包括遗留训练场（L-TF），遗留信号场（L-SIG），超高吞吐量信号场（VHT-SIG），非常高吞吐量的短训练场（VHT-STF）至少一个非常高的吞吐量长训练场（VHT-LTF）。该方法包括根据VHT-SIG字段产生第一VHT-SIG字段和第二VHT-SIG字段; 并且将L-TF场，L-SIG场，第一VHT-SIG场，VHT-STF场，至少一个VHT-LTF场中的一个，第二VHT-SIG场和其余的至少一个VHT-LTF场以预定的顺序。

9. 发明申请

US20110013575A1 METHOD OF GENERATING PREAMBLE SEQUENCE FOR WIRELESS LOCAL AREA NETWORK SYSTEM AND DEVICE THEREOF 审中-公开
标题翻译：为无线局域网系统生成前缀序列的方法及其设备
公开(公告)号：US20110013575A1
公开(公告)日：2011-01-20
申请号：US12835752
申请日：2010-07-14
申请人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
发明人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
IPC分类号： H04W8/00 , H04L29/02
CPC分类号： H04L27/2607 , H04B1/00 , H04L5/0023 , H04L5/0051 , H04L25/0226 , H04L27/2621
摘要： A method of generating a preamble sequence includes generating a first frequency-domain preamble sequence according to information of the packet, the first frequency-domain preamble sequence comprising a plurality of subsequences corresponding to a plurality of sub-channels, adjusting a phase of each subsequence of the first frequency-domain preamble sequence, for generating a second frequency-domain preamble sequence, transforming the second frequency-domain preamble sequence into a first time-domain preamble sequence, performing a cyclic shift delaying process on the first time-domain preamble sequence, for generating a plurality of delayed time-domain preamble sequences, and normalizing power of the plurality of delayed time-domain preamble sequences, for generating a second time-domain preamble sequence that is a preamble sequence of the packet.
摘要翻译：一种产生前置码序列的方法包括根据分组的信息产生第一频域前同步码序列，第一频域前导序列包括对应于多个子信道的多个子序列，调整每个子序列的相位用于产生第二频域前导码序列，将第二频域前导码序列变换为第一时域前导码序列，对第一时域前导序列执行循环移位延迟处理，用于产生多个延迟的时域前导序列，以及归一化多个延迟的时域前导码序列的功率，用于产生作为分组的前导序列的第二时域前导序列。

10. 发明申请

US20110013532A1 Method for Wireless Communication System and Device Using the Same 有权
标题翻译：无线通信系统及其使用方法
公开(公告)号：US20110013532A1
公开(公告)日：2011-01-20
申请号：US12834876
申请日：2010-07-12
申请人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
发明人： Cheng-Hsuan Wu , Yen-Chin Liao , Yung-Szu Tu
IPC分类号： H04L12/26 , H04W84/02
CPC分类号： H04L25/0226 , H04L5/0023 , H04L5/005
摘要： A method, for determining a first amount of a plurality of high-throughput long training fields within a packet in a wireless communication system, includes determining a second amount of a plurality of space time streams needed by the wireless communication system transmitting the packet, and setting the first amount to be greater than or equal to 8 when the second amount is greater than 4.
摘要翻译：一种用于确定无线通信系统中的分组内的多个高吞吐量长训练场的第一量的方法，包括确定由所述无线通信系统发送所述分组所需的多个空时时间流的第二量，以及当第二量大于4时，将第一量设置为大于或等于8。

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