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31. 发明申请

US20080085681A1 METHOD AND DEVICE FOR TRANSMITTING SIGNALS IN A WIRELESS COMMUNICATION SYSTEM, RECEIVING DEVICE FOR RECEIVING SIGNALS IN A WIRELESS COMMUNICATION SYSTEM, WITH A SPECIAL FRAME STRUCTURE 有权
标题翻译：用于在无线通信系统中发送信号的方法和设备，用于在无线通信系统中接收信号的接收设备，具有特殊的帧结构
公开(公告)号：US20080085681A1
公开(公告)日：2008-04-10
申请号：US11853403
申请日：2007-09-11
申请人： Zhaocheng WANG , Masahiro UNO , Volker WULLICH
发明人： Zhaocheng WANG , Masahiro UNO , Volker WULLICH
IPC分类号： H04B7/005
CPC分类号： H04B7/0695 , H04B7/0408 , H04B7/0811 , H04B7/088 , H04W72/046
摘要： The present invention relates to a method for transmitting signals in a wireless communication system, in which signals are transmitted from a first communication device to a second communication device, said signals being transmitted in consecutive frames, each frame having a preamble section comprising preamble information, at least one of said first and said second communication devices having a narrow beam antenna which is adapted to be steered to different positions, each of said different positions corresponding to one of a number of different transmission paths from said first to said second communication device, comprising the steps of transmitting and receiving a first preamble section comprising preamble information enabling the estimation of a channel quality of a current transmission path, while said narrow beam antenna is in a current position corresponding to said current transmission path, steering said narrow beam antenna from said current position to a different position corresponding to a candidate transmission path, and transmitting and receiving a second preamble section comprising preamble information enabling the estimation of a channel quality of said candidate transmission path while said narrow beam antenna is in said different position. The present invention further relates to a corresponding transmission device as well as a receiving device.
摘要翻译：本发明涉及一种用于在无线通信系统中发送信号的方法，其中信号从第一通信设备发送到第二通信设备，所述信号以连续帧发送，每帧具有包括前同步码信息的前导码部分，所述第一通信设备和所述第二通信设备中的至少一个具有窄波束天线，其适于被转向不同的位置，所述不同位置中的每一个对应于从所述第一通信设备到所述第二通信设备的多个不同传输路径中的一个，包括以下步骤：发送和接收包括能够估计当前传输路径的信道质量的前导信息的第一前导码部分，同时所述窄波束天线处于对应于所述当前传输路径的当前位置，将所述窄波束天线从表示目前的职位不同并且发送和接收包括前导信息的第二前导码部分，所述前导码信息能够在所述窄波束天线处于所述不同位置时估计所述候选传输路径的信道质量。本发明还涉及相应的传输设备以及接收设备。

32. 发明申请

US20080084350A1 TRANSMITTING DEVICE, RECEIVING DEVICE AND METHOD FOR ESTABLISHING A WIRELESS COMMUNICATION LINK 有权
标题翻译：发送设备，接收设备和建立无线通信链路的方法
公开(公告)号：US20080084350A1
公开(公告)日：2008-04-10
申请号：US11865366
申请日：2007-10-01
申请人： Masahiro UNO , Zhaocheng WANG
发明人： Masahiro UNO , Zhaocheng WANG
IPC分类号： H04L12/56 , H01Q1/00
CPC分类号： H04W16/28 , H04W72/08 , H04W76/10 , H04W84/18
摘要： The present invention comprises a method for establishing a wireless communication link between a first communication device (1) having a narrow beam antenna (2) adapted to be steered to different positions and a second communication device (10), comprising the steps of transmitting a link request signal from said first communication device (1) to said second communication device (10) via said narrow beam antenna, wherein said link request signal comprises information relating to a Current position of the narrow beam antenna, and obtaining, in case said link request signal is received in said second communication device (10), channel quality information representative of a current transmission path. The invention further comprises a transmitting device and a receiving device for executing, said method.
摘要翻译：本发明包括一种用于在具有适于被转向不同位置的窄波束天线（2）的第一通信设备（1）和第二通信设备（10）之间建立无线通信链路的方法，包括以下步骤：经由所述窄波束天线从所述第一通信设备（1）到所述第二通信设备（10）的链路请求信号，其中所述链路请求信号包括与所述窄波束天线的当前位置有关的信息，并且在所述链路在所述第二通信设备（10）中接收到表示当前传输路径的信道质量信息的请求信号。本发明还包括用于执行所述方法的发送装置和接收装置。

33. 发明申请

US20060120272A1 Pilot pattern design for an OFDM system 有权
标题翻译： OFDM系统的导频模式设计
公开(公告)号：US20060120272A1
公开(公告)日：2006-06-08
申请号：US11338644
申请日：2006-01-25
申请人： Zhaocheng Wang , Richard Stirling-Gallacher
发明人： Zhaocheng Wang , Richard Stirling-Gallacher
IPC分类号： H04J11/00 , H04J1/00
CPC分类号： H04L27/2613 , H04B7/0669 , H04L1/0618 , H04L1/0625 , H04L1/0668 , H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L25/0226 , H04L27/2601 , H04L27/2626
摘要： A transmitting device for transmitting data symbols and pilot symbols in an OFDM transmission system; the device comprising symbol generating means for generating said data symbols and said pilot symbols, means for transmitting said data symbols and pilot symbols respectively by using a plurality of subcarriers of said OFDM transmission system, wherein said symbol generating means is designed to selectively generate a first type pilot symbol and a second type pilot symbol being orthogonal to said first type pilot symbol so that a pilot symbol pattern in the frequency dimension comprises at least said first type pilot symbol to be transmitted by using a predefined subcarrier and second type pilot symbol to be transmitted by using other predefined subcarrier, and wherein said pilot symbol pattern has a different pattern from a succeeding pilot symbol pattern in time dimension.
摘要翻译：一种发送装置，用于在OFDM传输系统中发送数据符号和导频符号; 所述装置包括用于产生所述数据符号和所述导频符号的符号产生装置，用于分别通过使用所述OFDM传输系统的多个子载波来发送所述数据符号和导频符号的装置，其中所述符号产生装置被设计成选择性地产生第一类型导频符号和与所述第一类型导频符号正交的第二类型导频符号，使得频率维度中的导频符号模式至少包括要通过使用预定义子载波和第二类型导频符号来发送的所述第一类型导频符号通过使用其它预定义的子载波来发送，并且其中所述导频符号模式具有与时间维度中的后续导频符号模式不同的模式。

34. 发明授权

US06917580B2 Frequency reuse scheme for OFDM system 有权
标题翻译： OFDM系统的频率复用方案
公开(公告)号：US06917580B2
公开(公告)日：2005-07-12
申请号：US09919263
申请日：2001-07-30
申请人： Zhaocheng Wang , Richard Stirling-Gallacher , Thomas Dolle , Ralf Böhnke
发明人： Zhaocheng Wang , Richard Stirling-Gallacher , Thomas Dolle , Ralf Böhnke
IPC分类号： H04J11/00 , H04L27/26 , H04W16/02 , H04W16/12 , H04W16/24
CPC分类号： H04W16/12 , H04L5/0007 , H04L5/0032 , H04L5/0048 , H04W16/02 , H04W16/24
摘要： The present invention relates to a cellular communication system for wireless telecommunication on the basis of an OFDM scheme, comprising a plurality of base stations B, whereby at least one base station B is allocated to each cell C of the communication system and whereby information communicated from the base stations comprises data parts and pilot parts. The present invention further relates to a method for operating such a cellular communication system. The present invention is characterised in that the frequency reuse factor of the data parts is different from a frequency reuse factor of the pilot parts. Hereby, an optimisation between high capacity and reliable and correct channel estimation on the basis of the pilot parts can be achieved.
摘要翻译：本发明涉及一种基于OFDM方案的无线电信用蜂窝通信系统，包括多个基站B，由此至少一个基站B被分配给通信系统的每个小区C，从而从基站包括数据部分和导频部分。本发明还涉及一种用于操作这种蜂窝通信系统的方法。本发明的特征在于，数据部分的频率复用因子与导频部分的频率重用因子不同。因此，可以实现基于导频部件的高容量和可靠且正确的信道估计之间的优化。

35. 发明授权

US06266365B1 CDMA receiver 失效
标题翻译： CDMA接收机
公开(公告)号：US06266365B1
公开(公告)日：2001-07-24
申请号：US09572625
申请日：2000-05-17
申请人： Zhaocheng Wang , Tao Zhang , Noriyoshi Ito , Hiroki Sugimoto
发明人： Zhaocheng Wang , Tao Zhang , Noriyoshi Ito , Hiroki Sugimoto
IPC分类号： A61F206
CPC分类号： H04B1/7085 , H04B1/709
摘要： A code division multiple access (CDMA) receiver for receiving an encoded CDMA signal is disclosed, the receiver comprising an analog to digital converter for sampling a received signal and passing the thus sampled and digitized signal to a CDMA decoder, the converter receiving a sampling clock signal at a sampling frequency, the phase of the clock signal being adjustable. The CDMA decoder includes a plurality of sets of correlators, each set having a different base delay, each base delay being adjustable.
摘要翻译：公开了一种用于接收编码的CDMA信号的码分多址（CDMA）接收机，该接收机包括一个模数转换器，用于对接收到的信号进行采样，并将这样采样和数字化的信号传送到CDMA解码器，该转换器接收采样时钟信号采样频率，时钟信号的相位可调。 CDMA解码器包括多组相关器，每组相关器具有不同的基极延迟，每个基极延迟是可调节的。

36. 发明授权

US08553812B2 Synchronization structure and method for a receiving apparatus of a communication system 失效
标题翻译：通信系统的接收装置的同步结构和方法
公开(公告)号：US08553812B2
公开(公告)日：2013-10-08
申请号：US12638369
申请日：2009-12-15
申请人： Qi Wang , Zhaocheng Wang
发明人： Qi Wang , Zhaocheng Wang
IPC分类号： H03D1/00 , H04L27/06
CPC分类号： H04L7/042
摘要： Discussed herein is a synchronization structure for a receiving apparatus for receiving signals in a communication system, in which the signals are transmitted in frames, each frame comprising a synchronization part with synchronization sequences, wherein at least one of the synchronization sequences has a different phase than the other synchronization sequences. The synchronization structure includes a correlation unit configured to perform a correlation on the synchronization part, a peak detection unit configured to detect candidate correlation peaks and the correlation result, and a correlation peak detection unit configured to detect a correlation peak among said candidate correlation peaks on the basis of a confidence value and phase information. Further, a corresponding synchronization method that enables frame synchronization with a higher performance in low signal to noise ratio environments is also discussed.
摘要翻译：这里讨论的是用于在通信系统中接收信号的接收装置的同步结构，其中以帧的形式发送信号，每帧包括具有同步序列的同步部分，其中至少一个同步序列具有与其他同步序列。所述同步结构包括被配置为对所述同步部进行相关的相关单元，配置为检测候选相关峰的峰值检测单元和所述相关结果，以及相关峰检测单元，被配置为检测所述候选相关峰中的相关峰，置信度和相位信息的基础。此外，还讨论了在低信噪比环境中实现具有更高性能的帧同步的相应同步方法。

37. 发明授权

US08526522B2 Single carrier high rate wireless system 有权
标题翻译：单载波高速率无线系统
公开(公告)号：US08526522B2
公开(公告)日：2013-09-03
申请号：US13238961
申请日：2011-09-21
申请人： Zhaocheng Wang , Masahiro Uno
发明人： Zhaocheng Wang , Masahiro Uno
IPC分类号： H04L27/28
CPC分类号： H04L25/03159 , H04L27/2607 , H04L2025/03522
摘要： A signal generator and signal processor for single carrier wireless communication systems with frequency domain equalizer operable to use pseudorandom-noise sequences for cyclic prefix, the pseudorandom-noise sequences for coarse timing synchronization, channel estimation, carrier synchronization, signal-noise-ration estimation and channel equalization.
摘要翻译：一种用于具有频域均衡器的单载波无线通信系统的信号发生器和信号处理器，其可操作以使用用于循环前缀的伪随机噪声序列，用于粗定时同步的伪随机噪声序列，信道估计，载波同步，信号噪声比估计和信道均衡。

38. 发明授权

US08401125B2 Receiving apparatus and method with no oversampling analog to digital conversion 失效
标题翻译：没有过采样模数转换的接收装置和方法
公开(公告)号：US08401125B2
公开(公告)日：2013-03-19
申请号：US12631070
申请日：2009-12-04
申请人： Zhaocheng Wang , Richard Stirling-Gallacher , Ralf Boehnke
发明人： Zhaocheng Wang , Richard Stirling-Gallacher , Ralf Boehnke
IPC分类号： H04L27/06 , H04L7/00
CPC分类号： H04L7/042
摘要： A receiving apparatus and a receiving method for receiving signals in a wireless communication system are presented, the signals including a dedicated channel estimation sequence. The apparatus includes an analog to digital converter that converts received signals into digital samples with a sampling rate identical to a symbol rate of the received signals, a channel estimation unit that performs a channel estimation based on the dedicated channel estimation sequence comprised in a digital samples of the received signals, an evaluation unit that evaluates the channel estimation result from the channel estimation unit, and a control unit that controls a phase of the sampling rate of the analog to digital converter based on an evaluation of the channel estimation result. The present invention further relates to a corresponding receiving method.
摘要翻译：提出了一种用于在无线通信系统中接收信号的接收装置和接收方法，所述信号包括专用信道估计序列。该装置包括模拟数字转换器，其以接收信号的符号率将接收到的信号转换为数字样本，信道估计单元，其基于包含在数字样本中的专用信道估计序列执行信道估计的评估单元，评估单元，其评估来自信道估计单元的信道估计结果;以及控制单元，其基于信道估计结果的评估来控制模数转换器的采样率的相位。本发明还涉及相应的接收方法。

39. 发明授权

US08059743B2 Method for transmitting signals in a wireless communication system and communication system 失效
标题翻译：在无线通信系统和通信系统中发送信号的方法
公开(公告)号：US08059743B2
公开(公告)日：2011-11-15
申请号：US11951618
申请日：2007-12-06
申请人： Zhaocheng Wang , Masahiro Uno
发明人： Zhaocheng Wang , Masahiro Uno
IPC分类号： H04B7/02
CPC分类号： H04B7/0695 , H04B7/0408 , H04B7/088
摘要： A method for transmitting signals in a wireless communication system including the steps of (a) transmitting and receiving the signals subsequently via transmission paths thereby allowing an estimation of channel quality of each transmission path, (b) selecting on a basis of the estimated channel quality several transmission paths as candidates for a communication channel, (c) repeating step (a) at least once under different transmission and/or reception conditions for the several transmission paths selected in step (b), and (d) selecting on basis of the estimated channel quality a small number of transmission paths out of the several transmission paths as candidates for a communication channel.
摘要翻译：一种用于在无线通信系统中发送信号的方法，包括以下步骤：（a）经由传输路径随后发送和接收信号，从而允许估计每个传输路径的信道质量，（b）基于所估计的信道质量进行选择几个传输路径作为通信信道的候选，（c）在步骤（b）中选择的若干传输路径的不同传输和/或接收条件下重复步骤（a）至少一次，以及（d）基于估计的信道质量是作为通信信道的候选的几个传输路径中的少数传输路径。

40. 发明授权

US08013790B2 Transmitting device, receiving device and method for establishing a wireless communication link 有权
标题翻译：用于建立无线通信链路的发送设备，接收设备和方法
公开(公告)号：US08013790B2
公开(公告)日：2011-09-06
申请号：US12958895
申请日：2010-12-02
申请人： Masahiro Uno , Zhaocheng Wang
发明人： Masahiro Uno , Zhaocheng Wang
IPC分类号： H04B7/00
CPC分类号： H04W16/28 , H04W72/08 , H04W76/10 , H04W84/18
摘要： A method for establishing a wireless communication link between a first communication device having a beam antenna to be steered to different positions and a second communication device. The method includes transmitting a link request signal from the first communication device to the second communication device via the beam antenna. The link request signal includes information relating to a current position of the beam antenna. The method further includes obtaining, in case the link request signal is received in the second communication device, channel quality information representative of a current transmission path.
摘要翻译：一种用于在具有待转向不同位置的波束天线的第一通信设备和第二通信设备之间建立无线通信链路的方法。该方法包括经由波束天线从第一通信设备向第二通信设备发送链路请求信号。链路请求信号包括与波束天线的当前位置有关的信息。该方法还包括在第二通信设备中接收到链路请求信号的情况下获得表示当前传输路径的信道质量信息。

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