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1. 发明公开

EP3001629A1 Method and apparatus for providing a multi-carrier modulated signal 有权转让
标题翻译： Vorrichtung und Verfahren zur Bereitstellung eines moduliertenMehrträgersignals
公开(公告)号：EP3001629A1
公开(公告)日：2016-03-30
申请号：EP14290288.1
申请日：2014-09-25
申请人： ALCATEL LUCENT
发明人： Wild, Thorsten , Schaich, Frank
IPC分类号： H04L27/26
CPC分类号： H04L27/2644 , H04L27/2636 , H04L27/264
摘要： The invention relates to a method of providing a multicarrier modulated signal (mcs) which comprises at least one sub-band (sb1), wherein said sub-band (sb1) comprises a plurality of subcarriers (sc), comprising the following steps: receiving (200) an input signal vector ( s ), wherein each component of said input signal vector ( s ) is associated with one of said plurality of subcarriers, expanding (210) said input signal vector ( s ) by adding one or more additional vector elements in front of and/or after the components of said input signal vector ( s ), whereby an expanded signal vector ( s ext ) is obtained, upsampling (220) the expanded signal vector ( s ext ), whereby an upsampled signal vector ( s up ) is obtained, filtering (230) the upsampled signal vector ( s up ) to obtain a filtered sub-band output signal ( x filt ).
摘要翻译：本发明涉及一种提供包括至少一个子带（sb1）的多载波调制信号（mcs）的方法，其中所述子带（sb1）包括多个子载波（sc），包括以下步骤：接收（200）输入信号向量，其中所述输入信号向量的每个分量与所述多个子载波之一相关联，通过将一个或多个附加向量在所述输入信号向量的组件之前和/或之后的元素，从而获得扩展的信号向量（s ext），对扩展的信号向量（s ext）进行上采样（220），由此上采样的信号向量 s），对上采样信号矢量（s up）进行滤波（230），以获得滤波后的子带输出信号（x filt）。

2. 发明公开

EP2239903A3 Method for communicating in an oversampled ofdm network 审中-公开
标题翻译：在过采样OFDM网络进行传输的方法
公开(公告)号：EP2239903A3
公开(公告)日：2013-05-29
申请号：EP10003295.2
申请日：2010-03-26
申请人： Mitsubishi Electric Corporation
发明人： Orlik, Philip V. , Du, Qinghe , Duan, Chunjie , Sahinoglu, Zafer
IPC分类号： H04L27/26 , H04J13/00
CPC分类号： H04L27/2631 , H04J13/0055 , H04J13/14 , H04L27/2613 , H04L27/2644 , H04L27/2652 , H04L27/2663 , H04L27/2671 , H04L27/2675 , H04L27/2692
摘要： In an oversampled orthogonal frequency-division multiplexing (OFDM) network, the preamble used for time synchronization does not have an ideal autocorrelation function due to guard bands, which degrade the accuracy of symbol timing. Therefore, a zero-correlation-zone (ZCZ) based preamble is used for time synchronization. A cross correlation function (CCF) used for time synchronization is forced to 0 within a certain region around a main lobe. The length of the ZCZ is guaranteed to be larger than a cyclic prefix length of OFDM data symbols synchronization accuracy.

3. 发明公开

EP1532789A1 VERFAHREN UND SENDEEINRICHTUNG ZUM BERTRAGEN VON DATEN IN EINEM MEHRTRÄGERSYSTEM 有权转让
标题翻译：方法及发送装置在多载波系统和传输数据
公开(公告)号：EP1532789A1
公开(公告)日：2005-05-25
申请号：EP03793585.5
申请日：2003-07-07
申请人： SIEMENS AKTIENGESELLSCHAFT
发明人： BOLINTH, Edgar , LORENZ, Gesa
IPC分类号： H04L27/26 , H04L25/03
CPC分类号： H04L27/2602 , H04L5/023 , H04L25/03834 , H04L27/2644
摘要： The invention relates to a method for the transmission of data in a multi-carrier system, provided with a frequency band, the carrier frequencies of which are distributed in a sub-carrier band, dividing the frequency band. On the transmission side, dependent on current transmission properties, an adaptive pre-emphasis of the transmission signal is carried out for a part of the carrier frequencies in the sub-carrier band. Said transmitter thus comprises means for determining current transmission properties and means for adaptive pre-emphasis of a part of the carrier frequencies in the sub-carrier band of the transmission signal.

4. 发明公开

EP3188388A4 TRANSMISSION APPARATUS, TRANSMISSION METHOD, RECEPTION APPARATUS, AND RECEPTION METHOD 审中-公开
公开(公告)号：EP3188388A4
公开(公告)日：2018-04-11
申请号：EP15836217
申请日：2015-08-03
申请人： MITSUBISHI ELECTRIC CORP
发明人： HASEGAWA FUMIHIRO
IPC分类号： H04L27/26 , H04L25/03
CPC分类号： H04J11/00 , H04L25/03828 , H04L27/2602 , H04L27/2607 , H04L27/2636 , H04L27/2644 , H04L27/2647
摘要： A transmission apparatus according to the invention includes a symbol arrangement unit to receive multiple symbols constituting a block, duplicate a first symbol of a block one block previous to the block, and output a block symbol being the block at present with the duplicated duplicate symbol inserted at a first position thereof, a frequency conversion unit to convert the block symbol into a frequency domain signal, a frequency component removal unit to remove one or more frequency components from the frequency domain signal, a time conversion unit to convert, after performing interpolation on the frequency domain signal with the one or more frequency components removed, the interpolated frequency domain signal into a time domain signal, and a cyclic prefix insertion unit to duplicate, in the time domain signal, a signal from a position on a basis of the first position through an end as a cyclic prefix, and insert the cyclic prefix at a beginning of the time domain signal; thus, in single carrier block transmission, this enables reduction of out-of-band spectra and improvement of frequency utilization efficiency.

5. 发明授权

EP3042480B1 PROCÉDÉ ET DISPOSITIF DE TRANSMISSION DE BLOCS DE SYMBOLES DE DONNÉES COMPLEXES, PROCÉDÉ ET DISPOSITIF DE RÉCEPTION ET PROGRAMMES D'ORDINATEUR CORRESPONDANTS 有权
标题翻译：方法和设备发送块符号数据复杂，方法和设备，用于接收和计算机程序相关
公开(公告)号：EP3042480B1
公开(公告)日：2017-12-20
申请号：EP14777686.8
申请日：2014-09-02
申请人： Orange
发明人： LIN, Hao , SIOHAN, Pierre
IPC分类号： H04L27/26
CPC分类号： H04L27/2644 , H04L5/0044 , H04L27/2607 , H04L27/2627 , H04L27/264 , H04L27/2649

6. 发明公开

EP3188388A1 TRANSMISSION APPARATUS, TRANSMISSION METHOD, RECEPTION APPARATUS, AND RECEPTION METHOD 审中-公开
标题翻译：传输装置，传输方法，接收装置和接收方法
公开(公告)号：EP3188388A1
公开(公告)日：2017-07-05
申请号：EP15836217.8
申请日：2015-08-03
申请人： Mitsubishi Electric Corporation
发明人： HASEGAWA, Fumihiro
IPC分类号： H04J11/00 , H04L27/01
CPC分类号： H04L27/2607 , H04J11/00 , H04L25/03828 , H04L27/2602 , H04L27/2636 , H04L27/2644 , H04L27/2647
摘要： A transmission apparatus according to the invention includes a symbol arrangement unit to receive multiple symbols constituting a block, duplicate a first symbol of a block one block previous to the block, and output a block symbol being the block at present with the duplicated duplicate symbol inserted at a first position thereof, a frequency conversion unit to convert the block symbol into a frequency domain signal, a frequency component removal unit to remove one or more frequency components from the frequency domain signal, a time conversion unit to convert, after performing interpolation on the frequency domain signal with the one or more frequency components removed, the interpolated frequency domain signal into a time domain signal, and a cyclic prefix insertion unit to duplicate, in the time domain signal, a signal from a position on a basis of the first position through an end as a cyclic prefix, and insert the cyclic prefix at a beginning of the time domain signal; thus, in single carrier block transmission, this enables reduction of out-of-band spectra and improvement of frequency utilization efficiency.
摘要翻译：根据本发明的发送装置包括符号排列单元，用于接收构成块的多个符号，复制块之前的块的第一符号，并且输出作为当前块的块符号，插入复制的复制符号在其第一位置处，将块符号转换为频域信号的频率转换单元，从频域信号中去除一个或多个频率分量的频率分量去除单元，时间转换单元，具有去除的一个或多个频率分量的频域信号，将内插的频域信号转换为时域信号，以及循环前缀插入单元，用于在时域信号中基于第一作为循环前缀在末端定位，并且在时域信号的开始处插入循环前缀; 因此，在单载波块传输中，这能够减少带外频谱并提高频率利用效率。

7. 发明公开

EP2416616A1 RADIO COMMUNICATION SYSTEM, TRANSMISSION DEVICE, RECEPTION DEVICE, AND RADIO COMMUNICATION METHOD IN RADIO COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统，发送装置，接收装置和无线通信方式的无线通信系统
公开(公告)号：EP2416616A1
公开(公告)日：2012-02-08
申请号：EP09842909.5
申请日：2009-03-30
申请人： Fujitsu Limited
发明人： DATEKI, Takashi , SEYAMA, Takashi
IPC分类号： H04W80/02 , H04J11/00 , H04L27/01
CPC分类号： H04L27/2614 , H04L5/0041 , H04L27/2636 , H04L27/2644
摘要： A radio communication system, includes: a transmission apparatus; and a reception apparatus, wherein the transmission apparatus and reception apparatus performs a radio communication, the transmission apparatus includes: an enlargement unit which enlarge a sequence length of a transmission data by repeating a sequence of the transmission data; first subcarrier arrangement unit which arranges each of components included in the enlarged transmission data on each of subcarriers, while maintaining a positional relationship between the each of components, and punctures the component of the transmission data arranged on the subcarrier, when the subcarrier is not used for transmission; and a transmission unit which transmits the transmission data arranged on the subcarrier to the reception apparatus, and the reception apparatus includes a reception unit which receives the transmission data.
摘要翻译：一种无线电通信系统，包括：发送装置; 和接收装置，worin发送装置和接收装置进行无线通信，所述发送装置包括：放大部，其通过重复发送数据的序列放大的发送数据的序列长度; 第一副载波配置单元，其布置每个包括在关于每个子载波的放大传输数据分量，同时保持各部件之间的位置关系，并穿刺布置在副载波，发送数据的部件在不使用的副载波用于传输; 以及发送单元，发送配置在副载波的接收装置中的发送数据，并且所述接收装置包括：接收单元，其接收的传输数据。

8. 发明公开

EP2297862A1 METHODS FOR TRANSCEIVING DATA IN MULTI-BAND ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS COMMUNICATIONS SYSTEM AND COMMUNICATIONS APPARATUSES UTILIZING THE SAME 审中-公开
标题翻译：方法发送/接收数据的多频带正交频复用通信网络，多访问和通信设备
公开(公告)号：EP2297862A1
公开(公告)日：2011-03-23
申请号：EP09793845.0
申请日：2009-07-07
申请人： Mediatek Inc.
发明人： LIAO, Pei-Kai , FU, I-Kang
IPC分类号： H04B1/10 , H04J11/00 , H04L27/26
CPC分类号： H04L27/2647 , H04L5/0007 , H04L5/0039 , H04L5/0044 , H04L27/261 , H04L27/2644
摘要： A communications apparatus is provided. A receiving module receives a signal with a predetermined signal bandwidth. A low pass filter filters the signal to obtain a filtered signal. A filter bandwidth of the low pass filter is wide enough to pass the regular sub-carrier frequency components and at least half of the guard sub-carrier frequency components of the signal. An analog to digital converter samples the filtered signal with a sampling rate exceeding a standard sampling rate defined in accordance with the predetermined signal bandwidth of the signal to obtain a plurality of digital samples. A Fast Fourier Transform module performs a fast Fourier transform on a predetermined number of points of the digital samples to obtain a plurality of transformed samples. The predetermined number exceeds a standard number defined in accordance with the predetermined carrier bandwidth. A sub-carrier collector collects the data from the transformed samples.

9. 发明授权

EP1532789B1 VERFAHREN UND SENDEEINRICHTUNG ZUM BERTRAGEN VON DATEN IN EINEM MEHRTRÄGERSYSTEM 有权转让
标题翻译：方法及发送装置在多载波系统和传输数据
公开(公告)号：EP1532789B1
公开(公告)日：2006-09-20
申请号：EP03793585.5
申请日：2003-07-07
申请人： SIEMENS AKTIENGESELLSCHAFT
发明人： BOLINTH, Edgar , LORENZ, Gesa
IPC分类号： H04L27/26 , H04L25/03
CPC分类号： H04L27/2602 , H04L5/023 , H04L25/03834 , H04L27/2644
摘要： The invention relates to a method for the transmission of data in a multi-carrier system, provided with a frequency band, the carrier frequencies of which are distributed in a sub-carrier band, dividing the frequency band. On the transmission side, dependent on current transmission properties, an adaptive pre-emphasis of the transmission signal is carried out for a part of the carrier frequencies in the sub-carrier band. Said transmitter thus comprises means for determining current transmission properties and means for adaptive pre-emphasis of a part of the carrier frequencies in the sub-carrier band of the transmission signal.

10. 发明公开

EP1237342A3 Mutlicarrier modulator 审中-公开
标题翻译： Mehrträgermodulator
公开(公告)号：EP1237342A3
公开(公告)日：2006-05-03
申请号：EP02251432.7
申请日：2002-02-28
申请人： ALPS ELECTRIC CO., LTD.
发明人： Otaki, Yukio, c/o Alps Electric Co Ltd
IPC分类号： H04L27/26
CPC分类号： H04L27/2626 , H03H17/04 , H03H17/045 , H04L27/2644
摘要： The OFDM modulation circuit system includes an IFFT unit (3) and an interpolation unit. The IFFT unit performs an IFFT operation by mapping a digital modulation signal onto a plurality of sub-carriers, and outputs the plurality of IFFT signals. The interpolation unit interpolates the N-point IFFT signals with a degree of interpolation of 2. The interpolation unit includes only the first-stage interpolator (5), or the first-stage interpolator and at least one combination of a complex multiplier cascade-connected to the first-stage interpolator and the second-stage interpolator (9). Each of the first-stage interpolator and the second-stage interpolator includes first (5 1 ) and second (5 3 ) IIR digital all-pass filters for performing 90° phase shift and first (5 2 ) and second (5 4 ) delay circuits for supplying a signal delay by an amount equal to the signal delay of the first and second IIR digital all-pass filters.

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