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1. 发明申请

WO2011082713A3 NONLINEARITY COMPENSATION IN OPTICAL COMMUNICATION SYSTEMS VIA ITERATIVE SIGNAL CLIPPING AND A MULTIPLE LED TRANSMITTER 审中-公开
标题翻译：通过迭代信号剪辑和多个LED发射器在光通信系统中的非线性补偿
公开(公告)号：WO2011082713A3
公开(公告)日：2013-03-07
申请号：PCT/EG2010000001
申请日：2010-01-05
申请人： ELGALA HANY ABDELMONEM MOHAMED , MESLEH RAED
发明人： ELGALA HANY ABDELMONEM MOHAMED , MESLEH RAED
IPC分类号： H04B10/112 , H04B10/114 , H04B10/516
CPC分类号： H04B10/114 , H04B10/112 , H04B10/548
摘要： The invention relates to optical indoor wireless, optical outdoor wireless, or optical fiber communication systems, in particular a system utilizing intensity modulated light emitting diode (LED) as a transmitter and a direct detection photodiode (PD) as an optical receiver. The invented iterative signal clipping (ISC) technique is based on iterative clipping of the time domain orthogonal frequency division multiplexing (OFDM) signal and transmission from a multiple LED transmitter. The LEDs are synchronized, located close to each other, and placed to emit light in the same direction. Hence, the channel path gains from each LED to the receiver PD are similar. The received signals from the different LEDs add coherently at the receiver. The effect of distortion due to clipping is eliminated or significantly reduced based on the considered number of LEDs.
摘要翻译：本发明涉及光学室内无线，光学室外无线或光纤通信系统，特别是使用强度调制发光二极管（LED）作为发射机的系统和作为光接收机的直接检测光电二极管（PD）。本发明的迭代信号削波（ISC）技术是基于时域正交频分复用（OFDM）信号和来自多LED发射机的传输的迭代削波。 LED同步，彼此靠近放置，以相同的方向发光。因此，从每个LED到接收器PD的通道路径增益是相似的。来自不同LED的接收信号在接收机处相加地相加。基于所考虑的LED数量消除或显着减少由于削波引起的失真的影响。

2. 发明申请

WO2011003393A1 SENDEVORRICHTUNG FÜR EINE OPTISCHE DATENÜBERTRAGUNG MIT EINER NICHTLINEAREN LICHTQUELLE UND ZUGEHÖRIGER EMPFANGSVORRICHTUNG 审中-公开
标题翻译：传动装置是否有与非线性光源和光学通信相关接收装置;
公开(公告)号：WO2011003393A1
公开(公告)日：2011-01-13
申请号：PCT/DE2010/000766
申请日：2010-07-05
申请人： JACOBS UNIVERSITY BREMEN GGMBH , HAAS, Harald , MESLEH, Raed , ELGALA, Hany
发明人： HAAS, Harald , MESLEH, Raed , ELGALA, Hany
IPC分类号： H04B10/10 , H04B10/155
CPC分类号： H04B10/58 , H04B10/502
摘要： Um das zu erwartenden Datenwachstum bei der Datenkommunikation und den zugehörigen Datendurchsatz innerhalb von Gebäuden bereitzustellen, sind drahtlose Kommunikationsbrücken erforderlich. Eine hierbei einsetzbare Technologie beruht auf einer optischen drahtlosen Übertragung (optical wireless). Durch die Nichtlinearität der verwendeten Leuchtdioden (LEDn) müssen Abstriche bei der Spitze zu Spitze Intensität (Peak to Peak Intensity) in Kauf genommen werden. Um dieses Problem zu beseitigen, schlägt die Erfindung eine Sendevorrichtung für eine optische, insbesondere kabellose Datenübertragung mit einer nicht linearen Lichtquelle, insbesondere mit einer lichtemettierenden Diode (LED) vor, wobei die Lichtquelle zur Datenübertragung moduliert ist, insbesondere OFDM moduliert ist und der Lichtquelle ein Lineareingangssignal aufgeprägt ist, sodass ein moduliertes Eingangssignal einen im Wesentlichen linearen Zusammenhang zu einem Ausgangssignal, insbesondere zu einer Ausgangsidentität, ausbildet.
摘要翻译：为了提供数据通信大楼内的预期数据增长和相关的数据吞吐量，桥所需的无线通信。甲情况下，可以使用的技术是基于一种光学无线传输（光学无线）。通过所使用的发光二极管（LEDN）的非线性必须妥协上峰 - 峰强度（峰峰值强度）被接受。为了消除这个问题，本发明提出了一种用于发送装置的光，在与非线性光源特定的无线数据传输，特别是与在前面的lichtemettierenden二极管（LED），其中，所述光源被调制的数据传输，在调制特定OFDM和所述光源的是线性输入信号印象深刻，使得调制的输入信号到输出信号的基本上线性的关系，特别是涉及一种输出身份，形成。

3. 发明授权

US08094743B2 Spatial modulation method and transmitting and receiving apparatuses using the same in a multiple input multiple output system 有权
标题翻译：空间调制方法以及在多输入多输出系统中使用该装置的发送和接收装置
公开(公告)号：US08094743B2
公开(公告)日：2012-01-10
申请号：US11822872
申请日：2007-07-10
申请人： Chang-Wook Ahn , Sang-Boh Yun , Eung-Sun Kim , Harald Haas , Mesleh Raed , Tae-In Hyon , Stephen McLaughlin
发明人： Chang-Wook Ahn , Sang-Boh Yun , Eung-Sun Kim , Harald Haas , Mesleh Raed , Tae-In Hyon , Stephen McLaughlin
IPC分类号： H04B7/02
CPC分类号： H04L1/0656 , H04B7/0413 , H04B7/0691 , H04L1/0063
摘要： A spatial modulation method and transmitting and receiving apparatuses using the spatial modulation method in a MIMO system are provided. The spatial modulation method uses an index of an activated antenna and a signal modulation constellation as an information source. The spatial modulation method is applied to the transmitting apparatus. The receiving apparatus uses a spatial modulation detection method in which a channel path gain is repeatedly multiplied to detect the spatially modulated signal efficiently.
摘要翻译：提供了一种使用MIMO系统中的空间调制方法的空间调制方法和发送和接收装置。空间调制方法使用激活天线的索引和信号调制星座作为信息源。空间调制方法应用于发送装置。接收装置使用空间调制检测方法，其中重复地乘以信道路径增益以有效地检测空间调制信号。

4. 发明申请

WO2011082713A2 NONLINEARITY COMPENSATION IN OPTICAL COMMUNICATION SYSTEMS VIA ITERATIVE SIGNAL CLIPPING AND A MULTIPLE LED TRANSMITTER 审中-公开
标题翻译：通过迭代信号剪辑和多个LED发射器在光通信系统中的非线性补偿
公开(公告)号：WO2011082713A2
公开(公告)日：2011-07-14
申请号：PCT/EG2010/000001
申请日：2010-01-05
申请人： ELGALA, Hany Abdelmonem Mohamed , MESLEH, Raed
发明人： ELGALA, Hany Abdelmonem Mohamed , MESLEH, Raed
IPC分类号： H04B10/00
CPC分类号： H04B10/114 , H04B10/112 , H04B10/548
摘要： The invention relates to optical indoor wireless, optical outdoor wireless, or optical fiber communication systems, in particular a system utilizing intensity modulated light emitting diode (LED) as a transmitter and a direct detection photodiode (PD) as an optical receiver. The invented iterative signal clipping (ISC) technique is based on iterative clipping of the time domain orthogonal frequency division multiplexing (OFDM) signal and transmission from a multiple LED transmitter. The LEDs are synchronized, located close to each other, and placed to emit light in the same direction. Hence, the channel path gains from each LED to the receiver PD are similar. The received signals from the different LEDs add coherently at the receiver. The effect of distortion due to clipping is eliminated or significantly reduced based on the considered number of LEDs.
摘要翻译：本发明涉及光学室内无线，光学室外无线或光纤通信系统，特别是使用强度调制发光二极管（LED）作为发射机的系统和作为光接收机的直接检测光电二极管（PD）。本发明的迭代信号削波（ISC）技术是基于时域正交频分复用（OFDM）信号和来自多LED发射机的传输的迭代削波。 LED同步，彼此靠近放置，以相同的方向发光。因此，从每个LED到接收器PD的通道路径增益是相似的。来自不同LED的接收信号在接收机处相加地相加。基于所考虑的LED数量消除或显着减少由于削波引起的失真的影响。

5. 发明申请

WO2010094960A1 A METHOD AND SYSTEM OF ENHANCED PERFORMANCE IN COMMUNICATION SYSTEMS 审中-公开
标题翻译：通信系统中增强性能的方法与系统
公开(公告)号：WO2010094960A1
公开(公告)日：2010-08-26
申请号：PCT/GB2010/050262
申请日：2010-02-17
申请人： THE UNIVERSITY COURT OF THE UNIVERSITY OF EDINBURGH , JACOBS UNIVERSITY BREMEN GGMBH , HAAS, Harald , MESLEH, Raed , STEFAN, Irina , GRANT, Peter, Mitchell
发明人： HAAS, Harald , MESLEH, Raed , STEFAN, Irina , GRANT, Peter, Mitchell
IPC分类号： H04L1/00 , H04L5/00 , H04B7/04
CPC分类号： H04L5/0003 , H04B7/0413 , H04L1/006
摘要： A method of spatial modulation to identify a transmitter within a transmission array, wherein the transmitter has a unique bit sequence and defines a spatial component indicative of relative location is disclosed, comprising the following steps: receiving transmitted bits from the transmission array and identifying the unique bit sequence, the spatial component and a signal components; encoding the unique bit sequence and the spatial component by grouping the transmitters into transmitter groups such that the transmitters in each group have a maximum spatial separation relative to one another to thereby form an encoded signal; decoding the encoded signal to identify the transmitter from which the transmitted bits were transmitted by determining the transmitter location from the or each group. The method preferably comprises trellis coded spatial modulation. Also, a corresponding system is disclosed, the system comprising an encoder for encoding the unique bit sequence and the spatial component identified and received from the transmission array, the encoding including grouping the transmitters into transmitter groups such that the transmitters in each group have a maximum spatial separation relative to one another to thereby form an encoded signal. The system preferably uses trellis coded spatial modulation.
摘要翻译：一种用于识别传输阵列内的发射机的空间调制方法，其中所述发射机具有唯一的比特序列并且定义指示相对位置的空间分量，包括以下步骤：从所述传输阵列接收传输的比特并识别所述唯一的位序列，空间分量和信号分量; 通过将发射机分组为发射机组来编码唯一比特序列和空间分量，使得每个组中的发射机相对于彼此具有最大空间间隔，从而形成编码信号; 通过确定来自该组或每个组的发射机位置，对编码的信号进行解码以识别通过发送的比特被发送的发射机。该方法优选地包括网格编码的空间调制。此外，公开了一种相应的系统，该系统包括用于编码唯一比特序列和从传输阵列识别和接收的空间分量的编码器，所述编码包括将发射机分组为发射机组，使得每个组中的发射机具有最大相对于彼此的空间分离，从而形成编码信号。该系统优选地使用网格编码的空间调制。

6. 发明申请

WO2009132877A1 OPTICAL FREE SPACE DATA TRANSMISSION 审中-公开
标题翻译：光学空间数据传输
公开(公告)号：WO2009132877A1
公开(公告)日：2009-11-05
申请号：PCT/EP2009/052514
申请日：2009-03-03
申请人： AIRBUS OPERATIONS GMBH , HAAS, Harald , BASSOW, Erhard , ELGALA, Hany , MESLEH, Raed
发明人： HAAS, Harald , BASSOW, Erhard , ELGALA, Hany , MESLEH, Raed
IPC分类号： H04B10/10
CPC分类号： H04B10/1149
摘要： The invention relates to an aircraft data communication system as well as an aircraft comprising such a data communication system, in particular a wireless optical communication system inside an aircraft cabin and outside for aircraft services. The aircraft data communication system comprises a first sending unit 10 comprising a first sender 11 and a first modulator 13, and a first receiving unit 30 comprising a first receiver 32 and a first demodulator 34. The communication system 1 is adapted for a signal transmission between the first sender and the first receiver, wherein the signal transmission between the first sending unit and the first receiving unit is effected by light, and wherein the first modulator is adapted for modulating an amplitude of the transmitted light.
摘要翻译：本发明涉及一种飞行器数据通信系统以及包括这种数据通信系统的飞行器，特别是飞机机舱内部的无线光通信系统和用于飞机服务的外部无线光通信系统。飞机数据通信系统包括第一发送单元10，第一发送单元10包括第一发送器11和第一调制器13，以及包括第一接收器32和第一解调器34的第一接收单元30.通信系统1适于在第一发送器和第一接收器，其中第一发送单元和第一接收单元之间的信号传输由光实现，并且其中第一调制器适于调制透射光的振幅。

7. 发明申请

US20080037673A1 Spatial modulation method and transmitting and receiving apparatuses using the same in a multiple input multiple output system 有权
标题翻译：空间调制方法以及在多输入多输出系统中使用该装置的发送和接收装置
公开(公告)号：US20080037673A1
公开(公告)日：2008-02-14
申请号：US11822872
申请日：2007-07-10
申请人： Chang-Wook Ahn , Sang-Boh Yun , Eung-Sun Kim , Harald Haas , Mesleh Raed , Tae-In Hyon , Stepher McLaughlin
发明人： Chang-Wook Ahn , Sang-Boh Yun , Eung-Sun Kim , Harald Haas , Mesleh Raed , Tae-In Hyon , Stepher McLaughlin
IPC分类号： H04L23/02 , G06F17/10 , H04L27/28
CPC分类号： H04L1/0656 , H04B7/0413 , H04B7/0691 , H04L1/0063
摘要： A spatial modulation method and transmitting and receiving apparatuses using the spatial modulation method in a MIMO system are provided. The spatial modulation method uses an index of an activated antenna and a signal modulation constellation as an information source. The spatial modulation method is applied to the transmitting apparatus. The receiving apparatus uses a spatial modulation detection method in which a channel path gain is repeatedly multiplied to detect the spatially modulated signal efficiently.
摘要翻译：提供了一种使用MIMO系统中的空间调制方法的空间调制方法和发送和接收装置。空间调制方法使用激活天线的索引和信号调制星座作为信息源。空间调制方法应用于发送装置。接收装置使用空间调制检测方法，其中重复地乘以信道路径增益以有效地检测空间调制信号。

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