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1. 发明授权

US5327455A Method and device for multiplexing data signals 失效
标题翻译：用于复用数据信号的方法和装置
公开(公告)号：US5327455A
公开(公告)日：1994-07-05
申请号：US50285
申请日：1993-07-09
申请人： Riccardo De Gaudenzi , Roberto Viola , Carlo Elia
发明人： Riccardo De Gaudenzi , Roberto Viola , Carlo Elia
IPC分类号： H04B7/216 , H04J13/00 , H04L5/02 , H04K1/00
CPC分类号： H04J13/0029 , H04B7/216 , H04J13/00 , H04L5/02
摘要： Before modulating the transmission carrier, each binary data signal is individually coded as a discrete symbol belonging to a PSK constellation of N symbols which are combined with N discrete points to produce two binary signal streams of which the first is in phase with the incoming signal while the second is in phase quadrature with said incoming signal. Each of said two binary signal streams is assigned its own signature by combining it with a discrete spreading code to produce two spread composite signal streams each of which is to be applied to a modulator. Both of said spreading codes are substantially orthogonally cross-correlated. The method may be used in a satellite communications system, in particular for digital sound transmission and communication via land microterminals.
摘要翻译： PCT No.PCT / EP92 / 02001 Sec。 371日期：1993年7月9日 102（e）日期1993年7月9日PCT提交1992年8月28日PCT公布。出版物WO93 / 05589 日期1993年3月18日。在调制传输载体之前，每个二进制数据信号被单独地编码为属于N个符号的PSK星座的离散符号，其与N个离散点组合以产生两个二进制信号流，其中第一个与输入信号同相，而第二个与所述输入信号相位正交。通过将其与离散扩展码组合来分配所述两个二进制信号流中的每一个，以产生两个扩展合成信号流，每个扩展复合信号流将被应用于调制器。所述扩展码两者基本上是正交交叉相关的。该方法可以用于卫星通信系统中，特别是用于数字声音传输和陆地微型通信的通信。

2. 发明授权

US6134225A Device for broadcasting digital information via satellite 失效
标题翻译：通过卫星广播数字信息的装置
公开(公告)号：US6134225A
公开(公告)日：2000-10-17
申请号：US932242
申请日：1997-09-17
申请人： Huu Nghia Pham , Carlo Elia
发明人： Huu Nghia Pham , Carlo Elia
IPC分类号： H04N7/20 , H03M13/00 , H04B7/15 , H04B7/185 , H04H20/00
CPC分类号： H04B7/18523
摘要： The device comprises at least one set of links that send packet formatted digital information to the satellite on at least two different frequencies, at least one second set of links on board the satellite receives the digital information packets, at least one packet time multiplexing module connected both to output of the second set of links and to input of a digital information formatting module comprising a scrambler connected to input of a part of a broadcasting DVB-S chain beginning by a convolutive interleaving block and terminating by a QPSK modulator, at least one clock on board the satellite, this clock, working in asynchronism with all earth clocks and driving the satellite-borne assembly.
摘要翻译：该设备包括至少一组链路，其在至少两个不同的频率上向卫星发送分组格式化的数字信息，卫星上的至少一个第二组链路接收数字信息分组，至少一个分组时间复用模块连接既输出第二组链路，又输入数字信息格式化模块，该数字信息格式化模块包括连接到由卷积交织块开始并由QPSK调制器终止的广播DVB-S链的一部分的输入的加扰器，至少一个卫星上的时钟，这个时钟，与所有的地球钟不同步，并驾驶卫星传播的大会。

3. 发明授权

US06473900B1 Device for broadcasting digital information via satellite from a plurality of earth stations 失效
标题翻译：用于通过卫星从多个地球站广播数字信息的装置
公开(公告)号：US06473900B1
公开(公告)日：2002-10-29
申请号：US08932533
申请日：1997-09-17
申请人： Huu Nghia Pham , Carlo Elia , Maria Gouta
发明人： Huu Nghia Pham , Carlo Elia , Maria Gouta
IPC分类号： H04N720
CPC分类号： H04B7/18523
摘要： In the device: at least one set of links sends packet formated digital information to the satellite, on at least two different frequencies; at least one satellite-borne module receives, multiplexes and re-formates the information on only one downlink; at least one of the links works in a Time Division Multiple Access (TDMA) mode.
摘要翻译：在设备中：至少一组链路在至少两个不同的频率上向卫星发送分组形成的数字信息;至少一个卫星传播模块仅在一个下行链路上接收，复用和重新形成信息;至少一个的链路在时分多址（TDMA）模式下工作。

4. 发明授权

US6016328A Method and apparatus for the synchronization of a signal receiving station 失效
标题翻译：用于信号接收站同步的方法和装置
公开(公告)号：US6016328A
公开(公告)日：2000-01-18
申请号：US780660
申请日：1997-01-07
申请人： Guiseppe Caire , Carlo Elia
发明人： Guiseppe Caire , Carlo Elia
IPC分类号： H04L27/14 , H04L7/00 , H04L7/027 , H04L27/227 , H04L27/10 , G08C19/00 , H03D3/00
CPC分类号： H04L7/027 , H04L27/2276
摘要： In an FSK modulated signal receiving station a synchronization sub-system is arranged to sample the received signal and to select one sample per symbol within a detection window having a finite length, said samples being selected at predeterined instants. This produces a number of versions of the sampled signal and these different versions of the signal are then processed in parallel to determine the signal timing and the signal frequency offset.
摘要翻译：在FSK调制信号接收站中，同步子系统被布置成对接收到的信号进行采样，并且在具有有限长度的检测窗口内选择每个符号的一个样本，所述样本在预定时刻被选择。这产生了多个版本的采样信号，然后并行处理信号的这些不同版本，以确定信号定时和信号频率偏移。

5. 发明授权

US5712850A System for digital broadcasting by satellite 失效
标题翻译：卫星数字广播系统
公开(公告)号：US5712850A
公开(公告)日：1998-01-27
申请号：US509061
申请日：1995-07-31
申请人： Carlo Elia , Enrico Colzi
发明人： Carlo Elia , Enrico Colzi
IPC分类号： H04N7/26 , H04H20/28 , H04H20/51 , H04H20/74 , H04N7/00 , H04N7/20 , H04N19/00 , H04N21/647 , H04B7/185 , H04J3/00
CPC分类号： H04H20/74 , H04H20/02 , H04H20/28 , H04H20/51
摘要： The invention relates to a system for digital broadcasting by satellite and including a link sending digital information to the satellite, the satellite retransmitting a broadcast multiplex. According to the invention, the link includes a plurality of individual transmitters each of which transmits a transmission signal at a first rate corresponding to at least one program, and wherein the satellite includes an onboard multiplexer module combining the transmission signals to form the transmission multiplex at a second rate higher than the first rate.
摘要翻译：本发明涉及一种通过卫星进行数字广播的系统，包括向卫星发送数字信息的链路，卫星重传广播多路复用。根据本发明，链路包括多个单独的发射机，每个发射机以与至少一个节目对应的第一速率发送传输信号，并且其中卫星包括组合传输信号以形成传输多路复用的车载多路复用器模块比第一个比率高出第二个比率。

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