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- 1. 发明授权
  
  US06606307B1 Techniques for utilization of bandwidth space assets 有权
- 标题翻译：利用带宽空间资产的技术
- 公开(公告)号：US06606307B1
- 公开(公告)日：2003-08-12
- 申请号：US09432439
- 申请日：1999-11-02
- 申请人： Donald C. D. Chang , Kar W. Yung , David C. Cheng , Urban A. Von Der Embse , John I. Novak, III , Frank A. Taormina , Ming U. Chang
- 发明人： Donald C. D. Chang , Kar W. Yung , David C. Cheng , Urban A. Von Der Embse , John I. Novak, III , Frank A. Taormina , Ming U. Chang
- IPC分类号： H04B7185
- CPC分类号： H04B7/18521
- 摘要： Methods for operating a satellite constellation are disclosed that utilize spatial diversity and directional gain antennas at ground terminal locations to provide multiple data rate services on a single frequency channel. One method comprises receiving a signal at a first and second satellite in the satellite constellation from a first communications device. A communications channel at a first frequency from the first satellite is used to communicate with the first communications device. A signal from a second communications device is received only at the second satellite at the first frequency, and the second satellite is used to communicate with the second communications device at the first frequency without substantially interfering with the communications with the first communications device.
- 摘要翻译：公开了用于操作卫星星座的方法，其利用地面终端位置处的空间分集和方向增益天线在单个频率信道上提供多个数据速率业务。一种方法包括从第一通信设备在卫星星座中的第一和第二卫星处接收信号。来自第一卫星的第一频率的通信信道被用于与第一通信设备进行通信。来自第二通信设备的信号仅在第一频率处在第二卫星处被接收，并且第二卫星被用于以第一频率与第二通信设备通信，而基本上不干扰与第一通信设备的通信。

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- 2. 发明授权
  
  US06807397B2 Method for identifying growth limits of handheld services for mobile satellite communications 有权
- 标题翻译：识别移动卫星通信手持服务增长限制的方法
- 公开(公告)号：US06807397B2
- 公开(公告)日：2004-10-19
- 申请号：US10264197
- 申请日：2002-10-03
- 申请人： Donald C. D. Chang , Kar W. Yung , David C. Cheng , Urban A. Von Der Embse , John I. Novak, III , Frank A. Taormina , Ming U. Chang
- 发明人： Donald C. D. Chang , Kar W. Yung , David C. Cheng , Urban A. Von Der Embse , John I. Novak, III , Frank A. Taormina , Ming U. Chang
- IPC分类号： H04B7185
- CPC分类号： H04B7/18519 , B64G1/1007 , B64G1/242
- 摘要： Methods for increasing the efficiency of satellite constellation operations are disclosed. The steps of the present invention comprise calculating the maximum number of communications signals that each satellite in the satellite constellation can generate, determining an operational constraint on each satellite, the operational constraint limiting the number of communications signals that each satellite can radiate substantially simultaneously, determining an operational space for each satellite wherein the operational space is defined using the operational constraint and the calculated number of signals, and using the operational space for each satellite in the constellation to determine the operational point for the constellation.
- 摘要翻译：公开了提高卫星星座操作效率的方法。本发明的步骤包括计算卫星星座中每个卫星可以产生的通信信号的最大数量，确定每个卫星的操作约束，限制每个卫星可基本上同时辐射的通信信号的数量的操作约束，确定每个卫星的操作空间，其中使用操作约束和所计算的信号数定义操作空间，并且使用星座中的每个卫星的操作空间来确定星座的操作点。

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- 3. 发明授权
  
  US06888499B2 Signal processing circuit for communicating with a modular mobile terminal and method therefor 有权
- 标题翻译：用于与模块化移动终端通信的信号处理电路及其方法
- 公开(公告)号：US06888499B2
- 公开(公告)日：2005-05-03
- 申请号：US10694957
- 申请日：2003-10-27
- 申请人： Donald C. D. Chang , Urban A. Von Der Embse , Kar W. Yung , John I. Novak, III
- 发明人： Donald C. D. Chang , Urban A. Von Der Embse , Kar W. Yung , John I. Novak, III
- IPC分类号： H04B7/185 , H01Q3/26
- CPC分类号： H01Q21/062 , H01Q1/288 , H04B7/18571
- 摘要： A signal processing circuit for satellite communications signal includes a first one dimensional digital beam forming circuit for forming a beam signal in a first direction and a second one dimensional digital beam forming circuit for forming a beam in a second direction. A direction filtering circuit is coupled between the first one dimensional digital beam forming circuit and the second one dimensional digital beam forming circuit. The filtering circuit determining a communications signal direction of the satellite communications signal and tunes the filter to reduce a filter bandwidth and a frequency range of said beam signal prior to processing through the second one dimensional digital beam forming circuit.
- 摘要翻译：用于卫星通信信号的信号处理电路包括用于在第一方向上形成波束信号的第一一维数字波束形成电路和用于在第二方向上形成波束的第二一维数字波束形成电路。方向滤波电路耦合在第一一维数字波束形成电路和第二一维数字波束形成电路之间。所述滤波电路确定所述卫星通信信号的通信信号方向，并调谐所述滤波器以在通过所述第二一维数字波束形成电路进行处理之前降低所述波束信号的滤波器带宽和频率范围。

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- 4. 发明授权
  
  US06496146B1 Modular mobile terminal for satellite communication 有权
- 标题翻译：卫星通信模块化移动终端
- 公开(公告)号：US06496146B1
- 公开(公告)日：2002-12-17
- 申请号：US09376942
- 申请日：1999-08-18
- 申请人： Donald C. D. Chang , Urban A. von der Embse , Kar W. Yung , John I. Novak, III
- 发明人： Donald C. D. Chang , Urban A. von der Embse , Kar W. Yung , John I. Novak, III
- IPC分类号： H01Q124
- CPC分类号： H01Q1/38 , H01Q1/242 , H01Q1/246 , H01Q1/3275 , H01Q1/42 , H01Q9/0407 , H01Q21/065 , H01Q23/00
- 摘要： A modular mobile terminal for a satellite system is disclosed in which the satellite system has a ground station and a network such as a telephone network coupled to the ground station. Each of the mobile terminals has a radome layer and a support layer having a plurality of circuit traces formed thereon. An element module is coupled between the support layer and the radome layer. Each element module comprises a housing and a radiating patch having a feed therethrough. A dielectric layer is coupled adjacent to the radiating patch. A ground plane is disposed adjacent to the dielectric layer on the opposite side of the dielectric layer as the radiating patch. A plurality of circuit chips is coupled to the ground plane. The support layer of the array has a plurality of circuit traces formed thereon. A plurality of interconnections between the circuit chips and the plurality of traces connect the traces and the circuit chips.
- 摘要翻译：公开了一种用于卫星系统的模块化移动终端，其中卫星系统具有地面站和诸如耦合到地面站的电话网络的网络。每个移动终端具有天线罩层和在其上形成有多个电路迹线的支撑层。元件模块耦合在支撑层和天线罩层之间。每个元件模块包括外壳和具有穿过其中的馈电的辐射贴片。电介质层与辐射贴片相邻耦合。接地平面设置在与作为辐射贴片的电介质层相反侧的电介质层附近。多个电路芯片耦合到接地层。阵列的支撑层具有形成在其上的多个电路迹线。电路芯片和多个迹线之间的多个互连连接迹线和电路芯片。

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- 5. 发明授权
  
  US06791495B2 Modular mobile terminal for satellite communication 有权
- 标题翻译：卫星通信模块化移动终端
- 公开(公告)号：US06791495B2
- 公开(公告)日：2004-09-14
- 申请号：US10272633
- 申请日：2002-10-17
- 申请人： Donald C. D. Chang , Urban A. Von Der Embse , Kar W. Yung , John I. Novak, III
- 发明人： Donald C. D. Chang , Urban A. Von Der Embse , Kar W. Yung , John I. Novak, III
- IPC分类号： H01Q124
- CPC分类号： H01Q1/38 , H01Q1/242 , H01Q1/246 , H01Q1/3275 , H01Q1/42 , H01Q9/0407 , H01Q21/065 , H01Q23/00
- 摘要： A modular mobile terminal for a satellite system is disclosed in which the satellite system has a ground station and a network such as a telephone network coupled to the ground station. Each of the mobile terminals has a radome layer and a support layer having a plurality of circuit traces formed thereon. An element module is coupled between the support layer and the radome layer. Each element module comprises a housing and a radiating patch having a feed therethrough. A dielectric layer is coupled adjacent to the radiating patch. A ground plane is disposed adjacent to the dielectric layer on the opposite side of the dielectric layer as the radiating patch. A plurality of circuit chips is coupled to the ground plane. The support layer of the array has a plurality of circuit traces formed thereon. A plurality of interconnections between the circuit chips and the plurality of traces connect the traces and the circuit chips.
- 摘要翻译：公开了一种用于卫星系统的模块化移动终端，其中卫星系统具有地面站和诸如耦合到地面站的电话网络的网络。每个移动终端具有天线罩层和在其上形成有多个电路迹线的支撑层。元件模块耦合在支撑层和天线罩层之间。每个元件模块包括壳体和具有穿过其中的馈电的辐射贴片。电介质层与辐射贴片相邻耦合。接地平面设置在与作为辐射贴片的电介质层相反侧的电介质层附近。多个电路芯片耦合到接地层。阵列的支撑层具有形成在其上的多个电路迹线。电路芯片和多个迹线之间的多个互连连接迹线和电路芯片。

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- 6. 发明授权
  
  US06667715B1 Signal processing circuit for communicating with a modular mobile satellite terminal and method therefor 有权
- 标题翻译：用于与模块化移动卫星终端通信的信号处理电路及其方法
- 公开(公告)号：US06667715B1
- 公开(公告)日：2003-12-23
- 申请号：US09376941
- 申请日：1999-08-18
- 申请人： Donald C. D. Chang , Urban A. Von Der Embse , Kar W. Yung , John I. Novak, III
- 发明人： Donald C. D. Chang , Urban A. Von Der Embse , Kar W. Yung , John I. Novak, III
- IPC分类号： H01Q322
- CPC分类号： H01Q21/062 , H01Q1/288 , H04B7/18571
- 摘要： A signal processing circuit for satellite communications signal includes a first one dimensional digital beam forming circuit for forming a beam signal in a first direction and a second one dimensional digital beam forming circuit for forming a beam in a second direction. A direction filtering circuit is coupled between the first one dimensional digital beam forming circuit and the second one dimensional digital beam forming circuit. The filtering circuit determining a communications signal direction of the satellite communications signal and tunes the filter to reduce a filter bandwidth and a frequency range of said beam signal prior to processing through the second one dimensional digital beam forming circuit.
- 摘要翻译：用于卫星通信信号的信号处理电路包括用于在第一方向上形成波束信号的第一一维数字波束形成电路和用于在第二方向上形成波束的第二一维数字波束形成电路。方向滤波电路耦合在第一一维数字波束形成电路和第二一维数字波束形成电路之间。所述滤波电路确定所述卫星通信信号的通信信号方向，并调谐所述滤波器以在通过所述第二一维数字波束形成电路进行处理之前降低所述波束信号的滤波器带宽和频率范围。

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- 7. 发明授权
  
  US06501941B1 Method for identifying growth limits of handheld services for mobile satellite communications 有权
- 标题翻译：识别移动卫星通信手持服务增长限制的方法
- 公开(公告)号：US06501941B1
- 公开(公告)日：2002-12-31
- 申请号：US09432440
- 申请日：1999-11-02
- 申请人： Donald C. D. Chang , Kar W. Yung , David C. Cheng , Urban A. Von Der Embse , John I. Novak, III , Frank A. Taormina , Ming U. Chang
- 发明人： Donald C. D. Chang , Kar W. Yung , David C. Cheng , Urban A. Von Der Embse , John I. Novak, III , Frank A. Taormina , Ming U. Chang
- IPC分类号： H04B7185
- CPC分类号： H04B7/18519 , B64G1/1007 , B64G1/242
- 摘要： Methods for increasing the efficiency of satellite constellation operations are disclosed. The steps of the present invention comprise calculating the maximum number of communications signals that each satellite in the satellite constellation can generate, determining an operational constraint on each satellite, the operational constraint limiting the number of communications signals that each satellite can radiate substantially simultaneously, determining an operational space for each satellite wherein the operational space is defined using the operational constraint and the calculated number of signals, and using the operational space for each satellite in the constellation to determine the operational point for the constellation.
- 摘要翻译：公开了提高卫星星座操作效率的方法。本发明的步骤包括计算卫星星座中每个卫星可以产生的通信信号的最大数量，确定每个卫星的操作约束，限制每个卫星可基本上同时辐射的通信信号的数量的操作约束，确定每个卫星的操作空间，其中使用操作约束和所计算的信号数定义操作空间，并且使用星座中的每个卫星的操作空间来确定星座的操作点。

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- 8. 发明授权
  
  US07068733B2 Sampling technique for digital beam former 失效
- 标题翻译：数字波束形成器采样技术
- 公开(公告)号：US07068733B2
- 公开(公告)日：2006-06-27
- 申请号：US09973270
- 申请日：2001-10-05
- 申请人： Donald C. D. Chang , Kar W. Yung , Urban A. Von der Embse
- 发明人： Donald C. D. Chang , Kar W. Yung , Urban A. Von der Embse
- IPC分类号： H04L9/00 , H04B7/185 , H01Q3/26 , H04N11/02
- CPC分类号： H04B7/18515 , H04B7/2041 , H04L1/02
- 摘要： A mobile satellite payload 18 and a method for sampling communication signals 26 are provided. The mobile satellite payload 18 uses a plurality of receive radiating elements 24 within a phase array antenna 22 to convert the communication signals 26 to received signals [S(t)]. A plurality of low noise amplifiers (LNAs) 28 amplify the received signals [S(t)] to then be received by a plurality of analog-to-digital (A/D) converters 29. The A/D converters 29 transform the received signals [S(t)] into digital baseband signals [S″(t)].
- 摘要翻译：提供了一种移动卫星有效载荷18和一种用于采样通信信号26的方法。移动卫星有效载荷18使用相位阵列天线22内的多个接收辐射元件24将通信信号26转换成接收信号[S（t）]。多个低噪声放大器（LNA）28放大接收到的信号[S（t）]，然后由多个模数（A / D）转换器29接收。 A / D转换器29将接收信号[S（t）]变换为数字基带信号[
  
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