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1. 发明授权

US07633895B2 Orthogonal code division multiple access on return link of satellite links 有权
标题翻译：卫星链路返回链路上的正交码分多址
公开(公告)号：US07633895B2
公开(公告)日：2009-12-15
申请号：US10428953
申请日：2003-05-01
申请人： Leonard N. Schiff , Ahmad Jalali
发明人： Leonard N. Schiff , Ahmad Jalali
IPC分类号： H04B7/212
CPC分类号： H04B7/216 , H04B7/18543 , H04B2201/70702 , Y02D70/446
摘要： Orthogonal CDMA (OCDMA) in the return link of a satellite based communications system provides improved bandwidth efficiencies; increased ability to overcome channel degrading phenomenon; reduced transmission power; or various combinations thereof. By achieving code synchronization needed for advantageous use of OCDMA in the return link of a satellite based communication system, a plurality of terminals, each with a unique time slot/code channel assignment, may transmit concurrently, with the same, or lower, aggregate power as would be used by a single terminal using TDMA. Use of OCDMA in the return link allows one or more terminals, each in a common beam and assigned a common time slot, to transmit at a higher transmission power to overcome channel degradation effects. The ability to allow for higher transmission power for a particular terminal can increase the effective data rate for that terminal by enabling the use of a higher order modulation technique.
摘要翻译：基于卫星通信系统的返回链路中的正交CDMA（OCDMA）提供了改进的带宽效率; 增强克服渠道退化现象的能力; 降低发射功率; 或其各种组合。通过实现在基于卫星的通信系统的返回链路中有利地使用OCDMA所需的代码同步，每个具有唯一的时隙/码信道分配的终端可以以相同或更低的总功率同时发送如将由使用TDMA的单个终端使用的那样。在返回链路中使用OCDMA允许一个或多个终端，每个在公共波束中并且分配公共时隙，以更高的发射功率发射以克服信道劣化效应。允许特定终端的较高发射功率的能力可以通过使用更高阶调制技术来增加该终端的有效数据速率。

2. 发明授权

US09882630B2 Overlaying an air to ground communication system on spectrum assigned to satellite systems 有权
公开(公告)号：US09882630B2
公开(公告)日：2018-01-30
申请号：US13210628
申请日：2011-08-16
申请人： Ahmad Jalali , Leonard N. Schiff , William G. Ames
发明人： Ahmad Jalali , Leonard N. Schiff , William G. Ames
IPC分类号： H04B7/185 , H04W16/14 , H04W36/30 , H04W36/20
CPC分类号： H04B7/18508 , H04B7/18502 , H04W16/14 , H04W36/20 , H04W36/30
摘要： An air to ground communication system provides internet access to aircraft from ground based stations. The air to ground system shares spectrum with uplink portions of a satellite communication spectrum. Interference mitigation techniques are employed to avoid interference between the ground based communications and satellite communications. Fade mitigation techniques are employed to provide communication to aircraft at low angles of elevation in the presence of rain.

3. 发明授权

US09319172B2 Interference mitigation techniques for air to ground systems 有权
标题翻译：空对地系统的干扰减轻技术
公开(公告)号：US09319172B2
公开(公告)日：2016-04-19
申请号：US13550071
申请日：2012-07-16
申请人： Ahmad Jalali , Bin Tian , Leonard N. Schiff , William G. Ames
发明人： Ahmad Jalali , Bin Tian , Leonard N. Schiff , William G. Ames
IPC分类号： H04W4/00 , H04L1/00 , H04W16/14 , H01Q3/24 , H04B7/185 , H04B7/06 , H01Q1/28 , H01Q13/02 , H01Q21/06 , H01Q25/00 , H01Q3/26 , H04W52/24
CPC分类号： H04L1/0001 , H01Q1/282 , H01Q3/24 , H01Q3/26 , H01Q13/02 , H01Q21/064 , H01Q25/00 , H04B7/0617 , H04B7/18506 , H04L1/0002 , H04L1/0009 , H04L1/0034 , H04L1/0071 , H04W16/14 , H04W52/24 , Y02D50/10
摘要： A method for air to ground communication interference mitigation within an aircraft equipped with a multi-beam array antenna includes adjusting a modulation symbol interleaving and/or forward error correction of an aircraft receiver interface in response to detected interference from an interferer. The method further includes reducing a data rate of the aircraft receiver interface when the adjusting of the modulation symbol interleaving and/or forward error correction does not mitigate the detected interference. Another method for interference mitigation may include performing antenna beam-steering away from a geographic (GEO) arc during an aircraft turn. This method further includes reducing an aircraft transmitter transmit power when a signal quality of a forward link is within a predetermined range of a signal quality threshold.
摘要翻译：一种配备有多光束阵列天线的飞机内的空对地通信干扰减轻的方法包括响应于来自干扰源的检测到的干扰来调整飞行器接收机接口的调制符号交织和/或前向纠错。该方法还包括当调制符号交错和/或前向纠错的调整不减轻检测到的干扰时，降低飞机接收机接口的数据速率。用于干扰减轻的另一种方法可以包括在飞机转弯期间远离地理（GEO）弧进行天线波束控制。该方法还包括当前向链路的信号质量在信号质量阈值的预定范围内时，减少飞行器发射机发射功率。

4. 发明申请

US20120200458A1 GROUND STATION ANTENNA ARRAY FOR AIR TO GROUND COMMUNICATION SYSTEM 审中-公开
标题翻译：地面站天线阵列，用于空中接地通信系统
公开(公告)号：US20120200458A1
公开(公告)日：2012-08-09
申请号：US13168623
申请日：2011-06-24
申请人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
发明人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
IPC分类号： H01Q3/00
CPC分类号： H04W52/241 , H01Q1/2291 , H01Q1/246 , H01Q1/28 , H01Q3/24 , H01Q3/26 , H01Q13/02 , H01Q21/062 , H01Q21/205 , H01Q25/00 , H04B7/18506 , H04W84/005
摘要： A ground station antenna array includes a first array of antenna elements. A second array of antenna elements are vertically aligned with the first array of antenna elements. The first array of antenna elements and the second array of antenna elements are coupled to the digital beam forming circuitry and each cover a same sector of azimuth; the first array of antenna elements only covering a first elevation; the second array of antenna elements only covering a second lower elevation. The digital beam forming circuitry directs a radiation pattern of the first array of antenna elements in a first range of elevation angles, and directs a radiation pattern of the second array of antenna elements in a second range of elevation angles. The second array of antenna elements has higher gain than the first array. A respective transceiver is coupled to respective antenna elements of the first and second arrays.
摘要翻译：地面站天线阵列包括天线元件的第一阵列。天线元件的第二阵列与天线元件的第一阵列垂直对准。天线元件的第一阵列和第二天线元件阵列耦合到数字波束形成电路，并且每个覆盖相同的方位角; 天线元件的第一阵列仅覆盖第一高度; 天线元件的第二阵列仅覆盖第二较低高度。数字波束形成电路在第一仰角范围内引导天线元件的第一阵列的辐射图案，并且在第二仰角范围内引导天线元件的第二阵列的辐射图。天线元件的第二阵列具有比第一阵列更高的增益。相应的收发器耦合到第一和第二阵列的相应天线元件。

5. 发明授权

US09295006B2 Real-time calibration of an air to ground communication system 有权
标题翻译：实时校准空对地通信系统
公开(公告)号：US09295006B2
公开(公告)日：2016-03-22
申请号：US13168617
申请日：2011-06-24
申请人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
发明人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
IPC分类号： H04M1/00 , H04B15/00 , H04B7/00 , H04W52/24 , H01Q1/22 , H01Q1/24 , H01Q1/28 , H01Q3/24 , H01Q3/26 , H01Q13/02 , H01Q21/06 , H01Q21/20 , H01Q25/00 , H04B7/185 , H04W84/00
CPC分类号： H04W52/241 , H01Q1/2291 , H01Q1/246 , H01Q1/28 , H01Q3/24 , H01Q3/26 , H01Q13/02 , H01Q21/062 , H01Q21/205 , H01Q25/00 , H04B7/18506 , H04W84/005
摘要： A method for real-time calibration of an air to ground two-way communication system. The method includes calibrating a ground base station antenna array according to forward link calibration coefficients received from an aircraft as part of a communication signaling protocol during operation of the air to ground two-way communication system. The method may also includes communicating between the ground base station antenna array and the aircraft over a narrow beam.
摘要翻译：一种空对地双向通信系统的实时校准方法。该方法包括在空对地双向通信系统的操作期间，根据从飞机接收的前向链路校准系数校准地面基站天线阵列作为通信信令协议的一部分。该方法还可以包括在窄波束上的地面基站天线阵列和飞行器之间的通信。

6. 发明授权

US08676192B2 High data rate aircraft to ground communication antenna system 有权
标题翻译：高数据速率飞机到地面通信天线系统
公开(公告)号：US08676192B2
公开(公告)日：2014-03-18
申请号：US13168538
申请日：2011-06-24
申请人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
发明人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
IPC分类号： H04W4/00
CPC分类号： H04W52/241 , H01Q1/2291 , H01Q1/246 , H01Q1/28 , H01Q3/24 , H01Q3/26 , H01Q13/02 , H01Q21/062 , H01Q21/205 , H01Q25/00 , H04B7/18506 , H04W84/005
摘要： A method for ground to air communication includes receiving a first pilot signal on a first wide beam from a first ground base station by a first antenna element covering a first range of azimuth angles from an aircraft. Data is received on a directed data beam from the first ground base station by the first antenna element. A second pilot signal is received on a second wide beam from a second ground base station by a second antenna element covering a second range of azimuth angles different than the first range of azimuth angles. A signal strength of the second pilot signal is compared with a signal strength of the first pilot signal. Data reception is switched from the first antenna element to the second antenna element if the signal strength of the second pilot signal is greater than the signal strength of the first pilot signal.
摘要翻译：一种用于地对空通信的方法包括：通过第一天线元件从第一地面基站接收来自飞机的第一方位角范围的第一宽波束上的第一导频信号。通过第一天线元件在来自第一地面基站的有向数据波束上接收数据。第二导频信号通过第二天线元件在第二地面基站的第二宽波束上被接收，该第二天线元件覆盖与第一方位角范围不同的第二方位角范围。将第二导频信号的信号强度与第一导频信号的信号强度进行比较。如果第二导频信号的信号强度大于第一导频信号的信号强度，则数据接收从第一天线元件切换到第二天线元件。

7. 发明申请

US20120202430A1 HIGH DATA RATE AIRCRAFT TO GROUND COMMUNICATION ANTENNA SYSTEM 有权
标题翻译：高数据速率飞机到地面通信天线系统
公开(公告)号：US20120202430A1
公开(公告)日：2012-08-09
申请号：US13168538
申请日：2011-06-24
申请人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
发明人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
IPC分类号： H04B15/00 , H04B7/00 , H04W52/04 , H01Q3/00
CPC分类号： H04W52/241 , H01Q1/2291 , H01Q1/246 , H01Q1/28 , H01Q3/24 , H01Q3/26 , H01Q13/02 , H01Q21/062 , H01Q21/205 , H01Q25/00 , H04B7/18506 , H04W84/005
摘要： A method for ground to air communication includes receiving a first pilot signal on a first wide beam from a first ground base station by a first antenna element covering a first range of azimuth angles from an aircraft. Data is received on a directed data beam from the first ground base station by the first antenna element. A second pilot signal is received on a second wide beam from a second ground base station by a second antenna element covering a second range of azimuth angles different than the first range of azimuth angles. A signal strength of the second pilot signal is compared with a signal strength of the first pilot signal. Data reception is switched from the first antenna element to the second antenna element if the signal strength of the second pilot signal is greater than the signal strength of the first pilot signal.
摘要翻译：一种用于地对空通信的方法包括：通过第一天线元件从第一地面基站接收来自飞机的第一方位角范围的第一宽波束上的第一导频信号。通过第一天线元件在来自第一地面基站的有向数据波束上接收数据。第二导频信号通过第二天线元件在第二地面基站的第二宽波束上被接收，该第二天线元件覆盖与第一方位角范围不同的第二方位角范围。将第二导频信号的信号强度与第一导频信号的信号强度进行比较。如果第二导频信号的信号强度大于第一导频信号的信号强度，则数据接收从第一天线元件切换到第二天线元件。

8. 发明申请

US20120202418A1 REAL-TIME CALIBRATION OF AN AIR TO GROUND COMMUNICATION SYSTEM 有权
标题翻译：实时校准空中接地通信系统
公开(公告)号：US20120202418A1
公开(公告)日：2012-08-09
申请号：US13168617
申请日：2011-06-24
申请人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
发明人： Ahmad Jalali , Mohammad A. Tassoudji , Ernest T. Ozaki , William G. Ames , Leonard N. Schiff
IPC分类号： H04W4/04
CPC分类号： H04W52/241 , H01Q1/2291 , H01Q1/246 , H01Q1/28 , H01Q3/24 , H01Q3/26 , H01Q13/02 , H01Q21/062 , H01Q21/205 , H01Q25/00 , H04B7/18506 , H04W84/005
摘要： A method for real-time calibration of an air to ground two-way communication system. The method includes calibrating a ground base station antenna array according to forward link calibration coefficients received from an aircraft as part of a communication signaling protocol during operation of the air to ground two-way communication system. The method may also includes communicating between the ground base station antenna array and the aircraft over a narrow beam.
摘要翻译：一种空对地双向通信系统的实时校准方法。该方法包括在空对地双向通信系统的操作期间，根据从飞机接收的前向链路校准系数校准地面基站天线阵列作为通信信令协议的一部分。该方法还可以包括在窄波束上的地面基站天线阵列和飞行器之间的通信。

9. 发明授权

US07933215B2 Synchronization on reverse link of mobile mode communications systems 有权
标题翻译：移动通信系统反向链路同步
公开(公告)号：US07933215B2
公开(公告)日：2011-04-26
申请号：US10860883
申请日：2004-06-03
申请人： Leonard N. Schiff , Ahmad Jalali , Wei Shi
发明人： Leonard N. Schiff , Ahmad Jalali , Wei Shi
IPC分类号： H04L12/26
CPC分类号： H04B7/18513 , H04B7/18543
摘要： Methods and apparatus are disclosed to provide orthogonal multiple access communication in a return link of a satellite communication system. In one embodiment, a closed loop control of a transmit parameter associated with transmission of signals may be performed. In addition, changes in motion of a terminal are monitored such that an open loop control of the transmit parameter is performed, if the detected change meets a certain threshold. For example, an open control is performed if an abrupt or sudden motion is detected.
摘要翻译：公开了在卫星通信系统的返回链路中提供正交多址通信的方法和装置。在一个实施例中，可以执行与信号传输相关联的传输参数的闭环控制。此外，如果检测到的变化满足一定阈值，则监视终端的运动变化，使得执行发送参数的开环控制。例如，如果检测到突然或突然的运动，则执行打开控制。

10. 发明授权

US08848548B2 Internet radio broadcast using cellular 有权
标题翻译：互联网广播使用蜂窝
公开(公告)号：US08848548B2
公开(公告)日：2014-09-30
申请号：US12535537
申请日：2009-08-04
申请人： Ahmad Jalali , Leonard N. Schiff , William G. Ames
发明人： Ahmad Jalali , Leonard N. Schiff , William G. Ames
IPC分类号： H04L12/26 , H04N21/6405 , H04L29/06 , H04W28/12 , H04L12/801 , H04W28/22 , H04N21/414 , H04L12/853 , H04L12/825 , H04N21/61 , H04N21/44 , H04N21/6408 , H04L12/835 , H04N21/234 , H04N21/6373 , H04W4/06 , H04H60/91 , H04H20/71 , H04W24/00 , H04W8/24
CPC分类号： H04N21/23406 , H04H20/71 , H04H60/91 , H04L47/10 , H04L47/14 , H04L47/15 , H04L47/2416 , H04L47/263 , H04L47/30 , H04L65/4076 , H04N21/41407 , H04N21/44004 , H04N21/6125 , H04N21/6131 , H04N21/6373 , H04N21/6405 , H04N21/6408 , H04W4/06 , H04W8/24 , H04W24/00 , H04W28/12 , H04W28/22 , Y10T70/5969 , Y10T70/7774
摘要： Aspects describe utilizing the Internet capability in mobile devices/networks to deliver broadcast multimedia to a device. The broadcast can be video, audio, and so forth. Initially the broadcast multimedia is transmitted at high data rates (and in unicast mode) in order for a buffer associated with mobile device to be built to a very long buffer length. When the long buffer length is reached, the multimedia can be delivered at real-time rates. The multimedia delivered at real times rates can be unicast mode or in multicast mode. If the buffer is depleted, a mobile device that is part of a multicast group can autonomously disassociated from the group until the buffer length is restored.
摘要翻译：方面描述了利用移动设备/网络中的互联网能力将广播多媒体传送到设备。广播可以是视频，音频等等。最初，以高数据速率（和单播模式）发送广播多媒体，以便将与移动设备相关联的缓冲器构建到非常长的缓冲器长度。当达到长缓冲区长度时，多媒体可以实时传送。以实时速率传送的多媒体可以是单播模式或组播模式。如果缓冲区耗尽，作为组播组的一部分的移动设备可以自动地从组中解除关联，直到缓冲区长度恢复。

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