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    • 1. 发明申请
      WO03052994A2 HIGH DATA RATE WIRELESS COMMUNICATION SYSTEM 审中-公开
    • HIGH DATA RATE WIRELESS COMMUNICATION SYSTEM
    • 高数据速率无线通信系统
    • WO03052994A2
    • 2003-06-26
    • PCT/US0240614
    • 2002-12-18
    • TREX ENTPR CORP , LOVBERG JOHN , CHEDESTER RICHARD , JOHNSON PAUL , SLAUGHTER LOUIS
    • LOVBERG JOHN , CHEDESTER RICHARD , JOHNSON PAUL , SLAUGHTER LOUIS
    • H04B1/40 , H04B1/52 , H04B10/112 , H04L
    • H04B10/1123 , H04B1/52
    • A high data rate communication system operating at frequencies greater than 70 MHz and at data rates of about 1.25 Gbps or greater. Preferred embodiments include modulators with a resonant LC circuit including a diode which is back-biased for "off' (i.e., no transmit) and forward biased for "on" (or transmit). The modulator is a part of high performance transceivers for wireless, millimeter wave communications links. A preferred embodiment provides a communication link of more than eight miles which operates within the 71 to 76 GHz portion of the millimeter spectrum and provides data transmission rates of 1.25 Gbps with bit error rates of less than 10 . A first transceiver transmits at a first bandwidth and receives at a second bandwidth both within the above spectral range. A second transceiver transmits at the second bandwidth and receives at the first bandwidth. The transceivers are equipped with antennas providing beam divergence small enough to ensure efficient spatial and directional partitioning of the data channels so that an almost unlimited number of transceivers will be able to simultaneously use the same spectrum. In a preferred embodiment the first and second spectral ranges are 71.8+/-0.63 GHz and 73.8+/-0.63 GHz and the half power beam width is about 0.2 degrees or less. Preferably, a backup transceiver set is provided which would take over the link in the event of very bad weather conditions. In other embodiments especially useful for mobile applications at least one of the transceivers include a GPS locator.
    • 高数据率通信系统，工作频率大于70 MHz，数据速率约为1.25 Gbps或更高。 优选实施例包括具有谐振LC电路的调制器，该谐振LC电路包括被反向偏置用于“关闭”（即，不发送）并且被正向偏置用于“导通”（或发送）的二极管。调制器是无线的高性能收发器的一部分 毫米波通信链路。优选实施例提供了超过八英里的通信链路，其在毫米频谱的71至76GHz部分内工作，并且提供1.25Gbps的数据传输速率，误码率小于10 <-10 >第一收发器以第一带宽传输并在上述频谱范围内以第二带宽接收第二收发机以第二带宽发送并以第一带宽进行接收收发机配备有提供小于足够小的波束发散的天线， 确保数据通道的有效的空间和方向分区，使得几乎无限数量的收发器将能够同时使用 相同的光谱。 在优选实施例中，第一和第二光谱范围为71.8 +/- 0.63GHz和73.8 +/- 0.63GHz，半功率波束宽度为约0.2度或更小。 优选地，提供备用收发器组，其在天气条件恶劣的情况下接管链路。 在其他实施例中对于移动应用尤其有用，至少一个收发器包括GPS定位器。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 2. 发明申请
      WO2003052994A3 HIGH DATA RATE WIRELESS COMMUNICATION SYSTEM 审中-公开
    • HIGH DATA RATE WIRELESS COMMUNICATION SYSTEM
    • WO2003052994A3
    • 2003-06-26
    • PCT/US2002/040614
    • 2002-12-18
    • TREX ENTERPRISES CORPORATION , LOVBERG, John , CHEDESTER, Richard , JOHNSON, Paul , SLAUGHTER, Louis
    • LOVBERG, John , CHEDESTER, Richard , JOHNSON, Paul , SLAUGHTER, Louis
    • H04B7/00
    • A high data rate communication system operating at frequencies greater than 70 MHz and at data rates of about 1.25 Gbps or greater. Preferred embodiments include modulators with a resonant LC circuit including a diode which is back-biased for "off' (i.e., no transmit) and forward biased for "on" (or transmit). The modulator is a part of high performance transceivers for wireless, millimeter wave communications links. A preferred embodiment provides a communication link of more than eight miles which operates within the 71 to 76 GHz portion of the millimeter spectrum and provides data transmission rates of 1.25 Gbps with bit error rates of less than 10 -10 . A first transceiver transmits at a first bandwidth and receives at a second bandwidth both within the above spectral range. A second transceiver transmits at the second bandwidth and receives at the first bandwidth. The transceivers are equipped with antennas providing beam divergence small enough to ensure efficient spatial and directional partitioning of the data channels so that an almost unlimited number of transceivers will be able to simultaneously use the same spectrum. In a preferred embodiment the first and second spectral ranges are 71.8+/-0.63 GHz and 73.8+/-0.63 GHz and the half power beam width is about 0.2 degrees or less. Preferably, a backup transceiver set is provided which would take over the link in the event of very bad weather conditions. In other embodiments especially useful for mobile applications at least one of the transceivers include a GPS locator.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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