发明公开
EP0468688A2 Method and apparatus for providing wireless communications between remote locations 失效
Verfahren und Vorrichtung zur drahtlosen Kommunikation zwischen entfernten Lagen。

  • 专利标题: Method and apparatus for providing wireless communications between remote locations
  • 专利标题(中): Verfahren und Vorrichtung zur drahtlosen Kommunikation zwischen entfernten Lagen。
  • 申请号: EP91306479.6
    申请日: 1991-07-17
  • 公开(公告)号: EP0468688A2
    公开(公告)日: 1992-01-29
  • 发明人: Russell, Jesse EugeneZysman, George Isaac
  • 申请人: AT&T Corp.
  • 申请人地址: 32 Avenue of the Americas New York, NY 10013-2412 US
  • 专利权人: AT&T Corp.
  • 当前专利权人: AT&T Corp.
  • 当前专利权人地址: 32 Avenue of the Americas New York, NY 10013-2412 US
  • 代理机构: Buckley, Christopher Simon Thirsk
  • 优先权: US557873 19900725
  • 主分类号: H04B7/26
  • IPC分类号: H04B7/26 H04B7/155
Method and apparatus for providing wireless communications between remote locations
摘要:
A wireless telecommunication system includes a microwave link between a main base station (100) and a remote reception and radiation site (106) capable of communicating with a plurality of telephone subscriber stations (107, 108). At the main base station (100), radio frequency signals intended for the telephone subscriber stations are modulated on a microwave frequency carrier signal prior their transmission, via a microwave antenna (112), to the remote site. At the remote site (106), the frequencies of the microwave signals, received at a microwave antenna (114), are reduced prior to modulating such frequency-reduced signals on a radio frequency carrier signal and radiating, via a radio frequency antenna (115), the modulated radio signals out of the site. All radio signals received at the remote site from telephone subscriber stations are modulated on a microwave carrier signal prior to their transmission, via a microwave antenna (114), to the main base station (100). At the main base station (100), the frequencies of the incoming microwave signals are reduced prior to modulating such frequency-reduced signals on a radio frequency carrier signal and coupling the modulated radio signals to a receiver.
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