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Media access protocol for packet access within a radio cell

总结: Lead Inventors: Anthony Acampora, Ph.D. Problem or Unmet Need:In cellular communication systems, it is desirable to use directional antennas to increase the signal-to-noise ratio of the communication link and reduce interference. However, a problem associated with directional antennas in mobile environments is that transmission environment can rapidly change between sequential packet transmissions. The base station must select an appropriate antenna configuration that is adaptive to the signal strength, as received from the mobile user during a time interval closely corresponding to transmission period. Such adoption requires a radio signal from the remote station to the base station on the basis of which antenna configuration can be selected. The technology provides an improved method of signaling between a base station with a directional-bean antenna, and multiple mobile units which provide for pilot signals from the remote units for purposes of rapid antenna adaption.

技术优势: Technology is implemented entirely in software and has low requirements Software can be re-run over time to show new redundant paths and so forth

详细技术说明: The technology provides an improved method of signaling between a base station with a directional-bean antenna, and multiple mobile units which provide for pilot signals from the remote units for purposes of rapid antenna adaption.

*Inquiry: Calvin Chu Columbia Technology Ventures Tel: (212) 854-8444 Email: TechTransfer@columbia.edu

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