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Performance of a Wireless Communication System

  • US 20100067505A1
  • Filed: 03/19/2009
  • Published: 03/18/2010
  • Est. Priority Date: 11/10/2003
  • Status: Active Grant
First Claim
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1. A device to be used in a wireless communication system with CSMA-based MAC, comprising:

  • means for transmitting at least a first and a second RTS message and at least a first and a second data packet on a transmission medium, and a spatially selective antenna, wherein said second RTS message is transmitted after said first RTS message and before said transmission of said first data packet is finished, wherein said at least first and second data packet are transmitted on said transmission medium at least partially in parallel, and wherein said device is adapted to use said spatially selective antenna to direct a transmission null towards a first station for the transmission of said second RTS message, to direct a transmission peak towards said first station for the transmission of said first data packet, and to direct a transmission peak towards a second station for the transmission of said second data packet.

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