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Transmitter, receiver and transceiver apparatus

  • US 6,583,767 B1
  • Filed: 12/01/2000
  • Issued: 06/24/2003
  • Est. Priority Date: 06/09/1998
  • Status: Expired due to Fees
First Claim
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1. Transceiver apparatus for use in a mesh of interconnected nodes in which each node comprises said transceiver apparatus and communicates with other nodes in the mesh via point-to-point substantially unidirectional radio transmissions, the apparatus comprising:

  • a plurality of sets of substantially unidirectional antennas;

    each set of antennas having a single respective radio subsystem;

    each of the plurality of radio subsystems having a respective switch, each of said switches being constructed and arranged to switch a radio output of its radio subsystem at a particular time instant to one of the antennas in the set to which the radio subsystem is connected so that a radio signal output by the radio subsystem is transmitted by said antenna at said particular time instant, each of said switches being constructed and arranged to switch a radio input of its radio subsystem at another particular time instant to one of the antennas in the set to which the radio subsystem is connected so that a signal received by said antenna is passed as an input to the radio subsystem at said another particular time instant.

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