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Methods and apparatus for overlapping MIMO antenna physical sectors

  • US 20070202809A1
  • Filed: 02/21/2007
  • Published: 08/30/2007
  • Est. Priority Date: 02/28/2006
  • Status: Active Grant
First Claim
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1. A first wireless cell that provides overlapping MIMO physical sectors positioned at different orientations, the first wireless cell comprising:

  • at least four antennas that each transmits and receives radio signals within a respective physical sector, each one antenna belongs to at most one group of at least two groups, each one group comprises at least two antennas of the first wireless cell, the antennas of each one group are positioned in such a way that the physical sector of each one antenna of each one group partially overlaps the physical sector of all the other antennas of the same group, each one group is positioned in such a way that the physical sector of at least one antenna of each one group at least partially overlaps the physical sector of at least one antenna of at least one other group, wherein a MIMO physical sector is formed in the area where the physical sectors of at least two antennas overlap, and wherein in each one MIMO physical sector at least two antennas operate as a MIMO antenna.

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