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MC-CDMA MULTIPLEXING IN AN ORTHOGONAL UPLINK

  • US 20110064039A1
  • Filed: 09/23/2010
  • Published: 03/17/2011
  • Est. Priority Date: 12/22/2004
  • Status: Active Grant
First Claim
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1. A method for determining estimates of wireless transmissions received at a base station from a plurality of user devices, the wireless transmissions between the user devices and the base station occurring over a plurality of sub-carriers, the method comprising:

  • dividing the plurality of sub-carriers into a plurality of non-overlapping groups of sub-carriers;

    assigning at least one user device to one non-overlapping group of one sub-carrier;

    receiving transmissions from one user device, the user device configured to hop between frequencies over time within the one non-overlapping group of the one sub-carrier; and

    estimating channels from consecutive sub-carriers within the one non-overlapping group using pilot symbols.

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