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System and method for a scale-invariant symbol demodulator

  • US 9,838,091 B2
  • Filed: 11/25/2014
  • Issued: 12/05/2017
  • Est. Priority Date: 11/26/2013
  • Status: Active Grant
First Claim
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1. A method for communicating over a multiple input multiple output (MIMO) channel, the method comprising:

  • transmitting, by a base station (BS), a downlink MIMO signal to a user equipment (UE), wherein the downlink MIMO signal comprises multiple layers communicated directly to the UE in accordance with a phase parameter and a magnitude parameter; and

    signaling, by the BS, the phase parameter to the UE without signaling the magnitude parameter to the UE, wherein both the phase parameter and the magnitude parameter are utilized by the UE to demodulate the downlink MIMO signal, the UE being adapted to estimate the magnitude parameter based at least on an additive white Gaussian noise (AWGN) vector associated with the downlink MIMO signal.

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