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Block radio and adaptive arrays for wireless systems

  • US 5,481,570 A
  • Filed: 10/20/1993
  • Issued: 01/02/1996
  • Est. Priority Date: 10/20/1993
  • Status: Expired due to Term
First Claim
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1. In a system for effecting two-way radio transmission between a master station and plurality of remote stations, the master station including a plurality of space diversity antennas, the improvement comprising,a. respective to each of said antennas:

  • i. a wideband receiver for receiving signals from multiple ones of said remote stations,ii. an analog to digital (A/D) converter for converting the received signals into digitized samples, andiii. a digital signal processing module including(1) a transform module for converting said digitized samples into frequency domain signals, and(2) a weighting module for weighting a respective one of said frequency domain signals; and

    b. common to said plurality of space diversity antennas,i. means for summing the weighted frequency domain signals,ii. an array of inverse transform modules; and

    iii. means responsive to the summed frequency domain signals for separating the weighted frequency domain signals into channel signals and for distributing said channel signals to said array of inverse transform modules.

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