Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 1, 2009
Patent Application Number
10556573
Date Filed
May 6, 2004
Patent Primary Examiner
Patent abstract
A spread spectrum modulator converts input sequences composed of digital symbols into n≧2 spread-spectrum sequences. The spread spectrum modulator can generate spreading code and can combine the spreading code with the input sequences to produce the n spread spectrum sequences for transmission from n respective antennas of a radio transmitter. Each spread spectrum sequence corresponds to a sum of at least two contributions mutually shifted by a time substantially less than the duration of a symbol, each contribution being the product of a version of one of the n input sequences times the spreading code.
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