Pilot carrier dot product circuit

Details Pilot carrier dot product circuit Pilot carrier dot product circuit

1994-11-21

1996-04-09

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375324, 370 18, 370 19, 3647505, H04B 1500, H04K 100, H04L 2730

Patent

active

055068650

ABSTRACT:
An method and apparatus for computing a scalar projection of a vector onto another vector. The apparatus comprises a multiplying circuit and a summing circuit. The multiplying circuit is for multiplying a value representative of a first component of a first vector with a value representative of a first component of a second vector to provide a first intermediate value, and for multiplying a value representative of a second component of a first vector with a value representative of a second component of a second vector to provide a second intermediate value. The summing circuit sums the first and second intermediate values to provide a resultant value representative of the scalar projection of the first vector onto the second vector. The apparatus may further comprise a storing circuit and a selection circuit. The storing circuit is for storing the values representative of the first and second components of the first vector, and the values representative of the first and second components of the second vector. The selection circuit provides an ordered supply of these values to the multiplying circuit.

REFERENCES:
patent: 3675129 (1972-07-01), Melvin
patent: 4087752 (1978-05-01), Melvin
patent: 4504923 (1985-03-01), Schlunt et al.
patent: 4866395 (1989-12-01), Hostetter
patent: 4962507 (1990-10-01), Renshaw
patent: 5103459 (1992-04-01), Gilhousen et al.
patent: 5166951 (1992-11-01), Schilling
patent: 5179571 (1993-01-01), Schilling
patent: 5228056 (1993-07-01), Schilling
patent: 5237587 (1993-08-01), Schoolcraft

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