Pulse or digital communications – Spread spectrum
Reexamination Certificate
2005-06-06
2009-10-13
Payne, David C (Department: 2611)
Pulse or digital communications
Spread spectrum
Reexamination Certificate
active
07602833
ABSTRACT:
Provided is a spreading code generating apparatus using a jacket matrix, a method thereof, and a code channel spreading device using the same. The present research provides an apparatus for generating a spread quasi-orthogonal function, which is a spreading code, by using a jacket matrix and a known short bent sequence, a method thereof, and a code channel spreading device that can acquire a minimum level of transmission power and a fine multiple access error probability in a multi-user system. The apparatus includes: a spreading code generating block for generating a spreading code by using a jacket matrix; and a spreading block for spreading external user data by using the spreading code, wherein the jacket matrix is an orthogonal matrix where an inverse matrix for a square matrix of a predetermined size having elements without zero includes inverses and transposes on an element basis.
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Hou Jia
Lee Moon-Ho
Bolourchi Nader
Electronics and Telecommunications Research Institute
Industrial Cooperation Chonbuk National University
Lowe Hauptman & Ham & Berner, LLP
Payne David C
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