Method of quadrature spreading

Details Method of quadrature spreading Method of quadrature spreading

2001-10-29

2009-11-03

Addy, Thjuan K (Department: 2614)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S320000, C370S335000, C375S141000, C375S146000, C375S147000, C375S148000, C375S150000

Reexamination Certificate

active

07613158

ABSTRACT:
The invention provides a method of quadrature spreading suited for use in a software implementation of a code division multiple access communication (CDMA) system. The method includes providing for a bit of short code, adding a bit of each of N data channels together to obtain a combined channel value (Xin), and performing a spreading operation to obtain a spread channel value.

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