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Comparison of direct-sequence spread-spectrum multiple-access systems with QPSK data modulation

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2 Author(s)
Macdonald, T.G. ; Dept. of Electr. & Comput. Eng., Clemson Univ., SC, USA ; Pursley, M.B.

Two forms of quaternary direct sequence spread-spectrum multiple access, also known as code-division multiple access (CDMA), are described and evaluated. One form uses complex quaternary sequences as the spreading sequences, and the corresponding receiver employs a complex correlator and complex processing. The other form uses a pair of binary Gold sequences as the spreading sequences and the receiver employs in-phase and quadrature processing. The probability of symbol error is evaluated for each system

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Military Communications Conference Proceedings, 1999. MILCOM 1999. IEEE  (Volume:1 )

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