Design of user codes in QS-CDMA systems for MUI elimination in unknown multipath
- 1 February 1999
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Communications Letters
- Vol. 3 (2) , 25-27
- https://doi.org/10.1109/4234.749351
Abstract
Low-complexity quasi synchronous CDMA systems are derived for eliminating multi-user interference (MUI) completely in the presence of unknown and even rapidly varying multipath. They rely on judiciously designed precomputable user codes and offer a generalization of orthogonal frequency division multiplexing, especially valuable when carrier frequency errors and Doppler effects are present.Keywords
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