Title: Method for Minimizing Total Generalized Squared
Correlation of Synchronous DS-CDMA Signature Sequence Sets in Multipath Channels
Authors: Paul Cotae, Matt Aguirre
Abstract: We characterize the Total Generalized Squared
Correlation (TGSC) for a given signature sequence set used in uplink synchronous
code division multiple access (S-CDMA) when channel state information is known
perfectly at both transmitter and receiver. We give a definition of the TGSC
based on the eigenvalues of Gram matrix associated to signature sequences set
for multipath channels in the presence of the colored noise. Total Squared
Correlation (TSC) and Total Weighted Squared Correlation (TWSC) measures are
particular cases of TGSC. We present a method for minimizing TGSC (TSC, TWSC) in
multipath channels and in the presence of the colored noise. Numerical results
for overloaded synchronous CDMA systems are presented in order to support our
analysis.