Title :
MMSE delay estimation in CDMA system
Author :
Joutsensalo, Jyrki ; Ristaniemi, Tapani
Author_Institution :
Signal Process. Lab., Tampere Univ. of Technol., Finland
Abstract :
In this paper, we propose an MMSE sense optimal approach for single user code acquisition in the CDMA communication system. It is assumed that the training sequence is sent to the desired user. The method is based on quite similar optimization criterion as that of interference suppressing MMSE demodulators. Using the training signal, the performance can be greatly improved without increasing computational complexity. Simulations show that the method outperforms, e.g. CMOE method, maximum likelihood method, eigenvector-based MUSIC, and matched filter
Keywords :
AWGN channels; code division multiple access; computational complexity; delay estimation; least mean squares methods; mobile radio; optimisation; synchronisation; AWGN channel; CDMA communication system; MMSE sense optimal approach; computational complexity; delay estimation; optimization criterion; single user code acquisition; synchronization; timing acquisition; training sequence; Computational complexity; Computational modeling; Delay estimation; Demodulation; Interference suppression; Matched filters; Maximum likelihood estimation; Multiaccess communication; Multiple signal classification; Optimization methods;
Conference_Titel :
Vehicular Technology Conference, 1999. VTC 1999 - Fall. IEEE VTS 50th
Conference_Location :
Amsterdam
Print_ISBN :
0-7803-5435-4
DOI :
10.1109/VETECF.1999.798427
