Title :
Direct-sequence multi-carrier CDMA parallel acquisition in a multipath fading channel
Author :
Schäfer, Peter ; Nakagawa, Masao
Author_Institution :
Dept. of Electr. Eng., Keio Univ., Yokohama, Japan
Abstract :
This paper presents a matched filter acquisition scheme for a direct-sequence multi-carrier CDMA system using a small number of orthogonal overlapping carriers. The parallel structure of the multi-carrier system offers interesting possibilities to improve the acquisition time. The acquisition performance is discussed in a multipath fading channel and is compared to that of a single-carrier parallel acquisition scheme as well as a single-carrier serial acquisition scheme. A significant improvement of performance is shown
Keywords :
code division multiple access; fading; matched filters; multipath channels; pseudonoise codes; spread spectrum communication; synchronisation; DS-CDMA; direct-sequence multi-carrier CDMA parallel acquisition; matched filter acquisition scheme; multipath fading channel; orthogonal overlapping carriers; performance; Bandwidth; Delay lines; Detectors; Fading; Frequency synchronization; Interference; Matched filters; Modulation coding; Multiaccess communication; Transmitters;
Conference_Titel :
Communications, 1996. ICC '96, Conference Record, Converging Technologies for Tomorrow's Applications. 1996 IEEE International Conference on
Conference_Location :
Dallas, TX
Print_ISBN :
0-7803-3250-4
DOI :
10.1109/ICC.1996.533660
