Spreading sequence sets with zero and low correlation zone for quasi-synchronous CDMA communication systems

Author

Deng, Xinmin ; Fan, Pingzhi

Author_Institution

Sch. of Comput. & Commun. Eng., Southwest Jiaotong Univ., Chengdu, China

Volume

4

fYear

2000

fDate

2000

Firstpage

1698

Abstract

This paper considers the application of sequences with low correlation zone (LCZ) and zero correlation zone (ZCZ) to quasi-synchronous DS/CDMA communication systems. Several classes of sequences with LCZ and ZCZ are described. Numerical results show that the BER performances of systems using ZCZ sequences and LCZ sequences are comparable with the same number of users and almost the same processing gain. In addition, when the timing error is large, the ZCZ sequences perform better than the LCZ sequences. Analytic results are verified with simulations

Keywords

code division multiple access; correlation theory; error statistics; land mobile radio; sequences; spread spectrum communication; synchronisation; BER performances; DS-CDMA; LCZ sequences; ZCZ sequences; low correlation zone sequences; mobile radio; quasi-synchronous CDMA communication systems; spreading sequence sets; timing error; zero correlation zone sequences; Application software; Autocorrelation; Bit error rate; Code division multiplexing; Communication systems; Multiaccess communication; Multiple access interference; Performance gain; System performance; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2000. IEEE-VTS Fall VTC 2000. 52nd

Conference_Location

Boston, MA

ISSN

1090-3038

Print_ISBN

0-7803-6507-0

Type

conf

DOI

10.1109/VETECF.2000.886114

Filename

886114