Performance comparison of DS-BPSK and DS-QPSK CDMA systems

Author

Huat, Chua Peng

Author_Institution

DSO Nat. Labs., Singapore

Volume

3

fYear

1998

fDate

2-4 Sep 1998

Firstpage

802

Abstract

QPSK (quadrature phase shift keying) has been known to be a bandwidth efficient modulation format. The performances of DS-BPSK (direct sequence binary phase shift keying) and DS-QPSK (direct sequence quadrature phase shift keying) modulation formats in a CDMA (code division multiple access) environment are compared in this study to see if this efficiency is preserved under the above conditions. This comparison study includes the effects of bandpass filtering which is not found in current literature. Parameters of interest are the BER (bit error rate) and the capacity supported

Keywords

band-pass filters; channel capacity; code division multiple access; error statistics; phase shift keying; quadrature phase shift keying; spread spectrum communication; BER; CDMA systems; DS-BPSK; DS-QPSK; bandpass filtering; bandwidth efficient modulation; bandwidth efficieny; bit error rate; capacity; code division multiple access; direct sequence binary phase shift keying; direct sequence quadrature phase shift keying; Additive white noise; Band pass filters; Bandwidth; Bit error rate; Frequency; Gaussian noise; Gold; Interference; Multiaccess communication; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Spread Spectrum Techniques and Applications, 1998. Proceedings., 1998 IEEE 5th International Symposium on

Conference_Location

Sun City

Print_ISBN

0-7803-4281-X

Type

conf

DOI

10.1109/ISSSTA.1998.722488

Filename

722488