Performance of DS-CDMA over measured indoor radio channels using random orthogonal codes

Author

Chase, Mitchell ; Pahlavan, Kaveh

Author_Institution

Comdisco Syst. Inc., Natick, MA, USA

Volume

42

Issue

4

fYear

1993

fDate

11/1/1993 12:00:00 AM

Firstpage

617

Lastpage

624

Abstract

Direct sequence spread spectrum, with its inherent resistance to multipath interference, has become a commercial reality for indoor wireless communications and has been proposed for personal communication networks. To allow multiple users within the limited bandwidths allocated by the FCC, code-division multiple-access (CDMA) is needed. This paper analyzes the performance of CDMA systems using random orthogonal codes over fading multipath indoor radio channels using channel measurements from five different buildings. The effect of RAKE receiver structure is studied, as is the effect of average power control. The average probability of error as a function of signal-to-noise ratio is used as the performance criteria. Results are compared with models for Rayleigh fading channels

Keywords

code division multiple access; codes; fading; personal communication networks; radio receivers; spread spectrum communication; telecommunication channels; CDMA; DS-CDMA; FCC; RAKE receiver; Rayleigh fading channels; average error probability; average power control; buildings; channel measurements; code-division multiple-access; direct sequence spread spectrum; indoor radio channels; indoor wireless communications; multipath channels; multipath interference; performance; personal communication networks; random orthogonal codes; signal-to-noise ratio; Bandwidth; Electrical resistance measurement; FCC; Fading; Indoor radio communication; Interference; Multiaccess communication; Personal communication networks; Spread spectrum communication; Wireless communication;

fLanguage

English

Journal_Title

Vehicular Technology, IEEE Transactions on

Publisher

ieee

ISSN

0018-9545

Type

jour

DOI

10.1109/25.260749

Filename

260749