Perturbation study on MOE-based multiuser detection

Author

Xu, Zhengyuan

Author_Institution

Dept. of Electr. Eng., California Univ., Riverside, CA, USA

Volume

2

fYear

2001

fDate

4-7 Nov. 2001

Firstpage

1733

Abstract

The minimum output energy (MOE) receiver has been developed for multiuser detection. Its performance has been shown to be very close to the minimum mean square error (MMSE) receiver at high signal to noise ratio (SNR). However due to additive noise, the constraint vector required to construct the MOE receiver becomes a biased estimated channel vector. Thus the receiver is also perturbed. In addition to the noise, other factors affect the receiver´s performance as well. Effects from such factors as finite number of data samples and channel order overestimation are studied in this paper based on perturbation theory.

Keywords

identification; mobile radio; multiuser channels; perturbation theory; radio receivers; signal detection; MOE receiver; SNR; additive noise; biased estimated channel vector; channel order overestimation; constraint vector; finite data samples; minimum output energy; multiuser detection; performance; perturbation theory; perturbed receiver; signal to noise ratio; AWGN; Additive noise; Additive white noise; Constraint optimization; Gaussian noise; Interference; Mean square error methods; Multiuser detection; Performance loss; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals, Systems and Computers, 2001. Conference Record of the Thirty-Fifth Asilomar Conference on

Conference_Location

Pacific Grove, CA, USA

ISSN

1058-6393

Print_ISBN

0-7803-7147-X

Type

conf

DOI

10.1109/ACSSC.2001.987781

Filename

987781