Outage Probability Analysis of Practical Multiuser Scheduling Schemes with Limited Feedback

Author

Dowhuszko, Alexis A. ; Briones, Graciela Corral ; Hämäläinen, Jyri ; Wichman, Risto

Author_Institution

Lab. of Digital Commun. Res., Nat. Univ. of Cordoba

fYear

2007

fDate

22-25 April 2007

Firstpage

1036

Lastpage

1040

Abstract

This work analyzes the outage probability of fair physical layer schedulers that select a pair of orthogonal users for simultaneous transmission. These schemes rest on finite-rate channel state information compatible with 3GPP specifications and differ with respect to their usage of channel quality indicator in scheduling decisions. Closed-form approximations for the outage probability of these practical transmission schemes are derived. Important outage capacity gains are observed when these multiuser scheduling strategies are compared to the scheme that transmits sequentially to only one user at a time.

Keywords

3G mobile communication; feedback; probability; scheduling; wireless channels; 3GPP specifications; channel quality; fair physical layer schedulers; finite-rate channel state information; limited feedback; outage probability analysis; practical multiuser scheduling schemes; Channel state information; Delay; Digital communication; Downlink; Fading; Feedback; Laboratories; Physical layer; Scheduling algorithm; Throughput;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2007. VTC2007-Spring. IEEE 65th

Conference_Location

Dublin

ISSN

1550-2252

Print_ISBN

1-4244-0266-2

Type

conf

DOI

10.1109/VETECS.2007.221

Filename

4212649