Capacity in downlink WCDMA hexagonal and sectorized scenarios using soft handover techniques with SIR-based power control and SSDT

Author

Larrey, Jorge ; Reig, Juan ; Cardona, Narcis

Author_Institution

Univ. Politecnica de Valencia, Spain

Volume

1

fYear

2004

fDate

5-8 Sept. 2004

Firstpage

6

Abstract

In this paper, downlink performance of WCDMA hexagonal and sectorized systems during soft handover mode is analyzed. Signal to interference ratio (SIR) power control techniques are modeled and used in the simulations. The study is focused on finding the optimum soft handover margin in terms of maximum system capacity under E_b/N₀ quality requirements. The capacity and resources allocated (number of codes required) using site selection diversity transmission power control (SSDT) is compared to usual soft handover techniques.

Keywords

3G mobile communication; bandwidth allocation; channel capacity; code division multiple access; power control; SIR-based power control; SSDT; WCDMA; downlink capacity; hexagonal sectorized scenario; maximum system capacity; optimum soft handover margin; resource allocation; signal to interference ratio; site selection diversity transmission; Base stations; Downlink; Fading; Interference; Multiaccess communication; Performance analysis; Power control; Power system modeling; Resource management; Shadow mapping;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on

Print_ISBN

0-7803-8523-3

Type

conf

DOI

10.1109/PIMRC.2004.1370826

Filename

1370826