The effect of F-DPCH on VoIP over HSDPA Capacity

Author

Wänstedt, Stefan ; Ericson, Mårten ; Hévizi, László ; Pettersson, Jonas ; Barta, József

Author_Institution

Ericsson Res. Lulea

Volume

1

fYear

2006

fDate

7-10 May 2006

Firstpage

410

Lastpage

414

Abstract

In WCDMA Rel. 5 HSDPA the fraction of the base station power used for signalling channel overhead is relatively large for low bit-rate services such as VoIP. Examples of such overhead are the high speed shared control channel (HS-SCCH) and the associated dedicated channel (A-DPCH). One remedy is the suggestion of using a fractional dedicated channel (F-DPCH) instead of A-DPCH. In this paper we investigate the impact of power overhead for a system with only VoIP users. The capacity is compared both theoretically and through dynamic radio network simulations. Theoretical and simulated results both show a capacity increase of around 15% when A-DPCH is exchanged by F-DPCH

Keywords

3G mobile communication; Internet telephony; channel capacity; code division multiple access; telecommunication signalling; F-DPCH; HSDPA capacity; VoIP; WCDMA; dynamic radio network; fractional dedicated channel; signalling channel overhead; Base stations; Convergence; Costs; Delay; Internet telephony; Land mobile radio cellular systems; Multiaccess communication; Quality of service; Radio network; Speech;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2006. VTC 2006-Spring. IEEE 63rd

Conference_Location

Melbourne, Vic.

ISSN

1550-2252

Print_ISBN

0-7803-9391-0

Electronic_ISBN

1550-2252

Type

conf

DOI

10.1109/VETECS.2006.1682847

Filename

1682847