Mixed traffic packet scheduling in UTRAN Long Term Evolution Downlink

Author

Puttonen, Jani ; Kolehmainen, Niko ; Henttonen, Tero ; Moisio, Martti ; Rinne, Mika

Author_Institution

Magister Solutions Ltd., Jyvaskyla

fYear

2008

Firstpage

1

Lastpage

5

Abstract

In this paper we study the packet scheduling of mixed traffic in UTRAN long term evolution downlink. A dynamic packet scheduling (PS) architecture with service classification, queue specific sorting and scheduling algorithms as well as frequency domain PS has been presented to differentiate scheduling of different traffic classes. Simulation results have been provided by using control data, voice-over-IP (VoIP) and best effort (BE) traffic types. The results show that VoIP prioritizing is needed to keep the VoIP UEs satisfied. However, the strict prioritizing decreases the system spectral efficiency to around 70-80% of the pure BE spectral efficiency due to small VoIP packets.

Keywords

3G mobile communication; Internet telephony; scheduling; telecommunication traffic; UTRAN long term evolution downlink; Voice-over-IP; best effort traffic types; control data; frequency domain; mixed traffic packet scheduling; queue specific sorting; service classification; Bit rate; Downlink; Frequency conversion; Frequency domain analysis; Internet telephony; Long Term Evolution; Protocols; Quality of service; Scheduling algorithm; Traffic control;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2008. PIMRC 2008. IEEE 19th International Symposium on

Conference_Location

Cannes

Print_ISBN

978-1-4244-2643-0

Electronic_ISBN

978-1-4244-2644-7

Type

conf

DOI

10.1109/PIMRC.2008.4699599

Filename

4699599