DocumentCode :
2879547
Title :
Performance of shared and dedicated resources in WCDMA
Author :
Sachs, J. ; Wager, S. ; Wiemann, H.
Author_Institution :
Corp. Unit, Ericsson Eurolab. Deutschland GmbH, Herzogenrath, Germany
Volume :
2
fYear :
2000
fDate :
2000
Firstpage :
759
Abstract :
For data transmission WCDMA offers dedicated transport channels (DCH) and common transport channels, i.e. random access channels (RACH) and forward access channels (FACH). Both types of transport channels have different characteristics in terms of transmission performance and radio resource usage. In this paper these characteristics are described and a simulation model for the performance evaluation is presented. The effect of some parameters influencing the performance and efficiency of the different transport channel types is discussed, e.g. channel configuration, traffic load and traffic characteristics. It is demonstrated that common transport channels provide better performance than dedicated channels for a low traffic load of bursty traffic. For low data volumes they are also more resource efficient. However for an increasing traffic load dedicated channels provide a better service quality and radio resource utilisation
Keywords :
broadband networks; cellular radio; code division multiple access; packet radio networks; quality of service; telecommunication channels; telecommunication traffic; DCH; FACH; RACH; WCDMA; channel configuration; common transport channels; data transmission; dedicated resources; dedicated transport channels; efficiency; forward access channel; radio resource usage; radio resource utilisation; random access channels; service quality; shared resources; traffic characteristics; traffic load; transmission performance; Communication system traffic control; Data communication; Downlink; Interference; Multiaccess communication; Radio access networks; Resource management; Telecommunication traffic; Traffic control; Wideband;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Wireless Communications and Networking Confernce, 2000. WCNC. 2000 IEEE
Conference_Location :
Chicago, IL
ISSN :
1525-3511
Print_ISBN :
0-7803-6596-8
Type :
conf
DOI :
10.1109/WCNC.2000.903950
Filename :
903950
Link To Document :
بازگشت