Title :
Random access scheme for the ETSI/UTRA WCDMA
Author :
Frank, Georg ; Weber, Ralf
Author_Institution :
Ericsson Eurolab. Deutschland GmbH, Nurnberg, Germany
Abstract :
This paper introduces the latest random access scheme for ETSI/UTRA wideband CDMA (WCDMA) proposed for UMTS/IMT-2000. Random access transmission can be used simultaneously by multiple mobile stations for initial contact to a base station as well as for packet data transmission. A random access frame structure including preamble is presented which is very efficient with respect to the processing delay as well as data throughput. Performance results for different transmission scenarios in mobile radio environments based on simulations are discussed. Different preamble power settings with and without antenna diversity are analyzed
Keywords :
broadband networks; code division multiple access; data communication; delays; diversity reception; error statistics; land mobile radio; packet radio networks; radio receivers; random processes; signal detection; DS-CDMA; ETSI/UTRA WCDMA; UMTS/IMT-2000; antenna diversity; base station; data throughput; detection probability; interference reduction; mobile radio environments; multiple mobile stations; packet data transmission; performance results; preamble power settings; processing delay; random access frame structure; random access message detection; random access transmission; receiver; simulations; wideband CDMA; 3G mobile communication; Base stations; Data communication; Delay estimation; Error analysis; Europe; Land mobile radio; Multiaccess communication; Telecommunication standards; Wideband;
Conference_Titel :
Vehicular Technology Conference, 1999 IEEE 49th
Conference_Location :
Houston, TX
Print_ISBN :
0-7803-5565-2
DOI :
10.1109/VETEC.1999.780569
