DocumentCode :
820396
Title :
Soft handoff analysis of hierarchical CDMA cellular systems
Author :
Kim, John Y. ; Stüber, Gordon L. ; Akyildiz, Ian F. ; Chung, Boo-Young
Volume :
54
Issue :
3
fYear :
2005
fDate :
5/1/2005 12:00:00 AM
Firstpage :
1122
Lastpage :
1134
Abstract :
A new soft handoff analysis for hierarchical code-division multiple-access (CDMA) cellular systems is presented. Hierarchical cellular architectures have been proposed to increase cellular system capacity and flexibility. In order to extend such architectures to CDMA-based systems, the performance of soft handoff in hierarchical architectures must be considered. We first develop an analytical method for studying the interference in hierarchical CDMA cellular systems. We then apply the obtained results to a soft handoff analysis model to study the performance of soft handoff in hierarchical architectures. It is observed that dynamic handoff parameter assignment, where parameters are dynamically adjusted according to given interference conditions, offers a more efficient handoff mechanism than fixed handoff parameter assignment.
Keywords :
cellular radio; code division multiple access; radiofrequency interference; CDMA cellular system; code-division multiple-access; interference; soft handoff analysis; Interference; Macrocell networks; Microcell networks; Multiaccess communication; Performance analysis; Power control; Shadow mapping; System performance; Telecommunications; Vehicle dynamics; Active set; carrier-to-interference ratio (CIR); code-division multiple access (CDMA); hierarchical architectures; macrocell; microcell; soft handoff;
fLanguage :
English
Journal_Title :
Vehicular Technology, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9545
Type :
jour
DOI :
10.1109/TVT.2005.844680
Filename :
1433256
Link To Document :
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