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Maximization of carried traffic by prioritizing new call attempts in a CDMA base station with finite receiver processors

Authors
Kim, InsookKim, DongwooKim, Sehun
Issue Date
Jun-2006
Publisher
Oxford University Press
Keywords
prioritized call admission control; CDMA systems
Citation
IEICE Transactions on Communications, v.E89B, no.6, pp 1879 - 1882
Pages
4
Indexed
SCIE
SCOPUS
Journal Title
IEICE Transactions on Communications
Volume
E89B
Number
6
Start Page
1879
End Page
1882
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/44867
DOI
10.1093/ietcom/e89-b.6.1879
ISSN
0916-8516
1745-1345
Abstract
If a certain number of receiver processors (RPs) are reserved exclusively for new calls, some decrease in the probability of blocking new calls (P-n) can be obtained at the expense of increase in dropping handoff calls (P-h). This kind of prioritization has been often considered for handoff calls. Since soft handoff in CDMA systems results in sufficiently low P-h, an idea of prioritizing new calls is interesting when admitting more originating traffic into the system is relatively beneficial, which will be further investigated in this paper. An obvious constraint of the above idea is that P-h should be maintained below a given requirement. We formulate the proposed scheme as a mathematical programming problem and prove it improves the performance in terms of weighted carried traffic. As a result of this work, the prioritization of new calls is shown to possibly improve the traffic-carrying performance of a CDMA base station (BS) while maintaining an acceptable level Of P-h, which can be prespecified by a system engineer.
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COLLEGE OF ENGINEERING SCIENCES > SCHOOL OF ELECTRICAL ENGINEERING > 1. Journal Articles

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ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)
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