Traffic management in a multicode CDMA system supporting soft handoffs

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A traffic management scheme is proposed in a multicode code-division multiple-access system supporting soft handoff that uses guard channels and a queue for real-time traffic. Preemptive queue control gives priority to queued handoff calls. Handoff traffic is derived as a function of the new call arrival rate, the size of the soft handoff region, mobile speed, the new call blocking probability, and the handoff failure probability. System performance with K types of calls is analyzed by introducing a concept of effective channel. The effects of the number of guard channels, the number of effective channels, system capacity, and other factors are numerically investigated. The effectiveness of the proposed queue control scheme is also observed in terms of handoff processing delay.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2002-01
Language
English
Article Type
Article
Keywords

PERFORMANCE ANALYSIS

Citation

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.51, no.1, pp.52 - 62

ISSN
0018-9545
URI
http://hdl.handle.net/10203/85261
Appears in Collection
EE-Journal Papers(저널논문)
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