Threshold-type call control under the outage restriction in a CDMA cellular system

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For a CDMA system with a single carrier, we consider a call control policy at each cell, which gives priority to handoff calls over new calls while meeting the overall call quality. New calls are first under the call control of the threshold type, and then receive services together with the handoff calls but under the outage restriction guaranteeing a pre-specified call quality. An optimization model with such quality-guaranteeing constraints is formulated, which is to determine the threshold value for each cell, minimizing the new call blocking probability. We propose a solution heuristic, with which a number of simulations are conducted under a variety of traffic environments. The computational experiments evaluate the usefulness of our call control scheme in that handoff calls are given an appropriate level of priority while the system capacity is effectively utilized.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2005-09
Language
English
Article Type
Article
Keywords

POWER-CONTROLLED CDMA; ADMISSION CONTROL; NETWORKS; CAPACITY; SOFT

Citation

IEICE TRANSACTIONS ON COMMUNICATIONS, v.E88B, no.9, pp.3701 - 3708

ISSN
0916-8516
DOI
10.1093/ietcom/e88-b.9.3701
URI
http://hdl.handle.net/10203/4264
Appears in Collection
MT-Journal Papers(저널논문)
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