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Study on the Call Admission Control in the Broadband OFDMA Wireless Communication Systems  

Paik, Chun-Hyun (Department of Industrial and Management Engineering, Dongeui University)
Publication Information
Journal of Korean Institute of Industrial Engineers / v.34, no.4, 2008 , pp. 445-459 More about this Journal
Abstract
This paper addresses a call admission control(CAC) scheme giving handoff calls a priority over new calls for OFDMA wireless communication systems. The characteristics of OFDMA system and a variety of user QoS (Quality of Service) requirements are incorporated into the proposed CAC scheme which consists of several optimization modules for the system resource(subcarriers and power) allocations. The mathematical models and its solution methods for the embedded resource allocation problems are proposed. Some extensive computational experiments are conducted to illustrate the superiority of our CAC.
Keywords
Call Admission Control; Wireless Communication System; Quality of Service; Mathematical Model;
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Times Cited By KSCI : 1  (Citation Analysis)
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