Abstract
As the radio spectrum is a very scarce resource, the Call Admission Control (CAC) is one of the most important parts in radio resource management. The Code Division Multiple Access (CDMA) based next generation wireless communications systems will support the transmission of multimedia traffic, such as voice, video and data, thus the CAC, which can support the multimedia traffic and guarantee the Quality of Service (QoS) of different traffic, has gained broad attention. In this paper, a novel multimedia traffic modeling method and a corresponding dynamic QoS based CAC are proposed. The analysis and simulation results show that the proposed CAC scheme can guarantee the QoS to different traffic demand, and improve the system performance significantly.
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Supported in part by the SWJTU Funding under Grant 2003B006.
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Zhang, D., Fang, X. & Zhu, L. Novel multimedia traffic modeling based CAC scheme for CDMA communication systems. J. of Electron.(China) 24, 39–45 (2007). https://doi.org/10.1007/s11767-005-0096-8
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DOI: https://doi.org/10.1007/s11767-005-0096-8
Key words
- Call Admission Control (CAC)
- Traffic modeling
- Code Division Multiple Access (CDMA)
- Signal-to-Interference Ratio (SIR)
- Quality of Service (QoS)