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Design of a power-spectrum-based ATM connection admission controller for multimedia communications

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4 Author(s)
Chung-Ju Chang ; Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan ; Chih-Hen Lin ; Dah-Sheng Guan ; Ray-Guang Cheng

This paper proposes a power-spectrum-based connection admission controller design in asynchronous transfer mode (ATM) switches for multimedia communications. The controller contains a power-spectrum-indexed table for managing multimedia call requests, where traffic characteristics of call requests are described by the power spectrum. The power-spectrum can be obtained from the claimed traffic parameters of peak rate, mean rate, and peak rate duration; the power-spectrum has been shown to have a dominant effect on system performance. The results show that the proposed power-spectrum-based connection admission control method achieves higher system utilization and lower call-blocking probability than the equivalent-capacity allocation method

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Industrial Electronics, IEEE Transactions on  (Volume:45 ,  Issue: 1 )