MGF-Based Effective Capacity for Generalized Fading Channels

Zhe Ji; You Zheng Wang; Jian Hua Lu

doi:10.4028/www.scientific.net/AMM.519-520.929

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 519-520MGF-Based Effective Capacity for Generalized...

MGF-Based Effective Capacity for Generalized Fading Channels

Abstract:

In this paper, we study the effective capacity (EC) which was proposed to measure the quality of service (QoS) for fading channels. A unified expression for the effective capacity based on the method of moment generating function (MGF) is proposed. The unified expression applies to various fading channels and is derived for both single antenna and multiple antenna diversity system. The mathematical expression is illustrated with Nakagami-m fading channels and closed form expressions are derived in this case. The simulation results verify the consistence of the closed-form expressions with numerical evaluations.