MGF-Based Effective Capacity for Generalized Fading Channels

Ji, Zhe; Wang, You Zheng; Lü, Jian

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

Cited by 10 publications

(11 citation statements)

References 4 publications

(4 reference statements)

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“…The effective throughput (ET), which is also known as effective capacity is proposed to describe a wireless link aspect as quality‐of‐service metrics for the first time in the literature . Concordantly, the ET performance of different communication networks over various fading environments has been investigated . The ET of composite α − η − μ /gamma fading channel was examined by employing mixture Gamma and a mixture of Gaussian distributions .…”

Section: Introductionmentioning

confidence: 99%

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Effective throughput of alternate rician shadowed fading links

Bilim

2020

IEEJ Transactions Elec Engng

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The performance of effective throughput (ET) over alternate Rician-shadowed fading channels is analyzed. A novel expression for the exact ET is obtained in terms of the Meijer's G function. Moreover, an asymptotic ET expression at the high signalto-noise ratio regime is also derived to gain more insight. In order to prove the correctness of our analytical derivations, some comparisons between the exact simulations and numerical results are presented. The results demonstrate that increasing the value of m shadowing fading is more dominant than the value of K i (i ∈ {1, 2}) Rician parameters since this means a weak shadowing condition.

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Section: Introductionmentioning

confidence: 99%

“…In Ref. , the authors studied the ET performance for generalized fading environments based on moment generating function approximation. Zhang et al .…”

Section: Introductionmentioning

confidence: 99%

Effective throughput of alternate rician shadowed fading links

Bilim

2020

IEEJ Transactions Elec Engng

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“…In [14]- [16], various analytical approaches for the computation of the EC of wireless systems operating over arbitrary generalized fading channels have been presented. These approaches utilize the moment generating function (MGF) to deduce single-integral expressions for the EC.…”

Section: Introductionmentioning

confidence: 99%

Effective Capacity of $L_p$ -Norm Diversity Receivers Over Generalized Fading Channels Under Adaptive Transmission Schemes

Κανελλοπούλου

Peppas

Mathiopoulos

2020

IEEE Trans. Commun.

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This paper presents novel moment generating function (MGF)-and characteristic function (CHF)based frameworks for the EC performance analysis of a generic L p -norm diversity combining scheme under adaptive transmission policies. The considered system operates over generalized fading channels, a maximum delay constraint and under various channel state information (CSI) conditions. Depending upon the operational CSI, four policies are studied, namely: i) Constant power with optimal rate adaptation (ORA); ii) Optimal power and rate adaptation (OPRA); iii) Channel inversion with fixed rate (CIFR); and iv) Truncated CIFR (TIFR). The L p -norm diversity is a generic diversity structure which includes as special cases various well-known diversity schemes, such as equal gain combining (EGC), maximal ratio combining (MRC) and amplify-and-forward (AF) relaying. Under the ORA and OPRA policies, we derive single integral expressions for evaluating the EC of L p -norm diversity reception directly from the MGF or the incomplete MGF of the Signal-to-Noise-Ratio (SNR) at the receiver, respectively. For the EC performance evaluation of the EGC and AF relaying systems operating under the OPRA policy, a CHF-based approach which is computationally more efficient as compared to the MGF-based approach, is further presented. For the CIFR and TIFR policies, it is shown that the EC can be directly evaluated from the MGF or the CHF of the SNR at the receiver, respectively. Moreover, novel closed-form expressions for the EC performance under the ORA policy of dual branch L pnorm diversity receivers operating over Gamma shadowed generalized Nakagami-m fading channels are deduced. For this policy, a novel analytical approach for the asymptotic EC performance analysis is also Part of this work has been published in IEEE 87th Vehicular Technology Conference, 2018 (VTC Spring) [1].February 5, 2019 DRAFT 1 developed and evaluated, revealing how basic system parameters affect the overall system performance.The mathematical formalism is validated with selected numerical and equivalent simulation performance evaluation results, thus confirming the correctness of the proposed analytical methodology. Index TermsAmplify-and-forward transmission, delay constraints, diversity receivers, characteristic function, effective capacity, equal gain combining, fading channels, L p -norm combining, maximal ratio combining, moment generating function.Recently, EC performance studies have been carried out in connection with single-input singleoutput (SISO) systems, multiple-input single-output (MISO) systems with transmit maximal ratio combining (MRC) 1 and relaying systems employing the amplify-and-forward (AF) protocol, e.g. see [7]-[20]. Specifically, in [7], the EC of MISO systems assuming ORA policy and 1The SNR at the output of MISO receivers with transmit MRC is essentially the same as that obtained when MRC is employed in single-input multiple-out (SIMO) systems (divided by a factor equal to the number of transmitting antennas) and as such they will have t...

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“…Introduction: The concept of effective capacity (EC) is introduced to explicitly characterise wireless fading channels in terms of quality-of-service (QoS) metrics such as data rate, delay, and delayviolation probability [1]. In the literature, the EC performance has been analysed over different fading channels and various communication systems [2][3][4][5][6][7]. The EC performance of wireless communication systems over generalised k-m shadowed and a-h-m/gamma fading channels was investigated in [2,3], respectively.…”

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confidence: 99%

“…In [4], the authors employed EC theory to characterise the maximum supported channel capacity over fading channels while considering both QoS constraints and energy consumption. A unified analysis for the EC-based moment generating function approach was proposed in [5,6]. The performance of EC in the context of smart grid communication networks was explored in [7].…”

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confidence: 99%

On the effective capacity of Fisher–Snedecor fading channels

Almehmadi

Badarneh

2018

Electron. lett.

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The performance of the effective capacity metric under Fisher-Snedecor F fading channels is investigated. To this end, a novel exact closed-form expression for the effective capacity is derived. Furthermore, in order to gain more insight, a simple asymptotic expression at the high signal-to-noise ratio regime is also provided. Additionally, expressions for the effective capacity of the Nakagami-m and Rayleigh distributions are deduced from the proposed results as special cases. The analytical results are compared to Monte-Carlo simulations to prove the correctness of the analysis. The results show that fading has a more positive influence on effective capacity performance than shadowing.

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MGF-Based Effective Capacity for Generalized Fading Channels

Cited by 10 publications

References 4 publications

Effective throughput of alternate rician shadowed fading links

Effective throughput of alternate rician shadowed fading links

Effective Capacity of $L_p$ -Norm Diversity Receivers Over Generalized Fading Channels Under Adaptive Transmission Schemes

On the effective capacity of Fisher–Snedecor fading channels

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