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Channel Capacity Analysis over Slow Fading Environment: Unified Truncated Moment Generating Function Approach

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Abstract

A unified approach based on truncated moment generating function (TMGF) is employed to derive the explicit expressions for channel capacity of log-normal channel under different adaptive transmission policy. The analysis is carried out assuming channel state information known to both transmitter and receiver. The efficacy of the approach is based on the fact it yields computationally convenient and efficient results in log-normal fading environment. Based on TMGF, a simple closed form expression for higher order moments of channel capacity for log-normal channels is obtained when channel state information is only known to receiver. Numerical computation in relation to simulation results for varying value of \(\sigma _{ dB}\) over permissible range are carried out to validate the accuracy of derived expressions.

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Author notes

  1. Vineet Khandelwal

    Present address: Jaypee Institute of Information Technology, Noida, U.P, India

Authors and Affiliations

  1. School of Computer and Systems Sciences, Jawaharlal Nehru University, New Delhi, 110067, India

    Vineet Khandelwal &  Karmeshu

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  1. Vineet Khandelwal
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  2. Karmeshu
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Correspondence to Karmeshu.

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Khandelwal, V., Karmeshu Channel Capacity Analysis over Slow Fading Environment: Unified Truncated Moment Generating Function Approach. Wireless Pers Commun 82, 2377–2390 (2015). https://doi.org/10.1007/s11277-015-2353-y

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