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Capacity of log-normal fading channels

Published: 12 August 2007 Publication History

Abstract

This paper investigates the capacity of log-normal fading channels with receiver channel state information. We provide a closed-form expression for the ergodic capacity of the log-normal fading channel. Since the developed expression involves an infinite series, we show that the error that results from the truncation of this series is insignificant. Relying on the fact that the sum of log-normal Random Variables (RV) is well approximated by another log-normal RV, we further apply the obtained results to find the capacity of correlated log-normal fading channels with Maximum Ratio Combining and Equal Gain Combining. The analytical expressions obtained match perfectly the capacity given by simulations.

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cover image ACM Conferences
IWCMC '07: Proceedings of the 2007 international conference on Wireless communications and mobile computing
August 2007
716 pages
ISBN:9781595936950
DOI:10.1145/1280940
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 12 August 2007

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Author Tags

  1. channel capacity
  2. equal gain combining
  3. log normal distributions
  4. maximum ratio combining

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  • (2023)Spectral Efficiency of Different Diversity Combiners Under Log-Normal Shadowing Channels- A Review2023 International Conference on Computer, Electronics & Electrical Engineering & their Applications (IC2E3)10.1109/IC2E357697.2023.10262509(1-5)Online publication date: 8-Jun-2023
  • (2018)BER analysis and capacity evaluation of FSO system using hybrid subcarrier intensity modulation with receiver spatial diversity over log-normal and gamma–gamma channel modelOptical and Quantum Electronics10.1007/s11082-018-1499-850:6Online publication date: 16-May-2018
  • (2017)An Accurate Computational Tool for Performance Estimation of FSO Communication Links over Weak to Strong Atmospheric Turbulent ChannelsComputation10.3390/computation50100185:4(18)Online publication date: 18-Mar-2017
  • (2016)Statistical model of channel capacity for MRC combiner in log normal fading channels2016 11th International Conference on Industrial and Information Systems (ICIIS)10.1109/ICIINFS.2016.8262972(393-398)Online publication date: Dec-2016
  • (2015) Outage capacity evaluation of extended generalized- fading channel in the presence of random blockage Journal of the Franklin Institute10.1016/j.jfranklin.2015.07.008352:10(4610-4623)Online publication date: Oct-2015
  • (2013)Performance improvement of free space optical communication by extracting channel state information from the reference light2013 International Conference on Communication and Signal Processing10.1109/iccsp.2013.6577025(106-110)Online publication date: Apr-2013
  • (2013)Improving the availability of terrestrial FSO links over log normal atmospheric turbulence channels using dispersive chirped Gaussian pulsesOptics & Laser Technology10.1016/j.optlastec.2013.06.00854(329-334)Online publication date: Dec-2013
  • (2012)Capacity analysis of LMF channels under different adaptation policies with and without diversity combiningProceedings of the International Conference on Advances in Computing, Communications and Informatics10.1145/2345396.2345507(678-682)Online publication date: 3-Aug-2012
  • (2012)Spectrum Efficiency of Lognormal Fading Channels under Different Adaptation Policies with MRC DiversityWireless Networks and Computational Intelligence10.1007/978-3-642-31686-9_11(93-99)Online publication date: 2012
  • (2010)Availability Modeling of FSO/RF Mesh Networks through Turbulence-Induced Fading Channels2010 INFOCOM IEEE Conference on Computer Communications Workshops10.1109/INFCOMW.2010.5466617(1-5)Online publication date: Mar-2010
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