A new closed-form of ASEP and channel capacity with MRC and selection combining over Inverse Gaussian shadowing |
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| Affiliation: | 1. School of Communication and Electronic Engineering, Qingdao University of Technology, Huangdao District, 266500 Qingdao, China;2. School of Civil Engineering, Qingdao University of Technology, Shibei District, 266033 Qingdao, China;1. Department of Communication Engineering, College of Electronic Communication, Shandong University of Science and Technology, Qingdao, Shandong 266590, China;2. The Dean''s Office of Education, Shandong University of Science and Technology, Qingdao, Shangdong 266590, China |
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| Abstract: | This paper analyse and investigate the performance of communication system with maximal ratio combining (MRC) and selection combining (SC) over Inverse Gaussian (IG) fading distribution. All formats of coherent and non-coherent modulation schemes are considered and novel analytical expressions of average symbol error probability (ASEP) with diversity are derived. Gamma and IG fading distributions are popularly used as a mathematically less complex solution to lognormal in the open literature. Hence, we provide a comparative analysis between IG and gamma fading with the aim to provide a quantitative measure of the difference between the two distributions in the context of ASEP. Moreover, the novel closed-form expressions of channel capacity under transmission schemes such as optimal rate adaptation (ORA) and channel inversion fixed rate (CIFR) are derived and analysed with MRC and SC diversity over IG fading. The analytical results have been validated with the Monte Carlo simulations and the exact numerical results. |
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| Keywords: | Channel fading Probability distribution function Average symbol error probability Channel capacity Diversity |
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