Performance Analysis of Terahertz Communications in Random Fog Conditions With Misalignment

In this letter, we consider Terahertz (THz) communications in the presence of pointing error impairments (misalignment) and under random fog conditions. We derive closed-form expressions, in terms of I-function, for the probability density function (PDF) and the cumulative distribution function (CDF...

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Bibliographic Details
Published in:IEEE wireless communications letters 2022-05, Vol.11 (5), p.962-966
Main Author: Badarneh, Osamah S.
Format: Article
Language:English
Subjects:
Beyond 5G
Channel capacity
Closed form solutions
Distribution functions
Exact solutions
Fading channels
Mathematical analysis
Misalignment
Outages
pointing errors
Power system reliability
Probability
Probability density functions
random fog
Receiving antennas
Signal to noise ratio
THz communications
Wireless communication
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Summary:In this letter, we consider Terahertz (THz) communications in the presence of pointing error impairments (misalignment) and under random fog conditions. We derive closed-form expressions, in terms of I-function, for the probability density function (PDF) and the cumulative distribution function (CDF). Then, the PDF and the CDF are employed to derive closed-form expressions for the outage probability, average symbol error rate (SER), and ergodic channel capacity. Additionally, very tight simple approximations in the high signal-to-noise ratio for the outage probability and average SER are provided. The derived expressions are validated through numerical and Monte-Carlo simulation results.
ISSN:2162-2337
2162-2345
DOI:10.1109/LWC.2022.3151745