Analytic expressions for the Rice Function and the Incomplete Lipschitz-Hankel Integrals

Paschalis Sofotasios, Steven Freear

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    4 Citations (Scopus)

    Abstract

    This paper presents novel analytic expressions for the Rice Ie-function, Ie(k, x), and the incomplete Lipschitz-Hankel Integrals (ILHIs) of the modified Bessel function of the first kind, Iem,n(a, z). Firstly, an exact infinite series and an accurate polynomial approximation are derived for the Ie(k, x) function which are valid for all values of k. Secondly, an exact closed-form expression is derived for the Iem, n(a, z) integrals for the case that n is an odd multiple of 1/2 and subsequently an infinite series and a tight polynomial approximation which are valid for all values of m and n. Analytic upper bounds are also derived for the corresponding truncation errors of the derived series'. Importantly, these bounds are expressed in closed-form and are particularly tight while they straightforwardly indicate that a remarkable accuracy is obtained by truncating each series after a small number of terms. Furthermore, the offered expressions have a convenient algebraic representation which renders them easy to handle both analytically and numerically. As a result, they can be considered as useful mathematical tools that can be efficiently utilized in applications related to the analytical performance evaluation of classical and modern digital communication systems over fading environments, among others.
    Original languageEnglish
    Title of host publication India Conference (INDICON), 2011 Annual IEEE
    DOIs
    Publication statusPublished - 2011
    Publication typeA4 Article in conference proceedings

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