Joint Modeling of Received Power, Mean Delay, and Delay Spread for Wideband Radio Channels

Ayush Bharti, Ramoni Ojekunle Adeogun, Xuesong Cai, Wei Fan, Francois-Xavier Briol, Laurent Clavier, Troels Pedersen

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Abstract

We propose a multivariate log-normal distribution to jointly model received power, mean delay, and root mean square (rms) delay spread of wideband radio channels, referred to as the standardized temporal moments. The model is validated using experimental data collected from five different measurement campaigns (four indoor and one outdoor scenario). We observe that the received power, the mean delay, and the rms delay spread are correlated random variables, and therefore, should be simulated jointly. Joint models are able to capture the structure of the underlying process, unlike the independent models considered in the literature. The proposed model of the multivariate log-normal distribution is found to be a good fit for a large number of wideband data-sets.

Original languageEnglish
JournalIEEE Transactions on Antennas and Propagation
ISSN0018-926X
DOIs
Publication statusPublished - 24 Feb 2021

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