To support the massive data rates demanded by next-generation digital technology, wireless communication systems will need to operate in the terahertz frequency bands, where bandwidth is large and atmospheric temporal dispersion can alter the received value of communication symbols. We present a method, based on prior spectroscopic characterizations of the atmosphere, of calculating the deterministic effects of atmospheric dispersion in terahertz communication, and explore the interaction of dispersion with thermal noise. We also present findings indicating that, due to atmospheric dispersion, traditional narrowband models cannot be used to accurately describe the performance of wireless communication systems at terahertz frequencies.
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