Receiver Designs for Low-Latency HF Communications

Arikan, Toros; Singer, Andrew C.

doi:10.1109/twc.2020.3046475

Cited by 6 publications

(1 citation statement)

References 27 publications

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“…One particular use case that we have found for FBMC-SS waveform, with many advantages over the existing waveforms, is communications through high-frequency (HF) skywave channels, [8], where reflections of the electromagnetic waves from layers of ionosphere are used to establish communications over hundreds or thousands of kilometers. In recent years, this method of communications have been found useful for variety of applications, including internet of things [9], low-latency communications [10], and many disaster scenarios [11], [12].…”

Section: Introductionmentioning

confidence: 99%

Multicode Signaling in a Filter Bank Multicarrier Spread Spectrum System and Its Application to HF Communications

Haab

Sego

Holschuh

et al. 2023

IEEE Open J. Commun. Soc.

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The use of filter banks for implementing multicarrier spread spectrum systems leads to a class of effective waveforms that are highly resilient to partial-band interferers. Such waveforms can be also designed to keep the peak-to-average power ratio (PAPR) of the resulting signal at a minimum level. The use of multiple spreading gain vectors (known as multicodes), on the other hand, is an effective method for increasing the data rate in spread spectrum systems, in general. This paper presents a detailed analysis of a class of filter bank multicarrier spread spectrum (FBMC-SS) waveforms and demonstrates an effective receiver implementation of them when multicodes are applied. Application of the developed multicode waveform for communications over high-frequency (HF) skywave channels is also explored, and the benefits that it provides are studied both numerically, through computer simulations, and experimentally, by examining the receivers performance over a variety of skywave links.

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