Orthogonal Chirp-Frequency-Division Multiple Access: System, Channel Estimation, and Pilot Optimization

This paper introduces the orthogonal chirp-frequency-division multiple access (OCFDMA), a technique based on orthogonal chirp-frequency-division multiplexing that partitions the frequency band into independent chirp-based subchannels, referred to as voices. By leveraging the block-circulant property...

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Autori principali:	Tulio F. Moreira, Wallace A. Martins, Moises V. Ribeiro
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	IEEE 2026-01-01
Serie:	IEEE Open Journal of the Communications Society
Soggetti:	Channel estimation chirp-spread spectrum multiple access orthogonal chirp-frequency-division multiple access pilot design
Accesso online:	https://ieeexplore.ieee.org/document/11523042/
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