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Why Is White Noise Not Enough? Using Radio Front-End Models While Designing 6G PHY

Kryszkiewicz Pawel, Sroka Pawel, Hoﬀmann Marcin, Wachowiak Marcin

Journal of Telecommunications and Information Technology

2023

nr 2

41--45

Each subsequent generation of wireless standards imposes stricter spectral and energy eﬃciency demands. So far, layered wireless transceiver architectures have been used, allowing for instance to separate channel decoding algorithms from the front-end design. Such an approach may need to be reconsidered in the upcoming 6G era. Especially hardware-originated distortions have to be taken into account while designing other layer algorithms, as high throughput and energy eﬃciency requirements will push these devices to their limits, revealing their non-linear characteristics. In such a context, this paper will shed some light on the new degrees of freedom enjoyed while cross-layer designing as well as controlling multicarrier and multiantenna transceivers in 6G systems.