In-Band Full-Duplex: The Physical Layer

Smida, Besma; Wichman, Risto; Kolodziej, Kenneth E.; Suraweera, Himal A.; Riihonen, Taneli; Sabharwal, Ashutosh

doi:10.1109/jproc.2024.3366768

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2024

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“…The SIC techniques can be applied individually in analog and digital domains as well as in combination [14,27,35]. The radio frequency (RF) signals are initially attenuated in the analog domain to accommodate the dynamic range of the analog-to-digital converter (ADC).…”

Section: Introductionmentioning

confidence: 99%

Deep Learning-Driven Interference Perceptual Multi-Modulation for Full-Duplex Systems

Kim,

Kong

2024

Mathematics

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In this paper, a novel data transmission scheme, interference perceptual multi-modulation (IP-MM), is proposed for full-duplex (FD) systems. In order to unlink the conventional uplink (UL) data transmission using a single modulation and coding scheme (MCS) over the entire assigned UL bandwidth, IP-MM enables the transmission of UL data channels based on multiple MCS levels, where a different MCS level is applied to each subband of UL transmission. In IP-MM, a deep convolutional neural network is used for MCS-level prediction for each UL subband by estimating the potential residual self-interference (SI) according to the downlink (DL) resource allocation pattern. In addition, a subband-based UL transmission procedure is introduced from a specification point of view to enable IP-MM-based UL transmission. The benefits of IP-MM are verified using simulations, and it is observed that IP-MM achieves approximately 20% throughput gain compared to the conventional UL transmission scheme.

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Section: Introductionmentioning

confidence: 99%