期刊
IEEE ACCESS
卷 9, 期 -, 页码 86535-86564出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2021.3088997
关键词
Precoding; Frequency-domain analysis; Intersymbol interference; Channel estimation; Information filters; Transceivers; Eigenvalues and eigenfunctions; Capacity; detection; faster-than-Nyquist signaling; interference; precoding
资金
- Japan Society for the Promotion of Science (JSPS) KAKENHI [20K22410, 16KK0120, 17H03259, 17K18871]
- Japan Science and Technology Agency (JST) Precursory Research for Embryonic Science and Technology (PRESTO) [JPMJPR1933]
- Engineering and Physical Sciences Research Council [EP/P034284/1, EP/P003990/1]
- European Research Council [789028]
- EPSRC [EP/P034284/1] Funding Source: UKRI
- Grants-in-Aid for Scientific Research [20K22410] Funding Source: KAKEN
FTN signaling utilizes non-orthogonal dense symbol packing in the time domain to increase data rate, with low complexity detection and channel estimation techniques. Recent introduction of frequency-domain filtering and precoding aided schemes relate information rate to eigenvalues, simplifying power allocation design for increasing the data rate attained.
The fifty-year progress of faster-than-Nyquist (FTN) signaling is surveyed. FTN signaling exploits non-orthogonal dense symbol packing in the time domain for the sake of increasing the data rate attained. After reviewing the system models of both the conventional Nyquist-based and FTN signaling transceivers, we survey the evolution of FTN techniques, including their low-complexity detection and channel estimation. Furthermore, in addition to the classic FTN signaling philosophy, we introduce the recent frequency-domain filtering and precoding aided schemes. When relying on precoding, the information rate of FTN signaling becomes related to the eigenvalues of an FTN-specific intersymbol interference matrix, which provides a unified framework for the associated information-theoretic analysis and simplifies the associated power allocation specifically designed for increasing the information rate attained. We show that the FTN signaling scheme combined with bespoke power allocation employing a realistic raised-cosine shaping filter achieves the Shannon capacity associated with ideal rectangular shaping filters.
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