An effective carrier phase estimation scheme in faster than Nyquist WDM transmission system

Pan, Dongwei; Li, Chengcheng; Feng, Yiqiao; Zhang, Xiaoguang

doi:10.1007/s11107-015-0595-y

Cited by 3 publications

(1 citation statement)

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“…While the family of CE schemes designed for FTN signaling was reviewed in Section VI-A, a diverse range of other estimation issues such as carrier phase estimation and synchronization designed for FTN signaling were considered in [157][158][159][160][161][162][163][164][165] and [166][167][168][169][170][171], respectively. To elaborate, in [170], a timing synchronization scheme based on exploiting the higher-order cyclostationarity of FTN signaling was proposed.…”

Section: Other Estimation Issuesmentioning

confidence: 99%

The Evolution of Faster-Than-Nyquist Signaling

2021

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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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