Performance Analysis for Covert Communications Under Faster-Than-Nyquist Signaling
نویسندگان
چکیده
In this letter, we analyze the performance of covert communications under faster-than-Nyquist (FTN) signaling in Rayleigh block fading channel. Both maximum likelihood criterion- and xmlns:xlink="http://www.w3.org/1999/xlink">Kullback-Leibler (KL) divergence-based covertness constraints are considered. Especially, for KL one, prove that both transmit power rate FTN higher than those Nyquist signaling. Numerical results coincide with our analysis validate advantages to realize data transmission.
منابع مشابه
High Performance Faster-than-Nyquist Signaling
In a wireless broadband context, multi-path dispersive channels can severely affect data communication of Mobile Terminals (MTs) uplink. Single Carrier with Frequency-Domain Equalization (SC-FDE) has been proposed to deal with highly dispersive channels for the uplink of broadband wireless systems. However, current systems rely on older assumptions of the Nyquist theorem and assume that a syste...
متن کاملFaster - Than - Nyquist Signaling In a bandwidth
| In this paper, we survey faster-than-Nyquist (FTN) signaling, an extension of ordinary linear modulation in which the usual data bearing pulses are simply sent faster, and consequently are no longer orthogonal. Far from a disadvantage, this innovation can transmit up to twice the bits as ordinary modulation at the same bit energy, spectrum, and error rate. The method is directly applicable to...
متن کاملImproving OFDM: Multistream Faster-than-Nyquist Signaling
Mazo’s concept of Faster Than Nyquist signaling is extended to pulse trains that modulate adjacent subcarriers, in a manner similar to orthogonal frequency division multiplex (OFDM) transmission. Despite pulses that are faster than the Nyquist limit and subcarriers that significantly overlap, the transmission system achieves the isolated pulse error performance. Systems with at least twice the ...
متن کاملOverlap Frequency Domain Equalization for Faster-than-Nyquist Signaling
This letter proposes the Faster-than-Nyquist signaling (FTNS) using overlap frequency domain equalization (FDE), which compensates the inter-symbol interference (ISI) due to band limiting filters of the FTNS at the transmitter and the receiver as well as the frequency selective fading channel. Since overlap FDE does not require any guard interval (GI) at the transmitter such as cyclic prefix (C...
متن کاملOn Information Rates for Faster than Nyquist Signaling
In this paper we consider the information rates of faster than Nyquist (FTN) signaling schemes. We consider binary, quaternary and octal schemes that use root raised cosine pulses. Lower and upper bounds to the information rates are given. The main result is that the lower bounds are often above the information rates for standard Nyquist signaling schemes. This implies that FTN must be superior...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Communications Letters
سال: 2022
ISSN: ['1558-2558', '1089-7798', '2373-7891']
DOI: https://doi.org/10.1109/lcomm.2022.3155739