Results 61 to 70 of about 126 (110)

Dual-Mode Time-Domain Index Modulation for Nyquist-Criterion and Faster-Than-Nyquist Single-Carrier Transmissions

IEEE Access, 2017
In this paper, we propose a novel dual-mode time-domain single-carrier (SC) index modulation (DM-SCIM) scheme, where the combination of two constellation modes carries information bits further to modulated symbols, hence increasing the transmission rate.
Miyu Nakao, Takumi Ishihara, Shinya Sugiura   +2 more
doaj   +1 more source

Faster-than-Nyquist transmission based on multi-layer superposition

Tongxin xuebao, 2017
Faster-than-Nyquist (FTN) signaling technique has received much attention recently as an effective way of enhancing the spectral efficiency.In order to reduce the detection complexity for FTN signals,a multi-layer superposition transmission approach was ...
Shuang-yang LI, Lei PING, Bao-ming BAI, Xiao MA   +3 more
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Simulation Analysis of Two Iterative Frequency Domain Block Decision Feedback Equalizers for Faster-than-Nyquist System [PDF]

Jisuanji gongcheng, 2018
Faster-than-Nyquist (FTN) signaling system can increase data transmission rate effectively.However,it induces unavoidable Inter-symbol Interference(ISI) effects at the receiver and leads to higher receiver complexity.Against this problem,people put ...
ZHANG Guangna,GUO Mingxi,SHEN Yuehong
doaj  

Adaptive Damping Log-Domain Message-Passing Algorithm for FTN-OTFS in V2X Communications

Sensors
To enable highly reliable and spectrum-efficient vehicle-to-everything (V2X) communications under conditions with severe Doppler effects and rapidly time-varying channels, we propose a novel faster-than-Nyquist orthogonal time frequency space (FTN-OTFS ...
Hui Xu, Chaorong Zhang, Qingying Wu, Benjamin K. Ng, Chan-Tong Lam   +4 more
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On information rates for faster than Nyquist signaling

, 2006
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 ...
Rusek, Fredrik, Anderson, John B
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Iterative MLD Receiver for Faster-Than-Nyquist Signals

Iterative MLD Receiver for Faster-Than-Nyquist Signals
identifier:oai:t2r2.star.titech.ac.jp ...
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Faster-Than-Nyquist Signaling

Proceedings of the IEEE, 2013
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 ...
John B. Anderson, Fredrik Rusek, Viktor Owall   +2 more
openaire   +3 more sources

Exploiting faster-than-nyquist signaling

IEEE Transactions on Communications, 2003
Faster-than-Nyquist signaling introduces intersymbol interference, but increases the bit rate while preserving the signaling bandwidth. For sinc pulses, it has been established that with a small increase in the signaling rate beyond the Nyquist rate, there is no reduction in the minimum Euclidean distance for binary signaling.
A.D. Liveris, C.N. Georghiades
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Faster than Nyquist broadcast signaling

2012 26th Biennial Symposium on Communications (QBSC), 2012
In this work, we propose using Faster than Nyquist (FTN) signaling to achieve transmission over continuous-time Gaussian broadcast channel. In the FTN broadcasting, different users' messages are completely separated in the coding stage; hence removing the joint encoding that is typically needed in the previously proposed broadcast channel coding ...
Yong Jin Daniel Kim, Jan Bajcsy
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Generalized faster-than-Nyquist signaling

2012 IEEE International Symposium on Information Theory Proceedings, 2012
We extend the concept of faster-than-Nyquist (FTN) signaling to linear digital modulation using arbitrary modulation pulses, called generalized faster-than-Nyquist signaling (GFTN). A universal definition of nominal bandwidth is given so that “how fast” can be measured for GFTN like FTN using T-orthogonal pulses.
Jing Zhou, Daoben Li, Xuesong Wang
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