Journal Article10.1109/TCOMM.2014.033014.130403
Femtosecond-Long Pulse-Based Modulation for Terahertz Band Communication in Nanonetworks
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TL;DR: A modulation and channel access scheme for nanonetworks in the Terahertz Band is developed based on the transmission of one-hundred-femtosecond-long pulses by following an asymmetric On-Off Keying modulation Spread in Time (TS-OOK).
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Abstract: Nanonetworks consist of nano-sized communicating devices which are able to perform simple tasks at the nanoscale. Nanonetworks are the enabling technology of long-awaited applications such as advanced health monitoring systems or high-performance distributed nano-computing architectures. The peculiarities of novel plasmonic nano-transceivers and nano-antennas, which operate in the Terahertz Band (0.1-10 THz), require the development of tailored communication schemes for nanonetworks. In this paper, a modulation and channel access scheme for nanonetworks in the Terahertz Band is developed. The proposed technique is based on the transmission of one-hundred-femtosecond-long pulses by following an asymmetric On-Off Keying modulation Spread in Time (TS-OOK). The performance of TS-OOK is evaluated in terms of the achievable information rate in the single-user and the multi-user cases. An accurate Terahertz Band channel model, validated by COMSOL simulation, is used, and novel stochastic models for the molecular absorption noise in the Terahertz Band and for the multi-user interference in TS-OOK are developed. The results show that the proposed modulation can support a very large number of nano-devices simultaneously transmitting at multiple Gigabits-per-second and up to Terabits-per-second, depending on the modulation parameters and the network conditions.
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Citations
Multi-Ray Channel Modeling and Wideband Characterization for Wireless Communications in the Terahertz Band
TL;DR: A unified multi-ray channel model in the Terahertz Band is developed based on ray tracing techniques, which incorporates the propagation models for the line-of-sight, reflected, scattered, and diffracted paths to lay out the foundation for reliable and efficient ultra-high-speed wireless communications in the (0.06-10) THz Band.
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NANOSCALE IMAGING TECHNOLOGY FOR THz-FREQUENCY TRANSMISSION MICROSCOPY
DWIGHT WOOLARD,PEIJI ZHAO,CHRISTOPHER RUTHERGLEN,ZHEN YU,PETER BURKE,STEVEN BRUECK,ANDREAS STINTZ +6 more
TL;DR: Researchers develop a novel nanoscale-engineering methodology for THz-frequency transmission microscopy, enabling the collection of spectroscopic signatures from individual bio-molecules and microscopic biological constructs with sub-wavelength resolution.
Reconfigurable terahertz plasmonic antenna concept using a graphene stack
TL;DR: In this paper, a terahertz (THz) frequency-reconfigurable antenna using graphene is presented, which exploits dipole-like plasmonic resonances that can be frequency-tuned on large range via the electric field effect in a graphene stack.
Utilization of Atmospheric Transmission Losses for Interference-Resistant Communications
TL;DR: This paper develops a technique for identifying the optimal operating frequency, and predicting the resultant SINR enhancement, on the basis of given equipment and environmental characteristics, applicable to the conceptual design of communications systems in the EHF and high SHF bands.
Performance Limits for Field Effect Transistors as Terahertz Detectors
TL;DR: In this article, the performance limits of terahertz detectors based on field effect transistors (FETs) in the regime of broadband detection were derived for short-channel FETs in the subthreshold regime.
on Microwave Theory and Techniques
Robert W. Beatty,D. B. Anderson,D. J. Angelakos,A. D. Berk,C. R. Boyd,M. E. Brodwin,H. E. Bussey,C. J. Carter,K. S. Champlin,A. Clavin,S. B. Cohn,P. D. Coleman,R. E. Collin,W. Culshaw,R. W. Damon,W. B. Day,B. C. DeLoach,R. G. Fellers,M. P. Ferrer,R.V. Garver,I. Goldstein,R. C. Hansen,H. Heffner,J. K. Hunton,E.M.T. Jones,I. Kaufman,P. A. Loth,R. V. Lowman,S. P. Morgan,W. W. Mumford,F. A. Olson,J. Reed,F. Reggia,G. E. Schafer,M. Schiffman,R.F. Schwartz,C. B. Sharpe,J. Shmoys +37 more
- 01 Jan 1959