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Exploiting molecular absorption in the THz band for low latency wearable wireless device communications

Published: 28 September 2016 Publication History

Abstract

Wearable wireless devices (WWDs) have been emerging as an important tool for future communication and control systems. When multiple uncoordinated WWD bearers exist in close proximity, the issue of interference between cochannel transmissions presents a major challenge. In this work, we exploit the molecular absorption (MA) regions of the Terahertz band (0.1-10 THz) for deploying WWDs efficiently. While such regions are not suitable for relatively long-range transmission schemes, the fast exponential decay of signal power with distance due to MA proves to be beneficial for WWD systems in limiting the cochannel interference. Our results for a symbol rate of 1 Gsymbols/s show that 95% of the users achieve a signal-to-interference-plus-noise ratio greater than 3 dB for a typical application, even in high-density user scenarios.

References

[1]
J. M. Jornet and I. F. Akyildiz. Channel modeling and capacity analysis for electromagnetic wireless nanonetworks in the terahertz band. IEEE Transactions on Wireless Communications, 2011.
[2]
A. Pyattaev et al. Communication challenges in high-density deployments of wearable wireless devices. IEEE Wireless Communications, 2015.
[3]
G. George and A. Lozano. Impact of reflections in enclosed mmwave wearable networks. In IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2015.
[4]
R. Piesiewicz et al. Scattering analysis for the modeling of thz communication systems. IEEE Transactions on Antennas and Propagation, 2007.

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  • (2023)Device-to-device Communications at the Terahertz Band: Open Challenges for Realistic ImplementationIEEE Communications Standards Magazine10.1109/MCOMSTD.0001.21000777:1(82-87)Online publication date: Mar-2023
  1. Exploiting molecular absorption in the THz band for low latency wearable wireless device communications

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    cover image ACM Other conferences
    NANOCOM'16: Proceedings of the 3rd ACM International Conference on Nanoscale Computing and Communication
    September 2016
    178 pages
    ISBN:9781450340618
    DOI:10.1145/2967446
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    New York, NY, United States

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    Published: 28 September 2016

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    • (2023)Device-to-device Communications at the Terahertz Band: Open Challenges for Realistic ImplementationIEEE Communications Standards Magazine10.1109/MCOMSTD.0001.21000777:1(82-87)Online publication date: Mar-2023

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