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ATTO: Wireless Networking at Fiber Speed

Guy Torfs (UGent), Haolin Li (UGent), Sam Agneessens (UGent), Johan Bauwelinck (UGent), Laurens Breyne (UGent), Olivier Caytan (UGent), Wout Joseph (UGent), Sam Lemey (UGent), Hendrik Rogier (UGent), Arno Thielens (UGent), et al.
(2018) JOURNAL OF LIGHTWAVE TECHNOLOGY. 36(8). p.1468-1477
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Organization
Abstract
ATTO targets wireless networking at fiber speed: 100 Gb/s/m(2) with latencies smaller than 10 mu s. To provide this tremendous wireless capacity, ultrasmall floor-integrated cells are proposed. In this way, short-reach communication can be established, reducing the effect of interference and providing full frequency reuse in the wireless domain. Radio frequency (RF)-overfiber coherent communication and a dedicated 2-D passive optical network structure support the interconnection and selection of the cells and minimize the required transceiver electronics. To evaluate the feasibility of the proposed architecture, key principles are validated at lower frequency bands. Two main building blocks are addressed in this paper: a fully passive opto-antenna to prove that a passive remote antenna head can be realized owing to the short transmission distances. Furthermore, a low-cost RF-overfiber system is demonstrated: sigma-delta modulation drives nonlinear optical modulators, such as electroabsorption modulators and vertical-cavity surface-emitting lasers, using a digital transmitter while remaining compatible with the passive opto-antenna. Finally, two important properties of the ATTO floor are evaluated. The exposure of a human body model to RF fields by the antenna floor. Measurements ensure a 200-fold margin with respect to the International Commission on Non-Ionizing Radiation Protection basic restriction. To guarantee that multiple devices can communicate with the ATTO floor simultaneously, the interference between cells spaced 300 mm apart was evaluated.
Keywords
Exposure, interference, matched photodiode, opto-antenna, RF-over-fiber, sigma-delta modulation, 100 Gbps wireless communication

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Citation

Please use this url to cite or link to this publication:

Chicago
Torfs, Guy, Haolin Li, Sam Agneessens, Johan Bauwelinck, Laurens Breyne, Olivier Caytan, Wout Joseph, et al. 2018. “ATTO: Wireless Networking at Fiber Speed.” Journal of Lightwave Technology 36 (8): 1468–1477.
APA
Torfs, G., Li, H., Agneessens, S., Bauwelinck, J., Breyne, L., Caytan, O., Joseph, W., et al. (2018). ATTO: Wireless Networking at Fiber Speed. JOURNAL OF LIGHTWAVE TECHNOLOGY, 36(8), 1468–1477.
Vancouver
1.
Torfs G, Li H, Agneessens S, Bauwelinck J, Breyne L, Caytan O, et al. ATTO: Wireless Networking at Fiber Speed. JOURNAL OF LIGHTWAVE TECHNOLOGY. Piscataway: Ieee-inst Electrical Electronics Engineers Inc; 2018;36(8):1468–77.
MLA
Torfs, Guy, Haolin Li, Sam Agneessens, et al. “ATTO: Wireless Networking at Fiber Speed.” JOURNAL OF LIGHTWAVE TECHNOLOGY 36.8 (2018): 1468–1477. Print.
@article{8555818,
  abstract     = {ATTO targets wireless networking at fiber speed: 100 Gb/s/m(2) with latencies smaller than 10 mu s. To provide this tremendous wireless capacity, ultrasmall floor-integrated cells are proposed. In this way, short-reach communication can be established, reducing the effect of interference and providing full frequency reuse in the wireless domain. Radio frequency (RF)-overfiber coherent communication and a dedicated 2-D passive optical network structure support the interconnection and selection of the cells and minimize the required transceiver electronics. To evaluate the feasibility of the proposed architecture, key principles are validated at lower frequency bands. Two main building blocks are addressed in this paper: a fully passive opto-antenna to prove that a passive remote antenna head can be realized owing to the short transmission distances. Furthermore, a low-cost RF-overfiber system is demonstrated: sigma-delta modulation drives nonlinear optical modulators, such as electroabsorption modulators and vertical-cavity surface-emitting lasers, using a digital transmitter while remaining compatible with the passive opto-antenna. Finally, two important properties of the ATTO floor are evaluated. The exposure of a human body model to RF fields by the antenna floor. Measurements ensure a 200-fold margin with respect to the International Commission on Non-Ionizing Radiation Protection basic restriction. To guarantee that multiple devices can communicate with the ATTO floor simultaneously, the interference between cells spaced 300 mm apart was evaluated.},
  author       = {Torfs, Guy and Li, Haolin and Agneessens, Sam and Bauwelinck, Johan and Breyne, Laurens and Caytan, Olivier and Joseph, Wout and Lemey, Sam and Rogier, Hendrik and Thielens, Arno and Vande Ginste, Dries and Van Kerrebrouck, Joris and Vermeeren, G{\"u}nter and Yin, Xin and Demeester, Piet},
  issn         = {0733-8724},
  journal      = {JOURNAL OF LIGHTWAVE TECHNOLOGY},
  keyword      = {Exposure,interference,matched photodiode,opto-antenna,RF-over-fiber,sigma-delta modulation,100 Gbps wireless communication},
  language     = {eng},
  number       = {8},
  pages        = {1468--1477},
  publisher    = {Ieee-inst Electrical Electronics Engineers Inc},
  title        = {ATTO: Wireless Networking at Fiber Speed},
  url          = {http://dx.doi.org/10.1109/JLT.2017.2783038},
  volume       = {36},
  year         = {2018},
}

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