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Multi-carrier signal transmission through HVAC ducts: experimental results for channel capacity

A.G. Cepni, A.E. Xhafa, P.V. Nikitin, D.D. Stancil, and O.K. Tonguz. Multi-carrier signal transmission through HVAC ducts: experimental results for channel capacity. In Proceedings IEEE 56th Vehicular Technology Conference, pp. 331– 335, 2002.

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Abstract

We report, for the first time, experimental results on the channel capacity of heating, ventilation, and air-conditioning (HVAC) ducts based on a multi-carrier transmission technique and measured channel frequency responses in the 2.4 GHz industrial, scientific, and medical (ISM) band. Experiments using actual synthesized signals through a building HVAC duct system demonstrate the ability to transmit with a spectral efficiency of 3.74 bps/Hz, corresponding to over 300 Mbps transmission rate within the 2.4 GHz ISM band. The experimental results are within 80% of the theoretical maximums reported previously (see Xhafa, A.E. et al., Proc. IEEE Int. Conf. on Commun. (ICC'02), vol.2, p.936-9, 2002). For the transmission schemes employed, these results confirm the potential of using the HVAC duct channel for indoor wireless networks.

@CONFERENCE{cepni_vtc_2002,
  author = {A.G. Cepni and A.E. Xhafa and P.V. Nikitin and D.D. Stancil and O.K.
	Tonguz},
  title = {Multi-carrier signal transmission through HVAC ducts: experimental
	results for channel capacity},
  booktitle = {Proceedings IEEE 56th Vehicular Technology Conference},
  year = {2002},
  volume = {1},
  pages = {331- 335},
  abstract = {We report, for the first time, experimental results on the channel
	capacity of heating, ventilation, and air-conditioning (HVAC) ducts
	based on a multi-carrier transmission technique and measured channel
	frequency responses in the 2.4 GHz industrial, scientific, and medical
	(ISM) band. Experiments using actual synthesized signals through
	a building HVAC duct system demonstrate the ability to transmit with
	a spectral efficiency of 3.74 bps/Hz, corresponding to over 300 Mbps
	transmission rate within the 2.4 GHz ISM band. The experimental results
	are within 80% of the theoretical maximums reported previously (see
	Xhafa, A.E. et al., Proc. IEEE Int. Conf. on Commun. (ICC'02), vol.2,
	p.936-9, 2002). For the transmission schemes employed, these results
	confirm the potential of using the HVAC duct channel for indoor wireless
	networks.},
  owner = {henty},
  pdf = {multicarrierHVAC.pdf},
  timestamp = {2006.06.25},
}

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