SFN Channel Measurements in Brazil

Maurício V. Guerra, Carlos V. Rodriguez R., Luiz da Silva Mello


In this paper, field measurements carried out in a suburban SFN network with two synchronized transmitters are reported. It is found that the radio signal coverage of the distributed transmission scheme is distinctly improved when compared to a single transmitter system. The path loss gain and improvement associated to the SFN scheme are obtained as well as the multipath channel parameters including the mean and RMS delay spread. A tapped delay line is used to model the average power delay profile (PDP) in the distributed transmission cases and shows rather different features than the single transmission case.

Full Text:



ITU-R Recommendation P. 1546-3, "Method for point-to-area predictions for terrestrial ervices in the frequency range 30 MHz to 3000 MHz``.

ITU-R Recommendation P. 1812-2, "A path-specific propagation method for point-to-area terrestrial services in the VHF and UHF bandsethod for point-to-area predictions for terrestrial ervices in the frequency range``.

ITU Recommendation ITU-R P. 1407: Multipath propagation and parameterisation of its characteristics, 1999.

G. Malmgren, "On the performance of single frequency networks in correlated shadow fading,`` IEEE Trans. On Broadcasting, Vol. 43, no.2, June 1997.

Shigang Tang; Changvong Pan; Ke Gong; and Zhixing Yang:, "Propagation Characteristics of Distributed Transmission with Two Synchronized Transmitters,`` Vehicular Technology Conference 2006 VTC 2006-Spring. IEEE 63rd , vol.6, no., pp. 2932-2936, 7-10 May 2006.

X. Zhao et al., ``Measurements and Modelling of the Small Scale Effects of Radio Channels for Rural and Suburban B3G Wireless Communications``, in 14th IST Mobile & Wireless Communications Summit, Dresden, Germany, June 2005.

G. Guerra, et al, "Field measurement based characterization of the wideband urban multipath channel for portable DTV reception in single frequency networks," IEEE Trans. Broadcasting, vol.51, no.2, pp. 171-179, June 2005.

G. Malmgren, "Network Planning of Single Frequency Broadcasting Networks``,Licentiate Thesis, TRITA-S3-RST- 9606, Royal Institute of Technology, April 1996.

Terrestrial Integrated Services Digital Broadcasting (ISDB-T) Document, "Specification o Channel Coding, Framing Structure and Modulation``, 1998.

H. L. Bertoni, Radio Propagation for Modern Wireless Systems, Prentice Hall PTR, 2000.

Elvino S. Souza, Member, IEEE, Vladan M. Jovanovié, Member, IEEE, and Christian Daigneault, Member, IEEE.: "Delay Spread Measurements for the Digital Cellular Channel in Toronto``, IEEE Transactions on Vehicular Technology, Vol. 43. NO. 4, November 1994.

Parsons, J.D.: The Mobile Radio Propagation Channel. Pentech Press Publishers, London, 1992.

H.Parviainen, P. Kyösti, X, Zhao, H. Himmanen, P.H.K. Talmola, J. Rinne.: "Novel Radio Channel Models for Evaluation of DVB-H Broadcast Systems``, The 17th annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2006.

DOI: http://dx.doi.org/10.1590/S2179-10742013000100006


  • There are currently no refbacks.

© Copyright 2007-2016 JMOe Brazilian Microwave and Optoelectronics Society (SBMO) and Brazilian Society of Electromagnetism (SBMag)