IEEE VT-S Technical Committee on Propagation and Channel Modeling

Vehicular Technology Society

"Connecting the Mobile World"

TECHNICAL COMMITTEE ON PROPAGATION AND CHANNEL MODELING

MILESTONES IN PROPAGATION AND CHANNEL MODELING
FOR MOBILE AND PERSONAL COMMUNICATIONS

During Febuary - March 2006, the IEEE VT-S Technical Committee on Propagation and Channel modeling is inviting members to nominate work to be included in a compilation of the most significant contributions made to the propagation and channel models used in the analysis and design of personal and mobile communications since the advent of the modern era ushered in by the development of cellular telephone technology at AT&T Bell Labs.

While a huge number of significant papers have been presented and published in this area since the late1960's, we can likely identify perhaps a few dozen instances when a paper introduced a truly new idea or approach that went on to become standard practice. We might describe these innovations as paradigm shifts. Examples include: the Okumura-Hata model for path loss in macrocells, the Keenan-Motley model for path loss in indoor environments, or the Saleh-Valenzuela model for high resolution impulse responses. Assembling the list of papers will no doubt raise controversy and invite discussion. Having said that, let's proceed!

To submit a contribution, please send a citation (preferably in IEEE bibliographic format) and a few words explaining your reasons for the choice to Dave Michelson with the subject "IEEE VT-S - Milestones".

For examples, please see below. The list will be updated weekly during the next two months.

	Contribution	Submitted by
[1]	Y. Okumura, E. Ohmori, T. Kawano, and K. Fukuda, "Field Strength and Its Variability in VHF and UHF Land-Mobile Radio Service," Review of the Electrical Communication Laboratory, vol. 16, no. 9/10, pp. 825-873, Sep-Oct 1968. (Okumura et al's observation that simple measurement-based performance curves could be used to predict the field strength and service area of a land-mbile radio system deployed in a given terrain with reasonable accuracy over the frequency ranges of 150 to 2000 MHz for distances of 1 to 100 km, and for base station effective antenna heights of 30 to 1000 m formed the basis for most subsequent work in this area.)	DGM
[2]	M. Hata, "Empirical formula for propagation loss in land mobile radio services," IEEE Transactions on Vehicular Technology, vol. VT-29, no. 3, pp. 317-325, Aug. 1980. (Hata's proposal to express a subset of Okumura et al's design curves as closed-form expressions suitable for use in computer-based planning and simulation tools formed the basis for most subsequent work in this area.)	DGM
[3]	J. M. Keenan and A. J. Motley, `"Radio coverage in buildings'', BT Technology Journal, vol. 8, no. 1, pp. 19-24, 1990. (Keenan and Motley's suggestion that path loss in indoor environments could be modeled by a free space path loss augmented by factors that are proportional to the number of walls or floors between the transmitter and receiver formed the basis for most subsequent work in this area including the ITU-R and COST-231 indoor models.)	DGM
[4]	A. Saleh and R. Valenzuela, "A statistical model for indoor multipath propagation," IEEE Journal on Selected Areas in Communications, vol. 5, no. 2, pp. 128-137, Feb. 1987. (Saleh and Valenzuela's observation that received signal rays in indoor environments tend to arrive in clusters and their simple statistical model of the corresponding multipath delay profile forms the basis for most subsequent work involving wideband propagation in indoor environments.)	DGM
[5]	D. C. Cox, "910 MHz urban mobile radio propagation: Multipath characteristics in New York City," IEEE Transactions on Communications, vol. COM-21, no. 11, pp. 1188-1194, Nov. 1973.	DGM
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