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Keywords
(10)
Advanced Traveler Information System
Computer Program
Intelligent Transport System
Modeling and Analysis
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Performance Prediction
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Radio Propagation
Wave Propagation
Differential Global Positioning System
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Propagation prediction techniques and antenna modeling (150 to 1705 kHz) for intelligent transportation systems (ITS) broadcast applications
Propagation prediction techniques and antenna modeling (150 to 1705 kHz) for intelligent transportation systems (ITS) broadcast applications,10.1109/7
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Propagation prediction techniques and antenna modeling (150 to 1705 kHz) for intelligent transportation systems (ITS) broadcast applications
(
Citations: 9
)
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Nicholas DeMinco
This paper discusses the basic aspects of radiowave propagation and antenna modeling at 150 to 1705 kHz. The paper contains descriptions of both skywave and groundwave propagationprediction models, in addition to the methodology used to analyze antennas that operate in this band. A method of calculating and normalizing antenna gain for system computations is also discussed. The skywave models described in this paper are valid from 150 to 1705 kHz. The groundwave models described in this paper are valid from 10 kHz to 30 MHz. The propagation of radio waves from 150 to 1705 kHz includes both a ground wave and a sky wave, and is quite different from propagation at any other frequency. The methods used for antenna
modeling and analysis
in this band are also quite unlike those in other bands. The AM broadcast band of 535 to 1605 kHz is planned to be used in the advanced traveler information systems (ATIS) of intelligent transportation systems (ITS), to provide information such as road conditions, road hazards, weather, and incident reporting for rural travelers. The band of frequencies from 285 to 325 kHz is presently being used in another application of ITS, called the
Differential Global Positioning System
(DGPS), which will be used for precision location of vehicles. The propagationprediction models and antennaanalysis methods described here can be used for designing systems and making performance predictions for both of these ITS applications, or for any other systems that operate in this band of frequencies from 150 to 1705 kHz. Some examples of comparisons of measured and predicted data are also presented. A
computer program
that includes all of these propagationprediction models and antennamodeling techniques was used
Journal:
IEEE Antennas and Propagation Magazine  IEEE ANTENNAS PROPAG MAG
, vol. 42, no. 4, pp. 934, 2000
DOI:
10.1109/74.868050
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Citation Context
(5)
...used to predict the groundwave propagation, namely, the Millington algorithm [
7
] and the integral equation method [8]...
Lili Zhou
,
et al.
LF GroundWave Propagation Over Irregular Terrain
...Fig. 3 and Fig. 4 is based on a simple propagation formula [
24
][25]...
Toby A Webb
,
et al.
A new differential positioning method using modulation correlation of ...
...A discussion of this can be found in [
12
], where it is pointed out that the attenuation of the surface wave is determined by the average values of the earth’s conductivity and dielectric constant, down to a depth to which the ground currents penetrate and still maintain an appreciable magnitude...
H. K. Sacks
,
et al.
A Method for Estimating the Probability of Lightning Causing a Methane...
...A good deal of work has been done to develop methods for calculating the field strength of a radio wave that has propagated over the earth surface [1], [
2
]...
Lili Zhou
,
et al.
Modelling of LF groundwave propagation at short distances based on 2...
...A discussion of this can be found in reference [
12
] where it is pointed out that the attenuation of the surface wave is determined by the average values of the Earth’s conductivity and dielectric constant, down to a depth to which the ground currents penetrate and still maintain an appreciable magnitude...
H. K. Sacks
,
et al.
A Method for Estimating the Probability of Lightning Causing a Methane...
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Sort by:
Citations
(9)
LF GroundWave Propagation Over Irregular Terrain
Lili Zhou
,
Xiaoli Xi
,
Jiangfan Liu
,
Ningmei Yu
Journal:
IEEE Transactions on Antennas and Propagation  IEEE TRANS ANTENNAS PROPAGAT
, vol. 59, no. 4, pp. 12541260, 2011
A new differential positioning method using modulation correlation of signals of opportunity
Toby A Webb
,
Paul D Groves
,
Paul A Cross
,
Robert J Mason
,
Joseph H Harrison
Conference:
Position Location and Navigation IEEE Symposium  PLANS
, pp. 972981, 2010
Studies on the coherence bandwidth of highfrequency vehicular communication system with antenna array
Yanli Li
,
Xiaohui Duan
,
Meng Ma
,
Bingli Jiao
Journal:
Wireless Communications and Mobile Computing
, 2009
Irregular Terrain Attenuation in the Medium Frequency Band: Planning for Digital Radio Systems
(
Citations: 1
)
D. la de Vega
,
S. Lopez
,
U. Gil
,
D. Guerra
,
P. Angueira
,
A. Arrinda
,
J. L. Ordiales
Journal:
IEEE Transactions on Antennas and Propagation  IEEE TRANS ANTENNAS PROPAGAT
, vol. 56, no. 8, pp. 27702775, 2008
A Method for Estimating the Probability of Lightning Causing a Methane Ignition in an Underground Mine
H. K. Sacks
,
Thomas Novak
Journal:
IEEE Transactions on Industry Applications  IEEE TRANS IND APPL
, vol. 44, no. 2, pp. 418423, 2008