Comparisons of Analytical and Numerical Calculations of Communications Probability, Volume 60U.S. Department of Commerce, National Telecommunications and Information Administration, 1980 - Mobile radio stations - 63 pages |
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Page iv
... curve A is given by ( 33 ) in the text ; the distance pdf for curve B is given by ( 10 ) . . 30 31 32 34 Figure 13 . Figure 14 . Figure 15 . Figure iv LIST OF FIGURES.
... curve A is given by ( 33 ) in the text ; the distance pdf for curve B is given by ( 10 ) . . 30 31 32 34 Figure 13 . Figure 14 . Figure 15 . Figure iv LIST OF FIGURES.
Page v
... ( Curve B ) of Figure 13 with the best - fit Class A noise approximation ( Curve A ) . The scenario has higher probability of strong interference . Curves C and D are fits for different values of i ć. Comparison of the pdf of interfering ...
... ( Curve B ) of Figure 13 with the best - fit Class A noise approximation ( Curve A ) . The scenario has higher probability of strong interference . Curves C and D are fits for different values of i ć. Comparison of the pdf of interfering ...
Page 8
... Curve A , = 1 and r do = 0. Curve B is for r 0 , but now the refer- ence distance do = 3 . oa = oa Comparison of curves A and B shows how do can be used to shape the path length pdf to fit the desired coverage area . Curve C in Figure 2 ...
... Curve A , = 1 and r do = 0. Curve B is for r 0 , but now the refer- ence distance do = 3 . oa = oa Comparison of curves A and B shows how do can be used to shape the path length pdf to fit the desired coverage area . Curve C in Figure 2 ...
Page 24
... curve in Figure 4 to the left of -150 dBW , a small but nonzero probability . As the power is increased more and more , moving right on Figure 4 , the area under the curve left of the threshold increases , and P , increases until the ...
... curve in Figure 4 to the left of -150 dBW , a small but nonzero probability . As the power is increased more and more , moving right on Figure 4 , the area under the curve left of the threshold increases , and P , increases until the ...
Page 26
... curve for r , = 0 in Figure oa 6 is not very pronounced . oa = oa The signal distribution of the received signal for a center of operations dis- placed 4 km from the receiver ( r 4 ) is much narrower . This is because the ratio of ...
... curve for r , = 0 in Figure oa 6 is not very pronounced . oa = oa The signal distribution of the received signal for a center of operations dis- placed 4 km from the receiver ( r 4 ) is much narrower . This is because the ratio of ...
Common terms and phrases
analytical solution approximation assumptions background noise best-fit Class canonical Class category of interferer center of operations Class A noise COMMUNICATIONS PROBABILITY Comparison computer program Curve dBW Figure effective radiated power equation exceeds the required Figure 14 Figure 22 Figure A-2 formal solution formula function of noise-plus-interference fx(x gaussian noise given input parameters interference bump interfering path lengths interfering power Middleton 1979a noise parameters nongaussian noise normally distributed Notation number of links numerical model P(IN Pā Pā path length pdf pdf of interference pdf of noise pdf of path pdf's plateau probabilistic probability density function PROBABILITY DISTRIBUTION probability of communications probability of interference propagation parameter random variable received signal power required signal-to-noise ratio required threshold scenario dashed line scenario interference Section 4.2 signal-to-interference ratio signal-to-noise ratio exceeds specified Table tion traffic intensity transmission loss variability transmitter power variability of transmission wanted path length wanted signal watts