Calculo de Trafico-bts
5
Estim ation ofpopulation in the R egions Region Length ofstreet/road netw ork 12 21 1 2 2 B B B LL LL A L L L L N um ber ofcars N 1 = L / S N um ber of pedestrians N 2 = L / S A L km 2 25 02 250 . N 1 250 0 025 10000 . N 2 250 0 004 62500 . B L km 2 200 0 25 1600 . N 1 1600 0 050 32000 . N 2 1600 0 010 160000 . C L km F H I K 1375 0 125 1375 0 25 16500 . . N 1 16500 02 82500 . N 2 16500 0 125 132000 . D L km 2 12800 2 12800 N 1 12800 1 12800 2 12800 23273 0.55 N H int. D on'tforgetto subtractthe area ofinner R egions
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Transcript of Calculo de Trafico-bts
Estimation of population in the Regions
Region
Length of street/road network
1 2 2 1
1 2
2
B B B
L L L L AL
L L L
Number of cars N1= L/S
Number of pedestrians N2= L/S
A L km
2 25
0 2250
. N1
250
0 02510000
. N2
250
0 00462500
.
B L km
2 200
0 251600
. N1
1600
0 05032000
. N2
1600
0 010160000
.
C L
km
FH
IK
1375
0 125
1375
0 25
16500
. .
N116500
0 282500
.
N216500
0 125132000
.
D L
km
2 12800
212800
N112800
112800 2
1280023273
0.55N
Hint. Don't forget to subtract the area of inner Regions
Estimation of offered traffic in the Regions
Region
Vehicle originated traffic T F C T N
N
N
p o1 1 1 1
1
1
0 95 0 25 0 02
0 00475
. . .
.
Pedestrian originat-ed traffic T F C T N
N
N
p o2 2 2 2
2
2
0 80 0 25 0 02
0 004
. . .
.
Total traffic and traffic density
T T T 1 2/Erlang
T
A
T
A
T
A1 2 /Erl/km2
A T1 0 00475 10000
47 5
.
. Erlang T2 0 004 62500
250 0
.
. Erlang T
47 5 250 0 297 5
1 90 10 00 11 90
. . .
. . .
B T1 0 00475 32000
152 0
.
. Erlang T1 0 004 160000
640 0
.
. Erlang T
152 0 640 0 792 0
0 76 3 20 3 96
. . .
. . .
C T1 0 00475 82500
391 9
.
. Erlang T1 0 004 132000
528 0
.
. Erlang T
391 9 528 0 919 9
0 285 0 384 0 669
. . .
. . .
D 1 0.00475 12800
60.8 Erlang
T
1 0.004 23273
93.1 Erlang
T
60.8 93.1 153.9
0.00475 0.00727
0.0120
T
Cell dimensioning in Region B, 1/3 Region B cell size of cell completely inside the region:
x
kmkm
x km R kmB
22
2200
39 315 09
2 26 2 26 2 1 59
Region B total area
minimum cell number ..
. . .
Offered traffic in edge cells partly covering Region C (overlapping area from geometrical considerations): Cells B1,B2,B3,B4,B5,B6,B14,B21,B28,B35,B40,B45:
T S SB B C C
3 96 2 26 2 26 0 82 0 669 2 26 0 82 14 13. . ( . . ) . . . . Erlang
Cell dimensioning in Region B, 2/3 From the Erlang B-table: 22 TRXs in the FDMA-system giving a capacity of 14.90 Erlang/cell Corner cell B7 partly covering Region C: T S SB B C C
3 96 2 26 0 82 0 669 2 26 2 26 0 82 10 242 2 2. ( . . ) . . ( . . ) . Erlang
17 TRXs in the FDMA-system giving a capacity of 10.66 Erlang Offered traffic in edge cells B29,B30,B36,B41 partly covering Region A:
T S SB B A A
3 96 2 26 2 26 0 48 1 90 2 26 0 48 17 99. . ( . . ) . . . . Erlang
Cell dimensioning in Region B, 3/3
26 TRXs in the FDMA-system giving a capacity of 18.38 Erlang/cell Corner cell B31 partly covering Region B:
T S SB B A A
3 96 2 26 0 48 1 90 0 48 19 752 2 2. . . . . .e j Erlang
28 TRXs in the FDMA-system giving a capacity of 20.15 Erlang In all other 27 Region B cells completely inside the region:
T SB B 3 96 2 26 20 152. . . Erlang 28 TRXs in the FDMA-system giving a capacity of 20.15 Erlang
