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Download "; <' (* +,, -. / 0 1 2*3 4 5' = = = 4 - > ITU-R S.1856 (2010/01)"

Αλκιππη Ἠώς Φιλιππίδης
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ITU-R S.856 (2/) ; <' MHz 3 6-3 4!"# $# %&' ( ')' (* +,, -.

1 ITU-R S.856 (2/) ; <' MHz !"# $# %&' ( ')' (* +,, -. / 2*3 4 5' 432B.5 432A.5 43A.5 5 &*6 ( * ' ' 7 89 ' : 433A.5 = = = 4 - > S

2 ITU-R S.856 ii.. (IPR) (ITU-T/ITU-R/ISO/IEC).ITU-R ( ) ( ) () BO BR BS BT F M P RA S RS SA SF SM SNG TF V :.ITU-R 2 ITU 2..(ITU)

3 ITU-R S.856 (2) ITU-R S.856 MHz B.5 432A.5 43A.5 433A.5 / MHz A.5 432B.5 432A.5 43A MHz ( 27 ( 43A.5 ) 3 MHz ( MHz ( 432A.5 ) ( ) ( MHz MHz ( ) 433A.5 432B.5 432A.5 43A.5 ( ( ) : (27 3 (pfd) MHz %2 db(w/(m 2 4 khz)) 54,5 ( (

4 ITU-R S ( ( ( ( ( MHz ( A.5 43A / MHz A.5 432B.5 432A.5 43A / - ( 3

5 3 ITU-R S B.5 432A.5 43A.5 433A GHz ITU-R S A.5 432B.5 432A.5 43A.5. ITU-R S.72.. ITU-R S A.5 432B.5 432A.5 43A (3 2 ) ITU-R S ITU-R S GHz 4-3,75..(4.2 ) 2 km 5 km 56.W 25/MHz 25.. km 5 2 3

6 ITU-R S ( ). ( ). ITU-R P :.(LoS) : khz 4/ 4. (p = 2%) ITU-R P ΔN. 433A.5 432B.5 432A.5 43A.5.. ) ( e.i.r.p. º6 º4 º2 dbm) (khz 4 (km) ITU-R P ITU-R P.452

7 5 ITU-R S.856. : (6) (5) (ΔN) (α e ) :.( ) ITU-R P RHorizon nominal = α ( h + h )/ 2 e imt (km). ( ) h imt m A.5 432B.5 432A.5 43A.5.. : ITU-R P " " :.4....( ).. 433A.5 432B.5 432A.5 43A.5.. ITU-R S ( ) X ( ).. X. X 2.4 (9).ITU-R P L.%2.. / pfd = E G m + G(ϕ) L log(λ 2 /4π) = 54.5 db(w/(m 2 4 khz)), and therefore IMT off-axis e.i.r.p. = {E G m + G(ϕ)} = L dbw/4 khz = h

8 ITU-R S : khz 4 (e.i.r.p) :E :G m :G(ϕ).GHz 3,5 m,857 =λ (e.i.r.p).2 Y.dB Y 433A.5 432B.5 432A.5 43A.5.( ) ITU-R P (db) Y ( ) GHz dbw/mhz 6 ) dbw/mhz 7 (e.i.r.p).(itu-r F : khz 4 (e.i.r.p.) d = 7 log( /4) + 3 = 3 dbm/4 khz

9 7 ITU-R S.856 km 5.( ) m 4 = ΔN. db 3 48.km...km 48, km 4 dbm :. (e.i.r.p) m dbm/4 khz 3 = 45 = ΔN.º48 =

10 ITU-R S ) 47 km 2) 775 km 3) 95 km 4) 52 km 4 (m) ( ).km.itu-r P ITU-R P (θ TP ) (θ IMT )... θ IMT > θ TP.mrad 4,7- = θ TP mrad 5,8 = θ IMT

11 9 ITU-R S ( ).km m 5 m 75 m m 47 km 356 km 24 km 2 km km ITU-R S.72 2 (e.i.r.p) ITU-R P MHz 43A.5 (e.i.r.p) 433A.5 432B.5 432A A.5 432B.5 432A.5 43A.5 2.2

12 ITU-R S ,5).( 2) ( ( 2). " "....ITU-R P A.5 432B.5 432A.5 43A.5 : ) - ( ( (2 ( (h)

13 ITU-R S / pfd 3 m E ϕ h d (km) : () pfd = E G m + G(ϕ) L log(λ 2 /4π) db(w/(m 2 4 khz)) L khz 4 (e.i.r.p) E %2 ( d ) db G(ϕ) G m ( ) λ (db).32,33- = log(λ 2 /4π),857= λ GHz 3,5. db(w/(m 2 4 khz)) 54,5- : () (2) L = E (G m G(ϕ)) db (G m G(ϕ)) 8F. 6.dBi 6, ,5 ITU-R F.336. db 7,5 (G m G(ϕ))

14 dbi 6,3 = G m ITU-R S º2,52 = db db (dbi) ( ) (E) (CEPT) dbw/mhz 6.dBW/MHz db,5 2 dbw/mhz 23.. dbw/mhz 6 L (2).(E). (pfd) %

15 3 ITU-R S.856 %8 pfd ((2) ) (db) e.i.r.p. (dbw/4 khz) Gm G(ϕ) (db) ( ) (e.i.r.p.) (dbw/mhz) 85,8 23 A 78,3 8,5 7, B 7,3 5,5 7, ,5 C 63,8 23 D 4,4 (4.2 ) 46,4 22,4 F ( ) º2 MHz dbw 6.(C ) %2 db 7,3.. 5 ITU-R P ( GHz 3,5) dbw ITU-R ITU-R P A.5 ) ITU-R P.452.(

16 ITU-R S I 3 m dbi dbi dbw e.g. 3 m d (km) dbw I.(I = + L + dbw) db L. %2 ITU-R P I. dbw.. ITU R P I.. %2.I L I..8 I. 8 o o West o o o o o East o dbw isotropic o Isotropic receiving o antennas along the o border o o + o Everywhere to the East of this contour, the path loss to (or from) any ( point ) along o + o the border will exceed, for example,. %8 db 7,3 o + o o + o db for more than 8% of the time. transmitters

17 5 ITU-R S GHz 3,6-3,4 A B C D L ,6-3,4. : GHz ( ). 43A.5 " 43A.5." 6. (2 ). 43A.5. (3 43A.5 )

18 ITU-R S (8 ) (2) (km) 6 4,5 (km) 3 7 () (ΔN) (2 ) ) ( (3 ) ΔN.ITU-R P D C B A.. GHz A.5 432B.5 432A.5 43A dbw/mhz 6.dB(W/MHz) 22,4 2 (4 ) 3. db(w/mhz) 22,4. () (2) 4.2

19 7 ITU-R S A.5 ITU-R S A.5 432B.5 432A ).( (ITU-R F.336 ).ITU-R P B.5 432A.5 43A A GHz 3,6-3,4. 2 4

20 ITU-R S N 47 N pfd 3 3 %2 - db(w/(m 2-4 khz)) 54,5 BELGIUM A B C D 23 dbw/mhz, downtilt 23 dbw/mhz, 2 downtilt or 6 dbw/mhz, downtilt 6 dbw/mhz, 2 downtilt or 8.5 dbw/mhz, downtilt dbw/mhz, downtilt LUXEMBOURG GERMANY Paris Reims Nancy Strasbourg FRANCE GERMANY Dijon SWITZERLAND 3 km Geneva 2 E 5 E 8 E km

21 9 ITU-R S.856 Freetown GUINEA Kabala A B C D 23 dbw/mhz, downtilt 23 dbw/mhz, 2 downtilt or 6 dbw/mhz, downtilt 6 dbw/mhz, 2 downtilt or 8.5 dbw/mhz, downtilt dbw/mhz, downtilt GUINEA SIERRA LEONE Magburaka Kenema Bonthe LIBERIA 2 km 2 W km 8 N pfd 3 3 %2-2 db(w/(m 2-4 khz)) 54,5

22 ITU-R S Freetown GUINEA Kabala A B C D 23 dbw/mhz, downtilt 23 dbw/mhz, 2 downtilt or 6 dbw/mhz, downtilt 6 dbw/mhz, 2 downtilt or 8.5 dbw/mhz, downtilt dbw/mhz, downtilt GUINEA SIERRA LEONE Magburaka Kenema Bonthe LIBERIA 2 km 2 W km 8 N 2 pfd 3 3 %2-3 db(w/(m 2 -khz 4)) 54,5

2 ITU-R S.856 52 N 5 N 3 pfd 3 3 %2-4 db(w/(m 2 -khz 4)) 54,5 3 E Gomel 35 E BELARUS Dmitriev RUSSIA 2 km Konotop UKRAINE Kiev 4 km Contour for IMT mobile terminals with an e.i.r.p. e.i.r.p. density of 22.

23 2 ITU-R S N 5 N 3 pfd 3 3 %2-4 db(w/(m 2 -khz 4)) 54,5 3 E Gomel 35 E BELARUS Dmitriev RUSSIA 2 km Konotop UKRAINE Kiev 4 km Contour for IMT mobile terminals with an e.i.r.p. e.i.r.p. density of 22.4 dbw/mhz inthe horizontal plane dbw/mhz 22,4 db(w/mhz 5,5)) ) db(w/mhz 23) Contour for IMT bas stations with a peak e.i.r.p. density of 23 db(w/mhz), but 2 downtilt (i.e. e.i.r.p. 5.5 db(w/mhz) in the horizontal plane) 856-3

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