1 (008-003) * (ITU-R 54/4 ITU-R 6/9 ). 1. 4. 3. GHz 14,5-14,0 1,.90 (WRC-03) ( 4.4 ( - ) MHz 6 45-5 95 GHz 14,5-14 ( 4.4 " " ( ( ( ( ITU-R SF.1585 ( ( (ATPC) ( (.ITU-R SF.1650-1 " " *
ITU-R SM.1448 / ( (1 ) ITU-R SF.1006 ( ( ITU-R F.1565 ITU-R F.696 ( ( (000 ) ( 457A.5 ( GHz 14,5-14 MHz 6 45-5 95 90 (WRC-03) 457B.5 ( GHz 14,5-14 MHz 6 45-5 95 90 (WRC-03) 90 (WRC-03) ( ( ) 37 (WRC-03) ( 1 1 " " ) (3
3 3 " " " ( (3 ) " 4 4 GHz 14,5-14,0 1,.90 (WRC-03). - 1.ITU-T G.81 ITU-R SF.1006 ITU-R SF.1650.ITU-T G.88 ITU-T G.86. - ITU-R F.383 (GHz 6,175 ) GHz 6..3-3 1 * ( ). ITU-R SF.1006...ITU-R SF.1585 1 *
4 ITU-R SF.1585..... ITU-R SM.1448 ITU-R SF.1006. (ITU-R SF.1585 ).... - -. - (1 ). 1.. 1..
5 1 1649-01... /...ITU-R P.45.
6. :1. ( db 10 ) :.. db 10.. :3. db 10....... *.ITU-R F.1108. %0.. (db).itu-r F.145.ITU-R F.758 ITU-R SF.1006 3...( ST ).GHz 14 6 ITU-R SF.1650 *.ITU-R SF.1585
7. ( ESVi )..ITU-R SM.1448 1.. ITU-R SF.1485.1.. ( ESVi ). db 10 ESVi...... 3 MHz 4 00-3 700 8 (WRC-000) 4-9S.MHz 6 45-5 95 ITU-R SF.1650. ITU-R SF.1585.. 1
8. 1. ITU-R SF.1006.... 3. (FDP). 1 (CCP) ITU-R F.1108 4.5. ITU-R SM.1448 (). 1 (1) Lb( ) = Pt + Gt + Gr Pr ( ) (1) (db) (1). (dbw) (dbw) %. ( db) db : :L b () :P t :P r () :G t %1,0 %0,001. %0 1
9 ( db).. %0 ITU-R SF.1006 () Pr(0) = 10 log (k Te B) + J dbw (1,38 10 3 J/K) (K) (Hz) (db). :G r :k :T e :B :J %0,001. (3) P (0.001) = 10 log( k T B) + 10 log(10 r e M s /10 1) dbw.(db) M s. (4) Ms /10 Pr (0,001) Pr (0) = 10 log (10 1) J db. M s db 19 ITU-R SF.1650 (4) J db 10 (5) P r ( 0.001) P r (0) 9 db (1). ITU-R P.45 %0.L 45 (). %0,001.d h d c. (L 45 (0)) %0 %0.dB 9 %0,001....
10 FIGURE Distance deendence of the redicted ath loss for all but 0% ( ) and %0,001 0.001% of the time %0 (estimated) L est (0) L est (), (db) calculated loss all but % of time (db) Lest() 9 db L est (0.001), d h d c ( Path length (km) ) (logarithmic (km) scale) 1649-0.....(1) G t ) 1.. ITU-R SM.1448.(ITU-R SF.1485 ( n ).( n ) 3 1.3
11 (1) (P t ()) (% ν ) (6) ( n ) ν 100 / = 50 n for for n n (% ν ) < %...(G n ) ( n ).. - ITU-R F.1108. (7) B (W/B) FDP B (db(w/b)) = i N f T i I i = i.i NT :N T :B :I i :f i.3 (7).. ITU-R P.45. ITU-R P.45. %0..(7) -.4.
1. 1.. ITU-R SF.1650..km/hν ESV f ESV... ITU-R F.145 ( ) 3 D Gr ( ϕd ) = Gmax.5 10 ϕd λ ( ) (( ) ).((dbi) ) ITU-R F.699 ϕ d for ϕd < ϕdm ( 10 G max 7.7)/ 0 0λ Gmax G1 D + 15 log (D/λ) 4 1.4 (dbi) = = = D λ φ dm G 1 : ( ) ϕ d (8) α ϕ g r r ( ϕr ) = gmax e for ϕr < ϕdm ln(10) 3 D α = (.5 10 ) 10 λ. (dbw dbi db) /10 ln(10)/10. g = 10 Gmax = e Gmax. max
13 3? m? m x m 0 x x m? 0? r r 0 r r m r m FS 1649-03 x.3 (ϕ m ) db 10.θ 0 x = 0 (x-axis).ghz 6 dbi 45 ).x m x m x x ( (km x) (km r) (9) t gt0 gr max r 0 r, x = e l ( 0) 45 l F r α ϕr (W) ( ) ( ) ITU-R P.45 %0 ( ) db 10 ( ). : t :g t0 :g r max :l F :l 45 (0) :ϕ r :ϕ m
14 ( ).r 1 r = r0 + xcosθ 0 ϕr = ( 180/ π) xsinθ0 /( r0 + xcosθ0) x m x m (10) xm 1 r,0 = dx r x xm x m, x m ϕ r.( r,x ) r,0 ϕ = r m t gt0 g max ϕ mr0 ( π /180) 1 e l 45(0) l F ( xm x m) sinθ0 ϕ m ϕm α ϕr dϕr (9) ( ) g r max ITU-R F.699. db 10.0,565 ITU-R F.145 (10). f ESV.(x m - x m )/ν ESV : 3 (11) ~ I 0, av = l t g 45 t0 g r max (0) l F πϕ 180 ν m ESV r0 sin θ 0 fesv (0.565) 8 760. 8 760 90. (11) km 0 (km/h 9,61) 5 1 000. db 19,1 0.dB 3,8.(dB).. (Watts) (~). 3
15.4 4 x a x x b r a r ab ϕ r ϕ ra r r b ϕ rb FS 1649-04.x b x a.4. (9)..ϕ b ϕ a (dbi).x b x a ( ). x (1) r, x = l t 45. a g t, ab ra grϕr ab + ( 0) l r x (W) x b x a F : t :g t,ab
16 :l F ITU-R P.45 x a :l 45.a (0) %0 x ϕ r ( ) : gr ϕ r.x b x a : r ab ϕ rb G b ϕ ra G a (db) gr ϕ r ln(10) Grb Gra ( r ra ) 10 ϕ ϕ (13) g e rb ra r g ϕ ϕ ϕ = r ra (10) r, ab (1) (14) ϕ r. x b x a x r t gt, ab π ra ( ϕrb ϕra) gragrb r, ab = sinch(( Gb Ga) l 45. a (0) l F 180 r ab( xb xa) sinh( x) sinch ( x) = x = ab tan( πϕr /180) ln(10) / 0) ϕ rb ϕ ra f ESV.(x b x a )/ν ESV (15) ~ t gt, ab gragrb πra ( ϕrb ϕra) f I ESV ab, av = sinch(( Grb Gra) l 45. a (0) l F 180 r ab8 760νESV ln(10) / 0) ra / l 45. a (0) x a x b.(15).rb / l 45. b(0) ra / l 45. a (0). %0 (16) I ~ ab, av = t g t, ab l g F sinch(( G ra rb g rb G π( ϕ 180r ra rb ab ϕra) f 8 760ν )ln(10) / 0) ESV ESV l a r + (0) l 45. a 45. r b b(0).. 3.4
17.(16)..(16).(11) -. -. (16)...4 (16). (17) ~ Iab, av = t gtagragtbgrb l F π( ϕrb ϕra ) fesv 180 r ab8 760νESV sinch(( Gtb + Grb Gta Gra )ln(10) / 0) ra r + b 45. a (0) 45. b(0) l l x a.x b :g ta : g tb..... 5
18.....0 N cc N cc 1 4 1.3. % ST (dbw) (i) (18) I ( ST ) = Pt + Gt, i + Gr, i LF L45. ( ST, i i Li ((3) ) : ST (dbw) :P t (dbi) N cc 1 (i) (i) :G t,i (dbi) N cc 1 (i) (i) : G r,i (db) :L F ITU-R P.45 (i) :L 45.i ( Li ) (i) (% Li ).(db) N cc 1 ( Li ) (19) =100 / Li ST ESVi.(i) %50 %0,001 Li ) :ESVi.ITU-R P.45. 4...dB 10 ( ESV0 ) db 10 (0) 4 f ϕ 0 0 = 4 10 ESV m r ESV νesv sin θ0.(11)
19 (% ST ) I ST,0.(0) (18). ( ST ).. (i) x i,i+1. (i+1) (1) ESVi = Lesser of f 87.6ν ESV ESV ( x i, i 1 + xi, i+ 1 ) and 100%.(18) (19) (1) (i 0).. GHz 6 GHz 14.8 (WRC-000) GHz 14..GHz 14..ITU-R SF.1650.ITU-R S.148.ITU-R SF.1650 ITU-R SF.1006. 6
0 3.... (r i ) (R).(R... 1 = i ) (i)... db 1.. 1 3 () ST R = I STC I STC i.i i= 1 STi F Yi : ST : STi :F Yi
1 i L STi STi.I STC (3) L STi = Pt + Gt, i + Gr, i (i) :L STi (db) I STC (dbw) : P t :G t,i (dbi) (i) :G r,i (dbi) (i) (db) :L F :I STC.(dBW) ( STi ) ITU-R P.45 (i) L 45.i () ITU-R P.45. L STi.%50 %0,001 () () L F I STC (4) STi 100 for = value such that 0.001 for L L L 45. 45. 45. i i (50) < LSTi i ( STi ) = L (0.001) > L STi STi (4) %50 %0,001 ( STi ). (r i ) (i) f ESV () (F Yi ) (5) (F Yi ) F Yi fesv r = i 8760 ν ( ) (r 0 ) ESV () (6) ST f = ESV r 8 760 ν 0 ESV R i= 1 STi
. %0.. (i) (I LT ). (7) (8) I LT R = 10 log I ~ i= 1 LT, i F Yi ( P + G + G L L (0))/ 10 ~ t t, i r, i F 45. i I LT, i = 10 dbw W 4..ITU-R P.45 (18) L 45.i. (3)..4 3... 3 1 3.. 1.. db 10. 5 1.4 5....... 5
3.. 75.. (I) ( I ) (4) (3) (I) I STC 3. (ccdf) (I, I ). (). 3..... 4. 4 6 GHz 14 4 90 (WRC-03). GHz 14,5-14,0 1,.90 (WRC-03).. 0,± ( ( db (W/MHz) 1,5
4 dbw 16,3. ( ( ϕ GHz 14,5-14,0 3.90 (WRC-03).. ITU-R SF.1650-1 ITU-R SF.1650-1 90 (WRC-03) ITU-R SF.1650-1... km 15 GHz 14,5-14,0.. 90 (WRC-03).. 1