:
, : , , , .
PON;
.
FTTB.
FTTB. - (HFC Hybrid Fiber Coax) (.1):
FTTH (Fiber To Home) .
FTTB (Fiber To Building) (). Block . , .
FTTC (Fiber To Carb) .
FTTH , , FTTB , .
FTTB ? , .. () 100250 (, 912- 46 ). (.2).
FTTB :
. , , . (, ), .
FTTB . ( ).
, . , (), ( ), , , .. , .
upstream- ( ), (CMTS). upstream- (, ) / (C/N) , .
, FTT . EttH (Ethernet to the Home), Teleste () . .3 Ethernet over Coaxial (EoC), Ethernet . EoC , UTP, Ethernet , . , EttH Teleste, FTTC Ethernet . . 3 Virtual Fiber ( ), Ethernet (100/) . Docsis.
|
|
, , , ( ) , .
, S/N - . (, ) .
, , FTTB HFC , .
, FTTB AC (Teleste), FTTH ( ) .
UMTS
UMTS (. Universal Mobile Telecommunications System ) , (ETSI) 3G . W-CDMA, 3GPP IMT-2000, .
UMTS 3GSM 3G GSM.
Altel 4G
ALTEL 4G , 4G LTE, , , , , , .
|
|
LTE
LTE - Long-Term Evolution - .
LTE:
- ,
- ,
- .
4G 3G:
- ,
- .
LTE 5 () 30 100 ( ).
( 50 ), LTE- , 3G., . , LTE 6 3G. . LTE , , , . , .
, , , , , ( , - , , , .).
LTE , , , .