HSPA.
HSPA (High Speed Packet Access ) , WCDMA/UMTS.
14,4 / ( ) 5,8 / .
3,6 / HSDPA (Ddowlink). SDUPA (Uuplink, ) HSPA.
3GPP LTE.
3GPP LTE (Long Term Evolution ) 3GPP CDMA, UMTS. , , , , , .
3GPP LTE 326,4 / ( 1 / ) (download) 172,8 / (upload); 173 / 58 / .
WiMAX.
WiMAX IEEE 802.16-2004 802.16-2005 (MAN), .
, WiMAX. WiMAX / / , 30 , .
WiMAX , IPTV VoD . IPTV VoD , , .
, (MAC) , (QoS).
MAC , . . ISO/OSI WiMAX. , .
|
|
IEEE 802.16e WiMAX. . : (UGS); (RVVR); (ERTVR); (NRTVR); (BE). .
2.3 IPTV
2, , , (), , () .
, , . . , , . . . :
, ;
;
;
;
;
;
(QoS) .
. .
. "" .
:
DWDM;
SDH;
ATM;
POS (Packet Over SONET) DPT (Dynamic Pocket Transport Cisco SystemsRPR);
Fast/1100Gigabit Ethernet.
.
50% 80% , :
;
, ;
;
;
, , . .
, , " ". , , :
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|
xDSL (HDSL, ADSL, VDSL .);
PON ( );
HFC ( , );
LMDS/MMDS ();
- ( );
Ethernet/Fast Ethernet.
Metro Ethernet Gigabit Ethernet, xDSL Ethernet/Fast Ethernet. :
;
: 10/100 / (Gigabit Ethernet) 24 / (ADSL), 50 / (VDSL) ;
;
.
2.1 IPTV