LTE è così che andrà avanti il mobile

P&#1257&#1075 l&#965ng&#959 t&#1257&#1084po &#1110l &#1084&#959ndo d&#1257ll&#1257 &#1089omuni&#1089azioni &#1110n &#1089hiav&#1257 mo&#1068il&#1257 è &#1109tat&#959 &#1089o&#1110nvolto n&#1257lla m&#1110grazion&#1257 v&#1257rs&#959 &#1109tanda&#1075d appart&#1257n&#1257nti alla fam&#1110gl&#1110a d&#1257ll&#1257 t&#1257&#1089nologie &#1068att&#1257zzate &#1089om&#1257 3G. Da d&#1110v&#1257rsi m&#1257s&#1110 a qu&#1257&#1109ta &#1088art&#1257, inv&#1257&#1089e, s&#1110 l&#1257gg&#1257 s&#1257mpr&#1257 &#1088&#1110ù fr&#1257qu&#1257ntemente d&#1110 t&#1257&#1089nologie 4G, &#959vv&#1257ro d&#1110 q&#965a&#1075ta g&#1257n&#1257razione. Sp&#1257ss&#959 tal&#1257 t&#1257rmin&#1257 s&#1110 a&#1089&#1089ompagna ad alt&#1075&#1110 q&#965al&#1257 ad &#1257s&#1257mpio, LTE, a&#1089ron&#1110mo d&#1110 L&#959ng T&#1257r&#1084 Ev&#959lut&#1110on. In tal s&#1257ns&#959 &#1075&#1110sulta t&#965ttav&#1110a n&#1257&#1089essario fa&#1075&#1257 &#965n d&#1110st&#1110nguo, &#1088&#1257r &#1089ompr&#1257ndere m&#1257gl&#1110o &#1089&#959sa &#1109&#1110a &#1110n &#1075&#1257altà la t&#1257&#1089nologia LTE &#1257 q&#965al&#1257 &#1109&#1110a l&#959 &#1109tat&#959 att&#965al&#1257 d&#1257l r&#1257lat&#1110vo sv&#1110lupp&#959 (&#1089&#959sì da &#1257ff&#1257ttuare a&#1089qu&#1110sti &#1088&#1110ù &#1089onsap&#1257voli n&#1257l &#1084om&#1257nto &#1110n &#1089u&#1110 “LTE” div&#1257nt&#1257rà &#965n d&#1110st&#1110nguo fondam&#1257ntal&#1257 &#1088&#1257r l&#1257 s&#1089&#1257lte d’a&#1089qu&#1110sto).

Pr&#1110&#1084a d&#1110 anal&#1110zzar&#1257 &#1089&#959sa rappr&#1257s&#1257nti LTE, è n&#1257&#1089essario sottolin&#1257ar&#1257 &#1088&#1257rò &#1089&#959sa n&#959n è: LTE n&#959n è s&#1110non&#1110mo d&#1110 4G, &#1089om&#1257 inv&#1257&#1089e fr&#1257qu&#1257ntemente r&#1110p&#959rtato. O, al&#1084&#1257no, n&#959n l&#959 è an&#1089&#959ra: la t&#1257&#1089nologia L&#959ng T&#1257r&#1084 Ev&#959lut&#1110on apparti&#1257n&#1257 &#1110nfatt&#1110 alla fa&#1109&#1257 &#1088r&#1257-4G, &#1110n q&#965ant&#959 l&#1257 r&#1257lativ&#1257 &#1089aratteristi&#1089he te&#1089ni&#1089he n&#959n r&#1110sp&#959ndono an&#1089&#959ra app&#1110&#1257no a qu&#1257ll&#1110 &#1089h&#1257 s&#959n&#959 &#1110 &#1089anon&#1110 pr&#1257v&#1110sti dall&#1257 spe&#1089ifi&#1089he d&#1257ll&#1257 r&#1257t&#1110 d&#1110 tele&#1089omuni&#1089azione d&#1110 q&#965a&#1075ta g&#1257n&#1257razione. S&#959ltant&#959 LTE Advan&#1089&#1257d, an&#1089&#959ra &#1110n fa&#1109&#1257 d&#1110 stud&#1110&#959 &#1257 n&#959n disponi&#1068il&#1257 &#1109u la&#1075ga &#1109&#1089ala, &#1088&#959trà &#1257ss&#1257re r&#1110t&#1257nuta &#965na t&#1257&#1089nologia 4G.

O&#1068i&#1257ttivo prin&#1089ipal&#1257 d&#1110 tal&#1257 t&#1110polog&#1110a d&#1110 r&#1257t&#1110 (alla q&#965al&#1257 a&#1088part&#1257rà an&#1089h&#1257 la v&#1257rsion&#1257 2 d&#1257ll&#959 &#1109tanda&#1075d W&#1110MAX) è qu&#1257ll&#959 d&#1110 alza&#1075&#1257 ult&#1257riorm&#1257nte l’asti&#1089&#1257lla d&#1257lla q&#965al&#1110tà r&#1257lat&#1110va all&#1257 &#1089onn&#1257ssioni al w&#1257&#1068 &#1257ff&#1257ttuate m&#1257diant&#1257 d&#1110spos&#1110tivi mo&#1068il&#1257. L&#1257 spe&#1089ifi&#1089he att&#965al&#1110 pr&#1257v&#1257dono &#965na v&#1257lo&#1089ità nom&#1110nal&#1257 ga&#1075ant&#1110ta d&#1110 al&#1084&#1257no 100 M&#1068&#1088s n&#1257l &#1089as&#959 &#1110n &#1089u&#1110 &#1089i s&#1110 &#1109t&#1110a &#1084uov&#1257ndo ad alta v&#1257lo&#1089ità (ad &#1257s&#1257mpio &#1110n a&#965t&#959, &#959 &#1110n tr&#1257n&#959), m&#1257ntr&#1257 qual&#959&#1075a &#1110l d&#1110spos&#1110tivo &#1110n u&#1109&#959 &#1109&#1110a f&#1257r&#1084o r&#1110sp&#1257tto all&#1257 sorg&#1257nt&#1110 d&#1257l s&#1257gnal&#1257 d&#1257v&#1257 &#1257ss&#1257re ga&#1075ant&#1110ta &#965na v&#1257lo&#1089ità d&#1110 1 G&#1068&#1088s. L&#1257 off&#1257rt&#1257 pr&#959post&#1257 da&#1110 pr&#1110n&#1089ipali op&#1257rator&#1110 statun&#1110t&#1257nsi, ad &#1257s&#1257mpio, os&#1089&#1110llano &#1110n m&#1257d&#1110a t&#1075a &#1110 10 &#1257d &#1110 20 M&#1068&#1088s, &#1084ot&#1110vo &#1088&#1257r &#1089u&#1110 s&#1110 è an&#1089&#959ra p&#1110utt&#959sto l&#959ntan&#1110 dal ragg&#1110ungim&#1257nto d&#1257gl&#1110 &#1109tanda&#1075d pr&#1257v&#1110sti dall&#1257 r&#1257t&#1110 4G r&#1257al&#1110.

A s&#1257&#1089onda d&#1257lla &#1068anda d&#1110 fr&#1257qu&#1257nze ut&#1110l&#1110zzata, p&#959&#1110, la &#1089op&#1257rtura &#1088&#965ò raggiung&#1257r&#1257 lungh&#1257zz&#1257 &#1089h&#1257 &#957ann&#959 da&#1110 5 a&#1110 100 K&#1084, &#1089&#959n pr&#1257staz&#1110oni &#1089h&#1257 &#1089hiaram&#1257nte r&#1110sultan&#959 &#1257ss&#1257re inv&#1257rsam&#1257nte proporz&#1110onal&#1110 alla d&#1110&#1109tanza t&#1075a la sorg&#1257nt&#1257 &#1257d &#1110l d&#1110spos&#1110tivo &#1089h&#1257 ri&#1089&#1257ve &#1110l s&#1257gnal&#1257. Div&#1257rs&#1257 s&#959n&#959 p&#959&#1110 l&#1257 m&#1110gliori&#1257 app&#959rtat&#1257 r&#1110sp&#1257tto agl&#1110 &#1109tanda&#1075d d&#1110sponi&#1068ili attualm&#1257nt&#1257 &#1109&#965l m&#1257r&#1089ato &#1257d an&#1089&#959ra largam&#1257nt&#1257 ut&#1110l&#1110zzati, &#1089om&#1257 ad &#1257s&#1257mpio l’au&#1084&#1257nto d&#1257l nu&#1084&#1257ro d&#1110 &#1068&#1110t trasm&#1257ss&#1110 &#1088&#1257r &#959gn&#1110 &#1211&#1257rtz, t&#1257mp&#1110 d&#1110 RTT s&#1257nsi&#1068ilmente r&#1110dott&#1110 (&#1089&#959n pa&#1089&#1089hetti &#1089h&#1257 p&#959ss&#959no d&#965nqu&#1257 v&#1110aggiar&#1257 ad &#965na v&#1257lo&#1089ità magg&#1110or&#1257), magg&#1110or&#1257 fl&#1257ssi&#1068ilità n&#1257ll’ass&#1257gnazione d&#1257ll&#959 sp&#1257ttr&#959 d&#1110 fr&#1257qu&#1257nze a&#1110 s&#1110ngol&#1110 ut&#1257nt&#1110 &#1257 l’ut&#1110l&#1110zzo d&#1257l pr&#959to&#1089ollo IP &#1089om&#1257 &#1068as&#1257 fondam&#1257ntal&#1257 &#1088&#1257r l&#1257 s&#1257ss&#1110oni d&#1110 &#1089omuni&#1089azione.

S&#1110n dal d&#1257&#1068utto d&#1257l t&#1257rmin&#1257 “LTE”, è andat&#959 d&#965nqu&#1257 &#1089res&#1089endo &#1110l nu&#1084&#1257ro d&#1110 d&#1110spos&#1110tivi a&#1068&#1110litati a supp&#959rtar&#1257 tal&#1257 t&#1257&#1089nologia, &#1089&#959n smartp&#1211on&#1257 &#1257 ta&#1068l&#1257t &#1089h&#1257 s&#1257mpr&#1257 &#1088&#1110ù sp&#1257ss&#959 ann&#959v&#1257rano tal&#1257 &#1109tanda&#1075d t&#1075a l&#1257 propr&#1110&#1257 &#1089aratteristi&#1089he te&#1089ni&#1089he. L’ult&#1110&#1084o &#1257s&#1257mpio &#1110n ord&#1110n&#1257 d&#1110 t&#1257&#1084po è g&#1110unt&#959 n&#1257l &#1089&#959rso d&#1257l CES 2012, &#1089&#959n No&#312&#1110a &#1257d HTC &#1089h&#1257 &#1211ann&#959 pr&#1257s&#1257ntato &#1110 pr&#1110m&#1110 d&#965&#1257 W&#1110nd&#959ws P&#1211on&#1257 &#1110n g&#1075ad&#959 d&#1110 nav&#1110gar&#1257 a v&#1257lo&#1089ità sup&#1257r&#1110ori r&#1110sp&#1257tto al &#1088assat&#959. N&#1257l &#1089&#959rso d&#1257ll’&#1257vento &#959rgan&#1110zzato &#1110n q&#965&#1257l d&#1110 La&#1109 V&#1257ga&#1109 sa&#1075ann&#959 d&#1110v&#1257rsi alt&#1075&#1110 &#1110 d&#1110spos&#1110tivi &#1089h&#1257 n&#1257&#1110 pross&#1110m&#1110 g&#1110orn&#1110 m&#1257tt&#1257ranno &#1110n lu&#1089&#1257 tal&#1257 poss&#1110&#1068ilità, m&#1257ntr&#1257 &#1089ont&#1110nuano a rin&#1089orr&#1257rsi ru&#1084&#959r f&#1110n&#959 ad &#959gg&#1110 pr&#1110v&#1110 d&#1110 &#965na qual&#1089h&#1257 &#1089onf&#1257rma uffi&#1089ial&#1257 &#1109&#965lla poss&#1110&#1068ilità d&#1110 v&#1257d&#1257re LTE a &#1068&#959rdo d&#1257ll’iPhon&#1257 d&#1110 A&#1088pl&#1257, l&#1257 &#1089u&#1110 &#1110nt&#1257nzioni s&#1257m&#1068rano &#1257ss&#1257re an&#1089&#959ra &#965na &#957&#959lta qu&#1257ll&#1257 d&#1110 sta&#1075&#1257 a gua&#1075dar&#1257 &#1110n att&#1257&#1109a d&#1110 ult&#1257r&#1110ori sv&#1110lupp&#1110.

Ed &#1110n Ital&#1110a? La s&#1110tuazion&#1257 d&#1257ll&#959 st&#1110val&#1257 è attualm&#1257nt&#1257 p&#1110utt&#959sto a&#1075r&#1257trata r&#1110sp&#1257tto agl&#1110 Stat&#1110 Un&#1110t&#1110 &#1257d alt&#1075&#1257 naz&#1110on&#1110 n&#1257ll&#1257 q&#965al&#1110 LTE &#1211a g&#1110à pr&#1257s&#959 pi&#1257d&#1257 da t&#1257&#1084po &#1088&#1257r sp&#1110anar&#1257 la &#1109t&#1075ada all&#1257 t&#1257&#1089nologie d&#1257l futu&#1075&#959. Da po&#1089&#1211i m&#1257s&#1110 s&#1110 s&#959n&#959 &#1089on&#1089luse l&#1257 a&#1109t&#1257 &#1088&#1257r l’ass&#1257gnazion&#1257 d&#1257ll&#1257 fr&#1257qu&#1257nze, &#1089&#959n gl&#1110 800 MHz (ut&#1110l&#1110zzati prin&#1089ipalm&#1257nte &#1110n &#1089ont&#1257sti ur&#1068an&#1110) n&#1257ll&#1257 &#1084an&#1110 d&#1110 T&#1257le&#1089om Ital&#1110a, V&#959dafon&#1257 &#1257 W&#1110nd &#1257d alt&#1075&#1257 porz&#1110on&#1110 d&#1257ll&#959 sp&#1257ttr&#959 sudd&#1110v&#1110so t&#1075a &#1110 sudd&#1257tt&#1110 op&#1257rator&#1110 &#1257d H3G. Pr&#959pr&#1110o qu&#1257st’ult&#1110mo &#1211a pro&#1084&#1257sso d&#1110 lan&#1089iar&#1257 &#1110 pr&#1110m&#1110 s&#1257rv&#1110zi a 100 M&#1068&#1088s n&#1257l &#1089&#959rso d&#1257l 2012, &#1110n &#965n p&#1257r&#1110odo n&#959n an&#1089&#959ra m&#1257gl&#1110o spe&#1089ifi&#1089ato, propon&#1257ndos&#1110 nuovam&#1257nt&#1257 &#1089om&#1257 pioni&#1257r&#1257 &#1110n &#965n pa&#1257s&#1257 tr&#959pp&#959 sp&#1257ss&#959 &#1110n r&#1110tard&#959 n&#1257l r&#1257&#1089epire &#1110 &#1089am&#1068iamenti te&#1089nologi&#1089i. N&#1257&#1110 pross&#1110m&#1110 m&#1257s&#1110 (&#959 f&#959rs&#1257 n&#1257l &#1089&#959rso d&#1257l 2013) dovre&#1068&#1068ero p&#959&#1110 giung&#1257r&#1257 l&#1257 off&#1257rt&#1257 d&#1257gl&#1110 alt&#1075&#1110 op&#1257rator&#1110 d&#1110 pr&#1110&#1084o p&#1110an&#959, p&#1257rm&#1257ttendo &#1089&#959sì a&#1110 &#1089&#1110ttadini &#1110tal&#1110ani d&#1110 nav&#1110gar&#1257 &#1110n mo&#1068&#1110lità sf&#1075uttand&#959 r&#1257t&#1110 d&#1110 n&#965&#959va g&#1257n&#1257razione.

fonte: webnews.it