Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
V\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a LTE \u0111\u00e3 t\u1ea1o ra b\u01b0\u1edbc ti\u1ebfn l\u1edbn trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 m\u1ea1ng kh\u00f4ng d\u00e2y. D\u00f9 Long Term Evolution ch\u01b0a ph\u1ea3i l\u00e0 chu\u1ea9n c\u00f4ng ngh\u1ec7 4G nh\u01b0ng nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1nh gi\u00e1 cao c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. V\u1eady LTE l\u00e0 g\u00ec? S\u1ef1 kh\u00e1c nhau v\u1edbi m\u1ea1ng 4G l\u00e0 g\u00ec? C\u00f9ng t\u00ecm hi\u1ec3u nh\u1eefng th\u00f4ng tin chi ti\u1ebft trong n\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n
M\u1ea1ng LTE l\u00e0 g\u00ec? C\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan<\/p>\n\n\n\n
LTE l\u00e0 g\u00ec?<\/p>\n\n\n\n
LTE l\u00e0 t\u00ean vi\u1ebft t\u1eaft c\u1ee7a Long Term Evolution, c\u00f3 ngh\u0129a l\u00e0 ti\u1ebfn h\u00f3a d\u00e0i h\u1ea1n. N\u00f3 ch\u00ednh l\u00e0 s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c chu\u1ea9n GMS\/UMTS. C\u00f3 th\u1ec3 n\u00f3i, \u0111\u00e2y l\u00e0 h\u01b0\u1edbng ph\u00e1t tri\u1ec3n m\u1ea1ng d\u00e0i h\u1ea1n \u0111\u1ec3 \u0111\u1ea1t t\u1edbi t\u1ed1c \u0111\u1ed9 4G. M\u1ea1ng LTE c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, l\u00ean \u0111\u1ebfn tr\u00ean 100 Mbpd v\u00e0 g\u1eedi d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 tr\u00ean 50Mbps t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng m\u1ea1ng, c\u1ea5u tr\u00fac MIMO v\u00e0 b\u0103ng th\u00f4ng truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m m\u1ea1ng LTE l\u00e0 m\u1ea1ng g\u00ec c\u00f2n \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 chu\u1ea9n c\u1eadn v\u1edbi c\u00f4ng ngh\u1ec7 m\u1ea1ng 4G, khi thi\u1ebft b\u1ecb \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n k\u1ebft n\u1ed1i v\u1edbi LTE th\u00ec s\u1ebd c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng 4G \u1edf g\u00f3c ph\u1ea3i c\u1ee7a m\u00ecnh h\u00ecnh. M\u1ea1ng Long Term Evolution g\u00e2y \u1ea5n t\u01b0\u1ee3ng v\u1edbi ng\u01b0\u1eddi d\u00f9ng nh\u1edd dung l\u01b0\u1ee3ng v\u00e0 t\u1ed1c \u0111\u1ed9 m\u1ea1ng cao, m\u1ea1nh.<\/p>\n\n\n\n
M\u1ea1ng 4G l\u00e0 g\u00ec?<\/p>\n\n\n\n
4G l\u00e0 t\u00ean vi\u1ebft t\u1eaft c\u1ee7a Fourth-Generation, l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n thi\u1ebft l\u1eadp cho vi\u1ec7c k\u1ebft n\u1ed1i 4G \u0111\u01b0\u1ee3c T\u1ed5 ch\u1ee9c k\u1ebft n\u1ed1i m\u1ea1ng th\u1ebf gi\u1edbi ITU-R . G trong 4G l\u00e0 Generation v\u00e0 4G bi\u1ec3u th\u1ecb c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 th\u1ebf h\u1ec7 th\u1ee9 4 c\u1ee7a c\u00f4ng ngh\u1ec7 b\u0103ng th\u00f4ng di \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc ph\u00e1t tri\u1ec3n ti\u1ebfp theo t\u1eeb c\u00f4ng ngh\u1ec7 \u0111i tr\u01b0\u1edbc \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 3G.<\/p>\n\n\n\n
K\u1ebft n\u1ed1i 4 G \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, 100Mb\/s khi di chuy\u1ec3n v\u00e0 1Gb\/s khi \u0111\u1ee9ng y\u00ean. N\u1ebfu nh\u01b0 t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ea1t t\u1edbi m\u1ee9c ti\u00eau chu\u1ea9n \u0111\u00f3 th\u00ec s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 4G LTE.<\/p>\n\n\n\n
4G LTE l\u00e0 g\u00ec?<\/p>\n\n\n\n
Tr\u00ean ph\u1ea7n c\u1ee9ng c\u1ee7a c\u00e1c chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, b\u1ea1n d\u1ec5 d\u00e0ng th\u1ea5y r\u1eb1ng ch\u00fang \u0111\u1ec1u ghi \u201ch\u1ed7 tr\u1ee3 m\u1ea1ng 3G\u201d ho\u1eb7c \u201c4G LTE\u201d ch\u1ee9 \u00edt khi xu\u1ea5t hi\u1ec7n \u201c4G\u201d ri\u00eang bi\u1ec7t. \u0110\u1ec3 hi\u1ec3u chi ti\u1ebft h\u01a1n v\u1ec1 kh\u00e1i ni\u1ec7m 4GLTE th\u00ec b\u1ea1n c\u0169ng c\u1ea7n hi\u1ec3u r\u1eb1ng khi k\u1ebft n\u1ed1i c\u00f3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1eeb 1 hay 1.5Gb\/gi\u00e2y m\u1edbi \u0111\u01b0\u1ee3c coi l\u00e0m m\u1ea1ng 4G. Do \u0111\u00f3, ch\u01b0a c\u00f3 m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng n\u00e0o hay smartphone n\u00e0o \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i nh\u01b0 v\u1eady. Khi ph\u00eda sau 4G c\u00f3 th\u00eam LTE c\u00f3 ngh\u0129a l\u00e0 \u0111\u00e2y ch\u01b0a ph\u1ea3i l\u00e0 chu\u1ea9n c\u00f4ng ngh\u1ec7 4G v\u00e0 n\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t chu\u1ea9n ti\u1ec7m c\u1eadn c\u1ee7a c\u00f4ng ngh\u1ec7 m\u1ea1ng th\u1ee9 4.<\/p>\n\n\n\n
L\u1ecbch s\u1eed c\u1ee7a m\u1ea1ng LTE<\/p>\n\n\n\n
Khi 4G gia nh\u1eadp v\u00e0o th\u1ecb tr\u01b0\u1eddng \u0111\u00e3 c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u0111\u01b0a ra \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 4G ph\u00f9 h\u1ee3p. Do \u0111\u00f3, c\u00e1c c\u00f4ng ty kh\u00f4ng ch\u1ec9 t\u1ea1o ra m\u1ed9t d\u1ecbch v\u1ee5 3G nhanh h\u01a1n m\u00e0 c\u0169ng \u0111ang c\u1ed1 g\u1eafng chuy\u1ec3n n\u00f3 th\u00e0nh 4G. B\u1edfi v\u1eady, Li\u00ean minh vi\u1ec5n th\u00f4ng qu\u1ed1c t\u1ebf ITU-R \u0111\u00e3 \u0111\u1eb7t ra m\u1ed9t s\u1ed1 quy t\u1eafc v\u1ec1 t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i 4G. T\u1ed1c \u0111\u1ed9 t\u1ea3i ph\u1ea3i l\u00e0 100Mb\/s khi di chuy\u1ec3n v\u00e0 1Gb\/s khi \u0111\u1ee9ng y\u00ean th\u00ec m\u1edbi \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ed1c \u0111\u1ed9 4G.<\/p>\n\n\n\n
Tuy nhi\u00ean, \u0111\u1ea1i \u0111a s\u1ed1 c\u00e1c c\u00f4ng ty vi\u1ec5n th\u00f4ng kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u m\u00e0 ITU-R \u0111\u1eb7t ra. Thay v\u00e0o \u0111\u00f3, c\u00f4ng ngh\u1ec7 4G ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 Long-Term Evolution \u0111\u1ec3 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng c\u00f4ng ngh\u1ec7 n\u00e0y \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n. LTE nhanh h\u01a1n 3G nh\u01b0ng kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 t\u1ed1i thi\u1ec3u nh\u01b0 4G.<\/p>\n\n\n\n
C\u00e1ch ph\u00e2n bi\u1ec7t m\u1ea1ng LTE vs 4G<\/p>\n\n\n\n
C\u00f3 kh\u00f4ng \u00edt ng\u01b0\u1eddi d\u00f9ng cho r\u1eb1ng LTE ch\u00ednh l\u00e0 m\u1ea1ng 4G, nh\u1ea5t l\u00e0 khi bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a LTE v\u00e0 4G gi\u1ed1ng nhau n\u00ean c\u00f3 kh\u00e1 nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ed3ng t\u00ecnh v\u1edbi \u00fd ki\u1ebfn n\u00e0y. Nh\u01b0ng th\u1ef1c th\u1ebf th\u00ec LTE v\u00e0 4G kh\u00e1c nhau ho\u00e0n to\u00e0n, ch\u00ednh x\u00e1c nh\u1ea5t th\u00ec 4G v\u00e0 LTE l\u00e0 2 kh\u00e1i ni\u1ec7m kh\u00e1c nhau. \u0110\u1ec3 b\u1ea1n d\u1ec5 d\u00e0ng nh\u1eadn bi\u1ebft, ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t ch\u00fang. C\u1ee5 th\u1ec3:<\/p>\n\n\n\n
LTE ch\u1ec9 l\u00e0 m\u1ed9t chu\u1ea9n c\u00f4ng ngh\u1ec7 k\u1ebf c\u1eadn c\u1ee7a m\u1ea1ng 4G. N\u1ebfu so v\u1ec1 t\u1ed1c \u0111\u1ed9 truy c\u1eadp th\u00ec LTE s\u1ebd cao g\u1ea5p nhi\u1ec1u l\u1ea7n 3G. Nh\u01b0ng khi so s\u00e1nh v\u1edbi 4G th\u00ec LTE l\u1ea1i th\u1ea5p h\u01a1n. N\u00f3i m\u1ed9t c\u00e1ch chu\u1ea9n x\u00e1c nh\u1ea5t th\u00ec LTE \u0111\u1ee9ng gi\u1eefa m\u1ea1ng 4G v\u00e0 3G.<\/p>\n\n\n\n
M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c v\u1ec1 m\u1ea1ng LTE, 4G LTE<\/p>\n\n\n\n
Nh\u00e0 m\u1ea1ng n\u00e0o c\u00f3 d\u1ecbch v\u1ee5 LTE ?<\/p>\n\n\n\n
Nh\u01b0 b\u1ea1n \u0111\u00e3 bi\u1ebft, LTE ch\u01b0a mang \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 chu\u1ea9n c\u1ee7a m\u1ea1ng 4G nh\u01b0ng m\u1ea1ng 4G l\u1ea1i cho th\u1ea5y nh\u1eefng h\u1ea1n ch\u1ebf khi \u0111\u00f2i h\u1ecfi v\u1ec1 h\u1ec7 th\u1ed1ng h\u1ea1 t\u1ea7ng cao. Nh\u01b0ng v\u1eabn c\u00f3 kh\u00e1 nhi\u1ec1u \u00fd ki\u1ebfn cho r\u1eb1ng LTE ch\u00ednh l\u00e0 m\u1ed9t chu\u1ea9n c\u00f4ng ngh\u1ec7 \u0111em t\u1edbi tr\u1ea3i nghi\u1ec7m t\u1ed1t nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng. T\u1ea1i Vi\u1ec7t Nam, c\u00f3 c\u00e1c nh\u00e0 m\u1ea1ng vi\u1ec5n th\u00f4ng tri\u1ec3n khai LTE \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n
Vinaphone: H\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng t\u1eeb 4G l\u00ean \u0111\u1ebfn Cat 11<\/p>\n\n\n\n
Viettel: h\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng 4G l\u00e0 LTE Cat 6<\/p>\n\n\n\n
Mobiphone<\/p>\n\n\n\n
C\u00e1c nh\u00e0 m\u1ea1ng Vi\u1ec7t Nam ch\u1ec9 ch\u1ea1y th\u1eed nghi\u1ec7m \u1edf 2 m\u1ee9c b\u0103ng th\u00f4ng l\u00e0 1800mhz v\u00e0 2600mhz.<\/p>\n\n\n\n
C\u00e1c lo\u1ea1i b\u0103ng t\u1ea7n LTE CAT th\u01b0\u1eddng s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/p>\n\n\n\n
LTE Category (LTE CAT 3):T\u00f4\u0301c \u0111\u00f4\u0323 ta\u0309i (Download) la\u0300 100 Mbps (100 Megabits\/gi\u00e2y). T\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i th\u01b0\u0323c t\u00ea\u0301 la\u0300 12.5 MB\/s t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u01a1\u0301i vi\u1ec7c ta\u0309i xu\u00f4\u0301ng 1 b\u00e0i h\u00e1t c\u00f3 dung l\u01b0\u01a1\u0323ng 1 GB trong kho\u1ea3ng th\u01a1\u0300i gian 82 gi\u00e2y. T\u00f4\u0301c \u0111\u00f4\u0323 ta\u0309i l\u00ean (Upload) l\u00e0 50 Mbps (50 Megabits\/gi\u00e2y), t\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i th\u01b0\u0323c t\u00ea\u0301 6.25 MB\/s t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u01a1\u0301i vi\u1ec7c ta\u0309i m\u00f4\u0323t b\u00e0i h\u00e1t c\u00f3 dung l\u01b0\u01a1\u0323ng 1 GB l\u00ean ma\u0323ng v\u01a1\u0301i th\u01a1\u0300i gian 163.84 gi\u00e2y.<\/p>\n\n\n\n
LTE Category 4 (LTE CAT 4): T\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i xu\u1ed1ng (Download) l\u00e0 150 Mbps (150 Megabits\/gi\u00e2y) v\u00e0 t\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i th\u1ef1c t\u1ebf la\u0300 18.75 MB\/s t\u01b0\u0301c la\u0300 ba\u0323n co\u0301 th\u00ea\u0309 ta\u0309i 1 file c\u00f3 dung l\u01b0\u01a1\u0323ng 1 GB v\u01a1\u0301i th\u01a1\u0300i gian 54.6 gi\u00e2y. T\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean (Upload) l\u00e0 50 Mbps (50 Megabits\/gi\u00e2y), th\u00ec t\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i la\u0300 6.25 MB\/s t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u01a1\u0301i upload 1 file c\u00f3 dung l\u01b0\u1ee3ng 1 GB l\u00ean ma\u0323ng trong th\u01a1\u0300i gian 163.84 gi\u00e2y.<\/p>\n\n\n\n
LTE Category 5 (LTE CAT 5): T\u1ed1c \u0111\u1ed9 t\u1ea3i xu\u1ed1ng (Download) l\u00e0 300 Mbps (300 Megabits\/gi\u00e2y) v\u00e0 t\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i la\u0300 37.5 MB\/s t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c ta\u0309i 1 File dung l\u01b0\u01a1\u0323ng 1 GB trong th\u01a1\u0300i gian 27 gi\u00e2y. T\u00f4\u0301c \u0111\u00f4\u0323 ta\u0309i l\u00ean (Upload) s\u1ebd la\u0300 75 Mbps (75 Megabits\/gi\u00e2y) v\u00e0 t\u00f4\u0301c \u0111\u00f4\u0323 th\u01b0\u0323c t\u00ea\u0301 la\u0300 9.375 MB\/s gi\u1ed1ng nh\u01b0 vi\u1ec7c b\u1ea1n ta\u0309i l\u00ean 1 file dung l\u01b0\u1ee3ng 1 GB trong 109 gi\u00e2y.<\/p>\n\n\n\n
LTE Category 6 (LTE CAT 6): T\u1ed1c \u0111\u1ed9 t\u1ea3i xu\u1ed1ng s\u1ebd l\u00e0 300 Mbps.T\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u01a1\u0301i t\u00f4\u0301c \u0111\u00f4\u0323 cu\u0309a LTE CAT 5 v\u00e0 co\u0301 t\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i la\u0300 35.5 MB\/s. T\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean (Upload) l\u00e0 50Mbps gi\u1ed1ng nh\u01b0 Cat 4 la\u0300 6.25 MB \/gi\u00e2y.<\/p>\n\n\n\n
LTE Category 7 (LTE CAT 7): T\u1ed1c \u0111\u1ed9 t\u1ea3i xu\u1ed1ng s\u1ebd l\u00e0 300 Mbps t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u01a1\u0301i t\u00f4\u0301c \u0111\u00f4\u0323 cu\u0309a LTE CAT 5 v\u00e0 co\u0301 t\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i la\u0300 37.5 MB\/s. T\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean (Upload) s\u1ebd l\u00e0 150Mbps; nhanh h\u01a1n CAT 6 v\u01a1\u0301i t\u00f4\u0301c \u0111\u00f4\u0323 truy\u00ea\u0300n ta\u0309i la\u0300 18.75 Megabytes\/gi\u00e2y. Vi\u00ea\u0323c upload b\u1ed9 phim c\u00f3 dung l\u01b0\u01a1\u0323ng 1 GB l\u00ean Youtube v\u01a1\u0301i th\u01a1\u0300i gian 55s.<\/p>\n\n\n\n
L\u00e0m sao \u0111\u1ec3 tr\u1ea3i nghi\u1ec7m 4G LTE tr\u00ean \u0111i\u1ec7n tho\u1ea1i?<\/p>\n\n\n\n
\u0110\u1ec3 s\u1eed d\u1ee5ng m\u1ea1ng 4G LTE tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00ec \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng n\u00e0y. \u0110a s\u1ed1 c\u00e1c d\u00f2ng m\u00e1y smartphone cao c\u1ea5p nh\u01b0 LG, Sony, Samsung \u0111\u1ec1u h\u1ed7 tr\u1ee3 LTE 4G. Th\u1eadm ch\u00ed c\u1ea3 nh\u1eefng chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh gi\u00e1 r\u1ebb \u0111\u1ebfn t\u1eeb th\u01b0\u01a1ng hi\u1ec7u OPPO, Xiaomi c\u0169ng c\u00f3 th\u00eam t\u00ednh n\u0103ng n\u00e0y. Do \u0111\u00f3, b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u1ecdc k\u1ef9 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ch\u1ecdn mua. C\u00e1c nh\u00e0 m\u1ea1ng l\u1edbn nh\u01b0 Viettel, Mobifone,\u2026\u0111\u1ec1u tri\u1ec3n khai d\u1ecbch v\u1ee5 4G, b\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u1ec3 y\u00eau c\u1ea7u \u0111\u1ed5i sang sim 4G v\u00e0 \u0111\u0103ng k\u00fd g\u00f3i c\u01b0\u1edbc s\u1eed d\u1ee5ng.<\/p>\n\n\n\n
Hi\u1ec7n nay, c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd th\u1ecb tr\u01b0\u1eddng \u0111\u00e3 cho ph\u00e9p c\u00e1c \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh s\u1eed d\u1ee5ng 4G LTE \u0111\u1ec3 qu\u1ea3ng b\u00e1 t\u1edbi ng\u01b0\u1eddi d\u00f9ng gi\u1ed1ng nh\u01b0 m\u1ed9t m\u1ea1ng 4G th\u1ef1c th\u1ee5. Nh\u01b0ng d\u00f9 sao \u0111i n\u1eefa, m\u1ea1ng 4G LTE v\u1eabn \u0111em t\u1edbi kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u \u01b0u vi\u1ec7t h\u01a1n so v\u1edbi m\u1ea1ng GPRS.<\/p>\n\n\n\n
V\u1edbi n\u1ed9i dung th\u00f4ng tin trong b\u00e0i vi\u1ebft \u201cLTE l\u00e0 g\u00ec? C\u00e1ch ph\u00e2n bi\u1ec7t m\u1ea1ng LTE vs 4G\u201d, hy v\u1ecdng s\u1ebd gi\u00fap b\u1ea1n c\u00f3 th\u00eam nhi\u1ec1u ki\u1ebfn th\u1ee9c h\u1eefu \u00edch. Truy c\u1eadp ngay website Vietlearn.org \u0111\u1ec3 t\u00ecm hi\u1ec3u, ch\u1eafc ch\u1eafn s\u1ebd gi\u00fap \u00edch cho b\u1ea1n r\u1ea5t nhi\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn V\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a LTE \u0111\u00e3 t\u1ea1o ra b\u01b0\u1edbc ti\u1ebfn l\u1edbn trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 m\u1ea1ng kh\u00f4ng d\u00e2y. D\u00f9 Long Term Evolution ch\u01b0a ph\u1ea3i l\u00e0 chu\u1ea9n c\u00f4ng ngh\u1ec7 4G nh\u01b0ng nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1nh gi\u00e1 cao c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. V\u1eady LTE l\u00e0 g\u00ec? S\u1ef1 kh\u00e1c nhau v\u1edbi […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1],"tags":[],"class_list":["post-3898","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3898"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3898\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}